:root {
  --ink: #10201b;
  --muted: #66746e;
  --cream: #f3f1e9;
  --paper: #fbfaf5;
  --forest: #0b3329;
  --forest-deep: #051c17;
  --lime: #b9dc72;
  --gold: #e4ad54;
  --line: rgba(16, 32, 27, 0.15);
  --shell: min(1240px, calc(100vw - 80px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 16px;
  background: white; transform: translateY(-150%); transition: transform 0.2s;
}
.skip-link:focus { transform: none; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 92px; padding: 0 max(40px, calc((100vw - 1240px) / 2));
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 46px;
  color: white; border-bottom: 1px solid rgba(255,255,255,0.2); transition: 0.3s ease;
}
.site-header.scrolled { height: 76px; color: var(--ink); background: rgba(251,250,245,0.94); backdrop-filter: blur(16px); border-color: var(--line); }
.brand { width: 178px; padding: 8px 10px; display: inline-flex; align-items: center; background: white; border-radius: 4px; }
.brand img { width: 100%; height: auto; display: block; }
.desktop-nav { justify-self: center; display: flex; gap: 34px; }
.desktop-nav a { position: relative; font-size: 13px; font-weight: 600; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 -7px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform 0.25s; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.header-cta { padding: 12px 18px; border: 1px solid currentColor; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; transition: 0.2s; }
.header-cta:hover { color: var(--forest); background: white; border-color: white; }
.scrolled .header-cta:hover { color: white; background: var(--forest); border-color: var(--forest); }
.menu-button, .mobile-nav { display: none; }

.hero { position: relative; min-height: 790px; height: 100svh; color: white; background: var(--forest-deep); overflow: hidden; }
.hero-media { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,20,15,0.96) 0%, rgba(2,20,15,0.78) 38%, rgba(2,20,15,0.12) 76%), url("assets/hero-biotech.webp") center/cover; transform: scale(1.02); animation: settle 1.8s cubic-bezier(.2,.8,.2,1) forwards; }
.hero-grid { position: absolute; inset: 0; opacity: 0.17; background-image: linear-gradient(rgba(255,255,255,0.18) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.18) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(90deg, black, transparent 65%); }
.hero-content { position: relative; z-index: 2; padding-top: clamp(160px, 22vh, 220px); }
.eyebrow { margin: 0 0 28px; display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--lime); }
.hero h1 { margin: 0; max-width: 900px; font: 700 clamp(54px, 7.2vw, 106px)/0.94 Manrope, sans-serif; letter-spacing: -0.065em; }
.hero h1 em { color: var(--lime); font-weight: 400; font-style: normal; }
.hero-intro { max-width: 570px; margin: 30px 0 0; color: rgba(255,255,255,0.75); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 38px; }
.button { min-height: 52px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase; border: 1px solid transparent; transition: transform 0.2s, background 0.2s, color 0.2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--forest-deep); background: var(--lime); }
.button-primary:hover { background: #cce98f; }
.button-light { background: var(--paper); color: var(--forest); }
.text-link { padding-block: 12px; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,0.45); }
.text-link span { margin-left: 14px; }
.event-bar { position: absolute; z-index: 3; inset: auto 0 0; border-top: 1px solid rgba(255,255,255,0.22); background: rgba(3,24,18,0.6); backdrop-filter: blur(14px); }
.event-bar-inner { min-height: 112px; display: grid; grid-template-columns: 1fr 1.6fr 1fr auto; align-items: stretch; }
.event-detail { padding: 26px 36px 24px 0; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid rgba(255,255,255,0.18); }
.event-detail + .event-detail { padding-left: 36px; }
.detail-label { margin-bottom: 8px; color: var(--lime); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.event-detail strong { font: 600 15px Manrope, sans-serif; }
.event-arrow { width: 112px; display: grid; place-items: center; font-size: 30px; transition: background 0.2s; }
.event-arrow:hover { background: var(--lime); color: var(--forest-deep); }

