/* ============================================================================
   MAISO ENERGY — hoja de estilo
   Dirección de diseño: "Instrumento de clima".
   Grafito técnico + escala térmica hielo→ámbar + tipografía de hoja de datos.
   ========================================================================= */

/* --- 1. Tokens ---------------------------------------------------------- */
:root {
    /* Superficies */
    --grafito:        #0A0E11;
    --grafito-2:      #10171D;
    --grafito-3:      #18222A;
    --hueso:          #F4F1EA;
    --hueso-2:        #E9E4D9;
    --hueso-3:        #DCD5C6;

    /* Escala térmica */
    --frio:           #4FC8E8;
    --frio-hondo:     #0B7A96;
    --frio-tinta:     #08556A;
    --calor:          #E86A2B;
    --calor-suave:    #F5A15E;

    /* Texto */
    --tinta:          #0A0E11;
    --tinta-suave:    #4E5761;
    --tinta-tenue:    #858D96;
    --claro:          #F4F1EA;
    --claro-suave:    rgba(244, 241, 234, .66);
    --claro-tenue:    rgba(244, 241, 234, .40);

    /* Líneas */
    --linea-osc:      rgba(244, 241, 234, .12);
    --linea-osc-2:    rgba(244, 241, 234, .22);
    --linea-cla:      rgba(10, 14, 17, .14);
    --linea-cla-2:    rgba(10, 14, 17, .26);

    /* Tipografía */
    --display: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
    --texto:   "Instrument Sans", "Helvetica Neue", sans-serif;
    --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

    /* Métrica */
    --ancho:     78rem;
    --ancho-str: 46rem;
    --canal:     clamp(1.25rem, 4vw, 3rem);
    --seccion:   clamp(4.5rem, 9vw, 8.5rem);
    --radio:     2px;

    /* Cinta térmica: el motivo que recorre todo el sitio */
    --cinta: linear-gradient(90deg,
                var(--frio-tinta) 0%,
                var(--frio-hondo) 14%,
                var(--frio) 32%,
                #CFE9F0 46%,
                #F0E7D4 54%,
                var(--calor-suave) 70%,
                var(--calor) 88%,
                #A8360C 100%);
}

/* --- 2. Reinicio -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--hueso);
    color: var(--tinta);
    font-family: var(--texto);
    font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
    line-height: 1.62;
    font-feature-settings: "kern" 1, "liga" 1;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4 {
    font-family: var(--display);
    font-weight: 700;
    line-height: .98;
    letter-spacing: -.03em;
    margin: 0;
    text-wrap: balance;
}

h1 { font-size: clamp(2.75rem, 1.4rem + 6vw, 6.5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 1.2rem + 3.4vw, 3.9rem); }
h3 { font-size: clamp(1.3rem, 1.05rem + 1vw, 1.75rem); letter-spacing: -.02em; }
h4 { font-size: 1.05rem; letter-spacing: -.01em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--calor); color: var(--hueso); }

:focus-visible {
    outline: 2px solid var(--frio);
    outline-offset: 3px;
}

/* --- 3. Utilidades estructurales --------------------------------------- */
.env {
    width: min(100% - var(--canal) * 2, var(--ancho));
    margin-inline: auto;
}

.env--str { max-width: var(--ancho-str); }

.seccion { padding-block: var(--seccion); }
.seccion--fino { padding-block: calc(var(--seccion) * .6); }

.oscuro {
    background: var(--grafito);
    color: var(--claro);
}

.oscuro h1, .oscuro h2, .oscuro h3, .oscuro h4 { color: var(--hueso); }

.solo-lectores {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.saltar {
    position: absolute; top: -100%; left: var(--canal);
    z-index: 200; background: var(--calor); color: var(--hueso);
    padding: .7rem 1.2rem; font-family: var(--mono); font-size: .78rem;
}
.saltar:focus { top: .6rem; }

/* --- 4. Motivo: cinta térmica ------------------------------------------ */
.cinta {
    height: 3px;
    background: var(--cinta);
    border: 0;
    margin: 0;
    width: 100%;
}

.cinta--fina { height: 1.5px; }

/* Trama de plano técnico */
.trama {
    position: relative;
    isolation: isolate;
}
.trama::before {
    content: "";
    position: absolute; inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(to right, rgba(244,241,234,.045) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(244,241,234,.045) 1px, transparent 1px);
    background-size: 68px 68px;
    mask-image: radial-gradient(120% 90% at 50% 0%, #000 20%, transparent 78%);
}

.trama--clara::before {
    background-image:
        linear-gradient(to right, rgba(10,14,17,.055) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(10,14,17,.055) 1px, transparent 1px);
}

