:root {
  --primary: #1557b0;
  --primary-dark: #0b3d82;
  --secondary: #f6b91f;
  --accent: #25a57a;
  --ink: #172033;
  --muted: #667085;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --line: #e4e9f1;
  --radius: 22px;
  --shadow: 0 20px 55px rgba(22, 38, 70, .10);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
h1, h2, h3, .brand span { font-family: Manrope, Inter, sans-serif; }
.visually-hidden { position: absolute!important; width: 1px!important; height: 1px!important; padding: 0!important; margin: -1px!important; overflow: hidden!important; clip: rect(0,0,0,0)!important; white-space: nowrap!important; border: 0!important; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; background: #fff; color: var(--ink); padding: 12px 18px; border-radius: 12px; box-shadow: var(--shadow); }
.skip-link:focus { top: 16px; }
.site-container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-soft { background: var(--surface-soft); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 800; margin-bottom: 14px; }
.eyebrow-light { color: #dce9ff; }
.section-heading { margin-bottom: 48px; }
.section-heading.centered { max-width: 760px; text-align: center; margin-inline: auto; }
.section-heading.split { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-heading h2, .section-copy h2, .faq-intro h2, .contact-copy h2 { margin: 0 0 14px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.035em; }
.section-heading p, .section-copy p, .faq-intro p, .contact-copy p { margin: 0; color: var(--muted); font-size: 1.05rem; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; transition: .25s ease; border-bottom: 1px solid transparent; }
.site-header.is-scrolled { background: rgba(255,255,255,.96); backdrop-filter: blur(14px); border-color: var(--line); box-shadow: 0 8px 30px rgba(15,23,42,.06); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 50px; height: 50px; object-fit: contain; border-radius: 12px; background: #fff; }
.brand span { max-width: 360px; font-size: 1.06rem; font-weight: 800; color: #fff; line-height: 1.2; }
.site-header.is-scrolled .brand span { color: var(--ink); }
.primary-nav ul { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.primary-nav a { display: inline-flex; padding: 11px 13px; border-radius: 11px; color: rgba(255,255,255,.92); font-weight: 700; font-size: .93rem; }
.site-header.is-scrolled .primary-nav a { color: #39445a; }
.primary-nav a:hover, .primary-nav a.active { background: rgba(255,255,255,.12); }
.site-header.is-scrolled .primary-nav a:hover, .site-header.is-scrolled .primary-nav a.active { background: #edf4ff; color: var(--primary); }
.primary-nav .nav-cta { margin-left: 6px; background: var(--secondary)!important; color: #20283a!important; padding-inline: 18px; }
.nav-toggle { display: none; border: 0; background: transparent; width: 44px; height: 44px; padding: 10px; border-radius: 10px; }
.nav-toggle span:not(.visually-hidden) { display: block; height: 2px; margin: 5px 0; background: #fff; }
.site-header.is-scrolled .nav-toggle span:not(.visually-hidden) { background: var(--ink); }

.hero { position: relative; min-height: 760px; display: flex; align-items: center; overflow: hidden; color: #fff; background: linear-gradient(135deg, #0a3f8a 0%, #1762c7 56%, #2479da 100%); padding: 130px 0 88px; }
.hero-pattern { position: absolute; inset: 0; opacity: .22; background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.35) 0 2px, transparent 3px), radial-gradient(circle at 80% 45%, rgba(255,255,255,.25) 0 2px, transparent 3px); background-size: 90px 90px, 120px 120px; }
.hero::after { content: ""; position: absolute; left: -5%; right: -5%; bottom: -90px; height: 170px; background: #fff; border-radius: 50% 50% 0 0 / 90% 90% 0 0; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 80px; align-items: center; }
.hero-copy h1 { margin: 0 0 22px; max-width: 780px; font-size: clamp(3rem, 6.2vw, 5.75rem); line-height: .98; letter-spacing: -.055em; }
.hero-copy > p { max-width: 680px; margin: 0; color: rgba(255,255,255,.86); font-size: clamp(1.05rem, 2vw, 1.32rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 13px 22px; border: 1px solid transparent; border-radius: 13px; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--secondary); color: #21283a; box-shadow: 0 12px 25px rgba(246,185,31,.24); }
.btn-secondary { border-color: rgba(255,255,255,.44); background: rgba(255,255,255,.08); color: #fff; }
.section .btn-secondary, .article-sidebar .btn-secondary { color: var(--primary); border-color: #bfd4f4; background: #fff; }
.btn-light { background: #fff; color: var(--primary-dark); }
.hero-visual { position: relative; }
.hero-image-wrap { position: relative; overflow: hidden; border-radius: 48% 52% 44% 56% / 48% 42% 58% 52%; box-shadow: 0 28px 70px rgba(3,23,61,.35); border: 10px solid rgba(255,255,255,.14); aspect-ratio: 1.05; }
.hero-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-badge { position: absolute; right: -20px; bottom: 28px; display: flex; align-items: center; gap: 10px; padding: 13px 17px; border-radius: 16px; background: #fff; color: var(--ink); font-weight: 800; box-shadow: var(--shadow); }
.hero-badge i { color: #e34c67; }

