/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Theme Colors */
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #f39c12;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 30px rgba(0, 0, 0, 0.15);
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

[data-theme="dark"] {
    /* Dark Theme Colors */
    --primary-color: #ecf0f1;
    --secondary-color: #e74c3c;
    --accent-color: #f39c12;
    --text-color: #ecf0f1;
    --text-light: #bdc3c7;
    --bg-color: #2c3e50;
    --bg-light: #34495e;
    --border-color: #4a5f7a;
    --shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 5px 30px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: all 0.3s ease;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 10px;
    background: var(--secondary-color);
    color: #fff;
    padding: 10px 15px;
    border-radius: 6px;
    z-index: 2000;
}

.skip-link:focus {
    left: 10px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .navbar {
    background: rgba(44, 62, 80, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

/* Focus styles */
:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-light);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 20px 50px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: var(--bg-light);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient);
    color: white;
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-overlay i {
    color: white;
    font-size: 2rem;
}

.portfolio-caption {
    background: var(--bg-color);
    padding: 0.9rem 1rem;
    border-top: 1px solid var(--border-color);
}

.portfolio-caption h4 {
    margin: 0 0 0.35rem 0;
    color: var(--primary-color);
    font-size: 1.05rem;
}

.portfolio-caption p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.about-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-light);
    font-weight: 500;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-color);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

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

.service-card.featured {
    border: 3px solid var(--accent-color);
    transform: scale(1.05);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.service-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--gradient);
    color: white;
}

.testimonials .section-title {
    color: white;
}

.testimonials .section-title::after {
    background: white;
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial {
    display: none;
}

.testimonial.active {
    display: block;
}

.testimonial-content p {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 0.5rem;
}

.author-info span {
    color: rgba(255, 255, 255, 0.8);
}

/* Blog Section */
.blog {
    padding: 100px 0;
    background: var(--bg-light);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--bg-color);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.blog-image {
    position: relative;
    overflow: hidden;
}

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

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-date {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient);
    color: white;
    padding: 10px;
    border-radius: 10px;
    text-align: center;
    min-width: 60px;
}

.blog-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1;
}

.blog-date .month {
    font-size: 0.9rem;
    text-transform: uppercase;
}

.blog-content {
    padding: 2rem;
}

.blog-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.blog-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--accent-color);
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

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

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

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-color);
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 1000px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
}

.lightbox-close:hover {
    color: var(--secondary-color);
}

#lightbox-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.lightbox-prev,
.lightbox-next {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 15px 20px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    pointer-events: all;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .portfolio-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card.featured {
        transform: none;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 80px 15px 30px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .testimonial-content p {
        font-size: 1.1rem;
    }

    .lightbox-content {
        width: 95%;
        padding: 10px;
    }
}

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

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

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Cookie Consent */
.cookie-banner {
    position: fixed;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    border-radius: 12px;
    padding: 16px;
    display: none;
    z-index: 3000;
}

.cookie-banner.show { display: block; }

.cookie-banner .cookie-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.cookie-banner p { margin: 0; }

/* Generic modal (shared) */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 3000;
    padding: 20px;
}

.modal .modal-content { background: var(--bg-color); border-radius: 16px; max-width: 800px; margin: 60px auto; box-shadow: var(--shadow-hover); overflow: hidden; }
.modal .modal-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border-color); }
.modal .modal-body { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 1rem 1.25rem; }
.modal .modal-footer { display: flex; justify-content: flex-end; gap: 0.5rem; padding: 1rem 1.25rem; border-top: 1px solid var(--border-color); }

@media (max-width: 900px) {
    .modal .modal-body { grid-template-columns: 1fr; }
}