/* ========================================
   BestExchangeBonus.com - Global Styles
   Theme: Black, Yellow, Metallic Gray
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #FFD700;        /* Gold/Yellow */
    --color-secondary: #FFA500;      /* Orange-Yellow */
    --color-dark: #0A0A0A;           /* Deep Black */
    --color-bg: #121212;             /* Dark Background */
    --color-card: #1A1A1A;           /* Card Background */
    --color-gray: #8B8B8B;           /* Metallic Gray */
    --color-gray-light: #B8B8B8;     /* Light Gray */
    --color-white: #FFFFFF;
    --color-success: #00FF88;
    --color-hot: #FF4444;
    
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-dark: linear-gradient(180deg, #1A1A1A 0%, #0A0A0A 100%);
    --gradient-card: linear-gradient(145deg, #1F1F1F 0%, #141414 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
    
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}

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

.logo .tagline {
    font-size: 12px;
    color: var(--color-gray);
    font-weight: 400;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--color-gray-light);
    font-weight: 500;
    transition: var(--transition);
    font-size: 15px;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-dark) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hero {
    background: var(--gradient-dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-gray-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-gray-light);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

.stat h3 {
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat p {
    color: var(--color-gray);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-hero {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--color-dark);
    padding: 18px 48px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-gold);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(255, 215, 0, 0.4);
}

/* ========================================
   Filters Section
   ======================================== */

.filters {
    background: var(--color-card);
    padding: 40px 0;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.filters h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--color-white);
}

.filter-controls {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-gray);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-dark);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 8px;
    color: var(--color-white);
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-group select:hover,
.filter-group select:focus {
    border-color: var(--color-primary);
    outline: none;
}

/* ========================================
   Bonus Cards Grid
   ======================================== */

.bonus-grid {
    padding: 60px 0;
    background: var(--color-bg);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.bonus-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 215, 0, 0.15);
    border-radius: var(--border-radius);
    padding: 28px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

.bonus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.bonus-card:hover::before {
    transform: scaleX(1);
}

.card-header {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-signup {
    background: rgba(0, 255, 136, 0.15);
    color: var(--color-success);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.badge-trade {
    background: rgba(255, 215, 0, 0.15);
    color: var(--color-primary);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.badge-airdrop {
    background: rgba(138, 43, 226, 0.15);
    color: #BA68C8;
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.badge-referral {
    background: rgba(33, 150, 243, 0.15);
    color: #64B5F6;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.badge-hot {
    background: rgba(255, 68, 68, 0.15);
    color: var(--color-hot);
    border: 1px solid rgba(255, 68, 68, 0.3);
}

.badge-limited {
    background: rgba(255, 152, 0, 0.15);
    color: #FFA726;
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.3;
}

.card-description {
    color: var(--color-gray-light);
    font-size: 15px;
    line-height: 1.6;
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 0;
    padding: 16px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    flex-grow: 1;
    min-height: 120px;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.meta-item .label {
    color: var(--color-gray);
    font-size: 13px;
    font-weight: 500;
    flex-shrink: 0;
}

.meta-item .value {
    color: var(--color-white);
    font-weight: 600;
    font-size: 14px;
    text-align: right;
    flex-shrink: 0;
}

.btn-card {
    display: block;
    width: 100%;
    background: var(--gradient-gold);
    color: var(--color-dark);
    padding: 14px 24px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
}

.btn-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-gold);
}

.no-results {
    text-align: center;
    padding: 80px 20px;
}

.no-results h3 {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--color-gray);
}

.no-results p {
    color: var(--color-gray);
    font-size: 16px;
}

/* ========================================
   How It Works Section
   ======================================== */

.how-it-works {
    padding: 80px 0;
    background: var(--gradient-dark);
}

.how-it-works h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-gray-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    font-size: 18px;
    margin-bottom: 60px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 40px 30px;
    background: var(--gradient-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 215, 0, 0.15);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-gold);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: var(--color-dark);
    margin: 0 auto 24px;
}

.step h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--color-white);
}

.step p {
    color: var(--color-gray-light);
    font-size: 15px;
    line-height: 1.6;
}

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

.faq {
    padding: 80px 0;
    background: var(--color-bg);
}

.faq h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-gray-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--gradient-card);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 215, 0, 0.15);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-item h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.faq-item p {
    color: var(--color-gray-light);
    font-size: 15px;
    line-height: 1.7;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
    padding: 100px 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-gray-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 20px;
    color: var(--color-gray-light);
    margin-bottom: 40px;
}

.btn-cta {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--color-dark);
    padding: 20px 60px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 20px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-gold);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(255, 215, 0, 0.5);
}

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

.footer {
    background: var(--color-dark);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

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

.footer-col h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.footer-col h5 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--color-white);
    font-weight: 600;
}

.footer-col p {
    color: var(--color-gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.footer-col .disclaimer {
    font-size: 12px;
    color: var(--color-gray);
    margin-top: 20px;
}

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

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

.footer-col ul li a {
    color: var(--color-gray-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 14px;
    margin-bottom: 8px;
}

.risk-warning {
    color: var(--color-hot) !important;
    font-weight: 500;
}

/* Language switcher */
/* (lang switcher and RTL helpers removed) */

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

@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat h3 {
        font-size: 36px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-controls {
        flex-direction: column;
    }
    
    .steps-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .how-it-works h2,
    .faq h2,
    .cta-content h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .btn-hero {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    .card-title {
        font-size: 18px;
    }
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bonus-card {
    animation: fadeInUp 0.6s ease-out;
}

.bonus-card:nth-child(1) { animation-delay: 0.1s; }
.bonus-card:nth-child(2) { animation-delay: 0.2s; }
.bonus-card:nth-child(3) { animation-delay: 0.3s; }
.bonus-card:nth-child(4) { animation-delay: 0.4s; }
.bonus-card:nth-child(5) { animation-delay: 0.5s; }
.bonus-card:nth-child(6) { animation-delay: 0.6s; }
.bonus-card:nth-child(7) { animation-delay: 0.7s; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-gray);
    border-radius: 5px;
}

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