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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Section */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="30" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="30" cy="80" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="70" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s infinite linear;
    z-index: 1;
}

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

.header-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.header-text {
    text-align: left;
}

.header h1 {
    font-size: 3.8rem;
    font-weight: 900;
    margin-bottom: 25px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.header .subtitle {
    font-size: 1.6rem;
    font-weight: 500;
    margin-bottom: 30px;
    opacity: 0.95;
    line-height: 1.4;
}

.header .highlight {
    background: linear-gradient(45deg, #f0f8ff, #e6f3ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: #f0f8ff;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.header-visual {
    text-align: center;
    position: relative;
}

.hero-avatar {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #f0f8ff);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 4.5rem;
    color: white;
    font-weight: 900;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    position: relative;
}

.hero-avatar::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: linear-gradient(45deg, #f0f8ff, #667eea);
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.experience-badge {
    background: linear-gradient(45deg, #f0f8ff, #e6f3ff);
    color: #667eea;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 900;
    font-size: 1.2rem;
    display: inline-block;
    box-shadow: 0 10px 25px rgba(240,248,255,0.3);
    margin-top: 30px;
}

/* Master Profile Section */
.master-profile {
    background: white;
    padding: 100px 0;
    position: relative;
}

.master-profile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, #764ba2 0%, white 100%);
}

.profile-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    border-radius: 25px;
    padding: 70px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
    border: 3px solid #667eea;
    position: relative;
    z-index: 2;
}

.profile-header {
    text-align: center;
    margin-bottom: 60px;
}

.profile-header h2 {
    font-size: 2.8rem;
    font-weight: 900;
    color: #667eea;
    margin-bottom: 20px;
}

.profile-header .title {
    font-size: 1.4rem;
    color: #764ba2;
    font-weight: 700;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

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

.profile-image .avatar {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 4rem;
    color: white;
    font-weight: 900;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.profile-details {
    padding-left: 30px;
}

.profile-details h3 {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 25px;
    font-weight: 700;
}

.achievement-list {
    list-style: none;
    margin-bottom: 30px;
}

.achievement-list li {
    padding: 18px 0;
    border-bottom: 1px solid #eee;
    font-size: 1.2rem;
    font-weight: 500;
    position: relative;
    padding-left: 35px;
}

.achievement-list li::before {
    content: '📈';
    position: absolute;
    left: 0;
    font-size: 1.3rem;
}

.achievement-list li:last-child {
    border-bottom: none;
}

/* Community Features */
.community-features {
    background: linear-gradient(135deg, #f8f9ff 0%, #e6f3ff 100%);
    padding: 100px 0;
}

.features-header {
    text-align: center;
    margin-bottom: 80px;
}

.features-header h2 {
    font-size: 3rem;
    font-weight: 900;
    color: #667eea;
    margin-bottom: 25px;
}

.features-header p {
    font-size: 1.4rem;
    color: #666;
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 1.6rem;
    color: #667eea;
    margin-bottom: 20px;
    font-weight: 700;
}

.feature-card p {
    color: #666;
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
}

.benefits-header {
    text-align: center;
    margin-bottom: 80px;
}

.benefits-header h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 25px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.benefit-item {
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-10px);
}

.benefit-item h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #f0f8ff;
    font-weight: 700;
}

.benefit-item p {
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f3ff 100%);
    color: #667eea;
    padding: 100px 0;
    text-align: center;
}

.cta h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 25px;
}

.cta p {
    font-size: 1.4rem;
    margin-bottom: 50px;
    font-weight: 500;
}

.cta-button {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 25px 60px;
    border: none;
    border-radius: 50px;
    font-size: 1.4rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 15px 35px rgba(102,126,234,0.3);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(102,126,234,0.4);
}

.contact-info {
    margin-top: 50px;
    font-size: 1.2rem;
    line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .header h1 {
        font-size: 2.8rem;
    }
    
    .hero-avatar {
        width: 250px;
        height: 250px;
        font-size: 3.5rem;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .profile-details {
        padding-left: 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}
.floating-button-container {
    position: fixed;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 1000;
    pointer-events: none;
    }
    @keyframes bounce {
    0%, 100% {
    transform: translateY(0);
    }
    50% {
    transform: translateY(-10px);
    }
    }
    .floating-button {
    position: relative;
    background: #05C705;
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
    transition: all 0.3s ease;
    white-space: nowrap;
    pointer-events: auto;
    }
    
    .floating-button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }
    
    .floating-button .icon {
    font-size: 24px;
    }
    
    @media (max-width: 768px) {
    .floating-button-container {
    bottom: 20px;
    }
    
    .floating-button {
    font-size: 16px;
    padding: 12px 24px;
    }
    }
    
    @media (max-width: 480px) {
    .floating-button {
    font-size: 14px;
    padding: 10px 20px;
    }
    
    .floating-button .icon {
    font-size: 18px;
    }
    }