/* ==========================================================================
   TermoLleida — hoja de estilos de la Home (v31)
   Autocontenida. No depende de styles.css.
   Un solo :root · una sola escala de espaciado · cero !important.
   Eje de diseño: la temperatura. ember = calor/calderas · cold = frío/aire.
   ========================================================================== */

@font-face{font-family:Inter;font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/inter-variable-latin.woff2) format("woff2-variations"),url(/assets/fonts/inter-variable-latin.woff2) format("woff2")}
@font-face{font-family:Archivo;font-style:normal;font-weight:600 900;font-display:swap;src:url(/assets/fonts/archivo-variable-latin.woff2) format("woff2-variations"),url(/assets/fonts/archivo-variable-latin.woff2) format("woff2")}

:root{
  /* Paleta oficial de marca */
  --ink:#161c24;
  --fog:#232b35;
  --fog-2:#2d3743;
  --line:#3d4856;
  --paper:#f5f1ea;
  --muted:#c9c2b6;
  --ember:#e8722c;
  --ember-dark:#bf5720;
  --copper:#b08d57;
  --cold:#7fa8d9;
  --cold-dark:#5b86b8;

  /* Fondos derivados: sesgo térmico de cada ruta */
  --ink-warm:#1b1712;
  --ink-cool:#141a22;

  /* Espaciado — una sola escala */
  --s1:8px; --s2:14px; --s3:22px; --s4:34px; --s5:52px; --s6:76px; --s7:104px;

  /* Tipografía */
  --f-xs:.78rem; --f-sm:.9rem; --f-md:1.06rem; --f-lg:1.3rem; --f-xl:1.7rem;
  --f-2xl:clamp(1.9rem,3vw,2.55rem);
  --f-3xl:clamp(2.3rem,4vw,3.5rem);

  --max:1160px;
  --radius:6px;
}

/* --- Base --------------------------------------------------------------- */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit}
h1,h2,h3{font-family:Archivo,Inter,system-ui,sans-serif;line-height:1.06;letter-spacing:-.025em;margin:0}
p{margin-top:0}
.container{width:min(100% - 40px,var(--max));margin-inline:auto}

/* Las cifras se leen como un instrumento, no como texto corrido */
.num{font-variant-numeric:tabular-nums;letter-spacing:.01em;font-feature-settings:"tnum" 1}

.sr-only,.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link:focus{position:fixed;z-index:200;top:12px;left:12px;width:auto;height:auto;padding:10px 16px;margin:0;clip:auto;background:var(--paper);color:var(--ink)}
:focus-visible{outline:3px solid var(--cold);outline-offset:3px}

/* --- Botones ------------------------------------------------------------ */

.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:11px 22px;
  border:1px solid var(--ember);border-radius:var(--radius);
  background:var(--ember);color:var(--ink);
  font-weight:800;text-decoration:none;cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.button:hover{background:var(--ember-dark);border-color:var(--ember-dark)}
.button-small{min-height:42px;padding:8px 16px;font-size:.88rem}
.button-outline{background:transparent;border-color:var(--line);color:var(--paper)}
.button-outline:hover{border-color:var(--ember);background:transparent;color:var(--ember)}

/* --- Cabecera ----------------------------------------------------------- */

.site-header{position:sticky;z-index:100;top:0;background:rgba(22,28,36,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav{height:78px;display:flex;align-items:center;gap:32px}
.brand{width:190px;flex:none}
.brand img{width:100%;height:auto}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-menu a{text-decoration:none;color:var(--muted);font-size:.92rem;font-weight:650}
.nav-menu a:hover{color:var(--paper)}
.nav-actions{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;align-items:center;gap:9px}
.lang-switch a,.lang-switch span{display:inline-flex;border:1px solid var(--line);border-radius:2px;line-height:0}
.lang-switch span{outline:1px solid var(--ember);outline-offset:1px}
.menu-toggle{display:none;background:none;border:0;color:var(--paper);padding:8px}
.menu-toggle span:not(.sr-only){display:block;width:25px;height:2px;background:currentColor;margin:5px}

