:root {
  --navy: #1f3a6e;
  --navy-dark: #152a52;
  --accent: #2f6fd6;
  --text: #1d2433;
  --muted: #5a6478;
  --bg: #ffffff;
  --bg-alt: #f3f6fb;
  --border: #dde3ee;
  --radius: 10px;
  --wrap: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); }
a:hover { color: var(--navy); }

h1, h2, h3 { color: var(--navy); line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); color: #fff; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand img { height: 52px; width: auto; }
nav { display: flex; gap: 6px; align-items: center; }
nav a {
  text-decoration: none; color: var(--navy); font-weight: 600; font-size: .95rem;
  padding: 8px 12px; border-radius: 6px;
}
nav a:hover { background: var(--bg-alt); }
nav a.nav-cta { background: var(--navy); color: #fff; }
nav a.nav-cta:hover { background: var(--navy-dark); color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, #2c5299 100%);
  color: #dfe7f5;
  padding: 96px 0 104px;
}
.hero .wrap { max-width: 860px; margin-left: max(20px, calc((100% - var(--wrap)) / 2 + 20px)); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: #9fb8e6; margin: 0 0 14px; }
.lead { font-size: 1.15rem; max-width: 680px; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Buttons */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: 12px 22px; border-radius: 8px; border: 2px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2459b0; color: #fff; }
.btn-ghost { border-color: currentColor; color: var(--navy); }
.hero .btn-ghost { color: #fff; }
.btn-ghost:hover { background: rgba(127, 150, 200, .15); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-intro { color: var(--muted); max-width: 680px; margin: 0 0 36px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column;
  border-top: 4px solid var(--accent);
}
.card p { margin: 0 0 14px; }
.card .tags { margin-top: auto; margin-bottom: 0; font-size: .85rem; color: var(--muted); font-weight: 600; }

/* About */
.about { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: start; }
.portrait { border-radius: var(--radius); box-shadow: 0 10px 30px rgba(21, 42, 82, .15); }
.traits { padding-left: 1.2em; margin: 0 0 24px; }
.traits li { margin-bottom: 4px; }
.about-footer { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 240px; gap: 48px; align-items: start; }
.contact-list { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0 0 28px; }
.contact-list dt { font-weight: 700; color: var(--navy); }
.contact-list dd { margin: 0; }
.qr { margin: 0; text-align: center; }
.qr img { margin: 0 auto 10px; border: 1px solid var(--border); border-radius: var(--radius); padding: 8px; background: #fff; }
.qr figcaption { font-size: .88rem; color: var(--muted); }

/* Footer */
.site-footer { background: var(--navy-dark); color: #b9c7e3; padding: 28px 0; font-size: .9rem; }
.site-footer p { margin: 0; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .header-inner { height: 64px; }
  .brand img { height: 42px; }
  nav a { padding: 6px 8px; font-size: .9rem; }
  .hero { padding: 64px 0 72px; }
  .section { padding: 56px 0; }
  .about, .contact { grid-template-columns: 1fr; gap: 28px; }
  .portrait { max-width: 240px; }
  .cards { grid-template-columns: 1fr; }
}