/* ==========================================================================
   Base Styles
   ========================================================================== */
:root {
    --bg-page: #f3f7fb;
    --bg-soft: #eef5fb;
    --bg-card: rgba(255, 255, 255, 0.82);
    --bg-card-strong: rgba(255, 255, 255, 0.94);
    --surface-line: rgba(106, 146, 173, 0.16);
    --surface-line-strong: rgba(45, 106, 120, 0.24);
    --text-strong: #13283d;
    --text-body: #4c6173;
    --text-muted: #6d8395;
    --brand: #1f6b78;
    --brand-rgb: 31, 107, 120;
    --brand-strong: #164d63;
    --brand-soft: #d8edf0;
    --accent: #7bb8c9;
    --accent-warm: #e3a86b;
    --shadow-soft: 0 18px 50px rgba(17, 40, 63, 0.08);
    --shadow-lift: 0 26px 65px rgba(17, 40, 63, 0.12);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --layout-max: 1360px;
    --layout-pad: 0px;
    --navbar-height: 72px;
    --ticker-height: 28px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-body);
    background:
        radial-gradient(circle at top left, rgba(142, 197, 252, 0.18), transparent 34%),
        radial-gradient(circle at top right, rgba(123, 184, 201, 0.16), transparent 28%),
        linear-gradient(180deg, #f8fbfe 0%, var(--bg-page) 45%, #eef3f8 100%);
}

a {
    color: var(--brand);
}

img {
    display: block;
}

/* Container */
.section-container {
    max-width: var(--layout-max);
    margin: 0 auto;
    padding: 0 var(--layout-pad);
}

/* ==========================================================================
   Layout & Structure
   ========================================================================== */
section {
    position: relative;
    padding: 5.5rem 0;
    overflow: hidden;
    scroll-margin-top: calc(var(--navbar-height) + var(--ticker-height) + 16px);
}

.section-header {
    text-align: center;
    margin-bottom: 3.25rem;
    position: relative;
    z-index: 1;
}

.section-icon-container {
    display: inline-block;
    padding: 1rem;
    background-color: rgba(216, 237, 240, 0.72);
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.section-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    border-radius: 9999px;
    animation: pulse 2s infinite;
}

.section-title {
    font-family: 'Sora', 'Manrope', sans-serif;
    font-size: clamp(2.25rem, 5vw, 3.6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text-strong);
    margin-bottom: 1rem;
    line-height: 1.05;
}

.section-divider {
    width: 7.5rem;
    height: 0.35rem;
    background: linear-gradient(90deg, transparent 0%, var(--brand) 22%, var(--accent) 78%, transparent 100%);
    margin: 0 auto;
    border-radius: 9999px;
    position: relative;
}

.section-divider::after {
    content: '';
    position: absolute;
    inset: -8px 16px;
    border-radius: 999px;
    background: rgba(123, 184, 201, 0.18);
    z-index: -1;
}

/* ==========================================================================
   Navigation & Header
   ========================================================================== */

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(247, 251, 254, 0.86);
    backdrop-filter: blur(16px);
    margin-top: 0;
    border-top: none;
    border-bottom: 1px solid rgba(105, 136, 160, 0.12);
    box-shadow: 0 10px 34px rgba(17, 40, 63, 0.08);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(247, 251, 254, 0.94);
    box-shadow: 0 14px 42px rgba(17, 40, 63, 0.12);
}

.ticker-bar {
    position: sticky;
    top: var(--navbar-height);
    z-index: 45;
    overflow: hidden;
    border-bottom: 1px solid rgba(19, 40, 61, 0.08);
    background: rgba(31, 107, 120, 0.08);
}

.ticker-track {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: max-content;
    min-width: max-content;
    min-height: var(--ticker-height);
    padding: 0.1rem 0;
    will-change: transform;
    animation: ticker-slide 24s linear infinite;
}

.ticker-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 0 0 auto;
}

.ticker-item,
.ticker-separator {
    flex: 0 0 auto;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--brand-strong);
    white-space: nowrap;
}

.ticker-separator {
    opacity: 0.45;
}

.navbar-container {
    max-width: var(--layout-max);
    margin: 0 auto;
    padding: 0.5rem var(--layout-pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--navbar-height);
    gap: 1.25rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 0 0 auto;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.logo-container:hover {
    transform: scale(1.02);
}

.logo {
    height: 2.75rem;
    width: 2.75rem;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(17, 40, 63, 0.16);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.1);
}

.logo-text {
    color: var(--text-strong);
    font-weight: 800;
    font-size: 1rem;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.2;
}

.navbar a {
    text-decoration: none;
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
}

.nav-actions {
    display: none;
}

.nav-link {
    color: var(--text-strong);
    background: none;
    border: none;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    padding: 0.5rem 0.55rem;
    border-radius: 999px;
    transition: all 0.3s;
    position: relative;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    inset: auto 18% 8px 18%;
    height: 2px;
    width: auto;
    transform: scaleX(0);
    transform-origin: center;
    background: linear-gradient(90deg, transparent, var(--brand), transparent);
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--brand-strong);
    background: rgba(123, 184, 201, 0.12);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

/* Mobile Menu */
.mobile-menu-button {
    display: block;
}

#menuToggle {
    color: var(--text-strong);
    background: none;
    border: none;
    padding: 0.5rem;
    margin-right: -0.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

#menuToggle:hover {
    transform: scale(1.1);
}

#menuIcon {
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

#menuToggle:hover #menuIcon {
    color: var(--brand);
}

.mobile-menu {
    display: none;
    background-color: #1e2837;
    border-top: 1px solid #4b5563;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-items {
    padding: 0.75rem 1.5rem;
}

.mobile-nav-link {
    color: #fff;
    background: none;
    border: none;
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.85rem 0;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.mobile-nav-link:focus,
.mobile-nav-link:active,
.mobile-nav-link:visited {
    color: #fff;
    outline: none;
}

.mobile-nav-link:focus-visible {
    color: #fff;
    outline: 2px solid rgba(123, 184, 201, 0.35);
    outline-offset: 4px;
    border-radius: 10px;
}

@media (hover: hover) and (pointer: fine) {
    .mobile-nav-link:hover {
        color: var(--brand);
        padding-left: 0.5rem;
    }
}

/* Desktop registration link */
.nav-actions .registration-link {
    background-color: var(--brand) !important;
    color: white !important;
    padding: 10px 18px !important;
    border-radius: 6px !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    display: inline-block !important;
}

.nav-actions .registration-link:hover {
    background-color: var(--brand-strong) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(var(--brand-rgb), 0.3) !important;
    color: white !important;
}

.nav-actions .registration-link::after {
    display: none !important;
}

/* Mobile registration link */
.mobile-nav-link.registration-link {
    background: linear-gradient(135deg, var(--brand), var(--brand-strong)) !important;
    color: white !important;
    padding: 12px 16px !important;
    border-radius: 6px !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    margin: 8px 0 !important;
    display: block !important;
    text-align: center !important;
}

.mobile-nav-link.registration-link:hover {
    background: linear-gradient(135deg, var(--brand-strong), #0f3a4b) !important;
    color: white !important;
    transform: translateX(5px) !important;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('./assets/malang.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    isolation: isolate;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 18, 33, 0.84) 0%, rgba(10, 24, 40, 0.74) 38%, rgba(15, 45, 58, 0.42) 100%),
        radial-gradient(circle at 18% 18%, rgba(123, 184, 201, 0.22), transparent 24%),
        radial-gradient(circle at 80% 24%, rgba(216, 237, 240, 0.16), transparent 22%);
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 70vh;
    top: 14%;
    right: 16%;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(123, 184, 201, 0.22), rgba(123, 184, 201, 0.02));
    z-index: 0;
    filter: blur(4px);
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 34vw;
    min-width: 260px;
    max-width: 480px;
    height: 1px;
    left: 6%;
    bottom: 14%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.55), transparent);
    opacity: 0.5;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
    color: #fff;
    padding: 4.6rem var(--layout-pad) 3.2rem;
    max-width: var(--layout-max);
    margin: 0 auto;
    width: 100%;
}

.hero-main {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    color: rgba(231, 243, 249, 0.9);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-kicker::before {
    content: '';
    width: 46px;
    height: 1px;
    background: rgba(255, 255, 255, 0.62);
}

.hero-title {
    font-family: 'Sora', 'Manrope', sans-serif;
    font-size: clamp(2.9rem, 5.8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.01;
    letter-spacing: -0.045em;
    max-width: 13ch;
    text-shadow: 0 8px 28px rgba(0, 0, 0, 0.26);
}

.hero-summary {
    max-width: 760px;
    margin-left: 0;
    margin-right: 0;
    color: rgba(232, 242, 247, 0.84);
    font-size: 1.04rem;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.25rem;
    text-align: left;
    width: 100%;
    max-width: 100%;
}

