/* ==========================================================================
   PROMOZAR · sistema de diseño v5.1  —  "el expediente del edificio"
   Negro tinta · hormigón · un solo color: rojo sello
   Lato (mayúsculas pesadas) alterna con Merriweather cursiva
   ========================================================================== */

/* ---------- Fuentes (alojadas en el propio sitio) ---------- */
@font-face { font-family: "Lato"; src: url("fonts/lato-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Lato"; src: url("fonts/lato-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Lato"; src: url("fonts/lato-latin-900-normal.woff2") format("woff2"); font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url("fonts/merriweather-latin-300-italic.woff2") format("woff2"); font-weight: 300; font-style: italic; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url("fonts/merriweather-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url("fonts/merriweather-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
    --ink: #0a0a0b;
    --ink-2: #101012;
    --graphite: #151618;
    --graphite-2: #202125;
    --rule: #2d2e33;
    --steel: #a7a9b0;          /* texto secundario sobre oscuro  (8:1) */
    --bone: #f1f0ec;           /* texto principal sobre oscuro */
    --concrete: #cdcec9;       /* hormigón: el gris claro, ahora más profundo */
    --concrete-2: #bcbdb7;
    --paper: #e8e8e4;          /* lectura larga (legales) */
    --slate: #2c2d33;          /* texto secundario sobre claro (9:1) */
    --sello: #e8472e;          /* rojo sello */
    --sello-ink: #932412;      /* el mismo rojo, legible sobre claro (5.3:1 sobre hormigón) */

    --font-sans: "Lato", "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Merriweather", Georgia, "Times New Roman", serif;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --pad: clamp(20px, 4.2vw, 68px);
    --max: 1440px;
    --nav-h: 76px;
    --section: clamp(4.5rem, 8.5vw, 8rem);
    --r-btn: 8px;      /* botones */
    --r-img: 12px;     /* fotos */
    --r-card: 14px;    /* tarjetas */
    --fade-mask: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,.97) 12%, rgba(0,0,0,.9) 24%, rgba(0,0,0,.78) 36%, rgba(0,0,0,.62) 48%, rgba(0,0,0,.45) 60%, rgba(0,0,0,.28) 72%, rgba(0,0,0,.13) 84%, rgba(0,0,0,.04) 93%, rgba(0,0,0,0) 100%);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 12px);
    -webkit-text-size-adjust: 100%;
    scrollbar-width: thin;
    scrollbar-color: #3b3c42 var(--ink);
}
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: #3b3c42; border: 2px solid var(--ink); }
::-webkit-scrollbar-thumb:hover { background: var(--sello); }

body {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    background: var(--ink);
    color: var(--bone);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    caret-color: var(--sello);
    text-rendering: optimizeLegibility;
}
body.menu-locked { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.28em; }
ul { list-style: none; }
button { font: inherit; color: inherit; }

::selection { background: var(--sello); color: var(--ink); }

:focus-visible {
    outline: 2px solid var(--bone);
    outline-offset: 4px;
    box-shadow: 0 0 0 6px var(--sello);
}
.on-light :focus-visible, .light :focus-visible {
    outline-color: var(--ink);
}

.visually-hidden {
    position: absolute !important; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
    position: fixed; left: 1rem; top: -4rem; z-index: 300;
    background: var(--sello); color: var(--ink); padding: .8rem 1.2rem;
    font-weight: 700; text-decoration: none; transition: top .3s var(--ease);
}
.skip-link:focus { top: 1rem; }

.container {
    width: 100%;
    max-width: var(--max);
    margin-inline: auto;
    padding-inline: var(--pad);
}

/* ---------- Voz tipográfica: mayúsculas pesadas / cursiva ligera ---------- */
.caps, .display .caps {
    font-family: var(--font-sans);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    word-spacing: 0.08em;
}
.it, .display em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 300;
    text-transform: lowercase;
    letter-spacing: -0.015em;
    word-spacing: 0;
    font-size: 1.1em;
}
.display {
    font-family: var(--font-sans);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    word-spacing: 0.08em;
    line-height: 1.06;
    text-wrap: balance;
}
.display em { line-height: 1; }
.display em.keep-case { text-transform: none; }

/* Barras del logotipo: marcador y pestaña de índice */
.bars { display: inline-flex; align-items: flex-end; gap: 4px; height: 34px; }
.bars i { display: block; width: 6px; background: var(--sello); }
.bars i:nth-child(1) { height: 60%; }
.bars i:nth-child(2) { height: 100%; }
.bars i:nth-child(3) { height: 38%; }

