:root {
  --bg: #07090d;
  --panel: #111722;
  --panel-2: #171f2b;
  --text: #f5f7fa;
  --muted: #a9b2c3;
  --copper: #c77a32;
  --copper-light: #f0a45b;
  --border: rgba(255,255,255,0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 7%;
  background: rgba(7, 9, 13, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--copper-light);
}

.logo span {
  color: var(--text);
  margin-left: 8px;
  font-weight: 600;
}

nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--copper-light);
}

.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  place-items: center;
  padding: 120px 7% 80px;
  overflow: hidden;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 25%, rgba(199,122,50,0.28), transparent 30%),
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  opacity: 0.9;
}

.grid-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 0%, #07090d 72%);
}

.hero-content {
  position: relative;
  max-width: 980px;
  text-align: center;
}

.eyebrow,
.section-label {
  color: var(--copper-light);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 13px;
  font-weight: 700;
}

h1 {
  font-size: clamp(46px, 7vw, 92px);
  line-height: 0.98;
  margin: 22px 0;
}

.hero-text {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.6;
}

.hero-buttons {
  margin-top: 38px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 24px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--border);
}

.btn.primary {
  background: linear-gradient(135deg, var(--copper), var(--copper-light));
  color: #111;
}

.btn.secondary {
  background: rgba(255,255,255,0.05);
}

.section {
  padding: 100px 7%;
}

.section h2 {
  font-size: clamp(32px, 5vw, 58px);
  max-width: 900px;
  margin: 14px 0 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card,
.feature-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
}

.card h3,
.feature-card h3 {
  color: var(--copper-light);
  margin-top: 0;
}

.card p,
.feature-card p,
.contact p {
  color: var(--muted);
  line-height: 1.7;
}

.dark-panel {
  background:
    radial-gradient(circle at 80% 10%, rgba(199,122,50,0.2), transparent 30%),
    #0b0f16;
}

.solution-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.solution-list span {
  padding: 13px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,0.045);
}

.contact a {
  color: var(--copper-light);
}

footer {
  padding: 34px 7%;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    flex-direction: column;
    gap: 16px;
  }

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

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}