:root {
    --primary: #FACC15; /* Industrial Yellow */
    --primary-glow: rgba(250, 204, 21, 0.3);
    --secondary: #334155;
    --bg-dark: #0B0F19; /* Deep Dark */
    --bg-card: rgba(30, 41, 59, 0.7); /* Slate Gray with transparency for glass */
    --text-main: #F8FAFC;
    --text-secondary: #94A3B8;
    --border: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

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 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

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

.highlight {
    color: var(--primary);
    text-shadow: 0 0 15px var(--primary-glow);
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-family: var(--font-heading);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background-color: #EAB308;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(250, 204, 21, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
    border-color: var(--primary);
}

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

.navbar.scrolled {
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 15px var(--primary-glow);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-seven {
    color: var(--text-main);
}

.logo-solutions {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

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

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(135deg, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.7) 50%, rgba(11, 15, 25, 0.9) 100%), url('./assets/hero_industrial.png');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(250, 204, 21, 0.1);
    color: var(--primary);
    border: 1px solid rgba(250, 204, 21, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease forwards;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    animation: fadeInUp 1.2s ease forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1.4s ease forwards;
    opacity: 0;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    animation: fadeInUp 1.6s ease forwards;
    opacity: 0;
}

.stat-card {
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Services */
.services {
    padding: 6rem 0;
    position: relative;
}

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

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(30, 41, 59, 0.9);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

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

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(250, 204, 21, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .icon-wrapper {
    background: var(--primary);
    color: var(--bg-dark);
    transform: rotateY(180deg);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

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

/* Featured Product */
.featured-product {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.4) 0%, rgba(11, 15, 25, 1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.reverse-layout .featured-text {
    order: 2;
}

.reverse-layout .featured-image-wrapper {
    order: 1;
}

.featured-image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    padding: 1rem;
    border: 1px solid var(--border);
}

.featured-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}

.glass-badge {
    position: absolute;
    top: 2rem;
    left: 2rem;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.featured-text h2 {
    font-size: 2.5rem;
    margin: 1rem 0 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.featured-text > p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.product-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.detail-block h3 {
    font-size: 1.2rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.detail-block h3 svg {
    color: var(--primary);
}

.detail-block ul {
    list-style: none;
}

.detail-block ul li {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.2rem;
}

.detail-block ul li::before {
    content: '•';
    color: var(--primary);
    position: absolute;
    left: 0;
    top: -2px;
    font-size: 1.2rem;
}

.detail-block ul li strong {
    color: var(--text-main);
}

/* Featured Product Additions */
.alt-bg {
    background: linear-gradient(135deg, rgba(11, 15, 25, 1) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.cta-mini {
    padding: 1.5rem;
    margin-top: 1.5rem;
    border-left: 4px solid var(--primary);
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

/* Table Styles */
.table-container {
    margin-top: 4rem;
}

.table-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.table-responsive {
    overflow-x: auto;
    border-radius: 12px;
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.product-table th, .product-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.product-table th {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 600;
}

.product-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.product-table td strong {
    color: var(--text-main);
}

.product-table td {
    color: var(--text-secondary);
}

/* Testimonials & Team */
.testimonials { padding: 6rem 0; }
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.testimonial-card {
    padding: 2.5rem;
    position: relative;
    border-top: 4px solid var(--primary);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.quote-icon { color: var(--primary); opacity: 0.3; margin-bottom: 1rem; }
.testimonial-card p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 2rem;
}
.testimonial-author { display: flex; align-items: center; gap: 1rem; margin-top: auto; }
.avatar {
    width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; color: white; font-size: 1.2rem;
}
.author-info strong { display: block; color: var(--text-main); }
.author-info span { font-size: 0.85rem; color: var(--text-secondary); }

/* About Section */
.about {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(15, 23, 42, 0.5) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));
    border: 1px solid rgba(250, 204, 21, 0.2);
}

.decor-circle {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 2px dashed rgba(250, 204, 21, 0.2);
    animation: spin 20s linear infinite;
}

.decor-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(90deg, transparent 95%, rgba(255,255,255,0.05) 100%);
    background-size: 20px 100%;
}

.about-image h2 {
    font-size: 2.5rem;
    position: relative;
    z-index: 2;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.features-list {
    list-style: none;
    margin-top: 2rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.features-list svg {
    color: var(--primary);
}

/* CTA Contact */
.cta {
    padding: 6rem 0;
}

.cta-box {
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
    border-top: 4px solid var(--primary);
}

.cta-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.cta-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cta-form input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.cta-form input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(11, 15, 25, 0.9);
}

/* Footer */
footer {
    background: #05080E;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1.5rem;
    max-width: 300px;
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.3);
    font-size: 0.9rem;
}

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

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-text h1 {
        font-size: 3rem;
    }
    .hero-stats {
        grid-template-columns: 1fr;
    }
    .about-content, .cta-box, .featured-content, .product-details-grid, .team-content {
        grid-template-columns: 1fr;
    }
    .reverse-layout .featured-text {
        order: 1;
    }
    .reverse-layout .featured-image-wrapper {
        order: 2;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* simple mobile behavior for now */
    }
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .cta-box {
        padding: 2rem;
    }
}