* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #1a1a24;
    --border-color: #2a2a3a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Header */
.header {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 32px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.lang-select {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.lang-select:hover {
    border-color: var(--accent-primary);
}

.lang-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}

.btn-success:hover {
    background-color: #16a34a;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 12px;
}

.btn-large {
    padding: 18px 56px;
    font-size: 17px;
    letter-spacing: 1px;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -20%;
    width: 120%;
    height: 120%;
    background: radial-gradient(ellipse at 30% 30%, rgba(59, 130, 246, 0.12) 0%, transparent 50%);
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse at 70% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 28px;
    background: linear-gradient(135deg, #ffffff, #a0a0c0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    line-height: 1.1;
    animation: fadeInUp 0.6s ease;
}

.hero-content p {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stats {
    display: flex;
    gap: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    animation: fadeInUp 0.6s ease 0.6s both;
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.crypto-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 450px;
}

.crypto-item {
    background-color: rgba(26, 26, 36, 0.8);
    backdrop-filter: blur(10px);
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.crypto-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.crypto-item:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.crypto-item:hover::before {
    transform: scaleX(1);
}

.crypto-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.crypto-name {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.crypto-price {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.crypto-change {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, 0.05);
}

.crypto-change.positive {
    color: var(--success);
    background-color: rgba(34, 197, 94, 0.15);
}

.crypto-change.negative {
    color: var(--danger);
    background-color: rgba(239, 68, 68, 0.15);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* New User Bonus Section */
.new-user-bonus {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.08) 0%, rgba(255, 215, 0, 0.05) 50%, rgba(255, 140, 0, 0.08) 100%);
    position: relative;
    overflow: hidden;
}

.new-user-bonus::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 165, 0, 0.15) 0%, transparent 60%);
    animation: rotateGlow 20s linear infinite;
}

.new-user-bonus::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 60%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    animation: rotateGlow 25s linear infinite reverse;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.bonus-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.bonus-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.bonus-highlight {
    font-size: 56px;
    font-weight: 900;
    background: linear-gradient(135deg, #ffd700, #ffa500, #ff8c00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    animation: shine 3s ease-in-out infinite;
    text-shadow: 0 0 60px rgba(255, 215, 0, 0.4);
}

@keyframes shine {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

.bonus-subtitle {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 4px;
    position: relative;
}

.bonus-subtitle::before,
.bonus-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #ffa500);
    transform: translateY(-50%);
}

.bonus-subtitle::before {
    left: -80px;
}

.bonus-subtitle::after {
    right: -80px;
    background: linear-gradient(90deg, #ffa500, transparent);
}

.bonus-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    line-height: 1.8;
}

.bonus-button {
    position: relative;
    padding: 20px 64px;
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #ffd700, #ffa500);
    color: #1a1a2e;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.4s ease;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(255, 165, 0, 0.4);
}

.bonus-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.bonus-button:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 60px rgba(255, 165, 0, 0.6);
    background: linear-gradient(135deg, #ffa500, #ff8c00);
}

.bonus-button:hover::before {
    left: 100%;
}

.bonus-button:active {
    transform: translateY(-2px);
}

.bonus-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.bonus-button-secondary {
    position: relative;
    padding: 16px 48px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s ease;
}

.bonus-button-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.1);
}

.bonus-button-secondary:active {
    transform: translateY(-1px);
}

.bonus-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background: #ef4444;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 20px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Market Section */
.market {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.market::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 48px;
    text-align: center;
    background: linear-gradient(135deg, #ffffff, #a0a0b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.market-table {
    background-color: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.market-table table {
    width: 100%;
    border-collapse: collapse;
}

.market-table th,
.market-table td {
    padding: 24px 32px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.market-table th {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.market-table tbody tr {
    transition: all 0.3s ease;
}

.market-table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
    transform: scale(1.005);
}

.market-table tbody tr:last-child td {
    border-bottom: none;
}

.coin-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.coin-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.market-table tbody tr:hover .coin-icon {
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.coin-info span {
    font-weight: 700;
    font-size: 16px;
}

.positive {
    color: var(--success);
    font-weight: 700;
}

.negative {
    color: var(--danger);
    font-weight: 700;
}

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

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--bg-card);
    padding: 48px 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.5s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.feature-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent-primary);
    box-shadow: 0 25px 60px rgba(59, 130, 246, 0.2);
}

