/* =========================================================
   Khảo Sát Thói Quen Trader Crypto — H5 landing
   themes: [data-theme="gold"] (default) / [data-theme="neon"]
   ========================================================= */

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:#05060a;color:#fff;-webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
svg{fill:currentColor}

/* ---------- theme tokens ---------- */
:root{
  --w:100vw;                       /* logical H5 width, drives type scale */
  --acc:#ffc93c;
  --acc-2:#fff3c4;
  --acc-3:#f39c12;
  --acc-rgb:255,201,60;
  --line:rgba(255,190,70,.34);
  --line-soft:rgba(255,190,70,.16);
  --card:rgba(24,16,6,.66);
  --card-2:rgba(12,8,3,.86);
  --ink:#100a02;
  --up:#31d67a;
  --muted:#cbb894;
  --halo:radial-gradient(circle,rgba(255,190,60,.55) 0%,rgba(255,150,20,.20) 42%,rgba(255,120,0,0) 70%);
  --title-grad:linear-gradient(180deg,#fff8dc 4%,#ffd964 34%,#f5a815 62%,#ffe9a4 82%,#e08b05 100%);
  --prize-grad:linear-gradient(180deg,#fffbe8 6%,#ffdf7a 30%,#f6ac1c 58%,#ffe9a2 78%,#d98c07 100%);
  --cta-grad:linear-gradient(180deg,#ffe9a3 0%,#ffc93c 42%,#f0a20d 62%,#ffd863 100%);
  --cta-ink:#2a1a00;
  --bg-img:url("../img/bg-gold.jpg");
  --coin:url("../img/coin-gold.png");
  --grid:rgba(255,180,60,.055);
}
[data-theme="neon"]{
  --acc:#39dcff;
  --acc-2:#ffffff;
  --acc-3:#c46bff;
  --acc-rgb:57,220,255;
  --line:rgba(90,170,255,.42);
  --line-soft:rgba(90,170,255,.18);
  --card:rgba(14,20,58,.62);
  --card-2:rgba(7,10,34,.86);
  --ink:#050818;
  --up:#2ee6a8;
  --muted:#a9bbe6;
  --halo:radial-gradient(circle,rgba(120,90,255,.55) 0%,rgba(60,200,255,.22) 44%,rgba(40,120,255,0) 72%);
  --title-grad:linear-gradient(180deg,#ffffff 10%,#dfe9ff 55%,#a9c4ff 100%);
  --prize-grad:linear-gradient(180deg,#ffffff 8%,#bfe6ff 34%,#9fb8ff 62%,#e6b9ff 100%);
  --cta-grad:linear-gradient(90deg,#2ec9ff 0%,#7b5bff 52%,#ff4fc4 100%);
  --cta-ink:#ffffff;
  --bg-img:url("../img/bg-neon.jpg");
  --coin:url("../img/coin-neon.png");
  --grid:rgba(90,170,255,.07);
}

/* ---------- desktop stage ---------- */
.stage{
  min-height:100vh;min-height:100dvh;
  display:flex;align-items:flex-start;justify-content:center;
  background:#05060a;
  position:relative;
}
.stage::before{
  content:"";position:fixed;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 45% at 50% 0%,rgba(var(--acc-rgb),.16),transparent 70%),
    radial-gradient(50% 40% at 50% 100%,rgba(var(--acc-rgb),.10),transparent 70%),
    #05060a;
}
.phone{
  position:relative;width:100%;max-width:480px;
  min-height:100vh;min-height:100dvh;
  overflow:hidden;isolation:isolate;
  background:#07050a;
}
@media (min-width:520px){
  :root{--w:480px}
  .stage{align-items:center;padding:26px 0}
  .phone{
    min-height:auto;border-radius:26px;
    box-shadow:0 0 0 1px rgba(255,255,255,.07),0 40px 120px rgba(0,0,0,.9),
               0 0 90px rgba(var(--acc-rgb),.14);
  }
}

