/* ===================================
   SHERLOK-BOT.ONLINE — Premium Dark Investigator
   Design System v1.0
   =================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --bg-primary: #0A0E1A;
    --bg-secondary: #0F1529;
    --bg-card: rgba(15, 21, 41, 0.7);
    --bg-card-hover: rgba(20, 28, 55, 0.85);
    --bg-glass: rgba(15, 21, 41, 0.5);

    --accent-blue: #3B82F6;
    --accent-cyan: #06B6D4;
    --accent-purple: #8B5CF6;
    --accent-green: #10B981;
    --accent-gold: #F59E0B;
    --accent-red: #EF4444;
    --accent-gradient: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);
    --accent-gradient-purple: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --text-accent: #3B82F6;

    --border-color: rgba(59, 130, 246, 0.15);
    --border-light: rgba(255, 255, 255, 0.05);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-blue: 0 0 30px rgba(59, 130, 246, 0.15);
    --shadow-cyan: 0 0 30px rgba(6, 182, 212, 0.15);
    --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.1);

    /* Spacing */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Orbitron', monospace;

    /* Layout */
    --max-width: 1200px;
    --header-height: 72px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    position: relative;
}

/* Animated background grid */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

/* Radial glow from top */
body::after {
    content: '';
    position: fixed;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

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

a:hover {
    color: var(--accent-cyan);
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
}

h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.75rem);
}

.display-font {
    font-family: var(--font-display);
    letter-spacing: 1px;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

section {
    padding: 80px 0;
    position: relative;
}

/* ===== Header / Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: all 0.3s ease;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-light);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

/* Mobile menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
    color: #fff;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
    color: var(--accent-cyan);
}

.btn-lg {
    padding: 18px 42px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-telegram {
    background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(42, 171, 238, 0.35);
}

.btn-telegram:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(42, 171, 238, 0.5);
    color: #fff;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-blue);
}

.card-glass {
    background: var(--bg-glass);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-blue);
    opacity: 0.07;
    top: -100px;
    left: -100px;
    animation: floatOrb 10s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    opacity: 0.05;
    bottom: -80px;
    right: -80px;
    animation: floatOrb 12s ease-in-out infinite reverse;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-purple);
    opacity: 0.05;
    top: 40%;
    left: 60%;
    animation: floatOrb 14s ease-in-out infinite 2s;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-blue);
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-badge .pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

/* Stats counters */
.stats-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 12px;
}

/* ===== Services Grid ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 32px;
    text-align: left;
    cursor: pointer;
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.service-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-blue);
    transition: gap 0.3s ease;
}

.service-card:hover .card-link {
    gap: 12px;
}

/* ===== How It Works ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0.2;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    position: relative;
    z-index: 1;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Benefits ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    padding: 28px;
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.benefit-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
}

/* ===== FAQ Accordion ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-blue);
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-blue);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* ===== CTA Section ===== */
.cta-section {
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(59, 130, 246, 0.05) 50%, transparent 100%);
    pointer-events: none;
}

.cta-inner {
    position: relative;
    z-index: 1;
}

.cta-inner h2 {
    margin-bottom: 16px;
}

.cta-inner p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

/* ===== Reviews ===== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    padding: 28px;
    position: relative;
}

.review-card:hover {
    border-color: rgba(245, 158, 11, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.review-meta h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.review-meta span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.review-stars {
    color: var(--accent-gold);
    margin-bottom: 12px;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.review-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    font-style: italic;
}

.verified-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.75rem;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

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

/* ===== Tag Cloud ===== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.tag-cloud span {
    background: rgba(59, 130, 246, 0.08);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    border: 1px solid rgba(59, 130, 246, 0.12);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.tag-cloud span:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--accent-blue);
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.breadcrumbs a:hover {
    color: var(--accent-blue);
}

.breadcrumbs span {
    margin: 0 8px;
}

/* ===== Spoke Page Layout ===== */
.page-hero {
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero h1 {
    margin-bottom: 16px;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    align-items: start;
}

.sidebar-sticky {
    position: sticky;
    top: calc(var(--header-height) + 24px);
}

.sidebar-card {
    padding: 28px;
}

.sidebar-card .price {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

/* ===== Feature list ===== */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    color: var(--accent-green);
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== SHERLOCK PREMIUM ANIMATIONS ===== */

