/* Modern CSS Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #111827;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    --font-display: 'Poppins', var(--font-sans);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4rem;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.125rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

#companies .companies-grid .company-card:first-child .company-action .btn-outline {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

/* Loading Screen */
/* ===========================================
   SIMPLE PRELOADER STYLES
   ========================================== */

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    width: 180px;
    height: 180px;
    margin-bottom: 30px;
}

.loading-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: #f1f5f9;
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #FFD700, #FFA500);
    border-radius: 2px;
    animation: progressFill 2s ease-out infinite;
}

@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

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

/* ===========================================
   PAGE ENTRANCE ANIMATIONS
   ========================================== */

/* Preloader gizlendiğinde sayfa animasyonları */
body:not(.page-loaded) .navbar-modern,
body:not(.page-loaded) .hero-content {
    opacity: 0;
    visibility: hidden;
}

body.page-loaded {
    --page-loaded: true;
}

.navbar-modern {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.6s ease-out 0.3s, transform 0.6s ease-out 0.3s;
}

body.page-loaded .navbar-modern {
    opacity: 1;
    transform: translateY(0);
}

.hero-content {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease-out 0.5s, transform 1s ease-out 0.5s;
}

body.page-loaded .hero-content {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================================
   RESPONSIVE PRELOADER ADJUSTMENTS
   ========================================== */

@media (max-width: 768px) {
    .loading-logo {
        width: 150px;
        height: 150px;
        margin-bottom: 25px;
    }

    .loading-progress {
        width: 150px;
    }
}

@media (max-width: 480px) {
    .loading-logo {
        width: 120px;
        height: 120px;
        margin-bottom: 20px;
    }

    .loading-progress {
        width: 120px;
        height: 3px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .stat-item {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

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

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

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

.hero-video::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
    z-index: 1;
}

.hero-video.video-loaded::before {
    display: none;
}

.hero-video.video-error::before {
    border: 4px solid rgba(255, 0, 0, 0.3);
    border-top: 4px solid #ff0000;
}

.hero-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    animation: heroImageZoom 20s ease-in-out infinite alternate;
    transform-origin: center center;
}

@keyframes heroImageZoom {
    0% {
        transform: scale(1);
        filter: brightness(1) contrast(1.1);
    }
    100% {
        transform: scale(1.1);
        filter: brightness(1.1) contrast(1.2);
    }
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

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

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
    max-width: 800px;
    padding: 0 1rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;
}

.hero-title {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7), 0 4px 16px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.highlight {
    display: block;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 25%, #FF6B35 50%, #F7931E 75%, #FFD700 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.5rem;
    animation: gradientShift 3s ease-in-out infinite;
    font-weight: 800;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
    position: relative;
    -webkit-text-stroke: 2px #000000;
    filter: drop-shadow(0 0 3px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 6px rgba(255, 215, 0, 0.4));
    text-align: center;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    filter: blur(20px);
    opacity: 0.4;
    z-index: -1;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 1;
    animation: fadeInUp 1s ease-out 0.3s both;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.9), 0 2px 4px rgba(0, 0, 0, 0.7), 0 1px 2px rgba(0, 0, 0, 0.5);
    font-weight: 600;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.98);
    text-align: center;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--white);
    border-radius: 50%;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 0.5rem;
    height: 0.5rem;
    border-bottom: 2px solid var(--white);
    border-right: 2px solid var(--white);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(3rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-1rem);
    }
    60% {
        transform: translateX(-50%) translateY(-0.5rem);
    }
}

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

section {
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

/* About Section */
.about {
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    transition: left 0.4s ease;
}

.stat-item:hover::before {
    left: 0;
}

.stat-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.stat-icon-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.2) 0%, transparent 50%, rgba(255,255,255,0.2) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.stat-item:hover .stat-icon-wrapper::before {
    transform: translateX(100%);
}

.stat-item:hover .stat-icon-wrapper {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

.stat-icon {
    font-size: 2rem;
    color: white;
    z-index: 2;
    position: relative;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
    background: linear-gradient(135deg, #1e293b 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    display: block;
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.stat-item:hover .stat-label {
    color: #3b82f6;
}

/* 4-item plus layout for stats-grid */
.stats-plus-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2rem;
    max-width: 600px;
    margin: 3rem auto;
}

.stats-plus-layout .stat-item {
    position: relative;
}

.stats-plus-layout .stat-item:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
}

.stats-plus-layout .stat-item:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
}

.stats-plus-layout .stat-item:nth-child(3) {
    grid-column: 1;
    grid-row: 2;
}

.stats-plus-layout .stat-item:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
}

/* Responsive design for plus layout */
@media (max-width: 768px) {
    .stats-plus-layout {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
        max-width: 400px;
    }
    
