:root {
  --bg: #fef6e8;
  --bg-elevated: #fffdf8;
  --bg-inset: #f6ead6;
  --bg-badge: #fee0ae;
  --ink: #3d0b08;
  --ink-muted: #6b3632;
  --accent: #b92237;
  --accent-hover: #97192b;
  --accent-ink: #ffffff;
  --coral: #f5632d;
  --gold: #f7c659;
  --border: rgba(97, 16, 12, 0.16);
  --border-strong: rgba(97, 16, 12, 0.28);
  --shadow-sm: 0 2px 8px rgba(61, 11, 8, 0.06);
  --shadow-md: 0 14px 36px rgba(61, 11, 8, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  --container-max: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a100f;
    --bg-elevated: #261816;
    --bg-inset: #311f1c;
    --bg-badge: #452822;
    --ink: #faebd8;
    --ink-muted: #d7b8ab;
    --accent: #e04157;
    --accent-hover: #f05a6e;
    --accent-ink: #1a0706;
    --coral: #f57a49;
    --gold: #f7c659;
    --border: rgba(254, 224, 174, 0.16);
    --border-strong: rgba(254, 224, 174, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.28);
    --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.45);
  }
}

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

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--accent) var(--bg-inset);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: var(--bg-badge);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

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

code,
pre {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.35rem 0.25rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 2.9rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color 140ms ease-out, border-color 140ms ease-out, transform 140ms ease-out;
}

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

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

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

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--ink);
  border-color: var(--border-strong);
}

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

/* Hero */
.hero {
  padding-block: clamp(2.5rem, 6vw, 4.75rem);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.15rem, 4.5vw, 3.45rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 56ch;
  font-size: 1.15rem;
  color: var(--ink-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.release-strip {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
}

.release-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

.release-facts div {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.release-facts dt {
  color: var(--ink-muted);
  font-weight: 600;
}

.release-facts dd {
  margin: 0;
  font-weight: 700;
}

.checksum-details {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

.checksum-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.checksum-details code {
  display: block;
  margin-top: 0.5rem;
  padding: 0.55rem 0.75rem;
  background-color: var(--bg-inset);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  word-break: break-all;
}

.hero-device {
  display: flex;
  justify-content: center;
}

.hero-device img {
  width: min(100%, 310px);
  filter: drop-shadow(0 20px 36px rgba(61, 11, 8, 0.18));
}

/* Sections */
.section {
  padding-block: clamp(3rem, 6vw, 4.75rem);
  border-bottom: 1px solid var(--border);
}

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

.section-header {
  max-width: 66ch;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.section-header p {
  margin: 0;
  color: var(--ink-muted);
}

/* Feature walkthrough rows */
.controls-list {
  display: grid;
  gap: 2.25rem;
}

.control-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.35fr);
  gap: 1.25rem 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.control-row:first-child {
  padding-top: 0;
  border-top: none;
}

.control-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.control-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background-color: var(--bg-badge);
  color: var(--ink);
}

.control-heading h3 {
  margin: 0 0 0.35rem;
  font-size: 1.3rem;
  line-height: 1.25;
}

.control-heading p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.control-body {
  max-width: 65ch;
}

.control-body p {
  margin: 0 0 0.85rem;
}

.control-body ul {
  margin: 0;
  padding-left: 1.25rem;
}

.control-body li + li {
  margin-top: 0.45rem;
}

/* Screenshots gallery */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.screenshot-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.screenshot-frame {
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  display: flex;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.screenshot-frame img {
  width: min(100%, 265px);
}

.screenshot-figure figcaption strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.screenshot-figure figcaption span {
  display: block;
  font-size: 0.93rem;
  color: var(--ink-muted);
}

/* Install guide */
.install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.35rem;
  max-width: 72ch;
}

.install-step {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1.1rem;
  padding: 1.35rem 1.45rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background-color: var(--bg-badge);
  color: var(--ink);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  display: grid;
  place-items: center;
}

.install-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.install-step p {
  margin: 0 0 0.65rem;
}

.install-step p:last-child {
  margin-bottom: 0;
}

.command-block {
  display: block;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-inset);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  overflow-x: auto;
}

/* Privacy / prose route */
.prose-page {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.prose {
  max-width: 68ch;
}

.prose h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.prose h2 {
  margin: 2.4rem 0 0.65rem;
  font-size: 1.45rem;
  line-height: 1.25;
}

.prose p,
.prose ul {
  margin: 0 0 1rem;
}

.prose ul {
  padding-left: 1.3rem;
}

.prose li + li {
  margin-top: 0.45rem;
}

.prose .lead {
  font-size: 1.14rem;
  color: var(--ink-muted);
}

.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
}

/* Footer */
.site-footer {
  padding-block: 2.5rem 3rem;
  font-size: 0.93rem;
  color: var(--ink-muted);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.4rem;
}

.footer-links a {
  color: var(--ink);
  font-weight: 600;
}

.footer-note {
  margin: 0.6rem 0 0;
  max-width: 68ch;
}

@media (max-width: 900px) {
  .hero-grid,
  .control-row {
    grid-template-columns: 1fr;
  }

  .screenshots-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

@media (max-width: 600px) {
  .header-inner {
    padding-block: 0.65rem;
  }

  .install-step {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}