/* ======================================
   KE A DIRA Construction - Main Stylesheet
   ====================================== */

/* === VARIABLES === */
:root {
    /* Colors */
    --primary: #d6a810;
    --primary-light: #ff9832;
    --primary-dark: #e26700;
    --secondary: #004499;
    --secondary-light: #1a70cc;
    --secondary-dark: #f5c93b;
    --dark: #1a1a1a;
    --gray-dark: #555;
    --gray: #888;
    --gray-light: #f5f5f5;
    --light: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1.25rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-xxl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Z-index */
    --z-fixed: 1000;
    --z-modal: 2000;
    --z-tooltip: 3000;
}

/* === BASE === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--gray-dark);
    background-color: var(--light);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

button, 
input, 
textarea, 
select {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    outline: none;
    border: none;
}

/* === REUSABLE CLASSES === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: var(--primary);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--light);
}

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

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

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

.btn-light {
    background-color: var(--light);
    color: var(--primary);
}

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

.bg-light {
    background-color: var(--gray-light);
}

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

/* === PRELOADER === */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--light);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: var(--transition);
}

.preloader.hide {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 4px solid var(--gray-light);
    border-top-color: var(--primary);
    animation: spin 1s infinite linear;
    position: relative;
}

.loader-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 4px solid var(--gray-light);
    border-bottom-color: var(--secondary);
    animation: spin 1.5s infinite linear reverse;
}

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

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-sm);
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    color: var(--dark);
    transition: var(--transition);
}

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

.logo img {
    width: 100px;
    height: auto;
    margin-right: var(--spacing-sm);
    transition: var(--transition);
}

.header.scrolled .logo img {
    width: 100px;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: -5px;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 500;
    display: block;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 20px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--dark);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
}

.nav-item {
    margin: 0 var(--spacing-sm);
}

.nav-link {
    position: relative;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    padding: 0.5rem 0;
    display: inline-block;
}

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

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

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

.nav-close {
    display: none;
    font-size: var(--font-size-lg);
    color: var(--dark);
    cursor: pointer;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.nav-info {
    display: none;
}

.nav-info-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.nav-info-item i {
    font-size: var(--font-size-md);
    color: var(--primary);
    margin-right: var(--spacing-xs);
}

/* Hero Section / Banner Styles */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    width: 100%;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1);
    transition: transform 7s ease;
}

.hero-slide.active .hero-bg {
    transform: scale(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title span {
    display: block;
    color: #FFC107;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Slider Controls */
.hero-slider-controls {
    position: absolute;
    bottom: 40px;
    left: 0;
    width: 100%;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-slider-dots {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.hero-slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-slider-dot.active {
    background-color: #FFC107;
    transform: scale(1.2);
}

.hero-slider-arrows {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 0 30px;
}

.hero-slider-arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-slider-arrow:hover {
    background-color: #FFC107;
}

.hero-slider-arrow i {
    font-size: 1.2rem;
}

/* Scroll Down Indicator */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
}

.mouse-wrapper {
    display: block;
    height: 55px;
    width: 30px;
    border: 2px solid #fff;
    border-radius: 15px;
    position: relative;
}

.wheel {
    position: absolute;
    display: block;
    height: 8px;
    width: 8px;
    background-color: #fff;
    border-radius: 50%;
    left: 50%;
    top: 8px;
    transform: translateX(-50%);
    animation: mouse-wheel 2s ease infinite;
}

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

/* Media Queries */
@media screen and (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-slider-arrow {
        width: 40px;
        height: 40px;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-btns .btn {
        margin-bottom: 10px;
        width: 100%;
        max-width: 200px;
    }
}

/* === MACHINERY SECTION === */
.machinery-list {
    margin-bottom: var(--spacing-lg);
}

.machinery-category {
    margin-bottom: var(--spacing-md);
}

.category-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--primary);
}

.machinery-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.machinery-item {
    background-color: var(--light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    transition: var(--transition);
    cursor: pointer;
}

.machinery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background-color: rgba(255, 126, 0, 0.05);
}

.machinery-item i {
    font-size: var(--font-size-md);
    color: var(--primary);
    margin-right: var(--spacing-sm);
}

.machinery-item h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark);
}

.machinery-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.machinery-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 200px;
}

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

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

/* === QUOTE MODAL === */
.quote-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quote-modal.active {
    display: block;
    opacity: 1;
}

.quote-modal-content {
    position: relative;
    background-color: var(--light);
    margin: 5% auto;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-50px);
    opacity: 0;
    transition: all 0.4s ease;
}

