/* ============================================================
   RxRelay — landing site
   Aesthetic: precision infrastructure / control-room.
   Dark slate canvas, warm copper signal, cream type.
   Palette tokens mirror the app (oklch) for brand fidelity.
   ============================================================ */

:root {
  /* Brand palette — carried over from the application */
  --copper:        oklch(0.6568 0.1268 40.05);
  --copper-bright: oklch(0.7300 0.1430 46.00);
  --copper-deep:   oklch(0.5400 0.1180 38.00);
  --cream:         oklch(0.9780 0.0037 91.28);
  --fg:            oklch(0.8600 0.0110 86.00);
  --muted:         oklch(0.7000 0.0110 84.00);
  --faint:         oklch(0.5600 0.0090 84.00);

  --bg:            oklch(0.1880 0.0033 248.42);
  --bg-2:          oklch(0.2120 0.0033 248.42);
  --surface:       oklch(0.2480 0.0040 248.78);
  --surface-2:     oklch(0.2900 0.0048 248.00);
  --border:        oklch(0.3300 0.0060 248.00);
  --border-soft:   oklch(0.2900 0.0050 248.00);

  --success:       oklch(0.7400 0.1500 150.00);
  --warning:       oklch(0.7800 0.1400 85.00);

  --font-display: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Hanken Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1180px;
  --radius: 16px;
  --radius-lg: 24px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----------------------------- reset ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* Atmospheric layers: grain + a soft copper glow drifting behind the fold */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(620px 520px at 72% -8%, oklch(0.6568 0.1268 40.05 / 0.16), transparent 60%),
    radial-gradient(760px 620px at 8% 4%, oklch(0.45 0.05 250 / 0.30), transparent 62%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

::selection { background: var(--copper); color: oklch(0.18 0.003 248); }

/* ----------------------------- layout ----------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
section { position: relative; z-index: 1; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-bright);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--copper));
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.04; letter-spacing: -0.02em; color: var(--cream); }

/* ----------------------------- nav ----------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: oklch(0.1880 0.0033 248.42 / 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border-soft); background: oklch(0.1880 0.0033 248.42 / 0.9); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color 0.2s; }
.nav__links a:hover { color: var(--cream); }
.nav__cta { display: flex; align-items: center; gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--cream); letter-spacing: -0.02em; }
.brand__mark { width: 30px; height: 30px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 11px 20px; border-radius: 11px; cursor: pointer;
  border: 1px solid transparent; transition: all 0.22s var(--ease); white-space: nowrap;
}
.btn--ghost { color: var(--fg); border-color: var(--border); background: transparent; }
.btn--ghost:hover { border-color: var(--copper); color: var(--cream); background: oklch(0.6568 0.1268 40.05 / 0.08); }
.btn--primary {
  color: oklch(0.16 0.003 248); background: var(--copper);
  box-shadow: 0 1px 0 oklch(1 0 0 / 0.25) inset, 0 10px 30px oklch(0.6568 0.1268 40.05 / 0.30);
}
.btn--primary:hover { background: var(--copper-bright); transform: translateY(-1px); box-shadow: 0 1px 0 oklch(1 0 0 / 0.3) inset, 0 14px 38px oklch(0.6568 0.1268 40.05 / 0.42); }
.btn--lg { padding: 15px 28px; font-size: 16px; border-radius: 13px; }

/* ----------------------------- hero ----------------------------- */
.hero { padding-top: 78px; padding-bottom: 90px; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.15fr);
  gap: 56px;
  align-items: center;
}
.hero__copy { max-width: 560px; }
.hero h1 {
  font-size: clamp(2.6rem, 5.2vw, 4.2rem);
  margin: 22px 0 0;
}
.hero h1 .accent {
  background: linear-gradient(96deg, var(--copper-bright), var(--copper));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__sub {
  margin-top: 24px;
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  color: var(--muted);
  max-width: 540px;
}
.hero__sub b { color: var(--fg); font-weight: 600; }
.hero__actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__note {
  margin-top: 22px; font-family: var(--font-mono); font-size: 12.5px; color: var(--faint);
  display: flex; align-items: center; gap: 9px;
}
.dot-ok { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px oklch(0.7400 0.1500 150 / 0.16); }

