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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* Header */
.header {
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5AA0 50%, #B8860B 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.logo-image {
    height: 50px;
    width: auto;
    margin-bottom: 0.2rem;
    display: block;
}

.logo .tagline {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 400;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle i {
    transition: transform 0.3s ease;
}

/* Language Selector */
.language-selector {
    position: relative;
    margin-right: 1rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    color: white;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
}

.lang-btn i {
    font-size: 0.9rem;
}

.current-lang {
    font-weight: 600;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 180px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

.language-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    color: #333;
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: rgba(212,175,55,0.1);
}

.lang-option.active {
    background: rgba(212,175,55,0.15);
    font-weight: 600;
    color: #D4AF37;
}

.lang-option .flag {
    font-size: 1.3rem;
}

.lang-option span:last-child {
    font-size: 0.95rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.cta-button {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255,255,255,0.3);
}

.cta-button:hover {
    background: linear-gradient(45deg, #FFD700, #D4AF37);
    color: #1E3A5F;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212,175,55,0.5);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5AA0 50%, #B8860B 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    z-index: 10;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.main-badge {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    box-shadow: 0 5px 20px rgba(255,107,107,0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.highlight-big {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 4rem;
    display: block;
    text-shadow: 0 0 30px rgba(255,215,0,0.5);
    line-height: 1.3;
    padding-bottom: 0.2rem;
}

.ai-text {
    background: linear-gradient(45deg, #00d4aa, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

.special-highlight {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-weight: 700;
    display: inline-block;
    margin-top: 1rem;
    animation: glow 2s infinite alternate;
    font-size: 1.1rem;
}

@keyframes glow {
    from { box-shadow: 0 0 10px rgba(255,107,107,0.5); }
    to { box-shadow: 0 0 25px rgba(255,107,107,0.8); }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: #ffd700;
    display: block;
    margin-bottom: 0.5rem;
    line-height: 1.2;
    white-space: nowrap;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 500;
    line-height: 1.3;
    white-space: nowrap;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
    position: relative;
    z-index: 100;
    isolation: isolate;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 8px 25px rgba(255,107,107,0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255,107,107,0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 1.2rem 2.5rem;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.btn-telegram {
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: white;
    padding: 1rem 1.8rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    box-shadow: 0 8px 25px rgba(0,136,204,0.3);
    white-space: nowrap;
}

.btn-telegram:hover {
    background: linear-gradient(135deg, #229ED9 0%, #0088cc 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0,136,204,0.4);
}

.btn-telegram.korea {
    background: linear-gradient(135deg, #1E3A5F 0%, #D4AF37 100%);
    box-shadow: 0 8px 25px rgba(212,175,55,0.3);
}

.btn-telegram.korea:hover {
    background: linear-gradient(135deg, #D4AF37 0%, #FFD700 100%);
    box-shadow: 0 12px 35px rgba(212,175,55,0.5);
}

/* Crypto Cards */
.crypto-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    position: static;
    z-index: 1;
    margin-top: 3rem;
    padding-bottom: 3rem;
}

.crypto-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    position: static;
    z-index: 1;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: none;
    border: 1px solid rgba(255,255,255,0.3);
    transform: none !important;
    animation: none !important;
    pointer-events: auto;
    will-change: auto;
}

.crypto-card:hover {
    background: rgba(255,255,255,0.15);
    box-shadow: none;
    transform: none !important;
}

.crypto-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.crypto-card.eth i { color: #FFD700; }
.crypto-card.sol i { color: #D4AF37; }
.crypto-card.ada i { color: #DAA520; }
.crypto-card.trx i { color: #B8860B; }
.crypto-card.bnb i { color: #FFD700; }
.crypto-card.new-coin i { color: #F0E68C; }

.crypto-card span {
    font-size: 1.4rem;
    font-weight: 700;
    display: block;
    margin-bottom: 1rem;
}

.apy {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(255,215,0,0.3);
}

/* AI Highlight Section */
.ai-highlight {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    z-index: 9;
    isolation: isolate;
}

.ai-banner {
    display: flex;
    align-items: center;
    gap: 3rem;
    background: linear-gradient(135deg, #1E3A5F, #2C5AA0, #D4AF37);
    color: white;
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 15px 40px rgba(212,175,55,0.4);
    position: relative;
    overflow: hidden;
}

.ai-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.ai-icon {
    font-size: 4rem;
    color: #ffd700;
}

.ai-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.ai-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    line-height: 1.7;
}

.ai-badge {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    padding: 1rem 2rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
    position: relative;
    z-index: 8;
    isolation: isolate;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #333;
}