/* ---------- Botones ---------- */
.btn {
    display: inline-flex; align-items: center; gap: .8rem;
    font-family: var(--font-sans); font-weight: 700; font-size: .8125rem; line-height: 1;
    letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
    padding: 1.1rem 1.7rem; border: 1.5px solid transparent; border-radius: var(--r-btn); position: relative; overflow: hidden; isolation: isolate;
    cursor: pointer; white-space: nowrap;
    transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }
.btn-ico { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; transition: transform .5s var(--ease); }
.btn:hover .btn-ico { transform: translateX(5px); }
.btn-solid { background: linear-gradient(135deg, #f05a3f 0%, #e8472e 60%, #dc4128 100%); color: var(--ink); box-shadow: 0 8px 22px rgba(232, 71, 46, .3); }
.btn-solid::after {
    content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; z-index: -1;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent);
    transform: skewX(-20deg); transition: left .7s var(--ease);
}
.btn-solid:hover { background: linear-gradient(135deg, #f4694e 0%, #ee4f35 55%, #d93d25 100%); box-shadow: 0 16px 36px rgba(232, 71, 46, .45); }
.btn-solid:hover::after { left: 120%; }
.btn-ghost { border-color: rgba(241, 240, 236, .6); color: var(--bone); }
.btn-ghost:hover { background: var(--bone); border-color: var(--bone); color: var(--ink); box-shadow: 0 14px 34px rgba(0, 0, 0, .35); }
.btn-ink { background: var(--ink); color: var(--bone); }
.btn-ink:hover { background: var(--bone); color: var(--ink); box-shadow: 0 14px 30px rgba(10, 10, 11, .3); }
.btn-sm { padding: .85rem 1.15rem; font-size: .75rem; }

/* ---------- Navegación ---------- */
#nav {
    position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h);
    border-bottom: 1px solid transparent;
    transition: background-color .5s var(--ease), border-color .5s var(--ease);
}
#nav.scrolled, #nav.menu-open { background: rgba(10, 10, 11, .95); border-color: var(--rule); }
.navbar-container {
    height: 100%; max-width: var(--max); margin: 0 auto; padding-inline: var(--pad);
    display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.logo { display: block; flex-shrink: 0; }
.logo img { height: 32px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.5rem); }
.nav-menu a {
    position: relative; display: inline-block; padding: .55rem 0;
    font-size: .8125rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
}
.nav-menu a:not(.btn)::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: var(--sello);
    transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.nav-menu a:not(.btn):hover::after, .nav-menu a[aria-current="page"]::after { transform: scaleX(1); }
.nav-menu .btn { padding: .85rem 1.2rem; font-size: .75rem; }

.hamburger {
    display: none; width: 48px; height: 48px; background: none; border: 0; cursor: pointer;
    position: relative; margin-right: -10px;
}
.hamburger span {
    position: absolute; left: 12px; right: 12px; height: 2px; background: var(--bone);
    transition: transform .5s var(--ease), top .5s var(--ease);
}
.hamburger span:nth-child(1) { top: 19px; }
.hamburger span:nth-child(2) { top: 27px; }
#nav.menu-open .hamburger span:nth-child(1) { top: 23px; transform: rotate(45deg); }
#nav.menu-open .hamburger span:nth-child(2) { top: 23px; transform: rotate(-45deg); }

