:root {
  color-scheme: dark;
  --bg: #080b0d;
  --panel: #11171a;
  --panel-soft: #172024;
  --text: #edf7f5;
  --muted: #a7b8b4;
  --line: rgba(237, 247, 245, 0.14);
  --cyan: #48e3ff;
  --green: #9dff5d;
  --amber: #ffbf5a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(8, 11, 13, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

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

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

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(72, 227, 255, 0.5);
  background: #0e191c;
  color: var(--green);
  font-size: 0.78rem;
}

.nav {
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  min-height: calc(100vh - 77px);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px clamp(20px, 5vw, 72px);
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(4rem, 15vw, 9rem);
  line-height: 0.86;
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
  line-height: 1.2;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--line);
  font-weight: 800;
}

.button.primary {
  background: var(--green);
  border-color: var(--green);
  color: #071007;
}

.button.secondary {
  background: rgba(237, 247, 245, 0.04);
  color: var(--text);
}

.hero-media {
  position: relative;
  min-height: 440px;
  overflow: hidden;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, var(--bg), rgba(8, 11, 13, 0.15) 42%, rgba(8, 11, 13, 0.4));
  pointer-events: none;
}

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

.section {
  padding: 80px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: end;
}

.intro > p,
.contact p,
.feature p {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.feature {
  min-height: 230px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.feature span {
  display: inline-block;
  margin-bottom: 48px;
  color: var(--amber);
  font-weight: 800;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: var(--panel-soft);
}

.contact p {
  max-width: 620px;
  margin-bottom: 0;
}

@media (max-width: 820px) {
  .site-header,
  .contact {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: 0;
  }

  .hero-copy {
    padding-top: 56px;
    padding-bottom: 44px;
  }

  .hero-media {
    min-height: 320px;
    order: -1;
  }

  .hero-media::after {
    background: linear-gradient(180deg, rgba(8, 11, 13, 0.05), var(--bg));
  }

  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }
}

@media (max-width: 520px) {
  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .button {
    width: 100%;
  }

  .feature {
    min-height: 190px;
  }
}