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

:root {
    --primary-orange: #FF6B00;
    --primary-dark: #E65100;
    --secondary-gray: #424242;
    --secondary-light: #757575;
    --accent-orange: #FF8F00;
    --dark: #263238;
    --white: #ffffff;
    --light-bg: #F5F5F5;
    --success: #4CAF50;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

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

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

/* Text Gradient Orange */
.text-gradient-orange {
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   PAGE LOADER
======================================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark), var(--secondary-gray));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--white);
}

.loader-icon {
    font-size: 64px;
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    margin: 20px auto;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    background: var(--primary-orange);
    width: 0;
    animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.loader-content p {
    margin-top: 15px;
    font-weight: 500;
    letter-spacing: 2px;
}

/* ========================================
   SCROLL PROGRESS BAR
======================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange));
    z-index: 9999;
    width: 0;
    transition: width 0.1s ease;
}

/* ========================================
   SCROLL TO TOP BUTTON
======================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8);
    transition: var(--transition);
    z-index: 1000;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.scroll-top-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 107, 0, 0.4);
}

/* ========================================
   HEADER
======================================== */
.header-construction {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

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

.navbar-construction {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    gap: 40px;
}

.logo-construction img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

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

.nav-menu-construction {
    display: flex;
    list-style: none;
    gap: 35px;
    margin: 0;
}

.nav-link {
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange));
    transition: width 0.3s ease;
}

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

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

.header-actions-construction {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-orange);
    font-weight: 600;
    transition: var(--transition);
}

.phone-btn:hover {
    color: var(--primary-dark);
}

.btn-quote {
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 0, 0.4);
}

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

.burger-btn span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

.burger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.burger-btn.active span:nth-child(2) {
    opacity: 0;
}

.burger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ========================================
   HERO SECTION
======================================== */
.hero-construction {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #263238 50%, #37474F 100%);
    padding-top: 80px;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.4) 100%);
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
            linear-gradient(rgba(255, 107, 0, 0.1) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 107, 0, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content-construction {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid rgba(255, 107, 0, 0.3);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-orange);
    margin-bottom: 30px;
}

.hero-title-construction {
    font-size: clamp(30px, 2vw, 72px);
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.1;
    text-shadow: 2px 2px 20px rgba(0,0,0,0.5);
}

.hero-subtitle-construction {
    font-size: clamp(16px, 2vw, 18px);
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.hero-feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 20px;
    background: rgba(255, 107, 0, 0.1);
    border-radius: 10px;
    border-left: 3px solid var(--primary-orange);
    transition: var(--transition);
}

.hero-feature-item:hover {
    background: rgba(255, 107, 0, 0.15);
    transform: translateX(5px);
}

.feature-icon-construction {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

.feature-text p {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

.hero-cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary-construction {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(255, 107, 0, 0.3);
}

.btn-primary-construction:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 107, 0, 0.5);
}

.btn-secondary-construction {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--white);
    padding: 16px 40px;
    border: 2px solid var(--primary-orange);
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

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

.scroll-indicator-construction {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: bounceVertical 2s infinite;
}

@keyframes bounceVertical {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, -10px); }
}

.mouse-scroll {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary-orange);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-orange);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 1.5s infinite;
}

@keyframes wheelScroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 24px; opacity: 0; }
}

/* ========================================
   SECTION HEADERS
======================================== */
section {
    padding: 100px 0;
}

.section-header-construction {
    text-align: center;
    margin-bottom: 60px;
}

.section-label-construction {
    display: inline-block;
    color: var(--primary-orange);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.section-title-construction {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--dark);
    margin-bottom: 15px;
}

.section-subtitle-construction {
    font-size: 18px;
    color: var(--secondary-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   SERVICES SECTION
======================================== */
.services-construction {
    background: var(--light-bg);
}

.services-grid-construction {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
}

.service-card-construction {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
}

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

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

.service-image-construction svg {
    width: 100%;
    height: 100%;
}

.service-icon-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.service-content-construction {
    padding: 30px;
}

.service-content-construction h3 {
    font-size: 24px;
    color: var(--dark);
    margin-bottom: 15px;
}

.service-content-construction p {
    color: var(--secondary-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features-list {
    list-style: none;
    margin-bottom: 25px;
}

.service-features-list li {
    padding: 8px 0;
    color: var(--secondary-gray);
    font-size: 14px;
}

.btn-service {
    display: block;
    text-align: center;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    border-radius: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-service:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.3);
}

