:root {
  --bg: #070d1a;
  --bg-soft: #0b1428;
  --panel: #101b31;
  --text: #e7f1ff;
  --muted: #9bb0cc;
  --accent: #00d3ff;
  --accent-soft: rgba(0, 211, 255, 0.15);
  --border: rgba(155, 176, 204, 0.2);
  --max-width: 1120px;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top right, rgba(0, 211, 255, 0.08), transparent 45%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(100% - 3rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 13, 26, 0.75);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand .accent {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.hero {
  padding: 6rem 0 4rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.1rem;
}

.cta-row {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: linear-gradient(95deg, #00b8f0, #00d3ff);
  color: #041224;
  box-shadow: 0 8px 30px rgba(0, 211, 255, 0.25);
}

.button.secondary {
  border-color: var(--border);
  color: var(--text);
}

.button:hover {
  transform: translateY(-1px);
}

.section {
  padding: 4rem 0;
}

.section h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.section-intro {
  color: var(--muted);
  max-width: 760px;
}

.grid {
  display: grid;
  gap: 1.2rem;
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: linear-gradient(155deg, rgba(16, 27, 49, 0.95), rgba(10, 20, 38, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p,
.card li {
  color: var(--muted);
}

.metric {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.timeline {
  border-left: 2px solid var(--accent-soft);
  padding-left: 1.2rem;
}

.timeline-item {
  margin-bottom: 1.5rem;
}

.timeline-item strong {
  color: var(--accent);
}

.blog-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.contact-list li {
  margin-bottom: 0.45rem;
  color: var(--muted);
}

.site-footer {
  padding: 2.2rem 0 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .grid.cols-3,
  .grid.cols-2 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
}