:root {
    /* Dark theme (default) */
    --bg-deep: #0a0a0f;
    --bg-panel: rgba(20, 20, 30, 0.4);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-dim: rgba(255, 255, 255, 0.15);
    --border-hl: rgba(139, 92, 246, 0.5);

    --accent: #8B5CF6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    --accent-dark: #6D28D9;
    --success: #10B981;
    --warning: #F59E0B;

    --text-main: #F1F5F9;
    --text-muted: #94A3B8;

    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;
    --font-ui: 'Inter', sans-serif;

    --section-pad: 40px;
}

/* Light theme */
[data-theme="light"] {
    --bg-deep: #f8fafc;
    --bg-panel: rgba(255, 255, 255, 0.6);
    --bg-glass: rgba(0, 0, 0, 0.02);
    --border-dim: rgba(0, 0, 0, 0.1);
    --border-hl: rgba(139, 92, 246, 0.4);

    --accent: #7C3AED;
    --accent-glow: rgba(124, 58, 237, 0.3);
    --accent-dark: #5B21B6;
    --success: #059669;
    --warning: #D97706;

    --text-main: #0f172a;
    --text-muted: #475569;
}


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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: var(--font-ui);
    overflow-x: hidden;
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}


/* --- BACKGROUNDS --- */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

.grid-overlay {
    background-image:
        linear-gradient(var(--border-dim) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-dim) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.15;
    background-position: center top;
    animation: gridFade 2s ease-out 0.5s forwards;
}

@keyframes gridFade {
    from {
        opacity: 0;
    }

    to {
        opacity: 0.15;
    }
}

/* --- NAVIGATION --- */
.sys-nav {
    position: fixed;
    top: 30px;
    left: 50%;
    width: 90%;
    max-width: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 30px;
    background: var(--bg-panel);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    border-radius: 50px;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateX(-50%);
    animation: navReveal 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
    position: relative;
}


@keyframes navReveal {
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.6));
    transition: all 0.3s ease;
}

.nav-logo:hover {
    filter: drop-shadow(0 0 15px rgba(139, 92, 246, 0.9));
    transform: scale(1.05);
}

.nav-back {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: absolute;
    left: 30px;
}

.nav-back:hover {
    color: var(--accent);
    background: rgba(139, 92, 246, 0.1);
}

/* Login Button in Nav */
.nav-login-btn {
    position: absolute;
    right: 5.5rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    color: var(--text-main);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: all 0.3s ease;
    z-index: 100;
}

.nav-login-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-50%) scale(1.05);
}

.nav-login-btn i {
    font-size: 0.9rem;
}

/* Navigation Links Left */
.nav-links-left {
    position: absolute;
    left: 12rem;
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    background: transparent;
    border: none;
    color: var(--text-main);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.nav-link i {
    font-size: 0.9rem;
    color: var(--accent);
    transition: color 0.3s ease;
}

/* Animated underline */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link:hover i {
    color: var(--accent);
}

.nav-link:hover::after {
    width: 100%;
}

/* Clickable Logo Link */
.nav-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
}

/* Theme toggle positioned on right */
.theme-toggle {
    position: absolute;
    right: 30px;
}


.blok-knopok {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.glavnaya-knopka {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    color: #fff;
    text-decoration: none;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 8px;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.9s forwards;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px var(--accent-glow);
}

.glavnaya-knopka.primary {
    background: var(--accent);
}

.glavnaya-knopka.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--accent-glow);
}

.glavnaya-knopka.secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.glavnaya-knopka.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--accent-glow);
}

/* --- SCROLL CONTAINER --- */
.scroll-container {
    position: relative;
}

/* --- SECTION STRUCTURE --- */
.section {
    min-height: auto;
    padding: var(--section-pad) 5vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.section-marker {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* --- HERO SECTION --- */
.hero-section {
    min-height: min(80vh, 700px);
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 55vw;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.12;
}

.download-bg i {
    background: linear-gradient(135deg,
            rgba(139, 92, 246, 0.3) 0%,
            rgba(139, 92, 246, 0.05) 50%,
            rgba(139, 92, 246, 0.3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(2px);
    animation: float-download 8s infinite ease-in-out, pulse-glow 4s infinite ease-in-out;
}

@keyframes float-download {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        opacity: 0.12;
    }

    50% {
        opacity: 0.18;
    }
}

.terminal-blok {
    width: 100%;
    max-width: 900px;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;

