:root {
  color-scheme: light dark;
  --background: #f3f8fa;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --text: #17282e;
  --muted: #5f737b;
  --line: rgba(36, 78, 91, 0.14);
  --accent: #087f9b;
  --accent-soft: rgba(35, 184, 215, 0.13);
  --code: #12272e;
  --code-text: #e9f7fa;
  --shadow: 0 18px 50px rgba(28, 75, 88, 0.09);
  --safe-bottom: max(28px, env(safe-area-inset-bottom));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -8%, rgba(98, 213, 232, 0.2), transparent 30rem),
    var(--background);
  font-size: 17px;
  line-height: 1.58;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

.manual,
.home {
  width: min(100%, 760px);
  margin: 0 auto;
}

.manual {
  padding: max(36px, env(safe-area-inset-top)) 20px var(--safe-bottom);
}

.manual-header {
  max-width: 650px;
  margin: 0 auto 42px;
  text-align: center;
}

.manual-hero {
  margin: -16px 0 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

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

.manual-hero figcaption {
  padding: 12px 16px 14px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.manual-hero-device {
  padding-top: 22px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(0, 149, 199, 0.12), transparent 58%),
    var(--surface);
}

.manual-hero-device img {
  width: auto;
  max-width: min(100%, 520px);
  max-height: 720px;
  margin: 0 auto;
  object-fit: contain;
}

.manual-section-image {
  margin: 24px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.manual-section-image img {
  display: block;
  width: 100%;
  height: auto;
}

.manual-section-image figcaption {
  padding: 10px 14px 12px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.manual-section-image-device {
  padding: 18px 18px 0;
  text-align: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(0, 149, 199, 0.1), transparent 62%),
    var(--surface);
}

.manual-section-image-device img {
  width: auto;
  max-width: min(100%, 410px);
  max-height: 540px;
  margin: 0 auto;
  object-fit: contain;
}

.app-logo-link {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 88px;
  height: 88px;
  margin-bottom: 23px;
  border-radius: 22px;
  -webkit-tap-highlight-color: transparent;
}

.app-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: 82px;
  height: 82px;
  border-radius: 20px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.55) inset,
    0 9px 24px rgba(12, 72, 88, 0.2);
}

.app-logo-glow {
  position: absolute;
  inset: -16px;
  border-radius: 38px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.88), transparent 28%),
    radial-gradient(circle, rgba(65, 205, 226, 0.5), rgba(37, 141, 171, 0.1) 57%, transparent 72%);
  filter: blur(9px);
  opacity: 0.88;
}

.app-logo-link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 10px;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  text-wrap: balance;
}

h1 {
  max-width: 690px;
  margin: 0 auto;
  font-size: clamp(2.05rem, 8vw, 3.55rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 610px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 3.8vw, 1.25rem);
  line-height: 1.5;
}

.manual-content {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
}

.manual-layout {
  display: grid;
  gap: 18px;
}

.manual-toc {
  padding: 21px 22px 18px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
}

.manual-toc-title {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.manual-toc ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: manual-toc;
  font-size: 0.92rem;
}

.manual-toc li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  align-items: start;
  margin: 0;
  padding-left: 0;
  counter-increment: manual-toc;
}

.manual-toc li::before {
  content: counter(manual-toc) ".";
  align-self: start;
  padding: 4px 0;
  color: var(--accent);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
}

.manual-toc a {
  display: inline-block;
  padding: 4px 0;
  color: var(--text);
  line-height: 1.35;
  text-decoration: none;
}

.manual-toc a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.manual-section {
  padding: 30px 23px 33px;
  scroll-margin-top: 20px;
}

