/* ─── Design tokens ─────────────────────────────────────────────── */
:root {
  --color-bg:           #ffffff;
  --color-surface:      #f9fafb;
  --color-surface-2:    #f3f4f6;
  --color-border:       #e5e7eb;
  --color-border-light: #f0f1f3;

  --color-text-1:  #0f1117;
  --color-text-2:  #374151;
  --color-text-3:  #6b7280;
  --color-text-4:  #9ca3af;

  --color-indigo:        #4f46e5;
  --color-indigo-light:  #eef2ff;
  --color-indigo-mid:    #c7d2fe;
  --color-violet:        #7c3aed;
  --color-violet-light:  #f5f3ff;
  --color-blue:          #2563eb;
  --color-blue-light:    #eff6ff;
  --color-emerald:       #059669;
  --color-emerald-light: #ecfdf5;
  --color-amber:         #d97706;
  --color-amber-light:   #fffbeb;
  --color-rose:          #e11d48;
  --color-rose-light:    #fff1f2;
  --color-slate:         #475569;
  --color-slate-light:   #f8fafc;

  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --gradient-text:    linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #2563eb 100%);

  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.05), 0 4px 6px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,.06), 0 8px 10px rgba(0,0,0,.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --nav-h: 60px;
  --max-w: 1160px;
  --section-py: 96px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ─── Typography ────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  color: var(--color-text-1);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--color-indigo);
}

/* ─── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--color-indigo);
  color: #fff;
  box-shadow: 0 1px 3px rgba(79,70,229,.3), 0 0 0 1px rgba(79,70,229,.15);
}
.btn-primary:hover {
  background: #4338ca;
  box-shadow: 0 4px 12px rgba(79,70,229,.35), 0 0 0 1px rgba(79,70,229,.2);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  color: var(--color-text-2);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.btn-ghost:hover {
  background: var(--color-surface);
  border-color: #d1d5db;
  color: var(--color-text-1);
}

.btn-lg { padding: 12px 24px; font-size: 15px; border-radius: var(--radius-md); }
.btn-full { width: 100%; justify-content: center; }

/* ─── Navigation ────────────────────────────────────────────────── */
.nav-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 100;
  transition: box-shadow 0.2s;
}
.nav-bar.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}

.logo-img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  object-fit: cover;
  flex-shrink: 0;
}

.logo-text {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-3);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.nav-links a:hover { color: var(--color-text-1); background: var(--color-surface); }

.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* ─── Hero ──────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
}

.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79,70,229,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,70,229,.035) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 560px; height: 560px;
  top: -160px; right: -120px;
  background: radial-gradient(circle, rgba(124,58,237,.08) 0%, transparent 70%);
}
.hero-orb-2 {
  width: 400px; height: 400px;
  bottom: 60px; left: -80px;
  background: radial-gradient(circle, rgba(37,99,235,.06) 0%, transparent 70%);
}

.hero-content { max-width: 560px; }


.hero-title {
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--color-text-1);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-3);
  margin-bottom: 36px;
  max-width: 480px;
  font-weight: 400;
}

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

.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.meta-item { display: flex; flex-direction: column; gap: 2px; }
.meta-number {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-1);
  letter-spacing: -0.04em;
  line-height: 1;
}
.meta-label { font-size: 12px; color: var(--color-text-4); font-weight: 500; }
.meta-divider { width: 1px; height: 36px; background: var(--color-border); }

/* ─── App Mockup (screenshot frame) ────────────────────────────── */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 16px;
}

.app-mockup {
  width: 100%;
  max-width: 540px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,.04);
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.mockup-chrome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.chrome-dots { display: flex; gap: 5px; }
.chrome-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.chrome-dots span:nth-child(1) { background: #fc615d; }
.chrome-dots span:nth-child(2) { background: #fdbc40; }
.chrome-dots span:nth-child(3) { background: #35cd4b; }

.chrome-url {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 11px;
  color: var(--color-text-3);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 5px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.url-lock { color: var(--color-emerald); display: flex; align-items: center; flex-shrink: 0; }

.mockup-open-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: var(--radius-sm);
  color: var(--color-text-3);
  transition: all 0.15s;
  flex-shrink: 0;
}
.mockup-open-btn:hover {
  background: var(--color-indigo-light);
  color: var(--color-indigo);
}

.mockup-screenshot-wrap {
  display: block;
  line-height: 0;
  background: var(--color-surface-2);
}

.mockup-screenshot {
  width: 100%;
  height: auto;
  display: block;
  border-top: none;
}

/* ─── Section Skeleton ──────────────────────────────────────────── */
.section { padding: var(--section-py) 24px; }

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-header {
  max-width: 640px;
  margin-bottom: 64px;
}

