/* ============================================================
   CHROME CURVE RALLY — style.css
   Retro Arcade 80s · Neon & Pixels · High Score Energy
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Nunito:wght@400;700;800&display=swap');

:root {
  --void:      #1a0009;
  --dark:      #1f000f;
  --panel:     #270010;
  --panel-lt:  #370015;
  --neon-pink: #ff8653;
  --neon-blue: #8653ff;
  --neon-yel:  #2aff0f;
  --neon-grn:  #53bdff;
  --neon-red:  #fcff53;
  --pink-glow: rgba(255,68,204,0.5);
  --blue-glow: rgba(68,204,255,0.4);
  --yel-glow:  rgba(255,221,0,0.5);
  --white:     #f5f5f5;
  --text:      #ff97c2;
  --text-dim:  #74244a;
  --radius:    4px;
  --radius-lg: 8px;
  --shadow:    0 4px 20px rgba(0,0,0,0.8);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.9);
  --font-title:'Press Start 2P', monospace;
  --font-body: 'Nunito', sans-serif;
}

*,*::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;}
/* retro scanlines */
body::before{content:'';position:fixed;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,0.08) 2px,rgba(0,0,0,0.08) 3px);pointer-events:none;z-index:0;}
body::after{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 50%,rgba(100,0,150,0.12) 0%,transparent 70%);pointer-events:none;z-index:0;}

/* ── HEADER ─────────────────────────────────────────────────── */
header{display:flex;align-items:center;justify-content:space-moveween;padding:10px 32px;background:rgba(5,0,8,0.97);border-bottom:3px solid var(--neon-pink);position:sticky;top:0;z-index:100;box-shadow:0 0 20px var(--pink-glow);}
header::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--neon-pink),var(--neon-blue),var(--neon-yel),var(--neon-pink));animation:neon-scroll 3s linear infinite;background-size:200% 100%;}
@keyframes neon-scroll{0%{background-position:0% 0%;}100%{background-position:200% 0%;}}
.logo{font-family:var(--font-title);font-size:1.1rem;letter-spacing:2px;color:var(--neon-yel);text-shadow:0 0 10px var(--yel-glow),0 0 20px rgba(255,221,0,0.3);display:flex;align-items:center;gap:10px;}
.logo-icon{font-size:1.3rem;filter:drop-shadow(0 0 8px var(--neon-yel));}
nav{display:flex;align-items:center;gap:20px;}
nav a{font-family:var(--font-body);font-weight:800;font-size:0.78rem;letter-spacing:1px;text-transform:uppercase;color:var(--text-dim);text-decoration:none;transition:color 0.2s;}
nav a:hover{color:var(--neon-pink);text-shadow:0 0 8px var(--pink-glow);}
#lang-switcher{position:relative;}
#lang-btn{font-family:var(--font-body);font-size:0.72rem;font-weight:800;padding:6px 12px;background:rgba(255,68,204,0.08);border:1px solid rgba(255,68,204,0.4);border-radius:var(--radius);color:var(--neon-pink);cursor:pointer;transition:all 0.2s;display:flex;align-items:center;gap:6px;}
#lang-btn:hover{background:rgba(255,68,204,0.2);box-shadow:0 0 10px var(--pink-glow);}
#lang-btn .arrow{font-size:0.6rem;opacity:0.7;transition:transform 0.2s;}
#lang-btn.open .arrow{transform:rotate(180deg);}
#lang-dropdown{display:none;position:absolute;top:calc(100% + 6px);right:0;background:var(--panel);border:1px solid rgba(255,68,204,0.3);border-radius:var(--radius);overflow:hidden;z-index:200;box-shadow:var(--shadow-lg);min-width:140px;}
#lang-dropdown.open{display:block;}
.lang-option{display:flex;align-items:center;gap:8px;padding:9px 14px;font-family:var(--font-body);font-size:0.8rem;font-weight:700;color:var(--text-dim);cursor:pointer;transition:background 0.15s;border-bottom:1px solid rgba(255,68,204,0.08);}
.lang-option:last-child{border-bottom:none;}
.lang-option:hover{background:rgba(255,68,204,0.15);color:var(--neon-pink);}
.lang-option.active{color:var(--neon-yel);}
.lang-flag{font-size:1.1rem;line-height:1;}

/* ── GAME SECTION ───────────────────────────────────────────── */
#game-section{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;padding:14px 16px 44px;gap:10px;}

