:root{--accent:#F37050;--accent-deep:#e0503a;--accent-ink:#fff;--bg:#07070b;--card:#121219;--line:rgba(255,255,255,.09);--text:#f5f5f7;--muted:#a3a3ad}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%;background:var(--bg);color:var(--text)}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

/* Ambient loop background */
.ambient{position:fixed;inset:0;overflow:hidden;z-index:0;background:radial-gradient(120% 80% at 50% 0%,#1a1220 0%,#0b0b10 55%,#050507 100%)}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;will-change:transform}
.o1{width:340px;height:340px;background:var(--accent);top:-80px;left:-120px;opacity:.35;animation:drift1 18s ease-in-out infinite alternate}
.o2{width:300px;height:300px;background:#b02a7a;bottom:-60px;right:-120px;opacity:.3;animation:drift2 22s ease-in-out infinite alternate}
.o3{width:220px;height:220px;background:#6a3cc9;top:45%;left:60%;opacity:.18;animation:drift3 26s ease-in-out infinite alternate}
.grain{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:3px 3px;opacity:.35}
@keyframes drift1{to{transform:translate(160px,220px) scale(1.2)}}
@keyframes drift2{to{transform:translate(-180px,-260px) scale(1.15)}}
@keyframes drift3{to{transform:translate(-220px,120px) scale(1.3)}}

/* Intro overlay */
#intro{position:fixed;inset:0;z-index:20;display:grid;place-items:center;background:#050507;animation:introOut .6s ease 2s forwards;pointer-events:none}
.intro-logo{position:relative;width:min(78vw,340px);overflow:hidden;animation:introLogo 2.1s cubic-bezier(.2,.8,.2,1) both}
.intro-logo img{display:block;width:100%;height:auto}
.shine{position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.75) 50%,transparent 65%);transform:translateX(-120%);mix-blend-mode:overlay;pointer-events:none}
.intro-logo .shine{animation:sweep 1.1s ease-in-out .7s both}
@keyframes introLogo{0%{opacity:0;transform:scale(.86);filter:blur(10px)}35%{opacity:1;transform:scale(1);filter:blur(0)}85%{opacity:1;transform:scale(1.02)}100%{opacity:0;transform:scale(1.06) translateY(-30px)}}
@keyframes sweep{to{transform:translateX(120%)}}
@keyframes introOut{to{opacity:0;visibility:hidden}}

/* Layout */
.stage{position:relative;z-index:1;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:calc(20px + env(safe-area-inset-top)) 16px calc(16px + env(safe-area-inset-bottom));perspective:1400px}
.card{position:relative;width:100%;max-width:390px;transform-style:preserve-3d;transition:transform .8s cubic-bezier(.3,.9,.3,1);animation:cardIn 1.1s cubic-bezier(.2,.9,.25,1.05) 1.75s both}
.card.flipped{transform:rotateY(180deg)}
@keyframes cardIn{from{opacity:0;transform:translateY(70px) rotateX(28deg) scale(.94)}to{opacity:1;transform:none}}
.face{border-radius:26px;padding:26px 22px 22px;background:linear-gradient(160deg,rgba(32,30,40,.92),rgba(14,14,20,.96));border:1px solid var(--line);box-shadow:0 30px 80px -20px rgba(0,0,0,.8),0 0 0 1px color-mix(in srgb, var(--accent) 6%, transparent),inset 0 1px 0 rgba(255,255,255,.06);backface-visibility:hidden;-webkit-backface-visibility:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.front{position:relative;transform:translateZ(1px)}
.front::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.9}
.back{position:absolute;inset:0;transform:rotateY(180deg) translateZ(1px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px}

.logo-wrap{position:relative;overflow:hidden;width:86%;margin:4px auto 20px}
.logo{display:block;width:100%;height:auto}
.logo-wrap .shine{animation:sweep 1.2s ease-in-out 2.5s both}
h1{font-size:30px;font-weight:800;letter-spacing:-.02em;text-align:center}
.role{text-align:center;color:var(--text);opacity:.85;font-size:15px;margin-top:4px}
.tagline{text-align:center;color:var(--accent);font-weight:600;font-size:15px;margin-top:6px}
.loc{display:flex;align-items:center;justify-content:center;gap:5px;color:var(--muted);font-size:13px;margin-top:8px}
.loc svg{width:14px;height:14px;fill:var(--accent)}

.actions{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.btn{display:flex;align-items:center;gap:14px;min-height:56px;padding:10px 18px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--line);transition:transform .15s ease,background .2s ease,border-color .2s ease;-webkit-tap-highlight-color:transparent}
.btn:hover{background:rgba(255,255,255,.08);border-color:color-mix(in srgb, var(--accent) 35%, transparent)}
.btn:active{transform:scale(.97)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn svg{width:22px;height:22px;fill:currentColor;flex:none}
.btn span{display:flex;flex-direction:column;line-height:1.15}
.btn small{font-size:12px;opacity:.75;font-weight:500}
.btn b{font-size:17px;font-weight:700}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));border-color:transparent;color:var(--accent-ink);box-shadow:0 12px 30px -10px color-mix(in srgb, var(--accent) 70%, transparent)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.accent-outline{border-color:color-mix(in srgb, var(--accent) 55%, transparent);color:#fff}
.btn.accent-outline svg{fill:var(--accent)}
.btn:not(.primary):not(.small) svg{fill:var(--accent)}
.row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.btn.small{flex-direction:column;justify-content:center;gap:6px;min-height:70px;padding:10px 4px;font-size:12.5px;font-weight:600;text-align:center}
.btn.small svg{fill:var(--accent);width:21px;height:21px}

.small-logo{width:62%;height:auto}
.scan{color:var(--muted);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.qr-frame{background:#fff;padding:6px;border-radius:18px;box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent),0 20px 50px -15px color-mix(in srgb, var(--accent) 45%, transparent)}
.qr-frame img{display:block;width:220px;height:220px;image-rendering:pixelated}
.qr-caption{font-weight:700;font-size:16px}
.back-btn{flex-direction:row!important;min-height:48px!important;padding:10px 18px!important;font-size:14px!important}

.foot{margin-top:18px;font-size:12px;color:var(--muted);text-align:center}
.foot a{color:var(--text);border-bottom:1px solid color-mix(in srgb, var(--accent) 60%, transparent)}

/* Staggered entrance */
.s{animation:rise .6s cubic-bezier(.2,.8,.2,1) both}
.s1{animation-delay:2.15s}.s2{animation-delay:2.25s}.s3{animation-delay:2.35s}.s4{animation-delay:2.45s}.s5{animation-delay:2.55s}.s6{animation-delay:2.65s}.s7{animation-delay:2.75s}.s8{animation-delay:2.9s}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

#toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,20px);background:#1d1d26;border:1px solid color-mix(in srgb, var(--accent) 50%, transparent);padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:.25s;z-index:30;pointer-events:none}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* Desktop: centred card with more presence */
@media (min-width:700px){.card{max-width:400px}.face{padding:32px 28px 26px}}
@media (max-height:700px){.logo-wrap{margin-bottom:12px}.actions{margin-top:14px}.btn{min-height:50px}}

@media (prefers-reduced-motion:reduce){
  #intro{display:none}
  .card,.s,.orb,.shine,.logo-wrap .shine{animation:none!important}
  .card{transition:none}
  .shine{display:none}
}

/* Only the visible face takes taps (hidden face would otherwise intercept them) */
.card .back{pointer-events:none}
.card.flipped .back{pointer-events:auto}
.card.flipped .front{pointer-events:none}
/* Release the entrance animation once done, so the flip transform can apply */
body.ready .card{animation:none}