/* --- Hero: la elección de temperatura ----------------------------------- */

.hero{
  position:relative;overflow:hidden;
  padding:var(--s6) 0 var(--s5);
  border-bottom:1px solid var(--line);
  background:var(--ink);
}
/* Único momento de movimiento de la página: el fondo responde a la ruta
   sobre la que el visitante duda. */
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 22% 45%,rgba(232,114,44,.16),transparent 46%);
  opacity:0;transition:opacity .45s ease;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 74% 45%,rgba(127,168,217,.16),transparent 46%);
  opacity:0;transition:opacity .45s ease;
}
.hero:has(.route-warm:hover)::before,
.hero:has(.route-warm:focus-visible)::before{opacity:1}
.hero:has(.route-cool:hover)::after,
.hero:has(.route-cool:focus-visible)::after{opacity:1}
.hero>.container{position:relative;z-index:1}

.eyebrow{
  display:flex;align-items:center;gap:11px;margin:0 0 var(--s2);
  color:var(--copper);font-size:var(--f-xs);font-weight:800;
  letter-spacing:.13em;text-transform:uppercase;
}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;flex:none}

.hero h1{font-size:var(--f-3xl);max-width:17ch}
.hero h1 em{font-style:normal;color:var(--ember)}
.hero h1 i{font-style:normal;color:var(--cold)}
.hero-lead{max-width:56ch;margin:var(--s3) 0 0;color:var(--muted);font-size:var(--f-md)}

.routes{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--s3);
  margin:var(--s5) 0 var(--s4);
}
.route{
  display:flex;flex-direction:column;gap:var(--s1);
  padding:var(--s4) var(--s4) var(--s3);
  border:1px solid var(--line);border-top-width:3px;border-radius:var(--radius);
  background:var(--fog);text-decoration:none;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.route-warm{border-top-color:var(--ember);background:linear-gradient(160deg,rgba(232,114,44,.07),transparent 55%),var(--fog)}
.route-cool{border-top-color:var(--cold);background:linear-gradient(160deg,rgba(127,168,217,.07),transparent 55%),var(--fog)}
.route:hover,.route:focus-visible{transform:translateY(-3px)}
.route-warm:hover,.route-warm:focus-visible{border-color:var(--ember)}
.route-cool:hover,.route-cool:focus-visible{border-color:var(--cold)}

.route-temp{
  display:flex;align-items:center;gap:10px;
  font-size:var(--f-xs);font-weight:800;letter-spacing:.14em;text-transform:uppercase;
}
.route-warm .route-temp{color:var(--ember)}
.route-cool .route-temp{color:var(--cold)}
.route-temp svg{width:19px;height:19px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.route h2{font-size:var(--f-xl);margin-top:var(--s1)}
.route p{margin:0;color:var(--muted);font-size:var(--f-sm)}
.route-go{
  margin-top:var(--s3);padding-top:var(--s2);
  border-top:1px solid var(--line);
  font-weight:800;font-size:var(--f-sm);
  display:flex;align-items:center;justify-content:space-between;gap:var(--s1);
}
.route-warm .route-go b{color:var(--ember)}
.route-cool .route-go b{color:var(--cold)}

/* Sellos de confianza: una línea, sin cajas que parten palabras */
.proof-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:var(--s2) var(--s4);
  margin:0;padding:var(--s3) 0 0;list-style:none;
  border-top:1px solid var(--line);
  color:var(--muted);font-size:var(--f-sm);
}
.proof-line li{display:flex;align-items:baseline;gap:8px}
.proof-line b{color:var(--paper);font-weight:800}
.proof-line li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--copper);flex:none;transform:translateY(-2px)}

/* --- Secciones ---------------------------------------------------------- */

.section{padding:var(--s7) 0}
.section-heading{max-width:640px;margin-bottom:var(--s5)}
.section-heading h2{font-size:var(--f-2xl)}
.section-heading>p:last-child{margin:var(--s3) 0 0;color:var(--muted);font-size:var(--f-md)}

/* --- Rutas de servicio: la temperatura es la estructura ----------------- */

.route-section{position:relative;padding:var(--s7) 0;border-block:1px solid var(--line)}
.route-section--warm{background:var(--ink-warm)}
.route-section--cool{background:var(--ink-cool)}
/* La regla vertical no decora: su color ES la temperatura del bloque */
.route-section::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px}
.route-section--warm::before{background:linear-gradient(180deg,var(--ember),transparent)}
.route-section--cool::before{background:linear-gradient(180deg,var(--cold),transparent)}

