/* Roadbuds — public site.
   Single, deliberate dark theme: the app's identity lives in its dark mode, and the site is the
   same product. Every colour is painted explicitly so nothing inherits from the host. */

:root {
  --ground: #14171d;
  --sunken: #0f1216;
  --raised: #1e232b;
  --line: #2a2f39;
  --line-strong: #3d4552;

  --ink: #f3f4f6;
  --ink-dim: #9aa1ac;

  --accent: #e8590c;
  --accent-hot: #ff7a1a;
  --accent-surface: #3a2415;

  --tier-drip: #38bdf8;
  --tier-sleeper: #a78bfa;

  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --measure: 66ch;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

a {
  color: var(--accent-hot);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

:focus-visible {
  outline: 2px solid var(--accent-hot);
  outline-offset: 3px;
  border-radius: 3px;
}

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* Road markings. A dashed rule is the one decorative device on the site, and it comes from the
   subject rather than from a stylesheet default. */
.lane {
  height: 2px;
  border: 0;
  margin: 0;
  background: repeating-linear-gradient(
    to right,
    var(--line-strong) 0 22px,
    transparent 22px 40px
  );
  opacity: 0.7;
}

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

.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 64px;
}

.mark {
  display: flex;
  align-items: center;
}

.mark img {
  display: block;
  height: 24px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 3vw, 1.75rem);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--ink-dim);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--ink);
}

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

.hero {
  padding-block: clamp(4rem, 12vw, 8rem) clamp(3rem, 8vw, 5rem);
  background:
    radial-gradient(120% 90% at 50% -10%, var(--accent-surface) 0%, transparent 60%),
    var(--ground);
}

.hero-mark {
  width: min(420px, 78vw);
  height: auto;
  display: block;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 6.2vw, 3.9rem);
  line-height: 1.04;
  max-width: 19ch;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-hot);
}

.hero p {
  color: var(--ink-dim);
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
  max-width: 54ch;
  margin: 0 0 2rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: var(--raised);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
}

.status-pill::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-hot);
}

/* ---------- sections ---------- */

.section {
  padding-block: clamp(3.5rem, 9vw, 6rem);
}

.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-hot);
  margin: 0 0 0.9rem;
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  max-width: 24ch;
  margin-bottom: 1rem;
}

.section > .wrap > p {
  color: var(--ink-dim);
  max-width: var(--measure);
}

/* ---------- the loop: a real sequence, so it is really numbered ---------- */

.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.steps li {
  background: var(--raised);
  padding: 1.75rem;
}

.steps .num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-hot);
  display: block;
  margin-bottom: 0.85rem;
}

.steps h3 {
  font-size: 1.16rem;
  margin-bottom: 0.5rem;
}

.steps p {
  color: var(--ink-dim);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- privacy facts ---------- */

.facts {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .facts {
    grid-template-columns: 1fr 1fr;
  }
}

.facts li {
  border-left: 2px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1.15rem;
}

.facts strong {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.facts span {
  color: var(--ink-dim);
  font-size: 0.95rem;
}

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

.site-foot {
  border-top: 1px solid var(--line);
  background: var(--sunken);
  padding-block: 3rem 2.5rem;
  font-size: 0.92rem;
}

.foot-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 720px) {
  .foot-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.foot-grid h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 0.9rem;
  font-weight: 500;
}

.foot-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.foot-grid a {
  color: var(--ink);
  text-decoration: none;
}

.foot-grid a:hover {
  color: var(--accent-hot);
}

.foot-blurb {
  color: var(--ink-dim);
  max-width: 40ch;
  margin: 0;
}

.foot-legal {
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

/* ---------- long-form documents ---------- */

.doc {
  padding-block: clamp(2.5rem, 7vw, 4rem) clamp(3rem, 8vw, 5rem);
}

.doc-head {
  max-width: var(--measure);
  margin-bottom: 2.5rem;
}

.doc-head h1 {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  margin-bottom: 1rem;
}

.doc-meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.doc-body {
  max-width: var(--measure);
}

.doc-body h2 {
  font-size: 1.32rem;
  margin: 3rem 0 0.85rem;
  scroll-margin-top: 90px;
}

.doc-body h2 .n {
  font-family: var(--mono);
  font-size: 0.78em;
  font-weight: 500;
  color: var(--accent-hot);
  margin-right: 0.6rem;
}

.doc-body h3 {
  font-size: 1.03rem;
  margin: 1.85rem 0 0.5rem;
}

.doc-body p,
.doc-body li {
  color: #dfe2e7;
}

.doc-body ul {
  padding-left: 1.15rem;
  display: grid;
  gap: 0.5rem;
}

.doc-body li::marker {
  color: var(--accent);
}

/* A plain-language aside beside the operative text. Legal pages are read by people trying to work
   out what actually happens to them, and the summary is what answers that. */
.plain {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--tier-drip);
  border-radius: 0 10px 10px 0;
  background: var(--raised);
  padding: 1.1rem 1.35rem;
  margin: 1.5rem 0;
}

.plain b {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tier-drip);
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.plain p {
  margin: 0;
  font-size: 0.95rem;
}

.toc {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--raised);
  padding: 1.35rem 1.5rem;
  margin-bottom: 3rem;
}

.toc h2 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 0.85rem;
  font-weight: 500;
}

.toc ol {
  margin: 0;
  padding-left: 1.3rem;
  display: grid;
  gap: 0.4rem;
  font-size: 0.94rem;
}

.toc a {
  color: var(--ink);
  text-decoration: none;
}

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

/* ---------- contact / support ---------- */

.contact-card {
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--raised);
  padding: 1.75rem;
  margin: 2rem 0;
  max-width: var(--measure);
}

.contact-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.contact-card p {
  color: var(--ink-dim);
  margin: 0 0 1rem;
}

.contact-card .addr {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--ink);
}

.faq {
  max-width: var(--measure);
  margin-top: 2.5rem;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}

.faq summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.03rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

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

.faq summary::after {
  content: '+';
  font-family: var(--mono);
  color: var(--accent-hot);
  flex: none;
}

.faq details[open] summary::after {
  content: '−';
}

.faq details p {
  color: var(--ink-dim);
  font-size: 0.96rem;
  margin: 0.75rem 0 0;
}