/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fafafa;
    overflow-x: hidden;
    font-size: 16px;
}

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

/* Focus styles */
*:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

h1 { 
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 { 
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

h4 { 
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.7;
}

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

.section {
    padding: 6rem 0;
    position: relative;
}

.section--alt {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    color: white;
}

.section--alt .section__title {
    color: white;
}

.section--alt .section__subtitle {
    color: rgba(255,255,255,0.8);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section__header::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    border-radius: 2px;
}

.section__title {
    margin-bottom: 1.5rem;
    position: relative;
}

.section__subtitle {
    font-size: 1.3rem;
    color: #718096;
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

 .nav__logo {
     display: none;
 }

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav__link:hover {
    color: #4299e1;
    background: rgba(66, 153, 225, 0.1);
    transform: translateY(-2px);
}

.nav__link.active {
    color: #4299e1;
    background: rgba(66, 153, 225, 0.15);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav__link.active::after {
    width: 80%;
}

/* Mobile menu toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav__toggle-line {
    width: 25px;
    height: 3px;
    background-color: #1f2937;
    margin: 3px 0;
    transition: 0.3s;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 6rem 0;
    background: #f8fafc;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(66, 153, 225, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(49, 130, 206, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(102, 126, 234, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero__content {
    position: relative;
    padding-right: 2rem;
}

.hero__title {
    color: #1a202c;
    margin-bottom: 2rem;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero__title-accent {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-top: 0.5rem;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 3rem;
    font-weight: 400;
    line-height: 1.6;
    max-width: 450px;
}

.hero__cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero__stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #4299e1;
    display: block;
    line-height: 1;
}

.hero__stat-label {
    font-size: 0.9rem;
    color: #718096;
    font-weight: 500;
    margin-top: 0.5rem;
}

.hero__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-left: 2rem;
}

.hero__image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.hero__image-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    border-radius: 24px;
    z-index: -1;
    opacity: 0.1;
}

.hero__image-container::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.2;
}

.hero__image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(66, 153, 225, 0.2);
    transition: all 0.4s ease;
}

.hero__image:hover img {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 35px 70px rgba(66, 153, 225, 0.3);
}

.hero__floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.hero__floating-element {
    position: absolute;
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero__floating-element:nth-child(1) {
    width: 60px;
    height: 60px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.hero__floating-element:nth-child(2) {
    width: 40px;
    height: 40px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.hero__floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* ===== FEATURES BANNER ===== */
.features {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    color: white;
    padding: 4rem 0;
    position: relative;
}

.features__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.features__item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.features__item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.features__icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.features__item h3 {
    margin-bottom: 1rem;
    color: #4299e1;
    font-size: 1.3rem;
    font-weight: 600;
}

.features__item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-size: 1rem;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.btn--primary {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(66, 153, 225, 0.4);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(66, 153, 225, 0.6);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn--outline {
    background: transparent;
    color: #111827;
    border: 2px solid #111827;
    box-shadow: none;
}

.btn--outline:hover {
    background: #111827;
    color: #f8fafc;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(17, 24, 39, 0.2);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn--full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn__loading {
    display: none;
}

/* ===== GALLERY ===== */
.gallery {
    margin: 2rem 0;
}

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

.gallery__item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery__item:hover {
    transform: scale(1.02);
}

.gallery__item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__icon {
    color: white;
    font-size: 2rem;
}

/* ===== GABION PRODUCTS ===== */
.gabion-products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
}

.gabion-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.gabion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
}

.gabion-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.9) 100%);
}

.gabion-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(66, 153, 225, 0.2);
}

.gabion-card h4 {
    color: #1a1a1a;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
}

.gabion-price {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 3px 12px rgba(66, 153, 225, 0.3);
}

.gabion-specs {
    margin-bottom: 1.5rem;
}

.spec-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: #4a5568;
    font-weight: 500;
    font-size: 0.9rem;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item strong {
    color: #4299e1;
    font-weight: 600;
}

.gabion-includes h5 {
    color: #4299e1;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.gabion-includes ul {
    list-style: none;
    padding: 0;
}

.gabion-includes li {
    padding: 0.3rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: #4a5568;
    font-weight: 500;
    font-size: 0.85rem;
}

.gabion-includes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4299e1;
    font-weight: bold;
    font-size: 1.1rem;
}

/* ===== CLOTURES GRID ===== */
.clotures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.cloture-category {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    text-align: center;
}

.cloture-category:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.cloture-category__header {
    margin-bottom: 2rem;
}

.cloture-category__header h3 {
    color: #4299e1;
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.cloture-category__header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
}

.cloture-features {
    margin-bottom: 2rem;
    text-align: left;
}

.cloture-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cloture-features li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 1rem;
}

.cloture-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4299e1;
    font-weight: bold;
    font-size: 1.1rem;
}

