/* ── Tokens ── */
:root,[data-theme="light"]{
  --bg:#f0ebe3;--bg2:#f7f3ed;--card:rgba(255,255,255,0.82);--elev:#ece5dc;
  --bd:rgba(27,25,22,0.08);--bdh:rgba(27,25,22,0.14);
  --t1:#171513;--t2:#4e4941;--t3:#7b7469;--t4:#a39a8d;--ti:#f8f7f4;
  --ac:#5d7188;--ach:#435567;--acm:#7b8da0;--acs:rgba(93,113,136,0.08);
  --acb:rgba(93,113,136,0.18);--acg:rgba(93,113,136,0.14);
  --as:#546578;--asa:#425161;
  --sh:0 18px 48px rgba(38,33,26,0.08);--she:0 28px 80px rgba(38,33,26,0.16);
  --glass:rgba(255,255,255,0.55);--glassb:rgba(255,255,255,0.4);
  --orb1:rgba(93,113,136,0.10);--orb2:rgba(160,107,24,0.04);
  --ring:rgba(93,113,136,0.06);--dot:rgba(93,113,136,0.3);
  --particle:rgba(93,113,136,0.12);
  --layer1:#5d7188;--layer2:#7b8da0;--layer3:#a39a8d;--layer4:#c4b8a8;
  --node:rgba(93,113,136,0.12);--edge:rgba(93,113,136,0.15);
}
[data-theme="dark"]{
  --bg:#08090d;--bg2:#0e1016;--card:rgba(20,24,32,0.85);--elev:#161a22;
  --bd:rgba(255,255,255,0.05);--bdh:rgba(255,255,255,0.1);
  --t1:#f3f2ef;--t2:#c1c4ca;--t3:#8e949e;--t4:#4a5060;--ti:#111318;
  --ac:#92a2b3;--ach:#d3dbe2;--acm:#738495;--acs:rgba(146,162,179,0.07);
  --acb:rgba(146,162,179,0.15);--acg:rgba(146,162,179,0.1);
  --as:#6d7d8e;--asa:#556273;
  --sh:0 20px 48px rgba(0,0,0,0.3);--she:0 36px 96px rgba(0,0,0,0.4);
  --glass:rgba(14,16,22,0.6);--glassb:rgba(255,255,255,0.04);
  --orb1:rgba(100,140,200,0.08);--orb2:rgba(210,162,79,0.03);
  --ring:rgba(146,162,179,0.05);--dot:rgba(146,162,179,0.35);
  --particle:rgba(146,162,179,0.1);
  --layer1:#92a2b3;--layer2:#738495;--layer3:#5a6070;--layer4:#3a4050;
  --node:rgba(146,162,179,0.1);--edge:rgba(146,162,179,0.12);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans Arabic','Manrope',system-ui,sans-serif;background:var(--bg);color:var(--t1);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;position:relative;isolation:isolate}
body::before,body::after{content:'';position:fixed;inset:auto;pointer-events:none;z-index:-1}
body::before{top:-18vh;right:-10vw;width:42vw;height:42vw;max-width:640px;max-height:640px;border-radius:50%;background:radial-gradient(circle,var(--orb1),transparent 68%);filter:blur(30px);opacity:.9}
body::after{bottom:-24vh;left:-12vw;width:38vw;height:38vw;max-width:560px;max-height:560px;border-radius:50%;background:radial-gradient(circle,var(--orb2),transparent 70%);filter:blur(28px);opacity:.8}
[dir="ltr"] body{font-family:'Manrope','IBM Plex Sans Arabic',system-ui,sans-serif}
a{color:inherit;text-decoration:none}
.ctr{max-width:1200px;margin:0 auto;padding:0 2rem}

/* ── Header ── */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 2rem;transition:all .4s}
.hdr.scrolled{background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--glassb)}
.hdr-in{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:4rem}
.hdr-brand{display:flex;align-items:center;gap:.55rem}
.hdr-brand img{width:28px;height:28px;border-radius:8px}
.hdr-brand span{font-weight:700;font-size:1.05rem;letter-spacing:-.02em}
.hdr-actions{display:flex;align-items:center;gap:.45rem}

.bi{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--bd);background:0 0;color:var(--t3);cursor:pointer;transition:all .2s;font-size:.78rem;font-weight:600;font-family:inherit}
.bi:hover{background:var(--elev);color:var(--t1)}
.bg{padding:.4rem 1rem;border-radius:999px;border:1px solid var(--bd);background:0 0;color:var(--t2);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit}
.bg:hover{background:var(--elev);color:var(--t1)}
.bp{padding:.4rem 1.1rem;border-radius:999px;border:0;background:linear-gradient(135deg,var(--as),var(--asa));color:var(--ti);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .25s;font-family:inherit;box-shadow:0 2px 12px rgba(93,113,136,.18)}
.bp:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(93,113,136,.28)}

/* ── HERO ── */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:7.5rem 0 5rem;isolation:isolate}
.hero::before{content:'';position:absolute;inset:-10% -12% auto;height:84%;background:radial-gradient(circle at 50% 24%,rgba(255,255,255,.48),transparent 38%),radial-gradient(circle at 50% 40%,var(--orb1),transparent 62%);opacity:.95;z-index:0}
.hero::after{content:'';position:absolute;inset:auto 14% 3.5rem;height:1px;background:linear-gradient(90deg,transparent,var(--bd),transparent);z-index:1}

.hero-cosmos{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.orbit{position:absolute;border-radius:50%;border:1px solid var(--ring);animation:spin linear infinite}
.orbit:nth-child(1){width:420px;height:420px;animation-duration:28s}
.orbit:nth-child(2){width:680px;height:680px;animation-duration:42s;animation-direction:reverse}
.orbit:nth-child(3){width:940px;height:940px;animation-duration:58s}
.orbit::after{content:'';position:absolute;width:5px;height:5px;border-radius:50%;background:var(--dot);top:0;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 10px var(--acg)}
.orbit:nth-child(2)::after{width:4px;height:4px;top:auto;bottom:0;transform:translate(-50%,50%)}
.orbit:nth-child(3)::after{left:0;top:50%;transform:translate(-50%,-50%)}
@keyframes spin{to{transform:rotate(360deg)}}

.orb{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;animation:drift 10s ease-in-out infinite}
.orb:nth-child(1){width:380px;height:380px;background:var(--orb1);top:8%;right:12%}
.orb:nth-child(2){width:280px;height:280px;background:var(--orb2);bottom:12%;left:8%;animation-delay:-4s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(18px,-12px) scale(1.04)}}

.hero-particles{position:absolute;inset:0;pointer-events:none}
.pt{position:absolute;width:2px;height:2px;border-radius:50%;background:var(--particle);animation:rise linear infinite}
@keyframes rise{0%{opacity:0;transform:translateY(0) scale(.5)}15%{opacity:1}85%{opacity:1}100%{opacity:0;transform:translateY(-110vh) scale(0)}}

.hero-body{position:relative;z-index:10;text-align:center;max-width:900px;padding:0 1.5rem;display:grid;justify-items:center}
.hero-body::before{content:'';position:absolute;inset:10% 11% auto;height:220px;border-radius:999px;background:radial-gradient(circle,var(--orb1),transparent 70%);filter:blur(42px);z-index:-1;opacity:.85}

.hero-pill{display:inline-flex;align-items:center;gap:.45rem;padding:.3rem .9rem .3rem .45rem;background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--glassb);border-radius:999px;font-size:.7rem;font-weight:600;color:var(--ac);margin-bottom:2rem;animation:up .8s ease-out both}
.pill-dot{width:7px;height:7px;border-radius:50%;background:var(--ac);animation:pulse 2s ease-in-out infinite;box-shadow:0 0 8px var(--acg)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}

.hero-h{font-size:clamp(2.6rem,6.5vw,4.8rem);font-weight:800;line-height:1.08;letter-spacing:-.035em;margin-bottom:1.4rem;animation:up .8s ease-out .12s both}
.hero-h .glow{display:block;background:linear-gradient(135deg,var(--as),var(--acm),var(--ac));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-size:200% auto;animation:up .8s ease-out .12s both,shimmer 5s ease-in-out infinite}
@keyframes shimmer{0%,100%{background-position:0% center}50%{background-position:100% center}}

