:root {
  --bg: #eefaff;
  --surface: #ffffff;
  --surface-soft: #f4fbff;
  --text: #12324d;
  --muted: #627b90;
  --primary: #087fc4;
  --primary-dark: #075c91;
  --accent: #ffb81c;
  --border: #d7eaf5;
  --shadow: 0 14px 40px rgba(7, 92, 145, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(79, 210, 255, .18), transparent 28rem),
    linear-gradient(180deg, #e8f9ff 0, var(--bg) 340px);
  line-height: 1.7;
}

a { color: var(--primary-dark); }

.site-header {
  padding: 26px 20px 0;
}

.nav {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255,255,255,.86);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(7,92,145,.06);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.2px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 12px;
}

.brand span { font-size: 18px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 650;
  padding: 8px 12px;
  border-radius: 10px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-dark);
  background: #eaf8ff;
}

.hero {
  width: min(900px, calc(100% - 32px));
  margin: 54px auto 28px;
  text-align: center;
}

.hero-logo {
  width: 150px;
  height: 150px;
  object-fit: contain;
  margin: 0 auto 8px;
  filter: drop-shadow(0 12px 18px rgba(0, 102, 170, .14));
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -1.2px;
}

.hero p {
  max-width: 650px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 17px;
}

.page {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: clamp(26px, 5vw, 52px);
  box-shadow: var(--shadow);
}

.meta {
  display: inline-block;
  margin: 0 0 24px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #edf9ff;
  color: var(--muted);
  font-size: 14px;
}

h2 {
  margin: 36px 0 12px;
  color: var(--primary-dark);
  font-size: 23px;
  line-height: 1.3;
}

h2:first-of-type { margin-top: 0; }

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p { margin: 10px 0 15px; }

ul { padding-left: 24px; }

li { margin: 7px 0; }

.callout {
  margin: 22px 0;
  padding: 16px 18px;
  background: var(--surface-soft);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
}

.contact {
  margin-top: 22px;
  padding: 18px;
  background: linear-gradient(135deg, #effaff, #fffaf0);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 10px 0 42px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  color: var(--text);
  font-weight: 750;
}

.footer-brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.footer-links {
  margin-top: 5px;
}

.footer-links a {
  margin: 0 7px;
  text-decoration: none;
}

@media (max-width: 640px) {
  .site-header { padding: 14px 12px 0; }
  .nav { padding: 10px 12px; }
  .nav-links a { padding: 7px 8px; font-size: 14px; }
  .brand span { display: none; }
  .hero { margin-top: 34px; }
  .hero-logo { width: 120px; height: 120px; }
  .page { border-radius: 16px; }
}