.section-header p {
    font-size: 1.3rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 25px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    border: 2px solid #f8f9fa;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #D4AF37, #FFD700, #2C5AA0);
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(212,175,55,0.3);
    border-color: #D4AF37;
}

.feature-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #D4AF37, #FFD700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.feature-icon i {
    font-size: 2.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* Coins Section */
.coins {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.coins-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.coin-card-large {
    background: white;
    border-radius: 25px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.coin-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.coin-card-large.ethereum::before { background: linear-gradient(90deg, #D4AF37, #2C5AA0); }
.coin-card-large.solana::before { background: linear-gradient(90deg, #FFD700, #1E3A5F); }
.coin-card-large.cardano::before { background: linear-gradient(90deg, #B8860B, #2C5AA0); }
.coin-card-large.tron::before { background: linear-gradient(90deg, #D4AF37, #1E4A7F); }
.coin-card-large.bnb::before { background: linear-gradient(90deg, #FFD700, #D4AF37); }
.coin-card-large.special::before { background: linear-gradient(90deg, #C9B037, #FFD700); }

.coin-card-large:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(212,175,55,0.3);
    border-color: #D4AF37;
}

.coin-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.coin-header i {
    font-size: 3rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(0,0,0,0.05);
}

.coin-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.3rem;
}

.network {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

.coin-apy {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(255,215,0,0.3);
}

.special-apy {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
}

.apy-label {
    display: block;
    font-size: 1rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.special-apy .apy-label {
    color: white;
}

.apy-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: #333;
}

.special-apy .apy-value {
    color: white;
}

.coin-features {
    space-y: 0.8rem;
}

.feature {
    color: #666;
    margin-bottom: 0.8rem;
    font-size: 1rem;
    font-weight: 500;
}

/* Investment Information */
.investment-info-section {
    margin-top: 4rem;
    padding: 3rem;
    background: white;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.investment-info-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(212,175,55,0.3);
    border-color: #D4AF37;
}

.info-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D4AF37, #FFD700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.info-icon i {
    font-size: 2rem;
    color: white;
}

.info-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.info-card p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

.profit-table-section h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: #333;
}

.profit-table-container {
    overflow-x: auto;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.profit-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 15px;
    overflow: hidden;
}

.profit-table thead {
    background: linear-gradient(135deg, #1E3A5F, #D4AF37);
    color: white;
}

.profit-table th,
.profit-table td {
    padding: 1.5rem 1rem;
    text-align: center;
    border-bottom: 1px solid #eee;
    font-size: 1.1rem;
}

.profit-table th {
    font-weight: 700;
    font-size: 1.2rem;
}

.amount {
    font-weight: 700;
    font-size: 1.3rem;
    color: #333;
}

.profit {
    font-weight: 700;
    font-size: 1.2rem;
}

.eth-profit { color: #D4AF37; }
.sol-profit { color: #FFD700; }
.ada-profit { color: #B8860B; }
.trx-profit { color: #DAA520; }
.bnb-profit { color: #FFD700; }

.highlight-row {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.highlight-row .amount {
    color: #D4AF37;
    font-size: 1.4rem;
}

/* Referral Section */
.referral {
    padding: 100px 0;
    background: white;
}

.referral-hero {
    margin-bottom: 4rem;
}

.referral-main-card {
    background: linear-gradient(135deg, #1E3A5F, #2C5AA0, #D4AF37);
    color: white;
    padding: 4rem;
    border-radius: 30px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(212,175,55,0.4);
    position: relative;
    overflow: hidden;
}

.referral-main-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.referral-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.referral-title i {
    font-size: 3rem;
    color: #ffd700;
}

.referral-title h3 {
    font-size: 2.5rem;
    font-weight: 800;
}

.referral-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

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

.referral-stat .stat-number {
    font-size: 4rem;
    font-weight: 900;
    color: #ffd700;
    display: block;
    margin-bottom: 0.5rem;
}

.referral-stat .stat-label {
    font-size: 1.2rem;
    font-weight: 600;
}

.referral-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.referral-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
}

.referral-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
}

.referral-card.level-1::before { background: linear-gradient(90deg, #FFD700, #D4AF37); }
.referral-card.level-2::before { background: linear-gradient(90deg, #D4AF37, #2C5AA0); }
.referral-card.level-3::before { background: linear-gradient(90deg, #B8860B, #1E3A5F); }

.referral-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(0,0,0,0.2);
}

.level-badge {
    background: linear-gradient(45deg, #D4AF37, #FFD700);
    color: #1E3A5F;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.commission-rate {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.referral-card.level-1 .commission-rate { color: #FFD700; }
.referral-card.level-2 .commission-rate { color: #D4AF37; }
.referral-card.level-3 .commission-rate { color: #B8860B; }