/* ========================================
   PRODUCTS SECTION
======================================== */
.products-section {
    background: var(--white);
}

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

.product-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.product-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image svg {
    width: 100%;
    height: 100%;
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 15px;
    background: var(--primary-orange);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.new-badge {
    background: var(--success);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 10px;
}

.product-info p {
    color: var(--secondary-light);
    font-size: 14px;
    margin-bottom: 20px;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 20px;
}

.price-from {
    font-size: 14px;
    color: var(--secondary-light);
}

.price-amount {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-orange);
}

.price-unit {
    font-size: 16px;
    color: var(--secondary-light);
}

.btn-product {
    display: block;
    text-align: center;
    padding: 12px;
    background: var(--dark);
    color: var(--white);
    border-radius: 8px;
    font-weight: 700;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-product:hover {
    background: var(--primary-orange);
}

/* ========================================
   PROJECTS SECTION
======================================== */
.projects-section {
    background: var(--light-bg);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn-projects {
    padding: 12px 25px;
    background: var(--white);
    border: 2px solid var(--primary-orange);
    color: var(--primary-orange);
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn-projects.active,
.filter-btn-projects:hover {
    background: var(--primary-orange);
    color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.project-card {
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition-slow);
}

.project-image {
    position: relative;
    aspect-ratio: 3/2;
    overflow: hidden;
}

.project-image svg {
    width: 100%;
    height: 100%;
    transition: var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

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

.project-info h3 {
    color: var(--white);
    font-size: 24px;
    margin-bottom: 10px;
}

.project-info p {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 5px 12px;
    background: var(--primary-orange);
    color: var(--white);
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.projects-cta {
    text-align: center;
    margin-top: 60px;
}

.projects-cta p {
    font-size: 18px;
    color: var(--secondary-light);
    margin-bottom: 20px;
}

.btn-view-all {
    display: inline-block;
    padding: 14px 40px;
    background: var(--primary-orange);
    color: var(--white);
    border-radius: 30px;
    font-weight: 700;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-view-all:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ========================================
   ABOUT SECTION
======================================== */
.about-construction {
    background: var(--white);
}

.about-grid-construction {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-image-construction {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-construction svg {
    width: 100%;
    height: auto;
    display: block;
}

.about-badge-year {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    padding: 20px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    color: var(--white);
}

.badge-year-number {
    font-size: 32px;
    font-weight: 900;
    line-height: 1;
}

.badge-year-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.about-content-right h3 {
    font-size: 32px;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-lead {
    font-size: 20px;
    color: var(--dark);
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 20px;
}

.about-content-right p {
    color: var(--secondary-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-stats-construction {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 40px 0;
}

.stat-item-construction {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 12px;
    transition: var(--transition);
}

.stat-item-construction:hover {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 143, 0, 0.1));
    transform: translateY(-3px);
}

.stat-icon-construction {
    font-size: 36px;
}

.stat-number {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-orange);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--secondary-light);
    margin-top: 5px;
}

.about-features-construction {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 10px;
    transition: var(--transition);
}

.about-feature-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.about-feature-item svg {
    flex-shrink: 0;
}

.about-feature-item span {
    color: var(--secondary-gray);
    font-size: 15px;
}

/* Advantages Section */
.advantages-section {
    margin-top: 60px;
    padding: 60px 40px;
    background: var(--light-bg);
    border-radius: 20px;
}

.advantages-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark);
    margin-bottom: 40px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 15px;
    transition: var(--transition);
}

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

.advantage-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.advantage-card h4 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 10px;
}

.advantage-card p {
    color: var(--secondary-light);
    font-size: 14px;
    line-height: 1.6;
}

/* ========================================
   CTA SECTION
======================================== */
.cta-section-construction {
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section-construction::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M0 0 L50 50 L0 100 L50 100 L100 50 L50 0 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.5;
}

.cta-content-construction {
    position: relative;
    z-index: 2;
}

.cta-content-construction h2 {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 20px;
}

.cta-content-construction > p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.btn-cta-large-construction {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    color: var(--primary-orange);
    padding: 20px 50px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.btn-cta-large-construction:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.9;
}

/* ========================================
   CONTACTS SECTION
======================================== */
.contacts-construction {
    background: var(--light-bg);
}

.contacts-wrapper-construction {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contacts-info-construction {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-card-construction {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.contact-card-construction:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon-construction {
    font-size: 40px;
    margin-bottom: 15px;
}

