@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@500;600;700;800;900&display=swap');

:root {
    --bg-dark: #111111;
    --bg-surface: #1C1C1E;
    --bg-surface-light: #2A2A2D;
    --accent: #FFB300; /* Industrial Yellow */
    --accent-hover: #E09E00;
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --border: #333333;
    --border-accent: rgba(255, 179, 0, 0.3);
    --font-heading: 'Montserrat', 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;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: #FFFFFF;
    font-weight: 700;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #111;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background-color: var(--accent);
    color: #111;
}

.section-header {
    margin-bottom: 50px;
    text-align: center;
}

.section-header .subtitle {
    display: block;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(17, 17, 17, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--transition);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

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

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

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: #FFF;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(rgba(17, 17, 17, 0.8), rgba(17, 17, 17, 0.9)), url('https://images.unsplash.com/photo-1579546929518-9e396f3cc809?w=1920&q=80') center/cover no-repeat;
    margin-top: 0;
    padding-top: 80px;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

/* Features/Why Us */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-surface);
    padding: 40px 30px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

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

/* Services Snippet */
.services-bg {
    background-color: var(--bg-surface-light);
}

.service-card {
    background-color: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent);
}

.service-img {
    height: 200px;
    overflow: hidden;
}

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

.service-card:hover .service-img img {
    transform: scale(1.1);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

.service-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.service-link:hover {
    gap: 10px;
}

/* Products Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17,17,17,0.9), transparent);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

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

.gallery-overlay h4 {
    color: #FFF;
    font-size: 1.2rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background-color: var(--bg-surface);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 179, 0, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
}

.contact-details h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--text-muted);
}

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

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

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

.form-control {
    width: 100%;
    padding: 15px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: #FFF;
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 179, 0, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
.footer {
    background-color: #0A0A0A;
    padding: 80px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
}

.footer-col p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 15px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Floating Buttons */
.floating-btns {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 99;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: var(--transition);
}

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

.float-btn.call {
    background-color: var(--accent);
    color: #111;
}

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

/* Page Header */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(rgba(17, 17, 17, 0.9), rgba(17, 17, 17, 0.95)), url('https://images.unsplash.com/photo-1579546929518-9e396f3cc809?w=1920&q=80') center/cover no-repeat;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-surface);
        flex-direction: column;
        padding: 100px 30px;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    }

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

    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-btns {
        bottom: 20px;
        right: 20px;
    }
    
    .float-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}