/* Dent.AI — shared site styles (homepage + product pages).
   Moved verbatim out of index.html's inline <style>; page-specific
   additions live in each page. Load AFTER colors_and_type.css and motion.css. */
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg-1);color:var(--fg-1);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.eyebrow{font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin:0 0 18px;display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";display:inline-block;width:24px;height:1px;background:var(--brand)}

/* ---------- HEADER ---------- */
header.site{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-soft)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--fg-1)}
.logo svg.logo-lockup{width:auto;height:26px;display:block}
@media(max-width:480px){.logo svg.logo-lockup{height:22px}}
nav.main{display:flex;gap:32px;font-size:14px;font-weight:500;color:var(--fg-2)}
nav.main a:hover{color:var(--fg-1)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;border-radius:8px;padding:11px 18px;transition:background var(--dur-base) var(--ease-out),color var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-strong)}
.btn-ghost{color:var(--fg-1);border:1px solid var(--border-default);background:#fff}
.btn-ghost:hover{border-color:var(--fg-1)}
.btn-lg{padding:16px 24px;font-size:15px;border-radius:10px}

/* ---------- HERO ---------- */
.hero{position:relative;padding:96px 0 80px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(60% 50% at 85% 30%,rgba(45,143,204,.10),transparent 60%),
  radial-gradient(40% 40% at 12% 90%,rgba(69,195,214,.06),transparent 60%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-greeting{font-family:var(--font-sans);font-size:15px;line-height:1.6;color:var(--fg-2);max-width:460px;margin:0 0 32px;padding-left:18px;border-left:2px solid var(--brand)}
.hero-greeting b{color:var(--fg-1);font-weight:500}
h1.hero-title{font-family:var(--font-display);font-size:clamp(48px,6vw,84px);font-weight:800;line-height:.98;letter-spacing:-.035em;margin:0 0 28px;color:var(--fg-1)}
h1.hero-title .accent{color:var(--brand)}
h1.hero-title .light{color:var(--fg-3);font-weight:500;display:block;font-size:.42em;letter-spacing:.18em;text-transform:uppercase;margin-bottom:18px;font-family:var(--font-sans)}
.hero-lede{font-size:18px;line-height:1.6;color:var(--fg-2);max-width:520px;margin:0 0 36px}
.hero-lede b{color:var(--fg-1);font-weight:500}
.hero-cta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero-meta{display:flex;align-items:center;gap:18px;margin-top:40px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--fg-3);text-transform:uppercase}
.hero-meta .pill{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border:1px solid var(--border-default);border-radius:99px;color:var(--fg-2);background:#fff}
.hero-meta .pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--dai-success);box-shadow:0 0 6px var(--dai-success)}

/* hero visual */
.hero-vis{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.hero-vis .ring{position:absolute;inset:0;border-radius:50%;border:1px solid var(--dai-blue-100)}
.hero-vis .ring.r2{inset:9%;border-color:var(--dai-blue-50)}
.hero-vis .ring.r3{inset:18%;border-color:var(--dai-blue-50)}
.hero-vis .glow{position:absolute;inset:24%;border-radius:50%;background:radial-gradient(50% 50% at 50% 50%,rgba(45,143,204,.32),rgba(69,195,214,.05) 60%,transparent 78%);filter:blur(2px)}
.hero-vis .label{position:absolute;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;display:flex;align-items:center;gap:8px}
.hero-vis .label::before{content:"";width:18px;height:1px;background:var(--brand)}
.hero-vis .label.l1{top:14%;right:0}
.hero-vis .label.l2{bottom:18%;left:-4%}
.hero-vis .stat{position:absolute;bottom:0;right:0;background:#fff;border:1px solid var(--border-default);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);min-width:180px}
.hero-vis .stat .k{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--fg-3);text-transform:uppercase;margin-bottom:6px}
.hero-vis .stat .v{font-family:var(--font-display);font-size:24px;font-weight:700;letter-spacing:-.02em;color:var(--fg-1)}
.hero-vis .stat .v b{color:var(--brand);font-weight:700}

/* ---------- THREE vs 650 — editorial number contrast ---------- */
.threevs{background:var(--bg-dark);color:#fff;position:relative;overflow:hidden}
.threevs::after{content:"";position:absolute;inset:0;background:radial-gradient(45% 60% at 70% 50%,rgba(45,143,204,.22),transparent 60%);pointer-events:none}
.threevs .wrap{position:relative;z-index:1;padding:120px 32px;display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.threevs .eyebrow{color:var(--dai-cyan-400)}
.threevs .eyebrow::before{background:var(--dai-cyan-400)}
.threevs h2{font-family:var(--font-display);font-size:clamp(34px,4.2vw,56px);font-weight:700;line-height:1.05;letter-spacing:-.025em;margin:0 0 24px;color:#fff;text-wrap:pretty}
.threevs h2 .em{color:var(--dai-cyan-400)}
.threevs p{font-size:17px;line-height:1.65;color:rgba(255,255,255,.72);margin:0;max-width:520px}
.threevs p b{color:#fff;font-weight:500}

