/* ============================================================
   MELQUIBRA — hoja de estilos común a todas las páginas
   Tokens claros y oscuros · cabecera · bloques · pie · cookies
   ============================================================ */

:root{
  --azul:#1D4E89; --azul-900:#0C2138; --azul-600:#2A63A8; --azul-50:#E7EFF8;
  --coral:#D2492A; --coral-soft:#FAEAE4;
  --ink:#141C26; --muted:#4C5A69; --faint:#7B8795;
  --bg:#F5F7FA; --surface:#FFFFFF; --surface-2:#E9EFF6;
  --line:rgba(20,28,38,.15); --line-soft:rgba(20,28,38,.08);
  --shadow:0 22px 44px -30px rgba(12,33,56,.5);
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Lora",Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
  --wrap:1180px; --pad:clamp(20px,5vw,40px); --radius:6px;
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --azul:#6FA8E6; --azul-900:#DCE9F7; --azul-600:#5B95D4; --azul-50:#132539;
  --coral:#E8805E; --coral-soft:#2E1C16;
  --ink:#E6EDF5; --muted:#A3B2C2; --faint:#7A8A9B;
  --bg:#0C1219; --surface:#121A24; --surface-2:#18222E;
  --line:rgba(230,237,245,.16); --line-soft:rgba(230,237,245,.09);
  --shadow:0 22px 44px -28px rgba(0,0,0,.8);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --azul:#6FA8E6; --azul-900:#DCE9F7; --azul-600:#5B95D4; --azul-50:#132539;
    --coral:#E8805E; --coral-soft:#2E1C16;
    --ink:#E6EDF5; --muted:#A3B2C2; --faint:#7A8A9B;
    --bg:#0C1219; --surface:#121A24; --surface-2:#18222E;
    --line:rgba(230,237,245,.16); --line-soft:rgba(230,237,245,.09);
    --shadow:0 22px 44px -28px rgba(0,0,0,.8);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.66;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--azul);outline-offset:3px}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.section{padding:clamp(48px,6.5vw,86px) 0}
.section--tint{background:var(--surface-2)}
.section__head{max-width:62ch;margin-bottom:clamp(26px,4vw,42px)}

.kicker{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--azul);margin:0 0 15px}
.kicker::before{content:"";width:20px;height:2px;background:var(--coral)}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.16;margin:0;letter-spacing:-.012em}
h1{font-size:clamp(33px,5vw,53px)}
h2{font-size:clamp(26px,3.6vw,38px)}
h3{font-size:clamp(18.5px,2vw,21px);line-height:1.28}
h4{font-size:16px}
.lead{font-size:clamp(16.5px,1.8vw,19px);color:var(--muted);margin:16px 0 0}
p{margin:14px 0 0}
.prose p:first-child{margin-top:0}
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{margin:14px 0 0;padding-left:1.15em;color:var(--muted)}
.prose li+li{margin-top:6px}
strong{font-weight:700}

/* --- botones ------------------------------------------------ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--sans);font-weight:700;font-size:15px;line-height:1.2;padding:13px 22px;border:2px solid transparent;border-radius:var(--radius);text-decoration:none;cursor:pointer;transition:background .18s,border-color .18s,color .18s}
.btn--primary{background:var(--azul);border-color:var(--azul);color:#F7FAFD}
.btn--primary:hover{background:var(--azul-600);border-color:var(--azul-600)}
:root[data-theme="dark"] .btn--primary{color:#0B1118}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn--primary{color:#0B1118}}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--outline:hover{border-color:var(--ink)}
.btn--block{width:100%}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;background:transparent;border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);cursor:pointer}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{border-color:var(--ink)}
.burger{display:none}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;text-align:left}
.linkbtn:hover{color:var(--azul)}

/* --- cabecera ----------------------------------------------- */
.site-header{position:sticky;top:0;z-index:70;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(9px);border-bottom:1px solid var(--line-soft)}
.site-header__bar{max-width:var(--wrap);margin-inline:auto;padding:12px var(--pad);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:-.02em;text-decoration:none;margin-right:auto}
.brand svg{width:34px;height:34px}
.nav{display:flex;gap:22px}
.nav a{font-size:14.5px;font-weight:500;color:var(--muted);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-color:var(--coral)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .btn{padding:10px 17px;font-size:14px}
.mobile-nav{display:none;flex-direction:column;gap:2px;padding:6px var(--pad) 16px;border-top:1px solid var(--line-soft)}
.mobile-nav.is-open{display:flex}
.mobile-nav a{padding:12px 0;text-decoration:none;font-weight:500;border-bottom:1px solid var(--line-soft)}
.mobile-nav .btn{margin-top:12px;border-bottom:0}

