/* ============================================================
   Book of Rampart — Fortress Run
   style.css  |  Book of Rampart visual style
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Jura:wght@500;700&family=Merriweather:wght@400;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --void:       #081412;
  --tomb:       #10211d;
  --chamber:       #17332d;
  --stone:       #264840;
  --stone-lt:       #35635b;
  --gold:       #60c2a6;
  --gold-lt:       #9ce7d1;
  --gold-dk:       #2c7a67;
  --gold-glow:  rgba(96,194,166,.35);
  --amber:       #f08a24;
  --blood:       #7c1e1e;
  --blood-lt:       #db4444;
  --jade:       #3db96f;
  --jade-lt:       #7ef0a5;
  --lapis:       #2a7d7b;
  --lapis-lt:       #58cecd;
  --papyrus:       #d5efe8;
  --papyrus-dk:       #7ea299;
  --text:       #ddf5ee;
  --text-dim:       #7ca79d;
  --danger:       #ff6a5b;
  --radius:     4px;
  --font-title: 'Jura', sans-serif;
  --font-body:  'Merriweather', serif;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

body {
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 16px;
}

/* papyrus grain overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 2px,
    rgba(200,150,10,0.012) 2px,
    rgba(200,150,10,0.012) 4px
  );
  pointer-events: none; z-index: 0;
}

/* ── HEADER ─────────────────────────────────────────────────── */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 40px;
  background: linear-gradient(180deg, var(--tomb) 0%, rgba(26,18,8,0.8) 100%);
  border-bottom: 1px solid rgba(200,150,10,0.3);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 24px rgba(0,0,0,0.8), 0 0 40px rgba(200,150,10,0.05);
}

/* decorative border line on header */
header::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), rgba(200,150,10,0.5), var(--gold), transparent);
}

.logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold-lt);
  text-shadow: 0 0 20px var(--gold-glow), 0 2px 4px rgba(0,0,0,0.8);
  display: flex; align-items: center; gap: 10px;
}
.logo-eye { font-size: 1.2rem; filter: drop-shadow(0 0 6px var(--gold)); }

nav {
  display: flex; align-items: center; gap: 24px;
}

nav a {
  font-family: var(--font-title);
  font-size: 0.7rem;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}
nav a:hover { color: var(--gold-lt); text-shadow: 0 0 8px var(--gold-glow); }

#lang-btn {
  font-family: var(--font-title);
  font-size: 0.65rem; letter-spacing: 2px; text-transform: uppercase;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid rgba(200,150,10,0.35);
  border-radius: var(--radius);
  color: var(--text-dim); cursor: pointer; transition: all 0.2s;
}
#lang-btn:hover {
  border-color: var(--gold); color: var(--gold-lt);
  background: rgba(200,150,10,0.08);
  box-shadow: 0 0 10px rgba(200,150,10,0.15);
}

/* ── GAME SECTION ───────────────────────────────────────────── */
#game-section {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  padding: 20px 16px 48px; gap: 12px;
}

/* ── HUD ─────────────────────────────────────────────────────── */
#hud {
  display: flex; align-items: stretch; gap: 0;
  width: 100%; max-width: 820px;
  background: var(--tomb);
  border: 1px solid rgba(200,150,10,0.25);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.7), inset 0 0 40px rgba(0,0,0,0.3);
}

.hud-cell {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px; padding: 10px 8px;
  border-right: 1px solid rgba(200,150,10,0.1);
  background: linear-gradient(180deg, rgba(26,18,8,0.5) 0%, rgba(10,8,6,0.6) 100%);
}
.hud-cell:last-child { border-right: none; }

.hud-label {
  font-family: var(--font-title);
  font-size: 0.48rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); font-weight: 600;
}

.hud-value {
  font-family: var(--font-title);
  font-size: 1.35rem; font-weight: 700;
  color: var(--gold-lt); line-height: 1;
  text-shadow: 0 0 10px var(--gold-glow);
}