.referral-card h4 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #333;
    font-weight: 700;
}

.example-box {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    border-left: 5px solid #ffd700;
}

.example-box p {
    margin-bottom: 0.8rem;
    color: #666;
    line-height: 1.6;
}

.highlight-amount {
    color: #D4AF37;
    font-weight: 700;
}

.profit-amount {
    color: #ff6b6b;
    font-weight: 800;
    font-size: 1.1rem;
}

.features-list {
    text-align: left;
}

.features-list .feature {
    color: #666;
    margin-bottom: 0.8rem;
    font-size: 1rem;
    font-weight: 500;
}

/* Referral Calculator */
.referral-calculator {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.referral-calculator h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: #333;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.calc-scenario {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.calc-scenario h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #333;
    text-align: center;
}

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    font-size: 1rem;
}

.calc-result {
    font-weight: 700;
    color: #D4AF37;
}

.calc-total {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #1E3A5F, #D4AF37);
    color: white;
    border-radius: 15px;
    text-align: center;
    font-size: 1.2rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5AA0 50%, #D4AF37 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 3;
    isolation: isolate;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.2)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.2)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.2)"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-badge {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    padding: 1rem 3rem;
    border-radius: 30px;
    font-weight: 800;
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 1.3rem;
    box-shadow: 0 8px 25px rgba(255,215,0,0.4);
    animation: pulse 2s infinite;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    line-height: 1.7;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.1);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.highlight-item i {
    font-size: 1.5rem;
    color: #ffd700;
}

.highlight-item span {
    font-weight: 600;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.btn-primary-large {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 1.5rem 4rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(255,107,107,0.4);
}

.btn-primary-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255,107,107,0.6);
}

.trust-indicators {
    display: flex;
    gap: 3rem;
    font-size: 1rem;
    opacity: 0.9;
    flex-wrap: wrap;
    justify-content: center;
}

.trust-indicators span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
    position: relative;
    z-index: 2;
    isolation: isolate;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-brand p {
    opacity: 0.8;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.1rem;
}

.footer-highlight {
    background: linear-gradient(45deg, #D4AF37, #FFD700);
    color: #1E3A5F;
    padding: 1rem 2rem;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.company-info {
    background: rgba(255,255,255,0.05);
    padding: 1.5rem;
    border-radius: 15px;
    margin-top: 1.5rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.company-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.company-info strong {
    color: #ffd700;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.link-group h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffd700;
}

.link-group a {
    display: block;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.link-group a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    /* 모바일에서 헤더 태그라인 숨기기 (헤더 높이 줄이기) */
    .logo .tagline {
        display: none;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .header {
        padding: 0.8rem 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(135deg, #1E3A5F 0%, #2C5AA0 50%, #D4AF37 100%);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        box-shadow: -5px 0 15px rgba(0,0,0,0.3);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-link, .cta-button {
        width: 100%;
        text-align: left;
        padding: 1rem;
        border-radius: 8px;
    }
    
    .language-selector {
        width: 100%;
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .lang-btn {
        width: 100%;
        justify-content: space-between;
    }
    
    /* 히어로 섹션 모바일 최적화 */
    .hero {
        padding: 90px 0 80px;
        min-height: auto;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding-bottom: 4rem;
    }
    
    .main-badge {
        margin-top: 1.5rem;
        font-size: 0.95rem;
        padding: 0.7rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .highlight-big {
        font-size: 2.2rem;
        line-height: 1.4;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-bottom: 2.5rem;
    }
    
    .stat {
        padding: 1.2rem 0.5rem;
        min-height: 100px;
    }
    
    .stat-number {
        font-size: 1.2rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* 버튼들 z-index 강화 및 간격 대폭 증가 */
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.8rem;
        z-index: 1000 !important;
        position: relative;
        margin-bottom: 5rem;
        padding-bottom: 5rem;
        isolation: isolate;
        background: linear-gradient(to bottom, transparent, rgba(30, 58, 95, 0.3));
        padding-top: 1rem;
        border-radius: 10px;
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary,
    .hero-buttons .btn-telegram {
        z-index: 1001 !important;
        position: relative;
        margin-bottom: 0;
        width: 100%;
        max-width: 300px;
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }
    
    /* 히어로 텍스트 영역과 비주얼 영역 완전 분리 */
    .hero-text {
        position: relative;
        z-index: 100;
        padding-bottom: 4rem;
    }
    
