@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #050505; 
    --section-bg: #0a0a0a;
    --card-bg: #111111;
    --text-main: #ffffff;
    --text-muted: #888888;
    --accent-border: rgba(255, 255, 255, 0.12);
    --hover-border: rgba(255, 255, 255, 0.3);
    --node-color: rgba(255, 255, 255, 0.8);
}

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

/* Фикс скролла и прыгающего экрана на мобилках в ТГ */
html {
    overflow-x: hidden;
    width: 100vw;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Space Grotesk', sans-serif;
    overflow-x: hidden;
    width: 100%;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   НАВИГАЦИЯ
========================================== */
header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--accent-border);
    height: 70px;
}

.logo-container {
    font-weight: 700; font-size: 1.2rem; letter-spacing: 0.05em;
}

.nav-btn {
    background-color: transparent;
    color: var(--text-muted);
    font-weight: 700;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    letter-spacing: 0.05em;
    height: 70px;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
    padding: 0 10px;
    transition: 0.3s;
}

.nav-btn:hover { color: #fff; }
.home-button-active { color: #fff; border-bottom: 2px solid #fff; }

/* ==========================================
   ГЛАВНЫЙ ЭКРАН (HERO) И КАНВАС
========================================== */
.hero {
    min-height: 100vh;
    /* Учитываем браузерную/ТГ панель навигации по высоте */
    min-height: 100svh; 
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    text-align: center; 
    position: relative;
}

#planet-container {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0; 
    overflow: hidden;
}

#planet-canvas {
    width: 100%; height: 100%; display: block;
}

.hero-content { position: relative; z-index: 2; max-width: 900px; padding: 0 15px; }
.hero h1 { font-size: clamp(3rem, 10vw, 8rem); font-weight: 700; letter-spacing: -0.04em; margin-bottom: 24px; line-height: 1; }
.heroP { font-size: clamp(1rem, 2vw, 1.5rem); max-width: 800px; margin-bottom: 48px; font-weight: 300; color: var(--text-muted); }

.cta-group { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.btn {
    padding: 16px 32px;
    font-family: inherit; font-size: 1rem; font-weight: 600;
    cursor: pointer; transition: all 0.3s ease;
    text-transform: uppercase; letter-spacing: 0.05em;
    border-radius: 4px; /* Легкое скругление для мобилок */
}

.btn-primary { background-color: var(--text-main); color: var(--bg-color); border: 1px solid var(--text-main); }
.btn-primary:hover { background-color: transparent; color: var(--text-main); }

.btn-secondary { background-color: transparent; color: var(--text-main); border: 1px solid var(--accent-border); }
.btn-secondary:hover { border-color: var(--text-main); }

/* ==========================================
   СЕКЦИИ & КАРТОЧКИ
========================================== */
section {
    padding: 80px 5%;
    position: relative;
    z-index: 10;
    background-color: var(--bg-color);
    border-top: 1px solid var(--accent-border);
}

.section-title { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 600; margin-bottom: 16px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 50px; max-width: 600px; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--accent-border);
    padding: 30px; border-radius: 8px;
    transition: border-color 0.3s;
}
.feature-card:hover { border-color: var(--hover-border); }
.feature-icon { width: 48px; height: 48px; margin-bottom: 24px; color: var(--text-main); }

/* ==========================================
   ТЕРМИНАЛ И ТЕСТНЕТ
========================================== */
.terminal-box {
    background: #000; padding: 15px 20px;
    border: 1px solid var(--accent-border); border-radius: 8px; 
    font-family: 'Courier New', monospace;
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 16px; text-align: left; max-width: 100%;
}

.terminalText { 
    font-size: 14px; color: #666; margin-right: 16px; 
    font-family: 'Space Grotesk', sans-serif; min-width: 90px;
}

.code { 
    color: #fff; font-size: 1rem; flex-grow: 1; 
    white-space: nowrap; overflow-x: auto;
    /* Убираем скроллбар в вебките для красоты */
    -ms-overflow-style: none; scrollbar-width: none;
}
.code::-webkit-scrollbar { display: none; }

.copy-btn {
    background: none; border: none; color: var(--text-muted);
    cursor: pointer; transition: color 0.2s; margin-left: 16px; padding: 4px;
}
.copy-btn:hover { color: #28a745; }

.status-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border: 1px solid var(--accent-border);
    border-radius: 100px; font-size: 0.9rem; font-weight: 600;
    margin-bottom: 32px; background: rgba(255,255,255,0.02);
}
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background-color: #28a745; box-shadow: 0 0 10px rgba(40,167,69,0.8);
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ==========================================
   ФУТЕР
========================================== */
canvas#starfield { pointer-events: none; }
footer {
    padding: 40px 5%; display: flex; justify-content: space-between;
    align-items: center; background-color: var(--bg-color); flex-wrap: wrap; gap: 20px;
    border-top: 1px solid var(--accent-border);
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color 0.3s; font-weight: 600; }
.footer-links a:hover { color: var(--text-main); }
.copyright { color: #444; font-size: 0.9rem; }

@media (max-width: 768px) {
    .terminal-box { flex-direction: column; align-items: flex-start; gap: 12px; }
    .copy-btn { align-self: flex-end; margin-left: 0; }
    .terminalText { margin-bottom: -5px; }
}