/* ---- the centerpiece: live routing diagram ---- */
.diagram {
  position: relative;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(500px 320px at 50% 38%, oklch(0.6568 0.1268 40.05 / 0.10), transparent 70%),
    linear-gradient(180deg, var(--bg-2), oklch(0.1700 0.0033 248.42));
  padding: 22px 22px 18px;
  box-shadow: 0 40px 90px -40px oklch(0 0 0 / 0.7), 0 0 0 1px oklch(1 0 0 / 0.02) inset;
  overflow: hidden;
}
.diagram__bar { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.diagram__bar .lights { display: flex; gap: 6px; }
.diagram__bar .lights i { width: 10px; height: 10px; border-radius: 50%; background: var(--surface-2); display: block; }
.diagram__bar .title { margin-left: auto; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.diagram svg { width: 100%; height: auto; }

/* node card text inside the svg */
.n-label { font-family: var(--font-display); font-weight: 600; fill: var(--cream); }
.n-sub   { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; fill: var(--muted); text-transform: uppercase; }
.flow-line { fill: none; stroke: var(--border); stroke-width: 1.6; }
.flow-anim { fill: none; stroke: var(--copper); stroke-width: 1.8; stroke-dasharray: 5 9; opacity: 0.85; animation: dash 1.1s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -28; } }

/* ----------------------------- marquee / trust ----------------------------- */
.trust { border-block: 1px solid var(--border-soft); background: oklch(0.1700 0.0033 248.42 / 0.5); }
.trust__inner { display: flex; align-items: center; gap: 14px 28px; padding-block: 22px; flex-wrap: wrap; justify-content: space-between; }
.trust__item { display: flex; align-items: center; gap: 12px; }
.trust__item svg { width: 22px; height: 22px; color: var(--copper); flex: none; }
.trust__item span { font-size: 14.5px; color: var(--muted); }
.trust__item b { color: var(--cream); font-weight: 600; }

/* ----------------------------- section heads ----------------------------- */
.section { padding-block: 100px; }
.section__head { max-width: 680px; margin-bottom: 56px; }
.section__head h2 { font-size: clamp(2rem, 3.6vw, 3rem); margin-top: 18px; }
.section__head p { margin-top: 18px; font-size: 1.1rem; color: var(--muted); }
.center { margin-inline: auto; text-align: center; }
.center .eyebrow { justify-content: center; }
.center .eyebrow::after { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--copper), transparent); }

/* ----------------------------- steps ----------------------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  position: relative; padding: 30px 26px 32px;
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), oklch(0.2080 0.0033 248.42));
  overflow: hidden;
}
.step::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--copper), transparent 70%);
  opacity: 0.6;
}
.step__num { font-family: var(--font-mono); font-size: 12px; color: var(--copper-bright); letter-spacing: 0.1em; }
.step__icon { width: 46px; height: 46px; margin: 14px 0 18px; color: var(--copper); }
.step h3 { font-size: 1.4rem; }
.step p { margin-top: 12px; color: var(--muted); font-size: 0.99rem; }

/* ----------------------------- feature grid ----------------------------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  padding: 28px 26px;
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  background: oklch(0.2200 0.0033 248.42 / 0.6);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.feature:hover { transform: translateY(-4px); border-color: var(--border); background: var(--surface); }
.feature__icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  color: var(--copper); background: oklch(0.6568 0.1268 40.05 / 0.12);
  border: 1px solid oklch(0.6568 0.1268 40.05 / 0.25);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.22rem; }
.feature p { margin-top: 10px; color: var(--muted); font-size: 0.96rem; }

/* ----------------------------- routing showcase ----------------------------- */
.showcase { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; }
.showcase__list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.showcase__list li { display: flex; gap: 14px; align-items: flex-start; }
.showcase__list svg { width: 22px; height: 22px; color: var(--copper); flex: none; margin-top: 3px; }
.showcase__list b { color: var(--cream); }
.showcase__list span { color: var(--muted); font-size: 0.99rem; }