.manual-section + .manual-section {
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 17px;
  font-size: clamp(1.35rem, 5vw, 1.72rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 12px;
  font-size: 1.08rem;
  line-height: 1.25;
  letter-spacing: -0.012em;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 18px 0;
  padding-left: 1.45rem;
}

li {
  margin: 0 0 0.65rem;
  padding-left: 0.2rem;
}

li::marker {
  color: var(--accent);
  font-weight: 700;
}

dl {
  margin: 18px 0 0;
}

dl div {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

dt {
  margin-bottom: 4px;
  font-weight: 700;
}

dd {
  margin: 0;
  color: var(--muted);
}

.info-cards {
  display: grid;
  gap: 11px;
  margin: 20px 0 0;
}

.info-cards + .paragraph-after {
  margin-top: 24px;
}

.info-card {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-strong);
}

.info-card h3 {
  margin-bottom: 5px;
}

.info-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.resource-links {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.linked-resources {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.linked-resources .resource-links {
  margin-top: 0;
}

.linked-resources .paragraph-after {
  margin: 0;
}

.resource-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 68px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  text-decoration: none;
}

.resource-links a:hover strong {
  text-decoration: underline;
}

.resource-links strong,
.resource-links small {
  display: block;
}

.resource-links small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.87em;
}

dt code {
  padding: 0.18em 0.42em;
  border-radius: 6px;
  color: var(--accent);
  background: var(--accent-soft);
}

.code-card {
  max-width: 100%;
  margin: 22px -9px;
  overflow-x: auto;
  border-radius: 15px;
  color: var(--code-text);
  background: var(--code);
  box-shadow: 0 12px 28px rgba(15, 46, 54, 0.15);
  -webkit-overflow-scrolling: touch;
}

pre {
  margin: 0;
  padding: 20px;
  font-size: 0.76rem;
  line-height: 1.55;
}

.note,
.prompt-card {
  margin-top: 22px;
  border-radius: 15px;
  background: var(--accent-soft);
}

.note {
  padding: 15px 17px;
  border-left: 3px solid var(--accent);
  color: var(--text);
  font-size: 0.94rem;
}

.prompt-card {
  padding: 18px;
}

.prompt-card + p {
  margin-top: 30px;
}

.result-paragraph {
  margin-top: 22px;
  font-weight: 650;
}

.alternative-path {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.card-label {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer {
  padding: 34px 5px 8px;
  text-align: center;
}

.footnotes {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: left;
}

.footnotes p {
  margin-bottom: 0.6rem;
}

.footnote-reference {
  margin-left: 0.16em;
  font-size: 0.65em;
  line-height: 0;
  vertical-align: super;
}

.footnote-reference a,
.footnote-backlink {
  color: var(--accent);
  font-weight: 750;
  text-decoration: none;
}

.footnote-reference a:hover,
.footnote-backlink:hover {
  text-decoration: underline;
}

.language-switch,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: 0 7px 22px rgba(28, 75, 88, 0.08);
  font-weight: 650;
  text-decoration: none;
}

.footer-brand {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home {
  display: grid;
  min-height: 100svh;
  place-content: center;
  justify-items: center;
  padding: max(36px, env(safe-area-inset-top)) 24px var(--safe-bottom);
  text-align: center;
}

.home .primary-link {
  margin-top: 28px;
}

.landing-home {
  width: min(100%, 1180px);
  min-height: 100svh;
  margin: 0 auto;
  overflow-x: clip;
  padding:
    max(20px, env(safe-area-inset-top))
    clamp(18px, 4vw, 48px)
    var(--safe-bottom);
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 58px;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.02em;
  white-space: nowrap;
  text-decoration: none;
}

.landing-brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  box-shadow: 0 7px 18px rgba(12, 72, 88, 0.17);
}

.landing-language {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.landing-hero {
  display: grid;
  gap: 34px;
  align-items: center;
  padding: clamp(52px, 9vw, 102px) 0 clamp(38px, 7vw, 74px);
}

.landing-copy {
  position: relative;
  z-index: 1;
}

.landing-copy h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.8rem, 10.5vw, 5.7rem);
  line-height: 0.96;
}