    .stats-plus-layout .stat-item:nth-child(1),
    .stats-plus-layout .stat-item:nth-child(2),
    .stats-plus-layout .stat-item:nth-child(3),
    .stats-plus-layout .stat-item:nth-child(4) {
        grid-column: 1;
    }
    
    .stats-plus-layout .stat-item:nth-child(1) {
        grid-row: 1;
    }
    
    .stats-plus-layout .stat-item:nth-child(2) {
        grid-row: 2;
    }
    
    .stats-plus-layout .stat-item:nth-child(3) {
        grid-row: 3;
    }
    
    .stats-plus-layout .stat-item:nth-child(4) {
        grid-row: 4;
    }
}

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

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-image:hover .image-overlay {
    opacity: 1;
}

.play-btn {
    width: 4rem;
    height: 4rem;
    border: none;
    border-radius: 50%;
    background: var(--white);
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.play-btn:hover {
    transform: scale(1.1);
}

/* Mission & Vision Section */
.mission-vision-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-200);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.mission-card,
.vision-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 350px;
    display: flex;
    flex-direction: column;
}

.mission-card::before,
.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.mission-card:hover,
.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.mv-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.mv-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.3;
    z-index: -1;
}

.mv-icon i {
    font-size: 1.5rem;
    color: var(--white);
    z-index: 1;
}

.mission-card h3,
.vision-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.mission-card p,
.vision-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1rem;
    flex: 1;
    display: flex;
    align-items: center;
}

/* ===========================================
   GALLERY & CONTACT SECTION STYLES
   ========================================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-btn {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-btn:hover {
    transform: scale(1.1);
}

/* Contact Section */
.contact {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
}

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

.contact-details h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.5;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

.footer {
    background: var(--white);
    color: var(--text-dark);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-logo i {
    color: var(--accent-color);
    font-size: 1.75rem;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.footer-section ul li {
    margin-bottom: 0.5rem;
    text-align: center;
    list-style: none;
}

.footer-section ul li a {
    color: var(--text-light);
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gray-100);
    color: var(--text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    justify-content: center;
}

.footer-contact i {
    color: var(--accent-color);
    width: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

.footer-bottom .created-by {
    color: var(--text-dark);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    opacity: 0.9;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

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

.modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: var(--white);
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-caption {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-md);
}

/* ===========================================
   MODERN PROFESSIONAL NAVBAR STYLES
   ========================================== */

.navbar-modern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar-modern.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.98);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0.75rem 2rem;
    min-height: 80px;
}

/* Left Navigation */
.nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-right {
    justify-content: flex-end;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white) !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.cta-button::after {
    display: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Center Brand Logo */
.nav-center {
    display: flex;
    justify-content: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-dark);
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image {
    height: 60px;
    width: auto;
    max-width: 220px;
    transition: var(--transition);
    object-fit: contain;
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo-icon {
    height: 60px;
    width: auto;
    max-width: 220px;
    transition: var(--transition);
    object-fit: contain;
}

.logo-icon:hover {
    transform: scale(1.05);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1rem;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    color: var(--text-dark);
    text-decoration: none;
}

.dropdown-link:hover {
    background: var(--gray-50);
}

.dropdown-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    padding: 2rem;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.mobile-nav-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 1rem;
}

.mobile-nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1.1rem;
    padding: 1rem 0;
    display: block;
    transition: all 0.3s ease;
    text-decoration: none;
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    transform: translateX(10px);
}

.mobile-dropdown {
    margin-top: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--primary-color);
}

.mobile-dropdown-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.2s ease;
}

.mobile-dropdown-link:hover {
    color: var(--primary-color);
}

.mobile-dropdown-icon {
    font-size: 1.2rem;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.mobile-nav-link.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white) !important;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    text-align: center;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
}

.mobile-nav-link.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Prevent body scroll when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* Mobile menu overlay */
.mobile-menu::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: -1;
}

.mobile-menu.active::before {
    opacity: 1;
    visibility: visible;
}

/* ===========================================
   ENHANCED COMPANIES SECTION STYLES
   ========================================== */

.companies-enhanced {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 6rem 0;
}

.companies-showcase {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

/* Main Company Card */
.company-card-main {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xl);
    padding: 3rem;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.company-card-main::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: rotate(45deg);
}

.company-hero {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.company-logo-main img {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1rem;
    object-fit: contain;
}

.company-info-main h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.company-tagline {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.company-desc {
    font-size: 1rem;
    opacity: 0.95;
    line-height: 1.6;
}

.company-services-main {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.service-tag-main {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

/* Sub Companies Grid */
.sub-companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.company-card-sub {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.company-card-sub:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.company-header-sub {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.company-icon-sub img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    object-fit: contain;
}

.company-info-sub h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.specialty {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 500;
}

.company-description-sub {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.company-features-sub {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: var(--gray-100);
    color: var(--text-dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.company-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.company-link:hover {
    gap: 0.75rem;
}

