/* SOVRA AI v4 — cinematic sovereign-intelligence presentation layer */
:root{
  --sv4-bg:#03060b;
  --sv4-bg-2:#07101d;
  --sv4-panel:#0a1321;
  --sv4-panel-2:#0d192a;
  --sv4-line:rgba(143,180,224,.16);
  --sv4-line-strong:rgba(121,178,255,.32);
  --sv4-text:#f5f8ff;
  --sv4-muted:#8ea1ba;
  --sv4-muted-2:#62738b;
  --sv4-cyan:#50dcff;
  --sv4-blue:#4d83ff;
  --sv4-violet:#8d68ff;
  --sv4-magenta:#e557ff;
  --sv4-green:#4ce8ac;
  --sv4-amber:#ffc866;
  --sv4-red:#ff6b75;
  --sv4-radius:28px;
  --sv4-radius-sm:18px;
  --sv4-shadow:0 42px 120px rgba(0,0,0,.42);
  --sv4-display:"Space Grotesk","Inter",system-ui,sans-serif;
  --sv4-body:"Inter",system-ui,sans-serif;
}

html{scroll-behavior:smooth;background:var(--sv4-bg)}
body.sv4-ready{margin:0;background:var(--sv4-bg);color:var(--sv4-text);font-family:var(--sv4-body);overflow-x:hidden}
body.sv4-ready *{box-sizing:border-box}
body.sv4-ready a{color:inherit;text-decoration:none}
body.sv4-ready button,body.sv4-ready input,body.sv4-ready textarea,body.sv4-ready select{font:inherit}
body.sv4-ready ::selection{background:rgba(80,220,255,.25);color:#fff}

.sv4-container{width:min(1480px,calc(100% - 40px));margin-inline:auto}
.sv4-main{position:relative;isolation:isolate;background:var(--sv4-bg)}
.sv4-main:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-3;background:
  radial-gradient(circle at 18% 4%,rgba(76,131,255,.13),transparent 32%),
  radial-gradient(circle at 78% 18%,rgba(141,104,255,.11),transparent 30%),
  linear-gradient(180deg,#03060b 0%,#050b14 48%,#03060b 100%)}
.sv4-noise{position:fixed;inset:0;pointer-events:none;z-index:1000;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.52'/%3E%3C/svg%3E")}

/* Header */
.sv4-header{position:fixed;top:0;left:0;right:0;z-index:900;padding:14px 0;transition:background .3s,border-color .3s,backdrop-filter .3s}
.sv4-header.is-scrolled{background:rgba(3,6,11,.72);border-bottom:1px solid rgba(143,180,224,.1);backdrop-filter:blur(22px) saturate(150%)}
.sv4-nav{display:flex;align-items:center;gap:22px;min-height:58px}
.sv4-brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.sv4-brand-mark{position:relative;width:42px;height:42px;border-radius:14px;background:conic-gradient(from 130deg,var(--sv4-cyan),var(--sv4-blue),var(--sv4-violet),var(--sv4-magenta),var(--sv4-cyan));box-shadow:0 0 40px rgba(80,220,255,.15)}
.sv4-brand-mark:before,.sv4-brand-mark:after{content:"";position:absolute;border-radius:50%;inset:8px;border:1px solid rgba(255,255,255,.72)}
.sv4-brand-mark:after{inset:16px;background:#fff;border:0;box-shadow:0 0 18px #fff}
.sv4-brand-name{font-family:var(--sv4-display);font-size:20px;font-weight:640;letter-spacing:.11em;white-space:nowrap}
.sv4-brand-name b{font-size:10px;vertical-align:super;margin-left:4px;color:var(--sv4-cyan);letter-spacing:.06em}
.sv4-nav-links{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0;flex:1 1 auto}
.sv4-nav-links a{padding:10px 10px;border-radius:12px;color:#a8b6c9;font-size:12.5px;font-weight:620;white-space:nowrap;transition:.2s}
.sv4-nav-links a:hover,.sv4-nav-links a.active{color:#fff;background:rgba(255,255,255,.055)}
.sv4-nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.sv4-sale{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid rgba(76,232,172,.22);border-radius:999px;color:#dffdf2;background:rgba(76,232,172,.055);font-size:11px;font-weight:700;white-space:nowrap}
.sv4-sale i{width:6px;height:6px;border-radius:50%;background:var(--sv4-green);box-shadow:0 0 0 5px rgba(76,232,172,.07)}
.sv4-language{height:36px;max-width:116px;border:1px solid var(--sv4-line);border-radius:999px;background:rgba(255,255,255,.035);color:#c9d5e5;padding:0 30px 0 11px;font-size:11px;outline:none}
.sv4-contact-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 15px;border-radius:999px;background:#f7faff;color:#07101d;font-size:11px;font-weight:800;white-space:nowrap;transition:.2s}
.sv4-contact-btn:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(255,255,255,.12)}
.sv4-menu-btn{display:none;width:42px;height:42px;border:1px solid var(--sv4-line);border-radius:14px;background:rgba(255,255,255,.035);color:#fff}
.sv4-mobile{display:none}