/* ---------- Revelados (una familia de movimiento, tres gestos) ---------- */
.js .reveal {
    opacity: 0; transform: translateY(26px);
    transition: opacity 1s var(--ease), transform 1.1s var(--ease);
    transition-delay: var(--d, 0s);
}
.js .reveal.visible { opacity: 1; transform: none; }
.js .reveal-img { overflow: hidden; }
.js .reveal-img > img, .js .reveal-img > picture > img { transform: scale(1.18); transition: transform 1.8s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal-img { clip-path: inset(0 0 100% 0); transition: clip-path 1.3s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal-img.visible { clip-path: inset(0 0 0 0); }
.js .reveal-img.visible > img, .js .reveal-img.visible > picture > img { transform: scale(1); }
.js .reveal-rule { transform: scaleX(0); transform-origin: left; transition: transform 1.4s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal-rule.visible { transform: scaleX(1); }
.d1 { --d: .12s; } .d2 { --d: .24s; } .d3 { --d: .36s; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
    position: relative; isolation: isolate; overflow: hidden;
    min-height: 100vh; min-height: 100svh;
    display: flex; align-items: flex-end; background: var(--ink);
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img {
    width: 100%; height: 100%; object-fit: cover; object-position: 62% 40%;
    animation: heroZoom 3.2s var(--ease) both;
    will-change: transform;
}
.hero::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background:
        linear-gradient(180deg, rgba(10,10,11,.78) 0%, rgba(10,10,11,.18) 36%, rgba(10,10,11,.72) 78%, rgba(10,10,11,1) 100%),
        linear-gradient(90deg, rgba(10,10,11,.72) 0%, rgba(10,10,11,0) 68%);
}
.hero::after {
    content: ""; position: absolute; z-index: -1; left: -14%; bottom: -34%; width: 72vw; height: 72vw; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(232, 71, 46, .24) 0%, rgba(232, 71, 46, 0) 60%);
}
.hero-content {
    width: 100%; max-width: var(--max); margin: 0 auto;
    padding: calc(var(--nav-h) + 3rem) var(--pad) clamp(2rem, 5vw, 4.5rem);
    display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 2.5rem;
}
.hero-title {
    font-size: clamp(2rem, .5rem + 4.9vw, 4.5rem);
    line-height: 1.02;
}
.hero-title .ln { display: block; overflow: hidden; padding-block: .08em .26em; margin-block: -.08em -.26em; }
.hero-title .ln-in { display: block; transform: translateY(110%); animation: lineUp 1.2s var(--ease) forwards; animation-delay: calc(.3s + var(--i) * .13s); }
.hero-title .ln-2, .hero-title .ln-4 { padding-left: clamp(0px, 5.5vw, 5.5rem); }
.hero-title .it { font-size: 1.1em; line-height: 1; }
.hero-title .ln-4 .ln-in { color: var(--sello); }
.hero-actions {
    display: flex; flex-wrap: wrap; gap: 1rem; margin-top: clamp(1.8rem, 3.5vw, 2.8rem);
    opacity: 0; animation: fadeUp 1s var(--ease) 1.15s forwards;
}
.hero-services {
    min-width: min(270px, 24vw); border-top: 1px solid rgba(241, 240, 236, .28);
    align-self: end; margin-bottom: .4rem;
}
.hero-services li {
    display: flex; align-items: center; gap: 1.1rem; padding: 1rem 0;
    border-bottom: 1px solid rgba(241, 240, 236, .28);
    font-size: .8125rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    opacity: 0; transform: translateX(18px); animation: slideIn 1s var(--ease) forwards;
    animation-delay: calc(.9s + var(--i) * .1s);
}
.hero-services li::before { content: ""; width: 6px; height: calc(var(--h) * 1px); background: var(--sello); flex-shrink: 0; }
.hero-services li:nth-child(1) { --h: 14; }
.hero-services li:nth-child(2) { --h: 26; }
.hero-services li:nth-child(3) { --h: 18; }
.hero-services li:nth-child(4) { --h: 32; }

@keyframes heroZoom { from { transform: scale(1.14); } to { transform: scale(1.02); } }
@keyframes lineUp { to { transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { to { opacity: 1; transform: none; } }

/* ==========================================================================
   SECCIONES — andamiaje común
   ========================================================================== */
.section { padding-block: var(--section); position: relative; }
.light { background: var(--concrete); color: var(--ink); }
.light p { color: var(--slate); }

/* Etiqueta de lomo: el h2 de cada sección, vertical, pegado al margen */
.spine {
    display: flex; align-items: center; gap: 1rem;
    writing-mode: vertical-rl; transform: rotate(180deg);
    font-family: var(--font-sans); font-weight: 700; font-size: .8125rem; line-height: 1;
    letter-spacing: .22em; text-transform: uppercase; white-space: nowrap; color: var(--steel);
    position: sticky; top: calc(var(--nav-h) + 2.2rem); align-self: start;
}
.spine::after { content: ""; width: 2px; height: 42px; background: var(--sello); }
.light .spine { color: var(--slate); }
.light .spine::after { background: var(--sello-ink); }

