:root {
  --bg: #ffffff;
  --bg-alt: #f5f8f8;
  --ink: #0f172a;
  --ink-soft: #475569;
  --accent: #0f766e;
  --accent-dark: #0b5a54;
  --border: #e2e8f0;
  --maxw: 960px;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.2; color: var(--ink); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; display: block; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.2px; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--ink-soft); font-size: 0.95rem; }
.site-nav a:hover { color: var(--accent); }
.nav-cta {
  border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 16px; color: var(--ink) !important;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent) !important; }

/* Hero */
.hero { padding: 96px 0 80px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 2px; font-size: 0.78rem;
  font-weight: 600; color: var(--accent); margin: 0 0 18px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 22px; max-width: 18ch; }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; margin: 0 0 32px; }

/* Buttons */
.button {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  transition: background 0.15s ease;
}
.button:hover { background: var(--accent-dark); color: #fff; }

/* Sections */
.section { padding: 76px 0; border-top: 1px solid var(--border); }
.section-alt { background: var(--bg-alt); }
.section h2 { font-size: clamp(1.6rem, 3.5vw, 2.1rem); margin: 0 0 14px; }
.section-lede { font-size: 1.1rem; color: var(--ink-soft); max-width: 56ch; margin: 0 0 36px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 26px 24px;
}
.card h3 { font-size: 1.2rem; margin: 0 0 10px; }
.card p { margin: 0; color: var(--ink-soft); }

/* Fit list */
.fit-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; max-width: 60ch; }
.fit-list li {
  position: relative; padding-left: 30px; font-size: 1.08rem; color: var(--ink);
}
.fit-list li::before {
  content: ""; position: absolute; left: 6px; top: 11px;
  width: 8px; height: 8px; border-radius: 999px; background: var(--accent);
}

/* Principal */
.principal { display: grid; grid-template-columns: 180px 1fr; gap: 40px; align-items: start; }
.avatar { position: relative; width: 160px; height: 160px; }
.avatar img {
  width: 160px; height: 160px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--border); display: block;
}
.avatar-fallback {
  display: none; width: 160px; height: 160px; border-radius: 50%;
  align-items: center; justify-content: center;
  background: var(--accent); color: #fff; font-family: var(--serif);
  font-size: 3rem; font-weight: 700; letter-spacing: 1px;
}
.principal-body h2 { margin-top: 0; }
.principal-name { font-size: 1.35rem; font-weight: 700; margin: 6px 0 2px; }
.principal-title { color: var(--accent); font-weight: 600; margin: 0 0 18px; }
.principal-body p { color: var(--ink-soft); max-width: 62ch; }
.link { font-weight: 600; }

/* Contact */
.section-contact { background: var(--ink); }
.section-contact h2 { color: #fff; }
.section-contact .section-lede { color: #cbd5e1; }
.contact-methods { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.contact-secondary { color: #cbd5e1; font-size: 1.1rem; font-weight: 600; }
.contact-secondary:hover { color: #fff; }

/* Footer */
.site-footer { background: var(--ink); color: #94a3b8; padding: 26px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem; flex-wrap: wrap; gap: 8px; }
.footer-meta { color: #64748b; }

/* Responsive */
@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .principal { grid-template-columns: 1fr; gap: 24px; justify-items: center; text-align: center; }
  .principal-body p { margin-left: auto; margin-right: auto; }
  .site-nav { gap: 14px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .hero { padding: 64px 0 56px; }
}