/* --- portada ------------------------------------------------ */
.hero{padding:clamp(40px,6vw,74px) 0 clamp(34px,5vw,58px)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,56px);align-items:center}
.hero__title{font-size:clamp(33px,5vw,53px)}
.hero__title em{font-style:normal;color:var(--azul)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__note{margin-top:14px;font-size:14px;color:var(--faint)}
.hero__badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--coral);background:var(--coral-soft);border-radius:999px;padding:5px 13px}
.hero__panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.hero__panel header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line-soft);background:var(--surface-2)}
.hero__panel header span{font-family:var(--mono);font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.hero__panel table{width:100%;border-collapse:collapse;font-size:14.5px}
.hero__panel th{text-align:left;font-family:var(--mono);font-weight:400;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--faint);padding:11px 18px;border-bottom:1px solid var(--line-soft)}
.hero__panel td{padding:11px 18px;border-bottom:1px solid var(--line-soft)}
.hero__panel tr:last-child td{border-bottom:0}
.hero__panel .num{font-family:var(--mono);text-align:right;white-space:nowrap}
.hero__panel .flag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px}
.flag--low{color:var(--coral);background:var(--coral-soft)}
.flag--ok{color:var(--azul);background:var(--azul-50)}
.hero__art{margin:0}

/* --- cifras -------------------------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--bg);padding:24px 20px}
.stat b{display:block;font-family:var(--serif);font-size:clamp(26px,3.4vw,36px);font-weight:600;letter-spacing:-.02em;color:var(--azul)}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* --- tarjetas ------------------------------------------------ */
.cards{display:grid;gap:18px}
.cards--2{grid-template-columns:repeat(2,1fr)}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px 24px}
.card--accent{border-color:var(--azul);box-shadow:var(--shadow)}
.card__icon{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);background:var(--azul-50);color:var(--azul);margin-bottom:14px}
.card__icon svg{width:22px;height:22px}
.card__tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--coral);margin-bottom:10px}
.card__price{font-family:var(--serif);font-size:30px;font-weight:600;letter-spacing:-.02em;margin:12px 0 2px}
.card__price small{display:block;font-family:var(--sans);font-size:13px;font-weight:500;color:var(--faint);letter-spacing:0}
.card__list{list-style:none;margin:16px 0 0;padding:0;font-size:15.5px;color:var(--muted)}
.card__list li{position:relative;padding-left:22px;margin-top:9px}
.card__list li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border:2px solid var(--azul);border-radius:2px}
.card p{color:var(--muted);font-size:16px}

/* --- listas de control --------------------------------------- */
.checklist{list-style:none;margin:22px 0 0;padding:0}
.checklist li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line-soft)}
.checklist li:last-child{border-bottom:1px solid var(--line-soft)}
.checklist b{font-family:var(--mono);font-size:11.5px;color:var(--coral);padding-top:3px}

/* --- para quién sí / no -------------------------------------- */
.choices{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.choice{background:var(--surface);border:1px solid var(--line-soft);border-left:4px solid var(--azul);border-radius:var(--radius);padding:26px 24px}
.choice--no{border-left-color:var(--coral)}
.choice ul{list-style:none;margin:16px 0 0;padding:0;font-size:15.5px;color:var(--muted)}
.choice li{position:relative;padding-left:20px;margin-top:10px}
.choice li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--azul)}
.choice--no li::before{background:var(--coral)}

/* --- comparación / split -------------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4.5vw,50px);align-items:center}
.split--reverse .split__art{order:-1}
.split__art{margin:0;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px}
.split__art figcaption{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}

/* --- pasos ---------------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:paso}
.step{background:var(--surface);border-top:3px solid var(--azul);border-radius:0 0 var(--radius) var(--radius);padding:22px 20px 24px}
.step::before{counter-increment:paso;content:"0" counter(paso);display:block;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--coral);margin-bottom:8px}
.step p{font-size:15.5px;color:var(--muted)}

/* --- preguntas ------------------------------------------------ */
.faq{display:grid;gap:10px;max-width:850px}
.faq__item{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.faq__item summary{cursor:pointer;list-style:none;padding:17px 21px;font-family:var(--serif);font-weight:600;font-size:18px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";font-family:var(--mono);color:var(--coral);transition:transform .2s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{padding:0 21px 18px;margin:0;color:var(--muted);font-size:16px}

/* --- glosario -------------------------------------------------- */
.glossary{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.glossary__item{background:var(--bg);padding:20px 22px}
.glossary__item dt{font-family:var(--serif);font-weight:600;font-size:17px}
.glossary__item dd{margin:6px 0 0;font-size:15.5px;color:var(--muted)}

