/* ── Variables compartidas con la home ── */
:root {
    --primary: #0B1120;
    --primary-light: #1E293B;
    --accent-start: #F59E0B;
    --accent-end: #D97706;
    --bg-base: #FAFAFA;
    --bg-surface: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-subtle: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-accent: 0 10px 25px -5px rgba(245,158,11,0.4);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter',sans-serif; color:var(--text-main); background:var(--bg-base); line-height:1.6; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
.container { width:100%; max-width:900px; margin:0 auto; padding:0 1.5rem; }

/* ── Header ── */
header { background:rgba(255,255,255,0.95); backdrop-filter:blur(10px); border-bottom:1px solid var(--border-subtle); position:sticky; top:0; z-index:50; }
.nav-container { display:flex; justify-content:space-between; align-items:center; height:78px; max-width:1280px; margin:0 auto; padding:0 1.5rem; }
.logo { font-size:1.4rem; font-weight:900; color:var(--primary); display:flex; align-items:center; gap:0.6rem; }
.logo img { height:42px; width:auto; border-radius:50%; }
.nav-links { display:flex; gap:1.5rem; align-items:center; }
.nav-links a { font-size:0.9rem; font-weight:500; color:var(--text-muted); transition:var(--transition); }
.nav-links a:hover { color:var(--primary); }
.lang-switcher { display:flex; gap:0.35rem; border-left:1px solid var(--border-subtle); padding-left:1rem; }
.lang-switcher a { font-size:0.78rem; font-weight:600; padding:0.2rem 0.45rem; border-radius:4px; letter-spacing:0.5px; }
.lang-switcher a.active { color:var(--primary); font-weight:800; background:var(--bg-base); }
@media (max-width:600px) {
    .nav-links > a:first-child { display:none; }
    .logo { font-size:1.1rem; }
}

/* ── Wizard layout ── */
.wizard { padding:3rem 0 5rem 0; min-height:calc(100vh - 78px - 60px); }
.wizard-header { text-align:center; margin-bottom:2.5rem; }
.badge { display:inline-block; padding:0.45rem 1.25rem; background:rgba(245,158,11,0.12); border:1px solid rgba(245,158,11,0.3); color:var(--accent-end); border-radius:9999px; font-weight:600; font-size:0.82rem; letter-spacing:0.5px; margin-bottom:1.5rem; }
.wizard-header h1 { font-size:clamp(1.8rem, 4.5vw, 2.6rem); line-height:1.15; font-weight:900; letter-spacing:-0.5px; margin-bottom:1rem; color:var(--primary); }
.wizard-header h1 span { background:linear-gradient(135deg, var(--accent-start), #FBBF24); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.wizard-header p { font-size:1.05rem; color:var(--text-muted); max-width:620px; margin:0 auto; }

/* ── Progress bar ── */
.progress-bar { display:flex; align-items:center; justify-content:center; gap:0.5rem; margin-bottom:2.5rem; max-width:420px; margin-left:auto; margin-right:auto; }
.progress-step { width:38px; height:38px; border-radius:50%; background:var(--bg-surface); border:2px solid var(--border-subtle); display:flex; align-items:center; justify-content:center; font-weight:800; color:var(--text-muted); transition:var(--transition); flex-shrink:0; }
.progress-step.active { background:linear-gradient(135deg,var(--accent-start),var(--accent-end)); border-color:transparent; color:white; box-shadow:var(--shadow-accent); }
.progress-step.done { background:#10b981; border-color:transparent; color:white; }
.progress-step.done::before { content:'✓'; font-size:1.1rem; }
.progress-step.done > * { display:none; }
.progress-line { flex:1; height:3px; background:var(--border-subtle); border-radius:2px; max-width:60px; }

/* ── Steps ── */
.step { display:none; animation:fadeIn .3s ease; }
.step.active { display:block; }
@keyframes fadeIn { from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }
.step h2 { font-size:1.5rem; font-weight:800; color:var(--primary); text-align:center; margin-bottom:0.6rem; }
.step-hint { text-align:center; color:var(--text-muted); margin-bottom:1.75rem; font-size:0.95rem; }

/* ── Chip grid ── */
.chip-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:1rem; max-width:720px; margin:0 auto; }
.chip { position:relative; background:var(--bg-surface); border:2px solid var(--border-subtle); border-radius:14px; padding:1.5rem 1rem; text-align:center; cursor:pointer; transition:var(--transition); display:flex; flex-direction:column; align-items:center; gap:0.6rem; font-weight:600; color:var(--primary); }
.chip:hover { border-color:var(--accent-start); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.chip input[type="radio"] { position:absolute; opacity:0; pointer-events:none; }
.chip:has(input:checked) { border-color:var(--accent-start); background:rgba(245,158,11,0.06); box-shadow:var(--shadow-accent); }
.chip-icon { font-size:1.8rem; line-height:1; }

/* ── Dropzone ── */
.dropzone { display:block; max-width:520px; margin:0 auto; border:2px dashed var(--border-subtle); border-radius:18px; padding:2.5rem 1.5rem; text-align:center; cursor:pointer; background:var(--bg-surface); transition:var(--transition); position:relative; overflow:hidden; }
.dropzone:hover, .dropzone.dragover { border-color:var(--accent-start); background:rgba(245,158,11,0.04); }
.dropzone input[type="file"] { position:absolute; opacity:0; inset:0; cursor:pointer; }
.dropzone-empty { display:flex; flex-direction:column; align-items:center; gap:0.6rem; }
.dropzone.has-preview .dropzone-empty { display:none; }
.dropzone-icon { font-size:3rem; line-height:1; }
.dropzone-empty strong { color:var(--primary); font-size:1.05rem; }
.dropzone-sub { color:var(--text-muted); font-size:0.85rem; }
.dropzone-preview { display:none; max-height:360px; width:auto; margin:0 auto; border-radius:12px; }
.dropzone.has-preview .dropzone-preview { display:block; }

/* ── Form fields ── */
.form-group { margin-bottom:1.25rem; max-width:560px; margin-left:auto; margin-right:auto; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; max-width:560px; margin:0 auto 1.25rem; }
@media(max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.form-group label { display:block; font-weight:600; font-size:0.88rem; color:var(--primary); margin-bottom:0.4rem; }
.form-group input, .form-group textarea { width:100%; padding:0.85rem 1rem; border:2px solid var(--border-subtle); border-radius:10px; font-family:inherit; font-size:1rem; background:var(--bg-surface); transition:var(--transition); }
.form-group input:focus, .form-group textarea:focus { outline:none; border-color:var(--accent-start); box-shadow:0 0 0 4px rgba(245,158,11,0.1); }
.form-group textarea { resize:vertical; min-height:90px; }
.privacy-check { display:flex; gap:0.7rem; max-width:560px; margin:1.5rem auto 0; font-size:0.85rem; color:var(--text-muted); align-items:flex-start; line-height:1.5; }
.privacy-check input { margin-top:0.2rem; flex-shrink:0; transform:scale(1.15); accent-color:var(--accent-start); }
.privacy-check a { color:var(--accent-end); font-weight:600; }

/* ── Buttons + nav ── */
.wizard-nav { display:flex; justify-content:space-between; gap:1rem; max-width:560px; margin:2.5rem auto 0; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:0.5rem; padding:0.9rem 1.75rem; border-radius:9999px; font-weight:700; font-size:1rem; cursor:pointer; transition:var(--transition); border:none; font-family:inherit; }
.btn-primary { background:linear-gradient(135deg, var(--accent-start), var(--accent-end)); color:white; box-shadow:var(--shadow-accent); }
.btn-primary:hover:not(:disabled) { transform:translateY(-2px); box-shadow:0 15px 30px -5px rgba(245,158,11,0.5); }
.btn-primary:disabled { opacity:0.5; cursor:not-allowed; transform:none; box-shadow:none; }
.btn-ghost { background:transparent; color:var(--text-muted); border:2px solid var(--border-subtle); }
.btn-ghost:hover { color:var(--primary); border-color:var(--primary); }
.btn-whatsapp { background:#25D366; color:white; box-shadow:0 4px 14px rgba(37,211,102,0.3); }
.btn-whatsapp:hover { background:#128C7E; transform:translateY(-2px); }
@media (max-width:520px){ .btn{ padding:0.8rem 1.25rem; font-size:0.95rem; } }

/* ── Loading ── */
.loading-screen { text-align:center; padding:4rem 1rem; }
.loading-spinner { width:64px; height:64px; border:5px solid var(--border-subtle); border-top-color:var(--accent-start); border-radius:50%; animation:spin 1s linear infinite; margin:0 auto 2rem; }
@keyframes spin { to{ transform:rotate(360deg); } }
.loading-screen h3 { font-size:1.4rem; font-weight:700; color:var(--primary); margin-bottom:0.5rem; transition:opacity .4s; }
.loading-sub { color:var(--text-muted); font-size:0.95rem; }

/* ── Result (slider antes/después) ── */
.result-screen { animation:fadeIn .4s ease; }
.ba-slider { position:relative; width:100%; max-width:820px; margin:0 auto; aspect-ratio:16/10; border-radius:20px; overflow:hidden; box-shadow:var(--shadow-lg); user-select:none; background:var(--primary); }
.ba-slider img { width:100%; height:100%; object-fit:cover; display:block; }
.ba-before { position:absolute; inset:0 50% 0 0; overflow:hidden; border-right:3px solid var(--accent-start); }
.ba-before img { position:absolute; inset:0; width:auto; max-width:none; height:100%; }
.ba-tag { position:absolute; top:1.25rem; padding:0.4rem 0.9rem; border-radius:6px; font-size:0.75rem; font-weight:700; text-transform:uppercase; letter-spacing:1px; backdrop-filter:blur(4px); }
.ba-tag-before { left:1.25rem; background:rgba(11,17,32,0.75); color:white; }
.ba-tag-after  { right:1.25rem; background:var(--accent-start); color:white; box-shadow:var(--shadow-sm); }
.ba-slider input[type="range"] { position:absolute; inset:0; width:100%; height:100%; opacity:0; cursor:ew-resize; z-index:30; margin:0; }
.ba-bar { position:absolute; top:0; bottom:0; left:50%; width:4px; background:var(--accent-start); transform:translateX(-50%); z-index:20; pointer-events:none; }
.ba-handle { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:48px; height:48px; background:var(--bg-surface); border:4px solid var(--accent-start); border-radius:50%; display:flex; align-items:center; justify-content:center; color:var(--primary); font-weight:900; box-shadow:var(--shadow-lg); font-size:1.1rem; }
.result-cta { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin:2rem 0 1.5rem; }
.result-disclaimer { text-align:center; color:var(--text-muted); font-size:0.85rem; max-width:600px; margin:0 auto; line-height:1.6; }

/* ── Error ── */
.error-screen { text-align:center; padding:3rem 1rem; max-width:520px; margin:0 auto; }
.error-screen h3 { font-size:1.5rem; color:var(--primary); margin-bottom:0.5rem; }
.error-screen p { color:var(--text-muted); margin-bottom:1.75rem; }

/* ── Footer ── */
footer { background:var(--primary); color:#94A3B8; padding:1.25rem 0; font-size:0.85rem; text-align:center; }
footer a { color:var(--accent-start); font-weight:600; }
footer a:hover { color:#FBBF24; }
.footer-bottom { padding:0; }