/**
 * MOLBER Solutions · Estilos del sitio
 * Paleta medida del logo (2026-10-02) · Barlow + IBM Plex Mono
 * @author Pyrukent · 2026-10-02
 */

/* === FUENTES (alojadas en el sitio) === */
@font-face { font-family: 'Barlow'; font-weight: 400; font-style: normal; font-display: swap;
    src: url('../fonts/barlow-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 600; font-style: normal; font-display: swap;
    src: url('../fonts/barlow-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Barlow Semi Condensed'; font-weight: 600; font-style: normal; font-display: swap;
    src: url('../fonts/barlow-semi-condensed-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Barlow Semi Condensed'; font-weight: 700; font-style: normal; font-display: swap;
    src: url('../fonts/barlow-semi-condensed-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 500; font-style: normal; font-display: swap;
    src: url('../fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2'); }

/* === VARIABLES === */
:root {
    /* Marca (logo) */
    --navy: #002744;
    --navy-900: #001a2e;
    --navy-700: #0b3a5e;
    --teal: #01686F;
    --teal-300: #4fa3a8;
    --terracota: #C9512C;          /* gráficos, franjas, títulos grandes */
    --terracota-text: #AF5231;     /* botones y texto chico sobre blanco (AA) */
    --terracota-text-dark: #8f3f23;
    --terracota-light: #E8835F;    /* texto sobre azul marino (AA) */

    /* Grises "acero" (tono azulado) */
    --steel-50: #f5f7f9;
    --steel-100: #e9edf1;
    --steel-200: #d3dae1;
    --steel-400: #8a97a5;
    --steel-600: #4c5a69;
    --steel-800: #1f2b37;

    --bg: #ffffff;
    --text: var(--steel-800);
    --text-muted: var(--steel-600);
    --border: var(--steel-200);

    --font-body: 'Barlow', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-heading: 'Barlow Semi Condensed', 'Barlow', system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

    --container: 1200px;
    --gutter: clamp(1rem, 4vw, 2rem);
    --radius: 4px;
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    --header-h: 4.25rem;
}

/* === BASE === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--header-h); }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.6;
    overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--teal); }
h1, h2, h3, h4 {
    margin: 0 0 0.5em;
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: var(--navy);
    text-wrap: balance;
}
h1 { font-size: clamp(2.25rem, 5.5vw, 4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.375rem; }
p { margin: 0 0 1em; }
.mono { font-family: var(--font-mono); font-weight: 500; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container > * { min-width: 0; }

.visually-hidden {
    position: absolute !important; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link { position: absolute; left: 1rem; top: -3rem; z-index: 100; padding: 0.5rem 1rem;
    background: var(--navy); color: #fff; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--terracota); outline-offset: 2px; }

/* === BOTONES === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    min-height: 3rem; padding: 0.75rem 1.5rem;
    border: 2px solid transparent; border-radius: var(--radius); background: transparent;
    font-family: var(--font-heading); font-weight: 600; font-size: 1.0625rem;
    letter-spacing: 0.02em; text-decoration: none; cursor: pointer;
    transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
                border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--terracota-text); color: #fff; }
.btn--primary:hover { background: var(--terracota-text-dark); }
.btn--ghost { border-color: currentColor; color: var(--navy); }
.btn--ghost:hover { background: var(--navy); border-color: var(--navy); color: #fff; }

/* === ENCABEZADO === */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: saturate(1.4) blur(10px);
    border-bottom: 1px solid var(--border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); }

.brand { display: inline-flex; margin: 0; }
.brand img { width: auto; height: 2.5rem; }
.brand--footer img { height: 3rem; }

.site-nav ul { list-style: none; margin: 0; padding: 0; }
.site-nav a:not(.btn) {
    position: relative; color: var(--navy); text-decoration: none;
    font-family: var(--font-heading); font-weight: 600; letter-spacing: 0.02em;
}
.site-nav a:not(.btn)::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -0.35rem; height: 2px;
    background: var(--terracota); transform: scaleX(0); transform-origin: left;
    transition: transform 0.25s var(--ease);
}
.site-nav a:not(.btn):hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

.nav-toggle { display: none; }

@media (min-width: 1100px) {
    .site-nav { display: flex; align-items: center; gap: 2rem; }
    .site-nav ul { display: flex; gap: 1.75rem; }
}

