:root {
  --bg: #07111f;
  --surface: #0e1b2b;
  --surface-2: #12243a;
  --text: #f7f4ec;
  --muted: #9eb0c5;
  --line: rgba(158,176,197,.17);
  --blue: #5368ff;
  --violet: #8b5cf6;
  --aqua: #22d3c5;
  --coral: #ff7a66;
  --yellow: #f5c842;
  --green: #5ee68a;
  --radius: 28px;
  --shadow: 0 28px 80px rgba(0,0,0,.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 9%, rgba(36,88,201,.20), transparent 27rem),
    radial-gradient(circle at 12% 36%, rgba(83,104,255,.08), transparent 24rem),
    var(--bg);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1360px, calc(100% - 64px)); 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; z-index: 100; top: 10px; left: 10px; padding: 10px 16px; border-radius: 10px; background: white; color: #07111f; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.noise { position: fixed; inset: 0; pointer-events: none; opacity: .025; z-index: 30; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); }
.cursor-glow { position: fixed; z-index: -1; width: 420px; height: 420px; border-radius: 50%; pointer-events: none; background: radial-gradient(circle, rgba(83,104,255,.1), transparent 70%); transform: translate(-50%,-50%); transition: opacity .2s; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(7,17,31,.72); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: .25s ease; }
.site-header.scrolled { border-color: var(--line); box-shadow: 0 12px 36px rgba(0,0,0,.14); }
.nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(247,244,236,.75); border-radius: 15px; font-family: "Space Grotesk", sans-serif; font-size: 20px; font-weight: 700; background: linear-gradient(145deg,rgba(255,255,255,.07),transparent); }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-family: "Space Grotesk", sans-serif; font-size: 14px; }
.brand-copy small { margin-top: 3px; color: var(--muted); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 38px; margin-left: auto; }
.nav-links a { position: relative; color: var(--muted); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a::after { content: ""; position: absolute; left: 50%; bottom: -11px; width: 18px; height: 2px; border-radius: 2px; background: var(--aqua); transform: translateX(-50%) scaleX(0); transition: transform .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after { transform: translateX(-50%) scaleX(1); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 14px; color: white; background: var(--surface); }
.menu-toggle span { display: block; width: 19px; height: 2px; margin: 5px auto; background: currentColor; transition: .2s; }

.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-weight: 600; transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.button span { transition: transform .2s; }
.button:hover { transform: translateY(-2px); }
.button:hover span { transform: translateX(4px); }
.button:focus-visible, .filter-button:focus-visible, .app-card:focus-visible, input:focus-visible, .menu-toggle:focus-visible { outline: 2px solid var(--aqua); outline-offset: 4px; }
.button-small { min-height: 48px; padding-inline: 22px; font-size: 14px; background: linear-gradient(135deg,#5368ff,#3954fa); box-shadow: 0 10px 28px rgba(83,104,255,.25); }
.button-primary { background: linear-gradient(135deg,#5368ff,#3654ff); box-shadow: 0 14px 34px rgba(83,104,255,.27); }
.button-ghost { border-color: rgba(34,211,197,.65); background: rgba(7,17,31,.32); }
.button-ghost:hover { background: rgba(34,211,197,.08); }
.button-light { background: var(--text); color: var(--bg); }

.hero { min-height: 700px; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 42px; padding-block: 72px 82px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--aqua); font-size: 12px; font-weight: 700; letter-spacing: .25em; text-transform: uppercase; }
.eyebrow span { width: 22px; height: 1px; background: currentColor; }
.hero h1, h2 { margin: 0; font-family: "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.hero h1 { max-width: 760px; font-size: clamp(48px,5.35vw,78px); line-height: .99; }
.hero h1 em { color: #d9e3f5; font-style: normal; }
.hero-intro { max-width: 650px; margin: 26px 0 30px; color: var(--muted); font-size: 19px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { display: flex; gap: 34px; margin-top: 46px; }
.hero-meta div { display: grid; padding-right: 34px; border-right: 1px solid var(--line); }
.hero-meta div:last-child { border: 0; }
.hero-meta strong { font-family: "Space Grotesk",sans-serif; font-size: 24px; }
.hero-meta span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }

.hero-visual { position: relative; min-height: 520px; perspective: 900px; }
.platform { position: absolute; border: 1px solid rgba(71,134,255,.35); border-radius: 72px; background: linear-gradient(145deg,rgba(31,79,175,.65),rgba(8,27,61,.8)); box-shadow: inset 0 0 36px rgba(74,118,255,.16), 0 40px 65px rgba(0,0,0,.26); transform: rotateX(58deg) rotateZ(-17deg); }
.platform-back { width: 72%; height: 61%; top: 13%; left: 14%; }
.platform-front { width: 74%; height: 58%; top: 28%; left: 10%; }
.orbit { position: absolute; z-index: 2; border: 1px solid rgba(74,147,255,.53); border-radius: 50%; animation: orbit-spin 18s linear infinite; }
.orbit::before, .orbit::after { content:""; position:absolute; width:8px; height:8px; border-radius:50%; background:var(--aqua); box-shadow:0 0 16px var(--aqua); }
.orbit-one { width: 72%; height: 38%; left: 12%; top: 29%; transform: rotate(-18deg); }
.orbit-two { width: 50%; height: 64%; left: 28%; top: 16%; animation-direction: reverse; animation-duration: 24s; }
.visual-tile { position: absolute; z-index: 3; width: 138px; height: 138px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.26); border-radius: 31px; font-family:"Space Grotesk",sans-serif; box-shadow: inset 0 2px 4px rgba(255,255,255,.3), 0 25px 36px rgba(0,0,0,.32); transform: rotate(-8deg); animation: float 5s ease-in-out infinite; }
.visual-tile span { font-size: 54px; font-weight: 700; text-shadow: 0 3px 3px rgba(0,0,0,.25); }
.visual-tile small { position:absolute; bottom:11px; font-size:9px; letter-spacing:.13em; text-transform:uppercase; opacity:.82; }
.tile-stats { left: 8%; top: 20%; background:linear-gradient(145deg,#9a58ff,#5730d8); }
.tile-perio { right: 5%; top: 28%; background:linear-gradient(145deg,#ff896f,#e14a37); animation-delay:-1.2s; transform:rotate(9deg); }
.tile-ai { left: 40%; bottom: 9%; background:linear-gradient(145deg,#5077ff,#183daf); animation-delay:-2s; }
.tile-chess { right: 5%; bottom: 4%; width:116px; height:116px; background:linear-gradient(145deg,#ffd55a,#d69a00); animation-delay:-3s; transform:rotate(7deg); }
.tile-chess span { font-size:48px; }
.orb { position:absolute; z-index:4; width:28px; height:28px; border-radius:50%; box-shadow:inset -8px -7px 14px rgba(0,0,0,.25),0 10px 30px rgba(0,0,0,.25); animation:float 4s ease-in-out infinite; }
.orb-a { left:2%; top:58%; background:var(--coral); }
.orb-b { right:3%; top:9%; background:var(--aqua); animation-delay:-1s; }
.orb-c { left:28%; top:5%; background:var(--violet); animation-delay:-2.4s; }

