:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #131b2f;
  --panel-strong: #1c2943;
  --text: #f7f8fb;
  --muted: #b9c2d3;
  --line: #2c3a58;
  --accent: #ffd166;
  --accent-2: #45d6b5;
  --danger: #ff6b7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(69, 214, 181, 0.16), transparent 24rem),
    linear-gradient(180deg, #0b1020 0%, #11182a 54%, #0b1020 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 32, 0.86);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
}

nav a:hover,
nav a:focus {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 28rem);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: center;
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 5rem) clamp(1rem, 4vw, 4rem);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 4.75rem);
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-2);
  font-weight: 800;
  text-transform: uppercase;
}

.hero-shot {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1.25rem 4rem rgba(0, 0, 0, 0.38);
  background: var(--panel);
}

.section,
.content {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 4rem);
}

.content {
  max-width: 54rem;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.6rem;
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.feature-grid article {
  min-height: 11rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(19, 27, 47, 0.86);
}

.feature-grid p,
.content p,
.content li,
.section p {
  color: var(--muted);
}

.site-footer {
  margin-top: 3rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero-shot {
    max-width: 22rem;
    margin: 0 auto;
  }

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