:root {
    --bg-color: #000000;
    --text-main: #e7e9ea;
    --text-sub: #71767b;
    --accent: #1d9bf0; /* Twitter Blue */
    --accent-glow: rgba(29, 155, 240, 0.35);
    --card-bg: #16181c;
    --border: #2f3336;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

/* Контейнер */
.container {
    width: 100%;
    max-width: 1000px;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 10;
}

/* Background Glow Effects */
.glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: var(--accent);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.glow-1 { top: -200px; left: -100px; }
.glow-2 { bottom: -200px; right: -100px; background: #7c3aed; /* Purple accent */ }

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 80px;
}
.logo-area { display: flex; align-items: center; gap: 15px; }
.logo { 
    width: 40px; 
    height: 40px; 
    filter: drop-shadow(0 0 10px rgba(29, 155, 240, 0.6)); 
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 15px rgba(29, 155, 240, 0.9)); 
}
.brand-name { font-weight: 800; font-size: 18px; tracking: -0.5px; }

.status-badge {
    background: rgba(29, 155, 240, 0.1);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    border: 1px solid rgba(29, 155, 240, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(29, 155, 240, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(29, 155, 240, 0); }
    100% { box-shadow: 0 0 0 0 rgba(29, 155, 240, 0); }
}

/* Main Hero */
main { text-align: center; flex: 1; }

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
}
.text-gradient {
    background: linear-gradient(90deg, #1d9bf0, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 20px;
    color: var(--text-sub);
    max-width: 600px;
    margin: 0 auto 50px auto;
    line-height: 1.5;
}

/* Buttons */
.cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.btn:hover { transform: translateY(-3px); }

.btn-primary {
    background: var(--text-main);
    color: black;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    opacity: 0.7;
    cursor: not-allowed;
}
.btn-text { font-size: 16px; }
.btn-sub { font-size: 10px; font-weight: 500; opacity: 0.6; margin-top: 2px; }

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.2); }

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
    text-align: left;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}
.feature-card:hover { border-color: var(--accent); }

.icon { font-size: 32px; margin-bottom: 20px; }
h3 { margin: 0 0 10px 0; font-size: 18px; }
p { color: var(--text-sub); font-size: 14px; line-height: 1.6; margin: 0; }

/* Footer */
footer {
    margin-top: 80px;
    text-align: center;
    color: var(--text-sub);
    font-size: 13px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

/* Mobile */
@media (max-width: 768px) {
    .hero-title { font-size: 42px; }
    .container { padding: 20px; }
    .logo-area span { display: none; }
}