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

:root {
    --primary: #14b8a6;
    --primary-dark: #0d9488;
    --accent: #06b6d4;
    --highlight: #22d3ee;
    --dark: #0f1419;
    --darker: #070a0d;
    --surface: #1a2332;
    --border: #2d3a4f;
    --text: #f1f5f9;
    --muted: #94a3b8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--darker);
    color: var(--text);
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: inherit;
}

.wrap {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Bar */
.top-bar {
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    padding: 10px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--dark);
}

/* Header */
.main-header {
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.main-header .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 800;
}

.logo span {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    list-style: none;
    gap: 5px;
}

.main-nav a {
    color: var(--muted);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.main-nav a:hover,
.main-nav a.on {
    color: #fff;
    background: var(--surface);
}

/* Hero */
.hero {
    background: radial-gradient(ellipse at top center, rgba(20, 184, 166, 0.12) 0%, transparent 55%);
    padding: 90px 0 70px;
}

.hero-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--surface);
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 18px;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--primary), var(--highlight));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 17px;
    color: var(--muted);
    margin-bottom: 28px;
    max-width: 480px;
}

.hero-visual img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.4), 0 0 80px rgba(20, 184, 166, 0.1);
}

.btn-group {
    display: flex;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(20, 184, 166, 0.3);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--primary);
    background: rgba(20, 184, 166, 0.1);
}

/* Section */
.section {
    padding: 80px 0;
}

.section-head {
    text-align: center;
    margin-bottom: 50px;
}

.section-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.3);
    color: var(--primary);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 10px;
}

.section-desc {
    color: var(--muted);
    font-size: 16px;
    max-width: 520px;
    margin: 0 auto;
}

/* Stats */
.stats-bar {
    background: var(--surface);
    padding: 50px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 40px;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--muted);
    font-size: 14px;
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 22px;
    transition: all 0.4s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.feature-card img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: cover;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--primary);
}

.feature-card p {
    font-size: 13px;
    color: var(--muted);
}

/* Content Split */
.content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-box h2 {
    font-size: 32px;
    margin-bottom: 18px;
}

.content-box p {
    color: var(--muted);
    margin-bottom: 15px;
}

.list-check {
    list-style: none;
    margin: 20px 0;
}

.list-check li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    font-size: 15px;
}

.list-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.content-img img {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border);
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 25px 20px;
    text-align: center;
    position: relative;
}

.step-num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.step-card img {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    object-fit: cover;
    margin: 12px 0;
}

.step-card h4 {
    font-size: 15px;
    margin-bottom: 6px;
}

.step-card p {
    font-size: 12px;
    color: var(--muted);
}

/* Game Grid */
.game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.game-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.game-card:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.game-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.game-card-info {
    padding: 20px;
}

.game-card h4 {
    font-size: 17px;
    margin-bottom: 8px;
}

.game-card p {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}

.game-label {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(20, 184, 166, 0.15);
    color: var(--primary);
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
}

/* Tips Box */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tip-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.tip-num {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.tip-item p {
    font-size: 14px;
    color: var(--muted);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 26px;
    margin-bottom: 14px;
}

.faq-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--primary);
}

.faq-item p {
    font-size: 14px;
    color: var(--muted);
}

/* Page Header */
.page-head {
    background: radial-gradient(ellipse at top, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
    padding: 130px 0 60px;
    text-align: center;
}

.page-head h1 {
    font-size: 42px;
    margin-bottom: 12px;
}

.page-head p {
    color: var(--muted);
    font-size: 17px;
}

/* CTA */
.cta-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 60px 0;
    text-align: center;
}

.cta-bar h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-bar p {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 25px;
}

/* Footer */
.main-footer {
    background: var(--dark);
    padding: 60px 0 25px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 18px;
}

.footer-col p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.8;
}

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

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    font-size: 13px;
    color: var(--muted);
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: #475569;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-row, .content-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero p { margin: 0 auto 28px; }
    .btn-group { justify-content: center; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .game-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .hero h1 { font-size: 32px; }
    .feature-grid, .game-grid, .tips-grid, .steps-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}