/* ============================================
   AL DHABI STEEL - Premium Industrial Website
   2025 Modern Premium Design
   ============================================ */

/* CSS Variables - Premium 2025 Industrial Theme */
:root {
    /* Primary Colors - Premium Light Theme */
    --color-primary-bg: #FFFFFF;
    --color-secondary-bg: #FAFBFC;
    --color-section-bg: #F5F7FA;
    --color-section-alt: #FFFFFF;
    --color-accent: #C9A961;
    --color-accent-hover: #B89447;
    --color-accent-light: rgba(201, 169, 97, 0.1);
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #64748B;
    --color-border: rgba(15, 23, 42, 0.08);
    --color-border-light: rgba(15, 23, 42, 0.04);
    
    /* Legacy compatibility */
    --color-primary: #FFFFFF;
    --color-primary-dark: #F8F9FA;
    --color-secondary: #C9A961;
    --color-secondary-dark: #B89447;
    --color-accent-bronze: #C9A961;
    --color-accent-bronze-dark: #B89447;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-light: #F8F9FA;
    --color-gray-100: #F5F7FA;
    --color-gray-200: rgba(15, 23, 42, 0.04);
    --color-gray-300: rgba(15, 23, 42, 0.08);
    --color-gray-600: #64748B;
    --color-gray-800: #1E293B;
    --color-black: #0F172A;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes - Refined Premium Scale */
    --fs-xs: clamp(0.625rem, 0.6rem + 0.125vw, 0.75rem);
    --fs-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --fs-base: clamp(0.875rem, 0.85rem + 0.125vw, 1rem);
    --fs-md: clamp(0.9375rem, 0.9rem + 0.1875vw, 1.125rem);
    --fs-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.5rem);
    --fs-xl: clamp(1.375rem, 1.25rem + 0.625vw, 2rem);
    --fs-2xl: clamp(1.75rem, 1.6rem + 0.75vw, 2.5rem);
    --fs-3xl: clamp(2.25rem, 2rem + 1.25vw, 3.5rem);
    
    /* Spacing - Premium Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    --spacing-3xl: 8rem;
    --spacing-4xl: 10rem;
    
    /* Transitions - Smooth & Professional */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Shadows - Layered Depth */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 2px 4px -1px rgba(0, 0, 0, 0.04), 0 4px 6px -1px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.06), 0 8px 16px -4px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 24px -4px rgba(0, 0, 0, 0.08), 0 20px 32px -8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px -8px rgba(0, 0, 0, 0.1), 0 32px 64px -12px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 32px 64px -12px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Container */
    --container-max-width: 1400px;
    --container-padding: clamp(1.5rem, 5vw, 3rem);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-primary-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography - Refined */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-3xl); font-weight: 700; }
h2 { font-size: var(--fs-2xl); font-weight: 600; }
h3 { font-size: var(--fs-xl); font-weight: 600; }
h4 { font-size: var(--fs-lg); font-weight: 600; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    line-height: 1.75;
    letter-spacing: 0.01em;
}

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

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

/* Container - Premium Spacing */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Navigation - Refined & Lightweight */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    transition: all var(--transition-base);
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 0.08em;
}

.logo-image {
    height: clamp(28px, 2.5vw, 36px);
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    position: relative;
    transition: color var(--transition-base);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    color: var(--color-text-primary);
}

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

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* Hero Section - Full-Bleed Premium */
.hero {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--container-padding);
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.hero-company {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 1.1rem + 0.75vw, 1.875rem);
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s forwards;
}

/* Buttons - Premium & Refined */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: none;
    border: 1.5px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(201, 169, 97, 0.35);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--color-text-primary);
    border-color: rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: rgba(255, 255, 255, 1);
    border-color: rgba(15, 23, 42, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.btn-full {
    width: 100%;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    animation: fadeIn 1s ease-out 1.5s forwards;
}

.scroll-text {
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    opacity: 0.6;
}

.scroll-arrow {
    width: 2px;
    height: 28px;
    background: linear-gradient(to bottom, transparent, var(--color-accent));
    animation: scrollBounce 2s infinite;
}

/* Section Styles - Premium Separation */
section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    scroll-margin-top: 80px;
}

/* Alternating Section Backgrounds for Visual Hierarchy */
section:nth-child(even) {
    background-color: var(--color-section-bg);
}

section:nth-child(odd) {
    background-color: var(--color-section-alt);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-md);
}

.section-label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.section-title {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: width var(--transition-slow);
}

.section-header:hover .title-underline {
    width: 120px;
}

.section-description {
    font-size: var(--fs-base);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

/* About Section - Split Layout with Visual Interest */
.about {
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    right: -10%;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent-light), transparent);
    opacity: 0.3;
    border-radius: 50% 0 0 50%;
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
    position: relative;
}

.about-text .lead {
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    letter-spacing: -0.01em;
}

.about-text p {
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--fs-base);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-heading);
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: var(--fs-xs);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.about-video {
    position: relative;
}

