:root{
  --blue:#1B92CE;
  --blue-mid:#1A6CA8;
  --blue-deep:#195A9E;
  --blue-darkest:#04507F;
  --green:#69CE57;
  --green-deep:#4E893B;
  --ink:#141414;
  --paper:#FFFFFF;
  --bg:#F4F6F9;
  --line:#DDE4EC;
  --muted:#5B6B7C;
  --radius:18px;
  --radius-s:10px;
  --shadow:0 1px 2px rgba(20,20,20,.05), 0 8px 24px rgba(20,20,20,.08);
  --font:'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  margin:0;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--blue-darkest)}
:focus-visible{outline:3px solid var(--blue); outline-offset:2px}
svg{display:block}
.fluid{width:100%; height:auto}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1240px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:10px 20px;
}
.brand-mark{display:flex; align-items:center; text-decoration:none}
.brand-svg{width:84px; height:auto}
.nav{display:flex; gap:6px; flex-wrap:wrap}
.nav a{
  text-decoration:none; color:var(--ink); font-weight:600; font-size:.85rem;
  padding:8px 10px; border-radius:999px; transition:background .15s ease, color .15s ease;
}
.nav a:hover{background:#E8F2E9; color:var(--green-deep)}

/* Hero */
.hero{
  position:relative; overflow:hidden; color:#fff;
  background:linear-gradient(135deg, var(--blue-darkest) 0%, var(--blue-deep) 52%, var(--blue) 100%);
  padding:72px 20px 64px;
}
.hero-inner{max-width:1240px; margin:0 auto; position:relative; z-index:1}
.hero h1{
  margin:0 0 16px; max-width:12ch; line-height:1.02;
  font-size:clamp(2.5rem,7vw,4.6rem); font-weight:800; letter-spacing:-.03em;
}
.hero p{max-width:56ch; margin:0; font-size:clamp(1rem,2vw,1.2rem); color:rgba(255,255,255,.88)}
.hero .tagline{
  display:inline-flex; align-items:center; gap:8px; margin-top:22px;
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.22);
  padding:8px 14px; border-radius:999px; font-weight:600; font-size:.9rem;
}
.hero .source-note{
  margin-top:20px; font-size:.86rem; color:rgba(255,255,255,.76); max-width:62ch;
}
.hero .source-note strong{color:#fff; font-weight:650}
.rings{position:absolute; inset:0; pointer-events:none; color:rgba(255,255,255,.2)}
.rings svg{position:absolute}
.ring-a{left:-120px; top:-120px}
.ring-b{right:-90px; bottom:-130px}
.ring-c{right:20%; top:-80px}
.icon{flex:0 0 auto}

/* Sections */
.section{padding:52px 20px; max-width:1240px; margin:0 auto}
.section-head{margin-bottom:28px; display:flex; flex-wrap:wrap; align-items:end; justify-content:space-between; gap:12px}
.section-head h2{margin:0; font-size:clamp(1.5rem,3.4vw,2.2rem); letter-spacing:-.02em}
.section-head p{margin:6px 0 0; color:var(--muted); max-width:60ch}
.eyebrow{font-size:.72rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--green-deep)}
.divider{height:1px; background:var(--line); border:0; margin:0}
.sub-head{margin:44px 0 6px; font-size:1.15rem; letter-spacing:-.01em}
.sub-copy{margin:0 0 18px; color:var(--muted); font-size:.9rem; max-width:68ch}
.sub-copy strong{color:var(--ink)}

/* Brand grids */
.lockup-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px}
.lockup{margin:0}
.lockup svg{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow)}
.lockup figcaption,
.tile figcaption,
.nav-fig figcaption{
  margin-top:9px; font-size:.72rem; font-weight:700; color:var(--muted);
  letter-spacing:.08em; text-transform:uppercase;
}

.swatch-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(168px,1fr)); gap:14px}
.swatch-fig{margin:0}
.swatch-fig svg{border-radius:12px; overflow:hidden}
.swatch-fig figcaption{display:none}

.scroll-x{
  overflow-x:auto; background:var(--paper); border:1px solid var(--line);
  border-radius:var(--radius); padding:12px; box-shadow:var(--shadow);
}
.type-scale{min-width:900px; width:100%; height:auto}

.tile-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; align-items:start}
.tile{margin:0}
.tile svg{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow)}

.nav-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; margin-top:24px}
.nav-fig{margin:0}
.nav-fig svg{border:1px solid var(--line); border-radius:12px; overflow:hidden; background:#fff}

.note{
  margin:34px 0 0; padding:12px 14px; border-left:4px solid var(--blue);
  background:#EEF7FC; border-radius:0 10px 10px 0; font-size:.87rem; color:#17415C;
}
.note strong{color:var(--blue-darkest)}
.note code{background:rgba(4,80,127,.08); padding:1px 5px; border-radius:5px; font-size:.92em}

/* Screens */
.screen-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:26px}
.screen-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:16px; box-shadow:var(--shadow); display:flex; flex-direction:column;
}
.screen-meta{padding:2px 2px 14px}
.screen-meta .kicker{font-size:.72rem; font-weight:800; letter-spacing:.1em; color:var(--blue); text-transform:uppercase}
.screen-meta h3{margin:6px 0 4px; font-size:1.02rem}
.screen-meta p{margin:0; color:var(--muted); font-size:.83rem}

.phone{
  width:100%; max-width:320px; margin:0 auto; border-radius:38px;
  background:#0F1115; border:1px solid #2B303B; padding:10px;
  box-shadow:0 24px 48px rgba(20,20,20,.18);
}
.phone-screen{border-radius:28px; overflow:hidden; background:#fff; line-height:0}
.screen-svg{width:100%; height:auto}

footer{background:var(--ink); color:#D7E4ED; margin-top:60px; padding:34px 20px 28px}
.footer-inner{max-width:1240px; margin:0 auto; display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:18px; font-size:.83rem}
.footer-inner strong{color:#fff}
.footer-inner p{margin:0; max-width:60ch}
.hero-wordmark{width:120px; height:auto}
.footer-brand{filter:brightness(0) invert(1); opacity:.95}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none!important; animation:none!important}
}