/* ===================================
   Madhav Engineering Works - Styles
   Modern Industrial Design System
   =================================== */

/* === CSS Custom Properties === */
:root {
    /* Colors */
    --primary-blue: #0D2A52;
    --secondary-navy: #6D6E71;
    --light-gray: #E6E6E6;
    --white: #FFFFFF;
    --text-dark: #000000;
    --text-light: #666666;
    --accent-blue: #000000;
    --gradient-start: #0D2A52;
    --gradient-end: #6D6E71;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Roboto', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-navy);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

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

/* === Header & Navigation === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    transition: transform var(--transition-fast);
}

.logo-container:hover {
    transform: translateY(-2px);
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: all var(--transition-fast);
    position: relative;
    text-decoration: none;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-fast);
}

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

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

.nav-menu a.active {
    color: var(--primary-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13, 44, 69, 0.85), rgba(26, 77, 122, 0.75)),
        url('hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.1), transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--primary-blue));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

/* === Container & Sections === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}

/* === Engineering Excellence Section === */
.excellence-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.excellence-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(26, 77, 122, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.excellence-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.excellence-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.excellence-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(26, 77, 122, 0.3);
    animation: fadeInDown 0.8s ease-out;
}

.badge-icon {
    font-size: 1.2rem;
    margin-right: 0.3rem;
}

.excellence-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.title-main {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -1px;
}

.title-sub {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--secondary-navy);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.title-underline {
    width: 120px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue), var(--primary-blue));
    margin: var(--spacing-md) auto 0;
    border-radius: 3px;
    position: relative;
    animation: expandWidth 1s ease-out 0.5s both;
}

.title-underline::before,
.title-underline::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
}

.title-underline::before {
    left: -20px;
}

.title-underline::after {
    right: -20px;
}

@keyframes expandWidth {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 120px;
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.excellence-content {
    max-width: 1000px;
    margin: 0 auto;
}

.excellence-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    line-height: 1.9;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
    font-weight: 400;
    letter-spacing: 0.3px;
}

/* === Highlights Grid === */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.highlights-grid-four {
    grid-template-columns: 1fr;
}

.highlight-card.horizontal {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
}

.highlight-card.horizontal .highlight-icon {
    margin: 0;
}

.highlight-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(26, 77, 122, 0.15);
    border-color: rgba(26, 77, 122, 0.2);
}

.highlight-icon {
    display: inline-flex;
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.1), rgba(37, 99, 235, 0.1));
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all var(--transition-normal);
    border: 3px solid rgba(26, 77, 122, 0.1);
    color: var(--primary-blue);
}

.highlight-icon i {
    font-size: 2rem;
}

.highlight-card:hover .highlight-icon {
    /* Hover effects removed as per user request */
}

.highlight-card h3 {
    color: var(--secondary-navy);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    font-weight: 700;
    transition: color var(--transition-normal);
}

.highlight-card:hover h3 {
    color: var(--primary-blue);
}

.highlight-card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* === Product Categories === */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.category-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.category-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-navy));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.category-image i {
    font-size: 3rem;
    z-index: 2;
    position: relative;
}

/* Category Image with Product Image */
.category-image-with-img {
    background: var(--white);
    padding: 0;
}

.category-image-with-img .product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all var(--transition-normal);
}

.category-image-with-img .image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.85), rgba(13, 44, 69, 0.85));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

.category-image-with-img .image-overlay i {
    font-size: 3rem;
    color: var(--white);
    transform: scale(0.8);
    transition: all var(--transition-normal);
}

.category-card:hover .category-image-with-img .image-overlay {
    opacity: 1;
}

.category-card:hover .category-image-with-img .image-overlay i {
    transform: scale(1);
}

.category-card:hover .category-image-with-img .product-img {
    transform: scale(1.1);
}

.category-image::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-slow);
}

.category-card:hover .category-image::after {
    width: 300px;
    height: 300px;
}

.capabilities-section {
    background: #f8fafc;
}

.capabilities-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.capabilities-header p {
    color: var(--text-dark);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.capability-card {
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(26, 77, 122, 0.08);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.capability-icon {
    display: inline-flex;
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.1), rgba(37, 99, 235, 0.1));
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    border: 2px solid rgba(26, 77, 122, 0.1);
    color: var(--primary-blue);
}

.capability-card:hover .capability-icon {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    transform: scale(1.1) rotate(5deg);
    border-color: transparent;
    box-shadow: 0 6px 15px rgba(26, 77, 122, 0.3);
    color: var(--white);
}