@media (max-width: 1099.98px) {
    .nav-toggle {
        display: inline-flex; align-items: center; justify-content: center;
        width: 3rem; height: 3rem; margin-right: -0.5rem;
        background: none; border: 0; cursor: pointer;
    }
    .nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
        display: block; width: 1.5rem; height: 2px; background: var(--navy);
        transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
    }
    .nav-toggle__bar { position: relative; }
    .nav-toggle__bar::before, .nav-toggle__bar::after { content: ''; position: absolute; left: 0; }
    .nav-toggle__bar::before { top: -7px; }
    .nav-toggle__bar::after { top: 7px; }
    .nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
    .nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(7px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-7px) rotate(-45deg); }

    .site-nav {
        position: absolute; left: 0; right: 0; top: 100%;
        display: grid; gap: 1.5rem; padding: 1.5rem var(--gutter) 2rem;
        background: #fff; border-bottom: 1px solid var(--border);
        visibility: hidden; opacity: 0; transform: translateY(-0.5rem);
        transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
    }
    .site-nav.is-open { visibility: visible; opacity: 1; transform: none; }
    .site-nav ul { display: grid; gap: 1.1rem; font-size: 1.25rem; }
}

.site-header { transition: box-shadow 0.25s var(--ease); }
.site-header.is-scrolled { box-shadow: 0 6px 24px -12px rgba(0, 39, 68, 0.35); }
.btn--ghost-light { border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn--ghost-light:hover { background: #fff; border-color: #fff; color: var(--navy); }
.btn--primary { box-shadow: 0 8px 20px -10px rgba(175, 82, 49, 0.8); }
.btn--primary:hover { transform: translateY(-2px); }

/* === TEXTOS COMUNES === */
.eyebrow {
    font-family: var(--font-mono); font-weight: 500; font-size: 0.8125rem;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--terracota-light);
}
.eyebrow--dark { color: var(--terracota-text); }
.lead { max-width: 60ch; font-size: 1.1875rem; }
.source { font-size: 0.875rem; color: var(--text-muted); }
.source--light { color: var(--steel-400); }
.accent { color: var(--terracota-light); }

/* === PORTADA === */
.hero {
    position: relative; overflow: hidden;
    padding-block: clamp(3.5rem, 9vw, 7rem);
    background-color: var(--navy);
    background-image:
        radial-gradient(ellipse at 75% 40%, rgba(1, 104, 111, 0.35), transparent 60%),
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: auto, 32px 32px, 32px 32px;
    color: var(--steel-200);
}
.hero h1 { color: #fff; max-width: 15ch; }
.hero .lead strong { color: #fff; }
.hero--compact { padding-block: clamp(3rem, 8vw, 5rem); }
.hero--compact h1 { max-width: 20ch; }
.hero__grid { display: grid; gap: 3rem; align-items: center; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 2rem 0 0; padding: 0; list-style: none;
    font-size: 0.8125rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--steel-400); }
.hero__facts li::before { content: '▸ '; color: var(--terracota); }
.hero__visual { margin: 0; }
@media (min-width: 960px) { .hero__grid { grid-template-columns: 1.05fr 1fr; } }

/* Animación del prensado */
.press { width: 100%; overflow: visible; }
.press__steps { display: flex; justify-content: center; gap: 1.75rem; margin: 1rem 0 0; padding: 0; list-style: none;
    font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.06em; color: #fff; }
.press__steps span { color: var(--terracota-light); }
.press__bar, .press__sleeve, .press__jaw, .press__marks, .press__ok { transform-box: fill-box; }
.press__jaw--t { transform: translateY(-20px); }
.press__jaw--b { transform: translateY(20px); }

