:root {
  --bg: #050607;
  --panel: #11151a;
  --panel-soft: #171c22;
  --text: #f4f7fb;
  --muted: #a8b2bf;
  --line: #2a323c;
  --accent: #d8e7ff;
  --accent-strong: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(105, 130, 170, 0.22), transparent 34rem),
    var(--bg);
}

.page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 64vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 44px 0 36px;
}

.brand-mark {
  width: 86px;
  height: 86px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: grid;
  place-items: center;
  margin: 0 auto 24px;
  font-size: 42px;
  color: var(--accent-strong);
  box-shadow: 0 0 60px rgba(216, 231, 255, 0.18);
}

.hero-logo {
  width: min(340px, 64vw);
  height: auto;
  display: block;
  margin: 0 auto 0;
  filter: drop-shadow(0 0 24px rgba(216, 231, 255, 0.10));
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.04em;
}

h3 {
  margin: 0 0 10px;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy {
  max-width: 760px;
  margin: 18px auto 0;
  font-size: 1.15rem;
}

.hero-actions,
.button-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
}

.button.primary {
  background: var(--text);
  color: var(--bg);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--panel-soft));
  border-radius: 28px;
  padding: clamp(28px, 5vw, 56px);
  margin: 28px 0;
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.28);
}

.card.muted {
  background: rgba(255, 255, 255, 0.04);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.feature-grid > div {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.035);
}

footer {
  text-align: center;
  padding: 42px 0 56px;
  color: var(--muted);
}

@media (max-width: 780px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }
}