/* Landing Page Specific Styles */
/* Variables, CSS reset, and base utilities are in shared.css */

body {
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
  text-decoration: none;
  font-family: inherit;
}
.btn-primary { background: var(--btn-bg); color: var(--btn-text); }
.btn-primary:hover { opacity: 0.85; text-decoration: none; }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--text); text-decoration: none; }
.btn-large { padding: 16px 36px; font-size: 1rem; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; font-weight: 600; }

.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-secondary { color: var(--text-secondary); }

/* ── Marker Highlight ── */
mark.marker {
  background-color: transparent;
  color: inherit;
}
.marker {
  background-image: linear-gradient(to right, rgba(255, 224, 102, 0.45), rgba(255, 224, 102, 0.45));
  background-size: 100% 40%;
  background-repeat: no-repeat;
  background-position: 0 90%;
  padding: 0 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
@media (prefers-color-scheme: dark) {
  .marker {
    background-image: linear-gradient(to right, rgba(255, 224, 102, 0.2), rgba(255, 224, 102, 0.2));
  }
}
[data-theme="dark"] .marker {
  background-image: linear-gradient(to right, rgba(255, 224, 102, 0.2), rgba(255, 224, 102, 0.2));
}

/* ── Hero ── */
.hero { padding: 96px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero p { font-size: 1.1rem; color: var(--text-secondary); margin: 20px 0 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-free { margin-top: 14px; font-size: 0.85rem; color: var(--text-muted); }

.hero-visual {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.score-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.score-box {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius);
  min-width: 140px;
}
.score-box.before { background: var(--danger-bg); border: 1.5px solid var(--danger); }
.score-box.after { background: var(--success-bg); border: 1.5px solid var(--success); }
.score-box .score-num { font-size: 2.8rem; font-weight: 700; line-height: 1; }
.score-box.before .score-num { color: var(--danger); }
.score-box.after .score-num { color: var(--success); }
.score-box .score-label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); margin-top: 8px; }
.score-arrow { font-size: 1.5rem; color: var(--text-muted); }
.score-improvement { text-align: center; margin-top: 16px; font-size: 0.9rem; font-weight: 600; color: var(--text); }

/* ── Warning Banner ── */
.warning-banner {
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 48px 0;
  text-align: center;
}
.warning-banner h2 { color: var(--danger); font-size: clamp(1.4rem, 3.5vw, 2rem); margin-bottom: 12px; font-weight: 700; }
.warning-banner p { color: var(--text-muted); font-size: 1.05rem; max-width: 680px; margin: 0 auto; }
@media (prefers-color-scheme: dark) {
  .warning-banner { background: #111; }
  .warning-banner p { color: #aaa; }
}
[data-theme="dark"] .warning-banner { background: #111; }
[data-theme="dark"] .warning-banner p { color: #aaa; }

/* ── Funnel ── */
.funnel { padding: 96px 0; background: var(--bg-secondary); }
.funnel-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-top: 48px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.funnel-step {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
}
.funnel-step .step-icon { font-size: 2rem; margin-bottom: 12px; }
.funnel-step h3 { margin-bottom: 8px; }
.funnel-step p { font-size: 0.85rem; color: var(--text-secondary); }
.funnel-step .reject-rate {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
}
.funnel-step .pass-rate {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: var(--success-bg);
  color: var(--success);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
}
.funnel-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  padding-top: 48px;
}
.funnel-note {
  text-align: center;
  margin-top: 32px;
  font-size: 1rem;
  color: var(--text-secondary);
}
.funnel-note strong { color: var(--danger); }

/* ── Stats ── */
.stats { padding: 64px 0; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 28px 16px; }
.stat-card .stat-num { font-size: 2.2rem; font-weight: 700; color: var(--text); line-height: 1; }
.stat-card .stat-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 8px; }
.stat-card .stat-source { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; }

/* ── Before/After ── */
.before-after { padding: 96px 0; }
.ba-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
  font-size: 0.95rem;
}
.ba-table th { padding: 12px 16px; text-align: left; font-weight: 600; border-bottom: 2px solid var(--border); color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.ba-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.ba-table .score-before { color: var(--danger); font-weight: 600; }
.ba-table .score-after { color: var(--success); font-weight: 600; }
.ba-table .improvement { color: var(--text); font-weight: 600; }
.ba-table tr:last-child { background: var(--bg-secondary); font-weight: 600; }