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

.feature-icon {
    font-size: 64px;
    margin-bottom: 32px;
    transition: transform 0.5s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

/* Features Header */
.features-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    margin-top: 48px;
}

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

.features-stat-value {
    font-size: 48px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.features-stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
    display: block;
}

/* Features Highlight Cards */
.features-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 80px;
    padding-top: 80px;
    border-top: 1px solid var(--border-color);
}

.highlight-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 48px 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.highlight-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
}

.highlight-icon {
    font-size: 56px;
    margin-bottom: 24px;
}

.highlight-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.highlight-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Features Testimonials */
.features-testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 80px;
    padding-top: 80px;
    border-top: 1px solid var(--border-color);
}

.testimonial-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

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

.testimonial-avatar {
    font-size: 40px;
    margin-bottom: 16px;
}

.testimonial-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 100px 0 50px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-section h3 {
    font-size: 32px;
    margin-bottom: 28px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.footer-section h4 {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.footer-section p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 16px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-section ul li a:hover {
    color: var(--accent-primary);
    transform: translateX(5px);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    font-size: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

/* Payment Icons */
.footer-payment {
    padding: 32px 0;
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.payment-icon {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.payment-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Trust Badges */
.footer-trust {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 32px 0;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

.trust-badge span:first-child {
    font-size: 20px;
}

.trust-badge:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.chat-toggle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: #ffffff;
    border: none;
    font-size: 32px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.5);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-toggle:hover {
    transform: scale(1.15);
    box-shadow: 0 15px 45px rgba(59, 130, 246, 0.6);
}

.chat-window {
    position: fixed;
    bottom: 110px;
    right: 24px;
    width: 480px;
    height: 600px;
    background-color: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

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

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
}

.chat-header h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.chat-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    padding: 10px;
    transition: all 0.3s ease;
}

.chat-close:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.chat-messages {
    padding: 24px;
    max-height: 460px;
    height: 460px;
    overflow-y: auto;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.chat-message {
    margin-bottom: 24px;
}

.chat-message.visitor {
    text-align: right;
}

.chat-message.support {
    text-align: left;
}

.message-content {
    display: inline-block;
    padding: 16px 24px;
    border-radius: 20px;
    max-width: 80%;
    font-size: 15px;
    line-height: 1.7;
}

.chat-message.visitor .message-content {
    background: var(--accent-gradient);
    color: #ffffff;
    border-bottom-right-radius: 6px;
}

.chat-message.support .message-content {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 6px;
}

.chat-input {
    display: flex;
    gap: 16px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
}

.chat-input input {
    flex: 1;
    padding: 16px 24px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: var(--bg-primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: 20px;
    width: 90%;
    max-width: 480px;
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.6);
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    padding: 10px;
    transition: color 0.3s ease;
}

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

.modal-body {
    padding: 28px;
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.7;
}

.contact-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-option {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background-color: var(--bg-secondary);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.contact-option:hover {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 44px;
}

.contact-info h4 {
    font-size: 18px;
    margin-bottom: 6px;
    font-weight: 700;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

.download-url {
    font-size: 13px;
    color: var(--text-muted);
    word-break: break-all;
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.modal-actions {
    display: flex;
    gap: 20px;
    margin-top: 32px;
}

/* Auth Page */
.auth-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-primary);
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
}

.auth-form {
    background-color: var(--bg-card);
    padding: 60px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 460px;
    position: relative;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input {
    width: 100%;
    padding: 16px 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.error {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 28px;
    text-align: center;
    border: 1px solid rgba(239, 68, 68, 0.3);
    font-weight: 500;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

.admin-sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 28px 0;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 28px 28px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 28px;
}

.sidebar-header h2 {
    font-size: 24px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-sidebar nav ul {
    list-style: none;
    padding: 0 16px;
}

.admin-sidebar nav ul li {
    margin-bottom: 6px;
}

.admin-sidebar nav ul li a {
    display: block;
    padding: 16px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    margin: 0 6px;
}

.admin-sidebar nav ul li a:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
}

.admin-sidebar nav ul li a.active {
    background: var(--accent-gradient);
    color: #ffffff;
}

.sidebar-footer {
    position: absolute;
    bottom: 28px;
    left: 280px;
    transform: translateX(-100%);
    padding: 0 28px;
    text-align: center;
}

