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

:root {
    /* Primary Colors */
    --primary-color: #1a5490;
    --primary-dark: #0d3a6b;
    --primary-light: #2971b8;
    --secondary-color: #f39c12;
    --accent-color: #e74c3c;
    
    /* Neutral Colors */
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e1e8ed;
    --overlay: rgba(26, 84, 144, 0.9);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1a5490 0%, #2971b8 100%);
    --gradient-secondary: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
    margin: 0;
    line-height: 1.2;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
    margin: 0;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--text-light);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a5490 0%, #2971b8 50%, #3a7cbd 100%);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero::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='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background: #e67e22;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    width: 6px;
    height: 10px;
    background: var(--white);
    border-radius: 3px;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

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

/* ==========================================
   Stats Section
   ========================================== */
.stats-section {
    background: var(--white);
    padding: 4rem 0;
    margin-top: -80px;
    position: relative;
    z-index: 3;
}

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 15px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

/* ==========================================
   Section Styles
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   About Section
   ========================================== */
.about-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

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

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.feature-item span {
    font-weight: 500;
    color: var(--text-dark);
}

.about-description {
    font-weight: 500;
    color: var(--text-dark) !important;
}

.about-image,
.hse-image {
    position: relative;
}

.section-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.section-image:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25);
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 6rem;
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   Vision Mission Section
   ========================================== */
.vision-mission-section {
    padding: 6rem 0;
    background: var(--white);
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.vm-card {
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.vision-card {
    background: var(--gradient-primary);
    color: var(--white);
}

.mission-card {
    background: var(--light-bg);
}

.vm-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.vm-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.vm-card h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.mission-list {
    list-style: none;
    padding: 0;
}

.mission-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.7;
}

.mission-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ==========================================
   Values Section
   ========================================== */
.values-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

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

.value-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.value-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ==========================================
   Services Section
   ========================================== */
.services-section {
    padding: 6rem 0;
    background: var(--white);
}

.services-tabs {
    margin-top: 3rem;
}

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

.tab-btn {
    padding: 0.8rem 2rem;
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    color: var(--text-dark);
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.tab-btn:hover {
    background: var(--primary-light);
    color: var(--white);
    border-color: var(--primary-light);
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

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

.service-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
    overflow: hidden;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: var(--white);
}

.service-image {
    width: calc(100% + 5rem);
    height: 200px;
    margin: -2.5rem -2.5rem 1.5rem -2.5rem;
    overflow: hidden;
    position: relative;
}

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

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

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

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

.service-list li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.service-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

/* ==========================================
   Portfolio Section
   ========================================== */
.portfolio-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

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

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

.portfolio-image .image-placeholder {
    height: 250px;
    font-size: 4rem;
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.portfolio-location {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.portfolio-location i {
    margin-right: 0.3rem;
}

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

/* ==========================================
   HSE Section
   ========================================== */
.hse-section {
    padding: 6rem 0;
    background: var(--white);
}

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

.hse-text h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.hse-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hse-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.hse-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: var(--transition);
}

.hse-feature:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(10px);
}

.hse-feature i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.hse-feature:hover i {
    color: var(--white);
}

.hse-feature span {
    font-weight: 500;
}

/* ==========================================
   Quality Section
   ========================================== */
.quality-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

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

.quality-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.quality-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-primary);
    color: var(--white);
}

.quality-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.quality-card:hover i {
    color: var(--white);
}

.quality-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.quality-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.quality-card:hover p {
    color: var(--white);
}

/* ==========================================
   Advantages Section
   ========================================== */
.advantages-section {
    padding: 6rem 0;
    background: var(--white);
}

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

.advantage-item {
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition-slow);
    z-index: 0;
}

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

.advantage-item:hover {
    border-color: var(--primary-color);
    color: var(--white);
}

.advantage-item * {
    position: relative;
    z-index: 1;
}

.advantage-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.advantage-item:hover .advantage-number {
    color: var(--white);
    opacity: 0.3;
}

.advantage-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.advantage-item:hover h3 {
    color: var(--white);
}

.advantage-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.advantage-item:hover p {
    color: var(--white);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 10px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

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

.contact-form-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.google-form {
    border-radius: 10px;
    min-height: 800px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-bg);
}

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

.contact-form .btn {
    width: 100%;
    margin-top: 1rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-style: italic;
    color: var(--secondary-color) !important;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

.vision-2030 {
    font-weight: 600;
    color: var(--secondary-color) !important;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0.5rem 0;
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* ==========================================
   WhatsApp Floating Button
   ========================================== */
.whatsapp-float {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    font-size: 2rem;
    z-index: 999;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #128C7E;
    transform: translateY(-5px) scale(1.1);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

.whatsapp-contact {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.whatsapp-contact i {
    color: var(--white) !important;
    font-size: 2.5rem;
}

.whatsapp-contact h4,
.whatsapp-contact p,
.whatsapp-contact a {
    color: var(--white) !important;
}

.whatsapp-contact:hover {
    transform: translateX(10px) scale(1.02);
}

.social-links .whatsapp-link {
    background: #25D366;
}

.social-links .whatsapp-link:hover {
    background: #128C7E;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .about-content,
    .hse-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .vm-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .logo-img {
        height: 50px;
        max-width: 160px;
    }
    
    .logo-text h1 {
        font-size: 1.3rem;
    }
    
    .logo-tagline {
        font-size: 0.65rem;
    }
    
    .whatsapp-float {
        bottom: 80px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        height: 100vh;
        background-attachment: scroll;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-features,
    .hse-features {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tab-btn {
        width: 100%;
    }
    
    .services-grid,
    .values-grid,
    .quality-grid,
    .advantages-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .service-image {
        height: 180px;
    }
    
    .section-image,
    .image-placeholder {
        height: 300px;
        font-size: 4rem;
    }
    
    .portfolio-image {
        height: 220px;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .logo-img {
        height: 45px;
        max-width: 140px;
    }
    
    .logo-text h1 {
        font-size: 1.1rem;
    }
    
    .logo-tagline {
        font-size: 0.6rem;
    }
    
    .whatsapp-float {
        bottom: 70px;
        right: 15px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .vm-card {
        padding: 2rem;
    }
    
    .advantage-number {
        font-size: 2rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    .section-image,
    .image-placeholder {
        height: 250px;
    }
    
    .service-image {
        height: 160px;
    }
    
    .portfolio-image {
        height: 200px;
    }
}

/* ==========================================
   Arabic Text & Company Details
   ========================================== */
.arabic-text {
    direction: rtl;
    font-family: 'Tajawal', 'Arial', sans-serif;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.footer-bottom .arabic-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin: 0.5rem 0;
}

.company-details {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.company-details p {
    margin: 0.3rem 0;
    font-size: 0.85rem;
}

.company-registration {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.company-registration p {
    margin: 0.5rem 0;
    color: var(--text-dark);
}

.company-registration strong {
    color: var(--primary-color);
}

.contact-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary-color);
}

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

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .header,
    .nav-toggle,
    .back-to-top,
    .hero-buttons,
    .scroll-indicator,
    .contact-form {
        display: none;
    }
    
    body {
        color: #000;
    }
    
    .hero {
        height: auto;
        padding: 2rem 0;
    }
}