/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    --primary: #5eead4;
    --primary-dark: #3cc9a1;
    --primary-light: #8df3ce;
    --primary-glow: rgba(94, 234, 212, 0.16);
    --accent: #a78bfa;
    --accent-light: #c4b5fd;
    --dark: #090c10;
    --dark-2: #111720;
    --dark-3: #161f2d;
    --dark-4: #202a35;
    --text: #e5ecf4;
    --text-muted: #94a3b8;
    --text-dim: #6b7c91;
    --border: rgba(148, 163, 184, 0.14);
    --border-light: rgba(148, 163, 184, 0.08);
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --info: #58a6ff;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.22);
    --glow: 0 0 16px rgba(94, 234, 212, 0.16);
    --transition: all 0.24s ease;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 20px;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--dark);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
}

.section-header.light h2 {
    color: var(--text);
}

.section-header.light p {
    color: var(--text-muted);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(94, 234, 212, 0.12);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-tag.light {
    background: rgba(94, 234, 212, 0.08);
    border-color: rgba(94, 234, 212, 0.14);
    color: var(--primary);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-github {
    background: var(--dark-3);
    color: var(--text);
    border-color: var(--border);
}

.btn-github:hover {
    background: var(--dark-4);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--dark);
}

.btn-white {
    background: #fff;
    color: var(--dark);
    border-color: #fff;
}

.btn-white:hover {
    background: var(--text);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(9, 12, 16, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary);
    flex-shrink: 0;
}

.logo i {
    font-size: 1.5rem;
}

.logo span {
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 24px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-menu a:hover {
    color: var(--text);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: 96px 0 56px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(9, 12, 16, 1) 0%, rgba(16, 24, 40, 1) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: flex-start;
    width: 100%;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 22% 18%, rgba(94, 234, 212, 0.12) 0%, transparent 28%),
                radial-gradient(circle at 80% 16%, rgba(167, 139, 250, 0.08) 0%, transparent 24%);
    z-index: -2;
}

.hero-bg::before,
.hero-bg::after {
    content: none;
}

.hero-particles {
    display: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(94, 234, 212, 0.08);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 28px;
    letter-spacing: 0.3px;
}

.hero-content h1 {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 24px;
    color: var(--text);
    letter-spacing: -0.8px;
    max-width: 900px;
}

.hero-content h1 .accent {
    color: var(--primary);
}

.hero-content > p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 560px;
    line-height: 1.75;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    min-width: 170px;
}

.hero-stats {
    display: none;
}

.stat-item {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-mono);
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* Terminal */
.hero-terminal {
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    font-family: var(--font-mono);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--dark-3);
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
    margin-left: 8px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.terminal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.terminal-line {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.prompt {
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
}

.cmd {
    color: var(--text);
}

.terminal-line.output {
    padding-left: 20px;
    color: var(--text-muted);
}

.terminal-line.output.success {
    color: var(--success);
}

.cursor {
    color: var(--primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ========================================
   Modules Section
   ======================================== */
.modules {
    padding: 100px 0;
    background: var(--dark);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.module-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.module-card:hover {
    border-color: rgba(94, 234, 212, 0.22);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.module-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.module-icon {
    width: 52px;
    height: 52px;
    background: rgba(94, 234, 212, 0.12);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.module-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.module-version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
}

.module-badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.module-badge.stable {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.module-badge.beta {
    background: rgba(210, 153, 34, 0.15);
    color: var(--warning);
    border: 1px solid rgba(210, 153, 34, 0.3);
}

.module-badge.new {
    background: rgba(88, 166, 255, 0.15);
    color: var(--info);
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.module-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.module-card > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.module-files {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.file-item i {
    width: 16px;
    color: var(--primary);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.module-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.module-stats {
    display: flex;
    gap: 16px;
}

.module-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.82rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.module-stats i {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.modules-cta {
    text-align: center;
    margin-top: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.modules-cta p {
    font-size: 1rem;
    color: var(--text-muted);
}

/* ========================================
   How it works Section
   ======================================== */
.how {
    padding: 100px 0;
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: calc(12.5% + 24px);
    right: calc(12.5% + 24px);
    height: 1px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    opacity: 0.3;
    z-index: 0;
}

.step-card {
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.step-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.step-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 16px;
    opacity: 0.7;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(94, 234, 212, 0.12);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.step-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.step-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 100px 0;
    background: var(--dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 20px;
}

.about-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text);
    letter-spacing: -0.5px;
}

.about-content .lead {
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.about-feature:hover {
    border-color: var(--primary);
}

.about-feature i {
    font-size: 1.1rem;
    color: var(--primary);
    flex-shrink: 0;
}

.about-feature span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

/* Code block */
.about-code {
    position: relative;
}

.code-block {
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--dark-3);
    border-bottom: 1px solid var(--border);
}

.code-lang {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 600;
}

.code-content {
    padding: 28px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-muted);
    white-space: pre-wrap;
    overflow-x: auto;
}

.code-comment {
    color: var(--text-dim);
    font-style: italic;
}

.code-keyword {
    color: var(--primary);
    font-weight: 600;
}

/* ========================================
   Community Section
   ======================================== */
.community {
    padding: 100px 0;
    background: var(--dark-2);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 56px;
}

