:root{--bg:#f7fafc;--ink:#102033;--muted:#61738a;--brand:#0ea5a4;--brand2:#0f766e;--line:#dce7ef;--card:#fff;--amber:#f59e0b;--red:#ef4444;--green:#10b981;--shadow:0 18px 40px rgba(16,32,51,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:auto}.site-header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:20}.nav{display:flex;align-items:center;gap:22px;min-height:72px}.brand{font-weight:850;font-size:1.12rem;display:flex;align-items:center;gap:8px}.bolt{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#22c55e);color:#fff}.links{display:flex;gap:16px;align-items:center;margin-left:auto;font-size:.95rem}.links a{color:#42526a}.links a:hover{color:var(--brand2)}.cta-small,.btn{border-radius:999px;padding:.8rem 1.05rem;font-weight:750;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center}.cta-small{background:#e8fffb;color:var(--brand2)}.btn.primary{background:var(--brand2);color:white;border-color:var(--brand2)}.btn.ghost{background:white}.menu{display:none;margin-left:auto;border:0;background:white;font-size:1.4rem}.hero{background:radial-gradient(circle at 70% 15%,#c8fff0 0,#f7fafc 38%,#eef7ff 100%);padding:44px 0}.hero-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:36px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.11em;color:var(--brand2);font-weight:850;font-size:.78rem}.hero h1,.article h1{font-size:clamp(1.65rem,3.8vw,3.2rem);line-height:1.08;margin:.25rem 0 1rem}.lead{font-size:1.16rem;color:#40536a;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.trust{display:flex;gap:10px;flex-wrap:wrap}.trust span,.pill,.badge{font-size:.82rem;border-radius:999px;padding:.35rem .65rem;background:#fff;border:1px solid var(--line);color:#50647b}.summary-card,.card,.tip-card,.tariff,.cta-panel{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:26px}.summary-card .label{color:var(--muted);font-weight:750}.big{font-size:3rem;font-weight:900;color:var(--brand2);margin:.2rem 0}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-grid div{background:#f1fbf9;border-radius:18px;padding:14px 16px}.mini-grid span{display:block;color:var(--muted);font-size:.9rem}.mini-grid div.mini-best{background:#ecfdf5;border:1.5px solid #bbf7d0}.mini-grid div.mini-worst{background:#fff1f2;border:1.5px solid #fecdd3}.mini-grid .mini-label{font-size:.73rem;font-weight:850;letter-spacing:.07em;text-transform:uppercase;margin-bottom:5px;color:var(--muted)}.mini-grid strong{font-size:1.18rem;font-weight:900;display:block;margin:.1rem 0}.mini-grid .mini-price{display:block;font-size:.93rem;font-weight:750;margin:.12rem 0}.mini-grid .mini-price.ok{color:#065f46}.mini-grid .mini-price.high{color:#991b1b}.mini-grid .mini-diff{display:block;font-size:.8rem;opacity:.9}.mini-grid .mini-diff.ok{color:#065f46}.mini-grid .mini-diff.high{color:#991b1b}.section{padding:58px 0}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end}.section h2,.article h2{font-size:2rem;line-height:1.15}.table-wrap{overflow:auto;background:white;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}th{background:#eef8f6;color:#234}tr:last-child td{border-bottom:0}.pill.ok{background:#e7fff4;color:#067647}.pill.mid{background:#fff7db;color:#915c00}.pill.high{background:#ffeaea;color:#a62626}.note{color:var(--muted);font-size:.94rem}tr.row-ok td{background:#f0fdf4}tr.row-mid td{background:#fffbeb}tr.row-high td{background:#fff1f2}tr.row-ok:hover td{background:#dcfce7}tr.row-mid:hover td{background:#fef9c3}tr.row-high:hover td{background:#fde8e8}.chart-legend-inline{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;color:var(--muted)}.legend-band{display:inline-block;width:20px;height:10px;background:rgba(14,165,164,.22);border-radius:3px;border:1px solid rgba(14,165,164,.4)}.legend-line{display:inline-block;width:20px;height:3px;background:#0f766e;border-radius:2px;box-shadow:0 0 4px rgba(15,118,110,.4)}#tabla-horaria{padding-top:28px}.two-cols{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}.checklist{padding-left:0;list-style:none}.checklist li{padding:10px 0 10px 34px;position:relative}.checklist li:before{content:'✓';position:absolute;left:0;top:8px;background:#dcfce7;color:#166534;border-radius:999px;width:24px;height:24px;display:grid;place-items:center;font-weight:900}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card:hover{transform:translateY(-3px);transition:.2s}.article{padding:58px 0;max-width:980px}.article h1{font-size:clamp(2.1rem,4vw,3.8rem)}.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}.compare>div{background:white;border:1px solid var(--line);border-radius:22px;padding:22px}.tariff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.price{font-size:1.55rem;font-weight:900;color:var(--brand2)}.badge{background:#e8fffb;color:var(--brand2);font-weight:800}.calc{display:grid;gap:16px;background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow)}label{font-weight:750}input,textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font:inherit}textarea{min-height:140px}.result{margin-top:18px;background:#102033;color:#fff;padding:22px;border-radius:22px;font-size:1.35rem;font-weight:850}.footer{background:#0b1725;color:#d8e4ef;margin-top:50px;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:28px}.footer a{display:block;color:#d8e4ef;margin:8px 0}.footer-brand{color:#fff}.subfooter{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:18px;color:#9fb1c4;font-size:.92rem}code{background:#edf2f7;border-radius:8px;padding:.1rem .35rem}@media(max-width:850px){.links{display:none;position:absolute;left:0;right:0;top:72px;background:white;padding:18px;flex-direction:column;border-bottom:1px solid var(--line)}.links.open{display:flex}.menu{display:block}.cta-small{display:none}.hero-grid,.two-cols,.compare,.footer-grid{grid-template-columns:1fr}.cards,.tariff-grid{grid-template-columns:1fr}.section-head{display:block}.hero{padding:46px 0}.nav{min-height:66px}}

