@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;700;900&display=swap');

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #f8f9fa;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: #1e3a8a;
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: #fbbf24;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #fbbf24;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #1e40af 100%);
    overflow: hidden;
    padding-top: 80px;
}

.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 1000 1000"><path d="M200,200 Q400,100 600,200 T1000,200" stroke="%2310b981" stroke-width="2" fill="none" opacity="0.3"/><path d="M0,300 Q200,250 400,300 T800,300" stroke="%23fbbf24" stroke-width="2" fill="none" opacity="0.3"/><path d="M100,400 Q300,350 500,400 T900,400" stroke="%2334d399" stroke-width="2" fill="none" opacity="0.3"/></svg>') center/cover;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

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

.hero-text h1 {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(45deg, #fbbf24, #10b981, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-text .subtitle {
    font-size: 1.8rem;
    color: #fbbf24;
    margin-bottom: 30px;
    font-weight: 700;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #e5e7eb;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #10b981, #34d399);
    color: white;
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 900;
    font-size: 1.3rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

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

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.6);
}

.hero-visual {
    position: relative;
}

.chart-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.chart {
    width: 100%;
    height: 300px;
    background: linear-gradient(45deg, #f8fafc, #e2e8f0);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    border: 2px solid #e5e7eb;
}

.chart-line {
    position: absolute;
    bottom: 50px;
    left: 20px;
    right: 20px;
    height: 200px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 200"><path d="M0,180 Q50,160 100,140 T200,100 T300,60 T400,20" stroke="%2310b981" stroke-width="4" fill="none"/></svg>') center/cover no-repeat;
    animation: drawLine 3s ease-in-out infinite alternate;
}

@keyframes drawLine {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.profit-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, #10b981, #34d399);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    font-weight: 900;
    font-size: 1.4rem;
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.4);
}

/* Trust Indicators */
.trust-section {
    padding: 80px 0;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.trust-item {
    padding: 30px 20px;
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #1e3a8a;
}

.trust-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1e3a8a;
}

.trust-item p {
    color: #6b7280;
    font-size: 0.95rem;
}

/* Expert Section */
.expert-section {
    padding: 100px 0;
    background: #f8fafc;
}

.expert-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
    align-items: center;
}

.expert-image {
    position: relative;
}

.expert-photo {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, #1e3a8a, #3b82f6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 900;
    color: white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.expert-info h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 20px;
    color: #1e3a8a;
}

.expert-info .title {
    font-size: 1.5rem;
    color: #10b981;
    margin-bottom: 30px;
    font-weight: 700;
}

.achievement {
    background: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
    border-left: 5px solid #fbbf24;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.achievement h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1e3a8a;
}

.achievement p {
    color: #4b5563;
}

/* Investment Philosophy */
.philosophy-section {
    padding: 100px 0;
    background: white;
}

.philosophy-content {
    text-align: center;
    margin-bottom: 60px;
}

.philosophy-content h2 {
    font-size: 3rem;
    font-weight: 900;
    color: #1e3a8a;
    margin-bottom: 30px;
}

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

.philosophy-item {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e5e7eb;
    transition: transform 0.3s ease;
}

.philosophy-item:hover {
    transform: translateY(-5px);
    border-color: #10b981;
}

.philosophy-item .icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #1e3a8a;
}

.philosophy-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1e3a8a;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, #1e3a8a, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.section-title p {
    font-size: 1.2rem;
    color: #6b7280;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #10b981;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #1e3a8a, #3b82f6);
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1e3a8a;
}

.feature-card p {
    color: #4b5563;
}

/* Market Analysis Section */
.market-section {
    padding: 100px 0;
    background: white;
}

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

.market-info h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 30px;
    color: #1e3a8a;
}

.market-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.market-stat {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid #e5e7eb;
}

.market-stat .number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #10b981;
    margin-bottom: 10px;
}

.market-stat .label {
    color: #6b7280;
    font-weight: 600;
}

/* Stats Section */
.stats-section {
    padding: 100px 0;
    background: #1e3a8a;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.stat-card {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, #fbbf24, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.2rem;
    color: #e5e7eb;
    font-weight: 700;
}

/* Testimonials Section */
.testimonials-section {
    padding: 100px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: #f8fafc;
    padding: 40px;
    border-radius: 20px;
    border-left: 5px solid #10b981;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.testimonial-text {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    font-weight: 700;
    color: #1e3a8a;
}

.testimonial-role {
    color: #6b7280;
    font-size: 0.9rem;
}

/* Community Rules */
.rules-section {
    padding: 100px 0;
    background: #f8fafc;
}

.rules-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 80px;
    align-items: center;
}

.rules-visual {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, #1e3a8a, #10b981);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 900;
    color: white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.rule-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
    border-left: 5px solid #10b981;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.rule-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1e3a8a;
}

.rule-item p {
    color: #4b5563;
}

/* Join Section */
.join-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    text-align: center;
    color: white;
}

.join-content h2 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #fbbf24, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.join-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fbbf24;
}

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 60px 0 30px;
}

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

.footer-section h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fbbf24;
}

.footer-section p,
.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    margin-bottom: 10px;
    display: block;
}

.footer-section a:hover {
    color: #10b981;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #9ca3af;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    margin: 0 15px;
}

.footer-links a:hover {
    color: #10b981;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #f3f4f6;
    transition: all 0.3s ease;
}

.close:hover {
    color: #1e3a8a;
    background: #e5e7eb;
}

.modal h2 {
    color: #1e3a8a;
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 30px;
    padding-right: 60px;
}

.modal h3 {
    color: #10b981;
    font-size: 1.3rem;
    font-weight: 700;
    margin: 25px 0 15px 0;
}

.modal p, .modal li {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 15px;
}

.modal ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }
    
    .nav-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .expert-content,
    .rules-content,
    .market-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .modal-content {
        margin: 2% auto;
        padding: 30px 20px;
        width: 95%;
    }
    
    .floating-button {
        left: 50%;
        transform: translateX(-50%);
        width: 95%;
        max-width: 400px;
        font-size: 0.9rem;
        padding: 15px 20px;
    }
    
    .floating-button-text {
        line-height: 1.4;
    }
}

/* Floating Bottom Button */
.floating-button {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
    cursor: pointer;
    z-index: 1000;
    max-width: 500px;
    width: 90%;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid #fbbf24;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.floating-button:hover {
    transform: translateX(-50%) translateY(-3px);
    box-shadow: 0 12px 35px rgba(30, 58, 138, 0.4);
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
}

.floating-button-text {
    line-height: 1.5;
}

.floating-button strong {
    color: #fbbf24;
    font-weight: 700;
}

@keyframes pulse {
    0% {
        box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3), 0 0 0 0 rgba(251, 191, 36, 0.7);
    }
    70% {
        box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3), 0 0 0 10px rgba(251, 191, 36, 0);
    }
    100% {
        box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3), 0 0 0 0 rgba(251, 191, 36, 0);
    }
}