.route-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s6);align-items:start}
.route-grid .section-heading{margin-bottom:0}
.route-section--warm .eyebrow{color:var(--ember)}
.route-section--cool .eyebrow{color:var(--cold)}
.route-section h2{font-size:var(--f-2xl)}
.route-section .lead{margin:var(--s3) 0 var(--s4);color:var(--muted);font-size:var(--f-md)}

.spec-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.spec-list li{display:grid;gap:4px;padding:var(--s3) 0;border-bottom:1px solid var(--line)}
.spec-list b{font-size:var(--f-sm);font-weight:800}
.spec-list span{color:var(--muted);font-size:var(--f-sm)}

.route-cta{display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:var(--s4)}
.route-section--cool .button{background:var(--cold);border-color:var(--cold)}
.route-section--cool .button:hover{background:var(--cold-dark);border-color:var(--cold-dark)}
.route-section--cool .button-outline{background:transparent;border-color:var(--line);color:var(--paper)}
.route-section--cool .button-outline:hover{border-color:var(--cold);color:var(--cold)}

/* --- Proceso: el único sitio con numeración, porque es una secuencia ---- */

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s5);margin:0;padding:0;list-style:none;counter-reset:step}
.steps li{position:relative;padding-top:var(--s4);border-top:1px solid var(--line)}
.steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:var(--s2);left:0;
  color:var(--copper);font-weight:800;font-size:var(--f-xs);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.steps h3{font-size:var(--f-lg);margin-bottom:var(--s1)}
.steps p{margin:0;color:var(--muted);font-size:var(--f-sm)}
.steps-foot{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s3);margin-top:var(--s5)}
.steps-foot p{margin:0;padding-left:var(--s2);border-left:3px solid var(--ember);color:var(--muted);font-size:var(--f-sm);max-width:52ch}

/* --- Compromiso --------------------------------------------------------- */

.section-dark{background:var(--fog);border-block:1px solid var(--line)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s4)}
.pillars article{padding:var(--s4);border:1px solid var(--line);border-radius:var(--radius);background:var(--ink)}
.pillars h3{font-size:var(--f-lg);margin-bottom:var(--s2)}
.pillars p{margin:0;color:var(--muted);font-size:var(--f-sm)}

.quote-promise{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--s4);
  margin-top:var(--s4);padding:var(--s4);
  border:1px solid var(--line);border-left:3px solid var(--ember);border-radius:var(--radius);
  background:var(--ink);
}
.quote-promise h3{font-size:var(--f-lg)}
.quote-promise ul{display:flex;flex-wrap:wrap;gap:var(--s1) var(--s3);margin:0;padding:0;list-style:none;color:var(--muted);font-size:var(--f-sm)}
.quote-promise li::before{content:"✓ ";color:var(--ember);font-weight:900}

/* --- Zona + preguntas --------------------------------------------------- */

.split-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:var(--s6);align-items:start}
.split-grid .section-heading{margin-bottom:var(--s4)}
.locations{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--s3)}
.locations span{padding:9px 16px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:var(--f-sm)}
.locations span:first-child{border-color:var(--ember);color:var(--paper)}

.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{position:relative;padding:var(--s3) var(--s4) var(--s3) 0;font-weight:800;cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:15px;color:var(--ember);font-size:1.4rem;line-height:1}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{margin:0;padding:0 var(--s4) var(--s3) 0;color:var(--muted);font-size:var(--f-sm)}

/* --- Formulario --------------------------------------------------------- */

.form-section{background:linear-gradient(135deg,rgba(232,114,44,.09),transparent 42%),var(--fog);border-top:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:var(--s6);align-items:start}
.form-grid .section-heading{margin-bottom:0}
.contact-shortcuts{display:flex;flex-direction:column;gap:var(--s1);margin-top:var(--s4)}
.contact-shortcuts a{color:var(--ember);font-weight:800;text-decoration:none}
.contact-shortcuts a:hover{text-decoration:underline}