#lives-display { display: flex; gap: 3px; font-size: 1rem; line-height: 1; }

/* torch timer bar */
#torch-wrap {
  flex: 1.5;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px; padding: 8px 16px;
  border-right: 1px solid rgba(200,150,10,0.1);
}
#torch-bar-bg {
  width: 100%; height: 8px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(200,150,10,0.2);
  border-radius: 4px; overflow: hidden;
}
#torch-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #ff4400, #ff8800, #ffdd00);
  border-radius: 4px;
  transition: width 0.2s linear, background 0.5s;
  width: 100%;
}
#torch-bar-fill.low { background: linear-gradient(90deg, #8b0000, #cc2200); animation: flicker 0.3s ease infinite alternate; }
@keyframes flicker { from { opacity: 0.7; } to { opacity: 1; } }

/* START / RESTART button */
#start-btn {
  flex: 1.4;
  font-family: var(--font-title);
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  background: linear-gradient(135deg, var(--gold-dk), var(--gold));
  border: none;
  border-left: 1px solid rgba(200,150,10,0.2);
  color: var(--tomb);
  cursor: pointer; transition: all 0.15s;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
#start-btn:hover { background: linear-gradient(135deg, var(--gold), var(--gold-lt)); }
#start-btn:active { transform: scaleY(0.97); }

/* ── CANVAS WRAP ─────────────────────────────────────────────── */
#canvas-wrap {
  position: relative; width: 100%; max-width: 820px;
  border-radius: 6px; overflow: hidden;
  border: 2px solid rgba(200,150,10,0.3);
  box-shadow:
    0 0 0 1px rgba(200,150,10,0.08),
    0 8px 48px rgba(0,0,0,0.9),
    0 0 60px rgba(200,100,0,0.06);
}

#game-canvas {
  display: block; width: 100%; height: auto;
  background: var(--chamber);
  image-rendering: pixelated;
}

/* corner hieroglyph decorations */
#canvas-wrap::before, #canvas-wrap::after {
  content: '';
  position: absolute;
  width: 22px; height: 22px;
  border-color: var(--gold);
  border-style: solid;
  z-index: 5; opacity: 0.45;
}
#canvas-wrap::before { top:7px; left:7px;   border-width: 2px 0 0 2px; }
#canvas-wrap::after  { bottom:7px; right:7px; border-width: 0 2px 2px 0; }

/* ── MOBILE D-PAD ────────────────────────────────────────────── */
#dpad {
  display: none;
  position: absolute; bottom: 16px; left: 16px;
  width: 110px; height: 110px;
  z-index: 10; pointer-events: none;
}

#dpad button {
  position: absolute;
  width: 34px; height: 34px;
  background: rgba(200,150,10,0.18);
  border: 1px solid rgba(200,150,10,0.4);
  border-radius: 4px;
  color: var(--gold-lt); font-size: 1rem;
  cursor: pointer; pointer-events: all;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.1s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
#dpad button:active { background: rgba(200,150,10,0.4); }
#dpad-up    { top:0;   left:38px; }
#dpad-down  { bottom:0; left:38px; }
#dpad-left  { top:38px; left:0; }
#dpad-right { top:38px; right:0; }

@media (hover:none) and (pointer:coarse) { #dpad { display: block; } }

/* ── OVERLAY ─────────────────────────────────────────────────── */
#overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; padding: 28px;
  background: rgba(8,6,4,0.93);
  backdrop-filter: blur(8px);
  transition: opacity 0.4s; z-index: 20;
}
#overlay.hidden { opacity:0; pointer-events:none; }

.overlay-icon { font-size: 4rem; animation: float-icon 4s ease-in-out infinite; filter: drop-shadow(0 0 16px var(--gold-glow)); }
@keyframes float-icon { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-14px) rotate(2deg); } }

.overlay-title {
  font-family: var(--font-title);
  font-size: 2.4rem; font-weight: 900;
  letter-spacing: 5px; text-transform: uppercase;
  color: var(--gold-lt); text-align: center;
  text-shadow: 0 0 30px var(--gold-glow), 0 0 60px rgba(200,100,0,0.3);
}

