:root {
  color-scheme: dark;
  --bg: #050811;
  --bg-soft: #0b1020;
  --panel: rgba(13, 20, 37, 0.78);
  --panel-strong: rgba(18, 27, 48, 0.92);
  --text: #f2f6fb;
  --muted: #aeb8c8;
  --subtle: #76839a;
  --cyan: #53e3ff;
  --violet: #a986ff;
  --line: rgba(118, 213, 255, 0.18);
  --line-violet: rgba(169, 134, 255, 0.22);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(83, 227, 255, 0.11), transparent 30rem),
    radial-gradient(circle at 86% 16%, rgba(169, 134, 255, 0.12), transparent 28rem),
    linear-gradient(180deg, #07101d 0%, #050811 54%, #04060d 100%);
  line-height: 1.65;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image: linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 75%);
}

a {
  color: var(--cyan);
  text-decoration-color: rgba(83, 227, 255, 0.44);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #8df0ff;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(83, 227, 255, 0.78);
  outline-offset: 4px;
}

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

.site-header {
  padding: 24px;
}

.nav-shell,
.section-shell,
.footer-shell {
  width: min(100% - 32px, 900px);
  margin: 0 auto;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--text);
  text-decoration: none;
}

.brand-logo {
  width: min(260px, 58vw);
  max-height: 72px;
  object-fit: contain;
}

.brand-logo + .brand-fallback {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.brand-logo[src=""],
.brand-logo:not([src]),
.brand-logo[hidden] {
  display: none;
}

.brand-logo[src=""] + .brand-fallback,
.brand-logo:not([src]) + .brand-fallback,
.brand-fallback.is-visible {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
  font-weight: 700;
  letter-spacing: 0;
}

.nav-link {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text);
}

.hero {
  padding: 76px 0 56px;
}

.hero-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.hero-mark img {
  max-width: 72px;
  max-height: 72px;
  object-fit: contain;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.5rem, 7vw, 5.6rem);
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

h3 {
  font-size: 1.18rem;
}

.lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: #dbe8f6;
  font-size: clamp(1.12rem, 2.4vw, 1.45rem);
}

.intro {
  max-width: 700px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.section-shell {
  padding: 40px 0;
}

.section-heading {
  margin-bottom: 18px;
}

.feature-card,
.policy-card,
.contact-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(83, 227, 255, 0.055), transparent 36%),
    linear-gradient(225deg, rgba(169, 134, 255, 0.06), transparent 42%),
    var(--panel);
  box-shadow: var(--shadow);
}

.feature-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 28px;
  padding: 28px;
}

.feature-card p {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--muted);
}

.status {
  color: #d7caff;
  font-weight: 650;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid rgba(83, 227, 255, 0.45);
  border-radius: var(--radius);
  color: var(--text);
  background: linear-gradient(135deg, rgba(83, 227, 255, 0.16), rgba(169, 134, 255, 0.15));
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  color: var(--text);
  border-color: rgba(141, 240, 255, 0.72);
  background: linear-gradient(135deg, rgba(83, 227, 255, 0.22), rgba(169, 134, 255, 0.2));
}

.contact-block {
  margin-top: 28px;
  padding: 28px;
}

.contact-block h2 {
  margin-bottom: 14px;
}

.policy {
  padding-top: 58px;
}

.policy-header {
  margin-bottom: 28px;
}

.policy-header .meta,
.notice {
  margin: 14px 0 0;
  color: var(--muted);
}

.notice {
  display: inline-block;
  padding: 10px 12px;
  border: 1px solid var(--line-violet);
  border-radius: var(--radius);
  background: rgba(169, 134, 255, 0.075);
  color: #e6ddff;
}

.policy-card {
  margin-top: 22px;
  padding: 30px;
}

.policy-card h2 {
  margin-bottom: 20px;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.policy-card h3 {
  margin: 18px 0 12px;
}

.policy-card p {
  margin: 0 0 12px;
  color: #d8e0ec;
}

.policy-card ul {
  margin: 0 0 18px;
  padding-left: 1.2rem;
  color: #d8e0ec;
}

.site-footer {
  padding: 56px 0 28px;
}

.footer-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding-top: 22px;
  color: var(--subtle);
  font-size: 0.94rem;
}

.footer-shell p {
  margin: 0;
}

.footer-shell a {
  color: var(--muted);
  text-decoration: none;
}

.footer-shell a:hover {
  color: var(--text);
}

@media (max-width: 720px) {
  .site-header {
    padding: 18px 0;
  }

  .nav-shell {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .hero {
    padding-top: 48px;
  }

  .feature-card {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .button {
    width: 100%;
  }

  .policy-card {
    padding: 22px;
  }
}