/* Black and White Modern Theme */
:root {
    --primary-dark: #000000;
    --primary-light: #333333;
    --accent-gray: #666666;
    --neutral-bg: #ffffff;
    --neutral-dark: #000000;
    --neutral-text: #333333;
    --whatsapp-green: #25D366;
    --whatsapp-dark: #128C7E;
    --gradient-primary: linear-gradient(135deg, #000000 0%, #444444 100%);
    --gradient-accent: linear-gradient(135deg, #222222 0%, #666666 100%);
}

* {
    --tw-ring-offset-shadow: 0 0 #0000;
    --tw-ring-shadow: 0 0 #0000;
    --tw-shadow: 0 0 #0000;
    --tw-shadow-colored: 0 0 #0000;
    box-sizing: border-box;
}

body {
    background: var(--neutral-bg);
    color: var(--neutral-dark);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Glass Morphism Navigation */
.glass-nav {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Gradient Text Utility */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Primary Button */
.btn-primary {
    background: var(--neutral-dark);
    color: #ffffff;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: none;
    cursor: pointer;
    border-radius: 9999px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #333333;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-whatsapp {
    background: var(--whatsapp-green);
    color: #ffffff;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
    border: none;
    cursor: pointer;
    border-radius: 9999px;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    background: var(--whatsapp-dark);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

/* Accordion/Accent Button */
.btn-accent {
    background: #ffffff;
    color: #000000;
    border: 2px solid #000000;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border-radius: 9999px;
}

.btn-accent:hover {
    background: #f4f4f4;
    transform: translateY(-2px);
}

/* Card Styling */
.service-card,
.product-card,
.testimonial-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover,
.product-card:hover,
.testimonial-card:hover {
    border-color: #000000;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Icon Badge */
.icon-badge {
    width: 64px;
    height: 64px;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    margin: 0 auto;
    transition: all 0.3s ease;
}

/* Modern Input */
.input-modern {
    background: #ffffff;
    border: 1px solid #d1d5db !important;
    color: #000000;
    transition: all 0.3s ease;
    border-radius: 0.5rem;
}

.input-modern:focus {
    border-color: #000000 !important;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

/* Navigation Links */
.nav-link {
    color: #4b5563;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #000000;
}

.nav-link.active {
    color: #000000;
    font-weight: 700;
}

/* Utility Gradients (replacing with B&W) */
.hero-gradient {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.bg-gradient-to-r.from-indigo-50.to-cyan-50 {
    background: linear-gradient(to right, #ffffff, #f9fafb);
}

.bg-gradient-to-b.from-slate-50.via-blue-50.to-slate-100 {
    background: #ffffff;
}

/* Custom Gradients to be B&W */
.from-indigo-900.to-cyan-600 {
    --tw-gradient-from: #000000;
    --tw-gradient-to: #4b5563;
}

.from-cyan-500.to-blue-600 {
    --tw-gradient-from: #000000;
    --tw-gradient-to: #333333;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}