/* ═══════════════════════════════════════════════════════════════════
   HERO — Hero section, chessboard bg, eyebrow, phone mockup, float cards
═══════════════════════════════════════════════════════════════════ */

#hero {
  min-height: 100vh;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center;
}

/* Chess board background — CSS conic-gradient, always perfect squares */
.hero-chessboard {
  position: absolute; inset: 0;
  background-image: repeating-conic-gradient(var(--primary) 0% 25%, transparent 0% 50%);
  background-size: 56px 56px;
  opacity: 0.045;
  pointer-events: none;
  transition: opacity 0.5s;
}

.hero-glow {
  position: absolute;
  top: -20%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px;
  background: radial-gradient(ellipse, var(--glow-color) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}

/* ── Eyebrow — JS-driven fade+slide ── */
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--primary-dim);
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 28px; height: 1px;
  background: var(--primary-dim); flex-shrink: 0; margin-top: 1px;
}
.eyebrow-slot {
  position: relative;
  height: 20px;
  min-width: 220px;
}
.eyebrow-item {
  position: absolute; top: 0; left: 0;
  height: 20px; line-height: 20px; white-space: nowrap;
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
}
.eyebrow-item.active { opacity: 1; transform: translateY(0); }

/* ── Headline & copy ── */
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(52px, 6.5vw, 88px);
  font-weight: 700; line-height: 0.95;
  letter-spacing: -1.5px; text-transform: uppercase;
  color: var(--text); margin-bottom: 28px;
}
.hero-headline .line-accent { color: var(--primary); display: block; }
.hero-headline .line-italic  { font-style: italic; color: var(--secondary); display: block; }

.hero-sub {
  font-family: var(--font-body); font-size: 17px;
  color: var(--text-dim); line-height: 1.75;
  max-width: 430px; margin-bottom: 40px;
}
.hero-sub strong { color: var(--text); font-weight: 500; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Phone mockup ── */
.hero-phone-area {
  position: relative;
  display: flex; justify-content: center; align-items: center;
  padding: 20px 60px;
}

.hero-phone {
  width: 248px;
  border-radius: 38px;
  border: 2px solid var(--border2);
  background: var(--surface);
  box-shadow: 0 40px 80px rgba(0,0,0,0.7), 0 0 0 1px var(--border), inset 0 1px 0 rgba(255,255,255,0.04);
  overflow: hidden; position: relative;
}
.hero-phone::before {
  content: '';
  position: absolute; top: 11px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 6px; border-radius: 3px;
  background: var(--surface3); z-index: 20;
}

.phone-screen {
  width: 100%;
  background: var(--bg);
  padding: 28px 10px 12px;
  display: flex; flex-direction: column; gap: 8px;
}

/* Phone top bar */
.pbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 4px 6px;
  border-bottom: 1px solid var(--border);
}
.pbar-title {
  font-family: var(--font-head); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--primary);
}
.pbar-izzat {
  display: flex; align-items: center; gap: 3px;
  font-family: var(--font-mono); font-size: 8px; font-weight: 500;
  color: var(--secondary);
  background: var(--surface3); border: 1px solid var(--border2);
  padding: 2px 6px; border-radius: 3px;
}

/* Commentary banner */
.p-commentary {
  font-family: var(--font-mono); font-size: 8px;
  color: var(--alert-color);
  background: var(--alert-bg);
  border: 1px solid var(--primary); border-left-width: 2px;
  padding: 4px 8px; text-align: center;
  letter-spacing: 0.5px; text-transform: uppercase;
  animation: commentaryPulse 3s ease-in-out infinite;
}
@keyframes commentaryPulse { 0%,100%{opacity:1} 50%{opacity:0.7} }

/* Chess board in phone */
.p-board {
  display: grid; grid-template-columns: repeat(8, 1fr);
  border: 1px solid var(--border2); border-radius: 2px;
  overflow: hidden; flex-shrink: 0;
}
.p-sq { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.p-sq.pl { background: var(--board-light); }
.p-sq.pd { background: var(--board-dark); }
.p-sq.sel { background: rgba(249,208,74,0.7); }
.p-piece-e { filter: brightness(0.15) saturate(0); }
.p-piece-a { filter: brightness(1.8) saturate(0); }

/* Game HUD rows */
.p-hud { display: flex; justify-content: space-between; align-items: center; padding: 4px 2px; }
.p-player { display: flex; align-items: center; gap: 5px; }
.p-avatar {
  width: 20px; height: 20px; border-radius: 4px;
  background: var(--surface3); border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center; font-size: 9px;
}
.p-name {
  font-family: var(--font-body); font-size: 8px; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase; color: var(--text-dim);
}
.p-timer {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  color: var(--primary); background: var(--surface3);
  padding: 3px 6px; border-radius: 3px;
}

/* Frontier log */
.p-log {
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  padding: 5px 6px; border-radius: 2px;
}
.p-log-title {
  font-family: var(--font-mono); font-size: 7px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-mute);
  margin-bottom: 3px;
}
.p-log-row {
  display: flex; gap: 4px;
  font-family: var(--font-mono); font-size: 7px; color: var(--text-dim);
  line-height: 1.5;
}
.p-log-row .ply { color: var(--primary); opacity: 0.6; }

/* ── Floating info cards ── */
.float-card {
  position: absolute;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 8px; padding: 10px 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  min-width: 110px;
}
.float-label {
  font-family: var(--font-mono); font-size: 8px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 3px;
}
.float-val { font-family: var(--font-head); font-size: 14px; font-weight: 700; color: var(--secondary); }
.float-val.good { color: #4CAF50; }
.float-val.warn { color: #FF9800; }
.float-val.bad  { color: #F44336; }

.float-card.pos-tl { top: 10%; left: -40px; }
.float-card.pos-tr { top: 15%; right: -40px; }
.float-card.pos-ml { top: 42%; left: -50px; }
.float-card.pos-mr { top: 48%; right: -50px; }
.float-card.pos-bl { bottom: 22%; left: -30px; }
.float-card.pos-br { bottom: 18%; right: -35px; }