@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --violet: #635BFF;
    --violet-hover: #4F46E5;
    --radius: 12px;
    --radius-sm: 8px;
    --font-sans: 'Archivo', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

/* Тёмная тема (по умолчанию) */
[data-theme="dark"] {
    --bg: #0B0D10;
    --bg-elev: #171A1F;
    --bg-input: #1E2229;
    --text: #F5F5F0;
    --text-muted: #94A3B8;
    --text-faint: #5B6472;
    --border: #2A2E35;
    --border-strong: #3A404A;
    --grid-line: #1E2229;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --ticker-bg: #0B0D10;
}

/* Светлая тема */
[data-theme="light"] {
    --bg: #E8E4D8;
    --bg-elev: #F5F5F0;
    --bg-input: #F5F5F0;
    --text: #0B0D10;
    --text-muted: #4A5058;
    --text-faint: #7A828C;
    --border: #D6D0C0;
    --border-strong: #BDB6A4;
    --grid-line: #D6D0C0;
    --success: #16A34A;
    --warning: #D97706;
    --danger: #DC2626;
    --ticker-bg: #E0DCCE;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    transition: background-color .2s ease, color .2s ease;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

.mono {
    font-family: var(--font-mono);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ BUTTONS ============ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 20px;
    background: var(--violet);
    color: #fff;
    border: none;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color .15s ease;
    text-decoration: none;
    font-family: var(--font-sans);
}

.btn-primary:hover {
    background: var(--violet-hover);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 20px;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color .15s ease, color .15s ease;
    text-decoration: none;
    font-family: var(--font-sans);
}

.btn-secondary:hover {
    border-color: var(--violet);
    color: var(--violet);
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--danger);
    color: #fff;
    border: none;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    transition: opacity .15s ease;
    font-family: var(--font-sans);
}

.btn-danger:hover {
    opacity: .9;
}

.btn-success {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--success);
    color: #fff;
    border: none;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    transition: opacity .15s ease;
    font-family: var(--font-sans);
}

.btn-success:hover {
    opacity: .9;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color .15s ease;
    position: relative;
    overflow: hidden;
}

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

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--violet);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .2s ease;
}

.card:hover::after {
    transform: scaleX(1);
}

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 100px;
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--violet);
}

/* ============ TYPOGRAPHY ============ */
.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    letter-spacing: -1.5px;
    line-height: 1.08;
    color: var(--text);
}

.section-kicker {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--violet);
    font-weight: 500;
    display: block;
    margin-bottom: 14px;
}

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

/* ============ INPUTS ============ */
input, select, textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    outline: none;
    width: 100%;
    transition: border-color .15s ease;
    font-family: var(--font-sans);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--violet);
}

input::placeholder, textarea::placeholder {
    color: var(--text-faint);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ============ TABS ============ */
.tab-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.tab-btn:hover {
    border-color: var(--violet);
    color: var(--text);
}

.tab-btn.active {
    background: var(--violet);
    border-color: var(--violet);
    color: #fff;
}

/* ============ NETWORK CHIPS ============ */
.network-chip {
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all .15s ease;
    font-family: var(--font-mono);
}

.network-chip:hover {
    border-color: var(--violet);
    color: var(--text);
}

.network-chip.active {
    background: var(--violet);
    color: #fff;
    border-color: var(--violet);
}

/* ============ RISK LEVELS ============ */
.risk-low {
    color: var(--success);
    font-weight: 700;
}

.risk-medium {
    color: var(--warning);
    font-weight: 700;
}

.risk-high {
    color: var(--danger);
    font-weight: 700;
}

.risk-critical {
    color: var(--danger);
    font-weight: 800;
}

/* ============ CODE BLOCKS ============ */
.code-block {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
    color: var(--text);
}

.code-block pre {
    margin: 0;
}

.code-block code {
    font-family: var(--font-mono);
    white-space: pre;
}

.key-display {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--success);
    word-break: break-all;
}

/* ============ SIGNAL ITEMS ============ */
.signal-item {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 8px;
    border-left: 3px solid var(--violet);
}

/* ============ STATS ============ */
.stat-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: border-color .15s ease;
}

.stat-card:hover {
    border-color: var(--violet);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -.02em;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-top: 4px;
}

/* ============ THEME TOGGLE ============ */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.theme-track {
    width: 44px;
    height: 24px;
    background: var(--border-strong);
    border-radius: 12px;
    position: relative;
    transition: background .2s ease;
}

.theme-track::after {
    content: '';
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform .2s ease;
}

[data-theme="dark"] .theme-track::after {
    transform: translateX(20px);
}

.theme-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* ============ GRIDS ============ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

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

/* ============ TOPBAR ============ */
.topbar {
    background: var(--ticker-bg);
    border-bottom: 1px solid var(--border);
    height: 30px;
    display: flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .02em;
    color: var(--text-muted);
    overflow: hidden;
    white-space: nowrap;
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-faint);
    margin-bottom: 24px;
    letter-spacing: .05em;
}

.breadcrumb .sep {
    color: var(--border-strong);
    margin: 0 8px;
}

.breadcrumb .current {
    color: var(--violet);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 20px;
        font-size: 13px;
    }
    
    .card {
        padding: 20px;
    }
    
    .tab-btn {
        padding: 8px 10px;
        font-size: 11px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    
    [style*="grid-template-columns:repeat(3,1fr)"],
    [style*="grid-template-columns:repeat(4,1fr)"],
    [style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}