/* =============================================
   OFFTYPE Design System
   Slow-Roads-inspired minimalism · Apple/Notion clarity
   Brand: Teal #3A9A82
   ============================================= */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; }
code { font-family: var(--font-mono); font-size: 0.92em; }

/* --- Tokens --- */
:root {
  --color-bg: #F4F2ED;
  --color-bg-alt: #ECE9E1;
  --color-surface: #FFFFFF;
  --color-primary: #1A2A36;
  --color-text: #1A2A36;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  --color-accent: #3A9A82;
  --color-accent-light: #4ECAAA;
  --color-accent-bg: rgba(58, 154, 130, 0.08);
  --color-border: #D2D1CD;
  --color-border-light: #E4E2DC;
  --color-cta: #1A2A36;
  --color-warning: #FF992B;

  --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 80px;
  --space-8: 120px;

  --container-max: 1080px;
  --container-wide: 1200px;
  --container-padding: var(--space-3);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(26, 42, 54, 0.04);
  --shadow-md: 0 4px 12px rgba(26, 42, 54, 0.06);
  --shadow-lg: 0 12px 32px rgba(26, 42, 54, 0.08);
}

/* --- Base --- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--color-accent);
  color: white;
}

/* --- Layout primitives --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container-wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--space-7) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

main > .section:last-of-type:not(.cta-section) {
  padding-bottom: var(--space-7);
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  font-weight: 600;
}

.hero-title {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: var(--space-3);
}

.page-title {
  font-size: clamp(32px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.heading-2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.heading-3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.body-text {
  font-size: 16px;
  line-height: 1.65;
}

.caption {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  display: block;
}

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

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

/* --- Navigation --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 242, 237, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--container-max);
  margin: 0 auto;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 38px;
  width: auto;
}

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

.nav-links > li {
  display: flex;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 4px;
  transition: color 0.2s ease;
}

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

.nav-links a.nav-cta {
  background: var(--color-cta);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  margin-left: var(--space-1);
}

.nav-links a.nav-cta:hover {
  background: var(--color-accent);
  color: white;
  opacity: 1;
}

.nav-divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  margin: 0 var(--space-1);
}

.nav-utility {
  position: relative;
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.nav-icon:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Language switcher */
.lang-switcher {
  position: relative;
}

.lang-switcher summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  list-style: none;
  transition: all 0.2s ease;
}

.lang-switcher summary::-webkit-details-marker {
  display: none;
}

.lang-switcher summary:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.lang-switcher[open] summary {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.lang-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  list-style: none;
  z-index: 200;
}

.lang-option {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px !important;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text) !important;
  transition: background 0.15s ease;
}

.lang-option:hover {
  background: var(--color-bg-alt);
}

.lang-option.lang-active {
  background: var(--color-accent-bg);
  color: var(--color-accent) !important;
  font-weight: 500;
}

.lang-option.is-soon {
  color: var(--color-text-tertiary) !important;
  pointer-events: none;
  opacity: 0.7;
}

.lang-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.lang-option.lang-active .lang-tag {
  color: var(--color-accent);
  background: white;
}

.lang-option.is-soon .lang-tag {
  background: var(--color-bg);
  color: var(--color-text-tertiary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-cta);
  color: white;
  box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-primary);
  color: white;
}

.btn-large {
  font-size: 16px;
  padding: 16px 32px;
  font-weight: 500;
}

/* --- Hero --- */
.hero {
  padding: var(--space-7) 0 var(--space-7);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-bg) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.hero-icon img {
  height: 88px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(58, 154, 130, 0.18));
}

.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto var(--space-4);
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
}

/* --- Page Hero (sub-pages) --- */
.page-hero {
  padding: var(--space-7) 0 var(--space-5);
  text-align: center;
}

.page-sub {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.55;
}

/* --- Values Grid --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.value-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-3);
  text-align: left;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.value-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.value-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-bg);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.value-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.value-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-3);
  flex-grow: 1;
}

.value-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  align-self: flex-start;
  transition: gap 0.2s ease;
}

.value-link:hover {
  color: var(--color-accent-light);
}

/* --- Steps Flow --- */
.steps-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.step {
  flex: 1;
  min-width: 140px;
  max-width: 200px;
}

