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

:root {
    --primary-bg: #0a0e27;
    --secondary-bg: #1a1f3a;
    --accent-blue: #4a9eff;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --card-bg: rgba(26, 31, 58, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #1a1f3a 50%, #2d1b4e 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Navigation - Logo 크기 대폭 증가 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem 2rem;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.5rem 0;
}

.logo {
    height: 60px; /* 기본 크기의 3배 */
    width: auto;
    filter: drop-shadow(0 0 20px rgba(74, 158, 255, 0.5));
    transition: all 0.3s ease;
}

.logo:hover {
    filter: drop-shadow(0 0 30px rgba(74, 158, 255, 0.8));
    transform: scale(1.05);
}

.logo-text {
    font-size: 2rem; /* 더 크게 */
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem; /* 더 크게 */
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transition: width 0.3s ease;
}

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

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

.cta-button {
    padding: 0.9rem 2rem; /* 더 크게 */
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem; /* 더 크게 */
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(74, 158, 255, 0.4);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(74, 158, 255, 0.6);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 2rem; /* 더 크게 */
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(74, 158, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-tag {
    display: inline-block;
    padding: 0.75rem 1.8rem; /* 더 크게 */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 1.1rem; /* 더 크게 */
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 4.5rem; /* 더 크게 */
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero p {
    font-size: 1.5rem; /* 더 크게 */
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 1.2rem 3rem; /* 더 크게 */
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem; /* 더 크게 */
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 20px rgba(74, 158, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(74, 158, 255, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    transform: translateY(-3px);
}

/* Section Styles */
section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-tag {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--accent-blue);
    backdrop-filter: blur(10px);
}

.section-header h2 {
    font-size: 3.5rem; /* 더 크게 */
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff, var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.3rem; /* 더 크게 */
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(74, 158, 255, 0.3);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.8rem; /* 더 크게 */
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card p {
    font-size: 1.1rem; /* 더 크게 */
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Staking Section */
.staking-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.staking-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    position: relative;
}

.staking-card h3 {
    font-size: 2rem; /* 더 크게 */
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.staking-card ul {
    list-style: none;
    margin: 2rem 0;
}

.staking-card li {
    padding: 0.8rem 0;
    font-size: 1.1rem; /* 더 크게 */
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.staking-card li::before {
    content: '✓';
    color: var(--accent-blue);
    font-weight: bold;
    font-size: 1.3rem;
}

/* Token Distribution */
.token-distribution {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.distribution-item {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.distribution-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.distribution-percentage {
    font-size: 3rem; /* 더 크게 */
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.distribution-label {
    font-size: 1.1rem; /* 더 크게 */
    color: var(--text-secondary);
}

/* Roadmap */
.roadmap-container {
    position: relative;
    max-width: 1000px;
    margin: 3rem auto;
}

.roadmap-item {
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    align-items: center;
}

.roadmap-content {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.roadmap-content:hover {
    transform: translateX(10px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 40px rgba(74, 158, 255, 0.3);
}

.roadmap-date {
    font-size: 1.1rem; /* 더 크게 */
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.roadmap-content h3 {
    font-size: 1.8rem; /* 더 크게 */
    margin-bottom: 1rem;
}

.roadmap-content ul {
    list-style: none;
    margin-top: 1rem;
}

.roadmap-content li {
    padding: 0.6rem 0;
    font-size: 1.05rem; /* 더 크게 */
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.roadmap-content li::before {
    content: '▸';
    color: var(--accent-blue);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.roadmap-marker {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 0 30px rgba(74, 158, 255, 0.5);
}

/* Footer */
footer {
    background: rgba(10, 14, 39, 0.95);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    font-size: 1.5rem; /* 더 크게 */
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-section p,
.footer-section a {
    font-size: 1.05rem; /* 더 크게 */
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-blue);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 1rem;
}

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

/* Responsive Design - Mobile Optimization */
@media (max-width: 968px) {
    /* Navigation Mobile */
    .nav-container {
        padding: 0;
    }

    .logo {
        height: 50px; /* 모바일에서도 충분히 큼 */
    }

    .logo-text {
        font-size: 1.6rem;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        padding: 3rem 2rem;
        transition: left 0.3s ease;
        gap: 2rem;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 1.3rem; /* 모바일에서 더 크게 */
        padding: 1rem 0;
        width: 100%;
        text-align: center;
    }

    .cta-button {
        width: 100%;
        text-align: center;
        padding: 1.2rem 2rem; /* 터치하기 편한 크기 */
        font-size: 1.2rem;
    }

    /* Hero Mobile */
    .hero {
        padding: 6rem 1.5rem 3rem;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2.8rem; /* 모바일에 맞게 조정 */
        line-height: 1.2;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 1.2rem 2rem; /* 터치하기 편한 크기 */
        font-size: 1.1rem;
    }

    /* Sections Mobile */
    section {
        padding: 4rem 1.5rem;
    }

    .section-header h2 {
        font-size: 2.5rem; /* 모바일에 맞게 조정 */
    }

    .section-header p {
        font-size: 1.1rem;
    }

    /* Cards Mobile */
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .card {
        padding: 2rem;
    }

    .card h3 {
        font-size: 1.6rem;
    }

    .card p {
        font-size: 1.05rem;
    }

    /* Staking Mobile */
    .staking-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Token Distribution Mobile */
    .token-distribution {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .distribution-percentage {
        font-size: 2.5rem;
    }

    .distribution-label {
        font-size: 0.95rem;
    }

    /* Roadmap Mobile */
    .roadmap-item {
        grid-template-columns: 60px 1fr;
        gap: 1.5rem;
    }

    .roadmap-marker {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }

    .roadmap-content {
        padding: 1.8rem;
    }

    .roadmap-content h3 {
        font-size: 1.5rem;
    }

    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 480px) {
    /* Extra small mobile devices */
    .logo {
        height: 45px;
    }

    .logo-text {
        font-size: 1.4rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .token-distribution {
        grid-template-columns: 1fr;
    }

    .btn-primary,
    .btn-secondary {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
}