/* Typography & shared sections */
.sv4-kicker{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:#90bfff;font-size:11px;font-weight:800;letter-spacing:.17em;text-transform:uppercase}
.sv4-kicker:before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--sv4-cyan),transparent)}
.sv4-display{font-family:var(--sv4-display);font-weight:510;letter-spacing:-.052em;line-height:.92}
.sv4-gradient-text{background:linear-gradient(105deg,#fff 5%,#c9eaff 40%,#85a5ff 68%,#c58cff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.sv4-section{position:relative;padding:124px 0}
.sv4-section.soft{background:linear-gradient(180deg,rgba(9,17,29,.72),rgba(5,10,18,.34));border-top:1px solid rgba(143,180,224,.08);border-bottom:1px solid rgba(143,180,224,.08)}
.sv4-section-head{max-width:820px;margin-bottom:54px}
.sv4-section-head.center{text-align:center;margin-inline:auto;margin-bottom:62px}
.sv4-section-head.center .sv4-kicker{justify-content:center}
.sv4-section-head h2{margin:0;font-family:var(--sv4-display);font-size:clamp(38px,5.8vw,76px);line-height:.98;letter-spacing:-.055em;font-weight:520;color:#f7f9ff}
.sv4-section-head p{max-width:720px;margin:22px 0 0;color:var(--sv4-muted);font-size:17px;line-height:1.75}
.sv4-section-head.center p{margin-inline:auto}
.sv4-eyebrow-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:24px}
.sv4-chip{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border:1px solid var(--sv4-line);border-radius:999px;background:rgba(255,255,255,.025);color:#8fa5bf;font-size:10px;font-weight:750;letter-spacing:.04em}

/* Buttons */
.sv4-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:34px}
.sv4-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 18px;border-radius:999px;font-size:12px;font-weight:800;transition:.2s;border:1px solid transparent}
.sv4-btn.primary{background:#f7faff;color:#07101d}
.sv4-btn.secondary{border-color:var(--sv4-line-strong);background:rgba(255,255,255,.025);color:#e8f1ff}
.sv4-btn.glow{border-color:rgba(80,220,255,.26);background:linear-gradient(180deg,rgba(80,220,255,.11),rgba(77,131,255,.06));color:#d9f8ff;box-shadow:inset 0 0 24px rgba(80,220,255,.045)}
.sv4-btn:hover{transform:translateY(-2px)}
.sv4-btn.primary:hover{box-shadow:0 16px 40px rgba(220,235,255,.12)}

