/* ====================================
   ULTRASWAGE - INDUSTRIAL ENGINEERING
   Deep Ocean Blue Theme
   ==================================== */

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

:root {
    /* Primary Colors */
    --deep-ocean-blue: #003D5B;
    --ocean-blue-dark: #002838;
    --ocean-blue-light: #005577;
    
    /* Secondary Colors */
    --steel-grey: #4A5568;
    --steel-grey-light: #718096;
    --light-grey: #E2E8F0;
    --white: #FFFFFF;
    --off-white: #F7FAFC;
    
    /* Accent Colors */
    --teal-accent: #2C7A7B;
    --industrial-orange: #DD6B20;
    
    /* Text Colors */
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-light: #718096;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

a {
    color: var(--deep-ocean-blue);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--ocean-blue-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--deep-ocean-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--ocean-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 61, 91, 0.3);
}

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

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

.btn-light {
    background-color: var(--white);
    color: var(--deep-ocean-blue);
}

.btn-light:hover {
    background-color: var(--light-grey);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

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

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    min-height: 90px;
}

.logo {
    flex-shrink: 0;
}

.logo h1 {
    font-size: var(--font-size-2xl);
    color: var(--deep-ocean-blue);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 2px;
}

.logo .tagline {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--steel-grey);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: -4px;
}

.nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-list li a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: 0.75rem 1rem;
    position: relative;
    display: inline-block;
    transition: var(--transition);
}

.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: var(--deep-ocean-blue);
    transition: var(--transition);
}

.nav-list li a:hover::after,
.nav-list li a.active::after {
    width: 80%;
}

.nav-list li a:hover {
    color: var(--deep-ocean-blue);
}

.nav-list li a.active {
    color: var(--deep-ocean-blue);
    font-weight: 600;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--deep-ocean-blue);
    border-radius: 2px;
    transition: var(--transition);
}

/* ====================================
   RESPONSIVE HEADER
   ==================================== */

@media (max-width: 968px) {
    .nav-list {
        gap: var(--spacing-md);
    }
    
    .nav-list li a {
        padding: 0.75rem 0.75rem;
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 768px) {
    .header-content {
        min-height: 70px;
        padding: var(--spacing-sm) 0;
    }
    
    /* Navigation */
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        transition: var(--transition);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        justify-content: flex-start;
        padding-top: var(--spacing-md);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        width: 100%;
    }
    
    .nav-list li {
        border-bottom: 1px solid var(--light-grey);
        width: 100%;
    }
    
    .nav-list li a {
        display: block;
        padding: var(--spacing-sm) 0;
        width: 100%;
        font-size: var(--font-size-base);
    }
    
    .nav-list li a::after {
        left: 0;
        transform: none;
        bottom: -1px;
    }
    
    .menu-toggle {
        display: flex;
    }
}

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

.hero {
    position: relative;
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-dark) 100%);
    background-image: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0, 40, 56, 0.85) 0%, rgba(0, 40, 56, 0.4) 60%, transparent 100%);
    /* background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255,255,255,0.03) 2px, rgba(255,255,255,0.03) 4px),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.03) 2px, rgba(255,255,255,0.03) 4px);
    opacity: 0.5; */
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(44, 122, 123, 0.15) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ====================================
   PAGE HEADER
   ==================================== */

.page-header {
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-dark) 100%);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
}

/* ====================================
   SECTIONS
   ==================================== */

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

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

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

/* ====================================
   SERVICES GRID - WITH HOVER HIGHLIGHTS
   ==================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-md);
    background-color: rgba(0, 61, 91, 0.04);  /* Default light blue tint */
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    background-color: rgba(0, 61, 91, 0.25); /* Teal accent on hover */
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.15);
    border-color: var(--teal-accent);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(0, 61, 91, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--deep-ocean-blue);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--teal-accent);
    color: var(--white);
    transform: scale(1.1);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--deep-ocean-blue);
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--teal-accent);
}

.service-card p {
    transition: var(--transition);
}

.service-card:hover p {
    color: var(--text-primary);
}

/* ====================================
   4-COLUMN PRODUCT CAROUSEL
   ==================================== */

.product-carousel-section {
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-dark) 100%);
    overflow: hidden;
}

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

.product-carousel-section .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.carousel-container-multi {
    position: relative;
    max-width: 1200px;
    margin: var(--spacing-lg) auto 0;
    padding: 0 70px;
}

.carousel-wrapper-multi {
    overflow: hidden;
    border-radius: 12px;
}

.carousel-track-multi {
    display: flex;
    gap: var(--spacing-md);
    transition: transform 0.5s ease-in-out;
}

.carousel-slide-multi {
    min-width: calc(25% - var(--spacing-md) * 3 / 4);
    flex-shrink: 0;
}

.carousel-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    height: 100%;
}

.carousel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.carousel-card-image {
    width: 100%;
    height: 220px;
    background-color: var(--off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.carousel-card-caption {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--ocean-blue-light) 0%, var(--teal-accent) 100%);
    text-align: center;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-card-caption h4 {
    color: var(--white);
    font-size: var(--font-size-base);
    margin: 0;
    line-height: 1.3;
}