.vs-card{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;text-align:center}
.vs-card .col{padding:32px 12px}
.vs-card .col .num{font-family:var(--font-display);font-size:clamp(72px,11vw,128px);font-weight:800;line-height:.9;letter-spacing:-.04em;color:#fff}
.vs-card .col.brain .num{color:rgba(255,255,255,.45)}
.vs-card .col.scan .num{color:var(--dai-cyan-400);text-shadow:0 0 60px rgba(69,195,214,.4)}
.vs-card .col .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:14px}
.vs-card .col .lbl b{color:#fff;display:block;font-family:var(--font-sans);font-size:13px;letter-spacing:.02em;text-transform:none;font-weight:600;margin-top:6px}
.vs-card .div{width:1px;height:120px;background:rgba(255,255,255,.14)}

/* ---------- ANATOMIC MODELER ---------- */
.module-section{padding:140px 0;border-top:1px solid var(--border-soft)}
.module-section .wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.module-section.rev .copy{order:2}
.module-section h2{font-family:var(--font-display);font-size:clamp(36px,4.2vw,56px);font-weight:700;line-height:1.04;letter-spacing:-.025em;margin:0 0 22px;color:var(--fg-1);text-wrap:balance}
.module-section h2 em{font-style:normal;color:var(--brand)}
.module-section p.lede{font-size:17px;line-height:1.65;color:var(--fg-2);margin:0 0 24px;max-width:520px}
.module-section p.lede b{color:var(--fg-1);font-weight:500}
.speclist{margin:24px 0 32px;border-top:1px solid var(--border-default)}
.speclist .row{display:grid;grid-template-columns:130px 1fr;gap:24px;padding:16px 0;border-bottom:1px solid var(--border-default);align-items:baseline}
.speclist .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--fg-3);text-transform:uppercase}
.speclist .v{font-size:15px;color:var(--fg-1);line-height:1.5}
.speclist .v b{color:var(--brand)}
.modulebadge{display:inline-flex;align-items:center;gap:10px;padding:6px 14px;background:var(--brand-soft);color:var(--brand-strong);border-radius:99px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 22px;font-weight:500}
.modulebadge b{color:var(--dai-navy);font-weight:600}

/* Anatomic modeler illustration */
.am-vis{aspect-ratio:1/1;background:linear-gradient(160deg,#F7FAFC,#EAF4FB);border:1px solid var(--border-soft);border-radius:22px;position:relative;overflow:hidden;padding:32px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow-1)}
.am-vis::before{content:"";position:absolute;inset:0;background:radial-gradient(55% 55% at 50% 45%,rgba(45,143,204,.18),transparent 70%);pointer-events:none}
.am-vis .topbar{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--fg-3);text-transform:uppercase}
.am-vis .topbar .dots{display:flex;gap:6px}
.am-vis .topbar .dots i{width:7px;height:7px;border-radius:50%;background:var(--dai-gray-200);display:inline-block}
.am-vis .topbar .dots i:first-child{background:var(--dai-danger)}
.am-vis .topbar .dots i:nth-child(2){background:var(--dai-warning)}
.am-vis .topbar .dots i:nth-child(3){background:var(--dai-success)}
.am-vis .center{position:relative;z-index:1;flex:1;display:flex;align-items:center;justify-content:center}
.am-vis .center svg{width:100%;max-width:380px}
.am-vis .footbar{position:relative;z-index:1;display:flex;justify-content:space-between;gap:12px}
.am-vis .stat-mini{flex:1;padding:10px 14px;background:rgba(255,255,255,.7);border:1px solid var(--border-soft);border-radius:10px;backdrop-filter:blur(8px)}
.am-vis .stat-mini .k{font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;color:var(--fg-3);text-transform:uppercase;margin-bottom:4px}
.am-vis .stat-mini .v{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--fg-1);letter-spacing:-.02em}
.am-vis .stat-mini .v b{color:var(--brand)}

/* ---------- 3D GUIDE module grid ---------- */
.system{padding:140px 0;background:var(--bg-2);border-top:1px solid var(--border-soft)}
.system-head{max-width:780px;margin:0 0 72px}
.system-head h2{font-family:var(--font-display);font-size:clamp(36px,4.2vw,56px);font-weight:700;line-height:1.04;letter-spacing:-.025em;margin:0 0 16px;text-wrap:balance}
.system-head p{font-size:17px;line-height:1.65;color:var(--fg-2);margin:0;max-width:560px}
.modgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.modcard{background:#fff;border:1px solid var(--border-soft);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:14px;min-height:280px;position:relative;transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out);box-shadow:var(--shadow-1)}
.modcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.modcard .status{position:absolute;top:20px;right:20px;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:99px}
.modcard .status.now{background:#E8F5EC;color:var(--dai-success)}
.modcard .status.soon{background:#FAF1DC;color:#8E6A12}
.modcard .ic{width:48px;height:48px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:auto}
.modcard .ic svg{width:26px;height:26px}
.modcard .num{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--fg-3);text-transform:uppercase}
.modcard h3{font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:-.01em;line-height:1.25;margin:0;color:var(--fg-1)}
.modcard p{font-size:13.5px;line-height:1.55;color:var(--fg-2);margin:0}