[data-parallax] { scale: 1.12; }

/* ---------- Transiciones suaves entre secciones y halos de color ---------- */
.fade { position: relative; }
.fade::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: calc(var(--section) * 1.6);
    background: var(--from, var(--ink)); pointer-events: none; z-index: 0;
    -webkit-mask-image: var(--fade-mask); mask-image: var(--fade-mask);
}
.from-ink { --from: var(--ink); } .from-concrete { --from: var(--concrete); }
.from-graphite { --from: var(--graphite); } .from-sello { --from: #d63f27; }
.fade > .container, .fade > .clients-carousel, .glow > .container { position: relative; z-index: 1; }
.footer.fade::before, footer.fade::before { height: calc(var(--section) * 1.05); }
.glow { position: relative; overflow: clip; }
.glow::after {
    content: ""; position: absolute; width: 760px; height: 760px; border-radius: 50%; pointer-events: none; z-index: 0;
    background: radial-gradient(circle, rgba(232, 71, 46, .17) 0%, rgba(232, 71, 46, 0) 62%);
}
.glow-r::after { right: -300px; top: 50%; transform: translateY(-50%); }
.glow-l::after { left: -320px; top: 50%; transform: translateY(-50%); }

/* ---------- Esquinas suaves ---------- */
.reveal-img, .about-photo, .portfolio-frame, .maintenance-image, .mant-photo { border-radius: var(--r-img); overflow: hidden; }
.testimonial-card, .fireblue-badge, .maintenance-logos, .cookie-banner { border-radius: var(--r-card); }
.cookie-actions button, .skip-link { border-radius: var(--r-btn); }

/* ---------- Sobre nosotros ---------- */
.about-grid {
    display: grid; grid-template-columns: 28px minmax(0, 6.2fr) minmax(0, 5fr);
    column-gap: clamp(1.5rem, 4vw, 4.5rem); align-items: start;
}
.about-statement { font-size: clamp(1.8rem, 1rem + 2.7vw, 3.2rem); margin-bottom: clamp(2rem, 4vw, 3.4rem); }
.about-text .lede {
    font-family: var(--font-serif); font-weight: 400; font-size: clamp(1.1rem, 1rem + .5vw, 1.35rem);
    line-height: 1.7; color: var(--bone); max-width: 42ch; margin-bottom: 1.8rem;
}
.about-text p { max-width: 62ch; color: var(--steel); margin-bottom: 1.15rem; }
.about-photo {
    position: relative; margin-top: clamp(0px, 7vw, 7rem);
    aspect-ratio: 4 / 5;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 38% 50%; }
.about-photo::after { /* sello: pestaña de barras sobre la foto */
    content: ""; position: absolute; left: 0; top: 28px; width: 5px; height: 64px; background: var(--sello);
}

/* ---------- Proceso (hormigón) ---------- */
.phases .head { margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.section-title { font-size: clamp(1.8rem, 1rem + 2.6vw, 3rem); }
.phases-list { border-bottom: 1.5px solid var(--ink); }
.phase {
    position: relative; display: grid; align-items: start;
    grid-template-columns: minmax(72px, .55fr) minmax(0, 2.2fr) minmax(0, 3fr);
    column-gap: clamp(1.2rem, 3vw, 3rem);
    padding: clamp(1.4rem, 2.4vw, 2.1rem) clamp(0px, 1vw, 1rem);
    border-top: 1.5px solid var(--ink);
    transition: background-color .6s var(--ease), color .6s var(--ease);
}
.phase-number {
    font-family: var(--font-serif); font-style: italic; font-weight: 300;
    font-size: clamp(2.3rem, 1rem + 3.2vw, 3.8rem); line-height: .8; color: var(--sello-ink);
    font-variant-numeric: lining-nums; transition: color .6s var(--ease);
}
.phase h3 { font-size: clamp(1.45rem, .8rem + 2.3vw, 2.5rem); padding-top: .15em; }
.phase h3 em { font-size: 1.1em; }
.phase-list { padding-top: .5rem; }
.phase-list li {
    padding: .8rem 0; border-bottom: 1px solid rgba(10, 10, 11, .22);
    color: var(--slate); transition: border-color .6s var(--ease), color .6s var(--ease);
}
.phase-list li:first-child { padding-top: 0; }
.phase-list li:last-child { border-bottom: 0; }
@media (hover: hover) {
    .phase:hover { background: var(--ink); color: var(--bone); }
    .phase:hover .phase-number { color: var(--sello); }
    .phase:hover .phase-list li { color: #cfd0d6; border-color: rgba(241, 240, 236, .2); }
}

