/* ===== VitalPulse — AI Health & Longevity ===== */
:root{
  --bg:#f6faf9;
  --bg-2:#ffffff;
  --surface:#ffffff;
  --surface-2:#eef6f4;
  --border:rgba(13,60,55,.10);
  --border-strong:rgba(13,60,55,.18);
  --text:#0f2e2a;
  --muted:#5b7a75;
  --brand:#0fb39a;
  --brand-2:#14c2a8;
  --brand-3:#f4a259;
  --grad:linear-gradient(135deg,#0fb39a 0%,#3ad1b6 100%);
  --grad-soft:linear-gradient(135deg,rgba(15,179,154,.12),rgba(58,209,182,.08));
  --grad-warm:linear-gradient(135deg,#f4a259,#f6c177);
  --radius:20px;
  --radius-lg:28px;
  --shadow:0 20px 50px -18px rgba(15,179,154,.35);
  --maxw:1180px;
  --font:'Plus Jakarta Sans','Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
body::before{content:"";position:fixed;inset:0;z-index:-1;
  background:radial-gradient(700px 500px at 85% -5%,rgba(15,179,154,.10),transparent 60%),radial-gradient(600px 500px at 0% 15%,rgba(244,162,89,.08),transparent 55%)}

/* nav */
header.nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);background:rgba(246,250,249,.8);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.02em}
.logo .mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;font-size:16px;color:#fff;box-shadow:var(--shadow)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:var(--muted);font-weight:600;font-size:15px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:12px;cursor:pointer;font-size:14px;font-weight:700}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--border-strong);border-radius:14px;padding:6px;min-width:150px;display:none;box-shadow:0 20px 50px rgba(13,60,55,.14)}
.lang-menu.open{display:block}
.lang-menu button{display:flex;align-items:center;gap:9px;width:100%;background:none;border:none;color:var(--text);padding:9px 12px;border-radius:10px;cursor:pointer;font-size:14px;text-align:left;font-family:inherit}
.lang-menu button:hover{background:var(--surface-2)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:11px 20px;border-radius:999px;cursor:pointer;border:1px solid transparent;transition:.2s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:var(--surface);border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-lg{padding:15px 30px;font-size:16px}
.menu-toggle{display:none;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:9px;cursor:pointer}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:4px 0}

/* hero */
.hero{padding:80px 0 60px;text-align:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--grad-soft);border:1px solid var(--border-strong);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:700;color:var(--brand);margin-bottom:26px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-3)}
.hero h1{font-size:clamp(38px,6vw,66px);line-height:1.06;font-weight:800;letter-spacing:-.03em;margin-bottom:22px}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(17px,2.2vw,21px);color:var(--muted);max-width:640px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13px;color:var(--muted)}

/* health mock */
.hero-mock{margin:60px auto 0;max-width:920px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);padding:22px;box-shadow:0 40px 90px -40px rgba(15,179,154,.4)}
.mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mock-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:left}
.mock-card .t{font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600}
.mock-card .v{font-size:30px;font-weight:800}
.mock-card .v small{font-size:14px;color:var(--muted);font-weight:600}
.ring{width:120px;height:120px;border-radius:50%;margin:6px auto;background:conic-gradient(var(--brand) 0 78%,var(--surface) 78% 100%);display:grid;place-items:center}
.ring::after{content:"78";width:88px;height:88px;background:var(--surface-2);border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:26px}
.spark{display:flex;align-items:flex-end;gap:6px;height:70px;margin-top:10px}
.spark i{flex:1;background:var(--grad);border-radius:6px 6px 0 0;opacity:.85}

/* logos */
.logos{padding:40px 0;text-align:center}
.logos p{color:var(--muted);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:24px;font-weight:600}
.logos-row{display:flex;gap:44px;justify-content:center;align-items:center;flex-wrap:wrap;opacity:.6;font-weight:700;font-size:19px}

/* sections */
.sec{padding:76px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 50px}
.sec-head .kicker{color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-bottom:16px}
.sec-head p{color:var(--muted);font-size:17px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ico{width:54px;height:54px;border-radius:16px;background:var(--grad-soft);display:grid;place-items:center;font-size:24px;margin-bottom:18px}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{padding-top:8px}
.step .num{width:48px;height:48px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;margin-bottom:18px;box-shadow:var(--shadow)}
.step h3{font-size:19px;margin-bottom:10px;font-weight:800}
.step p{color:var(--muted);font-size:15px}

