:root {
    --primary-color: #0d47a1;
    --secondary-color: #00acc1;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--secondary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0a3d8f;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 71, 161, 0.3);
}

.btn-info {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.btn-info:hover {
    background-color: #00929e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 172, 193, 0.3);
}

.btn-outline-light:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: white;
}

/* Spacing utilities */
.py-section {
    padding: 5rem 0;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    padding-top: 80px;
}

.hero-image-container {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Feature Cards */
.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    color: white;
}

/* Service Cards */
.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(13, 71, 161, 0.1);
    border-radius: 12px;
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 71, 161, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
}

/* Footer */
footer {
    margin-top: 5rem;
}

footer h5, footer h6 {
    color: white;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--secondary-color) !important;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .hero-section {
        min-height: auto;
        padding: 100px 0 50px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 24px;
        bottom: 20px;
        right: 20px;
    }
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Image filters */
.grayscale-hover {
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.grayscale-hover:hover {
    filter: grayscale(0%);
}

/* Text utilities */
.text-info {
    color: var(--secondary-color) !important;
}

.bg-info {
    background-color: var(--secondary-color) !important;
}

/* Print styles */
@media print {
    .navbar, footer, .whatsapp-float {
        display: none;
    }
}