.capability-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-navy);
}

.capability-card p {
    margin: 0;
    color: var(--text-light);
}

.capability-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.process-section {
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.08), rgba(37, 99, 235, 0.08));
}

.process-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.process-content p {
    color: var(--text-dark);
}

.process-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.process-list li {
    background: var(--white);
    padding: var(--spacing-sm);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-dark);
}

.process-list span {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.process-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

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

.stat-card p {
    margin: 0;
    color: var(--text-dark);
}

.category-content {
    padding: var(--spacing-md);
}

.category-content h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* === Products Page === */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.product-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-item:hover::before {
    opacity: 1;
}

.product-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.product-item h3 {
    font-size: 1.1rem;
    color: var(--secondary-navy);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.product-item h3::before {
    content: '\f013';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-right: 0.5rem;
}

/* Product Item with Image */
.product-item-with-image {
    padding: 0;
    border-left: none;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-item-with-image .product-image-wrapper {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa, var(--light-gray));
    position: relative;
}

.product-item-with-image .product-item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all var(--transition-normal);
}

.product-item-with-image:hover .product-item-img {
    transform: scale(1.1);
}

.product-item-with-image .product-item-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-item-with-image h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.product-item-with-image h3::before {
    display: none;
}

.product-item-with-image:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-item-with-image::before {
    display: none;
}

/* === About Page === */
.about-section {
    background: var(--white);
}

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

.about-card {
    background: linear-gradient(135deg, #f8f9fa, var(--light-gray));
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.about-card h3::before {
    content: '▸';
    font-size: 1.5rem;
}

.about-card p {
    font-size: 1.05rem;
    line-height: 1.7;
}

.address-card {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.address-card h3 {
    color: var(--white);
}

.address-card h3::before {
    content: '\f3c5';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-right: 0.5rem;
}

.address-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* === Contact Page === */
.contact-section {
    background: linear-gradient(135deg, #f8f9fa, var(--light-gray));
}

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

.contact-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(26, 77, 122, 0.1);
}

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

.contact-info {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* === Footer === */
.footer {
    background: linear-gradient(135deg, var(--secondary-navy), var(--primary-blue));
    color: var(--white);
    margin-top: var(--spacing-xl);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

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

.footer-subtitle {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-logo img {
    width: 180px;
    height: auto;
    background: rgba(255, 255, 255, 0.2);
    padding: 10px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.footer-brand-text {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--white);
}

.footer-links-list,
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.footer-contact li {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.footer-contact i {
    margin-right: 0.5rem;
    color: var(--white);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-weight: 600;
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-md);
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
}

.footer-credit-link {
    color: var(--white);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-credit-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
    }

    .footer-columns {
        grid-template-columns: 1fr;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

/* === Responsive Design === */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: 80vh;
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }

    .categories-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    /* Home page specific mobile enhancements */
    .hero {
        padding: var(--spacing-md) var(--spacing-sm);
        min-height: 70vh;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.3rem);
    }

    .excellence-header {
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-lg);
    }

    .title-main {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .title-sub {
        font-size: clamp(1.2rem, 4vw, 2rem);
    }

    .excellence-description {
        padding: 0 var(--spacing-sm);
        font-size: clamp(1rem, 3vw, 1.2rem);
    }

    .highlights-grid-four {
        gap: var(--spacing-sm);
    }

    .highlight-card.horizontal {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .categories-grid {
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .category-card {
        border-radius: 12px;
    }

    .category-content {
        padding: var(--spacing-sm);
    }

    .capabilities-grid {
        gap: var(--spacing-sm);
    }

    .capability-card {
        padding: var(--spacing-md);
    }

    .process-container {
        gap: var(--spacing-md);
    }

    .process-list {
        gap: var(--spacing-xs);
    }

    .process-stats {
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-card h3 {
        font-size: 2rem;
    }
}

/* === Skeleton Loading === */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.skeleton-content {
    padding: var(--spacing-md);
}

.skeleton-title {
    height: 24px;
    width: 70%;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text {
    height: 16px;
    width: 100%;
    margin-bottom: var(--spacing-xs);
}

.skeleton-text:last-child {
    width: 60%;
}

/* Hide skeleton after loading */
.loaded .skeleton-card {
    display: none;
}

.loaded .category-card,
.loaded .product-item {
    display: block;
}

/* === Utility Classes === */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}