.hero-p{font-size:clamp(1.05rem,1.4vw,1.22rem);color:var(--t2);max-width:560px;margin:0 auto 2.5rem;font-weight:400;line-height:1.85;animation:up .8s ease-out .25s both}

.hero-cta{display:flex;justify-content:center;gap:.7rem;flex-wrap:wrap;animation:up .8s ease-out .38s both;margin-bottom:2rem}
.cta-a{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.8rem;background:linear-gradient(135deg,var(--as),var(--asa));color:var(--ti);border-radius:999px;font-size:.92rem;font-weight:600;font-family:inherit;transition:all .3s;box-shadow:0 4px 20px rgba(93,113,136,.22)}
.cta-a:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(93,113,136,.32)}
.cta-a svg{width:17px;height:17px}
.cta-b{display:inline-flex;align-items:center;gap:.45rem;padding:.8rem 1.6rem;background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--glassb);border-radius:999px;color:var(--t1);font-size:.92rem;font-weight:500;font-family:inherit;transition:all .3s}
.cta-b:hover{transform:translateY(-2px);border-color:var(--acb);box-shadow:var(--sh)}
.cta-b svg{width:15px;height:15px;color:var(--ac)}

.hero-signals{width:min(860px,100%);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem;padding-top:1.25rem;border-top:1px solid var(--bd);animation:up .8s ease-out .52s both}
.hero-signal{display:flex;align-items:center;justify-content:flex-start;gap:.9rem;padding:.95rem 1rem;border-radius:20px;border:1px solid var(--bd);background:linear-gradient(180deg,rgba(255,255,255,.28),rgba(255,255,255,.08));backdrop-filter:blur(16px);box-shadow:0 18px 48px rgba(38,33,26,0.05)}
[data-theme="dark"] .hero-signal{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015))}
.hero-signal-no{font-size:.72rem;font-weight:700;letter-spacing:.18em;color:var(--ac);opacity:.78}
.hero-signal-label{font-size:.82rem;font-weight:600;color:var(--t2);line-height:1.45}

@keyframes up{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

.scroll-hint{position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);z-index:10;animation:up .8s ease-out .7s both}
.scroll-bar{width:1px;height:32px;background:var(--bd);position:relative;overflow:hidden}
.scroll-bar::after{content:'';position:absolute;top:-100%;left:0;width:100%;height:50%;background:var(--ac);animation:sdown 2s ease-in-out infinite}
@keyframes sdown{0%{top:-50%}100%{top:100%}}

/* ── 3D LAYERS SECTION ── */
.layers-section{padding:0;position:relative;min-height:400vh}
.layers-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;isolation:isolate}
.layers-sticky::before{content:'';position:absolute;inset:12% 18% auto;height:32%;background:radial-gradient(circle,var(--orb1),transparent 70%);filter:blur(34px);opacity:.82}

.layers-shell{position:relative;z-index:2;display:grid;grid-template-columns:minmax(280px,.9fr) minmax(320px,1.1fr);gap:3rem;align-items:center;width:100%}
.layers-copy{display:grid;gap:1.4rem;align-self:center}
.layers-text{position:relative;z-index:2;text-align:start;pointer-events:none;opacity:0;transform:translateY(18px);transition:opacity .45s ease,transform .45s ease}
.layers-text.visible{opacity:1;transform:translateY(0)}
.layers-eyebrow{font-size:.7rem;font-weight:600;color:var(--ac);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.6rem}
.layers-title{font-size:clamp(1.5rem,3.2vw,2.4rem);font-weight:700;letter-spacing:-.02em}
.layers-sub{font-size:.92rem;color:var(--t3);max-width:460px;margin:.6rem 0 0}
.layers-text .layers-eyebrow,.layers-text .layers-title,.layers-text .layers-sub{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.layers-text.visible .layers-eyebrow,.layers-text.visible .layers-title,.layers-text.visible .layers-sub{opacity:1;transform:translateY(0)}
.layers-text.visible .layers-title{transition-delay:.06s}
.layers-text.visible .layers-sub{transition-delay:.12s}

.layers-nav{display:grid;gap:.75rem}
.layer-step{width:100%;display:flex;align-items:center;gap:1rem;padding:1rem 1.05rem;border-radius:20px;border:1px solid var(--bd);background:linear-gradient(180deg,rgba(255,255,255,.26),rgba(255,255,255,.08));backdrop-filter:blur(14px);color:var(--t2);font:inherit;text-align:start;cursor:pointer;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease}
[data-theme="dark"] .layer-step{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01))}
.layer-step:hover{transform:translateY(-2px);border-color:var(--acb)}
.layer-step.is-active{border-color:var(--acb);box-shadow:var(--sh);background:linear-gradient(135deg,var(--acs),rgba(255,255,255,.08));color:var(--t1)}
.layer-step-index{font-size:.72rem;font-weight:700;letter-spacing:.18em;color:var(--ac);opacity:.82}
.layer-step-copy{display:grid;gap:.14rem}
.layer-step-label{font-size:.68rem;font-weight:600;color:var(--t4);letter-spacing:.08em;text-transform:uppercase}
.layer-step-name{font-size:.98rem;font-weight:700;color:inherit}

.layers-stage{position:relative;min-height:540px;display:flex;align-items:center;justify-content:center;perspective:1800px}
.layers-stage::before{content:'';position:absolute;width:min(540px,78vw);height:min(540px,78vw);border-radius:50%;background:radial-gradient(circle,var(--orb1),transparent 68%);filter:blur(18px);opacity:.88}
.layers-stage::after{content:'';position:absolute;bottom:12%;width:78%;height:20%;border-radius:50%;background:radial-gradient(circle,rgba(38,33,26,.15),transparent 72%);filter:blur(40px);opacity:.22}
[data-theme="dark"] .layers-stage::after{background:radial-gradient(circle,rgba(0,0,0,.55),transparent 72%);opacity:.42}
.layers-grid{position:absolute;inset:10% 4% 12%;border-radius:34px;border:1px solid var(--bd);background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.02));opacity:.6;overflow:hidden}
[data-theme="dark"] .layers-grid{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.005))}
.layers-grid::before{content:'';position:absolute;inset:0;background:
linear-gradient(transparent 0,transparent calc(50% - .5px),rgba(255,255,255,.1) 50%,transparent calc(50% + .5px),transparent 100%),
linear-gradient(90deg,transparent 0,transparent calc(50% - .5px),rgba(255,255,255,.08) 50%,transparent calc(50% + .5px),transparent 100%),
repeating-linear-gradient(transparent 0,transparent 63px,rgba(255,255,255,.05) 64px),
repeating-linear-gradient(90deg,transparent 0,transparent 63px,rgba(255,255,255,.05) 64px);
opacity:.38}

.layers-stack{position:relative;width:min(620px,100%);height:390px;perspective:1800px;transform-style:preserve-3d;transform:rotateX(var(--stack-tilt-x,0deg)) rotateY(var(--stack-tilt-y,0deg));transition:transform .35s ease}

.layer-card{position:absolute;inset:0;border-radius:28px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--glassb);padding:2rem;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .18s linear,opacity .24s ease,filter .24s ease,border-color .24s ease;will-change:transform,opacity,filter;transform-style:preserve-3d;backface-visibility:hidden;overflow:hidden;box-shadow:var(--she)}
.layer-card::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.18),transparent 40%);pointer-events:none}
[data-theme="dark"] .layer-card::before{background:linear-gradient(180deg,rgba(255,255,255,.08),transparent 44%)}
.layer-card.is-active{border-color:var(--acb)}

.layer-card:nth-child(1){background:linear-gradient(135deg,rgba(84,101,120,.12),rgba(84,101,120,.04));z-index:4}
.layer-card:nth-child(2){background:linear-gradient(135deg,rgba(123,141,160,.10),rgba(123,141,160,.03));z-index:3}
.layer-card:nth-child(3){background:linear-gradient(135deg,rgba(163,154,141,.08),rgba(163,154,141,.02));z-index:2}
.layer-card:nth-child(4){background:linear-gradient(135deg,rgba(196,184,168,.06),rgba(196,184,168,.02));z-index:1}

