/* ========================================
   КУРСЕРИА — CYBERPUNK STYLE
   ======================================== */

/* CSS Variables - Cyberpunk Palette */
:root {
    /* Neon Colors */
    --neon-cyan: #00F3FF;
    --neon-pink: #FF00FF;
    --neon-yellow: #FFE600;
    --neon-green: #00FF41;
    --neon-orange: #FF6B00;
    --neon-red: #FF003C;
    --neon-purple: #BD00FF;
    
    /* Dark Backgrounds */
    --bg-dark: #0A0A0F;
    --bg-darker: #050508;
    --bg-card: #12121A;
    --bg-card-hover: #1A1A25;
    --bg-panel: #0D0D12;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8D0;
    --text-muted: #6B6B80;
    --text-neon: var(--neon-cyan);
    
    /* Gradients */
    --gradient-cyber: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    --gradient-neon: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
    --gradient-dark: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    --gradient-card: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-panel) 100%);
    
    /* Glows */
    --glow-cyan: 0 0 10px rgba(0, 243, 255, 0.5), 0 0 20px rgba(0, 243, 255, 0.3), 0 0 30px rgba(0, 243, 255, 0.1);
    --glow-pink: 0 0 10px rgba(255, 0, 255, 0.5), 0 0 20px rgba(255, 0, 255, 0.3), 0 0 30px rgba(255, 0, 255, 0.1);
    --glow-yellow: 0 0 10px rgba(255, 230, 0, 0.5), 0 0 20px rgba(255, 230, 0, 0.3);
    --glow-green: 0 0 10px rgba(0, 255, 65, 0.5), 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-text: 0 0 5px rgba(0, 243, 255, 0.8), 0 0 10px rgba(0, 243, 255, 0.5);
    
    /* Borders */
    --border-neon: 1px solid rgba(0, 243, 255, 0.3);
    --border-glow: 1px solid rgba(0, 243, 255, 0.5);
    --border-card: 1px solid rgba(255, 255, 255, 0.05);
    
    /* Typography */
    --font-main: 'Rajdhani', 'Orbitron', 'Inter', sans-serif;
    --font-mono: 'Share Tech Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-none: 0;
    
    /* Shadows */
    --shadow-neon: 0 0 20px rgba(0, 243, 255, 0.2);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(0, 243, 255, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max: 1400px;
}

/* Import Cyberpunk Fonts */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Orbitron:wght@400;700;900&family=Share+Tech+Mono&display=swap');

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-darker);
    background-image: 
        radial-gradient(ellipse at top, rgba(0, 243, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(255, 0, 255, 0.02) 0%, transparent 50%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scanline Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 0px,
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 9999;
    opacity: 0.3;
}

/* Grid Background */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* Animated Background Particles */
body {
    overflow-x: hidden;
}

.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-particles::before,
.bg-particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 243, 255, 0.6);
    border-radius: 50%;
    box-shadow:
        0 0 10px rgba(0, 243, 255, 0.8),
        0 0 20px rgba(0, 243, 255, 0.4);
    animation: particleFloat 15s infinite;
}

/* Cyan particles */
.bg-particles::before {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    box-shadow:
        0 0 10px rgba(0, 243, 255, 0.8),
        0 0 20px rgba(0, 243, 255, 0.4),
        100px 200px rgba(0, 243, 255, 0.3),
        200px 400px rgba(0, 243, 255, 0.2),
        300px 100px rgba(0, 243, 255, 0.25),
        450px 300px rgba(0, 243, 255, 0.15),
        600px 500px rgba(0, 243, 255, 0.2),
        800px 200px rgba(0, 243, 255, 0.15);
}

/* Pink particles */
.bg-particles::after {
    top: 50%;
    left: 80%;
    background: rgba(255, 0, 255, 0.6);
    box-shadow:
        0 0 10px rgba(255, 0, 255, 0.8),
        0 0 20px rgba(255, 0, 255, 0.4),
        150px 250px rgba(255, 0, 255, 0.3),
        350px 150px rgba(255, 0, 255, 0.2),
        500px 400px rgba(255, 0, 255, 0.25),
        250px 500px rgba(255, 0, 255, 0.15),
        700px 300px rgba(255, 0, 255, 0.2);
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translate(50px, -100px) scale(1.2);
        opacity: 0.8;
    }
    50% {
        transform: translate(-30px, 50px) scale(0.8);
        opacity: 0.4;
    }
    75% {
        transform: translate(80px, 80px) scale(1.1);
        opacity: 0.7;
    }
}

/* Floating data bits */
.bg-data {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-data::before {
    content: '0 1';
    position: absolute;
    top: -50px;
    left: 5%;
    font-family: var(--font-mono);
    font-size: 14px;
    color: rgba(0, 243, 255, 0.15);
    letter-spacing: 20px;
    animation: dataFall 30s linear infinite;
    white-space: nowrap;
}

.bg-data::after {
    content: '1 0';
    position: absolute;
    top: -50px;
    left: 70%;
    font-family: var(--font-mono);
    font-size: 18px;
    color: rgba(255, 0, 255, 0.12);
    letter-spacing: 25px;
    animation: dataFall 40s linear infinite;
    animation-delay: -15s;
    white-space: nowrap;
}

@keyframes dataFall {
    0% {
        transform: translateY(-50px) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) translateX(50px);
        opacity: 0;
    }
}

/* Glowing Orbs */
.bg-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-orbs::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 30%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: orbPulse 8s ease-in-out infinite, orbFloat1 25s ease-in-out infinite;
}

.bg-orbs::after {
    content: '';
    position: absolute;
    top: 60%;
    right: 20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(189, 0, 255, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(50px);
    animation: orbPulse 10s ease-in-out infinite reverse, orbFloat2 30s ease-in-out infinite;
}

@keyframes orbPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

@keyframes orbFloat1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(100px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 80px) scale(0.9);
    }
}

@keyframes orbFloat2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(-80px, 60px) scale(1.15);
    }
    66% {
        transform: translate(60px, -80px) scale(0.95);
    }
}

/* Hexagon Grid Pattern */
.bg-hex {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cg fill-rule='evenodd'%3E%3Cg id='hexagons' fill='%2300F3FF' fill-opacity='0.02' fill-rule='nonzero'%3E%3Cpath d='M13.99 9.25l13 7.5v15l-13 7.5L1 31.75v-15l12.99-7.5zM3 17.9v12.7l10.99 6.34 11-6.35V17.9l-11-6.34L3 17.9zM0 15l12.98-7.5V0h-2v6.35L0 12.69v2.3zm0 18.5L12.98 41v8h-2v-6.85L0 35.81v-2.3zM15 0v7.5L27.99 15H28v-2.31h-.01L17 6.35V0h-2zm0 49v-8l12.99-7.5H28v2.31h-.01L17 42.15V49h-2z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: hexScroll 60s linear infinite;
}

@keyframes hexScroll {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 28px 49px;
    }
}

/* Floating Tech Shapes */
.bg-tech {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-tech::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 85%;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(0, 243, 255, 0.3);
    transform: rotate(45deg);
    animation: techRotate 20s linear infinite, techFloat1 15s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.2), inset 0 0 20px rgba(0, 243, 255, 0.1);
}

.bg-tech::after {
    content: '';
    position: absolute;
    bottom: 25%;
    left: 10%;
    width: 80px;
    height: 80px;
    border: 2px solid rgba(255, 0, 255, 0.25);
    border-radius: 50%;
    animation: techRotate2 25s linear infinite reverse, techFloat2 18s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.2), inset 0 0 30px rgba(255, 0, 255, 0.1);
}

@keyframes techRotate {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}

@keyframes techRotate2 {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(-180deg) scale(1.3);
    }
    100% {
        transform: rotate(-360deg) scale(1);
    }
}

@keyframes techFloat1 {
    0%, 100% {
        top: 15%;
        left: 85%;
    }
    25% {
        top: 20%;
        left: 80%;
    }
    50% {
        top: 25%;
        left: 88%;
    }
    75% {
        top: 18%;
        left: 82%;
    }
}

@keyframes techFloat2 {
    0%, 100% {
        bottom: 25%;
        left: 10%;
    }
    25% {
        bottom: 30%;
        left: 15%;
    }
    50% {
        bottom: 20%;
        left: 12%;
    }
    75% {
        bottom: 28%;
        left: 8%;
    }
}

/* Scanline Moving Effect */
.bg-scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
    opacity: 0.03;
}

.bg-scanline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, transparent, rgba(0, 243, 255, 0.5), transparent);
    animation: scanlineMove 8s linear infinite;
}

@keyframes scanlineMove {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100vh);
    }
}

/* Sparkle Effect */
.bg-sparkles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-sparkles span {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    animation: sparkle 3s ease-in-out infinite;
}

.bg-sparkles span:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.bg-sparkles span:nth-child(2) { top: 30%; left: 60%; animation-delay: 0.5s; }
.bg-sparkles span:nth-child(3) { top: 50%; left: 40%; animation-delay: 1s; }
.bg-sparkles span:nth-child(4) { top: 70%; left: 80%; animation-delay: 1.5s; }
.bg-sparkles span:nth-child(5) { top: 90%; left: 30%; animation-delay: 2s; }
.bg-sparkles span:nth-child(6) { top: 25%; left: 75%; animation-delay: 0.3s; }
.bg-sparkles span:nth-child(7) { top: 60%; left: 15%; animation-delay: 0.8s; }
.bg-sparkles span:nth-child(8) { top: 80%; left: 55%; animation-delay: 1.3s; }
.bg-sparkles span:nth-child(9) { top: 40%; left: 90%; animation-delay: 1.8s; }
.bg-sparkles span:nth-child(10) { top: 15%; left: 45%; animation-delay: 2.3s; }

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

/* Neon Glow Pulse on Body */
body {
    animation: bodyGlow 10s ease-in-out infinite;
}

@keyframes bodyGlow {
    0%, 100% {
        box-shadow: inset 0 0 100px rgba(0, 243, 255, 0.05);
    }
    50% {
        box-shadow: inset 0 0 200px rgba(189, 0, 255, 0.08);
    }
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select {
    font-family: inherit;
    font-size: inherit;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   Glitch Effect
   ======================================== */
@keyframes glitch {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(20% 0 60% 0); transform: translate(-2px, 2px); }
    40% { clip-path: inset(40% 0 40% 0); transform: translate(2px, -2px); }
    60% { clip-path: inset(60% 0 20% 0); transform: translate(-2px, 2px); }
    80% { clip-path: inset(10% 0 80% 0); transform: translate(2px, -2px); }
}

@keyframes glitch-skew {
    0%, 100% { transform: skew(0deg); }
    25% { transform: skew(2deg); }
    50% { transform: skew(-2deg); }
    75% { transform: skew(1deg); }
}

.glitch {
    position: relative;
    animation: glitch-skew 3s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch 3s infinite;
    background: var(--bg-darker);
    color: var(--neon-pink);
    z-index: -1;
    clip-path: inset(0 0 0 0);
}

.glitch::after {
    animation: glitch 2s infinite reverse;
    background: var(--bg-darker);
    color: var(--neon-cyan);
    z-index: -2;
    clip-path: inset(0 0 0 0);
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.1);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 900;
    font-size: 1.75rem;
    font-family: var(--font-mono);
    color: var(--neon-cyan);
    text-shadow: var(--glow-text);
    letter-spacing: 2px;
    transition: all var(--transition-fast);
}

