/* advertise.css — Brand Ad Sales page. Dark theme, neon purple accents, B2B tone.
   Owns: /advertise layout and component styles.
   Does NOT own: sidebar (sidebar.css), shared design tokens (theme.css). */

:root {
  --adv-purple: #A855F7;
  --adv-purple-dim: rgba(168, 85, 247, 0.12);
  --adv-purple-glow: rgba(168, 85, 247, 0.3);
  --adv-bg: #050508;
  --adv-surface: #0C0C12;
  --adv-surface-2: #13131D;
  --adv-border: #1E1E2E;
  --adv-text: #B0B0C0;
  --adv-text-muted: #6B6B80;
  --adv-white: #F5F5FF;
  --adv-green: #22C55E;
  --adv-cyan: #06B6D4;
  --adv-radius: 12px;
}

/* ── Page wrapper ──────────────────────────────────────────────── */
.adv-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ── Hero ──────────────────────────────────────────────────────── */
.adv-hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}
.adv-badge {
  display: inline-block;
  padding: 0.3rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--adv-purple);
  background: var(--adv-purple-dim);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.adv-hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--adv-white);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.adv-hero h1 .adv-highlight {
  background: linear-gradient(135deg, var(--adv-purple), #C084FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.adv-hero-sub {
  font-size: 1.15rem;
  color: var(--adv-text);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}
.adv-cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.adv-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--adv-purple);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--adv-radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.adv-btn-primary:hover {
  background: #9333EA;
  box-shadow: 0 0 24px var(--adv-purple-glow);
}
.adv-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--adv-purple);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid rgba(168, 85, 247, 0.4);
  border-radius: var(--adv-radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.adv-btn-secondary:hover {
  background: var(--adv-purple-dim);
  border-color: var(--adv-purple);
}

/* ── Section headings ──────────────────────────────────────────── */
.adv-section {
  margin-top: 4rem;
}
.adv-section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--adv-white);
  margin-bottom: 0.5rem;
}
.adv-section-sub {
  color: var(--adv-text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* ── What Brands Get grid ──────────────────────────────────────── */
.adv-surfaces-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.adv-surface-card {
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.adv-surface-card:hover {
  border-color: var(--adv-purple);
  transform: translateY(-2px);
}
.adv-surface-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}
.adv-surface-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--adv-white);
  margin-bottom: 0.5rem;
}
.adv-surface-card p {
  color: var(--adv-text);
  font-size: 0.875rem;
  line-height: 1.55;
}

/* ── Why NovaReelOS Works ─────────────────────────────────────── */
.adv-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.adv-why-card {
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 1.5rem;
  text-align: center;
}
.adv-why-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--adv-purple);
  margin-bottom: 0.5rem;
}
.adv-why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--adv-white);
  margin-bottom: 0.4rem;
}
.adv-why-card p {
  color: var(--adv-text);
  font-size: 0.85rem;
  line-height: 1.55;
}

/* ── Campaign types ────────────────────────────────────────────── */
.adv-campaigns-list {
  display: grid;
  gap: 1rem;
}
.adv-campaign-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s;
}
.adv-campaign-item:hover {
  border-color: var(--adv-purple);
}
.adv-campaign-num {
  min-width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--adv-purple-dim);
  color: var(--adv-purple);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 8px;
  flex-shrink: 0;
}
.adv-campaign-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--adv-white);
  margin-bottom: 0.25rem;
}
.adv-campaign-item p {
  color: var(--adv-text);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ── Pricing table ─────────────────────────────────────────────── */
.adv-pricing-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.adv-pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.adv-pricing-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--adv-text-muted);
  border-bottom: 1px solid var(--adv-border);
  white-space: nowrap;
}
.adv-pricing-table td {
  padding: 0.85rem 1rem;
  color: var(--adv-text);
  border-bottom: 1px solid rgba(30,30,46,0.5);
  white-space: nowrap;
}
.adv-pricing-table tr:hover td {
  background: var(--adv-surface);
}
.adv-pricing-table .adv-price-val {
  color: var(--adv-white);
  font-weight: 600;
}
.adv-pricing-table .adv-dash {
  color: var(--adv-text-muted);
}

