:root {
  --bg: #0a1a24;
  --surface: #0e2431;
  --panel: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.12);
  --fg: #eaf6fb;
  --muted: #9db6c4;
  --aqua: #35d4d0;
  --gold: #f4b942;
  --gold-2: #ff8a3d;
  --gold-fg: #2a1602;
  --gradient-gold: linear-gradient(100deg, var(--gold), var(--gold-2));
  --gradient-deep: linear-gradient(to top, var(--bg), transparent);
  --font-display: "Sora", "Noto Sans Thai", system-ui, sans-serif;
  --font-sans: "Manrope", "Noto Sans Thai", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.7;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, .logo, .stat { font-family: var(--font-display); font-weight: 800; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 6vw, 4.4rem); margin: 0.6rem 0 0; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin: 0.4rem 0 0; }
h3 { font-size: 1.05rem; margin: 0; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 5rem 0; }
.surface { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.muted { color: var(--muted); }
.lead { color: var(--muted); max-width: 46rem; }
.center { text-align: center; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--aqua);
  margin: 0;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 26, 36, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 4.5rem; }
.logo { font-size: 1.4rem; font-style: italic; letter-spacing: -0.02em; }
.logo span { background: var(--gradient-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; gap: 2rem; font-size: 0.95rem; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--fg); }
.menu-btn { display: none; background: none; border: 1px solid var(--border); color: var(--fg); border-radius: 0.5rem; width: 2.5rem; height: 2.5rem; font-size: 1.1rem; cursor: pointer; }

/* Hero */
.hero { position: relative; display: flex; align-items: center; min-height: 84vh; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; background: rgba(10, 26, 36, 0.55); z-index: -1; }
.hero-content { padding: 6rem 1.25rem; }
.hero-content h1 { max-width: 22ch; }
.hero-meta { color: var(--muted); margin-top: 1.2rem; }
.hero-actions { display: flex; align-items: center; gap: 1rem; margin-top: 2rem; }
.dots { display: flex; gap: 0.5rem; margin-top: 2rem; }
.dot { width: 0.5rem; height: 0.5rem; border-radius: 999px; background: rgba(255, 255, 255, 0.25); border: 0; padding: 0; cursor: pointer; }
.dot.active { width: 2.5rem; background: var(--gradient-gold); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 0.9rem 2rem;
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 800;
  letter-spacing: 0.06em; cursor: pointer; border: 0;
}
.btn-gold { background: var(--gradient-gold); color: var(--gold-fg); box-shadow: 0 12px 40px -12px rgba(244, 185, 66, 0.7); }
.btn-outline { background: none; border: 1px solid var(--border); color: var(--fg); }
.btn-outline:hover { border-color: var(--aqua); color: var(--aqua); }
.btn.full { width: 100%; margin-top: 1.5rem; }
.round-btn { width: 2.5rem; height: 2.5rem; border-radius: 999px; border: 1px solid var(--border); background: none; color: var(--fg); cursor: pointer; font-size: 1.1rem; }
.round-btn:hover { border-color: var(--aqua); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.5rem; }
.chip {
  border-radius: 999px; padding: 0.6rem 1.5rem; cursor: pointer;
  background: none; border: 1px solid var(--border); color: var(--muted);
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 700;
}
.chip:hover { border-color: var(--aqua); color: var(--aqua); }
.chip.active { background: var(--gradient-gold); color: var(--gold-fg); border-color: transparent; }

/* Grids & panels */
.grid { display: grid; gap: 1.5rem; margin-top: 3rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 0; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two-col { display: grid; gap: 3.5rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 1.25rem; padding: 2rem; }
.stat { font-size: 2.4rem; margin: 0; background: var(--gradient-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Game card */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 1.25rem; overflow: hidden; }
.card-media { position: relative; aspect-ratio: 3 / 4; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.card:hover .card-media img { transform: scale(1.05); }
.card-media::after { content: ""; position: absolute; inset: auto 0 0 0; height: 6rem; background: var(--gradient-deep); }
.tags { position: absolute; top: 0.75rem; left: 0.75rem; display: flex; gap: 0.4rem; z-index: 1; }
.tag { background: var(--gradient-gold); color: var(--gold-fg); border-radius: 999px; padding: 0.15rem 0.6rem; font-size: 0.65rem; font-weight: 700; }
.card-body { padding: 1.25rem; }
.card-ways { color: var(--aqua); font-size: 0.75rem; letter-spacing: 0.08em; margin: 0.35rem 0 0; }
.card-text { color: var(--muted); font-size: 0.9rem; margin: 0.7rem 0 0; }
.card-actions { display: flex; gap: 0.5rem; margin-top: 1.25rem; }
.card-actions .btn { flex: 1; padding: 0.6rem 1rem; font-size: 0.75rem; }