.logo:hover {
    text-shadow: 0 0 20px rgba(0, 243, 255, 1);
}

.logo__icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--neon-cyan));
}

.nav {
    display: flex;
    gap: var(--spacing-2xl);
}

.nav__link {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: all var(--transition-fast);
}

.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-neon);
    transition: width var(--transition-base);
    box-shadow: var(--glow-cyan);
}

.nav__link:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.8);
}

.nav__link:hover::before {
    width: 100%;
}

/* ========================================
   Buttons - Cyberpunk Style
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-none);
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn::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;
}

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

.btn--primary {
    background: var(--gradient-cyber);
    color: var(--bg-darker);
    border: 1px solid var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.btn--primary:hover {
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.6), 0 0 60px rgba(0, 243, 255, 0.3);
    transform: translateY(-2px);
    color: var(--bg-darker);
}

.btn--outline {
    background: transparent;
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
    box-shadow: inset 0 0 10px rgba(0, 243, 255, 0.1);
}

.btn--outline:hover {
    background: rgba(0, 243, 255, 0.1);
    box-shadow: var(--glow-cyan);
    color: var(--neon-cyan);
}

.btn--large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1rem;
}

.btn--full {
    width: 100%;
}

.btn--white {
    background: white;
    color: var(--bg-dark);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: calc(80px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 0, 255, 0.08) 0%, transparent 70%);
    animation: pulse 5s ease-in-out infinite reverse;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero__title .highlight {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 243, 255, 0.5));
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    font-family: var(--font-mono);
    border-left: 3px solid var(--neon-pink);
    padding-left: var(--spacing-lg);
}

.hero__stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background: rgba(0, 243, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: var(--radius-md);
}

.stat__number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero__search {
    display: flex;
    gap: var(--spacing-md);
    max-width: 550px;
}

.search-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid rgba(0, 243, 255, 0.3);
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-none);
    font-size: 1rem;
    font-family: var(--font-mono);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.search-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
    background: rgba(0, 243, 255, 0.05);
}

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

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero__image::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: imagePulse 4s ease-in-out infinite;
    z-index: -1;
}

@keyframes imagePulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.15);
    }
}

.hero__illustration {
    position: relative;
    width: 450px;
    height: 450px;
    overflow: visible;
}

.illustration__card {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--bg-card);
    border: 1px solid var(--neon-cyan);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: var(--glow-cyan);
    animation: float 3s ease-in-out infinite;
}

.illustration__card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
}

.illustration__card::before {
    content: '';
    position: absolute;
    inset: -8px;
    border: 1px dashed rgba(0, 243, 255, 0.3);
    border-radius: var(--radius-lg);
    animation: rotate 20s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.illustration__card--1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-name: float1;
    animation-delay: 0s;
}

.illustration__card--2 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation-name: float2;
    animation-delay: 0.5s;
}

.illustration__card--3 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-name: float3;
    animation-delay: 1s;
}

.illustration__card--4 {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation-name: float4;
    animation-delay: 1.5s;
}

@keyframes float1 {
    0%, 100% { transform: translateX(-50%) translateY(0px) rotate(0deg); }
    50%       { transform: translateX(-50%) translateY(-18px) rotate(5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(-50%) translateX(0px) rotate(0deg); }
    50%       { transform: translateY(-50%) translateX(-14px) rotate(-5deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateX(-50%) translateY(0px) rotate(0deg); }
    50%       { transform: translateX(-50%) translateY(18px) rotate(-5deg); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(-50%) translateX(0px) rotate(0deg); }
    50%       { transform: translateY(-50%) translateX(14px) rotate(5deg); }
}

/* ========================================
   Sections
   ======================================== */
.section__title {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.section__title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: var(--gradient-neon);
    margin: var(--spacing-md) auto 0;
    box-shadow: var(--glow-cyan);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    font-family: var(--font-mono);
}

/* ========================================
   Sources Section
   ======================================== */
.sources {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-dark);
    position: relative;
}

.sources__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.source-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: var(--border-card);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.source-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-neon);
}

.source-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 243, 255, 0.3);
    box-shadow: var(--shadow-neon);
}

.source-card__logo {
    font-size: 1.25rem;
    font-weight: 900;
    font-family: var(--font-mono);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: inline-block;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.source-card__logo--netology {
    background: rgba(255, 0, 60, 0.1);
    color: var(--neon-red);
    border: 1px solid rgba(255, 0, 60, 0.3);
}

.source-card__logo--skillbox {
    background: rgba(0, 243, 255, 0.1);
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 243, 255, 0.3);
}

.source-card__logo--skillfactory {
    background: rgba(189, 0, 255, 0.1);
    color: var(--neon-purple);
    border: 1px solid rgba(189, 0, 255, 0.3);
}

.source-card__logo--gb {
    background: rgba(0, 255, 65, 0.1);
    color: var(--neon-green);
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.source-card__desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.source-card__link {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.source-card__link:hover {
    color: var(--neon-pink);
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.8);
}

/* ========================================
   Categories Section
   ======================================== */
.categories {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-darker);
}

.categories__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.category-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all var(--transition-base);
    border: var(--border-card);
    position: relative;
    overflow: hidden;
}

.category-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-neon);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.category-card:hover {
    border-color: rgba(0, 243, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
}

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

.category-card__icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-card__icon img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    display: block;
}

.category-card__title {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.category-card__count {
    font-size: 0.8125rem;
    color: var(--neon-cyan);
    font-family: var(--font-mono);
}

/* ========================================
   Catalog Section
   ======================================== */
.catalog {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-dark);
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: var(--border-card);
}

.filters__search {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 280px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.3);
}

.filters__search svg {
    color: var(--neon-cyan);
    flex-shrink: 0;
}

.filters__input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.9375rem;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.filters__group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filters__label {
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filters__buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 600;
    border-radius: var(--radius-none);
    background: rgba(0, 243, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(0, 243, 255, 0.2);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 1px;
    clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.filter-btn:hover {
    background: rgba(0, 243, 255, 0.15);
    border-color: var(--neon-cyan);
}