.stats{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 32px;box-shadow:var(--shadow)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .n{font-size:clamp(34px,5vw,52px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{color:var(--muted);font-size:14px;margin-top:6px}

.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.plan.pop{border-color:var(--brand);box-shadow:var(--shadow);position:relative}
.plan.pop::before{content:attr(data-tag);position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px}
.plan h3{font-size:18px;margin-bottom:6px;font-weight:800}
.plan .price{font-size:42px;font-weight:800;margin:10px 0}
.plan .price span{font-size:15px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;margin:20px 0;display:grid;gap:12px;flex:1}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--muted)}
.plan li::before{content:"✓";color:var(--brand);font-weight:800}

.raise-hero{text-align:center;padding:60px 0 30px}
.raise-amount{font-size:clamp(48px,9vw,96px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.progress{max-width:560px;margin:30px auto 8px;height:14px;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;width:69%;background:var(--grad);border-radius:999px}
.raise-meta{display:flex;justify-content:space-between;max-width:560px;margin:10px auto;color:var(--muted);font-size:14px;font-weight:600}
.backers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.backer{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:22px;text-align:center;font-weight:800}
.backer span{display:block;color:var(--muted);font-size:13px;font-weight:600;margin-top:4px}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.info-item{display:flex;gap:14px;margin-bottom:24px}
.info-item .ico{width:48px;height:48px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;font-size:20px;flex-shrink:0}
.info-item h4{font-size:15px;margin-bottom:3px;font-weight:800}
.info-item a,.info-item p{color:var(--muted);font-size:15px}
.info-item a:hover{color:var(--brand)}
form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}
.field input,.field textarea{width:100%;background:var(--bg);border:1px solid var(--border-strong);border-radius:12px;padding:12px 14px;color:var(--text);font-family:inherit;font-size:15px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:10px}

.cta-banner{background:var(--grad);border-radius:var(--radius-lg);padding:60px 40px;text-align:center;box-shadow:var(--shadow)}
.cta-banner h2{font-size:clamp(28px,4vw,42px);font-weight:800;color:#fff;margin-bottom:14px}
.cta-banner p{color:rgba(255,255,255,.92);font-size:18px;margin-bottom:28px}
.cta-banner .btn-primary{background:#fff;color:var(--brand)}

.page-hero{padding:66px 0 30px;text-align:center}
.page-hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.page-hero p{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto}
.prose{max-width:820px;margin:0 auto;padding:20px 0 40px}
.prose h2{font-size:24px;margin:34px 0 12px;font-weight:800}
.prose p,.prose li{color:var(--muted);font-size:16px;margin-bottom:12px}
.prose ul{padding-left:22px;margin-bottom:14px}
.prose strong{color:var(--text)}
.updated{color:var(--brand);font-size:14px;font-weight:700}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{text-align:center}
.member .ava{width:96px;height:96px;border-radius:50%;background:var(--grad);margin:0 auto 14px;display:grid;place-items:center;font-size:32px;font-weight:800;color:#fff}
.member h4{font-size:16px}
.member p{color:var(--muted);font-size:14px}

footer.ft{border-top:1px solid var(--border);padding:60px 0 30px;margin-top:40px;background:var(--surface-2)}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.ft-brand p{color:var(--muted);font-size:15px;margin:16px 0;max-width:280px}
.ft-col h5{font-size:14px;font-weight:800;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em}
.ft-col a{display:block;color:var(--muted);font-size:15px;margin-bottom:10px}
.ft-col a:hover{color:var(--brand)}
.ft-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:14px}

.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--surface);padding:20px 24px;border-bottom:1px solid var(--border);gap:18px}
  .grid-3,.steps,.pricing{grid-template-columns:1fr}
  .stats-grid,.backers,.team{grid-template-columns:repeat(2,1fr)}
  .contact-grid,.about-grid,.mock-grid{grid-template-columns:1fr}
}
@media(max-width:520px){.stats-grid,.backers,.team,.values{grid-template-columns:1fr}}