/* Grano sutil sobre fondos oscuros */
.grano::after {
    content: "";
    position: absolute; inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: .30;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* --- 5. Marcadores de sección ------------------------------------------ */
.marca {
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .16em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    color: var(--tinta-tenue);
    margin-bottom: 1.4rem;
}
.marca::before {
    content: "";
    width: 2.2rem; height: 1.5px;
    background: var(--cinta);
}
.oscuro .marca { color: var(--claro-tenue); }

.entradilla {
    font-size: clamp(1.05rem, 1rem + .35vw, 1.25rem);
    color: var(--tinta-suave);
    max-width: 46ch;
}
.oscuro .entradilla { color: var(--claro-suave); }

/* --- 6. Botones --------------------------------------------------------- */
.btn {
    --btn-fondo: var(--tinta);
    --btn-texto: var(--hueso);
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    padding: .95rem 1.6rem;
    background: var(--btn-fondo);
    color: var(--btn-texto);
    font-family: var(--mono);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .09em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid var(--btn-fondo);
    border-radius: var(--radio);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s;
}

.btn span { position: relative; z-index: 2; }

.btn::before {
    content: "";
    position: absolute; inset: 0;
    background: var(--cinta);
    transform: translateY(101%);
    transition: transform .34s cubic-bezier(.2,.7,.3,1);
    z-index: 1;
}

.btn:hover { transform: translateY(-2px); }
.btn:hover::before { transform: translateY(0); }
.btn:hover span { color: var(--tinta); }

.btn--llama {
    --btn-fondo: var(--calor);
    --btn-texto: #14090300;
    color: #180A02;
}
.btn--llama span { color: #180A02; }

.btn--fantasma {
    --btn-fondo: transparent;
    --btn-texto: var(--tinta);
    border-color: var(--linea-cla-2);
}
.oscuro .btn--fantasma,
.btn--fantasma-claro {
    --btn-texto: var(--hueso);
    border-color: var(--linea-osc-2);
}

.btn--bloque { width: 100%; justify-content: center; }

.flecha { transition: transform .3s cubic-bezier(.2,.7,.3,1); }
.btn:hover .flecha { transform: translateX(4px); }

/* Enlace subrayado técnico */
.enlace {
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding-bottom: .3rem;
    border-bottom: 1.5px solid currentColor;
    transition: gap .25s, color .25s;
}
.enlace:hover { gap: .9rem; color: var(--calor); }

/* --- 7. Cabecera -------------------------------------------------------- */
.cab {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 17, .82);
    backdrop-filter: blur(14px) saturate(1.4);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    border-bottom: 1px solid var(--linea-osc);
    color: var(--claro);
}

.cab__barra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 4.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: .7rem;
    text-decoration: none;
    color: var(--hueso);
    flex-shrink: 0;
}

.logo__glifo {
    width: 2.1rem; height: 2.1rem;
    display: grid; place-items: center;
    border: 1.5px solid var(--linea-osc-2);
    position: relative;
    overflow: hidden;
}
.logo__glifo::after {
    content: "";
    position: absolute; left: 0; right: 0; bottom: 0;
    height: 40%;
    background: var(--cinta);
    transition: height .4s cubic-bezier(.2,.7,.3,1);
}
.logo:hover .logo__glifo::after { height: 100%; }
.logo__glifo span {
    position: relative; z-index: 2;
    font-family: var(--display); font-weight: 800;
    font-size: 1rem; line-height: 1;
}

.logo__texto { line-height: 1.05; }
.logo__nombre {
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: -.02em;
    display: block;
}
.logo__claim {
    font-family: var(--mono);
    font-size: .58rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--claro-tenue);
    display: block;
}

.nav { display: flex; align-items: center; gap: 2rem; }

.nav__lista {
    display: flex;
    align-items: center;
    gap: 1.9rem;
    list-style: none;
    margin: 0; padding: 0;
}

.nav__enlace {
    font-family: var(--mono);
    font-size: .76rem;
    letter-spacing: .09em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--claro-suave);
    padding-block: .4rem;
    position: relative;
    transition: color .2s;
}
.nav__enlace::after {
    content: "";
    position: absolute; left: 0; bottom: 0;
    width: 0; height: 1.5px;
    background: var(--cinta);
    transition: width .28s cubic-bezier(.2,.7,.3,1);
}
.nav__enlace:hover { color: var(--hueso); }
.nav__enlace:hover::after,
.nav__enlace[aria-current="page"]::after { width: 100%; }
.nav__enlace[aria-current="page"] { color: var(--hueso); }

