:root {
    --bg-color: #050505;
    --surface-color: #121212;
    --surface-light: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #f59e0b; /* Amber/Orange */
    --accent-hover: #d97706;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

.accent {
    color: var(--accent-color);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-heading);
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

.nav-links a.btn-primary {
    color: #000;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 5rem);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

/* Services */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

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

.service-card {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(245, 158, 11, 0.3);
    background: var(--surface-light);
}

.service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* Swiper Slider Styles */
.gallery-slider {
    width: 100%;
    padding-bottom: 4rem; /* Space for pagination */
}

.gallery-slider .swiper-slide {
    height: 350px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

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

.gallery-slider .swiper-slide:hover img {
    transform: scale(1.05);
}

.swiper-pagination-bullet {
    background: var(--text-secondary);
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    background: var(--accent-color);
    opacity: 1;
}

.swiper-button-next, .swiper-button-prev {
    color: var(--accent-color);
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: stretch;
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.info-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.info-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.mt-4 {
    margin-top: 2rem;
}

.social-links h4 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--surface-light);
    color: var(--text-primary);
    border-radius: 50%;
    font-size: 1.25rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-color);
    color: #000;
    transform: translateY(-3px);
}

.contact-map {
    border-radius: 12px;
    overflow: hidden;
}

/* Footer extensions */
.footer {
    background: var(--surface-color);
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

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

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.3);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    animation: bounce 2s infinite;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: #FFF;
}

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

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Crane Animation SVG */
.animated-crane {
    display: block;
    margin-bottom: 2rem;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.5));
}

.crane-cable {
    animation: scaleCable 3s infinite alternate ease-in-out;
}

.crane-load-group {
    animation: moveLoad 3s infinite alternate ease-in-out;
}

@keyframes scaleCable {
    0% { transform: scaleY(1); } 
    100% { transform: scaleY(0.3); } 
}

@keyframes moveLoad {
    0% { transform: translateY(0); }
    100% { transform: translateY(-70px); }
}

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

/* Responsive updates */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 30px;
    }
}