/* ===================================
   DealOS Motor - Electric Motorcycle Theme
   Modern, Professional, Marketing-Focused
   =================================== */

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

:root {
    /* Brand Colors - Electric Theme */
    --color-primary: #0a0a0a;
    --color-secondary: #1a1a1a;
    --color-accent: #ff4500;
    --color-accent-light: #ff6b35;
    --color-accent-dark: #e03e00;
    --color-electric: #ffd700;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;
    --font-size-6xl: 60px;
    
    /* Spacing */
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 20px;
    --spacing-6: 24px;
    --spacing-8: 32px;
    --spacing-10: 40px;
    --spacing-12: 48px;
    --spacing-16: 64px;
    --spacing-20: 80px;
    --spacing-24: 96px;
    
    /* Container */
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-base: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===================================
   Accessibility
   =================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    text-decoration: none;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   Container
   =================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: var(--promo-height, 38px);
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

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

.logo-text {
    color: var(--color-primary);
}

.logo-icon {
    color: var(--color-accent);
    font-size: 28px;
}

/* Desktop Menu */
.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-8);
    margin: 0;
}

@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

/* Mobile Toggle */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

@media (min-width: 1024px) {
    .mobile-toggle {
        display: none;
    }
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-900);
    transition: all var(--transition-base);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 12px 24px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    padding: var(--spacing-16) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-6);
}

.badge-icon {
    font-size: 20px;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.gradient-text {
    background: linear-gradient(135deg, #ff6b35 0%, #ffd700 50%, #ff4500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-12);
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: white;
    line-height: 1;
    margin-bottom: var(--spacing-2);
}

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

/* ===================================
   Section Styles
   =================================== */
.section {
    padding: var(--spacing-20) 0;
}

.section-light {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.section-dark {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    color: white;
}

.section-cta {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 69, 0, 0.1);
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section-dark .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-electric);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-5xl);
    }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   Features Grid
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-4);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3);
    color: var(--color-gray-900);
}

.feature-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ===================================
   Benefits Grid
   =================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.benefit-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

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

.benefit-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-4);
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3);
}

.benefit-text {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    line-height: 1.6;
}

/* ===================================
   Models Grid
   =================================== */
.models-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .models-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.model-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.model-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
}

.model-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.model-card:hover .model-image img {
    transform: scale(1.1);
}

.model-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
}

.badge-bestseller {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-hot {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.badge-premium {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.badge-new {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.model-content {
    padding: var(--spacing-6);
}

.model-category {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-2);
}

.model-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    color: var(--color-gray-900);
}

.model-desc {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
    line-height: 1.5;
}

.model-specs {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-4) 0;
    margin-bottom: var(--spacing-4);
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.spec {
    flex: 1;
    text-align: center;
}

.spec-icon {
    font-size: 20px;
    display: block;
    margin-bottom: var(--spacing-1);
}

.spec-value {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 2px;
}

.spec-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.model-price {
    margin-bottom: var(--spacing-4);
}

.price {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--color-accent);
    margin-bottom: var(--spacing-1);
}

.installment {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ===================================
   CTA Section
   =================================== */
.cta-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    align-items: center;
    text-align: center;
}

@media (min-width: 1024px) {
    .cta-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.cta-text {
    flex: 1;
}

.cta-action {
    flex-shrink: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-16) 0 var(--spacing-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: white;
    margin-bottom: var(--spacing-4);
}

.footer-desc {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-gray-400);
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-4);
}

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

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--color-gray-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-800);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer-tagline {
    margin-top: var(--spacing-2);
}

/* ===================================
   Responsive Utilities
   =================================== */
@media (max-width: 767px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-lg {
        width: 100%;
    }
}

/* ===================================
   Reduced Motion
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}