[data-theme="dark"] .layer-card:nth-child(1){background:linear-gradient(135deg,rgba(146,162,179,.1),rgba(146,162,179,.03))}
[data-theme="dark"] .layer-card:nth-child(2){background:linear-gradient(135deg,rgba(115,132,149,.08),rgba(115,132,149,.02))}
[data-theme="dark"] .layer-card:nth-child(3){background:linear-gradient(135deg,rgba(90,96,112,.06),rgba(90,96,112,.02))}
[data-theme="dark"] .layer-card:nth-child(4){background:linear-gradient(135deg,rgba(58,64,80,.05),rgba(58,64,80,.02))}

.layer-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ac);margin-bottom:.3rem;opacity:.7}
.layer-name{font-size:1.05rem;font-weight:700;margin-bottom:.2rem}
.layer-desc{font-size:.78rem;color:var(--t3);line-height:1.5}

/* Layer inner visuals */
.layer-viz{flex:1;position:relative;margin-bottom:1rem;overflow:hidden;border-radius:18px;border:1px solid rgba(255,255,255,.18);background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.04));isolation:isolate}
[data-theme="dark"] .layer-viz{border-color:rgba(255,255,255,.06);background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01))}
.layer-viz::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent,rgba(255,255,255,.14),transparent);transform:translateX(-120%);animation:sheen 7s ease-in-out infinite;pointer-events:none;z-index:2}
.layer-viz::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(23,27,34,.04) 60%,rgba(23,27,34,.16));pointer-events:none;z-index:2}
[data-theme="dark"] .layer-viz::after{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(0,0,0,.06) 60%,rgba(0,0,0,.24))}
.layer-media{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover;object-position:var(--media-position,center);transform:scale(1.01);transition:transform .45s ease,filter .35s ease,opacity .35s ease;filter:saturate(.94) contrast(.98) brightness(.98);z-index:1}
.layer-card.is-active .layer-media{transform:scale(1.04);filter:saturate(1) contrast(1.02) brightness(1)}
.layer-card:not(.is-active) .layer-media{opacity:.94}
@keyframes sheen{0%,70%,100%{transform:translateX(-120%)}24%{transform:translateX(120%)}}

/* Neural net dots for layer 1 */
.neural-grid{width:100%;height:100%;position:relative}
.n-dot{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--ac);opacity:.25;animation:ndot 3s ease-in-out infinite}
.n-dot.active{opacity:.8;box-shadow:0 0 10px var(--acg);animation:ndotActive 2s ease-in-out infinite}
@keyframes ndot{0%,100%{transform:scale(1)}50%{transform:scale(1.3)}}
@keyframes ndotActive{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.5);opacity:1}}
.n-line{position:absolute;height:1px;background:var(--edge);transform-origin:left center;opacity:.4}

/* Memory rings for layer 2 */
.mem-rings{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative}
.mem-ring{position:absolute;border-radius:50%;border:1px solid var(--acb);animation:memPulse 4s ease-in-out infinite}
.mem-ring:nth-child(1){width:40px;height:40px;animation-delay:0s}
.mem-ring:nth-child(2){width:80px;height:80px;animation-delay:.5s}
.mem-ring:nth-child(3){width:120px;height:120px;animation-delay:1s}
.mem-ring:nth-child(4){width:160px;height:160px;animation-delay:1.5s}
.mem-core{width:10px;height:10px;border-radius:50%;background:var(--ac);box-shadow:0 0 20px var(--acg);animation:memCore 2s ease-in-out infinite}
@keyframes memPulse{0%,100%{opacity:.2;transform:scale(1)}50%{opacity:.5;transform:scale(1.05)}}
@keyframes memCore{0%,100%{transform:scale(1)}50%{transform:scale(1.3)}}

/* Shield for layer 3 */
.shield-viz{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.shield-hex{width:70px;height:80px;position:relative;animation:shieldFloat 3s ease-in-out infinite}
.shield-hex::before,.shield-hex::after{content:'';position:absolute;inset:0;border:2px solid var(--acb);clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%)}
.shield-hex::after{inset:8px;border-color:var(--ac);opacity:.5}
.shield-check{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--ac);font-size:1.4rem;font-weight:700}
@keyframes shieldFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* Bolt for layer 4 */
.bolt-viz{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative}
.bolt-core{font-size:2.5rem;color:var(--ac);animation:boltPulse 2s ease-in-out infinite;filter:drop-shadow(0 0 12px var(--acg))}
.bolt-ring{position:absolute;width:80px;height:80px;border-radius:50%;border:1px dashed var(--acb);animation:spin 8s linear infinite}
@keyframes boltPulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.15);opacity:1}}

/* ── CAPABILITIES ── */
.capabilities{padding:8rem 0;background:var(--bg)}
.cap-header{text-align:center;margin-bottom:4rem}
.cap-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1.2rem;align-items:start}

.cap-card{--cap-shift:0px;grid-column:span 2;background:var(--card);backdrop-filter:blur(12px);border:1px solid var(--bd);border-radius:24px;padding:2rem 1.7rem;position:relative;overflow:hidden;transition:transform .35s cubic-bezier(.4,0,.2,1),box-shadow .35s cubic-bezier(.4,0,.2,1),border-color .35s cubic-bezier(.4,0,.2,1);transform:translateY(var(--cap-shift));min-height:220px}
.cap-card:nth-child(1),.cap-card:nth-child(4){grid-column:span 3}
.cap-card:nth-child(2),.cap-card:nth-child(5){--cap-shift:1.75rem}
.cap-card:nth-child(3),.cap-card:nth-child(6){--cap-shift:3.2rem}
.cap-card:hover{transform:translateY(calc(var(--cap-shift) - 6px));box-shadow:0 20px 52px rgba(93,113,136,.12);border-color:var(--acb)}
.cap-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--acm),transparent);opacity:0;transition:opacity .3s}
.cap-card:hover::after{opacity:1}

.cap-icon{width:44px;height:44px;border-radius:13px;background:var(--acs);border:1px solid var(--acb);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;color:var(--ac)}
.cap-icon svg{width:20px;height:20px}
.cap-h{font-size:1rem;font-weight:700;margin-bottom:.35rem}
.cap-p{font-size:.84rem;color:var(--t3);line-height:1.7}

/* ── CTA ── */
.cta-section{padding:6rem 0 5rem;background:var(--bg)}
.cta-box{position:relative;overflow:hidden;background:var(--card);backdrop-filter:blur(16px);border:1px solid var(--bd);border-radius:28px;padding:4rem 2rem;text-align:center;box-shadow:var(--sh)}
.cta-box::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--as),var(--acm),transparent)}
.cta-box::after{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 50% 80% at 20% 100%,var(--orb2),transparent),radial-gradient(ellipse 40% 60% at 80% 0%,var(--orb1),transparent)}
.cta-inner{position:relative;z-index:2}
.cta-h{font-size:clamp(1.4rem,3vw,2rem);font-weight:700;margin-bottom:.7rem}
.cta-p{font-size:.92rem;color:var(--t3);margin-bottom:2.2rem;max-width:440px;margin-inline:auto}
.cta-stores{display:flex;justify-content:center;gap:.7rem;flex-wrap:wrap}

.store-btn{display:inline-flex;align-items:center;gap:.55rem;padding:.7rem 1.3rem;border-radius:14px;border:1px solid var(--bd);background:var(--glass);backdrop-filter:blur(12px);color:var(--t1);transition:all .3s}
.store-btn:hover{transform:translateY(-2px);box-shadow:var(--sh);border-color:var(--acb)}
.store-btn svg{width:22px;height:22px;flex-shrink:0}
.store-lbl{display:flex;flex-direction:column;line-height:1.2}
.store-sm{font-size:.56rem;color:var(--t4);font-weight:500}
.store-nm{font-size:.88rem;font-weight:700}