/* ---------- UNI-Plan section with PULL QUOTE ---------- */
.pullquote{padding:140px 0;background:var(--bg-dark);color:#fff;text-align:center;position:relative;overflow:hidden;border-top:1px solid rgba(255,255,255,.05)}
.pullquote::after{content:"";position:absolute;inset:0;background:
  radial-gradient(40% 60% at 50% 50%,rgba(45,143,204,.18),transparent 60%);
  pointer-events:none}
.pullquote .wrap{position:relative;z-index:1;max-width:920px}
.pullquote .quote{font-family:var(--font-display);font-size:clamp(32px,4.8vw,64px);font-weight:800;line-height:1.05;letter-spacing:-.03em;margin:0 0 32px;color:#fff;text-wrap:balance}
.pullquote .quote .em{color:var(--dai-cyan-400);display:inline}
.pullquote .quote .punct{color:rgba(255,255,255,.4)}
.pullquote .reply{font-family:var(--font-sans);font-size:18px;line-height:1.65;color:rgba(255,255,255,.72);max-width:620px;margin:0 auto}
.pullquote .reply b{color:#fff;font-weight:500}
.pullquote .signoff{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dai-cyan-400);margin-top:36px}

/* ---------- ACCURACY / SCIENCE ---------- */
.science{padding:140px 0;border-top:1px solid var(--border-soft)}
.science .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}
.science h2{font-family:var(--font-display);font-size:clamp(36px,4.2vw,56px);font-weight:700;line-height:1.04;letter-spacing:-.025em;margin:0 0 22px;text-wrap:balance}
.science h2 em{font-style:normal;color:var(--brand)}
.science p{font-size:17px;line-height:1.65;color:var(--fg-2);margin:0 0 12px;max-width:520px}
.accuracy-big{display:flex;align-items:baseline;gap:20px;margin:32px 0 12px}
.accuracy-big .pct{font-family:var(--font-display);font-size:128px;font-weight:800;letter-spacing:-.05em;line-height:.85;color:var(--brand)}
.accuracy-big .lbl{font-size:14px;line-height:1.45;color:var(--fg-2);max-width:200px}
.accuracy-big .lbl b{color:var(--fg-1);font-weight:600;display:block;font-size:15px;margin-bottom:4px}
.journals{display:flex;flex-direction:column;gap:14px}
.journal{display:grid;grid-template-columns:auto 1fr auto;gap:18px;padding:18px 22px;background:#fff;border:1px solid var(--border-default);border-radius:12px;align-items:center;box-shadow:var(--shadow-1);transition:border-color var(--dur-base) var(--ease-out)}
.journal:hover{border-color:var(--brand)}
.journal .ic{width:38px;height:38px;border-radius:8px;background:var(--brand-soft);color:var(--brand-strong);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:14px}
.journal .meta{display:flex;flex-direction:column;gap:3px}
.journal .name{font-family:var(--font-display);font-size:15.5px;font-weight:600;color:var(--fg-1);letter-spacing:-.01em}
.journal .desc{font-size:12.5px;color:var(--fg-3);font-family:var(--font-mono);letter-spacing:.04em}
.journal .arrow{color:var(--fg-3)}

/* ---------- ORIGIN STORY ---------- */
.origin{padding:140px 0;background:var(--bg-2);border-top:1px solid var(--border-soft)}
.origin .wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.origin h2{font-family:var(--font-display);font-size:clamp(36px,4.2vw,52px);font-weight:700;line-height:1.04;letter-spacing:-.025em;margin:0 0 24px;text-wrap:balance}
.origin p{font-size:16.5px;line-height:1.75;color:var(--fg-2);margin:0 0 16px;max-width:520px}
.origin p b{color:var(--fg-1);font-weight:500}
.timeline{display:flex;flex-direction:column;gap:0;border-left:1px solid var(--border-default);padding-left:0;margin-top:8px}
.t-row{display:grid;grid-template-columns:90px 1fr;gap:28px;padding:18px 0 18px 24px;position:relative;border-bottom:1px solid var(--border-soft)}
.t-row:last-child{border-bottom:0}
.t-row::before{content:"";position:absolute;left:-5px;top:26px;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--bg-2)}
.t-year{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--fg-1)}
.t-text{font-size:15px;line-height:1.55;color:var(--fg-2)}
.t-text b{color:var(--fg-1);font-weight:600}

/* ---------- CTA ---------- */
.cta{padding:140px 0;text-align:center;border-top:1px solid var(--border-soft);position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 70% at 50% 50%,rgba(45,143,204,.10),transparent 65%);pointer-events:none}
.cta .wrap{position:relative;z-index:1;max-width:760px}
.cta h2{font-family:var(--font-display);font-size:clamp(40px,5vw,72px);font-weight:800;line-height:1.02;letter-spacing:-.03em;margin:0 0 24px;text-wrap:balance}
.cta h2 em{font-style:normal;color:var(--brand)}
.cta p{font-size:18px;line-height:1.6;color:var(--fg-2);max-width:540px;margin:0 auto 36px}
.cta-buttons{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center}
.cta .legal{margin-top:36px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}