.applications { padding-block: 88px; }
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:28px; margin-bottom:34px; }
.section-heading h2, .about h2, .contact h2 { font-size:clamp(36px,4vw,58px); line-height:1.05; }
.section-heading > p { max-width:460px; margin:0; color:var(--muted); }
.tool-controls { display:flex; align-items:center; gap:18px; padding:14px; border:1px solid var(--line); border-radius:22px; background:rgba(14,27,43,.6); }
.search-box { height:50px; flex:1 1 370px; display:flex; align-items:center; gap:12px; padding:0 16px; border:1px solid var(--line); border-radius:15px; background:#091626; color:var(--muted); }
.search-box input { width:100%; color:var(--text); border:0; outline:0; background:transparent; }
.search-box input::placeholder { color:#73859c; }
kbd { padding:3px 7px; border:1px solid var(--line); border-radius:7px; color:#8293a9; font-size:10px; white-space:nowrap; }
.filters { display:flex; gap:8px; overflow-x:auto; scrollbar-width:none; }
.filter-button { min-height:40px; padding:0 15px; border:1px solid transparent; border-radius:999px; color:var(--muted); background:transparent; cursor:pointer; white-space:nowrap; transition:.2s; }
.filter-button:hover { color:var(--text); background:rgba(255,255,255,.04); }
.filter-button.active { color:var(--text); border-color:rgba(83,104,255,.62); background:rgba(83,104,255,.13); }
.result-status { min-height:24px; margin:16px 4px; color:var(--muted); font-size:13px; }
.app-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.app-card { --accent:#5368ff; position:relative; min-height:310px; overflow:hidden; display:flex; flex-direction:column; padding:28px; border:1px solid color-mix(in srgb,var(--accent),transparent 42%); border-radius:var(--radius); background:linear-gradient(145deg,color-mix(in srgb,var(--accent),transparent 90%),rgba(14,27,43,.92) 55%); box-shadow:inset 0 1px rgba(255,255,255,.04); transition:transform .25s cubic-bezier(.2,.8,.2,1),border-color .25s,box-shadow .25s; }
.app-card::before { content:""; position:absolute; right:-100px; bottom:-120px; width:240px; height:240px; border-radius:50%; background:radial-gradient(circle,color-mix(in srgb,var(--accent),transparent 77%),transparent 68%); transition:transform .3s; }
.app-card:hover { transform:translateY(-7px); border-color:var(--accent); box-shadow:0 24px 52px rgba(0,0,0,.25),0 0 32px color-mix(in srgb,var(--accent),transparent 83%); }
.app-card:hover::before { transform:scale(1.18); }
.app-card-top { display:flex; align-items:flex-start; justify-content:space-between; gap:18px; }
.app-icon { width:72px; height:72px; flex:0 0 auto; display:grid; place-items:center; border:1px solid color-mix(in srgb,var(--accent),white 22%); border-radius:21px; background:linear-gradient(145deg,color-mix(in srgb,var(--accent),white 12%),color-mix(in srgb,var(--accent),black 23%)); box-shadow:inset 0 2px 3px rgba(255,255,255,.2),0 14px 27px color-mix(in srgb,var(--accent),transparent 76%); font-family:"Space Grotesk",sans-serif; font-size:28px; font-weight:700; }
.app-card h3 { margin:22px 0 4px; font-family:"Space Grotesk",sans-serif; font-size:25px; line-height:1.12; }
.category-chip { display:inline-flex; align-items:center; width:max-content; margin-top:10px; padding:5px 11px; border:1px solid color-mix(in srgb,var(--accent),transparent 48%); border-radius:999px; color:color-mix(in srgb,var(--accent),white 35%); background:color-mix(in srgb,var(--accent),transparent 87%); font-size:11px; }
.app-description { margin:18px 0 16px; color:var(--muted); font-size:14px; }
.feature-list { display:grid; gap:6px; margin:0 0 22px; padding:0; list-style:none; color:#bdc9d6; font-size:12px; }
.feature-list li::before { content:""; display:inline-block; width:5px; height:5px; margin:0 9px 2px 0; border-radius:50%; background:var(--accent); box-shadow:0 0 8px var(--accent); }
.card-footer { display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:17px; border-top:1px solid var(--line); }
.live-label { display:flex; align-items:center; gap:8px; color:var(--green); font-size:12px; font-weight:600; }
.live-dot { width:8px; height:8px; border-radius:50%; background:var(--green); box-shadow:0 0 10px var(--green); animation:pulse 2.4s infinite; }
.card-arrow { width:42px; height:42px; display:grid; place-items:center; border:1px solid color-mix(in srgb,var(--accent),white 12%); border-radius:50%; background:color-mix(in srgb,var(--accent),transparent 83%); font-size:20px; transition:.22s; }
.app-card:hover .card-arrow { transform:translate(3px,-3px); background:var(--accent); box-shadow:0 0 22px color-mix(in srgb,var(--accent),transparent 40%); }
.empty-state { padding:72px 20px; text-align:center; border:1px dashed var(--line); border-radius:var(--radius); color:var(--muted); }
.empty-state > span { font-size:38px; }
.empty-state h3 { color:var(--text); font-family:"Space Grotesk",sans-serif; font-size:24px; margin:10px 0 0; }
.resource-shortcuts { display:flex; align-items:center; gap:22px; margin-top:20px; padding:20px 22px; border:1px solid var(--line); border-radius:20px; background:linear-gradient(90deg,rgba(233,185,73,.12),rgba(14,27,43,.72)); }
.resource-shortcuts > span { color:#f3ce70; font-size:10px; font-weight:700; letter-spacing:.15em; text-transform:uppercase; }
.resource-shortcuts > div { display:grid; }
.resource-shortcuts strong { font-family:"Space Grotesk",sans-serif; }
.resource-shortcuts small { color:var(--muted); }
.resource-shortcuts .button { min-height:44px; margin-left:auto; font-size:12px; }