/* ── Footer ── */
.ftr{padding:2rem 0;border-top:1px solid var(--bd);background:var(--bg)}
.ftr-in{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.ftr-brand{display:flex;align-items:center;gap:.45rem}
.ftr-brand img{width:20px;height:20px;border-radius:6px}
.ftr-brand span{font-weight:600;font-size:.82rem;color:var(--t2)}
.ftr-links{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem 1.3rem}
.ftr-links a{font-size:.76rem;color:var(--t3);transition:color .2s}
.ftr-links a:hover{color:var(--ac)}
.ftr-copy{font-size:.7rem;color:var(--t4)}

/* ── Reveal ── */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.rv.v{opacity:1;transform:translateY(0)}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}
.rv-d4{transition-delay:.32s}.rv-d5{transition-delay:.4s}.rv-d6{transition-delay:.48s}

/* ── Responsive ── */
@media(max-width:1100px){
  .hero-signals{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layers-shell{grid-template-columns:1fr;gap:2rem}
  .layers-copy{justify-items:center}
  .layers-text{text-align:center}
  .layers-sub{margin-inline:auto}
  .layers-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layers-stage{min-height:440px}
}
@media(max-width:900px){
  .layers-section{min-height:360vh}
  .layers-stack{width:min(420px,100%);height:280px}
  .layers-stage{min-height:360px}
  .layers-nav{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr}
  .cap-card,.cap-card:nth-child(1),.cap-card:nth-child(4){grid-column:auto}
  .cap-card,.cap-card:nth-child(2),.cap-card:nth-child(3),.cap-card:nth-child(5),.cap-card:nth-child(6){--cap-shift:0px}
  .hdr-actions .login-btn{display:none}
  .orbit:nth-child(3){display:none}
}
@media(max-width:480px){
  .hero{padding-top:6.75rem}
  .hero-body{padding:0 1rem}
  .hero-cta,.cta-stores{flex-direction:column;align-items:center}
  .hero-signals{grid-template-columns:1fr}
  .store-btn{width:100%;max-width:240px;justify-content:center}
  .layers-stage{min-height:300px}
  .layers-stack{max-width:300px;height:220px}
  .layer-card{padding:1.35rem}
  .layer-step{padding:.9rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .orbit,.orb,.pt,.pill-dot,.hero-h .glow,.mem-ring,.mem-core,.shield-hex,.bolt-core,.bolt-ring,.n-dot,.n-dot.active,.scroll-bar::after,.layer-viz::before,.exp-prompt-dot,.exp-trace{animation:none!important}
  .layers-stack,.layer-card,.layer-step,.cap-card,.cta-a,.cta-b,.store-btn{transition:none!important}
}

/* Apple-like Layers Redesign */
.layers-section{min-height:360vh;background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 20%,var(--bg) 100%)}
.layers-section::before{inset:10% 10% auto;width:80%;height:30%;filter:blur(52px);opacity:.78}
.layers-sticky{align-items:center}
.layers-shell{grid-template-columns:1fr;gap:2rem;padding:clamp(4.5rem,8vw,6.5rem) 0 4rem}
.layers-copy{display:contents}
.layers-text{grid-row:1;text-align:center;max-width:760px;margin:0 auto}
.layers-title{font-size:clamp(1.9rem,4.4vw,3.7rem);letter-spacing:-.05em;line-height:1.02}
.layers-sub{max-width:620px;margin:.9rem auto 0;font-size:1rem}
.layers-nav{grid-row:3;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;max-width:1100px;margin:0 auto;width:100%}
.layer-step{width:auto;padding:0;border:0;border-radius:0;background:none;backdrop-filter:none;box-shadow:none;display:grid;gap:.58rem;text-align:start;color:var(--t3)}
[data-theme="dark"] .layer-step{background:none}
.layer-step:hover{transform:none;border-color:transparent}
.layer-step::before{content:'';display:block;height:1px;background:var(--bd);opacity:.92;transform:scaleX(.38);transition:transform .28s ease,background .28s ease,opacity .28s ease}
[dir="ltr"] .layer-step::before{transform-origin:left center}
[dir="rtl"] .layer-step::before{transform-origin:right center}
.layer-step:hover::before,.layer-step.is-active::before{background:linear-gradient(90deg,var(--ac),var(--acm));transform:scaleX(1)}
.layer-step.is-active{border-color:transparent;box-shadow:none;background:none;color:var(--t1)}
.layer-step-index{font-size:.72rem;letter-spacing:.18em}
.layer-step-copy{gap:.18rem}
.layer-step-label{font-size:.68rem;letter-spacing:.1em}
.layer-step-name{font-size:.96rem;transition:color .28s ease}
.layer-step.is-active .layer-step-label{color:var(--ac)}

.layers-stage{grid-row:2;min-height:520px;height:min(68vh,640px);border-radius:40px;border:1px solid var(--bd);background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.04));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--she)}
[data-theme="dark"] .layers-stage{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01))}
.layers-stage::before{width:64%;height:64%;inset:-10% 18% auto;filter:blur(28px);background:radial-gradient(circle,rgba(123,141,160,.26),transparent 64%)}
[data-theme="dark"] .layers-stage::before{background:radial-gradient(circle,rgba(146,162,179,.16),transparent 66%)}
.layers-stage::after{bottom:10%;width:84%;height:1px;border-radius:0;filter:none;background:linear-gradient(90deg,transparent,rgba(255,255,255,.52),transparent);opacity:.42}
.layers-grid{inset:0;border:0;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.02));opacity:.86}
[data-theme="dark"] .layers-grid{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.008))}
.layers-grid::before{opacity:.18}

.layers-stack{width:100%;height:100%;perspective:2400px;transition:transform .45s ease}
.layer-card{inset:9% 8% 12%;padding:0;border:0;background:none;box-shadow:none;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:1.5rem}
.layer-card::before{content:'';position:absolute;top:.9rem;inset-inline-start:1.3rem;font-size:clamp(4rem,10vw,8.5rem);font-weight:800;letter-spacing:-.08em;line-height:.88;color:var(--t1);opacity:.12;pointer-events:none;background:none}
[data-theme="dark"] .layer-card::before{opacity:.08}
.layer-card:nth-child(1)::before{content:'01'}
.layer-card:nth-child(2)::before{content:'02'}
.layer-card:nth-child(3)::before{content:'03'}
.layer-card:nth-child(4)::before{content:'04'}
.layer-card::after{content:'';position:absolute;inset:0;border-radius:0;background:none;pointer-events:none}
.layer-card>*{position:relative;z-index:2}
.layer-card.is-active .layer-name{color:var(--t1)}

