/* ===================================
   City EV - Liquid Glass Design System
   =================================== */

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

:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --electric-blue: #4facfe;
    --electric-purple: #667eea;
    --electric-green: #00f2fe;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    
    /* Spacing */
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: #1a202c;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

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

/* === Navigation === */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: #1a202c;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

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

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-links a:not(.btn-primary):hover,
.nav-links a.active {
    color: var(--electric-purple);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-2xl);
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

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

.btn-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: #1a202c;
    border-radius: var(--radius-full);
}

/* === Hero Section === */
.hero {
    position: relative;
    padding: 180px 0 120px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: white;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #00f2fe;
    border-radius: var(--radius-full);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    color: white;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
}

.floating-card {
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-2xl);
    padding: 24px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2);
    animation: float 6s ease-in-out infinite;
    color: white;
    min-width: 200px;
}

.floating-card.card-1 {
    animation-delay: 0s;
}

.floating-card.card-2 {
    margin-top: 40px;
    margin-left: 60px;
    animation-delay: 2s;
}

.floating-card.card-3 {
    margin-top: -20px;
    margin-left: 120px;
    animation-delay: 4s;
}

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

.card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.card-label {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
}

/* === Features Section === */
.features {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: block;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(31, 38, 135, 0.3);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: inline-block;
    animation: float 4s ease-in-out infinite;
}

.feature-card h3 {
    font-size: 24px;
    color: white;
    margin-bottom: 16px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-link {
    color: #00f2fe;
    font-weight: 600;
    transition: all 0.3s;
}

.feature-card:hover .feature-link {
    transform: translateX(4px);
    display: inline-block;
}

/* === Stats Section === */
.stats {
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.stat-card {
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 40px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.15);
}

.stat-value {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 8px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
}

/* === CTA Section === */
.cta {
    padding: 80px 0;
}

.cta-card {
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 64px;
    text-align: center;
}

.cta-card h2 {
    font-size: 40px;
    color: white;
    margin-bottom: 16px;
}

.cta-card p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === Page Header === */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
}

.breadcrumb {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb span {
    margin: 0 8px;
}

.page-title {
    font-size: 56px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
}

/* === Content Section === */
.content-section {
    padding: 40px 0 80px;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
}

.glass-panel {
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 48px;
}

.glass-panel h2 {
    font-size: 32px;
    color: white;
    margin-bottom: 20px;
}

.glass-panel h3 {
    font-size: 24px;
    color: white;
    margin: 32px 0 16px;
}

.glass-panel h4 {
    font-size: 18px;
    color: white;
    margin-bottom: 8px;
}

.glass-panel p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 16px;
}

.lead-text {
    font-size: 20px !important;
    font-weight: 500;
    margin-bottom: 32px !important;
}

.info-box {
    display: flex;
    gap: 16px;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: var(--radius-2xl);
    padding: 24px;
    margin: 32px 0;
}

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

.factors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.factor-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 24px;
    transition: all 0.3s;
}

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

.factor-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.methodology-steps {
    margin-top: 24px;
}

.step-item {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
}

.step-number {
    font-size: 32px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
    width: 60px;
}

.step-content {
    flex: 1;
}

.benefits-list {
    margin-top: 24px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.check-icon {
    color: #00f2fe;
    flex-shrink: 0;
}

/* === Sidebar === */
.sticky-panel {
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-stat {
    margin-bottom: 24px;
}

.stat-value-sm {
    font-size: 36px;
    font-weight: 800;
    color: white;
}

.stat-label-sm {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin: 24px 0;
}

.sidebar-link {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 12px;
    transition: all 0.3s;
}

.sidebar-link:hover {
    color: #00f2fe;
    transform: translateX(4px);
}

/* === About Page === */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.approach-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 32px;
    text-align: center;
}

.approach-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin: 32px 0;
}

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

.impact-number {
    font-size: 56px;
    font-weight: 800;
    color: #00f2fe;
    margin-bottom: 8px;
}

.impact-label {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.cta-inline {
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: var(--radius-2xl);
    padding: 48px;
    text-align: center;
    margin-top: 48px;
}

/* === Contact Page === */
.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
}

.contact-form {
    margin-top: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    color: white;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    color: white;
    font-size: 16px;
    font-family: var(--font-sans);
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00f2fe;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

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

.contact-item a {
    color: #00f2fe;
    text-decoration: none;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.social-link:hover {
    color: #00f2fe;
    transform: translateX(4px);
}

.hours-list {
    margin-top: 16px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

/* === Footer === */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    padding: 60px 0 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-col h4 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-col ul li a:hover {
    color: #00f2fe;
    transform: translateX(4px);
    display: inline-block;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* === Responsive Design === */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .content-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions a {
        width: 100%;
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}