/* ===== Narrowstream — static site styles ===== */
:root{
  --bg:#0b1020;
  --bg-soft:#0f1530;
  --surface:#ffffff;
  --surface-alt:#f5f7fb;
  --ink:#0d1330;
  --ink-soft:#5a6485;
  --line:#e6e9f2;
  --brand:#3b82f6;
  --brand-2:#22d3ee;
  --brand-grad:linear-gradient(120deg,#3b82f6 0%,#22d3ee 100%);
  --radius:16px;
  --shadow:0 18px 50px -20px rgba(20,40,120,.35);
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--surface);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Sora','Inter',sans-serif;line-height:1.15;letter-spacing:-.02em;color:var(--ink)}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:var(--brand-grad);color:#fff;font-weight:600;
  padding:.7rem 1.25rem;border-radius:999px;border:none;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease;white-space:nowrap;
  box-shadow:0 10px 24px -10px rgba(59,130,246,.7);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(59,130,246,.8)}
.btn-lg{padding:.95rem 1.7rem;font-size:1.02rem}
.btn-sm{padding:.5rem 1rem;font-size:.9rem}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.header-inner{display:flex;align-items:center;justify-content:flex-start;height:68px;gap:2.5rem}
.logo{display:flex;align-items:center;gap:.6rem;color:#fff;font-family:'Sora';font-weight:700;font-size:1.15rem}
.logo-img{width:30px;height:30px;object-fit:contain;display:inline-block;vertical-align:middle}
.nav{display:flex;gap:2rem;margin-right:auto;margin-left:1rem}
.nav a{color:#c7cee6;font-weight:500;font-size:.96rem;transition:color .15s}
.nav a:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:1rem}
.lang-switch{display:flex;background:rgba(255,255,255,.08);border-radius:999px;padding:3px}
.lang-switch button{background:none;border:none;color:#aeb6d4;font-size:.82rem;font-weight:600;padding:.3rem .65rem;border-radius:999px;cursor:pointer}
.lang-switch button.active{background:#fff;color:var(--ink)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.2s}

/* ===== Hero ===== */
.hero{position:relative;background:radial-gradient(120% 120% at 80% -10%,#1b2550 0%,var(--bg) 55%);color:#fff;overflow:hidden;padding:84px 0 96px}
.hero-glow{position:absolute;width:600px;height:600px;left:-120px;top:-180px;background:radial-gradient(circle,rgba(34,211,238,.25),transparent 60%);filter:blur(20px);pointer-events:none}
.hero-inner{position:relative;text-align:center;max-width:820px;margin:0 auto}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);padding:.35rem .9rem;border-radius:999px;margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.1rem,5vw,3.5rem);color:#fff;font-weight:800}
.hero-sub{margin:1.4rem auto 0;color:#bcc4e2;font-size:1.12rem;max-width:680px}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2.2rem}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:3.4rem;border-top:1px solid rgba(255,255,255,.1);padding-top:2rem}
.hero-stats div{display:flex;flex-direction:column;gap:.2rem}
.hero-stats strong{font-family:'Sora';font-size:1.7rem;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stats span{font-size:.84rem;color:#9aa3c6}

/* ===== Sections ===== */
.section{padding:88px 0}
.section-alt{background:var(--surface-alt)}
.section-head{text-align:center;max-width:640px;margin:0 auto 3rem}
.section-head h2{font-size:clamp(1.7rem,3.5vw,2.4rem)}
.section-head p{color:var(--ink-soft);margin-top:.9rem;font-size:1.06rem}
.kicker{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:.7rem}

/* ===== Cards ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.7rem;transition:transform .18s,box-shadow .18s,border-color .18s;display:block}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.card-icon{width:52px;height:52px;border-radius:13px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:1.2rem}
.card-icon svg{width:26px;height:26px}
.card h3{font-size:1.3rem;margin-bottom:.6rem}
.card p{color:var(--ink-soft);font-size:.98rem}
.card-link{display:inline-block;margin-top:1.1rem;color:var(--brand);font-weight:600;font-size:.95rem}