.layer-viz{margin:0;position:relative;inset:auto;flex:none;height:100%;border-radius:34px;border:1px solid rgba(255,255,255,.26);background:linear-gradient(180deg,rgba(255,255,255,.3),rgba(255,255,255,.06));box-shadow:0 34px 100px rgba(38,33,26,.12)}
[data-theme="dark"] .layer-viz{border-color:rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));box-shadow:0 40px 120px rgba(0,0,0,.32)}
.layer-viz::before{background:linear-gradient(120deg,transparent,rgba(255,255,255,.16),transparent)}
[data-theme="dark"] .layer-viz::before{background:linear-gradient(120deg,transparent,rgba(255,255,255,.08),transparent)}
.layer-card:nth-child(1) .layer-viz{background:
radial-gradient(circle at 22% 18%,rgba(123,141,160,.24),transparent 34%),
linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,255,255,.08)),
linear-gradient(135deg,rgba(84,101,120,.18),rgba(84,101,120,.04) 68%)}
.layer-card:nth-child(2) .layer-viz{background:
radial-gradient(circle at 24% 18%,rgba(123,141,160,.18),transparent 32%),
linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,255,255,.08)),
linear-gradient(135deg,rgba(123,141,160,.16),rgba(123,141,160,.04) 70%)}
.layer-card:nth-child(3) .layer-viz{background:
radial-gradient(circle at 24% 18%,rgba(163,154,141,.18),transparent 30%),
linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,255,255,.08)),
linear-gradient(135deg,rgba(163,154,141,.14),rgba(163,154,141,.04) 72%)}
.layer-card:nth-child(4) .layer-viz{background:
radial-gradient(circle at 24% 18%,rgba(196,184,168,.16),transparent 30%),
linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,255,255,.08)),
linear-gradient(135deg,rgba(196,184,168,.14),rgba(196,184,168,.04) 72%)}
[data-theme="dark"] .layer-card:nth-child(1) .layer-viz{background:
radial-gradient(circle at 22% 18%,rgba(146,162,179,.16),transparent 34%),
linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02)),
linear-gradient(135deg,rgba(146,162,179,.10),rgba(146,162,179,.02) 68%)}
[data-theme="dark"] .layer-card:nth-child(2) .layer-viz{background:
radial-gradient(circle at 24% 18%,rgba(115,132,149,.14),transparent 32%),
linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02)),
linear-gradient(135deg,rgba(115,132,149,.09),rgba(115,132,149,.02) 70%)}
[data-theme="dark"] .layer-card:nth-child(3) .layer-viz{background:
radial-gradient(circle at 24% 18%,rgba(90,96,112,.14),transparent 30%),
linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02)),
linear-gradient(135deg,rgba(90,96,112,.08),rgba(90,96,112,.02) 72%)}
[data-theme="dark"] .layer-card:nth-child(4) .layer-viz{background:
radial-gradient(circle at 24% 18%,rgba(58,64,80,.16),transparent 30%),
linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02)),
linear-gradient(135deg,rgba(58,64,80,.08),rgba(58,64,80,.02) 72%)}

.layer-label,.layer-name,.layer-desc{padding-inline:1rem}
.layer-label{font-size:.68rem;letter-spacing:.16em;opacity:.82}
.layer-name{font-size:clamp(1.25rem,2.8vw,2.2rem);letter-spacing:-.035em;line-height:1.06;margin-bottom:.15rem}
.layer-desc{font-size:.96rem;line-height:1.8;max-width:40ch}

.n-dot{width:8px;height:8px}
.n-dot.active{box-shadow:0 0 14px var(--acg)}
.n-line{background:linear-gradient(90deg,var(--edge),transparent);opacity:.42}
.mem-rings::before{content:'';position:absolute;width:62%;height:62%;border-radius:50%;border:1px solid rgba(255,255,255,.18);opacity:.55}
.mem-ring:nth-child(1){width:56px;height:56px}
.mem-ring:nth-child(2){width:116px;height:116px}
.mem-ring:nth-child(3){width:176px;height:176px}
.mem-ring:nth-child(4){width:236px;height:236px}
.mem-core{width:14px;height:14px;box-shadow:0 0 26px var(--acg)}
.shield-viz{position:relative}
.shield-viz::before,.shield-viz::after{content:'';position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.16)}
.shield-viz::before{width:220px;height:220px}
.shield-viz::after{width:320px;height:320px;opacity:.46}
.shield-hex{width:96px;height:112px}
.shield-hex::after{inset:12px}
.shield-check{font-size:1.7rem}
.bolt-viz::before{content:'';position:absolute;width:320px;height:2px;background:linear-gradient(90deg,transparent,var(--ac),transparent);opacity:.42;transform:rotate(-18deg)}
.bolt-core{font-size:3.2rem;filter:drop-shadow(0 0 18px var(--acg))}
.bolt-ring{width:132px;height:132px}

@media(max-width:1100px){
  .layers-stage{height:min(62vh,560px)}
}
@media(max-width:900px){
  .layers-section{min-height:320vh}
  .layers-shell{padding:4.5rem 0 3rem}
  .layers-stage{min-height:420px;height:min(58vh,460px)}
  .layers-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layer-card{inset:11% 6% 12%}
  .layer-name{font-size:clamp(1.15rem,4.2vw,1.8rem)}
  .layer-desc{font-size:.9rem}
}
@media(max-width:480px){
  .layers-nav{grid-template-columns:1fr}
  .layers-stage{min-height:360px;height:360px;border-radius:28px}
  .layer-card{inset:12% 5% 13%;gap:1rem}
  .layer-card::before{font-size:3.8rem;top:.7rem;inset-inline-start:.9rem}
  .layer-viz{border-radius:24px}
}
.capabilities-old{display:none!important}
.capabilities{padding:8rem 0 7rem;background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 18%,var(--bg) 100%);position:relative;overflow:hidden}
.capabilities::before{content:'';position:absolute;top:8%;left:50%;transform:translateX(-50%);width:min(980px,88vw);height:320px;background:radial-gradient(circle,var(--orb1),transparent 68%);filter:blur(36px);opacity:.78;pointer-events:none}
.exp-wrap{position:relative;z-index:2}
.exp-header{text-align:center;max-width:760px;margin:0 auto 3.4rem}
.exp-eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ac);margin-bottom:.8rem}
.exp-title{font-size:clamp(1.9rem,4vw,3.4rem);font-weight:700;letter-spacing:-.05em;line-height:1.04;margin-bottom:1rem}
.exp-sub{font-size:1rem;color:var(--t3);line-height:1.85;max-width:580px;margin:0 auto}
.exp-stage{position:relative;min-height:680px;border-radius:40px;border:1px solid var(--bd);background:linear-gradient(180deg,rgba(255,255,255,.2),rgba(255,255,255,.05));backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);overflow:hidden;box-shadow:var(--she)}
[data-theme="dark"] .exp-stage{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01))}
.exp-stage::before{content:'';position:absolute;inset:4% 10% auto;width:80%;height:45%;background:radial-gradient(circle,rgba(123,141,160,.24),transparent 62%);filter:blur(28px);opacity:.92;pointer-events:none}
[data-theme="dark"] .exp-stage::before{background:radial-gradient(circle,rgba(146,162,179,.16),transparent 64%)}
.exp-stage::after{content:'';position:absolute;inset:20px;border-radius:28px;border:1px solid rgba(255,255,255,.16);opacity:.7;pointer-events:none}
[data-theme="dark"] .exp-stage::after{border-color:rgba(255,255,255,.05)}
.exp-grid{position:absolute;inset:0;background:linear-gradient(transparent 0,transparent calc(50% - .5px),rgba(255,255,255,.1) 50%,transparent calc(50% + .5px),transparent 100%),linear-gradient(90deg,transparent 0,transparent calc(50% - .5px),rgba(255,255,255,.08) 50%,transparent calc(50% + .5px),transparent 100%),repeating-linear-gradient(transparent 0,transparent 88px,rgba(255,255,255,.05) 89px),repeating-linear-gradient(90deg,transparent 0,transparent 88px,rgba(255,255,255,.05) 89px);opacity:.28;pointer-events:none}
.exp-prompt{position:absolute;top:15%;left:50%;transform:translateX(-50%);width:min(680px,calc(100% - 3rem));padding:1rem 1.2rem 1rem 1.4rem;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:linear-gradient(180deg,rgba(255,255,255,.46),rgba(255,255,255,.14));backdrop-filter:blur(20px);display:flex;align-items:center;gap:.9rem;box-shadow:0 24px 60px rgba(38,33,26,.08)}
[data-theme="dark"] .exp-prompt{border-color:rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02))}
.exp-prompt-dot{width:9px;height:9px;border-radius:50%;background:var(--ac);box-shadow:0 0 14px var(--acg);flex-shrink:0;animation:pulse 2s ease-in-out infinite}
.exp-prompt-text{font-size:1rem;font-weight:600;letter-spacing:-.02em}
.exp-orbit{position:absolute;border-radius:999px;border:1px solid rgba(255,255,255,.16);pointer-events:none}
[data-theme="dark"] .exp-orbit{border-color:rgba(255,255,255,.06)}
.exp-orbit.o1{inset:18% 14% auto;width:72%;height:42%;transform:rotate(-8deg)}
.exp-orbit.o2{inset:26% 24% auto;width:52%;height:30%;transform:rotate(6deg)}
.exp-trace{position:absolute;width:min(260px,42vw);padding:1.05rem 1.1rem;border-radius:24px;border:1px solid rgba(255,255,255,.22);background:linear-gradient(180deg,rgba(255,255,255,.44),rgba(255,255,255,.12));backdrop-filter:blur(18px);box-shadow:0 18px 46px rgba(38,33,26,.08);animation:traceFloat 8s ease-in-out infinite}
[data-theme="dark"] .exp-trace{border-color:rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02))}
.exp-trace.t1{top:28%;left:7%}
.exp-trace.t2{top:33%;right:8%;animation-delay:-1.6s}
.exp-trace.t3{bottom:28%;left:11%;animation-delay:-3.1s}
.exp-trace.t4{bottom:25%;right:10%;animation-delay:-4.4s}
.trace-k{display:block;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ac);margin-bottom:.45rem}
.trace-p{font-size:.88rem;color:var(--t2);line-height:1.75}
.exp-answer{position:absolute;left:50%;bottom:7%;transform:translateX(-50%);width:min(560px,calc(100% - 2.4rem));padding:1.45rem 1.5rem 1.3rem;border-radius:30px;border:1px solid rgba(255,255,255,.3);background:linear-gradient(180deg,rgba(255,255,255,.66),rgba(255,255,255,.18));backdrop-filter:blur(24px);box-shadow:0 28px 80px rgba(38,33,26,.12)}
[data-theme="dark"] .exp-answer{border-color:rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.025))}
.exp-answer-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.75rem}
.exp-answer-badge{font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ac)}
.exp-answer-brand{font-size:.78rem;font-weight:700;color:var(--t4)}
.exp-answer-body{font-size:1rem;font-weight:600;letter-spacing:-.02em;line-height:1.8;margin-bottom:1rem}
.exp-answer-tags{display:flex;flex-wrap:wrap;gap:.5rem}
.exp-tag{padding:.45rem .75rem;border-radius:999px;border:1px solid var(--bd);background:rgba(255,255,255,.26);font-size:.72rem;font-weight:600;color:var(--t2)}
[data-theme="dark"] .exp-tag{background:rgba(255,255,255,.04)}
.exp-footer{display:flex;justify-content:space-between;align-items:flex-start;gap:1.6rem;max-width:980px;margin:1.5rem auto 0;padding-top:1.1rem;border-top:1px solid var(--bd)}
.exp-footer-copy{font-size:.92rem;color:var(--t3);max-width:520px;line-height:1.8}
.exp-footer-line{display:flex;align-items:center;gap:.8rem;color:var(--t2);font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.exp-footer-line::before{content:'';width:72px;height:1px;background:linear-gradient(90deg,var(--ac),transparent)}
@keyframes traceFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(max-width:980px){
  .exp-stage{min-height:720px}
  .exp-trace{width:min(220px,42vw)}
}
@media(max-width:760px){
  .exp-stage{min-height:860px;padding-top:0}
  .exp-prompt{top:9%;width:min(92%,680px)}
  .exp-orbit.o1{inset:18% 6% auto;width:88%;height:32%}
  .exp-orbit.o2{inset:28% 16% auto;width:68%;height:22%}
  .exp-trace{width:calc(100% - 2.2rem)}
  .exp-trace.t1{top:24%;left:1.1rem}
  .exp-trace.t2{top:40%;right:1.1rem}
  .exp-trace.t3{bottom:28%;left:1.1rem}
  .exp-trace.t4{bottom:15%;right:1.1rem}
  .exp-answer{bottom:3%}
  .exp-footer{flex-direction:column}
}
@media(max-width:520px){
  .capabilities{padding:6.5rem 0 6rem}
  .exp-title{font-size:clamp(1.7rem,9vw,2.5rem)}
  .exp-sub{font-size:.94rem}
  .exp-stage{min-height:900px;border-radius:28px}
  .exp-stage::after{inset:14px;border-radius:20px}
  .exp-prompt{padding:.85rem 1rem}
  .exp-prompt-text{font-size:.9rem}
  .exp-answer{padding:1.15rem 1.1rem 1rem}
  .exp-answer-body{font-size:.92rem}
}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--acb);border-radius:999px}

