/* ═══════ UtilWebPro · hoja de estilos compartida (home + herramientas) ═══════ */
:root{
  --paper:#F4EFE6; --paper-2:#EFE8DB; --card:#FBF8F2;
  --ink:#1B1815; --ink-soft:#574F45; --muted:#8A8073;
  --line:#E2D9C9; --line-strong:#D3C8B4;
  --accent:#CA462C; --accent-deep:#A8361F; --teal:#2F6E5E; --gold:#C99A3F;
  --radius:18px;
  --shadow:0 1px 2px rgba(27,24,21,.04), 0 8px 30px rgba(27,24,21,.06);
  --shadow-lift:0 2px 4px rgba(27,24,21,.05), 0 18px 50px rgba(27,24,21,.12);
  --font-display:'Fraunces', Georgia, serif;
  --font-ui:'Hanken Grotesk', system-ui, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--font-ui);background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ─── Header ─── */
header.site{position:sticky;top:0;z-index:50;background:rgba(244,239,230,.82);backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--accent);display:grid;place-items:center;color:#fff;font-family:var(--font-display);font-weight:600;font-size:20px;box-shadow:0 4px 12px rgba(202,70,44,.35);transform:rotate(-4deg)}
.brand .name{font-family:var(--font-display);font-weight:600;font-size:22px;letter-spacing:-.02em}
.brand .name b{color:var(--accent);font-weight:600}
.brand .name .pro{display:inline-block;background:var(--accent);color:#fff;font-family:var(--font-ui);font-weight:700;font-size:.5em;letter-spacing:.1em;line-height:1;padding:.28em .42em;border-radius:5px;margin-left:.34em;vertical-align:middle;transform:translateY(-1px);box-shadow:0 2px 6px rgba(202,70,44,.3)}
.nav-pills{display:flex;gap:4px}
.nav-pills a{font-size:13.5px;font-weight:500;color:var(--ink-soft);text-decoration:none;padding:8px 13px;border-radius:99px;transition:.2s;white-space:nowrap}
.nav-pills a:hover{background:var(--paper-2);color:var(--ink)}
@media(max-width:760px){.nav-pills{display:none}}
.nav a.back{font-size:14px;font-weight:600;color:var(--ink-soft);text-decoration:none;padding:8px 14px;border-radius:99px;transition:.2s}
.nav a.back:hover{background:var(--paper-2);color:var(--ink)}

/* ─── Hero (home) ─── */
.hero{padding:74px 0 40px;text-align:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;opacity:0;animation:rise .7s .05s forwards}
.eyebrow::before,.eyebrow::after{content:"";width:26px;height:1px;background:var(--line-strong)}
.hero h1{font-family:var(--font-display);font-weight:500;font-size:clamp(38px,6vw,64px);line-height:1.04;letter-spacing:-.025em;max-width:16ch;margin:0 auto;opacity:0;animation:rise .7s .15s forwards}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--ink-soft);max-width:52ch;margin:24px auto 0;opacity:0;animation:rise .7s .28s forwards}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:30px;opacity:0;animation:rise .7s .4s forwards}
.hero-tags span{font-size:13px;font-weight:500;color:var(--ink-soft);background:var(--card);border:1px solid var(--line);padding:7px 14px;border-radius:99px}
.hero-tags span::before{content:"✓ ";color:var(--teal);font-weight:700}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.eyebrow,.hero h1,.hero p.lead,.hero-tags{animation:none;opacity:1}}

/* ─── Cabecera de página de herramienta ─── */
.tool-page-head{padding:46px 0 6px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent)}
.tool-page-head .cat{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.tool-page-head h1{font-family:var(--font-display);font-weight:500;font-size:clamp(30px,4.6vw,46px);letter-spacing:-.025em;line-height:1.08;max-width:24ch}
.tool-page-head p.lead{font-size:clamp(15px,1.8vw,17.5px);color:var(--ink-soft);max-width:62ch;margin-top:14px}

