/* Shared site shell — home, features, generator wrapper */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:root,
[data-theme="dark"] {
  --site-header-height: 64px;
  --site-font: 'Geomini', system-ui, -apple-system, sans-serif;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-rgb: 37, 99, 235;
  --accent-dim: rgba(37, 99, 235, 0.14);
  --accent-soft: rgba(37, 99, 235, 0.08);
  --accent-border: rgba(37, 99, 235, 0.35);
  --text: #f4f6fb;
  --text-secondary: #c8d0e0;
  --muted: #94a0b8;
  --heading: #ffffff;
  --surface: #1a2236;
  --surface-raised: #243049;
  --panel-border: #3a4a68;
  --body-bg: #0f1524;
  --card-bg: #1a2236;
  --card-border: rgba(255, 255, 255, 0.08);
  --shadow-card: 0 18px 48px rgba(0, 0, 0, 0.35);
  --footer-bg: rgba(10, 14, 24, 0.95);

  /* spacing / shape / elevation scale */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 24px; --space-6: 32px;
  --radius-sm: 10px; --radius-md: 14px; --radius-lg: 18px;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.18);
  --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.22);
  --shadow-3: 0 18px 48px rgba(0, 0, 0, 0.35);
  --focus-ring: 0 0 0 2px var(--body-bg), 0 0 0 4px var(--accent);

  /* layout gutters — shared breathing room */
  --site-gutter: clamp(18px, 4vw, 36px);
  --site-gutter-lg: clamp(28px, 5vw, 52px);
  --site-content-max: 1200px;
  --site-section-y: clamp(32px, 5vw, 56px);
}

[data-theme="light"] {
  --text: #111827;
  --text-secondary: #374151;
  --muted: #6b7280;
  --heading: #0b1220;
  --surface: #f8fafc;
  --surface-raised: #ffffff;
  --panel-border: #d8dee8;
  --body-bg: #f3f5f9;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
  --footer-bg: rgba(255, 255, 255, 0.96);
  --accent-dim: rgba(37, 99, 235, 0.1);
  --accent-soft: rgba(37, 99, 235, 0.06);
  --accent-border: rgba(37, 99, 235, 0.28);

  --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-2: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-3: 0 12px 32px rgba(15, 23, 42, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--site-font);
  background: var(--body-bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.site-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.site-generator {
  overflow: hidden;
}

a { color: inherit; text-decoration: none; }

.site-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
}

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--site-header-height);
  border-bottom: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 21, 36, 0.96);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.site-header-inner {
  max-width: var(--site-content-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--site-gutter);
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--heading);
  flex-shrink: 0;
  text-decoration: none;
}

.site-logo-word {
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.site-logo-noob {
  color: #1a1f2e;
}

[data-theme="dark"] .site-logo-noob {
  color: #a8b4c8;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.site-nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.15s, background 0.15s;
}

.site-nav-link:hover {
  color: var(--heading);
  background: var(--accent-soft);
}

.site-nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--accent-border);
}

[data-theme="light"] .site-nav-link.active {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
}

.site-header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-menu-btn {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.site-menu-btn svg {
  width: 18px;
  height: 18px;
}

.theme-toggle {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.theme-toggle .theme-icon { display: none; }

[data-theme="dark"] .theme-toggle .theme-icon-sun,
[data-theme="light"] .theme-toggle .theme-icon-moon {
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.24);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.28);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--panel-border);
  color: var(--text);
}

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

.btn-sm {
  padding: 8px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 13px 22px;
  font-size: 0.95rem;
}

/* ── Hero & marketing ── */

.hero {
  max-width: var(--site-content-max);
  margin: 0 auto;
  padding: 72px var(--site-gutter) 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent-border);
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--heading);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.hero-stat strong {
  display: block;
  font-size: 1.35rem;
  color: var(--heading);
  letter-spacing: -0.02em;
}

.hero-stat span {
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-visual {
  position: relative;
}

.hero-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  padding: 22px;
  backdrop-filter: blur(12px);
}

.hero-card-preview {
  border-radius: 12px;
  border: 1px dashed var(--panel-border);
  background: var(--surface);
  padding: 20px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview-line {
  height: 10px;
  border-radius: 4px;
  background: var(--panel-border);
  opacity: 0.55;
}

.preview-line.w-80 { width: 80%; }
.preview-line.w-60 { width: 60%; }
.preview-line.w-40 { width: 40%; }

.preview-receipt {
  margin-top: auto;
  align-self: center;
  width: 160px;
  padding: 14px;
  border-radius: 6px;
  background: #f2f2f2;
  color: #333;
  font-family: 'Courier New', monospace;
  font-size: 0.62rem;
  line-height: 1.45;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.section {
  max-width: var(--site-content-max);
  margin: 0 auto;
  padding: var(--site-section-y) var(--site-gutter) calc(var(--site-section-y) + 8px);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-6);
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  padding: 22px;
  box-shadow: var(--shadow-1);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

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

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  margin-bottom: 14px;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

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

.feature-card p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.feature-card a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  padding: 22px;
  box-shadow: var(--shadow-1);
}

.step-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.step-card h3 {
  color: var(--heading);
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.cta-band {
  max-width: var(--site-content-max);
  margin: 0 auto 64px;
  padding: 0 var(--site-gutter);
}