.hero-meta-item {
    padding: 0.8rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-meta-label {
    display: block;
    margin-bottom: 0.3rem;
    color: rgba(195, 219, 230, 0.8);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-meta-item strong {
    font-size: 1rem;
    line-height: 1.35;
    color: #ffffff;
}

.hero-scope {
    max-width: 860px;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 1.55rem;
    padding-top: 0.95rem;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: rgba(218, 235, 242, 0.76);
    font-size: 0.95rem;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.hero-primary-link,
.hero-secondary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.9rem 1.4rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.hero-primary-link {
    background: #ffffff;
    color: #13283d;
}

.hero-primary-link:hover {
    background: #e9f4f7;
}

.hero-secondary-link {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-secondary-link:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.34);
}

/* ==========================================================================
   Destination Section
   ========================================================================== */
.destination-section {
    padding: 2rem 0 5rem;
    background:
        linear-gradient(140deg, rgba(12, 35, 52, 0.98) 0%, rgba(17, 59, 74, 0.95) 46%, rgba(231, 168, 107, 0.78) 100%),
        url('./assets/malang.jpg') center/cover no-repeat;
    overflow: hidden;
}

.destination-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top left, rgba(123, 184, 201, 0.24), transparent 28%),
        linear-gradient(115deg, rgba(7, 20, 33, 0.18), transparent 42%);
    pointer-events: none;
}

.destination-gallery {
    position: relative;
    z-index: 1;
}

.destination-layout {
    display: block;
}

.destination-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
    align-items: stretch;
}

.destination-story {
    position: relative;
    min-height: 390px;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 20px 44px rgba(5, 18, 29, 0.18);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    isolation: isolate;
}

.destination-story::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.48;
    z-index: 0;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    transform: scale(1.02);
}

.destination-story::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(13, 22, 33, 0.12) 0%, rgba(13, 22, 33, 0.28) 48%, rgba(13, 22, 33, 0.5) 100%);
}

.destination-story:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 54px rgba(5, 18, 29, 0.24);
}

.destination-story-copy {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: 1.7rem 1.45rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.destination-story h3 {
    max-width: 9ch;
    font-family: 'Sora', 'Manrope', sans-serif;
    font-size: clamp(1.7rem, 2vw, 2.3rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
    color: #ffffff;
}

.destination-story-link {
    display: inline-flex;
    align-self: flex-start;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255, 255, 255, 0.75);
    padding-bottom: 0.15rem;
}

.destination-caption {
    position: relative;
    z-index: 1;
    margin-top: 1.3rem;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(236, 244, 247, 0.78);
}

.destination-story-sand {
    background: linear-gradient(180deg, rgba(60, 104, 160, 0.5), rgba(227, 145, 83, 0.42));
}

.destination-story-sand::before {
    background-image: url('./assets/bromo.jpeg');
    background-position: center center;
}

.destination-story-urban {
    background: linear-gradient(180deg, rgba(245, 232, 209, 0.9), rgba(228, 209, 188, 0.68));
}

.destination-story-urban::before {
    background-image: url('./assets/waterfall.jpeg');
    background-position: center center;
}

.destination-story-urban::after {
    background: linear-gradient(180deg, rgba(245, 234, 219, 0.1) 0%, rgba(48, 34, 23, 0.18) 58%, rgba(48, 34, 23, 0.36) 100%);
}

.destination-story-hills {
    background: linear-gradient(180deg, rgba(146, 202, 228, 0.62), rgba(77, 124, 91, 0.42));
}

.destination-story-hills::before {
    background-image: url('./assets/sawah.jpg');
    background-position: right center;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(237, 245, 251, 0.92));
}

.about-section::before,
.organizers-section::before,
.submission-section::before,
.speakers-section::before,
.invited-speakers-section::before {
    content: '';
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123, 184, 201, 0.16), transparent 68%);
    pointer-events: none;
}

.about-section::before {
    top: -90px;
    right: -120px;
}

.about-content {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(246, 250, 253, 0.86));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--surface-line);
    padding: 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 1024px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.about-content::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(123, 184, 201, 0.14), transparent 70%);
}

.about-content:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
}

.about-text {
    color: var(--text-body);
    line-height: 1.95;
    font-size: 1.06rem;
    position: relative;
    z-index: 1;
}

.about-text p {
    margin-bottom: 1.5rem;
    text-align: justify;
    text-justify: inter-word;
}

.first-paragraph::first-letter {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--brand);
    float: left;
    margin-right: 0.75rem;
    margin-top: 0.5rem;
    line-height: 0.8;
}

.co-located-conference {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}
  
.conference-link {
    color: var(--brand);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s;
    position: relative;
}
  
.conference-link:hover {
    color: var(--brand-strong);
    text-decoration: underline;
}
  
.conference-link:hover::after {
    content: "Click to visit HIS 2026 website";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #1e2837;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 100;
    margin-bottom: 0.5rem;
}
  
.conference-link:hover::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0.25rem;
    border-style: solid;
    border-color: #1e2837 transparent transparent transparent;
    z-index: 100;
}

/* ==========================================================================
   Speakers Sections
   ========================================================================== */
.speakers-section, .invited-speakers-section {
    background: linear-gradient(180deg, rgba(236, 244, 250, 0.78), rgba(248, 251, 254, 0.95));
}

.invited-speakers-section {
    padding: 80px 0;
    background-color: transparent;
}

/* Grid layout for speaker lists */
/* Horizontal layout for speaker lists */
.speakers-list, .invited-list {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    gap: 1.5rem;
    margin: 0 auto;
    max-width: 1200px;
    ooverflow-x: hidden; / /* Untuk bisa scroll jika terlalu banyak speaker */
    padding-bottom: 0px; /* Ruang untuk scrollbar */
}

.speaker-card-link {
    flex: 1;
    min-width: 280px; /* Lebar minimum card */
    max-width: 320px; /* Lebar maksimum card */
    text-decoration: none !important;
}

.speaker-card-link:hover {
    transform: translateY(-5px);
}

.speaker-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(245, 250, 253, 0.9));
    border-radius: 24px;
    border: 1px solid var(--surface-line);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: all 0.3s;
    height: 100%;
}

.speaker-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lift);
}

.speaker-card-link:hover .speaker-card {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.speaker-card-link .speaker-card {
    position: relative;
    cursor: pointer;
}

.speaker-card-link .speaker-card::after {
    content: '→';
    position: absolute;
    right: 15px;
    top: 15px;
    color: #f97316;
    font-size: 1.2rem;
    opacity: 0;
    transition: all 0.3s;
}

.speaker-card-link:hover .speaker-card::after {
    opacity: 1;
    right: 10px;
}

.speaker-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
    padding: 1.25rem;
}

.speaker-content.simplified {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.speaker-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.speaker-image-container {
    position: relative;
    width: 12rem;
    height: 12rem;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    transition: transform 0.3s;
}

.speaker-image-container:hover {
    transform: scale(1.03);
}

.speaker-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-info {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
}

.speaker-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
    line-height: 1.2;
    text-decoration: none !important;
}

.speaker-title {
    font-size: 1rem;
    color: var(--brand);
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.speaker-title.invited {
    display: inline-block;
    background-color: var(--brand);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.speaker-position {
    color: #4b5563;
    font-size: 0.95rem;
    margin: 0 0 0.25rem 0;
}

.speaker-affiliation {
    color: #6b7280;
    font-style: italic;
    font-size: 0.9rem;
    margin: 0;
}

.speaker-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.speaker-bio, .speaker-presentation {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-header {
    font-size: 1.1rem;
    font-weight: 600;
    color: #111827;
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1rem;
}

.detail-header::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.1rem;
    background-color: var(--brand);
    border-radius: 2px;
}

.detail-content {
    color: #4b5563;
    line-height: 1.5;
    text-align: justify;
    font-size: 0.95rem;
    margin: 0;
}

.presentation-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--brand);
    margin-bottom: 0.5rem;
    margin-top: 0;
}

/* Keynote Speech Page Styles */
.keynote-page {
    background: linear-gradient(to bottom, #fff, #f9fafb);
    padding: 4rem 0;
}

.keynote-header {
    text-align: center;
    margin-bottom: 3rem;
}

.keynote-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1rem;
}

.keynote-divider {
    width: 6rem;
    height: 0.25rem;
    background-color: var(--brand);
    margin: 0 auto;
    border-radius: 9999px;
}

.keynote-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.speaker-detail {
    background-color: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 3rem;
}

.speaker-detail:last-child {
    margin-bottom: 0;
}

.speaker-detail-header {
    background: linear-gradient(135deg, var(--brand), var(--brand-strong));
    padding: 1.5rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.keynote-header {
    background: transparent;
}

.invited-header {
    background: transparent;
}

.speaker-type-badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.keynote-badge {
    background-color: rgba(255, 255, 255, 0.2);
}