.step-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  transition: all 0.2s ease;
}

.step-box:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.step-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-bg);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-1);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-tertiary);
  letter-spacing: 0.12em;
}

.step-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.step-arrow {
  display: flex;
  align-items: center;
  color: var(--color-text-tertiary);
  font-size: 20px;
  flex-shrink: 0;
}

/* --- Proof Teaser (home page) --- */
.proof-teaser {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-6);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.proof-teaser-text .section-title {
  margin-top: 0;
}

.proof-teaser-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.proof-teaser-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Proof Box (privacy page) --- */
.proof-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin: var(--space-3) 0;
}

.proof-header {
  text-align: center;
  margin-bottom: var(--space-4);
}

.proof-header .heading-2 {
  margin-top: 0;
}

.proof-image {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  width: 100%;
  height: auto;
  display: block;
  box-shadow: var(--shadow-sm);
}

.proof-caption {
  margin-top: var(--space-2);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.proof-caption code {
  background: var(--color-bg);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.proof-filter {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-accent-bg);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  white-space: nowrap;
}

/* --- Architecture Flow --- */
.arch-flow {
  margin: 0 auto;
  max-width: 720px;
}

.arch-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.arch-item:last-child {
  border-bottom: none;
}

.arch-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  border-radius: var(--radius-pill);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.arch-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.arch-content p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* --- Compare Table --- */
.compare-table-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-3) 0;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.compare-table th,
.compare-table td {
  text-align: center;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

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

.compare-table thead th {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  background: var(--color-bg);
  color: var(--color-text);
  letter-spacing: 0.01em;
  text-transform: none;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--color-text);
  width: 28%;
}

.compare-table .highlight-col {
  background: var(--color-accent-bg);
  color: var(--color-primary);
  font-weight: 600;
}

.compare-table thead .highlight-col {
  background: var(--color-accent);
  color: white;
}

.compare-table .check {
  color: var(--color-accent);
  font-weight: 600;
}

.compare-table .cross {
  color: var(--color-text-tertiary);
  font-size: 18px;
}

.compare-table .partial {
  color: var(--color-warning);
  font-weight: 500;
}

.compare-summary {
  margin-top: var(--space-5);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.compare-summary .heading-3 {
  margin-bottom: var(--space-1);
}

.compare-summary .body-text {
  color: var(--color-text-secondary);
}

/* --- Download Page --- */
.download-hero {
  text-align: center;
  padding: var(--space-7) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}

.download-hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-bg) 0%, transparent 60%);
  z-index: -1;
}

.download-size {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  max-width: 720px;
  margin: 0 auto;
}

.req-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.req-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-1);
  display: block;
}

.req-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-primary);
}

/* --- Model Cards --- */
.model-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.model-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.model-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.model-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.model-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.model-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.model-size {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.08em;
}

.badge-required {
  background: var(--color-accent);
  color: white;
}

.badge-optional {
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* --- Changelog --- */
.changelog {
  max-width: 720px;
  margin: 0 auto;
}

.changelog-item {
  display: grid;
  grid-template-columns: 100px 120px 1fr;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: baseline;
}

.changelog-item:last-child {
  border-bottom: none;
}

.changelog-version {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.changelog-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}

.changelog-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--space-7) 0;
}

.cta-section .section-title {
  max-width: 600px;
  margin: 0 auto;
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-6) 0 var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-7);
  background: var(--color-bg);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-logo {
  height: 56px;
  width: auto;
}

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

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-1);
}

.footer-col a {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 4px 0;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: var(--space-3);
  text-align: left;
}

.footer-copy {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

@media (max-width: 700px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .footer-cols {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
  }
}

@media (max-width: 480px) {
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .model-cards {
    grid-template-columns: 1fr;
  }

  .proof-teaser {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-4);
  }
}

@media (max-width: 768px) {
  .nav-inner {
    height: 64px;
    padding: var(--space-2);
  }

  .nav-logo img {
    height: 32px;
  }

  .nav-links {
    gap: 4px;
  }

  .nav-links > li:nth-child(1),
  .nav-links > li:nth-child(2),
  .nav-links > li:nth-child(3),
  .nav-links > li.nav-divider {
    display: none;
  }