/* Carousel Navigation Buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--white);
    color: var(--deep-ocean-blue);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.carousel-btn:hover {
    background: var(--light-grey);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.carousel-prev-multi {
    left: 10px;
}

.carousel-next-multi {
    right: 10px;
}

/* Carousel Indicators */
.carousel-indicators-multi {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: var(--spacing-lg);
}

.carousel-indicator-multi {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    border: 2px solid var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-indicator-multi.active {
    background-color: var(--white);
    transform: scale(1.2);
}

.carousel-indicator-multi:hover {
    background-color: rgba(255, 255, 255, 0.7);
}

/* CTA Button */
.carousel-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.carousel-cta .btn-primary {
    background-color: var(--white);
    color: var(--deep-ocean-blue);
}

.carousel-cta .btn-primary:hover {
    background-color: var(--light-grey);
    color: var(--deep-ocean-blue);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .carousel-slide-multi {
        min-width: calc(33.333% - var(--spacing-md) * 2 / 3);
    }
}

@media (max-width: 768px) {
    .carousel-container-multi {
        padding: 0 60px;
    }
    
    .carousel-slide-multi {
        min-width: calc(50% - var(--spacing-md) / 2);
    }
    
    .carousel-card-image {
        height: 180px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
    
    .carousel-card-caption h4 {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .carousel-container-multi {
        padding: 0 50px;
    }
    
    .carousel-slide-multi {
        min-width: calc(100% - var(--spacing-sm));
    }
    
    .carousel-card-image {
        height: 200px;
    }
    
    .carousel-btn {
        width: 35px;
        height: 35px;
    }
    
    .carousel-prev-multi {
        left: 5px;
    }
    
    .carousel-next-multi {
        right: 5px;
    }
}

/* ====================================
   INDUSTRIES GRID - TWO ROWS
   ==================================== */

.industries-grid-large {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.industry-item {
    padding: var(--spacing-lg);
    background-color: var(--white);
    border: 2px solid var(--light-grey);
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
}

.industry-item:hover {
    border-color: var(--deep-ocean-blue);
    background-color: rgba(0, 61, 91, 0.05);
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 61, 91, 0.15);
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.industry-item h4 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .industries-grid-large {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .industries-grid-large {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .industries-grid-large {
        grid-template-columns: 1fr;
    }
}

/* ====================================
   FEATURES GRID - WHY CHOOSE ULTRASWAGE
   ==================================== */

.why-choose {
    background: linear-gradient(135deg, rgba(0, 61, 91, 0.06) 0%, rgba(0, 87, 119, 0.08) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(0, 61, 91, 0.04) 100%);
    border-left: 4px solid var(--deep-ocean-blue);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 61, 91, 0.08), transparent);
    transition: left 0.5s ease;
}

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

.feature-card:hover {
    transform: translateX(8px) translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(0, 61, 91, 0.12) 100%);
    border-left-width: 6px;
    border-left-color: var(--ocean-blue-light);
}

.feature-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: rgba(0, 61, 91, 0.12);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.feature-card:hover .feature-number {
    color: rgba(0, 61, 91, 0.25);
    transform: scale(1.1);
}

.feature-card h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.feature-card:hover h3 {
    color: var(--ocean-blue-light);
}

.feature-card p {
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.feature-card:hover p {
    color: var(--text-primary);
}

/* ====================================
   CTA SECTION
   ==================================== */

.cta-section {
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

/* ====================================
   ABOUT PAGE
   ==================================== */

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.content-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.content-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-box {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-light) 100%);
    color: var(--white);
    border-radius: 8px;
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.mission-box,
.vision-box {
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.icon-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.mission-box h2,
.vision-box h2 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-md);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.quality-item {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: 8px;
    border: 1px solid var(--light-grey);
}

.quality-item h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.team-card {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.15);
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--white);
}

.team-role {
    color: var(--steel-grey);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.certificate-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.certificate-card:hover {
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.15);
}

.certificate-card img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background-color: var(--off-white);
    padding: var(--spacing-sm);
}

.certificate-info {
    padding: var(--spacing-md);
}

.certificate-info h4 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-xs);
}

.certificate-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ====================================
   MISSION & VISION - HOVER EFFECTS
   ==================================== */

.mission-box,
.vision-box {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(0, 61, 91, 0.04) 100%);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.mission-box::before,
.vision-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 61, 91, 0.06), transparent);
    transition: left 0.5s ease;
}

.mission-box:hover::before,
.vision-box:hover::before {
    left: 100%;
}

.mission-box:hover,
.vision-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(0, 61, 91, 0.1) 100%);
    border-color: var(--deep-ocean-blue);
}

.icon-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.mission-box:hover .icon-large,
.vision-box:hover .icon-large {
    transform: scale(1.15) rotate(5deg);
}

.mission-box h2,
.vision-box h2 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.mission-box:hover h2,
.vision-box:hover h2 {
    color: var(--ocean-blue-light);
}