.invited-badge {
    background-color: rgba(255, 255, 255, 0.15);
}

.speaker-detail-profile {
    display: grid;
    grid-template-columns: 1fr 2fr;
    padding: 2rem;
    gap: 2rem;
    border-bottom: 1px solid #eee;
}

.speaker-detail-image {
    width: 250px;
    height: 250px;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.speaker-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-detail-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.speaker-detail-name {
    font-size: 2rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.speaker-detail-position {
    color: #4b5563;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.speaker-detail-affiliation {
    color: #6b7280;
    font-style: italic;
    font-size: 1.1rem;
}

.speaker-detail-content {
    padding: 2rem;
}

.content-section {
    margin-bottom: 2rem;
}

.content-section:last-child {
    margin-bottom: 0;
}

.content-title {
    color: var(--brand);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--brand);
    display: inline-block;
}

.content-text {
    line-height: 1.8;
    color: #4b5563;
    text-align: justify;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #f3f4f6;
    color: #4b5563;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    margin-bottom: 2rem;
}

.back-button:hover {
    background-color: #e5e7eb;
    transform: translateX(-5px);
}

.back-button::before {
    content: '←';
}

/* ==========================================================================
   Speaker Modal Styles
   ========================================================================== */
.speaker-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 1000;
    overflow-y: auto;
    padding: 0;
}

.speaker-modal-content {
    background-color: #fff;
    margin: 60px auto;
    max-width: 900px;
    width: 90%;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: modalFadeIn 0.3s ease-out;
    overflow: hidden;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.speaker-modal-header {
    padding: 20px 25px;
    background: linear-gradient(135deg, var(--brand), var(--brand-strong));
    color: white;
    border-bottom: 1px solid rgba(var(--brand-rgb), 0.22);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.speaker-modal-title {
    margin: 0;
    color: white;
    font-size: 1.6rem;
    font-weight: 600;
}

.speaker-modal-close {
    font-size: 32px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    transition: opacity 0.2s;
    line-height: 0.8;
    opacity: 0.9;
}

.speaker-modal-close:hover {
    opacity: 1;
}

.speaker-modal-body {
    padding: 0;
    max-height: 75vh;
    overflow-y: auto;
}

.speaker-modal-profile {
    display: flex;
    padding: 25px 30px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
    gap: 25px;
}

.speaker-modal-image {
    width: 140px;
    height: 140px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.speaker-modal-image img,
.speaker-modal-image .speaker-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-modal-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.speaker-modal-name {
    color: #111827;
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 10px 0;
}

.speaker-modal-position {
    color: #4b5563;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 5px 0;
}

.speaker-modal-affiliation {
    color: #6b7280;
    font-size: 1rem;
    font-style: italic;
    margin: 0;
}

.speaker-modal-bio-content {
    padding: 30px;
    line-height: 1.8;
    color: #4b5563;
}

.speaker-modal-bio-content p {
    margin-bottom: 20px;
    text-align: justify;
    font-size: 1.05rem;
}

.speaker-modal-bio-content p:last-child {
    margin-bottom: 0;
}

.bio-view-btn {
    background-color: var(--brand);
    border: none;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    text-align: center;
    align-self: flex-start;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    margin-top: 0.75rem;
    border-radius: 4px;
}

.bio-view-btn:hover {
    background-color: var(--brand-strong);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.bio-view-btn::after {
    content: '→';
    font-size: 0.9rem;
    margin-left: 0.5rem;
    transition: transform 0.2s;
}

.bio-view-btn:hover::after {
    transform: translateX(3px);
}

/* Prevent body scrolling when modal is open */
body.modal-open {
    overflow: hidden;
}

/* ==========================================================================
   Committee Section
   ========================================================================== */
.committee-section {
    background: linear-gradient(to bottom, #fff, #fff7ed, #fff);
}

.committee-content {
    max-width: 100%;
}

.committee-categories {
    display: grid;
    gap: 1.75rem;
}

.committee-category {
    background-color: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s;
}

.committee-category:hover {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.category-header {
    background-color: #f97316;
    padding: 0.75rem 1.25rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.category-content {
    padding: 1.25rem;
}

.members-grid {
    display: grid;
    gap: 0.6rem;
}

.committee-member {
    padding: 0.4rem 0.75rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    margin-bottom: 0.4rem;
}

.committee-member:last-child {
    margin-bottom: 0;
}

.committee-member:hover {
    background-color: #fff7ed;
    transform: translateX(5px);
}

.member-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #111827;
    margin: 0;
    line-height: 1.3;
}

.member-affiliation {
    margin-top: 0.15rem;
    color: #4b5563;
    font-size: 0.9rem;
    font-style: italic;
    line-height: 1.3;
}

/* Technical Program Committee Members */
.publicity-chair,
.technical-committee {
    margin-bottom: 1.5rem;
}

.publicity-chair h2,
.technical-committee h2 {
    background-color: #f97316;
    color: white;
    padding: 0.75rem 1.25rem;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 0.5rem 0.5rem 0 0;
}

.chair-container,
.committee-container {
    background-color: #fff;
    border-radius: 0 0 0.5rem 0.5rem;
    padding: 1.25rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.committee-member-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.committee-member-card {
    padding: 0.5rem;
}

.committee-member-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
    color: #111827;
    line-height: 1.3;
}

.committee-member-affiliation {
    font-style: italic;
    color: #4b5563;
    font-size: 0.9rem;
    margin-top: 0.15rem;
    line-height: 1.3;
}

/* ==========================================================================
   Important Dates Section
   ========================================================================== */
.dates-section {
    background: linear-gradient(to bottom, #fff, #fff7ed, #fff);
}

.dates-container {
    max-width: 768px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    position: relative;
}

.timeline-container {
    position: relative;
    padding: 1.25rem 0;
}

.timeline-line {
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #e5e7eb;
}

.timeline-items {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.timeline-item {
    position: relative;
    padding-left: 3.5rem;
    display: flex;
    flex-direction: column;
}

.timeline-dot {
    position: absolute;
    left: 1.75rem;
    top: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 9999px;
    background-color: #3b82f6;
    transform: translateX(-50%);
    z-index: 10;
    border: 2px solid #fff;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.timeline-dot.deadline {
    background-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
}

.timeline-dot.highlight {
    background-color: #f97316;
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.2);
}

.timeline-content {
    flex: 1;
}

.timeline-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
}

.timeline-item.highlight .timeline-label {
    color: #ea580c;
}

.timeline-date {
    margin-top: 0.35rem;
    font-size: 1.1rem;
    color: #4b5563;
}

.timeline-item.deadline .timeline-date {
    color: #dc2626;
    font-weight: 500;
}

.timeline-item.highlight .timeline-date {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    background-color: #ffedd5;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    color: #ea580c;
    font-weight: 600;
}

.timeline-item.highlight .timeline-date::after {
    content: '🎯';
}

/* ==========================================================================
   Call For Papers Section
   ========================================================================== */
.papers-section {
    position: relative;
    background:
        radial-gradient(circle at top left, rgba(123, 184, 201, 0.16), transparent 24%),
        radial-gradient(circle at 85% 18%, rgba(227, 168, 107, 0.12), transparent 18%),
        linear-gradient(180deg, #fbfdff 0%, #eef5fa 100%);
    padding: 4rem 0;
}

.papers-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(31, 107, 120, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31, 107, 120, 0.035) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 88%);
    pointer-events: none;
}

.papers-section::after {
    content: '';
    position: absolute;
    width: 380px;
    height: 380px;
    right: -120px;
    bottom: -180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123, 184, 201, 0.16), transparent 66%);
    pointer-events: none;
}

.papers-container {
    position: relative;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(244, 250, 253, 0.72));
    border-radius: 34px;
    box-shadow: 0 24px 56px rgba(17, 40, 63, 0.07);
    border: 1px solid rgba(31, 107, 120, 0.1);
    padding: 2rem 0 0;
    max-width: 1024px;
    margin: 0 auto;
    line-height: 1.7;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.papers-container::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--brand), var(--accent), rgba(227, 168, 107, 0.7));
    opacity: 0.9;
}

.papers-intro {
    margin-bottom: 2rem;
    padding: 0 2rem 2rem;
    color: #4b5563;
    font-size: 1.05rem;
    text-align: justify;
    border-bottom: 1px solid rgba(19, 40, 61, 0.08);
}

.papers-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
    color: var(--brand);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.papers-kicker::before {
    content: '';
    width: 42px;
    height: 1px;
    background: rgba(31, 107, 120, 0.48);
}

.papers-content p,
.papers-content li,
.papers-policy p,
.papers-dates p {
    text-align: justify !important;
    text-justify: inter-word !important;
}

.papers-intro strong {
    color: #111827;
}

.paper-topics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
}

.paper-category {
    margin: 0;
}

.paper-category .category-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #f97316;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.paper-category .category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #f97316;
}

.topics-list {
    list-style: none;
    padding-left: 0.5rem;
    margin-top: 1rem;
}

