/* ===== CSS Variables ===== */
:root {
    --primary: #1a56db;
    --primary-dark: #1240a8;
    --primary-light: #3b82f6;
    --secondary: #f97316;
    --secondary-dark: #ea580c;
    --accent: #0ea5e9;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

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(--white);
    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;
}

.battery-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.battery-body {
    width: 60px;
    height: 30px;
    border: 3px solid var(--primary);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.battery-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    animation: batteryCharge 1.5s ease-in-out infinite;
}

.battery-tip {
    width: 6px;
    height: 14px;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
    margin-left: 2px;
}

@keyframes batteryCharge {
    0% { width: 0%; }
    50% { width: 100%; }
    100% { width: 0%; }
}

.loader p {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

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

#header.scrolled {
    box-shadow: var(--shadow-lg);
}

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

.top-bar {
    background: var(--dark);
    color: var(--white);
    padding: 8px 0;
    font-size: 13px;
    transition: var(--transition);
}

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

.top-bar-left {
    display: flex;
    gap: 20px;
}

.top-bar-left span, .top-bar-right span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar {
    background: var(--white);
    padding: 12px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 18px;
    color: var(--primary);
    font-weight: 700;
    line-height: 1.2;
}

.logo-text span {
    font-size: 12px;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
    position: relative;
    padding: 5px 0;
}

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

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

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

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

/* ===== Hero Slider ===== */
.hero-slider {
    margin-top: 100px;
    position: relative;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 550px;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    width: 80%;
    max-width: 700px;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.slide-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInDown 0.8s ease;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 25px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease;
}

.btn-primary {
    display: inline-block;
    padding: 14px 35px;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
    animation: fadeInUp 1s ease;
}

.btn-primary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 0 auto 15px;
    border-radius: 2px;
}

.section-header p {
    font-size: 16px;
    color: var(--gray);
}

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

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

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-text h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 15px;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 12px;
    font-size: 15px;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #e2e8f0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 13px;
    color: var(--gray);
    display: block;
    margin-top: 4px;
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

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

.service-image {
    height: 200px;
    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-info {
    padding: 25px;
}

.service-info h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 10px;
}

.service-info p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
    line-height: 1.6;
}

.service-info ul {
    padding-left: 0;
}

.service-info ul li {
    font-size: 13px;
    color: var(--dark-light);
    padding: 4px 0;
    padding-left: 18px;
    position: relative;
}

.service-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

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

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

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    height: 250px;
}

.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, 86, 219, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--white);
}

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

.gallery-overlay span {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.gallery-overlay .icon-zoom {
    font-size: 24px;
}

/* ===== Lightbox ===== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: 85%;
    max-height: 85vh;
    border-radius: 8px;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10001;
}

.lightbox-close:hover {
    color: var(--secondary);
    transform: rotate(90deg);
}

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 30px;
    color: var(--white);
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover, .lightbox-next:hover {
    background: rgba(255,255,255,0.2);
}

/* ===== Why Us Section ===== */
.whyus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.whyus-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.whyus-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--primary);
}

.whyus-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whyus-card:hover .whyus-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
}

.whyus-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
    stroke: var(--white);
}

.whyus-card h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 12px;
}

.whyus-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

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

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

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.faq-question {
    width: 100%;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-toggle {
    font-size: 24px;
    font-weight: 300;
    color: var(--primary);
    transition: var(--transition);
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-item.active .faq-question {
    color: var(--primary);
    border-bottom: 1px solid #e2e8f0;
}

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

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 20px 25px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== Clients Section ===== */
.testimonials-slider {
    position: relative;
    min-height: 200px;
    margin-bottom: 20px;
}

.testimonial {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.testimonial.active {
    opacity: 1;
    position: relative;
}

.testimonial-content {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    max-width: 700px;
    margin: 0 auto;
}

.stars {
    color: #fbbf24;
    font-size: 22px;
    margin-bottom: 15px;
}

.testimonial-content p {
    font-size: 16px;
    color: var(--gray);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 20px;
}