/* Homepage hero */
.sv4-hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:130px 0 72px;overflow:hidden}
.sv4-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:210px;background:linear-gradient(transparent,var(--sv4-bg));pointer-events:none}
.sv4-hero-grid{display:grid;grid-template-columns:minmax(0,.88fr) minmax(520px,1.12fr);gap:46px;align-items:center;position:relative;z-index:2}
.sv4-hero-copy h1{margin:0;max-width:780px;font-family:var(--sv4-display);font-size:clamp(64px,8.8vw,138px);font-weight:470;line-height:.82;letter-spacing:-.075em}
.sv4-hero-copy .sub{display:block;margin-top:18px;font-family:var(--sv4-display);font-size:clamp(25px,3vw,44px);line-height:1.1;letter-spacing:-.035em;color:#c6d3e5}
.sv4-hero-copy .lead{max-width:690px;margin:25px 0 0;color:#9aacbf;font-size:17px;line-height:1.7}
.sv4-hero-micro{display:flex;align-items:center;gap:14px;margin-top:26px;color:#70839d;font-size:10px;letter-spacing:.07em;text-transform:uppercase;font-weight:800}
.sv4-hero-micro span{display:flex;align-items:center;gap:7px}.sv4-hero-micro i{display:block;width:5px;height:5px;border-radius:50%;background:var(--sv4-green)}
.sv4-hero-visual{position:relative;height:min(74vh,760px);min-height:600px;border-radius:36px;overflow:hidden;border:1px solid rgba(124,169,229,.15);background:
  radial-gradient(circle at 50% 48%,rgba(77,131,255,.12),transparent 28%),
  linear-gradient(155deg,rgba(9,21,38,.68),rgba(5,10,18,.36));box-shadow:var(--sv4-shadow)}
.sv4-hero-visual:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(110,160,220,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(110,160,220,.04) 1px,transparent 1px);background-size:42px 42px;mask-image:radial-gradient(circle at center,#000,transparent 76%)}
.sv4-core-canvas{position:absolute;inset:0;width:100%;height:100%}
.sv4-core-label{position:absolute;inset:auto 26px 24px 26px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;z-index:3}
.sv4-core-label strong{display:block;font-family:var(--sv4-display);font-size:21px;font-weight:550}.sv4-core-label small{display:block;margin-top:5px;color:#6f86a5;font-size:10px;letter-spacing:.08em;text-transform:uppercase}
.sv4-core-readout{display:grid;grid-template-columns:repeat(3,auto);gap:8px}
.sv4-core-readout span{padding:8px 10px;border:1px solid rgba(122,168,227,.14);border-radius:10px;background:rgba(3,8,15,.48);backdrop-filter:blur(8px);color:#86a2c2;font-size:9px}
.sv4-core-readout b{display:block;color:#eaf6ff;font-size:12px;margin-top:2px}
.sv4-float-tag{position:absolute;z-index:3;display:flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid rgba(108,165,237,.18);border-radius:999px;background:rgba(7,15,26,.68);backdrop-filter:blur(12px);color:#9bb2cd;font-size:9px;font-weight:700;box-shadow:0 12px 36px rgba(0,0,0,.24)}
.sv4-float-tag:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sv4-cyan);box-shadow:0 0 14px var(--sv4-cyan)}
.sv4-float-tag.a{top:18%;left:6%;animation:sv4Float 5.8s ease-in-out infinite}.sv4-float-tag.b{top:30%;right:5%;animation:sv4Float 6.6s ease-in-out -1.1s infinite}.sv4-float-tag.c{bottom:24%;left:8%;animation:sv4Float 6.1s ease-in-out -2s infinite}.sv4-float-tag.d{bottom:17%;right:8%;animation:sv4Float 7s ease-in-out -1.7s infinite}

/* Reasoning rail */
.sv4-rail-wrap{padding:0 0 54px}
.sv4-rail{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--sv4-line);border-radius:22px;overflow:hidden;background:rgba(8,15,26,.55);box-shadow:0 30px 80px rgba(0,0,0,.2)}
.sv4-rail-step{position:relative;padding:24px 22px;min-height:116px;border-right:1px solid var(--sv4-line);overflow:hidden}
.sv4-rail-step:last-child{border-right:0}.sv4-rail-step:after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:linear-gradient(90deg,var(--sv4-cyan),var(--sv4-violet));animation:sv4Rail 7s linear infinite}.sv4-rail-step:nth-child(2):after{animation-delay:1.2s}.sv4-rail-step:nth-child(3):after{animation-delay:2.4s}.sv4-rail-step:nth-child(4):after{animation-delay:3.6s}.sv4-rail-step:nth-child(5):after{animation-delay:4.8s}
.sv4-rail-step span{font-family:var(--sv4-display);font-size:11px;color:#5f7a99;letter-spacing:.08em}.sv4-rail-step strong{display:block;margin-top:20px;font-size:13px}.sv4-rail-step small{display:block;margin-top:7px;color:#667a95;line-height:1.45;font-size:10px}

/* Bento */
.sv4-bento{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(150px,auto);gap:14px}
.sv4-bento-card{position:relative;overflow:hidden;padding:28px;border:1px solid var(--sv4-line);border-radius:var(--sv4-radius-sm);background:linear-gradient(150deg,rgba(15,28,47,.82),rgba(7,14,24,.68));box-shadow:inset 0 1px rgba(255,255,255,.025);transition:transform .25s,border-color .25s,background .25s}
.sv4-bento-card:hover{transform:translateY(-3px);border-color:rgba(110,175,255,.28);background:linear-gradient(150deg,rgba(18,34,58,.9),rgba(8,15,27,.74))}
.sv4-bento-card h3{margin:0;font-family:var(--sv4-display);font-size:22px;line-height:1.1;letter-spacing:-.035em;font-weight:550}.sv4-bento-card p{margin:12px 0 0;color:var(--sv4-muted);line-height:1.65;font-size:13px;max-width:530px}
.sv4-bento-card .index{position:absolute;top:24px;right:24px;color:#53657d;font-size:10px;letter-spacing:.08em}
.sv4-bento-card.large{grid-column:span 7;min-height:330px}.sv4-bento-card.tall{grid-column:span 5;grid-row:span 2}.sv4-bento-card.medium{grid-column:span 5;min-height:250px}.sv4-bento-card.small{grid-column:span 4;min-height:210px}.sv4-bento-card.wide{grid-column:span 8;min-height:210px}
.sv4-card-orb{position:absolute;width:260px;height:260px;border-radius:50%;right:-70px;bottom:-95px;border:1px solid rgba(110,174,255,.18);box-shadow:inset 0 0 60px rgba(73,132,255,.08),0 0 80px rgba(80,220,255,.04)}
.sv4-card-orb:before,.sv4-card-orb:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(141,104,255,.15);inset:26px}.sv4-card-orb:after{inset:68px;border-color:rgba(80,220,255,.22);background:radial-gradient(circle,rgba(80,220,255,.08),transparent 65%)}
.sv4-spark{position:absolute;left:28px;right:28px;bottom:26px;height:70px}.sv4-spark svg{width:100%;height:100%}.sv4-spark path{fill:none;stroke:var(--sv4-cyan);stroke-width:1.4;filter:drop-shadow(0 0 4px rgba(80,220,255,.4))}

