:root{
  --ink:#0A1A2F; --ink-2:#22324A; --text:#334155; --muted:#5B6B80;
  --bg:#fff; --soft:#F4F7FA; --line:#E2E8F0;
  --teal:#0E9F9A; --teal-d:#0B7C78; --teal-l:#2DD4BF; --rose:#E11D48; --amber:#B45309;
  --r:16px; --shadow:0 10px 30px -12px rgba(10,26,47,.18);
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--teal-d)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--teal-l);outline-offset:2px;border-radius:6px}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;max-width:26ch}
h3{font-size:1.1rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
sup{font-size:.62em;line-height:0;margin-left:1px}
sup a{text-decoration:none;font-weight:700;color:var(--teal-d)}
sup a:hover{text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,26,47,.92);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:1.15rem;letter-spacing:-.01em;font-weight:600}
.brand b{color:var(--teal-l);font-weight:800}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:#CBD5E1;text-decoration:none;font-size:.95rem;font-weight:500}
.nav-links a:hover{color:#fff}
.nav-links a.btn{color:#04201F}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.bars,.bars::before,.bars::after{display:block;width:22px;height:2px;background:#fff;border-radius:2px;position:relative;margin:auto;content:""}
.bars::before{position:absolute;top:-7px}.bars::after{position:absolute;top:7px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--teal-l);color:#04201F;font-weight:700;text-decoration:none;padding:13px 22px;border-radius:999px;border:2px solid var(--teal-l);transition:transform .15s,background .15s;font-size:1rem}
.btn:hover{transform:translateY(-1px);background:#5EEAD4;border-color:#5EEAD4}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}
.section .btn{background:var(--ink);border-color:var(--ink);color:#fff}
.section .btn:hover{background:var(--ink-2);border-color:var(--ink-2)}
.contact .btn-light{background:#fff;border-color:#fff;color:var(--ink)}
.contact .btn-light:hover{background:#E6FFFA;border-color:#E6FFFA}
.contact .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.contact .btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0}
.cta-row.center{justify-content:center}

/* hero */
.hero{background:radial-gradient(900px 500px at 85% 10%,rgba(45,212,191,.18),transparent 60%),radial-gradient(700px 500px at 0% 100%,rgba(225,29,72,.12),transparent 60%),linear-gradient(180deg,#0A1A2F,#0D2340);color:#CBD5E1;padding:72px 0 88px}
.hero h1{color:#fff;max-width:17ch}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(45,212,191,.12);color:#99F6E4;border:1px solid rgba(45,212,191,.35);padding:6px 14px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:22px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--teal-l);box-shadow:0 0 0 4px rgba(45,212,191,.2)}
.lede{font-size:1.15rem;max-width:58ch;color:#CBD5E1}
.lede strong{color:#fff}
.hero-proof{list-style:none;padding:0;margin:40px 0 0;display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:24px}
.hero-proof li{display:flex;flex-direction:column}
.hero-proof b{color:#fff;font-size:1.6rem;font-weight:800;letter-spacing:-.02em}
.hero-proof span{font-size:.85rem;color:#94A3B8}
.hero sup a{color:#5EEAD4}

/* mock */
.mock{margin:0}
.mock-card{background:#fff;color:var(--text);border-radius:22px;padding:22px;box-shadow:0 30px 60px -20px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.08);transform:rotate(1.2deg)}
.mock-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}
.mock-brand{display:flex;gap:10px;align-items:center}
.mock-brand b{display:block;color:var(--ink);font-size:.98rem}
.mock-brand small{color:var(--muted);font-size:.78rem}
.mock-logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#6366F1,#0EA5E9);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.85rem}
.chip{font-size:.72rem;font-weight:700;padding:4px 9px;border-radius:999px;white-space:nowrap}
.chip-ok{background:#DCFCE7;color:#166534}
.chip-warn{background:#FEF3C7;color:#92400E}
.mock-score{display:flex;align-items:center;gap:20px;background:var(--soft);border-radius:14px;padding:14px 16px;margin-bottom:14px}
.ring{width:84px;height:84px;border-radius:50%;background:conic-gradient(var(--teal) 0 85%,#F59E0B 85% 96%,var(--rose) 96% 100%);display:grid;place-items:center;position:relative;flex:none}
.ring::before{content:"";position:absolute;inset:9px;background:var(--soft);border-radius:50%}
.ring span,.ring small{position:relative;line-height:1;text-align:center}
.ring span{font-weight:800;color:var(--ink);font-size:1.35rem;margin-top:14px}
.ring small{font-size:.62rem;color:var(--muted);margin-top:-22px}
.mock-sum p{margin:0;font-size:.9rem}
.mock-sum b{color:var(--ink)}
.markers{list-style:none;margin:0 0 14px;padding:0}
.markers li{display:grid;grid-template-columns:1.25fr 1fr auto;gap:12px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:.88rem;color:var(--ink-2)}
.bar{height:6px;background:#E2E8F0;border-radius:6px;overflow:hidden}
.bar i{display:block;height:100%;width:var(--v);background:linear-gradient(90deg,var(--teal),var(--teal-l));border-radius:6px}
.mock-protocol{background:linear-gradient(135deg,#F0FDFA,#ECFEFF);border:1px solid #CCFBF1;border-radius:12px;padding:12px 14px}
.mock-protocol b{color:var(--ink);font-size:.9rem}
.mock-protocol p{margin:2px 0 0;font-size:.82rem}
.mock figcaption{font-size:.78rem;color:#94A3B8;text-align:center;margin-top:16px}

