* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; line-height: 1.6; color: #fff; background: #0f172a; }
main { min-height: 60vh; }

/* ===== TOP ANNOUNCEMENT BAR ===== */
.top-bar {
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 40%, #1f2937 100%);
  padding: 0.5rem 1.5rem;
}
.top-bar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.top-bar span { color: #fff; font-size: 0.9rem; }
.top-bar-btn {
  background: #e5e7eb; color: #111; padding: 0.35rem 1rem; border-radius: 0.25rem;
  text-decoration: none; font-weight: 600; font-size: 0.85rem;
}
.top-bar-btn:hover { background: #fff; }
.top-bar-contact { display: flex; gap: 1rem; }
.top-bar-contact span { color: #fff; }

/* ===== MAIN NAVIGATION ===== */
.nav-main { background: #000; padding: 0.75rem 1.5rem; position: sticky; top: 0; z-index: 100; }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: #fff; }
.logo-icon {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff; font-weight: bold; font-size: 1.25rem; padding: 0.35rem 0.6rem; border-radius: 0.25rem;
}
.logo-text { font-size: 0.9rem; line-height: 1.2; font-weight: 600; }
.nav-menu {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.nav-menu a {
  color: #fff; text-decoration: none; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.02em;
}
.nav-menu a:hover, .nav-menu a.active { color: #f59e0b; }
.nav-apply {
  border: 1px solid #fff; padding: 0.4rem 1rem; border-radius: 0.25rem;
}
.nav-apply:hover { background: #fff; color: #000; }
.nav-logout { background: none; border: none; color: #94a3b8; cursor: pointer; font-size: 0.85rem; }

/* ===== HERO SECTION ===== */
.hero-home {
  background: #000; text-align: center; padding: 4rem 1.5rem;
}
.hero-home h1 { font-size: 2.5rem; font-weight: bold; color: #fff; margin-bottom: 1rem; letter-spacing: 0.05em; }
.hero-home p {
  max-width: 600px; margin: 0 auto 1.5rem; color: #e5e7eb; font-size: 1rem; line-height: 1.7;
}
.hero-cta {
  display: inline-block; border: 1px solid #fff; color: #fff; padding: 0.6rem 1.5rem;
  border-radius: 2rem; text-decoration: none; font-weight: 600;
}
.hero-cta:hover { background: #fff; color: #000; }

/* ===== COURSES SECTIONS ===== */
.courses-section { padding: 3rem 1.5rem; }
.courses-light { background: #f3f4f6; color: #111; }
.courses-section h2 {
  text-align: center; font-size: 1.75rem; font-weight: bold; margin-bottom: 0.5rem; color: #111;
}
.courses-approval {
  text-align: center; font-size: 0.9rem; color: #4b5563; margin-bottom: 2rem;
}
.courses-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem;
}
.course-card {
  background: #000; color: #fff; padding: 1.5rem; border: 1px solid #374151; border-radius: 0.5rem;
}
.course-card h3 {
  font-size: 1rem; margin-bottom: 1rem; color: #f59e0b; font-weight: 700; letter-spacing: 0.02em;
}
.course-card ul { list-style: none; }
.course-card li {
  position: relative; padding-left: 1.25rem; margin-bottom: 0.5rem; font-size: 0.9rem;
}
.course-card li::before {
  content: ''; position: absolute; left: 0; top: 0.5em;
  width: 6px; height: 6px; background: #f59e0b; border-radius: 50%;
}
.course-card-link {
  display: inline-block; margin-top: 1rem; font-size: 0.85rem; color: #f59e0b; text-decoration: none;
}
.course-card-link:hover { text-decoration: underline; }
.course-card-image {
  display: flex; align-items: center; justify-content: center; min-height: 280px;
}
.open-admission-banner {
  text-align: center; padding: 1rem;
}
.open-admission-banner strong { font-size: 1.25rem; color: #f59e0b; }
.open-admission-banner p { margin: 0.5rem 0; font-size: 1rem; }
.banner-sub { font-size: 0.85rem; color: #9ca3af; }
.banner-btn {
  display: inline-block; margin-top: 1rem; background: #f59e0b; color: #000;
  padding: 0.5rem 1.5rem; border-radius: 0.25rem; text-decoration: none; font-weight: 600;
}
.banner-btn:hover { background: #fbbf24; }

