:root {
    --primary: #243b73;
    --primary-dark: #172953;
    --accent: #d8a23a;
    --text: #1f2937;
    --muted: #6b7280;
    --light: #f6f8fc;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
    --radius: 18px;
}

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

body {
    font-family: "Inter", Arial, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
}

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

img {
    max-width: 100%;
}

.container {
    width: min(1180px, 92%);
    margin: 0 auto;
}

/* Top Bar */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.86);
    font-size: 13px;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 8px 0;
}

.top-bar a {
    color: #fff;
}

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    display: grid;
    place-items: center;
    font-size: 25px;
    font-weight: 800;
}

.logo h1 {
    font-size: 24px;
    line-height: 1.1;
    color: var(--primary);
    letter-spacing: 0.5px;
}

.logo span {
    display: block;
    font-size: 12px;
    color: var(--muted);
}

.main-nav {
    display: flex;
    gap: 26px;
    align-items: center;
}

.main-nav a {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    transition: 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent);
}

.menu-toggle {
    display: none;
    border: none;
    background: var(--primary);
    color: var(--white);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    font-size: 22px;
    cursor: pointer;
}

.mobile-nav {
    display: none;
    padding: 12px 4%;
    border-top: 1px solid var(--border);
    background: var(--white);
}

.mobile-nav a {
    display: block;
    padding: 10px 0;
    font-weight: 600;
}

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

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top right, rgba(216, 162, 58, 0.22), transparent 28%),
        linear-gradient(135deg, #f8fbff 0%, #eef3fb 100%);
    padding: 86px 0;
}

.hero::before {
    content: "";
    position: absolute;
    left: -90px;
    bottom: -90px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(36, 59, 115, 0.08);
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 46px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(36, 59, 115, 0.08);
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 18px;
}

.hero h2 {
    font-size: clamp(38px, 5vw, 62px);
    line-height: 1.08;
    color: var(--primary-dark);
    margin-bottom: 22px;
    letter-spacing: -1.5px;
}

.hero p {
    font-size: 18px;
    color: var(--muted);
    max-width: 670px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    transition: 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 10px 24px rgba(36, 59, 115, 0.22);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid rgba(36, 59, 115, 0.22);
    color: var(--primary);
    background: var(--white);
}

.btn-outline:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.hero-card {
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 28px;
    padding: 34px;
    box-shadow: var(--shadow);
}

.hero-card-top {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 28px;
}

.hero-card-top span {
    color: var(--accent);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
}

.hero-card-top strong {
    color: var(--primary);
    font-size: 15px;
}

.hero-card h3 {
    font-size: 27px;
    line-height: 1.25;
    color: var(--primary-dark);
    margin-bottom: 14px;
}

.hero-card p {
    font-size: 15px;
}

.mini-stats {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.mini-stats div {
    background: var(--light);
    border-radius: 16px;
    padding: 15px 12px;
    text-align: center;
}

.mini-stats strong {
    display: block;
    color: var(--primary);
    font-size: 20px;
}

.mini-stats span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

/* Common Sections */
.section {
    padding: 78px 0;
}

.light-section {
    background: var(--light);
}

.section-heading {
    max-width: 720px;
    margin: 0 auto 42px;
    text-align: center;
}

.section-heading span,
.section-label {
    display: inline-block;
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    font-size: 13px;
    margin-bottom: 8px;
}

.section-heading h2,
.publication-box h2 {
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1.18;
    color: var(--primary-dark);
    margin-bottom: 14px;
}

.section-heading p,
.publication-box p {
    color: var(--muted);
    font-size: 16px;
}

/* Inner Page Hero */
.page-hero {
    background:
        radial-gradient(circle at top right, rgba(216, 162, 58, 0.22), transparent 28%),
        linear-gradient(135deg, #f8fbff 0%, #eef3fb 100%);
    padding: 72px 0;
    text-align: center;
}

.page-hero span {
    display: inline-block;
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    font-size: 13px;
    margin-bottom: 10px;
}

.page-hero h2 {
    color: var(--primary-dark);
    font-size: clamp(34px, 5vw, 54px);
    line-height: 1.12;
    max-width: 920px;
    margin: 0 auto 18px;
}

.page-hero p {
    color: var(--muted);
    font-size: 17px;
    max-width: 760px;
    margin: 0 auto;
}

/* Home Cards */
.feature-grid,
.event-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card,
.event-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: 0.2s;
}

