/* ==============================================================
   Mbuya Parents' School — Main Stylesheet
   Theme: School Blue & White
   ============================================================== */

:root {
  --navy: #0b2d5c;
  --blue: #1450a3;
  --blue-light: #2e6fd9;
  --sky: #eaf2ff;
  --sky-2: #d7e7ff;
  --white: #ffffff;
  --gold: #f5b301;
  --text: #1c2b3a;
  --text-light: #566173;
  --border: #dbe6f5;
  --shadow: 0 10px 30px rgba(11, 45, 92, 0.10);
  --radius: 14px;
  --max-width: 1180px;
  --font: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 0.5em; color: var(--navy); line-height: 1.25; }
p { margin: 0 0 1em; }

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

/* ---------------- Top bar ---------------- */
.topbar {
  background: var(--navy);
  color: var(--sky);
  font-size: 0.82rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar-contact span { margin-right: 18px; }
.topbar-social a { color: var(--white); font-weight: 600; }
.topbar-social a:hover { color: var(--gold); }

/* ---------------- Header / Nav ---------------- */
.site-header {
  background: var(--white);
  box-shadow: 0 2px 14px rgba(11,45,92,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-badge { width: 54px; height: 54px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: 0.2px;
}
.brand-motto {
  font-size: 0.75rem;
  color: var(--blue);
  font-style: italic;
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  gap: 6px;
}
.main-nav a {
  display: block;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover,
.main-nav a.active {
  background: var(--sky);
  color: var(--blue);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 100%;
  height: 3px;
  background: var(--navy);
  border-radius: 2px;
  transition: 0.25s;
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s, color 0.2s;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,179,1,0.35); }
.btn-outline { background: transparent; border-color: var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy); }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: var(--navy); }

/* ---------------- Hero ---------------- */
.hero {
  background:
    linear-gradient(135deg, rgba(11,45,92,0.88) 0%, rgba(20,80,163,0.80) 55%, rgba(46,111,217,0.65) 100%),
    url('../images/hero-bg.svg');
  background-size: cover;
  background-position: center bottom;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 110px 24px 260px;
  flex-wrap: wrap;
  min-height: 420px;
}
.hero-copy { flex: 1 1 480px; }
.hero-art { flex: 1 1 320px; }
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  margin-bottom: 0.4em;
}
.hero h1 span { color: var(--gold); }
.hero p.lead {
  font-size: 1.08rem;
  color: var(--sky-2);
  max-width: 46ch;
}
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.hero-art {
  display: flex;
  justify-content: center;
}
.hero-art svg { width: 100%; max-width: 380px; }

/* ---------------- Sections ---------------- */
section { padding: 70px 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.eyebrow {
  display: inline-block;
  color: var(--blue);
  background: var(--sky);
  padding: 5px 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 2rem; }
.section-header p { color: var(--text-light); }

.bg-sky { background: var(--sky); }
.bg-navy { background: var(--navy); color: var(--white); }
.bg-navy h2, .bg-navy h3, .bg-navy h4 { color: var(--white); }

/* ---------------- Stats strip ---------------- */
.stats-strip {
  background: var(--white);
  margin-top: -46px;
  position: relative;
  z-index: 2;
}
.stats-grid {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  text-align: center;
}
.stat-item { flex: 1 1 22%; padding: 28px 12px; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--blue); }
.stat-label { font-size: 0.85rem; color: var(--text-light); font-weight: 600; }

/* ---------------- Cards / Grids ---------------- */
.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}
.grid-3 > * { flex: 1 1 calc(33.333% - 18px); }
.grid-4 > * { flex: 1 1 calc(25% - 20px); }
.grid-2 > * { flex: 1 1 calc(50% - 13px); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(11,45,92,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon {
  width: 56px; height: 56px;
  background: var(--sky);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin: 22px 22px 0;
  font-size: 1.6rem;
}
.card-body { padding: 16px 22px 24px; }
.card-body h3 { font-size: 1.1rem; }
.card-body p { color: var(--text-light); font-size: 0.94rem; margin-bottom: 0; }

.card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--sky); }

/* ---------------- About / split layout ---------------- */
.split {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  align-items: center;
}
.split-art { flex: 1 1 420px; background: var(--sky); border-radius: var(--radius); padding: 30px; }
.split-copy { flex: 1 1 420px; }
.checklist li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--text);
}
.checklist li::before {
  content: "✓";
  background: var(--blue);
  color: var(--white);
  width: 22px; height: 22px;
  border-radius: 50%;
  font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------------- Quote / message block ---------------- */
.message-block {
  background: var(--sky);
  border-left: 5px solid var(--gold);
  border-radius: 10px;
  padding: 26px 30px;
  margin: 30px 0;
  font-style: italic;
  color: var(--navy);
}

/* ---------------- News / blog ---------------- */
.news-meta {
  font-size: 0.8rem;
  color: var(--blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}
.news-date { color: var(--text-light); font-weight: 500; margin-left: 8px; text-transform: none; letter-spacing: 0; }
.read-more { color: var(--blue); font-weight: 700; font-size: 0.9rem; }
.read-more:hover { color: var(--navy); }