/* decorative line under title */
.overlay-title::after {
  content: ' 𓂀 𓁹 𓂀';
  display: block;
  font-size: 1rem; letter-spacing: 8px;
  color: var(--gold-dk); margin-top: 4px;
  text-shadow: none;
}

.overlay-sub {
  color: var(--text-dim); font-family: var(--font-body);
  font-size: 1.05rem; font-style: italic;
  text-align: center; max-width: 380px; line-height: 1.7;
}

.overlay-btn {
  font-family: var(--font-title);
  font-size: 0.85rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  padding: 14px 48px;
  background: transparent;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  color: var(--gold-lt); cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 20px rgba(200,150,10,0.15), inset 0 0 20px rgba(200,150,10,0.05);
  touch-action: manipulation;
}
.overlay-btn:hover {
  background: rgba(200,150,10,0.12);
  box-shadow: 0 0 40px rgba(200,150,10,0.35), inset 0 0 30px rgba(200,150,10,0.1);
  transform: translateY(-2px);
}
.overlay-btn:active { transform: scale(0.97); }

/* legend */
.legend { display:flex; gap:14px; flex-wrap:wrap; justify-content:center; }
.legend-item { display:flex; align-items:center; gap:6px; font-size:0.82rem; font-style:italic; color:var(--text-dim); }
.legend-dot { width:9px; height:9px; border-radius:50%; flex-shrink:0; }

/* ── SCORE FLASH ─────────────────────────────────────────────── */
#score-flash {
  position: absolute; left:50%; top:30%;
  transform: translateX(-50%);
  font-family: var(--font-title); font-size: 1.8rem; font-weight: 700;
  pointer-events: none; opacity: 0; z-index: 15;
  white-space: nowrap; letter-spacing: 3px;
}
#score-flash.show { animation: flash-up 1.3s ease-out forwards; }
@keyframes flash-up {
  0%   { opacity:1; transform:translateX(-50%) translateY(0) scale(1); }
  60%  { opacity:1; transform:translateX(-50%) translateY(-40px) scale(1.08); }
  100% { opacity:0; transform:translateX(-50%) translateY(-70px) scale(0.9); }
}

/* ── ABOUT SECTION ──────────────────────────────────────────── */
#about-section {
  position: relative; z-index: 1;
  padding: 70px 32px; max-width: 960px; margin: 0 auto;
}

.section-heading {
  font-family: var(--font-title);
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: 5px; text-transform: uppercase;
  color: var(--gold-lt); margin-bottom: 28px;
  display: flex; align-items: center; gap: 16px;
  text-shadow: 0 0 15px var(--gold-glow);
}
.section-heading::after { content:''; flex:1; height:1px; background: linear-gradient(90deg, rgba(200,150,10,0.4), transparent); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.about-card {
  background: linear-gradient(135deg, rgba(26,18,8,0.8), rgba(10,8,6,0.9));
  border: 1px solid rgba(200,150,10,0.15);
  border-radius: 6px; padding: 24px;
  position: relative; overflow: hidden;
}
.about-card::before {
  content: ''; position: absolute; top:0; left:0; right:0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-dk), transparent);
  opacity: 0.5;
}
.about-card h3 {
  font-family: var(--font-title); font-size: 0.82rem;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px;
  text-shadow: 0 0 8px var(--gold-glow);
}
.about-card p, .about-card li {
  color: var(--text-dim); font-size: 0.95rem;
  line-height: 1.75; font-family: var(--font-body);
}
.about-card ul { padding-left:0; list-style:none; display:flex; flex-direction:column; gap:5px; }
.about-card li::before { content:'𓂃  '; color:var(--gold-dk); }

.controls-grid { display:grid; grid-template-columns:auto 1fr; gap:8px 14px; align-items:center; }
.key { background:rgba(200,150,10,0.08); border:1px solid rgba(200,150,10,0.25); border-radius:4px; padding:3px 10px; font-family:var(--font-title); font-size:0.68rem; letter-spacing:1px; color:var(--gold-lt); white-space:nowrap; }
.key-desc { color:var(--text-dim); font-size:0.92rem; font-style:italic; }