.quick-actions { position: relative; z-index: 5; margin-top: -44px; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.quick-card { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 14px 35px rgba(22,38,70,.08); transition: .2s ease; }
.quick-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c6d7ef; }
.quick-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; background: #eaf3ff; color: var(--primary); font-size: 1.25rem; }
.quick-card:nth-child(2) .quick-icon { background: #fff5d8; color: #a66d00; }
.quick-card:nth-child(3) .quick-icon { background: #e7f8f1; color: #11805c; }
.quick-card:nth-child(4) .quick-icon { background: #f2eafe; color: #7541b8; }
.quick-card strong, .quick-card small { display: block; }
.quick-card strong { font-family: Manrope, sans-serif; font-size: 1rem; }
.quick-card small { color: var(--muted); line-height: 1.35; margin-top: 3px; }

.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.section-image { overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 4/3; }
.section-image img { width: 100%; height: 100%; object-fit: cover; }
.section-copy .lead { color: var(--ink); font-weight: 700; font-size: 1.2rem; margin-bottom: 14px; }
.body-copy { color: var(--muted); }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 20px; list-style: none; padding: 0; margin: 28px 0 0; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-weight: 650; }
.check-list i { color: var(--accent); }

.event-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.event-card, .blog-card, .team-card, .committee-card, .service-card, .message-card, .article-card, .sidebar-card, .contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 35px rgba(22,38,70,.06); }
.event-card { overflow: hidden; }
.event-image { aspect-ratio: 4/3; overflow: hidden; }
.event-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.event-card:hover .event-image img { transform: scale(1.05); }
.event-content { padding: 22px; }
.event-label { display: inline-block; color: var(--primary); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; }
.event-content h3 { margin: 8px 0; font-size: 1.25rem; }
.event-content p { margin: 0; color: var(--muted); }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { padding: 28px; min-height: 260px; display: flex; flex-direction: column; transition: .22s ease; }
.service-card:hover { transform: translateY(-5px); border-color: #b7ceec; box-shadow: var(--shadow); }
.service-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 17px; background: #eaf3ff; color: var(--primary); font-size: 1.5rem; }
.service-card:nth-child(3n+2) .service-icon { background: #fff3ce; color: #9b6700; }
.service-card:nth-child(3n+3) .service-icon { background: #e4f8f0; color: #087c58; }
.service-card h3 { margin: 20px 0 9px; font-size: 1.3rem; }
.service-card p { margin: 0; color: var(--muted); flex: 1; }
.service-link { margin-top: 22px; color: var(--primary); font-weight: 800; }

.cta-band { padding: 46px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 50px; }
.cta-inner h2 { margin: 0 0 8px; font-size: clamp(1.8rem, 4vw, 3rem); }
.cta-inner p { margin: 0; color: rgba(255,255,255,.78); }

.message-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.message-card { position: relative; padding: 32px; }
.quote-mark { position: absolute; top: 20px; right: 24px; font-size: 2.5rem; color: #dbe8fa; }
.message-card > p { margin: 0 0 28px; color: #44516a; }
.message-person { display: flex; align-items: center; gap: 14px; }
.message-person img { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; background: #eef3f9; }
.message-person h3 { margin: 0; font-size: 1rem; }
.message-person span { color: var(--muted); font-size: .88rem; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { overflow: hidden; }
.blog-image { display: block; aspect-ratio: 16/10; overflow: hidden; background: #edf2f8; }
.blog-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.blog-card:hover .blog-image img { transform: scale(1.04); }
.blog-content { padding: 24px; }
.blog-content time { color: var(--primary); font-size: .82rem; font-weight: 800; }
.blog-content h3 { margin: 8px 0 10px; font-size: 1.35rem; line-height: 1.25; }
.blog-content p { margin: 0; color: var(--muted); }
.read-more { display: inline-flex; gap: 8px; align-items: center; margin-top: 18px; color: var(--primary); font-weight: 800; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card { overflow: hidden; }
.team-photo { aspect-ratio: 1/1.05; overflow: hidden; background: #edf2f8; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-placeholder { display: grid; place-items: center; font-size: 4rem; color: #aebbd0; }
.team-content { padding: 22px; }
.team-content h3 { margin: 0 0 3px; }
.team-content span { color: var(--primary); font-weight: 800; font-size: .86rem; }
.team-content p { margin: 12px 0 0; color: var(--muted); font-size: .92rem; }
.committee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.committee-card { padding: 28px; }
.committee-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; background: #eaf3ff; color: var(--primary); font-size: 1.35rem; }
.committee-card h3 { margin: 18px 0 10px; }
.committee-card p { color: var(--muted); margin: 7px 0 0; }
.committee-chair { color: var(--ink)!important; }

.sponsor-swiper { padding: 10px 4px 48px; }
.sponsor-logo { height: 120px; display: grid; place-items: center; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.sponsor-logo img { max-height: 76px; max-width: 180px; object-fit: contain; filter: grayscale(1); opacity: .72; transition: .2s ease; }
.sponsor-logo:hover img { filter: none; opacity: 1; }
.swiper-pagination-bullet-active { background: var(--primary)!important; }

