/* ================================================
   RD Esports Festival — Stylesheet
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@700;800;900&family=Rajdhani:wght@400;500;600;700&family=Sarabun:wght@300;400;500;600&family=Orbitron:wght@400;700;900&display=swap');

:root {
  --bg-base:      #04080f;
  --bg-card:      #090f1e;
  --bg-elevated:  #0d1528;
  --blue:         #1a56db;
  --cyan:         #00c2ff;
  --gold:         #f5c518;
  --gold-dim:     #c9960f;
  --white:        #f0f4ff;
  --muted:        #7a8cb0;
  --muted-2:      #4a5a7a;
  --border:       rgba(0,194,255,0.12);
  --border-soft:  rgba(255,255,255,0.06);

  --grad-hero:    linear-gradient(135deg, #04080f 0%, #0a1535 40%, #0f0a30 100%);
  --grad-accent:  linear-gradient(90deg, #1a56db, #00c2ff, #7c3aed);
  --grad-gold:    linear-gradient(90deg, #c9960f, #f5c518, #c9960f);
  --grad-festival: linear-gradient(135deg, #0a1535, #1a0a3d);

  --font-display: 'Orbitron', sans-serif;
  --font-heading: 'Rajdhani', 'Noto Sans Thai', sans-serif;
  --font-th:      'Noto Sans Thai', sans-serif;
  --font-body:    'Sarabun', sans-serif;

  --radius:       12px;
  --radius-lg:    20px;
  --nav-h:        72px;
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--cyan); color: var(--bg-base); }

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); z-index: 1000;
  display: flex; align-items: center;
  padding: 0 clamp(16px, 4vw, 48px);
  background: rgba(4,8,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.navbar.scrolled { background: rgba(4,8,15,0.97); }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 40px; }
.nav-logo-text { font-family: var(--font-display); font-size: 13px; font-weight: 700; letter-spacing: 0.08em; line-height: 1.1; }
.nav-logo-text span { display: block; font-size: 9px; letter-spacing: 0.2em; color: var(--gold); margin-top: 2px; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-back { font-family: var(--font-heading); font-size: 13px; color: var(--muted); transition: color var(--transition); }
.nav-back:hover { color: var(--white); }
.lang-toggle { display: flex; background: rgba(255,255,255,0.04); border: 1px solid var(--border-soft); border-radius: 8px; overflow: hidden; font-family: var(--font-heading); font-size: 12px; font-weight: 700; }
.lang-toggle button { background: none; border: none; color: var(--muted); padding: 6px 11px; transition: all var(--transition); }
.lang-toggle button.active { background: var(--blue); color: var(--white); }

/* ── HERO ── */
.fest-hero {
  min-height: 100vh;
  padding: var(--nav-h) clamp(16px,5vw,80px) 80px;
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.fest-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,194,255,0.15), transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(245,197,24,0.12), transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(124,58,237,0.12), transparent 40%);
}
.fest-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,194,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.5), transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.5), transparent 70%);
}
.fest-hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr auto;
  gap: 60px; align-items: center;
}
.fest-hero-logo {
  width: 280px; flex-shrink: 0;
  filter: drop-shadow(0 0 60px rgba(0,194,255,0.3));
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

.fest-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.25em; color: var(--gold);
  background: rgba(245,197,24,0.1); border: 1px solid rgba(245,197,24,0.3);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 20px;
  text-transform: uppercase;
}
.fest-badge::before { content:''; width:6px; height:6px; border-radius:50%; background:var(--gold); box-shadow:0 0 8px var(--gold); }

.fest-title {
  font-family: var(--font-th);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 900; line-height: 1;
  letter-spacing: -0.02em; margin-bottom: 8px;
}
.fest-title .year {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  display: block;
}
.fest-sub { font-size: 16px; color: var(--muted); margin-bottom: 32px; max-width: 520px; line-height: 1.7; }

.fest-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.fest-meta-item { display: flex; align-items: center; gap: 8px; }
.fest-meta-item .icon { font-size: 18px; }
.fest-meta-item .text { font-family: var(--font-heading); font-weight: 600; font-size: 15px; }
.fest-meta-item .label { font-family: var(--font-display); font-size: 9px; letter-spacing: 0.15em; color: var(--muted); text-transform: uppercase; margin-bottom: 2px; }

.fest-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-weight: 700; font-size: 14px; letter-spacing: 0.1em; padding: 12px 28px; border-radius: var(--radius); border: none; transition: all var(--transition); text-transform: uppercase; }
.btn-gold { background: var(--grad-gold); color: var(--bg-base); }
.btn-gold:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,197,24,0.3); }
.btn-outline { background: transparent; color: var(--cyan); border: 1.5px solid var(--cyan); }
.btn-outline:hover { background: rgba(0,194,255,0.08); transform: translateY(-2px); }