.feature-card:hover,
.event-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.icon-box {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: rgba(36, 59, 115, 0.08);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 20px;
}

.feature-card h3,
.event-card h3 {
    color: var(--primary-dark);
    font-size: 21px;
    margin-bottom: 10px;
}

.feature-card p,
.event-card p {
    color: var(--muted);
}

.event-year {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(216, 162, 58, 0.14);
    color: #9a6917;
    font-weight: 800;
    border-radius: 999px;
    padding: 6px 13px;
    margin-bottom: 18px;
    font-size: 13px;
}

.event-card a {
    display: inline-block;
    margin-top: 18px;
    color: var(--primary);
    font-weight: 800;
}

.publication-box {
    background:
        radial-gradient(circle at top right, rgba(216, 162, 58, 0.22), transparent 30%),
        var(--primary-dark);
    color: var(--white);
    border-radius: 28px;
    padding: 46px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    align-items: center;
}

.publication-box h2,
.publication-box p {
    color: var(--white);
}

.publication-box p {
    opacity: 0.82;
    max-width: 720px;
}

.publication-box .btn-primary {
    background: var(--white);
    color: var(--primary);
}

/* About Page */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 42px;
    align-items: start;
}

.about-content h2 {
    color: var(--primary-dark);
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1.2;
    margin-bottom: 18px;
}

.about-content p {
    color: var(--muted);
    margin-bottom: 16px;
}

.about-highlight {
    background: var(--primary-dark);
    color: var(--white);
    border-radius: 26px;
    padding: 34px;
    box-shadow: var(--shadow);
}

.about-highlight h3 {
    font-size: 26px;
    margin-bottom: 24px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.highlight-item strong {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(216, 162, 58, 0.18);
    color: var(--accent);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.highlight-item h4 {
    color: var(--white);
    margin-bottom: 4px;
}

.highlight-item p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
}

.objective-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.objective-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: 0.2s;
}

.objective-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.objective-card h3 {
    color: var(--primary-dark);
    font-size: 19px;
    line-height: 1.3;
    margin-bottom: 10px;
}

.objective-card p {
    color: var(--muted);
    font-size: 15px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.team-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: 0.2s;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.team-avatar {
    width: 76px;
    height: 76px;
    margin: 0 auto 18px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 24px;
}

.team-card h3 {
    color: var(--primary-dark);
    font-size: 20px;
    margin-bottom: 4px;
}

.team-card p {
    color: var(--muted);
    font-weight: 600;
}

.cta-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 42px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
    box-shadow: var(--shadow);
}

.cta-box h2 {
    color: var(--primary-dark);
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    margin-bottom: 10px;
}

.cta-box p {
    color: var(--muted);
    max-width: 720px;
}

/* Events Page */
.conference-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 26px;
}

.conference-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 26px;
    padding: 34px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.featured-conference {
    background:
        radial-gradient(circle at top right, rgba(216, 162, 58, 0.22), transparent 32%),
        var(--primary-dark);
    color: var(--white);
}

.conference-badge {
    display: inline-flex;
    padding: 7px 13px;
    border-radius: 999px;
    background: rgba(216, 162, 58, 0.16);
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 18px;
}

.conference-card h3 {
    font-size: 28px;
    line-height: 1.25;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.featured-conference h3 {
    color: var(--white);
}

.conference-card p {
    color: var(--muted);
    margin-bottom: 22px;
}

.featured-conference p {
    color: rgba(255, 255, 255, 0.78);
}

.conference-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 24px 0;
}

.conference-meta div {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    background: var(--light);
}

.featured-conference .conference-meta div {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
}

.conference-meta strong {
    display: block;
    color: var(--primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

.featured-conference .conference-meta strong {
    color: var(--accent);
}

.conference-meta span {
    display: block;
    color: var(--text);
    font-weight: 700;
}

.featured-conference .conference-meta span {
    color: var(--white);
}

.jmc-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 38px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 30px;
    align-items: center;
    box-shadow: var(--shadow);
}

.jmc-content h3 {
    color: var(--primary-dark);
    font-size: 30px;
    line-height: 1.25;
    margin-bottom: 12px;
}

.jmc-content p {
    color: var(--muted);
}

.topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.topic-tags span {
    background: rgba(36, 59, 115, 0.08);
    color: var(--primary);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 700;
}

