/* Game promo styles - light theme */
:root{
  --accent:#e94e3a; /* warm CTA */
  --accent-2:#ffb86b;
  --muted:#596270; /* slightly darker muted */
  --bg:#e8eef6; /* soft blue-gray background (not too white) */
  --card:#ffffff; /* cards white */
  --glass: rgba(15,23,36,0.04);
  --max-width:1200px;
}

/* make box sizing predictable */
*, *:before, *:after{box-sizing:border-box}

body{
  font-family: "Inter", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  background:var(--bg);
  color:#0f1724;
  margin:0;
  -webkit-font-smoothing:antialiased;
}

/* central container used across header/main/footer so everything aligns */
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* header: use flexbox so brand and nav align vertically and horizontally */
.site-header{background:transparent;color:var(--muted);padding:18px 0}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-header .brand{font-size:20px;font-weight:800;letter-spacing:0.6px;color:var(--accent)}
.site-header .brand small{display:block;font-size:15px;color:var(--muted);font-weight:400}

.nav ul{display:flex;gap:12px;align-items:center;margin:0;padding:0}
.nav li{list-style:none}
.nav a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:6px}
.nav a:hover{background:rgba(15,23,36,0.04)}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(15,23,36,0.08);color:var(--muted);padding:6px 10px;border-radius:6px}

.hero{padding:80px 0;background-image:linear-gradient(180deg, rgba(10,18,36,0.02), transparent);background-size:cover}
/* keep hero content aligned with header/footer via .wrap */
.hero-inner{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:center}
.hero h1{font-size:25px;margin:0;color:#0f1724;line-height:1.05}
.lead{color:var(--muted);font-size:16px}
.hero .kicker{color:var(--accent); letter-spacing:1px; margin-top: 20px;}
.hero .hero-cta{margin-top:15px;display:flex;gap:12px}
.btn{border-radius:10px;padding:12px 18px;font-weight:700}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 10px 30px rgba(233,78,58,0.12)}
.btn.ghost{background:transparent;border:1px solid rgba(15,23,36,0.08);color:var(--muted)}
.btn.block{display:block;width:100%;text-align:center}

.two-col{display:grid;grid-template-columns:1fr 320px;gap:28px;padding:36px 0}
.content h2{margin-top:0}
.features{margin:10px 0;padding-left:18px}
.features li{margin-bottom:10}
.sidebar .card{background:var(--card);padding:16px;border-radius:8px;border:1px solid rgba(15,23,36,0.04)}

.cards{display:flex;gap:18px;flex-wrap:wrap}
.card{background:var(--card);padding:20px;border-radius:12px;border:1px solid rgba(15,23,36,0.06);flex:1;min-width:260px;transition:transform .18s, box-shadow .18s}
.card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(15,23,36,0.06)}
.card h4{margin:0 0 8px 0;color:#0f1724}
.card p{color:var(--muted);margin:0;color:red}

.gallery{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.gallery img{width:calc(33.333% - 8px);border-radius:8px;cursor:pointer;border:1px solid rgba(15,23,36,0.04);transition:transform .18s, box-shadow .18s}
.gallery img:hover{transform:scale(1.03);box-shadow:0 10px 30px rgba(15,23,36,0.08)}

/* modal preview */
.modal{position:fixed;inset:0;background:rgba(0,0,0,0.7);display:flex;align-items:center;justify-content:center;z-index:1200;opacity:0;pointer-events:none;transition:all .22s}
.modal.open{opacity:1;pointer-events:auto}
.modal .modal-inner{max-width:900px;width:100%;padding:10px}
.modal img{width:100%;border-radius:8px}

.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.feature{background:var(--glass);padding:14px;border-radius:10px}
.feature h3{margin:0 0 6px 0;color:var(--accent-2)}

.muted{color:red}

@media(max-width:1100px){
  .hero-inner{grid-template-columns:1fr 360px}
  .hero h1{font-size:36px}
}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .gallery img{width:calc(50% - 8px)}
  .feature-list{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .two-col{grid-template-columns:1fr}
  .nav ul{display:none}
  .nav-toggle{display:inline-block}
  .hero h1{font-size:22px}
  .gallery img{width:100%}
  .feature-list{grid-template-columns:1fr}
  .hero{padding:36px 0}
}