:root {
    --paper: #f6f4ef;
    --surface: #ffffff;
    --ink: #1c232b;
    --muted: #5a646e;
    --accent: #0e6b68;
    --accent-dark: #0a4f4d;
    --accent-soft: #d7eeea;
    --gold: #c4a368;
    --band: #7b2d8b;
    --band-dark: #622275;
    --band-light: #f2e8f6;
    --line: #e2e7ea;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    --radius: 18px;
    --container: 1100px;
}

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

body {
    font-family: 'Work Sans', sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, #f6f4ef 0%, #fdfdfc 50%, #f1f6f5 100%);
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(196, 163, 104, 0.18), transparent 45%),
        radial-gradient(circle at 10% 20%, rgba(14, 107, 104, 0.15), transparent 55%);
    z-index: -2;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    color: var(--accent-dark);
}

p {
    color: var(--muted);
}

h1,
h2,
h3,
h4 {
    font-family: 'Crimson Pro', serif;
    color: var(--ink);
}

h1 {
    font-size: clamp(2.3rem, 4vw, 3.2rem);
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    margin-bottom: 0.5rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
}

.container {
    width: min(100% - 32px, var(--container));
    margin: 0 auto;
}

.section {
    padding: 72px 0;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 32px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
}

.accent {
    color: var(--accent);
}

/* .hero {
    padding: 100px 0 70px;
    background: linear-gradient(130deg, rgba(255, 255, 255, 0.95), rgba(216, 235, 233, 0.55));
    border-bottom: 1px solid var(--line);
} */
.hero {
    padding: 100px 0 70px;
    background: url(https://icgsce-ipet.com/2026/assets/img/background_header.png);
    border-bottom: 1px solid var(--line);
    background-repeat: space;
    background-size: cover;
}

.hero-grid {
    display: grid;
    /* grid-template-columns: 1.2fr 0.8fr; */

    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 18px;
    animation: fadeUp 0.8s ease-out both;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.hero-note {
    font-size: 0.95rem;
}

.hero-art {
    justify-self: center;
    padding: 24px;
    background: #fdfbfe;
    border-radius: 24px;
    box-shadow: var(--shadow);
    max-width: 360px;
    animation: floatIn 1s ease-out both;
}

.text-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.rich-text {
    background: var(--surface);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 24px;
}

.topic-card {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    text-align: center;
}

.topic-card img {
    border-radius: 16px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.topic-card h3 {
    text-align: center;
}

.about-section {
    background: #dfe9f3;
    background-image: radial-gradient(rgba(255, 255, 255, 0.65) 1px, transparent 1px);
    background-size: 18px 18px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(160px, 1fr) minmax(0, 2fr) minmax(160px, 1fr);
    gap: 24px;
    align-items: start;
}

.about-logo {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.about-logo img {
    max-width: 180px;
    width: 100%;
    filter: drop-shadow(0 10px 20px rgba(15, 23, 42, 0.12));
}

.about-content {
    background: rgba(255, 255, 255, 0.9);
    padding: 28px;
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.about-lead p {
    color: var(--ink);
    font-weight: 600;
}

.about-text {
    display: grid;
    gap: 14px;
}

.about-paragraph p {
    margin: 0;
}

.deadline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.deadline-card {
    padding: 20px;
    background: var(--surface);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
}

.deadline-date {
    font-weight: 600;
    color: var(--ink);
}

.deadline-note {
    font-weight: 600;
    margin-bottom: 16px;
}

.deadline-board {
    border-radius: 20px;
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.band-title {
    background: var(--band);
    color: #fff;
    text-align: center;
    padding: 14px 20px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    position: relative;
}

.band-title::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
    background-size: 16px 16px;
    opacity: 0.5;
}

.band-title h2 {
    margin: 0;
    font-size: 1.1rem;
    font-family: 'Work Sans', sans-serif;
    font-weight: 700;
    letter-spacing: 0.16em;
    position: relative;
    z-index: 1;
    color: #fff;
}