/* Narrative flow */
.sv4-flow-stage{position:relative;border:1px solid var(--sv4-line);border-radius:32px;overflow:hidden;background:linear-gradient(145deg,rgba(10,21,37,.9),rgba(4,9,16,.8));padding:52px;box-shadow:var(--sv4-shadow)}
.sv4-flow-track{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;position:relative}
.sv4-flow-track:before{content:"";position:absolute;left:7%;right:7%;top:32px;height:1px;background:linear-gradient(90deg,transparent,rgba(80,220,255,.5),rgba(141,104,255,.52),transparent)}
.sv4-flow-node{position:relative;z-index:2;padding:0 6px;text-align:center}.sv4-flow-dot{width:64px;height:64px;margin:0 auto 20px;border:1px solid rgba(116,175,255,.26);border-radius:22px;background:rgba(8,20,35,.92);display:grid;place-items:center;color:#bfeaff;box-shadow:0 0 0 8px rgba(80,220,255,.02),0 12px 35px rgba(0,0,0,.22)}
.sv4-flow-node h3{font-family:var(--sv4-display);font-size:15px;margin:0}.sv4-flow-node p{color:#6f829c;font-size:10px;line-height:1.5;margin:8px auto 0;max-width:170px}.sv4-flow-pulse{position:absolute;top:30px;left:8%;width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 18px var(--sv4-cyan);animation:sv4Signal 7s linear infinite}

/* Decision theatre */
.sv4-theatre{border:1px solid rgba(119,178,255,.21);border-radius:32px;background:linear-gradient(155deg,#071425,#050b13 58%,#091325);overflow:hidden;box-shadow:var(--sv4-shadow)}
.sv4-theatre-top{display:flex;align-items:center;justify-content:space-between;padding:17px 20px;border-bottom:1px solid var(--sv4-line);background:rgba(2,7,12,.35)}
.sv4-theatre-brand{display:flex;align-items:center;gap:9px;font-family:var(--sv4-display);font-size:12px;font-weight:700;letter-spacing:.06em}.sv4-theatre-brand i{width:8px;height:8px;border-radius:50%;background:var(--sv4-green);box-shadow:0 0 16px var(--sv4-green)}
.sv4-theatre-note{color:#627992;font-size:9px;letter-spacing:.08em;text-transform:uppercase}
.sv4-theatre-grid{display:grid;grid-template-columns:230px 1fr;min-height:560px}
.sv4-scenario-list{padding:18px;border-right:1px solid var(--sv4-line);background:rgba(2,8,14,.22)}
.sv4-scenario-list label{display:block;margin:2px 4px 12px;color:#6483a6;font-size:9px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.sv4-scenario-btn{width:100%;text-align:left;padding:14px;border:1px solid transparent;border-radius:13px;background:transparent;color:#7c8fa7;cursor:pointer;margin-bottom:6px;transition:.2s}.sv4-scenario-btn strong{display:block;color:#d8e7f8;font-size:11px}.sv4-scenario-btn small{display:block;margin-top:4px;font-size:9px;line-height:1.35}.sv4-scenario-btn.active{background:linear-gradient(120deg,rgba(63,132,255,.2),rgba(141,104,255,.1));border-color:rgba(101,163,255,.28);color:#a7c5e8}
.sv4-theatre-main{padding:18px;min-width:0}.sv4-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.sv4-metric{padding:15px;border:1px solid var(--sv4-line);border-radius:14px;background:rgba(10,24,42,.58)}.sv4-metric span{display:block;color:#617994;font-size:8px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.sv4-metric strong{display:block;margin-top:7px;font-family:var(--sv4-display);font-size:25px;font-weight:520;color:#f5faff}.sv4-metric small{display:block;margin-top:6px;color:var(--sv4-green);font-size:8px}
.sv4-chart-panel{margin-top:8px;padding:16px;border:1px solid var(--sv4-line);border-radius:16px;background:rgba(4,13,24,.55)}.sv4-panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;color:#8aa8c8;font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.sv4-chart{display:block;width:100%;height:230px}.sv4-chart .grid{stroke:rgba(130,170,220,.08);stroke-width:1}.sv4-chart .line{fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.sv4-chart .base{stroke:var(--sv4-cyan)}.sv4-chart .up{stroke:var(--sv4-violet)}.sv4-chart .down{stroke:#4ce8ac}.sv4-chart .ghost{stroke:rgba(255,255,255,.08);stroke-dasharray:4 8}
.sv4-reasoning-row{display:grid;grid-template-columns:1.1fr .9fr;gap:8px;margin-top:8px}.sv4-reasoning-panel,.sv4-recommendation{padding:16px;border:1px solid var(--sv4-line);border-radius:16px;background:rgba(4,13,24,.55)}.sv4-path{display:flex;align-items:center;gap:7px}.sv4-path span{flex:1;text-align:center;padding:10px 7px;border:1px solid rgba(105,165,235,.14);border-radius:11px;color:#8da4bf;font-size:8px}.sv4-path i{color:#4ca8ff;font-style:normal}.sv4-recommendation strong{display:block;font-size:11px;color:#e8f2ff}.sv4-recommendation p{margin:8px 0 0;color:#7388a1;font-size:9px;line-height:1.55}