@media (prefers-reduced-motion: no-preference) {
    .press { animation: press-fade 8s infinite; }
    .press__bar--l { animation: bar-l 8s var(--ease) infinite; }
    .press__bar--r { animation: bar-r 8s var(--ease) infinite; }
    .press__sleeve { animation: sleeve 8s var(--ease) infinite; }
    .press__jaw--t { animation: jaw-t 8s var(--ease) infinite; }
    .press__jaw--b { animation: jaw-b 8s var(--ease) infinite; }
    .press__marks { animation: marks 8s infinite; }
    .press__ok { animation: ok 8s var(--ease) infinite; }
    .press__steps .s1 { animation: s1 8s infinite; }
    .press__steps .s2 { animation: s2 8s infinite; }
    .press__steps .s3 { animation: s3 8s infinite; }
}
@keyframes press-fade { 0% { opacity: 0; } 4%, 95% { opacity: 1; } 100% { opacity: 0; } }
@keyframes bar-l { 0%, 3% { transform: translateX(-46px); } 16%, 100% { transform: none; } }
@keyframes bar-r { 0%, 3% { transform: translateX(46px); } 16%, 100% { transform: none; } }
@keyframes sleeve { 0%, 18% { transform: translateX(240px); opacity: 0; } 23% { opacity: 1; } 38%, 100% { transform: none; opacity: 1; } }
@keyframes jaw-t { 0%, 40% { transform: translateY(-20px); } 50%, 60% { transform: translateY(30px); } 70%, 100% { transform: translateY(-20px); } }
@keyframes jaw-b { 0%, 40% { transform: translateY(20px); } 50%, 60% { transform: translateY(-30px); } 70%, 100% { transform: translateY(20px); } }
@keyframes marks { 0%, 51% { opacity: 0; } 57%, 100% { opacity: 1; } }
@keyframes ok { 0%, 70% { opacity: 0; transform: translateY(8px); } 77%, 100% { opacity: 1; transform: none; } }
@keyframes s1 { 0%, 17% { opacity: 1; } 19%, 100% { opacity: 0.35; } }
@keyframes s2 { 0%, 17% { opacity: 0.35; } 19%, 39% { opacity: 1; } 41%, 100% { opacity: 0.35; } }
@keyframes s3 { 0%, 39% { opacity: 0.35; } 41%, 100% { opacity: 1; } }

/* === CONFIANZA === */
.trust { background: var(--navy-900); color: var(--steel-200); padding-block: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.trust__inner { display: grid; gap: 1rem; align-items: center; }
.trust__label, .trust__ema { margin: 0; font-size: 0.875rem; }
.trust__label { text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel-400); }
.trust__ema strong { color: #fff; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: 3rem; width: max-content; margin: 0; padding: 0; list-style: none;
    font-family: var(--font-heading); font-weight: 600; font-size: 1.125rem; color: #fff; white-space: nowrap; }
.marquee__track li::before { content: '◆'; margin-right: 3rem; color: var(--terracota); font-size: 0.6em; vertical-align: middle; }
@media (prefers-reduced-motion: no-preference) {
    .marquee__track { animation: marquee 36s linear infinite; }
    .marquee:hover .marquee__track { animation-play-state: paused; }
}
@media (prefers-reduced-motion: reduce) {
    .marquee { mask-image: none; }
    .marquee__track { flex-wrap: wrap; white-space: normal; width: auto; gap: 0.5rem 1.5rem; }
    .marquee__track li[aria-hidden] { display: none; }
    .marquee__track li::before { margin-right: 0.5rem; }
}
@keyframes marquee { to { transform: translateX(-50%); } }
@media (min-width: 960px) { .trust__inner { grid-template-columns: auto 1fr auto; gap: 2rem; } }

/* === SECCIONES === */
.section { padding-block: clamp(4rem, 10vw, 7rem); }
.section--steel { background: var(--steel-50); }
.section--navy { background: var(--navy); color: var(--steel-200); }
.section--navy h2, .section--navy h3 { color: #fff; }
.section__head { max-width: 46rem; margin-bottom: 3rem; }
.section__lead { font-size: 1.1875rem; color: var(--text-muted); }
.section--navy .section__lead { color: var(--steel-200); }
.section--navy .section__lead strong { color: #fff; }

/* Aparición al hacer scroll (solo con JS) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* Problema */
.stats { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stat { background: #fff; padding: 1.75rem; }
.stat__num { margin: 0; font-size: clamp(2.25rem, 5vw, 3.25rem); line-height: 1; color: var(--navy); }
.stat__txt { margin: 0.5rem 0 0; color: var(--text-muted); }
.stats + .source { margin-top: 0.75rem; }
.pains { display: grid; gap: 1.5rem; margin-top: 3rem; }
.pain { padding: 1.75rem; border-left: 4px solid var(--terracota); background: var(--steel-50); }
.pain p { margin: 0; color: var(--text-muted); }
@media (min-width: 768px) {
    .stats { grid-template-columns: repeat(3, 1fr); }
    .pains { grid-template-columns: 1fr 1fr; }
}