/* Contact */
.info { margin: 2.5rem 0 0; display: grid; gap: 1rem; }
.info dt { color: var(--aqua); font-size: 0.75rem; letter-spacing: 0.14em; }
.info dd { margin: 0.2rem 0 0; }
.form label { display: block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; color: var(--muted); margin-top: 1.2rem; }
.form .grid-2 label:nth-child(-n+2) { margin-top: 0; }
.form input:not([type="checkbox"]), .form textarea {
  display: block; width: 100%; margin-top: 0.5rem;
  background: rgba(0, 0, 0, 0.25); border: 1px solid var(--border);
  border-radius: 0.75rem; padding: 0.75rem 1rem; color: var(--fg);
  font-family: inherit; font-size: 0.95rem; letter-spacing: normal;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--aqua); }
.form .check { display: flex; gap: 0.6rem; align-items: flex-start; font-weight: 500; letter-spacing: normal; font-size: 0.85rem; }
.form .check input { accent-color: var(--gold); margin-top: 0.4rem; }
.form-msg { min-height: 1.4rem; margin: 0.9rem 0 0; font-size: 0.85rem; }
.form-msg.ok { color: var(--aqua); }
.form-msg.err { color: #ff8080; }

/* Footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); }
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: 1.4fr 1fr 1fr; padding-top: 3.5rem; padding-bottom: 3.5rem; }
.site-footer h2 { font-size: 0.95rem; }
.site-footer ul { list-style: none; padding: 0; margin: 1rem 0 0; color: var(--muted); display: grid; gap: 0.6rem; font-size: 0.9rem; }
.site-footer ul a:hover { color: var(--fg); }
.copyright { border-top: 1px solid var(--border); margin: 0; padding: 1.4rem; text-align: center; font-size: 0.78rem; color: var(--muted); }

/* Modal */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; background: rgba(4, 12, 18, 0.8); padding: 1.25rem; }
.modal-card { position: relative; max-width: 720px; width: 100%; max-height: 88vh; overflow: auto; background: var(--surface); }
.modal-close { position: absolute; top: 1rem; right: 1rem; background: none; border: 1px solid var(--border); color: var(--fg); border-radius: 999px; width: 2.2rem; height: 2.2rem; cursor: pointer; }
.spec-grid { display: grid; gap: 0.75rem; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 1.5rem; }
.spec { border: 1px solid var(--border); border-radius: 0.75rem; padding: 0.75rem 1rem; }
.spec dt { color: var(--aqua); font-size: 0.65rem; letter-spacing: 0.16em; }
.spec dd { margin: 0.2rem 0 0; font-family: var(--font-display); font-weight: 700; }
.feature-list { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 1rem 0 0; }
.feature-list li { border: 1px solid var(--border); border-radius: 999px; padding: 0.4rem 1rem; font-size: 0.78rem; color: var(--muted); }

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-col, .footer-grid, .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 0 1.25rem 1rem; }
  .nav.open { display: flex; }
  .nav a { padding: 0.85rem 0; border-bottom: 1px solid var(--border); }
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .grid-4, .grid-2, .spec-grid { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
}

/* เพิ่มเติมสำหรับเวอร์ชันแยกหน้า */
.text-gold { background: var(--gradient-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav a[aria-current="page"] { color: var(--fg); font-weight: 700; }
.link-back { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; color: var(--muted); }
.link-back:hover { color: var(--aqua); }

.steps { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; gap: 1.25rem; }
.step-num { color: var(--aqua); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; margin: 0 0 0.4rem; }

.detail-grid { display: grid; gap: 3rem; grid-template-columns: 380px 1fr; margin-top: 2rem; align-items: start; }
.detail-img { width: 100%; border-radius: 1.25rem; border: 1px solid var(--border); }

.avatar {
  width: 3.5rem; height: 3.5rem; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-gold); color: var(--gold-fg);
  font-family: var(--font-display); font-weight: 800; margin-bottom: 1.25rem;
}

@media (max-width: 1000px) {
  .detail-grid { grid-template-columns: 1fr; }
  .detail-img { max-width: 380px; }
}