/* ============ SHOWCASE TEMPLATE v3 ============ */
*{box-sizing:border-box;margin:0;padding:0}
body{min-height:100vh;background:radial-gradient(ellipse at 30% 20%,#1a120b 0%,transparent 60%),radial-gradient(ellipse at 70% 80%,#26100a 0%,transparent 60%),#0f0a08;font-family:'Segoe UI',sans-serif;display:grid;place-items:center;padding:20px;overflow:hidden}
.wrap{width:100%;max-width:460px;display:flex;flex-direction:column;align-items:center;gap:18px;position:relative;transition:max-width .4s}
.wrap.wide{max-width:820px}
.ratio-btn{position:absolute;top:-6px;right:0;z-index:20;padding:6px 14px;border:1px solid rgba(255,159,67,.5);border-radius:20px;background:rgba(0,0,0,.6);color:#ff9f43;font-family:'Consolas',monospace;font-size:11px;font-weight:700;cursor:pointer;transition:.2s}
.ratio-btn:hover{background:rgba(255,159,67,.2)}
.shimmer-title{font-size:2rem;font-weight:800;letter-spacing:1px;text-align:center;background:linear-gradient(90deg,#ff9f43,#ff6b6b,#ff9f43);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 7s ease-in-out infinite;filter:drop-shadow(0 4px 12px rgba(0,0,0,.6))}
@keyframes shimmer{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

.device{width:100%;display:flex;flex-direction:column;align-items:center}
.frame{position:relative;width:100%;padding:12px;background:#15151b;border-radius:38px;box-shadow:0 0 0 2px rgba(255,159,67,.35),0 0 40px rgba(255,159,67,.12),0 30px 80px rgba(0,0,0,.7);transition:border-radius .4s,padding .4s}
.notch{position:absolute;top:12px;left:50%;transform:translateX(-50%);width:86px;height:18px;background:#000;border:1px solid #1a1a22;border-top:none;border-radius:0 0 12px 12px;z-index:20;display:flex;align-items:center;justify-content:flex-end;padding-right:10px}
.notch::after{content:"";width:6px;height:6px;border-radius:50%;background:#3a2a12;box-shadow:0 0 4px #ff9f43}
.stand-neck,.stand-base{display:none}
.device.wide .frame{padding:10px;border-radius:16px}
.device.wide .notch{display:none}
.device.wide .stand-neck{display:block;width:70px;height:46px;background:linear-gradient(#2a2a30,#15151b)}
.device.wide .stand-base{display:block;width:230px;height:14px;background:linear-gradient(#3a3a40,#15151b);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.6)}
.frame-inner{position:relative;background:#050508;border-radius:26px;overflow:hidden;height:calc(100vh - 170px);max-height:calc(94vw * 16 / 9);aspect-ratio:9/16;display:flex;flex-direction:column;margin:0 auto}
.device.wide .frame-inner{aspect-ratio:16/9;height:auto;max-height:70vh;border-radius:10px}

.stage{flex:0 0 42%;background:#120b06;display:flex;justify-content:center;align-items:center;padding:20px;position:relative;overflow:hidden}
.stage::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,159,67,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,159,67,.05) 1px,transparent 1px);background-size:28px 28px;pointer-events:none}
.btn-wrap{position:relative;z-index:2;width:100%;height:100%;display:grid;place-items:center;opacity:0;transform:translateY(10px);transition:opacity .6s,transform .6s}
.btn-wrap.show{opacity:1;transform:translateY(0)}
.divider{height:2px;background:linear-gradient(90deg,transparent,rgba(255,159,67,.3),transparent);flex-shrink:0}
.code-area{flex:1;background:#140d08;position:relative;overflow:hidden;padding:14px 16px}
.code-inner{font-family:'Consolas','Courier New',monospace;font-size:.82rem;line-height:1.5;color:#ffd9a0;white-space:pre-wrap;word-break:break-word;height:100%;overflow:hidden}
.code-inner .kw{color:#ff9f43}.code-inner .str{color:#ffe9a8}.code-inner .num{color:#ff6b6b}
.code-inner .cmt{color:#7a5a3a;font-style:italic}.code-inner .fn{color:#ff9f43}.code-inner .prop{color:#ff9f43}
.cursor{display:inline-block;width:8px;height:1em;background:#ff9f43;vertical-align:-2px;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.arrow{position:absolute;top:36%;transform:translateY(-50%);width:36px;height:36px;border:1px solid rgba(255,159,67,.3);background:rgba(0,0,0,.6);color:#ff9f43;font-size:1.3rem;border-radius:50%;cursor:pointer;z-index:10;opacity:0;transition:opacity .25s,background .25s,transform .25s;backdrop-filter:blur(6px)}
.frame-inner:hover .arrow{opacity:1}
.arrow:hover{background:rgba(255,159,67,.3);transform:translateY(-50%) scale(1.1)}
.arrow.left{left:10px}.arrow.right{right:10px}
.brand{position:absolute;bottom:10px;right:14px;font-size:11px;font-weight:800;letter-spacing:3px;color:rgba(255,159,67,.3);z-index:5}

