/* Modern CSS for 100kmh.co.il - E-bike Community Website */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors */
    --primary-color: #1a365d;
    --primary-light: #2b77ad;
    --primary-dark: #0f2a44;
    --secondary-color: #2b77ad;
    --accent-color: #f56500;
    --accent-light: #ff7a1a;
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --error-color: #e53e3e;
    
    /* Text Colors */
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-accent: #edf2f7;
    --bg-dark: #1a202c;
    
    /* Border Colors */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-dark: #cbd5e0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 35px 60px -12px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
    --font-family-heading: var(--font-family-base);
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
}

/* CSS Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    scroll-behavior: smooth;
    font-size: 16px;
    /* Prevent text scaling on orientation change */
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Container */
.container {
   /* width: 100%;*/
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

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

a:hover,
a:focus {
    color: var(--accent-light);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    min-height: 44px; /* Touch target size */
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-white);
    border-color: var(--accent-color);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline:hover,
.btn-outline:focus {
    background-color: var(--accent-color);
    color: var(--text-white);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-4);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin: var(--space-4) auto 0;
}

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

.section-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    color: var(--accent-color);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.section-link::after {
    content: '←';
    transition: transform var(--transition-fast);
}

.section-link:hover::after {
    transform: translateX(-3px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 54, 93, 0.8) 0%,
        rgba(43, 119, 173, 0.6) 100%
    );
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: var(--space-8) 0;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--accent-color);
    text-shadow: 0 0 20px rgba(245, 101, 0, 0.5);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
}

.feature-icon {
    font-size: var(--font-size-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Safety Rules Section */
.safety-rules {
    padding: var(--space-20) 0;
    background-color: var(--bg-primary);
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.safety-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.safety-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.safety-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    color: var(--text-white);
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.safety-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.safety-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.safety-footer {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
}

.safety-copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
}

.safety-motto {
    color: var(--accent-color);
    font-size: var(--font-size-lg);
    margin: 0;
}

/* Events Gallery Section */
.events-gallery {
    padding: var(--space-20) 0;
    background-color: var(--bg-secondary);
}

.gallery-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.carousel-track-container {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.carousel-btn:hover {
    background: var(--bg-primary);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: var(--space-4);
}

.carousel-next {
    right: var(--space-4);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--border-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-indicator.active,
.carousel-indicator:hover {
    background: var(--accent-color);
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
    background-color: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.feature-icon-wrapper .feature-icon {
    font-size: var(--font-size-3xl);
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Quick Links Section */
.quick-links {
    padding: var(--space-20) 0;
    background-color: var(--bg-secondary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.link-card {
    display: block;
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.link-card:hover::before {
    left: 100%;
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.link-card.featured {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    color: var(--text-white);
    border-color: transparent;
}

.link-card.featured:hover {
    transform: translateY(-4px) scale(1.02);
}

.link-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-4);
    display: block;
}

.link-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
}

.link-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.link-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.link-arrow {
    display: inline-block;
    font-size: var(--font-size-lg);
    transition: transform var(--transition-fast);
}

.link-card:hover .link-arrow {
    transform: translateX(-4px);
}

/* Footer Styles */
.site-footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.brand-section {
    grid-column: span 2;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-logo .logo-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-color);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
}

.footer-logo .logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-white);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.social-links {
    margin-top: var(--space-6);
}

.social-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.social-icons {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: var(--text-white);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: var(--font-size-xl);
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.contact-info {
    margin-bottom: var(--space-6);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: rgba(255, 255, 255, 0.8);
}

.contact-icon {
    font-size: var(--font-size-lg);
}

.newsletter {
    margin-top: var(--space-6);
}

.newsletter h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-white);
}

.newsletter-input-group {
    display: flex;
    gap: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-3);
    border: none;
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.newsletter-input:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
}

.newsletter-btn {
    padding: var(--space-3) var(--space-4);
    background: var(--accent-color);
    color: var(--text-white);
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background var(--transition-fast);
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: var(--accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-8);
    position: relative;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.copyright a {
    color: var(--accent-color);
}

.legal-links {
    display: flex;
    gap: var(--space-4);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: var(--accent-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--font-size-xl);
    transition: all var(--transition-fast);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-2px);
    background: var(--accent-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
    
    .hero-features {
        gap: var(--space-4);
    }
    
    .safety-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--space-4);
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-6);
    }
}

@media (max-width: 768px) {
    :root {
        --space-20: 3rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero-content {
        padding: var(--space-6) 0;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .carousel-track-container {
        height: 300px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }
    
    .carousel-prev {
        left: var(--space-2);
    }
    
    .carousel-next {
        right: var(--space-2);
    }
    
    .safety-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-section {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: var(--space-2);
        padding-right: var(--space-2);
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    .safety-card,
    .feature-card,
    .link-card {
        padding: var(--space-6);
    }
    
    .newsletter-input-group {
        flex-direction: column;
    }
    
    .newsletter-input,
    .newsletter-btn {
        border-radius: var(--radius);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #000000;
        --border-color: #000000;
    }
}

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

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a202c;
        --bg-secondary: #2d3748;
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --border-color: #4a5568;
    }
}