.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 22px 4px; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 800; cursor: pointer; }
.faq-item button i { color: var(--primary); transition: transform .2s ease; }
.faq-item button[aria-expanded="true"] i { transform: rotate(45deg); }
.faq-answer { padding: 0 36px 22px 4px; color: var(--muted); }
.faq-answer p { margin: 0; }

.section-contact { background: #eef4fc; }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.contact-list { display: grid; gap: 20px; margin-top: 30px; }
.contact-list > div { display: flex; gap: 14px; }
.contact-list i { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; background: #fff; color: var(--primary); box-shadow: 0 8px 20px rgba(22,38,70,.06); }
.contact-list strong { display: block; font-size: .86rem; color: var(--ink); }
.contact-card { padding: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid label { display: grid; gap: 7px; font-size: .88rem; font-weight: 750; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid input, .form-grid textarea { width: 100%; border: 1px solid #d8e0eb; border-radius: 12px; padding: 13px 14px; color: var(--ink); background: #fff; outline: none; }
.form-grid input:focus, .form-grid textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(21,87,176,.10); }
.honeypot { position: absolute!important; left: -10000px!important; width: 1px!important; height: 1px!important; }
.form-status { color: var(--muted); }

.site-footer { background: #081d3e; color: #fff; padding: 72px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .9fr; gap: 70px; }
.brand-light span { color: #fff!important; }
.footer-brand p, .site-footer p { color: #b9c6d9; }
.site-footer h3 { margin: 0 0 16px; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-footer a:hover { color: var(--secondary); }
.social-links { display: flex; gap: 10px; margin-top: 20px; }
.social-links a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: rgba(255,255,255,.09); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: #9eacc0; font-size: .85rem; }
.back-to-top { position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border: 0; border-radius: 14px; background: var(--primary); color: #fff; box-shadow: 0 12px 28px rgba(21,87,176,.3); opacity: 0; pointer-events: none; transform: translateY(10px); transition: .2s ease; z-index: 900; }
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

.blog-page { padding-top: 82px; }
.blog-hero { padding: 84px 0; color: #fff; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.blog-hero h1 { margin: 0 0 14px; font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -.045em; }
.blog-hero p { margin: 0; max-width: 700px; color: rgba(255,255,255,.8); }
.article-shell { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 30px; align-items: start; }
.article-card { padding: clamp(24px, 5vw, 54px); min-height: 420px; }
.article-card h1, .article-card h2, .article-card h3 { line-height: 1.2; }
.article-card img { border-radius: 16px; margin-block: 22px; }
.article-card a { color: var(--primary); text-decoration: underline; }
.article-card p, .article-card li { color: #40506a; }
.article-sidebar { display: grid; gap: 18px; position: sticky; top: 110px; }
.sidebar-card { padding: 24px; }
.sidebar-card h2 { margin-top: 0; font-size: 1.2rem; }
.sidebar-card p { color: var(--muted); }
.sidebar-card .btn { width: 100%; }
.article-loading { min-height: 300px; display: grid; place-items: center; align-content: center; gap: 15px; color: var(--muted); }
.spinner { width: 36px; height: 36px; border: 3px solid #dbe4ef; border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  .primary-nav a { padding-inline: 9px; font-size: .86rem; }
  .hero-grid { gap: 42px; }
  .quick-grid, .event-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid, .blog-grid, .committee-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .site-container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 72px 0; }
  .nav-toggle { display: block; z-index: 1002; }
  .primary-nav { position: fixed; inset: 0 0 0 22%; background: #fff; padding: 96px 24px 30px; transform: translateX(100%); transition: transform .25s ease; box-shadow: -20px 0 50px rgba(15,23,42,.14); }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav ul { display: grid; align-content: start; gap: 6px; }
  .primary-nav a, .site-header .primary-nav a { color: var(--ink); padding: 13px 15px; font-size: 1rem; }
  .primary-nav .nav-cta { margin: 8px 0 0; justify-content: center; }
  .site-header .brand span { max-width: 230px; }
  .hero { min-height: auto; padding-top: 125px; }
  .hero-grid, .two-column, .faq-layout, .contact-grid, .article-shell { grid-template-columns: 1fr; }
  .hero-grid { gap: 50px; }
  .hero-copy { text-align: center; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { max-width: 580px; margin-inline: auto; }
  .quick-actions { margin-top: -24px; }
  .two-column { gap: 42px; }
  .faq-intro, .article-sidebar { position: static; }
  .cta-inner { align-items: flex-start; flex-direction: column; gap: 24px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .header-inner { min-height: 72px; }
  .brand img { width: 42px; height: 42px; }
  .brand span { font-size: .9rem; }
  .hero { padding-top: 112px; }
  .hero-copy h1 { font-size: clamp(2.65rem, 14vw, 4rem); }
  .hero-badge { right: 4px; bottom: 10px; }
  .quick-grid, .event-grid, .service-grid, .message-grid, .blog-grid, .team-grid, .committee-grid, .footer-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .article-card { border-radius: 16px; padding: 22px; }
}