.landing-copy .lead {
  max-width: 100%;
  margin: 24px 0 0;
}

.landing-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 700;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.landing-status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef9a32;
  box-shadow: 0 0 0 5px rgba(239, 154, 50, 0.12);
}

.landing-availability {
  margin: 17px 0 0;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 650;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 30px;
}

.landing-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 15px;
  font-weight: 720;
  line-height: 1.2;
  text-decoration: none;
}

.landing-button-primary {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 12px 28px rgba(8, 127, 155, 0.23);
}

.landing-button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: 0 8px 22px rgba(28, 75, 88, 0.07);
}

.landing-device {
  position: relative;
  margin: 0;
}

.landing-device::before {
  position: absolute;
  z-index: -1;
  inset: 15% 12%;
  border-radius: 50%;
  background: rgba(46, 183, 211, 0.2);
  filter: blur(60px);
  content: "";
}

.landing-device img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 30px 38px rgba(13, 45, 55, 0.18));
}

.landing-summary {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
}

.landing-summary article {
  padding: 25px 23px 27px;
}

.landing-summary article + article {
  border-top: 1px solid var(--line);
}

.landing-summary h2 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.landing-summary p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.48;
}

.landing-invitation {
  display: grid;
  gap: 24px;
  align-items: center;
  margin: 0 0 clamp(28px, 5vw, 48px);
  padding: clamp(28px, 6vw, 58px);
  overflow: hidden;
  border: 1px solid rgba(8, 127, 155, 0.2);
  border-radius: 27px;
  background:
    radial-gradient(circle at 88% 15%, rgba(82, 211, 233, 0.25), transparent 18rem),
    var(--accent-soft);
}

.landing-invitation h2 {
  max-width: 680px;
  margin-bottom: 13px;
  font-size: clamp(1.75rem, 5.5vw, 2.7rem);
}

.landing-invitation p:not(.eyebrow) {
  max-width: 690px;
  color: var(--muted);
}

.landing-invitation .landing-button {
  justify-self: start;
}

.landing-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: clamp(48px, 8vw, 82px);
  padding: 22px 2px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.landing-footer a {
  font-weight: 650;
  text-decoration: none;
}

.charter-page {
  width: min(100%, 1220px);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) clamp(20px, 4vw, 54px) var(--safe-bottom);
  overflow: hidden;
}

.charter-hero {
  display: grid;
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
  padding: clamp(50px, 8vw, 92px) 0 clamp(62px, 10vw, 112px);
}

.charter-hero-copy {
  min-width: 0;
}

.charter-hero h1 {
  max-width: 820px;
  margin: 0 0 22px;
  overflow-wrap: normal;
  font-size: clamp(2.55rem, 4.5vw, 3.65rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.charter-hero .lead {
  max-width: 710px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.2vw, 1.38rem);
  line-height: 1.48;
}

.charter-audience {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
}

.charter-hero-image,
.charter-wide-image,
.charter-route-image {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: clamp(20px, 3vw, 30px);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.charter-hero-image {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.charter-hero-image img,
.charter-wide-image img,
.charter-route-image img {
  display: block;
  width: 100%;
  height: auto;
}

.charter-hero-image img {
  filter: drop-shadow(0 28px 38px rgba(13, 45, 55, 0.14));
}

.charter-wide-image figcaption,
.charter-route-image figcaption {
  padding: 14px 18px 17px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.charter-section {
  margin-bottom: clamp(76px, 11vw, 130px);
}

.charter-section-header {
  max-width: 830px;
  margin-bottom: 32px;
}

.charter-section h2,
.charter-contact h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3.45rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.charter-section-header > p:last-child,
.charter-operator-copy > p:last-of-type,
.charter-contact p:not(.eyebrow) {
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.charter-benefits,
.charter-use-cases,
.charter-steps {
  display: grid;
  gap: 16px;
}

.charter-benefits article,
.charter-use-cases article,
.charter-steps article {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
}

