:root {
    /* Colors */
    --primary-blue: #0B1D33;
    --primary-blue-light: #132D4E;
    --accent-gold: #D4AF37;
    --accent-gold-hover: #C5A059;
    --text-main: #334155;
    --text-light: #94A3B8;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-family: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-blue);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

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

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--primary-blue);
    color: var(--white);
}

.bg-dark h2, .bg-dark h3, .bg-dark h4 {
    color: var(--white);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

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

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

.w-100 {
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

input, select, textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #E2E8F0;
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(11, 29, 51, 0.1);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.05); /* initial transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: none;
}

.header.scrolled .logo h1 {
    color: var(--primary-blue);
}

.header.scrolled .nav-links a {
    color: var(--text-main);
}

.header.scrolled .header-phone {
    color: var(--primary-blue);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo span {
    font-size: 1rem;
    color: var(--accent-gold);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-gold);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-phone {
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.header:not(.scrolled) .mobile-menu-btn {
    color: var(--white);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--white);
    z-index: 1001;
    padding: 100px 40px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
}

.mobile-nav-overlay.open {
    right: 0;
}

.close-menu-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--primary-blue);
    cursor: pointer;
}

.mobile-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-links a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding-top: 90px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(11, 29, 51, 0.95) 0%, rgba(11, 29, 51, 0.7) 50%, rgba(11, 29, 51, 0.4) 100%);
}

.hero-content {
    color: var(--white);
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4.5rem;
    color: var(--white);
    margin-bottom: 24px;
}

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

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

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

/* Section Title */
.section-title {
    margin-bottom: 48px;
}

.section-title .subtitle {
    display: block;
    color: var(--accent-gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title h2 {
    font-size: 2.8rem;
}

.bg-dark .subtitle {
    color: var(--accent-gold);
}

.text-center.section-title h2 {
    margin: 0 auto;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.experience-badge .number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.experience-badge .text {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 32px;
}

.about-list {
    margin-bottom: 32px;
}

.about-list li {
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 1.1rem;
}

.about-list li i {
    color: var(--accent-gold);
    font-size: 1.25rem;
    margin-top: 4px;
}

.trust-statement {
    padding: 24px;
    background-color: var(--bg-light);
    border-left: 4px solid var(--primary-blue);
    font-size: 1.2rem;
    font-weight: 500;
    font-style: italic;
    color: var(--primary-blue);
    margin-bottom: 32px;
}

.director-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.director-info strong {
    font-size: 1.2rem;
    color: var(--primary-blue);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid #E2E8F0;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-gold);
}

.service-img {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.massive-icon {
    font-size: 5rem;
    color: var(--accent-gold);
    opacity: 0.8;
}

.service-content {
    padding: 40px 32px 32px;
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.icon-box {
    position: absolute;
    top: -30px;
    left: 32px;
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(11, 29, 51, 0.2);
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-content p {
    color: var(--text-light);
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-promise {
    font-weight: 600;
    color: var(--primary-blue) !important;
    margin-bottom: 0 !important;
    border-top: 1px solid #E2E8F0;
    padding-top: 16px;
}

/* Why Choose Us */
.why-us-wrapper {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 60px;
    align-items: center;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-item i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--text-light);
}

/* Why Us Form */
.form-card {
    background-color: var(--primary-blue);
    padding: 40px;
    border-radius: 8px;
    color: var(--white);
    box-shadow: 0 20px 40px rgba(11, 29, 51, 0.2);
}

.form-card h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.form-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

/* Industries */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.industry-card {
    background-color: var(--primary-blue-light);
    padding: 48px 32px;
    text-align: center;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.industry-card:hover {
    transform: translateY(-10px);
    background-color: var(--primary-blue);
    border-color: var(--accent-gold);
}

.industry-card i {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 24px;
}

.industry-card h4 {
    font-size: 1.25rem;
}

/* Footer & Contact Section */
.footer {
    background-color: var(--primary-blue-light);
    color: var(--white);
    padding-top: 80px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info h2 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 16px;
}

.footer-info h2 span {
    color: var(--accent-gold);
    display: block;
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-info > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    max-width: 400px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.contact-item i {
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-top: 4px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
}

.footer-links h3, .footer-map h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 8px;
}

.footer-bottom {
    background-color: var(--primary-blue);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Floating UI */
.whatsapp-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-sticky:hover {
    transform: scale(1.1);
}

/* Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 29, 51, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.popup-content {
    background-color: var(--white);
    width: 100%;
    max-width: 500px;
    padding: 40px;
    border-radius: 8px;
    position: relative;
    transform: translateY(20px);
    transition: var(--transition);
}

.popup-overlay.active .popup-content {
    transform: translateY(0);
}

.close-popup {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
}

.popup-content h3 {
    margin-bottom: 8px;
    font-size: 1.8rem;
}

.popup-content > p {
    color: var(--text-light);
    margin-bottom: 24px;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid, .why-us-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .experience-badge {
        bottom: 20px;
        right: 20px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links, .header-phone, .navbar .btn-primary {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .popup-content {
        padding: 30px;
        margin: 20px;
    }
}

/* --- Internal Pages Styles --- */
.page-header { background: linear-gradient(90deg, rgba(11,29,51,0.92) 0%, rgba(19,45,78,0.88) 100%), url('../images/hero_industrial_bg.png') center/cover; padding: 150px 0 80px; text-align: center; color: var(--white); position: relative; border-bottom: 4px solid var(--accent-gold); }
.page-header h1 { font-size: 3.5rem; color: var(--white); margin-bottom: 16px; text-shadow: 0 4px 20px rgba(0,0,0,0.5); }
.breadcrumb { font-size: 1.1rem; color: var(--accent-gold); }
.breadcrumb a { color: rgba(255,255,255,0.7); margin-right: 8px; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { margin: 0 8px; color: rgba(255,255,255,0.5); }
.service-details { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; }
.service-content-main h2 { margin-bottom: 24px; font-size: 2.5rem; }
.service-content-main p { font-size: 1.1rem; color: var(--text-main); margin-bottom: 24px; }
.service-features { margin: 32px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.service-features li { display: flex; align-items: center; gap: 12px; font-size: 1.1rem; font-weight: 500; background: var(--bg-light); padding: 16px; border-radius: 8px; border-left: 4px solid var(--accent-gold); }
.service-features li i { color: var(--accent-gold); font-size: 1.25rem; }
.sidebar-widget { background: var(--bg-light); padding: 32px; border-radius: 8px; margin-bottom: 30px; border: 1px solid #E2E8F0; }
.sidebar-widget h3 { margin-bottom: 20px; font-size: 1.5rem; border-bottom: 2px solid var(--accent-gold); padding-bottom: 10px; display: inline-block; }
.sidebar-list li a { display: block; padding: 12px 16px; color: var(--text-main); font-weight: 500; border-radius: 4px; margin-bottom: 8px; background: var(--white); transition: var(--transition); border: 1px solid #E2E8F0; }
.sidebar-list li a:hover, .sidebar-list li a.active { background: var(--primary-blue); color: var(--white); border-color: var(--primary-blue); padding-left: 24px; }
.sidebar-contact { background: var(--primary-blue); color: var(--white); text-align: center; padding: 40px 32px; border-radius: 8px; }
.sidebar-contact h3 { color: var(--white); border-color: rgba(255,255,255,0.2); }
.sidebar-contact i { font-size: 3rem; color: var(--accent-gold); margin-bottom: 20px; }
.sidebar-contact p { color: rgba(255,255,255,0.8); margin-bottom: 24px; }
@media (max-width: 991px) { .service-details { grid-template-columns: 1fr; } }