.video-card {
    position: relative;
    width: 100%;
    height: 520px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background-color: var(--color-section-bg);
    cursor: pointer;
    transition: all var(--transition-slow);
}

.video-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.video-thumbnail-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.video-card:hover .video-thumbnail {
    transform: scale(1.08);
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.35) 100%);
    transition: background var(--transition-base);
}

.video-card:hover .video-overlay {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.45) 100%);
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xl);
    z-index: 2;
}

.video-play-button svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
    stroke-width: 2.5;
}

.video-play-button:hover {
    background-color: #FFFFFF;
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--shadow-2xl);
}

/* Services Section - Premium Asymmetrical Layout */
.services {
    position: relative;
    overflow: hidden;
}

.services::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -5%;
    width: 30%;
    height: 60%;
    background: linear-gradient(135deg, transparent, var(--color-accent-light));
    opacity: 0.2;
    border-radius: 0 50% 50% 0;
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    position: relative;
}

.service-item {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.service-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.service-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.service-item:hover::after {
    opacity: 0.15;
}

.service-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background-color: var(--color-section-bg);
    position: relative;
}

.service-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));
    z-index: 1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-item:hover .service-image::before {
    opacity: 1;
}

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

.service-item:hover .service-image img {
    transform: scale(1.12);
}

.service-title {
    font-size: var(--fs-base);
    color: var(--color-text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
    text-align: center;
    margin: 0;
    padding: var(--spacing-lg);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

/* Products Showcase Section */
.products-showcase {
    position: relative;
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-section-bg) 0%, var(--color-secondary-bg) 100%);
}

.products-scroll-container {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-primary-bg);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
    cursor: grab;
    scroll-snap-type: x mandatory;
}

.products-scroll-container:active {
    cursor: grabbing;
}

.products-scroll-container::-webkit-scrollbar {
    height: 8px;
}

.products-scroll-container::-webkit-scrollbar-track {
    background: var(--color-primary-bg);
    border-radius: var(--radius-sm);
}

.products-scroll-container::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
}

.products-scroll-wrapper {
    display: flex;
    gap: var(--spacing-lg);
    padding: 0 var(--container-padding);
    width: max-content;
}

.product-card {
    flex: 0 0 auto;
    width: clamp(280px, 35vw, 450px);
    height: clamp(350px, 45vw, 550px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-section-alt);
    box-shadow: var(--shadow-lg);
    scroll-snap-align: start;
    transition: all var(--transition-slow);
    position: relative;
    border: 1px solid var(--color-border-light);
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-accent);
}

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

.product-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    position: relative;
    z-index: 0;
}

.product-card:hover img {
    transform: scale(1.08);
}

/* Fabrication Section - Premium Grid with Depth */
.fabrication {
    position: relative;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.capability-item {
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.capability-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-hover));
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    opacity: 0.8;
    transition: all var(--transition-base);
}

.capability-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.capability-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.capability-item:hover::before {
    width: 6px;
    opacity: 1;
}

.capability-item:hover::after {
    opacity: 0.1;
}

.capability-title {
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.4;
    position: relative;
    z-index: 1;
}

.capability-item p {
    line-height: 1.8;
    letter-spacing: 0.01em;
    color: var(--color-text-secondary);
    margin: 0;
    font-size: var(--fs-base);
    position: relative;
    z-index: 1;
}

.fabrication-visual {
    margin-top: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 10px 40px -8px rgba(0, 0, 0, 0.12), 0 20px 64px -12px rgba(0, 0, 0, 0.08);
    position: relative;
    background: linear-gradient(135deg, var(--color-section-bg), var(--color-secondary-bg));
    min-height: 400px;
    height: clamp(350px, 40vw, 450px);
}

.fabrication-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.15) 0%, rgba(15, 23, 42, 0.05) 50%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

.fabrication-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.08), transparent);
    z-index: 1;
    pointer-events: none;
}

.fabrication-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    position: relative;
    z-index: 0;
}

/* Projects Section - Premium Gallery Layout */
.projects {
    position: relative;
    overflow: hidden;
}

.projects::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 40%;
    height: 50%;
    background: linear-gradient(135deg, var(--color-accent-light), transparent);
    opacity: 0.3;
    border-radius: 50% 0 0 50%;
    pointer-events: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.project-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
    position: relative;
    cursor: pointer;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.15), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-accent);
}

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

.project-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background-color: var(--color-section-bg);
    position: relative;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.2));
    z-index: 1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-image::before {
    opacity: 1;
}

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

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

.project-caption {
    margin-top: 0;
    padding: var(--spacing-lg);
    text-align: left;
    position: relative;
    z-index: 2;
    background: linear-gradient(to bottom, transparent, var(--color-section-alt));
}

.project-title {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.project-location {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.6;
}

/* Why Choose Us Section */
.why-choose {
    position: relative;
}

.why-choose-content {
    max-width: 1200px;
    margin: 0 auto;
}

.certification-badge {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    border-radius: var(--radius-2xl);
    margin: var(--spacing-2xl) auto var(--spacing-3xl);
    max-width: 600px;
    color: #FFFFFF;
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.certification-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.badge-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    color: #FFFFFF;
    position: relative;
    z-index: 1;
}