/* ---------- FOOTER ---------- */
footer.site{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:64px 0 32px}
footer.site .cols{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:48px}
footer.site .logo{color:#fff}
footer.site p{font-size:13.5px;line-height:1.7;max-width:300px;margin:14px 0 0;color:rgba(255,255,255,.55)}
footer.site h5{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin:0 0 14px}
footer.site nav a{display:block;font-size:13.5px;line-height:2;color:rgba(255,255,255,.6)}
footer.site nav a:hover{color:#fff}
footer.site .baseline{margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.4);text-transform:uppercase}

/* ---------- responsive ---------- */
/* ---------- DARK THEME ---------- */
body[data-theme="dark"]{background:#061827;color:#fff}
body[data-theme="dark"] {
  --bg-1:#061827;
  --bg-2:#0B2236;
  --bg-dark:#03101C;
  --fg-1:#F5FAFE;
  --fg-2:rgba(245,250,254,.72);
  --fg-3:rgba(245,250,254,.5);
  --border-soft:rgba(255,255,255,.06);
  --border-default:rgba(255,255,255,.12);
  --border-strong:rgba(255,255,255,.22);
  --brand:#5DA7DC;
  --brand-strong:#95C6EA;
  --brand-soft:rgba(93,167,220,.14);
  --on-brand:#03101C;
}
body[data-theme="dark"] header.site{background:rgba(6,24,39,.78);border-bottom:1px solid rgba(255,255,255,.06)}
body[data-theme="dark"] .logo{color:#fff}
body[data-theme="dark"] .btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#fff}
body[data-theme="dark"] .btn-ghost:hover{border-color:#fff}
body[data-theme="dark"] .btn-primary{color:#03101C}
body[data-theme="dark"] .hero::after{background:
  radial-gradient(60% 50% at 85% 30%,rgba(93,167,220,.20),transparent 60%),
  radial-gradient(40% 40% at 12% 90%,rgba(69,195,214,.10),transparent 60%)}
body[data-theme="dark"] .hero-vis .ring{border-color:rgba(255,255,255,.10)}
body[data-theme="dark"] .hero-vis .ring.r2,
body[data-theme="dark"] .hero-vis .ring.r3{border-color:rgba(255,255,255,.06)}
body[data-theme="dark"] .hero-vis .stat{background:#0B2236;border-color:rgba(255,255,255,.10);box-shadow:0 12px 40px rgba(0,0,0,.5)}
body[data-theme="dark"] .am-vis{background:linear-gradient(160deg,#0B2236,#03101C);border-color:rgba(255,255,255,.08)}
body[data-theme="dark"] .am-vis .stat-mini{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08)}
body[data-theme="dark"] .modcard{background:#0B2236;border-color:rgba(255,255,255,.08)}
body[data-theme="dark"] .modcard:hover{box-shadow:0 12px 40px rgba(0,0,0,.45)}
body[data-theme="dark"] .modcard .status.now{background:rgba(43,161,119,.18);color:#7BD9AE}
body[data-theme="dark"] .modcard .status.soon{background:rgba(228,169,60,.18);color:#F0C266}
body[data-theme="dark"] .journal{background:#0B2236;border-color:rgba(255,255,255,.10);box-shadow:none}
body[data-theme="dark"] .journal:hover{border-color:var(--brand)}
body[data-theme="dark"] .hero-meta .pill{background:rgba(255,255,255,.04)}
body[data-theme="dark"] .accuracy-big .pct{color:var(--brand);text-shadow:0 0 80px rgba(93,167,220,.4)}
body[data-theme="dark"] .t-row::before{box-shadow:0 0 0 4px var(--bg-2)}
body[data-theme="dark"] footer.site{background:#03101C;border-top:1px solid rgba(255,255,255,.06)}
body[data-theme="dark"] ::selection{background:rgba(93,167,220,.35);color:#fff}

/* ---------- ACCENT VARIANTS ---------- */
body[data-accent="cyan"]{--brand:#1FA6BB;--brand-strong:#45C3D6;--brand-soft:rgba(31,166,187,.12)}
body[data-accent="cyan"][data-theme="dark"]{--brand:#45C3D6;--brand-strong:#7DDDEC;--brand-soft:rgba(69,195,214,.16)}
body[data-accent="navy"]{--brand:#1B79B6;--brand-strong:#145E91;--brand-soft:rgba(27,121,182,.12)}
body[data-accent="navy"][data-theme="dark"]{--brand:#5DA7DC;--brand-strong:#95C6EA;--brand-soft:rgba(93,167,220,.18)}

/* ---------- DENSITY MODES ---------- */
body[data-density="compact"] .hero{padding:64px 0 56px}
body[data-density="compact"] .module-section,
body[data-density="compact"] .system,
body[data-density="compact"] .pullquote,
body[data-density="compact"] .science,
body[data-density="compact"] .origin,
body[data-density="compact"] .compare,
body[data-density="compact"] .faq,
body[data-density="compact"] .cta{padding-top:88px;padding-bottom:88px}
body[data-density="compact"] .threevs .wrap{padding:88px 32px}

