:root {
  --ink: #07111F;
  --slate: #13243A;
  --navy: #0B1B33;
  --blue: #2F6BFF;
  --cyan: #22D3EE;
  --mint: #7CFFE1;
  --pearl: #F7FAFC;
  --mist: #E2E8F0;
  --steel: #64748B;
  --line: rgba(11, 27, 51, .12);
  --line-strong: rgba(11, 27, 51, .18);
  --surface: rgba(255, 255, 255, .76);
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-soft: 0 24px 70px rgba(7,17,31,.09);
  --shadow-card: 0 18px 40px rgba(7,17,31,.08);
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 7% 0%, rgba(34,211,238,.18), transparent 28rem),
    radial-gradient(circle at 88% 14%, rgba(124,255,225,.20), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, var(--pearl) 44%, #ffffff 100%);
  line-height: 1.5;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { max-width: 100%; display: block; }
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .34;
  background-image: radial-gradient(rgba(7,17,31,.12) .6px, transparent .6px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, transparent, #000 8%, #000 62%, transparent);
}
.container { width: min(var(--container), calc(100% - 36px)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid rgba(226,232,240,.86);
  background: rgba(247,250,252,.78);
  backdrop-filter: blur(22px);
}
.navbar { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; width: min(1240px, calc(100% - 34px)); margin: 0 auto; }
.brand { display: inline-flex; align-items: center; min-width: 185px; }
.brand img { width: 214px; height: auto; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(7,17,31,.06)); }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: .82rem; font-weight: 750; color: #314159; letter-spacing: .08em; text-transform: uppercase; }
.nav-links a { position: relative; transition: color .22s ease, transform .22s ease; }
.nav-links a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -9px; height: 2px; width: 0; background: var(--cyan); transition: width .22s ease; }
.nav-links a:hover { color: var(--ink); transform: translateY(-1px); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { padding: 13px 18px; border-radius: 999px; color: #fff; background: var(--ink); box-shadow: 0 14px 30px rgba(7,17,31,.18); }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 12px; }
.menu-toggle span { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 99px; }
.hero { position: relative; min-height: calc(100vh - 84px); display: grid; place-items: center; padding: 84px 0 64px; overflow: hidden; }
.signal-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .75; pointer-events: none; }
.hero::before { content:""; position: absolute; inset: 9% -10% auto 42%; height: 74%; background: linear-gradient(135deg, rgba(255,255,255,.88), rgba(226,232,240,.36)); border: 1px solid rgba(226,232,240,.9); transform: skewX(-12deg); border-radius: 48px; opacity: .7; }
.hero-visual-mark { position: absolute; right: -8%; top: 17%; width: min(48vw, 660px); opacity: .055; filter: grayscale(10%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .78fr); gap: 54px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--steel); font-weight: 850; text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; }
.eyebrow span { width: 38px; height: 3px; border-radius: 99px; background: var(--cyan); box-shadow: 0 0 0 6px rgba(34,211,238,.08); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 22px 0 22px; max-width: 850px; font-size: clamp(3.15rem, 4.5vw, 6.8rem); line-height: .93; letter-spacing: -.075em; color: var(--ink); }
.hero h1::selection, h2::selection { background: rgba(34,211,238,.24); }
.hero-lead { max-width: 700px; font-size: clamp(1.08rem, 2vw, 1.34rem); color: #3a4b63; line-height: 1.68; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 34px 0 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 22px; border-radius: 16px; font-weight: 850; letter-spacing: -.01em; border: 1px solid transparent; transition: transform .22s ease, box-shadow .22s ease, background .22s ease; cursor: pointer; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: white; box-shadow: 0 18px 42px rgba(7,17,31,.20); }
.btn-primary:hover { box-shadow: 0 26px 58px rgba(7,17,31,.28); }
.btn-ghost { color: var(--ink); background: rgba(255,255,255,.72); border-color: var(--line-strong); }
.hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 820px; }
.hero-proof div { padding: 18px 18px; border: 1px solid rgba(226,232,240,.92); background: rgba(255,255,255,.74); border-radius: 18px; box-shadow: 0 14px 36px rgba(7,17,31,.045); }