.badge-icon svg {
    width: 100%;
    height: 100%;
}

.badge-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--spacing-sm);
    color: #FFFFFF;
    position: relative;
    z-index: 1;
}

.badge-description {
    font-size: var(--fs-base);
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 1;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.why-item {
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.why-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.why-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.why-item:hover::before {
    transform: scaleX(1);
}

.why-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-accent);
    transition: transform var(--transition-base);
}

.why-item:hover .why-icon {
    transform: scale(1.1) rotate(5deg);
}

.why-icon svg {
    width: 100%;
    height: 100%;
}

.why-title {
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.why-description {
    font-size: var(--fs-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
    letter-spacing: 0.01em;
}

/* Contact Section */
.contact {
    background-image: url("./images/Footer.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--color-section-bg);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(250, 251, 252, 0.94) 100%);
    z-index: 0;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: var(--spacing-2xl) auto 0;
}

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

.info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.info-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.info-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-accent-light), transparent);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
    transition: transform var(--transition-base);
}

.info-item:hover .info-icon {
    transform: scale(1.1) rotate(5deg);
}

.info-icon svg {
    width: 100%;
    height: 100%;
}

.info-title {
    font-size: var(--fs-base);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.info-text {
    font-size: var(--fs-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.info-text a {
    color: var(--color-accent);
    transition: color var(--transition-base);
}

.info-text a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(250, 251, 252, 0.95));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-border-light);
}

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

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: var(--fs-base);
    font-family: var(--font-primary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-secondary-bg);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-light);
    background-color: var(--color-primary-bg);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-section-bg), var(--color-secondary-bg));
    color: var(--color-text-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    grid-column: span 1;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.08em;
}

.footer-tagline {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer-title {
    font-size: var(--fs-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.footer-menu a {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    transition: all var(--transition-base);
    position: relative;
    padding-left: 0;
}

.footer-menu a::before {
    content: '→';
    position: absolute;
    left: -1rem;
    opacity: 0;
    transition: all var(--transition-base);
    color: var(--color-accent);
}

.footer-menu a:hover {
    color: var(--color-text-primary);
    padding-left: 1.25rem;
}

.footer-menu a:hover::before {
    opacity: 1;
    left: 0;
}

.footer-contact p {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: 0.875rem;
    line-height: 1.7;
}

.footer-contact a {
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.footer-contact a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.footer-social {
    display: flex;
    flex-direction: column;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-text-secondary);
    background: linear-gradient(135deg, var(--color-section-alt), var(--color-secondary-bg));
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-link svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.social-link:hover {
    color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-accent-light), transparent);
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.social-link:hover svg {
    transform: scale(1.15) rotate(5deg);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    margin: 0;
}

/* Video Modal */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    padding: var(--spacing-md);
}

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

.video-modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.video-modal-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    z-index: 1;
}

.video-modal-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    transition: all var(--transition-base);
    z-index: 2;
}

.video-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1) rotate(90deg);
}

.video-modal-close svg {
    width: 22px;
    height: 22px;
}

.video-modal-content {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background-color: var(--color-primary-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.video-iframe-wrapper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.video-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.4;
    }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    :root {
        --spacing-4xl: 8rem;
        --spacing-3xl: 6rem;
        --spacing-2xl: 4.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-video {
        order: -1;
    }
    
    .video-card {
        height: 480px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fabrication-visual {
        height: clamp(300px, 45vw, 400px);
        margin-top: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 72px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-md);
        box-shadow: var(--shadow-xl);
        border-bottom: 1px solid var(--color-border-light);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero-company {
        font-size: clamp(1.375rem, 1.25rem + 0.625vw, 1.75rem);
    }
    
    .hero-title {
        font-size: clamp(1.125rem, 1.05rem + 0.375vw, 1.5rem);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .video-card {
        height: 400px;
    }
    
    .services-grid,
    .capabilities-grid,
    .why-choose-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .products-scroll-wrapper {
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
    }
    
    .product-card {
        width: 280px;
        height: 350px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        align-items: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .fabrication-visual {
        height: clamp(280px, 50vw, 350px);
        margin-top: var(--spacing-lg);
        min-height: 280px;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1.25rem;
        --spacing-4xl: 5rem;
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }
    
    .hero {
        min-height: 500px;
        height: 100vh;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .scroll-indicator,
    .contact-form,
    .footer {
        display: none;
    }
    
    .hero {
        height: auto;
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Styles for Keyboard Navigation */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Selection Styles */
::selection {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

::-moz-selection {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #20BA5A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: all var(--transition-base);
    text-decoration: none;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    transition: transform var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-2xl);
}

.whatsapp-float:hover svg {
    transform: scale(1.1) rotate(5deg);
}

.whatsapp-float:active {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
    
    .social-links {
        gap: var(--spacing-xs);
    }
    
    .social-link {
        width: 40px;
        height: 40px;
    }
    
    .social-link svg {
        width: 18px;
        height: 18px;
    }
}