/* Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d0f12;
  --surface:  #161a20;
  --border:   #232830;
  --accent:   #4a9eff;
  --accent2:  #7c5cfc;
  --text:     #e2e8f0;
  --muted:    #8896aa;
  --radius:   8px;
  --max-w:    1100px;
}

html { font-size: 16px; scroll-behavior: smooth; }

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* Hero */
.hero {
  padding: 6rem 0 5rem;
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(74,158,255,0.12) 0%, transparent 70%);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto;
}

/* Services */
.services {
  padding: 5rem 0;
}

.services h2 {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--text);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
  line-height: 1;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Contact */
.contact {
  padding: 5rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.contact p {
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s, transform 0.2s;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Footer */
.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Mobile */
@media (max-width: 600px) {
  .hero { padding: 4rem 0 3rem; }
  .services, .contact { padding: 3rem 0; }
}