.topics-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #4b5563;
    font-size: 1rem;
}

.topics-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #f97316;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ==========================================================================
   Paper Submission Section
   ========================================================================== */
/* ==========================================================================
   Paper Submission Section - RESPONSIVE & TIDAK AKAN BENTROK
   ========================================================================== */
.submission-section {
    padding: 60px 0;
    background: linear-gradient(180deg, rgba(248, 251, 254, 0.92), rgba(235, 244, 249, 0.96));
}

.submission-container {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 251, 253, 0.88));
    border-radius: 32px;
    border: 1px solid var(--surface-line);
    box-shadow: var(--shadow-soft);
    padding: 34px;
    overflow-x: hidden; /* Mencegah horizontal scroll */
    word-wrap: break-word; /* Memecah kata panjang seperti URL */
    position: relative;
    backdrop-filter: blur(10px);
}

.submission-container::before {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    right: -80px;
    top: -80px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123, 184, 201, 0.17), transparent 68%);
}

.submission-intro {
    margin-bottom: 25px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.submission-intro p {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

/* Gunakan selector yang lebih spesifik untuk menghindari bentrok */
.submission-section .submission-portal,
.submission-section .submission-format,
.submission-section .camera-ready-section,
.submission-section .template-section,
.submission-section .contact-section,
.submission-section .important-dates-section {
    margin-bottom: 20px;
    padding: 1.15rem 0 1.15rem;
    border: 1px solid rgba(45, 106, 120, 0.12);
    border-width: 0 0 1px 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
}

.submission-section .submission-portal:last-child,
.submission-section .submission-format:last-child,
.submission-section .camera-ready-section:last-child,
.submission-section .template-section:last-child,
.submission-section .contact-section:last-child,
.submission-section .important-dates-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.submission-section .subsection-title {
    color: var(--text-strong);
    font-family: 'Sora', 'Manrope', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
    display: block;
}

.submission-section .subsection-title::before {
    display: none;
}

.submission-section .submission-instructions ul,
.submission-section .format-details ul,
.submission-section .template-links ul,
.submission-section .camera-ready-details ul,
.submission-section .contact-details ul,
.submission-section .dates-summary ul {
    padding-left: 1.15rem;
    margin-bottom: 1rem;
    list-style-type: disc;
}

.submission-section .submission-instructions li,
.submission-section .format-details li,
.submission-section .template-links li,
.submission-section .camera-ready-details li,
.submission-section .contact-details li,
.submission-section .dates-summary li {
    margin-bottom: 0.7rem;
    position: relative;
    line-height: 1.6;
}

.submission-section .submission-instructions a,
.submission-section .format-details a,
.submission-section .template-links a,
.submission-section .camera-ready-details a,
.submission-section .contact-details a,
.submission-section .dates-summary a {
    color: var(--brand);
    text-decoration: none;
    transition: all 0.3s ease;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.submission-section .submission-instructions a:hover,
.submission-section .format-details a:hover,
.submission-section .template-links a:hover,
.submission-section .camera-ready-details a:hover,
.submission-section .contact-details a:hover,
.submission-section .dates-summary a:hover {
    color: var(--brand-strong);
    text-decoration: underline;
}

.submission-section .portal-details {
    background: transparent;
    padding: 0;
    border-radius: 0;
    border-left: 0;
    margin-bottom: 20px;
    word-wrap: break-word;
}

.submission-section .important-note {
    background: linear-gradient(135deg, rgba(227, 168, 107, 0.18), rgba(255, 255, 255, 0.8));
    padding: 12px 15px;
    border-radius: 18px;
    border-left: 4px solid var(--accent-warm);
    margin: 15px 0;
    word-wrap: break-word;
}

.submission-section .important-dates-section {
    background: transparent;
    border-radius: 0;
    padding: 1.15rem 0 1.15rem;
    margin-top: 30px;
    word-wrap: break-word;
}

.submission-section .dates-summary {
    margin-top: 10px;
}

.submission-section .view-more-dates {
    margin-top: 15px;
    text-align: right;
}

.submission-section .dates-link {
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background: linear-gradient(135deg, var(--brand), var(--brand-strong));
    color: white !important;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.submission-section .dates-link:hover {
    background: linear-gradient(135deg, var(--brand-strong), #0f3a4b);
    text-decoration: none !important;
}

.submission-section .dates-link i {
    font-size: 0.8rem;
}

/* Formatting to improve MD conversion */
.submission-section .submission-instructions strong,
.submission-section .format-details strong,
.submission-section .template-links strong,
.submission-section .camera-ready-details strong,
.submission-section .portal-details strong {
    color: var(--text-strong);
}

.submission-section .submission-instructions em,
.submission-section .format-details em,
.submission-section .template-links em,
.submission-section .camera-ready-details em,
.submission-section .portal-details em {
    font-style: italic;
    color: var(--text-muted);
}

.submission-section .submission-instructions p,
.submission-section .format-details p,
.submission-section .template-links p,
.submission-section .camera-ready-details p,
.submission-section .contact-details p,
.submission-section .portal-details p {
    margin-bottom: 0.9rem;
    line-height: 1.7;
    word-wrap: break-word;
}

.submission-section .portal-details .cmt-disclaimer {
    margin-top: 1rem;
    margin-bottom: 0;
    padding: 1rem 1.1rem;
    border-radius: 16px;
    background: rgba(45, 106, 120, 0.08);
    border: 1px solid rgba(45, 106, 120, 0.14);
    color: var(--text-muted);
}

/* Numbered lists */
.submission-section .submission-instructions ol,
.submission-section .format-details ol,
.submission-section .template-links ol,
.submission-section .camera-ready-details ol {
    padding-left: 20px;
    margin-bottom: 15px;
    list-style-type: decimal;
    word-wrap: break-word;
}

/* Responsive styles for mobile devices */
@media (max-width: 768px) {
    .submission-section {
        padding: 30px 0;
    }
    
    .submission-container {
        padding: 20px 15px;
        margin: 0 10px;
        width: calc(100% - 20px);
        max-width: calc(100% - 20px);
    }
    
    .submission-intro p {
        font-size: 1rem;
    }
    
    .submission-section .subsection-title {
        font-size: 1.2rem;
    }
    
    .submission-section .submission-portal,
    .submission-section .submission-format,
    .submission-section .camera-ready-section,
    .submission-section .template-section,
    .submission-section .contact-section,
    .submission-section .important-dates-section {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .submission-section .submission-instructions ul,
    .submission-section .format-details ul,
    .submission-section .template-links ul,
    .submission-section .camera-ready-details ul,
    .submission-section .contact-details ul,
    .submission-section .dates-summary ul {
        padding-left: 15px;
        margin-bottom: 10px;
    }
    
    .submission-section .submission-instructions li,
    .submission-section .format-details li,
    .submission-section .template-links li,
    .submission-section .camera-ready-details li,
    .submission-section .contact-details li,
    .submission-section .dates-summary li {
        margin-bottom: 8px;
        line-height: 1.4;
    }
    
    .submission-section .portal-details {
        padding: 12px;
        margin-bottom: 15px;
    }
    
    .submission-section .important-note {
        padding: 10px 12px;
        margin: 10px 0;
    }
    
    .submission-section .important-dates-section {
        padding: 15px;
        margin-top: 20px;
    }
    
    .submission-section .view-more-dates {
        text-align: center; /* Pindahkan ke tengah di mobile */
    }
    
    .submission-section .dates-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

/* Additional responsive styles for smaller mobile devices */
@media (max-width: 480px) {
    .submission-section {
        padding: 20px 0;
    }
    
    .submission-container {
        padding: 15px 10px;
        margin: 0 5px;
        width: calc(100% - 10px);
        max-width: calc(100% - 10px);
    }
    
    .submission-intro p {
        font-size: 0.95rem;
    }
    
    .submission-section .subsection-title {
        font-size: 1.1rem;
    }
    
    .submission-section .submission-portal,
    .submission-section .submission-format,
    .submission-section .camera-ready-section,
    .submission-section .template-section,
    .submission-section .contact-section,
    .submission-section .important-dates-section {
        margin-bottom: 15px;
        padding-bottom: 10px;
    }
    
    .submission-section .submission-instructions ul,
    .submission-section .format-details ul,
    .submission-section .template-links ul,
    .submission-section .camera-ready-details ul,
    .submission-section .contact-details ul,
    .submission-section .dates-summary ul {
        padding-left: 12px;
        margin-bottom: 8px;
    }
    
    .submission-section .submission-instructions li,
    .submission-section .format-details li,
    .submission-section .template-links li,
    .submission-section .camera-ready-details li,
    .submission-section .contact-details li,
    .submission-section .dates-summary li {
        margin-bottom: 6px;
        line-height: 1.3;
    }
    
    .submission-section .portal-details {
        padding: 10px;
        margin-bottom: 10px;
    }
    