.filter-btn.active {
    background: var(--gradient-cyber);
    color: var(--bg-darker);
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.filters__select {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid rgba(0, 243, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    cursor: pointer;
    border-radius: var(--radius-md);
    text-transform: uppercase;
}

.filters__select:focus {
    outline: none;
    border-color: var(--neon-cyan);
}

/* Results count */
.catalog__results {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--neon-cyan);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
}

.courses-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* Course Card */
.course-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: var(--border-card);
    transition: all var(--transition-base);
    position: relative;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-neon);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.course-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 243, 255, 0.3);
    box-shadow: var(--shadow-neon);
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-card__image {
    position: relative;
    height: 200px;
    background: var(--bg-panel);
    overflow: hidden;
}

.course-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: grayscale(30%);
}

.course-card:hover .course-card__img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.course-card__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.1) 0%, rgba(255, 0, 255, 0.1) 100%);
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
}

.course-card__badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--neon-cyan);
    border-radius: var(--radius-none);
    font-size: 0.6875rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.course-card__content {
    padding: var(--spacing-lg);
}

.course-card__category {
    font-size: 0.6875rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-pink);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.course-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.course-card__description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.course-card__price {
    font-family: var(--font-mono);
    font-weight: 900;
    font-size: 1.125rem;
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.course-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
}

.course-card__link:hover {
    color: var(--neon-pink);
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.8);
}

/* Load More */
.catalog__load-more {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-darker);
}

.about__content {
    /* max-width: 900px; */
    margin: 0 auto;
}

.about__text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
}

.about__features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border: var(--border-card);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature:hover {
    border-color: rgba(0, 243, 255, 0.3);
    box-shadow: var(--shadow-neon);
    transform: translateY(-5px);
}

.feature__icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 15px rgba(0, 243, 255, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature__icon img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    display: block;
}

.feature__title {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature__desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.1) 0%, rgba(255, 0, 255, 0.05) 100%);
    border-top: 1px solid rgba(0, 243, 255, 0.2);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
}

.cta__content {
    text-align: center;
}

.cta__title {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.cta__text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-mono);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: var(--bg-darker);
    border-top: 1px solid rgba(0, 243, 255, 0.2);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer__brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer__desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.footer__title {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer__link {
    display: block;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    transition: all var(--transition-fast);
    font-family: var(--font-mono);
}

.footer__link:hover {
    color: var(--neon-cyan);
    padding-left: var(--spacing-sm);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
}

.footer__bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer__copyright {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer__disclaimer {
    font-size: 0.8125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.footer__ads {
    margin-top: var(--spacing-md);
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
}

.footer__ad-item {
    font-size: 0.75rem;
    line-height: 1.55;
    color: var(--text-muted);
    margin: 0 0 6px;
}

.footer__dev {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__dev-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.footer__dev-link:hover {
    opacity: 1;
}

.footer__dev-logo {
    height: 28px;
    width: auto;
    display: block;
    object-fit: contain;
    filter: grayscale(1) brightness(1.5);
}

.footer__dev-link:hover .footer__dev-logo {
    filter: none;
}

.footer__dev-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer__dev-name {
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer__dev-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   Course Hero (Detail Page)
   ======================================== */
.course-hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, var(--bg-panel) 100%);
    position: relative;
    overflow: hidden;
}

.course-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    pointer-events: none;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
}

.breadcrumb__link {
    color: var(--text-muted);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.breadcrumb__link:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
}

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

.breadcrumb__current {
    color: var(--neon-cyan);
    font-weight: 700;
}

.course-hero__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.course-hero__badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-none);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.badge--source {
    background: var(--gradient-cyber);
    color: var(--bg-darker);
    border: 1px solid var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.badge--category {
    background: rgba(255, 0, 255, 0.1);
    color: var(--neon-pink);
    border: 1px solid var(--neon-pink);
    box-shadow: var(--glow-pink);
}

.course-hero__title {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.course-hero__description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-mono);
}

.course-hero__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.course-hero__price {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 900;
    color: var(--neon-green);
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
}

.course-hero__trust {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: rgba(0, 243, 255, 0.05);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid rgba(0, 243, 255, 0.2);
    font-family: var(--font-mono);
}

.trust-badge__icon {
    color: var(--neon-green);
    font-weight: 900;
}

.course-hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.course-hero__image-wrapper {
    position: relative;
    width: 100%;
    max-width: 550px;
    aspect-ratio: 4/3;
    background: var(--gradient-cyber);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--glow-cyan);
    border: 1px solid rgba(0, 243, 255, 0.3);
}

.course-hero__image-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-neon);
    z-index: -1;
    border-radius: var(--radius-lg);
}

.course-hero__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.2) 0%, rgba(255, 0, 255, 0.2) 100%);
    overflow: hidden;
}

.course-hero__placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-hero__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   Course Details Section
   ======================================== */
.course-details {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-dark);
}

.course-details__grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-2xl);
}

.course-details__main {
    min-width: 0;
}

.course-details__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.detail-block {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.detail-block__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-family: var(--font-mono);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.detail-block__icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 10px var(--neon-cyan));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-block__icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
}

.detail-block__text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

/* Features List */
.features-list {
    display: grid;
    gap: var(--spacing-md);
}

.features-list__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 243, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.features-list__item:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--neon-cyan);
    transform: translateX(8px);
    box-shadow: var(--glow-cyan);
}

.features-list__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-cyber);
    color: var(--bg-darker);
    border-radius: var(--radius-none);
    font-size: 0.75rem;
    font-weight: 900;
    flex-shrink: 0;
    box-shadow: var(--glow-cyan);
}