.marquee { overflow: hidden; padding: 18px 0; color: var(--forest); background: var(--lime); }
.marquee-track { width: max-content; display: flex; align-items: center; gap: 24px; animation: marquee 30s linear infinite; }
.marquee span { font: 700 12px Manrope, sans-serif; letter-spacing: 0.12em; text-transform: uppercase; }
.marquee i { width: 5px; height: 5px; border: 1px solid currentColor; border-radius: 50%; }

.section { padding-block: 130px; }
.section-kicker { display: grid; grid-template-columns: 48px auto; gap: 20px; align-items: center; margin-bottom: 65px; }
.section-kicker span { color: var(--muted); font: 600 11px Manrope, sans-serif; }
.section-kicker p { margin: 0; font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.about-copy { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 12vw; align-items: end; }
.about h2, .section-heading h2, .experience h2 { margin: 0; font: 600 clamp(42px, 5.2vw, 72px)/1.05 Manrope, sans-serif; letter-spacing: -0.055em; }
.about-body p { margin: 0 0 22px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.stats-grid { margin-top: 100px; display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.stats-grid article { padding: 42px 30px 42px 0; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.stats-grid article + article { padding-left: 30px; }
.stats-grid article:last-child { border-right: 0; }
.stats-grid strong { font: 600 clamp(44px, 5vw, 70px)/1 Manrope, sans-serif; letter-spacing: -0.06em; }
.stats-grid strong::after { content: attr(data-suffix); color: #5b8e44; font-size: 0.55em; vertical-align: top; }
.stats-grid span { margin-top: 13px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }

.focus { background: var(--cream); }
.section-heading { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 14vw; align-items: end; margin-bottom: 75px; }
.section-heading p { margin: 0; color: var(--muted); line-height: 1.7; }
.focus-list { border-top: 1px solid var(--line); }
.focus-item { min-height: 180px; display: grid; grid-template-columns: 80px 1fr 0.8fr 60px; gap: 30px; align-items: center; border-bottom: 1px solid var(--line); }
.focus-number { color: var(--muted); font-size: 11px; }
.focus-item h3 { margin: 0; font: 600 clamp(25px, 2.6vw, 38px) Manrope, sans-serif; letter-spacing: -0.04em; }
.focus-item p { max-width: 400px; margin: 0; color: var(--muted); line-height: 1.6; }
.focus-icon { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 24px; transition: 0.25s; }
.focus-item:hover .focus-icon { color: white; background: var(--forest); transform: rotate(15deg); }

.highlights { color: white; background: var(--forest-deep); }
.highlights .section-kicker span { color: rgba(255,255,255,0.42); }
.highlights-heading { margin-bottom: 70px; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 12vw; align-items: end; }
.highlights-heading h2 { margin: 0; font: 600 clamp(42px, 5.2vw, 72px)/1.05 Manrope, sans-serif; letter-spacing: -0.055em; }
.highlights-heading p { margin: 0; color: rgba(255,255,255,0.58); line-height: 1.7; }
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px 24px; }
.video-card-featured { grid-column: 1 / -1; }
.video-poster { position: relative; width: 100%; padding: 0; display: block; overflow: hidden; border: 0; aspect-ratio: 16 / 9; color: white; background: #06120f; cursor: pointer; }
.video-card:not(.video-card-featured) .video-poster { aspect-ratio: 16 / 10; }
.video-poster::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 52%, rgba(0,0,0,0.48)); }
.video-poster img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform 0.65s cubic-bezier(.2,.8,.2,1), filter 0.4s; }
.video-card:not(.video-card-featured) .video-poster img { filter: saturate(0.75); }
.video-poster:hover img { transform: scale(1.035); filter: saturate(1); }
.play-button { position: absolute; z-index: 2; inset: 50% auto auto 50%; width: 76px; height: 76px; display: grid; place-items: center; padding-left: 5px; color: var(--forest-deep); background: var(--lime); border-radius: 50%; transform: translate(-50%, -50%); font-size: 18px; transition: transform 0.25s, background 0.25s; }
.video-poster:hover .play-button { transform: translate(-50%, -50%) scale(1.08); background: white; }
.video-meta { padding-top: 20px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.video-meta span { color: var(--lime); font-size: 10px; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; }
.video-meta h3 { margin: 7px 0 0; font: 600 27px Manrope, sans-serif; letter-spacing: -0.04em; }
.video-meta a { color: rgba(255,255,255,0.58); font-size: 12px; border-bottom: 1px solid rgba(255,255,255,0.28); }
.video-meta a:hover { color: var(--lime); }
.video-dialog { width: min(1100px, calc(100vw - 40px)); max-width: none; padding: 0; overflow: visible; border: 0; background: black; box-shadow: 0 30px 100px rgba(0,0,0,0.55); }
.video-dialog::backdrop { background: rgba(2,14,11,0.9); backdrop-filter: blur(8px); }
.dialog-frame { aspect-ratio: 16 / 9; }
.dialog-frame iframe, .dialog-frame video { width: 100%; height: 100%; display: block; border: 0; }
.dialog-close { position: absolute; z-index: 2; top: -48px; right: 0; width: 40px; height: 40px; padding: 0; color: white; background: transparent; border: 1px solid rgba(255,255,255,0.45); border-radius: 50%; font-size: 25px; cursor: pointer; }