.quote-modal.active .quote-modal-content {
    transform: translateY(0);
    opacity: 1;
}

.quote-close, 
.thank-you-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--gray);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.quote-close:hover,
.thank-you-close:hover {
    color: var(--primary);
}

.quote-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
    text-align: center;
}

.quote-subtitle {
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

.quote-form label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 5px;
}

.quote-form input,
.quote-form textarea,
.quote-form select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.quote-form input:focus,
.quote-form textarea:focus,
.quote-form select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 126, 0, 0.2);
}

.form-row {
    display: flex;
    gap: var(--spacing-sm);
}

.form-group.half {
    flex: 1;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

/* === THANK YOU MODAL === */
.thank-you-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.thank-you-modal.active {
    display: block;
    opacity: 1;
}

.thank-you-content {
    position: relative;
    background-color: var(--light);
    margin: 10% auto;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.4s ease;
}

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

.thank-you-icon {
    font-size: 60px;
    color: var(--success);
    margin-bottom: var(--spacing-sm);
}

.thank-you-content h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.thank-you-content p {
    font-size: var(--font-size-md);
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.quote-form input.error,
.quote-form textarea.error,
.quote-form select.error {
    border-color: var(--danger);
    background-color: rgba(220, 53, 69, 0.05);
}

.quote-form input.error:focus,
.quote-form textarea.error:focus,
.quote-form select.error:focus {
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.2);
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .quote-modal-content {
        margin: 10% auto;
        padding: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column-reverse;
        gap: var(--spacing-xs);
    }
    
    .form-actions button {
        width: 100%;
    }
}

/* === PROJECTS SECTION === */
.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius-sm);
    color: var(--gray-dark);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    margin: 5px;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary);
    color: var(--light);
    border-color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.project-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

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

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: var(--transition);
}

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

.project-client,
.project-value {
    margin-bottom: var(--spacing-sm);
}

.project-client h4,
.project-value h4 {
    font-size: var(--font-size-sm);
    color: var(--primary);
    margin-bottom: 5px;
}

.project-client p,
.project-value p {
    font-size: var(--font-size-sm);
    color: var(--light);
}

.project-info {
    padding: var(--spacing-sm) var(--spacing-md);
}

.project-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.project-location {
    font-size: var(--font-size-sm);
    color: var(--gray);
    display: flex;
    align-items: center;
}

.project-location:before {
    content: '\f3c5';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-right: 5px;
    color: var(--primary);
}

.projects-more {
    text-align: center;
}

/* === SAFETY SECTION === */
.safety {
    background-color: var(--secondary);
    color: var(--light);
    position: relative;
    padding: var(--spacing-xl) 0;
}

.safety-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://cdnjs.cloudflare.com/ajax/libs/placeholder-images/0.1.0/img/placeholder.png') no-repeat center/cover;
    opacity: 0.1;
    z-index: 0;
}

.safety-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.safety-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--light);
}

.safety-text {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
}

.safety-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    text-align: left;
}

.safety-point {
    display: flex;
    align-items: flex-start;
}

.safety-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.safety-icon i {
    font-size: var(--font-size-md);
    color: var(--primary);
}

.safety-info h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--light);
}

.safety-info p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

/* === CONTACT SECTION === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
    height: 100%;
    margin-bottom: var(--spacing-md);
}

.contact-info-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.contact-info-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary);
}

.contact-info-text {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.contact-info-list {
    margin-bottom: var(--spacing-md);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 126, 0, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.contact-icon i {
    font-size: var(--font-size-md);
    color: var(--primary);
}

.contact-details h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.contact-details p {
    font-size: 0.9rem;
    color: var(--gray);
}

.contact-social {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 126, 0, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary);
    color: var(--light);
    transform: translateY(-3px);
}

.company-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.company-detail h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 5px;
}

.company-detail p {
    font-size: 0.9rem;
    color: var(--gray-dark);
}

.contact-form-wrapper {
    background-color: var(--secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    color: var(--light);
    height: 100%;
}

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

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 12px var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--light);
    transition: var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

.contact-form button {
    width: 100%;
    background-color: var(--primary);
    color: var(--light);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 12px var(--spacing-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background-color: var(--primary-dark);
}

.contact-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 400px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* === CTA SECTION === */
.cta {
    position: relative;
    padding: var(--spacing-xl) 0;
    background-color: var(--primary);
    color: var(--light);
    text-align: center;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://cdnjs.cloudflare.com/ajax/libs/placeholder-images/0.1.0/img/placeholder.png') no-repeat center/cover;
    opacity: 0.1;
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-text {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* === FOOTER === */
.footer {
    background-color: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.footer-top {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

