:root {
  color-scheme: dark;
  --bg: #080a0f;
  --text: #f8fafc;
  --muted: rgba(226, 232, 240, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --panel: rgba(255, 255, 255, 0.06);
  --accent: #8be9f4;
  --accent-2: #f7c948;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "SF Pro Text", Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 max(22px, calc((100vw - 1180px) / 2));
  background: rgba(8, 10, 15, 0.68);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
}

.brand img {
  width: 28px;
  height: 28px;
}

.nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover {
  color: white;
}

.hero {
  position: relative;
  min-height: 76vh;
  display: grid;
  align-items: end;
  padding: 132px max(22px, calc((100vw - 1180px) / 2)) 56px;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 10, 15, 0.96) 0%, rgba(8, 10, 15, 0.72) 42%, rgba(8, 10, 15, 0.18) 100%),
    linear-gradient(0deg, rgba(8, 10, 15, 0.98) 0%, rgba(8, 10, 15, 0.18) 52%, rgba(8, 10, 15, 0.72) 100%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

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

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 820px;
  font-size: 78px;
  line-height: 1.02;
}

.hero-sub {
  max-width: 560px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 900;
}

.button.primary {
  background: white;
  color: #020617;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.start-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  padding: 28px max(22px, calc((100vw - 1180px) / 2)) 72px;
}

.option-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.option-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.option-card div {
  padding: 20px;
}

.option-card h2 {
  font-size: 22px;
}

.option-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

@media (max-width: 980px) {
  .start-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    height: auto;
    min-height: 68px;
    padding-block: 16px;
  }

  .nav {
    max-width: 72%;
    gap: 10px 14px;
  }

  .hero {
    min-height: 74vh;
    padding-top: 132px;
  }

}

@media (max-width: 560px) {
  .topbar,
  .hero,
  .start-options {
    padding-inline: 16px;
  }

  .brand span {
    display: none;
  }

  h1 {
    font-size: 42px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .start-options {
    grid-template-columns: 1fr;
  }
}