/* Goa Games Hack - Main Stylesheet */
/* Optimized for performance, accessibility, and SEO */

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --gold-color: #ffd700;
    --text-light: #ffffff;
    --text-dark: #333333;
    --gradient-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: var(--gradient-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--gradient-bg);
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.animated-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,215,0,0.3)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,215,0,0.2)"/><circle cx="40" cy="80" r="1" fill="rgba(255,215,0,0.4)"/></svg>') repeat;
    animation: sparkle 15s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes sparkle {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(-100px) translateY(-100px); }
}

/* Header */
.header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--gold-color);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 0 10px var(--gold-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--gold-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-color);
    transition: var(--transition);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero-logo {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-img {
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 4px 15px rgba(255, 215, 0, 0.3));
    transition: var(--transition);
    animation: logoFloat 3s ease-in-out infinite;
}

.hero-logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 20px rgba(255, 215, 0, 0.5));
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--gold-color), #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 20px rgba(255, 215, 0, 0.5); }
    to { text-shadow: 0 0 30px rgba(255, 215, 0, 0.8); }
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Login/Register Section */
.auth-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 3rem;
    margin: 3rem 0;
    border: 1px solid rgba(255, 215, 0, 0.2);
    box-shadow: var(--shadow);
}

.auth-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--gold-color);
    font-size: 2.5rem;
}

.auth-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.auth-btn {
    background: linear-gradient(45deg, var(--gold-color), #ffed4e);
    color: var(--text-dark);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    box-shadow: var(--shadow);
    cursor: pointer;
    min-width: 150px;
    text-align: center;
}

.auth-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
    color: var(--text-dark);
    text-decoration: none;
}

.auth-btn:focus {
    outline: 3px solid rgba(255, 215, 0, 0.5);
    outline-offset: 2px;
}

/* Content Sections */
.content-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.content-section h2 {
    color: var(--gold-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.content-section h3 {
    color: var(--gold-color);
    margin: 1.5rem 0 1rem 0;
    font-size: 1.5rem;
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-section ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    color: var(--gold-color);
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(26, 26, 46, 0.98);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-logo-img {
        max-width: 320px;
    }

    .auth-buttons {
        flex-direction: column;
        align-items: center;
    }

    .main-content {
        padding: 1rem;
    }

    .auth-section {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-logo-img {
        max-width: 280px;
    }

    .auth-section h2 {
        font-size: 2rem;
    }

    .nav-container {
        padding: 0 1rem;
    }
}

/* Accessibility Features */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #000000;
        --accent-color: #000000;
        --text-light: #ffffff;
        --text-dark: #000000;
    }
}

/* Focus indicators for keyboard navigation */
*:focus {
    outline: 2px solid var(--gold-color);
    outline-offset: 2px;
}

/* Skip to content link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--gold-color);
    color: var(--text-dark);
    padding: 8px;
    text-decoration: none;
    z-index: 1001;
    border-radius: 4px;
}

.skip-link:focus {
    top: 6px;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 215, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--gold-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Error states */
.error {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 107, 107, 0.3);
    margin: 1rem 0;
}

/* Success states */
.success {
    color: #51cf66;
    background: rgba(81, 207, 102, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(81, 207, 102, 0.3);
    margin: 1rem 0;
}