  .lang-switcher summary {
    padding: 8px;
  }

  .lang-switcher summary svg:last-child {
    display: none;
  }

  .lang-label {
    display: none;
  }

  .section {
    padding: var(--space-6) 0;
  }

  .hero {
    padding: var(--space-6) 0 var(--space-6);
  }

  .hero-icon img {
    height: 64px;
  }

  .steps-flow {
    flex-direction: column;
    gap: var(--space-1);
  }

  .step-arrow {
    transform: rotate(90deg);
    align-self: center;
  }

  .step {
    max-width: 100%;
    width: 100%;
  }

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

  .compare-table {
    font-size: 13px;
  }

  .compare-table th,
  .compare-table td {
    padding: var(--space-1) var(--space-2);
  }

  .changelog-item {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .proof-box {
    padding: var(--space-3);
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 36px; }
  .container { padding: 0 var(--space-2); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

/* --- Container Variants --- */
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* --- Legal Documents (Privacy Policy, License, Notice) --- */
.legal-doc {
  font-size: 16px;
  line-height: 1.7;
}

.legal-doc h2.heading-2 {
  font-size: 22px;
  font-weight: 600;
  margin: var(--space-5) 0 var(--space-2);
  letter-spacing: -0.005em;
  color: var(--color-primary);
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-4);
}

.legal-doc > .legal-summary + h2.heading-2,
.legal-doc > h2.heading-2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.legal-doc h3.heading-3 {
  font-size: 17px;
  font-weight: 600;
  margin: var(--space-3) 0 var(--space-1);
  color: var(--color-primary);
}

.legal-doc p {
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.legal-doc p:last-child {
  margin-bottom: 0;
}

.legal-doc a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent-bg);
  transition: border-color 0.2s ease;
}

.legal-doc a:hover {
  border-bottom-color: var(--color-accent);
}

.legal-doc code {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-primary);
}

.legal-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
  margin-top: var(--space-3);
}

.legal-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
}

.legal-summary .heading-2 {
  font-size: 18px;
  margin: 0 0 var(--space-2);
  border-top: none;
  padding-top: 0;
  font-weight: 600;
}

.legal-summary p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.legal-summary p:last-child {
  margin-bottom: 0;
}

.legal-list {
  margin: var(--space-2) 0 var(--space-3);
  padding-left: var(--space-3);
  list-style: none;
}

.legal-list li {
  position: relative;
  padding: 6px 0 6px var(--space-2);
  font-size: 15px;
  line-height: 1.6;
}

.legal-list li::before {
  content: "—";
  position: absolute;
  left: -8px;
  color: var(--color-accent);
  font-weight: 600;
}

.legal-text {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  overflow-x: auto;
  white-space: pre;
  color: var(--color-text-secondary);
  margin: var(--space-2) 0 var(--space-3);
}

.legal-footer-note {
  margin-top: var(--space-5);
  padding: var(--space-3);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-border);
}

.legal-footer-note p {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.55;
  margin: 0;
}

/* --- Docs --- */
.docs-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.docs-toc .eyebrow {
  margin-bottom: var(--space-2);
}

.toc-list {
  list-style: none;
  counter-reset: toc;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px var(--space-3);
}

.toc-list li {
  counter-increment: toc;
}

.toc-list a {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 4px 0;
  display: inline-block;
  transition: color 0.2s ease;
}

.toc-list a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  margin-right: 8px;
  font-weight: 500;
}

.toc-list a:hover {
  color: var(--color-primary);
}

.docs-doc {
  font-size: 16px;
  line-height: 1.7;
}

.docs-doc h2.heading-2 {
  font-size: 24px;
  font-weight: 600;
  margin: var(--space-5) 0 var(--space-2);
  letter-spacing: -0.01em;
  color: var(--color-primary);
  scroll-margin-top: 80px;
}

.docs-doc h2.heading-2:first-of-type {
  margin-top: 0;
}

.docs-doc h3.heading-3 {
  font-size: 17px;
  font-weight: 600;
  margin: var(--space-3) 0 var(--space-1);
  color: var(--color-primary);
}

.docs-doc p {
  margin-bottom: var(--space-2);
}

.docs-doc a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent-bg);
}

.docs-doc a:hover {
  border-bottom-color: var(--color-accent);
}

.docs-doc code {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-primary);
}

