/* Custom CSS for TeeTech Website */
:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #fbbf24;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background-light: #f9fafb;
    --white: #ffffff;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Font Family */
.font-inter {
    font-family: 'Inter', sans-serif;
}

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

/* Custom Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

/* Utility Classes */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeIn {
    animation: fadeIn 0.8s ease-out;
}

.animate-bounce-slow {
    animation: bounce 2s infinite;
}

/* Custom Components */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    padding: 0.75rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Gradient Backgrounds */
.gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #ec4899);
}

/* Navigation Enhancements */
.nav-item {
    position: relative;
    transition: color 0.3s ease;
}

.nav-item:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

/* Form Enhancements */
.form-input {
    transition: all 0.3s ease;
    border: 2px solid #e5e7eb;
}

.form-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Image */
.responsive-img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

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

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mobile Menu Animation */
.mobile-menu {
    transition: all 0.3s ease;
    transform: translateY(-100%);
    opacity: 0;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

/* Parallax Effect */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

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

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff10"><polygon points="1000,100 0,100 0,0"/></svg>');
    background-size: cover;
}

/* Statistics Counter Animation */
.counter {
    font-size: 3rem;
    font-weight: bold;
    color: white;
}

/* Project Filter Buttons */
.filter-btn {
    transition: all 0.3s ease;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    border: 2px solid transparent;
}

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

.filter-btn:hover:not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -1rem;
    left: 2rem;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Footer Styling */
footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-bg h1 {
        font-size: 2.5rem;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .counter {
        font-size: 2.5rem;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Dark Mode Support (if implemented) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here */
}