/* Chrome Extension Landing Page — Design v2 */

/* Override global animate: hero content must be visible immediately */
.ext-hero [data-animate] {
  opacity: 1 !important;
  transform: none !important;
}

/* ── Hero ── */
.ext-hero {
  padding: var(--space-20) 0 var(--space-12);
}
.ext-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.ext-hero__content { max-width: 560px; }
.ext-hero h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  margin: var(--space-4) 0;
}
.ext-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}
.ext-hero__cta { margin-bottom: var(--space-3); }
.ext-hero__alt {
  font-size: var(--text-sm);
  margin: 0 auto var(--space-4);
  color: var(--color-text-muted);
  text-align: center;
  width: 100%;
}

/* Hide desktop CTA on mobile, show mobile CTA on mobile */
.ext-hero__mobile-cta { display: none; }

/* Chrome CTA button */
.btn-chrome {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
  text-decoration: none;
  box-shadow: 0 4px 0 var(--color-primary-dark);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-chrome:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--color-primary-dark);
  color: #fff;
}
.btn-chrome:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 var(--color-primary-dark);
}
.btn-chrome--lg {
  font-size: var(--text-xl);
  padding: var(--space-4) var(--space-10);
}
.btn-chrome__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Pulse on hero CTA to draw eye */
.ext-hero__cta .btn-chrome {
  animation: pulse-glow 2.5s ease-in-out infinite;
  animation-delay: 1s;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 0 var(--color-primary-dark), 0 0 0 0 rgba(41, 98, 255, 0.4); }
  50% { box-shadow: 0 4px 0 var(--color-primary-dark), 0 0 0 10px rgba(41, 98, 255, 0); }
}

/* ── Browser Frame (macOS traffic lights) ── */
.browser-frame {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.browser-frame__bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}
.browser-frame__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.browser-frame__dot:nth-child(1) { background: #FF5F56; }
.browser-frame__dot:nth-child(2) { background: #FFBD2E; }
.browser-frame__dot:nth-child(3) { background: #27C93F; }
.browser-frame img {
  display: block;
  width: 100%;
  height: auto;
}
.browser-frame--sm {
  max-width: 100%;
}
.browser-frame--sm img {
  aspect-ratio: 1280 / 800;
  object-fit: cover;
  object-position: top;
}

/* ── How It Works (horizontal on desktop) ── */
.ext-how-it-works {
  padding: var(--space-16) 0;
}
.ext-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-8);
  position: relative;
}
/* Connecting dashed line between steps */
.ext-timeline::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 0;
  border-top: 2px dashed var(--color-border);
}
.ext-timeline-step {
  text-align: center;
  position: relative;
}
.ext-timeline-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  position: relative;
  z-index: 1;
}
.ext-timeline-step h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.ext-timeline-step p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ── Screenshots Gallery (staggered) ── */
.ext-screenshots {
  padding: var(--space-16) 0;
}
.ext-screenshots__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.ext-screenshots__grid .browser-frame {
  transition: transform 0.25s ease;
}
.ext-screenshots__grid .browser-frame:nth-child(1) { transform: rotate(-1deg); }
.ext-screenshots__grid .browser-frame:nth-child(2) { transform: rotate(0.5deg); }
.ext-screenshots__grid .browser-frame:nth-child(3) { transform: rotate(0.5deg); }
.ext-screenshots__grid .browser-frame:nth-child(4) { transform: rotate(-1deg); }
.ext-screenshots__grid .browser-frame:hover {
  transform: rotate(0) scale(1.02);
  z-index: 1;
}

/* ── Features Grid (SVG icon containers) ── */
.ext-features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.ext-features__grid .card {
  transition: transform 0.2s, box-shadow 0.2s;
}
.ext-features__grid .card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}
.ext-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(41, 98, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--color-primary-light);
}
.ext-feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentcolor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Section Intro ── */
.ext-section-intro {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
  max-width: 720px;
  margin: var(--space-4) auto var(--space-8);
  text-align: center;
}

