@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;800;900&display=swap');

:root {
    --bg-base: #0f172a;
    --bg-secondary: #1e293b;
    --card-bg: #111827;
    
    --accent-orange: #f97316;
    --accent-yellow: #facc15;
    --accent-blue: #38bdf8;
    --accent-green: #22c55e;
    --accent-pink: #fb7185;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5f5;
    --text-muted: #94a3b8;
    
    --gradient-primary: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow), var(--accent-blue));
    --gradient-glow: linear-gradient(135deg, rgba(249, 115, 22, 0.5), rgba(56, 189, 248, 0.5));
    
    --space-desktop: 90px;
    --space-tablet: 60px;
    --space-mobile: 40px;
    
    --radius-sm: 12px;
    --radius-md: 24px;
    --radius-pill: 50px;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 4px 10px rgba(0,0,0,0.3);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

a {
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1.125rem;
    font-weight: 800;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-base);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(250, 204, 21, 0.6);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    color: var(--bg-base);
    transform: translateY(-3px);
}

/* Floating Header */
.header-wrapper {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: rgba(30, 41, 59, 0.75);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--accent-yellow);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    font-weight: 600;
    position: relative;
    padding: 8px 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 5px;
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Sections & Layout */
section {
    padding: var(--space-desktop) 20px;
    position: relative;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    background-image: radial-gradient(circle at top right, rgba(56, 189, 248, 0.15), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(249, 115, 22, 0.15), transparent 40%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    animation: fadeUp 0.8s ease-out forwards;
}

.hero-badges {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    color: var(--accent-yellow);
    margin-bottom: 20px;
    border: 1px solid rgba(250, 204, 21, 0.3);
}

.hero-image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-image {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 4px solid var(--bg-secondary);
}

/* Wave Divider */
.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.wave-divider .shape-fill {
    fill: var(--bg-secondary);
}

/* Game Section */
.game-section {
    background: var(--bg-secondary);
    text-align: center;
    padding-bottom: calc(var(--space-desktop) + 40px);
}

.game-header {
    margin-bottom: 40px;
}

.game-container {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    padding: 8px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    box-shadow: 0 0 40px rgba(56, 189, 248, 0.3);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.game-container:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(0deg) scale(1.01);
    box-shadow: 0 0 60px rgba(249, 115, 22, 0.5);
}

.game-iframe-wrapper {
    background: var(--card-bg);
    border-radius: calc(var(--radius-md) - 4px);
    overflow: hidden;
    height: 650px;
    position: relative;
}

.game-iframe-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: calc(var(--radius-md) - 4px);
}

/* Features Section */
.features {
    background: var(--bg-base);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(255,255,255,0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-10px) rotate(1deg);
    border-color: var(--accent-orange);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.feature-card h3, .feature-card p {
    position: relative;
    z-index: 1;
}

/* How to Play Section */
.how-to-play {
    background: var(--bg-secondary);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 60px;
    position: relative;
}

.step-card {
    flex: 1;
    text-align: center;
    padding: 20px;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0 auto 20px;
    color: var(--bg-base);
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.4);
}

.steps-line {
    position: absolute;
    top: 50px;
    left: 10%;
    right: 10%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    z-index: 1;
}

/* Internal Page Styles */
.page-header {
    padding: 160px 20px 60px;
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.page-content {
    padding: 60px 20px;
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    margin-top: -30px;
    position: relative;
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    margin-bottom: 60px;
}

.page-content h2 {
    text-align: left;
    color: var(--accent-blue);
    margin-top: 30px;
}

.page-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--text-secondary);
}

.page-content li {
    margin-bottom: 10px;
}

/* Footer */
footer {
    background: var(--card-bg);
    padding: 60px 20px 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-brand p {
    margin-top: 20px;
    max-width: 300px;
}

.footer-links h4 {
    color: var(--accent-yellow);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: var(--accent-orange);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
}

.disclaimer-box {
    background: rgba(255,255,255,0.03);
    padding: 20px;
    border-radius: var(--radius-sm);
    margin-top: 30px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.disclaimer-box p {
    font-size: 0.9rem;
    margin: 0;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

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

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Responsive */
@media (max-width: 992px) {
    section { padding: var(--space-tablet) 20px; }
    .hero { min-height: auto; padding-top: 150px; padding-bottom: 80px; }
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-brand p { margin: 20px auto; }
    .steps-container { flex-direction: column; align-items: center; gap: 40px; }
    .steps-line { display: none; }
    .game-iframe-wrapper { height: 500px; }
}

@media (max-width: 768px) {
    section { padding: var(--space-mobile) 20px; }
    .menu-toggle { display: block; }
    .nav-links {
        position: fixed;
        top: 80px;
        left: 5%;
        width: 90%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 30px;
        border-radius: var(--radius-md);
        box-shadow: 0 20px 50px rgba(0,0,0,0.5);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }
    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .nav-actions { display: none; }
    .game-iframe-wrapper { height: 400px; }
}