.contact-card-construction h3 {
    color: var(--dark);
    font-size: 18px;
    margin-bottom: 15px;
}

.contact-card-construction a {
    color: var(--secondary-light);
    display: block;
    margin-top: 8px;
    transition: var(--transition);
    font-weight: 500;
}

.contact-card-construction a:hover {
    color: var(--primary-orange);
}

.contact-card-construction p {
    color: var(--secondary-light);
    line-height: 1.6;
    margin-top: 5px;
}

.contact-time {
    font-size: 14px;
    margin-top: 10px;
    font-style: italic;
}

.messengers-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.messenger-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    transition: var(--transition);
}

.whatsapp {
    background: #25D366;
    color: var(--white);
}

.whatsapp:hover {
    background: #128C7E;
}

.telegram {
    background: #0088cc;
    color: var(--white);
}

.telegram:hover {
    background: #006699;
}

.viber {
    background: #665CAC;
    color: var(--white);
}

.viber:hover {
    background: #59479F;
}

.contact-form-construction {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-form-construction h3 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 10px;
}

.form-subtitle {
    color: var(--secondary-light);
    margin-bottom: 30px;
}

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

.form-group-construction {
    position: relative;
}

.form-group-construction input,
.form-group-construction select,
.form-group-construction textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    background: var(--white);
}

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

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

.btn-submit-construction {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    padding: 16px;
    border: none;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit-construction:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.3);
}

.form-privacy {
    font-size: 12px;
    color: var(--secondary-light);
    text-align: center;
    margin-top: 15px;
}

.form-privacy a {
    color: var(--primary-orange);
    text-decoration: underline;
}

.map-placeholder-construction {
    margin-top: 40px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-placeholder-construction svg {
    width: 100%;
    height: auto;
}

/* ========================================
   FOOTER
======================================== */
.footer-construction {
    background: linear-gradient(135deg, #1a1a1a, var(--dark));
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content-construction {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-construction {
    width: 180px;
    margin-bottom: 20px;
}

.footer-col-construction p {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 107, 0, 0.1);
    border: 2px solid var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
    color: var(--primary-orange);
}

.footer-social a:hover {
    background: var(--primary-orange);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col-construction h4 {
    color: var(--primary-orange);
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-col-construction ul {
    list-style: none;
}

.footer-col-construction ul li {
    margin-bottom: 12px;
    color: rgba(255,255,255,0.7);
}

.footer-col-construction ul li a {
    transition: var(--transition);
}

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

.footer-bottom-construction {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 107, 0, 0.2);
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-legal {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--primary-orange);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
    .nav-menu-construction {
        gap: 20px;
    }

    .hero-features-grid {
        grid-template-columns: 1fr;
    }

    .about-grid-construction {
        grid-template-columns: 1fr;
    }

    .contacts-wrapper-construction {
        grid-template-columns: 1fr;
    }

    .contacts-info-construction {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .burger-btn {
        display: flex;
    }

    .nav-menu-construction {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 40px 20px;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu-construction.active {
        left: 0;
    }

    .header-actions-construction {
        display: none;
    }

    .hero-cta-buttons {
        flex-direction: column;
    }

    section {
        padding: 60px 0;
    }

    .services-grid-construction {
        grid-template-columns: 1fr;
    }

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

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

    .about-stats-construction {
        grid-template-columns: 1fr;
    }

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

    .footer-content-construction {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title-construction {
        font-size: 32px;
    }

    .btn-primary-construction,
    .btn-secondary-construction {
        padding: 14px 30px;
        font-size: 14px;
    }

    .section-title-construction {
        font-size: 28px;
    }

    .contact-form-construction {
        padding: 25px;
    }

    .footer-social {
        justify-content: center;
    }
}

/* ========================================
   ANIMATIONS & UTILITIES
======================================== */
.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.6s ease;
}

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

/* Smooth visibility transitions */
.hidden {
    opacity: 0;
    visibility: hidden;
}

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

/* ========================================
   HEADER - ОБНОВЛЕННЫЙ
======================================== */
.header-construction {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    z-index: 1000;
    transition: var(--transition);
    padding: 10px 0;
}

.header-construction.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 5px 0;
}

.navbar-construction {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    gap: 40px;
}

.logo-construction {
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 15px;
    border-radius: 10px;
    transition: var(--transition);
}

.header-construction.scrolled .logo-construction {
    background: transparent;
    padding: 0;
}

