@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

/* Design tokens */
:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dim: rgba(124, 58, 237, 0.12);
  --primary-glow: rgba(124, 58, 237, 0.35);

  --bg: #0a0a0f;
  --bg-surface: #111118;
  --bg-card: #16161f;
  --bg-code: #1a1a26;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #f0f0f8;
  --text-muted: #9090a8;
  --text-dim: #5a5a72;

  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.2s ease;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--text);
}

/* ── Nav ─────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition:
    background var(--transition),
    border-bottom var(--transition),
    backdrop-filter var(--transition);
}

nav.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.nav-logo span.badge {
  font-size: 0.65rem;
  font-weight: 600;
  background: var(--primary-dim);
  color: var(--primary-light);
  border: 1px solid rgba(167, 139, 250, 0.25);
  padding: 2px 7px;
  border-radius: 99px;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.nav-cta {
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--primary);
  color: #fff !important;
  padding: 6px 14px;
  border-radius: 8px;
  transition:
    background var(--transition),
    box-shadow var(--transition) !important;
}

.nav-cta:hover {
  background: var(--primary-light) !important;
  color: #000 !important;
  box-shadow: 0 0 16px var(--primary-glow);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 70% 50% at 50% 20%,
      rgba(124, 58, 237, 0.18) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 40% 30% at 80% 70%,
      rgba(167, 139, 250, 0.08) 0%,
      transparent 60%
    );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 780px;
  width: 100%;
}

.hero-icon {
  width: 192px;
  height: 192px;
  border-radius: 44px;
  margin: 0 auto 2rem;
  display: block;
  box-shadow:
    0 8px 40px var(--primary-glow),
    0 0 0 1px rgba(167, 139, 250, 0.2);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary-dim);
  border: 1px solid rgba(167, 139, 250, 0.25);
  color: var(--primary-light);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 99px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #f0f0f8 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 10px;
  transition:
    background var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-light);
  color: #000;
  box-shadow: 0 0 20px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  transition: all var(--transition);
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--primary-light);
  background: var(--primary-dim);
}

/* Hero command/install block */
.hero-command {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 2.5rem;
  max-width: 100%;
}

.hero-command .cmd-prefix {
  color: var(--primary-light);
  user-select: none;
  flex-shrink: 0;
}

.hero-command .cmd-text {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Stats strip */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.hero-stat-value {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-stat-sep {
  width: 1px;
  height: 2rem;
  background: var(--border-strong);
}

/* ── Sections ────────────────────────────────────────────── */
section {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* ── Features Grid ───────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.feature-card:hover {
  border-color: rgba(167, 139, 250, 0.35);
  box-shadow: 0 4px 30px rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Code blocks ─────────────────────────────────────────── */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.code-block-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.copy-btn {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0;
}

.copy-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

.code-block:hover .copy-btn {
  opacity: 1;
}

/* Hero command copy button — always visible, inline not absolute */
.hero-command .copy-btn {
  position: static;
  opacity: 1;
  flex-shrink: 0;
}

pre {
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--text);
}

code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: var(--primary-dim);
  color: var(--primary-light);
  padding: 2px 6px;
  border-radius: 5px;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
  border-radius: 0;
}

/* Syntax colours */
.token-comment {
  color: #5a5a8a;
}
.token-key {
  color: var(--primary-light);
}
.token-string {
  color: #86e1a0;
}
.token-cmd {
  color: #f7c983;
}

/* ── Quick Start ─────────────────────────────────────────── */
.quickstart-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.qs-step {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  align-items: start;
}

.qs-num {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--primary-dim);
  border: 1px solid rgba(167, 139, 250, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-light);
  flex-shrink: 0;
  margin-top: 4px;
}

.qs-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.qs-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.65;
}

/* ── MCP Tools table ─────────────────────────────────────── */
.tools-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: var(--bg-code);
  border-bottom: 1px solid var(--border-strong);
}

thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background: rgba(124, 58, 237, 0.05);
}

tbody td {
  padding: 10px 16px;
  vertical-align: top;
  color: var(--text-muted);
  line-height: 1.55;
}

tbody td:first-child {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--primary-light);
  white-space: nowrap;
}

.tool-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 6px;
}

.badge-read {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-write {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

/* Group headers inside table */
.tool-group-row td {
  padding: 8px 16px 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.06);
  border-bottom: 1px solid var(--border);
}

/* ── Config table ────────────────────────────────────────── */
.config-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.config-row {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 1rem;
  transition: border-color var(--transition);
}

.config-row:hover {
  border-color: rgba(167, 139, 250, 0.3);
}

.config-var {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary-light);
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.config-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.config-desc a {
  color: var(--primary-light);
}
.config-desc a:hover {
  color: var(--text);
}

.config-optional {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--primary-dim);
  color: var(--primary-light);
  border: 1px solid rgba(167, 139, 250, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Reveal animation ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Footer ──────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.825rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-dim);
  transition: color var(--transition);
  font-weight: 500;
}

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

/* ── Divider ─────────────────────────────────────────────── */
.section-divider {
  height: 1px;
  background: var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  nav {
    padding: 0 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 5rem 1.25rem 3rem;
  }

  section {
    padding: 4rem 1.25rem;
  }

  .hero-stats {
    gap: 1.25rem;
  }

  .hero-stat-sep {
    display: none;
  }

  .qs-step {
    grid-template-columns: 1fr;
  }

  .qs-num {
    display: none;
  }

  .config-row {
    grid-template-columns: 1fr;
  }

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