/* ===========================================
   ENHANCED PROJECTS SECTION STYLES
   ========================================== */

.projects-enhanced {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
    position: relative;
}

.projects-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f1f5f9' fill-opacity='0.3'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.projects-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.75rem 2rem;
    border: 2px solid var(--gray-300);
    background: var(--white);
    color: var(--text-dark);
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.projects-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.project-card-enhanced {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s ease;
    border: 1px solid var(--gray-200);
    position: relative;
}

.project-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(37, 99, 235, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--radius-xl);
}

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

.project-card-enhanced:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-color: var(--primary-color);
}

.project-image-enhanced {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.project-image-enhanced img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.project-overlay-enhanced {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0.1) 30%,
        rgba(0,0,0,0.8) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.5rem;
    opacity: 0;
    transition: all 0.4s ease;
}

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

.project-badge {
    align-self: flex-start;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-actions {
    align-self: flex-end;
}

.project-btn-primary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-btn-primary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.project-content-enhanced {
    padding: 2rem;
    background: var(--white);
}

.project-content-enhanced h3 {
    font-size: 1.375rem;
    margin-bottom: 0.875rem;
    color: var(--text-dark);
    line-height: 1.3;
    font-weight: 600;
}

.project-content-enhanced p {
    color: var(--text-light);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.project-stats i {
    color: var(--primary-color);
    font-size: 1rem;
}

.project-category-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.projects-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xl);
    color: var(--white);
}

.projects-cta h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.projects-cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.projects-cta .btn {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
    font-weight: 600;
}

.projects-cta .btn:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

/* ===========================================
   ENHANCED FOOTER STYLES
   ========================================== */

.footer-enhanced {
    background: var(--white);
    color: var(--gray-700);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--gray-200);
}

.footer-enhanced h4 {
    color: #1a1a1a !important;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
}

.footer-partner {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-partner:hover {
    opacity: 1;
}

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

@media (max-width: 1024px) {
    .navbar-container {
        grid-template-columns: 1fr auto;
        gap: 2rem;
    }
    
    .nav-left, .nav-right {
        gap: 1rem;
    }
    
    .nav-center {
        order: -1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0.75rem 1rem;
        grid-template-columns: 1fr auto auto;
        gap: 1rem;
    }
    
    .nav-left, .nav-right {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
        order: 3;
    }
    
    .nav-center {
        order: 1;
        justify-content: flex-start;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 1.5rem;
        margin: 2rem 0;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    }
    
    .stat-icon-wrapper {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .stat-icon {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
        letter-spacing: 0.5px;
    }
    
    .company-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .sub-companies-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid-enhanced {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    /* Mission & Vision Mobile Styles */
    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .mission-card,
    .vision-card {
        padding: 2rem 1.5rem;
    }
    
    .mv-icon {
        width: 3.5rem;
        height: 3.5rem;
    }
    
    .mv-icon i {
        font-size: 1.25rem;
    }
    
    .mission-card h3,
    .vision-card h3 {
        font-size: 1.25rem;
    }
    
    .mission-card p,
    .vision-card p {
        font-size: 0.95rem;
    }
}

/* ===========================================
   SERVICES SECTION STYLES
   ========================================== */

.services {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23e5e7eb" opacity="0.3"/><circle cx="75" cy="75" r="1" fill="%23e5e7eb" opacity="0.3"/><circle cx="50" cy="10" r="1" fill="%23e5e7eb" opacity="0.3"/><circle cx="10" cy="90" r="1" fill="%23e5e7eb" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
    z-index: 0;
}

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

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
}

.service-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-icon::before {
    opacity: 1;
}

.service-icon i {
    font-size: 2rem;
    color: black;
    position: relative;
    z-index: 1;
}

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===========================================
   PROJECTS SECTION STYLES
   ========================================== */

.projects {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--white);
    color: var(--text-light);
    border: 2px solid var(--gray-300);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
}

.filter-btn.active,
.filter-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: black;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
}

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

.project-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(59, 130, 246, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    padding: 1.5rem;
    overflow: hidden;
}

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

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

.project-content {
    text-align: center;
    color: var(--white);
    width: 100%;
    max-height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.project-content p {
    margin-bottom: 1rem;
    opacity: 0.95;
    line-height: 1.4;
    font-size: 0.85rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.project-meta {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.project-type,
.project-year {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-btn:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: scale(1.05);
}

/* Gallery Filters */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.gallery-filter {
    background: var(--white);
    color: var(--text-light);
    border: 2px solid var(--gray-300);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
}

.gallery-filter.active,
.gallery-filter:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Contact Section Improvements */
.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--white);
}

.contact-text h4 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    font-weight: 600;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Feature List Styling */
.feature-list {
    list-style: none;
    margin: 1.5rem 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-list li i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

