:root {
  color-scheme: dark;
  --ink: #edf9f3;
  --muted: #a8bbb5;
  --page: #071117;
  --panel: #0d1b23;
  --panel-strong: #13252e;
  --line: #24404a;
  --preview: #5ce39a;
  --program: #ff6470;
  --accent: #ffc86f;
  --blue: #7bd8ff;
  --max: 72rem;
  --radius: 1.25rem;
  --shadow: 0 1.25rem 4rem rgb(0 0 0 / 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 4%, rgb(92 227 154 / 0.09), transparent 28rem),
    radial-gradient(circle at 12% 28%, rgb(123 216 255 / 0.07), transparent 26rem),
    var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--preview);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  background: var(--ink);
  color: var(--page);
  left: 1rem;
  padding: 0.65rem 1rem;
  position: fixed;
  top: -5rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  margin-inline: auto;
  max-width: var(--max);
  padding-inline: clamp(1.25rem, 4vw, 2.25rem);
}

.site-header {
  backdrop-filter: blur(18px);
  background: rgb(7 17 23 / 0.82);
  border-bottom: 1px solid rgb(36 64 74 / 0.8);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav-shell {
  align-items: center;
  display: flex;
  min-height: 4.75rem;
  position: relative;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 1.02rem;
  font-weight: 750;
  gap: 0.65rem;
  letter-spacing: -0.02em;
  margin-right: auto;
  text-decoration: none;
}

.brand img {
  height: 2.15rem;
  width: 2.15rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.nav-toggle {
  align-items: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  height: 2.75rem;
  justify-content: center;
  width: 2.75rem;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  background: currentColor;
  border-radius: 1rem;
  content: "";
  display: block;
  height: 2px;
  position: absolute;
  width: 1.15rem;
}

.nav-toggle::before { transform: translateY(-0.35rem); }
.nav-toggle::after { transform: translateY(0.35rem); }

.site-nav {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  left: 1.25rem;
  padding: 0.65rem;
  position: absolute;
  right: 1.25rem;
  top: 4.25rem;
}

.site-nav ul {
  display: grid;
  gap: 0.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  border-radius: 0.65rem;
  color: var(--muted);
  display: block;
  font-size: 0.9rem;
  font-weight: 650;
  padding: 0.65rem 0.75rem;
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  background: var(--panel-strong);
  color: var(--ink);
}

.site-nav .language {
  border: 1px solid var(--line);
  color: var(--ink);
  text-align: center;
}

main {
  overflow: hidden;
}

.hero {
  padding-block: clamp(4rem, 9vw, 7.5rem) clamp(4.5rem, 9vw, 7rem);
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: clamp(3rem, 7vw, 6rem);
}

.eyebrow {
  align-items: center;
  color: var(--preview);
  display: flex;
  font-size: 0.75rem;
  font-weight: 800;
  gap: 0.55rem;
  letter-spacing: 0.16em;
  margin: 0 0 1.15rem;
  text-transform: uppercase;
}

.eyebrow::before {
  background: currentColor;
  border-radius: 999px;
  box-shadow: 0 0 1rem currentColor;
  content: "";
  height: 0.45rem;
  width: 0.45rem;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.9rem, 8vw, 6.1rem);
  letter-spacing: -0.065em;
  margin-bottom: 1.35rem;
  max-width: 12ch;
}

h1 .soft {
  color: var(--muted);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.55rem);
  letter-spacing: -0.045em;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  max-width: 42rem;
}

.actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  display: inline-flex;
  font-weight: 750;
  gap: 0.5rem;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.7rem 1.1rem;
  text-decoration: none;
}

.button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--page);
}

.button.primary:hover {
  background: var(--preview);
  border-color: var(--preview);
  color: var(--page);
}

.button.secondary:hover {
  background: var(--panel-strong);
  color: var(--ink);
}