/* ---------- background layers ---------- */
.bg{position:absolute;inset:0;z-index:0}
.bg__img{
  position:absolute;inset:0;
  background:var(--bg-img) center/cover no-repeat;
  opacity:.62;filter:saturate(1.05);
}
.bg__grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),
                   linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(180deg,transparent,#000 18%,#000 78%,transparent);
}
.bg__glow{
  position:absolute;left:50%;top:34%;width:120%;aspect-ratio:1;transform:translate(-50%,-50%);
  background:var(--halo);opacity:.5;filter:blur(6px);
}
.bg__vig{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(4,3,2,.86) 0%,rgba(4,3,2,.35) 22%,rgba(4,3,2,.42) 58%,rgba(3,2,1,.92) 100%),
    radial-gradient(120% 70% at 50% 40%,transparent 30%,rgba(0,0,0,.72) 100%);
}
[data-theme="neon"] .bg__vig{
  background:
    linear-gradient(180deg,rgba(3,5,20,.86) 0%,rgba(3,5,20,.30) 22%,rgba(3,5,20,.40) 58%,rgba(2,3,14,.92) 100%),
    radial-gradient(120% 70% at 50% 40%,transparent 30%,rgba(1,2,10,.74) 100%);
}

.content{position:relative;z-index:1;padding:calc(var(--w)*.032) calc(var(--w)*.042) calc(var(--w)*.05)}

/* ---------- badge ---------- */
.badge{
  margin:0 auto;width:max-content;
  display:flex;align-items:center;gap:7px;
  padding:6px 16px 6px 12px;border-radius:999px;
  background:linear-gradient(180deg,rgba(30,22,8,.92),rgba(10,7,3,.92));
  border:1.5px solid var(--line);
  box-shadow:0 0 18px rgba(var(--acc-rgb),.22),inset 0 1px 0 rgba(255,255,255,.08);
  font-weight:700;font-size:calc(var(--w)*.038);letter-spacing:.2px;
}
[data-theme="neon"] .badge{background:linear-gradient(180deg,rgba(16,24,64,.92),rgba(6,9,30,.92))}
.badge__ic{width:1.05em;height:1.05em;color:#4aa8ff}
.badge__ic *{fill:none}
.badge__ic rect:nth-child(1){fill:#3ecf8e}
.badge__ic rect:nth-child(2){fill:#4aa8ff}
.badge__ic rect:nth-child(3){fill:#ffb020}

/* ---------- title ---------- */
.title{
  margin:calc(var(--w)*.028) 0 0;text-align:center;
  font-family:Montserrat,"Be Vietnam Pro",sans-serif;
  font-weight:900;font-style:italic;
  font-size:calc(var(--w)*.108);line-height:1.02;letter-spacing:-.5px;
  text-transform:none;
}
.title__w{
  background:var(--title-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 0 rgba(90,45,0,.55)) drop-shadow(0 6px 16px rgba(255,160,30,.35));
  padding-right:.06em;
}
[data-theme="neon"] .title__w{filter:drop-shadow(0 0 14px rgba(120,180,255,.55))}
[data-theme="neon"] .title .w2{background:linear-gradient(180deg,#eaf6ff,#5ed7ff 60%,#26a9ff);-webkit-background-clip:text;background-clip:text}
[data-theme="neon"] .title .w3{background:linear-gradient(180deg,#ffffff,#9fd8ff 60%,#48b6ff);-webkit-background-clip:text;background-clip:text}
[data-theme="neon"] .title .w4{background:linear-gradient(180deg,#f3e6ff,#c07bff 60%,#8b45ff);-webkit-background-clip:text;background-clip:text}

.subtitle{
  margin:calc(var(--w)*.022) 0 0;text-align:center;
  font-size:calc(var(--w)*.0365);color:#e7e2d6;font-weight:500;letter-spacing:.1px;line-height:1.42;
  text-shadow:0 2px 8px rgba(0,0,0,.7);
}
.subtitle i{font-style:normal;color:var(--acc);padding:0 2px}