    /* Option 2: 3D Tilt Styles (Active) */
    padding: 60px;
    background: rgba(20, 20, 30, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out, background 0.3s ease;
    will-change: transform;
}

/* Cleanup - hide unused elements from other options */
.parallax-scene {
    display: none;
}

.hero-section::before {
    display: none;
}

@keyframes auroraGradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.sloy-zvezd {
    position: absolute;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    z-index: 0;
    pointer-events: none;
}

/* Stars generators */
.sloy-element {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.melkie {
    background-image:
        radial-gradient(1px 1px at 25px 5px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 50px 25px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 125px 20px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1.5px 1.5px at 200px 150px, rgba(255, 255, 255, 0.4), transparent);
    background-size: 250px 250px;
}

.srednie {
    background-image:
        radial-gradient(1.5px 1.5px at 100px 100px, rgba(139, 92, 246, 0.6), transparent),
        radial-gradient(1.5px 1.5px at 200px 50px, rgba(139, 92, 246, 0.6), transparent),
        radial-gradient(2px 2px at 300px 200px, rgba(139, 92, 246, 0.6), transparent);
    background-size: 350px 350px;
}

.krupnye {
    background-image:
        radial-gradient(2px 2px at 150px 250px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 400px 100px, rgba(255, 255, 255, 0.8), transparent);
    background-size: 500px 500px;
}

.zagolovok-statusa,
.glavny-tekst,
.opisanie-tekst,
.versiya-info,
.blok-knopok {
    position: relative;
    z-index: 2;
    /* Bring content above stars */
}

.zagolovok-statusa {
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 10px;
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
}

.glavny-tekst {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 15px;
    color: var(--text-main);
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(32px);
    animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
}

.sub-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 15px;
    font-family: var(--font-mono);
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
}

.opisanie-tekst {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.7s forwards;
}

.versiya-info {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    background: var(--bg-glass);
    border: 1px solid var(--border-dim);
    border-radius: 30px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-main);
    opacity: 0;
    transform: translateY(24px);
    transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.8s forwards;
}

.data-obnovy {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 15px;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.9s forwards;
}

.version-badge i {
    color: var(--accent);
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glitchIdle {

    0%,
    92%,
    100% {
        transform: translateY(0);
    }

    93% {
        transform: translate(-2px, 2px);
    }

    95% {
        transform: translate(2px, -2px);
    }

    97% {
        transform: translate(-2px, -2px);
    }

    99% {
        transform: translate(2px, 2px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    /* transform: translateX(-50%); Removed to prevent layout shift */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 1s forwards,
        scrollBounce 2.5s ease-in-out 2s infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(8px);
    }
}

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

.info-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, var(--border-hl), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.info-card:hover {
    border-color: var(--border-hl);
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(139, 92, 246, 0.2);
}

.info-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.card-value {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.card-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.requirements-card {
    grid-column: span 3;
    text-align: left;
}

.requirements-card .card-label {
    margin-bottom: 20px;
    display: block;
}

.requirements-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.req-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.req-item i {
    color: var(--success);
    font-size: 1.1rem;
}

/* --- DOWNLOAD SECTION --- */
.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    align-items: start;
}

.download-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.download-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, var(--border-hl), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.download-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 64px rgba(139, 92, 246, 0.3);
}

.download-card:hover::before {
    opacity: 1;
}

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

.primary-card:hover {
    box-shadow: 0 16px 64px rgba(139, 92, 246, 0.4);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: var(--accent);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.card-icon-big {
    font-size: 5rem;
    color: var(--accent);
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.download-card:hover .card-icon-big {
    transform: scale(1.1);
}

.card-title {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
}

.card-description {
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.6;
}

.file-info {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.file-format {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--accent);
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 8px;
}

.file-size {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--text-muted);
    padding: 8px 16px;
    background: var(--bg-glass);
    border-radius: 8px;
}

.btn-download {
    width: 100%;
    padding: 20px 40px;
    font-size: 1.2rem;
    font-family: var(--font-mono);
    font-weight: 700;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 40px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 0 60px var(--accent-glow);
    transform: scale(1.05);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-main);
    border: 1px solid var(--border-dim);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.2);
    transform: scale(1.05);
}

.btn-download .icon {
    font-size: 1.4rem;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.card-footer i {
    color: var(--accent);
}