/* ── HUD ─────────────────────────────────────────────────────── */
#hud{display:flex;align-items:stretch;width:100%;max-width:800px;background:rgba(8,0,16,0.95);border:2px solid var(--neon-pink);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 0 16px var(--pink-glow),var(--shadow);}
.hud-cell{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 4px;border-right:1px solid rgba(255,68,204,0.2);}
.hud-cell:last-child{border-right:none;}
.hud-label{font-family:var(--font-title);font-size:0.35rem;letter-spacing:1px;color:var(--text-dim);}
.hud-value{font-family:var(--font-title);font-size:0.85rem;color:var(--neon-yel);line-height:1;text-shadow:0 0 8px var(--yel-glow);}
#hud-controls{display:flex;align-items:center;gap:4px;padding:0 8px;border-left:1px solid rgba(255,68,204,0.2);flex-shrink:0;}
.diff-btn{font-family:var(--font-title);font-size:0.38rem;padding:5px 8px;background:transparent;border:1px solid rgba(255,68,204,0.25);border-radius:var(--radius);color:var(--text-dim);cursor:pointer;transition:all 0.2s;touch-action:manipulation;letter-spacing:0.5px;}
.diff-btn.active,.diff-btn:hover{border-color:var(--neon-pink);color:var(--neon-pink);background:rgba(255,68,204,0.1);box-shadow:0 0 8px var(--pink-glow);}
#start-btn{font-family:var(--font-title);font-size:0.5rem;letter-spacing:1px;padding:8px 12px;background:linear-gradient(135deg,#974f00,#ff8653);border:none;border-radius:var(--radius);color:#fff;cursor:pointer;transition:all 0.15s;box-shadow:0 0 14px var(--pink-glow);touch-action:manipulation;white-space:nowrap;}
#start-btn:hover{transform:translateY(-1px);box-shadow:0 0 24px var(--pink-glow);}
#start-btn:active{transform:scale(0.97);}

/* ── CANVAS ──────────────────────────────────────────────────── */
#canvas-wrap{position:relative;width:100%;max-width:800px;border-radius:var(--radius-lg);overflow:hidden;border:3px solid var(--neon-pink);box-shadow:0 0 30px var(--pink-glow),var(--shadow-lg);aspect-ratio:4/3;cursor:none;}
#game-canvas{display:block;width:100%;height:100%;background:var(--dark);touch-action:none;user-select:none;}

/* retro score flash */
#score-flash{position:absolute;left:50%;top:28%;transform:translateX(-50%);font-family:var(--font-title);font-size:1rem;pointer-events:none;opacity:0;z-index:20;white-space:nowrap;text-shadow:0 0 12px currentColor;letter-spacing:2px;}
#score-flash.show{animation:flash-up 1.2s ease-out forwards;}
@keyframes flash-up{0%{opacity:1;transform:translateX(-50%) scale(0.8);}20%{opacity:1;transform:translateX(-50%) scale(1.15);}100%{opacity:0;transform:translateX(-50%) translateY(-70px);}}

/* lap banner */
#lap-banner{position:absolute;left:50%;bottom:14%;transform:translateX(-50%);font-family:var(--font-title);font-size:0.8rem;letter-spacing:2px;padding:8px 20px;border-radius:var(--radius);pointer-events:none;z-index:18;opacity:0;white-space:nowrap;background:rgba(5,0,8,0.9);border:2px solid var(--neon-yel);color:var(--neon-yel);text-shadow:0 0 10px var(--yel-glow);box-shadow:0 0 16px var(--yel-glow);}
#lap-banner.show{animation:lap-in 2s ease forwards;}
@keyframes lap-in{0%{opacity:0;transform:translateX(-50%) scale(0.7);}15%{opacity:1;transform:translateX(-50%) scale(1.1);}30%{transform:translateX(-50%) scale(1);}80%{opacity:1;}100%{opacity:0;}}

