/* Landing Page — Dark theme matching Dashboard */

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

:root {
  --color-bg: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-card: #1a1a1a;
  --color-bg-elevated: #222222;
  --color-border: #2a2a2a;
  --color-accent: #8EBF42;
  --color-accent-hover: #A5D454;
  --color-accent-dim: rgba(142, 191, 66, 0.1);
  --color-text: #ffffff;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #666666;
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(1rem, 5vw, 3rem);
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-badge {
  background: var(--color-accent);
  color: #0a0a0a;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: #0a0a0a;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 8px 18px;
}

.btn-lg {
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
}

/* ---- Hero ---- */
.hero {
  padding: clamp(4rem, 12vw, 8rem) 0 clamp(3rem, 8vw, 6rem);
  text-align: center;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ---- Sections ---- */
.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-alt {
  background: var(--color-bg-secondary);
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* ---- Steps (How it works) ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition);
}

.step-card:hover {
  border-color: var(--color-accent);
}

.step-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---- Features Grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ---- Preview Cards (Dashboard / Extension) ---- */
.preview-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.preview-card.reverse {
  grid-template-columns: 1fr 1.4fr;
}

@media (max-width: 768px) {
  .preview-card,
  .preview-card.reverse {
    grid-template-columns: 1fr;
  }
}

.preview-mockup {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.mockup-dots span:first-child { background: #f87171; }
.mockup-dots span:nth-child(2) { background: #fbbf24; }
.mockup-dots span:last-child { background: #34d399; }

.mockup-title {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.mockup-body {
  padding: 12px;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.mockup-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 0.7fr 0.6fr 0.4fr;
  gap: 8px;
  padding: 8px 8px;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

.mockup-row.header-row {
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

.mockup-row:last-child {
  border-bottom: none;
}

.tag {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.65rem;
  white-space: nowrap;
}

.badge {
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.65rem;
  text-align: center;
}

.preview-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.preview-feature {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-left: 16px;
  border-left: 2px solid var(--color-accent);
}

.preview-feature strong {
  color: var(--color-text);
}

/* ---- Extension Mockup ---- */
.extension-body {
  padding: 16px;
  font-family: inherit;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ext-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.running {
  background: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent);
}

.ext-user {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

.ext-counters {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.ext-log {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  padding: 10px;
  background: var(--color-bg);
  border-radius: var(--radius);
}

/* ---- Export Steps ---- */
.export-steps {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.export-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.export-step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #0a0a0a;
  font-weight: 700;
  border-radius: 50%;
  font-size: 0.9rem;
}

.export-step-content h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.export-step-content p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ---- FAQ ---- */
.faq-grid {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: var(--color-accent);
}

.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.925rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-text-muted);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq-item p {
  padding: 0 20px 16px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ---- CTA Section ---- */
.cta-section {
  text-align: center;
}

.cta-block {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 4rem);
}

.cta-block h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 12px;
  font-weight: 700;
}

.cta-block p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  font-size: 1rem;
}

/* ---- Footer ---- */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}