.jmc-note {
    background: var(--light);
    border-radius: 22px;
    padding: 28px;
    border-left: 5px solid var(--accent);
}

.jmc-note strong {
    display: block;
    color: var(--primary-dark);
    font-size: 22px;
    margin-bottom: 8px;
}

.jmc-note p {
    color: var(--muted);
}

.timeline-list {
    display: grid;
    gap: 24px;
}

.timeline-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 320px 1fr;
    transition: 0.2s;
}

.timeline-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.timeline-image {
    min-height: 240px;
    background: var(--light);
}

.timeline-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.timeline-content {
    padding: 30px;
}

.timeline-content span {
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
}

.timeline-content h3 {
    color: var(--primary-dark);
    font-size: 25px;
    line-height: 1.25;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--muted);
}

.event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.event-tags small {
    background: rgba(36, 59, 115, 0.08);
    color: var(--primary);
    border-radius: 999px;
    padding: 7px 12px;
    font-weight: 700;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.activity-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: 0.2s;
}

.activity-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.activity-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: rgba(216, 162, 58, 0.14);
    color: #9a6917;
    display: grid;
    place-items: center;
    font-weight: 800;
    margin-bottom: 18px;
}

.activity-card h3 {
    color: var(--primary-dark);
    font-size: 20px;
    line-height: 1.3;
    margin-bottom: 10px;
}

.activity-card p {
    color: var(--muted);
    font-size: 15px;
}

/* Publications Page */
.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.download-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
    transition: 0.2s;
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.download-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: rgba(36, 59, 115, 0.08);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 14px;
}

.download-info span {
    display: block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 4px;
}

.download-info h3 {
    color: var(--primary-dark);
    font-size: 19px;
    line-height: 1.35;
}

.download-btn {
    min-width: 94px;
    height: 42px;
    border-radius: 999px;
    background: var(--primary);
    color: var(--white);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    cursor: pointer;
    font-size: 14px;
}

.download-btn:hover {
    background: var(--primary-dark);
}

.download-btn.disabled {
    background: #d1d5db;
    color: #6b7280;
    cursor: not-allowed;
}

.paper-tools {
    max-width: 520px;
    margin: 0 auto 28px;
}

.paper-tools input {
    width: 100%;
    min-height: 52px;
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 0 22px;
    font-family: inherit;
    font-size: 15px;
    outline: none;
    background: var(--white);
}

.paper-tools input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(36, 59, 115, 0.08);
}

.paper-list {
    display: grid;
    gap: 14px;
}

.paper-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    transition: 0.2s;
}

.paper-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.paper-item span {
    display: block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 4px;
}

.paper-item h3 {
    color: var(--primary-dark);
    font-size: 19px;
    line-height: 1.35;
}

.paper-item a {
    color: var(--primary);
    font-weight: 800;
    white-space: nowrap;
}

.paper-item small {
    color: var(--muted);
    white-space: nowrap;
}

.publication-note {
    background:
        radial-gradient(circle at top right, rgba(216, 162, 58, 0.22), transparent 32%),
        var(--primary-dark);
    color: var(--white);
    border-radius: 28px;
    padding: 42px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}

.publication-note h2 {
    color: var(--white);
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    margin-bottom: 10px;
}

.publication-note p {
    color: rgba(255, 255, 255, 0.78);
    max-width: 760px;
}

.publication-note .btn-primary {
    background: var(--white);
    color: var(--primary);
}

/* Gallery Page */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}

.gallery-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    transition: 0.2s;
}

.gallery-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.gallery-card img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    display: block;
}

.gallery-info {
    padding: 24px;
}

.gallery-info h3 {
    color: var(--primary-dark);
    font-size: 22px;
    margin-bottom: 6px;
}

.gallery-info p {
    color: var(--muted);
}

.flickr-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 42px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 26px;
    align-items: center;
    box-shadow: var(--shadow);
}

.flickr-icon {
    width: 76px;
    height: 76px;
    border-radius: 24px;
    background: rgba(36, 59, 115, 0.08);
    display: grid;
    place-items: center;
    font-size: 34px;
}

.flickr-box h2 {
    color: var(--primary-dark);
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    margin-bottom: 8px;
}

.flickr-box p {
    color: var(--muted);
    max-width: 700px;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 34px;
    align-items: start;
}

