/* ===================================
   Variables CSS
   =================================== */
:root {
    --primary-color: #FFA500;
    --secondary-color: #00A6AB;
    --accent-color: #FFA500;
    --dark-color: #1A1A2E;
    --light-color: #F5F5F5;
    --white-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #E0E0E0;
    
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    --transition-speed: 0.3s;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white-color);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-image {
    height: 50px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    display: flex;
    flex-direction: column;
}

.logo-title strong {
    font-weight: 800;
}

.logo-line-1 {
    color: #FFA500; /* Orange du logo */
    display: block;
}

.logo-line-2 {
    color: #00A6AB; /* Teal/Vert du logo */
    display: block;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    margin: 0;
    line-height: 1.3;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
}

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

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

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

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

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    transition: all var(--transition-speed) ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/mining-equipment.jpg');
    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: linear-gradient(135deg, rgba(0, 166, 171, 0.85) 0%, rgba(26, 26, 46, 0.9) 100%);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        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='0.03'%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");
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white-color);
    padding: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white-color);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 14px 35px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
}

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

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

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   About Section
   =================================== */
.section-about {
    background-color: var(--white-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 40px;
}

.about-images {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    height: 500px;
}

.about-image-main {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

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

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

.about-image-secondary {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    margin-top: 80px;
}

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

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

.about-text {
    max-width: 100%;
}

.lead {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 10px;
    transition: all var(--transition-speed) ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.stat-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-item h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

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

/* ===================================
   Services Section
   =================================== */
.section-services {
    background: linear-gradient(135deg, var(--light-color) 0%, #e8f4f8 100%);
}

.services-grid-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.service-card-detailed {
    background-color: var(--white-color);
    border-radius: 15px;
    padding: 35px 30px;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
    border-top: 5px solid var(--primary-color);
}

.service-card-detailed:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.service-card-detailed .service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card-detailed .service-icon i {
    font-size: 2rem;
    color: var(--white-color);
}

.service-card-detailed > h3 {
    font-size: 1.6rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.service-subcategories {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.subcategory {
    padding-left: 10px;
}

.subcategory h4 {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.subcategory h4 i {
    font-size: 1rem;
    color: var(--primary-color);
}

.service-sublist {
    list-style: none;
    padding-left: 25px;
    margin-top: 8px;
}

.service-sublist li {
    padding: 6px 0;
    color: var(--text-light);
    font-size: 0.95rem;
    position: relative;
    line-height: 1.6;
}

.service-sublist li::before {
    content: '▸';
    position: absolute;
    left: -15px;
    color: var(--primary-color);
    font-weight: bold;
}

/* Old service grid styles (keep for compatibility) */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.service-card {
    background-color: var(--white-color);
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
    border-top: 4px solid var(--primary-color);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--white-color);
}

.service-card h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

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

.service-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* ===================================
   Image Gallery Section
   =================================== */
.section-gallery {
    background-color: var(--white-color);
    padding: 60px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.gallery-item {
    position: relative;
    height: 350px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    cursor: pointer;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 166, 171, 0.95), transparent);
    padding: 30px 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

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

.gallery-overlay h3 {
    color: var(--white-color);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin: 0;
}

/* ===================================
   Expertise Section
   =================================== */
.section-expertise {
    background-color: var(--white-color);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.expertise-card {
    position: relative;
    padding: 40px 30px;
    background-color: var(--light-color);
    border-radius: 15px;
    transition: all var(--transition-speed) ease;
    overflow: hidden;
}

.expertise-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 var(--transition-speed) ease;
}

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

.expertise-card:hover {
    background-color: var(--white-color);
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-5px);
}

.expertise-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 107, 53, 0.1);
}

.expertise-icon {
    width: 70px;
    height: 70px;
    background-color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

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

.expertise-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.expertise-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* ===================================
   Values Section
   =================================== */
.section-values {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
    color: var(--white-color);
}

.section-values .section-badge {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--white-color);
}

.section-values .section-title {
    color: var(--white-color);
}

.section-values .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.value-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all var(--transition-speed) ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.value-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.value-icon i {
    font-size: 2.5rem;
    color: var(--white-color);
}

.value-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.value-card p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin: 0;
}

/* ===================================
   Contact Section
   =================================== */
.section-contact {
    background-color: var(--light-color);
}