.cab__tel {
    font-family: var(--mono);
    font-size: .78rem;
    text-decoration: none;
    color: var(--claro);
    letter-spacing: .04em;
    white-space: nowrap;
}
.cab__tel:hover { color: var(--frio); }

.cab .btn { padding: .7rem 1.15rem; font-size: .72rem; }

/* Menú móvil */
.hamburguesa {
    display: none;
    width: 2.6rem; height: 2.6rem;
    background: none;
    border: 1px solid var(--linea-osc-2);
    border-radius: var(--radio);
    cursor: pointer;
    padding: 0;
    position: relative;
}
.hamburguesa span {
    position: absolute;
    left: 50%; translate: -50% 0;
    width: 1.1rem; height: 1.5px;
    background: var(--hueso);
    transition: .3s cubic-bezier(.2,.7,.3,1);
}
.hamburguesa span:nth-child(1) { top: .85rem; }
.hamburguesa span:nth-child(2) { top: 1.25rem; }
.hamburguesa span:nth-child(3) { top: 1.65rem; }
.hamburguesa[aria-expanded="true"] span:nth-child(1) { top: 1.25rem; rotate: 45deg; }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { top: 1.25rem; rotate: -45deg; }

/* --- 8. Portada --------------------------------------------------------- */
.portada {
    position: relative;
    background: var(--grafito);
    color: var(--claro);
    overflow: hidden;
    padding-block: clamp(3.5rem, 7vw, 6.5rem) clamp(3rem, 6vw, 5.5rem);
}

.portada__halo {
    position: absolute;
    top: -25%; right: -12%;
    width: 60vw; aspect-ratio: 1;
    background: radial-gradient(circle, rgba(79,200,232,.16) 0%, rgba(232,106,43,.09) 42%, transparent 68%);
    filter: blur(30px);
    pointer-events: none;
}

.portada__rejilla {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: end;
    position: relative;
    z-index: 2;
}

.portada h1 { margin-bottom: 1.6rem; }

.portada h1 em {
    font-style: normal;
    background: var(--cinta);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.portada__acciones {
    display: flex; flex-wrap: wrap; gap: .9rem;
    margin-top: 2.2rem;
}

/* Panel de datos tipo instrumento */
.instrumento {
    border: 1px solid var(--linea-osc);
    background: linear-gradient(160deg, rgba(24,34,42,.9), rgba(10,14,17,.6));
    padding: 1.6rem;
    position: relative;
}
.instrumento::before {
    content: "";
    position: absolute; top: 0; left: 0; right: 0;
    height: 2px; background: var(--cinta);
}

.instrumento__cabecera {
    display: flex; justify-content: space-between; align-items: baseline;
    font-family: var(--mono); font-size: .68rem;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--claro-tenue);
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--linea-osc);
    margin-bottom: 1.2rem;
}

.dial {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.4rem;
    align-items: center;
}

.dial__aro {
    --grados: 214deg;
    width: 7.5rem; aspect-ratio: 1;
    border-radius: 50%;
    display: grid; place-items: center;
    background:
        conic-gradient(from 160deg,
            var(--frio-hondo) 0deg,
            var(--frio) 70deg,
            #E6E2D8 130deg,
            var(--calor-suave) 180deg,
            var(--calor) var(--grados),
            rgba(244,241,234,.09) var(--grados),
            rgba(244,241,234,.09) 360deg);
    position: relative;
    animation: girar-dial 1.4s cubic-bezier(.2,.8,.25,1) both;
}
.dial__aro::after {
    content: "";
    position: absolute; inset: 9px;
    border-radius: 50%;
    background: var(--grafito-2);
}
.dial__valor {
    position: relative; z-index: 2;
    font-family: var(--display);
    font-size: 1.85rem; font-weight: 800;
    letter-spacing: -.04em;
    color: var(--hueso);
}
.dial__valor sup { font-size: .5em; vertical-align: super; }

@keyframes girar-dial {
    from { --grados: 0deg; opacity: 0; }
    to   { --grados: 214deg; opacity: 1; }
}
@property --grados {
    syntax: "<angle>"; inherits: false; initial-value: 0deg;
}

.dial__lectura dt {
    font-family: var(--mono); font-size: .64rem;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--claro-tenue);
}
.dial__lectura dd {
    margin: .1rem 0 .85rem;
    font-family: var(--display); font-size: 1.15rem;
    font-weight: 700; letter-spacing: -.02em;
}
.dial__lectura dd:last-child { margin-bottom: 0; }