/* ---------- ribbon ---------- */
.ribbon{
  margin:calc(var(--w)*.03) auto 0;width:max-content;max-width:100%;
  display:flex;align-items:center;gap:calc(var(--w)*.018);
}
.ribbon__txt{
  display:block;padding:8px calc(var(--w)*.035);border-radius:8px;
  background:linear-gradient(180deg,rgba(26,18,6,.95),rgba(8,6,2,.95));
  border:1.5px solid var(--line);
  box-shadow:0 0 22px rgba(var(--acc-rgb),.20),inset 0 1px 0 rgba(255,255,255,.07);
  color:var(--acc-2);font-weight:800;letter-spacing:.4px;
  font-size:calc(var(--w)*.0262);text-transform:uppercase;text-align:center;line-height:1.15;white-space:nowrap;
}
[data-theme="neon"] .ribbon__txt{
  background:linear-gradient(180deg,rgba(14,20,60,.95),rgba(5,8,26,.95));
  color:#fff;border-radius:4px;
  clip-path:polygon(10px 0,calc(100% - 10px) 0,100% 50%,calc(100% - 10px) 100%,10px 100%,0 50%);
  border:1.5px solid rgba(120,190,255,.5);
}
.ribbon__orn{width:calc(var(--w)*.066);height:calc(var(--w)*.066);flex:none;color:var(--acc)}
.ribbon__orn *{fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.ribbon__orn .laurel path:not(:first-child){fill:currentColor;stroke-width:1}
.ribbon__orn--r{transform:scaleX(-1)}
.ribbon__orn .chev{display:none}
[data-theme="neon"] .ribbon__orn .laurel{display:none}
[data-theme="neon"] .ribbon__orn .chev{display:block}

/* ---------- hero ---------- */
.hero{position:relative;margin-top:calc(var(--w)*.03);text-align:center}
.hero__kicker{
  margin:0;font-weight:800;letter-spacing:1px;text-transform:uppercase;
  font-size:calc(var(--w)*.058);line-height:1;
  color:#fff;text-shadow:0 0 18px rgba(var(--acc-rgb),.7),0 3px 6px rgba(0,0,0,.7);
}
.hero__prize{
  margin:calc(var(--w)*.008) 0 0;
  font-family:Anton,Montserrat,sans-serif;font-weight:400;
  font-size:calc(var(--w)*.212);line-height:.94;letter-spacing:-1px;
  background:var(--prize-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 3px 0 rgba(120,60,0,.5)) drop-shadow(0 10px 26px rgba(255,160,20,.45));
}
[data-theme="neon"] .hero__prize{filter:drop-shadow(0 0 26px rgba(120,190,255,.7))}
[data-theme="neon"] .hero__one{
  background:linear-gradient(180deg,#ffffff,#4fc9ff 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__reward{
  margin:calc(var(--w)*.012) auto 0;width:max-content;max-width:92%;
  display:flex;align-items:center;gap:8px;
  padding:5px calc(var(--w)*.05);
  background:linear-gradient(180deg,rgba(30,20,6,.92),rgba(10,7,2,.92));
  border:1.4px solid var(--line);
  clip-path:polygon(12px 0,calc(100% - 12px) 0,100% 50%,calc(100% - 12px) 100%,12px 100%,0 50%);
  color:var(--acc-2);font-weight:800;text-transform:uppercase;
  font-size:calc(var(--w)*.0345);letter-spacing:.6px;
  box-shadow:0 0 22px rgba(var(--acc-rgb),.22);
}
[data-theme="neon"] .hero__reward{
  background:linear-gradient(180deg,rgba(16,22,64,.92),rgba(6,9,30,.92));
  border-color:rgba(130,190,255,.55);color:#fff;
}
.hero__reward .star{color:var(--acc);font-size:.85em}
[data-theme="neon"] .hero__reward .star{display:none}

