/* ===========================
   Design Tokens
=========================== */
:root {
  /* Brand */
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-accent-soft: #eef2ff;
  --color-accent-ring: rgba(79, 70, 229, 0.18);

  /* Neutrals */
  --color-ink-900: #0f172a;
  --color-ink-700: #1e293b;
  --color-ink-500: #475569;
  --color-ink-400: #64748b;
  --color-ink-300: #94a3b8;
  --color-line: #e2e8f0;
  --color-line-soft: #edf2f7;
  --color-bg: #ffffff;
  --color-bg-soft: #f8fafc;
  --color-bg-code: #0f172a;

  /* Semantic */
  --color-success: #10b981;
  --color-warn: #f59e0b;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;

  /* Radius / Shadow */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 24px -8px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 24px 60px -20px rgba(15, 23, 42, 0.25);

  /* Type */
  --font-sans:
    'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo',
    'Noto Sans KR', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Monaco, 'Cascadia Code', monospace;

  /* Layout */
  --container: 1200px;
  --nav-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-feature-settings: 'ss01', 'tnum';
  line-height: 1.6;
  color: var(--color-ink-700);
  background: var(--color-bg);
  font-size: 16px;
  position: relative;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===========================
   Background Canvas
=========================== */
.background-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.04;
}

/* ===========================
   Typography
=========================== */
h1,
h2,
h3,
h4 {
  color: var(--color-ink-900);
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.625rem, 1.5vw + 1rem, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}

p {
  margin-bottom: var(--space-4);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section-lede {
  color: var(--color-ink-500);
  font-size: 1.0625rem;
  max-width: 640px;
  margin-bottom: var(--space-8);
}

/* ===========================
   Layout
=========================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-12) 0;
}

.bg-light {
  background-color: var(--color-bg-soft);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink-900);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 9999;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ===========================
   Navigation
=========================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.navbar.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  max-width: var(--container);
  height: var(--nav-h);
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.nav-brand h1 {
  font-size: 1.0625rem;
  color: var(--color-ink-900);
  font-weight: 700;
}

.nav-subtitle {
  font-size: 0.75rem;
  color: var(--color-ink-400);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  align-items: center;
}

.nav-menu a {
  color: var(--color-ink-500);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.15s ease;
}

.nav-menu a:hover {
  color: var(--color-ink-900);
}

.nav-cta {
  background: var(--color-ink-900);
  color: #fff !important;
  padding: 0.5rem var(--space-4);
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.nav-cta:hover {
  background: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: var(--space-2);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
  color: var(--color-ink-700);
}

/* ===========================
   Hero
=========================== */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + var(--space-10)) 0 var(--space-12);
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(79, 70, 229, 0.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg-soft) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-10);
  align-items: center;
}

.hero-copy {
  text-align: left;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-ring);
}

.hero h1 {
  margin-bottom: var(--space-5);
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-ink-500);
  margin-bottom: var(--space-6);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.trust-badges {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
  margin-top: var(--space-4);
}

.trust-badges img {
  height: 22px;
  display: inline-block;
}

/* Hero stats — 새 위치: 카피 아래 한 줄 요약 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
}

.stat {
  text-align: left;
}

.stat-number {
  display: block;
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--color-ink-900);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-ink-500);
  font-weight: 600;
  margin-top: 2px;
}

.stat-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-ink-400);
  margin-top: 2px;
  line-height: 1.4;
}

/* ===========================
   Hero Mockup (Product preview)
=========================== */
.hero-mockup {
  position: relative;
}

.mockup-window {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(2deg);
  transform-origin: center;
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  background: #f1f5f9;
  border-bottom: 1px solid var(--color-line);
}

.mockup-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #cbd5e0;
}

.mockup-dot.r {
  background: #fc8181;
}
.mockup-dot.y {
  background: #f6e05e;
}
.mockup-dot.g {
  background: #68d391;
}

.mockup-tab {
  margin-left: var(--space-3);
  background: #fff;
  border: 1px solid var(--color-line);
  border-bottom-color: #fff;
  padding: 4px 10px;
  border-radius: 6px 6px 0 0;
  font-size: 0.75rem;
  color: var(--color-ink-700);
  font-weight: 500;
}

.mockup-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 360px;
}

.mockup-side {
  background: var(--color-bg-soft);
  border-right: 1px solid var(--color-line);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mockup-side-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.8125rem;
  color: var(--color-ink-500);
}

.mockup-side-item.active {
  background: #fff;
  color: var(--color-ink-900);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.mockup-side-item .ic {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--color-accent);
  opacity: 0.7;
}