/* ---------- HERO VARIANTS ---------- */
body[data-hero="numbers"] .hero-default{display:none}
body:not([data-hero="numbers"]) .hero-numbers{display:none}
.hero-numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:32px 0 28px;max-width:520px}
.hero-numbers .stat-row{padding:20px 0;border-top:1px solid var(--border-default)}
.hero-numbers .stat-row .v{font-family:var(--font-display);font-size:clamp(34px,3.6vw,44px);font-weight:800;letter-spacing:-.03em;color:var(--fg-1);line-height:1}
.hero-numbers .stat-row .v .unit{font-size:.5em;color:var(--brand);letter-spacing:0;font-weight:600;margin-left:2px}
.hero-numbers .stat-row .k{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--fg-3);text-transform:uppercase;margin-top:8px;line-height:1.4;max-width:140px}

/* ---------- COMPARE ---------- */
.compare{padding:140px 0;border-top:1px solid var(--border-soft)}
.compare h2{font-family:var(--font-display);font-size:clamp(36px,4.2vw,52px);font-weight:700;line-height:1.05;letter-spacing:-.025em;margin:0 0 56px;max-width:780px;text-wrap:balance;color:var(--fg-1)}
.compare h2 em{font-style:normal;color:var(--brand)}
.compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.ccol{padding:32px;background:#fff;border:1px solid var(--border-soft);border-radius:16px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow-1)}
body[data-theme="dark"] .ccol{background:#0B2236;border-color:rgba(255,255,255,.08)}
.ccol .ctag{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.ccol h3{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.01em;margin:0;color:var(--fg-1)}
.ccol ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.ccol li{font-size:14px;line-height:1.55;color:var(--fg-2);padding-left:20px;position:relative}
.ccol li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:1px;background:var(--fg-3)}
.ccol.primary{background:var(--bg-dark);color:#fff;border-color:transparent;position:relative;overflow:hidden}
.ccol.primary::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 0%,rgba(45,143,204,.30),transparent 60%);pointer-events:none}
.ccol.primary > *{position:relative;z-index:1}
.ccol.primary .ctag{color:var(--dai-cyan-400)}
.ccol.primary h3{color:#fff}
.ccol.primary li{color:rgba(255,255,255,.78)}
.ccol.primary li::before{background:var(--dai-cyan-400)}

/* ---------- FAQ ---------- */
.faq{padding:140px 0;background:var(--bg-2);border-top:1px solid var(--border-soft)}
.faq .wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;align-items:start}
.faq h2{font-family:var(--font-display);font-size:clamp(34px,4vw,48px);font-weight:700;line-height:1.05;letter-spacing:-.025em;margin:0 0 16px;text-wrap:balance;color:var(--fg-1)}
.faq-head p.eyebrow{margin-bottom:18px}
.faq-head p.sub{font-size:15px;color:var(--fg-2);line-height:1.6;max-width:280px;margin:24px 0 0}
.faq-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--border-default)}
.faq-list details{border-bottom:1px solid var(--border-default);padding:22px 0}
.faq-list summary{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.01em;color:var(--fg-1);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:flex-start;gap:18px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-family:var(--font-display);font-weight:400;font-size:24px;color:var(--brand);transition:transform var(--dur-base) var(--ease-out);line-height:1;flex-shrink:0}
.faq-list details[open] summary::after{content:"\2013"}
.faq-list details p{font-size:15px;line-height:1.65;color:var(--fg-2);margin:14px 0 0;max-width:680px}

/* ---------- MODULE CARD HOVER reveal ---------- */
.modcard .more{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-top:2px;display:inline-flex;align-items:center;gap:6px;opacity:0;transform:translateY(4px);transition:opacity var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}
.modcard:hover .more{opacity:1;transform:translateY(0)}
/* a card with its own page: the link is always visible (touch and keyboard users can't hover) */
.modcard a.more{opacity:1;transform:none}
.modcard a.more:hover,.modcard a.more:focus-visible{color:var(--brand-strong)}
.modcard .ministat{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--fg-3);text-transform:uppercase;border-top:1px solid var(--border-soft);padding-top:10px;margin-top:6px}
body[data-theme="dark"] .modcard .ministat{border-top-color:rgba(255,255,255,.08)}
.modcard .ministat b{color:var(--fg-1);font-weight:600}

/* ---------- COOKIE BANNER ---------- */
.cookie{position:fixed;bottom:24px;left:24px;z-index:90;max-width:420px;background:#fff;border:1px solid var(--dai-gray-200);border-radius:14px;padding:20px 22px;box-shadow:0 12px 40px rgba(14,42,68,.18);transition:transform var(--dur-slow) var(--ease-out),opacity var(--dur-slow) var(--ease-out)}
body[data-theme="dark"] .cookie{background:#0B2236;border-color:rgba(255,255,255,.12);color:#fff;box-shadow:0 12px 40px rgba(0,0,0,.5)}
.cookie.hide{opacity:0;transform:translateY(140%);pointer-events:none}
.cookie p{font-size:13px;line-height:1.55;color:var(--fg-2);margin:0 0 14px}
body[data-theme="dark"] .cookie p{color:rgba(255,255,255,.7)}
.cookie .cbtns{display:flex;gap:8px;justify-content:flex-end}
.cookie .cbtns .btn{padding:9px 14px;font-size:12.5px;border-radius:8px}