.features-list__item span:last-child {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-family: var(--font-mono);
}

/* Audience Grid */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.audience-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: var(--border-card);
    transition: all var(--transition-fast);
}

.audience-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon);
    transform: translateY(-3px);
}

.audience-card__icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.5));
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.audience-card__icon img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    display: block;
}

.audience-card__text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-weight: 600;
}

/* Sidebar Card */
.sidebar-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: var(--border-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.sidebar-card__header {
    padding: var(--spacing-lg);
    background: rgba(0, 243, 255, 0.05);
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
}

.sidebar-card__title {
    font-size: 1rem;
    font-family: var(--font-mono);
    font-weight: 900;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sidebar-card__body {
    padding: var(--spacing-lg);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-family: var(--font-mono);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row__label {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 1px;
}

.info-row__value {
    font-weight: 700;
    color: var(--text-primary);
    text-align: right;
}

/* Source Courses List */
.source-courses-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.source-courses-list::-webkit-scrollbar {
    width: 6px;
}

.source-courses-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

.source-courses-list::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border-radius: 3px;
}

.source-course-item {
    display: block;
    padding: var(--spacing-md);
    background: rgba(0, 243, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.source-course-item:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--neon-cyan);
    transform: translateX(8px);
    box-shadow: var(--glow-cyan);
}

.source-course-item__title {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.source-course-item__price {
    font-size: 0.8125rem;
    color: var(--neon-green);
    font-weight: 700;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

/* ========================================
   Course CTA Section
   ======================================== */
.course-cta {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.1) 0%, rgba(189, 0, 255, 0.1) 100%);
    border-top: 1px solid rgba(0, 243, 255, 0.2);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
}

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

.course-cta__title {
    font-family: var(--font-mono);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.course-cta__text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-mono);
}

/* ========================================
   Responsive Design
   ======================================== */
/* ========================================
   BURGER MENU
   ======================================== */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid rgba(0, 243, 255, 0.3);
    cursor: pointer;
    padding: 8px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.burger:hover {
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.burger__line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--neon-cyan);
    transition: all var(--transition-base);
    transform-origin: center;
}

.burger.is-active .burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger.is-active .burger__line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.burger.is-active .burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   MOBILE MENU
   ======================================== */
.mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-xl);
    background: rgba(10, 10, 15, 0.98);
    border-top: 1px solid rgba(0, 243, 255, 0.15);
    border-bottom: 2px solid var(--neon-cyan);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.mobile-menu.is-open {
    display: flex;
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu__link {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--spacing-md) var(--spacing-md);
    border-left: 3px solid transparent;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link:active {
    color: var(--neon-cyan);
    border-left-color: var(--neon-cyan);
    background: rgba(0, 243, 255, 0.05);
    text-shadow: var(--glow-text);
}

.mobile-menu__cta {
    margin-top: var(--spacing-sm);
}

/* ========================================
   RESPONSIVE — 1024px
   ======================================== */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__stats {
        justify-content: center;
    }
    
    .hero__search {
        margin: 0 auto;
    }
    
    .course-hero__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .course-hero__badges {
        justify-content: center;
    }
    
    .course-hero__actions {
        justify-content: center;
    }
    
    .course-hero__trust {
        justify-content: center;
    }
    
    .course-details__grid {
        grid-template-columns: 1fr;
    }
    
    .course-details__sidebar {
        order: -1;
    }
    
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   RESPONSIVE — 768px (Tablet)
   ======================================== */
@media (max-width: 768px) {

    /* --- Header --- */
    .nav {
        display: none;
    }

    .nav__cta {
        display: none;
    }

    .burger {
        display: flex;
    }

    /* --- Hero --- */
    .hero {
        padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
        letter-spacing: 1px;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .stat {
        flex: 1;
        min-width: 90px;
        text-align: center;
        align-items: center;
    }

    .stat__number {
        font-size: 2rem;
    }

    .hero__search {
        flex-direction: column;
        max-width: 100%;
    }

    .hero__search .btn {
        width: 100%;
    }

    .hero__illustration {
        width: 280px;
        height: 280px;
    }

    .illustration__card {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    /* --- Section titles --- */
    .section__title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    /* --- Sources --- */
    .sources__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    /* --- Categories --- */
    .categories__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* --- Filters --- */
    .filters {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .filters__search {
        width: 100%;
    }

    .filters__group {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .filters__buttons {
        width: 100%;
        flex-wrap: wrap;
        gap: 6px;
    }

    .filter-btn {
        flex: 1 1 auto;
        text-align: center;
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .filters__select {
        width: 100%;
    }

    /* --- Courses Grid --- */
    .courses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* --- About --- */
    .about__features {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .feature {
        padding: var(--spacing-lg);
    }

    .feature__icon {
        font-size: 2.5rem;
    }

    /* --- Footer --- */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

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

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

    /* --- Course page --- */
    .course-hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .course-hero__trust {
        flex-direction: column;
        align-items: center;
    }

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

    /* --- CTA --- */
    .cta__title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
}

/* ========================================
   RESPONSIVE — 480px (Mobile S)
   ======================================== */
@media (max-width: 480px) {

    /* --- Container --- */
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    /* --- Header --- */
    .logo__text {
        font-size: 1.4rem;
    }

    /* --- Hero --- */
    .hero {
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }

    .hero__title {
        font-size: clamp(1.75rem, 9vw, 2.5rem);
        letter-spacing: 0;
    }

    .hero__subtitle {
        font-size: 0.875rem;
        padding-left: var(--spacing-md);
    }

    .hero__stats {
        gap: var(--spacing-sm);
    }

    .stat__number {
        font-size: 1.75rem;
    }

    .hero__illustration {
        width: 240px;
        height: 240px;
    }

    .illustration__card {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }

    /* --- Sources --- */
    .sources__grid {
        grid-template-columns: 1fr;
    }