.category-strip { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; padding-block:54px 100px; }
.category-panel { min-height:210px; position:relative; overflow:hidden; padding:28px; border-radius:var(--radius); display:flex; align-items:flex-end; gap:24px; }
.category-panel > span { position:absolute; top:22px; left:25px; font-size:11px; opacity:.75; }
.category-panel small { font-size:10px; text-transform:uppercase; letter-spacing:.15em; }
.category-panel h3 { max-width:230px; margin:7px 0 0; font-family:"Space Grotesk",sans-serif; font-size:24px; line-height:1.15; }
.category-panel b { position:absolute; right:28px; top:29px; font-size:48px; opacity:.8; }
.category-research { color:#dfe5ff; background:linear-gradient(145deg,#344bd5,#17256d); }
.category-clinical { color:#fff0ed; background:linear-gradient(145deg,#cf594b,#662b32); }
.category-learning { color:#fff5c7; background:linear-gradient(145deg,#b0871d,#4b3811); }

.about { display:grid; grid-template-columns:1.05fr .95fr; gap:20px; padding-block:70px 120px; }
.about-card, .quote-card { min-height:450px; padding:clamp(32px,5vw,64px); border:1px solid var(--line); border-radius:var(--radius); background:rgba(14,27,43,.7); }
.about-card > p:not(.eyebrow) { max-width:650px; margin:28px 0; color:var(--muted); font-size:17px; line-height:1.7; }
.text-link { display:inline-flex; gap:12px; color:var(--aqua); font-weight:600; }
.quote-card { position:relative; display:flex; flex-direction:column; justify-content:center; overflow:hidden; background:linear-gradient(145deg,rgba(83,104,255,.27),rgba(14,27,43,.84)); }
.quote-mark { position:absolute; top:-36px; left:30px; color:rgba(255,255,255,.08); font-family:Georgia,serif; font-size:220px; }
.quote-card blockquote { position:relative; margin:0; font-family:"Space Grotesk",sans-serif; font-size:clamp(25px,2.7vw,39px); line-height:1.3; letter-spacing:-.025em; }
.quote-card p { color:var(--muted); }
.signal { height:44px; display:flex; align-items:center; gap:6px; margin-top:30px; }
.signal i { width:4px; height:12px; border-radius:5px; background:var(--aqua); animation:wave 1.2s ease-in-out infinite; }
.signal i:nth-child(2),.signal i:nth-child(6){animation-delay:-.2s}.signal i:nth-child(3),.signal i:nth-child(5){animation-delay:-.4s}.signal i:nth-child(4){animation-delay:-.6s}

