/* Above You — the app's night-flight-deck palette, on the web.
   No fonts, scripts or images are loaded from anywhere else: the page is one HTML
   file, one stylesheet and inline SVG. That is what lets the privacy page say the
   site collects nothing without an asterisk. */

:root {
  --bg: #060a14;
  --bg-deep: #03050c;
  --bg-elev: #0a1020;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.075);
  --border: rgba(148, 163, 184, 0.16);
  --border-strong: rgba(148, 163, 184, 0.28);
  --border-accent: rgba(56, 224, 242, 0.45);
  --text: #eaf1fb;
  --dim: #9aabc2;
  --faint: #6a7d95;
  --accent: #38e0f2;
  --accent-deep: #2b7fff;
  --accent-soft: rgba(56, 224, 242, 0.12);
  --amber: #ffb020;
  --violet: #a78bfa;
  --green: #34d399;
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --max: 1120px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* The sky behind everything: brighter at the top, like a night horizon. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 70% at 50% -10%, #12203f 0%, rgba(10, 18, 38, 0) 62%),
    linear-gradient(180deg, #0a1226 0%, #060a14 46%, #03050c 100%);
}
/* A faint star field, drawn with shadows so it costs no request. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(234, 241, 251, 0.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 9%, rgba(234, 241, 251, 0.55) 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 32% 61%, rgba(56, 224, 242, 0.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 61% 34%, rgba(234, 241, 251, 0.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 89% 72%, rgba(234, 241, 251, 0.4) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 7% 84%, rgba(167, 139, 250, 0.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 45% 92%, rgba(234, 241, 251, 0.35) 50%, transparent 51%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- type ---------- */
.eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
.eyebrow.dim { color: var(--faint); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 14px; }
h1 { font-size: clamp(36px, 5.6vw, 54px); font-weight: 800; letter-spacing: -1.4px; }
h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -0.8px; }
h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.2px; }
p { margin: 0 0 16px; color: var(--dim); }
.lead { font-size: clamp(17px, 2.2vw, 20px); line-height: 1.65; color: var(--dim); max-width: 56ch; }
.mono { font-family: var(--mono); }

/* ---------- header ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  background: rgba(6, 10, 20, 0.72);
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; gap: 18px; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand svg { width: 30px; height: 30px; display: block; }
.brand span {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 3.6px;
}
nav.site { margin-left: auto; display: flex; align-items: center; gap: 4px; }
nav.site a {
  color: var(--dim);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--r-sm);
}
nav.site a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
nav.site a[aria-current="page"] { color: var(--accent); }
@media (max-width: 720px) {
  nav.site a.hide-sm { display: none; }
  header.site .wrap { height: 58px; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #03050c;
  box-shadow: 0 10px 30px -12px rgba(56, 224, 242, 0.65);
}
.btn-primary:hover { box-shadow: 0 16px 40px -14px rgba(56, 224, 242, 0.8); }
.btn-ghost { border-color: var(--border-strong); color: var(--text); background: var(--surface); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-accent); }
.btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }

/* ---------- hero ---------- */
.hero { padding: clamp(52px, 9vw, 104px) 0 clamp(40px, 7vw, 76px); }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  /* On a phone the words come first; the illustration is the reward for scrolling. */
  .hero .phone { width: min(260px, 62vw); }
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent) 10%, var(--accent-deep) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cta-note { font-size: 12px; color: var(--faint); margin-top: 14px; letter-spacing: 0.2px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-accent);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(56, 224, 242, 0.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(56, 224, 242, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(56, 224, 242, 0); }
  100% { box-shadow: 0 0 0 0 rgba(56, 224, 242, 0); }
}

/* ---------- phone ---------- */
.phone-col { display: flex; justify-content: center; }
.phone {
  position: relative;
  width: min(300px, 78vw);
  aspect-ratio: 9 / 19;
  border-radius: 42px;
  padding: 11px;
  background: linear-gradient(160deg, #1b2740, #070b16 60%);
  box-shadow:
    0 0 0 1px rgba(148, 163, 184, 0.22),
    0 50px 100px -40px rgba(0, 0, 0, 0.9),
    0 0 90px -30px rgba(56, 224, 242, 0.35);
}
.phone-screen {
  position: relative;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: radial-gradient(120% 80% at 50% 0%, #0d1730, #05080f 70%);
}
.notch {
  position: absolute;
  top: 9px; left: 50%; transform: translateX(-50%);
  width: 84px; height: 22px; border-radius: 999px;
  background: #03050c;
  z-index: 3;
}
.phone-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sweep { transform-origin: 50% 50%; animation: sweep 6s linear infinite; }
@keyframes sweep { to { transform: rotate(360deg); } }
.blip { animation: blip 3.2s ease-in-out infinite; }
.blip.b2 { animation-delay: 0.9s; }
.blip.b3 { animation-delay: 1.8s; }
@keyframes blip { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }

/* ---------- strip ---------- */
.strip { border-block: 1px solid var(--border); background: rgba(255, 255, 255, 0.018); }
.strip .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding-block: 26px;
}
.strip .item { text-align: center; padding: 6px 4px; }
.strip .n {
  font-family: var(--mono);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -1px;
}
.strip .k {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: 6px;
}
@media (max-width: 640px) { .strip .wrap { grid-template-columns: repeat(2, 1fr); } }

/* ---------- sections ---------- */
section.band { padding: clamp(56px, 8vw, 96px) 0; }
.section-head { max-width: 62ch; margin-bottom: clamp(30px, 4vw, 46px); }

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.062), rgba(255, 255, 255, 0.016));
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 14.5px; margin: 0; }
.card .ico {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  margin-bottom: 16px;
}
.card .ico svg { width: 20px; height: 20px; }
.card.violet .ico { background: rgba(167, 139, 250, 0.13); border-color: rgba(167, 139, 250, 0.4); }
.card.amber .ico { background: rgba(255, 176, 32, 0.13); border-color: rgba(255, 176, 32, 0.4); }
.card.green .ico { background: rgba(52, 211, 153, 0.13); border-color: rgba(52, 211, 153, 0.4); }

/* steps */
.steps { counter-reset: step; }
.step { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.step:last-child { border-bottom: 0; }
.step .num {
  flex: 0 0 auto;
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 13px; font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  background: var(--accent-soft);
}
.step h3 { margin-bottom: 4px; }
.step p { margin: 0; font-size: 14.5px; }

/* privacy band */
.privacy-band {
  border: 1px solid var(--border-accent);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 130% at 0% 0%, rgba(56, 224, 242, 0.10), transparent 60%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  padding: clamp(26px, 4vw, 44px);
}
.claims { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; }
@media (max-width: 760px) { .claims { grid-template-columns: repeat(2, 1fr); } }
.claim {
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: rgba(3, 5, 12, 0.35);
  padding: 14px;
}
.claim strong { display: block; font-family: var(--mono); font-size: 15px; color: var(--accent); }
.claim span { font-size: 11px; color: var(--faint); letter-spacing: 0.4px; }

/* faq */
details.faq {
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  padding: 0 20px;
  margin-bottom: 10px;
}
details.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 700;
  font-size: 15.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  color: var(--accent);
  font-size: 18px;
}
details.faq[open] summary::after { content: "\2212"; }
details.faq p { font-size: 14.5px; padding-bottom: 6px; }

/* cta */
.cta-box {
  text-align: center;
  border: 1px solid var(--border-accent);
  border-radius: var(--r-lg);
  padding: clamp(34px, 6vw, 60px) 24px;
  background:
    radial-gradient(80% 120% at 50% 0%, rgba(43, 127, 255, 0.16), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01));
}
.cta-box .lead { margin-inline: auto; }
.cta-box .cta-row { justify-content: center; }

/* ---------- prose (legal pages) ---------- */
.prose { max-width: 74ch; }
.prose h2 { font-size: 22px; margin-top: 42px; }
.prose h2:first-of-type { margin-top: 0; }
.prose h3 { font-size: 16px; margin-top: 26px; color: var(--text); }
.prose p, .prose li { font-size: 15px; color: var(--dim); }
.prose ul { padding-left: 20px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--text); }
.updated {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 26px;
}
.callout {
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 16px 18px;
  margin: 22px 0;
}
.callout p { margin: 0; color: var(--text); font-size: 14.5px; }

.page-head { padding: clamp(44px, 7vw, 76px) 0 8px; }

/* contact rows */
.contact-row {
  display: flex; align-items: center; gap: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  padding: 18px 20px;
  color: var(--text);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.contact-row:hover { border-color: var(--border-accent); background: var(--surface-2); text-decoration: none; }
.contact-row .ico {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft); border: 1px solid var(--border-accent);
}
.contact-row .k { font-size: 9px; letter-spacing: 1.8px; text-transform: uppercase; color: var(--faint); }
.contact-row .v { font-family: var(--mono); font-size: 15px; color: var(--accent); }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--border); padding: 44px 0 56px; margin-top: 40px; }
footer.site .cols { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; }
footer.site .brand { margin-bottom: 10px; }
footer.site .tag { font-size: 13px; color: var(--faint); max-width: 34ch; }
footer.site nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 22px; }
footer.site nav a { font-size: 13px; color: var(--dim); }
footer.site .legal {
  margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  font-size: 12px; color: var(--faint);
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }