/* Custom Variables & Design System Tokens - Sleek Light Mode */
:root {
    --primary-color: #10B981; /* Emerald Mint */
    --primary-glow: rgba(16, 185, 129, 0.15);
    --bg-dark: #FFFFFF; /* Pure White Background */
    --bg-secondary: #F8FAFC; /* Soft Light Gray */
    --bg-card: rgba(255, 255, 255, 0.8);
    --border-glass: rgba(15, 23, 42, 0.06);
    --border-glass-active: rgba(15, 23, 42, 0.12);
    --text-primary: #0F172A; /* Slate 900 - High Contrast */
    --text-secondary: #475569; /* Slate 700 - Body */
    --text-muted: #64748B; /* Slate 500 */
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-premium: 0 20px 40px -15px rgba(15, 23, 42, 0.06), 0 0 0 1px rgba(15, 23, 42, 0.02);
    --shadow-glow: 0 10px 30px rgba(16, 185, 129, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-main);
    color: var(--text-primary);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    outline: none;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Glassmorphic White Premium Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    border-color: var(--border-glass-active);
    transform: translateY(-4px);
    box-shadow: 0 30px 60px -20px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(15, 23, 42, 0.04);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--primary-color);
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.45);
    filter: brightness(1.05);
}

.btn-secondary {
    background: #F1F5F9;
    color: var(--text-primary);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.btn-secondary:hover {
    background: #E2E8F0;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
    border-radius: 8px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
    border-radius: 14px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    padding: 14px;
    border-radius: 12px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.08);
    color: #047857; /* Darker emerald for contrast */
    border: 1px solid rgba(16, 185, 129, 0.18);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.badge-center {
    margin-left: auto;
    margin-right: auto;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: badge-pulse 1.8s infinite;
}

@keyframes badge-pulse {
    0% {
        transform: scale(0.85);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
        box-shadow: 0 0 6px var(--primary-color);
    }
    100% {
        transform: scale(0.85);
        opacity: 0.6;
    }
}

/* Gradients */
.text-gradient {
    background: linear-gradient(135deg, #059669 30%, #2563EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Headers & Typography */
.section-header {
    margin-bottom: 60px;
    max-width: 700px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-top: 12px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 1. Header Navigation Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-normal);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.6rem;
}

.accent-dot {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    font-size: 1.4rem;
    color: var(--text-primary);
}

/* 2. Hero Section Styles */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-dark);
}

.hero-bg-glow {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, rgba(59, 130, 246, 0.03) 50%, rgba(0,0,0,0) 100%);
    filter: blur(80px);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.6;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-specs {
    display: flex;
    align-items: center;
    gap: 24px;
    border-top: 1px solid var(--border-glass);
    padding-top: 28px;
    max-width: 500px;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-val {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.spec-unit {
    font-size: 0.95rem;
    color: #059669;
    font-weight: 600;
    margin-left: 2px;
}

.spec-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.spec-divider {
    width: 1px;
    height: 40px;
    background-color: var(--border-glass);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual .glass-card {
    width: 100%;
    height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    background: #F8FAFC; /* Soft Light Contrast Visualizer */
    box-shadow: var(--shadow-premium);
}

.card-glow {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--primary-color);
    filter: blur(80px);
    opacity: 0.05;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.bike-view-wrapper, .visual-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* SVG Interactive Styling */
.bike-svg {
    width: 100%;
    height: 100%;
    max-height: 330px;
    transition: var(--transition-normal);
}

.bike-frame-fillable {
    transition: stroke var(--transition-normal);
}

.wheel-glow-left, .wheel-glow-right {
    transition: stroke var(--transition-normal);
}

.interactive-tag {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-glass);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.pulse-icon {
    font-size: 0.5rem;
    color: var(--primary-color);
    animation: badge-pulse 1.5s infinite;
}

/* 3. Color Customizer Section */
.customizer-section {
    padding: 100px 0;
    background: #F8FAFC; /* Slate-50 Background for visual separation */
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.customizer-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 32px;
    align-items: stretch;
}

.config-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #FFFFFF;
}

.config-panel h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.panel-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.color-options-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.color-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-radius: 12px;
    background: #F8FAFC;
    border: 1px solid var(--border-glass);
    text-align: left;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition-normal);
}

.color-btn:hover {
    background: #F1F5F9;
    border-color: rgba(15,23,42,0.15);
    transform: translateX(4px);
}

.color-btn.active {
    background: #FFFFFF;
    border-color: var(--btn-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.color-dot {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--btn-color);
    box-shadow: 0 0 10px var(--btn-color);
}

.selected-details {
    background: #F8FAFC;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 28px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 8px 0;
}

.detail-row:not(:last-child) {
    border-bottom: 1px dashed var(--border-glass);
}

.detail-label {
    color: var(--text-muted);
    font-weight: 600;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 700;
}

.detail-value.highlight {
    color: #059669;
}

.visualizer-display {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    background: #FFFFFF;
    box-shadow: var(--shadow-premium);
}

.visualizer-header {
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 16px;
}

.visualizer-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.visualizer-dot.red { background-color: #EF4444; }
.visualizer-dot.yellow { background-color: #F59E0B; }
.visualizer-dot.green { background-color: #10B981; }

.visualizer-title {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-left: 8px;
}

.visual-wrapper {
    min-height: 320px;
}

.visualizer-controls {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-glass);
    padding-top: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
}

.zoom-indicator i {
    margin-right: 4px;
}

.visualizer-status {
    color: #059669;
}

/* 4. Features Section */
.features-section {
    padding: 100px 0;
    position: relative;
    background-color: var(--bg-dark);
}

.features-bg-elements {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.01) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 40px;
    background: #FFFFFF;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.18);
    color: #059669;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px -8px rgba(16, 185, 129, 0.2);
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.2px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 5. Showroom & Model Section */
.showroom-section {
    padding: 100px 0;
    background: #F8FAFC; /* Slate-50 Showcase background */
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.model-tabs-container {
    display: flex;
    justify-content: center;
    margin-bottom: 48px;
}

.model-tabs {
    display: flex;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    padding: 6px;
    border-radius: 14px;
    gap: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.tab-btn {
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--primary-color);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.model-content-wrapper {
    position: relative;
    min-height: 480px;
}

.model-tab-content {
    display: none;
    width: 100%;
}

.model-tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.model-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.model-info {
    display: flex;
    flex-direction: column;
}

.model-badge {
    align-self: flex-start;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.model-info h3 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.model-tagline {
    font-style: italic;
    color: #059669;
    font-weight: 600;
    margin-bottom: 16px;
}

.model-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.model-price {
    display: flex;
    flex-direction: column;
    margin-bottom: 28px;
    background: #FFFFFF;
    border-left: 4px solid var(--primary-color);
    padding: 12px 20px;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.01);
}

.price-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.price-disc {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-decoration: line-through;
    font-weight: 500;
}

.specs-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 36px;
}

.specs-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 18px;
}

.specs-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 800;
}

.model-visual {
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    box-shadow: var(--shadow-premium);
}

.bike-wireframe-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-spec-indicator {
    position: absolute;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.tech-spec-indicator.top-left { top: 30px; left: 30px; }
.tech-spec-indicator.bottom-right { bottom: 30px; right: 30px; }

/* 6. FAQ Accordion Section */
.faq-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: 0 4px 12px rgba(0,0,0,0.01);
}

.faq-item:hover, .faq-item.active {
    border-color: rgba(15,23,42,0.15);
}

.faq-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-icon {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary-color);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-content p {
    padding: 0 28px 24px 28px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 7. CTA Banner */
.cta-banner-section {
    padding: 60px 0;
    background-color: var(--bg-dark);
}

.cta-banner-wrapper {
    padding: 64px;
    background: radial-gradient(120% 120% at 0% 0%, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.01) 100%), #FFFFFF;
    text-align: center;
    position: relative;
    border-radius: 28px;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-premium);
}

.cta-glow {
    position: absolute;
    bottom: -150px;
    left: 20%;
    width: 400px;
    height: 150px;
    background: var(--primary-color);
    filter: blur(100px);
    opacity: 0.04;
    pointer-events: none;
}

.cta-content {
    max-width: 750px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 36px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* 8. Footer Styles */
.footer {
    border-top: 1px solid var(--border-glass);
    background-color: #F8FAFC; /* Footer in modern light grey */
    padding: 80px 0 40px 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 64px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.brand-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: 20px;
    margin-bottom: 24px;
    max-width: 320px;
}

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

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.social-links a:hover {
    background: var(--primary-color);
    color: #FFFFFF;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-primary);
    padding-left: 2px;
}

.newsletter-col {
    grid-column: span 1;
}

.newsletter-col p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    font-family: inherit;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.01);
}

.newsletter-form input:focus {
    border-color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-glass);
    padding-top: 32px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 9. Responsive Mobile Breakpoints */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-visual .glass-card {
        height: 380px;
    }
    
    .customizer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .model-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-links-group {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-normal);
        border-top: 1px solid var(--border-glass);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .newsletter-col {
        grid-column: span 2;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-specs {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .spec-divider {
        display: none;
    }
    
    .footer-links-group {
        grid-template-columns: 1fr;
    }
    
    .newsletter-col {
        grid-column: span 1;
    }
}