    .submission-section .important-note {
        padding: 8px 10px;
        margin: 8px 0;
    }
    
    .submission-section .important-dates-section {
        padding: 12px;
        margin-top: 15px;
    }
    
    .submission-section .dates-link {
        padding: 5px 10px;
        font-size: 0.85rem;
    }
}

/* ==========================================================================
   Organizers Section
   ========================================================================== */
.organizers-section {
    background: linear-gradient(180deg, rgba(240, 246, 251, 0.85), rgba(248, 251, 254, 0.98));
    padding: 4rem 0;
}

.organizers-section::before {
    bottom: -120px;
    left: -110px;
}

.organizers-container {
    margin-bottom: 3rem;
    text-align: center;
}

.organizers-container:last-child {
    margin-bottom: 0;
}

.organizers-subtitle {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.65rem 1.1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(45, 106, 120, 0.12);
    box-shadow: 0 10px 24px rgba(17, 40, 63, 0.05);
}

.organizers-subtitle:after {
    content: '';
    position: static;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    box-shadow: 0 0 0 6px rgba(123, 184, 201, 0.12);
}

.organizers-logos, .co-organizers-logos, .tech-support-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin-top: 1.5rem;
}

.tech-support-logos .organizer-logo {
    width: 220px;
    height: 120px;
}

.organizer-logo {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 249, 252, 0.86));
    border-radius: 28px;
    padding: 1.5rem;
    width: 250px;
    height: 140px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--surface-line);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.organizer-logo:hover {
    transform: translateY(-6px) rotate(-1deg);
    box-shadow: var(--shadow-lift);
}

.organizer-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.organizer-logo.coming-soon {
    border: 2px dashed #ccc;
    color: #777;
}

.organizer-logo.coming-soon p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background:
        radial-gradient(circle at top right, rgba(123, 184, 201, 0.16), transparent 24%),
        linear-gradient(180deg, #13283d 0%, #0d1b2b 100%);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: var(--layout-max);
    margin: 0 auto;
    padding: 0 var(--layout-pad);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    background-color: #fff;
    border-radius: 50%;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #d8edf0;
}

.footer-description {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-heading {
    color: #d8edf0;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-heading:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li {
    margin-bottom: 0.75rem;
}

.footer-nav a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
    display: inline-block;
    position: relative;
    padding-left: 1rem;
}

.footer-nav a:before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #f97316;
}

.footer-nav a:hover {
    color: #f97316;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: #cbd5e1;
}

.contact-list li i {
    color: #f97316;
    font-size: 1rem;
    margin-right: 0.75rem;
    margin-top: 0.25rem;
}

.contact-list li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}

.contact-list li a:hover {
    color: #f97316;
}

.social-media {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s;
}

.social-media a:hover {
    background-color: #f97316;
    transform: translateY(-3px);
}

.social-media i {
    color: #fff;
    font-size: 1rem;
}

.footer-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 1.5rem 0;
}

.footer-bottom {
    padding-top: 1.5rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    min-height: 400px;
    justify-content: center;
}

.loading-spinner {
    height: 4rem;
    width: 4rem;
    border-radius: 9999px;
    border-top: 4px solid #f97316;
    border-bottom: 4px solid #f97316;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    animation: spin 1s linear infinite;
}

.loading-text {
    color: #4b5563;
    font-size: 1.1rem;
    font-weight: 500;
    animation: pulse 2s infinite;
}

.tba-container {
    background-color: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 3.5rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.tba-box {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.75rem;
}

.tba-title {
    font-size: 2rem;
    font-weight: 700;
    color: #111827;
}

.tba-text {
    font-size: 1.25rem;
    color: #4b5563;
    max-width: 80%;
    margin: 0 auto;
}

.tba-icon {
    width: 4.5rem;
    height: 4.5rem;
    margin-bottom: 0.5rem;
}

.tba-icon i {
    color: #f97316;
    font-size: 4.5rem;
}

.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 3.5rem;
    text-align: center;
}

.error-icon {
    font-size: 3.5rem;
    color: #ef4444;
}

.error-text {
    color: #4b5563;
    font-size: 1.25rem;
    max-width: 80%;
    margin: 0 auto;
}

.placeholder-text {
    text-align: center;
    color: #6b7280;
    font-size: 1.2rem;
    padding: 3.5rem 1.5rem;
}

/* Notification styling */
.notification {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 320px;
    max-width: 90%;
    background-color: #fff;
    color: #333;
    padding: 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: bottom 0.3s ease-in-out;
}

.notification.show {
    bottom: 2.5rem;
}

.notification.info {
    border-left: 5px solid #3b82f6;
}

.notification.success {
    border-left: 5px solid #10b981;
}

.notification.warning {
    border-left: 5px solid #f59e0b;
}

.notification.error {
    border-left: 5px solid #ef4444;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #9ca3af;
    padding: 0 0.5rem;
    transition: color 0.2s;
}

.notification-close:hover {
    color: #6b7280;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes ticker-slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
/* Small screens (640px and up) */
@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle, .hero-date, .hero-location {
        font-size: 1.5rem;
    }
    
    .committee-members {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small screens (640px and down) */
@media (max-width: 640px) {
    .papers-container {
        padding: 1.5rem;
    }
    
    .papers-intro {
        font-size: 0.95rem;
    }
    
    .paper-category .category-title {
        font-size: 1.2rem;
    }
    
    .topics-list li {
        font-size: 0.95rem;
    }
    
    .about-content {
        padding: 1.5rem;
    }
    
    .about-text {
        font-size: 1rem;
        line-height: 1.7;
        text-align: left;
    }
    
    .first-paragraph::first-letter {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle, .hero-date, .hero-location {
        font-size: 1.1rem;
    }
    
    /* Compact speaker cards for mobile */
    .speaker-content {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    
    .speaker-profile {
        margin-bottom: 1rem;
    }
    
    .speaker-image-container {
        width: 10rem;
        height: 10rem;
    }
    
    .detail-header {
        font-size: 1rem;
    }
    
    .detail-content {
        font-size: 0.9rem;
    }
    
    .submission-container {
        padding: 20px;
    }
    
    .subsection-title {
        font-size: 1.2rem;
    }
    
    .important-dates-section {
        padding: 15px;
    }
    
    .view-more-dates {
        text-align: center;
    }
}

/* Medium screens (768px and up) */
@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 0.3rem;
        row-gap: 0;
        flex-wrap: nowrap;
        justify-content: center;
        flex: 1 1 auto;
        min-width: 0;
    }
    
    .mobile-menu-button {
        display: none;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        flex: 0 0 auto;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .speaker-content {
        grid-template-columns: 1fr 2fr;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .committee-members {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timeline-line,
    .timeline-dot {
        display: block;
    }
    
    .timeline-item {
        padding-left: 4rem;
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        padding: 3rem;
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .paper-topics {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

/* Medium screens (768px and down) */
@media (max-width: 768px) {
    .speaker-modal-content {
        margin: 40px auto;
        width: 95%;
    }
    
    .speaker-modal-profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
        gap: 15px;
    }
    
    .speaker-modal-image {
        width: 120px;
        height: 120px;
    }
    
    .speaker-modal-title {
        font-size: 1.4rem;
    }
    
    .speaker-modal-bio-content {
        padding: 20px;
    }
    
    .organizers-logos, .co-organizers-logos, .tech-support-logos {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }
    
    .organizer-logo {
        width: 180px;
        height: 100px;
    }
    .logo-binus {
        width: 250px;
        height: 250px;
    }
    
    .speaker-detail-profile {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .speaker-detail-image {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }
    
    .speaker-detail-header {
        flex-direction: column;
        text-align: center;
    }
    
    .keynote-title {
        font-size: 2rem;
    }
    .speakers-list, .invited-list {
        flex-wrap: wrap;
    }
    
    .speaker-card-link {
        flex-basis: 100%;
        max-width: 300px;
    }
}

/* Styling untuk tombol registrasi */
.registration-link {
    background-color: #f97316 !important;
    color: white !important;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.registration-link:hover {
    background-color: #ea580c !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Large screens (1024px and up) */
@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .members-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-content {
        padding: 3.5rem;
    }
    
    .about-text {
        font-size: 1.1rem;
    }
    
    .footer-top {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* Extra small screens (480px and down) */
@media (max-width: 480px) {
    .speaker-image-container {
        width: 8rem;
        height: 8rem;
    }
    
    .speaker-name {
        font-size: 1.2rem;
    }
    
    .speaker-content {
        padding: 0.75rem;
    }
    
    .speaker-details {
        gap: 1rem;
    }
    
    .speaker-modal-content {
        margin: 20px auto;
    }
    
    .speaker-modal-header {
        padding: 15px 20px;
    }
    
    .speaker-modal-bio-content {
        padding: 15px;
    }
    
    .speaker-modal-name {
        font-size: 1.4rem;
    }
    
    .speaker-modal-position {
        font-size: 1rem;
    }
    
    .speaker-modal-affiliation {
        font-size: 0.9rem;
    }
    
    .speakers-list, .invited-list {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
}