/* --- ADDONS SECTION --- */
.addon-card .card-icon-big {
    font-size: 4rem;
    margin-bottom: 20px;
}

.addon-card .btn-download {
    margin-bottom: 0;
    font-size: 1rem;
    padding: 15px 20px;
}

.addon-buttons {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-bottom: 10px;
}

.addon-buttons .btn-download {
    flex: 1;
}

.download-card .addon-buttons .btn-download {
    padding: 15px 20px;
    font-size: 1rem;
}

.guide-btn {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--border-hl);
}

.guide-btn:hover {
    background: var(--accent);
    color: #fff;
}

.addon-guide {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    text-align: left;
}

.addon-guide:not(.collapsed) {
    max-height: 1500px;
    padding: 15px;
    margin-top: 15px;
}

.guide-step {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.guide-step:last-child {
    margin-bottom: 0;
}

.guide-step code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
}

.guide-step code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
}

.guide-image {
    display: block;
    max-width: 100%;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-dim);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* --- GUIDE SECTION --- */
.guide-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.guide-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.guide-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: var(--bg-glass);
    cursor: pointer;
    transition: background 0.3s ease;
}

.guide-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.guide-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-main);
}

.guide-title i {
    color: var(--accent);
}

.guide-toggle {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.guide-toggle.active {
    transform: rotate(180deg);
}

.guide-content {
    padding: 30px;
    max-height: 1000px;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.guide-content.collapsed {
    max-height: 0;
    padding: 0 30px;
    overflow: hidden;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.step:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent);
    transform: translateX(5px);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.1);
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    min-width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(139, 92, 246, 0.3);
    flex-shrink: 0;
}

.step-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.step-text strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 1.05rem;
}

.step-text .muted {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.step-text code {
    font-family: var(--font-mono);
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.step-text a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.step-text a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

/* --- MODS SECTION --- */
.mods-container {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.mods-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-dim);
}

.mods-title {
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--text-main);
}

.mods-count {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 1.1rem;
}

.mods-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.mod-category {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-dim);
}

.mods-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mod-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.mod-item i {
    color: var(--accent);
    font-size: 0.8rem;
}

.mod-item.more-mods {
    color: var(--text-muted);
    font-style: italic;
}

/* --- FULL MODS LIST EXPANSION --- */
.full-mods-list {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    margin-top: 0;
}

.full-mods-list.content-visible {
    max-height: 2000px;
    /* Large enough to fit the list */
    opacity: 1;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-dim);
}

/* --- MODS SEARCH --- */
.mods-search-container {
    position: relative;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.mods-search-container i {
    position: absolute;
    left: 20px;
    color: var(--accent);
    font-size: 1rem;
    pointer-events: none;
}

.mods-search-input {
    flex: 1;
    padding: 15px 20px 15px 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.mods-search-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.mods-search-input::placeholder {
    color: var(--text-muted);
}

.mods-count-result {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.9rem;
    min-width: 100px;
    text-align: right;
}

.all-mods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.all-mods-grid .mod-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dim);
    border-radius: 10px;
    padding: 15px;
    transition: all 0.3s ease;
    cursor: default;
}

.all-mods-grid .mod-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.15);
}

.all-mods-grid .mod-item.hidden {
    display: none;
}

@media (max-width: 900px) {
    .all-mods-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .all-mods-grid {
        grid-template-columns: 1fr;
    }
}


.btn-expand {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dim);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-expand:hover {
    background: var(--bg-glass);
    border-color: var(--accent);
    color: var(--accent);
}

/* --- THEME TOGGLE --- */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--bg-glass);
    border: 1px solid var(--border-dim);
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-glass);
    border-color: var(--accent);
    color: var(--accent);
}

.theme-toggle i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(20deg);
}

/* --- SCROLL TO TOP --- */
.btn-scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    border-radius: 50%;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.btn-scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-scroll-top:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-5px);
}

.btn-scroll-top i {
    transition: transform 0.3s ease;
}

.btn-scroll-top:hover i {
    transform: translateY(-2px);
}



/* --- FAQ SECTION --- */
.faq-container {
    width: 100%;
}

.faq-title {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-main);
}

.faq-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.faq-question {
    width: 100%;
    padding: 20px 30px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.1rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
}

.faq-question i.fa-circle-question {
    color: var(--accent);
    font-size: 1.3rem;
}

