/* Sealr — landing site styles
   Dark theme, teal accent, system font stack (no external font deps). */

:root {
  --accent: #28CAB4;
  --accent-bright: #46F0D7;
  --accent-deep: #1AA391;
  --amber: #E6973A;

  --bg-0: #04100e;
  --bg-1: #060d0c;
  --bg-2: #0b1716;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(40, 202, 180, 0.16);

  --text: #f4faf9;
  --muted: rgba(244, 250, 249, 0.62);
  --faint: rgba(244, 250, 249, 0.42);

  --maxw: 1120px;
  --radius: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(120% 60% at 85% -5%, rgba(40, 202, 180, 0.16), transparent 55%),
    radial-gradient(90% 50% at 10% 105%, rgba(40, 202, 180, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 55%, var(--bg-0) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

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

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

.u-center { text-align: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: inherit; font-weight: 650; font-size: 16px; cursor: pointer;
  padding: 14px 22px; border-radius: 14px; border: 0;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn--primary {
  color: #04201c;
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  box-shadow: 0 10px 30px rgba(40, 202, 180, 0.28);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(40, 202, 180, 0.36); }
.btn--ghost {
  color: var(--accent);
  background: transparent;
  border: 1px solid rgba(40, 202, 180, 0.4);
}
.btn--ghost:hover { background: rgba(40, 202, 180, 0.08); }
.btn .apple { width: 18px; height: 18px; }
.btn small { display: block; font-size: 11px; font-weight: 500; opacity: .7; letter-spacing: .2px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 13, 12, 0.72);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(40, 202, 180, 0.14);
}
.site-header__row {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 750; font-size: 19px; letter-spacing: .2px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 4px 14px rgba(0,0,0,.4); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a.nav__link { color: var(--muted); font-size: 15px; font-weight: 550; transition: color .15s ease; }
.nav a.nav__link:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero { padding: 84px 0 40px; }
.hero__grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 650; letter-spacing: .4px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px;
  padding: 6px 13px; border-radius: 100px;
  background: rgba(40, 202, 180, 0.10); border: 1px solid rgba(40, 202, 180, 0.22);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.hero h1 {
  font-size: clamp(38px, 5.4vw, 62px); line-height: 1.04; font-weight: 820;
  letter-spacing: -1.6px; margin-bottom: 22px;
}
.hero h1 .hl { color: var(--accent); }
.hero p.lede { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 520px; margin-bottom: 32px; }
.hero__cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero__note { margin-top: 18px; font-size: 13.5px; color: var(--faint); }

/* phone mockup */
.phone {
  position: relative; width: 290px; aspect-ratio: 1179/2556; margin: 0 auto;
  border-radius: 42px; padding: 11px;
  background: linear-gradient(155deg, #33403d, #10201d 70%);
  box-shadow: 0 40px 90px rgba(0,0,0,.6), 0 0 0 1.5px rgba(40,202,180,.18),
              0 0 110px rgba(40,202,180,.14);
}
.phone::after {
  content: ""; position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 22px; background: #000; border-radius: 14px; z-index: 3;
}
.phone .screen { position: relative; width: 100%; border-radius: 33px; overflow: hidden; background: #000; aspect-ratio: 1179/2556; }
.phone .screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__visual { display: flex; justify-content: center; }

/* ---------- section scaffolding ---------- */
.section { padding: 72px 0; }
.section__head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section__head h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 780; letter-spacing: -1px; margin-bottom: 14px; }
.section__head p { color: var(--muted); font-size: 17px; }

/* ---------- features grid ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.feature:hover { border-color: rgba(40,202,180,.4); transform: translateY(-3px); background: rgba(40,202,180,.05); }
.feature__icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(40, 202, 180, 0.12); color: var(--accent); margin-bottom: 18px;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 18.5px; font-weight: 680; margin-bottom: 9px; letter-spacing: -.3px; }
.feature p { color: var(--muted); font-size: 15px; }

/* ---------- showcase ---------- */
.showcase__row { display: flex; justify-content: center; align-items: flex-end; gap: 36px; flex-wrap: wrap; }
.showcase__item { text-align: center; }
.showcase__item .phone { width: 250px; }
.showcase__item.is-lift .phone { width: 270px; }
.showcase__cap { margin-top: 18px; color: var(--muted); font-size: 14.5px; font-weight: 550; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 26px 24px 24px; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); }
.step__num {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  font-weight: 750; font-size: 17px; color: #04201c;
  background: linear-gradient(135deg, var(--accent-bright), var(--accent)); margin-bottom: 16px;
}
.step h3 { font-size: 18px; font-weight: 680; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band__inner {
  background:
    radial-gradient(120% 120% at 50% -20%, rgba(40,202,180,.18), transparent 60%),
    rgba(40, 202, 180, 0.05);
  border: 1px solid rgba(40,202,180,.24); border-radius: 28px; padding: 56px 32px;
}
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 780; letter-spacing: -.8px; margin-bottom: 14px; }
.cta-band p { color: var(--muted); font-size: 17px; margin-bottom: 28px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid rgba(40,202,180,.14); padding: 40px 0 48px; margin-top: 24px; }
.site-footer__row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.site-footer .brand { font-size: 17px; }
.site-footer .brand img { width: 28px; height: 28px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 14.5px; transition: color .15s ease; }
.footer-links a:hover { color: var(--accent); }
.site-footer__legal { margin-top: 26px; color: var(--faint); font-size: 13px; letter-spacing: .3px; }

/* ---------- legal / content pages ---------- */
.doc { padding: 64px 0 40px; }
.doc__inner { max-width: 760px; margin: 0 auto; }
.doc h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; letter-spacing: -1px; margin-bottom: 10px; }
.doc__meta { color: var(--faint); font-size: 14px; margin-bottom: 36px; }
.doc h2 { font-size: 21px; font-weight: 700; margin: 34px 0 12px; letter-spacing: -.4px; }
.doc p, .doc li { color: var(--muted); font-size: 16px; margin-bottom: 12px; }
.doc ul { padding-left: 22px; margin-bottom: 12px; }
.doc li { margin-bottom: 8px; }
.doc strong { color: var(--text); font-weight: 650; }
.doc a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.doc .callout {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 22px 24px; margin: 24px 0;
}
.doc .callout p { margin-bottom: 0; color: var(--text); }
.doc__back { margin-top: 32px; }

/* ---------- 404 ---------- */
.nf { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.nf__code { font-size: clamp(80px, 14vw, 140px); font-weight: 850; line-height: 1; color: var(--accent); letter-spacing: -4px; }
.nf h1 { font-size: 30px; font-weight: 760; margin: 14px 0 10px; }
.nf p { color: var(--muted); font-size: 17px; margin-bottom: 28px; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .hero { padding: 56px 0 24px; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .nav { gap: 16px; }
  .nav .nav__link { display: none; }
}
@media (max-width: 560px) {
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
  .showcase__row { gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}