.community-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.community-card:hover {
    transform: translateY(-2px);
    border-color: rgba(94, 234, 212, 0.22);
}

.community-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.community-icon.github {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.community-icon.telegram {
    background: rgba(0, 136, 204, 0.15);
    color: #29b6f6;
}

.community-icon.forum {
    background: rgba(94, 234, 212, 0.12);
    color: var(--primary);
}

.community-icon.youtube {
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
}

.community-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.community-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.community-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
}

.community-link i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.community-card:hover .community-link i {
    transform: translateX(4px);
}

/* Contributors */
.contributors {
    text-align: center;
    padding: 48px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.contributors h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
}

.contributors-list {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.contributor {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--dark-3);
}

.contributor:hover {
    transform: scale(1.15);
    border-color: var(--primary);
    z-index: 1;
}

.contributor-more {
    background: var(--dark-4);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.contributors-cta {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contributors-cta a {
    color: var(--primary);
    font-weight: 600;
}

.contributors-cta a:hover {
    text-decoration: underline;
}

/* ========================================
   Docs Section
   ======================================== */
.docs {
    padding: 100px 0;
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.doc-card {
    padding: 28px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.doc-card:hover {
    border-color: rgba(94, 234, 212, 0.22);
    transform: translateY(-2px);
}

.doc-icon {
    font-size: 1.8rem;
    color: var(--primary);
}

.doc-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.doc-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.doc-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: 8px;
}

.doc-link i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.doc-card:hover .doc-link i {
    transform: translateX(4px);
}

/* ========================================
   Contacts Section
   ======================================== */
.contacts {
    padding: 100px 0;
    background: var(--dark);
}

.contacts-grid {
    display: flex;
    gap: 24px;
}

@media (max-width: 768px) {
    .contacts-grid {
        flex-direction: row;
    }
}

.contact-card {
    flex: 1;
    min-width: 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 28px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.contact-card:hover {
    border-color: rgba(94, 234, 212, 0.22);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: rgba(94, 234, 212, 0.12);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary);
    transition: var(--transition);
}

.contact-card:hover .contact-icon {
    background: rgba(94, 234, 212, 0.18);
    border-color: rgba(94, 234, 212, 0.3);
    transform: scale(1.05);
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
}

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

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    padding: 8px 20px;
    background: rgba(94, 234, 212, 0.08);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    margin-top: 4px;
    word-break: break-all;
}

.contact-link:hover {
    background: rgba(94, 234, 212, 0.14);
    border-color: rgba(94, 234, 212, 0.3);
    transform: translateY(-1px);
}


/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(9, 12, 16, 1) 0%, rgba(10, 16, 28, 1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 560px;
    height: 360px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.06) 0%, transparent 55%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-icon {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 24px;
    opacity: 0.82;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-content > p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.cta-code {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    max-width: 100%;
}

.cta-code code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
    flex-shrink: 0;
}

.copy-btn:hover {
    color: var(--primary);
    background: rgba(94, 234, 212, 0.12);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding: 64px 0;
    text-align: center;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}

.footer-about {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-about .logo {
    margin-bottom: 20px;
    display: inline-flex;
}

.footer-about p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

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

.footer-bottom a {
    color: var(--primary);
}

.footer-github-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-github-badge i {
    color: var(--text);
}

/* ========================================
   Toast Notification
   ======================================== */
.toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: var(--dark-3);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow);
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

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

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.back-to-top:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Particles
   ======================================== */
.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* ========================================
   Scroll Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-terminal {
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid::before {
        display: none;
    }

    .community-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--dark-2);
        border-bottom: 1px solid var(--border);
        padding: 20px 24px;
        gap: 16px;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-actions {
        display: none;
    }

    .nav-actions.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: calc(72px + 180px);
        left: 0;
        right: 0;
        background: var(--dark-2);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 12px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 90px 0 60px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

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

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

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }

    .cta-code {
        flex-direction: column;
        text-align: center;
    }

    .cta-code code {
        white-space: normal;
        word-break: break-all;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-content h1 {
        font-size: 1.7rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-item {
        min-width: calc(50% - 10px);
    }

    .contributors-list {
        gap: 8px;
    }

    .contributor {
        width: 40px;
        height: 40px;
        font-size: 0.72rem;
    }
}

/* ========================================
   Hero — кнопка "О проекте" внизу экрана
   ======================================== */
.hero-scroll-cta {
    position: absolute;
    bottom: 36px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 2;
}

.hero-about-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 38px;
    background: rgba(94, 234, 212, 0.08);
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    letter-spacing: 0.3px;
}

.hero-about-btn .fa-heart {
    font-size: 1.1rem;
}

.hero-about-btn .hero-about-arrow {
    font-size: 1rem;
}

.hero-about-btn:hover {
    background: rgba(94, 234, 212, 0.12);
    border-color: rgba(94, 234, 212, 0.22);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(94, 234, 212, 0.12);
    color: var(--primary-light);
}

.hero-about-arrow {
    animation: bounce-down 1.6s ease-in-out infinite;
}

@keyframes bounce-down {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(4px); }
}

@media (max-width: 768px) {
    .hero-scroll-cta {
        bottom: 20px;
    }

    .hero-about-btn {
        padding: 10px 20px;
        font-size: 0.82rem;
    }
}