/* ── OVERLAY ─────────────────────────────────────────────────── */
#overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:28px;background:rgba(3,0,6,0.93);backdrop-filter:blur(4px);transition:opacity 0.3s;z-index:30;border-radius:calc(var(--radius-lg) - 3px);}
#overlay.hidden{opacity:0;pointer-events:none;}
.overlay-icon{font-size:5rem;animation:retro-bounce 1.5s ease-in-out infinite;filter:drop-shadow(0 0 16px var(--neon-pink));}
@keyframes retro-bounce{0%,100%{transform:translateY(0);}25%{transform:translateY(-16px);}75%{transform:translateY(-8px);}}
.overlay-title{font-family:var(--font-title);font-size:1.6rem;letter-spacing:3px;color:var(--neon-yel);text-align:center;text-shadow:0 0 20px var(--yel-glow);animation:retro-flicker 4s linear infinite;}
@keyframes retro-flicker{0%,96%,100%{opacity:1;}97%{opacity:0.85;}98%{opacity:1;}99%{opacity:0.9;}}
.overlay-sub{color:var(--text-dim);font-size:0.85rem;font-weight:700;text-align:center;max-width:400px;line-height:1.8;}
.retro-divider{width:200px;height:2px;background:linear-gradient(90deg,transparent,var(--neon-pink),transparent);}
.overlay-btn{font-family:var(--font-title);font-size:0.7rem;letter-spacing:2px;padding:13px 40px;background:linear-gradient(135deg,#974f00,#ff8653);border:2px solid var(--neon-pink);border-radius:var(--radius);color:#fff;cursor:pointer;transition:all 0.2s;box-shadow:0 0 20px var(--pink-glow);touch-action:manipulation;}
.overlay-btn:hover{transform:translateY(-2px);box-shadow:0 0 36px var(--pink-glow);}
.overlay-btn:active{transform:scale(0.97);}

/* ── MOBILE TOUCH CONTROLS ───────────────────────────────────── */
#touch-controls{display:none;width:100%;max-width:800px;background:rgba(8,0,16,0.9);border:2px solid rgba(255,68,204,0.3);border-radius:var(--radius-lg);padding:10px;gap:8px;justify-content:space-moveween;align-items:center;}
@media(hover:none){#touch-controls{display:flex;}}
.touch-btn{font-family:var(--font-title);font-size:1rem;width:60px;height:60px;background:rgba(255,68,204,0.1);border:2px solid rgba(255,68,204,0.4);border-radius:var(--radius);color:var(--neon-pink);display:flex;align-items:center;justify-content:center;user-select:none;-webkit-user-select:none;touch-action:manipulation;cursor:pointer;box-shadow:0 0 8px rgba(255,68,204,0.2);}
.touch-btn:active{background:rgba(255,68,204,0.3);box-shadow:0 0 16px var(--pink-glow);}
#touch-gas{width:80px;height:80px;background:rgba(255,221,0,0.1);border-color:rgba(255,221,0,0.6);color:var(--neon-yel);font-size:1.4rem;}
#touch-gas:active{background:rgba(255,221,0,0.3);}