/* Cifras de portada */
.cifras {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
    border-top: 1px solid var(--linea-osc);
    margin-top: clamp(3rem, 6vw, 4.5rem);
    position: relative; z-index: 2;
}
.cifra {
    padding: 1.6rem 1.2rem 0;
    border-right: 1px solid var(--linea-osc);
}
.cifra:last-child { border-right: 0; }
.cifra__n {
    font-family: var(--display);
    font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.9rem);
    font-weight: 800; letter-spacing: -.045em;
    line-height: 1;
    display: block;
    background: var(--cinta);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cifra__t {
    font-family: var(--mono); font-size: .68rem;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--claro-tenue);
    margin-top: .55rem; display: block;
}

/* --- 9. Marcas ---------------------------------------------------------- */
.marcas {
    background: var(--grafito-2);
    border-block: 1px solid var(--linea-osc);
    padding-block: 1.5rem;
    overflow: hidden;
}
.marcas__pista {
    display: flex; gap: 3.5rem;
    align-items: center;
    font-family: var(--display);
    font-size: 1.15rem; font-weight: 700;
    letter-spacing: -.02em;
    color: rgba(244,241,234,.34);
    width: max-content;
    animation: desfilar 34s linear infinite;
}
.marcas:hover .marcas__pista { animation-play-state: paused; }
@keyframes desfilar {
    to { transform: translateX(-50%); }
}

/* --- 10. Rejillas genéricas -------------------------------------------- */
.rej-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: clamp(1.5rem, 3vw, 2.6rem); }
.rej-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: clamp(1.2rem, 2.4vw, 2rem); }
.rej-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr)); gap: 1px; }

.encabezado-seccion {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, auto);
    gap: 1.5rem 3rem;
    align-items: end;
    margin-bottom: clamp(2.2rem, 4vw, 3.4rem);
}

/* --- 11. Ficha de producto (tarjeta) ----------------------------------- */
.ficha {
    background: var(--hueso);
    border: 1px solid var(--linea-cla);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s, border-color .3s;
}
.ficha:hover {
    transform: translateY(-5px);
    border-color: var(--linea-cla-2);
    box-shadow: 0 18px 40px -22px rgba(10,14,17,.5);
}
.ficha::after {
    content: "";
    position: absolute; left: 0; right: 0; top: 0;
    height: 2px; background: var(--cinta);
    transform: scaleX(0); transform-origin: left;
    transition: transform .38s cubic-bezier(.2,.7,.3,1);
}
.ficha:hover::after { transform: scaleX(1); }

.ficha__foto {
    aspect-ratio: 4 / 3;
    background: var(--hueso-2);
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--linea-cla);
}
.ficha__foto img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.2,.7,.3,1);
}
.ficha:hover .ficha__foto img { transform: scale(1.045); }

.ficha__sello {
    position: absolute; top: .7rem; left: .7rem;
    font-family: var(--mono); font-size: .6rem;
    letter-spacing: .12em; text-transform: uppercase;
    background: var(--grafito); color: var(--hueso);
    padding: .35rem .6rem;
}

.ficha__cuerpo {
    padding: 1.2rem 1.25rem 1.35rem;
    display: flex; flex-direction: column;
    flex: 1;
}

.ficha__marca {
    font-family: var(--mono); font-size: .64rem;
    letter-spacing: .16em; text-transform: uppercase;
    color: var(--tinta-tenue);
}

.ficha__modelo {
    font-family: var(--display);
    font-size: 1.28rem; font-weight: 700;
    letter-spacing: -.025em;
    margin: .25rem 0 .1rem;
    line-height: 1.08;
}

.ficha__serie {
    font-size: .84rem; color: var(--tinta-suave);
    margin-bottom: .9rem;
}

/* Filas de especificación con guía de puntos */
.espec { list-style: none; margin: 0 0 1.1rem; padding: 0; }
.espec li {
    display: flex; align-items: baseline; gap: .4rem;
    font-family: var(--mono); font-size: .72rem;
    padding: .28rem 0;
    color: var(--tinta-suave);
}
.espec li + li { border-top: 1px dotted var(--linea-cla); }
.espec b {
    font-weight: 600; color: var(--tinta);
    margin-left: auto;
    font-variant-numeric: tabular-nums;
}

.ficha__pie {
    margin-top: auto;
    padding-top: .9rem;
    border-top: 1px solid var(--linea-cla);
    display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
}

.precio {
    font-family: var(--display);
    font-size: 1.4rem; font-weight: 800;
    letter-spacing: -.035em;
    font-variant-numeric: tabular-nums;
}
.precio small {
    display: block;
    font-family: var(--mono); font-size: .58rem;
    font-weight: 400; letter-spacing: .12em;
    text-transform: uppercase; color: var(--tinta-tenue);
    letter-spacing: .1em;
}