/* Solución */
.steps { display: grid; gap: 1.5rem; margin: 0 0 3rem; padding: 0; list-style: none; counter-reset: none; }
.step { position: relative; padding: 2rem 1.75rem; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.step:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(0, 39, 68, 0.45); border-color: var(--teal-300); }
.step__n { display: block; margin-bottom: 1rem; font-size: 2.5rem; line-height: 1; color: var(--terracota); }
.step p { margin: 0; color: var(--text-muted); }
.split { display: grid; gap: 1.5rem; }
.feature { padding: 2rem 1.75rem; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.feature--dark { background: var(--navy); border-color: var(--navy); color: var(--steel-200); }
.feature--dark h3 { color: #fff; font-size: 2.5rem; }
.checks { margin: 1.25rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.6rem; }
.checks li { position: relative; padding-left: 1.75rem; }
.checks li::before { content: ''; position: absolute; left: 0; top: 0.45em; width: 1rem; height: 0.55rem;
    border-left: 3px solid var(--teal); border-bottom: 3px solid var(--teal); transform: rotate(-45deg); }
.checks--light li::before { border-color: var(--teal-300); }
@media (min-width: 768px) {
    .steps { grid-template-columns: repeat(3, 1fr); }
    .split { grid-template-columns: 1fr 1fr; }
}

/* Comparativo */
.tabs__list { display: inline-flex; gap: 0.25rem; padding: 0.25rem; margin-bottom: 2rem; background: var(--steel-100); border-radius: calc(var(--radius) + 2px); }
.tabs__btn { min-height: 2.75rem; padding: 0.5rem 1.25rem; border: 0; border-radius: var(--radius); background: transparent; cursor: pointer;
    font: 600 1rem var(--font-heading); color: var(--steel-600); transition: background-color 0.2s var(--ease), color 0.2s var(--ease); }
.tabs__btn[aria-selected="true"] { background: var(--navy); color: #fff; }
.versus { display: grid; gap: 1.5rem; }
.versus__col { padding: 1.75rem; border: 1px solid var(--border); border-radius: var(--radius); }
.versus__col--molber { border: 2px solid var(--teal); background: linear-gradient(180deg, rgba(1, 104, 111, 0.06), transparent 40%); }
.versus__count { display: inline-block; margin-left: 0.5rem; padding: 0.15rem 0.5rem; border-radius: 2px; vertical-align: middle;
    font-size: 0.8125rem; background: var(--steel-100); color: var(--steel-600); }
.versus__col--molber .versus__count { background: var(--teal); color: #fff; }
.plist { margin: 1rem 0 0; padding-left: 1.5rem; display: grid; gap: 0.5rem; }
.plist li::marker { font-family: var(--font-mono); color: var(--steel-400); }
.versus__col--molber .plist li::marker { color: var(--teal); }
@media (min-width: 768px) { .versus { grid-template-columns: 1fr 1fr; } }

.table-wrap { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ctable, .mtable { width: 100%; border-collapse: collapse; text-align: left; }
.ctable th, .ctable td, .mtable th, .mtable td { padding: 1rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.ctable thead th, .mtable thead th { font-family: var(--font-heading); font-size: 0.9375rem; color: var(--steel-600); border-bottom: 2px solid var(--navy); }
.ctable thead th:last-child { color: var(--teal); }
.ctable tbody th { font-family: var(--font-heading); color: var(--navy); white-space: nowrap; }
.ctable td:last-child { font-weight: 600; color: var(--navy); }

/* Evidencia */
.results { display: grid; gap: 1.25rem; }
.result { padding: 1.75rem; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius);
    transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease); }
.result:hover { border-color: var(--teal-300); background: rgba(255, 255, 255, 0.07); }
.result__cal { margin: 0; color: #fff; font-size: 0.9375rem; }
.result__cal span { display: block; color: var(--steel-400); font-size: 0.8125rem; }
.result__num { margin: 1rem 0 0.75rem; font-size: 2.75rem; line-height: 1; color: #fff; }
.result__num small { font-size: 0.9rem; color: var(--steel-400); }
.result__range { margin: 0.75rem 0 0.25rem; font-size: 0.8125rem; color: var(--steel-200); }
.result__obras { margin: 0; font-size: 0.9375rem; color: var(--steel-400); }
.meter { position: relative; height: 8px; margin-top: 1.75rem; background: rgba(255, 255, 255, 0.1); border-radius: 4px; }
.meter::before { content: ''; position: absolute; inset: 0 auto 0 0; width: var(--v); border-radius: 4px;
    background: linear-gradient(90deg, var(--teal), var(--teal-300)); }
.meter::after { content: ''; position: absolute; left: var(--m); top: -6px; bottom: -6px; width: 2px; background: var(--terracota-light); }
.meter__min { position: absolute; left: var(--m); bottom: 14px; transform: translateX(-50%); font-size: 0.6875rem; color: var(--terracota-light); white-space: nowrap; }
.js .meter::before { width: 0; transition: width 1.4s var(--ease); }
.js .meter.is-visible::before { width: var(--v); }
.evidence-notes { max-width: 52rem; margin-top: 3rem; }
.evidence-notes strong { color: #fff; }
@media (min-width: 640px) { .results { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .results { grid-template-columns: repeat(4, 1fr); } }

