/* === CSS VARIABLES === */
:root {
    --primary-color: #8A2BE2;
    --secondary-color: #6ECBF5;
    --accent-color: #FF6B6B;
    --dark-bg: #121212;
    --darker-bg: #0A0A0A;
    --light-text: #F5F5F5;
    --gray-text: #B0B0B0;
    --card-bg: #1E1E1E;
    --transition: all 0.4s ease;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
}

.light-theme {
    --primary-color: #8A2BE2;
    --secondary-color: #6ECBF5;
    --accent-color: #FF6B6B;
    --dark-bg: #F5F5F5;
    --darker-bg: #E0E0E0;
    --light-text: #121212;
    --gray-text: #555555;
    --card-bg: #FFFFFF;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* === RESET & BASE STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    text-transform: uppercase;
    letter-spacing: 2px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    position: relative;
    display: inline-block;
    margin-bottom: 2.5rem;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-text);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* === LAYOUT & CONTAINERS === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* === PRELOADER === */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--darker-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: pulse 2s infinite;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(138, 43, 226, 0.2);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

/* === HEADER & NAVIGATION === */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
    background-color: transparent;
}

header.scrolled {
    background-color: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.light-theme header.scrolled {
    background-color: rgba(245, 245, 245, 0.9);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* === HERO SECTION === */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23121212"/><path d="M0 0L100 100M100 0L0 100" stroke="%23222" stroke-width="1"/></svg>');
}

.light-theme .hero {
    background: linear-gradient(rgba(245, 245, 245, 0.8), rgba(245, 245, 245, 0.8)), 
                url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23F5F5F5"/><path d="M0 0L100 100M100 0L0 100" stroke="%23DDD" stroke-width="1"/></svg>');
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.typewriter {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: 2.5rem;
    min-height: 60px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(138, 43, 226, 0.6);
}

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

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

.theme-toggle {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--card-bg);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 100;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: rotate(30deg);
}

/* === ABOUT SECTION === */
.about {
    background-color: var(--darker-bg);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

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

.about-content h2 {
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    font-size: 0.9rem;
    color: var(--gray-text);
}

/* === PORTFOLIO SECTION === */
.portfolio {
    background-color: var(--dark-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--gray-text);
    color: var(--gray-text);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

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

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-info h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.gallery-info p {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.gallery-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.action-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.favorite-btn.active {
    color: var(--accent-color);
}

/* === LIGHTBOX === */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
}

.lightbox-info {
    margin-top: 20px;
    text-align: center;
    color: var(--light-text);
    max-width: 600px;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    padding: 0 20px;
}

.lightbox-close, .lightbox-prev, .lightbox-next {
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.lightbox-close {
    position: absolute;
    top: -60px;
    right: 0;
}

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

.lightbox-counter {
    position: absolute;
    bottom: -50px;
    left: 0;
    color: var(--light-text);
    font-size: 0.9rem;
}

/* === SERVICES SECTION === */
.services-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.service-card:hover {
    transform: translateY(-10px);
    background: linear-gradient(145deg, var(--card-bg), #252525);
}

.light-theme .service-card:hover {
    background: linear-gradient(145deg, var(--card-bg), #F0F0F0);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.service-card h3 {
    margin-bottom: 15px;
}

.service-price {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 15px 0;
    color: var(--primary-color);
}

.service-features {
    list-style: none;
    margin: 20px 0;
}

.service-features li {
    margin-bottom: 10px;
    color: var(--gray-text);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-features li:before {
    content: '✓';
    color: var(--primary-color);
    margin-right: 10px;
    font-weight: bold;
}

/* === TESTIMONIALS SECTION === */
.testimonials {
    background-color: var(--darker-bg);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonials-container {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial {
    min-width: 100%;
    padding: 30px;
    text-align: center;
}

.testimonial-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    position: relative;
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 20px;
    height: 20px;
    background: var(--card-bg);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--light-text);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
    border: 3px solid var(--primary-color);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    margin: 0;
    color: var(--gray-text);
    font-size: 0.9rem;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    gap: 10px;
}

.testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-text);
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* === CONTACT SECTION === */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.contact-form {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--light-text);
    font-family: inherit;
    transition: var(--transition);
}

.light-theme .form-control {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--light-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.light-theme .form-control:focus {
    background: rgba(0, 0, 0, 0.08);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* === MODAL === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--box-shadow);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary-color);
}

/* === TOAST NOTIFICATION === */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--card-bg);
    color: var(--light-text);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

.toast.active {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid #4CAF50;
}

.toast.error {
    border-left: 4px solid #F44336;
}

/* === WHATSAPP FLOATING BUTTON === */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    left: 25px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
    z-index: 100;
    cursor: pointer;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    bottom: 70px;
    left: 0;
    background: var(--card-bg);
    color: var(--light-text);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    white-space: nowrap;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    transform: translateY(10px);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* === FLOATING BUTTON === */
.floating-contact {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
    z-index: 100;
    cursor: pointer;
    transition: var(--transition);
    display: none;
}

.floating-contact:hover {
    transform: scale(1.1);
}

/* === FOOTER === */
footer {
    background: var(--darker-bg);
    padding: 60px 0 20px;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
    text-align: left;
}

.footer-column h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    position: relative;
    display: inline-block;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-text);
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-links a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.footer-newsletter p {
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-input {
    flex: 1;
    padding: 12px 15px;
    border-radius: 50px;
    border: 1px solid var(--gray-text);
    background: transparent;
    color: var(--light-text);
    font-family: inherit;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 40px;
}

.light-theme .footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.copyright {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

/* === DISCLAIMER === */
.disclaimer {
    background: #0A0A0A;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.light-theme .disclaimer {
    background: #E0E0E0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer p {
    color: var(--gray-text);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.disclaimer a {
    color: var(--primary-color);
    font-weight: 600;
}

.disclaimer a:hover {
    text-decoration: underline;
}

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

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* === RESPONSIVE STYLES === */
@media (max-width: 992px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .navbar {
        position: relative;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--darker-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(-100%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hamburger {
        display: block;
        z-index: 1000;
    }
    
    .hamburger.active i:before {
        content: '\f00d';
    }
    
    .theme-toggle {
        top: 90px;
        right: 15px;
        width: 45px;
        height: 45px;
    }
    
    .floating-contact {
        display: flex;
    }
    
    section {
        padding: 60px 0;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .whatsapp-float {
        bottom: 20px;
        left: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.6rem;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 576px) {
    .gallery {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
    
    .lightbox-nav {
        padding: 0 10px;
    }
    
    .lightbox-close, .lightbox-prev, .lightbox-next {
        width: 40px;
        height: 40px;
    }
    
    .lightbox-close {
        top: -50px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-column h3:after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* === ACCESSIBILITY === */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for keyboard navigation */
a:focus, button:focus, .filter-btn:focus, .action-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* === UTILITY CLASSES === */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-30 {
    margin-top: 30px;
}