.docs-doc kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
  color: var(--color-primary);
  margin: 0 2px;
  vertical-align: middle;
}

.docs-steps {
  list-style: none;
  counter-reset: docstep;
  margin: var(--space-2) 0 var(--space-3);
  padding: 0;
}

.docs-steps > li {
  counter-increment: docstep;
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.docs-steps > li:last-child {
  border-bottom: none;
}

.docs-steps > li::before {
  content: counter(docstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.docs-steps > li > strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.docs-steps > li > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin: 0;
}

.docs-list {
  list-style: none;
  margin: var(--space-2) 0 var(--space-3);
  padding-left: var(--space-3);
}

.docs-list li {
  position: relative;
  padding: 6px 0 6px var(--space-2);
  font-size: 15px;
  line-height: 1.6;
}

.docs-list li::before {
  content: "›";
  position: absolute;
  left: -8px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
}

.docs-list li strong {
  color: var(--color-primary);
  font-weight: 600;
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: var(--space-2) 0 var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.docs-table th,
.docs-table td {
  padding: var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.docs-table thead th {
  background: var(--color-bg-alt);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

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

.docs-table td code {
  font-size: 13px;
  background: var(--color-bg);
}

/* --- Notice cards --- */
.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin: var(--space-2) 0 var(--space-4);
}

.notice-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s ease;
}

.notice-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.notice-name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.3;
}

.notice-version {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-tertiary);
  margin-left: 6px;
  letter-spacing: 0.02em;
}

.notice-license {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  letter-spacing: 0.04em;
  margin: 0;
}

.notice-copyright {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: 0;
}

.notice-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-tertiary);
  line-height: 1.5;
  margin: 0;
  padding: 6px 0;
  border-top: 1px dashed var(--color-border-light);
}

.notice-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
  word-break: break-all;
  transition: color 0.2s ease;
}

.notice-link:hover {
  color: var(--color-accent);
}

.notice-list {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin: var(--space-2) 0 var(--space-3);
  overflow: hidden;
}

.notice-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 2fr;
  gap: var(--space-2);
  padding: 10px var(--space-3);
  align-items: center;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 13px;
}

.notice-row:last-child {
  border-bottom: none;
}

.notice-row-name {
  font-weight: 500;
  color: var(--color-primary);
}

.notice-row-license {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}

.notice-row a {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-secondary);
  word-break: break-all;
}

.notice-row a:hover {
  color: var(--color-accent);
}

@media (max-width: 700px) {
  .toc-list {
    grid-template-columns: 1fr;
  }

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

  .notice-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .legal-text {
    font-size: 11px;
  }
}

/* Support block (Download page voluntary contribution CTA) */
.support-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
}

.support-block .heading-2 {
  margin: var(--space-1) 0 var(--space-2);
  font-size: clamp(20px, 2.5vw, 26px);
  border-top: none;
  padding-top: 0;
}

.support-block-body {
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto var(--space-3);
  line-height: 1.6;
}

.footer-support-link {
  color: var(--color-accent) !important;
}

.footer-support-link:hover {
  color: var(--color-accent-light) !important;
}

/* Docs page additions */
.docs-callout {
  background: var(--color-accent-bg);
  border: 1px solid rgba(58, 154, 130, 0.18);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-4) 0;
}

.docs-callout-title {
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
  font-size: 16px;
}

.docs-callout p {
  margin-bottom: var(--space-2);
}

.docs-callout p:last-child {
  margin-bottom: 0;
}

.docs-callout .docs-steps {
  margin: var(--space-2) 0;
}

.docs-inline-icon {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.85em;
  color: var(--color-text-secondary);
}

.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.status-dot-pulse {
  animation: status-pulse 1.6s ease-in-out infinite;
}

.status-dot-solid {
  opacity: 0.55;
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.docs-contact {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin: var(--space-4) 0 var(--space-5);
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.contact-card-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-1);
}

.contact-card-email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  word-break: break-all;
}

.contact-card-email:hover {
  color: var(--color-accent-light);
}

.contact-card-note {
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  margin: 0;
}

@media (max-width: 700px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}