.rules {
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface), oklch(0.1900 0.0033 248.42));
  padding: 8px; box-shadow: 0 30px 70px -40px oklch(0 0 0 / 0.7);
}
.rules__head { display: flex; align-items: center; gap: 8px; padding: 12px 14px 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); border-bottom: 1px solid var(--border-soft); }
.rule {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px;
  padding: 16px 14px; border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-mono); font-size: 13px;
}
.rule:last-child { border-bottom: none; }
.rule__cond { color: var(--fg); }
.rule__cond em { color: var(--faint); font-style: normal; }
.rule__cond b { color: var(--copper-bright); font-weight: 600; }
.tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}
.tag--fleet { color: var(--copper-bright); background: oklch(0.6568 0.1268 40.05 / 0.14); border: 1px solid oklch(0.6568 0.1268 40.05 / 0.3); }
.tag--ship { color: var(--success); background: oklch(0.7400 0.1500 150 / 0.12); border: 1px solid oklch(0.7400 0.1500 150 / 0.28); }
.tag--fallback { color: var(--warning); background: oklch(0.7800 0.1400 85 / 0.12); border: 1px solid oklch(0.7800 0.1400 85 / 0.28); }

/* ----------------------------- security band ----------------------------- */
.security {
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 300px at 85% 20%, oklch(0.6568 0.1268 40.05 / 0.10), transparent 65%),
    linear-gradient(180deg, var(--surface), oklch(0.1850 0.0033 248.42));
  padding: 54px 48px;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center;
}
.security h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.security p { margin-top: 16px; color: var(--muted); }
.security__badges { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.badge {
  border: 1px solid var(--border-soft); border-radius: 14px; padding: 18px;
  background: oklch(0.2000 0.0033 248.42 / 0.6);
}
.badge svg { width: 24px; height: 24px; color: var(--copper); margin-bottom: 10px; }
.badge b { display: block; color: var(--cream); font-family: var(--font-display); font-size: 1.05rem; }
.badge span { font-size: 0.86rem; color: var(--faint); }

/* ----------------------------- final cta ----------------------------- */
.cta-final { text-align: center; padding-block: 110px; }
.cta-final h2 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); max-width: 760px; margin-inline: auto; }
.cta-final p { margin: 20px auto 0; max-width: 520px; color: var(--muted); font-size: 1.1rem; }
.cta-final .hero__actions { justify-content: center; margin-top: 34px; }

/* ----------------------------- footer ----------------------------- */
.footer { border-top: 1px solid var(--border-soft); padding-block: 46px; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer__links a { color: var(--muted); font-size: 14px; transition: color 0.2s; }
.footer__links a:hover { color: var(--cream); }
.footer__meta { font-family: var(--font-mono); font-size: 12px; color: var(--faint); }

/* ----------------------------- reveal animation ----------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ----------------------------- responsive ----------------------------- */
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .hero__copy { max-width: none; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .showcase { grid-template-columns: 1fr; gap: 36px; }
  .security { grid-template-columns: 1fr; padding: 38px 28px; }
  .nav__links { display: none; }
  /* even 2x2 grid instead of a lopsided space-between wrap */
  .trust__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .section { padding-block: 72px; }
  .features { grid-template-columns: 1fr; }
  .security__badges { grid-template-columns: 1fr; }
  .hero__actions .btn, .cta-final .btn { flex: 1 1 auto; }
  /* single column on phones — the longest item won't fit two-up */
  .trust__inner { grid-template-columns: 1fr; gap: 16px; }
  /* mobile header: keep brand + Sign in + primary CTA, just size them to fit */
  .nav__inner { height: 60px; padding-inline: 16px; }
  .brand { font-size: 17px; gap: 9px; }
  .brand__mark { width: 26px; height: 26px; }
  .nav__cta { gap: 8px; }
  .nav__cta .btn { padding: 8px 13px; font-size: 14px; border-radius: 9px; }
}
@media (max-width: 360px) {
  /* tightest phones (e.g. SE): a touch more trimming so nothing collides */
  .nav__inner { padding-inline: 12px; }
  .brand { font-size: 16px; }
  .nav__cta .btn { padding: 7px 11px; font-size: 13px; }
}