    .hero-visual {
        margin-top: 6rem;
        position: relative;
        z-index: 1;
        order: 2;
    }
    
    /* 암호화폐 카드 영역 최적화 */
    .crypto-cards {
        grid-template-columns: 1fr;
        margin-top: 0;
        padding-top: 3rem;
        padding-bottom: 3rem;
        gap: 1rem;
        z-index: 1;
        position: relative;
        display: flex;
        flex-direction: column;
    }
    
    .crypto-card {
        position: relative !important;
        z-index: 1 !important;
        margin-bottom: 0;
        transform: none !important;
        transition: none !important;
        animation: none !important;
        will-change: auto !important;
        pointer-events: auto;
    }
    
    .ai-banner {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .coins-showcase {
        grid-template-columns: 1fr;
    }
    
    .referral-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .referral-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-highlights {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
    
    .profit-table th,
    .profit-table td {
        padding: 1rem 0.5rem;
        font-size: 0.9rem;
    }
}

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

.feature-card,
.coin-card-large,
.referral-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Interactive Elements */
.interactive:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* Staking Method Section */
.staking-method-section {
    margin-top: 4rem;
    padding: 3rem;
    background: white;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.staking-method-section h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: #333;
}

.method-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.method-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 20px;
    border-left: 4px solid #D4AF37;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #D4AF37, #FFD700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #1E3A5F;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #333;
}

.step-content p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

.supported-coins-info {
    text-align: center;
}

.supported-coins-info h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
}

.coins-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.coin-tag {
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    color: white;
}

.coin-tag.ethereum { background: linear-gradient(135deg, #D4AF37, #2C5AA0); }
.coin-tag.solana { background: linear-gradient(135deg, #FFD700, #1E3A5F); }
.coin-tag.cardano { background: linear-gradient(135deg, #B8860B, #2C5AA0); }
.coin-tag.tron { background: linear-gradient(135deg, #DAA520, #1E4A7F); }
.coin-tag.bnb { background: linear-gradient(135deg, #FFD700, #D4AF37); }
.coin-tag.tether { background: linear-gradient(135deg, #D4AF37, #FFD700); }

/* Withdrawal Section */
.withdrawal-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.withdrawal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.withdrawal-card {
    background: white;
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.withdrawal-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(212,175,55,0.3);
    border-color: #D4AF37;
}

.withdrawal-card.ecu-card {
    background: linear-gradient(135deg, #1E3A5F, #2C5AA0, #D4AF37);
    color: white;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.card-icon.tsb-icon {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #333;
}

.card-icon.ecu-icon {
    background: rgba(255,255,255,0.2);
    color: white;
}

.card-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
}

.ecu-card .card-header h3 {
    color: white;
}

.withdrawal-steps {
    space-y: 1.5rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: rgba(212,175,55,0.05);
    border-radius: 15px;
    border-left: 4px solid #D4AF37;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #D4AF37, #FFD700);
    color: #1E3A5F;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #333;
}

.step-content p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

.supported-networks {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(212,175,55,0.05);
    border-radius: 12px;
}

.supported-networks h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.networks {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.network {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.network.ethereum {
    background: #D4AF37;
    color: white;
}

.network.tron {
    background: #FFD700;
    color: #1E3A5F;
}

.ecu-info {
    space-y: 1.5rem;
}

.ecu-feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    border-left: 4px solid rgba(255,255,255,0.3);
}

.ecu-feature .feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.ecu-feature .feature-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.ecu-feature .feature-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.withdrawal-faq {
    background: white;
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.withdrawal-faq h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    color: #333;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
    border-left: 4px solid #D4AF37;
}

.faq-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: #333;
}

.faq-item p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* Referral Example Section */
.referral-example-section {
    margin-top: 3rem;
    padding: 3rem;
    background: rgba(255,255,255,0.1);
    border-radius: 25px;
}

.referral-example-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: #333;
}

.example-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid rgba(212,175,55,0.3);
}

.example-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
    text-align: center;
}

.example-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #333;
    text-align: center;
}

.calculation {
    space-y: 1rem;
    margin-bottom: 2rem;
}

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(212,175,55,0.05);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.calc-item span:first-child {
    color: #333;
    font-weight: 600;
}

.calc-item span:last-child {
    color: #D4AF37;
    font-weight: 700;
}

.total-calculation {
    text-align: center;
    padding: 1.5rem;
    background: rgba(212,175,55,0.1);
    border-radius: 15px;
    border: 2px solid rgba(212,175,55,0.3);
}

.total-calculation strong {
    font-size: 1.3rem;
    color: #333;
}