/* numeric tabular */
.vs-card .col .num{font-variant-numeric:tabular-nums}

@media(max-width:960px){
  .hero .wrap,.module-section .wrap,.science .wrap,.origin .wrap,.threevs .wrap{grid-template-columns:1fr!important;gap:48px}
  .module-section.rev .copy{order:0}
  .modgrid{grid-template-columns:repeat(2,1fr)}
  footer.site .cols{grid-template-columns:1fr 1fr;gap:32px}
}
/* nav collapses where the burger takes over (motion.css shows .dai-burger ≤820px) */
@media(max-width:820px){
  nav.main{display:none}
}

/* ---------- WORKFLOW STRIP ---------- */
.flow{padding:76px 0 88px;border-top:1px solid var(--border-soft)}
.flow .eyebrow{margin-bottom:14px}
.flow h2{font-family:var(--font-display);font-size:clamp(26px,3vw,36px);font-weight:700;letter-spacing:-.02em;line-height:1.1;margin:0 0 44px;color:var(--fg-1)}
.flow-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.flow-steps li{position:relative;padding-top:26px}
.flow-steps li::before{content:"";position:absolute;top:0;left:0;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(69,195,214,.55)}
.flow-steps li::after{content:"";position:absolute;top:4px;left:21px;right:-14px;height:1px;background:var(--border-default)}
.flow-steps li:last-child::after{display:none}
.fs-num{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase}
.flow-steps h3{font-family:var(--font-display);font-size:19px;font-weight:700;letter-spacing:-.01em;margin:6px 0 8px;color:var(--fg-1)}
.flow-steps p{font-size:13.5px;line-height:1.55;color:var(--fg-2);margin:0 0 14px}
.fs-stat{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--fg-3);text-transform:uppercase}
.fs-stat b{color:var(--fg-1);font-weight:600}
/* voxel glyphs: one 12×12 tooth motif maturing across the five steps.
   Voxel groups assemble with a stagger when the strip scrolls into view. */
.fs-img{margin:0 0 16px;width:100%;max-width:220px;aspect-ratio:1/1;border-radius:14px;overflow:hidden;background:#010b1f;border:1px solid rgba(125,221,236,.12);box-shadow:0 18px 40px -24px rgba(0,0,0,.8)}
.fs-img img{width:100%;height:100%;display:block;object-fit:cover;opacity:0;transform:scale(.96);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out);transition-delay:calc(var(--i,0)*110ms)}
.flow-steps.visible .fs-img img{opacity:1;transform:none}
@media(max-width:960px){
  .flow-steps{grid-template-columns:1fr;gap:0}
  .flow-steps li{padding:0 0 30px 30px}
  .fs-img{max-width:168px}
  .flow-steps li::before{top:5px}
  .flow-steps li::after{top:17px;left:4px;right:auto;bottom:2px;width:1px;height:auto}
  .flow-steps li:last-child{padding-bottom:0}
  .flow-steps li:last-child::after{display:none}
  .flow-steps p{margin-bottom:10px}
}

/* ---------- HERO 3D MODEL (three.js / GLB) ---------- */
/* The segmentation model — the "virtual patient" the product builds — rendered
   in WebGL, lazy-loaded after first paint. Canvas fills the ring system. */
.model-mount{position:relative;width:108%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;cursor:grab;touch-action:none}
.model-mount.grabbing{cursor:grabbing}
.model-mount canvas{width:100%;height:100%;display:block;opacity:0;transition:opacity .6s var(--ease-out)}
.model-mount.ready canvas{opacity:1}
.model-hint{position:absolute;bottom:6%;left:50%;transform:translateX(-50%);font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dai-brand-strong,#7DDDEC);opacity:0;transition:opacity .5s ease;pointer-events:none}
.model-mount.ready .model-hint{opacity:.85}
.model-mount.touched .model-hint{opacity:0}

/* ---------- SEGMENTATION BEFORE / AFTER (3 vs 650 section) ---------- */
.seg-compare{grid-column:1/-1;margin:8px 0 0}
.sc-frame{--pos:50%;position:relative;max-width:820px;margin:0 auto;aspect-ratio:1600/1197}
.sc-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none;user-select:none;-webkit-user-select:none}
.sc-ai{clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.sc-thr{clip-path:inset(0 0 0 var(--pos))}
.sc-handle{position:absolute;top:6%;bottom:6%;left:var(--pos);width:2px;margin-left:-1px;pointer-events:none;background:linear-gradient(transparent,var(--dai-cyan-400) 18%,var(--dai-cyan-400) 82%,transparent)}
.sc-handle span{position:absolute;top:50%;left:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;background:var(--bg-dark);border:1.5px solid var(--dai-cyan-400);box-shadow:0 0 26px rgba(69,195,214,.45)}
.sc-handle span::before,.sc-handle span::after{content:"";position:absolute;top:50%;width:7px;height:7px;margin-top:-4px;border:solid var(--dai-cyan-400);border-width:0 0 1.5px 1.5px}
.sc-handle span::before{left:10px;transform:rotate(45deg)}
.sc-handle span::after{right:10px;transform:rotate(-135deg)}
.sc-range{position:absolute;inset:0;z-index:3;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;-webkit-appearance:none;appearance:none;background:transparent}
.sc-range:focus-visible + .sc-handle span{outline:2px solid #fff;outline-offset:3px}
.sc-tag{position:absolute;bottom:3%;z-index:2;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;padding:6px 11px;border-radius:99px;background:rgba(3,16,28,.72);border:1px solid rgba(255,255,255,.12);pointer-events:none}
.sc-tag.l{left:2%;color:var(--dai-cyan-400)}
.sc-tag.r{right:2%;color:rgba(255,255,255,.62)}
.seg-compare figcaption{text-align:center;margin-top:14px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5)}
@media(max-width:640px){.sc-tag{font-size:8.5px;padding:4px 8px;letter-spacing:.1em}.sc-handle span{width:34px;height:34px;margin:-17px 0 0 -17px}}

