/* BacklinkForge — shared stylesheet. Lightweight, responsive, no frameworks. */
:root {
  --navy: #0e2f5c;
  --navy-dark: #0a2145;
  --blue: #1d6fd1;
  --blue-dark: #155cb4;
  --ink: #1c2733;
  --muted: #5b6b7f;
  --bg: #ffffff;
  --bg-soft: #f2f6fb;
  --card: #ffffff;
  --border: #dbe4ef;
  --radius: 10px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); }
a:hover { color: var(--blue-dark); }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

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

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 8px rgba(10,33,69,.25);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; max-width: var(--maxw); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; text-decoration: none; font-weight: 800; font-size: 1.25rem;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), #4aa3ff);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 900;
}
.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 4px; flex-wrap: wrap;
}
.main-nav a {
  color: #dbe7f5; text-decoration: none; padding: 8px 12px; border-radius: 6px;
  font-size: .95rem;
}
.main-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.main-nav a[aria-current="page"] { background: rgba(255,255,255,.16); color: #fff; }
.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,.4);
  color: #fff; border-radius: 6px; padding: 8px 12px; font-size: 1rem; cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 60%, #17457f);
  color: #fff; padding: 72px 0;
}
.hero h1 { font-size: 2.4rem; line-height: 1.2; margin: 0 0 16px; max-width: 640px; }
.hero p.lead { font-size: 1.15rem; color: #cddcf0; max-width: 640px; margin: 0 0 28px; }
.hero .btn { margin-right: 12px; margin-bottom: 8px; }

.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  padding: 12px 24px; border-radius: 8px; border: 2px solid transparent;
  cursor: pointer; font-size: 1rem;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); color: #fff; }
.btn-outline { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-dark); color: #fff; }

/* Sections */
.section { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }
.section h2 { font-size: 1.8rem; margin: 0 0 12px; color: var(--navy); }
.section .section-intro { color: var(--muted); max-width: 720px; margin: 0 0 32px; }

.page-hero {
  background: var(--navy); color: #fff; padding: 48px 0;
}
.page-hero h1 { margin: 0 0 8px; font-size: 2.1rem; }
.page-hero p { margin: 0; color: #cddcf0; max-width: 720px; }

.prose { max-width: 780px; }
.prose h2 { color: var(--navy); margin-top: 40px; }
.prose h3 { color: var(--navy); margin-top: 28px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 8px; }

/* Cards & grids */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column;
}
.card h3 { margin: 0 0 10px; font-size: 1.15rem; color: var(--navy); }
.card h3 a { color: var(--navy); text-decoration: none; }
.card h3 a:hover { color: var(--blue); }
.card p { margin: 0 0 14px; color: var(--muted); font-size: .95rem; flex: 1; }
.card .card-link { font-weight: 700; text-decoration: none; }
.card .card-link:hover { text-decoration: underline; }

.badge {
  display: inline-block; font-size: .75rem; font-weight: 700;
  background: #e3edf9; color: var(--navy);
  border-radius: 20px; padding: 3px 10px; margin-bottom: 10px;
}

/* Resource directory */
.directory-tools {
  display: flex; gap: 12px; flex-wrap: wrap; margin: 0 0 8px;
}
.directory-tools label { font-weight: 700; font-size: .9rem; }
.directory-tools input[type="search"], .directory-tools select {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 1rem; min-width: 220px; background: #fff; color: var(--ink);
}
.result-count { color: var(--muted); font-size: .95rem; margin: 12px 0 20px; }
.resource-card .ext-icon { font-size: .8em; }
.resource-url {
  font-size: .8rem; color: var(--muted); word-break: break-all; margin: 0 0 10px;
}

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 1rem; font-family: inherit;
}
.form-group textarea { min-height: 150px; resize: vertical; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .contact-layout { grid-template-columns: 1fr; } }
.notice {
  background: #fff8e6; border: 1px solid #f0d97a; border-radius: 8px;
  padding: 14px 18px; font-size: .95rem; margin-bottom: 24px;
}

/* Footer */
.site-footer { background: var(--navy-dark); color: #b9c9de; padding: 48px 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px; margin-bottom: 32px;
}
.site-footer h3 { color: #fff; font-size: 1rem; margin: 0 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #b9c9de; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.14); padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: .85rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--blue), #2f86e8);
  color: #fff; border-radius: var(--radius); padding: 40px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin: 24px 0;
}
.cta-band h2 { color: #fff; margin: 0 0 8px; }
.cta-band p { margin: 0; color: #e3eefc; }

/* Steps */
.steps { counter-reset: step; list-style: none; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.steps li {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 24px 24px 72px; position: relative;
}
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 20px; top: 20px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.steps h3 { margin: 0 0 8px; color: var(--navy); font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); font-size: .95rem; }

.faq details {
  border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; margin-bottom: 12px;
  background: #fff;
}
.faq summary { font-weight: 700; cursor: pointer; color: var(--navy); }

/* Mobile */
@media (max-width: 820px) {
  .nav-toggle { display: inline-block; }
  .main-nav { display: none; width: 100%; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 0; }
  .main-nav a { display: block; padding: 10px 4px; }
  .header-inner { flex-wrap: wrap; }
  .hero h1 { font-size: 1.9rem; }
  .hero { padding: 52px 0; }
  .cta-band { padding: 28px; }
}