/* Modelos */
.types__switch { display: inline-flex; gap: 0.25rem; padding: 0.25rem; margin-bottom: 1rem; background: var(--steel-100); border-radius: calc(var(--radius) + 2px); }
.types__btn { min-height: 2.75rem; padding: 0.5rem 1.25rem; border: 0; border-radius: var(--radius); background: transparent; cursor: pointer;
    font: 600 1rem var(--font-heading); color: var(--steel-600); transition: background-color 0.2s var(--ease), color 0.2s var(--ease); }
.types__btn[aria-pressed="true"] { background: var(--terracota-text); color: #fff; }
.types__desc { max-width: 60ch; color: var(--text-muted); }
.mtable tbody th { color: var(--navy); }
.mtable tbody tr { transition: background-color 0.2s var(--ease); }
.mtable tbody tr:hover { background: var(--steel-50); }
.mtable td { font-family: var(--font-mono); font-weight: 500; font-size: 0.9375rem; }
@media (max-width: 719.98px) {
    .mtable thead { display: none; }
    .mtable, .mtable tbody, .mtable tr { display: block; }
    .mtable tr { margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); }
    .mtable th, .mtable td { display: flex; justify-content: space-between; gap: 1rem; padding: 0.4rem 0; border: 0; }
    .mtable tbody th { font-size: 1.125rem; padding-bottom: 0.6rem; margin-bottom: 0.4rem; border-bottom: 2px solid var(--terracota); }
    .mtable td::before { content: attr(data-label); font-family: var(--font-body); font-weight: 400; color: var(--text-muted); }
}

/* Llamado final */
.cta { padding-block: clamp(3.5rem, 8vw, 5.5rem); background: linear-gradient(120deg, var(--teal), var(--navy) 70%); color: var(--steel-100); }
.cta h2 { color: #fff; }
.cta__inner { display: grid; gap: 2rem; align-items: center; }
.cta__inner p { margin: 0; max-width: 52ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
@media (min-width: 960px) { .cta__inner { grid-template-columns: 1fr auto; } }

/* WhatsApp flotante */
.wa-float { position: fixed; right: 1rem; bottom: 1rem; z-index: 40; display: grid; place-items: center;
    width: 3.5rem; height: 3.5rem; border-radius: 50%; background: #1f9d55; color: #fff;
    box-shadow: 0 10px 24px -8px rgba(0, 0, 0, 0.45); transition: transform 0.2s var(--ease); }
.wa-float:hover { transform: scale(1.08); }
@media (max-width: 767.98px) { .site-footer { padding-bottom: 4.5rem; } }

/* === PIE === */
.site-footer { background: var(--navy); color: var(--steel-200); padding-top: 3rem; }
.site-footer a { color: #fff; }
.site-footer__inner { display: grid; gap: 2rem; }
.site-footer__note { margin-top: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.site-footer__legal { margin-top: 2.5rem; padding-block: 1.25rem; border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.875rem; color: var(--steel-400); }
.site-footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; }
.site-footer__legal p { margin: 0; }
.site-footer__legal a { color: var(--steel-200); }
.site-footer__legal a:hover { color: #fff; }
@media (min-width: 768px) { .site-footer__inner { grid-template-columns: 2fr 1fr; } }

/* === MOVIMIENTO REDUCIDO === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* =====================================================================
   AJUSTE 2026-10-03: menos blanco, más carácter de acero y construcción
   ===================================================================== */
:root {
    --concrete: #eceff2;
    --hazard: repeating-linear-gradient(-45deg, var(--terracota) 0 14px, var(--navy) 14px 28px);
    --grid-dark: linear-gradient(rgba(0, 39, 68, 0.05) 1px, transparent 1px),
                 linear-gradient(90deg, rgba(0, 39, 68, 0.05) 1px, transparent 1px);
    --grid-light: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                  linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
}

/* Encabezado azul marino */
.site-header { background: rgba(0, 39, 68, 0.97); border-bottom-color: rgba(255, 255, 255, 0.08); }
.site-nav a:not(.btn) { color: #fff; }
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after { background: #fff; }
@media (max-width: 1099.98px) {
    .site-nav { background: var(--navy); border-bottom-color: rgba(255, 255, 255, 0.08); }
}