/* Ecosystem orbit */
.sv4-ecosystem{position:relative;height:760px;border:1px solid var(--sv4-line);border-radius:32px;overflow:hidden;background:radial-gradient(circle at center,rgba(77,131,255,.1),transparent 28%),linear-gradient(150deg,rgba(10,21,37,.65),rgba(4,9,16,.82));box-shadow:var(--sv4-shadow)}
.sv4-ecosystem:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(124,170,230,.12) 1px,transparent 1px);background-size:28px 28px;mask-image:radial-gradient(circle at center,#000,transparent 78%)}
.sv4-eco-ring{position:absolute;left:50%;top:50%;translate:-50% -50%;border:1px solid rgba(101,161,230,.12);border-radius:50%}.sv4-eco-ring.r1{width:260px;height:260px}.sv4-eco-ring.r2{width:470px;height:470px}.sv4-eco-ring.r3{width:670px;height:670px}
.sv4-eco-core{position:absolute;left:50%;top:50%;translate:-50% -50%;width:174px;height:174px;border-radius:50%;display:grid;place-items:center;text-align:center;background:radial-gradient(circle at 50% 40%,rgba(80,220,255,.18),rgba(77,131,255,.08) 45%,rgba(5,13,23,.95) 72%);border:1px solid rgba(102,173,255,.36);box-shadow:0 0 0 14px rgba(80,220,255,.02),0 0 100px rgba(77,131,255,.15);z-index:5}.sv4-eco-core strong{font-family:var(--sv4-display);font-size:22px;letter-spacing:-.02em}.sv4-eco-core small{display:block;margin-top:5px;color:#6583a3;font-size:8px;letter-spacing:.08em;text-transform:uppercase}
.sv4-eco-node{position:absolute;z-index:4;min-width:130px;padding:11px 12px;border:1px solid rgba(115,175,238,.18);border-radius:12px;background:rgba(5,14,24,.76);backdrop-filter:blur(9px);text-align:center;box-shadow:0 16px 36px rgba(0,0,0,.18);animation:sv4Float 6s ease-in-out infinite}.sv4-eco-node strong{font-size:10px}.sv4-eco-node small{display:block;margin-top:3px;color:#607a99;font-size:7px;text-transform:uppercase;letter-spacing:.08em}.sv4-eco-node:nth-of-type(even){animation-delay:-2.2s}.sv4-eco-node:nth-of-type(3n){animation-delay:-3.4s}
.sv4-eco-node.n1{left:11%;top:17%}.sv4-eco-node.n2{left:39%;top:8%}.sv4-eco-node.n3{right:10%;top:19%}.sv4-eco-node.n4{right:6%;top:46%}.sv4-eco-node.n5{right:13%;bottom:15%}.sv4-eco-node.n6{left:41%;bottom:7%}.sv4-eco-node.n7{left:10%;bottom:16%}.sv4-eco-node.n8{left:5%;top:47%}.sv4-eco-node.n9{left:25%;top:28%}.sv4-eco-node.n10{right:25%;top:30%}.sv4-eco-node.n11{right:27%;bottom:27%}.sv4-eco-node.n12{left:24%;bottom:28%}
.sv4-eco-svg{position:absolute;inset:0;width:100%;height:100%;z-index:2}.sv4-eco-svg line{stroke:rgba(87,160,236,.15);stroke-width:1;stroke-dasharray:3 8}

