/* ==========================================
   GLOBAL STYLES & RESET
   ========================================== */

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

:root {
    /* Color Palette - Industrial & Professional */
    --primary-navy: #1a3a52;
    --secondary-blue: #2c5f7f;
    --steel-grey: #5a6c7d;
    --dark-green: #2d5a4a;
    --light-grey: #e8eef2;
    --off-white: #f5f7fa;
    --white: #ffffff;
    --text-dark: #2c3e50;
    --text-medium: #546e7a;
    --text-light: #7a8a99;
    --border-color: #d1dce5;
    --accent-orange: #d97636;
    
    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 16px;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.site-header {
    background: var(--primary-navy);
    color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 2px;
    letter-spacing: 0.5px;
}

.logo-image {
    height: 70px;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo .tagline {
    font-size: 13px;
    color: var(--light-grey);
    font-weight: 400;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu li a {
    color: var(--white);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu li a:hover {
    color: var(--accent-orange);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: width 0.3s ease;
}

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

/* ==========================================
   HERO SECTION
   ========================================== */

.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255,255,255,0.03) 50px, rgba(255,255,255,0.03) 51px),
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255,255,255,0.03) 50px, rgba(255,255,255,0.03) 51px);
    opacity: 0.5;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 58, 82, 0.75);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--light-grey);
}

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

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--white);
    border-color: var(--accent-orange);
}

.btn-primary:hover {
    background: #c16629;
    border-color: #c16629;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(217, 118, 54, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

/* ==========================================
   SECTION STYLES
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: 15px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--accent-orange);
    margin: 0 auto;
    border-radius: 2px;
}

.section-description {
    font-size: 18px;
    color: var(--text-medium);
    margin-top: 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about-section {
    padding: var(--section-padding);
    background: var(--white);
}

.about-image-banner {
    width: 100%;
    margin-bottom: 50px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.about-image-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 500px;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 24px;
    color: var(--primary-navy);
    margin-bottom: 15px;
    margin-top: 30px;
    font-weight: 600;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.stat-box {
    background: var(--off-white);
    padding: 30px;
    text-align: center;
    border-left: 4px solid var(--accent-orange);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-box:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-medium);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================
   CLIENTS SECTION
   ========================================== */

.clients-section {
    padding: var(--section-padding);
    background: var(--off-white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 10px;
}

.client-card {
    background: var(--white);
    padding: 35px 25px;
    text-align: center;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    position: relative;
    overflow: hidden;
}

.client-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(217, 118, 54, 0.1), transparent);
    transition: left 0.5s ease;
}

.client-card:hover::before {
    left: 100%;
}

.client-card:hover {
    border-color: var(--accent-orange);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.client-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-navy);
    line-height: 1.4;
    letter-spacing: 0.3px;
}

.client-location {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-medium);
    margin-top: 5px;
    letter-spacing: 0.2px;
}

/* ==========================================
   PRODUCTS SECTION
   ========================================== */

.products-section {
    padding: var(--section-padding);
    background: var(--off-white);
}

.product-category {
    margin-bottom: 50px;
}

.product-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--accent-orange);
    display: inline-block;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.product-item {
    background: var(--white);
    padding: 20px 25px;
    border-radius: 4px;
    border-left: 3px solid var(--steel-grey);
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.product-item:hover {
    border-left-color: var(--accent-orange);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   WHY CHOOSE US SECTION
   ========================================== */

.why-us-section {
    padding: var(--section-padding);
    background: var(--white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.why-us-card {
    padding: 35px;
    background: var(--off-white);
    border-radius: 6px;
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.why-us-card:hover {
    border-top-color: var(--accent-orange);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

.icon-box {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-navy);
    transition: all 0.3s ease;
}

.why-us-card:hover .icon-box {
    color: var(--accent-orange);
    transform: scale(1.1);
}

.why-us-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 15px;
    line-height: 1.4;
}

.why-us-card p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ==========================================
   INDUSTRIES SECTION
   ========================================== */

.industries-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.industries-section .section-title {
    color: var(--white);
}

.industries-section .section-description {
    color: var(--light-grey);
}

.industries-image {
    width: 100%;
    margin-bottom: 50px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.industries-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 450px;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.industry-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px 30px;
    border-radius: 6px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.industry-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.industry-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    transition: all 0.3s ease;
}

.industry-card:hover .industry-icon {
    transform: scale(1.15);
    color: var(--white);
}

.industry-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--white);
}

.industry-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--light-grey);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-section {
    padding: var(--section-padding);
    background: var(--off-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 40px;
}

.contact-info h3 {
    font-size: 26px;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 30px;
}

.contact-item {
    margin-bottom: 30px;
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.7;
}

.contact-form-wrapper h3 {
    font-size: 26px;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 30px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: var(--font-primary);
    color: var(--text-dark);
    background: var(--off-white);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-orange);
    background: var(--white);
}

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

.btn-submit {
    width: 100%;
    margin-top: 10px;
}

/* ==========================================
   FOOTER
   ========================================== */

.site-footer {
    background: var(--primary-navy);
    color: var(--light-grey);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 12px;
}

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

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

.footer-col ul li a {
    color: var(--light-grey);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--accent-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--light-grey);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 992px) {
    .nav-menu {
        gap: 20px;
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .about-image-banner img,
    .industries-image img {
        max-height: 400px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .main-nav {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .logo-image {
        height: 60px;
    }
    
    .hero-section {
        padding: 80px 0;
        min-height: 500px;
    }
    
    .hero-video {
        min-width: 100%;
        width: 100%;
        height: 100%;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 50px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        text-align: center;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .contact-form {
        padding: 25px;
    }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* Print Styles */
@media print {
    .site-header,
    .hero-buttons,
    .contact-form,
    .site-footer {
        display: none;
    }
}