/* Franja de obra (diagonales terracota / azul) */
.hero::after, .site-footer::before { content: ''; position: absolute; left: 0; right: 0; height: 6px; background: var(--hazard); }
.hero::after { bottom: 0; }
.site-footer { position: relative; }
.site-footer::before { top: 0; }

/* Títulos de sección tipo señalización */
h2 { text-transform: uppercase; letter-spacing: 0.01em; }
.section__head h2::after { content: ''; display: block; width: 3.5rem; height: 4px; margin-top: 1rem; background: var(--terracota); }

/* Secciones claras: concreto con cuadrícula de plano */
.section { background-color: var(--concrete); background-image: var(--grid-dark); background-size: 32px 32px; }
.section--navy { background-color: var(--navy); background-image: var(--grid-light); }
.section--dark { background-color: var(--steel-800); background-image: var(--grid-light); color: var(--steel-200); }
.section--dark h2 { color: #fff; }
.section--dark .section__lead { color: var(--steel-200); }

/* Tarjetas blancas sobre concreto */
.stats { background: var(--steel-200); }
.pain { background: #fff; }
.versus__col { background: #fff; }
.versus__col--molber { background: linear-gradient(180deg, #e6f1f1, #fff 45%); }
.tabs__list, .types__switch { background: #fff; box-shadow: inset 0 0 0 1px var(--border); }
.table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.mtable tbody tr:hover { background: var(--steel-50); }
@media (max-width: 719.98px) {
    #modelos .table-wrap { background: none; border: 0; }
    .mtable tr { background: #fff; }
}

/* === PÁGINAS INTERIORES === */
.hero--page { padding-block: clamp(3rem, 7vw, 5rem); }
.hero--page h1 { max-width: 22ch; }
.crumbs { margin-bottom: 1.5rem; font-size: 0.8125rem; color: var(--steel-400); }
.crumbs a { color: var(--steel-200); }
.feature--active { border: 2px solid var(--teal); box-shadow: 0 18px 40px -28px rgba(1, 104, 111, 0.7); }
.split + .source { margin-top: 1.25rem; }

/* Preguntas frecuentes */
.faq { display: grid; gap: 0.75rem; max-width: 52rem; }
.faq__item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.faq__item summary { position: relative; padding: 1.1rem 3rem 1.1rem 1.25rem; cursor: pointer; list-style: none;
    font-family: var(--font-heading); font-weight: 600; font-size: 1.125rem; color: var(--navy); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: '+'; position: absolute; right: 1.25rem; top: 50%; transform: translateY(-50%);
    font-family: var(--font-mono); font-size: 1.5rem; color: var(--terracota); transition: transform 0.25s var(--ease); }
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item p { margin: 0; padding: 0 1.25rem 1.25rem; color: var(--text-muted); }

/* === G7K === */
.specs { display: grid; gap: 1px; margin: 0; background: var(--steel-200); border: 1px solid var(--steel-200); border-radius: var(--radius); overflow: hidden; }
.specs__item { padding: 1.5rem; background: #fff; }
.specs dt { color: var(--text-muted); font-size: 0.9375rem; }
.specs dd { margin: 0.35rem 0 0; font-size: 1.375rem; color: var(--navy); }
@media (min-width: 640px) { .specs { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .specs { grid-template-columns: repeat(3, 1fr); } }
.dies { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.die { display: grid; place-items: center; gap: 0.25rem; aspect-ratio: 1; border: 2px solid rgba(255, 255, 255, 0.12); border-radius: 50%;
    background: radial-gradient(circle, rgba(1, 104, 111, 0.35), transparent 65%); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease); }
.die:hover { border-color: var(--terracota-light); transform: rotate(-6deg); }
.die__cal { font-size: clamp(2rem, 6vw, 3rem); line-height: 1; color: #fff; }
.die__in { color: var(--terracota-light); }
@media (min-width: 768px) { .dies { grid-template-columns: repeat(4, 1fr); } }

/* === PRUEBAS === */
.reports { display: grid; gap: 1.25rem; }
.report { display: flex; flex-direction: column; padding: 1.75rem; background: #fff; border: 1px solid var(--border); border-top: 4px solid var(--teal); border-radius: var(--radius);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.report:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -26px rgba(0, 39, 68, 0.5); }
.report h3 { margin: 0; }
.report__place { margin: 0.25rem 0 0; color: var(--text-muted); }
.report__tests { margin: 1.25rem 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
.report__tests li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.6rem 0.8rem; background: var(--steel-50); border-radius: 3px; }
.report__tests strong { color: var(--navy); }
.report__note { color: var(--text-muted); }
.report__meta { margin: auto 0 0; padding-top: 1rem; border-top: 1px solid var(--border); font-size: 0.8125rem; color: var(--steel-600); }
.evidence-notes--light p { color: var(--text-muted); }
@media (min-width: 768px) { .reports { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .reports { grid-template-columns: repeat(3, 1fr); } }