/* ─── Menú / rejillas de tarjetas ─── */
.menu-head{margin:36px 0 18px}
.menu-head h2{font-family:var(--font-display);font-weight:500;font-size:clamp(21px,2.8vw,27px);letter-spacing:-.02em}
.menu-head p{color:var(--ink-soft);font-size:14.5px;margin-top:3px}
.tool-menu{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.menu-card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:20px;text-decoration:none;color:var(--ink);transition:.22s;position:relative;display:block;box-shadow:var(--shadow)}
.menu-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--line-strong)}
.menu-card .ic{width:42px;height:42px;border-radius:11px;background:var(--paper-2);display:grid;place-items:center;color:var(--accent);margin-bottom:14px;transition:.22s}
.menu-card:hover .ic{background:var(--accent);color:#fff}
.menu-card .ic svg{width:22px;height:22px}
.menu-card h3{font-family:var(--font-display);font-weight:600;font-size:16.5px;letter-spacing:-.01em;margin-bottom:3px}
.menu-card p{font-size:13px;color:var(--ink-soft);line-height:1.45}
.menu-card .arrow{position:absolute;top:20px;right:20px;color:var(--muted);transition:.22s}
.menu-card:hover .arrow{color:var(--accent);transform:translateX(2px)}

/* ─── Anuncios ─── */
.ad-unit{margin:36px auto;text-align:center;min-height:90px}
.ad-unit .ad-lbl{display:block;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;margin-bottom:4px}

/* ─── Tarjeta de herramienta ─── */
.tool{padding:26px 0 8px;scroll-margin-top:88px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;transition:.3s}
.card:hover{box-shadow:var(--shadow-lift)}
@media(max-width:560px){.card{padding:22px}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
@media(max-width:680px){.grid2{grid-template-columns:1fr;gap:22px}}

label.fld{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:7px;letter-spacing:.01em}
input[type=text],input[type=number],input[type=date],textarea,select{width:100%;font-family:var(--font-ui);font-size:16px;color:var(--ink);background:#fff;border:1.5px solid var(--line-strong);border-radius:11px;padding:13px 15px;transition:.18s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(202,70,44,.12)}
textarea{min-height:180px;resize:vertical;line-height:1.6}
select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23574F45' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:38px}
input[type=range]{width:100%;accent-color:var(--accent);padding:0;height:32px}
input[type=checkbox]{accent-color:var(--accent);width:17px;height:17px;cursor:pointer}
.chk{display:flex;align-items:center;gap:9px;margin:9px 0;font-size:14.5px;color:var(--ink-soft);cursor:pointer;font-weight:500}
.fld-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:480px){.fld-row{grid-template-columns:1fr}}
.mt{margin-top:16px}

.btn{font-family:var(--font-ui);font-size:15px;font-weight:600;cursor:pointer;border:none;border-radius:11px;padding:13px 22px;transition:.2s;display:inline-flex;align-items:center;gap:8px;justify-content:center}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(202,70,44,.3)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 6px 18px rgba(202,70,44,.38)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;color:var(--ink-soft);border:1.5px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink-soft);color:var(--ink)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

.seg{display:inline-flex;background:var(--paper-2);border:1px solid var(--line);border-radius:11px;padding:4px;gap:3px;flex-wrap:wrap}
.seg button{font-family:var(--font-ui);font-size:13.5px;font-weight:600;border:none;background:transparent;color:var(--ink-soft);padding:8px 15px;border-radius:8px;cursor:pointer;transition:.18s}
.seg button.active{background:#fff;color:var(--accent);box-shadow:0 1px 4px rgba(0,0,0,.08)}

