:root {
  --color-bg: #f7f7f8;
  --color-surface: #ffffff;
  --color-text: #1c1c1f;
  --color-muted: #5b5b66;
  --color-border: #e2e2e8;
  --color-accent: #2f5fff;
  --color-accent-contrast: #ffffff;
  --color-tint: #eef1ff;
  --radius: 12px;
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #15151a;
    --color-surface: #1d1d24;
    --color-text: #f1f1f4;
    --color-muted: #a3a3ad;
    --color-border: #2c2c35;
    --color-accent: #6c8cff;
    --color-accent-contrast: #0f0f14;
    --color-tint: #1c2030;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}

.brand_mark img {
  display: block;
  width: 28px;
  height: 28px;
}

/* ── Language gate (root index.html) ───────────────────────────── */

.locale_gate {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
  min-height: 100vh;
  justify-content: center;
}

.locale_gate h1 {
  margin: 0;
  font-size: 2rem;
}

.language_grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.language_grid a {
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
}

.language_grid a:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

/* ── Site header / nav ──────────────────────────────────────────── */

.site_header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site_nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.nav_cluster {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.nav_links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav_links a {
  color: var(--color-muted);
}

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

.lang_flag {
  display: block;
  border-radius: 2px;
  flex-shrink: 0;
}

.lang_picker {
  position: relative;
}

.lang_picker_btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.lang_picker_btn::-webkit-details-marker {
  display: none;
}

.lang_picker_btn::marker {
  display: none;
}

.lang_picker_btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.5;
  margin-left: 2px;
}

.lang_picker[open] .lang_picker_btn {
  border-color: var(--color-accent);
}

.lang_picker_menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 150px;
  margin: 0;
  padding: 4px;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  z-index: 100;
}

.lang_picker_menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--color-text);
  font-size: 0.9rem;
}

.lang_picker_menu a:hover {
  background: var(--color-tint);
  text-decoration: none;
}

.lang_picker_menu a[aria-current="page"] {
  background: var(--color-tint);
  color: var(--color-accent);
  font-weight: 600;
}

/* ── Screenshot ─────────────────────────────────────────────────── */

.screenshot_section {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px 56px;
}

.screenshot_wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.10);
}

.screenshot_img {
  display: block;
  width: 100%;
  height: auto;
}

/* ── Hero ───────────────────────────────────────────────────────── */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: 2.4rem;
  line-height: 1.15;
}

.hero .lead {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 46ch;
}

.hero_actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
}

.button:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

.button_primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.hero_panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.hero_panel dl {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero_panel dt {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.hero_panel dd {
  margin: 4px 0 0;
  font-weight: 600;
}

/* ── Sections ───────────────────────────────────────────────────── */

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px;
}

.section_tinted {
  background: var(--color-tint);
  max-width: none;
}

.section_tinted > * {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section_header {
  margin-bottom: 32px;
  max-width: 60ch;
}

.section_header h2 {
  margin: 0;
  font-size: 1.7rem;
}

.card_grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--color-muted);
}


.format_list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.format_list span {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-tint);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.85rem;
}

.note {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.section_split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}

.section_split h2 {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.callout h3 {
  margin: 0 0 8px;
}

/* ── Footer ─────────────────────────────────────────────────────── */

.site_footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--color-muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

/* ── Download section ───────────────────────────────────────────── */

.download_section {
  text-align: center;
  background: var(--color-tint);
  max-width: none;
  padding: 56px 24px;
}

.download_section .section_header {
  margin: 0 auto 28px;
}

.download_btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: flex-start;
}

.dl_card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.dl_hash {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--color-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.15s;
}

.dl_hash:hover {
  background: var(--color-border);
}

.button_lg {
  padding: 13px 28px;
  font-size: 1.05rem;
  gap: 8px;
}

.download_meta {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .hero,
  .section_split {
    grid-template-columns: 1fr;
  }
}