/* ---------- "SEE HOW IT WORKS" VIDEO DIALOG ---------- */
.vid-modal{padding:0;border:0;background:transparent;color:#fff;max-width:none;max-height:none;overflow:visible}
.vid-modal::backdrop{background:rgba(2,9,17,.84);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.vid-shell{position:relative;height:min(84vh,860px);aspect-ratio:9/16;max-width:92vw;border-radius:16px;overflow:hidden;background:#000;border:1px solid rgba(125,221,236,.22);box-shadow:0 40px 90px -30px rgba(0,0,0,.9)}
.vid-shell video{width:100%;height:100%;display:block;object-fit:contain;background:#000}
.vid-close{position:absolute;top:10px;right:10px;z-index:2;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(3,16,28,.7);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.vid-close:hover{border-color:#fff}
.vid-close:focus-visible{outline:2px solid var(--dai-cyan-400);outline-offset:2px}
.vid-cap{margin:12px auto 0;max-width:min(92vw,480px);text-align:center;font-size:13px;line-height:1.5;color:rgba(255,255,255,.62)}
.vid-modal[open]{animation:vid-in .28s var(--ease-out)}
@keyframes vid-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){.vid-modal[open]{animation:none}}

/* ---------- MODELER VIEWPORT (real segmentation, WebGL) ---------- */
.view-mount{position:relative;width:100%;height:100%;min-height:250px;border-radius:8px;overflow:hidden;cursor:grab;touch-action:none;outline:none}
.view-mount:focus-visible{box-shadow:inset 0 0 0 2px var(--brand)}
.view-mount.grabbing{cursor:grabbing}
.view-mount canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity .6s var(--ease-out)}
.view-mount.ready canvas{opacity:1}
.view-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:opacity .6s var(--ease-out)}
.view-mount.ready .view-fallback{opacity:0}
.view-mount .orbit-hint{position:absolute;right:10px;bottom:8px;z-index:2;font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;opacity:0}
.view-mount.ready .orbit-hint{opacity:1}
.view-mount.touched .orbit-hint{opacity:0}

/* ---------- APP WINDOW UI ---------- */
.ui-body{position:relative;z-index:1;flex:1;display:grid;grid-template-columns:36px 1fr 118px;min-height:0;border:1px solid rgba(255,255,255,.07);border-radius:12px;overflow:hidden;background:rgba(255,255,255,.02);margin:14px 0}
.ui-rail{border-right:1px solid rgba(255,255,255,.07);display:flex;flex-direction:column;align-items:center;gap:14px;padding-top:12px}
.ui-rail svg{width:16px;height:16px;color:var(--fg-3)}
.ui-rail svg.on{color:var(--brand-strong)}
.ui-view{display:flex;align-items:center;justify-content:center;padding:8px;min-width:0}
.ui-view svg{width:100%;height:100%;max-width:340px}
.ui-panel{border-left:1px solid rgba(255,255,255,.07);padding:14px 12px;display:flex;flex-direction:column;gap:14px;font-family:var(--font-mono)}
.ui-panel .pk{font-size:8.5px;letter-spacing:.14em;color:var(--fg-3);text-transform:uppercase;margin-bottom:4px}
.ui-panel .pv{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--fg-1);letter-spacing:-.01em}
.ui-panel .pv b{color:var(--brand-strong)}
.ui-bar{height:3px;background:rgba(255,255,255,.08);border-radius:2px;overflow:hidden;margin-top:7px}
.ui-bar i{display:block;height:100%;width:0;background:var(--brand);border-radius:2px;transition:width 1.6s var(--ease-out) .4s}
.am-vis.play .ui-bar i{width:var(--w,63%)}
.ui-checks{display:flex;flex-direction:column;gap:7px;font-size:10px;color:var(--fg-2);letter-spacing:.04em}
.ui-checks label{display:flex;align-items:center;gap:7px;cursor:pointer;user-select:none;-webkit-user-select:none}
.ui-checks input{appearance:none;-webkit-appearance:none;margin:0;width:11px;height:11px;border:1px solid var(--border-default);border-radius:2px;position:relative;flex:none;cursor:pointer;background:transparent}
.ui-checks input:checked{background:var(--brand-soft);border-color:var(--brand)}
.ui-checks input:checked::after{content:"";position:absolute;inset:2px;background:var(--brand-strong);border-radius:1px}
.ui-checks input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.ui-checks input:disabled,.ui-checks input:disabled + *{cursor:default}
.ui-checks label:has(input:disabled){cursor:default;opacity:.7}
.ui-status{position:relative;z-index:1;display:flex;justify-content:space-between;gap:10px;font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;color:var(--fg-3);text-transform:uppercase}
.ui-status b{color:var(--fg-1);font-weight:600}
.ui-step{display:flex;align-items:center;gap:8px}
.ui-step .pv{min-width:52px;text-align:center;font-variant-numeric:tabular-nums}
.ui-step button{width:18px;height:18px;border:1px solid var(--border-default);background:transparent;color:var(--fg-2);border-radius:5px;font-family:var(--font-mono);font-size:11px;line-height:1;cursor:pointer;padding:0;flex:none;transition:border-color var(--dur-base) var(--ease-out),color var(--dur-base) var(--ease-out)}
.ui-step button:hover{border-color:var(--brand);color:var(--brand-strong)}
/* small screens: the 3-column window doesn't fit — stack viewport over a horizontal panel */
@media(max-width:640px){
  .am-vis{aspect-ratio:auto}
  .ui-body{grid-template-columns:1fr}
  .ui-rail{display:none}
  .ui-view{min-height:225px}
  .ui-panel{border-left:0;border-top:1px solid rgba(255,255,255,.07);flex-direction:row;flex-wrap:wrap;gap:12px 20px;align-items:flex-start}
  .ui-panel > div{flex:1 1 40%}
}