/* Stable Layers Redesign */
.layers-section{min-height:auto;padding:7rem 0;background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 48%,var(--bg) 100%);position:relative;overflow:hidden}
.layers-section::before{content:'';position:absolute;inset:5rem 12% auto;height:26rem;background:radial-gradient(circle,rgba(123,141,160,.18),transparent 68%);filter:blur(28px);pointer-events:none}
[data-theme="dark"] .layers-section::before{background:radial-gradient(circle,rgba(146,162,179,.11),transparent 70%)}
.layers-shell{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:2.4rem;align-items:stretch;width:100%;padding:0}
.layers-text,.layers-text.visible{max-width:760px;margin:0 auto;text-align:center;opacity:1;transform:none;pointer-events:auto}
.layers-text .layers-eyebrow,.layers-text .layers-title,.layers-text .layers-sub,.layers-text.visible .layers-eyebrow,.layers-text.visible .layers-title,.layers-text.visible .layers-sub{opacity:1;transform:none;transition:none}
.layers-eyebrow{font-size:.76rem;font-weight:700;color:var(--ac);text-transform:uppercase;letter-spacing:0;margin-bottom:.7rem}
.layers-title{font-size:2.55rem;font-weight:750;letter-spacing:0;line-height:1.12;margin:0}
.layers-sub{font-size:1rem;color:var(--t3);max-width:620px;margin:.85rem auto 0;line-height:1.85}
.layers-board{display:flex;flex-direction:column;gap:1.25rem;align-items:stretch}
.layers-nav{order:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;max-width:none;margin:0;width:100%;grid-column:auto;grid-row:auto}
.layer-step{min-height:116px;width:100%;display:grid;grid-template-columns:auto minmax(0,1fr);gap:.95rem;align-items:start;padding:1rem 1.05rem;border-radius:18px;border:1px solid var(--bd);background:linear-gradient(180deg,rgba(255,255,255,.24),rgba(255,255,255,.06));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:none;color:var(--t2);font:inherit;text-align:start;cursor:pointer;transition:background .22s ease,border-color .22s ease,transform .22s ease,color .22s ease}
[data-theme="dark"] .layer-step{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.012))}
.layer-step::before{display:none!important}
.layer-step:hover{transform:translateY(-1px);border-color:var(--acb)}
.layer-step.is-active{background:linear-gradient(135deg,var(--acs),rgba(255,255,255,.1));border-color:var(--acb);box-shadow:0 18px 44px rgba(38,33,26,.07);color:var(--t1)}
[data-theme="dark"] .layer-step.is-active{background:linear-gradient(135deg,var(--acs),rgba(255,255,255,.025));box-shadow:0 24px 60px rgba(0,0,0,.22)}
.layer-step:focus-visible{outline:2px solid var(--ac);outline-offset:3px}
.layer-step-index{width:2.35rem;height:2.35rem;display:grid;place-items:center;border-radius:999px;background:var(--acs);border:1px solid var(--acb);font-size:.72rem;font-weight:800;letter-spacing:0;color:var(--ac);opacity:1}
.layer-step-copy{display:grid;gap:.16rem;min-width:0}
.layer-step-label{font-size:.68rem;font-weight:700;color:var(--t4);letter-spacing:0;text-transform:uppercase}
.layer-step-name{font-size:1rem;font-weight:750;line-height:1.35;color:inherit;letter-spacing:0}
.layer-step-desc{font-size:.82rem;color:var(--t3);line-height:1.65;overflow-wrap:anywhere}
.layers-showcase{order:2;grid-column:auto;grid-row:auto;min-height:500px;display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);grid-template-rows:minmax(0,1fr) auto;gap:1rem;padding:1.2rem;border:1px solid var(--bd);border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.32),rgba(255,255,255,.08));box-shadow:var(--sh);overflow:hidden;position:relative;isolation:isolate}
[data-theme="dark"] .layers-showcase{background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.014))}
.layers-showcase::before{content:'';position:absolute;inset:-8rem auto auto -6rem;width:20rem;height:20rem;border-radius:999px;background:var(--orb1);filter:blur(32px);opacity:.7;z-index:-1}
.layers-showcase-copy{display:grid;align-content:center;gap:.35rem;padding:1.2rem}
.layers-showcase .layer-label{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:0;color:var(--ac);margin:0;opacity:1;padding:0}
.layers-showcase .layer-name{font-size:2rem;font-weight:780;letter-spacing:0;line-height:1.16;margin:0;color:var(--t1);padding:0}
.layers-showcase .layer-desc{font-size:1rem;color:var(--t2);line-height:1.8;max-width:48ch;padding:0}
.layers-art{grid-column:2;grid-row:1;position:relative;min-height:420px;border-radius:24px;border:1px solid rgba(255,255,255,.28);background:linear-gradient(180deg,rgba(255,255,255,.28),rgba(255,255,255,.06));overflow:hidden}
[data-theme="dark"] .layers-art{border-color:rgba(255,255,255,.07);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012))}
.layers-art::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(38,33,26,.08));pointer-events:none}
[data-theme="dark"] .layers-art::after{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,.18))}
.layer-pane{position:absolute;inset:0;margin:0;opacity:0;transform:translateY(10px) scale(.985);transition:opacity .28s ease,transform .28s ease;pointer-events:none}
.layer-pane.is-active{opacity:1;transform:translateY(0) scale(1)}
.layers-art .layer-media{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;object-position:center;filter:saturate(.98) contrast(1.02);transform:none;transition:none;padding:1.1rem;z-index:1}
.layer-visual{position:absolute;inset:1rem;border-radius:22px;overflow:hidden;isolation:isolate;background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.72),rgba(255,255,255,.18) 38%,rgba(255,255,255,.04) 72%),linear-gradient(145deg,var(--acs),rgba(255,255,255,.08));border:1px solid rgba(255,255,255,.28)}
[data-theme="dark"] .layer-visual{background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.08),rgba(255,255,255,.025) 45%,rgba(255,255,255,.008) 78%),linear-gradient(145deg,var(--acs),rgba(255,255,255,.015));border-color:rgba(255,255,255,.07)}
.layer-visual::before{content:'';position:absolute;inset:10%;border-radius:999px;background:radial-gradient(circle,var(--acg),transparent 62%);filter:blur(20px);opacity:.85}
.layer-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 0,transparent calc(50% - .5px),rgba(255,255,255,.16) 50%,transparent calc(50% + .5px),transparent 100%),linear-gradient(90deg,transparent 0,transparent calc(50% - .5px),rgba(255,255,255,.11) 50%,transparent calc(50% + .5px),transparent 100%);opacity:.26;pointer-events:none}
.viz-ring,.intent-thread,.intent-dot,.intent-core,.intent-cursor,.memory-core,.memory-orbit,.memory-path,.memory-node,.verify-aura,.verify-shield,.verify-check,.verify-scan,.verify-tick,.verify-lock,.execute-lane,.execute-step,.execute-pulse,.execute-bolt{position:absolute;z-index:2}
.viz-ring{inset:50%;border:1px solid var(--acb);border-radius:999px;transform:translate(-50%,-50%);animation:vizBreathe 5.6s ease-in-out infinite}
.viz-ring.r1{width:36%;height:36%}.viz-ring.r2{width:58%;height:58%;animation-delay:-1.4s}.viz-ring.r3{width:80%;height:80%;animation-delay:-2.8s}
