:root {
  color-scheme: dark;
  --ink: #f8f7ff;
  --muted: #aaa8c2;
  --line: rgba(255, 255, 255, 0.1);
  --panel: rgba(22, 20, 52, 0.78);
  --pink: #e740c1;
  --purple: #9748ff;
  --blue: #397cff;
}

* { box-sizing: border-box; }

html { background: #070720; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 14%, rgba(151, 72, 255, 0.28), transparent 34rem),
    radial-gradient(circle at 88% 72%, rgba(57, 124, 255, 0.2), transparent 30rem),
    linear-gradient(145deg, #070720 0%, #0c0b2e 52%, #120a35 100%);
}

a { color: inherit; }

.shell {
  width: min(1100px, calc(100% - 40px));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 21px;
  font-weight: 760;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 13px;
}

nav { display: flex; gap: 10px; }

nav a, .button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 17px;
  text-decoration: none;
  font-weight: 650;
}

nav a:hover, .button:hover { background: rgba(255,255,255,.08); }

.hero {
  padding: 100px 0 76px;
  text-align: center;
}

.eyebrow {
  color: #bf9cff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .19em;
}

h1 {
  max-width: 850px;
  margin: 20px auto;
  font-size: clamp(45px, 8vw, 82px);
  line-height: .98;
  letter-spacing: -.055em;
}

.hero p, .intro p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.primary {
  border: 0;
  background: linear-gradient(105deg, var(--pink), var(--purple), var(--blue));
  box-shadow: 0 18px 50px rgba(151, 72, 255, .3);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding-bottom: 92px;
}

.card, .content {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 28px 80px rgba(0,0,0,.25);
  backdrop-filter: blur(18px);
}

.card {
  padding: 34px;
  text-decoration: none;
}

.card span {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 35px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  font-size: 24px;
  font-weight: 800;
}

.card h2, .content h2 { font-size: 27px; letter-spacing: -.025em; }
.card p, .content p, .content li { color: var(--muted); line-height: 1.7; }

.intro { padding: 65px 0 46px; }
.intro h1 { margin-left: 0; font-size: clamp(42px, 7vw, 70px); text-align: left; }
.intro p { margin-left: 0; }

.content {
  padding: clamp(25px, 5vw, 58px);
  margin-bottom: 80px;
}

.content section + section {
  border-top: 1px solid var(--line);
  margin-top: 34px;
  padding-top: 20px;
}

details {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}

details:first-child { border-top: 0; }
summary { cursor: pointer; font-size: 19px; font-weight: 720; }

.contact {
  margin-top: 35px;
  padding: 28px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(231,64,193,.16), rgba(57,124,255,.15));
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  header { align-items: flex-start; padding-top: 22px; }
  nav { flex-direction: column; align-items: flex-end; }
  nav a { padding: 8px 12px; font-size: 13px; }
  .hero { padding-top: 70px; }
  .grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}