.band-panel {
    background: var(--surface);
    padding: 28px;
    border-radius: 0 0 20px 20px;
    box-shadow: var(--shadow);
}

.deadline-body {
    padding: 24px 28px;
    display: grid;
    gap: 14px;
}

.deadline-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--line);
}

.deadline-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.deadline-label {
    font-weight: 600;
}

.deadline-label::after {
    content: " :";
}

.deadline-date {
    font-weight: 600;
    color: var(--ink);
}

.publication-panel {
    display: grid;
    gap: 20px;
}

.publication-text p {
    margin-bottom: 12px;
}

.publication-panel h3 {
    font-family: 'Work Sans', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--band-dark);
}

.publication-panel .publication-list li {
    box-shadow: none;
    border: 1px solid var(--line);
}

.fees-panel {
    display: grid;
    gap: 20px;
}

.fees-text p {
    margin: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 999px;
    border: 1px solid var(--accent);
    color: var(--accent-dark);
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    background: white;
}

.btn.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 10px 20px rgba(14, 107, 104, 0.2);
}

.btn.ghost {
    border-color: var(--line);
    color: var(--muted);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.btn.disabled,
.btn[aria-disabled="true"] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.cta-section {
    padding: 80px 0;
}

.cta-box {
    background: linear-gradient(120deg, rgba(14, 107, 104, 0.08), rgba(196, 163, 104, 0.18));
    border-radius: 28px;
    padding: 32px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: center;
    box-shadow: var(--shadow);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}

.cta-note {
    font-size: 0.95rem;
    color: var(--muted);
}

.publication-list {
    list-style: none;
    display: grid;
    gap: 14px;
}

.publication-list li {
    background: var(--surface);
    padding: 18px 20px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.pub-title {
    font-weight: 600;
}

.pub-sub {
    color: var(--muted);
    font-size: 0.95rem;
}

.fees-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: center;
}

.fees-image img {
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.poster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
}

.poster-card {
    background: var(--surface);
    padding: 12px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
}

.poster-card img {
    border-radius: 12px;
    margin-bottom: 10px;
    aspect-ratio: 3 / 4;
    object-fit: contain;
    image-orientation: from-image;
    background: #fff;
}

.poster-button {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    width: 100%;
}

.poster-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 12px;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal.is-open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(6, 14, 18, 0.75);
}

.modal-dialog {
    position: relative;
    z-index: 1;
    max-width: min(90vw, 980px);
    max-height: 90vh;
    background: #fff;
    border-radius: 18px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
}

.modal-image {
    max-width: 100%;
    max-height: 72vh;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
}

.modal-caption {
    font-weight: 600;
    color: var(--ink);
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 12px;
    border: none;
    background: rgba(15, 23, 42, 0.1);
    color: var(--ink);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.4rem;
    cursor: pointer;
}

.modal-close:hover {
    background: rgba(15, 23, 42, 0.2);
}

body.modal-open {
    overflow: hidden;
}

.about-hero {
    background: linear-gradient(180deg, #6b4227, #5a381f);
    color: #fff;
    padding: 68px 0 48px;
}

.about-hero h1 {
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: clamp(2rem, 3.2vw, 2.6rem);
    color: #fff;
    margin-bottom: 10px;
}

.about-hero-meta {
    color: #f0e1cf;
    font-weight: 600;
    font-size: 0.95rem;
}

.about-page-content {
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.about-page-body {
    padding: 28px 0 36px;
    max-width: 920px;
    margin: 0 auto;
    color: var(--muted);
}

.about-page-body p {
    margin-bottom: 16px;
}

.call-papers-section {
    background: #f7f3ee;
}

.call-papers-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 32px;
    align-items: center;
}

.call-papers-content h2 {
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    margin-bottom: 12px;
}

.call-papers-body {
    color: var(--muted);
}

.call-papers-body p {
    margin-bottom: 14px;
}

.call-papers-poster img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.submission-hero {
    background: linear-gradient(180deg, #6b4227, #5a381f);
    color: #fff;
    padding: 68px 0 48px;
    text-align: center;
}