.cookie-banner{position:fixed;left:18px;right:18px;bottom:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:18px;z-index:50;display:none;gap:16px;align-items:center;justify-content:space-between}.cookie-banner.show{display:flex}.cookie-banner p{margin:0;color:#40536a}.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}@media(max-width:700px){.cookie-banner{flex-direction:column;align-items:flex-start}}

.legal-alert{background:#fff7db;border:1px solid #f2d276;border-radius:18px;padding:16px;margin:20px 0;color:#5f4300}.checkbox{display:flex;gap:10px;align-items:flex-start;font-weight:650}.checkbox input{width:auto;margin-top:.35rem}.cookie-banner{max-width:980px;margin:auto;left:18px;right:18px}.cookie-panel{position:fixed;inset:0;background:rgba(11,23,37,.48);z-index:60;display:none;align-items:center;justify-content:center;padding:18px}.cookie-panel.show{display:flex}.cookie-modal{background:#fff;border-radius:26px;box-shadow:var(--shadow);border:1px solid var(--line);max-width:760px;width:100%;max-height:90vh;overflow:auto;padding:24px}.cookie-row{border:1px solid var(--line);border-radius:18px;padding:14px;margin:12px 0;background:#f9fbfd}.cookie-row label{display:flex;gap:12px;align-items:flex-start}.cookie-row input{width:auto;margin-top:.35rem}.cookie-row small{display:block;color:var(--muted);font-weight:500;margin-top:3px}.cookie-modal-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.commercial-disclosure{background:#eef8f6;border:1px solid var(--line);border-radius:18px;padding:14px;margin:18px 0;color:#234}


/* Herramientas, SEO programático y autoridad */
.tool-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start}.tool-panel{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:24px}.tool-panel h3{margin-top:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .full{grid-column:1/-1}.range-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.metric{background:#f1fbf9;border:1px solid var(--line);border-radius:18px;padding:14px}.metric strong{display:block;font-size:1.45rem;color:var(--brand2)}.recommendation{background:#0b1725;color:#eef8f6;border-radius:22px;padding:18px;margin-top:16px}.recommendation strong{color:#fff}.hour-list{display:grid;gap:8px;margin-top:12px}.hour-row{display:flex;justify-content:space-between;gap:10px;align-items:center;background:#f8fbfd;border:1px solid var(--line);border-radius:14px;padding:10px 12px}.hour-row.best{background:#e7fff4;border-color:#9ae6c4}.author-box,.method-box,.source-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;margin:18px 0}.author-box{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center}.avatar{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#e8fffb;color:var(--brand2);font-weight:900}.source-list{display:grid;gap:10px}.source-list a{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#f8fbfd}.seo-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.seo-links a{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 8px 24px rgba(15,23,42,.06)}.notice{background:#fff7db;border:1px solid #f2d276;border-radius:18px;padding:14px;color:#5f4300}.small-muted{font-size:.92rem;color:var(--muted)}.toc{background:#f8fbfd;border:1px solid var(--line);border-radius:18px;padding:16px}.toc a{display:block;margin:8px 0}.appliance-presets{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.5rem .75rem;font-weight:800;cursor:pointer}.chip:hover{background:#eef8f6}.alert-status{margin-top:12px;font-weight:800}.cw-note{font-size:.9rem;color:var(--muted);margin-top:10px}@media(max-width:850px){.tool-grid,.form-grid,.result-grid,.seo-links{grid-template-columns:1fr}.author-box{grid-template-columns:1fr}.range-row{grid-template-columns:1fr}.tool-panel{padding:18px}}