.ficha__ver {
    font-family: var(--mono); font-size: .68rem;
    letter-spacing: .12em; text-transform: uppercase;
    display: inline-flex; align-items: center; gap: .4rem;
    color: var(--tinta-suave);
    transition: color .25s, gap .25s;
}
.ficha:hover .ficha__ver { color: var(--calor); gap: .7rem; }

/* Etiqueta energética europea */
.nrg {
    display: inline-flex; align-items: center;
    font-family: var(--mono); font-size: .62rem; font-weight: 700;
    letter-spacing: .04em;
    padding: .2rem .5rem .2rem .45rem;
    color: #fff;
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 50%, calc(100% - 6px) 100%, 0 100%);
    padding-right: .8rem;
}
.nrg--appp { background: #00893D; }
.nrg--app  { background: #4CB847; }
.nrg--ap   { background: #BFD630; }
.nrg--a    { background: #FFF200; color: #2A2A00; }
.nrg--b    { background: #FCB814; color: #2A1A00; }

/* --- 12. Filtros del catálogo ------------------------------------------ */
.filtros {
    display: flex; flex-wrap: wrap; gap: .5rem;
    padding-bottom: 1.6rem;
    border-bottom: 1px solid var(--linea-cla);
    margin-bottom: 2.2rem;
}
.filtro {
    font-family: var(--mono); font-size: .72rem;
    letter-spacing: .08em; text-transform: uppercase;
    padding: .55rem 1rem;
    border: 1px solid var(--linea-cla);
    background: transparent;
    text-decoration: none;
    border-radius: 999px;
    transition: .25s;
    white-space: nowrap;
}
.filtro:hover { border-color: var(--tinta); }
.filtro[aria-current="true"] {
    background: var(--grafito); color: var(--hueso); border-color: var(--grafito);
}
.filtro small { opacity: .55; margin-left: .35rem; }

/* --- 13. Página de producto -------------------------------------------- */
.prod {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(2rem, 4.5vw, 4rem);
    align-items: start;
}

.prod__foto {
    border: 1px solid var(--linea-cla);
    background: var(--hueso-2);
    position: relative;
    overflow: hidden;
}
.prod__foto img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.prod__foto figcaption {
    font-family: var(--mono); font-size: .64rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--tinta-tenue);
    padding: .7rem .9rem;
    border-top: 1px solid var(--linea-cla);
    display: flex; justify-content: space-between; gap: 1rem;
}

.prod__titulo { margin: .4rem 0 .6rem; }

.hoja-datos {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--mono);
    font-size: .78rem;
    margin: 1.6rem 0;
}
.hoja-datos th, .hoja-datos td {
    text-align: left;
    padding: .62rem .2rem;
    border-bottom: 1px solid var(--linea-cla);
    vertical-align: baseline;
}
.hoja-datos th {
    font-weight: 400;
    color: var(--tinta-tenue);
    letter-spacing: .06em;
    text-transform: uppercase;
    font-size: .68rem;
    width: 46%;
}
.hoja-datos td {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.lista-check { list-style: none; margin: 0; padding: 0; }
.lista-check li {
    position: relative;
    padding-left: 1.6rem;
    margin-bottom: .6rem;
    font-size: .95rem;
}
.lista-check li::before {
    content: "";
    position: absolute; left: 0; top: .58em;
    width: .8rem; height: 1.5px;
    background: var(--cinta);
}

.caja-precio {
    border: 1px solid var(--linea-cla);
    border-top: 2px solid transparent;
    background: linear-gradient(var(--hueso), var(--hueso)) padding-box,
                var(--cinta) border-box;
    padding: 1.3rem;
    margin: 1.8rem 0;
}
.caja-precio .precio { font-size: 2.1rem; }

/* --- 14. Servicios ------------------------------------------------------ */
.servicio {
    border-top: 1px solid var(--linea-cla);
    padding: clamp(1.6rem, 3vw, 2.4rem) 0;
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.15fr) auto;
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: start;
    transition: background .3s;
}
.servicio:hover { background: rgba(10,14,17,.025); }
.oscuro .servicio { border-color: var(--linea-osc); }
.oscuro .servicio:hover { background: rgba(244,241,234,.028); }

.servicio__num {
    font-family: var(--mono); font-size: .8rem;
    color: var(--tinta-tenue);
    letter-spacing: .06em;
    padding-top: .35rem;
}
.oscuro .servicio__num { color: var(--claro-tenue); }

.servicio__lema {
    font-family: var(--mono); font-size: .7rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--calor);
    margin-top: .5rem; display: block;
}

