:root {
  color-scheme: dark;
  --bg: #030711;
  --panel: rgba(10, 24, 42, 0.86);
  --line: #294b71;
  --text: #e7f2ff;
  --muted: #a8bfda;
  --blue: #35baff;
  --red: #ff425f;
  --gold: #ffc456;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 18% 18%, rgba(0, 151, 255, 0.18), transparent 30%),
    radial-gradient(circle at 82% 34%, rgba(255, 36, 70, 0.14), transparent 32%),
    linear-gradient(145deg, #081627, var(--bg) 62%);
}

a {
  color: #83ccff;
}

.site-nav,
.page,
.site-footer {
  width: min(1080px, calc(100% - 36px));
  margin-inline: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 22px;
}

.brand,
.language-link {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.language-link {
  color: var(--muted);
  font-size: 13px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 390px);
  align-items: center;
  gap: clamp(36px, 7vw, 88px);
  min-height: 610px;
  padding-block: 52px 76px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.14;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  letter-spacing: -0.045em;
}

h1 span {
  display: block;
  color: var(--gold);
  font-size: 0.46em;
  letter-spacing: 0.08em;
  margin-top: 10px;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: #c8d9ec;
  font-size: clamp(18px, 2vw, 22px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 22px;
  border: 1px solid #3b78ad;
  border-radius: 11px;
  color: #fff;
  font-weight: 750;
  text-decoration: none;
  background: linear-gradient(180deg, #2775b7, #185184);
  box-shadow: 0 12px 28px rgba(0, 106, 200, 0.2);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(13, 32, 54, 0.76);
  box-shadow: none;
}

.hero-art {
  position: relative;
  aspect-ratio: 1;
}

.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(79, 158, 224, 0.2);
  border-radius: 50%;
}

.hero-art::after {
  inset: 21%;
  border-color: rgba(255, 66, 95, 0.2);
}

.hero-art img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 24%;
  object-fit: cover;
  box-shadow: -24px 0 70px rgba(0, 157, 255, 0.2), 24px 0 70px rgba(255, 35, 68, 0.18);
}

.content-section {
  padding-block: 34px 68px;
}

.content-section > h2 {
  max-width: 740px;
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 44px);
}

.section-intro {
  max-width: 760px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.faq {
  max-width: 820px;
}

.faq details {
  margin: 12px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 22, 38, 0.78);
}

.faq summary {
  cursor: pointer;
  font-weight: 750;
}

.faq p {
  margin: 12px 0 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding-block: 28px 46px;
  border-top: 1px solid rgba(57, 99, 141, 0.45);
  color: var(--muted);
  font-size: 14px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 36px 58px;
  }

  .hero-copy {
    order: 2;
  }

  .hero-art {
    width: min(68vw, 310px);
    margin-inline: auto;
  }

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