:root {
  --bg: #ffffff;
  --bg2: #f2f5fb;
  --ink: #0a1a3a;
  --muted: #4d5c7c;
  --line: #e0e6f2;
  --navy: #0a1a3a;
  --navy2: #12264f;
  --amber: #ffc400;
  --amber2: #ff9a1f;
  --blue: #1f5eff;
  --cyan: #3de0ff;
  --radius: 22px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 18px;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
svg { display: block; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.025em; margin: 0; }
p { margin: 0; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
.muted { color: var(--muted); }

.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: #111; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* marker highlight */
.grad { background: linear-gradient(transparent 60%, var(--amber) 60%, var(--amber) 92%, transparent 92%); padding: 0 .08em; }
.grad-c { color: var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--amber); color: var(--navy); font-weight: 800; text-decoration: none;
  padding: 13px 24px; border-radius: 14px; border: 2px solid var(--amber);
  box-shadow: 0 10px 30px -10px rgba(255,170,0,.8);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(255,170,0,.95); }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn-sm { padding: 10px 18px; font-size: .95rem; border-radius: 12px; }
.btn-lg { padding: 18px 32px; font-size: 1.12rem; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); box-shadow: none; }
.btn-ghost:hover { background: var(--navy); color: #fff; box-shadow: none; }
.btn-dark { background: var(--navy); color: #fff; border-color: var(--navy); box-shadow: none; }
.btn-dark:hover { background: var(--navy2); box-shadow: none; }

/* ---------- Header ---------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 50; background: rgba(255,255,255,.0);
  transition: background .3s, box-shadow .3s; border-bottom: 1px solid transparent;
}
.top.scrolled { background: rgba(255,255,255,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.mark { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: var(--amber); box-shadow: 0 8px 20px -8px rgba(255,170,0,.9); }
.mark svg { width: 24px; height: 24px; fill: var(--navy); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 1.45rem; letter-spacing: -.03em; color: var(--navy); }
.brand-text small { font-size: .72rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-top: 3px; font-weight: 600; }
nav { display: flex; align-items: center; gap: 28px; }
nav a:not(.btn) { text-decoration: none; font-size: 1rem; font-weight: 600; color: var(--navy); position: relative; }
nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 3px; background: var(--amber); transition: right .25s; }
nav a:not(.btn):hover::after { right: 0; }

.burger { display: none; width: 46px; height: 46px; border-radius: 12px; border: 2px solid var(--navy); background: #fff; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: transform .25s, top .25s; }
.burger span:first-child { top: 15px; }
.burger span:last-child { top: 24px; }
.burger[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 150px 0 100px; overflow: hidden; background: linear-gradient(180deg, #fff 0%, var(--bg2) 100%); }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(700px 420px at 90% 12%, rgba(255,196,0,.28), transparent 62%),
    radial-gradient(500px 380px at 0% 90%, rgba(31,94,255,.08), transparent 60%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px; font-size: .86rem; font-weight: 700; background: #fff; border: 2px solid var(--navy); color: var(--navy); margin-bottom: 26px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #1fbf5b; box-shadow: 0 0 0 0 rgba(31,191,91,.6); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(31,191,91,0); } 100% { box-shadow: 0 0 0 0 rgba(31,191,91,0); } }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.7rem); font-weight: 900; margin-bottom: 24px; }
.lead { font-size: 1.28rem; color: var(--muted); max-width: 52ch; margin-bottom: 34px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; }
.cta.center { justify-content: center; }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; padding: 0; margin: 38px 0 0; color: var(--navy); font-size: 1rem; font-weight: 600; }
.hero-points li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--amber); color: var(--navy); font-size: .8rem; font-weight: 900; margin-right: 10px; }