/* ===== Split sections ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.split.reverse .split-text{order:2}
.split-text h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:1.1rem}
.split-text p{color:var(--ink-soft);margin-bottom:1rem}
.split-text p.muted{font-size:.94rem;background:#eef2fb;border-left:3px solid var(--brand);padding:.8rem 1rem;border-radius:0 8px 8px 0;color:#46507a}
.split-lists{display:grid;gap:1.2rem}
.feature-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:0 6px 24px -16px rgba(20,40,120,.4)}
.feature-box.wide{padding:1.8rem}
.feature-box h4{font-size:1.08rem;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.feature-box h4::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--brand-grad)}
.ticks{list-style:none;display:grid;gap:.6rem}
.ticks.two-col{grid-template-columns:1fr 1fr}
.ticks li{position:relative;padding-left:1.7rem;font-size:.94rem;color:#3c456e}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* ===== Badges ===== */
.badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.badge{background:rgba(59,130,246,.1);color:var(--brand);border:1px solid rgba(59,130,246,.2);font-weight:600;font-size:.84rem;padding:.4rem .85rem;border-radius:999px}

/* ===== Contact ===== */
.contact{padding-bottom:96px}
.contact-card{background:radial-gradient(120% 140% at 90% 0%,#1b2550,var(--bg));color:#fff;border-radius:24px;padding:3rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;box-shadow:var(--shadow)}
.contact-card h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem)}
.contact-card p{color:#bcc4e2;margin:.8rem 0 1.2rem;max-width:480px}
.contact-mail{font-family:'Sora';font-size:1.25rem;font-weight:700;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ===== Footer ===== */
.site-footer{background:var(--bg);color:#aeb6d4;padding:56px 0 28px}
.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{max-width:320px}
.footer-brand .logo-text{color:#fff;font-family:'Sora';font-weight:700;font-size:1.1rem;margin-left:.5rem}
.footer-brand p{margin-top:.8rem;font-size:.92rem}
.footer-links{display:flex;flex-direction:column;gap:.6rem}
.footer-links a{color:#aeb6d4;font-size:.94rem;transition:color .15s}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.5rem;font-size:.85rem;color:#969ec0}
.footer-bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media(max-width:880px){
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:var(--bg-soft);padding:1.2rem 24px;gap:1rem;border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(calc(-100% - 80px));transition:transform .25s;z-index:40}
  .nav.open{transform:translateY(0)}
  .burger{display:flex}
  .header-actions .btn{display:none}
  .header-inner{gap:0}
  .header-actions{margin-left:auto}
  .split{grid-template-columns:1fr;gap:2rem}
  .split.reverse .split-text{order:0}
  .cards{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:1.6rem}
  .ticks.two-col{grid-template-columns:1fr}
  .contact-card{padding:2rem;text-align:left}
}
@media(max-width:480px){
  .hero{padding:60px 0 70px}
  .section{padding:64px 0}
}

/* ===== Reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ===== Legal page ===== */
.legal{padding:112px 0 80px;background:var(--surface)}
.legal .container{max-width:820px}
.legal h1{font-size:clamp(1.7rem,3.2vw,2.3rem);margin:3rem 0 1.4rem;padding-bottom:.6rem;border-bottom:2px solid var(--line)}
.legal h1:first-of-type{margin-top:0}
.legal h2{font-size:1.18rem;margin:1.9rem 0 .5rem;color:var(--ink)}
.legal p,.legal li{color:var(--ink-soft);margin-bottom:.7rem;font-size:1rem;line-height:1.75}
.legal ul{padding-left:1.3rem;margin-bottom:1.1rem}
.legal a{color:var(--brand);font-weight:500}
.legal a:hover{text-decoration:underline}
.legal strong{color:var(--ink)}
.legal .placeholder{background:#fff3cd;color:#7a5b00;padding:.05rem .35rem;border-radius:4px;font-style:italic;font-weight:600;font-size:.92em}
.legal .updated{margin-top:2.6rem;font-size:.86rem;color:var(--ink-soft);opacity:.75}