:root {
  color-scheme: light;
  --cream: #fbfaf6;
  --paper: #ffffff;
  --ink: #071939;
  --muted: #3f506a;
  --cobalt: #164fd5;
  --cobalt-deep: #0f3bae;
  --amber: #f2a619;
  --teal: #177f70;
  --line: #e5e1d8;
  --soft-blue: #eef3ff;
  --shadow: 0 24px 64px rgba(7, 25, 57, 0.12);
}

* { box-sizing: border-box; }
html { background: var(--cream); scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 8%, rgba(22, 79, 213, 0.14), transparent 28rem),
    linear-gradient(180deg, #f4f7ff 0, var(--cream) 28rem);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--cobalt-deep); text-underline-offset: 0.18em; }
.shell { width: min(100%, 980px); margin: 0 auto; padding: 24px 20px 72px; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 60px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 850; text-decoration: none; }
.brand img { width: 46px; height: 46px; border-radius: 12px; box-shadow: 0 10px 28px rgba(22, 79, 213, 0.24); }
.nav-links, .languages { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.nav-links a, .languages a { color: var(--muted); font-size: 15px; font-weight: 750; text-decoration: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 52px; align-items: center; margin-bottom: 44px; }
.hero h1, .page-header h1 { margin: 0; font-size: clamp(42px, 7vw, 72px); line-height: 0.98; letter-spacing: -0.04em; }
.eyebrow { margin: 0 0 16px; color: var(--cobalt); font-size: 13px; font-weight: 850; letter-spacing: 0.13em; text-transform: uppercase; }
.lede { margin: 22px 0 0; max-width: 670px; color: var(--muted); font-size: 21px; }
.hero-mark { width: 220px; height: 220px; border-radius: 48px; box-shadow: var(--shadow); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 22px; border-radius: 16px; background: linear-gradient(135deg, var(--cobalt-deep), var(--cobalt)); color: white; font-weight: 800; text-decoration: none; box-shadow: 0 12px 28px rgba(22, 79, 213, 0.22); }
.button.secondary { background: var(--paper); color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 34px 0 44px; }
.panel, .content-card { background: rgba(255, 255, 255, 0.9); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 12px 36px rgba(7, 25, 57, 0.06); }
.panel { padding: 24px; }
.panel h2, .content h2 { margin: 0 0 10px; font-size: 21px; line-height: 1.22; }
.panel p, .content p, .content li { color: var(--muted); }
.page-header { margin: 10px 0 30px; }
.page-header h1 { font-size: clamp(38px, 6vw, 62px); }
.content-card { padding: 30px; }
.content { max-width: 790px; }
.content h2 { margin-top: 38px; }
.content h3 { margin-top: 26px; }
.notice { padding: 18px 20px; border-left: 4px solid var(--amber); border-radius: 10px; background: #fff8e8; color: var(--ink); }
.language-section { padding-top: 16px; }
.language-section + .language-section { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--line); }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; }

@media (max-width: 720px) {
  .nav { align-items: flex-start; margin-bottom: 42px; }
  .nav-links { justify-content: flex-end; }
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .hero-mark { width: 132px; height: 132px; order: -1; border-radius: 30px; }
  .grid { grid-template-columns: 1fr; }
  .content-card { padding: 24px 20px; }
}