/* ---------- Trabajos ---------- */
.portfolio .head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.portfolio-grid {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.8rem, 3.2vw, 2.6rem) clamp(1rem, 2vw, 1.6rem);
}
.portfolio-frame { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--graphite); }
.portfolio-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease), filter .8s var(--ease); }
.portfolio-overlay { display: flex; align-items: center; gap: 1rem; padding-top: 1.1rem; }
.portfolio-overlay::before {
    content: ""; flex: none; width: 5px; height: 18px; background: var(--sello);
    transition: height .6s var(--ease);
}
.portfolio-overlay h3 {
    font-family: var(--font-serif); font-style: italic; font-weight: 300;
    font-size: clamp(1.05rem, .95rem + .35vw, 1.2rem); letter-spacing: 0; line-height: 1.25;
}
.portfolio-frame::after {
    content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
    background: linear-gradient(to top, rgba(10, 10, 11, .62) 0%, rgba(10, 10, 11, 0) 55%);
    transition: opacity .6s var(--ease);
}
@media (hover: hover) {
    .portfolio-item:hover .portfolio-frame img { transform: scale(1.045); filter: brightness(1.06); }
    .portfolio-item:hover .portfolio-overlay::before { height: 30px; }
    .portfolio-item:hover .portfolio-frame::after { opacity: 1; }
}

/* ---------- Clientes (marquesina sobre hormigón) ---------- */
.clients { padding-block: clamp(4.5rem, 8vw, 7.5rem); overflow: hidden; }
.clients .head { margin-bottom: clamp(2.4rem, 5vw, 4rem); }
.clients-carousel { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.carousel-track { display: flex; width: max-content; animation: marquee 60s linear infinite; }
.clients-carousel:hover .carousel-track { animation-play-state: paused; }
.client-logo { flex: 0 0 auto; width: clamp(180px, 16vw, 250px); padding-inline: clamp(14px, 1.8vw, 28px); }
.client-logo img { width: 100%; opacity: .62; transition: opacity .35s var(--ease), transform .5s var(--ease); }
.client-logo:hover img { opacity: 1; transform: scale(1.05); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Testimonios ---------- */
.testimonials { background: var(--graphite); }
.testimonials .head { margin-bottom: clamp(2.2rem, 4vw, 3.4rem); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.testimonial-card {
    position: relative; display: flex; flex-direction: column; overflow: hidden;
    padding: clamp(1.6rem, 2.4vw, 2.1rem);
    background: rgba(241, 240, 236, .045); border: 1px solid rgba(241, 240, 236, .1);
}
.testimonial-card::before {
    content: ""; position: absolute; top: 0; left: 1.8rem; right: 1.8rem; height: 2px; background: var(--sello);
    transform: scaleX(.18); transform-origin: left; transition: transform .7s var(--ease);
}
@media (hover: hover) {
    .testimonial-card:hover { background: rgba(241, 240, 236, .075); border-color: rgba(232, 71, 46, .5); }
    .testimonial-card:hover::before { transform: scaleX(1); }
}
.testimonial-text {
    font-family: var(--font-serif); font-style: italic; font-weight: 300;
    font-size: 1rem; line-height: 1.8; color: rgba(241, 240, 236, .92); margin-bottom: 1.6rem; flex: 1;
}
.testimonial-author { display: flex; align-items: center; gap: .9rem; padding-top: 1.2rem; border-top: 1px solid rgba(241, 240, 236, .1); }
.testimonial-avatar { width: 44px; height: 44px; flex: none; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 2px rgba(232, 71, 46, .75); }
.testimonial-info h4 { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; line-height: 1.3; }
.testimonial-info p { font-size: .85rem; color: var(--steel); line-height: 1.4; }

