:root {
  --blue-900: #172d5a;
  --blue-800: #0b4f7c;
  --blue-700: #075b91;
  --blue-500: #0b7cc2;
  --blue-200: #7eacd8;
  --ink: #14213d;
  --muted: #64748b;
  --bg: #f6f9fc;
  --white: #ffffff;
  --line: #dbe7f3;
  --shadow: 0 22px 60px rgba(10, 40, 80, 0.14);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 230px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 24px; font-weight: 700; font-size: .95rem; color: var(--blue-900); }
.nav-links a:hover { color: var(--blue-500); }
.nav-cta { padding: 10px 18px; border-radius: 999px; background: var(--blue-900); color: var(--white); }
.nav-toggle, .nav-button { display: none; }

.hero { padding: 96px 0 80px; background: radial-gradient(circle at top right, rgba(126,172,216,.38), transparent 34%), linear-gradient(180deg, #fff 0%, var(--bg) 100%); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--blue-500); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 900; }
.eyebrow.light { color: #bfe0ff; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.45rem, 6vw, 4.8rem); line-height: .98; letter-spacing: -.06em; color: var(--blue-900); margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.05; letter-spacing: -.04em; color: var(--blue-900); margin-bottom: 18px; }
h3 { color: var(--blue-900); line-height: 1.18; margin-bottom: 10px; }
.hero-copy { font-size: 1.16rem; color: #334155; max-width: 690px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 13px 22px; border-radius: 999px; font-weight: 900; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-primary { background: var(--blue-900); color: var(--white); }
.btn-secondary { background: var(--white); color: var(--blue-900); border: 1px solid var(--line); }
.btn-light { background: var(--white); color: var(--blue-900); }
.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 760px; }
.hero-metrics div { padding: 18px; background: rgba(255,255,255,.78); border: 1px solid var(--line); border-radius: 18px; }
.hero-metrics strong { display: block; color: var(--blue-900); font-size: 1.05rem; }
.hero-metrics span { color: var(--muted); font-size: .9rem; }
.hero-visual { position: relative; min-height: 480px; display: grid; place-items: center; }
.hero-visual::before { content: ""; width: min(430px, 88vw); aspect-ratio: 1; border-radius: 50%; background: linear-gradient(135deg, var(--blue-900), var(--blue-500)); position: absolute; box-shadow: var(--shadow); }
.mascot { position: relative; width: min(260px, 58vw); mix-blend-mode: screen; opacity: .68; border-radius: 50%; }
.hero-card { position: absolute; background: var(--white); color: var(--blue-900); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 18px; padding: 14px 18px; font-weight: 900; }
.card-top { top: 48px; right: 20px; }
.card-bottom { left: 12px; bottom: 58px; }

.section { padding: 86px 0; }
.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading p { color: var(--muted); font-size: 1.05rem; }
.cards-grid { display: grid; gap: 22px; }
.cards-grid.three { grid-template-columns: repeat(3, 1fr); }
.cards-grid.four { grid-template-columns: repeat(4, 1fr); }
.service-card, .case-card, .mini-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 12px 36px rgba(10, 40, 80, .06); }
.service-card .icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; background: #e8f3ff; color: var(--blue-800); font-size: 1.55rem; margin-bottom: 18px; }
ul { padding-left: 20px; margin: 18px 0 0; color: #475569; }
li + li { margin-top: 8px; }

.section-blue { background: linear-gradient(135deg, var(--blue-900), var(--blue-700)); color: var(--white); }
.section-blue h2, .section-blue p { color: var(--white); }
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; align-items: center; }
.capability-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.capability-grid div { padding: 20px; border: 1px solid rgba(255,255,255,.22); border-radius: 18px; background: rgba(255,255,255,.08); font-weight: 800; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card.featured { grid-column: span 2; background: linear-gradient(135deg, #ffffff, #edf7ff); border-color: #c4dff8; }
.case-card p, .mini-card p { color: var(--muted); }
.subtle { background: #fff; }

.reverse { grid-template-columns: 1fr 1.1fr; }
.training-panel { background: linear-gradient(135deg, var(--blue-900), var(--blue-500)); color: var(--white); border-radius: var(--radius); padding: 38px; box-shadow: var(--shadow); }
.training-panel h2, .training-panel p { color: var(--white); }
.training-list { display: grid; gap: 12px; }
.training-list span { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 17px 20px; font-weight: 800; color: var(--blue-900); }

.section-method { background: linear-gradient(180deg, #fff, #eef6ff); }
.timeline { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.timeline li { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 54px 20px 20px; }
.timeline li::before { counter-increment: step; content: counter(step); position: absolute; top: 18px; left: 20px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--blue-900); color: var(--white); font-weight: 900; }
.timeline strong { display: block; color: var(--blue-900); margin-bottom: 8px; }
.timeline span { color: var(--muted); font-size: .93rem; }

.contact-section { padding: 92px 0; background: var(--blue-900); }
.contact-card { display: grid; grid-template-columns: 1fr .75fr; gap: 34px; align-items: center; background: linear-gradient(135deg, rgba(11,124,194,.55), rgba(255,255,255,.08)); border: 1px solid rgba(255,255,255,.2); color: var(--white); border-radius: 32px; padding: 42px; }
.contact-card h2, .contact-card p { color: var(--white); }
.contact-actions { display: grid; gap: 12px; justify-items: start; }
.contact-link { color: var(--white); font-weight: 900; font-size: 1.15rem; border-bottom: 1px solid rgba(255,255,255,.45); }
.footer { background: #071936; color: #c7d8ea; padding: 34px 0; }
.footer-grid { display: grid; grid-template-columns: 150px 1fr auto; gap: 24px; align-items: center; }
.footer img { width: 150px; background: #fff; border-radius: 10px; padding: 5px; }
.footer p { margin: 0; font-size: .92rem; }

@media (max-width: 960px) {
  .hero-grid, .split, .reverse, .contact-card { grid-template-columns: 1fr; }
  .cards-grid.three, .cards-grid.four, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { min-height: 390px; }
  .mascot { width: min(220px, 54vw); opacity: .64; }
}

@media (max-width: 720px) {
  .nav-button { display: grid; gap: 5px; cursor: pointer; }
  .nav-button span { width: 28px; height: 3px; background: var(--blue-900); border-radius: 3px; }
  .brand img { width: 190px; }
  .nav { min-height: 84px; }
  .nav-links { position: absolute; top: 84px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; background: var(--white); padding: 16px; border-bottom: 1px solid var(--line); }
  .nav-links a { padding: 13px 8px; }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .hero { padding: 62px 0; }
  .hero-metrics, .cards-grid.three, .cards-grid.four, .case-grid, .capability-grid, .timeline { grid-template-columns: 1fr; }
  .case-card.featured { grid-column: auto; }
  .section { padding: 62px 0; }
  .contact-card { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
}