:root {
  --mrb-navy-900: #071a30;
  --mrb-navy-800: #0b2545;
  --mrb-navy-700: #123461;
  --mrb-navy-600: #1c4a85;
  --mrb-foam: #f5f9ff;
  --mrb-foam-dim: rgba(245, 249, 255, 0.72);
  --mrb-foam-muted: rgba(245, 249, 255, 0.48);
  --mrb-signal: #ff8c1a;
  --mrb-signal-700: #e06a00;
  --mrb-success: #2ecc71;
  --mrb-radius: 0.75rem;
  --mrb-max-width: 68rem;
}

* {
  box-sizing: border-box;
}

.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;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  background: var(--mrb-navy-900);
  color: var(--mrb-foam);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--mrb-signal);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.container {
  max-width: var(--mrb-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid rgba(245, 249, 255, 0.1);
  background: rgba(11, 37, 69, 0.8);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--mrb-foam);
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.brand-title {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--mrb-foam-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

.site-header nav a {
  color: var(--mrb-foam-dim);
  font-weight: 500;
}

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

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: var(--mrb-radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 120ms ease,
    transform 120ms ease;
}

.btn-primary {
  background: var(--mrb-signal);
  color: var(--mrb-navy-900);
}

.btn-primary:hover {
  background: var(--mrb-signal-700);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--mrb-foam);
  border-color: rgba(245, 249, 255, 0.28);
}

.btn-ghost:hover {
  background: rgba(245, 249, 255, 0.08);
  text-decoration: none;
}

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

.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(
      circle at 80% 10%,
      rgba(255, 140, 26, 0.18),
      transparent 55%
    ),
    radial-gradient(
      circle at 10% 90%,
      rgba(28, 74, 133, 0.35),
      transparent 55%
    );
}

.hero .container {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
}

.hero .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mrb-signal);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  line-height: 1.12;
  margin: 0 0 1.25rem;
  letter-spacing: -0.01em;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--mrb-foam-dim);
  max-width: 32rem;
  margin: 0 0 2rem;
}

.hero .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero .micro {
  font-size: 0.82rem;
  color: var(--mrb-foam-muted);
}

.hero-illustration {
  border-radius: var(--mrb-radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  line-height: 0;
}

.hero-illustration img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Section frame ---------- */

section {
  padding: 4rem 0;
  border-top: 1px solid rgba(245, 249, 255, 0.06);
}

section h2 {
  font-size: clamp(1.6rem, 2vw + 0.8rem, 2.2rem);
  margin: 0 0 0.75rem;
}

section p.section-lead {
  color: var(--mrb-foam-dim);
  max-width: 40rem;
  margin: 0 0 2.5rem;
}

/* ---------- Problem / Solution grid ---------- */

.pillar-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.pillar {
  background: var(--mrb-navy-800);
  border: 1px solid rgba(245, 249, 255, 0.08);
  border-radius: var(--mrb-radius);
  padding: 1.5rem;
}

.pillar h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pillar .pillar-icon {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: rgba(255, 140, 26, 0.15);
  color: var(--mrb-signal);
  font-weight: 700;
}

.pillar p {
  color: var(--mrb-foam-dim);
  margin: 0;
  font-size: 0.95rem;
}

/* ---------- Offline section ---------- */

.offline-note {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.offline-note ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.offline-note li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  color: var(--mrb-foam-dim);
}

.offline-note li::before {
  content: "✓";
  color: var(--mrb-success);
  position: absolute;
  left: 0;
  font-weight: 700;
}

.offline-note .disclaimer-card {
  background: rgba(255, 140, 26, 0.08);
  border: 1px solid rgba(255, 140, 26, 0.35);
  border-radius: var(--mrb-radius);
  padding: 1.25rem;
  font-size: 0.9rem;
  color: var(--mrb-foam);
}

.offline-note .disclaimer-card strong {
  color: var(--mrb-signal);
}

/* ---------- Screenshots ---------- */

.screenshots {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.screenshot {
  background: var(--mrb-navy-800);
  border: 1px solid rgba(245, 249, 255, 0.08);
  border-radius: var(--mrb-radius);
  aspect-ratio: 9 / 16;
  overflow: hidden;
  margin: 0;
  display: flex;
  flex-direction: column;
  color: var(--mrb-foam-muted);
  font-size: 0.8rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.screenshot figcaption {
  padding: 0.6rem 0.9rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  border-top: 1px solid rgba(245, 249, 255, 0.06);
  background: rgba(7, 26, 48, 0.55);
}