/* ============ 01 COFFEE FILL ============ */
.cf-btn{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 34px;border:2px solid #6f4e37;border-radius:14px;background:#1a120b;color:#e8d5b7;font-family:'Segoe UI',sans-serif;font-weight:700;letter-spacing:2px;font-size:13px;cursor:pointer;transition:.3s}
.cf-fill{position:absolute;left:0;right:0;bottom:0;height:0;background:#6f4e37;transition:height .9s ease}
.cf-fill::before{content:"";position:absolute;top:-10px;left:0;width:200%;height:12px;background:radial-gradient(circle at 8px 12px,#6f4e37 6px,transparent 7px) repeat-x;background-size:16px 12px;animation:cf-wave 1.2s linear infinite}
@keyframes cf-wave{to{transform:translateX(-16px)}}
.cf-btn:hover .cf-fill{height:100%}
.cf-top{position:relative;z-index:1;display:flex;align-items:center;gap:10px;transition:.3s}
.cf-btn:hover .cf-top{color:#fff}
.cf-cupwrap{position:relative;font-size:18px}
.cf-cupwrap i{position:absolute;top:-9px;width:3px;height:9px;border-radius:3px;background:rgba(255,255,255,.75);opacity:0;filter:blur(1px)}
.cf-cupwrap i:nth-child(1){left:2px}.cf-cupwrap i:nth-child(2){left:8px}.cf-cupwrap i:nth-child(3){left:14px}
.cf-btn:hover .cf-cupwrap i{animation:cf-steam 1.4s ease infinite}
.cf-btn:hover .cf-cupwrap i:nth-child(2){animation-delay:.3s}
.cf-btn:hover .cf-cupwrap i:nth-child(3){animation-delay:.6s}
@keyframes cf-steam{0%{opacity:0;transform:translateY(4px)}40%{opacity:.8}100%{opacity:0;transform:translateY(-10px)}}

/* ============ 02 CHEESE PULL ============ */
.pz-btn{position:relative;padding:30px 34px 16px;border:none;border-radius:14px;background:linear-gradient(135deg,#d63b2f,#a22218);color:#ffe9a8;font-family:'Segoe UI',sans-serif;font-weight:800;letter-spacing:2px;font-size:13px;cursor:pointer;transition:.3s}
.pz-btn:hover{box-shadow:0 8px 30px rgba(214,59,47,.4)}
.pz-slice{position:absolute;top:-4px;left:50%;transform:translateX(-50%);font-size:26px;transition:transform .5s cubic-bezier(.34,1.56,.64,1)}
.pz-cheese{position:absolute;top:-6px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.pz-cheese i{width:3px;height:0;background:linear-gradient(#ffd766,#ffef9e);border-radius:2px;transition:height .4s}
.pz-btn:hover .pz-slice{transform:translateX(-50%) translateY(-22px) rotate(-14deg)}
.pz-btn:hover .pz-cheese i{height:20px}
.pz-btn:hover .pz-cheese i:nth-child(2){height:26px;transition-delay:.05s}
.pz-btn:hover .pz-cheese i:nth-child(3){transition-delay:.1s}

/* ============ 03 SCOOTER DELIVERY ============ */
.sc-btn{position:relative;overflow:hidden;padding:18px 44px;border:2px solid #2ecc71;border-radius:40px;background:#0d1a12;color:#b8ffd9;font-family:'Segoe UI',sans-serif;font-weight:800;letter-spacing:2px;font-size:13px;cursor:pointer}
.sc-scooter{position:absolute;top:6px;left:-34px;font-size:20px;transition:left 1.1s cubic-bezier(.5,0,.8,1)}
.sc-btn:hover .sc-scooter{left:105%}
.sc-road{position:absolute;bottom:6px;left:8%;right:8%;height:2px;background:repeating-linear-gradient(90deg,#2ecc71 0 8px,transparent 8px 16px);opacity:.4;animation:sc-road .6s linear infinite}
@keyframes sc-road{to{background-position:-16px 0}}
.sc-l2{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:translateY(8px);transition:.3s}
.sc-btn:hover .sc-l1{opacity:0}
.sc-btn:hover .sc-l2{opacity:1;transform:none;transition-delay:.55s}

