@font-face {
  font-family: "Geologica";
  src: url("/assets/fonts/geologica-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --canvas: oklch(16% 0.018 285);
  --canvas-soft: oklch(19% 0.021 285);
  --surface: oklch(22% 0.025 285);
  --surface-strong: oklch(27% 0.03 285);
  --ink: oklch(94% 0.012 285);
  --muted: oklch(74% 0.026 285);
  --quiet: oklch(61% 0.025 285);
  --line: oklch(34% 0.035 285);
  --primary: oklch(76% 0.16 285);
  --primary-ink: oklch(18% 0.055 285);
  --success: oklch(78% 0.16 155);
  --warning: oklch(82% 0.16 80);
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 86% 8%, oklch(29% 0.085 292 / 0.42), transparent 30rem),
    var(--canvas);
  color: var(--ink);
  font-family: "Geologica", "Avenir Next", Avenir, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.26;
  background-image: linear-gradient(oklch(100% 0 0 / 0.025) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--canvas);
  transform: translateY(-150%);
  transition: transform 180ms var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid oklch(39% 0.04 285 / 0.7);
  background: oklch(16% 0.018 285 / 0.93);
  backdrop-filter: blur(18px);
}

.nav-shell,
.shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.nav-shell {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 730;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 13px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 570;
  text-decoration: none;
  transition: color 180ms var(--ease), background-color 180ms var(--ease);
}

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

.hero {
  display: grid;
  min-height: calc(100svh - 72px);
  grid-template-columns: minmax(0, 7fr) minmax(290px, 5fr);
  align-items: center;
  gap: clamp(42px, 7vw, 110px);
  padding-block: clamp(64px, 10vw, 132px);
}

.hero > *,
.section-intro > *,
.route-cta > *,
.footer-shell > *,
.document > * {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.eyebrow::before {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 16px var(--success);
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 820px;
  margin-bottom: 26px;
  font-size: clamp(3.35rem, 8vw, 7.75rem);
  font-weight: 790;
}

h2 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  font-weight: 750;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.lede {
  max-width: 63ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 19px;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: var(--ink);
  font-weight: 670;
  text-decoration: none;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--quiet);
  background: var(--surface);
}

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

.button.primary:hover {
  background: oklch(81% 0.145 285);
}

.led-signature {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 7px;
  width: min(100%, 470px);
  margin-top: 50px;
}

.led-signature span {
  height: 9px;
  border-radius: 999px;
  background: var(--led);
  box-shadow: 0 0 0 transparent;
  animation: activate 760ms var(--ease) both;
  animation-delay: calc(var(--i) * 70ms);
}

.device-stage {
  position: relative;
  justify-self: end;
  width: min(100%, 430px);
  padding: 22px;
}

.device-stage::before {
  position: absolute;
  inset: 15% -6% 12%;
  z-index: -1;
  border-radius: 48%;
  background: oklch(63% 0.19 294 / 0.22);
  filter: blur(60px);
  content: "";
}

.device-stage img {
  width: 100%;
  border: 1px solid oklch(48% 0.07 285 / 0.75);
  border-radius: 35px;
  box-shadow: 0 30px 90px oklch(4% 0.02 285 / 0.72);
}

.caption {
  margin: 16px 10px 0;
  color: var(--quiet);
  font-size: 0.84rem;
}

.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  margin-block: clamp(30px, 6vw, 70px);
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid oklch(68% 0.13 80 / 0.42);
  border-radius: 24px;
  background: oklch(27% 0.06 80 / 0.28);
}

.notice strong {
  display: block;
  margin-bottom: 5px;
  color: var(--warning);
  font-size: 1.05rem;
}

.notice p {
  max-width: 72ch;
  margin: 0;
  color: var(--muted);
}

.section {
  padding-block: clamp(76px, 12vw, 156px);
  border-top: 1px solid var(--line);
}

.section-intro {
  display: grid;
  grid-template-columns: 4fr 7fr;
  gap: clamp(30px, 7vw, 100px);
  align-items: start;
}