.screenshot-image img {
  flex: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.screenshot-mock .recog-card {
  flex: 1;
  padding: 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--mrb-foam);
  background:
    radial-gradient(
      circle at 15% 0%,
      rgba(255, 140, 26, 0.12),
      transparent 60%
    ),
    var(--mrb-navy-800);
}

.screenshot-mock .recog-label {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mrb-signal);
}

.screenshot-mock .recog-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 32px;
  margin: 0.25rem 0 0.75rem;
}

.screenshot-mock .recog-wave span {
  flex: 1;
  background: var(--mrb-signal);
  border-radius: 2px;
  opacity: 0.85;
}

.screenshot-mock .recog-wave span:nth-child(1) { height: 20%; }
.screenshot-mock .recog-wave span:nth-child(2) { height: 55%; }
.screenshot-mock .recog-wave span:nth-child(3) { height: 80%; }
.screenshot-mock .recog-wave span:nth-child(4) { height: 95%; }
.screenshot-mock .recog-wave span:nth-child(5) { height: 70%; }
.screenshot-mock .recog-wave span:nth-child(6) { height: 40%; }
.screenshot-mock .recog-wave span:nth-child(7) { height: 60%; }
.screenshot-mock .recog-wave span:nth-child(8) { height: 85%; }
.screenshot-mock .recog-wave span:nth-child(9) { height: 50%; }
.screenshot-mock .recog-wave span:nth-child(10) { height: 30%; }
.screenshot-mock .recog-wave span:nth-child(11) { height: 65%; }
.screenshot-mock .recog-wave span:nth-child(12) { height: 25%; }

.screenshot-mock .recog-lang {
  margin: 0;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mrb-foam-muted);
}

.screenshot-mock .recog-source,
.screenshot-mock .recog-target {
  margin: 0;
  padding: 0.6rem 0.75rem;
  font-size: 0.78rem;
  line-height: 1.45;
  border-radius: 0.5rem;
  background: rgba(245, 249, 255, 0.05);
  border: 1px solid rgba(245, 249, 255, 0.08);
  color: var(--mrb-foam);
}

.screenshot-mock .recog-target {
  background: rgba(255, 140, 26, 0.08);
  border-color: rgba(255, 140, 26, 0.25);
}

/* ---------- Waitlist ---------- */

.waitlist {
  background: linear-gradient(
    135deg,
    rgba(28, 74, 133, 0.55),
    rgba(7, 26, 48, 0.9)
  );
  border-radius: var(--mrb-radius);
  padding: 3rem 2rem;
  text-align: center;
}

.waitlist h2 {
  margin-bottom: 0.75rem;
}

.waitlist p.section-lead {
  margin-left: auto;
  margin-right: auto;
}

.waitlist form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.waitlist input[type="email"] {
  flex: 1 1 18rem;
  padding: 0.75rem 1rem;
  border-radius: var(--mrb-radius);
  border: 1px solid rgba(245, 249, 255, 0.25);
  background: rgba(7, 26, 48, 0.65);
  color: var(--mrb-foam);
  font-size: 0.95rem;
}

.waitlist input[type="email"]:focus {
  outline: 2px solid var(--mrb-signal);
  outline-offset: 1px;
}

.waitlist .micro {
  font-size: 0.78rem;
  color: var(--mrb-foam-muted);
  margin-top: 1rem;
}

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

.site-footer {
  border-top: 1px solid rgba(245, 249, 255, 0.08);
  padding: 2.5rem 0;
  font-size: 0.85rem;
  color: var(--mrb-foam-muted);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.site-footer nav a {
  color: var(--mrb-foam-dim);
}

/* ---------- Legal pages ---------- */

.legal {
  padding: 4rem 0;
}

.legal h1 {
  font-size: 2rem;
  margin: 0 0 1rem;
}

.legal h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.5rem;
}

.legal p,
.legal li {
  color: var(--mrb-foam-dim);
  max-width: 44rem;
}

.legal a.back {
  display: inline-block;
  margin-top: 2rem;
  color: var(--mrb-signal);
}

/* ---------- Responsive ---------- */

@media (max-width: 840px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .offline-note {
    grid-template-columns: 1fr;
  }

  .site-header nav ul {
    gap: 0.75rem;
  }
}