.microcopy {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 1rem;
}

.control-stage {
  perspective: 75rem;
}

.control-surface {
  background: linear-gradient(145deg, #142833, #09151c 68%);
  border: 1px solid #31505d;
  border-radius: 1.8rem;
  box-shadow: var(--shadow), inset 0 1px rgb(255 255 255 / 0.08);
  min-height: 30rem;
  padding: clamp(1.1rem, 4vw, 2.1rem);
  position: relative;
  transform: rotateY(-4deg) rotateX(2deg);
}

.surface-top {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
}

.surface-title {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.live-pill {
  background: rgb(92 227 154 / 0.1);
  border: 1px solid rgb(92 227 154 / 0.35);
  border-radius: 999px;
  color: var(--preview);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.3rem 0.55rem;
}

.bus-label {
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin-bottom: 0.55rem;
  text-transform: uppercase;
}

.source-row {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 1.2rem;
}

.source-key {
  background: #172b35;
  border: 1px solid #36515d;
  border-radius: 0.65rem;
  box-shadow: inset 0 1px rgb(255 255 255 / 0.05);
  color: #c9d7d3;
  font-size: 0.68rem;
  font-weight: 750;
  min-height: 3.7rem;
  padding: 0.7rem 0.35rem;
  text-align: center;
}

.source-key.preview {
  border-color: var(--preview);
  box-shadow: 0 0 1rem rgb(92 227 154 / 0.18), inset 0 0 0 1px var(--preview);
  color: var(--preview);
}

.source-key.program {
  border-color: var(--program);
  box-shadow: 0 0 1rem rgb(255 100 112 / 0.18), inset 0 0 0 1px var(--program);
  color: var(--program);
}

.transition-zone {
  align-items: stretch;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 4.5rem;
  margin-top: 1.5rem;
}

.transition-actions {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(2, 1fr);
}

.transition-key {
  align-items: center;
  background: #172b35;
  border: 1px solid #36515d;
  border-radius: 0.7rem;
  color: var(--muted);
  display: flex;
  font-size: 0.7rem;
  font-weight: 800;
  justify-content: center;
  min-height: 3.3rem;
  text-transform: uppercase;
}

.transition-key.auto {
  background: var(--accent);
  border-color: var(--accent);
  color: #221806;
}

.tbar-track {
  background: #071117;
  border: 1px solid #36515d;
  border-radius: 999px;
  box-shadow: inset 0 0.4rem 1rem rgb(0 0 0 / 0.5);
  margin-inline: auto;
  position: relative;
  width: 1rem;
}

.tbar-track::before {
  background: var(--ink);
  border-radius: 99px;
  box-shadow: 0 0 0 0.28rem #34505b, 0 0.45rem 1.2rem rgb(0 0 0 / 0.5);
  content: "";
  height: 3.2rem;
  left: 50%;
  position: absolute;
  top: 18%;
  transform: rotate(14deg) translateX(-50%);
  transform-origin: bottom;
  width: 0.65rem;
}

.tbar-track::after {
  background: var(--accent);
  border: 0.2rem solid #0b1820;
  border-radius: 50%;
  box-shadow: 0 0 0 0.16rem var(--accent);
  content: "";
  height: 1.3rem;
  left: 50%;
  position: absolute;
  top: 9%;
  transform: translateX(-50%);
  width: 1.3rem;
}

.section {
  padding-block: clamp(4.25rem, 9vw, 7.5rem);
}

.section + .section {
  border-top: 1px solid rgb(36 64 74 / 0.65);
}

.section-heading {
  margin-bottom: 2.5rem;
  max-width: 47rem;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.08rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card {
  background: linear-gradient(160deg, rgb(19 37 46 / 0.95), rgb(11 25 32 / 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.35rem, 3vw, 2rem);
}

.card p,
.card li {
  color: var(--muted);
}

.card .number {
  color: var(--accent);
  display: block;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem;
}

.card ul,
.check-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.card li,
.check-list li {
  padding: 0.35rem 0 0.35rem 1.65rem;
  position: relative;
}

.card li::before,
.check-list li::before {
  color: var(--preview);
  content: "✓";
  font-weight: 850;
  left: 0;
  position: absolute;
}

.pricing-grid {
  display: grid;
  gap: 1rem;
}

.price-card {
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: rgb(255 200 111 / 0.6);
  box-shadow: 0 1.4rem 4rem rgb(0 0 0 / 0.22);
}

