/* ---------- builder page ---------- */
.nav__links a.is-active { color: var(--gold); }
.nav__links a.is-active::after { transform: scaleX(1); }

.b-hero { padding: 170px var(--pad) 70px; max-width: 1100px; }
.b-hero__title { font-family: var(--serif); font-weight: 400; font-size: clamp(3rem, 7.6vw, 7.4rem); line-height: .95; color: var(--choc); margin: 22px 0 16px; letter-spacing: -.02em; }
.b-hero__ar { font-family: var(--ar); font-size: clamp(1.2rem, 2vw, 1.7rem); color: var(--gold); }
.b-hero__lead { max-width: 560px; margin-top: 16px; color: var(--muted); font-size: 1.05rem; }
.b-hero__steps { list-style: none; display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.b-hero__steps li { display: flex; align-items: center; gap: 10px; padding: 10px 18px 10px 10px; border: 1px solid rgba(74,50,43,.15); border-radius: 99px; font-size: .85rem; color: var(--choc-2); }
.b-hero__steps b { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--choc); color: var(--gold-2); font-family: var(--caps); font-weight: 400; font-size: .7rem; }

.builder { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(30px, 4vw, 70px); padding: 0 var(--pad) 140px; align-items: start; }

/* steps */
.step { border: 0; background: var(--surface); border: 1px solid rgba(74,50,43,.08); border-radius: 22px; padding: 30px clamp(18px, 3vw, 34px) 32px; margin-bottom: 18px; transition: border-color .4s, box-shadow .4s; }
.step[hidden] { display: none; }
.step.is-missing, .field.is-missing input { border-color: #c0392b; box-shadow: 0 0 0 3px rgba(192,57,43,.12); }
.step__head { display: flex; align-items: center; gap: 16px; width: 100%; padding: 0; float: left; margin-bottom: 20px; }
.step__head + * { clear: both; }
.step__num { font-family: var(--caps); font-size: .78rem; color: var(--gold); letter-spacing: .1em; width: 40px; height: 40px; border: 1px solid rgba(198,161,91,.5); border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; }
.step__title { font-family: var(--serif); font-size: clamp(1.5rem, 2.4vw, 2rem); color: var(--choc); line-height: 1.1; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.step__title small { font-family: var(--ar); font-size: 1.05rem; color: var(--gold); }
.step__opt { margin-left: auto; font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); border: 1px solid rgba(74,50,43,.15); padding: 4px 10px; border-radius: 99px; }
.step__hint { clear: both; color: var(--muted); font-size: .85rem; margin: -6px 0 16px; }

.opts { display: flex; flex-wrap: wrap; gap: 10px; clear: both; }
.opts--tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.opt {
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px 10px 12px; border-radius: 99px;
  border: 1px solid rgba(74,50,43,.16); background: var(--chip); color: var(--choc); cursor: pointer; font: inherit;
  text-align: left; transition: background .35s, border-color .35s, color .35s, box-shadow .35s;
}
.opt[hidden] { display: none; }
.opt:hover { border-color: var(--gold); }
.opt.is-on { background: var(--choc); border-color: var(--choc); color: var(--cream); box-shadow: 0 12px 24px -12px rgba(42,26,22,.6); }
.opt.is-on .opt__ar { color: var(--gold-2); }
.opt__txt { display: flex; flex-direction: column; line-height: 1.15; }
.opt__en { font-size: .88rem; font-weight: 500; }
.opt__ar { font-family: var(--ar); font-size: .85rem; color: var(--gold); }
.opt__sw { width: 22px; height: 22px; border-radius: 50%; background: var(--sw); box-shadow: inset 0 0 0 1px rgba(0,0,0,.12), 0 0 0 2px var(--chip); flex-shrink: 0; }
.opt__sw--none { background: repeating-linear-gradient(45deg, #fff 0 3px, #e6d9c7 3px 6px); }
.opt--tile { flex-direction: column; border-radius: 18px; padding: 20px 10px 16px; gap: 10px; text-align: center; }
.opt--tile .opt__txt { align-items: center; }
.opt__icon { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; color: var(--choc-2); transition: color .35s, transform .5s var(--ease); }
.opt--tile:hover .opt__icon { transform: translateY(-3px) rotate(-4deg); }
.opt.is-on .opt__icon { color: var(--gold-2); }

