/* Página «Empezar proyecto» (usa las variables y botones de style.css) */
[hidden] { display: none !important; }
.form-page { padding-top: 72px; }
.form-page .top { position: fixed; }
.back-home { margin-left: auto; font-size: 15px; color: var(--soft); text-decoration: none; }
.back-home:hover { color: var(--text); }
.bar { height: 3px; background: var(--line); }
.bar i { display: block; height: 100%; width: 0; background: var(--green); box-shadow: 0 0 12px var(--green); transition: width .5s var(--ease); }

.form-wrap { max-width: 860px; padding-top: clamp(32px, 6vw, 72px); padding-bottom: 140px; }
.dots { display: flex; gap: 8px; margin-bottom: 28px; }
.dots i { width: 28px; height: 6px; border-radius: 3px; background: var(--line); transition: background .3s; }
.dots i.on { background: var(--green); }

.step { animation: stepIn .45s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.step-n { font: 800 44px/1 var(--dots); color: var(--green); margin-bottom: 14px; }
.step-n span { color: var(--muted); font-size: .5em; margin-left: 4px; }
.step h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 10px; }
.step-d { color: var(--soft); margin-bottom: 36px; font-size: 18px; }

.q { border: 0; margin: 0 0 30px; padding: 0; min-width: 0; }
.q > label, .q legend { display: block; font-weight: 500; font-size: 18px; margin-bottom: 12px; padding: 0; letter-spacing: -0.01em; }
.req { color: var(--green); font-weight: 500; }
.hint { color: var(--muted); font-size: 14px; margin: -6px 0 12px; }
.q input[type=text], .q input[type=email], .q input[type=tel], .q textarea {
  width: 100%; font: inherit; font-size: 17px; color: var(--text); background: var(--bg-2);
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; transition: border-color .2s, box-shadow .2s;
}
.q textarea { resize: vertical; min-height: 110px; }
.q input::placeholder, .q textarea::placeholder { color: #566173; }
.q input:focus, .q textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(0, 241, 110, .15); }
.q.bad input, .q.bad textarea { border-color: #ff6b6b; }
.err { color: #ff8a8a; font-size: 14px; margin-top: 8px; }

/* Opciones en forma de chip */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block; padding: 10px 16px; border-radius: 99px; border: 1px solid #2c3543; background: var(--bg-2);
  color: var(--soft); font-size: 15.5px; transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.chip:hover span { border-color: var(--muted); color: var(--text); }
.chip input:checked + span { background: var(--green); border-color: var(--green); color: var(--bg); font-weight: 500; }
.chip input:focus-visible + span { outline: 2px solid var(--green); outline-offset: 2px; }
.chip:active span { transform: scale(.96); }
.q[data-if] { padding-left: 18px; border-left: 2px solid var(--green); }

.accept { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; color: var(--soft); font-size: 16px; }
.accept input { width: 22px; height: 22px; accent-color: var(--green); flex: none; margin-top: 2px; }

.trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.status { background: rgba(255, 107, 107, .1); border: 1px solid rgba(255, 107, 107, .4); color: #ffb3b3; border-radius: 12px; padding: 12px 16px; margin-bottom: 20px; }

.nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 12px; padding-top: 24px; border-top: 1px solid var(--line); }
.nav #next { margin-left: auto; padding: 14px 28px; font-size: 16px; }
.nav #back { color: var(--text); box-shadow: inset 0 0 0 1.5px #3a4352; }
.nav #back::before { background: var(--text); }
.nav #back:hover { color: var(--bg); }
.nav button:disabled { opacity: .6; cursor: wait; }

.done { min-height: 60vh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 18px; }
.done h1 { font-size: clamp(44px, 7vw, 80px); }
.done p { color: var(--soft); font-size: 19px; max-width: 46ch; }
.done b { color: var(--text); font-weight: 500; }

@media (max-width: 600px) {
  .step-d { font-size: 16px; margin-bottom: 28px; }
  .chip span { padding: 9px 14px; font-size: 15px; }
  .nav { position: sticky; bottom: 0; background: var(--bg); padding-bottom: 16px; margin-bottom: -16px; }
}