.section-overline {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-indigo);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--color-text-1);
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-3);
}

/* ─── Feature Grid ──────────────────────────────────────────────── */
.features { background: var(--color-surface); }

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

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: #d1d5db;
}

.feature-card-wide { grid-column: span 2; }

.feat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feat-icon-indigo  { background: var(--color-indigo-light);  color: var(--color-indigo);  border: 1px solid var(--color-indigo-mid); }
.feat-icon-violet  { background: var(--color-violet-light);  color: var(--color-violet);  border: 1px solid #ddd6fe; }
.feat-icon-blue    { background: var(--color-blue-light);    color: var(--color-blue);    border: 1px solid #bfdbfe; }
.feat-icon-emerald { background: var(--color-emerald-light); color: var(--color-emerald); border: 1px solid #a7f3d0; }
.feat-icon-amber   { background: var(--color-amber-light);   color: var(--color-amber);   border: 1px solid #fde68a; }
.feat-icon-rose    { background: var(--color-rose-light);    color: var(--color-rose);    border: 1px solid #fecdd3; }
.feat-icon-slate   { background: var(--color-slate-light);   color: var(--color-slate);   border: 1px solid #cbd5e1; }

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text-1);
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-3);
}

.feat-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feat-list li {
  font-size: 13.5px;
  color: var(--color-text-3);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.feat-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-indigo-mid);
}

/* ─── Pipeline ──────────────────────────────────────────────────── */
.pipeline-section { background: var(--color-bg); }

.pipeline-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  counter-reset: pipeline;
  list-style: none;
  margin-bottom: 32px;
}

.pipeline-step {
  background: var(--color-bg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.15s;
}

.pipeline-step:hover { background: var(--color-surface); }

.step-number {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-indigo);
  font-family: var(--font-mono);
}

.step-body h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
  color: var(--color-text-1);
}

.step-body p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--color-text-3);
}

.pipeline-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #fefce8;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: #92400e;
  font-size: 13px;
  line-height: 1.55;
}

.pipeline-note svg { color: #b45309; flex-shrink: 0; margin-top: 1px; }

/* ─── Tech Stack ────────────────────────────────────────────────── */
.tech-section { background: var(--color-surface); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tech-group-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-4);
  margin-bottom: 12px;
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-2);
  transition: all 0.15s;
}

.tech-pill:hover { border-color: var(--color-indigo-mid); color: var(--color-indigo); background: var(--color-indigo-light); }

.tech-pill-optional {
  border-style: dashed;
  color: var(--color-text-3);
}

/* ─── Install ───────────────────────────────────────────────────── */
.install-section { background: var(--color-bg); }

.install-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.install-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.install-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.install-icon {
  width: 52px; height: 52px;
  background: var(--color-indigo-light);
  border: 1px solid var(--color-indigo-mid);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-indigo);
}

.install-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-1);
  letter-spacing: -0.02em;
}

.install-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--color-text-3);
  flex: 1;
}

.install-spec {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  width: fit-content;
}

.install-card-docker { grid-column: span 1; }

/* ─── Code Block ────────────────────────────────────────────────── */
.code-block {
  background: #0f1117;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid #1f2937;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: #161b25;
  border-bottom: 1px solid #1f2937;
}

.code-header span {
  font-size: 11px;
  font-weight: 500;
  color: #6b7280;
  font-family: var(--font-mono);
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: #6b7280;
  padding: 3px 8px;
  border-radius: 4px;
  transition: all 0.15s;
}
.copy-btn:hover { color: #d1d5db; background: #1f2937; }
.copy-btn.copied { color: #34d399; }

.code-block pre {
  padding: 14px 16px;
  overflow-x: auto;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: #e5e7eb;
  background: none;
  border: none;
  padding: 0;
  white-space: pre;
}

.code-comment { color: #6b7280; }

/* ─── Requirements ──────────────────────────────────────────────── */
.install-requirements {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.install-requirements h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-2);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.install-requirements ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.install-requirements li {
  font-size: 13.5px;
  color: var(--color-text-3);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.install-requirements li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ─── Security / Audit ───────────────────────────────────────── */
.security-section { background: var(--color-surface); }

.audit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 0;
}

.audit-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 24px;
  background: var(--color-bg);
  transition: background 0.15s;
}

.audit-item:hover { background: var(--color-surface); }

.audit-icon {
  width: 40px;
  height: 40px;
  background: var(--color-indigo-light);
  border: 1px solid var(--color-indigo-mid);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-indigo);
  flex-shrink: 0;
}

.audit-item h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-1);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.audit-item p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--color-text-3);
}

/* ─── Attribution ───────────────────────────────────────────────── */
.attribution-section { background: var(--color-surface); }

