:root {
  --brand-primary: #0f172a;
  --brand-accent: #0ea5e9;
  --brand-accent-soft: #e0f2fe;
  --brand-dark: #1e293b;
  --brand-dark-2: #334155;
  --brand-soft: #f1f5f9;
  --brand-border: #e2e8f0;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--surface);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--brand-soft);
}

::-webkit-scrollbar-thumb {
  background: var(--brand-accent);
  border: 3px solid var(--brand-soft);
  border-radius: 10px;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-blur {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.8);
}

/* Modern Cards */
.card-hover {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--brand-border);
  background: var(--surface);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--brand-accent);
}

/* Buttons */
.btn-primary {
  background: var(--brand-primary);
  color: white;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px 0 rgba(15, 23, 42, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.4);
  background: var(--brand-dark);
}

.btn-accent {
  background: var(--brand-accent);
  color: white;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
  filter: brightness(1.1);
}

/* Inputs */
.contact-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--brand-border);
  border-radius: 12px;
  outline: none;
  transition: all 0.3s;
  background: var(--surface-muted);
}

.contact-input:focus {
  border-color: var(--brand-accent);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15);
}

/* Float Animation */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 50;
  background: #22c55e;
  color: #fff;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.4);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-float:hover {
  transform: scale(1.15) rotate(10deg);
  box-shadow: 0 15px 30px rgba(34, 197, 94, 0.5);
}

/* Gradient Backgrounds */
.bg-gradient-mesh {
  background-color: #f8fafc;
  background-image: 
    radial-gradient(at 0% 0%, hsla(200, 100%, 95%, 1) 0, transparent 50%), 
    radial-gradient(at 100% 0%, hsla(190, 100%, 95%, 1) 0, transparent 50%);
}

@media (max-width: 767px) {
  .whatsapp-float {
    right: 20px;
    bottom: 20px;
    width: 54px;
    height: 54px;
  }
}