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

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-glow: rgba(16, 185, 129, 0.3);
    --bg: #0d0d0d;
    --bg-card: #1a1a1a;
    --text: #ffffff;
    --text-muted: #a0a0a0;
    --border: #2a2a2a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.bg-effects {
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}

.nav { display: flex; gap: 2rem; }
.nav a { color: var(--text-muted); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--primary); }

.btn-header {
    background: var(--primary);
    color: var(--bg);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
}

.menu-btn { display: none; background: none; border: none; cursor: pointer; }
.menu-btn span { display: block; width: 25px; height: 2px; background: var(--text); margin: 5px 0; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px var(--primary-glow);
}

.btn-lg { padding: 1.25rem 2.5rem; font-size: 1.1rem; }

.hero {
    padding: 10rem 0 5rem;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-btns { margin-bottom: 3rem; }

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.stat { text-align: center; }
.stat .num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}
.stat .label { color: var(--text-muted); font-size: 0.9rem; }

.features, .how-section, .faq-section { padding: 5rem 0; }

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.feature-card .icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-card h3 { margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

.how-section { text-align: center; }

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
}

.step h3 { margin-bottom: 0.5rem; }
.step p { color: var(--text-muted); }

.platforms {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.platform {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
}

.promo-section { padding: 3rem 0; }

.promo-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
}

.promo-box h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.promo-box p { color: var(--text-muted); }

.faq-list { max-width: 700px; margin: 0 auto; }

.faq-item {
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
}

.faq-item summary {
    padding: 1.5rem 0;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { padding-bottom: 1.5rem; color: var(--text-muted); }

.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p { color: var(--text-muted); margin-bottom: 0.5rem; }

@media (max-width: 768px) {
    .nav { display: none; }
    .menu-btn { display: block; }
    .hero h1 { font-size: 2.5rem; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    .features-grid, .steps { grid-template-columns: 1fr; }
}