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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.nav-brand a:hover {
    opacity: 0.8;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    margin-left: auto;
    margin-right: 150px;
}

.nav-link {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

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

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lang-btn {
    text-decoration: none;
    opacity: 0.7;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background: transparent;
}

.flag-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.lang-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.lang-btn.active {
    opacity: 1;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: 
        linear-gradient(rgba(37, 99, 235, 0.7), rgba(59, 130, 246, 0.5)),
        url('../images/hero-bg.jpg') center/cover no-repeat,
        linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.1);
    z-index: 1;
}

.hero-overlay {
    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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.05"/><circle cx="50" cy="10" r="1.5" fill="white" opacity="0.08"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(0px) translateY(0px); }
    25% { transform: translateX(20px) translateY(-20px); }
    50% { transform: translateX(-15px) translateY(15px); }
    75% { transform: translateX(10px) translateY(-10px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 2px;
    height: 50px;
    background: rgba(255, 255, 255, 0.8);
    position: relative;
    animation: scroll 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid rgba(255, 255, 255, 0.8);
}

@keyframes scroll {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 1rem 0 4rem 0;
    background: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.service-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    color: #6b7280;
    line-height: 1.7;
}

/* Expansion Goal Section */
.expansion-goal {
    padding: 5rem 0;
    background: 
        linear-gradient(135deg, 
            #1e3a8a 0%, 
            #1e40af 25%, 
            #2563eb 50%, 
            #3b82f6 75%, 
            #1d4ed8 100%
        );
    color: white;
    position: relative;
    overflow: hidden;
}

.expansion-goal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.expansion-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.expansion-number {
    text-align: center;
    padding: 3rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    overflow: visible;
}

.expansion-bg-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: 120%;
    max-width: 120%;
    max-height: 120%;
    object-fit: contain;
    opacity: 1;
    z-index: 1;
}

.expansion-number .big-number,
.expansion-number .number-label {
    position: relative;
    z-index: 2;
}

.big-number {
    display: block;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 191, 255, 0.8)) 
            drop-shadow(0 0 40px rgba(0, 191, 255, 0.6)) 
            drop-shadow(0 0 60px rgba(0, 255, 255, 0.4));
}

.number-label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 15px rgba(0, 191, 255, 0.9),
                 0 0 30px rgba(0, 191, 255, 0.7),
                 0 0 45px rgba(0, 255, 255, 0.5);
}

.expansion-text h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.expansion-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.expansion-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-item span:last-child {
    color: white;
    font-weight: 500;
}

/* Cities Section */
.cities {
    padding: 6rem 0;
    background: white;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.city-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.city-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.city-card h3 {
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.city-card p {
    color: #6b7280;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.city-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.city-status.active {
    background: #dcfce7;
    color: #16a34a;
}

.city-status.upcoming {
    background: #fef3c7;
    color: #d97706;
}

.city-details-btn {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
}

.city-details-btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

/* Station Details Panel */
.station-details-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
    padding: 1rem;
    box-sizing: border-box;
}

.station-details-panel.active {
    display: flex;
}

.station-details-panel.active ~ * {
    pointer-events: none;
}

.station-details-content {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin: auto;
    transform: translateY(0);
}

.station-details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 1rem;
}

.station-details-header h3 {
    color: #1f2937;
    margin: 0;
    font-size: 1.5rem;
}

.close-details {
    background: #ef4444;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-details:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.station-list {
    display: grid;
    gap: 1rem;
}

.station-item {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
}

.station-item h4 {
    color: #1f2937;
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.station-item p {
    color: #6b7280;
    margin: 0;
    font-size: 0.9rem;
}

.station-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.station-status-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.station-status-tag.active {
    background: #dcfce7;
    color: #16a34a;
}

.station-status-tag.upcoming {
    background: #fef9c3;
    color: #a16207;
}

.station-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.station-power {
    background: #dcfce7;
    color: #16a34a;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.station-devices {
    color: #6b7280;
    font-size: 0.8rem;
}

.cities-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat h3 {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #6b7280;
    font-weight: 500;
}

/* Partnership Section */
.partnership {
    padding: 6rem 0;
    background: 
        linear-gradient(135deg, 
            #1e3a8a 0%, 
            #1e40af 20%,
            #3730a3 50%,
            #4338ca 80%,
            #3730a3 100%
        );
    color: white;
    position: relative;
    overflow: hidden;
}