.section-intro > p {
  max-width: 68ch;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-list,
.steps,
.support-list {
  margin: clamp(48px, 8vw, 88px) 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li,
.steps li,
.support-list li {
  display: grid;
  grid-template-columns: minmax(54px, 1fr) minmax(0, 10fr);
  gap: 24px;
  padding-block: 28px;
  border-top: 1px solid var(--line);
}

.feature-list .index,
.steps .index,
.support-list .index {
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.feature-list p,
.steps p,
.support-list p {
  max-width: 69ch;
  margin: 0;
  color: var(--muted);
}

.screens {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: clamp(14px, 2vw, 26px);
  align-items: start;
  margin-top: clamp(44px, 8vw, 92px);
}

.screens figure {
  margin: 0;
}

.screens img {
  border: 1px solid var(--line);
  border-radius: clamp(18px, 3vw, 34px);
}

.screens figure:nth-child(2) {
  margin-top: clamp(36px, 7vw, 110px);
}

.screens figcaption {
  padding: 12px 5px 0;
  color: var(--quiet);
  font-size: 0.84rem;
}

.page-hero {
  padding-block: clamp(70px, 11vw, 134px) clamp(50px, 8vw, 94px);
}

.page-hero h1 {
  max-width: 920px;
  font-size: clamp(3rem, 7vw, 6.3rem);
}

.document {
  display: grid;
  grid-template-columns: minmax(180px, 3fr) minmax(0, 8fr);
  gap: clamp(30px, 8vw, 112px);
  padding-bottom: clamp(90px, 12vw, 160px);
}

.document aside {
  position: sticky;
  top: 105px;
  align-self: start;
  color: var(--quiet);
  font-size: 0.88rem;
}

.document aside p {
  margin-top: 0;
}

.document article {
  max-width: 74ch;
}

.document article h2 {
  margin: 2.4em 0 0.65em;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  letter-spacing: -0.03em;
}

.document article h2:first-child {
  margin-top: 0;
}

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

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

.document article li + li {
  margin-top: 10px;
}

.route-cta {
  display: grid;
  grid-template-columns: 7fr 4fr;
  gap: 30px;
  align-items: end;
  padding-block: clamp(70px, 11vw, 130px);
  border-top: 1px solid var(--line);
}

.route-cta p {
  max-width: 62ch;
  margin-bottom: 0;
  color: var(--muted);
}

.route-cta .actions {
  justify-content: flex-end;
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--canvas-soft);
}

.footer-shell {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 30px;
  padding-block: 46px;
}

.footer-shell p {
  max-width: 59ch;
  margin: 0;
  color: var(--quiet);
  font-size: 0.87rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.88rem;
  text-underline-offset: 4px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.83rem;
}

.status-pill::before {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--warning);
  content: "";
}

@keyframes activate {
  from {
    opacity: 0.25;
    transform: scaleX(0.25);
  }
  to {
    opacity: 1;
    transform: scaleX(1);
    box-shadow: 0 0 18px color-mix(in oklch, var(--led) 70%, transparent);
  }
}

@media (max-width: 820px) {
  .nav-shell {
    min-height: auto;
    padding-block: 14px;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .section-intro,
  .route-cta,
  .footer-shell,
  .document {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    min-height: auto;
  }

  .device-stage {
    justify-self: center;
    width: min(82vw, 390px);
  }

  .screens {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    overflow-x: auto;
    padding-bottom: 18px;
  }

  .screens figure:nth-child(2) {
    margin-top: 0;
  }

  .document aside {
    position: static;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
  }

  .route-cta .actions,
  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .nav-shell,
  .shell {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav-links a {
    padding-inline: 10px;
    font-size: 0.86rem;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.6rem);
  }

  .actions .button {
    width: 100%;
  }

  .feature-list li,
  .steps li,
  .support-list li {
    grid-template-columns: 42px 1fr;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}