/* sections */
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.section-dark{background:linear-gradient(180deg,#0A1A2F,#0D2340);color:#CBD5E1}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark sup a{color:#5EEAD4}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:800;color:var(--teal-d);margin-bottom:12px}
.eyebrow-light{color:var(--teal-l)}
.section-lede{font-size:1.1rem;max-width:66ch;color:var(--muted)}

/* problem */
.gap-flow{list-style:none;padding:0;margin:44px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:x}
.gap-flow li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative}
.gap-flow li:not(:last-child)::after{content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);color:#94A3B8;font-size:1.3rem;background:#fff;width:22px;text-align:center;z-index:1}
.gap-flow .num{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#E6FFFA;color:var(--teal-d);font-weight:800;margin-bottom:12px}
.gap-flow .lost{border-color:#FECDD3;background:#FFF5F7}
.gap-flow .lost .num{background:#FFE4E6;color:var(--rose)}
.gap-flow p{margin:0;font-size:.97rem}
.callout{display:grid;grid-template-columns:1fr 1fr;gap:18px 40px;background:var(--ink);color:#CBD5E1;border-radius:20px;padding:34px 38px;margin-bottom:44px}
.callout-stat{display:flex;gap:18px;align-items:center}
.callout-stat b{font-size:3rem;color:#fff;font-weight:800;letter-spacing:-.03em;line-height:1}
.callout-stat:first-child b{color:#FDA4AF}
.callout-stat:nth-child(2) b{color:var(--teal-l)}
.callout em{color:#fff;font-style:normal;font-weight:700}
.callout sup a{color:#5EEAD4}
.callout-note{grid-column:1/-1;margin:0;font-size:.95rem;color:#94A3B8;border-top:1px solid rgba(255,255,255,.1);padding-top:16px}
.ticks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 36px}
.ticks li{padding-left:30px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:#E6FFFA url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230B7C78' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.ticks b{color:var(--ink)}

/* market */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:44px 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:0 1px 0 rgba(10,26,47,.03)}
.stat b{display:block;font-size:clamp(1.7rem,2.6vw,2.2rem);color:var(--ink);font-weight:800;letter-spacing:-.03em;margin-bottom:8px;line-height:1.1}
.stat p{margin:0;font-size:.95rem}
.estimate{background:#fff;border:2px solid var(--teal);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.tag{display:inline-block;background:#E6FFFA;color:var(--teal-d);border:1px solid #99F6E4;font-weight:800;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:6px;margin-bottom:14px}
.estimate h3{font-size:clamp(1.3rem,2.2vw,1.65rem);max-width:30ch}
.estimate-head p{max-width:72ch}
.estimate-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:22px 0}
.estimate-grid div{background:var(--soft);border-radius:12px;padding:14px}
.estimate-grid dt{font-size:.8rem;color:var(--muted);font-weight:600}
.estimate-grid dd{margin:4px 0 0;font-size:1.3rem;font-weight:800;color:var(--ink)}
.fine{font-size:.82rem;color:var(--muted);margin:0}
.calc{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px 40px;margin-top:28px;background:var(--ink);color:#CBD5E1;border-radius:20px;padding:34px}
.calc h3{color:#fff;font-size:1.4rem}
.calc sup a{color:#5EEAD4}
.calc .fine{grid-column:1/-1;color:#94A3B8}
.calc-form{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.calc-form label{display:flex;flex-direction:column;justify-content:flex-end;gap:6px;font-size:.8rem;font-weight:600;color:#CBD5E1}
.calc-form input{font:inherit;font-size:1.05rem;font-weight:700;color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:10px 12px;width:100%}
.calc-out{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.calc-out span{background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.3);border-radius:12px;padding:12px 14px;font-size:.85rem}
.calc-out b{display:block;font-size:1.5rem;color:#fff;letter-spacing:-.02em}
.calc-out span:last-child{background:var(--teal-l);border-color:var(--teal-l);color:#04201F}
.calc-out span:last-child b{color:#04201F}