/* --- formulario ------------------------------------------------ */
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,30px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.field{display:grid;gap:6px}
.field--full{grid-column:1/-1}
.field > span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:16px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:11px 13px;width:100%}
.field textarea{min-height:120px;resize:vertical}
.field-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;align-items:center}
.consent{grid-column:1/-1;display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.consent input{margin-top:5px}
.form__note{margin:14px 0 0;font-family:var(--mono);font-size:10.5px;line-height:1.8;color:var(--faint)}
.form__done{margin:12px 0 0;font-family:var(--mono);font-size:12px;color:var(--azul)}

/* --- avisos y datos -------------------------------------------- */
.notice{border-left:4px solid var(--coral);background:var(--coral-soft);border-radius:0 var(--radius) var(--radius) 0;padding:15px 18px;margin:22px 0 0;font-size:15.5px}
.contact-data{list-style:none;margin:22px 0 0;padding:0;font-size:15.5px;color:var(--muted)}
.contact-data li{padding:11px 0;border-top:1px solid var(--line-soft)}
.contact-data li:last-child{border-bottom:1px solid var(--line-soft)}
.contact-data b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:2px}

/* --- encabezado de página interior ------------------------------ */
.page-head{padding:clamp(34px,4.5vw,58px) 0 clamp(20px,3vw,32px);border-bottom:1px solid var(--line-soft)}
.breadcrumbs{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin:0 0 14px}
.breadcrumbs a{text-decoration:none}
.breadcrumbs a:hover{color:var(--azul)}
.legal{max-width:76ch}
.legal__meta{font-family:var(--mono);font-size:11.5px;color:var(--faint);margin:10px 0 0}

/* --- pie --------------------------------------------------------- */
.site-footer{background:var(--azul-900);color:rgba(236,243,250,.72);margin-top:0}
:root[data-theme="dark"] .site-footer{background:#0A1017}
.site-footer__cols{max-width:var(--wrap);margin-inline:auto;padding:clamp(40px,5.5vw,62px) var(--pad) 26px;display:grid;grid-template-columns:1.4fr .8fr .8fr 1.6fr;gap:clamp(22px,4vw,40px)}
.site-footer__brand .brand{color:#F2F7FC;margin-right:0}
.site-footer__brand p{max-width:34ch;font-size:15px}
.site-footer h4{font-family:var(--mono);font-weight:400;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#F2F7FC;margin-bottom:13px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:15px}
.site-footer a{text-decoration:none;color:rgba(236,243,250,.72)}
.site-footer a:hover{color:#F2F7FC}
.site-footer__legal{font-family:var(--mono);font-size:10.5px;line-height:1.95;color:rgba(236,243,250,.5)}
.site-footer__bar{max-width:var(--wrap);margin-inline:auto;padding:14px var(--pad) 30px;border-top:1px solid rgba(236,243,250,.16);display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;font-family:var(--mono);font-size:10.5px;color:rgba(236,243,250,.5)}
.site-footer__notice{color:#9CC4EC}

/* --- cookies ------------------------------------------------------ */
.cookie{position:fixed;left:14px;right:14px;bottom:14px;z-index:90;max-width:640px;margin-inline:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 26px 54px -28px rgba(12,33,56,.65);padding:22px}
.cookie h3{font-size:19px}
.cookie p{font-size:14.5px;color:var(--muted)}
.cookie__prefs{display:grid;gap:9px;margin-top:14px;padding-top:13px;border-top:1px solid var(--line-soft)}
.cookie__prefs label{display:flex;gap:11px;align-items:flex-start;font-size:14.5px}
.cookie__prefs input{margin-top:5px}
.cookie__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}
.cookie__actions .btn{padding:10px 16px;font-size:13.5px}

/* --- aparición ----------------------------------------------------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

/* --- adaptación ---------------------------------------------------- */
@media (max-width:1040px){
  .hero__grid,.split{grid-template-columns:1fr}
  .split--reverse .split__art{order:0}
  .cards--4,.steps{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .site-footer__cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .cards--3{grid-template-columns:1fr}
  .glossary{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav{display:none}
  .burger{display:inline-flex}
  .header-actions > .btn{display:none}
  .cards--2,.choices{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .site-footer__cols{grid-template-columns:1fr;gap:26px}
}
@media (max-width:560px){
  body{font-size:16px}
  .cards--4,.steps,.stats{grid-template-columns:1fr}
  .cookie{left:10px;right:10px;bottom:10px;padding:18px}
  .hero__panel th,.hero__panel td{padding:10px 13px}
}
@media print{
  .site-header,.cookie,.hero__cta,.form{display:none!important}
  body{background:#fff;color:#000}
}