    /* --- Categories --- */
    .categories__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .category-card {
        padding: var(--spacing-md);
    }

    .category-card__icon {
        font-size: 2rem;
    }

    /* --- Course card --- */
    .course-card__meta {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    /* --- About features --- */
    .about__features {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .feature {
        padding: var(--spacing-md);
    }

    .feature__icon {
        font-size: 2rem;
    }

    .feature__title {
        font-size: 0.8rem;
    }

    .feature__desc {
        font-size: 0.8rem;
    }

    /* --- Course hero (страница курса) --- */
    .course-hero__title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .course-hero__image-wrapper {
        aspect-ratio: 1;
    }

    .breadcrumb {
        flex-wrap: wrap;
        gap: 4px;
    }

    /* --- Buttons --- */
    .btn--large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.875rem;
    }

    /* --- Section titles --- */
    .section__title {
        font-size: clamp(1.25rem, 7vw, 2rem);
        letter-spacing: 1px;
    }

    .section__subtitle {
        font-size: 0.85rem;
    }

    /* --- Load more --- */
    .catalog__load-more .btn {
        width: 100%;
    }

    /* --- Footer --- */
    .footer__copyright,
    .footer__disclaimer {
        font-size: 0.75rem;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* ========================================
   Utilities
   ======================================== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border: 2px solid var(--bg-darker);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-pink);
}

/* Selection */
::selection {
    background: var(--neon-cyan);
    color: var(--bg-darker);
}

::-moz-selection {
    background: var(--neon-cyan);
    color: var(--bg-darker);
}

/* ========================================
   SEO SECTION STYLES
   ======================================== */

.seo-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-top: 2px solid rgba(0, 243, 255, 0.2);
}

.seo-content {
    max-width: 1200px;
    margin: 0 auto;
}

.seo-section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    text-align: center;
    font-family: var(--font-main);
}

.seo-section__intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 50px;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.seo-section__blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.seo-block {
    padding: 25px;
    background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-panel) 100%);
    border: var(--border-card);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.seo-block:hover {
    background: linear-gradient(145deg, var(--bg-card-hover) 0%, var(--bg-card) 100%);
    border-color: rgba(0, 243, 255, 0.5);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.1);
}

.seo-block__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--neon-cyan);
    margin-bottom: 12px;
    font-family: var(--font-main);
}

.seo-block__text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* FAQ Section */
.seo-section__faq {
    background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-panel) 100%);
    border: var(--border-card);
    border-radius: 8px;
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.seo-section__faq-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
    font-family: var(--font-main);
}

.faq-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item__question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neon-cyan);
    margin: 0 0 12px 0;
    font-family: var(--font-main);
    cursor: pointer;
    transition: color 0.3s ease;
}

.faq-item__question:hover {
    color: var(--neon-yellow);
}

.faq-item__answer {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Responsive SEO Section */
@media (max-width: 768px) {
    .seo-section {
        padding: 40px 0;
    }

    .seo-section__title {
        font-size: 1.8rem;
    }

    .seo-section__intro {
        font-size: 1rem;
        margin-bottom: 35px;
    }

    .seo-section__blocks {
        gap: 20px;
        margin-bottom: 40px;
    }

    .seo-block {
        padding: 20px;
    }

    .seo-block__title {
        font-size: 1.1rem;
    }

    .seo-block__text {
        font-size: 0.9rem;
    }

    .seo-section__faq {
        padding: 25px;
    }

    .seo-section__faq-title {
        font-size: 1.4rem;
    }

    .faq-item__question {
        font-size: 1rem;
    }

    .faq-item__answer {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .seo-section {
        padding: 30px 0;
    }

    .seo-section__title {
        font-size: 1.5rem;
    }

    .seo-section__intro {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }

    .seo-section__blocks {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 30px;
    }

    .seo-block {
        padding: 15px;
    }

    .seo-block__title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .seo-block__text {
        font-size: 0.85rem;
    }

    .seo-section__faq {
        padding: 15px;
    }

    .seo-section__faq-title {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }

    .faq-item {
        margin-bottom: 15px;
        padding-bottom: 15px;
    }

    .faq-item__question {
        font-size: 0.95rem;
    }

    .faq-item__answer {
        font-size: 0.85rem;
    }
}

/* ========================================
   BLOG LIST PAGE
   ======================================== */
.blog-hero {
    padding: 110px 0 40px;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid rgba(0,243,255,.15);
}
.blog-hero__content { max-width: 700px; }
.blog-hero__label {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .85rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}
.blog-hero__title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 14px;
    line-height: 1.1;
}
.blog-hero__sub {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: .95rem;
    margin-bottom: 28px;
}
.blog-hero__stats {
    display: flex;
    gap: 32px;
}
.blog-hero__stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.blog-hero__stat-n {
    font-size: 2rem;
    font-weight: 800;
    color: var(--neon-cyan);
    line-height: 1;
}
.blog-hero__stat-l {
    color: var(--text-muted);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-main {
    padding: 40px 0 60px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: var(--border-card);
    padding: 24px;
    text-decoration: none;
    transition: all .25s ease;
    position: relative;
    overflow: hidden;
}
.blog-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
    transform: scaleX(0);
    transition: transform .25s ease;
    transform-origin: left;
}
.blog-card:hover::before { transform: scaleX(1); }
.blog-card:hover {
    border-color: rgba(0,243,255,.5);
    box-shadow: var(--glow-cyan);
    transform: translateY(-4px);
}
.blog-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 8px;
}
.blog-card__cat {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(0,243,255,.08);
    padding: 3px 8px;
    border: 1px solid rgba(0,243,255,.2);
}
.blog-card__date {
    color: var(--text-muted);
    font-size: .75rem;
    font-family: var(--font-mono);
    white-space: nowrap;
}
.blog-card__title {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
    flex: 1;
}
.blog-card__excerpt {
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}
.blog-card__cta {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .85rem;
    margin-top: auto;
}
.blog-card__arrow {
    transition: transform .2s;
    display: inline-block;
}
.blog-card:hover .blog-card__arrow {
    transform: translateX(4px);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 0 40px;
    flex-wrap: wrap;
}
.pagination__btn {
    padding: 10px 20px;
    background: var(--bg-card);
    border: var(--border-card);
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .85rem;
    text-decoration: none;
    transition: all .2s;
    white-space: nowrap;
}
.pagination__btn:hover:not(.pagination__btn--disabled) {
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}
.pagination__btn--disabled {
    opacity: .35;
    cursor: default;
}
.pagination__pages {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}
.pagination__page {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: var(--border-card);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: .85rem;
    text-decoration: none;
    transition: all .2s;
}
.pagination__page:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}
.pagination__page--active {
    background: var(--neon-cyan);
    color: var(--bg-darker);
    border-color: var(--neon-cyan);
    font-weight: 700;
}