.result-box{background:linear-gradient(160deg,var(--paper-2),var(--card));border:1px solid var(--line);border-radius:14px;padding:22px}
.stat-list{display:flex;flex-direction:column;gap:2px}
.stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 2px;border-bottom:1px dashed var(--line)}
.stat:last-child{border-bottom:none}
.stat .k{font-size:14px;color:var(--ink-soft);font-weight:500}
.stat .v{font-family:var(--font-display);font-weight:600;font-size:23px;letter-spacing:-.01em;font-variant-numeric:tabular-nums;text-align:right}
.stat.big .v{font-size:32px;color:var(--accent)}
.big-result{font-family:var(--font-display);font-size:clamp(38px,7vw,58px);font-weight:600;color:var(--accent);letter-spacing:-.02em;line-height:1;text-align:center;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.big-result small{display:block;font-family:var(--font-ui);font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.hint{font-size:12.5px;color:var(--muted);margin-top:9px}
.pill-copy{font-size:12px;font-weight:600;color:var(--teal);background:rgba(47,110,94,.1);border:none;border-radius:99px;padding:5px 11px;cursor:pointer;transition:.18s}
.pill-copy:hover{background:rgba(47,110,94,.18)}
.note{background:var(--paper-2);border:1px solid var(--line-strong);border-radius:12px;padding:14px 16px;margin:16px 0 0;font-size:13.5px;color:var(--ink-soft)}
.note strong{color:var(--ink)}

/* Tabla de datos (amortización, interés compuesto…) */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin-top:18px;background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
table.data th,table.data td{text-align:right;padding:9px 13px;border-bottom:1px solid var(--line);white-space:nowrap}
table.data th:first-child,table.data td:first-child{text-align:left}
table.data th{font-weight:700;color:var(--ink);background:var(--paper-2);position:sticky;top:0}
table.data tr:last-child td{border-bottom:none}

/* Zona de soltar archivos */
.drop{border:2px dashed var(--line-strong);border-radius:14px;padding:34px 20px;text-align:center;cursor:pointer;background:#fff;transition:.2s;color:var(--ink-soft);font-size:14.5px}
.drop:hover,.drop.over{border-color:var(--accent);background:#fffdf9}
.drop input{display:none}
.drop .big-ic{font-size:30px;display:block;margin-bottom:8px}
.file-list{margin-top:12px;font-size:13.5px;color:var(--ink-soft)}
.file-list div{display:flex;justify-content:space-between;gap:10px;padding:7px 2px;border-bottom:1px dashed var(--line)}
img.preview{max-width:100%;border:1px solid var(--line);border-radius:12px;display:block}

/* Filas de horas */
.time-row{display:grid;grid-template-columns:70px 1fr 1fr 40px;gap:10px;align-items:center;margin-bottom:10px}
.time-row input{padding:11px 12px;text-align:center}
.rm-row{background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;line-height:1;transition:.18s}
.rm-row:hover{color:var(--accent)}
.unit-lbl{font-size:11px;color:var(--muted);text-align:center;display:block;margin-top:3px;letter-spacing:.04em;text-transform:uppercase}

/* QR */
#qr-out{display:grid;place-items:center;min-height:200px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
#qr-out canvas,#qr-out img{border-radius:6px}
.qr-empty{color:var(--muted);font-size:14px;text-align:center}

/* Explicación SEO */
.explain{margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}
.explain h2{font-family:var(--font-display);font-weight:600;font-size:19px;margin:18px 0 8px;letter-spacing:-.01em}
.explain h2:first-child{margin-top:0}
.explain p{font-size:14.5px;color:var(--ink-soft);margin-bottom:10px}
.explain p:last-child{margin-bottom:0}
.explain a{color:var(--accent)}

/* Footer */
footer.site{margin-top:54px;border-top:1px solid var(--line);background:var(--paper-2)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;padding:44px 0}
.foot .col h4{font-family:var(--font-display);font-size:16px;font-weight:600;margin-bottom:12px}
.foot .col a{display:block;color:var(--ink-soft);text-decoration:none;font-size:14px;padding:4px 0;transition:.18s}
.foot .col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:13px;color:var(--muted);text-align:center}
.divider{height:1px;background:var(--line);margin:8px 0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}