/* ===========================
   CSS Variables
   =========================== */
:root {
  --bg: #0d0d0f;
  --bg-2: #131316;
  --bg-3: #1a1a1f;
  --bg-4: #22222a;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --text: #e8e8ed;
  --text-2: #9898a6;
  --text-3: #5a5a6e;
  --accent: #4f8ef7;
  --accent-dim: rgba(79,142,247,0.12);
  --accent-hover: #6aa0ff;
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
  --orange: #fb923c;
  --purple: #a78bfa;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --font: 'Outfit', system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
  --bg: #faf9f5;
  --bg-2: #f3f2ee;
  --bg-3: #eceae4;
  --bg-4: #e0ddd5;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.16);
  --text: #1a1a20;
  --text-2: #4a4a5a;
  --text-3: #8888a0;
  --accent: #2563eb;
  --accent-dim: rgba(37,99,235,0.08);
  --accent-hover: #1d4ed8;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* ===========================
   Reset & Base
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-3);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.8em;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}

/* ===========================
   Nav
   =========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13,13,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .nav {
  background: rgba(250,249,245,0.85);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-github {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2) !important;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s, color 0.2s !important;
}

.nav-github:hover {
  border-color: var(--border-hover) !important;
  color: var(--text) !important;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: border-color 0.2s, color 0.2s;
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }

/* ===========================
   Section Common
   =========================== */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.65;
}

/* ===========================
   Buttons
   =========================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
}

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

.btn-primary.btn-lg {
  padding: 13px 26px;
  font-size: 1rem;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.15s;
  cursor: pointer;
}

.btn-outline:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--bg-3);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-copy:hover { background: var(--accent-hover); }
.btn-copy.copied { background: var(--green); }

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 60px;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(79,142,247,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text);
}

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

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-2);
  margin-bottom: 40px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}

/* Terminal */
.terminal {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 0 auto 32px;
  max-width: 540px;
  box-shadow: var(--shadow);
  text-align: left;
}

.terminal-bar {
  background: var(--bg-3);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  min-height: 80px;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.prompt {
  color: var(--green);
  user-select: none;
}

.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.terminal-output {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-3);
  min-height: 24px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  overflow: hidden;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 28px;
  flex: 1;
  min-width: 120px;
}

.metric-sep {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.metric-val {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text);
  letter-spacing: -0.03em;
}

.metric-lbl {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 4px;
  text-align: center;
}

/* ===========================
   Features
   =========================== */
.features {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg-2);
  padding: 28px 28px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--bg-3);
}

.feature-card--wide {
  grid-column: span 1;
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

.feature-code {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.feature-code code {
  background: var(--bg-4);
  color: var(--accent);
}

.feature-comment {
  color: var(--text-3);
}

/* ===========================
   MDX Section
   =========================== */
.mdx-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.mdx-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.mdx-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.mdx-preview {
  padding: 20px;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mdx-label {
  border-top: 1px solid var(--border);
  padding: 10px 16px;
  font-size: 0.78rem;
  color: var(--text-3);
  background: var(--bg-2);
}

/* Callout */
.mdx-callout {
  border-left: 3px solid;
  padding: 12px 16px !important;
  font-size: 0.85rem;
  border-radius: 6px;
  display: block !important;
}

.mdx-callout--warning {
  border-color: var(--yellow);
  background: rgba(251,191,36,0.07);
  color: var(--yellow);
}

/* Callout styles for markdown content */
.callout {
  border-left: 3px solid;
  padding: 12px 16px;
  border-radius: 6px;
  margin: 16px 0;
}

.callout-info {
  border-color: var(--accent);
  background: rgba(79,142,247,0.08);
}

.callout-info strong {
  color: var(--accent);
}

.callout-tip {
  border-color: var(--green);
  background: rgba(52,211,153,0.08);
}

.callout-tip strong {
  color: var(--green);
}

.callout-warning {
  border-color: var(--yellow);
  background: rgba(251,191,36,0.08);
}

.callout-warning strong {
  color: var(--yellow);
}

.callout-danger {
  border-color: var(--red);
  background: rgba(248,113,113,0.08);
}

.callout-danger strong {
  color: var(--red);
}

.callout-success {
  border-color: var(--green);
  background: rgba(52,211,153,0.08);
}

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

/* Steps */
.mdx-steps {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mdx-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-2);
}

.step-num {
  width: 22px;
  height: 22px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Tabs */
.mdx-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  width: 100%;
}

.mdx-tab {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  transition: color 0.2s;
}