.testimonial-author strong {
    display: block;
    font-size: 16px;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 13px;
    color: var(--gray-light);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.t-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-light);
    cursor: pointer;
    transition: var(--transition);
}

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

.client-logos {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #e2e8f0;
}

.client-logo-item {
    background: var(--white);
    padding: 15px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.client-logo-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.client-logo-item span {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

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

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

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-card {
    background: var(--light);
    padding: 25px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--white);
}

.contact-card h3 {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.5;
}

.contact-card a {
    color: var(--primary);
    font-weight: 500;
}

.contact-card a:hover {
    color: var(--secondary);
}

/* ===== Contact Form ===== */
.contact-form-wrapper {
    background: var(--light);
    padding: 35px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 22px;
    color: var(--dark);
    margin-bottom: 25px;
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px 14px 48px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background: var(--white);
    transition: var(--transition);
    color: var(--dark);
}

.form-group textarea {
    padding-left: 18px;
    resize: vertical;
    min-height: 100px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--gray-light);
}

.form-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--gray-light);
}

.form-group input:focus ~ .form-icon svg,
.form-group select:focus ~ .form-icon svg {
    stroke: var(--primary);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit svg {
    width: 18px;
    height: 18px;
    stroke: var(--white);
}

.btn-submit:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.4);
}

.form-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    display: none;
}

.form-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ===== Map ===== */
.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    display: block;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: #cbd5e1;
    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 #475569;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.footer-logo img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.footer-logo h3 {
    color: var(--white);
    font-size: 18px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.7;
}

.footer-col h3 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: #cbd5e1;
    transition: var(--transition);
}

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

.footer-contact li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 15px;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    min-width: 18px;
    stroke: var(--secondary);
    margin-top: 3px;
}

.footer-contact span {
    font-size: 13px;
}

.footer-contact a {
    color: #cbd5e1;
}

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

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #94a3b8;
}

/* ===== Floating Buttons ===== */
.floating-buttons {
    position: fixed;
    bottom: 25px;
    right: 25px;
    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;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

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

.float-btn svg {
    width: 24px;
    height: 24px;
}

.call-btn {
    background: var(--primary);
}

.call-btn svg {
    stroke: var(--white);
}

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

.whatsapp-btn svg {
    fill: var(--white);
    width: 28px;
    height: 28px;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(26, 86, 219, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(26, 86, 219, 0); }
    100% { box-shadow: 0 0 0 0 rgba(26, 86, 219, 0); }
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 25px;
    left: 25px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

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

.back-to-top svg {
    width: 22px;
    height: 22px;
    stroke: var(--white);
}

/* ===== Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Fallback: show content if JS hasn't loaded yet */
.no-js .animate-on-scroll {
    opacity: 1;
    transform: none;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { 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: 1fr 1fr;
    }
}

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

    .top-bar {
        display: none;
    }

    .hero-slider {
        margin-top: 70px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 0;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        z-index: 1000;
    }

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

    .nav-links li {
        border-bottom: 1px solid #f1f5f9;
    }

    .nav-links a {
        display: block;
        padding: 15px 0;
        font-size: 16px;
    }

    .slider-container {
        height: 400px;
    }

    .slide-content h2 {
        font-size: 28px;
    }

    .slide-content p {
        font-size: 16px;
    }

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

    .about-image img {
        height: 280px;
    }

    .about-stats {
        justify-content: space-around;
    }

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

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

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

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

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

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

    .section-header h2 {
        font-size: 28px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .slider-container {
        height: 350px;
    }

    .slide-content h2 {
        font-size: 22px;
    }

    .slide-content p {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .btn-primary {
        padding: 12px 25px;
        font-size: 14px;
    }

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

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

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .stat-number {
        font-size: 28px;
    }

    .client-logos {
        gap: 15px;
    }

    .client-logo-item {
        padding: 10px 20px;
    }

    .floating-buttons {
        bottom: 15px;
        right: 15px;
    }

    .float-btn {
        width: 48px;
        height: 48px;
    }

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