/* ===== FOOTER ===== */
.site-footer { background: #000; color: #fff; padding: 3rem 1.5rem 1rem; }
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; margin-bottom: 2rem;
}
.footer-brand { max-width: 280px; }
.footer-logo { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.footer-logo .logo-icon { font-size: 1rem; padding: 0.25rem 0.5rem; }
.footer-logo .logo-text { font-size: 0.85rem; }
.footer-brand p { font-size: 0.875rem; color: #9ca3af; margin-bottom: 1rem; line-height: 1.6; }
.social-links { display: flex; gap: 0.75rem; }
.social-links a { color: #fff; font-size: 1.25rem; text-decoration: none; }
.social-links a:hover { color: #f59e0b; }
.footer-col h4 { font-size: 0.8rem; letter-spacing: 0.1em; margin-bottom: 1rem; color: #f59e0b; }
.footer-col a { display: block; color: #9ca3af; text-decoration: none; font-size: 0.875rem; margin-bottom: 0.5rem; }
.footer-col a:hover { color: #fff; }
.footer-help p { color: #9ca3af; font-size: 0.875rem; margin-bottom: 0.5rem; }
.footer-copy { text-align: center; padding-top: 1.5rem; border-top: 1px solid #374151; font-size: 0.8rem; color: #6b7280; }

/* ===== LEGACY / OTHER PAGES ===== */
.nav { background: #1e293b; padding: 1rem 2rem; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { font-weight: bold; color: #fbbf24; text-decoration: none; font-size: 1.25rem; }
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { color: #94a3b8; text-decoration: none; }
.main { max-width: 1200px; margin: 0 auto; padding: 2rem; }
h1 { color: #fbbf24; margin-bottom: 1.5rem; font-size: 1.75rem; }
h2 { color: #f8fafc; margin: 1.5rem 0 0.75rem; font-size: 1.25rem; }
.card { background: #1e293b; border: 1px solid #334155; border-radius: 0.5rem; padding: 1.25rem; margin-bottom: 1rem; }
.card:hover { border-color: #fbbf24; }
.card a { color: #fbbf24; text-decoration: none; }
.card a:hover { text-decoration: underline; }
.text-muted { color: #94a3b8; font-size: 0.875rem; }
.btn { display: inline-block; padding: 0.5rem 1rem; background: #fbbf24; color: #0f172a; text-decoration: none; border-radius: 0.375rem; font-weight: 500; }
.btn:hover { background: #fcd34d; }
.btn-outline { background: transparent; border: 1px solid #fbbf24; color: #fbbf24; }
.btn-outline:hover { background: rgba(251, 191, 36, 0.1); }
.grid { display: grid; gap: 1rem; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.hero { text-align: center; padding: 3rem 0; }
.hero h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
.hero p { color: #94a3b8; margin-bottom: 2rem; max-width: 32rem; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-actions .btn { margin: 0.25rem; }
.list-item { padding: 0.75rem 1rem; background: #1e293b; border: 1px solid #334155; border-radius: 0.375rem; margin-bottom: 0.5rem; display: flex; justify-content: space-between; align-items: center; }
audio { width: 100%; margin-top: 0.5rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.375rem; color: #94a3b8; font-size: 0.875rem; }
.form-group input { width: 100%; padding: 0.5rem 0.75rem; background: #1e293b; border: 1px solid #334155; border-radius: 0.375rem; color: #e2e8f0; font-size: 1rem; }
.form-group input:focus { outline: none; border-color: #fbbf24; }
.form-group input::placeholder { color: #64748b; }
.form-group select {
  width: 100%; padding: 0.5rem 0.75rem; background: #1e293b; border: 1px solid #334155;
  border-radius: 0.375rem; color: #e2e8f0; font-size: 1rem; cursor: pointer;
}
.form-group select:focus { outline: none; border-color: #f59e0b; }
.form-group select option { background: #1e293b; color: #e2e8f0; }
.form-group input[type="radio"] { accent-color: #f59e0b; }
.form-errors { background: rgba(239, 68, 68, 0.15); border: 1px solid #ef4444; color: #fca5a5; padding: 0.75rem; border-radius: 0.375rem; margin-bottom: 1rem; }
.form-errors ul { margin: 0; padding-left: 1.25rem; }
.auth-card { max-width: 28rem; margin: 2rem auto; padding: 2rem; }
.checkbox-label { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-label input { width: auto; }