.submission-hero h1 {
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: clamp(2rem, 3vw, 2.6rem);
    color: #fff;
}

.submission-cta {
    background: #f3f1ee;
    padding: 22px 0;
}

.submission-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.submission-cta-inner p {
    margin: 0;
    font-weight: 600;
    color: var(--ink);
}

.submission-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.submission-intro {
    padding: 40px 0 24px;
}

.submission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.info-card {
    background: var(--surface);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow);
}

.info-card h2 {
    font-size: 1.35rem;
    margin-bottom: 10px;
}

.info-card-body {
    background: #faf9f7;
    border-radius: 14px;
    padding: 14px;
    font-size: 0.95rem;
    color: var(--muted);
}

.info-card-body ul,
.info-card-body ol {
    padding-left: 18px;
    display: grid;
    gap: 6px;
}

.info-card-body p {
    margin: 0 0 10px;
}

.submission-accordion {
    background: #f3f1ee;
    padding: 40px 0 60px;
}

.accordion {
    display: grid;
    gap: 14px;
}

.accordion-item {
    border-bottom: 1px solid #b6b1bb;
}

.accordion-item summary {
    list-style: none;
    cursor: pointer;
    padding: 10px 0;
    font-weight: 600;
    color: var(--band-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.1rem;
}

.accordion-item summary::-webkit-details-marker {
    display: none;
}

.accordion-item summary::after {
    content: "▾";
    font-size: 1rem;
    color: #68626e;
    transition: transform 0.2s ease;
}

.accordion-item[open] summary::after {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 6px 0 16px;
    color: var(--muted);
}

.accordion-content ul,
.accordion-content ol {
    padding-left: 20px;
    display: grid;
    gap: 6px;
}

.topic-list {
    columns: 2;
    column-gap: 30px;
}

.topic-list li {
    break-inside: avoid;
    margin-bottom: 6px;
}

.topic-list > li {
    font-weight: 600;
}

.topic-list ul {
    list-style: disc;
    margin-top: 8px;
    padding-left: 18px;
    columns: 1;
    font-weight: 400;
}

.download-note {
    margin-top: 12px;
}

.download-link {
    color: var(--band-dark);
    font-weight: 700;
    background: #ffef7a;
    padding: 0 4px;
    border-radius: 6px;
}

.committee-hero {
    background: linear-gradient(180deg, #6b4227, #5a381f);
    color: #fff;
    padding: 68px 0 48px;
}

.committee-hero h1 {
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: clamp(2rem, 3vw, 2.6rem);
    color: #fff;
    margin-bottom: 10px;
}

.committee-hero p {
    color: #f0e1cf;
    font-weight: 600;
}

.committee-section {
    background: #fff;
}

.committee-group {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.committee-group:first-of-type {
    padding-top: 0;
}

.committee-group h2 {
    font-family: 'Work Sans', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.85rem;
    color: var(--band-dark);
    margin-bottom: 12px;
}

.committee-list {
    list-style: none;
    columns: 2;
    column-gap: 40px;
    color: var(--muted);
    font-size: 0.95rem;
}

.committee-list li {
    break-inside: avoid;
    margin-bottom: 6px;
}

.contact-hero {
    background: linear-gradient(180deg, #6b4227, #5a381f);
    color: #fff;
    padding: 68px 0 48px;
}

.contact-hero h1 {
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: clamp(2rem, 3vw, 2.6rem);
    color: #fff;
    margin-bottom: 10px;
}

.contact-hero p {
    color: #f0e1cf;
    font-weight: 600;
}

.contact-section {
    background: #fff;
}

.contact-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    background: #f6f4ef;
    border-radius: 18px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.contact-panel h2 {
    font-family: 'Work Sans', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.85rem;
    color: var(--band-dark);
    margin-bottom: 12px;
}