.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.experience-title { position: sticky; top: 120px; align-self: start; }
.experience-cards { border-top: 1px solid var(--line); }
.experience-card { padding: 38px 0 46px; border-bottom: 1px solid var(--line); }
.experience-card > span { color: #5b8e44; font: 600 11px Manrope, sans-serif; }
.experience-card h3 { margin: 20px 0 14px; font: 600 34px Manrope, sans-serif; letter-spacing: -0.04em; }
.experience-card p { margin: 0; max-width: 500px; color: var(--muted); line-height: 1.7; }

.register { position: relative; overflow: hidden; min-height: 650px; display: grid; place-items: center; color: white; background: var(--forest); text-align: center; }
.register::before { content: ""; position: absolute; inset: 0; opacity: 0.15; background-image: radial-gradient(circle at center, transparent 0, transparent 3px, white 4px, transparent 5px); background-size: 36px 36px; mask-image: radial-gradient(circle, black, transparent 70%); }
.register-inner { position: relative; z-index: 2; }
.register .eyebrow { justify-content: center; color: var(--lime); }
.register h2 { margin: 0; font: 600 clamp(52px, 7vw, 96px)/0.98 Manrope, sans-serif; letter-spacing: -0.065em; }
.register-inner > p:not(.eyebrow) { max-width: 550px; margin: 28px auto 34px; color: rgba(255,255,255,0.7); line-height: 1.7; }
.register-orbit { position: absolute; border: 1px solid rgba(185,220,114,0.2); border-radius: 50%; }
.orbit-one { width: 650px; height: 650px; }
.orbit-two { width: 900px; height: 360px; transform: rotate(-14deg); }

