/* VARIABLES & RESET */
:root {
    --bg-dark: #08080a;
    --bg-panel: #0f1012;
    --border-color: #333333;
    --border-active: #555555;
    --text-main: #c0c0c0;
    --text-dim: #666666;
    --accent: #4d79ff; /* Industrial Blue */
    --accent-glow: rgba(77, 121, 255, 0.15);
    --alert: #ffaa00;
    --font-mono: 'JetBrains Mono', monospace;
    --font-head: 'Rajdhani', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-mono);
    line-height: 1.5;
    overflow-x: hidden;
}

/* OVERLAY EFFECTS */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0) 50%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.1));
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.6;
}

.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 60%, #000 100%);
    pointer-events: none;
    z-index: 999;
}

/* LAYOUT */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: 280px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    padding: 40px 20px;
    z-index: 10;
}

.brand-logo {
    font-family: var(--font-head);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    
    /* NEW GRADIENT STYLE */
    background: linear-gradient(135deg, #fff 20%, #4d79ff 50%, #00d4ff 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(77, 121, 255, 0.3);
    letter-spacing: -1px;
}

/* Добавим стиль для расширенного текста, чтобы он легко читался */
.expanded-text p {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: #a0a0a0;
    line-height: 1.7;
    text-align: justify;
}

}

.brand-sub {
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 2px;
    margin-top: 5px;
}

.main-nav {
    margin-top: 60px;
    flex-grow: 1;
}

.nav-item {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: 0.2s;
    font-size: 0.9rem;
}

.nav-item:hover, .nav-item.active {
    color: #fff;
    padding-left: 10px;
    border-left: 3px solid var(--accent);
}

.nav-icon {
    color: var(--accent);
    margin-right: 10px;
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    font-size: 0.75rem;
}

.sys-stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--text-dim);
}

.stat-ok { color: var(--accent); }
.stat-warn { color: #ff3333; }

/* MAIN CONTENT */
.main-content {
    margin-left: 280px;
    flex-grow: 1;
    padding: 60px 80px;
}

/* HERO SECTION */
.hero-panel {
    margin-bottom: 100px;
}

.badge {
    background: var(--accent);
    color: #000;
    display: inline-block;
    padding: 4px 8px;
    font-weight: bold;
    font-size: 0.8rem;
    margin-bottom: 20px;
}

h1 {
    font-family: var(--font-head);
    font-size: 4rem;
    line-height: 0.9;
    color: #fff;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.h1-sub {
    font-size: 2rem;
    color: var(--text-dim);
    display: block;
}

/* TERMINAL GRID */
.terminal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: stretch;
}

.term-block {
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.02);
    padding: 30px;
    position: relative;
}

/* CORNER ACCENTS */
.term-block::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px;
    width: 10px; height: 10px;
    border-top: 2px solid var(--accent);
    border-left: 2px solid var(--accent);
}
.term-block::after {
    content: '';
    position: absolute;
    bottom: -1px; right: -1px;
    width: 10px; height: 10px;
    border-bottom: 2px solid var(--accent);
    border-right: 2px solid var(--accent);
}

.info-block p {
    margin-bottom: 20px;
    font-size: 1rem;
}

.text-highlight {
    color: #fff;
    background: rgba(255,255,255,0.1);
    padding: 0 5px;
}

.btn-industrial {
    display: inline-block;
    background: var(--text-main);
    color: #000;
    text-decoration: none;
    padding: 15px 30px;
    font-weight: bold;
    margin-top: 10px;
    text-transform: uppercase;
    transition: 0.3s;
}

.btn-industrial:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* CODE BLOCK */
.link-display {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.term-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.code-area {
    font-family: 'Courier New', monospace;
    color: #aaddff;
    margin-bottom: 20px;
}

.comment { color: #555; }
.variable { color: #d19a66; }
.func { color: #61afef; }
.string { color: #98c379; }

.btn-copy {
    width: 100%;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 10px;
    cursor: pointer;
    font-family: var(--font-mono);
    text-transform: uppercase;
    transition: 0.2s;
}

.btn-copy:hover {
    background: var(--accent);
    color: #000;
}

/* CONTENT MODULES */
.content-module {
    margin-bottom: 80px;
}

.module-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.module-header h2 {
    font-size: 1.5rem;
    color: #fff;
    white-space: nowrap;
}

.accent { color: var(--accent); }

.line-deco {
    width: 100%;
    height: 1px;
    background: var(--border-color);
    position: relative;
}

.line-deco::after {
    content: '';
    position: absolute;
    right: 0;
    top: -2px;
    width: 50px;
    height: 5px;
    background: var(--accent);
}

.module-body p {
    margin-bottom: 20px;
    color: var(--text-main);
}

.two-col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

/* STAT SEGMENT */
.stat-segment {
    border: 1px dashed var(--border-color);
    padding: 20px;
}

.data-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
}

/* DATA TABLE */
.data-table {
    border: 1px solid var(--border-color);
    width: 100%;
}

.dt-head, .dt-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 15px;
}

.dt-head {
    background: rgba(255,255,255,0.05);
    color: var(--text-dim);
    font-size: 0.85rem;
}

