@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root{
  --bg:#ffffff; --bg2:#f6f7f7; --ink:#1a1c1d; --muted:#646b6e;
  --line:#e5e8e8; --accent:#00C4CC; --accent-btn:#0B7878; --accent-soft:#e3f8f9;
  --slate:#222222;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}
section{padding:84px 0;border-bottom:1px solid var(--line)}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:16px}
h1{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.03em;line-height:1.05;margin:0 0 20px}
h2{font-size:clamp(25px,3.6vw,36px);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin:0 0 18px}
h3{font-size:18px;font-weight:700;margin:0 0 8px}
p{margin:0 0 16px}
.muted{color:var(--muted)}
.lead{font-size:20px;line-height:1.55;color:var(--muted)}
.accent{color:var(--accent)}

/* nav */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:18px}
.logo .mark{width:26px;height:26px;flex:none;display:block}
.logo .accent{color:var(--accent)}
.nav .links{display:flex;align-items:center;gap:24px}
.nav .links a{font-size:15px;font-weight:600;color:var(--ink)}
.nav .links a:hover{color:var(--accent)}
.nav .links a.cur{color:var(--accent)}
@media(max-width:640px){.nav .links a.navlink{display:none}}
.btn{display:inline-block;background:var(--accent-btn);color:#fff;font-weight:700;font-size:15px;padding:12px 20px;border-radius:10px;transition:transform .08s ease,background .15s ease}
.btn:hover{background:#0a6a6a;transform:translateY(-1px)}
.btn.lg{font-size:16px;padding:15px 26px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--bg2)}

/* hero */
.hero{padding-top:64px;padding-bottom:64px}
.hero .lead{max-width:680px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.videoframe{margin-top:48px;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px -28px rgba(20,16,8,.28)}
/* sample-video section intro */
.samplelead{text-align:center;max-width:640px;margin:56px auto 0}
.samplelead h2{margin:0 0 12px}
.samplelead .muted{font-size:1.02rem;line-height:1.55}
/* sample-video click-through tabs */
.samplelead + .videotabs{margin-top:24px}
.videotabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:48px}
.videotabs + .videoframe{margin-top:14px}
.vtab{display:inline-flex;align-items:center;gap:9px;background:var(--bg2);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-weight:700;font-size:15px;cursor:pointer;transition:border-color .15s ease,background .15s ease,color .15s ease}
.vtab:hover{border-color:var(--accent)}
.vtab.cur{background:var(--accent-btn);color:#fff;border-color:var(--accent-btn)}
.vtab .vnum{display:inline-flex;width:22px;height:22px;border-radius:50%;background:rgba(20,16,8,.10);align-items:center;justify-content:center;font-size:13px;font-weight:800}
.vtab.cur .vnum{background:rgba(255,255,255,.24)}
.vtab .vsub{font-weight:500;font-size:13px;color:var(--muted)}
.vtab.cur .vsub{color:rgba(255,255,255,.85)}
@media (max-width:560px){.vtab{flex:1;justify-content:center;font-size:14px;padding:10px 12px}.vtab .vsub{display:none}}
.ratio{position:relative;width:100%;aspect-ratio:16/9;background:#13161d;background-image:radial-gradient(circle at 30% 30%,#27303f,#13161d 70%)}
.ratio .play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#cfd4dd}
.play .disc{width:74px;height:74px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(0,196,204,.5)}
.play .disc:after{content:"";border-left:22px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:6px}
.play .cap{font-size:14px;letter-spacing:.02em}
.play .sub{font-size:12px;color:#8b93a1;text-transform:uppercase;letter-spacing:.14em}

/* layout helpers */
.alt{background:var(--bg2)}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-top:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:24px}
.alt .card{background:#fff}
.num{width:30px;height:30px;border-radius:8px;background:var(--accent-soft);color:var(--accent);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.points{list-style:none;margin:18px 0 0;padding:0}
.points li{position:relative;padding-left:30px;margin:14px 0;color:var(--muted)}
.points li:before{content:"";position:absolute;left:4px;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.points li strong{color:var(--ink);font-weight:600}

/* badge (for placeholder / coming-soon pages) */
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-btn);background:var(--accent-soft);border:1px solid #bfeced;border-radius:20px;padding:4px 12px;margin-bottom:18px}

/* trust block */
.trust{background:var(--slate);color:#eef0f4;border:none}
.trust .eyebrow{color:var(--accent)}
.trust h2{color:#fff}
.trust .lead{color:#c4c8d2}
.trust .row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.trust .t{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:20px}
.trust .t h3{color:#fff}
.trust .t p{color:#b7bcc8;margin:0;font-size:15px}

/* final + form */
.final{text-align:center;border-bottom:none}
.final h2{max-width:680px;margin-left:auto;margin-right:auto}
.final .lead{max-width:560px;margin:0 auto 6px}
.form{max-width:520px;margin:30px auto 0;text-align:left}
.form .field{margin-bottom:14px}
.form label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.form input,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:#fff;color:var(--ink)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.form textarea{min-height:96px;resize:vertical}
.form button.btn{width:100%;text-align:center;border:none;cursor:pointer;margin-top:6px}
.form .hp{position:absolute;left:-9999px}
.form .note{font-size:12px;color:var(--muted);margin-top:14px;text-align:center}

footer{background:#fff;border-top:1px solid var(--line);padding:34px 0}
.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:14px}

@media(max-width:780px){
  section{padding:60px 0}
  .grid3,.grid2,.trust .row{grid-template-columns:1fr}
  .cta-row .btn{flex:1;text-align:center}
}