/* ========================================
   TOWER ALUMINIUM ROOFING - STYLES
   Premium Corporate Website Styles
   ======================================== */

/* 1. CSS Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden; /* Prevent horizontal scroll on html */
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--neutral-900);
    background-color: var(--bg);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw; /* Ensure body doesn't exceed viewport width */
}

/* 2. CSS Custom Properties */
:root {
    /* Colors */
    --primary: #FF6B00;
    --accent: #C62828;
    --neutral-900: #101316;
    --neutral-600: #6B7280;
    --neutral-100: #F9FAFB;
    --bg: #ffffff;
    --gradient-primary: linear-gradient(135deg, #F57C00 0%, #FF9800 100%);
    --gradient-accent: linear-gradient(135deg, #C62828 0%, #D32F2F 100%);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 2rem);
    --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.5rem);
    --font-size-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 3.5rem);
    --font-size-4xl: clamp(2.25rem, 1.8rem + 2.25vw, 4.5rem);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* 3. Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

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(--space-sm);
    color: var(--neutral-600);
    font-size: var(--font-size-base);
}

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

a:hover {
    color: var(--accent);
}

/* 4. Layout Components */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    margin-bottom: var(--space-sm);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4rem;
    height: 0.25rem;
    background: var(--gradient-primary);
    border-radius: 0.125rem;
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
}

/* 5. UI Components */

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: var(--z-tooltip);
    border-radius: var(--border-radius);
}

.skip-link:focus {
    top: 6px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background: var(--neutral-100);
    transform: translateY(-2px);
    color: var(--primary);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline-white:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    stroke-width: 2;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--neutral-900);
}

.logo img {
    height: 2.5rem;
    width: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: none;
    -webkit-filter: none;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

.nav-link {
    font-weight: 500;
    color: var(--neutral-900);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mobile-menu-toggle {
    display: none;
    background: white;
    border: 2px solid var(--primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    padding: var(--space-sm);
    position: relative;
    z-index: 1001;
    min-width: 44px;
    min-height: 44px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* FORCE mobile menu toggle to be visible */
@media (max-width: 1200px) {
    .mobile-menu-toggle {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 1001 !important;
        background: white !important;
        border: 2px solid var(--primary) !important;
        border-radius: var(--border-radius) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    }
}

/* Show mobile menu toggle on all mobile devices */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 1001 !important;
    }
}

/* Force visibility on smaller screens */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 1001 !important;
        background: white !important;
        border: 2px solid var(--primary) !important;
        border-radius: var(--border-radius) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    }
}

.mobile-menu-toggle svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke: var(--neutral-900);
    transition: opacity 0.3s ease;
}

.mobile-menu-toggle .close-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-icon {
    opacity: 0;
}

.mobile-menu-toggle.active .close-icon {
    opacity: 1;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 40px; /* Account for fixed header */
}

/* Desktop hero padding - prevent overlap with header */
@media (min-width: 1025px) {
    .hero {
        padding-top: 80px; /* More space for desktop header */
    }
    
    .hero-content {
        padding-top: 20px; /* Additional desktop spacing */
    }
}

/* Large desktop screens */
@media (min-width: 1440px) {
    .hero {
        padding-top: 100px; /* Even more space for large desktop */
    }
    
    .hero-content {
        padding-top: 30px; /* Additional large desktop spacing */
    }
}

/* Responsive Images - Optimized for Clarity */
img {
    max-width: 100%;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: optimize-contrast;
    -ms-interpolation-mode: nearest-neighbor;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.hero-bg-image,
.service-image img,
.story-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    object-position: center;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: none;
    -webkit-filter: none;
}

/* Responsive Video */
video {
    max-width: 100%;
    height: auto;
}

/* Image Quality Optimization */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* High-DPI Display Optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Prevent image blur on hover effects */
.service-card:hover .service-image img,
.project-card:hover .project-image img {
    transform: scale(1.05);
    filter: none !important;
    -webkit-filter: none !important;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.85) 0%, rgba(21, 101, 192, 0.75) 50%, rgba(0, 0, 0, 0.4) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding-top: 5px; /* Additional spacing from header */
}