.faq-question span {
    flex: 1;
}

.toggle-icon {
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-question.active .toggle-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0;
    color: var(--text-muted);
    max-height: 0;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
    overflow: hidden;
}

.faq-answer.collapsed {
    max-height: 0;
    padding: 0;
}

.faq-answer:not(.collapsed) {
    max-height: 600px;
    padding: 15px 30px 20px 30px;
}

.faq-answer p {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.8;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer p strong {
    color: var(--accent);
    font-weight: 600;
}

.faq-answer code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
    font-family: var(--font-mono);
}

.faq-answer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.faq-answer a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

/* --- FOOTER --- */
.footer-section {
    min-height: auto;
    padding: 40px 5vw;
}

.sys-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    padding: 40px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-dim);
    border-radius: 16px;
}

.footer-music {
    display: flex;
    align-items: center;
    gap: 15px;
}

.eq-visualizer {
    display: flex;
    gap: 3px;
    align-items: flex-end;
    height: 20px;
}

.eq-visualizer span {
    width: 3px;
    background: var(--accent);
    animation: eq-bounce 1s ease-in-out infinite;
}

.eq-visualizer span:nth-child(1) {
    animation-delay: 0s;
}

.eq-visualizer span:nth-child(2) {
    animation-delay: 0.1s;
}

.eq-visualizer span:nth-child(3) {
    animation-delay: 0.2s;
}

.eq-visualizer span:nth-child(4) {
    animation-delay: 0.3s;
}

.eq-visualizer span:nth-child(5) {
    animation-delay: 0.4s;
}

@keyframes eq-bounce {

    0%,
    100% {
        height: 5px;
    }

    50% {
        height: 20px;
    }
}

.track-name {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-credit {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    color: var(--text-main);
    font-size: 0.9rem;
    padding: 10px 20px;
    background: rgba(139, 92, 246, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.15);
    animation: credit-pulse 4s infinite ease-in-out;
    transition: all 0.3s ease;
}

.footer-credit:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--accent);
    box-shadow: 0 0 25px rgba(139, 92, 246, 0.4);
    transform: scale(1.02);
}

.footer-heart {
    height: 1.3rem;
    width: auto;
    vertical-align: middle;
    filter: drop-shadow(0 0 5px rgba(255, 77, 77, 0.6));
    animation: heartbeat 1.5s infinite ease-in-out;
}

@keyframes credit-pulse {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(139, 92, 246, 0.15);
    }

    50% {
        box-shadow: 0 0 30px rgba(139, 92, 246, 0.35);
    }
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    15% {
        transform: scale(1.25);
    }

    30% {
        transform: scale(1);
    }

    45% {
        transform: scale(1.15);
    }

    60% {
        transform: scale(1);
    }
}


.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent);
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(48px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

.reveal-delay-5 {
    transition-delay: 0.5s;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .requirements-card {
        grid-column: span 2;
    }

    .download-grid {
        grid-template-columns: 1fr;
    }

    .mods-categories {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sys-nav {
        width: 95%;
        padding: 12px 20px;
    }

    .nav-logo {
        height: 30px;
    }

    .nav-back span {
        display: none;
    }

    .glavny-tekst {
        font-size: 2.5rem;
    }

    .sub-title {
        font-size: 1.5rem;
    }

    .opisanie-tekst {
        font-size: 1rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .requirements-card {
        grid-column: span 1;
    }

    .requirements-list {
        grid-template-columns: 1fr;
    }

    .card-icon-big {
        font-size: 3.5rem;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .faq-title {
        font-size: 1.8rem;
    }

    .section {
        padding: 60px 5vw;
    }
}


/* ==========================================
   🌿 SECRET: Weed 420 Theme Variables 🌿
   ========================================== */
[data-theme="weed"] {
    --bg-deep: #0a1a0a;
    --bg-panel: rgba(26, 45, 26, 0.6);
    --bg-glass: rgba(0, 255, 65, 0.05);
    --border-dim: rgba(0, 255, 65, 0.2);
    --border-hl: rgba(0, 255, 65, 0.6);

    --accent: #00ff41;
    --accent-dark: #00b82e;
    --accent-glow: rgba(0, 255, 65, 0.4);

    --text-main: #e0ffe0;
    --text-muted: #6fbf6f;

