/* ===== CSS Variables ===== */
:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #c9a96e;
    --accent-light: #d4b87a;
    --accent-dark: #b8944f;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --dark-bg: #0f0f1a;
    --text-dark: #2d2d2d;
    --text-light: #6c757d;
    --text-white: #f0f0f0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    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: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-inner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(201, 169, 110, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

.loader span {
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 3px;
}

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

/* ===== Header ===== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header-top {
    background: var(--primary);
    padding: 8px 0;
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
}

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

.header-contact-info a {
    color: var(--text-white);
    font-size: 0.85rem;
    margin-right: 20px;
}

.header-contact-info a i {
    color: var(--accent);
    margin-right: 5px;
}

.header-contact-info a:hover {
    color: var(--accent);
}

.header-social a {
    color: var(--text-white);
    margin-left: 12px;
    font-size: 0.9rem;
}

.header-social a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.navbar {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    transition: var(--transition);
}

#header.scrolled .navbar {
    padding: 10px 0;
    box-shadow: var(--shadow);
}

#header.scrolled .header-top {
    display: none;
}

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

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
}

.logo-d {
    color: var(--accent);
    font-size: 2.2rem;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 400;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero Slider ===== */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.slides {
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgb(104 104 113 / 13%), rgb(26 26 26 / 80%));
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    width: 90%;
    max-width: 700px;
}

.slide-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    margin-bottom: 15px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

.slide-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards 0.5s;
    color: rgba(255, 255, 255, 0.9);
}

.slide.active .slide-content h1,
.slide.active .slide-content p {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.slide.active .slide-content h1 {
    animation-delay: 0.3s;
}

.slide.active .slide-content p {
    animation-delay: 0.5s;
}

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

.btn-primary {
    display: inline-block;
    padding: 14px 35px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50px;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.slide.active .btn-primary {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(201, 169, 110, 0.4);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
}

.slider-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent);
    transform: scale(1.3);
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: var(--accent);
    margin: 0 auto 15px;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.05rem;
}

/* ===== About Section ===== */
.about-section {
    background: var(--light-bg);
}

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

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

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-experience {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--white);
    padding: 20px 25px;
    border-radius: var(--border-radius);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.exp-text {
    font-size: 0.85rem;
    font-weight: 500;
}

.about-text h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

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

.stat-item {
    text-align: center;
    padding: 20px 10px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.stat-item i {
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ===== Services Section ===== */
.services-section {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-icon {
    position: absolute;
    bottom: -25px;
    right: 20px;
    width: 55px;
    height: 55px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    box-shadow: 0 5px 15px rgba(201, 169, 110, 0.4);
    z-index: 2;
}

.service-info {
    padding: 30px 25px 25px;
}

.service-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 5px 0;
    color: var(--text-dark);
    font-size: 0.88rem;
}

.service-features li i {
    color: var(--accent);
    margin-right: 8px;
    font-size: 0.8rem;
}

/* ===== Gallery Section ===== */
.gallery-section {
    background: var(--light-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-info {
    text-align: center;
    color: var(--white);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-info {
    transform: translateY(0);
}

.gallery-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.gallery-info p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 10px;
}

.gallery-info i {
    font-size: 1.5rem;
    color: var(--accent);
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-caption {
    text-align: center;
    color: var(--white);
    padding: 15px 0;
    font-size: 1rem;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
    z-index: 10;
}

.lightbox-close {
    top: 20px;
    right: 30px;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--accent);
    transform: scale(1.2);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    transform: translateY(-50%) scale(1.2);
}

/* ===== Why Us Section ===== */
.whyus-section {
    background: var(--white);
}

.whyus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.whyus-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.whyus-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    background: var(--white);
}

.whyus-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.8rem;
    transition: var(--transition);
}

.whyus-card:hover .whyus-icon {
    transform: scale(1.1) rotate(5deg);
}

.whyus-card h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.whyus-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===== FAQ Section ===== */
.faq-section {
    background: var(--light-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary);
    flex: 1;
}

.faq-question i {
    color: var(--accent);
    font-size: 1rem;
    transition: transform 0.3s ease;
    margin-left: 15px;
}

.faq-item.active .faq-question {
    background: var(--accent);
}

.faq-item.active .faq-question h3 {
    color: var(--white);
}

.faq-item.active .faq-question i {
    color: var(--white);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 20px 25px;
}

.faq-answer p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ===== Clients Section ===== */
.clients-section {
    background: var(--white);
}

.clients-slider {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.client-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.client-rating {
    margin-bottom: 15px;
}

.client-rating i {
    color: #ffc107;
    font-size: 1rem;
}

.client-review {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.client-avatar i {
    font-size: 2.5rem;
    color: var(--accent);
}

.client-info h4 {
    font-size: 1rem;
    color: var(--primary);
}

.client-info span {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--light-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

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

.contact-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.contact-details h4 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-details a {
    color: var(--accent);
}

.contact-details a:hover {
    color: var(--accent-dark);
}

.contact-map {
    margin-top: 10px;
}

.contact-form-box {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form-box h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 25px;
}

.form-group {
    position: relative;
    margin-bottom: 18px;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 0.9rem;
    z-index: 2;
}

.textarea-icon {
    top: 20px;
    transform: none;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 15px 14px 45px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    background: var(--light-bg);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    outline: none;
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.1);
}

.form-group textarea {
    padding-top: 14px;
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 169, 110, 0.4);
}

.btn-submit i {
    margin-right: 8px;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary);
    color: var(--text-white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-contact li i {
    color: var(--accent);
    margin-top: 4px;
    min-width: 16px;
}

.footer-contact li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact li a:hover {
    color: var(--accent);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.footer-bottom i {
    color: #e74c3c;
}

/* ===== Floating Buttons ===== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.float-btn:hover {
    transform: scale(1.1);
}

.call-btn {
    background: #3498db;
}

.whatsapp-btn {
    background: #25d366;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3); }
    50% { box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5); }
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 45px;
    height: 45px;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .whyus-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .header-top {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--primary);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 0;
        transition: right 0.4s ease;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links a {
        display: block;
        padding: 15px 0;
        font-size: 1rem;
    }

    .hero-slider {
        height: 70vh;
        min-height: 500px;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 0.9rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .prev-btn {
        left: 15px;
    }

    .next-btn {
        right: 15px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-image img {
        height: 300px;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .clients-slider {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }

    .float-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .back-to-top {
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .hero-slider {
        height: 60vh;
        min-height: 400px;
    }

    .slide-content h1 {
        font-size: 1.6rem;
    }

    .slide-content p {
        font-size: 0.85rem;
        margin-bottom: 20px;
    }

    .btn-primary {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .stat-number {
        font-size: 1.5rem;
    }

    .contact-form-box {
        padding: 25px 20px;
    }
}