.contact-email a {
    font-weight: 700;
    color: var(--band-dark);
}

.contact-note {
    font-size: 0.95rem;
    color: var(--muted);
}

.gallery-section .band-title {
    border-radius: 16px 16px 0 0;
}

.gallery-panel {
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.gallery-frame {
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    background: #fff;
    padding: 18px;
    box-shadow: var(--shadow);
}

.gallery-track {
    display: flex;
    transition: transform 0.5s ease;
}

.gallery-slide {
    flex: 0 0 100%;
    padding: 0;
    text-align: center;
}

.gallery-slide img {
    width: 100%;
    max-height: 440px;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
}

.gallery-caption {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.gallery-caption-title {
    font-weight: 600;
}

.gallery-caption-sub {
    font-size: 0.9rem;
    color: var(--muted);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-nav.prev {
    left: 10px;    z-index: 1;
}

.gallery-nav.next {
    right: 10px;    z-index: 1;
}

.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
}

.gallery-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: #d3c0d8;
    cursor: pointer;
}

.gallery-dot.is-active {
    background: var(--band);
}

.gallery-single .gallery-nav,
.gallery-single .gallery-dots {
    display: none;
}

.page-hero {
    padding: 96px 0 60px;
    background: linear-gradient(120deg, rgba(14, 107, 104, 0.08), rgba(255, 255, 255, 0.95));
    border-bottom: 1px solid var(--line);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.content-card {
    background: var(--surface);
    padding: 24px;
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.speakers-section {
    background: #fff;
}

.speaker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.speaker-card {
    background: var(--surface);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.speaker-photo {
    background: #eef2f3;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.speaker-placeholder {
    color: var(--muted);
    font-weight: 600;
}

.speaker-info {
    padding: 18px;
}

.speaker-info h3 {
    margin-bottom: 6px;
}

.speaker-role {
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 10px;
}

.speaker-bio {
    color: var(--muted);
    font-size: 0.95rem;
}

.ack-section {
    background: var(--accent-soft);
}

.site-footer {
    background: #0f1e20;
    color: #eef3f5;
    padding-top: 48px;
}

.site-footer h3,
.site-footer h4,
.site-footer p,
.site-footer a {
    color: #eef3f5;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 26px;
    padding-bottom: 32px;
}

.footer-links {
    list-style: none;
    display: grid;
    gap: 8px;
}

.footer-links a {
    color: #d7e2e4;
}

.footer-ack {
    background: rgba(255, 255, 255, 0.08);
    padding: 18px;
    border-radius: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 16px 0 24px;
    font-size: 0.9rem;
}

.topnav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgb(253 251 254);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--ink);
}

.brand img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.brand-text {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-item a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ink);
    padding: 8px 4px;
}

.nav-item.is-active a {
    color: var(--accent);
}

.nav-item.has-children {
    position: relative;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 10px;
    display: none;
    min-width: 180px;
}

.submenu li {
    padding: 6px 4px;
}

.nav-item.has-children:hover .submenu,
.nav-item.has-children:focus-within .submenu {
    display: block;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle .bar {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--ink);
    margin: 6px 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions,
    .cta-actions {
        justify-content: center;
        align-items: center;
    }

    .cta-box {
        grid-template-columns: 1fr;
    }

    .fees-grid {
        grid-template-columns: 1fr;
    }

    .submission-cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .submission-hero {
        text-align: left;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-logo img {
        max-width: 140px;
    }

    .call-papers-inner {
        grid-template-columns: 1fr;
    }

    .committee-list {
        columns: 1;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
        display: none;
    }

    body.nav-open .nav-menu {
        display: block;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
    }

    .submenu {
        position: static;
        box-shadow: none;
        padding: 8px 0 0 16px;
        display: block;
        background: transparent;
    }
}

@media (max-width: 680px) {
    .section {
        padding: 56px 0;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero-art {
        max-width: 280px;
    }

    .deadline-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .topic-list {
        columns: 1;
    }

    .gallery-panel {
        padding: 16px;
    }

    .gallery-slide {
        padding: 10px;
    }

    .gallery-nav {
        display: none;
    }
}