.contact-content {
    margin-top: 20px;
}

/* Removed contact-info styles since it's been deleted */

.contact-form-wrapper {
    background-color: var(--white-color);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 10px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    display: none;
    font-weight: 500;
}

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

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

/* ===================================
   Map Section
   =================================== */
.map-section {
    background-color: var(--light-color);
    padding: 80px 0;
}

.map-container {
    margin: 40px 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow-hover);
}

.map-container iframe {
    display: block;
    width: 100%;
}

.map-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.map-info-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background-color: var(--white-color);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
}

.map-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.map-info-card i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.map-info-card h4 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.map-info-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

.footer-logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

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

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0;
}

.footer-tagline {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-speed) ease;
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    z-index: 999;
    box-shadow: var(--box-shadow);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

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

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-images {
        height: 400px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .services-grid-detailed,
    .expertise-grid,
    .values-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--white-color);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: var(--box-shadow);
        transform: translateX(-100%);
        transition: transform var(--transition-speed) ease;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: 15px 0;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .hero {
        min-height: 100vh;
        padding-top: 80px;
        background-attachment: scroll;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-images {
        height: 300px;
        grid-template-columns: 1fr;
    }
    
    .about-image-main {
        grid-row: 1 / 2;
    }
    
    .about-image-secondary {
        grid-row: 2 / 3;
        margin-top: 0;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .logo {
        gap: 10px;
    }
    
    .logo-image {
        height: 35px;
    }
    
    .logo-title {
        font-size: 0.7rem;
        line-height: 1.15;
        gap: 1px;
    }
    
    .logo-subtitle {
        font-size: 0.65rem;
        line-height: 1.2;
    }
    
    .footer-logo-img {
        height: 30px;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .services-grid,
    .services-grid-detailed,
    .expertise-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card,
    .service-card-detailed,
    .expertise-card,
    .value-card {
        padding: 25px 20px;
    }
}






        .catalog-hero {
            background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
            padding: 100px 0 60px;
            text-align: center;
            color: var(--white-color);
        }
        
        .catalog-hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
        }
        
        .catalog-hero p {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        
        .catalog-section {
            padding: 80px 0;
            background: var(--light-color);
        }
        
        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .catalog-card {
            background: var(--white-color);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
        }
        
        .catalog-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .catalog-icon {
            width: 100px;
            height: 100px;
            margin: 0 auto 25px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--white-color);
        }
        
        .catalog-card h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        
        .catalog-card p {
            color: var(--text-light);
            margin-bottom: 25px;
            line-height: 1.8;
        }
        
        .catalog-meta {
            display: flex;
            justify-content: space-around;
            margin: 20px 0;
            padding: 20px;
            background: var(--light-color);
            border-radius: 10px;
        }
        
        .catalog-meta-item {
            text-align: center;
        }
        
        .catalog-meta-item i {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        
        .catalog-meta-item strong {
            display: block;
            color: var(--dark-color);
            font-size: 0.9rem;
        }
        
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: var(--white-color);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-download:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
        }
        
        .pdf-viewer {
            margin-top: 60px;
            background: var(--white-color);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        .pdf-viewer h2 {
            text-align: center;
            margin-bottom: 30px;
            color: var(--dark-color);
        }
        
        .pdf-embed {
            width: 100%;
            height: 800px;
            border: none;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .upload-section {
            background: var(--white-color);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            margin-bottom: 40px;
        }
        
        .upload-area {
            border: 3px dashed var(--border-color);
            border-radius: 15px;
            padding: 60px 40px;
            text-align: center;
            background: var(--light-color);
            transition: all 0.3s;
        }
        
        .upload-area:hover {
            border-color: var(--primary-color);
            background: rgba(255, 165, 0, 0.05);
        }
        
        .upload-area i {
            font-size: 4rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .upload-area h3 {
            color: var(--dark-color);
            margin-bottom: 10px;
        }
        
        .upload-area p {
            color: var(--text-light);
            margin-bottom: 20px;
        }
        
        @media (max-width: 768px) {
            .catalog-hero h1 {
                font-size: 2rem;
            }
            
            .catalog-grid {
                grid-template-columns: 1fr;
            }
            
            .pdf-embed {
                height: 500px;
            }
        }