.charter-benefits h3,
.charter-use-cases h3,
.charter-steps h3 {
  margin: 0 0 9px;
  font-size: 1.17rem;
}

.charter-benefits p,
.charter-use-cases p,
.charter-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.52;
}

.charter-wide-image {
  margin: 24px 0;
}

.charter-operator {
  display: grid;
  gap: clamp(28px, 5vw, 54px);
  padding: clamp(26px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    radial-gradient(circle at 95% 5%, rgba(65, 201, 228, 0.16), transparent 24rem),
    var(--surface);
  box-shadow: var(--shadow);
}

.charter-operator ul {
  display: grid;
  gap: 13px;
  margin: 27px 0 0;
  padding: 0;
  list-style: none;
}

.charter-operator li {
  position: relative;
  padding-left: 29px;
  line-height: 1.45;
}

.charter-operator li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--accent);
  font-weight: 800;
  content: "✓";
}

.charter-route-image {
  align-self: center;
}

.charter-steps article > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: var(--surface-strong);
  background: var(--accent);
  font-weight: 800;
}

.charter-contact {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: clamp(30px, 6vw, 64px);
  border: 1px solid rgba(8, 127, 155, 0.2);
  border-radius: 30px;
  background:
    radial-gradient(circle at 90% 10%, rgba(82, 211, 233, 0.28), transparent 20rem),
    var(--accent-soft);
}

.charter-contact p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
}

.charter-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-self: start;
}

.guides-index .language-switch {
  margin-top: 28px;
}

@media (min-width: 620px) {
  .charter-benefits,
  .charter-use-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .charter-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .charter-contact {
    grid-template-columns: minmax(0, 1fr) minmax(220px, auto);
  }

  .charter-contact-actions {
    flex-direction: column;
  }

  .landing-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .landing-summary article + article {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .landing-invitation {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .manual {
    padding-right: 30px;
    padding-left: 30px;
  }

  .manual-section {
    padding: 40px 44px 43px;
  }

  .info-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .code-card {
    margin-right: 0;
    margin-left: 0;
  }

  pre {
    padding: 24px;
    font-size: 0.82rem;
  }
}

@media (min-width: 1040px) {
  .charter-hero {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    gap: clamp(52px, 5vw, 78px);
  }

  .charter-operator {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .landing-hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(46px, 4vw, 66px);
  }

  .landing-device {
    margin: 0;
  }

  .manual {
    width: min(100%, 1080px);
  }

  .manual-header {
    margin-bottom: 50px;
  }

  .manual-layout {
    grid-template-columns: 240px minmax(0, 760px);
    gap: 28px;
    align-items: start;
  }

  .manual-toc {
    position: sticky;
    top: 24px;
    padding: 21px 20px 18px;
    box-shadow: 0 12px 35px rgba(28, 75, 88, 0.07);
  }

  .manual-toc ol {
    font-size: 0.84rem;
  }

  .site-footer {
    width: 760px;
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .app-logo-link,
  .language-switch,
  .primary-link,
  .landing-button,
  .landing-language {
    transition: transform 160ms ease, box-shadow 160ms ease;
  }

  .app-logo-link:hover,
  .language-switch:hover,
  .primary-link:hover,
  .landing-button:hover,
  .landing-language:hover {
    transform: translateY(-2px);
  }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --background: #071419;
    --surface: rgba(14, 33, 39, 0.83);
    --surface-strong: #11252c;
    --text: #edf7f9;
    --muted: #a4b8be;
    --line: rgba(164, 210, 220, 0.14);
    --accent: #63d1e6;
    --accent-soft: rgba(67, 193, 217, 0.13);
    --code: #02090c;
    --code-text: #e9f7fa;
    --shadow: 0 20px 55px rgba(0, 0, 0, 0.28);
  }

  body {
    background:
      radial-gradient(circle at 50% -8%, rgba(37, 154, 179, 0.17), transparent 30rem),
      var(--background);
  }

  .landing-button-primary {
    color: #062229;
  }
}