.dt-row {
    border-top: 1px solid var(--border-color);
}

.dt-row:hover {
    background: rgba(77, 121, 255, 0.05);
}

/* GRID 3 */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card-bordered {
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: 0.3s;
}

.card-bordered:hover {
    border-color: var(--accent);
}

.card-bordered h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: #fff;
}

/* WARNING BOX */
.warning-box {
    border-left: 4px solid var(--alert);
    background: rgba(255, 170, 0, 0.05);
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: center;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.faq-item {
    background: var(--bg-panel);
    padding: 25px;
    border: 1px solid var(--border-color);
}

.faq-item h4 {
    color: #fff;
    margin-bottom: 10px;
}

/* FOOTER */
.legal-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 50px;
    margin-top: 80px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-block h5 {
    color: var(--text-main);
    margin-bottom: 15px;
}

.copyright {
    text-align: center;
    border-top: 1px solid #111;
    padding-top: 20px;
    font-size: 0.7rem;
    opacity: 0.5;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .layout-wrapper { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; border-bottom: 1px solid var(--border-color); }
    .main-nav { display: none; } /* Simplified for mobile */
    .main-content { margin-left: 0; padding: 40px 20px; }
    .terminal-grid { grid-template-columns: 1fr; }
    .two-col, .grid-3, .dt-head, .dt-row { grid-template-columns: 1fr; }
    .dt-row { padding: 10px; border-bottom: 1px solid #222; }
    h1 { font-size: 2.5rem; }
}
/* --- NEW MODULE STYLES --- */

/* Nav Group Titles in Sidebar */
.nav-group-title {
    font-size: 0.65rem;
    color: #444;
    padding-left: 20px; /* Aligns with text of nav items */
    margin-top: 25px;
    margin-bottom: 10px;
    font-weight: bold;
    letter-spacing: 1px;
}

/* Process Steps (Section 06) */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.step-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    padding: 20px;
    position: relative;
    transition: 0.3s;
}

.step-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.step-num {
    font-family: var(--font-head);
    font-size: 3rem;
    color: rgba(255,255,255,0.05);
    position: absolute;
    top: 10px;
    right: 20px;
    font-weight: bold;
}

.step-card h4 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.step-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Crypto Grid (Section 07) */
.crypto-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.crypto-card {
    border: 1px solid var(--border-color);
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.crypto-card.active-mode {
    border-color: var(--accent);
    background: rgba(77, 121, 255, 0.05);
}

.c-head {
    font-weight: bold;
    color: #fff;
    margin-bottom: 5px;
}

.c-stat {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.c-status {
    font-size: 0.7rem;
    font-weight: bold;
    margin-top: 5px;
    text-align: right;
}

/* Tech List (Section 08) */
.tech-list {
    list-style: none;
    margin-top: 15px;
    font-family: var(--font-mono);
    color: var(--text-main);
    font-size: 0.9rem;
}

.tech-list li {
    margin-bottom: 8px;
}

.mono-text {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--accent);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

/* Console Box (Section 09) */
.console-box {
    background: #000;
    border: 1px solid var(--border-color);
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    margin-top: 20px;
}

.cmd { color: #fff; display: block; margin-bottom: 5px; }
.res { color: #666; display: block; margin-bottom: 15px; padding-left: 10px; }
.res.info { color: var(--accent); }

/* Responsive adjustments for new elements */
@media (max-width: 768px) {
    .process-steps { grid-template-columns: 1fr; }
}
/* --- HUD & VISUAL FX --- */

/* Контейнер с "технологической" рамкой */
.hud-card {
    position: relative;
    background: linear-gradient(180deg, rgba(20, 20, 25, 0.8) 0%, rgba(10, 10, 12, 1) 100%);
    border: 1px solid #2a2a2a;
    padding: 35px;
    margin-top: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.hud-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(77, 121, 255, 0.05);
}

/* Декоративные уголки */
.hud-card::before, .hud-card::after,
.hud-corners::before, .hud-corners::after {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    transition: 0.3s;
}

/* Верхний левый и правый углы */
.hud-card::before { top: 0; left: 0; border-top: 2px solid var(--text-dim); border-left: 2px solid var(--text-dim); }
.hud-card::after { top: 0; right: 0; border-top: 2px solid var(--text-dim); border-right: 2px solid var(--text-dim); }

/* Нижний левый и правый (через вложенный элемент или псевдо) */
.hud-corners::before { bottom: 0; left: 0; border-bottom: 2px solid var(--text-dim); border-left: 2px solid var(--text-dim); }
.hud-corners::after { bottom: 0; right: 0; border-bottom: 2px solid var(--text-dim); border-right: 2px solid var(--text-dim); }

.hud-card:hover::before, .hud-card:hover::after,
.hud-card:hover .hud-corners::before, .hud-card:hover .hud-corners::after {
    border-color: var(--accent);
    width: 25px;
    height: 25px;
}

/* Иконки */
.tech-icon-box {
    width: 60px;
    height: 60px;
    background: rgba(77, 121, 255, 0.1);
    border: 1px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Типографика внутри HUD */
.hud-text p {
    color: #b0b0b0;
    margin-bottom: 20px;
    font-size: 0.95rem;
    text-align: justify;
    line-height: 1.6;
}

.hud-title {
    color: #fff;
    font-family: var(--font-head);
    font-size: 1.4rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}