:root {
    --bg-color: #101c14;
    --surface-color: rgba(18, 32, 24, 0.80);
    --surface-color-hover: rgba(28, 48, 36, 0.85);
    --glass-surface: rgba(18, 32, 24, 0.55);
    --primary-color: #2ecc71;
    --primary-color-light: #4be08c;
    --text-color: #e1f7e6;
    --text-color-secondary: #a8c8b3;
    --stroke-color: rgba(46, 204, 113, 0.22);
    --highlight-color: rgba(46, 204, 113, 0.10);
    --border-radius: 12px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 25%, var(--primary-color-light) 0%, transparent 20%),
        radial-gradient(circle at 85% 75%, #2752c1 0%, transparent 25%);
    filter: blur(120px);
    opacity: 0.3;
    animation: animate-glow 15s ease-in-out infinite;
    z-index: -1;
}

@keyframes animate-glow {
    0% { transform: rotate(0deg) scale(1.0); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1.0); }
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.glass-card {
    background: var(--glass-surface);
    border: 1px solid var(--stroke-color);
    border-radius: var(--border-radius);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 28px;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 2rem 0;
}

.hero-content .logo {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.hero-content .logo span {
    color: var(--primary-color);
}

.hero-content .subtitle {
    font-size: 1.5rem;
    color: var(--text-color-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-content .description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    color: var(--text-color);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    padding: 1rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--stroke-color);
    min-width: 120px;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-color-secondary);
    margin-top: 0.5rem;
}

.features, .download, .news {
    padding: 6rem 0;
}

.features-title, .download-content h2, .news-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--primary-color-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid var(--stroke-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--surface-color-hover);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-color-secondary);
    line-height: 1.6;
}

.download-content {
    text-align: center;
}

.download-content > p {
    font-size: 1.2rem;
    color: var(--text-color-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    padding: 1rem 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(46, 204, 113, 0.5);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-smooth);
}

.news-item:hover {
    transform: translateX(5px);
    background: var(--surface-color-hover);
}

.news-date {
    color: var(--primary-color-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.news-item h4 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.news-item p {
    color: var(--text-color-secondary);
    line-height: 1.5;
}

.footer {
    background: var(--bg-color);
    padding: 4rem 0 2rem;
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid var(--stroke-color);
}

.footer .logo {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.footer .logo span {
    color: var(--primary-color);
}

.footer-disclaimer {
    color: var(--text-color-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.footer-social p {
    color: var(--text-color-secondary);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

.modal-content {
    background: var(--surface-color);
    margin: 10% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    position: relative;
    border: 1px solid var(--stroke-color);
}

.close {
    color: var(--text-color-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.close:hover {
    color: var(--text-color);
}

.modal h2 {
    color: var(--primary-color-light);
    margin-bottom: 20px;
    text-align: center;
    font-size: 2rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--stroke-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.3);
}

.submit-btn {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    transition: var(--transition-smooth);
}

.submit-btn:hover {
    transform: translateY(-2px);
}