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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.stock-chart-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 400"><path d="M0,300 Q150,250 300,280 T600,200 T900,150 T1200,100" stroke="rgba(255,255,255,0.2)" stroke-width="3" fill="none"/><path d="M0,350 Q100,300 200,320 T400,250 T600,200 T800,180 T1200,120" stroke="rgba(255,255,255,0.1)" stroke-width="2" fill="none"/></svg>') no-repeat center;
    background-size: cover;
    animation: chartMove 20s ease-in-out infinite;
}

@keyframes chartMove {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-50px); }
}

.floating-numbers {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-numbers .number {
    position: absolute;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 14px;
    animation: float 6s ease-in-out infinite;
}

.floating-numbers .number:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.floating-numbers .number:nth-child(2) { top: 40%; right: 15%; animation-delay: 1s; }
.floating-numbers .number:nth-child(3) { top: 60%; left: 20%; animation-delay: 2s; }
.floating-numbers .number:nth-child(4) { top: 30%; right: 25%; animation-delay: 3s; }
.floating-numbers .number:nth-child(5) { top: 70%; left: 60%; animation-delay: 4s; }
.floating-numbers .number:nth-child(6) { top: 15%; left: 70%; animation-delay: 5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.7; }
    50% { transform: translateY(-20px) scale(1.1); opacity: 1; }
}

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

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-main {
    display: block;
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    display: block;
    font-size: 0.7em;
    opacity: 0.9;
    margin: 10px 0;
}

.title-highlight {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ffd93d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.8em;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

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

.stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 24px;
    font-weight: 900;
    color: #ffd93d;
}

.stat-label {
    display: block;
    font-size: 12px;
    opacity: 0.8;
    margin-top: 5px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.cta-primary, .cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans KR', sans-serif;
}

.cta-primary {
    background: linear-gradient(45deg, #ff6b6b, #ffd93d);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.cta-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

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

.profile-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    text-align: center;
    color: white;
    transform: rotateY(-5deg) rotateX(5deg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.profile-avatar {
    position: relative;
    margin-bottom: 20px;
}

.profile-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.3);
}

.avatar-badge {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background: linear-gradient(45deg, #ff6b6b, #ffd93d);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 700;
}

.profile-info h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 10px;
}

.profile-info p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 5px;
}

.profile-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.title-icon {
    font-size: 1.2em;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f8fafc;
}

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

.about-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.about-card ul {
    list-style: none;
}

.about-card li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 20px;
}

.about-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.about-card li:last-child {
    border-bottom: none;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    border: 2px solid #f0f0f0;
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.1);
}

.benefit-card.premium {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.benefit-card.premium:hover {
    transform: translateY(-5px) scale(1.02);
}

.benefit-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.benefit-icon {
    font-size: 36px;
    margin-right: 15px;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 900;
    flex: 1;
}

.benefit-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 700;
}

.benefit-card:not(.premium) .benefit-tag {
    background: #667eea;
}

.benefit-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.benefit-content ul {
    list-style: none;
}

.benefit-content li {
    padding: 6px 0;
    position: relative;
    padding-left: 20px;
}

.benefit-content li:before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #ffd93d;
    font-size: 12px;
}

.benefit-card:not(.premium) .benefit-content li:before {
    color: #667eea;
}

/* How it Works Section */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step-item {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    max-width: 300px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 900;
    margin: 20px 0 15px;
    color: #1a1a1a;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.step-icon {
    font-size: 48px;
    opacity: 0.8;
}

.step-arrow {
    font-size: 24px;
    color: #667eea;
    font-weight: bold;
}

/* Reviews Section */
.reviews {
    padding: 100px 0;
    background: #f8fafc;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.review-card {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
    border-color: #667eea;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 14px;
}

.reviewer-details h4 {
    font-size: 16px;
    font-weight: 900;
    margin-bottom: 5px;
    color: #1a1a1a;
}

.reviewer-period {
    font-size: 12px;
    color: #666;
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 10px;
}