.hero-art { position: relative; background: var(--navy); border-radius: 32px; padding: 22px; box-shadow: 0 40px 80px -30px rgba(10,26,58,.55); }
.hero-art::after { content: ""; position: absolute; inset: 14px; border-radius: 22px; border: 1px dashed rgba(255,255,255,.14); pointer-events: none; }
.circuit { width: 100%; height: auto; }
.circuit .t { stroke: rgba(255,255,255,.16); stroke-width: 3; }
.circuit .flow path { stroke-dasharray: 10 38; animation: flow 3.2s linear infinite; filter: drop-shadow(0 0 6px rgba(255,170,30,.9)); }
@keyframes flow { to { stroke-dashoffset: -96; } }
.circuit .nodes circle { fill: var(--navy); stroke: var(--amber); stroke-width: 3; animation: pulse 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.circuit .nodes circle:nth-child(2n) { animation-delay: -.9s; }
.circuit .nodes circle:nth-child(3n) { animation-delay: -1.7s; }
@keyframes pulse { 50% { transform: scale(1.35); } }
.circuit .ring { fill: none; stroke: rgba(255,198,26,.35); stroke-width: 2; stroke-dasharray: 3 8; transform-box: fill-box; transform-origin: center; animation: spin 24s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Strip ---------- */
.strip { background: var(--amber); overflow: hidden; }
.track { display: flex; gap: 32px; width: max-content; padding: 18px 0; animation: marquee 38s linear infinite; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: .95rem; color: var(--navy); white-space: nowrap; }
.track i { font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 120px 0; position: relative; }
.section.alt { background: var(--bg2); }
.sec-head { max-width: 760px; margin-bottom: 56px; }
.kicker { text-transform: uppercase; letter-spacing: .16em; font-size: .8rem; font-weight: 800; color: var(--blue); margin-bottom: 16px; }
.cyan-t { color: var(--cyan); }
.sec-head h2, .split h2 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 900; margin-bottom: 18px; }
.sec-head p:last-child { color: var(--muted); font-size: 1.18rem; }

/* ---------- Bento cards ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.card {
  position: relative; grid-column: span 2; padding: 34px; border-radius: var(--radius);
  background: #fff; border: 2px solid var(--line); overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.card.c-wide { grid-column: span 4; }
.card:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -24px rgba(10,26,58,.35); border-color: var(--navy); }
.card.c-wide:not(.cyan) { background: var(--navy); border-color: var(--navy); color: #fff; }
.card.cyan { background: var(--blue); border-color: var(--blue); color: #fff; }
.ico { width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 26px; background: var(--amber); color: var(--navy); }
.ico svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.6rem; margin-bottom: 12px; font-weight: 800; }
.card p { color: var(--muted); }
.card.c-wide:not(.cyan) p { color: #b9c6e4; }
.card.cyan p { color: #dbe6ff; }
.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.ticks li { padding-left: 32px; position: relative; font-weight: 500; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: .1em; width: 22px; height: 22px; border-radius: 50%; background: var(--amber); color: var(--navy); font-size: .78rem; font-weight: 900; display: grid; place-items: center; }
.ticks.cyan li::before { background: var(--cyan); }
.more { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; color: #fff; font-weight: 800; text-decoration: none; border-bottom: 2px solid var(--amber); padding-bottom: 2px; }
.more svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.more:hover svg { transform: translateX(4px); }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { position: relative; padding: 32px; border-radius: var(--radius); background: #fff; border: 2px solid var(--line); }
.steps .num { display: block; font-size: 3.4rem; font-weight: 900; letter-spacing: -.04em; line-height: 1; color: var(--amber); -webkit-text-stroke: 2px var(--navy); margin-bottom: 18px; }
.steps h3 { font-size: 1.28rem; margin-bottom: 10px; font-weight: 800; }
.steps p { color: var(--muted); font-size: 1rem; }

/* ---------- Split / dark ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.split .muted { font-size: 1.15rem; margin-bottom: 16px; }
.split .ticks { margin: 24px 0 32px; }
.net-art svg { width: 100%; height: auto; }
.section.dark { background: var(--navy); color: #fff; }
.section.dark .muted { color: #b3c1e0; }
.section.dark .ticks li { color: #e4ebfb; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.values div { padding: 18px; border-radius: 16px; background: var(--bg2); border: 2px solid var(--line); }
.values strong { display: block; color: var(--navy); font-size: 1.05rem; font-weight: 800; }
.values span { color: var(--muted); font-size: .92rem; }

