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

:root {
    --primary-color: #1a3a5c;
    --secondary-color: #d4af37;
    --accent-color: #2c5282;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --dark-bg: #0f1923;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

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

.loader span {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
    padding: 10px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

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

.logo img {
    height: 50px;
}

.logo span {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--white);
    z-index: 999;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.mobile-menu ul {
    list-style: none;
    text-align: center;
}

.mobile-menu ul li {
    margin: 20px 0;
}

.mobile-menu ul a {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.mobile-menu ul a:hover {
    color: var(--secondary-color);
}

/* Hero */
.hero {
    background: linear-gradient(rgba(26,58,92,0.88), rgba(15,25,35,0.95)), url('21.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
    position: relative;
}

.hero-content {
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

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

.hero-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 30px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 25px;
    font-weight: 800;
    line-height: 1.15;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
    padding: 16px 40px;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover {
    background: #c9a42e;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212,175,55,0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 16px 40px;
    text-decoration: none;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding-top: 50px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

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

.hero-stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    line-height: 1;
}

.hero-stat-number::after {
    content: '+';
    font-size: 2rem;
}

.hero-stat-label {
    font-size: 0.95rem;
    opacity: 0.85;
    font-weight: 400;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: var(--white);
    font-size: 1.5rem;
    opacity: 0.7;
    transition: var(--transition);
}

.scroll-indicator a:hover {
    opacity: 1;
}

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

/* Trust Bar */
.trust-bar {
    background: var(--primary-color);
    padding: 30px 0;
}

.trust-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    transition: var(--transition);
}

.trust-item:hover {
    background: rgba(255,255,255,0.1);
}

.trust-item i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.trust-item span {
    font-weight: 500;
    font-size: 1rem;
}

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

.section-tag {
    display: inline-block;
    background: rgba(212,175,55,0.1);
    color: var(--secondary-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

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

/* About */
.about {
    padding: 120px 0;
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 1.05rem;
}

.about-features {
    list-style: none;
    margin: 30px 0;
}

.about-features li {
    padding: 12px 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    font-weight: 500;
}

.about-features i {
    color: var(--secondary-color);
    margin-right: 15px;
    font-size: 1.2rem;
}

.about-image-wrapper {
    position: relative;
    display: inline-block;
}

.about-image {
    width: 100%;
    max-width: 500px;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    display: block;
}

.about-visuals {
    display: flex;
    justify-content: center;
    align-items: center;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(212,175,55,0.4);
}

.exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

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

/* Portfolio */
.portfolio {
    padding: 120px 0;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--white);
    border: 2px solid #e0e0e0;
    color: var(--text-dark);
    padding: 12px 28px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    font-family: inherit;
    transition: var(--transition);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: var(--transition);
}

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

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

.portfolio-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(26,58,92,0.95));
    padding: 30px 20px;
    color: var(--white);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

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

.portfolio-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-bottom: 5px;
    display: block;
}

.portfolio-overlay h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.portfolio-link:hover {
    transform: translateX(5px);
}

/* Services */
.services {
    padding: 120px 0;
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 45px 30px;
    text-align: center;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--secondary-color);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: rgba(212,175,55,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--secondary-color);
}

.service-icon i {
    font-size: 2rem;
    color: var(--secondary-color);
    transition: var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.service-link:hover {
    gap: 12px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(26,58,92,0.95), rgba(15,25,35,0.98)), url('21.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 100px 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255,255,255,0.85);
    font-size: 1.1rem;
    margin-bottom: 35px;
}

/* Contact */
.contact {
    padding: 120px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.info-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 15px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-icon {
    width: 55px;
    height: 55px;
    background: var(--secondary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    color: var(--white);
    font-size: 1.3rem;
}

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

.info-text p {
    color: var(--text-light);
}

.info-text a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

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

.contact-form {
    background: var(--white);
    padding: 45px;
    border-radius: 15px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-bg);
}

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

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

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 45px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-about p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
}

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

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

.footer-section ul a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.footer-contact i {
    color: var(--secondary-color);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 5px 25px rgba(37,211,102,0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 35px rgba(37,211,102,0.5);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-visuals {
        order: -1;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 2.3rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-stat-number {
        font-size: 2.8rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 250px;
    }
    
    .trust-items {
        flex-direction: column;
        text-align: center;
    }
    
    .experience-badge {
        bottom: -10px;
        right: 10px;
        padding: 15px;
    }
    
    .exp-number {
        font-size: 1.8rem;
    }
    
    .contact-form {
        padding: 25px;
    }
}