.mockup-doc {
  padding: var(--space-5);
  background: #fff;
}

.mockup-doc h4 {
  font-size: 0.9375rem;
  margin-bottom: var(--space-3);
  color: var(--color-ink-900);
}

.mockup-line {
  height: 8px;
  border-radius: 4px;
  background: #e9eef5;
  margin-bottom: 10px;
}

.mockup-line.w-100 {
  width: 100%;
}
.mockup-line.w-90 {
  width: 90%;
}
.mockup-line.w-75 {
  width: 75%;
}
.mockup-line.w-60 {
  width: 60%;
}
.mockup-line.w-40 {
  width: 40%;
}

.mockup-highlight {
  background: linear-gradient(90deg, var(--color-accent-soft), transparent);
  border-left: 3px solid var(--color-accent);
  padding: 8px 10px;
  margin: 12px 0;
  border-radius: 0 6px 6px 0;
}

.mockup-highlight .tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.mockup-highlight .text {
  font-size: 0.75rem;
  color: var(--color-ink-700);
  line-height: 1.5;
}

.mockup-floating {
  position: absolute;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mockup-floating .icon-dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.mockup-floating.top {
  top: -16px;
  right: -8px;
}

.mockup-floating.bottom {
  bottom: -18px;
  left: -8px;
}

.mockup-floating .label {
  color: var(--color-ink-700);
  font-weight: 600;
}

.mockup-floating .sub {
  color: var(--color-ink-400);
  font-size: 0.6875rem;
}

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.05s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 6px 16px -8px var(--color-accent);
}

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

.btn-secondary {
  background: #fff;
  color: var(--color-ink-700);
  border-color: var(--color-line);
}

.btn-secondary:hover {
  background: var(--color-bg-soft);
  border-color: var(--color-ink-300);
}

.btn-outline {
  background: transparent;
  color: var(--color-ink-700);
  border-color: var(--color-line);
}

.btn-outline:hover {
  background: var(--color-bg-soft);
  border-color: var(--color-ink-300);
}

/* Install command pill */
.install-command {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-code);
  color: #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.6rem 0.55rem 0.95rem;
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  max-width: max-content;
}

.install-command code {
  color: #e2e8f0;
}

.install-command .prompt {
  color: var(--color-accent);
  user-select: none;
  margin-right: 4px;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

/* ===========================
   Features (위계)
=========================== */
.features-primary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
  margin-bottom: var(--space-6);
}

.features-secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.feature-item {
  position: relative;
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.feature-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-item.is-primary {
  background: linear-gradient(180deg, #fff 0%, #fafbff 100%);
  border-color: var(--color-line);
}

.feature-item.is-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent) 0%, transparent 60%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.feature-item.is-primary:hover::before {
  opacity: 1;
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-item.is-secondary .feature-icon-wrap {
  width: 36px;
  height: 36px;
  background: var(--color-bg-soft);
  color: var(--color-ink-500);
}

.feature-icon {
  width: 22px;
  height: 22px;
}

.feature-item h3 {
  margin-bottom: var(--space-2);
  font-size: 1.125rem;
}

.feature-item.is-secondary h3 {
  font-size: 1rem;
}

.feature-item p {
  color: var(--color-ink-500);
  margin-bottom: var(--space-4);
  font-size: 0.9375rem;
}

.feature-item.is-secondary p {
  font-size: 0.875rem;
  margin-bottom: var(--space-3);
}

.feature-item ul {
  list-style: none;
}

.feature-item li {
  color: var(--color-ink-500);
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
  padding-left: 1.25rem;
  position: relative;
}

.feature-item li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.6;
}

/* ===========================
   Manifesto / Philosophy
=========================== */
.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.manifesto-card {
  position: relative;
  padding: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.manifesto-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #8b5cf6);
  opacity: 0.75;
}

.manifesto-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.manifesto-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.manifesto-card h3 {
  font-size: 1.25rem;
  color: var(--color-ink-900);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.manifesto-lede {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink-900);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.manifesto-card p {
  color: var(--color-ink-500);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.manifesto-card strong {
  color: var(--color-ink-900);
  font-weight: 700;
}

.manifesto-card ul {
  list-style: none;
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-line);
}

.manifesto-card li {
  color: var(--color-ink-500);
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
  padding-left: 1.25rem;
  position: relative;
}

.manifesto-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--color-accent);
  opacity: 0.7;
  transform: rotate(45deg);
}

.manifesto-cta {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-8);
  flex-wrap: wrap;
  justify-content: center;
}

/* ===========================
   Technology
=========================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.tech-category {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
}

.tech-category h3 {
  color: var(--color-ink-900);
  margin-bottom: var(--space-3);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-category h3::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.tech-category ul {
  list-style: none;
}