/* === PROYECTOS === */
.projects { display: grid; gap: 1.25rem; }
.project { position: relative; padding: 2rem 1.75rem; background: var(--navy); color: var(--steel-200); border-radius: var(--radius); overflow: hidden;
    transition: transform 0.3s var(--ease); }
.project::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 5px; background: var(--hazard); transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s var(--ease); }
.project:hover { transform: translateY(-4px); }
.project:hover::after { transform: scaleX(1); }
.project__n { font-size: 0.875rem; color: var(--terracota-light); }
.project__name { margin: 0.75rem 0 0.25rem; font-size: 1.75rem; color: #fff; text-transform: none; }
.project__place { margin: 0; color: var(--steel-400); }
.project__type { margin: 1rem 0 0; }
.project__cals { margin: 1rem 0 0; font-size: 0.8125rem; color: var(--teal-300); }
@media (min-width: 768px) { .projects { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .projects { grid-template-columns: repeat(3, 1fr); } }

/* === CONTACTO === */
.contact { display: grid; gap: 2rem; align-items: start; }
@media (min-width: 960px) { .contact { grid-template-columns: 1.6fr 1fr; } }
.contact__form { padding: clamp(1.5rem, 4vw, 2.5rem); background: #fff; border: 1px solid var(--border); border-top: 4px solid var(--terracota); border-radius: var(--radius); }
.contact__aside { display: grid; gap: 1.25rem; }
.contact__list { margin: 1rem 0 0; padding: 0; list-style: none; display: grid; gap: 1rem; }
.contact__list li { display: grid; gap: 0.15rem; }
.contact__list span { font-size: 0.8125rem; color: var(--steel-400); text-transform: uppercase; letter-spacing: 0.06em; }
.contact__list a { color: #fff; font-size: 1.125rem; }
.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .form__row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.4rem; margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { font-family: var(--font-heading); font-weight: 600; color: var(--navy); padding: 0; }
.field input, .field select, .field textarea {
    width: 100%; min-height: 3rem; padding: 0.7rem 0.9rem; font: inherit; color: var(--text);
    background: var(--steel-50); border: 1px solid var(--steel-200); border-radius: var(--radius);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease); }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(1, 104, 111, 0.18); }
.field [aria-invalid="true"] { border-color: #c0392b; }
.field__error { margin: 0; font-size: 0.875rem; color: #b42318; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; }
.chip span { display: inline-block; padding: 0.55rem 1rem; border: 1px solid var(--steel-200); border-radius: 999px; background: var(--steel-50); transition: all 0.2s var(--ease); }
.chip input:checked + span { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip input:focus-visible + span { outline: 3px solid var(--terracota); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.privacy { padding: 1.25rem; background: var(--steel-50); border-radius: var(--radius); display: grid; gap: 0.75rem; }
.privacy__text { margin: 0; font-size: 0.875rem; color: var(--text-muted); }
.check { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9375rem; cursor: pointer; }
.check input { width: 1.15rem; height: 1.15rem; margin-top: 0.2rem; accent-color: var(--teal); flex: none; }
.btn--lg { min-height: 3.5rem; font-size: 1.125rem; justify-self: start; }
.notice { padding: 1.25rem 1.5rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.notice p:last-child { margin-bottom: 0; }
.notice--ok { background: #e7f4f1; border-left: 4px solid var(--teal); }
.notice--ok h2 { text-transform: none; }
.notice--ok h2::after { display: none; }
.notice--error { background: #fdecea; border-left: 4px solid #b42318; color: #7a1a12; }

/* Textos legales */
.legal { max-width: 46rem; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.5rem, 5vw, 3rem); }
.legal h2 { margin: 2.5rem 0 1rem; font-size: 1.375rem; text-transform: none; }
.legal h2::after { display: none; }
.legal h3 { margin: 1.5rem 0 0.75rem; font-size: 1.0625rem; }
.legal > :first-child { margin-top: 0; }
.legal ul, .legal ol { padding-left: 1.25rem; display: grid; gap: 0.5rem; }
.legal a { color: var(--teal); text-decoration: underline; overflow-wrap: anywhere; }