/* ── STATUS BADGE ── */
.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.15em; padding: 5px 14px; border-radius: 100px;
  text-transform: uppercase;
}
.status-open { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.status-open::before { content:''; width:6px; height:6px; border-radius:50%; background:#10b981; box-shadow:0 0 8px #10b981; }
.status-upcoming { background: rgba(245,197,24,0.12); color: var(--gold); border: 1px solid rgba(245,197,24,0.3); }
.status-past { background: rgba(107,127,163,0.12); color: var(--muted); border: 1px solid rgba(107,127,163,0.3); }
.status-ongoing { background: rgba(0,194,255,0.12); color: var(--cyan); border: 1px solid rgba(0,194,255,0.3); }

/* ── SECTION ── */
.section { padding: clamp(60px,8vw,100px) clamp(16px,5vw,80px); position: relative; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label { font-family: var(--font-display); font-size: 10px; letter-spacing: 0.3em; color: var(--cyan); text-transform: uppercase; margin-bottom: 12px; font-weight: 700; }
.section-label::before { content: '// '; color: var(--gold); }
.section-title { font-family: var(--font-th); font-size: clamp(32px,5vw,52px); font-weight: 800; line-height: 1.1; margin-bottom: 12px; }
.section-title .grad { background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.section-sub { font-size: 15px; color: var(--muted); max-width: 560px; line-height: 1.7; }

/* ── GAME CARDS ── */
.games-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  display: block; color: inherit;
  position: relative;
}
.game-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--game-color, var(--cyan));
  opacity: 0; transition: opacity var(--transition);
}
.game-card:hover { transform: translateY(-4px); border-color: rgba(0,194,255,0.25); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.game-card:hover::before { opacity: 1; }

.game-card-header {
  padding: 24px 24px 0;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.game-card-name { font-family: var(--font-heading); font-size: 22px; font-weight: 700; letter-spacing: 0.03em; color: var(--game-color, var(--cyan)); }
.game-card-body { padding: 16px 24px 24px; }
.game-card-desc { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 20px; }
.game-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--border-soft); }
.game-card-link { font-family: var(--font-heading); font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--white); text-transform: uppercase; display: flex; align-items: center; gap: 6px; }
.btn-register {
  font-family: var(--font-heading); font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; padding: 8px 18px; border-radius: 8px;
  background: var(--game-color, var(--cyan)); color: var(--bg-base);
  border: none; transition: all var(--transition); text-transform: uppercase;
}
.btn-register:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-register.closed { background: rgba(107,127,163,0.2); color: var(--muted); }

/* ── GAME PAGE ── */
.game-hero {
  padding: calc(var(--nav-h) + 60px) clamp(16px,5vw,80px) 60px;
  background: var(--grad-hero);
  position: relative; overflow: hidden;
}
.game-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(var(--game-color-rgb, 0,194,255), 0.15), transparent 50%);
}
.game-hero-inner { max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; }

.rules-content {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  font-size: 15px; line-height: 1.8; color: var(--white);
}
.rules-content h2, .rules-content h3 {
  font-family: var(--font-heading); font-weight: 700;
  color: var(--cyan); margin: 28px 0 12px; letter-spacing: 0.05em;
}
.rules-content h2 { font-size: 22px; border-bottom: 1px solid var(--border-soft); padding-bottom: 10px; }
.rules-content h3 { font-size: 17px; }
.rules-content p { margin-bottom: 12px; color: var(--muted); }
.rules-content ul, .rules-content ol { padding-left: 24px; margin-bottom: 12px; color: var(--muted); }
.rules-content li { margin-bottom: 6px; }
.rules-content strong { color: var(--white); }
.rules-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.rules-content th { background: var(--bg-elevated); padding: 10px 16px; text-align: left; font-family: var(--font-heading); font-size: 13px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.rules-content td { padding: 10px 16px; border-bottom: 1px solid var(--border-soft); color: var(--muted); font-size: 14px; }

/* Info box */
.info-box {
  background: var(--bg-card); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 12px;
}
.info-box .label { font-family: var(--font-display); font-size: 10px; letter-spacing: 0.2em; color: var(--muted); margin-bottom: 6px; font-weight: 700; text-transform: uppercase; }
.info-box .value { font-family: var(--font-heading); font-size: 18px; font-weight: 700; }

/* ── SCROLL REVEAL ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ── FOOTER ── */
.fest-footer {
  background: #020509; border-top: 1px solid var(--border-soft);
  padding: 40px clamp(16px,5vw,80px);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
}
.fest-footer img { width: 90px; height: auto; opacity: 0.5; filter: brightness(1.1); }
.fest-footer p { font-size: 13px; color: var(--muted-2); }
.fest-footer a { font-size: 13px; color: var(--muted-2); transition: color var(--transition); }
.fest-footer a:hover { color: var(--white); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .fest-hero-inner { grid-template-columns: 1fr; }
  .fest-hero-logo { width: 180px; margin: 0 auto; order: -1; }
  .games-grid { grid-template-columns: 1fr; }
}