.cloture-features li strong {
    color: #4299e1;
    font-weight: 600;
}

.cloture-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.cloture-gallery .gallery__item {
    border-radius: 8px;
    overflow: hidden;
}

.cloture-gallery .gallery__item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

/* ===== PRODUCT CARDS ===== */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.product-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
}

.product-card h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.product-card ul {
    list-style: none;
}

.product-card li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    padding-left: 1.5rem;
    color: #4a5568;
    font-weight: 500;
}

.product-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.1rem;
}

.product-card li:last-child {
    border-bottom: none;
}

/* ===== PROJECTS ===== */
.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #667eea;
    background: rgba(255, 255, 255, 0.1);
    color: #667eea;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-card.hidden {
    display: none;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card__content {
    padding: 2rem;
    position: relative;
}

.project-card__content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.project-card__content h4 {
    margin-bottom: 0.75rem;
    color: #1a1a1a;
    font-weight: 700;
    font-size: 1.2rem;
}

.project-card__content p {
    color: #6b7280;
    margin-bottom: 1rem;
    font-weight: 500;
}

.project-year {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* ===== FAQ ===== */
.faq {
    max-width: 900px;
    margin: 0 auto;
}

.faq__item {
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.faq__item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.faq__question {
    width: 100%;
    padding: 2rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: #1a1a1a;
    transition: all 0.3s ease;
    position: relative;
}

.faq__question:hover {
    background: rgba(102, 126, 234, 0.05);
}

.faq__question[aria-expanded="true"] {
    background: rgba(102, 126, 234, 0.1);
}

.faq__icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    font-weight: bold;
}

.faq__question[aria-expanded="true"] .faq__icon {
    transform: rotate(45deg);
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq__answer.active {
    max-height: 300px;
}

.faq__answer p {
    padding: 0 2rem 2rem;
    color: #4a5568;
    line-height: 1.7;
    font-size: 1.1rem;
    font-weight: 400;
}

/* ===== CONTACT ===== */
.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-form {
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px 20px 0 0;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: #667eea;
    outline: none;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

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

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

.contact__details h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact__item {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.contact__item strong {
    color: #3498db;
}

.contact__item a {
    color: #2c3e50;
    text-decoration: none;
}

.contact__item a:hover {
    color: #3498db;
}

.contact__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact__map {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.footer__section h4,
.footer__section h5 {
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.3rem;
}

.footer__section ul {
    list-style: none;
}

.footer__section li {
    margin-bottom: 0.5rem;
}

.footer__section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer__section a:hover {
    color: #ffd89b;
    transform: translateX(5px);
}

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

.footer__social a {
    font-size: 1.8rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.footer__social a:hover {
    transform: scale(1.2) translateY(-3px);
    background: rgba(255, 216, 155, 0.2);
    box-shadow: 0 8px 25px rgba(255, 216, 155, 0.3);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 2;
}

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.lightbox__content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    z-index: 2001;
}

.lightbox__image {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
}

.lightbox__close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 2002;
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    z-index: 2002;
}

.lightbox__prev,
.lightbox__next {
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 1rem;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.lightbox__prev:hover,
.lightbox__next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.modal__content {
    position: relative;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 1501;
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #7f8c8d;
}

.modal__body {
    margin-top: 1rem;
}

.modal__body p {
    margin-bottom: 1rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 0;
    }

    .hero__container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding: 0 1rem;
    }

    .hero__content {
        padding-right: 0;
        padding-bottom: 2rem;
    }

    .hero__image {
        padding-left: 0;
        padding-top: 2rem;
    }

    .hero__cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .hero__stats {
        justify-content: center;
        gap: 1.5rem;
    }

    .contact {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact__actions {
        justify-content: center;
    }

    .filters {
        justify-content: center;
    }

    .filter-btn {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }

    .projects {
        grid-template-columns: 1fr;
    }

    .products {
        grid-template-columns: 1fr;
    }

    .gabion-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .clotures-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .gallery__grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .lightbox__nav {
        display: none;
    }
}

@media (max-width: 540px) {
    .nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }

    .section {
        padding: 2rem 0;
    }

    .hero {
        padding: 3rem 0 2rem;
    }

    .hero__container {
        padding: 0 1rem;
        gap: 2rem;
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .btn--large {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
    }

    .hero__cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero__stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .hero__stat {
        min-width: 120px;
    }

    .features__container {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .gabion-products {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .clotures-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form {
        padding: 1rem;
    }

    .modal__content {
        padding: 1rem;
        margin: 1rem;
    }
}

/* ===== UTILITIES ===== */
.hidden {
    display: none !important;
}

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

.text-content {
    margin-bottom: 2rem;
}

.text-content ul {
    list-style: none;
    padding-left: 0;
}

.text-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.text-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* ===== SUCCESS/ERROR STATES ===== */
.form-success {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #c3e6cb;
}

.form-error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .footer,
    .lightbox,
    .modal {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section {
        page-break-inside: avoid;
    }
}