@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #0a0a0a;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Fade-in animation ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ── Gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, #0066ff 0%, #6c3de8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glass card ── */
.glass-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.5);
}

/* ── Nav ── */
.nav-link {
  position: relative;
  color: #374151;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #0066ff;
  transition: width 0.25s ease;
}
.nav-link:hover { color: #0066ff; }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: #0066ff; }
.nav-link.active::after { width: 100%; }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #0066ff;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: #0052cc;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,102,255,0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: #0a0a0a;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  border: 1.5px solid #e5e7eb;
  transition: border-color 0.2s, transform 0.15s, background 0.2s;
  cursor: pointer;
}
.btn-secondary:hover {
  border-color: #0066ff;
  color: #0066ff;
  background: rgba(0,102,255,0.04);
  transform: translateY(-1px);
}

/* ── Cards ── */
.service-card {
  border: 1px solid #f0f0f0;
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  background: #fff;
}
.service-card:hover {
  border-color: #0066ff;
  box-shadow: 0 16px 48px rgba(0,102,255,0.08);
  transform: translateY(-4px);
}

/* ── Section spacing ── */
.section { padding: 7rem 0; }
.section-sm { padding: 4rem 0; }

/* ── Divider ── */
.divider { border: none; border-top: 1px solid #f0f0f0; }

/* ── Tag / badge ── */
.tag {
  display: inline-block;
  background: rgba(0,102,255,0.08);
  color: #0066ff;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

/* ── Hero gradient bg ── */
.hero-bg {
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,102,255,0.1) 0%, transparent 70%);
}

/* ── Step number ── */
.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #0066ff, #6c3de8);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── Mobile menu ── */
#mobile-menu {
  display: none;
}
#mobile-menu.open {
  display: block;
}

/* ── Form inputs ── */
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: #0a0a0a;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fff;
}
.form-input:focus {
  border-color: #0066ff;
  box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}
.form-input::placeholder { color: #9ca3af; }

/* ── Footer ── */
footer a {
  color: #6b7280;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}
footer a:hover { color: #0066ff; }

/* ── Stat number ── */
.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #0066ff, #6c3de8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Icon circle ── */
.icon-circle {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: rgba(0,102,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: #0066ff;
}

/* ── Blog card ── */
.blog-card {
  border: 1px solid #f0f0f0;
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
  background: #fff;
  text-decoration: none;
  color: inherit;
  display: block;
}
.blog-card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

/* ── Prose ── */
.prose h2 { font-size: 1.6rem; font-weight: 700; margin: 2.5rem 0 1rem; color: #0a0a0a; }
.prose h3 { font-size: 1.2rem; font-weight: 600; margin: 2rem 0 0.75rem; color: #0a0a0a; }
.prose p { color: #374151; line-height: 1.8; margin-bottom: 1.25rem; }
.prose ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1.25rem; color: #374151; line-height: 1.8; }
.prose ul li { margin-bottom: 0.4rem; }
.prose strong { color: #0a0a0a; font-weight: 600; }

/* ── Responsive container ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .stat-number { font-size: 2.25rem; }
}