:root {
  color-scheme: dark;
  --bg: #070809;
  --panel: rgba(18, 22, 26, 0.78);
  --panel-strong: rgba(22, 27, 32, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f5f7f8;
  --muted: #aab4bc;
  --subtle: #78838c;
  --teal: #66e3d1;
  --violet: #a99cff;
  --gold: #f2c879;
  --rose: #ff8fa3;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgba(102, 227, 209, 0.13), transparent 30rem),
    radial-gradient(circle at 86% 20%, rgba(242, 200, 121, 0.1), transparent 26rem),
    linear-gradient(145deg, #070809 0%, #0a1011 45%, #08090c 100%);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  content: "";
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.4) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(102, 227, 209, 0.28) 0 1px, transparent 1.6px);
  background-position: 0 0, 44px 72px;
  background-size: 92px 92px, 128px 128px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
  opacity: 0.34;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 4px;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.ambient::before,
.ambient::after {
  position: absolute;
  width: 62rem;
  height: 62rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  content: "";
  filter: blur(0.2px);
  opacity: 0.42;
}

.ambient::before {
  top: -34rem;
  right: -28rem;
}

.ambient::after {
  bottom: -42rem;
  left: -34rem;
}

.particle {
  position: absolute;
  display: block;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  box-shadow: 0 0 28px currentColor;
  opacity: 0.72;
}

.particle-a {
  top: 17%;
  left: 12%;
  color: var(--teal);
}

.particle-b {
  top: 31%;
  right: 18%;
  color: var(--gold);
}

.particle-c {
  top: 56%;
  left: 24%;
  color: var(--violet);
}

.particle-d {
  right: 10%;
  bottom: 28%;
  color: var(--rose);
}

.particle-e {
  right: 35%;
  bottom: 14%;
  color: var(--teal);
}

.particle-f {
  top: 72%;
  left: 7%;
  color: var(--gold);
}

.site-header,
.site-footer,
main {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.5rem;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #ffffff 0 0.12rem, transparent 0.14rem),
    conic-gradient(from 120deg, var(--teal), var(--violet), var(--gold), var(--rose), var(--teal));
  box-shadow: 0 0 28px rgba(102, 227, 209, 0.26);
}

.site-nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.site-nav a,
.site-footer a {
  color: var(--muted);
  font-size: 0.93rem;
  transition: color 160ms ease, border-color 160ms ease;
}

.site-nav a {
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.site-footer a:hover {
  color: var(--text);
  border-color: rgba(102, 227, 209, 0.55);
}

.hero {
  position: relative;
  display: grid;
  min-height: min(72vh, 680px);
  padding: 5rem 0 3rem;
  place-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(3.1rem, 12vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.6vw, 1.42rem);
}

.hero-visual {
  position: absolute;
  inset: 8% 0 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-visual::before {
  position: absolute;
  inset: 14% 4% 12%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: "";
  filter: blur(0.2px);
  transform: rotate(-9deg);
}

.hero-visual::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(76vw, 820px);
  aspect-ratio: 1;
  border: 1px solid rgba(102, 227, 209, 0.24);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%) rotate(18deg);
  box-shadow:
    inset 0 0 90px rgba(102, 227, 209, 0.08),
    0 0 90px rgba(169, 156, 255, 0.08);
}

.hero-visual span {
  position: absolute;
  left: 50%;
  width: min(70vw, 760px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(102, 227, 209, 0.75), rgba(242, 200, 121, 0.55), transparent);
  opacity: 0.75;
  transform-origin: left center;
}

.hero-visual span:nth-child(1) {
  top: 42%;
  transform: rotate(-18deg) translateX(-48%);
}

.hero-visual span:nth-child(2) {
  top: 53%;
  transform: rotate(7deg) translateX(-52%);
}

.hero-visual span:nth-child(3) {
  top: 62%;
  transform: rotate(22deg) translateX(-45%);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  padding: 0 0 5rem;
}

.feature-card {
  min-height: 132px;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.feature-card h2 {
  max-width: 14rem;
  margin: 1.45rem 0 0;
  font-size: 1rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.feature-dot {
  display: block;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  box-shadow: 0 0 22px currentColor;
}

.dot-teal {
  color: var(--teal);
  background: var(--teal);
}

.dot-violet {
  color: var(--violet);
  background: var(--violet);
}

.dot-gold {
  color: var(--gold);
  background: var(--gold);
}

.dot-rose {
  color: var(--rose);
  background: var(--rose);
}

.content-page {
  display: grid;
  min-height: 64vh;
  padding: 4.4rem 0 5rem;
  align-items: start;
}

.policy-content {
  max-width: 820px;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.2);
}

.policy-content h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(2.25rem, 8vw, 4.5rem);
  line-height: 1;
}

.policy-content h2 {
  margin: 2rem 0 0.7rem;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.policy-content p {
  color: var(--muted);
}

.policy-content a,
.text-link {
  color: var(--text);
  border-bottom: 1px solid rgba(102, 227, 209, 0.6);
}

.updated {
  color: var(--subtle);
  font-size: 0.95rem;
}

.clean-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 1.25rem;
}

.clean-list li::before {
  position: absolute;
  top: 0.7rem;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--teal);
  content: "";
  box-shadow: 0 0 16px rgba(102, 227, 209, 0.7);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  color: var(--subtle);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 64vh;
    padding-top: 4rem;
  }

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

@media (max-width: 560px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - 24px, var(--max));
  }

  .site-nav {
    gap: 0.6rem 0.85rem;
  }

  .hero {
    min-height: 62vh;
    padding: 3.2rem 0 2.4rem;
    place-items: center start;
  }

  .hero-copy {
    text-align: left;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.6rem);
  }

  .hero-visual::after {
    width: 112vw;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    padding-bottom: 3.5rem;
  }

  .feature-card {
    min-height: 104px;
  }

  .content-page {
    padding: 3rem 0 3.5rem;
  }

  .policy-content {
    padding: 1.25rem;
  }
}

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