:root{
  --bg:#0b0b0d;
  --card:rgba(20,20,24,.82);
  --stroke:rgba(255,255,255,.08);
  --text:#f3f3f5;
  --muted:rgba(243,243,245,.72);
  --gold:#c7a66a;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --r:22px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(800px 400px at 20% 10%, rgba(199,166,106,.18), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(255,255,255,.06), transparent 55%),
    var(--bg);
}

.wrap{
  min-height:100%;
  display:flex;
  justify-content:center;
  padding:28px 16px;
}

.card{
  width:min(920px, 100%);
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  padding:26px;
}

.kicker{
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:12px;
  color:var(--muted);
  margin-bottom:10px;
}

.toprow{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
}

.title{
  font-size:34px;
  margin:0;
}
.pill{
  margin-top:10px;
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--stroke);
  color:var(--muted);
  font-size:13px;
}

.stack{display:grid; gap:18px; margin-top:18px}

.panel{
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:18px;
  background:rgba(0,0,0,.18);
}

.label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin:10px 0 8px;
}

.input{
  width:100%;
  padding:14px 14px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:rgba(0,0,0,.28);
  color:var(--text);
  outline:none;
}
.input:focus{border-color:rgba(199,166,106,.55)}

.btn{
  width:100%;
  margin-top:14px;
  padding:14px 16px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:600;
  cursor:pointer;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background: linear-gradient(180deg, rgba(199,166,106,.95), rgba(199,166,106,.75));
  color:#151515;
  border-color:rgba(199,166,106,.55);
}

.hint{
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
  text-align:center;
}
.link{color:var(--gold); text-decoration:none}
.link:hover{text-decoration:underline}

.result{margin-top:14px}
.result-title{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.result-box{
  margin:0;
  padding:14px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:rgba(0,0,0,.22);
  color:var(--text);
  overflow:auto;
}

/* Landing modules */
.h1{font-size:34px;margin:0}
.lead{color:var(--muted); margin:8px 0 0}

.how-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  align-items:center;
}
.how-grid ul{margin:10px 0 0; color:var(--muted); line-height:1.7}
.coffee-img{
  width:100%;
  border-radius:18px;
  border:1px solid var(--stroke);
  display:block;
}

.actions{display:grid; gap:12px}
.btn-ghost{background:rgba(255,255,255,.03)}
.reward{color:var(--muted)}

/* Mobile */
@media (max-width: 780px){
  .card{padding:18px}
  .title,.h1{font-size:28px}
  .how-grid{grid-template-columns:1fr}
}
.install-box{
  margin-top:14px;
  padding:14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}

.install-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.install-title{ font-weight:700; }
.install-sub{ opacity:.8; font-size:14px; line-height:1.35; }

.install-toggle{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:8px 10px;
  border-radius:12px;
  font-weight:700;
  cursor:pointer;
}

.install-body{ margin-top:12px; }

.install-steps{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

.install-h{ font-weight:700; margin-bottom:6px; }
.install-steps ol{ margin:0; padding-left:18px; opacity:.9; font-size:14px; line-height:1.45; }

@media (max-width:720px){
  .install-steps{ grid-template-columns:1fr; }
}