.price {
  font-size: clamp(2.3rem, 5vw, 3.2rem);
  font-weight: 820;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0.5rem 0 0.25rem;
}

.price-note {
  color: var(--muted);
  font-size: 0.83rem;
}

.price-card .button {
  margin-top: auto;
}

.notice {
  background: rgb(123 216 255 / 0.07);
  border: 1px solid rgb(123 216 255 / 0.25);
  border-radius: 1rem;
  color: #ccefff;
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
}

.notice strong {
  color: var(--blue);
}

.status {
  align-items: center;
  border: 1px solid currentColor;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.68rem;
  font-weight: 850;
  gap: 0.4rem;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.55rem;
  text-transform: uppercase;
  white-space: nowrap;
}

.status::before {
  background: currentColor;
  border-radius: 50%;
  content: "";
  height: 0.38rem;
  width: 0.38rem;
}

.status.validated { color: var(--preview); }
.status.planned { color: var(--accent); }
.status.simulator { color: var(--blue); }

.table-wrap {
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 47rem;
  width: 100%;
}

caption {
  color: var(--muted);
  padding: 1rem 1.2rem;
  text-align: left;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.1rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--panel-strong);
  color: var(--ink);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

tbody tr:last-child td {
  border-bottom: 0;
}

td strong {
  color: var(--ink);
}

.page-hero {
  padding-block: clamp(4rem, 8vw, 6.5rem) clamp(3rem, 6vw, 5rem);
}

.page-hero h1 {
  max-width: 14ch;
}

.prose {
  max-width: 48rem;
}

.prose h2 {
  font-size: clamp(1.55rem, 4vw, 2.15rem);
  margin-top: 3rem;
}

.prose h3 {
  margin-top: 2rem;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose strong {
  color: var(--ink);
}

.prose code {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  color: var(--accent);
  padding: 0.15rem 0.35rem;
}

.support-grid {
  display: grid;
  gap: 1rem;
}

.step {
  align-items: flex-start;
  display: grid;
  gap: 1rem;
  grid-template-columns: 2.5rem 1fr;
}

.step-index {
  align-items: center;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 850;
  height: 2.5rem;
  justify-content: center;
  width: 2.5rem;
}

.step h3 {
  margin-bottom: 0.4rem;
}

.step p {
  margin: 0;
}

.cta-panel {
  align-items: center;
  background: linear-gradient(130deg, rgb(92 227 154 / 0.14), rgb(123 216 255 / 0.08));
  border: 1px solid rgb(92 227 154 / 0.32);
  border-radius: var(--radius);
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 5vw, 3rem);
}

.cta-panel h2 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin-bottom: 0.6rem;
}

.cta-panel p {
  color: var(--muted);
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding-block: 2.5rem;
}

.footer-grid {
  display: grid;
  gap: 1.4rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-size: 0.88rem;
  text-decoration: none;
}

.legal {
  color: #7e938d;
  font-size: 0.75rem;
  max-width: 55rem;
}

@media (min-width: 600px) {
  .card-grid,
  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    background: transparent;
    border: 0;
    box-shadow: none;
    display: block !important;
    left: auto;
    padding: 0;
    position: static;
    right: auto;
  }

  .site-nav ul {
    align-items: center;
    display: flex;
    gap: 0.15rem;
  }

  .site-nav a {
    padding: 0.48rem 0.68rem;
  }

  .site-nav .language {
    margin-left: 0.35rem;
    padding-inline: 0.8rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(22rem, 0.98fr);
  }

  .card-grid.three {
    grid-template-columns: repeat(3, 1fr);
  }

  .cta-panel {
    grid-template-columns: 1fr auto;
  }

  .footer-grid {
    align-items: start;
    grid-template-columns: 1fr auto;
  }
}

@media (max-width: 430px) {
  .brand small { display: none; }
  .control-surface { min-height: 27rem; }
  .source-key { font-size: 0.58rem; min-height: 3.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #d5e3df;
    --line: #5c737b;
  }
}