/* price panels */
.tick{
  position:absolute;z-index:3;
  background:linear-gradient(180deg,rgba(18,13,5,.86),rgba(6,4,2,.9));
  border:1px solid var(--line-soft);border-radius:12px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  box-shadow:0 10px 26px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.05);
}
[data-theme="neon"] .tick{
  background:linear-gradient(180deg,rgba(10,16,52,.82),rgba(4,7,26,.9));
  border-color:rgba(110,170,255,.28);
  box-shadow:0 10px 26px rgba(0,0,0,.55),0 0 22px rgba(80,150,255,.18);
}
.tick--main{
  left:calc(var(--w)*-.032);top:calc(var(--w)*.056);
  padding:calc(var(--w)*.020) calc(var(--w)*.026);
  text-align:left;min-width:calc(var(--w)*.285);
}
.tick__head{display:flex;align-items:center;gap:6px;font-size:calc(var(--w)*.029);color:#efe6d2}
.tick__pair b{font-weight:800}
.tick__ico{
  width:calc(var(--w)*.048);height:calc(var(--w)*.048);flex:none;border-radius:50%;
  display:grid;place-items:center;color:#fff;
  box-shadow:0 0 10px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.35);
}
.tick__ico svg{width:72%;height:72%}
.tick__ico--btc{background:linear-gradient(180deg,#ffb43c,#f7931a)}
.tick__ico--eth{background:linear-gradient(180deg,#8ba2f5,#4c68d8)}
.tick__ico--bnb{background:linear-gradient(180deg,#ffd25e,#e8a80c);color:#3a2600}
.tick__ico--sol{background:linear-gradient(180deg,#3ee0c0,#7b5bff)}
.tick__price{
  margin-top:4px;font-family:Anton,sans-serif;letter-spacing:.5px;
  font-size:calc(var(--w)*.055);line-height:1.05;color:var(--acc);
  text-shadow:0 0 14px rgba(var(--acc-rgb),.45);
}
[data-theme="neon"] .tick__price{color:#eaf4ff;text-shadow:0 0 14px rgba(110,180,255,.6)}
.tick__chg{font-weight:700;font-size:calc(var(--w)*.032);color:var(--up)}
.tick__chg.up::before{content:"";}
.tick--list{
  right:calc(var(--w)*-.026);top:calc(var(--w)*.395);
  padding:calc(var(--w)*.019) calc(var(--w)*.024);
  display:grid;gap:calc(var(--w)*.021);
}
.tick--list li{display:flex;align-items:center;gap:6px;font-size:calc(var(--w)*.028);color:#e9e0cf}
.tick--list .tick__ico{width:calc(var(--w)*.042);height:calc(var(--w)*.042)}
.tick--list .tick__mini{display:none;font-weight:700}
.tick--list .tick__chg{margin-left:auto;font-size:calc(var(--w)*.028)}
@media (min-width:400px){
  .tick--list .tick__mini{display:inline;color:#fff;opacity:.92}
  .tick--list .tick__chg{margin-left:4px}
}

/* coin */
.coin{position:relative;margin:calc(var(--w)*-.01) auto calc(var(--w)*-.075);width:calc(var(--w)*.76);aspect-ratio:1}
.coin__halo{
  position:absolute;left:50%;top:52%;width:135%;aspect-ratio:1;transform:translate(-50%,-50%);
  background:var(--halo);filter:blur(2px);animation:pulse 4.5s ease-in-out infinite;
}
.coin__img{
  position:relative;width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 18px 34px rgba(0,0,0,.6)) drop-shadow(0 0 34px rgba(var(--acc-rgb),.45));
  animation:float 5.5s ease-in-out infinite;
}
.coin__floor{
  position:absolute;left:50%;bottom:13%;transform:translateX(-50%);
  width:86%;height:14%;border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(var(--acc-rgb),.42),rgba(var(--acc-rgb),0) 70%);
  filter:blur(6px);
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes pulse{0%,100%{opacity:.55;transform:translate(-50%,-50%) scale(1)}50%{opacity:.9;transform:translate(-50%,-50%) scale(1.06)}}