/* Custom styles for links */
.orange-link {
    color: #FF6F00;
    font-weight: bold;
    text-decoration: none;
}

.orange-link:hover {
    text-decoration: underline;
}

.link-label {
    font-weight: bold;
}

.note {
    margin-top: 10px;
    color: #555;
}

/* ==========================================================================
   2026 Visual Refresh Overrides
   ========================================================================== */
.speaker-card-link .speaker-card::after,
.speaker-title,
.presentation-title,
.content-title,
.speaker-card .detail-header::before,
.speaker-detail .content-title {
    color: var(--brand) !important;
}

.speaker-card .detail-header::before {
    background-color: var(--brand) !important;
}

.speaker-title.invited,
.speaker-detail-header,
.speaker-modal-header,
.bio-view-btn {
    background: linear-gradient(135deg, var(--brand), var(--brand-strong)) !important;
}

.bio-view-btn:hover {
    background: var(--brand-strong) !important;
}

.content-title {
    border-bottom-color: var(--brand) !important;
}

section {
    padding: 5rem 0 !important;
}

.section-container {
    max-width: var(--layout-max) !important;
    padding: 0 var(--layout-pad) !important;
}

.section-header {
    margin-bottom: 2.5rem !important;
}

.section-title {
    font-size: clamp(2.1rem, 4vw, 3.2rem) !important;
    letter-spacing: -0.035em !important;
}

.section-divider {
    width: 72px !important;
    height: 3px !important;
    background: var(--brand) !important;
}

.section-divider::after,
.about-section::before,
.organizers-section::before,
.submission-section::before,
.speakers-section::before,
.invited-speakers-section::before,
.about-content::before,
.submission-container::before {
    display: none !important;
}

.about-section,
.speakers-section,
.invited-speakers-section,
.organizers-section,
.submission-section,
.papers-section,
.committee-section,
.dates-section,
.program-section,
.participant-info-section,
.virtual-access-section {
    background: transparent !important;
}

.about-content,
.submission-container,
.papers-container,
.dates-container,
.committee-container,
.participant-info-container,
.tba-container,
.organizer-logo,
.speaker-card {
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
}

.about-content,
.submission-container,
.papers-container,
.dates-container,
.committee-container,
.participant-info-container {
    width: 100%;
    padding: 0 !important;
    max-width: 100%;
}

.about-text,
.papers-intro,
.submission-intro,
.submission-section .submission-instructions,
.submission-section .format-details,
.submission-section .template-links,
.submission-section .camera-ready-details,
.submission-section .contact-details {
    max-width: 100% !important;
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.submission-section .submission-portal,
.submission-section .submission-format,
.submission-section .camera-ready-section,
.submission-section .template-section,
.submission-section .contact-section,
.submission-section .important-dates-section {
    background: transparent !important;
    border: 0 !important;
    border-bottom: 1px solid rgba(19, 40, 61, 0.08) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 0 1.6rem !important;
    margin: 0 0 1.6rem !important;
}

.submission-section .subsection-title {
    display: block !important;
    margin-bottom: 0.9rem !important;
    font-family: 'Sora', 'Manrope', sans-serif !important;
    font-size: 1.25rem !important;
    color: var(--text-strong) !important;
}

.submission-section .subsection-title::before,
.organizers-subtitle:after {
    display: none !important;
}

.organizers-subtitle {
    display: block !important;
    padding: 0 !important;
    margin-bottom: 1.4rem !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    color: var(--text-strong) !important;
    font-size: 1.15rem !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}

.organizers-logos,
.co-organizers-logos,
.tech-support-logos {
    gap: 1.5rem !important;
}

.organizer-logo {
    width: 220px !important;
    height: 110px !important;
    padding: 0.5rem !important;
}

.speaker-card-link:hover,
.speaker-card:hover,
.organizer-logo:hover,
.about-content:hover,
.virtual-access-card:hover,
.conference-details-card:hover {
    transform: none !important;
    box-shadow: none !important;
}

.timeline-dot,
.timeline-dot.highlight,
.timeline-dot.deadline {
    box-shadow: none !important;
}

.paper-category .category-title,
.timeline-item.highlight .timeline-label,
.timeline-item.highlight .timeline-date,
.orange-link,
.conference-link,
.section-icon,
.topics-list li::before,
.contact-list li i,
.tba-icon i {
    color: var(--brand) !important;
}

.paper-category .category-title::after {
    width: 52px !important;
    height: 2px !important;
    background: var(--brand) !important;
}

.timeline-item.highlight .timeline-date {
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
    color: var(--brand-strong) !important;
}

.orange-link:hover,
.conference-link:hover {
    color: var(--brand-strong) !important;
}

.footer-nav a::before,
.footer-nav a:before,
.contact-list li i,
.contact-list i {
    color: var(--brand) !important;
}

.footer-nav a:hover,
.contact-list li a:hover,
.contact-list a:hover {
    color: var(--brand) !important;
}

.social-media a:hover {
    background-color: var(--brand) !important;
}

.dates-section {
    background:
        radial-gradient(circle at top left, rgba(123, 184, 201, 0.18), transparent 28%),
        radial-gradient(circle at bottom right, rgba(31, 107, 120, 0.12), transparent 32%),
        linear-gradient(180deg, #f8fbfe 0%, #edf4f9 52%, #f9fbfd 100%) !important;
}

.dates-container {
    max-width: 980px !important;
    padding: 1.2rem 0 0 !important;
}

.timeline-container {
    position: relative;
    padding: 1rem 0 0.5rem !important;
}

.timeline-line {
    left: 22px !important;
    top: 0.75rem !important;
    bottom: 0.75rem !important;
    width: 3px !important;
    background: linear-gradient(180deg, rgba(123, 184, 201, 0.1), rgba(31, 107, 120, 0.45), rgba(123, 184, 201, 0.12)) !important;
}

.timeline-items {
    gap: 0.9rem !important;
}

.timeline-item {
    padding-left: 4rem !important;
}

.timeline-dot,
.timeline-dot.highlight,
.timeline-dot.deadline {
    left: 22px !important;
    top: 1.2rem !important;
    width: 12px !important;
    height: 12px !important;
    border: 2px solid #f8fbfe !important;
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.82), 0 8px 18px rgba(19, 40, 61, 0.08) !important;
}

.timeline-dot {
    background: linear-gradient(135deg, #77a9ff, #2f6dde) !important;
}

.timeline-dot.deadline {
    background: linear-gradient(135deg, #ff766d, #ef4444) !important;
}

.timeline-dot.highlight {
    background: linear-gradient(135deg, var(--brand), var(--brand-strong)) !important;
}

.timeline-content {
    position: relative;
}

.timeline-card {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(150px, 220px);
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1rem 0.9rem !important;
    border-radius: 18px !important;
    background: rgba(255, 255, 255, 0.78) !important;
    border: 1px solid rgba(31, 107, 120, 0.09) !important;
    box-shadow: 0 12px 28px rgba(17, 40, 63, 0.07) !important;
    backdrop-filter: blur(10px);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.timeline-card::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 5px;
    background: linear-gradient(180deg, var(--accent), var(--brand));
    opacity: 0.95;
}

.timeline-item.deadline .timeline-card::before {
    background: linear-gradient(180deg, #ff8b7a, #ef4444);
}

.timeline-item.highlight .timeline-card::before {
    width: 100%;
    height: 4px;
    inset: 0 0 auto 0;
    background: linear-gradient(90deg, var(--brand), var(--accent));
}

.timeline-item:hover .timeline-card {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(17, 40, 63, 0.1) !important;
    border-color: rgba(31, 107, 120, 0.16) !important;
}

.timeline-card-top {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.55rem;
    margin-bottom: 0.45rem;
    flex-wrap: wrap;
}

.timeline-main {
    min-width: 0;
}

.timeline-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 0.55rem;
    border-radius: 999px;
    background: rgba(31, 107, 120, 0.08);
    color: var(--brand);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.timeline-item.deadline .timeline-index {
    background: rgba(239, 68, 68, 0.1);
    color: #d73b33;
}

.timeline-item.highlight .timeline-index {
    background: rgba(31, 107, 120, 0.12);
    color: var(--brand-strong);
}

.timeline-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.26rem 0.62rem;
    border-radius: 999px;
    background: rgba(123, 184, 201, 0.14);
    color: var(--brand-strong);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.timeline-item.deadline .timeline-tag {
    background: rgba(239, 68, 68, 0.1);
    color: #d73b33;
}

.timeline-item.highlight .timeline-tag {
    background: rgba(31, 107, 120, 0.1);
    color: var(--brand);
}

.timeline-label {
    font-size: clamp(1rem, 1.6vw, 1.18rem) !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em;
    color: var(--text-strong) !important;
    margin-bottom: 0.15rem;
    line-height: 1.35;
}

