/* ═══════════════════════════════════
   LANDING PAGE LAYER — shared by the 7 hand-written landing pages
   (ai-chat-app, ai-image-generator, ai-photo-editor, ai-screenshot-analyzer,
    ai-web-search, ai-assistants, iphone-ai-app)
   Requires /styles/theme.css. Visual layer only.
═══════════════════════════════════ */

/* ── Hero ─────────────────────────── */
.hero {
  position: relative;
  display: grid;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 150px 24px 80px;
  align-items: center;
}

.hero-inner,
.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-media {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.hero-media img {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 30px 80px rgba(139, 92, 246, 0.28));
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-purple);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

.lead {
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.note {
  color: var(--accent-purple-soft);
  font-size: 0.88rem;
  font-weight: 500;
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .hero-media {
    order: 2;
  }

  .hero-inner,
  .hero-copy {
    order: 1;
  }
}

/* ── Proof row ────────────────────── */
.proof-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.proof-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.proof-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

.proof-item strong {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.proof-item span {
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.45;
}

/* ── Section scaffolding ──────────── */
.section {
  padding: 90px 24px;
}

.section.alt {
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.04), transparent 40%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-purple);
  margin-bottom: 14px;
}

.section-head h2,
.section-inner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-head p {
  margin-top: 16px;
  color: var(--text-secondary);
}

/* ── Definition (What it is) ──────── */
.definition {
  display: grid;
  gap: 36px;
  align-items: start;
}

.definition > div:first-child > p:last-child {
  margin-top: 16px;
  color: var(--text-secondary);
}

.definition-box {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px 28px;
  background: radial-gradient(130% 100% at 50% 0%, rgba(139, 92, 246, 0.14), transparent 60%), var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.definition-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.definition-box strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.definition-box span {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (min-width: 900px) {
  .definition {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

/* ── Feature cards (with mockups) ─── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  z-index: 1;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.feature-card > img {
  display: block;
  width: 100%;
  height: auto;
}

.feature-card.large {
  grid-column: span 3;
}

@media (min-width: 900px) {
  .feature-card.large {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }

  .feature-card.large > img {
    height: 100%;
    object-fit: cover;
  }
}

.feature-copy {
  padding: 22px 24px 26px;
}

.feature-copy span {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-purple);
  margin-bottom: 10px;
}

.feature-copy h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.feature-copy p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ── Answer / task cards ──────────── */
.answer-grid,
.task-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.answer-card,
.task-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background: radial-gradient(120% 90% at 50% 0%, rgba(139, 92, 246, 0.1), transparent 65%), var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}

.answer-card::before,
.task-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

.answer-card:hover,
.task-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.answer-card > span,
.task-card > span {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-purple);
}

.answer-card h3,
.task-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.answer-card p,
.task-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ── Link cards (related pages) ───── */
.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.link-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

.link-card:hover {
  border-color: rgba(139, 92, 246, 0.45);
  transform: translateY(-3px);
}

.link-card span {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
}

.link-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.link-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ── FAQ ──────────────────────────── */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.faq-item {
  position: relative;
  padding: 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

.faq-item h3 {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ── Final CTA ────────────────────── */
.final-cta,
.cta {
  padding: 110px 24px 90px;
  text-align: center;
}

.final-cta h2,
.cta h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  max-width: 720px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, #fff 0%, #8b5cf6 55%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.final-cta > p,
.cta > p {
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 30px;
}

.final-cta .hero-actions,
.cta .hero-actions {
  align-items: center;
}

/* ── Footer (plain <footer> on landing pages) ── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  padding: 48px 24px;
  margin-top: 40px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

footer a {
  color: var(--text-tertiary);
  text-decoration: none;
  font-weight: 500;
}

footer a:hover {
  color: var(--text-secondary);
}

/* ── Responsive ───────────────────── */
@media (max-width: 1023px) {
  .proof-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .answer-grid,
  .task-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-card.large {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 130px;
  }

  .proof-row,
  .feature-grid,
  .answer-grid,
  .task-grid,
  .link-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .feature-card.large {
    grid-column: span 1;
  }

  .section {
    padding: 70px 20px;
  }
}