/* ---------- features ---------- */
.feats{
  margin-top:calc(var(--w)*.012);
  display:grid;grid-template-columns:repeat(3,1fr);gap:calc(var(--w)*.024);
}
.feat{
  padding:calc(var(--w)*.03) calc(var(--w)*.022);border-radius:14px;
  background:var(--card);border:1px solid var(--line-soft);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
[data-theme="neon"] .feat{box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 0 18px rgba(80,150,255,.12)}
.feat__ic{width:calc(var(--w)*.056);height:calc(var(--w)*.056);color:var(--acc);
  filter:drop-shadow(0 0 8px rgba(var(--acc-rgb),.6))}
.feat:nth-child(2) .feat__ic{color:var(--acc)}
[data-theme="neon"] .feat:nth-child(1) .feat__ic{color:#4fd2ff}
[data-theme="neon"] .feat:nth-child(2) .feat__ic{color:#ff63d0}
[data-theme="neon"] .feat:nth-child(3) .feat__ic{color:#7f8cff}
.feat h3{
  margin:calc(var(--w)*.014) 0 4px;
  font-size:calc(var(--w)*.0295);line-height:1.15;font-weight:800;
  text-transform:uppercase;letter-spacing:.2px;color:var(--acc);
}
[data-theme="neon"] .feat:nth-child(1) h3{color:#7fe0ff}
[data-theme="neon"] .feat:nth-child(2) h3{color:#ff8ade}
[data-theme="neon"] .feat:nth-child(3) h3{color:#a8b4ff}
.feat p{margin:0;font-size:calc(var(--w)*.026);line-height:1.3;color:var(--muted)}
.feat p i{font-style:normal}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;
  margin-top:calc(var(--w)*.036);width:100%;
  display:flex;align-items:center;justify-content:center;gap:calc(var(--w)*.028);
  padding:calc(var(--w)*.042) calc(var(--w)*.05);
  border-radius:999px;background:var(--cta-grad);color:var(--cta-ink);
  font-weight:800;letter-spacing:.6px;text-transform:uppercase;
  font-size:calc(var(--w)*.056);line-height:1;
  box-shadow:0 10px 28px rgba(var(--acc-rgb),.42),inset 0 2px 0 rgba(255,255,255,.55),
             inset 0 -3px 0 rgba(120,60,0,.28);
  transition:transform .12s ease,box-shadow .2s ease;
  animation:breathe 2.8s ease-in-out infinite;
}
[data-theme="neon"] .cta{box-shadow:0 10px 30px rgba(120,90,255,.5),inset 0 2px 0 rgba(255,255,255,.28)}
.cta:active{transform:scale(.978)}
.cta__rocket{width:1.05em;height:1.05em;flex:none}
.cta__txt{font-family:"Be Vietnam Pro",sans-serif;font-weight:800}
.cta__arrow{
  width:1.05em;height:1.05em;border-radius:50%;display:grid;place-items:center;flex:none;
  background:rgba(0,0,0,.14);
}
[data-theme="neon"] .cta__arrow{background:rgba(255,255,255,.2)}
.cta__arrow svg{width:.62em;height:.62em}
.cta__shine{
  position:absolute;top:-60%;left:-40%;width:35%;height:220%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);
  transform:skewX(-20deg);animation:sweep 3.2s ease-in-out infinite;
}
@keyframes sweep{0%{left:-45%}55%,100%{left:120%}}
@keyframes breathe{0%,100%{box-shadow:0 10px 28px rgba(var(--acc-rgb),.34),inset 0 2px 0 rgba(255,255,255,.5)}
  50%{box-shadow:0 12px 40px rgba(var(--acc-rgb),.6),inset 0 2px 0 rgba(255,255,255,.6)}}

/* ---------- bottom strip ---------- */
.strip{
  margin-top:calc(var(--w)*.036);
  display:grid;grid-template-columns:1.22fr .95fr .92fr;
  padding:calc(var(--w)*.026) calc(var(--w)*.02);border-radius:14px;
  background:var(--card-2);border:1px solid var(--line-soft);
}
.strip li{display:flex;align-items:center;gap:calc(var(--w)*.015);padding:0 calc(var(--w)*.014)}
.strip li+li{border-left:1px solid var(--line-soft)}
.strip__ic{width:calc(var(--w)*.05);height:calc(var(--w)*.05);flex:none;color:var(--acc);
  filter:drop-shadow(0 0 8px rgba(var(--acc-rgb),.55))}
[data-theme="neon"] .strip li:nth-child(1) .strip__ic{color:#4fd2ff}
[data-theme="neon"] .strip li:nth-child(2) .strip__ic{color:#ff63d0}
[data-theme="neon"] .strip li:nth-child(3) .strip__ic{color:#a487ff}
.strip b{display:block;font-size:calc(var(--w)*.025);text-transform:uppercase;letter-spacing:0;white-space:nowrap;color:var(--acc)}
[data-theme="neon"] .strip li:nth-child(1) b{color:#7fe0ff}
[data-theme="neon"] .strip li:nth-child(2) b{color:#ff8ade}
[data-theme="neon"] .strip li:nth-child(3) b{color:#c3adff}
.strip span{display:block;font-size:calc(var(--w)*.0235);line-height:1.25;color:var(--muted)}
.strip__time{
  font-family:Anton,sans-serif;font-size:calc(var(--w)*.045)!important;
  color:var(--acc)!important;letter-spacing:1px;
  text-shadow:0 0 12px rgba(var(--acc-rgb),.5);
}
[data-theme="neon"] .strip__time{color:#fff!important}

