:root {
  color-scheme: dark;
  --ink: #edf3fb;
  --muted: #9ba9bd;
  --primary: #38e8c6;
  --blue: #65b8ff;
  --violet: #9d85ff;
  --surface: rgba(16, 24, 37, 0.82);
  --surface-strong: #0d1521;
  --line: rgba(194, 211, 255, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #070b12;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 11%, rgba(157, 133, 255, 0.15), transparent 31rem),
    radial-gradient(circle at 12% 35%, rgba(56, 232, 198, 0.09), transparent 27rem),
    linear-gradient(180deg, #070b12, #0a111c 50%, #06090f);
  font-family: Inter, Aptos, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.75;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.3;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(black, transparent 88%);
}

::selection {
  color: #03110f;
  background: var(--primary);
}

a {
  color: var(--primary);
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 1000;
  width: min(1050px, calc(100% - 28px));
  margin: 14px auto 0;
  background: rgba(8, 13, 22, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 14px 45px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px) saturate(145%);
}

.nav {
  min-height: 58px;
  margin: auto;
  padding: 7px 10px 7px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-brand {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-brand::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 10px;
  display: inline-block;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 13px var(--primary);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.nav-links a {
  min-height: 40px;
  padding: 11px 16px;
  display: inline-flex;
  align-items: center;
  color: #b5c0d0;
  border-radius: 999px;
  font: 600 0.68rem/1 ui-monospace, "Cascadia Code", monospace;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(157, 133, 255, 0.17);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  width: min(1240px, calc(100% - 32px));
  min-height: 620px;
  margin: -74px auto 0;
  padding: 150px clamp(30px, 8vw, 110px) 88px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 45%, rgba(101, 184, 255, 0.19), transparent 22rem),
    radial-gradient(circle at 82% 46%, rgba(157, 133, 255, 0.15), transparent 34rem),
    linear-gradient(125deg, rgba(6, 10, 17, 0.96), rgba(11, 20, 35, 0.9));
  border: 1px solid var(--line);
  border-radius: 0 0 34px 34px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  right: clamp(-130px, 2vw, 30px);
  top: 50%;
  width: min(48vw, 560px);
  aspect-ratio: 1;
  border: 1px solid rgba(151, 174, 255, 0.18);
  border-radius: 50%;
  transform: translateY(-50%) rotateX(64deg) rotateZ(18deg);
  animation: content-orbit 18s linear infinite;
}

.hero::after {
  right: clamp(-50px, 9vw, 130px);
  width: min(34vw, 390px);
  border-color: rgba(56, 232, 198, 0.18);
  transform: translateY(-50%) rotateY(64deg) rotateZ(-18deg);
  animation-direction: reverse;
  animation-duration: 13s;
}

.hero-inner,
.content,
.footer-inner {
  width: 100%;
  max-width: 980px;
  margin: auto;
}

.hero-inner {
  position: relative;
  z-index: 2;
  margin: 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--primary);
  font: 700 0.7rem/1 ui-monospace, "Cascadia Code", monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  animation: content-enter 700ms ease both;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  margin-right: 12px;
  display: inline-block;
  vertical-align: middle;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}

h1 {
  max-width: 820px;
  margin: 0 0 24px;
  color: #fff;
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 320;
  line-height: 0.98;
  letter-spacing: -0.065em;
  text-wrap: balance;
  animation: content-enter 850ms 80ms ease both;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: #afbdd0;
  font-size: clamp(1rem, 2vw, 1.22rem);
  animation: content-enter 850ms 180ms ease both;
}

.content {
  position: relative;
  margin-top: 28px;
  margin-bottom: 28px;
  padding: clamp(34px, 6vw, 76px);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.052), rgba(255, 255, 255, 0.018)),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.content > h2 {
  margin: 3.1rem 0 0.85rem;
  padding-top: 2rem;
  color: #f5f8fc;
  border-top: 1px solid var(--line);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-weight: 430;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.content > h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

h3 {
  margin: 1.8rem 0 0.45rem;
  color: #fff;
}

p,
li {
  max-width: 75ch;
  color: #bac6d6;
}

.notice {
  margin: 28px 0;
  padding: 20px 22px;
  color: #d8c9a6;
  background: rgba(255, 209, 102, 0.065);
  border: 1px solid rgba(255, 209, 102, 0.17);
  border-radius: 17px;
}

.notice strong {
  color: #ffe09a;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 34px 0 50px;
}

.card {
  position: relative;
  min-height: 220px;
  padding: 28px;
  overflow: hidden;
  color: inherit;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.062), rgba(255, 255, 255, 0.018));
  border: 1px solid var(--line);
  border-radius: 22px;
  text-decoration: none;
  transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.card::before {
  content: "↗";
  position: absolute;
  right: 22px;
  bottom: 18px;
  color: var(--primary);
  font-size: 1.3rem;
  transition: transform 260ms ease;
}

.card::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  top: -100px;
  right: -90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(101, 184, 255, 0.19), transparent 70%);
  transition: transform 500ms ease;
}

.card h2,
.card h3 {
  max-width: 85%;
  margin-top: 0;
  color: #fff;
  font-weight: 450;
  letter-spacing: -0.03em;
}

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

.card:hover {
  z-index: 2;
  border-color: rgba(56, 232, 198, 0.38);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.24), 0 0 30px rgba(56, 232, 198, 0.06);
  transform: translateY(-8px) rotateX(2deg);
}

.card:hover::before {
  transform: translate(4px, -4px);
}

.card:hover::after {
  transform: scale(1.45);
}

.cta {
  position: relative;
  margin-top: 48px;
  padding: clamp(28px, 5vw, 48px);
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 90% 20%, rgba(56, 232, 198, 0.18), transparent 20rem),
    linear-gradient(120deg, #111a29, #11192c);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.cta h2 {
  margin-top: 0;
  color: #fff;
  font-size: clamp(1.7rem, 4vw, 2.7rem);
}

.cta a {
  color: var(--primary);
  font-weight: 800;
}

.site-footer {
  margin-top: 70px;
  padding: 34px 20px;
  color: #8e9cb0;
  background: #05080d;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font: 500 0.73rem/1.5 ui-monospace, "Cascadia Code", monospace;
  letter-spacing: 0.04em;
}

.site-footer a {
  color: var(--primary);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

@keyframes content-enter {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes content-orbit {
  to {
    transform: translateY(-50%) rotateX(64deg) rotateZ(378deg);
  }
}

@media (max-width: 680px) {
  .site-header {
    top: 8px;
    border-radius: 22px;
  }

  .nav {
    padding: 13px 15px;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    flex: 1;
    justify-content: center;
    padding-inline: 9px;
  }

  .hero {
    width: calc(100% - 18px);
    min-height: 580px;
    margin-top: -118px;
    padding: 190px 24px 58px;
    border-radius: 0 0 24px 24px;
  }

  .hero::before,
  .hero::after {
    top: 42%;
    right: -45%;
    width: 100vw;
  }

  h1 {
    font-size: clamp(2.7rem, 14vw, 4.5rem);
  }

  .content {
    width: calc(100% - 18px);
    padding: 30px 19px;
    border-radius: 22px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 190px;
  }
}

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

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