.contact-form{padding:var(--s4);border:1px solid var(--line);border-radius:var(--radius);background:var(--ink)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s3)}
.contact-form label{display:grid;gap:7px;margin-bottom:var(--s3);color:var(--muted);font-size:var(--f-sm);font-weight:700}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:4px;
  background:var(--fog);color:var(--paper);
}
.contact-form textarea{resize:vertical}
.contact-form .consent{display:flex;align-items:flex-start;gap:10px;font-weight:500}
.consent input{width:auto;margin-top:5px}
.consent a{color:var(--paper)}
.form-note{margin:var(--s2) 0 0;color:var(--muted);font-size:var(--f-xs)}
.form-notice{margin:0 0 18px;padding:12px 14px;border-left:4px solid var(--ember);background:rgba(232,114,44,.14);color:var(--paper);font-size:.92rem;line-height:1.45}
.hp-field{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* --- Pie ---------------------------------------------------------------- */

.site-footer{padding:var(--s6) 0 var(--s3);background:#10151c;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--s5)}
.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:var(--s1)}
.footer-grid img{width:205px;margin-bottom:var(--s1)}
.footer-grid p{max-width:42ch;margin:0}
.footer-grid h3{color:var(--paper);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:var(--s1)}
.footer-grid a{text-decoration:none}
.footer-grid a:hover{color:var(--ember)}
.motto{color:var(--ember);font-weight:700;font-style:italic}
.footer-bottom{margin-top:var(--s5);padding-top:var(--s3);border-top:1px solid var(--line);font-size:var(--f-xs)}

/* --- Contacto flotante y barra móvil ------------------------------------ */

.whatsapp-float{
  position:fixed;z-index:90;right:22px;bottom:22px;
  display:grid;width:56px;height:56px;place-items:center;border-radius:50%;
  background:#25d366;text-decoration:none;box-shadow:0 8px 25px rgba(0,0,0,.3);
}
.mobile-contact{display:none}

/* --- Responsive --------------------------------------------------------- */

@media(max-width:960px){
  .nav{height:70px}
  .brand{width:165px}
  .menu-toggle{display:block;margin-left:auto}
  .nav-menu{display:none;position:fixed;inset:70px 0 auto;flex-direction:column;align-items:flex-start;padding:var(--s4) 20px;background:var(--ink);border-bottom:1px solid var(--line)}
  .nav-menu.open{display:flex}
  .route-grid,.split-grid,.form-grid{grid-template-columns:1fr;gap:var(--s5)}
  .steps,.pillars{grid-template-columns:1fr;gap:var(--s4)}
  .quote-promise{grid-template-columns:1fr;gap:var(--s3)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s4)}
}

@media(max-width:640px){
  .container{width:min(100% - 28px,var(--max))}
  .nav-actions .button{display:none}
  .section,.route-section{padding:var(--s6) 0}
  .hero{padding:var(--s5) 0 var(--s4)}
  .hero h1{font-size:2.2rem}
  .routes{grid-template-columns:1fr;gap:var(--s2);margin:var(--s4) 0 var(--s3)}
  .route{padding:var(--s3)}
  .route h2{font-size:var(--f-lg)}
  .proof-line{gap:var(--s1) var(--s3);font-size:var(--f-xs)}
  .field-row{grid-template-columns:1fr;gap:0}
  .contact-form{padding:var(--s3)}
  .footer-grid{grid-template-columns:1fr}
  /* En móvil manda la barra fija: el botón flotante duplicaría y taparía */
  .whatsapp-float{display:none}
  .mobile-contact{
    position:fixed;z-index:95;left:0;right:0;bottom:0;
    display:grid;grid-template-columns:1fr 1fr;
    background:var(--ink);border-top:1px solid var(--line);
  }
  .mobile-contact a{
    display:flex;align-items:center;justify-content:center;gap:8px;
    min-height:56px;font-weight:800;font-size:var(--f-sm);text-decoration:none;
  }
  .mobile-contact a+a{border-left:1px solid var(--line);color:#25d366}
  body{padding-bottom:56px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms;animation-duration:.01ms}
  .route:hover,.route:focus-visible{transform:none}
}