/* ====================================
   QUALITY COMMITMENT - HOVER EFFECTS
   ==================================== */

.quality-item {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(0, 61, 91, 0.03) 100%);
    border-radius: 8px;
    border: 2px solid var(--light-grey);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.quality-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 61, 91, 0.05), transparent);
    transition: left 0.5s ease;
}

.quality-item:hover::before {
    left: 100%;
}

.quality-item:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(0, 61, 91, 0.1) 100%);
    border-color: var(--deep-ocean-blue);
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 61, 91, 0.15);
}

.quality-item h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.quality-item:hover h3 {
    color: var(--ocean-blue-light);
}

.quality-item p {
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.quality-item:hover p {
    color: var(--text-primary);
}

/* ====================================
   CERTIFICATES - LIGHTBOX
   ==================================== */

.certificate-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    cursor: pointer;
}

.certificate-card:hover {
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.15);
    transform: translateY(-5px);
}

.certificate-card img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background-color: var(--off-white);
    padding: var(--spacing-sm);
    transition: var(--transition);
}

.certificate-card:hover img {
    transform: scale(1.05);
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: zoomIn 0.3s ease;
}

.lightbox-content img {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    line-height: 1;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--light-grey);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 48px;
    font-weight: bold;
    cursor: pointer;
    background: rgba(0, 61, 91, 0.7);
    border: none;
    padding: 20px;
    border-radius: 4px;
    transition: var(--transition);
    user-select: none;
}

.lightbox-nav:hover {
    background: rgba(0, 61, 91, 0.9);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-caption {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--white);
    font-size: var(--font-size-lg);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.8); }
    to { transform: scale(1); }
}

/* Mobile responsiveness for lightbox */
@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 10px;
        font-size: 32px;
    }
    
    .lightbox-nav {
        font-size: 32px;
        padding: 15px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}

/* ====================================
   PRODUCTS PAGE
   ==================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.15);
}

.product-image {
    height: 250px;
    overflow: hidden;
    background-color: var(--off-white);
}

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

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: var(--spacing-md);
}

.product-info h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.product-specs {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.product-specs li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-grey);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.product-specs li:last-child {
    border-bottom: none;
}

.skid-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: start;
}

.skid-image-large {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.skid-image-large img {
    width: 100%;
    height: auto;
    display: block;
}

.skid-content h3,
.skid-content h4 {
    color: var(--deep-ocean-blue);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.skid-content h3 {
    margin-top: 0;
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--deep-ocean-blue);
    font-weight: 700;
}

.sealing-info {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--off-white);
    border-radius: 8px;
    text-align: center;
}

.sealing-info h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-md);
}

.sealing-info p {
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ====================================
   ROADMAP PAGE
   ==================================== */

.roadmap-intro {
    max-width: 900px;
    margin: 0 auto;
}

.roadmap-timeline {
    max-width: 900px;
    margin: var(--spacing-lg) auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--light-grey);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--deep-ocean-blue) 0%, var(--ocean-blue-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.timeline-content {
    padding-top: var(--spacing-xs);
}

.timeline-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--teal-accent);
    color: var(--white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.timeline-content h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.timeline-features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.timeline-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.timeline-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--deep-ocean-blue);
    font-weight: 700;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.focus-card {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
}

.focus-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 61, 91, 0.15);
}

.focus-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.focus-card h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.commitment-section {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.commitment-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.commitment-box {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: 8px;
    border: 2px solid var(--light-grey);
}

.commitment-box h4 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

/* ====================================
   CONTACT PAGE
   ==================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info-section h2 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin: var(--spacing-lg) 0;
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(0, 61, 91, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--deep-ocean-blue);
    flex-shrink: 0;
}

.contact-text h4 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-xs);
}

.contact-text p {
    margin: 0;
}

.quick-contact {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--off-white);
    border-radius: 8px;
}

.quick-contact h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.quick-contact p {
    margin-bottom: var(--spacing-md);
}

.form-container {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.form-container h2 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--light-grey);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

.enquiry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.enquiry-card {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.enquiry-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.enquiry-card h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.map-section {
    padding-bottom: 0;
}

.map-container {
    margin-top: var(--spacing-lg);
    border-radius: 8px;
    overflow: hidden;
}

.map-placeholder {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, var(--light-grey) 0%, var(--off-white) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-overlay {
    text-align: center;
    padding: var(--spacing-lg);
}

.map-overlay svg {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-md);
}

.map-overlay h3 {
    color: var(--deep-ocean-blue);
    margin-bottom: var(--spacing-sm);
}

.map-overlay p {
    margin-bottom: var(--spacing-md);
}

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

.footer {
    background-color: var(--ocean-blue-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-col h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

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

@media (max-width: 768px) {
    /* Navigation */
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        transition: var(--transition);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }
    
    .nav-list li {
        border-bottom: 1px solid var(--light-grey);
    }
    
    .nav-list li a {
        display: block;
        padding: var(--spacing-sm) 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Hero */
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    /* Grids */
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .skid-showcase {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-sm);
    }
    
    .timeline-icon {
        width: 60px;
        height: 60px;
    }
    
    .timeline-icon svg {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
}