:root {
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f8fafc;
  --paper: #ffffff;
  --accent: #2f60f5;
  --accent-deep: #1c47d8;
  --accent-soft: #eef4ff;
  --teal: #0ea5a4;
  --success: #0ea5a4;
  --max: 1180px;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.container { width: min(92%, var(--max)); margin: 0 auto; }
.narrow { width: min(92%, 820px); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223, 229, 236, 0.85);
}
.nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid #9aa7b7;
  position: relative;
  display: inline-block;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  left: 7px;
  right: 7px;
  height: 2px;
  background: var(--accent);
  top: 15px;
  transform: rotate(-18deg);
  border-radius: 99px;
}
.brand-mark::after {
  left: 15px;
  right: auto;
  width: 5px;
  height: 5px;
  top: 14px;
  border-radius: 50%;
  background: var(--ink);
  transform: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: #344054;
  font-size: 0.92rem;
  font-weight: 550;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.btn-primary { color: #fff; }
.nav-links a.btn-primary:hover { color: #fff; }
.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 82px;
  color: #fff;
  background-color: #102a4c;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    radial-gradient(ellipse 80% 55% at 50% 25%, rgba(47, 96, 245, 0.28) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 85% 35%, rgba(14, 165, 164, 0.14) 0%, transparent 60%),
    linear-gradient(180deg, #16365f 0%, #102a4c 60%, #0c1f3a 100%);
  background-size: 48px 48px, 48px 48px, auto;
}
.hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 96, 245, 0.22), transparent 68%);
  top: -180px;
  right: -120px;
  pointer-events: none;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  color: #dbe6f4;
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero h1,
.page-hero h1 {
  font-size: clamp(2.75rem, 6vw, 5.35rem);
  line-height: 0.99;
  letter-spacing: -0.045em;
  max-width: 980px;
  margin-top: 22px;
}
.hero-copy {
  max-width: 770px;
  color: #dbe6f4;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  margin-top: 26px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--ink);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11, 18, 32, 0.12); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn-secondary { background: #fff; color: var(--ink); border-color: #cfd7e2; }

.proof-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.proof-item {
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}
.proof-item:last-child { border-right: 0; }
.proof-item strong { display: block; font-size: 1.05rem; }
.proof-item span { color: var(--muted); font-size: 0.88rem; }

.section { padding: 92px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--ink); color: #fff; }
.section-head { max-width: 760px; margin-bottom: 42px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.77rem;
  letter-spacing: 0.09em;
  margin-bottom: 10px;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
.section-head p { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }
.section-dark .section-head p { color: #b8c1ce; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 1px 0 rgba(11, 18, 32, 0.02);
}
.card h3 { font-size: 1.18rem; line-height: 1.25; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card .metric { display: block; color: var(--accent); font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }

.pathway-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.pathway {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.pathway::before {
  counter-increment: step;
  content: "0" counter(step);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: .08em;
}
.pathway h3 { margin: 12px 0 9px; font-size: 1.06rem; }
.pathway p { color: var(--muted); font-size: .91rem; }

.arch-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 30px;
  align-items: start;
}
.arch-stack { display: grid; gap: 10px; }
.arch-layer {
  padding: 20px 22px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  position: relative;
}
.arch-layer strong { display: block; margin-bottom: 5px; }
.arch-layer span { color: var(--muted); font-size: .9rem; }
.arch-layer.accent { border-color: #9dbbff; background: var(--accent-soft); }
.arch-principles { display: grid; gap: 16px; }
.principle { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.principle:last-child { border-bottom: 0; }
.principle strong { display: block; margin-bottom: 5px; }
.principle span { color: var(--muted); }

.service-card { display: flex; flex-direction: column; min-height: 100%; }
.service-card .duration { color: var(--success); font-size: .82rem; font-weight: 800; margin-bottom: 12px; }
.service-card ul { margin: 18px 0 24px; padding-left: 18px; color: var(--muted); }
.service-card li { margin: 7px 0; }
.text-link { margin-top: auto; color: var(--accent-deep); font-weight: 750; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.credibility {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 54px;
  align-items: center;
}
.big-stat {
  font-size: clamp(4rem, 10vw, 7.8rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: .9;
}
.big-stat span { color: var(--accent); }
.credibility-copy p { color: var(--muted); margin-top: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.tag { padding: 7px 10px; background: var(--soft); border: 1px solid var(--line); border-radius: 999px; color: #465467; font-size: .82rem; font-weight: 650; }

.ecosystem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.ecosystem-card { padding: 22px; border: 1px solid #273246; border-radius: 14px; background: #111b2c; }
.ecosystem-card strong { display: block; margin-bottom: 7px; }
.ecosystem-card span { color: #aeb9c9; font-size: .9rem; }
.ecosystem-card a { display: inline-block; color: #9bbcff; margin-top: 13px; text-decoration: none; font-size: .86rem; font-weight: 700; }

.assessment-wrap {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  padding: 44px;
  border-radius: 24px;
  background: var(--ink);
  color: #fff;
}
.assessment-copy p { color: #b8c1ce; margin-top: 14px; }
.assessment-list { margin: 24px 0 0; list-style: none; display: grid; gap: 10px; }
.assessment-list li::before { content: "✓"; color: #73e0d0; font-weight: 900; margin-right: 9px; }
.assessment-form { display: grid; gap: 13px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.assessment-form label { display: grid; gap: 7px; font-size: .78rem; font-weight: 700; color: #c7d0dc; }
.assessment-form input,
.assessment-form select,
.assessment-form textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: 9px;
  background: #131d2f;
  border: 1px solid #334158;
  color: #fff;
  font: inherit;
}
.assessment-form input:focus,
.assessment-form select:focus,
.assessment-form textarea:focus { outline: 2px solid #6b9dff; outline-offset: 1px; }
.assessment-form .btn { width: 100%; background: #fff; color: var(--ink); border-color: #fff; }
.form-note { font-size: .78rem; color: #929fb0; }
.form-success { display: none; padding: 16px; border: 1px solid #2d7f78; border-radius: 10px; background: rgba(15, 118, 110, .12); color: #b8f3ea; }

.page-hero { padding: 86px 0 64px; background: linear-gradient(180deg, #f8fbff, #fff); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.6rem, 5vw, 4.6rem); max-width: 900px; }
.page-hero p { max-width: 760px; margin-top: 20px; color: var(--muted); font-size: 1.12rem; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.content-block { padding: 28px 0; border-bottom: 1px solid var(--line); }
.content-block h2 { font-size: 1.55rem; letter-spacing: -0.02em; margin-bottom: 10px; }
.content-block p, .content-block li { color: var(--muted); }
.content-block ul { padding-left: 20px; margin-top: 10px; }

.site-footer { border-top: 1px solid var(--line); background: #fff; padding: 38px 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.footer-grid p { color: var(--muted); font-size: .86rem; max-width: 580px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: #4a5667; text-decoration: none; font-size: .84rem; }
.footer-links a:hover { color: var(--accent); }

@media (max-width: 980px) {
  .card-grid, .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
  .pathway-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-grid, .credibility, .assessment-wrap { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 22px 4%;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links.active { display: flex; }
  .nav-links .btn { width: 100%; }
  .hero { padding: 78px 0 58px; }
  .hero h1 { font-size: clamp(2.7rem, 12vw, 4.3rem); }
  .section { padding: 68px 0; }
  .card-grid, .ecosystem-grid, .pathway-grid, .content-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-bottom: 0; }
  .form-row { grid-template-columns: 1fr; }
  .assessment-wrap { padding: 28px 20px; }
  .footer-grid { flex-direction: column; }
}

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