/* Particle canvas background */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Matrix rain overlay */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.03;
}

/* Hero typing cursor */
.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: var(--accent-cyan);
    margin-left: 4px;
    animation: blink 0.8s step-end infinite;
    vertical-align: text-bottom;
    box-shadow: 0 0 10px var(--accent-cyan), 0 0 20px rgba(6, 182, 212, 0.3);
}

/* Scanning line across hero */
.scan-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-blue), var(--accent-cyan), transparent);
    box-shadow: 0 0 15px var(--accent-cyan), 0 0 30px rgba(6, 182, 212, 0.3);
    animation: scanDown 4s ease-in-out infinite;
    z-index: 2;
    pointer-events: none;
    opacity: 0.6;
}

/* Magnifying glass scanner effect on hero */
.scanner-circle {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: 50%;
    animation: scannerMove 8s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

.scanner-circle::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50%;
}

.scanner-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--accent-cyan), 0 0 30px var(--accent-cyan);
    animation: pulse 2s ease-in-out infinite;
}

/* Card holographic scan line on hover */
.card::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.03) 40%, rgba(59, 130, 246, 0.06) 50%, rgba(6, 182, 212, 0.03) 60%, transparent 100%);
    transition: top 0.6s ease;
    pointer-events: none;
}

.card:hover::after {
    top: 100%;
}

/* Service card icon glow on hover */
.service-card:hover .card-icon {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
    transition: all 0.4s ease;
}

/* Step number ripple animation */
.step-number::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--accent-blue);
    animation: ripple 2s ease-out infinite;
    opacity: 0;
}

/* Stats counter glow */
.stat-number {
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

/* Neon text effect for hero h1 */
.hero h1 {
    text-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
    animation: heroFadeIn 1s ease-out;
}

/* Hero badge entrance */
.hero-badge {
    animation: badgeSlide 0.8s ease-out;
}

/* CTA pulsing glow */
.cta-section .btn-telegram {
    animation: ctaPulse 3s ease-in-out infinite;
}

/* Tag cloud scroll animation */
.tag-cloud span {
    animation: tagFloat 20s linear infinite;
    animation-delay: calc(var(--i, 0) * -1.2s);
}

.tag-cloud span:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

/* Data stream decoration */
.data-stream {
    position: absolute;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(6, 182, 212, 0.15), transparent);
    animation: dataStreamFlow 3s linear infinite;
    pointer-events: none;
    z-index: 0;
}

/* Radar sweep for hero */
.radar-sweep {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 1px solid rgba(59, 130, 246, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

.radar-sweep::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 50%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.05));
    transform-origin: bottom left;
    animation: radarSweep 4s linear infinite;
}

/* Glitch effect for .text-gradient on hover */
.text-gradient {
    position: relative;
    transition: all 0.3s ease;
}

/* ===== Keyframes ===== */
@keyframes floatOrb {

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

    25% {
        transform: translate(40px, -40px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 30px) scale(0.95);
    }

    75% {
        transform: translate(30px, 10px) scale(1.02);
    }
}

@keyframes pulse {

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

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

@keyframes scanDown {
    0% {
        top: 0;
        opacity: 0;
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        top: 100%;
        opacity: 0;
    }
}

@keyframes scannerMove {
    0% {
        top: 20%;
        left: 10%;
    }

    25% {
        top: 30%;
        left: 80%;
    }

    50% {
        top: 70%;
        left: 60%;
    }

    75% {
        top: 50%;
        left: 20%;
    }

    100% {
        top: 20%;
        left: 10%;
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

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

@keyframes badgeSlide {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes ctaPulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(42, 171, 238, 0.35);
    }

    50% {
        box-shadow: 0 4px 40px rgba(42, 171, 238, 0.6), 0 0 60px rgba(42, 171, 238, 0.15);
    }
}

@keyframes dataStreamFlow {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }

    50% {
        opacity: 1;
    }

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

@keyframes radarSweep {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {

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

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

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

    .sidebar-sticky {
        position: static;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 14, 26, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 28px;
        z-index: 999;
    }

    .nav.active {
        display: flex !important;
    }

    .nav a {
        font-size: 1.2rem;
    }

    .menu-toggle {
        display: flex;
    }

    .services-grid,
    .steps-grid,
    .benefits-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

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

    .stats-row {
        gap: 24px;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
}

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

    .card {
        padding: 24px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
}