.timeline-item.highlight .timeline-label {
    color: var(--brand-strong) !important;
}

.timeline-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-top: 0.2rem;
}

.timeline-date-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    min-height: 100%;
    padding: 0.75rem 0.9rem 0.75rem 1.2rem;
    border-radius: 16px;
    background:
        radial-gradient(circle at top right, rgba(123, 184, 201, 0.18), transparent 42%),
        linear-gradient(135deg, rgba(238, 247, 248, 0.92), rgba(216, 237, 240, 0.62));
    border: 1px solid rgba(31, 107, 120, 0.08);
    text-align: right;
}

.timeline-date-panel::before {
    content: '';
    position: absolute;
    inset: 10px auto 10px 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(31, 107, 120, 0.2), transparent);
}

.timeline-date-day {
    font-size: clamp(1.7rem, 2.8vw, 2.4rem);
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--brand-strong);
}

.timeline-date-month {
    margin-top: 0.2rem;
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--brand);
}

.timeline-date-year {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-body);
    margin-top: 0.1rem;
}

.timeline-date-full {
    display: none;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--brand-strong);
    line-height: 1.3;
}

.timeline-item.deadline .timeline-meta {
    color: #cc4d45;
}

.timeline-item.deadline .timeline-date-panel {
    background:
        radial-gradient(circle at top right, rgba(255, 139, 122, 0.18), transparent 44%),
        linear-gradient(135deg, rgba(255, 244, 243, 0.96), rgba(255, 229, 226, 0.72));
    border-color: rgba(239, 68, 68, 0.1);
}

.timeline-item.deadline .timeline-date-day,
.timeline-item.deadline .timeline-date-month {
    color: #d73b33;
}

.timeline-item.deadline .timeline-date-year {
    color: #9f463f;
}

.timeline-item.highlight .timeline-date-panel {
    background:
        radial-gradient(circle at top right, rgba(123, 184, 201, 0.2), transparent 42%),
        linear-gradient(135deg, rgba(229, 243, 246, 0.98), rgba(199, 227, 233, 0.78));
}

.timeline-item.highlight .timeline-date-day,
.timeline-item.highlight .timeline-date-month,
.timeline-item.highlight .timeline-date-full {
    color: var(--brand-strong);
}

@media (max-width: 768px) {
    .timeline-item {
        padding-left: 3rem !important;
    }

    .timeline-line {
        left: 16px !important;
    }

    .timeline-dot,
    .timeline-dot.highlight,
    .timeline-dot.deadline {
        left: 16px !important;
        top: 1.05rem !important;
    }

    .timeline-card {
        grid-template-columns: minmax(0, 1fr) 112px;
        gap: 0.65rem;
        padding: 0.72rem 0.75rem !important;
        border-radius: 15px !important;
    }

    .timeline-card-top {
        gap: 0.38rem;
        margin-bottom: 0.28rem;
    }

    .timeline-index {
        min-width: 28px;
        height: 28px;
        font-size: 0.6rem;
        padding: 0 0.45rem;
    }

    .timeline-tag {
        padding: 0.22rem 0.5rem;
        font-size: 0.58rem;
    }

    .timeline-label {
        font-size: 0.92rem !important;
        margin-bottom: 0.08rem;
        line-height: 1.28;
    }

    .timeline-meta {
        font-size: 0.72rem;
        line-height: 1.3;
        margin-top: 0.08rem;
    }

    .timeline-date-panel {
        align-items: flex-start;
        justify-content: center;
        text-align: left;
        padding: 0.55rem 0.65rem;
        border-radius: 12px;
        min-height: auto;
    }

    .timeline-date-panel::before {
        display: none;
    }

    .timeline-date-day {
        font-size: 1.45rem;
    }

    .timeline-date-month {
        margin-top: 0.08rem;
        font-size: 0.68rem;
        letter-spacing: 0.12em;
    }

    .timeline-date-year {
        font-size: 0.78rem;
        margin-top: 0.02rem;
    }
}

@media (max-width: 520px) {
    .timeline-item {
        padding-left: 2.7rem !important;
    }

    .timeline-line {
        left: 14px !important;
    }

    .timeline-dot,
    .timeline-dot.highlight,
    .timeline-dot.deadline {
        left: 14px !important;
        top: 0.95rem !important;
        width: 10px !important;
        height: 10px !important;
        box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.8), 0 6px 14px rgba(19, 40, 61, 0.08) !important;
    }

    .timeline-items {
        gap: 0.72rem !important;
    }

    .timeline-card {
        grid-template-columns: 1fr 96px;
        gap: 0.55rem;
        padding: 0.65rem 0.68rem !important;
        border-radius: 14px !important;
    }

    .timeline-card::before {
        width: 4px;
    }

    .timeline-label {
        font-size: 0.88rem !important;
    }

    .timeline-meta {
        font-size: 0.68rem;
    }

    .timeline-date-panel {
        padding: 0.48rem 0.55rem;
    }

    .timeline-date-day {
        font-size: 1.2rem;
    }

    .timeline-date-month {
        font-size: 0.6rem;
    }

    .timeline-date-year {
        font-size: 0.72rem;
    }
}

.conference-details-card {
    margin-top: 2rem !important;
    padding-top: 1.6rem !important;
    border-top: 1px solid rgba(19, 40, 61, 0.08) !important;
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.card-header,
.card-content,
.card-footer {
    background: transparent !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.card-header {
    color: var(--text-strong) !important;
    border: 0 !important;
    padding-top: 0 !important;
}

.card-icon {
    background: transparent !important;
    color: var(--brand) !important;
    width: auto !important;
    height: auto !important;
    margin-right: 0.75rem !important;
}

.embedded-conference-link,
.zoom-link,
.submission-section .dates-link,
.banner-button,
.mobile-nav-link.registration-link {
    background: var(--brand) !important;
    border-radius: 999px !important;
    box-shadow: none !important;
}

.embedded-conference-link:hover,
.zoom-link:hover,
.submission-section .dates-link:hover,
.banner-button:hover,
.mobile-nav-link.registration-link:hover {
    background: var(--brand-strong) !important;
}

.tba-container {
    padding: 2rem 0 !important;
    text-align: center;
}

.footer-nav a:before {
    content: '>' !important;
    color: var(--accent) !important;
}

body,
.about-text p,
.papers-intro,
.submission-intro p,
.instruction-text,
.instruction-list li,
.info-card-text,
.notice-content p {
    text-align: justify;
    text-justify: inter-word;
}

.submission-section p,
.submission-section li,
.submission-section .submission-instructions p,
.submission-section .format-details p,
.submission-section .template-links p,
.submission-section .camera-ready-details p,
.submission-section .contact-details p,
.submission-section .portal-details p,
.submission-section .submission-instructions li,
.submission-section .format-details li,
.submission-section .template-links li,
.submission-section .camera-ready-details li,
.submission-section .contact-details li,
.submission-section .dates-summary li {
    text-align: left !important;
    text-justify: auto !important;
}

#menuToggle:hover #menuIcon,
.mobile-nav-link:hover,
.nav-actions .registration-link,
.nav-actions .registration-link:hover,
.timeline-item.highlight .timeline-label,
.timeline-item.highlight .timeline-date,
.paper-category .category-title,
.topics-list li::before,
.orange-link,
.orange-link:hover,
.conference-link,
.conference-link:hover,
.loading-spinner,
.tba-icon i {
    color: var(--brand) !important;
    border-color: var(--brand) !important;
}

.nav-actions .registration-link,
.nav-actions .registration-link:hover,
.embedded-conference-link,
.embedded-conference-link:hover,
.zoom-link,
.zoom-link:hover,
.submission-section .dates-link,
.submission-section .dates-link:hover,
.banner-button,
.banner-button:hover,
.mobile-nav-link.registration-link,
.mobile-nav-link.registration-link:hover {
    background: var(--brand) !important;
    box-shadow: none !important;
}

.nav-actions .registration-link,
.nav-actions .registration-link:hover,
.mobile-nav-link.registration-link,
.mobile-nav-link.registration-link:hover {
    color: #ffffff !important;
}

.nav-actions .registration-link:hover,
.embedded-conference-link:hover,
.zoom-link:hover,
.submission-section .dates-link:hover,
.banner-button:hover,
.mobile-nav-link.registration-link:hover {
    background: var(--brand-strong) !important;
}

.timeline-item.highlight .timeline-date {
    background: rgba(216, 237, 240, 0.45) !important;
}

.timeline-dot.highlight {
    background: var(--brand) !important;
}

.about-content {
    max-width: 100% !important;
}

.about-text {
    column-count: 2;
    column-gap: 3rem;
    column-rule: 1px solid rgba(19, 40, 61, 0.08);
}

.about-text p {
    break-inside: avoid;
    margin-bottom: 1.4rem;
}

.papers-container {
    max-width: 100% !important;
}

.paper-topics {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0 !important;
    margin-top: 2rem;
    padding: 0 2rem 1.5rem;
    border: 0;
    position: relative;
}