.servicio__desde {
    font-family: var(--mono); font-size: .72rem;
    text-align: right; white-space: nowrap;
    color: var(--tinta-suave);
    padding-top: .4rem;
}
.servicio__desde b {
    display: block;
    font-family: var(--display); font-size: 1.3rem;
    letter-spacing: -.03em; color: var(--tinta);
}
.oscuro .servicio__desde { color: var(--claro-suave); }
.oscuro .servicio__desde b { color: var(--hueso); }

/* --- 15. Proceso -------------------------------------------------------- */
.pasos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: 1px;
    background: var(--linea-osc);
    border: 1px solid var(--linea-osc);
}
.paso {
    background: var(--grafito);
    padding: 1.7rem 1.4rem 2rem;
    position: relative;
    transition: background .35s;
}
.paso:hover { background: var(--grafito-2); }
.paso__n {
    font-family: var(--mono); font-size: .7rem;
    letter-spacing: .16em;
    color: var(--claro-tenue);
    display: block; margin-bottom: 2.4rem;
}
.paso h3 { margin-bottom: .55rem; font-size: 1.15rem; }
.paso p { font-size: .88rem; color: var(--claro-suave); }
.paso::before {
    content: "";
    position: absolute; top: 0; left: 0;
    width: 0; height: 2px;
    background: var(--cinta);
    transition: width .45s cubic-bezier(.2,.7,.3,1);
}
.paso:hover::before { width: 100%; }

/* --- 16. Ventajas ------------------------------------------------------- */
.ventaja {
    background: var(--hueso);
    padding: 1.7rem 1.4rem;
    border: 1px solid var(--linea-cla);
    position: relative;
}
.ventaja h3 { font-size: 1.1rem; margin-bottom: .6rem; }
.ventaja p { font-size: .9rem; color: var(--tinta-suave); }
.ventaja__i {
    width: 1.9rem; height: 1.9rem;
    border: 1.5px solid var(--linea-cla-2);
    display: grid; place-items: center;
    margin-bottom: 1.1rem;
    font-family: var(--mono); font-size: .7rem; font-weight: 700;
}

/* --- 17. Opiniones ------------------------------------------------------ */
.opinion {
    border-left: 2px solid transparent;
    border-image: var(--cinta) 1;
    padding-left: 1.3rem;
}
.opinion p {
    font-family: var(--display);
    font-size: clamp(1.05rem, 1rem + .4vw, 1.28rem);
    font-weight: 500;
    line-height: 1.34;
    letter-spacing: -.02em;
    margin-bottom: 1rem;
}
.opinion cite {
    font-style: normal;
    font-family: var(--mono); font-size: .7rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--claro-tenue);
    display: block;
}
.opinion cite b { color: var(--hueso); display: block; letter-spacing: .06em; }

/* --- 18. Acordeón FAQ --------------------------------------------------- */
.faq { border-top: 1px solid var(--linea-cla); }
.faq details {
    border-bottom: 1px solid var(--linea-cla);
}
.faq summary {
    cursor: pointer;
    list-style: none;
    padding: 1.25rem 3rem 1.25rem 0;
    font-family: var(--display);
    font-size: clamp(1.02rem, .98rem + .35vw, 1.24rem);
    font-weight: 600;
    letter-spacing: -.02em;
    position: relative;
    transition: color .25s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--calor); }
.faq summary::after {
    content: "";
    position: absolute; right: .3rem; top: 50%;
    width: .85rem; height: 1.5px;
    background: currentColor;
    translate: 0 -50%;
}
.faq summary::before {
    content: "";
    position: absolute; right: .3rem; top: 50%;
    width: .85rem; height: 1.5px;
    background: currentColor;
    translate: 0 -50%;
    rotate: 90deg;
    transition: rotate .3s cubic-bezier(.2,.7,.3,1), opacity .3s;
}
.faq details[open] summary::before { rotate: 0deg; opacity: 0; }
.faq details p {
    padding: 0 3rem 1.4rem 0;
    color: var(--tinta-suave);
    max-width: 62ch;
    animation: desplegar .35s cubic-bezier(.2,.7,.3,1);
}
@keyframes desplegar {
    from { opacity: 0; translate: 0 -6px; }
}

/* --- 19. Formularios ---------------------------------------------------- */
.form { display: grid; gap: 1.15rem; }

.campos-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1.15rem; }

.campo { display: grid; gap: .45rem; }

.campo > label,
.grupo > legend {
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--tinta-suave);
}
.campo .req { color: var(--calor); }

