:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --ink-muted: #aebdca;
  --night: #060b16;
  --night-soft: #0b1322;
  --line: rgba(255, 255, 255, 0.11);
  --cyan: #00ffeb;
  --cyan-soft: rgba(0, 255, 235, 0.12);
  --paper: #f7f8f3;
  --paper-ink: #17202b;
  --paper-muted: #52616d;
  --paper-line: #dce2df;
  --radius: 24px;
  --sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 88% 8%, rgba(0, 255, 235, 0.09), transparent 30rem),
    radial-gradient(circle at 10% 45%, rgba(255, 255, 255, 0.045), transparent 25rem),
    var(--night);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-180%);
  border-radius: 999px;
  background: var(--cyan);
  color: var(--night);
  padding: 0.7rem 1rem;
  font-weight: 800;
  text-decoration: none;
}

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

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 11, 22, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 2rem));
  min-height: 76px;
  margin: 0 auto;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}

.brand span span {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  color: var(--ink-muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 255, 235, 0.8);
  content: "";
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  min-height: calc(100vh - 77px);
  margin: 0 auto;
  padding: 6rem 0;
  gap: clamp(3rem, 8vw, 8rem);
}

.hero h1,
.legal-intro h1,
.not-found h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.35rem, 8vw, 7.5rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.hero h1 em {
  color: var(--cyan);
  font-style: normal;
}

.hero-lede {
  max-width: 42rem;
  margin: 2rem 0 0;
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.75rem 1.2rem;
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 255, 235, 0.45);
}

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

.signal-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.28);
}

.signal-card::before,
.signal-card::after {
  position: absolute;
  border: 1px solid rgba(0, 255, 235, 0.18);
  border-radius: 50%;
  content: "";
}

.signal-card::before {
  inset: 12%;
}

.signal-card::after {
  inset: 26%;
}

.signal-card img {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: 1;
  width: 52%;
  border-radius: 25%;
  transform: translate(-50%, -50%);
}

.signal-label {
  position: absolute;
  right: 1.4rem;
  bottom: 1.35rem;
  left: 1.4rem;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.legal-hero {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 5.5rem 0 3rem;
}

.legal-intro {
  max-width: 850px;
}

.legal-intro h1 {
  font-size: clamp(3.1rem, 7vw, 6.5rem);
}

.legal-intro p:last-child {
  max-width: 650px;
  margin: 1.75rem 0 0;
  color: var(--ink-muted);
  font-size: 1.08rem;
}

.legal-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  align-items: start;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto 6rem;
  gap: 1.5rem;
}

.toc {
  position: sticky;
  top: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.2rem;
}

.toc strong {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--ink);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.toc ol {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc a {
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
}

.toc a:hover {
  color: var(--cyan);
}

.legal-document {
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(1.5rem, 5vw, 4.8rem);
  box-shadow: 0 35px 120px rgba(0, 0, 0, 0.28);
}

.document-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--paper-line);
  padding-bottom: 1rem;
  color: var(--paper-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.legal-document section + section {
  margin-top: 3.25rem;
  border-top: 1px solid var(--paper-line);
  padding-top: 3.25rem;
}

.legal-document h2 {
  margin: 0 0 1.2rem;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.legal-document h3 {
  margin: 2rem 0 0.65rem;
  font-size: 1rem;
  letter-spacing: -0.015em;
}

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

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

.legal-document a {
  color: #007f75;
  font-weight: 750;
  text-underline-offset: 3px;
}

.legal-document ul,
.legal-document ol {
  padding-left: 1.35rem;
}

.legal-document li + li {
  margin-top: 0.55rem;
}

.notice {
  margin: 1.5rem 0;
  border-left: 4px solid #00a99a;
  border-radius: 0 14px 14px 0;
  background: #e5f7f3;
  padding: 1rem 1.15rem;
}

.notice p {
  margin: 0;
  color: #22443f;
}

.contact-card {
  border-radius: 18px;
  background: var(--paper-ink);
  color: var(--ink);
  padding: 1.25rem;
}

.contact-card p,
.contact-card a,
.contact-card strong {
  color: inherit;
}

.contact-card p {
  margin: 0.25rem 0;
}

.steps {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  min-height: 46px;
  padding: 0.35rem 0 1rem 3.5rem;
  counter-increment: steps;
}

.steps li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--paper-ink);
  color: var(--cyan);
  font-weight: 850;
  content: counter(steps, decimal-leading-zero);
}

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

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 2rem));
  min-height: 100px;
  margin: 0 auto;
  gap: 1rem;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a:hover {
  color: var(--cyan);
}

.not-found {
  display: grid;
  width: min(720px, calc(100% - 2rem));
  min-height: calc(100vh - 177px);
  margin: 0 auto;
  place-content: center;
  text-align: center;
}

.not-found p {
  color: var(--ink-muted);
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    min-height: auto;
    padding: 1rem 0;
  }

  .nav-links {
    display: grid;
    justify-items: end;
    gap: 0.25rem;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 4rem 0;
  }

  .signal-card {
    width: min(100%, 520px);
    margin: 0 auto;
  }

  .legal-shell {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

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

@media (max-width: 520px) {
  .brand span {
    max-width: 7.5rem;
    line-height: 1.05;
  }

  .hero h1,
  .legal-intro h1 {
    letter-spacing: -0.055em;
  }

  .toc ol {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    padding: 1.5rem 0;
  }
}

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

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