/* Root Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-tech: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Base Styles */
html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

/* Navigation Styles */
.custom-navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.custom-navbar .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white) !important;
    text-decoration: none;
}

.custom-navbar .navbar-brand:hover {
    transform: translateY(-2px);
    transition: transform 0.3s ease;
}

.custom-navbar .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.custom-navbar .nav-link:hover {
    color: var(--white) !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.custom-navbar .btn-primary {
    background: var(--gradient-tech);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

/* Main Content */
.main-content {
    margin-top: 80px; /* Account for fixed navbar */
    min-height: calc(100vh - 80px);
}

/* Button Styles */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient-tech);
    border: none;
    color: var(--white);
    box-shadow: var(--shadow);
}

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

/* Card Styles */
.card {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card-body {
    padding: 2rem;
}

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

.section-dark {
    background: var(--dark-bg);
    color: var(--white);
}

.section-light {
    background: var(--light-bg);
}

/* Hero Section */
.hero-section {
    background: var(--dark-bg);
    color: var(--white);
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Footer Styles */
.footer-section {
    background: var(--darker-bg);
    color: var(--white);
    padding: 4rem 0 2rem;
    margin-top: auto;
}

.footer-content h5,
.footer-content h6 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 3rem 0 2rem;
}

.copyright {
    font-size: 0.9rem;
}

.footer-bottom-links a {
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: var(--primary-color) !important;
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

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

.bg-gradient-tech {
    background: var(--gradient-tech) !important;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Additional Component Styles */

/* Service Category Cards */
.service-category-card {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
    margin-bottom: 2rem;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.service-icon i {
    font-size: 2rem;
}

.service-item {
    padding: 1rem;
    border-radius: 0.5rem;
    background: rgba(37, 99, 235, 0.05);
    transition: all 0.3s ease;
}

.service-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

/* Service Preview Cards */
.service-preview-card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: var(--shadow);
}

.service-preview-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-preview-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-preview-icon i {
    font-size: 1.5rem;
}

/* About Page Styles */
.about-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-icon i {
    font-size: 2.5rem;
}

.value-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon i {
    font-size: 1.5rem;
}

/* Contact Page Styles */
.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon i {
    font-size: 1.2rem;
}

.contact-info-item {
    padding: 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: rgba(37, 99, 235, 0.05);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 1.2rem;
}

/* Feature Icons for Home Page */
.feature-icon-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon-small i {
    font-size: 1rem;
}

/* Hero Section Enhancements */
.min-vh-75 {
    min-height: 75vh;
}

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

.hero-floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

.floating-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

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

/* Form Enhancements */
.form-floating > .form-select {
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

.form-floating > .form-select ~ label {
    opacity: 0.65;
}

.form-floating > .form-select:focus ~ label,
.form-floating > .form-select:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent !important;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .custom-navbar .navbar-brand {
        font-size: 1.25rem;
    }
    
    .footer-section {
        padding: 3rem 0 1.5rem;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
        margin-top: 1rem;
    }
    
    .hero-floating-elements {
        display: none;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .about-icon {
        width: 80px;
        height: 80px;
    }
    
    .about-icon i {
        font-size: 2rem;
    }
    
    .contact-info-item {
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .feature-item {
        text-align: center;
    }
    
    .feature-icon-small {
        margin: 0 auto 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Focus States for Accessibility */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--primary-color);
}

/* Form Styles */
.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--text-secondary);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

.form-control {
    border-radius: 0.5rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}