/* ── ABOUT / LEGAL ───────────────────────────────────────────── */
.page-hero{position:relative;z-index:1;padding:50px 36px 38px;background:var(--panel);border-bottom:3px solid var(--neon-pink);box-shadow:0 4px 20px var(--pink-glow);}
.page-hero::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--neon-pink),var(--neon-blue),var(--neon-yel),var(--neon-pink));animation:neon-scroll 3s linear infinite;background-size:200% 100%;}
.page-hero h1{font-family:var(--font-title);font-size:1.4rem;letter-spacing:3px;color:var(--neon-yel);margin-bottom:14px;text-shadow:0 0 16px var(--yel-glow);}
.page-hero .hero-icon{font-size:3.5rem;margin-bottom:14px;filter:drop-shadow(0 0 10px var(--neon-pink));}
.page-hero p{font-size:1.05rem;font-weight:600;color:var(--text-dim);max-width:640px;line-height:1.7;}
.content-section{position:relative;z-index:1;padding:50px 36px;max-width:960px;margin:0 auto;}
.content-section+.content-section{border-top:1px solid rgba(255,68,204,0.1);}
.section-heading{font-family:var(--font-title);font-size:0.85rem;letter-spacing:2px;color:var(--neon-pink);margin-bottom:22px;display:flex;align-items:center;gap:14px;text-shadow:0 0 8px var(--pink-glow);}
.section-heading::after{content:'';flex:1;height:2px;background:linear-gradient(90deg,rgba(255,68,204,0.5),transparent);}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.info-card{background:var(--panel);border:2px solid rgba(255,68,204,0.2);border-radius:var(--radius-lg);padding:22px;border-left:3px solid var(--neon-pink);transition:all 0.2s;}
.info-card:hover{border-color:rgba(255,68,204,0.5);box-shadow:0 0 16px var(--pink-glow);}
.info-card h3{font-family:var(--font-title);font-size:0.6rem;color:var(--neon-yel);margin-bottom:12px;letter-spacing:1px;}
.info-card p,.info-card li{color:var(--text-dim);font-size:0.95rem;line-height:1.75;font-weight:600;}
.info-card ul{padding-left:0;list-style:none;display:flex;flex-direction:column;gap:5px;}
.info-card li::before{content:'🏎 ';}
.steps{display:flex;flex-direction:column;gap:14px;}
.step{display:flex;gap:16px;background:var(--panel);border-radius:var(--radius);padding:16px;border-left:3px solid var(--neon-blue);}
.step-num{font-family:var(--font-title);font-size:1rem;color:var(--neon-blue);flex-shrink:0;line-height:1.5;}
.step-body h4{font-family:var(--font-title);font-size:0.6rem;color:var(--white);margin-bottom:6px;letter-spacing:1px;}
.step-body p{color:var(--text-dim);font-size:0.95rem;line-height:1.65;font-weight:600;}
.controls-grid{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;align-items:center;}
.key{background:rgba(255,221,0,0.08);border:1px solid rgba(255,221,0,0.35);border-radius:4px;padding:4px 10px;font-family:var(--font-title);font-size:0.5rem;color:var(--neon-yel);white-space:nowrap;}
.key-desc{color:var(--text-dim);font-size:0.9rem;font-weight:600;}
.legal-content{position:relative;z-index:1;padding:48px 36px;max-width:820px;margin:0 auto;}
.legal-content h2{font-family:var(--font-title);font-size:0.65rem;color:var(--neon-pink);margin:32px 0 12px;letter-spacing:1px;}
.legal-content h2:first-child{margin-top:0;}
.legal-content p,.legal-content li{color:var(--text-dim);font-size:0.95rem;line-height:1.8;font-weight:600;margin-bottom:10px;}
.legal-content ul{padding-left:20px;margin-bottom:16px;}
.highlight{background:rgba(255,68,204,0.08);border-left:3px solid var(--neon-pink);padding:12px 16px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;}
.legal-divider{height:2px;background:linear-gradient(90deg,transparent,rgba(255,68,204,0.4),transparent);margin:28px 0;}
.last-updated{font-size:0.82rem;color:var(--text-dim);font-style:italic;margin-bottom:28px;}
.contact-row{display:flex;gap:14px;flex-wrap:wrap;}
.contact-card{flex:1;min-width:180px;background:var(--panel);border:1px solid rgba(255,68,204,0.15);border-radius:var(--radius-lg);padding:18px 22px;display:flex;flex-direction:column;gap:6px;}
.contact-card .label{font-family:var(--font-title);font-size:0.42rem;letter-spacing:2px;color:var(--text-dim);}
.contact-card a,.contact-card p{color:var(--neon-pink);font-size:0.9rem;font-weight:700;text-decoration:none;transition:color 0.2s;word-break:break-all;}
.contact-card a:hover{color:var(--neon-yel);}
footer{position:relative;z-index:1;background:var(--void);border-top:2px solid rgba(255,68,204,0.2);padding:18px 36px;display:flex;align-items:center;justify-content:space-moveween;flex-wrap:wrap;gap:12px;}
.footer-left{font-family:var(--font-body);font-size:0.8rem;font-weight:700;color:var(--text-dim);}
.footer-links{display:flex;gap:18px;}
.footer-links a{font-size:0.8rem;font-weight:700;text-transform:uppercase;color:var(--text-dim);text-decoration:none;transition:color 0.2s;}
.footer-links a:hover{color:var(--neon-pink);}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media(max-width:768px){header{padding:10px 16px;}.logo{font-size:0.85rem;}nav{gap:14px;}#game-section{padding:10px 8px 40px;gap:8px;}.card-grid{grid-template-columns:1fr;}.content-section{padding:40px 16px;}.page-hero{padding:36px 20px;}.page-hero h1{font-size:1.1rem;}.legal-content{padding:36px 20px;}footer{padding:14px 20px;flex-direction:column;text-align:center;}}
@media(max-width:480px){header{padding:8px 12px;}.logo{font-size:0.7rem;}nav a{display:none;}nav a.always{display:block;}#hud{flex-wrap:wrap;}.hud-cell{min-width:calc(33% - 2px);padding:7px 3px;}.hud-value{font-size:0.7rem;}.hud-label{font-size:0.3rem;}#hud-controls{width:100%;justify-content:center;border-left:none;border-top:1px solid rgba(255,68,204,0.15);padding:8px;}.overlay-title{font-size:1.1rem;letter-spacing:2px;}#lang-dropdown{right:auto;left:0;}}
@media(hover:none){.info-card:hover{border-color:rgba(255,68,204,0.2);box-shadow:none;}.overlay-btn:hover,#start-btn:hover{transform:none;}.overlay-btn:active,#start-btn:active{transform:scale(0.97);}}

/* unique-game-theme: chrome_curve_rally */