/* ═══════════════════════════════════════════════════════
   S.5 JUMP: ASCENT — Style
   Dark Navy · Gold · Premium Sentinel Fortune
   ═══════════════════════════════════════════════════════ */

:root {
  --ink:    #03060e;
  --deep:   #050a14;
  --navy:   #091222;
  --panel:  #0d1a2e;
  --gold:   #c8a84b;
  --gold2:  #e8c86a;
  --gold3:  #f5d980;
  --white:  #e8e4dc;
  --muted:  #7a8099;
  --danger: #c83a2a;
  --teal:   #2a9ab0;
  --border: rgba(200,168,75,.18);
  --dim:    rgba(232,228,220,.05);
  --ff:     "Georgia", "Times New Roman", serif;
  --ffs:    system-ui, -apple-system, sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  font-family: var(--ffs);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

/* ── CANVAS ── */
#gameCanvas {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--ink);
}

/* ── HUD ── */
#hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 14px 18px 10px;
  background: linear-gradient(to bottom, rgba(3,6,14,.85) 0%, transparent 100%);
  pointer-events: none;
  z-index: 20;
  gap: 8px;
}

.hud-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 64px;
}

.hud-block.center {
  text-align: center;
  align-items: center;
  flex: 1;
}

.hud-label {
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  opacity: 0.75;
}

.hud-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
  line-height: 1;
}

#hud-level-name {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.6;
  margin-top: 2px;
}

/* ── MOBILE CONTROLS ── */
#mobile-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 20px 28px;
  pointer-events: none;
  z-index: 20;
  gap: 12px;
}

.ctrl-group {
  display: flex;
  gap: 10px;
  pointer-events: auto;
}

.ctrl-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1.5px solid rgba(200,168,75,.35);
  background: rgba(9,18,34,.72);
  color: var(--gold);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  transition: background 0.1s, border-color 0.1s;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.ctrl-btn:active,
.ctrl-btn.pressed {
  background: rgba(200,168,75,.18);
  border-color: var(--gold);
}

.ctrl-btn.jump-btn {
  width: 70px;
  height: 70px;
  font-size: 1.5rem;
  border-color: rgba(200,168,75,.55);
  background: rgba(200,168,75,.1);
}

.ctrl-btn.jump-btn:active,
.ctrl-btn.jump-btn.pressed {
  background: rgba(200,168,75,.3);
  border-color: var(--gold2);
}

/* ── SCREENS ── */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 28px;
  background: rgba(3, 6, 14, 0.96);
  z-index: 40;
  gap: 0;
}

.screen.hidden {
  display: none;
}

/* ── MENU SCREEN ── */
.menu-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.65;
  margin-bottom: 20px;
}

.menu-logo {
  font-family: var(--ff);
  font-size: clamp(2.8rem, 10vw, 4.5rem);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 4px;
}

.menu-title {
  font-family: var(--ff);
  font-size: clamp(1rem, 4vw, 1.6rem);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.8;
  margin-bottom: 12px;
}

.menu-rule {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 16px auto;
}

.menu-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.5;
  margin-bottom: 40px;
}

.menu-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 40px;
}

/* ── BUTTONS ── */
.btn-gold {
  display: inline-block;
  padding: 14px 36px;
  border: 1.5px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-family: var(--ffs);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-radius: 2px;
  text-decoration: none;
}

.btn-gold:hover,
.btn-gold:active {
  background: rgba(200,168,75,.14);
  color: var(--gold2);
  border-color: var(--gold2);
}

.btn-secondary {
  display: inline-block;
  padding: 10px 28px;
  border: 1px solid rgba(200,168,75,.3);
  background: transparent;
  color: var(--muted);
  font-family: var(--ffs);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  border-radius: 2px;
  margin-top: 14px;
  text-decoration: none;
}

.btn-secondary:hover,
.btn-secondary:active {
  border-color: rgba(200,168,75,.6);
  color: var(--white);
}

/* ── LEVEL COMPLETE ── */
.lc-badge {
  font-size: 2.5rem;
  color: var(--gold);
  margin-bottom: 18px;
  animation: glow-pulse 2s ease-in-out infinite;
}

.lc-title {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.65;
  margin-bottom: 10px;
}

.lc-name {
  font-family: var(--ff);
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.lc-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.5;
  margin-bottom: 28px;
}

.lc-stats {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 36px;
}

.lc-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.lc-stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
}

.lc-stat-label {
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── GAME OVER ── */
.go-icon {
  font-size: 2.2rem;
  color: var(--danger);
  margin-bottom: 18px;
  opacity: 0.7;
}

.go-title {
  font-family: var(--ff);
  font-size: clamp(1.4rem, 5vw, 2rem);
  color: var(--white);
  margin-bottom: 8px;
}

.go-sub {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 36px;
}

/* ── THRESHOLD SCREEN ── */
.threshold-glow {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,168,75,.4) 0%, rgba(200,168,75,0) 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  animation: glow-pulse 2.5s ease-in-out infinite;
}

.threshold-icon {
  font-size: 2.4rem;
  color: var(--gold);
}

.threshold-eyebrow {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.6;
  margin-bottom: 12px;
}

.threshold-title {
  font-family: var(--ff);
  font-size: clamp(2rem, 8vw, 3rem);
  color: var(--gold);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
  animation: glow-pulse 2.5s ease-in-out infinite;
}

.threshold-rule {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 18px auto;
}

.threshold-text {
  font-family: var(--ff);
  font-size: clamp(1rem, 3.5vw, 1.35rem);
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 8px;
}

.threshold-sub {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 36px;
  letter-spacing: 0.04em;
}

.btn-unlock {
  display: inline-block;
  padding: 16px 40px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--ffs);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  margin-bottom: 4px;
}

.btn-unlock:hover,
.btn-unlock:active {
  background: var(--gold2);
  transform: translateY(-1px);
}

/* ── ANIMATIONS ── */
@keyframes glow-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.65; }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.screen:not(.hidden) {
  animation: fade-in 0.35s ease-out forwards;
}

/* ── UTILITY ── */
.hidden { display: none !important; }

/* ── RESPONSIVE: larger touch targets on small screens ── */
@media (max-height: 600px) {
  #mobile-controls { padding-bottom: 14px; }
  .ctrl-btn        { width: 50px; height: 50px; font-size: 1.1rem; }
  .ctrl-btn.jump-btn { width: 60px; height: 60px; }
  #hud             { padding: 8px 14px 6px; }
}

@media (min-width: 600px) {
  #mobile-controls { justify-content: center; gap: 60px; }
}