/* Palette from docs/design/SPEC.md. System fonts only; no external requests.
   No inline styles anywhere: the CSP (style-src 'self') blocks them. */
:root {
  --bg: #0E1114;
  --bg-2: #12161A;
  --surface: #171B20;
  --surface-2: #1D2228;
  --hairline: #2A3038;
  --text: #E8EAED;
  --text-2: #9AA4AF;
  --text-3: #8A939E;
  --amber: #F5A623;
  --amber-ink: #1A1205;
  --cyan: #5BC8E6;
  --coral: #FF7A59;
  --radius: 14px;
  --wrap: 68rem;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}

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

a { color: var(--cyan); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ---------- Layout ---------- */

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

/* Text pages (privacy, 404) keep a narrow column. */
main { max-width: 42rem; margin: 0 auto; padding: 0 16px; }
main.wide { max-width: none; padding: 0; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 17, 20, 0.86);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.brand svg { width: 30px; height: 30px; flex: none; }

.site-nav { display: flex; align-items: center; gap: 20px; font-size: 0.95rem; }
.site-nav a { color: var(--text-2); text-decoration: none; }
.site-nav a:hover { color: var(--text); }
.site-nav a[aria-current="page"] { color: var(--text); }
.site-nav .nav-cta, .site-nav .nav-cta:hover, .site-nav .nav-cta[aria-current="page"] { color: var(--amber-ink); }

@media (max-width: 560px) {
  .site-nav .hide-sm { display: none; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }

.btn-primary { background: var(--amber); color: var(--amber-ink); }
.btn-primary:hover { background: #FFB53D; }
.btn-ghost { color: var(--text); border-color: var(--hairline); background: transparent; }
.btn-ghost:hover { border-color: var(--text-3); }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 0.9rem; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }

/* ---------- Type helpers ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }

.pill {
  padding: 6px 12px;
  border: 1px solid rgba(245, 166, 35, 0.35);
  border-radius: 999px;
  background: rgba(245, 166, 35, 0.08);
}

.muted { color: var(--text-2); }
.small { font-size: 0.9rem; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: 1.75rem; margin: 40px 0 8px; }
h2 { font-size: 1.15rem; margin: 36px 0 8px; }
h3 { font-size: 1.15rem; margin: 0 0 8px; }

ul { padding-left: 1.25rem; }
li { margin: 4px 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 20px;
  margin: 32px 0;
}
.card p:first-child, .card h2:first-child, .card h3:first-child { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }

/* ---------- Phone frame ---------- */

.phone {
  margin: 0;
  border-radius: 30px;
  padding: 8px;
  background: #050607;
  border: 1px solid var(--hairline);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}
.phone img { border-radius: 23px; width: 100%; }

/* ---------- Hero ---------- */

.hero { position: relative; padding: 56px 0 72px; overflow: hidden; }

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 70vw;
  max-width: 900px;
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(91, 200, 230, 0.13), rgba(245, 166, 35, 0.06) 55%, transparent 75%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  display: grid;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.3rem, 6.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0;
}

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

.lead { font-size: 1.15rem; color: var(--text-2); max-width: 34rem; margin: 20px 0 0; }

.fine { margin: 16px 0 0; color: var(--text-3); font-size: 0.9rem; }

.hero .phone { width: min(300px, 78vw); justify-self: center; transform: rotate(2deg); }
@media (prefers-reduced-motion: reduce) { .hero .phone { transform: none; } }

@media (min-width: 880px) {
  .hero { padding: 88px 0 104px; }
  .hero .wrap { grid-template-columns: 1.15fr 0.85fr; }
  .hero .phone { width: 320px; }
}

/* ---------- Sections ---------- */

.section { padding: 80px 0; border-top: 1px solid var(--hairline); }
.section.alt { background: var(--bg-2); }

.section-head { max-width: 40rem; margin-bottom: 40px; }
.section-head h2, .split h2 { font-size: clamp(1.7rem, 4.2vw, 2.5rem); margin: 0; }
.section-head p:not(.eyebrow) { color: var(--text-2); font-size: 1.08rem; margin: 16px 0 0; }

.split { display: grid; gap: 48px; align-items: center; }
.split .copy p:not(.eyebrow) { color: var(--text-2); font-size: 1.08rem; }
.split .phone { width: min(300px, 78vw); justify-self: center; }

@media (min-width: 880px) {
  .split { grid-template-columns: 0.85fr 1.15fr; }
  .split .copy { order: 2; }
}

/* Checklist with amber ticks drawn in CSS. */
.ticks { list-style: none; padding: 0; margin: 24px 0 0; }
.ticks li { position: relative; padding-left: 30px; margin: 14px 0; color: var(--text); }
.ticks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.45em;
  width: 12px;
  height: 7px;
  border-left: 2.5px solid var(--amber);
  border-bottom: 2.5px solid var(--amber);
  transform: rotate(-45deg);
}
.ticks strong { color: var(--text); }
.ticks span { color: var(--text-2); }