.contact { padding-bottom:90px; }
.contact-panel { min-height:280px; display:flex; align-items:center; justify-content:space-between; gap:40px; padding:clamp(34px,5vw,66px); border-radius:var(--radius); background:linear-gradient(105deg,#4259ec,#7f4cd9); box-shadow:var(--shadow); }
.contact-panel .eyebrow { color:#b9fff8; }
.contact-panel h2 { max-width:700px; }
.contact-panel p:not(.eyebrow) { margin-bottom:0; color:#dce2ff; }
.footer { min-height:130px; display:flex; align-items:center; justify-content:space-between; gap:20px; border-top:1px solid var(--line); color:var(--muted); font-size:12px; }
.footer-brand { color:var(--text); }
.footer > a:last-child { color:var(--text); }

.reveal { opacity:0; transform:translateY(18px); transition:opacity .65s ease,transform .65s ease; }
.reveal.visible { opacity:1; transform:none; }
@keyframes float { 0%,100%{translate:0 0} 50%{translate:0 -10px} }
@keyframes orbit-spin { to{ rotate:360deg; } }
@keyframes pulse { 50%{opacity:.35;transform:scale(.8)} }
@keyframes wave { 0%,100%{height:10px} 50%{height:34px} }

@media (max-width:1080px) {
  .hero { grid-template-columns:1fr; padding-top:70px; }
  .hero-copy { position:relative; z-index:5; }
  .hero-visual { min-height:480px; margin-top:-30px; }
  .app-grid { grid-template-columns:repeat(2,1fr); }
  .category-strip { grid-template-columns:1fr 1fr; }
  .category-strip article:last-child { grid-column:1/-1; }
}
@media (max-width:780px) {
  .shell { width:min(100% - 34px,1360px); }
  .nav { min-height:72px; }
  .brand-copy,.nav-cta { display:none; }
  .menu-toggle { display:block; margin-left:auto; }
  .menu-toggle.open span:first-child { transform:translateY(3.5px) rotate(45deg); }
  .menu-toggle.open span:last-child { transform:translateY(-3.5px) rotate(-45deg); }
  .nav-links { position:absolute; top:72px; left:17px; right:17px; display:none; align-items:stretch; flex-direction:column; gap:0; margin:0; padding:12px; border:1px solid var(--line); border-radius:18px; background:#0b1828; box-shadow:var(--shadow); }
  .nav-links.open { display:flex; }
  .nav-links a { padding:13px 12px; }
  .nav-links a::after { display:none; }
  .hero { min-height:auto; padding-block:56px 42px; }
  .hero h1 { font-size:clamp(43px,13vw,64px); }
  .hero-intro { font-size:16px; }
  .hero-meta { gap:15px; }
  .hero-meta div { padding-right:15px; }
  .hero-visual { min-height:400px; transform:scale(.92); margin-inline:-30px; }
  .section-heading { align-items:start; flex-direction:column; }
  .tool-controls { align-items:stretch; flex-direction:column; }
  .filters { padding-bottom:4px; }
  .app-grid,.category-strip,.about { grid-template-columns:1fr; }
  .category-strip article:last-child { grid-column:auto; }
  .contact-panel,.footer { align-items:flex-start; flex-direction:column; }
  .resource-shortcuts { align-items:flex-start; flex-direction:column; }
  .resource-shortcuts .button { margin-left:0; }
  .footer { padding-block:34px; }
}
@media (max-width:520px) {
  .hero-actions .button { width:100%; }
  .hero-meta { justify-content:space-between; }
  .hero-meta div { border:0; padding:0; }
  .hero-meta strong { font-size:20px; }
  .hero-visual { min-height:330px; transform:scale(.78); transform-origin:center top; margin-bottom:-60px; }
  .visual-tile { width:118px; height:118px; }
  .app-grid { grid-template-columns:1fr; }
  .app-card { min-height:300px; }
  .about-card,.quote-card { min-height:auto; padding:32px 25px; }
  .contact-panel { padding:34px 25px; }
  .contact-panel .button { width:100%; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; }
  .reveal { opacity:1; transform:none; }
}