/* how */
.steps{list-style:none;padding:0;margin:44px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.steps li{border-top:3px solid var(--teal);padding:20px 4px 0}
.step-n{font-weight:800;color:var(--teal-d);font-size:.9rem;letter-spacing:.06em}
.steps h3{font-size:1.3rem;margin:6px 0 8px}
.steps p{font-size:.95rem;margin:0}

/* serve */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column}
.card p{font-size:.94rem}
.card-stat{margin:auto 0 0!important;padding-top:14px;border-top:1px solid var(--line);font-size:.85rem!important;color:var(--muted)}
.card-stat b{color:var(--ink);font-size:1.05rem}
.card-alt{background:transparent;border-style:dashed}

/* model */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.model-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.model-list li{border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:12px;padding:18px 22px}
.model-list p{margin:0;font-size:.95rem}
.model-list h3{margin-bottom:4px}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.why-grid article{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:24px}
.why-grid p{margin:0;font-size:.95rem}

/* trust */
.trust-grid{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px 36px}
.trust-grid li{padding-left:18px;border-left:2px solid #99F6E4}
.trust-grid p{margin:0;font-size:.95rem}

/* status */
.roadmap{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.roadmap li{display:grid;grid-template-columns:70px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.roadmap li>span{font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding-top:3px}
.roadmap li.now{border-color:var(--teal);box-shadow:var(--shadow)}
.roadmap li.now>span{color:var(--teal-d)}
.roadmap p{margin:0;font-size:.95rem}
.roadmap h3{margin-bottom:4px}

/* contact */
.contact{background:radial-gradient(700px 400px at 50% 0%,rgba(45,212,191,.22),transparent 70%),linear-gradient(180deg,#0B7C78,#0A1A2F);color:#E2E8F0;text-align:center}
.contact h2{color:#fff;max-width:30ch;margin-inline:auto}
.contact-inner>p{max-width:60ch;margin-inline:auto;font-size:1.1rem}
.contact-mail{margin-top:22px!important}
.contact-mail a{color:#fff;font-weight:700}

/* sources */
.sources{padding:64px 0;background:#fff}
.sources h2{font-size:1.4rem}
.src-list{margin:20px 0 0;padding-left:22px;columns:2;column-gap:40px;font-size:.8rem;color:var(--muted)}
.src-list li{break-inside:avoid;margin-bottom:8px}
.src-list li:target{background:#FEF9C3;border-radius:4px}

/* footer */
.site-footer{background:var(--ink);color:#94A3B8;padding:40px 0;font-size:.85rem}
.footer-inner{display:grid;gap:12px}
.footer-inner p{margin:0;max-width:90ch}
.site-footer a{color:#CBD5E1}
.brand-foot{font-size:1rem}

/* responsive */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .mock{max-width:460px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .estimate-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .why-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .calc{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#0A1A2F;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links a.btn{margin-top:12px;border-bottom:0}
  .two-col{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px}
  .section{padding:68px 0}
  .hero{padding:48px 0 64px}
  .hero-proof{gap:22px}
  .hero-proof b{font-size:1.35rem}
  .mock-card{transform:none;padding:18px}
  .gap-flow{grid-template-columns:1fr}
  .gap-flow li:not(:last-child)::after{content:"↓";right:auto;left:50%;top:auto;bottom:-20px;transform:translateX(-50%)}
  .callout{grid-template-columns:1fr;padding:26px}
  .callout-stat b{font-size:2.4rem}
  .ticks{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{padding:20px}
  .mock-top{flex-wrap:wrap}
  .estimate{padding:24px}
  .estimate-grid{grid-template-columns:repeat(2,1fr)}
  .calc{padding:24px}
  .calc-form{grid-template-columns:1fr 1fr}
  .calc-out{grid-template-columns:1fr}
  .steps,.cards,.why-grid,.trust-grid{grid-template-columns:1fr}
  .src-list{columns:1}
  .markers li{grid-template-columns:1fr auto;}
  .roadmap li{grid-template-columns:52px 1fr;gap:12px;padding:16px}
  .markers .bar{display:none}
}