.logo-construction img {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

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

.nav-menu-construction {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
}

.nav-link {
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 15px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.header-construction.scrolled .nav-link {
    color: var(--dark);
    background: transparent;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange));
    transition: width 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-orange);
    background: rgba(255, 107, 0, 0.1);
}

.header-construction.scrolled .nav-link:hover {
    color: var(--primary-orange);
}

.header-actions-construction {
    display: flex;
    align-items: center;
    gap: 15px;
}

.phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(5px);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-construction.scrolled .phone-btn {
    color: var(--primary-orange);
    background: rgba(255, 107, 0, 0.1);
    border-color: var(--primary-orange);
}

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

.btn-quote {
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
    border: 2px solid transparent;
}

.btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

.burger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px 10px;
    transition: var(--transition);
}

.header-construction.scrolled .burger-btn {
    background: rgba(255, 107, 0, 0.1);
    border-color: var(--primary-orange);
}

.burger-btn span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.header-construction.scrolled .burger-btn span {
    background: var(--primary-orange);
}

.burger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.burger-btn.active span:nth-child(2) {
    opacity: 0;
}

.burger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ========================================
   HERO SECTION - ОБНОВЛЕННЫЙ
======================================== */
.hero-construction {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #263238 100%);
    padding: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(255, 107, 0, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(255, 143, 0, 0.1) 0%, transparent 50%);
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
            linear-gradient(rgba(255, 107, 0, 0.05) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 107, 0, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Animated shapes */
.hero-bg-construction::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -150px;
    animation: float1 20s ease-in-out infinite;
}

.hero-bg-construction::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 143, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -200px;
    left: -100px;
    animation: float2 25s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -50px) scale(1.1); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 40px) scale(1.15); }
}

.hero-content-construction {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 1000px;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 10px 25px;
    background: rgba(255, 107, 0, 0.2);
    border: 2px solid rgba(255, 107, 0, 0.4);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 30px;
    animation: pulse 3s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        border-color: rgba(255, 107, 0, 0.4);
    }
    50% {
        transform: scale(1.05);
        border-color: rgba(255, 107, 0, 0.8);
    }
}

.hero-title-construction {
    font-size: clamp(30px, 2vw, 72px);
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
    letter-spacing: -1px;
}

.hero-subtitle-construction {
    font-size: clamp(16px, 2.5vw, 20px);
    color: rgba(255,255,255,0.85);
    margin-bottom: 50px;
    line-height: 1.8;
    max-width: 800px;
}

.hero-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.hero-feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-left: 4px solid var(--primary-orange);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.hero-feature-item:hover {
    background: rgba(255, 107, 0, 0.15);
    border-color: var(--primary-orange);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.2);
}

.feature-icon-construction {
    font-size: 36px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(255, 107, 0, 0.5));
}

.feature-text h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--white);
}

.feature-text p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
}

.hero-cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-primary-construction {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    padding: 18px 45px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 10px 40px rgba(255, 107, 0, 0.4);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary-construction::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary-construction:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary-construction:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(255, 107, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary-construction {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    padding: 18px 45px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.btn-secondary-construction:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
}

.scroll-indicator-construction {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.6);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: bounceVertical 2s infinite;
}

@keyframes bounceVertical {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, -15px); }
}

.mouse-scroll {
    width: 28px;
    height: 45px;
    border: 2px solid rgba(255, 107, 0, 0.6);
    border-radius: 20px;
    position: relative;
    box-shadow: 0 0 15px rgba(255, 107, 0, 0.3);
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-orange);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 2s infinite;
    box-shadow: 0 0 10px var(--primary-orange);
}

@keyframes wheelScroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 28px; opacity: 0; }
}

/* ========================================
   RESPONSIVE UPDATES
======================================== */
@media (max-width: 768px) {
    .header-construction {
        background: rgba(26, 26, 26, 0.95);
        backdrop-filter: blur(10px);
    }

    .logo-construction {
        background: transparent;
    }

    .burger-btn {
        display: flex;
    }

    .nav-menu-construction {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 40px 20px;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }

    .nav-menu-construction.active {
        left: 0;
    }

    .nav-link {
        background: rgba(255, 107, 0, 0.1);
        padding: 15px 20px;
        border-radius: 10px;
        width: 100%;
        text-align: center;
    }

    .header-actions-construction {
        display: none;
    }

    .hero-construction {
        padding: 100px 0 60px;
    }

    .hero-cta-buttons {
        flex-direction: column;
    }

    .btn-primary-construction,
    .btn-secondary-construction {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title-construction {
        font-size: 32px;
    }