.hero-text {
    max-width: 600px;
    color: white;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.title-line {
    display: block;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.title-line.accent {
    color: #FFD700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
    opacity: 0.95;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

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

.trust-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #FFD700;
}

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







/* Trust Bar */
.trust-bar {
    padding: var(--space-2xl) 0;
    background: var(--neutral-100);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.trust-card {
    text-align: center;
    padding: var(--space-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.trust-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto var(--space-sm);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.trust-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 2;
}

.trust-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
    color: var(--neutral-900);
}

.trust-card p {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
}

/* Services Preview */
.services-preview {
    padding: var(--space-3xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.service-card {
    background: white;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

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

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: none;
    -webkit-filter: none;
}

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

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 76, 129, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-content {
    padding: var(--space-lg);
}

.service-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

.service-content p {
    margin-bottom: var(--space-md);
    color: var(--neutral-600);
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 600;
}

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

/* Why Choose Us */
.why-choose-us {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-icon svg {
    width: 2rem;
    height: 2rem;
    stroke-width: 2;
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

.feature-card p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Projects Gallery */
.projects-gallery {
    padding: var(--space-3xl) 0;
}

.projects-slider {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--neutral-200);
}

.projects-slider::-webkit-scrollbar {
    height: 8px;
}

.projects-slider::-webkit-scrollbar-track {
    background: var(--neutral-200);
    border-radius: 4px;
}

.projects-slider::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

.projects-slider::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

.projects-track {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    width: max-content;
}

.project-slide {
    flex-shrink: 0;
    width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.project-card {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    background: white;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: none;
    -webkit-filter: none;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.9), rgba(255, 107, 53, 0.8));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    color: white;
    text-align: center;
    padding: var(--space-lg);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
    color: white;
}

.project-overlay p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
}

/* Projects Slider Controls */
.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.slider-btn {
    background: var(--primary);
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.slider-btn:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.slider-btn:disabled {
    background: var(--neutral-300);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

.slider-btn svg {
    width: 1.25rem;
    height: 1.25rem;
    color: white;
    stroke-width: 2;
}

/* Testimonials */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-normal);
}

.testimonial-slide {
    min-width: 100%;
    padding: 0 var(--space-md);
}

.testimonial-content {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.testimonial-rating {
    margin-bottom: var(--space-lg);
}

.star {
    color: #FFD700;
    font-size: var(--font-size-lg);
    margin: 0 0.125rem;
}

.testimonial-content blockquote {
    font-size: var(--font-size-lg);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: var(--space-xl);
    color: var(--neutral-600);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.author-info h4 {
    font-size: var(--font-size-base);
    margin-bottom: 0.25rem;
    color: var(--neutral-900);
}

.author-info p {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    margin: 0;
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.testimonial-nav-btn {
    background: var(--primary);
    color: white;
    border: none;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.testimonial-nav-btn:hover {
    background: var(--accent);
    transform: scale(1.1);
}

.testimonial-nav-btn svg {
    width: 1.25rem;
    height: 1.25rem;
    stroke-width: 2;
}

.testimonial-dots {
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    border: none;
    background: var(--neutral-600);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dot.active,
.dot:hover {
    background: var(--primary);
    transform: scale(1.2);
}

/* CTA Band */
.cta-band {
    padding: var(--space-3xl) 0;
    background: var(--gradient-primary);
    color: white;
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.cta-text h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-sm);
    color: white;
}

.cta-text p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: white;
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h3 {
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-section h4 {
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--space-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

/* Contact Info in Footer */
.footer-section .contact-info {
    margin-top: var(--space-md);
}

.footer-section .contact-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.footer-section .contact-info strong {
    color: white;
    font-weight: 600;
}

.footer-section .contact-info a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section .contact-info a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--neutral-100);
}

.modal-header h2 {
    margin: 0;
    color: var(--neutral-900);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--border-radius);
    transition: background var(--transition-fast);
}

