/* ==========================================
   PIKACHU COIN - CARTOON STYLE REBUILD
   Modern CSS with Cartoon Aesthetics
   ========================================== */

/* CSS Variables for Cartoon Theme */
:root {
    /* Cartoon Color Palette */
    --pikachu-yellow: #FFD700;
    --electric-blue: #00BFFF;
    --battle-red: #FF4757;
    --grass-green: #2ED573;
    --water-blue: #3742FA;
    --fire-orange: #FF6348;
    --purple-magic: #A55EEA;
    --pink-cute: #FF6B9D;
    
    /* Gradient Backgrounds */
    --gradient-sunset: linear-gradient(135deg, #FF6B9D, #FF8E9B, #FFD700, #FF9F43);
    --gradient-ocean: linear-gradient(135deg, #00D2D3, #54A0FF, #5F27CD, #341F97);
    --gradient-forest: linear-gradient(135deg, #2ED573, #7BED9F, #FFD700, #FF9F43);
    --gradient-fire: linear-gradient(135deg, #FF4757, #FF6348, #FFD700, #FF9F43);
    
    /* Shadows and Effects */
    --cartoon-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    --glow-effect: 0 0 20px rgba(255, 215, 0, 0.5);
    --bounce-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --cartoon-font: 'Comic Sans MS', '幼圆', 'Microsoft YaHei', cursive;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--cartoon-font);
    background: var(--gradient-sunset);
    background-size: 400% 400%;
    animation: gradientFlow 20s ease infinite;
    color: #2C3E50;
    overflow-x: hidden;
    line-height: 1.6;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    25% { background-position: 100% 50%; }
    50% { background-position: 100% 100%; }
    75% { background-position: 0% 100%; }
}

/* Animated Background Elements */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/battle-arena.webp') center/cover no-repeat;
    opacity: 0.1;
    z-index: -1;
    animation: backgroundFloat 30s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

/* Navigation - Cartoon Style */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 3px solid var(--pikachu-yellow);
    box-shadow: var(--cartoon-shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--pikachu-yellow);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.1) rotate(-2deg);
    color: var(--electric-blue);
}

.nav-link {
    font-weight: 600;
    color: #2C3E50 !important;
    margin: 0 10px;
    padding: 10px 15px !important;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    background: var(--pikachu-yellow);
    color: #2C3E50 !important;
    transform: translateY(-3px);
    box-shadow: var(--cartoon-shadow);
}

/* Hero Section - Epic Cartoon Style */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-ocean);
    margin-top: 76px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-pikachu-battle.webp') center/cover no-repeat;
    opacity: 0.2;
    z-index: 0;
    animation: heroFloat 15s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.05) rotate(1deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.5);
    animation: titleBounce 2s ease-in-out infinite;
}

@keyframes titleBounce {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--pikachu-yellow);
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5), 0 0 20px var(--pikachu-yellow); }
    50% { text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5), 0 0 30px var(--pikachu-yellow), 0 0 40px var(--pikachu-yellow); }
}

/* Cartoon Cards - Unique Color System */
.cartoon-card {
    background: white;
    border-radius: 30px;
    padding: 2.5rem;
    box-shadow: var(--bounce-shadow);
    border: 4px solid transparent;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    margin: 20px 0;
}

.cartoon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-sunset);
    z-index: 1;
}

.cartoon-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* Card Color Variations */
.card-yellow { border-color: var(--pikachu-yellow); }
.card-blue { border-color: var(--electric-blue); }
.card-red { border-color: var(--battle-red); }
.card-green { border-color: var(--grass-green); }
.card-purple { border-color: var(--purple-magic); }
.card-pink { border-color: var(--pink-cute); }

/* Stats Cards with Gradient Backgrounds */
.stat-card {
    background: var(--gradient-sunset);
    border-radius: 25px;
    padding: 2rem;
    text-align: center;
    color: white;
    box-shadow: var(--bounce-shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    margin: 15px;
}

.stat-card:nth-child(2) { background: var(--gradient-ocean); }
.stat-card:nth-child(3) { background: var(--gradient-forest); }
.stat-card:nth-child(4) { background: var(--gradient-fire); }

.stat-card:hover {
    transform: translateY(-20px) rotateY(10deg) scale(1.05);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2.5rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    animation: iconSpin 4s linear infinite;
}

@keyframes iconSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    opacity: 0.9;
}

/* Buttons - Cartoon Style */
.btn-cartoon {
    background: var(--gradient-sunset);
    border: none;
    border-radius: 25px;
    padding: 15px 30px;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: var(--cartoon-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-cartoon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-cartoon:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--bounce-shadow);
}

/* Section Styling */
.section-title {
    font-size: 3rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 3rem;
    color: white;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--pikachu-yellow);
    border-radius: 2px;
    animation: titleUnderline 2s ease-in-out infinite;
}

@keyframes titleUnderline {
    0%, 100% { width: 100px; }
    50% { width: 200px; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .cartoon-card {
        padding: 1.5rem;
        margin: 10px 0;
    }
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--gradient-sunset);
}

::-webkit-scrollbar-thumb {
    background: var(--pikachu-yellow);
    border-radius: 6px;
    border: 2px solid white;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--electric-blue);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-sunset);
    color: white;
    border: 3px solid white;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--cartoon-shadow);
    transition: all 0.3s ease;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: scale(0);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.back-to-top:hover {
    transform: scale(1.1) rotate(360deg);
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.5);
}