.campo input[type="text"],
.campo input[type="email"],
.campo input[type="tel"],
.campo input[type="number"],
.campo select,
.campo textarea {
    width: 100%;
    padding: .85rem .95rem;
    background: #fff;
    border: 1px solid var(--linea-cla-2);
    border-radius: var(--radio);
    font-size: .96rem;
    transition: border-color .2s, box-shadow .2s;
    appearance: none;
}
.campo select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%230A0E11' stroke-width='1.6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .95rem center;
    padding-right: 2.4rem;
}
.campo textarea { min-height: 8rem; resize: vertical; }

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
    outline: none;
    border-color: var(--frio-hondo);
    box-shadow: 0 0 0 3px rgba(79,200,232,.2);
}

.campo--error input,
.campo--error select,
.campo--error textarea { border-color: #C0341A; }

.campo__error {
    font-family: var(--mono); font-size: .68rem;
    color: #C0341A; letter-spacing: .04em;
}

.campo__ayuda {
    font-size: .78rem; color: var(--tinta-tenue);
}

/* Selección tipo tarjeta (radios) */
.grupo { border: 0; padding: 0; margin: 0; display: grid; gap: .55rem; }
.opciones { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: .5rem; }
.opcion {
    position: relative;
    border: 1px solid var(--linea-cla-2);
    border-radius: var(--radio);
    padding: .8rem .9rem;
    cursor: pointer;
    background: #fff;
    transition: .22s;
    font-size: .88rem;
}
.opcion input { position: absolute; opacity: 0; pointer-events: none; }
.opcion:hover { border-color: var(--tinta); }
.opcion:has(input:checked) {
    border-color: var(--grafito);
    background: var(--grafito);
    color: var(--hueso);
}
.opcion:has(input:focus-visible) { outline: 2px solid var(--frio); outline-offset: 2px; }
.opcion b { display: block; font-family: var(--display); font-size: 1rem; letter-spacing: -.02em; }
.opcion span { font-family: var(--mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; opacity: .62; }

/* Casilla */
.casilla {
    display: grid; grid-template-columns: auto 1fr; gap: .7rem;
    align-items: start; font-size: .84rem; color: var(--tinta-suave);
    cursor: pointer;
}
.casilla input {
    width: 1.15rem; height: 1.15rem;
    accent-color: var(--calor);
    margin-top: .18rem;
}

/* Trampa antispam */
.trampa { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* Avisos */
.aviso {
    border-left: 3px solid var(--calor);
    background: rgba(232,106,43,.07);
    padding: .95rem 1.1rem;
    font-size: .9rem;
}
.aviso--ok { border-color: #1E8B4E; background: rgba(30,139,78,.08); }
.aviso ul { margin: .4rem 0 0; padding-left: 1.1rem; }

/* --- 20. Mosaico contacto ---------------------------------------------- */
.contacto-rej {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
}

.datos { list-style: none; margin: 0; padding: 0; }
.datos li {
    padding: 1.05rem 0;
    border-bottom: 1px solid var(--linea-osc);
    display: grid; gap: .25rem;
}
.datos dt, .datos .dt {
    font-family: var(--mono); font-size: .66rem;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--claro-tenue);
}
.datos a, .datos .dd {
    text-decoration: none;
    font-family: var(--display);
    font-size: 1.15rem; font-weight: 600; letter-spacing: -.02em;
    color: var(--hueso);
}
.datos a:hover { color: var(--frio); }

/* --- 20b. Rejilla de la página de presupuesto -------------------------- */
.presu-rej {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .75fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
}

/* --- 20c. Texto legal / prosa larga ------------------------------------ */
.env--str h2 {
    font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem);
    margin-top: 2.4rem;
}
.env--str h2:first-of-type { margin-top: 0; }
.env--str h3 {
    font-size: 1.12rem;
    margin-bottom: .5rem;
}
.env--str p,
.env--str li { color: var(--tinta-suave); }
.env--str a { color: var(--tinta); text-underline-offset: .2em; }

code {
    font-family: var(--mono);
    font-size: .86em;
    background: var(--hueso-2);
    border: 1px solid var(--linea-cla);
    padding: .1em .35em;
    border-radius: var(--radio);
}

/* --- 21. Llamada final -------------------------------------------------- */
.cta-final {
    position: relative;
    background: var(--grafito);
    color: var(--claro);
    overflow: hidden;
}
.cta-final__fondo {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: .17;
    filter: grayscale(.4) contrast(1.1);
}
.cta-final__vel {
    position: absolute; inset: 0;
    background: linear-gradient(100deg, var(--grafito) 22%, rgba(10,14,17,.72) 62%, rgba(10,14,17,.4));
}
.cta-final .env { position: relative; z-index: 2; }

