/*
 * Modern 3D Effects & Animations for Blog Corner
 * Inspired by Gemini 3 aesthetic
 */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --neon-blue: #00d4ff;
    --neon-purple: #a855f7;
    --neon-pink: #ec4899;
    --neon-green: #10b981;
    --dark-bg: #0a0a0f;
    --card-bg: rgba(17, 17, 27, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --shadow-color: rgba(0, 212, 255, 0.5);
    --glow-intensity: 20px;
}

/* Animated background */
.animated-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    overflow: hidden;
}

.animated-background::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10%, -10%); }
}

.background-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-blue);
    animation: float 20s infinite;
    opacity: 0.6;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 15s; }
.particle:nth-child(2) { left: 30%; top: 60%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 50%; top: 40%; animation-delay: 4s; animation-duration: 20s; }
.particle:nth-child(4) { left: 70%; top: 80%; animation-delay: 1s; animation-duration: 22s; }
.particle:nth-child(5) { left: 90%; top: 30%; animation-delay: 3s; animation-duration: 17s; }
.particle:nth-child(6) { left: 15%; top: 70%; animation-delay: 5s; animation-duration: 19s; }
.particle:nth-child(7) { left: 85%; top: 50%; animation-delay: 6s; animation-duration: 21s; }
.particle:nth-child(8) { left: 45%; top: 10%; animation-delay: 2.5s; animation-duration: 16s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    25% { transform: translate(50px, -50px) scale(1.2); opacity: 0.8; }
    50% { transform: translate(-30px, -100px) scale(0.8); opacity: 0.4; }
    75% { transform: translate(-60px, -50px) scale(1.1); opacity: 0.7; }
}

.grid-background {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

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

/* 3D wheel shared styles */
.category-wheel-container {
    perspective: 1500px;
    height: 600px;
    position: relative;
    margin: 80px auto;
    max-width: 1200px;
}

.category-wheel {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.wheel-card {
    position: absolute;
    width: 320px;
    height: 420px;
    left: 50%;
    top: 50%;
    margin-left: -160px;
    margin-top: -210px;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 32px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(0, 212, 255, 0.2);
    transition: all 0.5s ease;
    cursor: pointer;
    transform-style: preserve-3d;
}

.wheel-card:hover {
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 60px var(--shadow-color);
    border-color: var(--neon-blue);
    transform: translateZ(30px) scale(1.05);
}

.wheel-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.wheel-card-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
    transform: translateZ(40px);
    transition: transform 0.3s;
}

.wheel-card:hover .wheel-card-icon {
    transform: translateZ(60px) rotateY(180deg);
}

.wheel-card-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff, var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.wheel-card-description {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
    margin-bottom: 20px;
}

.wheel-card-stats {
    display: flex;
    justify-content: space-around;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.wheel-card-stat {
    text-align: center;
}

.wheel-card-stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.wheel-card-stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.wheel-nav {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 10;
}

.wheel-nav-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-primary);
    font-size: 24px;
}

.wheel-nav-btn:hover {
    background: var(--neon-blue);
    border-color: var(--neon-blue);
    box-shadow: 0 0 30px var(--neon-blue);
    transform: scale(1.1);
}

.btn-3d {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 10px 30px rgba(0, 212, 255, 0.4),
        0 0 20px rgba(0, 212, 255, 0.2);
    text-decoration: none;
}

.btn-3d:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow:
        0 20px 50px rgba(0, 212, 255, 0.6),
        0 0 40px rgba(0, 212, 255, 0.4);
}

.btn-3d:active {
    transform: translateY(-2px) scale(1.02);
}

.btn-3d-pulse {
    animation: btnPulse 2s infinite;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4), 0 0 20px rgba(0, 212, 255, 0.2); }
    50% { box-shadow: 0 10px 40px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 212, 255, 0.4); }
}

.modern-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    border-color: var(--neon-blue);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(0, 212, 255, 0.3);
}

.modern-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 20px;
    transition: transform 0.4s;
}

.modern-card:hover .modern-card-image {
    transform: scale(1.08) translateZ(20px);
}

.modern-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff, var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modern-card-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.post-card-3d {
    position: relative;
    background: var(--card-bg);
    border-radius: 24px;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
}

.post-card-3d:hover {
    transform: translateY(-15px) rotateX(5deg) rotateY(-5deg);
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.5),
        0 0 50px rgba(168, 85, 247, 0.3);
    border-color: var(--neon-purple);
}

.post-card-3d-image {
    width: 100%;
    height: 260px;
    object-fit: cover;
    transition: transform 0.5s;
}

.post-card-3d:hover .post-card-3d-image {
    transform: scale(1.1);
}

.post-card-3d-content {
    padding: 28px;
    position: relative;
    z-index: 1;
}

.post-card-3d-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--neon-blue);
    text-decoration: none;
    transition: all 0.3s;
}

.post-card-3d-read-more:hover {
    gap: 12px;
    text-shadow: 0 0 10px var(--neon-blue);
}

.neon-text {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 40px var(--neon-blue);
    animation: neonFlicker 3s infinite alternate;
}

@keyframes neonFlicker {
    0%, 100% { text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 40px var(--neon-blue); }
    50% { text-shadow: 0 0 5px var(--neon-blue), 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue); }
}

.gradient-text-animated {
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple), var(--neon-pink), var(--neon-blue));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 3s linear infinite;
}

@keyframes gradientFlow {
    to { background-position: 200% center; }
}

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.loading-spinner-3d {
    width: 60px;
    height: 60px;
    margin: 40px auto;
    position: relative;
    transform-style: preserve-3d;
    animation: spin3d 2s linear infinite;
}

.loading-spinner-3d::before,
.loading-spinner-3d::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: var(--neon-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner-3d::after {
    border-top-color: var(--neon-purple);
    animation-delay: 0.5s;
}

@keyframes spin3d { 0% { transform: rotateX(0deg) rotateY(0deg); } 100% { transform: rotateX(360deg) rotateY(360deg); } }
@keyframes spin { to { transform: rotate(360deg); } }

[data-scroll-animation] {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-scroll-animation].animate-in { opacity: 1; transform: translateY(0); }
[data-scroll-animation]:nth-child(1) { transition-delay: 0.1s; }
[data-scroll-animation]:nth-child(2) { transition-delay: 0.2s; }
[data-scroll-animation]:nth-child(3) { transition-delay: 0.3s; }
[data-scroll-animation]:nth-child(4) { transition-delay: 0.4s; }
[data-scroll-animation]:nth-child(5) { transition-delay: 0.5s; }
[data-scroll-animation]:nth-child(6) { transition-delay: 0.6s; }

.cursor-trail {
    position: fixed;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-blue);
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: screen;
    animation: cursorFade 0.5s forwards;
    box-shadow: 0 0 20px var(--neon-blue);
}

@keyframes cursorFade { to { opacity: 0; transform: scale(2); } }

@media (max-width: 768px) {
    .category-wheel-container { height: 500px; }
    .wheel-card { width: 280px; height: 380px; margin-left: -140px; margin-top: -190px; }
    .btn-3d { padding: 14px 32px; font-size: 16px; }
}

.reduced-motion *, .reduced-motion *::before, .reduced-motion *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
.reduced-motion .particle, .reduced-motion .cursor-trail { animation: none !important; }
.reduced-motion .animated-background::before { animation: none !important; }