.site-footer { padding: 90px 0 25px; color: rgba(255,255,255,0.78); background: var(--forest-deep); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr; gap: 80px; }
.footer-brand .brand { width: 220px; }
.footer-brand > p { max-width: 310px; margin: 26px 0 0; color: rgba(255,255,255,0.62); line-height: 1.6; }
.footer-label { margin: 0 0 25px; color: var(--lime); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.footer-contact, .footer-location { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-contact a:hover, .social-links a:hover { color: var(--lime); }
.footer-location address { font-style: normal; line-height: 1.65; }
.social-links { display: flex; gap: 22px; margin-top: 18px; font-size: 13px; }
.footer-bottom { margin-top: 80px; padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,0.12); color: rgba(255,255,255,0.58); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.75s ease, transform 0.75s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
@keyframes settle { from { transform: scale(1.1); filter: brightness(0.65); } to { transform: scale(1.02); filter: brightness(1); } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 900px) {
  :root { --shell: min(100% - 40px, 680px); }
  .site-header { height: 76px; padding-inline: 20px; grid-template-columns: 1fr auto; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button { width: 44px; height: 44px; padding: 10px; display: flex; flex-direction: column; justify-content: center; gap: 5px; border: 0; background: transparent; cursor: pointer; }
  .menu-button span:not(.sr-only) { display: block; width: 24px; height: 1px; background: currentColor; transition: transform 0.25s, opacity 0.25s; }
  .menu-button[aria-expanded="true"] span:nth-last-child(3) { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-last-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }
  .mobile-nav { position: fixed; inset: 76px 0 0; padding: 40px 20px; display: flex; flex-direction: column; gap: 0; color: var(--ink); background: var(--paper); transform: translateX(100%); transition: transform 0.35s cubic-bezier(.2,.8,.2,1); }
  .mobile-nav.open { transform: none; }
  .mobile-nav > a:not(.button) { padding: 18px 0; font: 600 30px Manrope, sans-serif; border-bottom: 1px solid var(--line); }
  .mobile-nav .button { margin-top: 32px; align-self: stretch; }
  .hero { height: auto; min-height: 760px; }
  .hero-media { background-position: 62% center; }
  .hero-content { padding-top: 155px; }
  .hero h1 { font-size: clamp(50px, 12.5vw, 78px); }
  .event-bar-inner { width: 100%; grid-template-columns: 1fr 1fr; }
  .event-detail { padding: 20px; border-right: 1px solid rgba(255,255,255,0.18); }
  .event-detail + .event-detail { padding-left: 20px; }
  .event-edition, .event-arrow { display: none; }
  .about-copy, .section-heading, .highlights-heading, .experience-grid { grid-template-columns: 1fr; gap: 45px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid article:nth-child(2) { border-right: 0; }
  .experience-title { position: static; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 32px); }
  .section { padding-block: 90px; }
  .brand { width: 158px; padding: 7px 8px; }
  .hero { min-height: 780px; }
  .hero-media { background-image: linear-gradient(180deg, rgba(2,20,15,0.65) 0%, rgba(2,20,15,0.82) 55%, rgba(2,20,15,0.96) 100%), url("assets/hero-biotech.webp"); }
  .hero-content { padding-top: 145px; }
  .eyebrow { margin-bottom: 22px; font-size: 10px; }
  .hero h1 { font-size: clamp(46px, 14vw, 65px); line-height: 0.98; }
  .hero-intro { margin-top: 24px; font-size: 16px; line-height: 1.55; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 14px; margin-top: 28px; }
  .event-bar-inner { grid-template-columns: 1fr; }
  .event-detail { min-height: 72px; padding: 14px 16px; border-right: 0; }
  .event-detail + .event-detail { padding-left: 16px; border-top: 1px solid rgba(255,255,255,0.15); }
  .section-kicker { margin-bottom: 42px; }
  .about h2, .section-heading h2, .experience h2 { font-size: 41px; }
  .stats-grid { margin-top: 65px; }
  .stats-grid article { padding: 28px 12px 28px 0; }
  .stats-grid article + article { padding-left: 16px; }
  .stats-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stats-grid strong { font-size: 44px; }
  .focus-item { min-height: 0; padding: 30px 0; grid-template-columns: 35px 1fr 46px; gap: 12px; }
  .focus-item p { grid-column: 2 / -1; }
  .focus-icon { width: 42px; height: 42px; font-size: 19px; }
  .highlights-heading { margin-bottom: 48px; }
  .video-grid { grid-template-columns: 1fr; }
  .video-card-featured { grid-column: auto; }
  .video-card:not(.video-card-featured) .video-poster { aspect-ratio: 16 / 9; }
  .play-button { width: 58px; height: 58px; }
  .video-meta { align-items: flex-start; flex-direction: column; }
  .video-meta h3 { font-size: 23px; }
  .register { min-height: 560px; }
  .register h2 { font-size: 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 50px; }
  .footer-bottom { margin-top: 55px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}