.attribution-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.attrib-overline {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-indigo);
  margin-bottom: 12px;
}

.attribution-card h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.attribution-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-3);
  margin-bottom: 12px;
}

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

.attribution-card a,
.attrib-link {
  color: var(--color-indigo);
  text-decoration: none;
  transition: color 0.15s;
}
.attribution-card a:hover,
.attrib-link:hover { color: var(--color-violet); text-decoration: underline; }

.footer-author {
  color: var(--color-text-2);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}
.footer-author:hover { color: var(--color-indigo); }


/* ─── Footer ────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: 48px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--color-text-4);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.footer-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-3);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.footer-links a:hover { color: var(--color-text-1); background: var(--color-surface); }

.footer-legal {
  font-size: 12px;
  color: var(--color-text-4);
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

/* ─── Scroll reveal ─────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Mobile nav drawer ─────────────────────────────────────────── */
.nav-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  color: var(--color-text-2);
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  margin-left: auto;
  transition: background 0.15s;
  flex-shrink: 0;
}
.nav-menu-btn:hover { background: var(--color-surface); }

.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 99;
  padding: 12px 0 20px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.mobile-drawer.open {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-drawer a {
  display: block;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-2);
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.1s, color 0.1s;
}
.mobile-drawer a:last-child { border-bottom: none; }
.mobile-drawer a:hover { background: var(--color-surface); color: var(--color-indigo); }
.mobile-drawer .drawer-demo {
  margin: 12px 24px 0;
  display: block;
  text-align: center;
  padding: 11px 0;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-bottom: none;
}
.mobile-drawer .drawer-demo:hover { opacity: 0.9; background: var(--gradient-primary); color: #fff; }

/* ─── Responsive ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(var(--nav-h) + 48px);
    padding-bottom: 64px;
  }
  .hero-visual { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-wide { grid-column: span 2; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .install-grid { grid-template-columns: 1fr; }
  .pipeline-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --section-py: 56px;
    --nav-h: 56px;
  }

  /* Nav */
  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }
  .nav-inner { gap: 12px; }
  .nav-actions { gap: 8px; }

  /* Hero */
  .hero {
    padding-top: calc(var(--nav-h) + 32px);
    padding-bottom: 48px;
    padding-left: 20px;
    padding-right: 20px;
    gap: 32px;
    min-height: auto;
  }
  .hero-title { font-size: clamp(30px, 8vw, 42px); }
  .hero-subtitle { font-size: 15px; }
  .hero-visual { display: flex; padding-top: 0; }
  .app-mockup { max-width: 100%; }
  .hero-meta {
    flex-wrap: wrap;
    gap: 12px 20px;
  }
  .meta-divider { display: none; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .btn-lg { padding: 13px 20px; }

  /* Sections */
  .section { padding: var(--section-py) 20px; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: clamp(24px, 6vw, 34px); }
  .section-subtitle { font-size: 15px; }

  /* Features */
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card-wide { grid-column: span 1; }
  .feature-card { padding: 22px; }

  /* Pipeline */
  .pipeline-steps { grid-template-columns: 1fr; gap: 12px; }
  .pipeline-connector { display: none; }

  /* Tech */
  .tech-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tech-item { padding: 16px; }

  /* Install */
  .install-grid { grid-template-columns: 1fr; gap: 16px; }
  .install-card { padding: 24px; }
  .install-requirements { padding: 24px; }
  .install-requirements ul { grid-template-columns: 1fr; }

  /* Audit */
  .audit-grid { grid-template-columns: 1fr; }
  .audit-item { padding: 20px; }

  /* Attribution */
  .attribution-card { padding: 28px 20px; }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 28px;
    align-items: flex-start;
  }
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
  }
  .footer-legal { font-size: 12px; }
}

@media (max-width: 480px) {
  :root { --section-py: 48px; }

  .nav-actions .btn { display: none; }
  .nav-menu-btn { display: flex; margin-left: auto; }

  .hero { padding-left: 16px; padding-right: 16px; }
  .section { padding-left: 16px; padding-right: 16px; }

  .tech-grid { grid-template-columns: 1fr; }
  .hero-meta { gap: 8px 16px; }
  .meta-number { font-size: 22px; }
  .meta-label { font-size: 11px; }

  .feature-card { padding: 18px; }
  .feature-icon { width: 36px; height: 36px; }
  .audit-item { gap: 12px; padding: 18px 16px; }
  .audit-icon { width: 36px; height: 36px; }

  .install-download { flex-direction: column; gap: 10px; }
  .install-download .btn { width: 100%; justify-content: center; }

  .attribution-card { padding: 24px 16px; border-radius: var(--radius-md); }
}