.intent-core{width:4.8rem;height:4.8rem;left:50%;top:50%;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle at 42% 35%,#fff,var(--acm) 42%,var(--as) 74%);box-shadow:0 0 0 12px var(--acs),0 22px 60px var(--acg);animation:intentCore 4s ease-in-out infinite}
.intent-thread{height:1px;left:50%;top:50%;width:36%;transform-origin:left center;background:linear-gradient(90deg,var(--ac),transparent);animation:intentThread 4.4s ease-in-out infinite}
.intent-thread.t1{transform:rotate(-42deg)}.intent-thread.t2{transform:rotate(18deg);animation-delay:-1.2s}.intent-thread.t3{transform:rotate(132deg);animation-delay:-2.4s}
.intent-dot{width:.55rem;height:.55rem;border-radius:50%;background:#fff;border:2px solid var(--acm);box-shadow:0 0 18px var(--acg);animation:intentDot 3.4s ease-in-out infinite}
.intent-dot.d1{left:22%;top:28%}.intent-dot.d2{right:21%;top:33%;animation-delay:-.8s}.intent-dot.d3{left:28%;bottom:24%;animation-delay:-1.6s}.intent-dot.d4{right:27%;bottom:27%;animation-delay:-2.4s}
.intent-cursor{width:1.9rem;height:.5rem;left:50%;top:50%;border-radius:999px;background:var(--ac);transform-origin:-4.2rem center;animation:intentCursor 5.6s linear infinite}
.memory-core{width:3.8rem;height:3.8rem;left:50%;top:50%;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle at 40% 35%,#fff,var(--acm) 45%,var(--as));box-shadow:0 0 0 12px var(--acs),0 0 52px var(--acg);animation:memoryGlow 4.2s ease-in-out infinite}
.memory-orbit{left:50%;top:50%;border:1px solid var(--acb);border-radius:50%;transform:translate(-50%,-50%);animation:memoryOrbit 14s linear infinite}
.memory-orbit.o1{width:34%;height:34%}.memory-orbit.o2{width:58%;height:44%;animation-duration:18s;animation-direction:reverse}.memory-orbit.o3{width:78%;height:66%;animation-duration:24s}
.memory-path{height:1px;left:50%;top:50%;width:32%;transform-origin:left center;background:linear-gradient(90deg,var(--acm),transparent);opacity:.62;animation:memorySignal 3.8s ease-in-out infinite}
.memory-path.p1{transform:rotate(28deg)}.memory-path.p2{transform:rotate(150deg);animation-delay:-1.2s}.memory-path.p3{transform:rotate(-92deg);animation-delay:-2.4s}
.memory-node{width:2rem;height:2rem;border-radius:12px;border:1px solid var(--acb);background:rgba(255,255,255,.58);box-shadow:0 16px 38px rgba(38,33,26,.08);animation:memoryNode 5s ease-in-out infinite}
[data-theme="dark"] .memory-node{background:rgba(255,255,255,.05)}
.memory-node::after{content:'';position:absolute;inset:.55rem;border-radius:50%;background:var(--acm)}
.memory-node.n1{left:23%;top:24%}.memory-node.n2{right:21%;top:28%;animation-delay:-.7s}.memory-node.n3{left:18%;bottom:29%;animation-delay:-1.4s}.memory-node.n4{right:25%;bottom:22%;animation-delay:-2.1s}.memory-node.n5{left:50%;top:16%;animation-delay:-2.8s}
.verify-aura{width:16rem;height:16rem;left:50%;top:50%;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,var(--acs),transparent 68%);animation:verifyAura 5s ease-in-out infinite}
.verify-shield{width:8.8rem;height:10.2rem;left:50%;top:50%;transform:translate(-50%,-50%);clip-path:polygon(50% 0,86% 12%,86% 55%,50% 100%,14% 55%,14% 12%);background:linear-gradient(145deg,rgba(255,255,255,.7),var(--acs));border:1px solid var(--acb);box-shadow:0 28px 70px rgba(38,33,26,.1)}
[data-theme="dark"] .verify-shield{background:linear-gradient(145deg,rgba(255,255,255,.1),var(--acs))}
.verify-check{width:3.3rem;height:1.75rem;left:50%;top:52%;border-left:4px solid var(--ac);border-bottom:4px solid var(--ac);transform:translate(-50%,-50%) rotate(-45deg);border-radius:0 0 0 8px;animation:verifyCheck 4.2s ease-in-out infinite}
.verify-scan{left:22%;right:22%;height:2px;top:28%;border-radius:999px;background:linear-gradient(90deg,transparent,var(--ac),transparent);box-shadow:0 0 22px var(--acg);animation:verifyScan 3.2s ease-in-out infinite}
.verify-tick{width:2.5rem;height:2.5rem;border-radius:14px;background:rgba(255,255,255,.62);border:1px solid var(--acb);box-shadow:0 14px 34px rgba(38,33,26,.08)}
[data-theme="dark"] .verify-tick{background:rgba(255,255,255,.05)}
.verify-tick::after{content:'';position:absolute;width:.9rem;height:.45rem;left:50%;top:50%;border-left:2px solid var(--ac);border-bottom:2px solid var(--ac);transform:translate(-50%,-60%) rotate(-45deg)}
.verify-tick.k1{left:22%;top:24%;animation:verifyTick 4s ease-in-out infinite}.verify-tick.k2{right:20%;top:34%;animation:verifyTick 4s ease-in-out infinite -.9s}.verify-tick.k3{left:24%;bottom:22%;animation:verifyTick 4s ease-in-out infinite -1.8s}
.verify-lock{width:2.2rem;height:2.2rem;right:26%;bottom:24%;border-radius:12px;border:1px solid var(--acb);background:var(--acs);animation:verifyTick 4s ease-in-out infinite -2.4s}.verify-lock.l2{right:auto;left:30%;bottom:34%;animation-delay:-3s}
.verify-lock::before{content:'';position:absolute;width:.85rem;height:.7rem;left:50%;top:.35rem;border:2px solid var(--ac);border-bottom:0;border-radius:.6rem .6rem 0 0;transform:translateX(-50%)}.verify-lock::after{content:'';position:absolute;left:50%;bottom:.45rem;width:.7rem;height:.7rem;border-radius:.2rem;background:var(--ac);transform:translateX(-50%)}
.execute-lane{left:16%;right:16%;height:2px;border-radius:999px;background:linear-gradient(90deg,transparent,var(--acb),transparent)}
.execute-lane.lane1{top:32%}.execute-lane.lane2{top:50%}.execute-lane.lane3{top:68%}
.execute-step{width:3.4rem;height:3.4rem;border-radius:18px;border:1px solid var(--acb);background:rgba(255,255,255,.62);box-shadow:0 18px 42px rgba(38,33,26,.08);animation:executeStep 4.5s ease-in-out infinite}
[data-theme="dark"] .execute-step{background:rgba(255,255,255,.05)}
.execute-step::after{content:'';position:absolute;inset:.9rem;border-radius:8px;background:linear-gradient(135deg,var(--acm),var(--ac))}
.execute-step.s1{left:18%;top:24%}.execute-step.s2{left:42%;top:42%;animation-delay:-.7s}.execute-step.s3{right:18%;top:24%;animation-delay:-1.4s}.execute-step.s4{right:28%;bottom:18%;animation-delay:-2.1s}
.execute-pulse{width:1rem;height:1rem;border-radius:50%;background:var(--ac);box-shadow:0 0 22px var(--acg);animation:executePulse 5.4s cubic-bezier(.4,0,.2,1) infinite}
.execute-bolt{width:4rem;height:6rem;left:50%;top:50%;transform:translate(-50%,-50%);clip-path:polygon(55% 0,18% 48%,48% 48%,38% 100%,82% 38%,54% 38%);background:linear-gradient(180deg,var(--acm),var(--ac));filter:drop-shadow(0 22px 34px var(--acg));animation:executeBolt 4s ease-in-out infinite}
.layers-flow{grid-column:1 / -1;grid-row:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.55rem}
.layers-flow span{height:4px;border-radius:999px;background:var(--bd);overflow:hidden;position:relative}
.layers-flow span::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--ac),var(--acm));transform:scaleX(0);transform-origin:right center;transition:transform .25s ease}
[dir="ltr"] .layers-flow span::before{transform-origin:left center}
.layers-flow span.is-active::before{transform:scaleX(1)}