.partnership::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(67, 56, 202, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(30, 64, 175, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.partnership-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.partnership-text .section-title {
    color: white;
}

.partnership-description {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.partnership-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit h4 {
    color: #60a5fa;
    margin-bottom: 0.5rem;
}

.benefit p {
    color: rgba(255, 255, 255, 0.95);
}

.partnership-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.partner-logo-img {
    width: 300px;
    height: 150px;
    margin: 0 auto 1.5rem auto;
    display: block;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

.partnership-logo p {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.partnership-logo span {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.9rem;
}

.partnership-brand-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.partnership-divider {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    margin: 1rem 0;
}

.partnership-tag {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    margin: 0;
    text-align: center;
    width: 100%;
}

.partnership-text {
    position: relative;
    z-index: 1;
}

.partnership-pillars {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 2rem;
}

.pillar-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.pillar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.pillar-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #60a5fa;
    min-width: 40px;
}

.pillar-item h4 {
    color: white;
    margin: 0;
    font-size: 1.1rem;
}

.pillar-item p {
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    line-height: 1.6;
}

/* Future Goals Section */
.future-goals {
    padding: 6rem 0;
    background: #f8fafc;
}

.goals-timeline {
    position: relative;
    margin-top: 4rem;
}

.goals-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e5e7eb;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin: 0 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

.timeline-content h3 {
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #6b7280;
}

/* Electric Vehicle Future Section */
.ev-future {
    padding: 4rem 0;
    background: white;
}

.ev-future-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.ev-future-text .section-title {
    text-align: left;
    margin-bottom: 1rem;
}

.ev-future-text p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.future-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.future-stat {
    text-align: center;
    padding: 1.5rem 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.future-stat h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.future-stat p {
    color: #6b7280;
    font-size: 0.9rem;
    margin: 0;
    font-weight: 500;
}

.transformation-box {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
}

.transformation-box h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.transformation-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.transformation-box li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

.transformation-box li strong {
    color: white;
    font-weight: 700;
}

.transformation-box li:last-child {
    border-bottom: none;
}

.transformation-box li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #60a5fa;
    font-weight: bold;
}

.eco-benefits {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
}

.eco-benefits h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.eco-benefits ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.eco-benefits li {
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.eco-benefits li:last-child {
    border-bottom: none;
}

.eco-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #6ee7b7;
    font-weight: bold;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

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

.value {
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.value h4 {
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.value p {
    color: #6b7280;
    font-size: 0.95rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.company-stat {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.company-stat h3 {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.company-stat p {
    color: #6b7280;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: #ffffff;
}

.contact-simple {
    margin-top: 3rem;
}

.contact-info-simple {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-item-simple {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-item-simple h4 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-item-simple p {
    color: #6b7280;
    margin: 0;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #d1d5db;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #60a5fa;
}

.footer-contact p {
    color: #d1d5db;
    margin-bottom: 0.75rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #d1d5db;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #60a5fa;
    background: rgba(96, 165, 250, 0.1);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: #9ca3af;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #d1d5db;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

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

.back-to-top:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .language-switcher {
        right: 1.5rem;
    }

    .container {
        padding: 0 1.5rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .partnership-content,
    .ev-future-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .goals-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-left: 60px;
    }
    
    .timeline-year {
        position: absolute;
        left: -90px;
        width: 60px;
        height: 60px;
        font-size: 1rem;
    }
    
    .timeline-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        justify-content: center;
    }

    .hamburger {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
    }

    .language-switcher {
        right: 1rem;
    }

    .lang-btn {
        width: 36px;
        height: 36px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid,
    .cities-grid,
    .cities-stats,
    .future-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .expansion-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .big-number {
        font-size: 4rem;
    }
    
    .expansion-text h2 {
        font-size: 2rem;
    }
    
    .expansion-features {
        justify-content: center;
    }
    
    .contact-info-simple {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .partnership-logo {
        padding: 2rem;
    }
}

/* Performance Optimizations */
.container,
.service-card,
.city-card,
.timeline-content,
.company-stat {
    will-change: transform;
}

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

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
textarea:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero {
        background: #000;
    }
    
    .hero-title,
    .hero-subtitle {
        color: #fff;
    }
    
    .service-card,
    .city-card,
    .timeline-content {
        border: 2px solid #000;
    }
}