/* Onda landing page — neo-brutalist: 2.5px borders, hard 4px shadows, zero radius.
   Palette is lifted verbatim from Onda/Theme/Palette.swift so the page and the app match. */

:root {
  --bg: #F2EFE4;
  --card: #FFFFFF;
  --text: #111111;
  --text-secondary: #4A4A44;
  --text-tertiary: #6B6A60;
  --accent: #1F6E4E;
  --accent-strong: #1F6E4E;   /* light accent already clears AA on white */
  --wash: rgba(31, 110, 78, 0.13);
  --border: #111111;
  --shadow: #111111;
}

/* Dark tokens are declared twice on purpose. The media query serves visitors on the
   default "follow my system" setting; the [data-theme] rule serves an explicit choice
   from the header toggle, and must win in BOTH directions -- which is why the media
   query excludes an explicit light override rather than relying on source order. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111111;
    --card: #1E2A24;
    --text: #FFFFFF;
    --text-secondary: #C3C8C4;
    --text-tertiary: #8A8F8B;
    --accent: #3E8E68;
    --accent-strong: #2F7A57; /* darker green so white text hits 4.5:1 */
    --wash: rgba(62, 142, 104, 0.22);
    --border: #FFFFFF;
    --shadow: #FFFFFF;
  }
}

:root[data-theme="dark"] {
  --bg: #111111;
  --card: #1E2A24;
  --text: #FFFFFF;
  --text-secondary: #C3C8C4;
  --text-tertiary: #8A8F8B;
  --accent: #3E8E68;
  --accent-strong: #2F7A57;
  --wash: rgba(62, 142, 104, 0.22);
  --border: #FFFFFF;
  --shadow: #FFFFFF;
}

* { box-sizing: border-box; }

/* Reset the UA margins that would otherwise fight the flex/grid gaps below. */
h1, h2, h3, p, figure, figcaption { margin: 0; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img, video { max-width: 100%; display: block; }

.shell { max-width: 1440px; margin: 0 auto; }

.gutter { padding-left: clamp(20px, 5vw, 72px); padding-right: clamp(20px, 5vw, 72px); }

.rule-top { border-top: 2.5px solid var(--border); }
.rule-bottom { border-bottom: 2.5px solid var(--border); }

/* ---------- shared type ---------- */

.display {
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  line-height: 0.92;
  text-wrap: balance;
}

.badge {
  border: 2.5px solid var(--border);
  background: var(--wash);
  padding: 9px 16px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  align-self: flex-start;
}

.eyebrow {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ---------- header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 26px;
  padding-bottom: 26px;
  border-bottom: 2.5px solid var(--border);
  gap: 16px;
}

.wordmark {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.site-nav a { color: var(--text); }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: clamp(32px, 4.5vw, 64px);
  padding-top: clamp(40px, 5vw, 76px);
  padding-bottom: clamp(48px, 6vw, 84px);
  align-items: center;
}

.hero-copy { display: flex; flex-direction: column; gap: clamp(18px, 2vw, 28px); }

.hero-title { font-size: clamp(72px, 11.7vw, 168px); line-height: 0.84; }

.hero-tagline {
  font-size: clamp(19px, 1.95vw, 28px);
  line-height: 1.25;
  font-weight: 600;
  max-width: 640px;
  text-wrap: pretty;
}

.spec-row { display: flex; align-self: flex-start; }

.spec {
  border: 2.5px solid var(--border);
  background: var(--card);
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.spec + .spec { margin-left: -2.5px; }

/* Phone frame: the app screenshot inside the same bordered, hard-shadowed card
   the design used for its mock player. */
.phone {
  border: 2.5px solid var(--border);
  background: var(--card);
  box-shadow: 4px 4px 0 var(--shadow);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-self: end;
  width: 100%;
}

.phone-chrome {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.phone img {
  border: 2.5px solid var(--border);
  width: 100%;
  height: auto;
  max-height: 660px;
  object-fit: cover;
  object-position: top;
}

/* ---------- features ---------- */

.section { padding-top: clamp(44px, 5.5vw, 72px); padding-bottom: clamp(44px, 5.5vw, 72px); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 3vw, 40px);
  flex-wrap: wrap;
}

.section-title { font-size: clamp(30px, 3.9vw, 56px); }

.section-note { font-size: 14px; font-weight: 700; color: var(--text-tertiary); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 28px);
}

.feature {
  border: 2.5px solid var(--border);
  background: var(--card);
  box-shadow: 4px 4px 0 var(--shadow);
  padding: clamp(20px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 220px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border: 2.5px solid var(--border);
  background: var(--wash);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.feature-icon svg { stroke: var(--text); }

.feature-title {
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  line-height: 1.05;
}

.feature-desc {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-secondary);
  text-wrap: pretty;
}

/* ---------- privacy band ---------- */

.privacy {
  background: var(--accent-strong);
  border-top: 2.5px solid var(--border);
  border-bottom: 2.5px solid var(--border);
  padding-top: clamp(40px, 4.5vw, 64px);
  padding-bottom: clamp(40px, 4.5vw, 64px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: #FFFFFF;
}

.privacy-title { font-size: clamp(30px, 3.6vw, 52px); line-height: 1; color: #FFFFFF; }

.privacy-sub { font-size: clamp(15px, 1.4vw, 20px); font-weight: 700; color: #FFFFFF; }

