/* CSS Variables - Yellow & Black Industrial Theme */
:root {
    --primary-color: #FFD700;
    --primary-dark: #E6C200;
    --secondary-color: #0a0a0a;
    --accent-color: #FF6B00;
    --text-light: #ffffff;
    --text-dark: #1a1a1a;
    --text-muted: #888888;
    --bg-light: #f8f8f8;
    --bg-dark: #111111;
    --card-bg: #1a1a1a;
    --border-color: #333333;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--secondary-color);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-weight: 800;
    font-size: 1.3rem;
}

.logo i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

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

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

.nav-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-phone {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-phone i {
    animation: pulse 1.5s infinite;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.btn-large {
    padding: 16px 35px;
    font-size: 1.1rem;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-bg.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.75) 0%, rgba(10, 10, 10, 0.60) 50%, rgba(26, 26, 26, 0.70) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 10px 20px;
    border-radius: 50px;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 30px;
}

.hero h1 {
    color: var(--text-light);
    margin-bottom: 15px;
}

.tagline {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 500px;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-weight: 500;
}

.feature i {
    color: var(--primary-color);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-light);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.about-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.about-img.main {
    grid-column: 1 / -1;
    height: 250px;
}

.about-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.about-content h2 {
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.about-feature i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.about-feature h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
}

.about-feature p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
}

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

.section-header.light {
    color: var(--text-light);
}

.section-header.light h2,
.section-header.light p {
    color: var(--text-light);
}

.section-badge {
    display: inline-block;
    background: rgba(255, 215, 0, 0.1);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.section-header h2 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.service-card {
    background: white;
    border-radius: var(--radius);
    padding: 35px;
    transition: var(--transition);
    border: 1px solid #e0e0e0;
    position: relative;
    overflow: hidden;
}

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

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

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-link {
    color: var(--secondary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--accent-color);
    gap: 12px;
}

/* Why Choose Us Section */
.why-us {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a1a1a 100%);
    position: relative;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 80px;
}

.why-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 35px;
    text-align: center;
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 2px solid var(--primary-color);
}

.why-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.why-card h3 {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.why-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Stats */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 5px;
    display: block;
}

/* Gallery Section */
.gallery {
    padding: 100px 0;
    background: var(--bg-light);
}

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

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

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-overlay span {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.95rem;
}

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

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

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-text .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.contact-text .value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid #e0e0e0;
}

.contact-form-wrapper h3 {
    margin-bottom: 25px;
    color: var(--text-dark);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
.footer {
    background: var(--secondary-color);
    padding: 70px 0 30px;
    color: var(--text-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand .logo {
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer ul {
    list-style: none;
}

.footer-websites ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-websites a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-websites a i {
    font-size: 0.75rem;
    color: var(--primary-color);
}

.footer-websites a:hover {
    color: var(--primary-color);
}

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

.footer a {
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom p:first-child {
    margin-bottom: 5px;
}

/* Sticky Mobile Buttons */
.sticky-mobile {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--secondary-color);
    padding: 12px 20px;
    z-index: 999;
    justify-content: center;
    gap: 15px;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.3);
}

.sticky-btn {
    flex: 1;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sticky-call {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.sticky-whatsapp {
    background: #25D366;
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        max-width: 100%;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

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

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-grid {
        order: 2;
    }

    .about-content {
        order: 1;
        text-align: center;
    }

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

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

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

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

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-contact {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        color: var(--text-light);
        font-size: 1.5rem;
        cursor: pointer;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--secondary-color);
        flex-direction: column;
        padding: 80px 25px 30px;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 999;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        border-left: 3px solid var(--primary-color);
    }

    .nav-links.active {
        display: flex;
        transform: translateX(0);
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 18px 0;
        font-size: 1.1rem;
    }

    .nav-links a::after {
        display: none;
    }

    /* Overlay when menu is open */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 998;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

    .about-img {
        height: 150px;
    }

    .about-img.main {
        height: 200px;
    }

    .about-features {
        gap: 15px;
    }

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

    .stats-row {
        gap: 40px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .contact-buttons {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-websites a {
        justify-content: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-contact p {
        justify-content: center;
    }

    .sticky-mobile {
        display: flex;
    }

    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .about-img {
        height: 120px;
    }

    .about-img.main {
        height: 160px;
    }

    .about-feature {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .service-card,
    .why-card,
    .contact-form-wrapper {
        padding: 25px;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .stats-row {
        flex-direction: column;
        gap: 30px;
    }
}