/* ============ 04 BURGER STACK ============ */
.bg-btn{position:relative;overflow:hidden;padding:34px 34px 14px;border:2px solid #f39c12;border-radius:14px;background:#241505;color:#ffd9a0;font-family:'Segoe UI',sans-serif;font-weight:800;letter-spacing:2px;font-size:13px;cursor:pointer}
.bg-btn:hover{box-shadow:0 8px 30px rgba(243,156,18,.35)}
.bg-stack{position:absolute;top:3px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column-reverse;font-size:12px;line-height:11px}
.bg-stack i{font-style:normal;opacity:0;transform:translateY(-40px)}
.bg-btn:hover .bg-stack i{opacity:1;transform:none;transition:.35s cubic-bezier(.34,1.56,.64,1)}
.bg-btn:hover .bg-stack i:nth-child(1){transition-delay:.05s}
.bg-btn:hover .bg-stack i:nth-child(2){transition-delay:.15s}
.bg-btn:hover .bg-stack i:nth-child(3){transition-delay:.25s}
.bg-btn:hover .bg-stack i:nth-child(4){transition-delay:.35s}
.bg-btn:hover .bg-stack i:nth-child(5){transition-delay:.45s}
.bg-l2{position:absolute;left:0;right:0;bottom:14px;opacity:0;transition:.3s}
.bg-btn:hover .bg-l1{opacity:0}
.bg-btn:hover .bg-l2{opacity:1;transition-delay:.6s}

/* ============ 05 SODA FIZZ ============ */
.fz-btn{position:relative;overflow:hidden;padding:16px 34px;border:2px solid #00a8ff;border-radius:14px;background:linear-gradient(180deg,#001a26,#003348);color:#bfe9ff;font-family:'Segoe UI',sans-serif;font-weight:800;letter-spacing:2px;font-size:13px;cursor:pointer;transition:.3s}
.fz-btn:hover{background:linear-gradient(180deg,#003348,#005f86);box-shadow:0 0 24px rgba(0,168,255,.4)}
.fz-bubbles i{position:absolute;bottom:-8px;width:6px;height:6px;border-radius:50%;background:rgba(191,233,255,.7);opacity:0}
.fz-bubbles i:nth-child(1){left:10%}.fz-bubbles i:nth-child(2){left:26%;width:4px;height:4px}
.fz-bubbles i:nth-child(3){left:44%}.fz-bubbles i:nth-child(4){left:60%;width:5px;height:5px}
.fz-bubbles i:nth-child(5){left:76%}.fz-bubbles i:nth-child(6){left:88%;width:4px;height:4px}
.fz-btn:hover .fz-bubbles i{animation:fz-rise 1.2s linear infinite}
.fz-btn:hover .fz-bubbles i:nth-child(2){animation-delay:.2s}
.fz-btn:hover .fz-bubbles i:nth-child(3){animation-delay:.4s}
.fz-btn:hover .fz-bubbles i:nth-child(4){animation-delay:.1s}
.fz-btn:hover .fz-bubbles i:nth-child(5){animation-delay:.3s}
.fz-btn:hover .fz-bubbles i:nth-child(6){animation-delay:.5s}
@keyframes fz-rise{0%{opacity:0;transform:translateY(0)}20%{opacity:.9}100%{opacity:0;transform:translateY(-70px)}}

/* mobile */
@media (max-width:480px){
  body{padding:10px}.wrap{max-width:100%;gap:12px}
  .shimmer-title{font-size:1.5rem}
  .code-inner{font-size:.75rem}
  .arrow{width:32px;height:32px;font-size:1.1rem}
  .arrow,.frame-inner:hover .arrow{opacity:.7}
}

.demo-banner{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#ff9f43 0%,#ff6b6b 100%);color:#fff;padding:14px 28px;border-radius:60px;font-weight:800;font-size:15px;text-decoration:none;z-index:9999;box-shadow:0 10px 30px rgba(255,159,67,.4);white-space:nowrap;transition:all .25s ease;font-family:'Segoe UI',sans-serif;animation:demoBannerPulse 2.5s ease-in-out infinite}
.demo-banner:hover{transform:translateX(-50%) translateY(-3px) scale(1.05)}
@keyframes demoBannerPulse{0%,100%{box-shadow:0 10px 30px rgba(255,159,67,.4)}50%{box-shadow:0 10px 30px rgba(255,159,67,.65),0 0 25px rgba(255,107,107,.4)}}
@media (max-width:480px){.demo-banner{font-size:13px;padding:12px 22px;bottom:12px}}