.back-to-top:active {
    transform: scale(0.95);
}

/* Price Display Styling */
#current-price, #price-change {
    color: #2C3E50 !important;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.text-muted {
    color: #6c757d !important;
    font-weight: 600;
}

.stat-value {
    color: #2C3E50 !important;
    font-weight: 700;
}

.stat-label {
    color: #6c757d !important;
    font-weight: 600;
}

/* Chart Container Responsive Styling */
.chart-container {
    width: 100%;
    height: 400px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--cartoon-shadow);
    background: white;
    padding: 10px;
}

.chart-container iframe {
    width: 100% !important;
    height: 100% !important;
    border: none;
    border-radius: 10px;
}

/* Mobile responsive chart */
@media (max-width: 768px) {
    .chart-container {
        height: 300px;
        margin: 10px 0;
    }
}

@media (max-width: 576px) {
    .chart-container {
        height: 250px;
        padding: 5px;
    }
}

/* Roadmap Timeline Styling */
.roadmap-section {
    background: transparent;
    position: relative;
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--pikachu-yellow), var(--electric-blue), var(--grass-green), var(--fire-orange), var(--purple-magic));
    transform: translateX(-50%);
    border-radius: 2px;
}

.roadmap-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
}

.roadmap-item:nth-child(odd) {
    justify-content: flex-start;
}

.roadmap-item:nth-child(even) {
    justify-content: flex-end;
}

.roadmap-marker {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--pikachu-yellow);
    border: 4px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    box-shadow: var(--cartoon-shadow);
}

.roadmap-marker.completed {
    background: var(--grass-green);
    animation: pulse 2s infinite;
}

.roadmap-marker.active {
    background: var(--electric-blue);
    animation: pulse 2s infinite;
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.5);
}

.roadmap-content {
    width: 45%;
    position: relative;
}

.roadmap-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--cartoon-shadow);
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.roadmap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-sunset);
}

.roadmap-card.active {
    border-color: var(--electric-blue);
    transform: scale(1.02);
}

.roadmap-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.roadmap-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.roadmap-badge.completed {
    background: linear-gradient(135deg, var(--grass-green), #27ae60);
    color: white;
}

.roadmap-badge.active {
    background: linear-gradient(135deg, var(--electric-blue), #3498db);
    color: white;
    animation: glow 2s infinite alternate;
}

.roadmap-badge:not(.completed):not(.active) {
    background: linear-gradient(135deg, var(--pink-cute), var(--purple-magic));
    color: white;
}

.roadmap-card h4 {
    color: var(--pikachu-yellow);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.roadmap-card ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.roadmap-card li {
    padding: 0.5rem 0;
    color: #2C3E50;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.roadmap-card li i {
    margin-right: 0.8rem;
    color: var(--grass-green);
    font-size: 1.1rem;
}

.roadmap-card li i.fa-circle {
    color: var(--pink-cute);
}

/* Mobile Responsive Roadmap */
@media (max-width: 768px) {
    .roadmap-timeline::before {
        left: 30px;
    }
    
    .roadmap-item {
        justify-content: flex-start !important;
        padding-left: 60px;
    }
    
    .roadmap-marker {
        left: 30px;
    }
    
    .roadmap-content {
        width: 100%;
    }
    
    .roadmap-card {
        padding: 1.5rem;
    }
    
    .roadmap-card h4 {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .roadmap-item {
        padding-left: 50px;
    }
    
    .roadmap-marker {
        left: 25px;
        width: 16px;
        height: 16px;
    }
    
    .roadmap-timeline::before {
        left: 25px;
        width: 3px;
    }
    
    .roadmap-card {
        padding: 1rem;
    }
}

/* Animations */
@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes glow {
    from {
        box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
    }
    to {
        box-shadow: 0 0 20px rgba(0, 191, 255, 0.6);
    }
}

/* CTA Section Styling */
.cta-section {
    background: transparent;
    position: relative;
}

.cta-card {
    background: white;
    border-radius: 25px;
    padding: 3rem 2rem;
    box-shadow: var(--cartoon-shadow);
    border: 3px solid var(--pikachu-yellow);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--gradient-sunset);
}

.cta-title {
    color: var(--pikachu-yellow);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-description {
    color: #2C3E50;
    font-size: 1.1rem;
    font-weight: 500;
}

.cta-card .btn {
    background: var(--gradient-sunset);
    border: none;
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.cta-card .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(255, 215, 0, 0.4);
    color: white;
}

/* Footer Improvements */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 3px solid var(--pikachu-yellow);
}

.footer-brand h5 {
    color: var(--pikachu-yellow);
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-title {
    color: var(--pikachu-yellow);
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #2C3E50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--pikachu-yellow);
}

.contract-address-footer {
    background: var(--gradient-sunset);
    color: white;
    padding: 0.8rem 1rem;
    border-radius: 15px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    word-break: break-all;
    margin-bottom: 1rem;
    box-shadow: var(--cartoon-shadow);
}

.footer .btn {
    background: var(--pikachu-yellow);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer .btn:hover {
    background: var(--electric-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 191, 255, 0.3);
}