.legal{margin:calc(var(--w)*.03) 0 0;text-align:center;font-size:calc(var(--w)*.0235);color:rgba(255,255,255,.34);line-height:1.4}

/* ---------- theme toggle ---------- */
.theme-toggle{
  position:fixed;z-index:40;top:14px;right:14px;
  display:flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:11px;font-weight:800;letter-spacing:1px;color:#fff;
}
.theme-toggle__dot{width:9px;height:9px;border-radius:50%;background:var(--acc);box-shadow:0 0 10px var(--acc)}

/* =========================================================
   QUIZ SHEET
   ========================================================= */
.sheet{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center}
.sheet[hidden]{display:none}
.sheet__scrim{position:absolute;inset:0;background:rgba(2,2,6,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .25s ease}
.sheet__panel{
  position:relative;width:100%;max-width:480px;max-height:92vh;max-height:92dvh;
  display:flex;flex-direction:column;
  border-radius:24px 24px 0 0;
  background:linear-gradient(180deg,#171008 0%,#0b0704 42%,#080502 100%);
  border:1px solid var(--line);border-bottom:0;
  box-shadow:0 -20px 60px rgba(0,0,0,.8),0 0 70px rgba(var(--acc-rgb),.18);
  animation:rise .34s cubic-bezier(.22,.9,.3,1);
  overflow:hidden;
}
[data-theme="neon"] .sheet__panel{
  background:linear-gradient(180deg,#0e1442 0%,#070a26 42%,#04061a 100%);
  border-color:rgba(120,180,255,.42);
  box-shadow:0 -20px 60px rgba(0,0,0,.8),0 0 70px rgba(90,140,255,.24);
}
.sheet__panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 40% at 50% 0%,rgba(var(--acc-rgb),.18),transparent 70%);
}
@media (min-width:520px){
  .sheet{align-items:center}
  .sheet__panel{border-radius:24px;border-bottom:1px solid var(--line);max-height:86vh;animation:pop .3s cubic-bezier(.22,.9,.3,1)}
  [data-theme="neon"] .sheet__panel{border-bottom-color:rgba(120,180,255,.42)}
  .sheet__grab{display:none}
}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}

.sheet__grab{width:44px;height:4px;border-radius:99px;background:rgba(255,255,255,.22);margin:9px auto 0}
.sheet__head{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:12px 14px 10px;
}
.sheet__btn{
  width:34px;height:34px;flex:none;border-radius:50%;
  display:grid;place-items:center;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  transition:opacity .2s ease;
}
.sheet__btn svg{width:17px;height:17px}
.sheet__btn[disabled]{opacity:.25;pointer-events:none}
.sheet__title{flex:1;text-align:center;line-height:1.2}
.sheet__title b{display:block;font-size:15px;font-weight:800;color:var(--acc)}
[data-theme="neon"] .sheet__title b{color:#9fdcff}
.sheet__title span{display:block;font-size:12px;color:var(--muted)}

.bars{display:flex;gap:5px;padding:0 16px 14px}
.bars i{flex:1;height:4px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;position:relative}
.bars i::after{
  content:"";position:absolute;inset:0;border-radius:99px;
  background:var(--cta-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .4s cubic-bezier(.3,.9,.3,1);
}
.bars i.on::after{transform:scaleX(1)}

.sheet__body{position:relative;padding:2px 18px 6px;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}

.q{animation:slide .32s cubic-bezier(.22,.9,.3,1)}
@keyframes slide{from{opacity:0;transform:translateX(22px)}to{opacity:1;transform:translateX(0)}}
.q__idx{
  margin:0;font-family:Anton,sans-serif;font-size:34px;line-height:1;
  background:var(--prize-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.9;
}
.q__title{margin:6px 0 16px;font-size:20px;line-height:1.32;font-weight:800;color:#fff}
.q__opts{display:grid;gap:10px;padding-bottom:6px}