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

/* Mobile First - 320px to 480px */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        height: 80vh;
        padding: 0 15px;
    }
    
    .hero-content {
        text-align: center;
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 2.5rem !important;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem !important;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .service-card {
        padding: 25px 20px;
        text-align: center;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin: 0 auto 1rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .project-card {
        margin-bottom: 1rem;
    }
    
    .project-image {
        height: 200px;
    }
    
    .project-filters,
    .gallery-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 15px 0.5rem;
        gap: 0.5rem;
    }
    
    .filter-btn,
    .gallery-filter {
        white-space: nowrap;
        flex-shrink: 0;
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-text {
        order: 2;
    }
    
    .about-image {
        order: 1;
    }
    
    .contact-items {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
    }
    
    .contact-icon {
        align-self: center;
        margin-bottom: 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .footer-section {
        padding: 0 0.5rem;
    }
    
    .footer-section ul li {
        text-align: center;
        margin-bottom: 0.75rem;
    }
    
    .footer-contact {
        text-align: center;
    }
    
    .footer-contact p {
        justify-content: center;
        flex-wrap: wrap;
        text-align: center;
        margin-bottom: 0.75rem;
    }
    
    .social-links {
        justify-content: center;
        margin: 1.5rem 0;
    }
    
    .footer-bottom {
        text-align: center;
        padding: 1.5rem 1rem 1rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .company-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 40px 15px;
    }
    
    .sub-companies-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .projects-grid,
    .projects-grid-enhanced {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Tablet - 481px to 768px */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .footer-section:last-child {
        grid-column: 1 / -1;
        text-align: center;
    }
    
    .footer-contact p {
        justify-content: center;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .hero {
        height: 85vh;
    }
    
    .hero-title {
        font-size: 3rem !important;
    }
    
    .hero-subtitle {
        font-size: 1.3rem !important;
    }
    
    .hero-buttons {
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .contact-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .company-hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 60px 20px;
    }
    
    .sub-companies-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .projects-grid,
    .projects-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* Desktop - 769px to 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .contact-items {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .sub-companies-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .projects-grid-enhanced {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

/* Large Desktop - 1025px+ */
@media (min-width: 1025px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .sub-companies-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .projects-grid-enhanced {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Landscape orientation fixes */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        height: 100vh;
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.5rem !important;
    }
    
    .hero-subtitle {
        font-size: 1.1rem !important;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        gap: 1rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-video {
        transform: scale(1.01);
    }
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #e5e7eb;
        --bg-primary: #111827;
        --bg-secondary: #1f2937;
    }
}

/* Print styles */
@media print {
    .hero-video,
    .navbar-modern,
    .scroll-indicator,
    .back-to-top,
    .mobile-menu {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 2rem 0;
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .project-card,
    .service-card {
        break-inside: avoid;
    }
}

/* ===========================================
   ANIMATIONS AND INTERACTIONS
   ========================================== */

/* Stats Counter Animation */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-item {
    animation: countUp 0.8s ease forwards;
    animation-delay: var(--delay, 0s);
}

.stat-item:nth-child(1) { --delay: 0.1s; }
.stat-item:nth-child(2) { --delay: 0.2s; }
.stat-item:nth-child(3) { --delay: 0.3s; }

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}

/* Enhanced hover effects */
.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

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

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(59, 130, 246, 0.05));
    transition: height 0.3s ease;
}

.service-card:hover::after {
    height: 100%;
}

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

.service-card,
.project-card {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: var(--delay, 0s);
}

.service-card:nth-child(1) { --delay: 0.1s; }
.service-card:nth-child(2) { --delay: 0.2s; }
.service-card:nth-child(3) { --delay: 0.3s; }
.service-card:nth-child(4) { --delay: 0.4s; }

.project-card:nth-child(1) { --delay: 0.1s; }
.project-card:nth-child(2) { --delay: 0.2s; }
.project-card:nth-child(3) { --delay: 0.3s; }
.project-card:nth-child(4) { --delay: 0.4s; }
.project-card:nth-child(5) { --delay: 0.5s; }
.project-card:nth-child(6) { --delay: 0.6s; }

/* Gallery improvements */
.gallery-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    z-index: 1;
}

.gallery-item:hover::before {
    width: 100px;
    height: 100px;
}

/* Improved button styles */
.btn {
    position: relative;
    overflow: hidden;
}

.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 0.5s ease;
}

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

/* Focus styles for accessibility */
.filter-btn:focus,
.gallery-filter:focus,
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Mobile menu styles are handled above in the main mobile menu section */

/* Print styles */
@media print {
    .navbar-modern,
    .scroll-indicator,
    .back-to-top,
    .mobile-menu {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 2rem 0;
    }
    
    .hero-video {
        display: none;
    }
}