/* ── CONTACT ────────────────────────────────────────────────── */
#contact-section {
  position: relative; z-index:1;
  border-top: 1px solid rgba(200,150,10,0.12);
  padding: 48px 32px; max-width: 960px; margin: 0 auto;
}
.contact-row { display:flex; gap:14px; flex-wrap:wrap; }
.contact-card { flex:1; min-width:180px; background:rgba(26,18,8,0.6); border:1px solid rgba(200,150,10,0.12); border-radius:6px; padding:18px 22px; display:flex; flex-direction:column; gap:6px; }
.contact-card .label { font-family:var(--font-title); font-size:0.54rem; letter-spacing:2px; text-transform:uppercase; color:var(--gold-dk); font-weight:600; }
.contact-card a, .contact-card p { color:var(--text-dim); font-size:0.95rem; text-decoration:none; transition:color 0.2s; word-break:break-all; }
.contact-card a:hover { color:var(--gold-lt); }

/* ── FOOTER ─────────────────────────────────────────────────── */
footer {
  position: relative; z-index:1;
  text-align:center; padding:20px 16px;
  color:var(--text-dim); font-size:0.78rem;
  border-top:1px solid rgba(200,150,10,0.1);
  font-family:var(--font-title); letter-spacing:1px; opacity:0.6;
}
footer a { color:var(--text-dim); }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  header { padding:10px 16px; }
  .logo  { font-size:1.15rem; letter-spacing:2px; }
  nav    { gap:14px; }
  #game-section { padding:12px 8px 40px; gap:10px; }
  .about-grid   { grid-template-columns:1fr; }
  #about-section { padding:48px 16px; }
  #contact-section { padding:36px 16px; }
  .overlay-title { font-size:1.8rem; letter-spacing:3px; }
}
@media (max-width: 480px) {
  header { padding:8px 12px; gap:6px; }
  .logo  { font-size:0.95rem; }
  nav a  { display:none; } nav a.always { display:block; }
  #lang-btn { padding:5px 10px; font-size:0.6rem; }
  #hud   { flex-wrap:wrap; }
  .hud-cell { min-width:calc(33% - 2px); padding:7px 4px; }
  .hud-value { font-size:1.1rem; }
  #torch-wrap { min-width:100%; order:10; border-left:none; border-top:1px solid rgba(200,150,10,0.1); }
  #start-btn  { min-width:100%; order:11; border-left:none; border-top:1px solid rgba(200,150,10,0.1); padding:12px; }
  .overlay-title { font-size:1.4rem; letter-spacing:2px; }
  .overlay-sub   { font-size:0.9rem; }
  .overlay-btn   { padding:12px 28px; font-size:0.78rem; }
  .overlay-icon  { font-size:3rem; }
  .about-card { padding:16px 14px; }
  .section-heading { font-size:1.15rem; }
  .controls-grid { grid-template-columns:1fr; gap:5px; }
}
@media (max-width:360px) { .logo { font-size:0.85rem; } .hud-value { font-size:0.95rem; } }
@media (hover:none) {
  #start-btn:hover, .overlay-btn:hover { transform:none; box-shadow:none; }
  #start-btn:active  { transform:scaleY(0.97); }
  .overlay-btn:active { transform:scale(0.97); }
}


/* Book of Rampart unique overlay */
body {background: radial-gradient(circle at 20% 10%, #60c2a620, transparent 20%), radial-gradient(circle at 82% 22%, #58cecd1a, transparent 28%), var(--void);}
header{border-bottom-color:#9ce7d155;}
#canvas-wrap,#hud,.about-card,.contact-card,footer{box-shadow:0 8px 30px rgba(0,0,0,.45),0 0 28px #60c2a618;}
.logo::before{content:'';width:24px;height:24px;display:inline-block;background:url('../assets/images/favicon.svg') center/contain no-repeat;}
.logo-eye{display:none;}