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

.footer-logo img {
    width: 220px;
    height: auto;
    margin-right: var(--spacing-sm);
}

.footer-logo-text h3 {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--light);
    margin-bottom: -5px;
}

.footer-logo-text span {
    font-size: 0.75rem;
    color: var(--primary);
}

.footer-text {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--light);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-services ul li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: inline-block;
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-contact ul li {
    display: flex;
    margin-bottom: 15px;
}

.footer-contact ul li i {
    font-size: var(--font-size-md);
    color: var(--primary);
    margin-right: 10px;
    flex-shrink: 0;
}

.footer-contact ul li span {
    font-size: 0.9rem;
}

.footer-bottom {
    padding: var(--spacing-sm) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.copyright {
    font-size: 0.85rem;
}

/* === BACK TO TOP === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

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

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

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* === RESPONSIVE STYLES === */
@media (max-width: 1200px) {
    :root {
        --font-size-xxl: 2.5rem;
    }
}

@media (max-width: 992px) {
    :root {
        --font-size-xxl: 2.2rem;
        --font-size-xl: 1.8rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background-color: var(--light);
        box-shadow: var(--shadow);
        padding: var(--spacing-xl) var(--spacing-md);
        transition: var(--transition);
        z-index: var(--z-modal);
        flex-direction: column;
        justify-content: flex-start;
        overflow-y: auto;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-close {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        margin-bottom: var(--spacing-lg);
    }
    
    .nav-item {
        margin: var(--spacing-xs) 0;
    }
    
    .nav-info {
        display: block;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-xxl: 2rem;
        --font-size-xl: 1.6rem;
        --font-size-lg: 1.4rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        text-align: center;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .vision-mission-grid,
    .safety-points,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    :root {
        --font-size-xxl: 1.8rem;
        --font-size-xl: 1.5rem;
    }
    
    .hero-btns {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-xs);
    }
    
    .hero-btns .btn {
        width: 100%;
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        margin: 5px 0;
    }
    
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}
    width: 100%;
    height: 100%;
    background: url('https://cdnjs.cloudflare.com/ajax/libs/placeholder-images/0.1.0/img/placeholder.png') no-repeat center/cover;
    opacity: 0.5;
    transform: scale(1.1);
    animation: hero-bg-zoom 20s infinite alternate ease-in-out;
}

@keyframes hero-bg-zoom {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--light);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-title span {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-btns {
    display: flex;
    gap: var(--spacing-sm);
    animation: fadeInUp 1s ease 0.4s both;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.mouse-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 25px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
}

.wheel {
    width: 3px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 2px;
    animation: wheel 1.5s infinite;
}

@keyframes wheel {
    0%, 100% {
        transform: translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(15px);
        opacity: 0;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* === ABOUT SECTION === */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 86, 179, 0.2);
}

.about-image img {
    transition: var(--transition);
}

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

.about-text p {
    margin-bottom: var(--spacing-sm);
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

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

.stat-item h3 {
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin-bottom: 5px;
}

.stat-item span {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary);
}

/* === VISION & MISSION SECTION === */
.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.vision-mission-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.vision-mission-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.vision-mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background-color: var(--primary);
    z-index: -1;
    transition: var(--transition);
}

.vision-mission-card:hover::before {
    width: 100%;
    background-color: rgba(255, 126, 0, 0.05);
}

.vm-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 126, 0, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.vm-icon i {
    font-size: var(--font-size-lg);
    color: var(--primary);
}

.vision-mission-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.vision-mission-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.vision-mission-text {
    font-size: 0.95rem;
    color: var(--gray);
}

.value-list {
    list-style: none;
}

.value-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

.value-list li i {
    color: var(--primary);
    margin-right: 10px;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* === SERVICES SECTION === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

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

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    z-index: -1;
    transition: var(--transition);
}

.service-card:hover::before {
    height: 100%;
    background-color: rgba(255, 126, 0, 0.05);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 126, 0, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-sm);
    transition: var(--transition);
}

.service-icon i {
    font-size: var(--font-size-lg);
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--primary);
    transform: rotateY(360deg);
}

.service-card:hover .service-icon i {
    color: var(--light);
}

.service-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.service-desc {
    font-size: 0.9rem;
    color: var(--gray);
}

/* === STATS SECTION === */
.stats {
    background-color: var(--dark);
    color: var(--light);
    position: relative;
    padding: var(--spacing-lg) 0;
}

.stats-overlay {
    position: absolute;
    top: 0;
    left: 0;
}