/* Architecture */
.sv4-architecture{display:grid;grid-template-columns:minmax(0,.8fr) minmax(560px,1.2fr);gap:44px;align-items:start}
.sv4-arch-sticky{position:sticky;top:120px}.sv4-arch-sticky h2{font-family:var(--sv4-display);font-size:clamp(42px,5vw,76px);letter-spacing:-.055em;line-height:.96;font-weight:520;margin:0}.sv4-arch-sticky p{color:var(--sv4-muted);font-size:15px;line-height:1.7;margin:22px 0 0}
.sv4-arch-stack{display:grid;gap:8px;position:relative}.sv4-arch-layer{position:relative;display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;padding:20px 22px;border:1px solid var(--sv4-line);border-radius:16px;background:linear-gradient(150deg,rgba(12,25,43,.78),rgba(6,13,22,.78));overflow:hidden}.sv4-arch-layer:before{content:"";position:absolute;inset:0 auto 0 0;width:2px;background:linear-gradient(var(--sv4-cyan),var(--sv4-violet));opacity:.2}.sv4-arch-layer.highlight{border-color:rgba(98,164,255,.32);background:linear-gradient(150deg,rgba(24,47,78,.82),rgba(10,18,32,.82))}.sv4-arch-num{color:#54708f;font-family:var(--sv4-display);font-size:11px}.sv4-arch-layer h3{margin:0;font-family:var(--sv4-display);font-size:16px}.sv4-arch-layer p{margin:5px 0 0;color:#6e829a;font-size:10px;line-height:1.45}.sv4-arch-state{padding:5px 8px;border:1px solid var(--sv4-line);border-radius:999px;color:#7090b2;font-size:8px;text-transform:uppercase;letter-spacing:.07em}
.sv4-arch-scan{position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--sv4-cyan),transparent);box-shadow:0 0 18px rgba(80,220,255,.6);animation:sv4Scan 7s linear infinite;z-index:4}

/* Roadmap */
.sv4-roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.sv4-roadmap-card{position:relative;min-height:320px;padding:28px;border:1px solid var(--sv4-line);border-radius:20px;background:linear-gradient(150deg,rgba(13,26,44,.76),rgba(6,13,22,.78));overflow:hidden}.sv4-roadmap-card.current{border-color:rgba(80,220,255,.28);box-shadow:inset 0 0 48px rgba(80,220,255,.035)}.sv4-roadmap-card .year{font-family:var(--sv4-display);font-size:48px;letter-spacing:-.05em;color:#314762}.sv4-roadmap-card.current .year{color:#70b5ff}.sv4-roadmap-card h3{margin:46px 0 0;font-family:var(--sv4-display);font-size:20px;letter-spacing:-.03em}.sv4-roadmap-card p{margin:12px 0 0;color:#73869f;font-size:11px;line-height:1.6}.sv4-roadmap-card:after{content:"";position:absolute;left:28px;right:28px;bottom:26px;height:1px;background:linear-gradient(90deg,rgba(80,220,255,.35),transparent)}

/* Contact */
.sv4-contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:16px}.sv4-contact-panel,.sv4-form{border:1px solid var(--sv4-line);border-radius:24px;background:linear-gradient(150deg,rgba(12,25,43,.82),rgba(6,13,22,.78));padding:32px}.sv4-contact-panel h3{font-family:var(--sv4-display);font-size:30px;letter-spacing:-.04em;margin:0}.sv4-contact-panel p{color:#7a8da5;line-height:1.65;font-size:12px}.sv4-contact-fact{padding:15px 0;border-top:1px solid var(--sv4-line)}.sv4-contact-fact:first-of-type{margin-top:26px}.sv4-contact-fact small{display:block;color:#586e89;font-size:8px;text-transform:uppercase;letter-spacing:.09em}.sv4-contact-fact strong{display:block;margin-top:5px;font-size:12px}
.sv4-form{display:grid;gap:12px}.sv4-form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sv4-field{display:grid;gap:6px}.sv4-field label{color:#6c82a0;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.sv4-field input,.sv4-field select,.sv4-field textarea{width:100%;border:1px solid var(--sv4-line);border-radius:12px;background:rgba(3,9,16,.55);color:#eaf3ff;padding:13px 14px;outline:none}.sv4-field textarea{min-height:130px;resize:vertical}.sv4-field input:focus,.sv4-field select:focus,.sv4-field textarea:focus{border-color:rgba(80,220,255,.4);box-shadow:0 0 0 3px rgba(80,220,255,.04)}

