/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #0e0e1a;
    --surface: #151528;
    --surface-hover: #1e1e3a;
    --text-primary: #f0f0f5;
    --text-secondary: #a8a8c8;
    --accent: #00d4ff;
    --accent-hover: #00b3e6;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --accent-glow-soft: rgba(0, 212, 255, 0.1);
    --border: #2a2a45;
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 60px rgba(0, 212, 255, 0.15);
    --radius: 16px;
    --radius-lg: 28px;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --header-height: 72px;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}
h1 {
    font-size: 3.4rem;
    background: linear-gradient(135deg, #ffffff 30%, var(--accent) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.2rem;
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(0,212,255,0.2)); }
    50% { filter: drop-shadow(0 0 30px rgba(0,212,255,0.4)); }
}
h2 {
    font-size: 2.4rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}
h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    border-radius: 2px;
}
h3 { font-size: 1.3rem; color: var(--text-primary); margin-bottom: 0.8rem; }
p { color: var(--text-secondary); margin-bottom: 1rem; }

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-body);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    background: transparent;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent), #7b2fbe);
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: 50px;
    z-index: -1;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #7b2fbe);
    color: #0a0a12;
    box-shadow: 0 0 30px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 0 50px var(--accent-glow);
}
.btn-outline {
    border: 2px solid var(--border);
    color: var(--text-primary);
    background: rgba(255,255,255,0.02);
    backdrop-filter: blur(4px);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--accent-glow-soft);
}
.btn-lg { padding: 18px 44px; font-size: 1.05rem; }

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 18, 0.85);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    height: var(--header-height);
    transition: background var(--transition);
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.logo img { display: block; filter: drop-shadow(0 0 8px rgba(0,212,255,0.3)); }
.main-nav .nav-list {
    display: flex;
    gap: 2.4rem;
    align-items: center;
}
.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.4rem 0;
    transition: color var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--text-primary);
}
.main-nav a.active::after,
.main-nav a:hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), #7b2fbe);
    border-radius: 2px;
    box-shadow: 0 0 12px var(--accent-glow);
}
.header-actions { display: flex; gap: 1rem; }
.header-actions .btn { padding: 8px 22px; font-size: 0.85rem; }
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.hamburger .bar {
    width: 26px;
    height: 2.5px;
    background: var(--text-primary);
    transition: all var(--transition);
    border-radius: 2px;
}
.hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ===== Hero ===== */
.hero {
    padding: 120px 0 100px;
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at 20% 30%, #1a1a3e, var(--bg-primary) 70%);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 80% 20%, rgba(0,212,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(123,47,190,0.08) 0%, transparent 50%);
    z-index: 0;
}
.hero::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    filter: blur(100px);
    opacity: 0.3;
    animation: heroGlow 6s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    0% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    100% { transform: translate(-40px, 40px) scale(1.2); opacity: 0.5; }
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}
.hero h1 {
    font-size: 4.2rem;
    line-height: 1.1;
}
.hero p {
    font-size: 1.25rem;
    margin: 1.8rem 0 2.5rem;
    color: rgba(255,255,255,0.8);
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.hero-buttons { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.hero-buttons .btn { min-width: 170px; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-secondary); }

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.feature-card {
    background: rgba(21, 21, 40, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.06);
    transition: all var(--transition);
    text-align: center;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-glow-soft), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow), var(--shadow);
}
.feature-card .icon {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    display: block;
}
.feature-card h3 { font-family: var(--font-heading); font-size: 1.1rem; }
.feature-card p { font-size: 0.95rem; }

/* ===== Games Grid ===== */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}
.game-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
}
.game-card:hover {
    border-color: var(--accent);
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow);
}
.game-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: var(--bg-secondary);
    transition: transform var(--transition);
}
.game-card:hover img { transform: scale(1.05); }
.game-card .info { padding: 1rem; }
.game-card .info h4 { font-family: var(--font-heading); font-size: 0.95rem; }
.game-card .info p { font-size: 0.85rem; margin: 0; }

/* ===== App Showcase ===== */
.app-showcase {
    display: flex;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}
.app-showcase .app-image { flex: 1 1 280px; text-align: center; }
.app-showcase .app-image img {
    max-height: 400px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow), 0 0 60px var(--accent-glow-soft);
    transition: transform var(--transition);
}
.app-showcase .app-image img:hover { transform: scale(1.03); }
.app-showcase .app-content { flex: 1 1 400px; }

/* ===== Auth Cards ===== */
.auth-card {
    max-width: 440px;
    margin: 40px auto;
    background: rgba(21, 21, 40, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: var(--shadow), var(--shadow-glow);
}
.auth-card h1 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 0.5rem;
    background: none;
    -webkit-text-fill-color: var(--text-primary);
}
.auth-card .sub { text-align: center; margin-bottom: 2rem; }
.auth-card label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.auth-card input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(0,0,0,0.3);
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1.2rem;
    transition: border var(--transition), box-shadow var(--transition);
}
.auth-card input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow-soft);
}
.auth-card .btn { width: 100%; margin-top: 0.5rem; }
.auth-card .extra-links {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
}
.auth-card .extra-links a { color: var(--accent); }

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 60px 0 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}
.footer-brand p { font-size: 0.95rem; max-width: 300px; opacity: 0.8; }
.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}
.footer-links ul li { margin-bottom: 0.6rem; }
.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
    margin-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 3rem; }
    .app-showcase { flex-direction: column; text-align: center; }
}
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        padding: 1.5rem 0;
    }
    .main-nav.active { display: block; }
    .main-nav .nav-list {
        flex-direction: column;
        gap: 1.2rem;
        align-items: center;
    }
    .header-actions { display: none; }
    .header-actions.mobile-show {
        display: flex;
        flex-direction: column;
        gap: 0.6rem;
        margin-top: 1rem;
        align-items: center;
    }
    .hamburger { display: flex; }
    .hero { padding: 80px 0 60px; min-height: 60vh; }
    .hero h1 { font-size: 2.4rem; }
    .hero p { font-size: 1rem; }
    .hero-buttons .btn { min-width: 140px; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .games-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .auth-card { padding: 1.5rem; margin: 20px auto; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .section { padding: 50px 0; }
    h2 { font-size: 1.8rem; }
}
@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .hero-buttons .btn { width: 100%; text-align: center; }
}
/* ===== FAQ Accordion ===== */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: rgba(21, 21, 40, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    text-align: left;
}
.faq-question:hover {
    background: rgba(0,212,255,0.05);
}
.faq-question .faq-icon {
    font-size: 1.4rem;
    font-weight: 300;
    transition: transform var(--transition);
    color: var(--accent);
}
.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    padding: 0 1.5rem;
    color: var(--text-secondary);
}
.faq-answer p {
    margin: 0 0 1.2rem 0;
}
.faq-answer a {
    color: var(--accent);
}
.faq-answer a:hover {
    color: var(--accent-hover);
}
.faq-item.active .faq-answer {
    max-height: 300px; /* adjust as needed */
    padding: 0 1.5rem 1.2rem 1.5rem;
}