/* ---------- Base & variables ---------- */
:root {
  --bg: #0a0e17;
  --bg-alt: #0f1420;
  --surface: #121826;
  --surface-border: #212a3b;
  --text: #e7ebf3;
  --text-dim: #9aa5b8;
  --accent: #3dd6c6;
  --accent-2: #4f8dff;
  --radius: 14px;
  --max-width: 1120px;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Space Grotesk', var(--font-body);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; color: var(--text-dim); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06121a;
  box-shadow: 0 8px 24px -8px rgba(61, 214, 198, 0.5);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(61, 214, 198, 0.6); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--surface-border);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 140px 0 120px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(61, 214, 198, 0.25), transparent 65%);
  pointer-events: none;
}

.hero-inner { position: relative; max-width: 760px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: 0.4em;
}

.hero-lead {
  font-size: 1.15rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* ---------- Card grid (services) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover { transform: translateY(-4px); border-color: var(--accent); }

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(61, 214, 198, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg { width: 22px; height: 22px; }

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

.card p { margin: 0; font-size: 0.95rem; }

/* ---------- Process ---------- */
.process { background: var(--bg-alt); }

.process-steps {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.process-steps li {
  border-top: 2px solid var(--surface-border);
  padding-top: 20px;
}

.step-number {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
}

.process-steps h3 { margin-top: 12px; font-size: 1.05rem; }

.process-steps p { font-size: 0.95rem; margin: 0; }

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-stats {
  display: grid;
  gap: 20px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Contact ---------- */
.contact { background: var(--bg-alt); text-align: center; }

.contact-inner { max-width: 760px; margin: 0 auto; }

.contact-lead { font-size: 1.05rem; }

.contact-details {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin: 32px 0 40px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 240px;
}

.contact-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.contact-value { font-weight: 600; font-size: 1.05rem; }

.contact-item.contact-item a { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--surface-border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo { font-size: 1.1rem; }

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-legal p { color: var(--text-dim); font-size: 0.85rem; }

.site-footer p { margin: 0; font-size: 0.9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  section { padding: 72px 0; }

  .main-nav {
    position: fixed;
    inset: 72px 16px auto 16px;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle { display: flex; }

  .nav-cta { display: none; }
}