.modal-close:hover {
    background: var(--neutral-100);
}

.modal-close svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke: var(--neutral-600);
}

.modal-body {
    padding: var(--space-lg);
}

/* Forms */
.quote-form {
    display: grid;
    gap: var(--space-md);
}

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

.form-group label {
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--neutral-900);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--neutral-100);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

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

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-actions {
    margin-top: var(--space-md);
}


/* Floating Buttons Container */
.floating-buttons {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.floating-buttons.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Scroll to Top Button */
.scroll-to-top {
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(15, 76, 129, 0.3);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.scroll-to-top:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 76, 129, 0.4);
}

.scroll-to-top svg {
    width: 1.25rem;
    height: 1.25rem;
    color: white;
    stroke-width: 2;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    width: 3rem;
    height: 3rem;
    background: #25D366; /* WhatsApp green */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: all var(--transition-normal);
    text-decoration: none;
    cursor: pointer;
}

.whatsapp-float:hover {
    background: #20BA5A; /* Darker WhatsApp green */
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 1.5rem;
    height: 1.5rem;
    fill: white;
}

/* WhatsApp Button Styling */
.btn-whatsapp {
    background: #25D366 !important;
    color: white !important;
    border: 2px solid #25D366 !important;
}

.btn-whatsapp:hover {
    background: #20BA5A !important;
    border-color: #20BA5A !important;
    color: white !important;
}

.btn-whatsapp .btn-icon {
    fill: currentColor;
}

/* Contact Actions Styling */
.contact-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

/* 6. Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }

.hidden { display: none; }
.visible { display: block; }

/* Responsive Utility Classes */
.hidden-mobile {
    display: block;
}

.hidden-desktop {
    display: none;
}

@media (max-width: 768px) {
    .hidden-mobile {
        display: none;
    }
    
    .hidden-desktop {
        display: block;
    }
    
    .text-center-mobile {
        text-align: center;
    }
    
    .full-width-mobile {
        width: 100%;
    }
}

/* 7. Media Queries */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .cta-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile Navigation - Simplified */
@media (max-width: 1024px) {
    /* Hide desktop navigation */
    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px; /* Fixed width instead of full screen */
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        gap: var(--space-lg);
        z-index: 1000;
        transition: left 0.3s ease;
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
        display: flex !important;
        padding: 80px var(--space-lg) var(--space-lg); /* Add padding from top */
    }
    
    .nav.active {
        left: 0 !important;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: translateX(0) !important;
    }
    
    /* Add backdrop overlay when menu is open */
    .nav.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }
    
    .nav-actions {
        display: none !important;
    }
    
    /* Adjust hero padding for mobile */
    .hero {
        padding-top: 30px;
    }
}

@media (max-width: 768px) {
    /* Mobile-specific adjustments */
    .nav-list {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: left; /* Left align for slide-out menu */
        width: 100%;
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        font-weight: 600;
        padding: var(--space-sm) 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        width: 100%;
    }
    
    .header-content {
        justify-content: space-between;
    }
    
    /* Ensure header is always visible */
    .header {
        position: relative;
        z-index: 1002;
        background: white;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .logo {
        display: flex !important;
        align-items: center;
    }
    
    /* Ensure hero text is always visible */
    .hero-text {
        position: relative;
        z-index: 2;
        text-align: center;
        padding: var(--space-lg);
        background: rgba(0, 0, 0, 0.3);
        border-radius: var(--border-radius-lg);
        backdrop-filter: blur(10px);
    }
    
    .hero-content {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        padding: var(--space-lg) 0;
        padding-top: 40px; /* Extra padding for mobile header */
    }
    
    .hero-title,
    .hero-subtitle,
    .title-line {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        color: white !important;
    }
    
    .title-line.accent {
        color: #FFD700 !important;
    }
    
    .hero-subtitle {
        color: white !important;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8) !important;
        opacity: 1 !important;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    /* Ensure buttons are visible and properly styled */
    .btn {
        display: inline-flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        min-height: 48px;
        font-weight: 600;
        text-align: center;
        justify-content: center;
    }
    