/* ── Why Not ChatGPT ── */
.why-not { padding: 96px 0; background: var(--bg-secondary); }
.why-not-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.why-not-card { padding: 28px; background: var(--bg); border-radius: var(--radius); border: 1px solid var(--border); }
.why-not-card .card-icon { font-size: 1.8rem; margin-bottom: 14px; }
.why-not-card h3 { margin-bottom: 10px; }
.why-not-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ── Not Cheating ── */
.not-cheating { padding: 96px 0; }
.not-cheating-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.not-cheating-box {
  margin: 32px 0;
  padding: 32px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: left;
}
.not-cheating-box p { font-size: 1.02rem; margin-bottom: 18px; color: var(--text-secondary); }
.not-cheating-box p:last-child { margin-bottom: 0; }
.not-cheating-box strong { color: var(--text); }

/* ── How It Works ── */
.how-it-works { padding: 96px 0; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 40px; }
.step-card { text-align: center; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.step-card h3 { margin-bottom: 8px; }
.step-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ── Features ── */
.features { padding: 96px 0; background: var(--bg-secondary); }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.feature-card { padding: 24px; background: var(--bg); border-radius: var(--radius); border: 1px solid var(--border); }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ── Interview Prep Kit ── */
.interview-prep { padding: 96px 0; }
.interview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.interview-features { display: flex; flex-direction: column; gap: 20px; }
.interview-feature { display: flex; gap: 14px; align-items: start; }
.interview-feature-icon {
  width: 36px; height: 36px; border-radius: 6px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1.1rem;
}
.interview-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.interview-preview-header {
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 10px 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.interview-preview-body { padding: 20px; font-size: 0.82rem; }
.interview-preview-section { margin-bottom: 16px; }
.interview-preview-section:last-child { margin-bottom: 0; }
.interview-preview-section h4 { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.interview-preview-section p,
.interview-preview-section li { color: var(--text-secondary); }
.interview-preview-section ul { padding-left: 16px; margin: 0; }

/* ── Comparison Table ── */
.comparison { padding: 96px 0; background: var(--bg-secondary); }
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 700px;
  margin-top: 40px;
}
.comparison-table thead tr { border-bottom: 2px solid var(--border); }
.comparison-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.comparison-table th.highlight { color: var(--text); font-weight: 700; }
.comparison-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.comparison-table td.highlight { font-weight: 600; }
.comparison-table td.feature-name { font-weight: 600; }
.comparison-table .check { color: var(--success); font-weight: 600; }
.comparison-table .cross { color: var(--danger); }
.comparison-table .partial { color: #b45309; }

/* ── Pricing ── */
.pricing { padding: 96px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; max-width: 800px; margin-left: auto; margin-right: auto; }
.price-card { text-align: center; padding: 32px 24px; border-radius: var(--radius); border: 1px solid var(--border); }
.price-card.featured { border-color: var(--text); position: relative; }
.price-card.featured::before {
  content: 'POPULAR';
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--btn-bg); color: var(--btn-text);
  font-size: 0.65rem; font-weight: 700; padding: 2px 12px;
  border-radius: var(--radius); letter-spacing: 0.05em;
}
.price-card .price { font-size: 2.4rem; font-weight: 700; margin: 12px 0; }
.price-card .price-sub { font-size: 0.85rem; color: var(--text-secondary); }
.price-card ul { list-style: none; text-align: left; margin: 20px 0; }
.price-card li { padding: 5px 0; font-size: 0.9rem; color: var(--text-secondary); }
.price-card li::before { content: '✓ '; color: var(--success); font-weight: 600; }

/* ── FAQ ── */
.faq { padding: 96px 0; background: var(--bg-secondary); }
.faq-list { max-width: 680px; margin: 40px auto 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  padding: 18px 0;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-q::after { content: '+'; font-size: 1.3rem; color: var(--text-muted); transition: transform 0.2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 18px; }

/* ── CTA Banner ── */
.cta-banner {
  padding: 96px 0;
  background: var(--btn-bg);
  color: var(--btn-text);
  text-align: center;
}
.cta-banner h2 { color: var(--btn-text); margin-bottom: 16px; }
.cta-banner p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-banner .btn {
  background: var(--btn-text);
  color: var(--btn-bg);
  font-weight: 700;
}
.cta-banner .btn:hover { opacity: 0.9; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .funnel-steps { grid-template-columns: 1fr; gap: 12px; }
  .funnel-arrow { transform: rotate(90deg); padding: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .why-not-grid, .steps-grid, .features-grid, .pricing-grid { grid-template-columns: 1fr; }
  .interview-grid { grid-template-columns: 1fr; }
  .score-compare { flex-direction: column; gap: 12px; }
  .score-arrow { transform: rotate(90deg); }
  .hero { padding: 64px 0 48px; }
}