.mdx-tab--active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

.mdx-tab-content {
  padding: 10px 0 0;
  font-size: 0.8rem;
}

/* Mini Cards */
.mdx-cards-row {
  display: flex;
  gap: 10px;
  width: 100%;
}

.mdx-mini-card {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-2);
  background: var(--bg-2);
}

/* Badges */
.mdx-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.badge {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge--green { background: rgba(52,211,153,0.12); color: var(--green); }
.badge--blue { background: rgba(79,142,247,0.12); color: var(--accent); }
.badge--orange { background: rgba(251,146,60,0.12); color: var(--orange); }

/* Accordion */
.mdx-accordion {
  width: 100%;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-3);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text-2);
  cursor: pointer;
}

/* ===========================
   Compare
   =========================== */
.compare {
  background: var(--bg);
}

.table-wrap {
  overflow-x: auto;
  margin-top: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 700px;
}

.compare-table th {
  padding: 14px 18px;
  text-align: left;
  background: var(--bg-2);
  color: var(--text-2);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}

.compare-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: middle;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover td {
  background: var(--bg-2);
}

.col-mdsvr {
  background: var(--accent-dim) !important;
  color: var(--text) !important;
  font-weight: 500;
}

th.col-mdsvr {
  color: var(--accent) !important;
}

.badge-yes {
  color: var(--green);
  font-weight: 500;
}

.badge-no {
  color: var(--text-3);
}

.vs-callouts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.vs-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg-2);
}

.vs-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.vs-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vs-bad {
  background: rgba(248,113,113,0.07);
  border-left: 3px solid var(--red);
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.6;
}

.vs-good {
  background: rgba(52,211,153,0.07);
  border-left: 3px solid var(--green);
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text);
  font-family: var(--font-mono);
}

/* ===========================
   Quick Start
   =========================== */
.quickstart {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.qs-steps {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.qs-step {
  display: flex;
  gap: 24px;
  padding: 28px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  align-items: flex-start;
  transition: background 0.2s;
}

.qs-step:last-child {
  border-bottom: none;
}

.qs-step:hover {
  background: var(--bg-3);
}

.qs-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.qs-content {
  flex: 1;
}

.qs-content h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.code-block {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block pre {
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
}

.c-prompt { color: var(--green); }
.c-comment { color: var(--text-3); }

.code-copy {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.code-copy:hover { color: var(--text); border-color: var(--border-hover); }
.code-copy.copied { color: var(--green); border-color: var(--green); }

.port-note {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

.port-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

/* ===========================
   USP
   =========================== */
.usp {
  background: var(--bg);
}

.usp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.usp-list {
  list-style: none;
  margin: 28px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.usp-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-2);
}

.usp-check {
  color: var(--green);
  font-weight: 700;
  margin-top: 1px;
  flex-shrink: 0;
}

.usp-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Perf Card */
.perf-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.perf-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}

.perf-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.perf-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.perf-name {
  font-size: 0.82rem;
  color: var(--text-2);
  width: 90px;
  flex-shrink: 0;
}

.perf-bar-track {
  flex: 1;
  height: 8px;
  background: var(--bg-3);
  border-radius: 100px;
  overflow: hidden;
}

.perf-bar {
  height: 100%;
  background: var(--border);
  border-radius: 100px;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.perf-bar--mdsvr {
  background: var(--accent) !important;
}

.perf-bar--worst {
  background: var(--red) !important;
}

.perf-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  width: 46px;
  text-align: right;
  flex-shrink: 0;
}

.perf-val--best {
  color: var(--accent);
  font-weight: 600;
}

.perf-note {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-3);
}

.perf-note strong {
  color: var(--accent);
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.social-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.social-pre {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.9;
  white-space: pre;
  overflow-x: auto;
}

.s-cmd {
  color: var(--accent);
  font-weight: 600;
}

.cta-text h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--text);
}

.cta-text p {
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 28px;
}

.cta-cmd {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 24px;
}

.cta-cmd code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
}

.cta-copy-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.cta-copy-btn:hover { color: var(--text); border-color: var(--border-hover); }
.cta-copy-btn.copied { color: var(--green); border-color: var(--green); }

.cta-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===========================
   Footer
   =========================== */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-3);
  max-width: 400px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 8px;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .vs-callouts {
    grid-template-columns: 1fr;
  }

  .usp-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 24px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .nav-links a:not(.nav-github) {
    display: none;
  }
}

@media (max-width: 600px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-metrics {
    flex-direction: column;
  }

  .metric-sep {
    width: 80%;
    height: 1px;
  }

  .qs-step {
    flex-direction: column;
    gap: 16px;
  }

  .section-inner {
    padding: 60px 16px;
  }
}

/* ===========================
   Scroll animations
   =========================== */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }
}