.tech-category li {
  color: var(--color-ink-500);
  font-size: 0.875rem;
  padding: 6px 0;
  border-top: 1px solid var(--color-line-soft);
}

.tech-category li:first-child {
  border-top: 0;
}

.architecture {
  margin-top: var(--space-10);
  text-align: center;
}

.architecture h3 {
  color: var(--color-ink-900);
  margin-bottom: var(--space-6);
}

.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.flow-step {
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
  text-align: center;
  min-width: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.flow-step .step-number {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-step .step-label {
  font-size: 0.8125rem;
  color: var(--color-ink-700);
  font-weight: 600;
}

.flow-arrow {
  color: var(--color-ink-300);
  font-size: 1.25rem;
}

/* ===========================
   Getting Started
=========================== */
.getting-started-content {
  max-width: 820px;
  margin: 0 auto;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.step {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.step .step-number {
  width: 36px;
  height: 36px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 0.9375rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-accent-ring);
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h3 {
  color: var(--color-ink-900);
  margin-bottom: var(--space-3);
}

.code-block {
  background: var(--color-bg-code);
  color: #e2e8f0;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.code-block code {
  font-family: var(--font-mono);
  color: inherit;
  background: transparent;
}

.code-block .tok-key {
  color: #c4b5fd;
}
.code-block .tok-str {
  color: #86efac;
}
.code-block .tok-tag {
  color: #93c5fd;
}
.code-block .tok-com {
  color: #64748b;
}

.quick-links {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

/* ===========================
   Contact
=========================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.contact-item {
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
  text-align: left;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-item h3 {
  color: var(--color-ink-900);
  margin-bottom: var(--space-2);
}

.contact-item p {
  color: var(--color-ink-500);
  margin-bottom: var(--space-4);
  font-size: 0.9375rem;
}

.contact-item a {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9375rem;
}

.contact-item a:hover {
  text-decoration: underline;
}

/* ===========================
   Footer
=========================== */
.footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-line);
  padding: var(--space-6) 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand h4 {
  color: var(--color-ink-900);
  margin-bottom: 2px;
  font-size: 0.9375rem;
}

.footer-brand p {
  color: var(--color-ink-400);
  font-size: 0.8125rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-5);
}

.footer-links a {
  color: var(--color-ink-500);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--color-ink-900);
}

.footer-meta {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-500);
  font-size: 0.8125rem;
}

.footer-meta-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-ink-400);
  margin: 0 0 6px;
}

.footer-meta-company {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink-900);
  margin: 0 0 10px;
}

.footer-meta-company a {
  color: inherit;
}

.footer-meta-company a:hover {
  color: var(--color-accent);
}

.footer-meta-tagline {
  font-weight: 400;
  color: var(--color-ink-400);
  margin-left: 6px;
  font-size: 0.8125rem;
}

.footer-meta-info {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px var(--space-4);
  line-height: 1.7;
}

.footer-meta-info a {
  color: inherit;
}

.footer-meta-info a:hover {
  color: var(--color-ink-900);
}

.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-ink-400);
}

.footer-bottom p {
  margin: 0;
}

/* ===========================
   Reveal animation
=========================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero-mockup {
    order: -1;
  }
  .features-primary,
  .features-secondary,
  .tech-grid,
  .contact-grid,
  .manifesto-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .manifesto-grid > .manifesto-card:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }

  .nav-container {
    padding: 0 var(--space-4);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
    transform: translateY(-110%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-md);
  }

  .nav-menu.is-open {
    transform: translateY(0);
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    display: block;
    padding: var(--space-3) var(--space-5);
  }

  .nav-cta {
    margin: var(--space-2) var(--space-5);
    text-align: center;
  }

  .hero {
    padding: calc(var(--nav-h) + var(--space-8)) 0 var(--space-10);
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .features-primary,
  .features-secondary,
  .tech-grid,
  .contact-grid,
  .manifesto-grid {
    grid-template-columns: 1fr;
  }
  .manifesto-grid > .manifesto-card:nth-child(3) {
    grid-column: auto;
  }

  .flow-diagram {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .step {
    gap: var(--space-3);
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-meta {
    text-align: center;
  }

  .footer-meta-info {
    justify-content: center;
  }

  .mockup-window {
    transform: none;
  }

  .mockup-body {
    grid-template-columns: 1fr;
  }

  .mockup-side {
    flex-direction: row;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .mockup-side-item {
    flex-shrink: 0;
  }

  .mockup-floating {
    display: none;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-10) 0;
  }
  .install-command {
    width: 100%;
    max-width: none;
    flex-wrap: wrap;
  }
}