/* Custom CSS for TS4W Group Website */

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #10b981;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Custom Bootstrap overrides */
.bg-primary {
    background-color: var(--primary-color) !important;
}

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

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

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

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

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #60a5fa !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-logo {
    max-width: 370px;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

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

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

/* Product Cards */
.product-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.features-list .feature-item {
    font-size: 0.95rem;
    color: #6b7280;
}

.features-list .bi-check-circle-fill {
    font-size: 1.1rem;
}

.highlight-text {
    border-radius: 10px;
    font-size: 1.1rem;
}

/* Contact Section */
.contact-item i {
    color: rgba(255,255,255,0.8);
}

.contact-item h5 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Section Padding */
section {
    padding-top: 100px;
}

#home {
    padding-top: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .hero-logo {
        max-width: 200px;
        margin-top: 2rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .feature-card,
    .product-card {
        margin-bottom: 2rem;
    }
}

/* Loading Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Button Hover Effects */
.btn {
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}