/* ---------- Mantenimientos (inmersión en rojo sello) ---------- */
.maintenance, .mant-contact {
    background:
        radial-gradient(900px circle at 88% 0%, rgba(255, 160, 120, .38), rgba(255, 160, 120, 0) 62%),
        linear-gradient(180deg, #f05a3f 0%, #e8472e 45%, #d63f27 100%);
}
.maintenance { color: var(--ink); overflow: hidden; }
.maintenance .section-title { margin-bottom: clamp(1.8rem, 3.6vw, 3rem); }
.maintenance-content { display: grid; grid-template-columns: minmax(0, 5.4fr) minmax(0, 6fr); column-gap: clamp(2rem, 5vw, 6rem); align-items: start; }
.maintenance-text p { max-width: 54ch; margin-bottom: 1.2rem; color: var(--ink); font-size: 1.0625rem; line-height: 1.7; }
.maintenance-text p strong { font-weight: 900; }
.maintenance-logos { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.4rem; margin: 2.2rem 0 2.6rem; padding: 1.1rem 1.3rem; background: var(--ink); width: fit-content; }
.maintenance-logos img { height: 58px; width: auto; }
.maintenance-image { aspect-ratio: 5 / 4; position: relative; margin-top: clamp(0px, 3vw, 3rem); }
.maintenance-image img { width: 100%; height: 100%; object-fit: cover; }
.maintenance :focus-visible { outline-color: var(--ink); box-shadow: 0 0 0 6px var(--bone); }

/* ==========================================================================
   PIE · contacto
   ========================================================================== */
footer { background: var(--ink); padding-top: clamp(3.5rem, 6vw, 5.5rem); }
.footer-cta { padding-bottom: clamp(2.2rem, 4vw, 3.2rem); border-bottom: 1px solid var(--rule); }
.footer-mail {
    display: block; width: fit-content; max-width: 100%;
    font-family: var(--font-serif); font-style: italic; font-weight: 300;
    font-size: clamp(1.45rem, .8rem + 2.4vw, 2.4rem); line-height: 1.15; letter-spacing: -.01em;
    text-decoration: none; overflow-wrap: anywhere;
    background-image: linear-gradient(var(--sello), var(--sello)); background-repeat: no-repeat;
    background-size: 100% 2px; background-position: 0 100%; padding-bottom: .15em;
    transition: background-size .7s var(--ease), color .5s var(--ease);
}
.footer-mail:hover { background-size: 100% 100%; color: var(--ink); }
.footer-phone {
    display: inline-block; margin-top: clamp(.8rem, 1.4vw, 1.1rem);
    font-weight: 900; letter-spacing: -.02em; font-variant-numeric: tabular-nums;
    font-size: clamp(1.2rem, .9rem + 1.1vw, 1.7rem); text-decoration: none; color: var(--bone);
    transition: color .4s var(--ease);
}
.footer-phone:hover { color: var(--sello); }
.footer-content { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: clamp(2rem, 4vw, 4rem); padding-block: clamp(3rem, 6vw, 5rem); }
.footer-brand .footer-logo img { height: 40px; width: auto; margin-bottom: 1.4rem; }
.footer-brand p { color: var(--steel); max-width: 30ch; }
.footer-section h3 { font-size: .8125rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 1.2rem; color: var(--bone); display: flex; align-items: center; gap: .8rem; }
.footer-section h3::before { content: ""; width: 6px; height: 16px; background: var(--sello); }
.footer-section p { color: var(--steel); margin-bottom: 1rem; font-size: 1rem; }
.footer-section p strong { color: var(--bone); font-weight: 700; }
.footer-section > a { display: block; color: var(--steel); text-decoration: none; padding: .35rem 0; transition: color .3s var(--ease), transform .5s var(--ease); width: fit-content; }
.footer-section > a:hover { color: var(--bone); transform: translateX(5px); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; padding-block: 1.6rem 2rem; border-top: 1px solid var(--rule); color: var(--steel); font-size: .9rem; }
.to-top { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: .75rem; color: var(--bone); }
.to-top svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; transition: transform .5s var(--ease); }
.to-top:hover svg { transform: translateY(-4px); }

