/* === LANDING.CSS ===
   Claude API Platform - Landing page
   Dev Terminal SaaS aesthetic (JetBrains Mono + Inter)
*/

/* === Nav === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: hsla(220, 20%, 5%, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
html.light-theme .nav {
  background: hsla(220, 20%, 96%, 0.85);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}
.nav-logo svg { color: var(--color-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-links a:not(.btn) {
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
}
.nav-links a:not(.btn):hover { color: var(--text-primary); }

/* === Lang switcher === */
.lang-switcher {
  display: flex;
  gap: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px;
}
.lang-btn {
  background: none;
  border: none;
  padding: 4px 10px;
  border-radius: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s var(--ease-out-quart);
  letter-spacing: 0.5px;
}
.lang-btn:hover {
  color: var(--text-primary);
}
.lang-btn.active {
  color: hsl(220, 20%, 5%);
  background: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 1px 4px hsla(152, 69%, 45%, 0.3);
}
html.light-theme .lang-btn.active {
  color: #fff;
}

/* === Hero === */
.hero {
  padding: 120px 0 60px;
  text-align: center;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-badge {
  margin-bottom: 16px;
}
.hero-title {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.hero-accent {
  color: var(--color-primary);
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
}

/* === Code block === */
.hero-code {
  max-width: 560px;
  margin: 0 auto 32px;
  text-align: left;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.code-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.code-file {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.code-body {
  padding: 16px;
  background: var(--bg-card);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
}
.code-body code { color: var(--text-primary); }
.c-key { color: var(--color-purple); }
.c-str { color: var(--color-primary); }
.c-param { color: var(--color-blue); }

/* === Hero actions === */
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* === Section === */
.section-title {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* === Features === */
.features {
  padding: 60px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.feature-card {
  padding: 16px;
}
.feature-icon {
  margin-bottom: 10px;
}
.feature-card h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* === Pricing === */
.pricing {
  padding: 60px 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}
.pricing-card {
  padding: 20px;
  position: relative;
  overflow: visible;
}
.pricing-featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
  border-radius: var(--radius);
}
.pricing-badge {
  position: absolute;
  top: -11px;
  right: 16px;
  z-index: 2;
  background: var(--color-primary);
  color: var(--bg-primary);
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}
.pricing-name {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.pricing-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.pricing-price {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.pricing-price span {
  font-weight: 400;
  font-size: 12px;
  color: var(--text-muted);
}
.pricing-estimate {
  font-size: 12px;
  color: var(--color-primary);
  margin: 10px 0 16px;
  font-weight: 500;
}
.pricing-features {
  list-style: none;
}
.pricing-features li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
}
.pricing-features li::before {
  content: '+';
  color: var(--color-primary);
  margin-right: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
}
.pricing-cta {
  text-align: center;
}

/* === Footer === */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}
.footer-brand svg { color: var(--color-primary); }
.footer-links {
  display: flex;
  gap: 16px;
}
.footer-links a {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text-primary); }
.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

/* === Code dots (window controls) === */
.dot-red { background: hsl(0, 84%, 60%); }
.dot-yellow { background: hsl(38, 92%, 50%); }
.dot-green { background: hsl(152, 69%, 45%); }

/* === Feature icon colors === */
.icon-primary { color: var(--color-primary); }
.icon-blue { color: var(--color-blue); }
.icon-yellow { color: var(--color-yellow); }
.icon-purple { color: var(--color-purple); }

/* === UNIQUE (Authorial products: JSON Constructor / Normalizer / SDK) === */
.unique {
  padding: 80px 0;
  background: color-mix(in oklab, var(--color-primary, #10b981) 3%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.unique .container { text-align: center; }
.unique-badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.unique-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
  text-align: left;
}
.unique-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 24px;
  border-radius: 14px;
  transition: transform 0.25s var(--ease-out-quart), border-color 0.25s;
}
.unique-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--color-primary) 40%, var(--border));
}
.unique-featured {
  border-color: color-mix(in oklab, var(--color-blue, #3b82f6) 40%, var(--border));
  box-shadow: 0 8px 32px color-mix(in oklab, var(--color-blue, #3b82f6) 10%, transparent);
}
.unique-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in oklab, currentColor 12%, transparent);
}
.unique-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.unique-card h3 {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0;
  color: var(--text-primary);
}
.unique-card > p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.unique-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.unique-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.unique-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}
.unique-audience {
  margin: 56px auto 0;
  max-width: 720px;
  text-align: left;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 20px 24px;
  border-left: 3px solid var(--color-primary);
  background: color-mix(in oklab, var(--color-primary) 4%, transparent);
  border-radius: 0 8px 8px 0;
}
.unique-audience strong { color: var(--text-primary); }

/* === Responsive === */
@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .features-grid, .pricing-grid { grid-template-columns: 1fr; }
  .unique-grid { grid-template-columns: 1fr; gap: 16px; }
  .unique { padding: 48px 0; }
  .hero-actions { flex-direction: column; align-items: center; }
  .nav-links a:not(.btn):not(.theme-btn) { display: none; }
  .lang-btn { padding: 3px 7px; font-size: 10px; }
  .footer-inner { flex-direction: column; gap: 12px; }
}