* Root Variables */
:root {
    --primary-color: #ff6b35;
    --secondary-color: #2c3e50;
    --accent-color: #f39c12;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f39c12 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #1a1a1a 100%);
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-heavy: 0 20px 60px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
    --border-radius: 10px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    background: rgba(44, 62, 80, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: var(--secondary-color) !important;
    padding: 0.5rem 0;
    box-shadow: var(--shadow-light);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white) !important;
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: var(--transition);
}

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

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('https://images.unsplash.com/photo-1541976590-713941681591?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: slideInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: slideInUp 1s ease-out 0.3s both;
}

.hero-buttons {
    animation: slideInUp 1s ease-out 0.6s both;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down {
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    padding: 12px 30px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-light);
}

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

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

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

/* Stats Section */
.stats-section {
    background: var(--light-color);
    padding: 80px 0;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray);
    font-weight: 500;
}

/* About Section */
.about-section {
    padding: 100px 0;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.about-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-medium);
}

.badge-text {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.badge-subtext {
    font-size: 0.9rem;
    opacity: 0.9;
}

.about-content {
    padding-left: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Services Section */
.services-section {
    background: var(--light-color);
    padding: 100px 0;
}

.service-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.service-card:hover::before {
    left: 0;
    opacity: 0.1;
}

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

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.service-card:hover .service-icon {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    position: relative;
    z-index: 2;
}

.service-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.service-link:hover {
    color: var(--secondary-color);
}

/* Portfolio Section */
.portfolio-section {
    padding: 100px 0;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-content {
    text-align: center;
    color: var(--white);
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-content h5 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.portfolio-content p {
    margin-bottom: 1rem;
    opacity: 0.8;
}

.portfolio-link {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    line-height: 50px;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.portfolio-link:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: scale(1.1);
}

/* Contact Section */
.contact-section {
    background: var(--light-color);
    padding: 100px 0;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 15px 20px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.contact-info-item {
    padding: 2rem 1rem;
    transition: var(--transition);
}

.contact-info-item:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.contact-info-item:hover .contact-icon {
    transform: scale(1.1);
}

.contact-info-item h5 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.contact-info-item p {
    color: var(--gray);
    margin: 0;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
}

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

.footer-text {
    opacity: 0.8;
    margin: 0;
}

.social-links {
    margin-bottom: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    line-height: 40px;
    text-align: center;
    margin: 0 5px;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-copyright {
    opacity: 0.7;
    margin: 0;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

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

/* Responsive Design */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        padding-left: 0;
        margin-top: 2rem;
    }
    
    .navbar-nav {
        text-align: center;
        padding-top: 1rem;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-section {
        background-attachment: scroll;
    }
    
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .hero-buttons .btn {
        display: block;
        margin-bottom: 1rem;
    }
    
    .hero-buttons .btn:last-child {
        margin-bottom: 0;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem 1rem;
    }
}

/* Loading Animation */
.loading {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Smooth Scrolling Enhancement */
html {
    scroll-padding-top: 80px;
}

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

::-webkit-scrollbar-track {
    background: var(--light-color);
}

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

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