    .btn-primary {
        background: var(--gradient-primary) !important;
        color: white !important;
        border: none;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    
    .btn-outline {
        background: transparent !important;
        color: white !important;
        border: 2px solid white !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    
    .btn-outline:hover {
        background: white !important;
        color: var(--primary) !important;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }
    
    
    /* Floating buttons mobile positioning */
    .floating-buttons {
        bottom: 1rem;
        right: 1rem;
        gap: 0.5rem;
    }
    
    .scroll-to-top,
    .whatsapp-float {
        width: 3rem;
        height: 3rem;
        min-width: 44px;
        min-height: 44px;
    }
    
    .scroll-to-top svg,
    .whatsapp-float svg {
        width: 1.25rem;
        height: 1.25rem;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    /* Prevent horizontal overflow */
    * {
        max-width: 100vw;
    }
    
    .container {
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .modal {
        padding: var(--space-xs);
    }
    
    .modal-content {
        margin: 0;
        max-height: calc(100vh - 1rem);
        width: 100%;
        max-width: 100%;
        border-radius: var(--border-radius-lg);
    }
    
    .modal-header {
        padding: var(--space-md);
    }
    
    .modal-body {
        padding: var(--space-md);
    }
    
    .form-group {
        margin-bottom: var(--space-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
}

/* 8. Print Styles */
@media print {
    .header,
    .modal {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-lg) 0;
    }
    
    .hero-background {
        display: none;
    }
    
    .hero-overlay {
        background: var(--primary);
    }
    
    * {
        color: black !important;
        background: white !important;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(2rem);
    transition: all var(--transition-slow);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-2rem);
    transition: all var(--transition-slow);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(2rem);
    transition: all var(--transition-slow);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: all var(--transition-slow);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Additional Page Styles */

/* Page Header */
.page-header {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

.page-header-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.8) 0%, rgba(21, 101, 192, 0.6) 100%);
    z-index: -1;
}

.page-header-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: white;
}

.page-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    opacity: 0.95;
    color: white;
}

.breadcrumb {
    margin-top: var(--space-lg);
}

.breadcrumb ol {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: var(--space-sm);
    margin: 0;
    padding: 0;
}

.breadcrumb li {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: var(--space-sm);
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: white;
}

/* About Page Styles */
.company-story {
    padding: var(--space-3xl) 0;
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.story-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--primary);
    margin-bottom: var(--space-lg);
}

.story-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--neutral-100);
    border-radius: var(--border-radius-lg);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    font-weight: 500;
}

.story-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.mission-vision {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.mission-card,
.vision-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.card-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.card-icon svg {
    width: 2rem;
    height: 2rem;
    stroke-width: 2;
}

.timeline-section {
    padding: var(--space-3xl) 0;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
    padding-left: 5rem;
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.timeline-content {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
}

.timeline-content h3 {
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.values-section {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.value-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.value-icon svg {
    width: 2rem;
    height: 2rem;
    stroke-width: 2;
}

.certifications {
    padding: var(--space-3xl) 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.cert-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal);
}

.cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.cert-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-md);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.cert-icon svg {
    width: 2rem;
    height: 2rem;
    stroke-width: 2;
}

/* Services Page Styles */
.services-overview {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.service-detail {
    padding: var(--space-3xl) 0;
}

.service-detail:nth-child(even) {
    background: var(--neutral-100);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.service-detail-grid.reverse {
    direction: rtl;
}

.service-detail-grid.reverse > * {
    direction: ltr;
}

.service-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.service-intro {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
    color: var(--neutral-600);
}

.service-features h3,
.service-specs h3,
.service-applications h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.service-features ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-xl);
}

.service-features li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
    color: var(--neutral-600);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 600;
}

.specs-grid {
    display: grid;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--neutral-100);
}