/* ── Comparison Table (highlighted LearnClash column) ── */
.ext-compare {
  padding: var(--space-16) 0;
}
.ext-compare__table-wrap {
  overflow-x: auto;
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.ext-compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.ext-compare__table thead th {
  background: rgba(255, 255, 255, 0.04);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
/* Highlight LearnClash column */
.ext-compare__table thead th:nth-child(2) {
  color: var(--color-primary-light);
  background: rgba(41, 98, 255, 0.08);
}
.ext-compare__table tbody td:first-of-type {
  background: rgba(41, 98, 255, 0.05);
  color: var(--color-text);
  font-weight: 500;
}
.ext-compare__table tbody th {
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.ext-compare__table tbody td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}
.ext-compare__verdict {
  color: var(--color-text-secondary);
  margin: var(--space-6) auto 0;
  font-size: var(--text-base);
  line-height: 1.6;
  max-width: 600px;
  text-align: center;
}

/* ── Bridge CTA (gradient card) ── */
.ext-bridge {
  padding: var(--space-16) 0;
}
.ext-bridge__content {
  background: linear-gradient(135deg, rgba(41, 98, 255, 0.15) 0%, rgba(255, 77, 77, 0.1) 100%);
  border: 1px solid rgba(41, 98, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Subtle glow behind */
.ext-bridge__content::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(41, 98, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.ext-bridge h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  position: relative;
}
.ext-bridge__text {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
  position: relative;
}
.ext-bridge__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  position: relative;
}
.ext-bridge__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.ext-bridge__qr img {
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 6px;
  border: 1px solid var(--color-border);
}
.ext-bridge__qr span {
  font-size: var(--text-xs);
}
.ext-bridge__link {
  color: var(--color-primary-light);
  font-weight: 600;
  text-decoration: none;
  font-size: var(--text-base);
  position: relative;
}
.ext-bridge__link:hover {
  text-decoration: underline;
}

/* ── FAQ (animated open/close) ── */
.ext-faq details {
  border-bottom: 1px solid var(--color-border);
}
.ext-faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.ext-faq summary::-webkit-details-marker { display: none; }
.ext-faq summary::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.ext-faq details[open] summary::after {
  content: '−';
  color: var(--color-primary-light);
}
/* Native <details> handles show/hide; +/− icons styled above */

/* ── Bottom CTA ── */
.ext-bottom-cta {
  margin-top: var(--space-6);
  text-align: center;
}
.ext-bottom-cta .ext-hero__alt {
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 767px) {
  .ext-hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .ext-hero__content { max-width: 100%; }
  .ext-hero h1 { font-size: var(--text-3xl); }
  .ext-hero__visual {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }
  /* Mobile: hide "Add to Chrome", show app badges */
  .ext-hero__desktop-cta { display: none; }
  .ext-hero__mobile-cta { display: block; margin-bottom: var(--space-4); }

  .ext-timeline {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .ext-timeline::before { display: none; }
  .ext-timeline-step { text-align: left; display: flex; gap: var(--space-4); align-items: flex-start; }
  .ext-timeline-number { margin: 0; flex-shrink: 0; width: 40px; height: 40px; }

  .ext-screenshots__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .ext-screenshots__grid .browser-frame { transform: none !important; margin-top: 0 !important; }

  .ext-features__grid { grid-template-columns: 1fr; }
  .ext-bridge__content { padding: var(--space-6); }
  .ext-bridge__actions { flex-direction: column; }
  .btn-chrome { width: 100%; justify-content: center; }

  /* Bottom CTA: show app badges on mobile, hide Chrome button */
  .ext-bottom__desktop { display: none; }
  .ext-bottom__mobile { display: block; }
}
@media (min-width: 768px) {
  .ext-bottom__mobile { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ext-hero__cta .btn-chrome { animation: none; }
  .ext-screenshots__grid .browser-frame { transform: none !important; }
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}