/* Cosmetology Board Exam Prep - Design System */
:root {
  --navy: #1E3A5F;
  --navy-dark: #142844;
  --navy-light: #2a4f7f;
  --gold: #F59E0B;
  --gold-dark: #D97706;
  --gold-light: #FCD34D;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --red: #EF4444;
  --green: #10B981;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-dark); }

/* ── HEADER ── */
header {
  background: var(--navy);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo span { color: var(--gold); }
nav a {
  color: var(--gray-300);
  margin-left: 1.5rem;
  font-size: 0.9rem;
  transition: color 0.2s;
}
nav a:hover { color: var(--white); }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
  color: var(--white);
  padding: 5rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(245,158,11,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-badge {
  display: inline-block;
  background: rgba(245,158,11,0.2);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  max-width: 780px;
  margin: 0 auto 1.5rem;
  letter-spacing: -0.03em;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}
.hero-stat-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.stat {
  text-align: center;
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-dark);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.9rem 2.5rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--gold-dark);
  color: var(--navy-dark);
  transform: translateY(-1px);
}
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,0.35);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-left: 1rem;
  text-decoration: none;
}
.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  color: var(--white);
}

/* ── SECTIONS ── */
section { padding: 4rem 2rem; }
.container { max-width: 1000px; margin: 0 auto; }
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.section-sub {
  color: var(--gray-500);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ── FAIL RATE ALERT ── */
.alert-box {
  background: #FEF3C7;
  border-left: 5px solid var(--gold);
  padding: 1.5rem 2rem;
  border-radius: 0 8px 8px 0;
  margin: 3rem auto;
  max-width: 800px;
}
.alert-box h3 { color: var(--navy); font-size: 1.2rem; margin-bottom: 0.5rem; }
.alert-box p { color: var(--gray-700); }

/* ── PRICING CARDS ── */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 760px;
  margin: 0 auto;
}
@media (max-width: 600px) { .pricing-grid { grid-template-columns: 1fr; } }

.card {
  border: 2px solid var(--gray-200);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
}
.card-featured {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(245,158,11,0.12);
}
.card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--navy-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 1rem;
  border-radius: 999px;
}
.card h3 {
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.price-tag {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0.75rem 0;
}
.price-tag small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-500);
}
.feature-list {
  list-style: none;
  margin: 1rem 0 1.5rem;
}
.feature-list li {
  padding: 0.35rem 0;
  font-size: 0.95rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.feature-list li::before { content: '✓'; color: var(--green); font-weight: 700; }
.feature-list li.no::before { content: '✗'; color: var(--gray-300); }
.guarantee {
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 0.75rem;
}

/* ── DOMAINS ── */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.domain-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  border-top: 4px solid var(--gold);
}
.domain-card h4 {
  color: var(--navy);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.domain-card p { font-size: 0.9rem; color: var(--gray-500); }

/* ── TESTIMONIALS ── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.testimonial {
  background: var(--gray-50);
  border-radius: 12px;
  padding: 1.5rem;
  border-left: 4px solid var(--gold);
}
.testimonial p { font-style: italic; color: var(--gray-700); margin-bottom: 0.75rem; }
.testimonial-author { font-weight: 700; color: var(--navy); font-size: 0.9rem; }

/* ── FOOTER ── */
footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
}
footer a { color: var(--gold); }

/* ── QUIZ STYLES ── */
.quiz-wrapper {
  max-width: 820px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}
.quiz-header {
  background: var(--navy);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: 12px 12px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.timer {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 0;
}
.progress-fill {
  height: 100%;
  background: var(--gold);
  transition: width 0.3s;
}
.question-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-top: none;
  padding: 2rem;
  border-radius: 0 0 12px 12px;
  min-height: 340px;
}
.question-num {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}
.question-text {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.options { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.option-btn {
  width: 100%;
  text-align: left;
  padding: 0.9rem 1.2rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  font-size: 0.98rem;
  color: var(--gray-700);
  transition: border-color 0.15s, background 0.15s;
}
.option-btn:hover { border-color: var(--navy); background: var(--gray-50); }
.option-btn.correct { border-color: var(--green); background: #D1FAE5; color: #065F46; }
.option-btn.incorrect { border-color: var(--red); background: #FEE2E2; color: #991B1B; }
.option-btn.disabled { cursor: default; pointer-events: none; }
.explanation {
  margin-top: 1rem;
  padding: 1rem;
  background: #EFF6FF;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #1E40AF;
  border-left: 4px solid #3B82F6;
}
.quiz-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
}
.score-display {
  text-align: center;
  padding: 2rem;
}
.score-big {
  font-size: 4rem;
  font-weight: 800;
  color: var(--navy);
}
.score-label { color: var(--gray-500); font-size: 1.1rem; }

/* ── STUDY GUIDE ── */
.study-toc {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.study-toc h3 { color: var(--navy); margin-bottom: 0.75rem; }
.study-toc ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.study-toc a { color: var(--navy); font-size: 0.95rem; }
.study-toc a:hover { color: var(--gold-dark); }

.study-section {
  border-bottom: 2px solid var(--gray-200);
  padding-bottom: 3rem;
  margin-bottom: 3rem;
}
.study-section h2 {
  color: var(--navy);
  font-size: 1.6rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--gold);
  display: inline-block;
}
.study-section h3 {
  color: var(--navy);
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}
.study-section p, .study-section li {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 0.4rem;
}
.study-section ul, .study-section ol {
  padding-left: 1.5rem;
  margin: 0.5rem 0;
}
.tip-box {
  background: #FEF3C7;
  border-left: 4px solid var(--gold);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1rem 0;
  font-size: 0.95rem;
  color: var(--gray-700);
}
.tip-box strong { color: var(--navy); }