/* Blog CTA */
.blog-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--bg-darker) 0%, rgba(0,243,255,.05) 100%);
    border-top: 1px solid rgba(0,243,255,.15);
}
.blog-cta__inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}
.blog-cta__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
}
.blog-cta__text {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

/* ========================================
   POST (ARTICLE) PAGE
   ======================================== */

/* Active nav link */
.nav__link--active {
    color: var(--neon-cyan) !important;
}

/* Post Hero */
.post-hero {
    padding: 100px 0 40px;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid rgba(0,243,255,.15);
}
.post-hero__breadcrumb {
    margin-bottom: 20px;
}
.post-hero__body {
    max-width: 820px;
}
.post-hero__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.post-hero__cat {
    background: rgba(0,243,255,.1);
    border: 1px solid rgba(0,243,255,.3);
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .75rem;
    padding: 4px 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.post-hero__date,
.post-hero__read {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: .8rem;
}
.post-hero__title {
    font-size: clamp(1.7rem, 5vw, 2.8rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}
.post-hero__desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 24px;
}
.post-hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Post Layout: content + sidebar */
.post-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    padding-top: 40px;
    padding-bottom: 20px;
    align-items: start;
}

/* Post Content */
.post-content { min-width: 0; }
.post-content__body {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}
.post-content__body h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 36px 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,243,255,.15);
}
.post-content__body h3 {
    color: var(--neon-cyan);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 26px 0 10px;
}
.post-content__body p { margin: 0 0 18px; }
.post-content__body ul,
.post-content__body ol {
    padding-left: 20px;
    margin: 0 0 18px;
    line-height: 1.9;
}
.post-content__body li { margin-bottom: 6px; }
.post-content__body strong { color: var(--text-primary); }
.post-content__body a {
    color: var(--neon-cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Inline CTA */
.post-inline-cta {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, rgba(0,243,255,.08) 0%, rgba(255,0,128,.05) 100%);
    border: 1px solid rgba(0,243,255,.3);
    padding: 24px;
    margin: 40px 0 0;
    flex-wrap: wrap;
}
.post-inline-cta__icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.post-inline-cta__icon img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    display: block;
}
.post-inline-cta__text {
    flex: 1;
    min-width: 200px;
}
.post-inline-cta__text strong {
    display: block;
    color: var(--text-primary);
    font-size: 1.05rem;
    margin-bottom: 4px;
}
.post-inline-cta__text p {
    color: var(--text-secondary);
    font-size: .9rem;
    margin: 0;
}

/* Post Sidebar */
.post-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 90px;
}
.post-sidebar__card {
    background: var(--bg-card);
    border: var(--border-card);
    padding: 22px;
}
.post-sidebar__card--cta {
    background: linear-gradient(145deg, rgba(0,243,255,.06) 0%, var(--bg-card) 100%);
    border-color: rgba(0,243,255,.4);
}
.post-sidebar__cta-label {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .75rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}
.post-sidebar__cta-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.post-sidebar__cta-text {
    color: var(--text-secondary);
    font-size: .88rem;
    line-height: 1.55;
    margin-bottom: 14px;
}
.post-sidebar__cta-list {
    list-style: none;
    padding: 0;
    margin: 0 0 18px;
}
.post-sidebar__cta-list li {
    color: var(--text-secondary);
    font-size: .85rem;
    padding: 4px 0;
}
.post-sidebar__cta-list li::first-letter { color: var(--neon-cyan); }
.post-sidebar__card-title {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .8rem;
    letter-spacing: 2px;
    margin-bottom: 14px;
}
.post-sidebar__platforms {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.post-sidebar__platform {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-panel);
    border: 1px solid rgba(255,255,255,.06);
    text-decoration: none;
    transition: all .2s;
}
.post-sidebar__platform:hover {
    border-color: rgba(0,243,255,.4);
    background: rgba(0,243,255,.05);
}
.post-sidebar__platform-name {
    color: var(--text-primary);
    font-size: .88rem;
    font-weight: 500;
}
.post-sidebar__platform-badge {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .78rem;
}
.post-sidebar__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.post-sidebar__tag {
    background: var(--bg-panel);
    border: 1px solid rgba(255,255,255,.08);
    color: var(--text-secondary);
    font-size: .8rem;
    padding: 5px 10px;
    text-decoration: none;
    transition: all .2s;
}
.post-sidebar__tag:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

/* Post Courses Block */
.post-courses {
    padding: 60px 0;
    background: var(--bg-darker);
    border-top: 1px solid rgba(0,243,255,.15);
}
.post-courses__header {
    text-align: center;
    margin-bottom: 32px;
}
.post-courses__title {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.post-courses__sub {
    color: var(--text-secondary);
    font-size: .95rem;
}
.post-courses__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}
.post-courses__loading {
    grid-column: 1/-1;
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    padding: 40px;
}
.post-courses__dots {
    animation: dots 1.2s infinite;
    display: inline-block;
}
@keyframes dots {
    0%,100% { opacity: 1; }
    50% { opacity: .2; }
}
.post-courses__footer {
    text-align: center;
}