/* Protocol gateway */
.sv4-protocol{position:relative;overflow:hidden;border:1px solid rgba(80,220,255,.2);border-radius:28px;padding:44px;background:linear-gradient(135deg,rgba(12,31,51,.85),rgba(12,18,37,.82));box-shadow:var(--sv4-shadow)}
.sv4-protocol:after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;right:-120px;top:-160px;background:radial-gradient(circle,rgba(141,104,255,.15),transparent 68%)}
.sv4-protocol-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:end;position:relative;z-index:2}.sv4-protocol h2{font-family:var(--sv4-display);font-size:clamp(34px,4vw,58px);font-weight:520;line-height:1;letter-spacing:-.045em;margin:0}.sv4-protocol p{max-width:760px;color:#8499b3;line-height:1.65;font-size:13px}.sv4-boundary{justify-self:end;padding:17px;border:1px solid var(--sv4-line);border-radius:16px;background:rgba(3,9,16,.38);font-size:10px;line-height:1.55;color:#8196af}.sv4-boundary strong{color:#dbeeff}

/* Page hero */
.sv4-page-hero{position:relative;padding:190px 0 110px;overflow:hidden}.sv4-page-hero:before{content:"";position:absolute;width:760px;height:760px;border:1px solid rgba(102,166,240,.11);border-radius:50%;right:-230px;top:-320px;box-shadow:inset 0 0 120px rgba(77,131,255,.03)}.sv4-page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:end}.sv4-page-hero h1{font-family:var(--sv4-display);font-size:clamp(60px,8vw,116px);line-height:.86;letter-spacing:-.07em;font-weight:470;margin:0}.sv4-page-hero p{max-width:760px;margin:26px 0 0;color:#8ea1ba;font-size:16px;line-height:1.72}.sv4-page-code{justify-self:end;width:260px;padding:18px;border:1px solid var(--sv4-line);border-radius:18px;background:rgba(7,15,26,.55);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#6e86a4;font-size:9px;line-height:1.7}.sv4-page-code b{color:#a8d7ff;font-weight:600}

/* Footer */
.sv4-footer{position:relative;padding:72px 0 32px;border-top:1px solid rgba(143,180,224,.1);background:#02050a}
.sv4-footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}.sv4-footer-brand p{max-width:330px;color:#667991;font-size:11px;line-height:1.7;margin-top:16px}.sv4-footer-col h4{margin:0 0 16px;color:#607590;font-size:9px;text-transform:uppercase;letter-spacing:.12em}.sv4-footer-col a{display:block;margin:9px 0;color:#90a1b7;font-size:11px}.sv4-footer-col a:hover{color:#fff}.sv4-footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:52px;padding-top:22px;border-top:1px solid rgba(143,180,224,.09);color:#4e6077;font-size:9px}

/* Reveal */
[data-sv4-reveal]{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
[data-sv4-reveal].is-visible{opacity:1;transform:none}

@keyframes sv4Float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes sv4Rail{0%{right:100%}15%,55%{right:0}75%,100%{left:100%;right:0}}
@keyframes sv4Signal{0%{left:8%;opacity:0}8%{opacity:1}92%{opacity:1}100%{left:91%;opacity:0}}
@keyframes sv4Scan{0%{top:0;opacity:0}8%{opacity:1}92%{opacity:1}100%{top:100%;opacity:0}}