/* ---------- Cookies ---------- */
.cookie-banner {
    position: fixed; left: clamp(12px, 2vw, 28px); bottom: clamp(12px, 2vw, 28px); z-index: 200;
    width: min(440px, calc(100vw - 24px)); padding: 1.3rem 1.4rem 1.2rem;
    background: var(--graphite-2); border: 1px solid var(--rule); border-top: 3px solid var(--sello);
    box-shadow: 0 18px 40px -12px rgba(0, 0, 0, .7), 0 4px 10px rgba(0, 0, 0, .4);
    transform: translateY(24px); opacity: 0; visibility: hidden;
    transition: transform .8s var(--ease), opacity .6s var(--ease), visibility 0s .8s;
}
.cookie-banner.show { transform: none; opacity: 1; visibility: visible; transition-delay: 0s; }
.cookie-banner p { font-size: .92rem; line-height: 1.55; color: var(--bone); }
.cookie-banner p a { color: var(--bone); font-weight: 700; }
.cookie-actions { display: flex; gap: .7rem; margin-top: 1rem; }
.cookie-actions button { flex: 1; padding: .8rem 1rem; border: 1.5px solid rgba(241, 240, 236, .55); background: none; color: var(--bone); cursor: pointer; font-weight: 700; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; transition: background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease); }
.cookie-actions button:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.cookie-actions .cookie-accept { background: var(--sello); border-color: var(--sello); color: var(--ink); }
.cookie-actions .cookie-accept:hover { background: var(--bone); border-color: var(--bone); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1100px) {
    .about-grid { grid-template-columns: 28px minmax(0, 1fr); }
    .about-photo { grid-column: 2; margin-top: 3rem; aspect-ratio: 16 / 11; }
    .phase { grid-template-columns: minmax(80px, .6fr) minmax(0, 2fr); }
    .phase-list { grid-column: 2; padding-top: 1.4rem; }
    .maintenance-content { grid-template-columns: 1fr; }
    .maintenance-image { margin-top: 2.5rem; }
    .footer-content { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
    .portfolio-grid, .testimonials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hamburger { display: block; }
    .nav-menu {
        position: fixed; inset: var(--nav-h) 0 0 0; background: var(--ink);
        flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0;
        padding: 1.4rem var(--pad) 3rem; overflow-y: auto;
        clip-path: inset(0 0 100% 0); visibility: hidden;
        transition: clip-path .8s var(--ease), visibility 0s .8s;
    }
    .nav-menu.active { clip-path: inset(0 0 0 0); visibility: visible; transition-delay: 0s; }
    .nav-menu li { border-bottom: 1px solid var(--rule); }
    .nav-menu a:not(.btn) {
        display: block; padding: 1.05rem 0; text-transform: uppercase;
        font-size: clamp(1.55rem, 6.8vw, 2.3rem); font-weight: 900; letter-spacing: -.01em; line-height: 1.1;
    }
    .nav-menu li:nth-child(even) a:not(.btn) { font-family: var(--font-serif); font-style: italic; font-weight: 300; text-transform: lowercase; font-size: clamp(1.65rem, 7.2vw, 2.45rem); letter-spacing: -.01em; }
    .nav-menu a:not(.btn)::after { display: none; }
    .nav-menu .nav-cta-item { border: 0; margin-top: 2rem; }
    .nav-menu .btn { width: 100%; justify-content: center; padding: 1.2rem; font-size: .85rem; }
}

@media (max-width: 820px) {
    .hero-title { font-size: clamp(1.7rem, calc((100vw - 2 * var(--pad) - 1.4rem) / 8.9), 4.5rem); }
    .hero-content { grid-template-columns: 1fr; gap: 2.2rem; padding-top: calc(var(--nav-h) + 2rem); }
    .hero-services { min-width: 0; display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; border-top: 0; margin: 0; }
    .hero-services li { border-bottom: 0; padding: 0; font-size: .72rem; gap: .7rem; }
    .hero-title .ln-2, .hero-title .ln-4 { padding-left: 1.4rem; }
    .hero-media img { object-position: 72% 40%; }
    .about-grid { grid-template-columns: 1fr; }
    .spine { writing-mode: horizontal-tb; transform: none; position: static; margin-bottom: 1.6rem; letter-spacing: .2em; }
    .spine::after { width: 42px; height: 2px; order: -1; }
    .about-photo { grid-column: 1; }
    .phase { grid-template-columns: minmax(64px, auto) minmax(0, 1fr); }
    .phase h3 { font-size: clamp(1.9rem, 9vw, 3rem); }
    .footer-content { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .portfolio-grid, .testimonials-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
    :root { --nav-h: 66px; }
    .logo img { height: 26px; }
    .btn { padding: 1rem 1.3rem; }
    .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn:hover, .btn:active { transform: none; }
    *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
    .hero-title .ln-in, .hero-actions, .hero-services li { opacity: 1 !important; transform: none !important; }
    .js .reveal, .js .reveal-img, .js .reveal-rule, .js .reveal-img > img, .js .reveal-img > picture > img { opacity: 1 !important; transform: none !important; clip-path: none !important; }
    .carousel-track { width: auto; flex-wrap: wrap; justify-content: center; }
    .carousel-track [aria-hidden="true"] { display: none; }
    .clients-carousel { -webkit-mask-image: none; mask-image: none; }
}