:root{
  --accent:#00A0DF;
  --accent-dark:#0086BC;
  --ink:#111418;
  --mist:#F5F7FA;
  --line:#E3E8EE;
  --muted:#5D6772;
  --font-head:'Space Grotesk',sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --nav-h:76px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#fff;color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-dark)}
h1,h2,h3{font-family:var(--font-head);letter-spacing:-0.03em}
h2{font-size:clamp(30px,4vw,48px);line-height:1.08;font-weight:700}
h2 em{font-style:normal;color:var(--accent)}
h3{font-size:20px;font-weight:600;letter-spacing:-0.015em}
section[id]{scroll-margin-top:var(--nav-h)}

.container{max-width:1280px;margin:0 auto;padding:0 80px}
.section{padding:112px 0}
.section-mist{background:var(--mist)}

.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.section-head{max-width:720px;margin-bottom:56px}
.section-head-row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.section-note{font-size:17px;line-height:1.6;color:var(--muted);margin-top:16px;max-width:640px}
.arrow{display:inline-block;transition:transform .25s ease}
a:hover .arrow{transform:translateX(4px)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:16px;font-weight:600;padding:16px 26px;border-radius:6px;border:0;cursor:pointer;font-family:var(--font-body);transition:background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-primary:disabled{opacity:.6;cursor:default}
.btn-nav{font-size:15px;padding:12px 20px}
.btn-block{width:100%}
.text-link{font-size:14px;font-weight:600;display:inline-flex;gap:7px;align-items:center}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s ease,border-color .3s ease}
.nav.scrolled{box-shadow:0 1px 20px rgba(17,20,24,.08);border-bottom-color:var(--line)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 80px;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:48px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:28px;height:28px}
.brand-name{font-family:var(--font-head);font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:var(--ink);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .25s ease}
.menu-open .nav-toggle span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-open .nav-toggle span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{max-width:1280px;margin:0 auto;padding:96px 80px 104px;display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
.hero-title{font-size:clamp(34px,4.2vw,58px);line-height:1.06;letter-spacing:-.035em;font-weight:700;margin:0 0 26px}
.hero-sub{font-size:19px;line-height:1.6;color:var(--muted);margin-bottom:36px;max-width:560px}
.hero-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero-cta .text-link{font-size:15px;color:var(--ink)}
.hero-media{border-radius:8px;overflow:hidden;background:var(--mist)}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:720/560}

/* ---------- cards ---------- */
.card-grid{display:grid;gap:24px}
.card-grid-3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);border-radius:8px;padding:32px;background:#fff}
.card h3{margin-bottom:10px}
.card p{font-size:15px;line-height:1.6;color:var(--muted)}
.card-icon{width:34px;height:34px;border:1.5px solid var(--accent);margin-bottom:24px}
.card-case{padding:0;overflow:hidden}
.case-media{height:230px;background:#fff;border-bottom:1px solid var(--line)}
.case-media img{width:100%;height:100%;object-fit:contain}
.case-body{padding:28px}
.case-body h3{margin-bottom:8px}
.case-body p{font-size:15px;color:var(--muted);line-height:1.6}
.proof-foot{margin-top:56px;display:grid;grid-template-columns:1fr 1fr;gap:48px}
.proof-foot p{font-size:17px;line-height:1.65;color:var(--ink)}
.proof-foot .sponsors{font-size:15px;color:var(--muted)}
.proof-foot .sponsors b{color:var(--ink);font-weight:600}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{border-top:2px solid var(--ink);padding-top:26px}
.step-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.step h3{font-size:22px;margin-bottom:12px}
.step p{font-size:16px;line-height:1.65;color:var(--muted)}

/* ---------- benches ---------- */
.bench-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bench-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;background:var(--mist)}
.bench-cap{margin-top:18px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- founder ---------- */
.founder{max-width:1280px;margin:0 auto;padding:96px 80px 0}
.founder-box{border:1px solid var(--line);border-radius:8px;padding:40px;display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center}
.founder-mark{width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:20px}
.founder p{font-size:17px;line-height:1.65}
.founder p b{font-weight:600}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}
.faq-note{font-size:16px;color:var(--muted);line-height:1.6;margin-top:20px}
.accordion{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:0}
.acc-btn{width:100%;background:none;border:0;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;cursor:pointer;text-align:left;font-family:var(--font-head);font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-.01em;transition:background .2s ease}
.acc-btn:hover{background:#FAFBFC}
.acc-icon{font-size:24px;font-weight:400;color:var(--accent);flex:0 0 auto;transition:transform .3s ease}
.acc-btn[aria-expanded="true"] .acc-icon{transform:rotate(45deg)}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.acc-btn[aria-expanded="true"]+.acc-body{grid-template-rows:1fr}
.acc-body-inner{overflow:hidden}
.acc-body-inner p{padding:0 30px 26px;font-size:15px;line-height:1.65;color:var(--muted);max-width:640px}

/* ---------- contact ---------- */
.contact{background:var(--ink);color:#fff;padding:112px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:96px;align-items:start}
.contact-title{font-size:clamp(36px,4.5vw,56px);line-height:1.05;letter-spacing:-.035em;margin-bottom:22px}
.contact-sub{font-size:18px;line-height:1.6;color:#9BA5B0;margin-bottom:40px;max-width:440px}
.contact-info{display:flex;flex-direction:column;gap:18px}
.info-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#6C7783;margin-bottom:6px}
.info-value{font-size:19px;font-weight:500;color:#fff}
a.info-value{color:var(--accent)}
a.info-value:hover{color:#fff}

.form-card{background:#fff;border-radius:8px;padding:40px;color:var(--ink)}
.form-card label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600;margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-card input,.form-card textarea{border:1px solid var(--line);border-radius:6px;padding:13px 14px;font-family:inherit;font-size:15px;font-weight:400;color:var(--ink);outline:none;transition:border-color .2s ease;resize:vertical}
.form-card input:focus,.form-card textarea:focus{border-color:var(--accent)}
.form-card .btn{margin-top:8px}
.form-note{margin-top:16px;font-size:13px;color:var(--muted);text-align:center}
.form-note.ok{color:#0B7A4B;font-weight:600}
.form-note.err{color:#C0392B;font-weight:600}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-tag{font-size:15px;color:var(--muted);line-height:1.6;margin-top:18px;max-width:380px}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:15px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.footer-head{font-size:13px;font-weight:600;margin-bottom:4px;color:var(--ink)}
.footer-bottom{border-top:1px solid var(--line);padding-top:28px;font-size:14px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container,.nav-inner,.founder{padding-left:40px;padding-right:40px}
  .hero{padding:64px 40px 72px;grid-template-columns:1fr;gap:48px}
  .hero-media{max-height:420px}
  .section{padding:88px 0}
  .card-grid-3,.steps,.bench-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid,.contact-grid,.proof-foot{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}

@media (max-width:768px){
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line)}
  .nav-links a{padding:16px 20px;border-top:1px solid var(--line);font-size:16px}
  .menu-open .nav-links{display:flex}
  .nav-toggle{display:flex}
  .btn-nav{padding:10px 14px}
  .container,.nav-inner,.founder{padding-left:20px;padding-right:20px}
  .hero{padding:48px 20px 56px}
  .hero-cta .btn{flex:1 1 100%}
  .section{padding:64px 0}
  .card-grid-3,.steps,.bench-grid{grid-template-columns:1fr}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:20px}
  .founder-box{grid-template-columns:1fr;padding:28px 20px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:28px 20px}
  .contact{padding:80px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}