/* --- 22. Pie ------------------------------------------------------------ */
.pie {
    background: var(--grafito);
    color: var(--claro-suave);
    border-top: 1px solid var(--linea-osc);
    padding-block: clamp(3rem, 5vw, 4.5rem) 2rem;
    font-size: .88rem;
}
.pie__rej {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    gap: 2.5rem;
    padding-bottom: 2.8rem;
}
.pie h4 {
    font-family: var(--mono); font-size: .68rem;
    font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
    color: var(--claro-tenue);
    margin-bottom: 1.1rem;
}
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.pie a { text-decoration: none; transition: color .2s; }
.pie a:hover { color: var(--hueso); }
.pie__legal {
    border-top: 1px solid var(--linea-osc);
    padding-top: 1.5rem;
    display: flex; flex-wrap: wrap; gap: 1rem 2rem;
    justify-content: space-between;
    font-family: var(--mono); font-size: .68rem;
    letter-spacing: .06em;
    color: var(--claro-tenue);
}
.pie__legal a { text-decoration: none; }

.pie__zonas {
    font-family: var(--mono); font-size: .68rem;
    letter-spacing: .06em; color: var(--claro-tenue);
    line-height: 2;
}

/* --- 23. Barra flotante móvil ------------------------------------------ */
.barra-movil {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    z-index: 90;
    background: rgba(10,14,17,.94);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--linea-osc);
    padding: .6rem;
    gap: .5rem;
}
.barra-movil .btn { flex: 1; justify-content: center; padding: .8rem .5rem; font-size: .68rem; }

/* --- 24. Revelado al hacer scroll -------------------------------------- */
.rev {
    opacity: 0;
    translate: 0 22px;
    transition: opacity .7s cubic-bezier(.2,.7,.3,1), translate .7s cubic-bezier(.2,.7,.3,1);
    transition-delay: var(--ret, 0ms);
}
.rev.visible { opacity: 1; translate: 0 0; }

/* Entrada escalonada de la portada.
   Va dentro de `no-preference` a propósito: si el navegador no ejecuta
   animaciones, el contenido debe verse igualmente, no quedarse en opacity 0. */
@media (prefers-reduced-motion: no-preference) {
    .entra > * {
        animation: subir .85s cubic-bezier(.16,.84,.3,1) both;
    }
    .entra > *:nth-child(1) { animation-delay: .05s; }
    .entra > *:nth-child(2) { animation-delay: .14s; }
    .entra > *:nth-child(3) { animation-delay: .23s; }
    .entra > *:nth-child(4) { animation-delay: .32s; }
    .entra > *:nth-child(5) { animation-delay: .41s; }
}
@keyframes subir {
    from { opacity: 0; translate: 0 26px; }
}

/* --- 25. Adaptación ----------------------------------------------------- */
@media (max-width: 62rem) {
    .portada__rejilla,
    .prod,
    .presu-rej,
    .contacto-rej { grid-template-columns: 1fr; }

    .pie__rej { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .servicio {
        grid-template-columns: 3rem minmax(0, 1fr);
        row-gap: .8rem;
    }
    .servicio__desde { grid-column: 2; text-align: left; }
    .servicio > div:nth-child(3) { grid-column: 2; }
}

@media (max-width: 52rem) {
    .nav__lista,
    .cab__tel { display: none; }
    .hamburguesa { display: block; }

    .nav--abierto {
        position: fixed;
        inset: 4.5rem 0 auto 0;
        background: var(--grafito);
        border-bottom: 1px solid var(--linea-osc);
        padding: 1.5rem var(--canal) 2rem;
    }
    .nav--abierto .nav__lista {
        display: grid; gap: 1.15rem;
        width: 100%;
    }
    .nav--abierto .nav__enlace { font-size: .95rem; }
    .nav--abierto .cab__tel { display: block; margin-top: .5rem; font-size: 1rem; }

    .encabezado-seccion { grid-template-columns: 1fr; }

    .barra-movil { display: flex; }
    body { padding-bottom: 4rem; }

    .cab .btn { display: none; }
    .nav--abierto .btn { display: inline-flex; margin-top: .8rem; }
}

@media (max-width: 34rem) {
    .pie__rej { grid-template-columns: 1fr; gap: 1.8rem; }
    .cifra { border-right: 0; border-bottom: 1px solid var(--linea-osc); padding-bottom: 1.2rem; }
    .dial { grid-template-columns: 1fr; justify-items: start; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
    .rev { opacity: 1; translate: none; }
    /* La cinta de marcas queda congelada: evita que la primera se corte. */
    .marcas__pista { padding-inline-start: var(--canal); }
}

/* --- 26. Impresión ------------------------------------------------------ */
@media print {
    .cab, .pie, .barra-movil, .cta-final, .btn { display: none !important; }
    body { background: #fff; color: #000; }
}