/* ============================================
   IPTVFire Schweiz - Binance Design System
   ============================================ */

/* CSS Variables - Binance Colors */
:root {
    /* Primary Colors */
    --primary: #FCD535;
    --primary-active: #F0B90B;
    --primary-disabled: #3A3A1F;
    
    /* Background Colors */
    --canvas-dark: #0B0E11;
    --canvas-light: #FFFFFF;
    --surface-card: #1E2329;
    --surface-elevated: #2B3139;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #EAECEF;
    --text-muted: #707A8A;
    --text-muted-strong: #929AA5;
    --text-on-primary: #181A20;
    --text-on-light: #181A20;
    
    /* Border Colors */
    --hairline-dark: #2B3139;
    --hairline-light: #EAECEF;
    --border-strong: #CDD1D6;
    
    /* Trading Colors */
    --trading-up: #0ECB81;
    --trading-down: #F6465D;
    --accent-turquoise: #2DBDB6;
    
    /* Info Colors */
    --info: #3B82F6;
    
    /* Spacing */
    --space-xxs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
    --space-section: 80px;
    
    /* Border Radius */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-pill: 9999px;
    
    /* Typography */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(252, 213, 53, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--canvas-dark);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

.hero-title {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
}

.section-title {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-on-primary);
}

.btn-primary:hover {
    background-color: var(--primary-active);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: var(--surface-card);
    color: var(--text-primary);
    border: 1px solid var(--hairline-dark);
}

.btn-secondary:hover {
    background-color: var(--surface-elevated);
}

.btn-tertiary {
    background-color: transparent;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

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

.btn-pill {
    border-radius: var(--radius-pill);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 16px;
}

/* ============================================
   Navigation
   ============================================ */

.top-nav {
    background-color: var(--canvas-dark);
    border-bottom: 1px solid var(--hairline-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 80px;
}

.top-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo img {
    height: 60px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
}

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

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    position: relative;
    transition: color 0.2s ease;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.2s ease;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--canvas-dark);
    z-index: 2000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--hairline-dark);
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-nav-menu {
    list-style: none;
    padding: var(--space-lg);
    flex: 1;
}

.mobile-nav-menu li {
    margin-bottom: var(--space-md);
}

.mobile-nav-link {
    display: block;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    padding: var(--space-sm) 0;
    transition: color 0.2s ease;
}

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

.mobile-menu-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--hairline-dark);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    background-color: var(--canvas-dark);
    padding: var(--space-section) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(252, 213, 53, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-title .highlight {
    color: var(--primary);
}

.hero-description {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    justify-content: center;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xxl);
    justify-content: center;
}

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

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--space-section) 0;
    background-color: var(--canvas-dark);
}

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

.feature-card {
    background-color: var(--surface-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--hairline-dark);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

/* Blog Card Link - Make entire card clickable */
.blog-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.blog-card-link:hover,
.blog-card-link:focus {
    color: inherit;
    text-decoration: none;
}

.blog-card-link .feature-title {
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.blog-card-link:hover .feature-title {
    color: var(--primary);
}

.blog-card-link .feature-description {
    color: var(--text-muted);
}

.blog-card-link .btn-tertiary {
    margin-top: var(--space-md);
    display: inline-block;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing {
    padding: var(--space-section) 0;
    background-color: var(--canvas-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--surface-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--hairline-dark);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: var(--text-on-primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: var(--radius-pill);
}

.pricing-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.pricing-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.pricing-price span {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-period {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-features li::before {
    content: '✓';
    color: var(--trading-up);
    font-weight: 700;
}

/* ============================================
   Channels Section
   ============================================ */

.channels {
    padding: var(--space-section) 0;
    background-color: var(--canvas-dark);
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.channel-category {
    background-color: var(--surface-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--hairline-dark);
}

.channel-category-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.channel-category-title .icon {
    font-size: 20px;
}

.channel-list {
    list-style: none;
}

.channel-list li {
    font-size: 14px;
    color: var(--text-muted);
    padding: var(--space-xs) 0;
}

/* ============================================
   FAQ Section
   ============================================ */

.faq {
    padding: var(--space-section) 0;
    background-color: var(--canvas-dark);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--hairline-dark);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    padding: var(--space-section) 0;
    background-color: var(--canvas-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background-color: var(--surface-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--hairline-dark);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

.contact-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.contact-info {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--surface-card);
    border-top: 1px solid var(--hairline-dark);
    padding: var(--space-section) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-description {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--surface-elevated);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

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

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

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

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

.footer-links a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 14px;
}

.footer-contact-item .contact-icon {
    font-size: 16px;
}

.footer-contact-item a {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.footer-contact-item a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--hairline-dark);
    padding-top: var(--space-lg);
    text-align: center;
}

.copyright {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.footer-note {
    font-size: 12px;
    color: var(--text-muted-strong);
}

/* ============================================
   Cookie Consent
   ============================================ */

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--surface-card);
    border-top: 1px solid var(--hairline-dark);
    padding: var(--space-md) 0;
    z-index: 3000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-consent.active {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.cookie-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.cookie-text a {
    color: var(--primary);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-content {
    padding: var(--space-section) 0;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 36px;
    margin-bottom: var(--space-xl);
}

.legal-content h2 {
    font-size: 24px;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.legal-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.legal-content ul {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.legal-content li {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

/* ============================================
   Setup Guide
   ============================================ */

.setup-steps {
    max-width: 800px;
    margin: 0 auto;
}

.setup-step {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    color: var(--text-on-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .top-nav .btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .setup-step {
        flex-direction: column;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Utilities
   ============================================ */

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

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

.mt-lg {
    margin-top: var(--space-lg);
}

.mt-xl {
    margin-top: var(--space-xl);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

.mb-xl {
    margin-bottom: var(--space-xl);
}

/* Accessibility - Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--text-on-primary);
    padding: 8px 16px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 var(--radius-md) 0;
    transition: top 0.3s;
}

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

/* Article Summary for AI/GEO */
.article-summary {
    background: var(--surface-card);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary);
}

.article-summary p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--canvas-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-elevated);
    border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}