/* ========================================
   Variables & Theme
   ======================================== */

:root {
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-card: #1a1a2e;
  --color-bg-hover: #27273a;
  --color-border: #2a2a3e;
  --color-text-primary: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-success: #22c55e;
  --color-success-hover: #16a34a;
  --color-error: #ef4444;
  --color-accent: #3b82f6;
  --font-sans:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
    Arial, sans-serif;
  --max-width: 960px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* ========================================
   Reset & Base (minimal, normalize is CDN)
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-success);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

img {
  max-width: 100%;
  display: block;
}

/* ========================================
   Layout Components
   ======================================== */

/* ---------- Container ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */
.header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  background: rgba(17, 17, 24, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-success);
}

.header__nav {
  display: flex;
  gap: 1.5rem;
}

.header__link {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.header__link:hover {
  color: var(--color-success);
}

/* ---------- Footer ---------- */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Section ---------- */
.section {
  padding: 5rem 0;
}

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

.section__title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  padding: 6rem 0 4rem;
  text-align: center;
  background: linear-gradient(
    180deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  );
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero__title--green {
  color: var(--color-success);
}

.hero__title--red {
  color: var(--color-error);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn--primary {
  background: var(--color-success);
  color: var(--color-bg-primary);
}

.btn--primary:hover {
  background: var(--color-success-hover);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-bg-hover);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* ========================================
   Features Grid
   ======================================== */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--color-success);
}

.feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ========================================
   Steps (How It Works)
   ======================================== */

.steps {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-success);
  color: var(--color-bg-primary);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.step__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ========================================
   Pricing Cards
   ======================================== */

.pricing {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.pricing-card {
  flex: 1;
  min-width: 280px;
  max-width: 380px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.pricing-card--featured {
  border-color: var(--color-success);
  border-width: 2px;
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  right: 1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: var(--color-success);
  color: var(--color-bg-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card__name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.pricing-card__price--muted {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-card__feature {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.pricing-card__feature--yes::before {
  content: '✅ ';
}

.pricing-card__feature--no::before {
  content: '❌ ';
}

.pricing-card__action {
  width: 100%;
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
  text-align: center;
  padding: 5rem 0;
  background: linear-gradient(
    0deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  );
}

.cta__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta__text {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* ========================================
   Docs Page
   ======================================== */

.docs {
  padding: 3rem 0;
}

.docs__title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.docs__section {
  margin-bottom: 3rem;
}

.docs__section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-success);
  margin-bottom: 1rem;
}

.docs__box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.docs__box p {
  margin-bottom: 0.5rem;
}

.docs__box p:last-child {
  margin-bottom: 0;
}

.docs__indent {
  margin-left: 1.5rem;
}

.docs__indent p {
  font-size: 0.9rem;
}

.docs__code {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg-hover);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
}

/* ---------- Table ---------- */
.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-bg-card);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.table tr:nth-child(even) td {
  background: rgba(26, 26, 46, 0.5);
}

.table td:first-child code {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg-hover);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
}

/* ---------- Plan Cards (Docs) ---------- */
.plan-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.plan-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.plan-card--featured {
  border-color: var(--color-success);
}

.plan-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.plan-card__list {
  list-style: none;
}

.plan-card__item {
  padding: 0.3rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .section__title {
    font-size: 1.5rem;
  }

  .pricing-card {
    min-width: 100%;
  }

  .plan-cards {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step {
    max-width: 100%;
  }
}