    .hero-features-grid {
        grid-template-columns: 1fr;
    }

    .hero-feature-item {
        padding: 20px;
    }
}


#navMenu li{
    white-space: nowrap !important;
}


.hero-content-construction{
    margin: 120px 0 0 0;
}



/* ========================================
   ABOUT SECTION - NEW DESIGN
======================================== */
.about-construction-new {
    background: var(--white);
}

.about-main-block {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.about-text-block {
    position: relative;
}

.about-badge-years {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.about-badge-years::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

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

.years-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    position: relative;
    z-index: 1;
}

.years-text {
    font-size: 14px;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
    position: relative;
    z-index: 1;
}

.about-text-block h3 {
    font-size: 36px;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-lead-text {
    font-size: 18px;
    color: var(--dark);
    font-weight: 500;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-text-block p {
    color: var(--secondary-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-achievements {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.achievement-item {
    text-align: center;
    padding: 25px 15px;
    background: var(--light-bg);
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.achievement-item:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.15);
}

.achievement-number {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.achievement-label {
    font-size: 13px;
    color: var(--secondary-light);
    line-height: 1.4;
}

.about-visual-block {
    position: relative;
}

.about-image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.about-image-card svg {
    width: 100%;
    height: auto;
    display: block;
}

.about-stats-overlay {
    position: absolute;
    bottom: 30px;
    left: 30px;
    right: 30px;
}

.stat-badge {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.stat-icon {
    font-size: 32px;
}

.stat-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
}

/* Why Choose Us */
.why-choose-us {
    margin-bottom: 100px;
}

.why-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark);
    margin-bottom: 50px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.why-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 20px;
    border: 2px solid var(--light-bg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.why-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 107, 0, 0.15);
}

.why-icon {
    margin-bottom: 20px;
}

.why-card h4 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 15px;
}

.why-card p {
    color: var(--secondary-light);
    line-height: 1.7;
    font-size: 15px;
}

/* Timeline */
.company-timeline {
    position: relative;
    margin-bottom: 100px;
    padding: 60px 0;
}

.timeline-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark);
    margin-bottom: 80px;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 150px;
    bottom: 50px;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-orange), var(--accent-orange));
    transform: translateX(-50%);
}

.timeline-items {
    position: relative;
}

.timeline-item {
    position: relative;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(30px);
    animation: timelineFadeIn 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes timelineFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
    margin-right: calc(50% + 40px);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 40px);
    margin-right: auto;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 4px solid var(--primary-orange);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    transition: var(--transition);
    box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.1);
}

.timeline-dot.active {
    width: 30px;
    height: 30px;
    background: var(--primary-orange);
    animation: pulse-timeline 2s infinite;
}

@keyframes pulse-timeline {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(255, 107, 0, 0);
    }
}

.timeline-content {
    background: var(--white);
    padding: 25px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 400px;
    border-left: 4px solid var(--primary-orange);
}

.timeline-year {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-orange));
    color: var(--white);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
}

.timeline-content h4 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--secondary-light);
    line-height: 1.6;
    font-size: 14px;
}

/* Certificates */
.certificates-block {
    padding: 60px;
    background: linear-gradient(135deg, var(--light-bg), #ffffff);
    border-radius: 30px;
}

.certificates-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark);
    margin-bottom: 15px;
}

.certificates-subtitle {
    text-align: center;
    color: var(--secondary-light);
    margin-bottom: 50px;
    font-size: 16px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.certificate-card {
    text-align: center;
    padding: 35px 25px;
    background: var(--white);
    border-radius: 20px;
    border: 2px solid var(--light-bg);
    transition: var(--transition);
    cursor: pointer;
}

.certificate-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 107, 0, 0.15);
}

.certificate-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.certificate-card h4 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 12px;
}

.certificate-card p {
    color: var(--secondary-light);
    font-size: 14px;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-main-block {
        grid-template-columns: 1fr;
    }

    .about-achievements {
        grid-template-columns: repeat(3, 1fr);
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: calc(50% + 40px);
        margin-right: auto;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .about-achievements {
        grid-template-columns: 1fr;
    }

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

    .timeline-line {
        left: 30px;
    }

    .timeline-dot {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 70px;
        margin-right: 0;
        text-align: left;
    }

    .certificates-block {
        padding: 40px 20px;
    }

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