.opt{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  padding:15px 16px;border-radius:14px;
  background:rgba(255,255,255,.045);border:1.5px solid rgba(255,255,255,.10);
  font-size:15.5px;font-weight:600;color:#efe9dd;
  transition:transform .12s ease,border-color .2s ease,background .2s ease;
}
.opt:active{transform:scale(.985)}
.opt__box{
  width:22px;height:22px;flex:none;border-radius:50%;
  border:2px solid rgba(255,255,255,.3);display:grid;place-items:center;color:var(--ink);
  transition:all .2s ease;
}
.opt__box svg{width:13px;height:13px;opacity:0;transform:scale(.5);transition:all .2s ease}
.opt.sel{background:rgba(var(--acc-rgb),.14);border-color:var(--acc);color:#fff}
.opt.sel .opt__box{background:var(--cta-grad);border-color:transparent;box-shadow:0 0 14px rgba(var(--acc-rgb),.55)}
[data-theme="neon"] .opt.sel .opt__box{color:#fff}
.opt.sel .opt__box svg{opacity:1;transform:scale(1)}

/* email field */
.field{display:grid;gap:8px}
.field__input{
  width:100%;padding:15px 16px;border-radius:14px;
  background:rgba(255,255,255,.045);border:1.5px solid rgba(255,255,255,.12);
  color:#fff;font:inherit;font-size:16px;font-weight:600;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field__input::placeholder{color:rgba(255,255,255,.32);font-weight:500}
.field__input:focus{
  outline:none;border-color:var(--acc);background:rgba(var(--acc-rgb),.10);
  box-shadow:0 0 0 3px rgba(var(--acc-rgb),.16);
}
.field__input.bad{border-color:#ff5f6d;background:rgba(255,95,109,.10);box-shadow:0 0 0 3px rgba(255,95,109,.14)}
.field__err{margin:0;padding-left:2px;font-size:12.5px;font-weight:600;color:#ff7b86}
.field__send{margin-top:6px}

/* done */
.done{text-align:center;padding:6px 0 10px;animation:slide .32s ease}
.done__mark{
  width:74px;height:74px;margin:8px auto 14px;border-radius:50%;
  display:grid;place-items:center;color:var(--cta-ink);
  background:var(--cta-grad);
  box-shadow:0 0 34px rgba(var(--acc-rgb),.55);
  animation:pop .4s cubic-bezier(.2,1.4,.4,1);
}
.done__mark svg{width:38px;height:38px}
.done h2{
  margin:0;font-size:26px;font-weight:800;
  background:var(--prize-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.done__sub{margin:8px 0 16px;font-size:14px;line-height:1.5;color:var(--muted)}
.done__sub b{color:var(--acc)}
[data-theme="neon"] .done__sub b{color:#7fe0ff}
.done__code{
  padding:12px;border-radius:14px;border:1px dashed var(--line);
  background:rgba(var(--acc-rgb),.07);margin-bottom:14px;
}
.done__code span{display:block;font-size:12px;color:var(--muted)}
.done__code b{font-family:Anton,sans-serif;font-size:26px;letter-spacing:2px;color:var(--acc)}
[data-theme="neon"] .done__code b{color:#fff}
.done__list{display:grid;gap:7px;text-align:left;margin-bottom:16px}
.done__list li{
  display:flex;gap:10px;justify-content:space-between;
  font-size:12.5px;padding:9px 12px;border-radius:10px;
  background:rgba(255,255,255,.04);color:var(--muted);
}
.done__list li b{color:#fff;font-weight:700;text-align:right;flex:none;max-width:56%}
.cta--sm{font-size:16px;padding:15px 20px;margin-top:0}
.done__hint{margin:10px 0 2px;font-size:11.5px;color:var(--muted);opacity:.75}

.sheet__note{margin:0;padding:10px 18px calc(14px + env(safe-area-inset-bottom));text-align:center;font-size:11.5px;color:rgba(255,255,255,.36)}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}