@media(max-width:1360px){
  .sv4-nav-links a{padding-inline:7px;font-size:11.5px}.sv4-sale{display:none}
  .sv4-hero-grid{grid-template-columns:.9fr 1.1fr}.sv4-hero-visual{min-height:560px}
}
@media(max-width:1080px){
  .sv4-nav-links{display:none}.sv4-menu-btn{display:inline-grid;place-items:center}.sv4-language{display:none}
  .sv4-mobile{position:fixed;left:16px;right:16px;top:84px;z-index:899;display:grid;gap:4px;padding:16px;border:1px solid var(--sv4-line);border-radius:20px;background:rgba(4,9,16,.94);backdrop-filter:blur(24px);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.22s}
  .sv4-mobile.open{opacity:1;transform:none;pointer-events:auto}.sv4-mobile a{padding:12px;border-radius:12px;color:#a9b9cd;font-size:12px}.sv4-mobile a:hover{background:rgba(255,255,255,.05);color:#fff}
  .sv4-hero{min-height:auto;padding-top:150px}.sv4-hero-grid,.sv4-page-hero-grid,.sv4-architecture,.sv4-contact-layout,.sv4-protocol-grid{grid-template-columns:1fr}.sv4-hero-visual{height:640px;margin-top:10px}.sv4-page-code,.sv4-boundary{justify-self:start}
  .sv4-rail{grid-template-columns:1fr 1fr}.sv4-rail-step:nth-child(2){border-right:0}.sv4-rail-step{border-bottom:1px solid var(--sv4-line)}.sv4-rail-step:last-child{grid-column:1/-1;border-bottom:0}
  .sv4-bento-card.large,.sv4-bento-card.medium,.sv4-bento-card.tall,.sv4-bento-card.wide{grid-column:span 6}.sv4-bento-card.small{grid-column:span 6}
  .sv4-theatre-grid{grid-template-columns:180px 1fr}.sv4-metrics{grid-template-columns:1fr 1fr}.sv4-ecosystem{height:680px}.sv4-arch-sticky{position:static}.sv4-roadmap{grid-template-columns:1fr 1fr}.sv4-footer-grid{grid-template-columns:1.3fr 1fr 1fr}.sv4-footer-col:last-child{display:none}
}
@media(max-width:720px){
  .sv4-container{width:min(100% - 28px,1480px)}.sv4-header{padding-top:10px}.sv4-nav{min-height:48px}.sv4-brand-mark{width:36px;height:36px}.sv4-brand-name{font-size:17px}.sv4-contact-btn{display:none}
  .sv4-section{padding:84px 0}.sv4-section-head h2{font-size:42px}.sv4-section-head p{font-size:14px}.sv4-hero{padding-top:126px;padding-bottom:48px}.sv4-hero-copy h1{font-size:72px}.sv4-hero-copy .sub{font-size:26px}.sv4-hero-copy .lead{font-size:14px}.sv4-hero-micro{display:none}.sv4-hero-visual{height:520px;min-height:0;border-radius:24px}.sv4-core-readout{grid-template-columns:1fr}.sv4-core-readout span:nth-child(n+2){display:none}.sv4-float-tag{font-size:8px}.sv4-float-tag.b,.sv4-float-tag.c{display:none}
  .sv4-rail{grid-template-columns:1fr}.sv4-rail-step{border-right:0}.sv4-rail-step:last-child{grid-column:auto}
  .sv4-bento{grid-template-columns:1fr}.sv4-bento-card.large,.sv4-bento-card.medium,.sv4-bento-card.tall,.sv4-bento-card.wide,.sv4-bento-card.small{grid-column:auto;min-height:220px}.sv4-bento-card{padding:22px}
  .sv4-flow-stage{padding:26px 18px}.sv4-flow-track{grid-template-columns:1fr;gap:10px}.sv4-flow-track:before,.sv4-flow-pulse{display:none}.sv4-flow-node{display:grid;grid-template-columns:52px 1fr;text-align:left;gap:13px;align-items:center;padding:8px 0}.sv4-flow-dot{width:48px;height:48px;margin:0}.sv4-flow-node p{margin-left:0;max-width:none}
  .sv4-theatre{border-radius:22px}.sv4-theatre-grid{grid-template-columns:1fr}.sv4-scenario-list{border-right:0;border-bottom:1px solid var(--sv4-line);display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.sv4-scenario-list label{grid-column:1/-1}.sv4-scenario-btn{margin:0;padding:10px}.sv4-scenario-btn small{display:none}.sv4-metrics{grid-template-columns:1fr 1fr}.sv4-metric strong{font-size:20px}.sv4-chart{height:190px}.sv4-reasoning-row{grid-template-columns:1fr}.sv4-path{display:grid;grid-template-columns:1fr 1fr}.sv4-path i{display:none}
  .sv4-ecosystem{height:auto;padding:34px 16px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.sv4-eco-ring,.sv4-eco-svg{display:none}.sv4-eco-core{position:relative;left:auto;top:auto;translate:none;width:auto;height:auto;min-height:130px;border-radius:20px;grid-column:1/-1}.sv4-eco-node{position:relative!important;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;min-width:0;animation:none}
  .sv4-architecture{gap:28px}.sv4-arch-layer{grid-template-columns:38px 1fr}.sv4-arch-state{display:none}.sv4-roadmap{grid-template-columns:1fr}.sv4-roadmap-card{min-height:240px}.sv4-roadmap-card h3{margin-top:28px}
  .sv4-page-hero{padding:150px 0 74px}.sv4-page-hero h1{font-size:64px}.sv4-page-code{display:none}.sv4-contact-panel,.sv4-form{padding:24px}.sv4-form-row{grid-template-columns:1fr}.sv4-protocol{padding:28px}.sv4-footer-grid{grid-template-columns:1fr 1fr}.sv4-footer-brand{grid-column:1/-1}.sv4-footer-col:last-child{display:block}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.sv4-float-tag,.sv4-eco-node,.sv4-rail-step:after,.sv4-flow-pulse,.sv4-arch-scan{animation:none!important}[data-sv4-reveal]{opacity:1;transform:none;transition:none}.sv4-core-canvas{display:none}
}