.contact-info-box,
.contact-form-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 36px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.contact-info-box h2 {
    color: var(--primary-dark);
    font-size: clamp(28px, 4vw, 38px);
    line-height: 1.2;
    margin-bottom: 14px;
}

.contact-info-box > p {
    color: var(--muted);
    margin-bottom: 26px;
}

.contact-item {
    display: flex;
    gap: 16px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: rgba(36, 59, 115, 0.08);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-size: 22px;
}

.contact-item h3 {
    color: var(--primary-dark);
    font-size: 18px;
    margin-bottom: 3px;
}

.contact-item p,
.contact-item a {
    color: var(--muted);
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form-box h3 {
    color: var(--primary-dark);
    font-size: 30px;
    margin-bottom: 6px;
}

.contact-form-box > p {
    color: var(--muted);
    margin-bottom: 24px;
}

.contact-form {
    display: grid;
    gap: 17px;
}

.form-group label {
    display: block;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 7px;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 13px 15px;
    font-family: inherit;
    font-size: 15px;
    outline: none;
    transition: 0.2s;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(36, 59, 115, 0.08);
}

.form-group textarea {
    resize: vertical;
}

.form-btn {
    border: none;
    cursor: pointer;
    width: fit-content;
}

.contact-cta {
    background:
        radial-gradient(circle at top right, rgba(216, 162, 58, 0.22), transparent 32%),
        var(--primary-dark);
    color: var(--white);
    border-radius: 28px;
    padding: 42px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}

.contact-cta h2 {
    color: var(--white);
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    margin-bottom: 10px;
}

.contact-cta p {
    color: rgba(255, 255, 255, 0.78);
    max-width: 760px;
}

.contact-cta .btn-primary {
    background: var(--white);
    color: var(--primary);
}

.required {
    color: #b91c1c;
}

.form-alert {
    padding: 13px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 14px;
}

.form-alert.success {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.form-alert.error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

/* Footer */
.site-footer {
    background: #111827;
    color: rgba(255, 255, 255, 0.78);
}

.footer-grid {
    padding: 56px 0;
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1fr;
    gap: 40px;
}

.site-footer h3,
.site-footer h4 {
    color: var(--white);
    margin-bottom: 14px;
}

.site-footer h3 {
    font-size: 28px;
}

.site-footer a {
    display: block;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 8px;
}

.site-footer a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.58);
}

/* Responsive */
@media (max-width: 1000px) {
    .objective-grid,
    .activity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .top-bar-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .mobile-nav.show {
        display: block;
    }

    .hero {
        padding: 62px 0;
    }

    .hero-grid,
    .feature-grid,
    .event-grid,
    .publication-box,
    .footer-grid,
    .about-grid,
    .team-grid,
    .cta-box,
    .conference-grid,
    .jmc-box,
    .download-grid,
    .publication-note,
    .gallery-grid,
    .flickr-box,
    .timeline-card,
    .contact-grid,
    .contact-cta {
        grid-template-columns: 1fr;
    }

    .hero-card,
    .publication-box {
        padding: 26px;
    }

    .download-card {
        grid-template-columns: auto 1fr;
    }

    .download-btn {
        grid-column: 1 / -1;
        width: 100%;
    }

    .timeline-image {
        height: 260px;
    }

    .gallery-card img {
        height: 280px;
    }

    .contact-info-box,
    .contact-form-box,
    .contact-cta,
    .cta-box,
    .publication-note,
    .flickr-box {
        padding: 30px;
    }
}

@media (max-width: 560px) {
    .logo h1 {
        font-size: 21px;
    }

    .logo span {
        font-size: 11px;
    }

    .logo-mark {
        width: 42px;
        height: 42px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .mini-stats,
    .objective-grid,
    .conference-meta,
    .activity-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 56px 0;
    }

    .page-hero {
        padding: 56px 0;
    }

    .feature-card,
    .event-card,
    .conference-card,
    .jmc-box {
        padding: 24px;
    }

    .about-highlight {
        padding: 26px;
    }

    .jmc-content h3 {
        font-size: 25px;
    }

    .paper-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .paper-item a,
    .paper-item small {
        white-space: normal;
    }

    .gallery-card img,
    .timeline-image {
        height: 220px;
    }

    .timeline-content {
        padding: 24px;
    }

    .timeline-content h3 {
        font-size: 22px;
    }

    .contact-item {
        flex-direction: column;
    }

    .form-btn {
        width: 100%;
    }
}