.cta-inner {
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-dim), rgba(var(--accent-rgb), 0.04));
  padding: 36px 28px;
  text-align: center;
}

.cta-inner h2 {
  color: var(--heading);
  font-size: 1.5rem;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.cta-inner p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ── Features page ── */

.page-hero {
  max-width: var(--site-content-max);
  margin: 0 auto;
  padding: var(--site-gutter-lg) var(--site-gutter) var(--site-section-y);
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--heading);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.6;
  font-size: 1.02rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.detail-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  padding: 24px;
  box-shadow: var(--shadow-1);
}

.detail-card h3 {
  color: var(--heading);
  margin-bottom: 10px;
}

.detail-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-card li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.detail-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ── Footer ── */

.site-footer {
  border-top: 1px solid var(--panel-border);
  background: var(--footer-bg);
  margin-top: auto;
}

.site-footer-inner {
  max-width: var(--site-content-max);
  margin: 0 auto;
  padding: 32px var(--site-gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer p,
.site-footer a {
  font-size: 0.82rem;
  color: var(--muted);
}

.site-footer-links {
  display: flex;
  gap: 18px;
}

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

/* ── Generator page layout ── */

/* ── Generator page layout ── */

.feature-page-bar {
  flex-shrink: 0;
  border-bottom: 1px solid var(--panel-border);
  background: var(--surface-raised);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

[data-theme="dark"] .feature-page-bar {
  background: rgba(15, 21, 36, 0.92);
}

.feature-page-bar-inner {
  max-width: 100%;
  padding: 16px var(--site-gutter);
  display: flex;
  align-items: center;
  gap: 14px;
}

.feature-page-bar-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  flex-shrink: 0;
}

.feature-page-bar-icon svg {
  width: 20px;
  height: 20px;
}

.feature-page-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 2px;
}

.feature-page-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.feature-page-badge {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  padding: 6px 12px;
}

/* Generator page — light workspace like reference design */
body.site-generator {
  background: var(--body-bg);
}

body.site-generator .config-panel {
  background: var(--surface-raised);
  border-right: 1px solid var(--panel-border);
  box-shadow: none;
  width: var(--config-panel-width);
  max-width: var(--config-panel-width);
}

body.site-generator.generator-bulk-mode .preview-area,
body.site-generator.generator-bulk-mode .panel-resizer {
  display: none !important;
}

body.site-generator.generator-bulk-mode .config-panel {
  width: min(100%, 860px);
  max-width: 860px;
  margin: 16px auto;
  border: 1px solid var(--panel-border);
  border-right: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
  max-height: calc(100vh - var(--site-header-height) - 56px);
}

body.site-generator.generator-bulk-mode .app {
  justify-content: center;
  background: var(--body-bg);
}

body.site-generator .generator-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

body.site-generator .preview-area {
  background: #e8ecf2;
}

[data-theme="dark"] body.site-generator .preview-area {
  background: #121826;
}

body.site-generator .site-main {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--site-header-height));
  min-height: 0;
  overflow: hidden;
}

body.site-generator .app {
  flex: 1;
  height: auto;
  min-height: 0;
}

.generator-menu {
  display: none !important;
}

.config-panel .panel-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 4px;
}

body.site-generator.bulk-view {
  overflow: auto;
}

body.site-generator.bulk-view .site-main {
  height: auto;
  min-height: calc(100vh - var(--site-header-height));
  overflow: visible;
}

body.site-generator.bulk-view .bulk-page {
  min-height: calc(100vh - var(--site-header-height));
}

/* ── Global loader ── */

html.site-boot-loading body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(15, 21, 36, 0.35);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

[data-theme="light"] html.site-boot-loading body::before {
  background: rgba(243, 245, 249, 0.72);
}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--site-gutter);
  background: rgba(15, 21, 36, 0.42);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

[data-theme="light"] .site-loader {
  background: rgba(243, 245, 249, 0.78);
}

.site-loader.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

body.site-is-loading {
  overflow: hidden;
}

.site-loader-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: min(100%, 220px);
  padding: 22px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: var(--shadow-3);
}

.site-loader-spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid var(--panel-border);
  border-top-color: var(--accent);
  animation: site-loader-spin 0.75s linear infinite;
}

.site-loader-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

@keyframes site-loader-spin {
  to { transform: rotate(360deg); }
}

/* ── Mobile ── */

@media (max-width: 900px) {
  .site-nav {
    display: none;
    position: absolute;
    top: var(--site-header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 12px;
    background: rgba(18, 18, 31, 0.98);
    border-bottom: 1px solid var(--panel-border);
    max-height: calc(100vh - var(--site-header-height));
    overflow-y: auto;
  }

  [data-theme="light"] .site-nav {
    background: rgba(255, 255, 255, 0.98);
  }

  .site-nav.open { display: flex; }

  .site-nav-link {
    width: 100%;
    padding: 12px 14px;
  }

  .site-menu-btn { display: inline-flex; }

  .site-header-actions .btn-primary.site-cta-desktop {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .hero-visual { order: -1; }

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

  .feature-page-bar-inner {
    padding: 12px 14px;
  }

  .feature-page-badge {
    display: none;
  }

  .site-page-content,
  .about-section,
  .detail-grid {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (min-width: 901px) {
  .site-nav-link.site-cta-mobile { display: none; }
}

[data-theme="dark"] { color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 6px;
}