.sidebar-footer p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 16px;
}

.sidebar-footer button {
    padding: 12px 32px;
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.sidebar-footer button:hover {
    background-color: var(--danger);
    color: #ffffff;
    border-color: var(--danger);
}

.admin-content {
    flex: 1;
    padding: 40px;
    margin-left: 280px;
    overflow-y: auto;
    min-height: 100vh;
}

/* Dashboard */
.dashboard h2 {
    margin-bottom: 40px;
    font-size: 32px;
    font-weight: 800;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.stat-card {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.stat-card.stat-danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.stat-card.stat-danger .stat-value {
    color: var(--danger);
}

.stat-value {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Admin Pages */
.admin-page h2 {
    margin-bottom: 32px;
    font-size: 28px;
    font-weight: 800;
}

.admin-page h3 {
    margin: 40px 0 20px;
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 600;
}

.data-table {
    background-color: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-top: 32px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 20px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
}

.data-table th {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.data-table input {
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    width: 100%;
    transition: border-color 0.3s ease;
}

.data-table input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Blocks Grid */
.blocks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 28px;
    margin-top: 32px;
}

.block-card {
    background-color: var(--bg-card);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.block-card:hover {
    border-color: var(--accent-primary);
}

.block-card input,
.block-card textarea,
.block-card select {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    transition: border-color 0.3s ease;
}

.block-card input:focus,
.block-card textarea:focus,
.block-card select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.block-card textarea {
    resize: vertical;
    min-height: 120px;
}

.block-card select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.block-actions {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

/* Admin Chat */
.admin-chat {
    display: flex;
    gap: 28px;
    height: calc(100vh - 200px);
}

.chat-sessions {
    width: 360px;
    background-color: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.chat-sessions h3 {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    background: rgba(0, 0, 0, 0.2);
}

.chat-sessions ul {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex: 1;
}

.chat-sessions li {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-sessions li:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.chat-sessions li.active {
    background-color: rgba(59, 130, 246, 0.15);
}

.session-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.session-name {
    font-weight: 700;
    font-size: 15px;
}

.unread-badge {
    background-color: var(--danger);
    color: #ffffff;
    font-size: 12px;
    padding: 5px 12px;
    border-radius: 12px;
    font-weight: 700;
}

.session-last {
    color: var(--text-secondary);
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-messages-area {
    flex: 1;
    background-color: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.messages-list {
    flex: 1;
    padding: 28px;
    overflow-y: auto;
}

.messages-list::-webkit-scrollbar {
    width: 6px;
}

.messages-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.messages-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.message {
    margin-bottom: 28px;
}

.message-sender {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.message-text {
    padding: 16px 24px;
    border-radius: 20px;
    max-width: 70%;
    font-size: 16px;
    line-height: 1.7;
}

.message.visitor .message-text {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--text-primary);
    margin-left: auto;
    border-bottom-right-radius: 6px;
}

.message.admin .message-text {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 6px;
}

.chat-input-area {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
}

.chat-input-area input {
    flex: 1;
    padding: 16px 24px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.chat-input-area input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.no-selection {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    font-size: 18px;
}

/* Pagination */
.pagination-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 14px;
}

.limit-select {
    padding: 8px 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.limit-select:hover {
    border-color: var(--accent-primary);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
}

.pagination button {
    padding: 10px 20px;
    font-size: 14px;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 48px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .crypto-grid {
        grid-template-columns: 1fr;
    }
    
    .market-table {
        overflow-x: auto;
    }
    
    .features-grid {
        gap: 20px;
    }
    
    .admin-layout {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        position: relative;
        height: auto;
        max-height: 350px;
    }
    
    .sidebar-footer {
        position: static;
        transform: none;
        margin-top: 28px;
        border-top: 1px solid var(--border-color);
        padding-top: 28px;
    }
    
    .admin-content {
        margin-left: 0;
        padding: 24px;
    }
    
    .admin-chat {
        flex-direction: column;
        height: auto;
        min-height: 650px;
    }
    
    .chat-sessions {
        width: 100%;
        max-height: 280px;
    }
    
    .chat-window {
        width: calc(100% - 48px);
        height: 500px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .btn-large {
        padding: 14px 32px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .feature-card {
        padding: 32px 24px;
    }
    
    .feature-icon {
        font-size: 48px;
    }
    
    .auth-form {
        padding: 40px 24px;
    }
}