.review-rating {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.stars {
    font-size: 16px;
    line-height: 1;
}

.rating-score {
    font-size: 14px;
    font-weight: 900;
    color: #667eea;
}

.review-content {
    margin-bottom: 15px;
}

.review-content p {
    color: #444;
    line-height: 1.6;
    font-size: 15px;
    margin: 0;
    quotes: '"' '"';
}

.review-content p:before {
    content: open-quote;
    font-size: 20px;
    color: #667eea;
    font-weight: bold;
}

.review-content p:after {
    content: close-quote;
    font-size: 20px;
    color: #667eea;
    font-weight: bold;
}

.review-date {
    font-size: 12px;
    color: #999;
    text-align: right;
    font-weight: 500;
}

.reviews-summary {
    text-align: center;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.summary-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    align-items: center;
}

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

.summary-stats .stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 36px;
    font-weight: 900;
    color: #667eea;
    margin-bottom: 10px;
}

.summary-stats .stat-label {
    display: block;
    font-size: 14px;
    color: #666;
    font-weight: 700;
    margin-bottom: 8px;
}

.stars-display {
    font-size: 20px;
}

/* Rules Section */
.rules {
    padding: 100px 0;
    background: white;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.rule-card {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.rule-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.rule-card.warning {
    background: #fff5f5;
    border-color: #fed7d7;
}

.rule-card.warning:hover {
    border-color: #fc8181;
}

.rule-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.rule-card h3 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.rule-card ul {
    list-style: none;
}

.rule-card li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    padding-left: 25px;
}

.rule-card li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 20px;
}

.rule-card.warning li:before {
    color: #e53e3e;
}

.rule-card li:last-child {
    border-bottom: none;
}

.disclaimer {
    background: #fff3cd;
    border: 2px solid #ffeaa7;
    border-radius: 15px;
    padding: 25px;
    margin-top: 40px;
}

.disclaimer h4 {
    font-size: 18px;
    font-weight: 900;
    margin-bottom: 15px;
    color: #856404;
}

.disclaimer p {
    color: #856404;
    line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-content > p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.cta-primary.large, .cta-secondary.large {
    padding: 20px 40px;
    font-size: 18px;
}

.cta-note {
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 50px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.footer-info h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 10px;
}

.footer-info p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-link {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 1;
}

.footer-contact {
    text-align: right;
}

.footer-contact p {
    margin-bottom: 10px;
    opacity: 0.6;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact {
        text-align: center;
    }
    
    .about-grid,
    .benefits-grid,
    .reviews-grid,
    .rules-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-stats {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-primary, .cta-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-primary.large, .cta-secondary.large {
        width: 100%;
        max-width: 300px;
    }
}

/* Floating Button Styles */
.floating-button {
    position: fixed;
    bottom: 30px;
    left: 40%;
    transform: translateX(-50%);
    z-index: 1000;
    animation: floatBounce 3s ease-in-out infinite;
}

.kakao-join-btn {
    background: linear-gradient(45deg, #FEE500, #FFEB3B);
    color: #3c1e1e;
    border: none;
    border-radius: 50px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 900;
    font-family: 'Noto Sans KR', sans-serif;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(254, 229, 0, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.kakao-join-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 40px rgba(254, 229, 0, 0.6);
    background: linear-gradient(45deg, #FFEB3B, #FEE500);
}

.kakao-join-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.kakao-icon {
    font-size: 20px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes floatBounce {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-10px); 
    }
}

@keyframes bounce {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.2); 
    }
}

/* Mobile Responsive for Floating Button */
@media (max-width: 768px) {
    .floating-button {
        bottom: 20px;
        left: 20px;
        right: 20px;
        transform: none;
        text-align: center;
    }
    
    .kakao-join-btn {
        width: 100%;
        max-width: none;
        font-size: 15px;
        padding: 14px 20px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .floating-button {
        bottom: 15px;
        left: 15px;
        right: 15px;
    }
    
    .kakao-join-btn {
        font-size: 14px;
        padding: 12px 16px;
    }
}