    /* Специальные переменные для weed темы */
    --weed-smoke: rgba(0, 255, 65, 0.1);
    --weed-glow-intense: rgba(0, 255, 65, 0.6);
    --weed-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

/* ==========================================
   EASTER EGG: PANDA MODAL
   ========================================== */

.easter-egg-modal {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    pointer-events: none;
}

.easter-egg-overlay {
    display: none;
}

.easter-egg-content {
    position: relative;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 16px;
    padding: 2rem;
    max-width: 450px;
    width: 90vw;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideInRight 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    pointer-events: all;
}

.easter-egg-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.easter-egg-close:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

.panda-image {
    width: 120px;
    height: 120px;
    object-fit: contain;
    animation: pandaBounce 1s ease-in-out;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.panda-text-container {
    width: 100%;
    min-height: 100px;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.panda-text {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-main);
    line-height: 1.8;
    margin: 0;
    flex: 1;
}

.panda-cursor {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    animation: cursorBlink 0.8s infinite;
    opacity: 0;
}

.panda-cursor.active {
    opacity: 1;
}

/* Animations */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pandaBounce {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    25% {
        transform: translateY(-20px) scale(1.05);
    }

    50% {
        transform: translateY(0) scale(1);
    }

    75% {
        transform: translateY(-10px) scale(1.02);
    }
}

@keyframes cursorBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.panda-text-static {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.6;
    margin: 0;
    opacity: 0;
    animation: fadeInText 1s ease-out forwards;
}

@keyframes fadeInText {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   🌿 WEED 420 THEME ANIMATIONS 🌿
   ========================================== */

/* Падающие листья */
.weed-leaves {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
    overflow: hidden;
}

.weed-leaf {
    position: absolute;
    width: 40px;
    height: 40px;
    opacity: 0.6;
    animation: leafFall linear infinite;
}

@keyframes leafFall {
    0% {
        transform: translateY(-10%) rotate(0deg);
    }

    25% {
        transform: translateY(25vh) rotate(90deg) translateX(20px);
    }

    50% {
        transform: translateY(50vh) rotate(180deg) translateX(-20px);
    }

    75% {
        transform: translateY(75vh) rotate(270deg) translateX(20px);
    }

    100% {
        transform: translateY(110vh) rotate(360deg);
    }
}

/* Дымовой эффект */
[data-theme="weed"]::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 120%,
            var(--weed-smoke) 0%,
            transparent 70%);
    pointer-events: none;
    z-index: 1;
    animation: smokeRise 10s ease-in-out infinite;
}

@keyframes smokeRise {

    0%,
    100% {
        opacity: 0.3;
        transform: translateY(0);
    }

    50% {
        opacity: 0.6;
        transform: translateY(-30px);
    }
}

/* Неоновое свечение на элементах */
[data-theme="weed"] a:hover,
[data-theme="weed"] button:hover,
[data-theme="weed"] .nav-link:hover {
    box-shadow: var(--weed-shadow);
    text-shadow: 0 0 10px var(--accent);
}

[data-theme="weed"] .accent {
    animation: weedPulse 2s ease-in-out infinite;
}

@keyframes weedPulse {

    0%,
    100% {
        filter: drop-shadow(0 0 5px var(--accent));
    }

    50% {
        filter: drop-shadow(0 0 15px var(--accent));
    }
}

/* Специальные эффекты для кнопок */
[data-theme="weed"] .btn-primary,
[data-theme="weed"] .copy-btn {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    box-shadow: 0 0 20px var(--accent-glow);
    transition: all 0.3s ease;
}

[data-theme="weed"] .btn-primary:hover,
[data-theme="weed"] .copy-btn:hover {
    box-shadow: 0 0 30px var(--weed-glow-intense);
    transform: scale(1.05);
}

@media (max-width: 480px) {
    .glavny-tekst {
        font-size: 2rem;
    }

    .versiya-info {
        font-size: 0.75rem;
        padding: 8px 16px;
    }

    .download-card {
        padding: 30px 20px;
    }

    .btn-download {
        padding: 15px 30px;
        font-size: 1rem;
    }

    .guide-content {
        padding: 20px;
    }

    .step {
        flex-direction: column;
        gap: 10px;
    }

    .step-number {
        min-width: auto;
    }

    .mods-container {
        padding: 25px;
    }

    .faq-answer:not(.collapsed) {
        padding: 15px 20px;
    }

    .terminal-blok {
        padding: 30px 20px;
    }
}