/* Post Course Card */
.post-course-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: var(--border-card);
    padding: 20px;
    text-decoration: none;
    transition: all .25s;
}
.post-course-card:hover {
    border-color: rgba(0,243,255,.5);
    box-shadow: var(--glow-cyan);
    transform: translateY(-3px);
}
.post-course-card__badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.post-course-card__source {
    background: rgba(0,243,255,.1);
    border: 1px solid rgba(0,243,255,.2);
    color: var(--neon-cyan);
    font-size: .72rem;
    font-family: var(--font-mono);
    padding: 3px 8px;
    text-transform: uppercase;
}
.post-course-card__cat {
    background: rgba(255,0,128,.08);
    border: 1px solid rgba(255,0,128,.2);
    color: var(--neon-pink);
    font-size: .72rem;
    font-family: var(--font-mono);
    padding: 3px 8px;
    text-transform: uppercase;
}
.post-course-card__title {
    color: var(--text-primary);
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    flex: 1;
}
.post-course-card__desc {
    color: var(--text-secondary);
    font-size: .83rem;
    line-height: 1.55;
    margin-bottom: 14px;
    flex: 1;
}
.post-course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,.06);
}
.post-course-card__price {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .85rem;
    font-weight: 600;
}
.post-course-card__link {
    color: var(--text-muted);
    font-size: .8rem;
    font-family: var(--font-mono);
    transition: color .2s;
}
.post-course-card:hover .post-course-card__link {
    color: var(--neon-cyan);
}

/* Related Posts */
.post-related {
    padding: 50px 0;
    background: var(--bg-dark);
    border-top: 1px solid rgba(255,255,255,.06);
}
.post-related__title {
    font-size: 1.2rem;
    font-family: var(--font-mono);
    color: var(--neon-cyan);
    margin-bottom: 24px;
    letter-spacing: 2px;
}
.post-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.post-related__card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: var(--border-card);
    padding: 20px;
    text-decoration: none;
    transition: all .2s;
}
.post-related__card:hover {
    border-color: rgba(0,243,255,.4);
    transform: translateY(-2px);
}
.post-related__cat {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}
.post-related__card-title {
    color: var(--text-primary);
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
}
.post-related__card-excerpt {
    color: var(--text-secondary);
    font-size: .83rem;
    line-height: 1.55;
    flex: 1;
    margin-bottom: 12px;
}
.post-related__link {
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: .8rem;
}

/* Bottom CTA */
.post-bottom-cta {
    padding: 70px 0;
    background: linear-gradient(135deg, var(--bg-darker) 0%, rgba(0,243,255,.05) 50%, var(--bg-darker) 100%);
    border-top: 1px solid rgba(0,243,255,.2);
    text-align: center;
}
.post-bottom-cta__inner { max-width: 600px; margin: 0 auto; }
.post-bottom-cta__title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 14px;
}
.post-bottom-cta__text {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    margin-bottom: 28px;
    font-size: .95rem;
}
.post-bottom-cta__actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Btn outline */
.btn--outline {
    background: transparent;
    border: 1px solid rgba(0,243,255,.4);
    color: var(--neon-cyan);
    padding: 12px 28px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: .9rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn--outline:hover {
    background: rgba(0,243,255,.1);
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

/* ========================================
   BLOG & POST — RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .post-layout {
        grid-template-columns: 1fr 280px;
        gap: 28px;
    }
    .post-courses__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .post-related__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 90px 0 30px;
    }
    .blog-hero__title {
        font-size: clamp(1.7rem, 7vw, 2.5rem);
    }
    .blog-hero__stats {
        gap: 20px;
    }
    .blog-hero__stat-n {
        font-size: 1.5rem;
    }
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .blog-card {
        padding: 18px;
    }
    .blog-card__title {
        font-size: 1rem;
    }
    .pagination {
        gap: 6px;
    }
    .pagination__btn {
        padding: 9px 14px;
        font-size: .8rem;
    }
    .pagination__page {
        width: 34px;
        height: 34px;
        font-size: .8rem;
    }

    /* Post */
    .post-hero {
        padding: 90px 0 30px;
    }
    .post-hero__title {
        font-size: clamp(1.4rem, 6vw, 2rem);
    }
    .post-hero__actions {
        flex-direction: column;
    }
    .post-hero__actions .btn {
        text-align: center;
        justify-content: center;
    }
    .post-layout {
        grid-template-columns: 1fr;
    }
    .post-sidebar {
        position: static;
        order: -1;
    }
    .post-inline-cta {
        flex-direction: column;
        text-align: center;
    }
    .post-courses__grid {
        grid-template-columns: 1fr;
    }
    .post-related__grid {
        grid-template-columns: 1fr;
    }
    .post-bottom-cta {
        padding: 50px 0;
    }
    .post-bottom-cta__actions {
        flex-direction: column;
        align-items: center;
    }
    .blog-cta {
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 80px 0 24px;
    }
    .blog-hero__stats {
        gap: 16px;
        flex-wrap: wrap;
    }
    .blog-card {
        padding: 14px;
    }
    .blog-card__top {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        margin-bottom: 8px;
    }
    .post-hero__meta {
        gap: 8px;
    }
    .post-hero__desc {
        font-size: 1rem;
    }
    .post-courses {
        padding: 40px 0;
    }
    .post-courses__grid {
        gap: 12px;
    }
    .post-related {
        padding: 36px 0;
    }
    .post-related__grid {
        gap: 12px;
    }
    .post-sidebar {
        gap: 14px;
    }
    .post-sidebar__card {
        padding: 16px;
    }
}