.spec-label {
    font-weight: 500;
    color: var(--neutral-900);
}

.spec-value {
    color: var(--neutral-600);
}

.applications-grid {
    display: grid;
    gap: var(--space-lg);
}

.application-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.app-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.app-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 2;
}

.application-item h4 {
    margin-bottom: var(--space-xs);
    color: var(--neutral-900);
}

.application-item p {
    margin: 0;
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
}

.service-image {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.service-cta {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    text-align: center;
}

.service-comparison {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.comparison-table {
    overflow-x: auto;
    margin-top: var(--space-xl);
    -webkit-overflow-scrolling: touch;
}

.comparison-table table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--neutral-100);
}

.comparison-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.comparison-table tr:hover {
    background: var(--neutral-100);
}

.installation-process {
    padding: var(--space-3xl) 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

.step-content p {
    margin: 0;
    color: var(--neutral-600);
}

/* Contact Page Styles */
.contact-info {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.contact-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon svg {
    width: 2rem;
    height: 2rem;
    stroke-width: 2;
}

.contact-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

.contact-card p {
    margin-bottom: var(--space-xs);
    color: var(--neutral-600);
}

.contact-card a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
}

.contact-card a:hover {
    color: var(--accent);
}

.contact-note {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    font-style: italic;
    margin-top: var(--space-sm);
}

.contact-form-map {
    padding: var(--space-3xl) 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-form-section h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.form-intro {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
    color: var(--neutral-600);
}

.contact-form {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

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

.map-section h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-lg);
}

.map-info {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.map-info h3 {
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.map-info p {
    margin-bottom: var(--space-sm);
    color: var(--neutral-600);
}

.map-info a {
    color: var(--primary);
    text-decoration: none;
}

.map-info a:hover {
    color: var(--accent);
}

.faq-section {
    padding: var(--space-3xl) 0;
    background: var(--neutral-100);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.faq-item {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.faq-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.faq-item h3 {
    margin-bottom: var(--space-md);
    color: var(--primary);
    font-size: var(--font-size-lg);
}

.faq-item p {
    margin: 0;
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Error Page Styles */
.error-page {
    padding: var(--space-3xl) 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-number {
    font-size: 8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-lg);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.error-content h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
    color: var(--neutral-900);
}

.error-message {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
    color: var(--neutral-600);
}

.error-suggestion {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2xl);
    color: var(--neutral-600);
}

.error-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.error-help {
    background: var(--neutral-100);
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    margin-top: var(--space-xl);
}

.error-help h3 {
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.error-help p {
    margin-bottom: var(--space-md);
    color: var(--neutral-600);
}

.help-contacts {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.help-contact {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: white;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.help-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--accent);
}

.help-contact svg {
    width: 1.25rem;
    height: 1.25rem;
    stroke-width: 2;
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    :root {
        --container-max-width: 1400px;
        --font-size-4xl: 3.5rem;
        --font-size-3xl: 2.75rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* Desktop (1024px - 1439px) */
@media (max-width: 1439px) and (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet Landscape (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-bar {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Contact page tablet adjustments */
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-form {
        padding: var(--space-lg);
    }
    
    .map-container {
        max-width: 100%;
    }
    
    .contact-card {
        padding: var(--space-lg);
    }
}

/* Tablet Portrait & Mobile Landscape (481px - 767px) */
@media (max-width: 767px) and (min-width: 481px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Portrait (320px - 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .projects-grid,
    .trust-bar,
    .values-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    /* Add more spacing between trust bar and scroll indicator on mobile */
    .trust-bar {
        padding: var(--space-lg) 0; /* Reduce trust bar padding on mobile */
        margin-bottom: var(--space-lg); /* Add space below trust bar */
    }
    

    
    .hero-cta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    /* Improve touch targets for all interactive elements */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: var(--space-sm) var(--space-md);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
    }
    
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .story-grid,
    .mission-vision-grid,
    .service-detail-grid,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .story-stats {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
    }

    .help-contacts {
        flex-direction: column;
        align-items: center;
    }