/* ---------------- Gallery ---------------- */
.filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.filter-btn {
  padding: 8px 18px;
  border-radius: 50px;
  border: 2px solid var(--border);
  background: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.gallery-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.gallery-item { flex: 1 1 calc(33.333% - 14px); }
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  box-shadow: 0 4px 16px rgba(11,45,92,0.06);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, rgba(11,45,92,0.85), transparent);
  color: var(--white);
  padding: 30px 14px 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed; inset: 0;
  background: rgba(11,45,92,0.92);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 80vh; border-radius: 10px; }
.lightbox-close {
  position: absolute; top: 24px; right: 34px;
  color: var(--white); font-size: 2rem; cursor: pointer; font-weight: 300;
}
.lightbox-cap { color: var(--white); text-align: center; margin-top: 14px; font-weight: 600; }

/* ---------------- Forms ---------------- */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
}
.form-row { display: flex; flex-wrap: wrap; gap: 18px; }
.form-row .form-group { flex: 1 1 220px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--navy);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--sky);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: var(--white);
}
.form-note {
  background: #fff8e6;
  border: 1px solid #ffe1a6;
  color: #7a5600;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 20px;
}
.alert-success {
  background: #e6f7ec;
  border: 1px solid #a9e6bf;
  color: #146c34;
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: 600;
}

/* ---------------- CTA banner ---------------- */
.cta-banner {
  background: linear-gradient(120deg, var(--blue) 0%, var(--navy) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 46px;
  text-align: center;
  margin: 0 24px;
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: var(--sky-2); }

/* ---------------- Page header (inner pages) ---------------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: var(--white);
  padding: 60px 0 46px;
  text-align: center;
}
.page-hero h1 { color: var(--white); font-size: 2.2rem; margin-bottom: 8px; }
.breadcrumb { color: var(--sky-2); font-size: 0.9rem; }
.breadcrumb a { color: var(--white); font-weight: 700; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--navy); color: #c9d9f2; }
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  padding: 56px 24px 34px;
}
.footer-col { flex: 1 1 200px; }
.footer-about { flex: 1.6 1 280px; }
.footer-badge { width: 56px; margin-bottom: 12px; }
.footer-col h3, .footer-col h4 { color: var(--white); }
.footer-col h4 { font-size: 1rem; margin-bottom: 16px; }
.footer-tagline { font-size: 0.88rem; color: #a9bfe0; }
.footer-links li, .footer-contact li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-links a:hover { color: var(--gold); }
.footer-social-link {
  display: inline-block;
  background: rgba(255,255,255,0.1);
  padding: 8px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
}
.footer-social-link:hover { background: var(--gold); color: var(--navy); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 18px 0;
  text-align: center;
  font-size: 0.82rem;
  color: #93a9cc;
}

/* ---------------- Utility ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ==============================================================
   Responsive — Tablet
   ============================================================== */
@media (max-width: 960px) {
  .hero-copy, .hero-art { flex: 1 1 100%; }
  .hero-inner { text-align: center; }
  .hero p.lead { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-art { order: -1; }
  .split-art, .split-copy { flex: 1 1 100%; }
  .grid-4 > *, .grid-3 > * { flex: 1 1 calc(50% - 13px); }
  .stat-item { flex: 1 1 50%; }
  .stat-item:nth-child(2) { border-right: none; }
  .footer-col { flex: 1 1 45%; }
}

/* ==============================================================
   Responsive — Mobile
   ============================================================== */
@media (max-width: 680px) {
  .topbar-inner { justify-content: center; text-align: center; }
  .topbar-contact span { margin-right: 10px; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    box-shadow: 0 12px 20px rgba(11,45,92,0.12);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .main-nav.open { max-height: 500px; }
  .main-nav ul { flex-direction: column; padding: 10px 20px 20px; }
  .main-nav a { padding: 12px 10px; border-bottom: 1px solid var(--border); border-radius: 0; }

  .hero h1 { font-size: 1.9rem; }
  .hero-inner { padding: 46px 20px 60px; }

  .stats-strip { margin-top: -30px; }
  .stat-item { flex: 1 1 50%; padding: 20px 8px; }

  .grid-4 > *, .grid-3 > *, .grid-2 > * { flex: 1 1 100%; }
  .gallery-item { flex: 1 1 calc(50% - 10px); }
  .form-row .form-group { flex: 1 1 100%; }
  .footer-col { flex: 1 1 100%; }
  .footer-grid { padding: 40px 24px 20px; }
  .cta-banner { margin: 0 16px; padding: 34px 20px; }
  section { padding: 50px 0; }
}

@media (max-width: 420px) {
  .gallery-item { flex: 1 1 calc(50% - 10px); }
  .brand-badge { width: 44px; height: 44px; }
  .brand-name { font-size: 1rem; }
}