/* ---------- fixes & wiring (2026-07 review) ---------- */
/* module badge: bold half was navy-on-dark and illegible in dark theme */
body[data-theme="dark"] .modulebadge b{color:var(--brand-strong)}
/* let the particle canvas show through the two dark band sections */
body[data-theme="dark"] .threevs,
body[data-theme="dark"] .pullquote{background:transparent}
/* journal cards: arrow nudges on hover */
.journal .arrow{transition:transform var(--dur-base) var(--ease-out)}
.journal:hover .arrow{transform:translate(2px,-2px)}
/* app-window viewports (real model, WebGL): HUD labels over the canvas */
.view-mount .hud{position:absolute;z-index:2;font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);pointer-events:none}
.view-mount .hud.warm{color:#E0A98F}
.orbit-hint{color:var(--brand-strong);transition:opacity .4s ease}
@keyframes dai-pulse{0%,100%{opacity:.7}50%{opacity:.15}}
.am-vis.play .print-ready{animation:dai-pulse .9s ease 1.5s 2}
/* header on mobile: logo left, actions grouped right */
@media(max-width:820px){
  header.site .wrap{gap:12px}
  header.site .wrap .btn-primary{margin-left:auto}
  nav.dai-menu.open{top:76px}
}
/* very narrow screens: the header CTA lives in the menu and the hero instead */
@media(max-width:480px){
  header.site .wrap .btn-primary{display:none}
  .dai-burger{margin-left:auto}
}
/* request-access form (Netlify) */
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:560px;margin:0 auto 18px;text-align:left}
.cta-form label{display:flex;flex-direction:column;gap:6px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.cta-form input{background:rgba(255,255,255,.04);border:1px solid var(--border-default);border-radius:8px;padding:12px 14px;font-family:var(--font-sans);font-size:15px;color:var(--fg-1);outline:none;transition:border-color var(--dur-base) var(--ease-out)}
.cta-form input:focus{border-color:var(--brand)}
.cta-form .full{grid-column:1/-1}
.cta-form button{grid-column:1/-1;justify-content:center;border:0;cursor:pointer;font-family:var(--font-sans)}
/* consent rows (GDPR): full width, sentence case, custom checkbox */
.cta-form label.consent{grid-column:1/-1;flex-direction:row;align-items:flex-start;gap:10px;font-family:var(--font-sans);font-size:13px;letter-spacing:0;text-transform:none;line-height:1.5;color:var(--fg-2);cursor:pointer}
.cta-form .consent input{appearance:none;-webkit-appearance:none;width:16px;height:16px;flex:none;margin:2px 0 0;padding:0;border:1px solid var(--border-default);border-radius:4px;background:rgba(255,255,255,.04);position:relative;cursor:pointer}
.cta-form .consent input:checked{background:var(--brand);border-color:var(--brand)}
.cta-form .consent input:checked::after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid #03101C;border-width:0 2px 2px 0;transform:rotate(45deg)}
.cta-form .consent input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.cta-form .consent a{color:var(--brand);text-decoration:underline}
@media(max-width:640px){.cta-form{grid-template-columns:1fr}}
/* cookie banner: slim full-width bar instead of a card */
.cookie{left:16px;right:16px;bottom:16px;max-width:none;display:flex;align-items:center;gap:18px;padding:12px 18px;flex-wrap:wrap}
.cookie p{margin:0;flex:1;min-width:260px}
.cookie .cbtns{margin-left:auto}
@media (prefers-reduced-motion: reduce){
  .am-vis.play .print-ready{animation:none}
  .fs-img img{opacity:1;transform:none;transition:none}
  .ui-bar i{transition:none;width:var(--w,63%)}
}