.hero-proof strong { display: block; color: var(--ink); font-size: .94rem; }
.hero-proof span { display: block; color: var(--steel); font-size: .86rem; margin-top: 5px; }
.executive-card { position: relative; padding: 20px; border-radius: 36px; background: linear-gradient(145deg, rgba(255,255,255,.92), rgba(247,250,252,.72)); border: 1px solid rgba(226,232,240,.94); box-shadow: var(--shadow-soft); isolation: isolate; overflow: hidden; }
.executive-card::before { content:""; position: absolute; inset: -42% -24% auto auto; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.22), transparent 68%); z-index: -1; }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--steel); font-size: .82rem; font-weight: 760; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.card-top strong { color: var(--ink); }
.decision-room { border-radius: 28px; background: var(--ink); color: white; padding: 28px; min-height: 322px; position: relative; overflow: hidden; }
.decision-room::before { content:""; position:absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(34,211,238,.26), transparent 34%), linear-gradient(135deg, transparent 0 64%, rgba(255,255,255,.06) 64% 68%, transparent 68%); }
.room-header, .room-flow { position: relative; z-index: 1; }
.room-header small { text-transform: uppercase; letter-spacing: .18em; color: #b7c6d9; font-weight: 800; }
.room-header h2 { margin: 14px 0 28px; font-size: clamp(1.65rem, 3vw, 2.38rem); line-height: 1.06; letter-spacing: -.04em; }
.room-flow { display: grid; gap: 12px; }
.room-flow div { padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); }
.room-flow span { display: block; font-weight: 850; }
.room-flow em { display: block; color: #b7c6d9; font-style: normal; font-size: .86rem; margin-top: 2px; }
.signal-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 16px; }
.signal-list span { padding: 9px 12px; border-radius: 999px; background: rgba(34,211,238,.12); color: #153147; border: 1px solid rgba(34,211,238,.26); font-size: .82rem; font-weight: 800; }
.section { padding: 108px 0; position: relative; }
.split-grid { display: grid; grid-template-columns: 280px 1fr; gap: 80px; align-items: start; }
.section-kicker { color: var(--cyan); text-transform: uppercase; letter-spacing: .18em; font-weight: 900; font-size: .78rem; padding-top: 12px; }
.section-copy h2, .section-heading h2, .expertise-copy h2, .authority-card h2, .contact-copy h2 { font-size: clamp(2rem, 4vw, 4.6rem); line-height: 1.02; letter-spacing: -.06em; margin-bottom: 22px; }
.section-copy p, .expertise-copy p, .authority-text p, .contact-copy p { font-size: 1.08rem; color: #4b5e75; line-height: 1.75; max-width: 850px; }
.section-heading { max-width: 920px; margin-bottom: 44px; }
.model { background: linear-gradient(180deg, transparent, rgba(226,232,240,.25), transparent); }
.model-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.model-card { min-height: 330px; padding: 28px; border-radius: 28px; background: rgba(255,255,255,.76); border: 1px solid rgba(226,232,240,.94); box-shadow: var(--shadow-card); display: flex; flex-direction: column; justify-content: space-between; transition: transform .25s ease, box-shadow .25s ease; }
.model-card:hover { transform: translateY(-7px); box-shadow: 0 32px 80px rgba(7,17,31,.11); }
.model-card .index { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 15px; background: var(--pearl); color: var(--cyan); border: 1px solid rgba(34,211,238,.28); font-weight: 950; }
.model-card h3 { font-size: 1.34rem; letter-spacing: -.03em; margin-bottom: 10px; }
.model-card p { color: #53657a; margin: 0; }
.expertise-shell { display: grid; grid-template-columns: .88fr 1.12fr; gap: 42px; align-items: center; }
.expertise-board { padding: 22px; border-radius: 34px; background: #fff; border: 1px solid rgba(226,232,240,.98); box-shadow: var(--shadow-soft); display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.tab { border: 1px solid var(--line); background: var(--pearl); color: #34455d; padding: 14px 16px; border-radius: 16px; font-weight: 850; text-align: left; cursor: pointer; transition: .2s ease; }
.tab:hover, .tab.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.tab-panel { grid-column: 1 / -1; margin-top: 8px; padding: 28px; border-radius: 24px; background: linear-gradient(135deg, rgba(34,211,238,.10), rgba(124,255,225,.10)), var(--pearl); border: 1px solid rgba(34,211,238,.20); min-height: 185px; }