/* ── ROI Calculator ────────────────────────────────────────────── */
.adv-calc {
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 2rem;
}
.adv-calc-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.adv-calc-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--adv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}
.adv-calc-field select,
.adv-calc-field input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--adv-bg);
  color: var(--adv-white);
  border: 1px solid var(--adv-border);
  border-radius: 8px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.adv-calc-field select:focus,
.adv-calc-field input:focus {
  border-color: var(--adv-purple);
}
.adv-calc-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.adv-calc-metric {
  text-align: center;
  padding: 1rem;
  background: var(--adv-bg);
  border-radius: 8px;
  border: 1px solid var(--adv-border);
}
.adv-calc-metric .adv-calc-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--adv-purple);
  font-family: 'Montserrat', sans-serif;
}
.adv-calc-metric .adv-calc-label {
  font-size: 0.75rem;
  color: var(--adv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.25rem;
}

/* ── Brand safety ──────────────────────────────────────────────── */
.adv-safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.adv-safety-card {
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 1.5rem;
}
.adv-safety-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--adv-white);
  margin-bottom: 0.5rem;
}
.adv-safety-card p {
  color: var(--adv-text);
  font-size: 0.85rem;
  line-height: 1.55;
}
.adv-safety-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--adv-purple);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.75rem;
  text-decoration: none;
}
.adv-safety-link:hover { text-decoration: underline; }

/* ── Social proof ──────────────────────────────────────────────── */
.adv-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.adv-proof-card {
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 1.5rem;
}
.adv-proof-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--adv-white);
  margin-bottom: 0.5rem;
}
.adv-proof-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
}
.adv-proof-stat {
  text-align: center;
}
.adv-proof-stat .adv-stat-num {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--adv-green);
  font-family: 'Montserrat', sans-serif;
}
.adv-proof-stat .adv-stat-label {
  font-size: 0.7rem;
  color: var(--adv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.adv-proof-card p {
  color: var(--adv-text);
  font-size: 0.85rem;
  line-height: 1.5;
}
.adv-stat-banner {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--adv-purple-dim), rgba(6,182,212,0.08));
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  margin-bottom: 1.5rem;
}
.adv-stat-banner .adv-stat-big {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--adv-purple);
  font-family: 'Montserrat', sans-serif;
}
.adv-stat-banner p {
  color: var(--adv-text);
  font-size: 0.9rem;
}

/* ── Contact form ──────────────────────────────────────────────── */
.adv-form-wrap {
  max-width: 600px;
  margin: 0 auto;
  background: var(--adv-surface);
  border: 1px solid var(--adv-border);
  border-radius: var(--adv-radius);
  padding: 2rem;
}
.adv-form-grid {
  display: grid;
  gap: 1rem;
}
.adv-form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--adv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}
.adv-form-group input,
.adv-form-group select,
.adv-form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--adv-bg);
  color: var(--adv-white);
  border: 1px solid var(--adv-border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.adv-form-group input:focus,
.adv-form-group select:focus,
.adv-form-group textarea:focus {
  border-color: var(--adv-purple);
}
.adv-form-submit {
  margin-top: 0.5rem;
}
.adv-form-error {
  color: #F87171;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.2);
  border-radius: 8px;
}

/* ── Success state ─────────────────────────────────────────────── */
.adv-success {
  text-align: center;
  padding: 3rem 1.5rem;
}
.adv-success-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.adv-success h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem;
  color: var(--adv-white);
  margin-bottom: 0.75rem;
}
.adv-success p {
  color: var(--adv-text);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .adv-page { padding: 1rem 1rem 3rem; }
  .adv-hero { padding: 2.5rem 0.5rem 2rem; }
  .adv-hero h1 { font-size: 1.75rem; }
  .adv-why-grid { grid-template-columns: 1fr; }
  .adv-surfaces-grid { grid-template-columns: 1fr; }
  .adv-calc-inputs { grid-template-columns: 1fr; }
  .adv-calc-results { grid-template-columns: 1fr; }
  .adv-safety-grid { grid-template-columns: 1fr; }
  .adv-proof-grid { grid-template-columns: 1fr; }
  .adv-form-wrap { padding: 1.25rem; }
  .adv-cta-row { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .adv-pricing-table { font-size: 0.78rem; }
  .adv-pricing-table th,
  .adv-pricing-table td { padding: 0.6rem 0.5rem; }
}