/* ---------- screens ---------- */

.screens-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.7vw, 24px);
  align-items: start;
}

.screen { display: flex; flex-direction: column; gap: 12px; }
.screen.offset { margin-top: 28px; }

.screen-frame {
  border: 2.5px solid var(--border);
  background: var(--card);
  box-shadow: 4px 4px 0 var(--shadow);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.screen-frame img {
  border: 2.5px solid var(--border);
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: top;
}

.screen-caption { font-size: 14px; font-weight: 700; color: var(--text-secondary); }

/* ---------- recordings ---------- */

.clip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 28px);
}

.clip {
  border: 2.5px solid var(--border);
  background: var(--card);
  box-shadow: 4px 4px 0 var(--shadow);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.clip video {
  border: 2.5px solid var(--border);
  width: 100%;
  background: var(--bg);
}

.clip-caption { font-size: 14px; font-weight: 700; color: var(--text-secondary); text-wrap: pretty; }

/* ---------- closing ---------- */

.closing {
  border-top: 2.5px solid var(--border);
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(48px, 6vw, 84px);
  display: flex;
  flex-direction: column;
  gap: 26px;
  align-items: center;
  text-align: center;
}

.closing .badge { align-self: center; }

.closing-title { font-size: clamp(40px, 4.3vw, 62px); }

.closing-sub {
  font-size: clamp(15px, 1.4vw, 20px);
  font-weight: 600;
  color: var(--text-secondary);
  max-width: 620px;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 2.5px solid var(--border);
  padding-top: 28px;
  padding-bottom: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  font-weight: 700;
  flex-wrap: wrap;
}

.footer-links { display: flex; gap: 28px; }

.footer-meta { color: var(--text-tertiary); }

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .clip-grid { grid-template-columns: repeat(2, 1fr); }
  .screens-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .phone { justify-self: stretch; max-width: 360px; }
}

/* Mobile artboard: 390 — stacked cards, spec chips stack, screens scroll sideways. */
@media (max-width: 640px) {
  .site-header { padding-top: 18px; padding-bottom: 18px; }
  .wordmark { font-size: 18px; }
  .site-nav { font-size: 10px; letter-spacing: 1px; gap: 14px; }

  .hero-title { font-size: clamp(64px, 23.5vw, 92px); }

  .spec-row { flex-direction: column; align-self: stretch; }
  .spec { padding: 13px 16px; font-size: 12px; }
  .spec + .spec { margin-left: 0; margin-top: -2.5px; }

  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature { min-height: 0; }
  .clip-grid { grid-template-columns: 1fr; }

  /* the 390 artboard puts the screens in a sideways-scrolling rail */
  .screens-grid {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
  }
  .screen { min-width: 200px; scroll-snap-align: start; }
  .screen.offset { margin-top: 20px; }
  .screen-caption { font-size: 12px; }

  .site-footer { flex-direction: column; align-items: flex-start; gap: 12px; font-size: 12px; }
  .footer-links { gap: 20px; }
}

/* ---------- prose pages (privacy) ---------- */

.prose {
  max-width: 760px;
  padding-top: clamp(44px, 5.5vw, 76px);
  padding-bottom: clamp(48px, 6vw, 84px);
}

.prose-title { font-size: clamp(40px, 4.3vw, 62px); margin-bottom: 12px; }

.prose-meta {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 32px;
}

.prose-lede {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.4;
  font-weight: 600;
  text-wrap: pretty;
  margin-bottom: 32px;
}

.prose-callout {
  border: 2.5px solid var(--border);
  background: var(--wash);
  box-shadow: 4px 4px 0 var(--shadow);
  padding: clamp(20px, 2vw, 28px);
  margin-bottom: 40px;
}

.prose-callout-title {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.prose-h2 {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  line-height: 1.1;
  margin-top: 40px;
  margin-bottom: 14px;
  padding-top: 20px;
  border-top: 2.5px solid var(--border);
}

.prose p,
.prose li {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--text-secondary);
  text-wrap: pretty;
}

.prose .prose-title,
.prose .prose-lede,
.prose .prose-callout p,
.prose .prose-callout-title { color: var(--text); }

.prose p + p { margin-top: 14px; }

.prose ul {
  margin: 14px 0;
  padding-left: 22px;
  list-style: square;
}

.prose li + li { margin-top: 8px; }

.prose strong { color: var(--text); font-weight: 800; }

a.wordmark { color: var(--text); text-decoration: none; }
a.wordmark:hover { text-decoration: none; }

.privacy-link {
  align-self: flex-start;
  border: 2.5px solid #FFFFFF;
  color: #FFFFFF;
  padding: 12px 18px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-top: 8px;
}

.privacy-link:hover { background: #FFFFFF; color: var(--accent-strong); text-decoration: none; }

/* ---------- theme toggle ---------- */

.header-right { display: flex; align-items: center; gap: clamp(16px, 3vw, 32px); }

.theme-toggle {
  border: 2.5px solid var(--border);
  background: var(--card);
  color: var(--text);
  width: 44px;
  height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: none;
  font: inherit;
}

.theme-toggle:hover { background: var(--wash); }

.theme-toggle:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; }

.theme-toggle svg { stroke: var(--text); fill: none; }

/* Show the icon for the theme the button will switch TO, so the glyph reads as the
   action rather than the current state. */
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }

:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
}