.facts { padding: 36px; border-radius: var(--radius); background: #fff; border: 2px solid var(--navy); box-shadow: 10px 10px 0 var(--amber); }
.facts h3 { font-size: 1.4rem; margin-bottom: 18px; font-weight: 800; }
.facts dl { margin: 0; }
.facts dl div { display: flex; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.facts dl div:last-child { border-bottom: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 700; text-align: right; }

/* ---------- CTA band ---------- */
.cta-band { padding: 100px 0; text-align: center; background: var(--amber); color: var(--navy); position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(10,26,58,.07) 1px, transparent 1px) 0 0/48px 48px, linear-gradient(90deg, rgba(10,26,58,.07) 1px, transparent 1px) 0 0/48px 48px; -webkit-mask-image: radial-gradient(ellipse at center, #000 10%, transparent 72%); mask-image: radial-gradient(ellipse at center, #000 10%, transparent 72%); }
.cta-band .wrap { position: relative; }
.cta-band h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); font-weight: 900; margin-bottom: 12px; }
.cta-band p { font-size: 1.25rem; margin-bottom: 32px; font-weight: 500; }
.cta-band .btn { background: var(--navy); color: #fff; border-color: var(--navy); box-shadow: 0 14px 30px -12px rgba(10,26,58,.6); }
.cta-band .btn-dark { background: #fff; color: var(--navy); border-color: #fff; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ccard { display: block; padding: 34px; border-radius: var(--radius); text-decoration: none; background: #fff; border: 2px solid var(--line); transition: transform .3s, box-shadow .3s, border-color .3s; }
a.ccard:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -24px rgba(10,26,58,.35); border-color: var(--navy); }
.ccard:first-child { background: var(--navy); border-color: var(--navy); color: #fff; }
.ccard:first-child small { color: #b3c1e0; }
.ccard .ico { margin-bottom: 22px; }
.ccard small { display: block; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 700; margin-bottom: 6px; }
.ccard strong { font-size: 1.6rem; line-height: 1.25; font-weight: 800; }

/* ---------- Footer ---------- */
footer { background: var(--navy); color: #b3c1e0; padding: 52px 0; }
.foot { display: grid; gap: 16px; justify-items: start; }
.foot a { color: #fff; }
.foot .brand-text strong { color: #fff; }
.foot .brand-text small { color: #8fa1c8; }
.foot .copy { font-size: .9rem; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding: 120px 0 70px; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 44px; }
  .hero-art { max-width: 480px; margin: 0 auto; }
  .bento { grid-template-columns: 1fr 1fr; }
  .card, .card.c-wide { grid-column: span 1; }
  .card.c-wide { grid-column: span 2; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 84px 0; }
}
@media (max-width: 760px) {
  .burger { display: block; }
  nav {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 30px 40px -20px rgba(10,26,58,.3);
    padding: 10px 22px 24px; transform: translateY(-130%); transition: transform .35s cubic-bezier(.2,.7,.2,1);
  }
  nav.open { transform: none; }
  nav a:not(.btn) { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  nav a:not(.btn)::after { display: none; }
  nav .btn { margin-top: 18px; justify-content: center; }
  .top.nav-open { background: #fff; }
}
@media (max-width: 600px) {
  body { font-size: 17px; }
  .bento, .steps { grid-template-columns: 1fr; }
  .card.c-wide { grid-column: span 1; }
  .values { grid-template-columns: 1fr; }
  .btn-lg { width: 100%; justify-content: center; }
  .cta { flex-direction: column; }
  .facts { box-shadow: 6px 6px 0 var(--amber); }
  .facts dl div { flex-direction: column; gap: 2px; }
  .facts dd { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}