    .error-number {
        font-size: 6rem;
    }

    .timeline::before {
        left: 1.5rem;
    }

    .timeline-item {
        padding-left: 4rem;
    }

    .timeline-year {
        width: 3rem;
        height: 3rem;
        font-size: var(--font-size-xs);
    }
    
    /* Additional mobile adjustments */
    .section-header {
        text-align: center;
    }
    
    .cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact page mobile overflow prevention */
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-form {
        padding: var(--space-lg);
        margin: 0 var(--space-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .map-container {
        margin: 0 var(--space-sm);
        max-width: calc(100vw - 2rem);
    }
    
    .map-container iframe {
        width: 100%;
        max-width: 100%;
    }
    
    .contact-card {
        padding: var(--space-lg);
        margin: 0 var(--space-sm);
    }
    
    /* Ensure all form elements fit within viewport */
    .contact-form input,
    .contact-form textarea,
    .contact-form select {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Contact info section mobile adjustments */
    .contact-info {
        padding: var(--space-lg) 0;
    }
    
    .contact-form-map {
        padding: var(--space-lg) 0;
    }
    
    /* Gallery mobile adjustments */
    .project-slide {
        width: 250px;
    }
    
    .projects-track {
        gap: var(--space-md);
        padding: var(--space-sm) 0;
    }
}





/* Extra Small Mobile (320px and below) */
@media (max-width: 320px) {
    :root {
        --container-padding: 0.75rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
    
    .logo-text {
        font-size: var(--font-size-sm);
    }
    
    /* Adjust hero padding for extra small mobile */
    .hero {
        padding-top: 20px;
    }
    
    /* Ensure hero text is visible */
    .hero-text {
        padding: var(--space-sm);
    }
    
    /* Reduce hero content padding on extra small mobile */
    .hero-content {
        padding-top: 0px;
    }
    
    .hero-title,
    .hero-subtitle {
        display: block !important;
        visibility: visible !important;
        color: white !important;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8) !important;
    }
    
    .hero-text {
        padding: var(--space-md);
        background: rgba(0, 0, 0, 0.4);
    }
    
    .btn {
        min-height: 48px;
        font-size: var(--font-size-base);
        font-weight: 600;
    }
}

/* Mobile Overflow Prevention - Global */
@media (max-width: 768px) {
    /* Prevent horizontal scrolling */
    html, body {
        overflow-x: hidden;
        width: 100%;
        max-width: 100vw;
    }
    
    /* Ensure all containers don't exceed viewport */
    .container,
    .section,
    .hero,
    .services-grid,
    .projects-grid,
    .trust-bar,
    .values-grid {
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    /* Fix any elements that might cause horizontal overflow */
    .hero-title,
    .hero-subtitle,
    .section-title,
    .service-title,
    .project-title,
    .testimonial-text {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        max-width: 100%;
    }
    
    /* Ensure all images are responsive */
    img {
        max-width: 100%;
        height: auto;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        filter: none;
        -webkit-filter: none;
    }
    
    /* Fix button widths on mobile */
    .btn {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Fix navigation width */
    .nav {
        width: 100vw;
        max-width: 100vw;
    }
    
    /* Fix modal display on mobile */
    .modal {
        padding: var(--space-xs);
    }
    
    .modal-content {
        margin: 0;
        width: 100%;
        max-width: 100%;
        max-height: calc(100vh - 1rem);
        border-radius: var(--border-radius-lg);
    }
    
    .modal-header {
        padding: var(--space-md);
        border-bottom: 1px solid var(--neutral-100);
    }
    
    .modal-body {
        padding: var(--space-md);
        max-height: calc(100vh - 120px);
        overflow-y: auto;
    }
    
    /* Fix form elements */
    .form-group {
        margin-bottom: var(--space-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    input, textarea, select {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Gallery mobile adjustments */
    .project-card {
        max-width: 100%;
        margin: 0 var(--space-sm);
    }
    
    .project-image {
        height: 300px;
    }
    
    .project-slide {
        padding: 0 var(--space-sm);
    }
}