/* Gráficos mejorados y legibles */
.chart-shell{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:18px;margin:18px 0 22px;overflow:hidden}.chart-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:10px}.chart-top strong{font-size:1.05rem;color:var(--ink)}.chart-top span{color:var(--muted);font-size:.92rem}.chart-shell canvas{display:block;width:100%;min-height:300px}.chart-legend{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;background:#f8fbfd;border:1px solid var(--line);border-radius:16px;padding:12px 14px;margin-top:12px;color:#23364a;font-size:.95rem}.legend-dot{width:12px;height:12px;border-radius:50%;display:inline-block;margin-right:-6px}.legend-dot.ok{background:#10b981}.legend-dot.high{background:#ef4444}.history-controls{display:flex;gap:10px;align-items:end;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px}.history-controls label{min-width:130px}.history-controls select{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font:inherit;background:#fff}.chart-shell.history canvas{min-height:300px}.chart-status{background:#eef8f6;border:1px solid var(--line);border-radius:16px;padding:12px 14px;color:#234;font-weight:750}.metric span{color:var(--ink)!important;font-weight:850}.result .metric span{color:var(--ink)!important}.metric{color:var(--ink)}@media(max-width:850px){.chart-shell{padding:12px;border-radius:20px}.chart-top{display:block}.chart-shell canvas{min-height:260px}.history-controls{display:grid;grid-template-columns:1fr}.chart-legend{font-size:.88rem}}

.chart-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.chart-fullscreen,.btn-icon{padding:7px 10px;border-radius:10px;font-size:1rem;background:#f1f5f9;color:#475569;border:1px solid var(--line);cursor:pointer;line-height:1;display:inline-flex;align-items:center}.chart-fullscreen:hover,.btn-icon:hover{background:#e2e8f0;color:#0f766e}.chart-shell:fullscreen{background:#f3f7fa;padding:22px;width:100vw;height:100vh;overflow:auto}.chart-shell.is-fullscreen{border-radius:0;box-shadow:none}.chart-shell.is-fullscreen #priceChart{height:calc(100vh - 190px)!important;min-height:560px}.chart-shell.chart-maximized{position:fixed;inset:14px;z-index:9999;background:#f3f7fa;overflow:auto}.chart-shell.chart-maximized #priceChart{height:calc(100vh - 210px)!important;min-height:520px}.chart-legend .zone-label{display:inline-flex;align-items:center;gap:6px;font-weight:850}.chart-legend .zone-label.ok{color:#065f46}.chart-legend .zone-label.high{color:#991b1b}@media(max-width:850px){.chart-actions{justify-content:flex-start}.chart-fullscreen{width:100%}.chart-shell.is-fullscreen #priceChart{height:calc(100vh - 230px)!important;min-height:420px}}

/* Bloque legal visible de fuentes y estado del dato */
.legal-data-strip{display:grid;grid-template-columns:1.35fr .9fr;gap:24px;align-items:stretch;margin-top:-28px;margin-bottom:34px;padding:24px;border:1px solid var(--border);border-radius:28px;background:linear-gradient(135deg,#ffffff 0%,#eefcf8 100%);box-shadow:var(--shadow)}
.legal-data-copy h2{margin:.2rem 0 .65rem;color:var(--ink)}
.legal-data-copy p{margin:.5rem 0;color:var(--muted)}
.data-status-card{display:grid;grid-template-columns:1fr;gap:10px;margin:0;padding:0}
.data-status-card div{padding:12px 14px;border:1px solid #d9e8f2;border-radius:18px;background:#fff}
.data-status-card dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;font-weight:800;color:var(--teal)}
.data-status-card dd{margin:4px 0 0;color:var(--ink);font-weight:800}
.data-status-card a{color:var(--teal);font-weight:800}
@media (max-width:800px){.legal-data-strip{grid-template-columns:1fr;margin-top:0;padding:18px}}