/* ============================================================
   GMBWU Membership System - Public site styles
   ============================================================ */

:root {
  --c-primary: #0b2a4a;
  --c-accent:  #0d47a1;
  --c-ink:     #0f172a;
  --c-muted:   #64748b;
  --c-line:    #e5e7eb;
  --c-bg:      #ffffff;
  --c-soft:    #f6f8fb;
  --c-ok:      #16a34a;
  --c-warn:    #d97706;
  --c-bad:     #dc2626;
  --shadow:    0 4px 24px rgba(15, 23, 42, .06);
  --radius:    14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { color: var(--c-primary); margin: 0 0 .6em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1.25rem; }

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--c-line);
  position: sticky; top: 0; z-index: 50;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .75rem; color: var(--c-primary); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  position: relative;
}
.brand-mark::after {
  content: "G"; color: #fff; font-weight: 800;
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 1.1rem;
}
.brand-text strong { display: block; line-height: 1.1; }
.brand-text small { color: var(--c-muted); font-size: .78rem; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--c-ink); font-weight: 500; }
.nav-links a:hover { color: var(--c-accent); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--c-line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: .5rem 1.25rem 1rem; display: none;
  }
  .nav-links a { padding: .75rem 0; border-bottom: 1px solid var(--c-line); }
  .nav-links a:last-child { border: 0; }
  body.nav-open .nav-links { display: flex; }
  .nav-cta { margin-top: .5rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: .7rem 1.25rem; border-radius: 10px;
  font-weight: 600; border: 1px solid transparent; cursor: pointer;
  transition: all .15s ease; font-size: .95rem;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-accent); text-decoration: none; }
.btn-outline { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--c-ink); }
.btn-ghost:hover { background: var(--c-soft); text-decoration: none; }
.btn-danger { background: var(--c-bad); color: #fff; }
.btn-success { background: var(--c-ok); color: #fff; }
.btn-sm { padding: .4rem .75rem; font-size: .85rem; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #0b2a4a 0%, #0d47a1 100%);
  color: #fff; padding: 5rem 0 4rem; text-align: center;
}
.hero h1 { color: #fff; font-size: 2.4rem; margin-bottom: .5rem; }
.hero p { font-size: 1.15rem; opacity: .9; max-width: 640px; margin: 0 auto 1.5rem; }
.hero-cta { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.hero .btn-primary { background: #fff; color: var(--c-primary); }
.hero .btn-primary:hover { background: #f1f5f9; }
.hero .btn-outline { background: transparent; color: #fff; border-color: #fff; }
.hero .btn-outline:hover { background: #fff; color: var(--c-primary); }

/* ---------- Sections ---------- */
.section { padding: 4rem 0; }
.section.alt { background: var(--c-soft); }
.section h2 { text-align: center; margin-bottom: 2.5rem; }
.section .lead { text-align: center; color: var(--c-muted); margin: -1.5rem auto 2.5rem; max-width: 640px; }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.feature {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow); transition: transform .15s;
}
.feature:hover { transform: translateY(-2px); }
.feature .icon {
  width: 44px; height: 44px; border-radius: 10px; margin-bottom: .9rem;
  background: rgba(13, 71, 161, .1); color: var(--c-accent);
  display: grid; place-items: center; font-size: 1.4rem;
}
.feature h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.feature p { color: var(--c-muted); font-size: .92rem; margin: 0; }

/* ---------- Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 1.75rem; box-shadow: var(--shadow);
}
.card.narrow { max-width: 560px; margin: 0 auto; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 760px) { .form-grid { grid-template-columns: 1fr; } }
.form-row { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }
.form-row.full { grid-column: 1 / -1; }
.form-row label { font-weight: 600; font-size: .9rem; color: var(--c-ink); }
.form-row label .req { color: var(--c-bad); }
.form-row input, .form-row select, .form-row textarea {
  padding: .65rem .85rem; border: 1px solid var(--c-line); border-radius: 8px;
  font: inherit; background: #fff; color: var(--c-ink); width: 100%;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(13, 71, 161, .15);
}
.form-row .hint { font-size: .8rem; color: var(--c-muted); }
.form-row.checkbox { flex-direction: row; align-items: flex-start; gap: .6rem; }
.form-row.checkbox input { width: auto; margin-top: .25rem; }
.form-section-title {
  grid-column: 1 / -1;
  font-weight: 700; color: var(--c-primary); border-bottom: 2px solid var(--c-primary);
  padding-bottom: .35rem; margin: 1rem 0 .5rem; font-size: 1rem;
}

/* ---------- Alerts ---------- */
.alert { padding: .9rem 1rem; border-radius: 10px; margin-bottom: 1rem; border: 1px solid; font-size: .95rem; }
.alert-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.alert-danger  { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warn    { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-info    { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; padding: .2rem .6rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600;
}
.badge-pending  { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dcfce7; color: #166534; }
.badge-rejected { background: #fee2e2; color: #991b1b; }

/* ---------- Footer ---------- */
.site-footer { background: #0b2a4a; color: #cbd5e1; margin-top: 4rem; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; padding: 3rem 1.25rem 2rem;
  max-width: 1140px; margin: 0 auto;
}
.site-footer h4 { color: #fff; margin: 0 0 .5rem; font-size: .95rem; text-transform: uppercase; letter-spacing: .05em; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { padding: .25rem 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1rem 0; font-size: .85rem; text-align: center; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }