/* Catppuccin Mocha */
:root {
  --ctp-base: #1e1e2e;
  --ctp-mantle: #181825;
  --ctp-crust: #11111b;
  --ctp-surface0: #313244;
  --ctp-surface1: #45475a;
  --ctp-surface2: #585b70;
  --ctp-overlay0: #6c7086;
  --ctp-overlay1: #7f849c;
  --ctp-text: #cdd6f4;
  --ctp-subtext0: #a6adc8;
  --ctp-subtext1: #bac2de;
  --ctp-red: #f38ba8;
  --ctp-green: #a6e3a1;
  --ctp-blue: #89b4fa;
  --ctp-yellow: #f9e2af;
  --ctp-mauve: #cba6f7;
  --ctp-teal: #94e2d5;
  --ctp-peach: #fab387;
  --ctp-lavender: #b4befe;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--ctp-crust);
  font-family: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  color: var(--ctp-text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ── Page ──────────────────────────────────── */

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ────────────────────────────────── */

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-logo {
  width: 36px;
  height: 36px;
}

.header-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ctp-text);
  letter-spacing: -0.02em;
}

.header-nav {
  display: flex;
  gap: 1.5rem;
}

.header-nav a {
  color: var(--ctp-overlay1);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.header-nav a:hover {
  color: var(--ctp-text);
}

/* ── Hero ──────────────────────────────────── */

.hero {
  padding: 4rem 0 5rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ctp-text);
}

.hero-sub {
  margin-top: 1.25rem;
  font-size: 1.15rem;
  color: var(--ctp-overlay1);
  font-weight: 400;
  line-height: 1.7;
}

.hero-tags {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

/* ── Tags ──────────────────────────────────── */

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 6px;
  background: var(--ctp-surface0);
  color: var(--ctp-subtext1);
}

/* ── Section Title ─────────────────────────── */

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ctp-text);
  margin-bottom: 2rem;
  text-align: center;
}

/* ── Features ──────────────────────────────── */

.features {
  padding-bottom: 5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  padding: 2rem;
  background: var(--ctp-base);
  border: 1px solid var(--ctp-surface0);
  border-radius: 16px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
  border-color: var(--ctp-surface1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--ctp-blue);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ctp-text);
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--ctp-subtext0);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── How It Works ──────────────────────────── */

.how-it-works {
  padding-bottom: 5rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 640px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ctp-surface0);
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ctp-blue);
}

.step-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ctp-text);
  margin-bottom: 0.25rem;
}

.step-body p {
  color: var(--ctp-subtext0);
  font-size: 0.9rem;
}

/* ── Architecture ──────────────────────────── */

.architecture {
  padding-bottom: 5rem;
}

.arch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.arch-card {
  padding: 2rem;
  background: var(--ctp-base);
  border: 1px solid var(--ctp-surface0);
  border-radius: 16px;
  transition: border-color 0.25s;
}

.arch-card:hover {
  border-color: var(--ctp-surface1);
}

.arch-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ctp-text);
  margin-bottom: 0.25rem;
}

.arch-tech {
  font-size: 0.8rem;
  color: var(--ctp-overlay0);
  margin-bottom: 0.75rem;
}

.arch-card p:last-child {
  color: var(--ctp-subtext0);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── Playbooks ─────────────────────────────── */

.playbooks {
  padding-bottom: 5rem;
}

.playbook-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.playbook-card {
  padding: 2rem;
  background: var(--ctp-base);
  border: 1px solid var(--ctp-surface0);
  border-radius: 16px;
  transition: border-color 0.25s;
}

.playbook-card:hover {
  border-color: var(--ctp-surface1);
}

.playbook-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ctp-text);
  margin-bottom: 0.25rem;
}

.playbook-steps {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", monospace;
  font-size: 0.8rem;
  color: var(--ctp-blue);
  margin-bottom: 0.75rem;
}

.playbook-card p:last-child {
  color: var(--ctp-subtext0);
  font-size: 0.9rem;
}

/* ── Footer ────────────────────────────────── */

.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--ctp-surface0);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.footer-logo {
  width: 24px;
  height: 24px;
}

.footer-copy {
  color: var(--ctp-surface2);
  font-size: 0.8rem;
}

.footer-copy a {
  color: var(--ctp-overlay1);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-copy a:hover {
  color: var(--ctp-text);
}

/* ── Mobile ────────────────────────────────── */

@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .hero {
    padding: 2.5rem 0 3rem;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-tags {
    flex-wrap: wrap;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .arch-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}