@media(max-width:980px){
  .layers-section{padding:6rem 0}
  .layers-title{font-size:2.15rem}
  .layers-board{flex-direction:column}
  .layers-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layers-showcase{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr) auto;min-height:560px}
  .layers-art{grid-column:1;grid-row:2}
  .layers-flow{grid-column:1;grid-row:3}
}
@media(max-width:620px){
  .layers-section{padding:5rem 0}
  .layers-title{font-size:1.85rem}
  .layers-sub{font-size:.94rem}
  .layers-board{gap:1rem}
  .layers-nav{grid-template-columns:1fr}
  .layer-step{min-height:auto;padding:.95rem;border-radius:16px}
  .layer-step-desc{font-size:.8rem}
  .layers-showcase{min-height:500px;padding:1rem;border-radius:22px}
  .layers-showcase .layer-name{font-size:1.55rem}
  .layers-showcase .layer-desc{font-size:.92rem}
  .layers-art{min-height:310px;border-radius:18px}
  .layer-visual{inset:.65rem;border-radius:18px}
}

/* Mobile scene stabilization */
@media(max-width:760px){
  .exp-stage{min-height:auto;display:grid;gap:.95rem;padding:1rem;border-radius:28px;overflow:hidden}
  .exp-stage::after{inset:12px;border-radius:20px}
  .exp-grid{opacity:.16}
  .exp-orbit{display:none}
  .exp-prompt,.exp-trace,.exp-answer{position:relative;inset:auto!important;top:auto!important;right:auto!important;bottom:auto!important;left:auto!important;transform:none!important;width:100%!important;max-width:none;z-index:2}
  .exp-prompt{border-radius:22px;padding:.95rem 1rem;align-items:flex-start}
  .exp-trace{box-shadow:0 14px 34px rgba(38,33,26,.06);animation:none}
  .exp-answer{padding:1.15rem;border-radius:24px}
  .exp-answer-head{align-items:flex-start;margin-bottom:.7rem}
  .exp-answer-body{font-size:.95rem;line-height:1.75;margin-bottom:.9rem}
  .exp-answer-tags{gap:.5rem}
  .exp-tag{font-size:.7rem}
}

@keyframes vizBreathe{0%,100%{opacity:.35;transform:translate(-50%,-50%) scale(.92)}50%{opacity:.82;transform:translate(-50%,-50%) scale(1.05)}}
@keyframes intentCore{0%,100%{transform:translate(-50%,-50%) scale(.96)}50%{transform:translate(-50%,-50%) scale(1.06)}}
@keyframes intentThread{0%,100%{opacity:.18;width:25%}50%{opacity:.86;width:42%}}
@keyframes intentDot{0%,100%{transform:scale(.86);opacity:.55}50%{transform:scale(1.18);opacity:1}}
@keyframes intentCursor{to{transform:rotate(360deg) translateX(4.2rem)}}
@keyframes memoryGlow{0%,100%{transform:translate(-50%,-50%) scale(.98)}50%{transform:translate(-50%,-50%) scale(1.08)}}
@keyframes memoryOrbit{to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes memorySignal{0%,100%{opacity:.18;width:20%}50%{opacity:.78;width:40%}}
@keyframes memoryNode{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes verifyAura{0%,100%{opacity:.5;transform:translate(-50%,-50%) scale(.92)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.04)}}
@keyframes verifyCheck{0%,100%{opacity:.76;transform:translate(-50%,-50%) rotate(-45deg) scale(.94)}50%{opacity:1;transform:translate(-50%,-50%) rotate(-45deg) scale(1.08)}}
@keyframes verifyScan{0%,100%{top:28%;opacity:.15}50%{top:72%;opacity:.9}}
@keyframes verifyTick{0%,100%{transform:translateY(0);opacity:.62}50%{transform:translateY(-6px);opacity:1}}
@keyframes executeStep{0%,100%{transform:translateY(0);opacity:.72}50%{transform:translateY(-7px);opacity:1}}
@keyframes executePulse{0%{left:18%;top:30%}28%{left:45%;top:48%}56%{left:70%;top:30%}78%{left:60%;top:68%}100%{left:18%;top:30%}}
@keyframes executeBolt{0%,100%{opacity:.58;transform:translate(-50%,-50%) scale(.92)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.04)}}
@media(prefers-reduced-motion:reduce){
  .layer-visual *{animation:none!important}
  .layer-pane{transition:none!important}
}