/* Custom CSS for TechFlow Solutions */

/* Root Variables */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

/* Navigation Styles */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    background-attachment: fixed;
    position: relative;
    padding-top: 80px; /* Account for fixed navbar */
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

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

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

/* Service Cards */
.service-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 15px;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.service-card .card-body {
    padding: 2rem;
}

.service-card i {
    transition: transform 0.3s ease;
}

.service-card:hover i {
    transform: scale(1.1);
}

/* Buttons */
.btn {
    border-radius: 50px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
}

/* Background Gradients */
.bg-gradient-custom {
    background: var(--gradient-primary);
}

/* Cards and Content */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
}

/* Contact Form */
.contact-form {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

.contact-form .form-control {
    border-radius: 10px;
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: var(--dark-color) !important;
}

.social-links a {
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--warning-color) !important;
    transform: translateY(-2px);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 60px;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-6 {
        font-size: 2rem;
    }
    
    .hero-image {
        margin-top: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        text-align: center;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

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

.bg-glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    footer {
        display: none !important;
    }
    
    .hero-section {
        background: none !important;
        color: black !important;
    }
    
    .hero-section::before {
        display: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--dark-color);
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-section {
        background-attachment: scroll;
    }
}