/* ---------- Screenshot tour ---------- */

.tour {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(78%, 300px);
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 16px 24px;
  margin: 0 -16px;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline) transparent;
}

.tour figure { margin: 0; scroll-snap-align: center; }
.tour figcaption { margin-top: 18px; }
.tour figcaption strong { display: block; font-size: 1.08rem; margin-bottom: 4px; }
.tour figcaption span { color: var(--text-2); font-size: 0.97rem; }

@media (min-width: 880px) {
  .tour {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
    margin: 0;
    padding: 0;
    gap: 40px;
  }
}

.swipe-hint { color: var(--text-3); font-size: 0.85rem; margin: -24px 0 16px; }
@media (min-width: 880px) { .swipe-hint { display: none; } }

/* ---------- Facts grid ---------- */

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.tile {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 22px;
}
.tile h3 { font-size: 1.05rem; letter-spacing: -0.01em; }
.tile p { margin: 0; color: var(--text-2); font-size: 0.97rem; }
.tile svg { width: 26px; height: 26px; margin-bottom: 14px; color: var(--cyan); }

.units { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 28px 0 0; }
.units li {
  margin: 0;
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Alpha call to action ---------- */

.cta-band {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(245, 166, 35, 0.35);
  border-radius: 22px;
  padding: 40px 24px;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(245, 166, 35, 0.16), transparent 55%),
    var(--surface);
}
.cta-band h2 { font-size: clamp(1.7rem, 4.2vw, 2.5rem); margin: 0; }
.cta-band p:not(.eyebrow) { color: var(--text-2); font-size: 1.08rem; max-width: 40rem; }
@media (min-width: 880px) { .cta-band { padding: 56px; } }

.mini-steps { counter-reset: ms; list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
@media (min-width: 720px) { .mini-steps { grid-template-columns: repeat(3, 1fr); } }
.mini-steps li { counter-increment: ms; margin: 0; display: flex; gap: 12px; align-items: baseline; color: var(--text); }
.mini-steps li::before {
  content: counter(ms);
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 800;
  font-size: 0.9rem;
}

/* ---------- Alpha page ---------- */

.page-hero { padding: 56px 0 8px; }
.page-hero h1 { font-size: clamp(2.1rem, 5.6vw, 3.2rem); line-height: 1.06; letter-spacing: -0.03em; margin: 0; }

.alpha-layout { display: grid; gap: 40px; padding: 32px 0 80px; }
@media (min-width: 960px) { .alpha-layout { grid-template-columns: 1fr 300px; align-items: start; } }

.alpha-layout aside .phone { width: min(280px, 72vw); margin: 0 auto; }
@media (min-width: 960px) { .alpha-layout aside { position: sticky; top: 92px; } }

.needs { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.needs li { margin: 0; padding-left: 26px; position: relative; }
.needs li::before { content: ""; position: absolute; left: 4px; top: 0.6em; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 32px 0 0; }
.steps > li {
  counter-increment: step;
  position: relative;
  margin: 0;
  padding: 0 0 36px 64px;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -4px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 800;
  font-size: 1.15rem;
}
.steps > li::after {
  content: "";
  position: absolute;
  left: 21px;
  top: 48px;
  bottom: 6px;
  width: 2px;
  background: var(--hairline);
}
.steps > li:last-child { padding-bottom: 0; }
.steps > li:last-child::after { display: none; }
.steps h3 { font-size: 1.25rem; margin: 4px 0 6px; }
.steps p { color: var(--text-2); margin: 0 0 14px; }
.steps .url { display: block; margin-top: 10px; font-size: 0.85rem; color: var(--text-3); word-break: break-all; }

.callout {
  border-left: 3px solid var(--amber);
  background: rgba(245, 166, 35, 0.07);
  border-radius: 0 10px 10px 0;
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.97rem;
}

.two-col { display: grid; gap: 16px; }
@media (min-width: 720px) { .two-col { grid-template-columns: 1fr 1fr; } }
.two-col .card { margin: 0; }
.two-col h2 { margin-top: 0; }
.two-col ul { margin: 0; padding-left: 1.1rem; }
.two-col li { margin: 10px 0; color: var(--text-2); }
.two-col li strong { color: var(--text); }

.faq details {
  border-bottom: 1px solid var(--hairline);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 32px 16px 0;
  font-weight: 650;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 12px;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-3);
}
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 16px; color: var(--text-2); }

/* ---------- Footer ---------- */

footer {
  margin-top: 64px;
  border-top: 1px solid var(--hairline);
  color: var(--text-3);
  font-size: 0.9rem;
}
footer .wrap { padding-top: 24px; padding-bottom: 48px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
main.wide + footer { margin-top: 0; }
footer a { color: var(--text-2); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer p { margin: 0; }