:root {
  --navy: #071b2a;
  --blue: #0a3653;
  --blue-2: #0d466c;
  --green: #719977;
  --green-dark: #52715a;
  --ink: #26343d;
  --muted: #66747d;
  --off: #f5f7f4;
  --line: #dfe6e1;
  --white: #fff;
  --shadow: 0 12px 40px rgba(7, 27, 42, .10);
  --radius: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, Arial, sans-serif; color: var(--ink); background: var(--white); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 999; padding: 10px 14px; background: #fff; color: var(--navy); }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 188px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { text-decoration: none; color: var(--ink); font-size: .86rem; font-weight: 600; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--green-dark); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: .88rem; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--green); }
.button-primary:hover { background: var(--green-dark); }
.button-outline { color: var(--blue); border: 1px solid rgba(10,54,83,.25); }

.hero { color: #fff; background: radial-gradient(circle at 85% 20%, rgba(113,153,119,.26), transparent 32%), linear-gradient(120deg, var(--navy), var(--blue)); padding: 96px 0 88px; }
.breadcrumbs { margin-bottom: 24px; font-size: .77rem; color: rgba(255,255,255,.62); }
.breadcrumbs a { color: inherit; }
.eyebrow { margin: 0 0 14px; color: #a9c2ad; text-transform: uppercase; letter-spacing: .2em; font-weight: 800; font-size: .72rem; }
h1, h2, h3 { font-family: Lora, Georgia, serif; line-height: 1.18; }
h1 { max-width: 900px; margin: 0; font-size: clamp(2.4rem, 5vw, 4.5rem); letter-spacing: -.025em; }
.hero-lead { max-width: 780px; margin: 24px 0 0; color: rgba(255,255,255,.75); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero .button-outline { color: #fff; border-color: rgba(255,255,255,.28); }

.section { padding: 82px 0; }
.section-off { background: var(--off); }
.section-dark { color: #fff; background: var(--blue); }
.section-heading { max-width: 780px; margin-bottom: 38px; }
.section-heading h2 { margin: 0 0 16px; color: var(--blue); font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
.section-dark .section-heading h2 { color: #fff; }
.section-heading p { color: var(--muted); }
.section-dark .section-heading p { color: rgba(255,255,255,.7); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card h2, .card h3 { margin: 0 0 12px; color: var(--blue); }
.card p { margin: 0; color: var(--muted); }
.card-link { display: flex; flex-direction: column; text-decoration: none; }
.card-link p { flex: 1; }
.card-link strong { margin-top: 20px; color: var(--green-dark); font-size: .82rem; }
.kicker { display: inline-block; margin-bottom: 12px; color: var(--green-dark); text-transform: uppercase; letter-spacing: .14em; font-weight: 800; font-size: .68rem; }
.two-column { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: start; }
.prose { max-width: 780px; }
.prose h2 { margin: 2.2em 0 .65em; color: var(--blue); font-size: 2rem; }
.prose h3 { margin: 1.8em 0 .55em; color: var(--blue); }
.prose p, .prose li { color: #465760; }
.prose a { color: var(--blue-2); }
.prose blockquote { margin: 28px 0; padding: 18px 22px; border-left: 4px solid var(--green); background: var(--off); color: #42525b; }
.prose-meta { margin: 0 0 36px; color: var(--muted); font-size: .82rem; }
.source-list { padding-left: 20px; }
.source-list li { margin-bottom: 8px; }
.notice { padding: 22px 24px; border-left: 4px solid var(--green); background: #edf3ee; color: #405249; font-size: .88rem; }
.mentor { overflow: hidden; padding: 0; }
.mentor img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.mentor-body { padding: 26px; }
.mentor-body h2 { margin: 0 0 6px; font-size: 1.45rem; }
.mentor-role { margin: 0 0 12px; color: var(--green-dark); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.cta { padding: 54px; border-radius: 22px; color: #fff; background: linear-gradient(120deg, var(--blue), var(--navy)); }
.cta h2 { margin: 0 0 12px; font-size: 2rem; }
.cta p { max-width: 720px; color: rgba(255,255,255,.72); }

.site-footer { padding: 58px 0 26px; color: rgba(255,255,255,.68); background: #05141e; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 40px; }
.footer-logo { width: 220px; height: auto; margin-bottom: 18px; }
.site-footer h2 { color: #fff; font-size: 1rem; }
.site-footer a { display: block; margin: 8px 0; color: inherit; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .75rem; }

@media (max-width: 900px) {
  .nav-links a:not(.button) { display: none; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .two-column { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .brand img { width: 145px; }
  .nav-links .button { min-height: 42px; padding: 0 14px; font-size: .76rem; }
  .hero { padding: 68px 0 62px; }
  .section { padding: 62px 0; }
  .grid-2, .grid-3, .footer-grid { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .cta { padding: 34px 25px; }
}