.calc-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(155deg,var(--dusk) 0%,var(--night) 42%,var(--deep) 100%);
  padding:48px 0 64px
}
.calc-hero::before{
  content:"";position:absolute;right:-10%;top:-28%;width:58%;height:150%;
  background:radial-gradient(circle at 50% 50%,rgba(210,148,106,.16),transparent 60%);
  pointer-events:none
}
.calc-hero .wrap{
  position:relative;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:48px;align-items:center;min-width:0
}
.calc-hero .crumb a{color:var(--moon)}
.calc-hero .crumb{color:rgba(255,255,255,.45);font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 18px}
.calc-hero h1{font-size:clamp(40px,5.4vw,68px);line-height:1.06;max-width:12ch;margin:0}
.calc-hero .lede{color:rgba(255,255,255,.72);font-size:17.5px;margin:18px 0 0;max-width:38ch}
.calc-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:22px;backdrop-filter:blur(8px);min-width:0;overflow:hidden
}
.calc-modes{display:flex;gap:8px;margin:0 0 18px}
.calc-modes button{
  flex:1;min-height:44px;border:1px solid rgba(255,255,255,.16);background:transparent;
  color:rgba(255,255,255,.78);border-radius:var(--radius-md);font:600 13px/1.2 var(--body);
  cursor:pointer;padding:8px 10px;white-space:nowrap
}
.calc-slot{
  display:grid;gap:4px;
  padding:12px 14px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);
  color:#fff;text-decoration:none
}
.calc-verb{
  margin:0;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--moon)
}
.calc-slot b{font-family:var(--display);font-size:28px;font-weight:400;line-height:1}
.calc-slot span{color:rgba(255,255,255,.58);font-size:13px}
.calc-modes button[aria-pressed="true"]{background:var(--dawn);border-color:var(--dawn);color:var(--ink)}
.calc-field{display:grid;gap:6px;margin:0 0 14px}
.calc-field label{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--moon)}
.calc-field input[type="time"],
.calc-field input[type="number"]{
  width:100%;min-height:46px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);
  background:rgba(13,20,36,.45);color:#fff;font:500 18px/1.2 var(--body);padding:8px 12px
}
.calc-row{display:grid;grid-template-columns:1fr 7.5rem;gap:12px}
.calc-go{
  width:100%;min-height:48px;margin-top:4px;border:0;border-radius:var(--radius-md);
  background:#fff;color:var(--ink);font:600 15px/1 var(--body);cursor:pointer
}
.calc-go:hover{background:var(--dawn)}
.calc-results{margin-top:18px;display:grid;gap:8px}
.calc-results[hidden]{display:none}
.calc-note{margin:0 0 4px;color:rgba(255,255,255,.62);font-size:13.5px}
.calc-slot.is-best{border-color:var(--dawn);background:rgba(210,148,106,.12)}
.calc-slot.is-best span{color:var(--dawn)}
.calc-slot.is-best .calc-verb{color:var(--dawn)}
.calc-body{padding:56px 0 88px}
.calc-body .prose{max-width:var(--measure)}
.calc-body .prose h2{font-size:32px;line-height:1.12;margin:2.2em 0 .5em}
.calc-body .prose h3{font-size:22px;line-height:1.2;margin:1.6em 0 .4em}
.calc-related{
  margin-top:48px;padding-top:28px;border-top:1px solid var(--line);display:grid;gap:10px
}
.calc-related a{color:var(--c-routines);text-underline-offset:3px}
.calc-faq{margin-top:48px}
.calc-faq details{
  border-top:1px solid var(--line);padding:16px 0
}
.calc-faq summary{cursor:pointer;font-weight:600;color:var(--ink)}
.calc-faq p{margin:10px 0 0;color:var(--slate)}
.calc-field input[type="time"]{padding-right:40px}
@media (max-width:900px){
  .calc-hero{padding:32px 0 40px}
  .calc-hero .wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .calc-panel{order:-1}
  .calc-row{grid-template-columns:minmax(0,1fr)}
  .calc-modes{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  .calc-go,.calc-modes button{transition:none}
}