.sub { margin-top: 20px; padding-top: 18px; border-top: 1px dashed rgba(74,50,43,.15); }
.sub[hidden] { display: none; }
.sub__label { display: block; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }

/* signatures */
.sigs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; clear: both; }
.sig { border: 1px solid rgba(74,50,43,.12); background: var(--chip); border-radius: 16px; padding: 8px 8px 12px; cursor: pointer; font: inherit; color: var(--choc); transition: border-color .3s, transform .5s var(--ease); }
.sig img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; margin-bottom: 8px; }
.sig span { font-family: var(--serif); font-size: 1.05rem; line-height: 1.1; display: block; }
.sig:hover { transform: translateY(-4px); border-color: var(--gold); }
.sig.is-on { border-color: var(--choc); box-shadow: 0 0 0 2px var(--gold); }

/* form fields */
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; clear: both; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field[hidden] { display: none; }
.field > span { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea {
  font: inherit; font-size: 1rem; color: var(--choc); background: var(--chip); border: 1px solid rgba(74,50,43,.16);
  border-radius: 12px; padding: 14px 16px; outline: none; transition: border-color .3s, box-shadow .3s; width: 100%; resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(198,161,91,.2); }
.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg__btn { flex: 1; min-width: 200px; padding: 14px; border-radius: 12px; border: 1px solid rgba(74,50,43,.16); background: var(--chip); color: var(--choc); font: inherit; font-size: .9rem; cursor: pointer; transition: background .3s, color .3s; }
.seg__btn.is-on { background: var(--choc); color: var(--cream); border-color: var(--choc); }
.note { margin-top: 18px; font-size: .85rem; color: var(--muted); }
.note b { color: var(--choc); }

/* preview */
.preview { position: sticky; top: 90px; }
.preview__card { background: var(--choc-3); color: var(--cream); border-radius: 28px; padding: 26px; box-shadow: 0 50px 90px -40px rgba(42,26,22,.7); }
.preview__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.preview .eyebrow { color: var(--gold-2); }
.preview__pct { font-size: .78rem; color: rgba(245,239,230,.6); letter-spacing: .08em; }
.preview__pct b { color: var(--gold-2); font-family: var(--serif); font-size: 1.3rem; font-weight: 500; }
.preview__bar { height: 2px; background: rgba(245,239,230,.12); margin: 14px 0 6px; border-radius: 2px; overflow: hidden; }
.preview__bar i { display: block; height: 100%; background: var(--gold); transform-origin: left; transform: scaleX(0); }
.preview__stage { position: relative; aspect-ratio: 1; max-height: 46vh; margin: 0 auto; border-radius: 20px; background: radial-gradient(circle at 50% 40%, #eadcc6 0%, #d6c3a6 75%); overflow: hidden; }
.preview__stage svg { width: 100%; height: 100%; display: block; }
.preview__slice { margin-top: 16px; display: flex; align-items: center; gap: 14px; }
.preview__slice-label { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: rgba(245,239,230,.55); white-space: nowrap; }
.slice { flex: 1; height: 58px; display: flex; flex-direction: column; border-radius: 8px 8px 4px 4px; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.slice i { display: block; width: 100%; }
.slice__empty { font-size: .8rem; color: rgba(245,239,230,.4); margin: auto; }
.summary { list-style: none; margin: 18px 0 20px; max-height: 26vh; overflow-y: auto; padding-right: 4px; }
.summary li { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px solid rgba(245,239,230,.08); font-size: .85rem; animation: rowIn .5s var(--ease) both; }
.summary__k { color: var(--gold); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; padding-top: 2px; }
.summary__v { color: rgba(245,239,230,.88); }
@keyframes rowIn { from { opacity: 0; transform: translateX(-10px); } }
.preview__send { width: 100%; padding: 20px; }
.preview__err { color: #f3a39a; font-size: .85rem; margin-top: 12px; min-height: 1em; }

@media (max-width: 1000px) {
  .builder { grid-template-columns: 1fr; }
  .preview { position: relative; top: 0; order: -1; }
  .preview__stage { max-height: none; max-width: 420px; }
  .summary { max-height: none; }
}
@media (max-width: 640px) {
  .opts--tiles { grid-template-columns: repeat(2, 1fr); }
  .sigs { grid-template-columns: repeat(2, 1fr); }
  .fields { grid-template-columns: 1fr; }
  .b-hero { padding-top: 130px; }
}