:root {
  color-scheme: dark;
  color: #e5e5e5;
  background: #060606;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: radial-gradient(circle at top left, rgba(255, 0, 0, 0.18), transparent 32%),
              radial-gradient(circle at bottom right, rgba(255, 0, 0, 0.16), transparent 28%),
              #000;
  line-height: 1.6;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 0, 0, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.logo {
  width: 52px;
  height: 52px;
}

.brand-title {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-tag {
  display: block;
  color: #ff4b4b;
  font-size: 0.95rem;
}

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

.site-nav a {
  color: #f5f5f5;
  text-decoration: none;
  font-weight: 500;
}

.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  padding: 48px 0;
}

.hero-copy h1 {
  margin: 0.6em 0 0.6em;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.04em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.8rem;
  color: #ff4b4b;
  margin-bottom: 16px;
}

.hero-copy p {
  max-width: 58ch;
  color: #c8c8c8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, background-color 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: #ff1e1e;
  color: #111;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #f5f5f5;
  border: 1px solid rgba(255, 0, 0, 0.18);
}

.hero-panel {
  display: grid;
  gap: 16px;
  min-width: 240px;
}

.panel-block {
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 0, 0, 0.14);
}

.panel-block span {
  display: block;
  color: #ff4b4b;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.panel-block strong {
  font-size: 1.5rem;
}

.content-block {
  padding: 32px 0;
  border-top: 1px solid rgba(255, 0, 0, 0.12);
}

.content-block h2,
.feature-card h3 {
  margin-top: 0;
  color: #fff;
}

.feature-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 32px 0;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 0, 0, 0.14);
  border-radius: 24px;
  padding: 24px;
}

.feature-card p {
  color: #ccc;
  margin: 0.75em 0 0;
}

.contact-block {
  padding-bottom: 56px;
}

.site-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 0, 0, 0.12);
  color: #777;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  .page-shell {
    padding: 16px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}