/* ===== CSS VARIABLES ===== */
:root {
    --color-black: #000000;
    --color-dark-red: #3D0000;
    --color-blood-red: #950101;
    --color-pure-red: #FF0000;
    --color-white: #FFFFFF;
    
    --shadow-glow: 0 0 20px rgba(255, 0, 0, 0.3);
    --shadow-intense: 0 0 30px rgba(255, 0, 0, 0.5);
    --shadow-subtle: 0 0 10px rgba(61, 0, 0, 0.4);
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
/* Optimize animations and transitions */
.animated, .transition, .hover-effect {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Optimize font rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Optimize images */
img {
    max-width: 100%;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Logo image optimization */
.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* High-DPI display optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Optimize critical rendering path */
.critical-content {
    contain: layout style paint;
}

/* Optimize animations for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== SMOOTH SCROLLING ===== */
html {
    scroll-behavior: smooth;
}

/* ===== ANCHOR LINK STYLING ===== */
a[href^="#"] {
    cursor: pointer;
    transition: all 0.3s ease;
}

a[href^="#"]:hover {
    color: var(--color-pure-red);
}

/* Ensure sections have proper scroll margin for fixed header */
section[id] {
    scroll-margin-top: 100px;
}

/* ===== SMOOTH SCROLLING ANIMATIONS ===== */
@keyframes sectionHighlight {
    0% {
        background-color: transparent;
    }
    50% {
        background-color: rgba(255, 0, 0, 0.1);
    }
    100% {
        background-color: transparent;
    }
}

/* ===== HEADER STYLES (Non-critical) ===== */
/* Mobile menu styles */
.nav-menu.active {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    gap: 1.5rem;
    border-top: 2px solid var(--color-blood-red);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===== HERO SECTION ENHANCEMENTS ===== */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 0, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* ===== V3 GAME INTRODUCTION SECTION ===== */
.v3-intro {
    padding: 5rem 0;
    background: var(--color-black);
    position: relative;
}

.v3-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--color-dark-red) 0%, transparent 50%, var(--color-dark-red) 100%);
    opacity: 0.1;
}

.v3-intro-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.v3-intro h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--color-white);
    text-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

.v3-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--color-white);
}

.v3-intro .highlight {
    color: var(--color-pure-red);
    font-weight: bold;
}

/* ===== REGISTRATION STEPS SECTION ===== */
.registration-steps {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-dark-red) 0%, var(--color-black) 100%);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    background: rgba(0, 0, 0, 0.7);
    padding: 2.5rem;
    border-radius: 15px;
    border: 2px solid var(--color-blood-red);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 0, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.step:hover {
    transform: translateY(-10px);
    border-color: var(--color-pure-red);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.2);
}

.step-number {
    background: var(--color-blood-red);
    color: var(--color-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.step p {
    color: var(--color-white);
    line-height: 1.6;
}

.step-icon {
    font-size: 2rem;
    color: var(--color-pure-red);
    margin-bottom: 1rem;
}

/* ===== GAMES SECTION ===== */
.games-section {
    padding: 5rem 0;
    background: var(--color-black);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.game-card {
    background: linear-gradient(145deg, var(--color-dark-red), var(--color-black));
    border-radius: 15px;
    padding: 2rem;
    border: 2px solid var(--color-blood-red);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 0, 0, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.game-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-pure-red);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.3);
}

.game-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--color-white);
    text-align: center;
}

.game-card p {
    color: var(--color-white);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.game-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.game-features li {
    color: var(--color-white);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.game-features li::before {
    content: '▶';
    color: var(--color-pure-red);
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

.game-card .btn {
    width: 100%;
    text-align: center;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-red) 100%);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--color-white);
    text-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

.about-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.about-item {
    background: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--color-blood-red);
    transition: all 0.3s ease;
}

.about-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-pure-red);
    box-shadow: 0 15px 30px rgba(255, 0, 0, 0.2);
}

.about-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.about-item p {
    color: var(--color-white);
    line-height: 1.6;
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 5rem 0;
    background: var(--color-black);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: linear-gradient(145deg, var(--color-dark-red), var(--color-black));
    border-radius: 15px;
    padding: 2.5rem;
    border: 2px solid var(--color-blood-red);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 0, 0, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-pure-red);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.3);
}

.feature-icon {
    font-size: 3rem;
    color: var(--color-pure-red);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.feature-card p {
    color: var(--color-white);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-dark-red) 0%, var(--color-black) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-method {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--color-blood-red);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
    border-color: var(--color-pure-red);
    box-shadow: 0 15px 30px rgba(255, 0, 0, 0.2);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--color-pure-red);
    margin-bottom: 1rem;
}

.contact-method h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.contact-method p {
    color: var(--color-white);
    line-height: 1.6;
}

.contact-form {
    background: rgba(0, 0, 0, 0.7);
    padding: 3rem;
    border-radius: 15px;
    border: 2px solid var(--color-blood-red);
    margin-top: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-white);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-dark-red);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-pure-red);
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER STYLES ===== */
.footer {
    background: var(--color-black);
    border-top: 3px solid var(--color-blood-red);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--color-white);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: var(--color-white);
    text-decoration: none;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--color-pure-red);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-blood-red);
    color: var(--color-white);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--color-pure-red);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--color-dark-red);
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-white);
}

.newsletter-form button {
    padding: 0.75rem 1.5rem;
    background: var(--color-blood-red);
    color: var(--color-white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-form button:hover {
    background: var(--color-pure-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-dark-red);
    color: var(--color-white);
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-blood-red);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(149, 1, 1, 0.4);
    opacity: 0;
    transform: translateY(20px);
}

.scroll-to-top:hover {
    background: var(--color-pure-red);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255, 0, 0, 0.6);
}

.scroll-to-top:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3), 0 4px 20px rgba(149, 1, 1, 0.4);
}

.scroll-to-top.show {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top i {
    transition: transform 0.3s ease;
}

.scroll-to-top:hover i {
    transform: translateY(-2px);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .scroll-to-top {
        border: 2px solid var(--color-white);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .scroll-to-top {
        transition: none;
    }
    
    .scroll-to-top:hover {
        transform: none;
    }
    
    .scroll-to-top:hover i {
        transform: none;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* ===== END OF STYLES ===== */