:root {
    --primary: #0052cc;
    --primary-dark: #003d99;
    --primary-light: #4c9aff;
    --secondary: #00b8d9;
    --accent: #36b37e;
    --dark: #091e42;
    --darker: #020c1b;
    --gray-900: #1a1f36;
    --gray-800: #2d3748;
    --gray-600: #4a5568;
    --gray-400: #a0aec0;
    --gray-200: #e2e8f0;
    --gray-100: #f7fafc;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-dark: linear-gradient(180deg, var(--darker) 0%, var(--gray-900) 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-600);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

ul {
    list-style: none;
}

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

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 82, 204, 0.1);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-400);
    line-height: 1.7;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(0px);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 20px;
    color: var(--dark);
    transition: color 0.3s ease;
}

.header:not(.scrolled) .nav-logo .logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header:not(.scrolled) .nav-logo .flag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
    transition: all 0.3s ease;
}

.logo-flags {
    display: flex;
    gap: 4px;
    margin-left: 8px;
}

.flag {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    background: rgba(0, 82, 204, 0.1);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.logo-icon {
    font-size: 24px;
}

.logo-ai-icon {
    font-size: 20px;
    transition: all 0.3s ease;
}

.header:not(.scrolled) .nav-logo .logo-ai-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(0, 82, 204, 0.05);
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: var(--white) !important;
    margin-left: 8px;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 82, 204, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
    opacity: 0.95;
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 82, 204, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 82, 204, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px 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);
}

.btn-sm {
    padding: 12px 24px;
    font-size: 14px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.stat-unit {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary);
    margin-left: 4px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

.overview {
    background: var(--gray-100);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.overview-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.overview-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.overview-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 82, 204, 0.1) 0%, rgba(0, 184, 217, 0.1) 100%);
    border-radius: 16px;
    margin-bottom: 20px;
    color: var(--primary);
}

.overview-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.overview-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
}

.advantages {
    background: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-card {
    background: var(--gray-100);
    padding: 32px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.advantage-card--large {
    grid-column: span 2;
}

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

.advantage-card--highlight h3,
.advantage-card--highlight p {
    color: var(--white);
}

.advantage-number {
    font-size: 64px;
    font-weight: 800;
    color: rgba(0, 82, 204, 0.1);
    position: absolute;
    top: -10px;
    right: 20px;
    line-height: 1;
}

.advantage-card--highlight .advantage-number {
    color: rgba(255, 255, 255, 0.2);
}

.advantage-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    position: relative;
}

.advantage-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
    position: relative;
}

.advantage-list {
    margin-top: 16px;
    position: relative;
}

.advantage-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.advantage-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.advantage-card--highlight .advantage-list li::before {
    background: var(--white);
}

.advantage-mini-stats {
    display: flex;
    gap: 24px;
    margin-top: 16px;
}

.mini-stat {
    display: flex;
    flex-direction: column;
}

.mini-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.mini-stat-label {
    font-size: 12px;
    color: var(--gray-400);
}

.advantage-cta {
    margin-top: 24px;
    position: relative;
}

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

.market {
    background: var(--gray-900);
    color: var(--white);
}

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

.market .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.market-stat {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: var(--transition);
}

.market-stat:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.market-stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 82, 204, 0.2);
    border-radius: 12px;
    color: var(--primary-light);
}

.market-stat-content {
    margin-bottom: 12px;
}

.counter {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.counter-unit {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary);
    margin-left: 4px;
}

.market-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.market-cta {
    text-align: center;
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.market-cta p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

/* Map Section */
.map {
    background: var(--white);
}

.map-container {
    margin-top: 60px;
}

.china-map {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.map-image img {
    width: 100%;
    height: auto;
    display: block;
}

.map-markers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.map-marker {
    position: absolute;
    pointer-events: all;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.map-marker:hover {
    transform: scale(1.1);
}

.marker-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--primary);
    position: relative;
    z-index: 2;
}

.marker-info {
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    margin-left: 12px;
    background: var(--white);
    padding: 12px 16px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1;
}

.map-marker:hover .marker-info {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%);
}

.marker-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--dark);
}

.marker-info p {
    font-size: 12px;
    color: var(--gray-600);
    margin: 0;
}

/* Projects Section */
.projects {
    background: var(--gray-100);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.project-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-location {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
}

.project-status {
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.status-active {
    background: rgba(72, 187, 120, 0.1);
    color: #48BB78;
}

.status-planning {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
}

.project-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.project-description {
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.6;
}

.project-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: 12px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-item strong {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item span {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.project-investment {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.investment-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.investment-label {
    font-size: 12px;
    color: var(--gray-600);
}

.investment-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.process {
    background: var(--gray-100);
}

.process-timeline {
    display: flex;
    gap: 0;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    z-index: 0;
}

.process-step {
    flex: 1;
    position: relative;
    padding: 0 20px;
    text-align: center;
}

.process-number {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 28px;
    font-weight: 700;
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 14px rgba(0, 82, 204, 0.4);
}

.process-content {
    background: var(--white);
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.process-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.process-content p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 12px;
}

.process-duration {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 82, 204, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
}

.process-arrow {
    position: absolute;
    top: 76px;
    right: -12px;
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-left: 12px solid var(--primary-light);
    z-index: 2;
}

.process-step:last-child .process-arrow {
    display: none;
}

.faq {
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
}

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

.faq-icon {
    flex-shrink: 0;
    transition: var(--transition);
    color: var(--gray-400);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: 24px;
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

.contact {
    background: var(--gray-100);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
}

.contact-info .section-subtitle {
    text-align: left;
}

.contact-details {
    margin-top: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--gray-600);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    background: var(--gray-100);
    color: var(--dark);
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

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

.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantage-card--large {
        grid-column: span 1;
    }

    .market-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        flex-direction: column;
        gap: 24px;
    }

    .process-timeline::before {
        display: none;
    }

    .process-arrow {
        display: none;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: 16px;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1000;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-link {
        font-size: 20px;
        padding: 16px 32px;
    }

    .nav-cta {
        margin-left: 0;
        text-align: center;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-unit {
        font-size: 16px;
    }

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

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

    .counter {
        font-size: 42px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .project-details {
        grid-template-columns: 1fr;
    }

    .map-marker {
        transform: scale(0.8);
    }

    .marker-info {
        min-width: 120px;
        padding: 8px 12px;
    }

    .marker-info h4 {
        font-size: 12px;
    }

    .marker-info p {
        font-size: 10px;
    }
}