.paper-category {
    margin: 0 !important;
    padding: 0 1.6rem 0 2rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    min-height: 0;
    transition: none;
    box-shadow: none;
}

.paper-category:not(:last-child) {
    border-right: 1px solid rgba(19, 40, 61, 0.08);
}

.paper-category:hover {
    transform: none;
    border-color: transparent;
    box-shadow: none;
    background: transparent;
}

.paper-category .category-title {
    font-family: 'Sora', 'Manrope', sans-serif;
    font-size: 1.55rem !important;
    line-height: 1.18;
    margin-bottom: 1.25rem !important;
    padding-bottom: 1.1rem !important;
    color: var(--text-strong) !important;
}

.paper-category .category-title::after {
    width: 64px !important;
    opacity: 0.8;
    background: linear-gradient(90deg, var(--brand), var(--accent)) !important;
}

.topics-list {
    margin-top: 1rem !important;
    padding-left: 0 !important;
}

.topics-list li {
    padding-left: 1.25rem !important;
    margin-bottom: 0.95rem !important;
    line-height: 1.65;
}

.topics-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    box-shadow: 0 0 0 4px rgba(123, 184, 201, 0.14);
}

.papers-policy,
.papers-dates {
    padding: 0 2rem 2rem;
}

.papers-policy-inner,
.papers-dates-inner {
    padding: 1.5rem 1.6rem;
    border-radius: 24px;
    border: 1px solid rgba(19, 40, 61, 0.08);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(238, 247, 250, 0.58));
}

.papers-policy-inner {
    border-left: 4px solid var(--brand);
}

.papers-dates-inner {
    border-left: 4px solid var(--accent-warm);
}

.papers-policy strong,
.papers-dates strong {
    color: var(--text-strong);
}

.submission-section .submission-portal,
.submission-section .submission-format,
.submission-section .camera-ready-section,
.submission-section .template-section,
.submission-section .contact-section,
.submission-section .important-dates-section {
    max-width: 100% !important;
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.papers-container,
.submission-container {
    width: 100% !important;
}

.papers-intro,
.papers-container p,
.papers-container li,
.submission-intro p,
.submission-section p,
.submission-section li,
.submission-section .submission-instructions p,
.submission-section .format-details p,
.submission-section .template-links p,
.submission-section .camera-ready-details p,
.submission-section .contact-details p,
.submission-section .portal-details p,
.submission-section .submission-instructions li,
.submission-section .format-details li,
.submission-section .template-links li,
.submission-section .camera-ready-details li,
.submission-section .contact-details li,
.submission-section .dates-summary li {
    text-align: justify !important;
    text-justify: inter-word !important;
}

.papers-container ul,
.papers-container ol,
.submission-section .submission-instructions ul,
.submission-section .format-details ul,
.submission-section .template-links ul,
.submission-section .camera-ready-details ul,
.submission-section .contact-details ul,
.submission-section .dates-summary ul,
.submission-section .submission-instructions ol,
.submission-section .format-details ol,
.submission-section .template-links ol,
.submission-section .camera-ready-details ol {
    margin-left: 0 !important;
}

.organizers-container {
    padding-top: 1.8rem;
    border-top: 1px solid rgba(19, 40, 61, 0.08);
}

.organizers-container:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.organizers-logos,
.co-organizers-logos,
.tech-support-logos {
    justify-content: center !important;
    gap: 1rem !important;
}

.organizer-logo {
    width: 210px !important;
    height: 116px !important;
    padding: 1rem !important;
    border: 1px solid rgba(19, 40, 61, 0.08) !important;
    border-radius: 18px !important;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(216, 237, 240, 0.12)) !important;
    position: relative;
    overflow: hidden;
}

.organizer-logo::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), transparent 70%);
    opacity: 0.7;
}

.organizer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.committee-section {
    background: transparent !important;
}

.committee-categories {
    gap: 0.9rem !important;
    grid-template-columns: 1fr !important;
    border-top: 0;
    align-items: start !important;
}

.committee-category {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(216, 237, 240, 0.08)) !important;
    border-radius: 20px !important;
    box-shadow: none !important;
    border: 1px solid rgba(19, 40, 61, 0.08);
    padding: 0.85rem 0.9rem 0.8rem;
    align-self: start !important;
    height: fit-content !important;
}

.committee-category:hover {
    transform: none !important;
    box-shadow: none !important;
}

.category-header {
    background: transparent !important;
    padding: 0 0 0.65rem !important;
    border-bottom: 1px solid rgba(19, 40, 61, 0.08);
    margin-bottom: 0.75rem;
}

.category-title {
    color: var(--text-strong) !important;
    font-family: 'Sora', 'Manrope', sans-serif !important;
    font-size: 1.1rem !important;
    line-height: 1.1;
}

.category-content {
    padding: 0 !important;
}

.members-grid {
    display: flex !important;
    flex-wrap: wrap;
    gap: 0.5rem !important;
}

.committee-member {
    padding: 0.55rem 0.7rem !important;
    border-radius: 12px !important;
    border: 1px solid rgba(19, 40, 61, 0.08);
    background: rgba(255, 255, 255, 0.86) !important;
    min-width: min(100%, 220px);
    flex: 1 1 200px;
}

.committee-member:hover {
    background: transparent !important;
    transform: none !important;
}

.member-name,
.committee-member-name {
    font-size: 0.95rem !important;
    line-height: 1.2 !important;
}

.member-affiliation,
.committee-member-affiliation {
    margin-top: 0.2rem !important;
    font-size: 0.82rem !important;
    line-height: 1.28 !important;
}

.publicity-chair h2,
.technical-committee h2 {
    background: transparent !important;
    color: var(--text-strong) !important;
    padding: 0 0 0.75rem !important;
    border-radius: 0 !important;
    border-bottom: 1px solid rgba(19, 40, 61, 0.08);
}

.chair-container,
.committee-container {
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 1rem 0 0 !important;
}

.tba-container {
    max-width: 860px;
}

@media (max-width: 768px) {
    .hero-section {
        min-height: calc(100svh - var(--navbar-height) - var(--ticker-height));
        background-attachment: scroll;
        background-position: center center;
        background-size: cover;
    }

    .hero-overlay {
        background:
            linear-gradient(180deg, rgba(8, 18, 33, 0.72) 0%, rgba(10, 24, 40, 0.58) 42%, rgba(15, 45, 58, 0.38) 100%),
            radial-gradient(circle at 50% 18%, rgba(123, 184, 201, 0.18), transparent 28%);
    }

    .hero-section::before {
        width: 68vw;
        min-width: 0;
        max-width: 320px;
        height: 34vh;
        top: auto;
        bottom: 12%;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        opacity: 0.72;
    }

    .hero-section::after {
        display: none;
    }

    section {
        padding: 4rem 0 !important;
    }

    .section-container {
        padding: 0 20px !important;
    }

    .navbar-container {
        padding: 0.5rem 20px !important;
    }

    .about-content,
    .submission-container,
    .papers-container,
    .dates-container,
    .committee-container,
    .participant-info-container {
        padding: 0 !important;
    }

    .about-text {
        column-count: 1;
        column-gap: 0;
        column-rule: 0;
    }

    .hero-content {
        padding: 3.4rem 1.2rem 2.4rem;
    }

    .hero-title {
        max-width: none;
        font-size: clamp(2.35rem, 9vw, 3.4rem);
    }

    .hero-main {
        text-align: center;
        align-items: center;
    }

    .hero-summary {
        font-size: 1rem;
        line-height: 1.7;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-meta {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }

    .hero-scope {
        font-size: 0.92rem;
        line-height: 1.7;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
    }

    .hero-primary-link,
    .hero-secondary-link {
        width: 100%;
    }

    .destination-section {
        padding: 1.5rem 0 4rem;
    }

    .destination-layout {
        display: block;
    }

    .destination-gallery {
        padding: 0;
    }

    .destination-gallery {
        grid-template-columns: 1fr;
        gap: 0.9rem;
    }

    .destination-story {
        min-height: 220px;
    }

    .destination-story h3 {
        max-width: none;
    }

    .destination-caption {
        margin-top: 1rem;
        font-size: 0.74rem;
    }

    .paper-topics {
        grid-template-columns: 1fr !important;
    }

    .paper-category {
        min-height: auto;
        padding: 1.5rem 0 1.6rem;
        background: transparent;
    }

    .paper-category:not(:last-child) {
        border-right: 0;
        border-bottom: 1px solid rgba(19, 40, 61, 0.08);
    }

    .organizers-logos,
    .co-organizers-logos,
    .tech-support-logos {
        justify-content: center !important;
    }

    .committee-category {
        padding: 0.8rem;
    }

    .organizer-logo {
        width: 180px !important;
        height: 104px !important;
    }
}