.tab-panel h3 { font-size: 1.55rem; letter-spacing: -.04em; margin-bottom: 10px; }
.tab-panel p { color: #4a5e75; margin-bottom: 0; line-height: 1.7; }
.method { background: #fff; }
.timeline { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.timeline .line { position: absolute; left: 5%; right: 5%; top: 42px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--mint)); opacity: .58; }
.timeline article { position: relative; padding: 88px 22px 26px; border-radius: 26px; border: 1px solid rgba(226,232,240,.96); background: rgba(247,250,252,.82); min-height: 285px; }
.timeline article span { position:absolute; top: 20px; left: 22px; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: #fff; color: var(--ink); border: 1px solid rgba(34,211,238,.35); box-shadow: 0 0 0 8px rgba(34,211,238,.08); font-weight: 950; }
.timeline h3 { font-size: 1.18rem; letter-spacing: -.02em; }
.timeline p { color: #52667e; margin: 0; font-size: .96rem; }
.authority { background: linear-gradient(180deg, var(--pearl), #fff); }
.authority-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; padding: clamp(28px, 5vw, 58px); border-radius: 42px; background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(247,250,252,.88)); border: 1px solid rgba(226,232,240,.95); box-shadow: var(--shadow-soft); }
.authority-text ul { padding: 0; margin: 28px 0 0; list-style: none; display: grid; gap: 12px; }
.authority-text li { padding: 16px 18px; border-radius: 18px; background: #fff; border: 1px solid rgba(226,232,240,.92); color: #42546b; }
.authority-text strong { color: var(--ink); }
.cta { padding-top: 90px; }
.contact-grid { display: grid; grid-template-columns: .9fr 1fr; gap: 42px; align-items: start; }
.contact-lines { margin-top: 28px; display: grid; gap: 10px; color: var(--ink); font-weight: 850; }
.contact-lines a { width: fit-content; border-bottom: 2px solid rgba(34,211,238,.55); }
.lead-card { padding: 28px; border-radius: 34px; background: #fff; border: 1px solid rgba(226,232,240,.95); box-shadow: var(--shadow-soft); display: grid; gap: 14px; }
.lead-card label { display: grid; gap: 7px; color: #314159; font-weight: 850; font-size: .92rem; }
.lead-card input, .lead-card select, .lead-card textarea { width: 100%; border: 1px solid rgba(100,116,139,.22); border-radius: 16px; padding: 14px 15px; background: var(--pearl); color: var(--ink); outline: none; transition: border .2s ease, box-shadow .2s ease, background .2s ease; }
.lead-card textarea { resize: vertical; }
.lead-card input:focus, .lead-card select:focus, .lead-card textarea:focus { border-color: rgba(34,211,238,.72); box-shadow: 0 0 0 5px rgba(34,211,238,.13); background: #fff; }
.form-note { margin: 0; color: var(--steel); font-size: .85rem; }
.form-note.success { color: #007c90; font-weight: 800; }
.footer { padding: 36px 0; border-top: 1px solid rgba(226,232,240,.86); background: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #52657d; }
.footer img { width: 172px; }
.footer p { margin: 0; }
.footer a { color: var(--ink); font-weight: 850; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; } .delay-2 { transition-delay: .22s; } .delay-3 { transition-delay: .32s; }
@media (max-width: 1040px) {
  .hero-grid, .expertise-shell, .authority-card, .contact-grid, .split-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding-top: 60px; }
  .hero::before { left: 15%; right: -30%; }
  .executive-card { max-width: 620px; }
  .model-grid, .timeline { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .timeline .line { display:none; }
}
@media (max-width: 760px) {
  .navbar { min-height: 72px; }
  .brand img { width: 178px; }
  .menu-toggle { display: block; }
  .nav-links { position: fixed; top: 72px; left: 16px; right: 16px; display: grid; gap: 8px; padding: 16px; border-radius: 24px; background: rgba(255,255,255,.97); border: 1px solid rgba(226,232,240,.96); box-shadow: var(--shadow-soft); transform: translateY(-16px); opacity: 0; visibility: hidden; transition: .2s ease; }
  .nav-links.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links a { padding: 12px; }
  .nav-cta { text-align:center; }
  .hero { min-height: auto; padding: 52px 0 36px; }
  .hero h1 { font-size: clamp(3.1rem, 15vw, 4.9rem); }
  .hero-proof, .model-grid, .timeline, .expertise-board { grid-template-columns: 1fr; }
  .tab-panel { grid-column: auto; }
  .section { padding: 76px 0; }
  .room-header h2 { font-size: 1.8rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}