/* Cookies: banner y preferencias */
.wa-float { bottom: calc(1rem + var(--consent-h, 0px)); transition: bottom 0.3s var(--ease), transform 0.2s var(--ease); }
.consent { position: fixed; inset: auto 0 0 0; z-index: 50; background: var(--navy); color: var(--steel-200);
    border-top: 4px solid var(--terracota); box-shadow: 0 -12px 30px -12px rgba(0, 0, 0, 0.4); animation: consent-in 0.4s var(--ease); }
.consent__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; padding-block: 1.1rem; }
.consent__text { flex: 1 1 28rem; margin: 0; font-size: 0.9375rem; }
.consent__text a { color: #fff; text-decoration: underline; }
.consent__actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.consent__actions .btn { min-height: 2.75rem; padding-inline: 1.1rem; }
@keyframes consent-in { from { transform: translateY(100%); } }
@media (max-width: 560px) {
    .consent__actions { width: 100%; }
    .consent__actions .btn { flex: 1 1 auto; }
}
.consent-dialog { width: min(34rem, calc(100% - 2rem)); padding: 0; border: 0; border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5); }
.consent-dialog::backdrop { background: rgba(0, 20, 35, 0.6); }
.consent-dialog form { padding: clamp(1.25rem, 5vw, 2rem); }
.consent-dialog h2 { margin: 0 0 1.25rem; font-size: 1.375rem; text-transform: none; }
.consent-dialog h2::after { display: none; }
.consent-dialog__item { padding: 1rem 0; border-top: 1px solid var(--border); }
.consent-dialog__item p { margin: 0.4rem 0 0 3.25rem; font-size: 0.875rem; color: var(--text-muted); }
.consent-dialog__actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.6rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.consent-dialog__actions .btn { min-height: 2.75rem; padding-inline: 1.1rem; }
.switch { display: flex; align-items: center; gap: 0.75rem; cursor: pointer; }
.switch input { appearance: none; flex: none; width: 2.5rem; height: 1.4rem; margin: 0; border-radius: 999px; background: var(--steel-200);
    position: relative; cursor: pointer; transition: background 0.2s var(--ease); }
.switch input::after { content: ''; position: absolute; top: 0.2rem; left: 0.2rem; width: 1rem; height: 1rem; border-radius: 50%;
    background: #fff; transition: transform 0.2s var(--ease); }
.switch input:checked { background: var(--teal); }
.switch input:checked::after { transform: translateX(1.1rem); }
.switch input:disabled { opacity: 0.6; cursor: not-allowed; }
.site-footer .link-btn { color: #fff; }
.legal .link-btn { color: var(--teal); }
.link-btn { padding: 0; border: 0; background: none; font: inherit; color: inherit; text-decoration: underline; cursor: pointer; }
.legal table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.legal th, .legal td { padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.legal .table-wrap { overflow-x: auto; max-width: 100%; }
@media (prefers-reduced-motion: reduce) {
    .consent { animation: none; }
    .wa-float, .switch input, .switch input::after { transition: none; }
}

/* === FOTOS DE OBRA === */
picture { display: block; }
.photo { margin: 0; }
.photo img, .gallery__item img { width: 100%; border-radius: var(--radius); }
.photo figcaption, .gallery__item figcaption { margin-top: 0.6rem; font-size: 0.875rem; color: var(--text-muted); }
.section--dark .photo figcaption, .section--dark .gallery__item figcaption,
.photo--on-dark figcaption { color: var(--steel-400); }
.photo--wide { margin-top: 2.5rem; }
.photo--wide img { aspect-ratio: 16 / 9; object-fit: cover; }
.photo--fill, .photo--fill picture { height: 100%; }
.photo--fill img { height: 100%; min-height: 18rem; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 45%; }
.photo--product { justify-self: center; max-width: 20rem; }
.photo--product img { background: #fff; border: 1px solid var(--border); }
.specs-media { display: grid; gap: 2rem; align-items: start; }
@media (min-width: 768px) { .specs-media { grid-template-columns: 1fr 18rem; } }

/* Galería: retrato 4:5; la ancha ocupa dos columnas con la misma altura */
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.gallery__item { margin: 0; }
.gallery__item img { aspect-ratio: 4 / 5; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery__item picture { overflow: hidden; border-radius: var(--radius); }
.gallery__item:hover img { transform: scale(1.03); }
.gallery__item--wide { grid-column: span 2; }
.gallery__item--wide img { aspect-ratio: 8 / 5; }
.gallery__item--land img { aspect-ratio: 4 / 3; }
.gallery--2 { margin-bottom: 2.5rem; }
@media (min-width: 768px) { .gallery:not(.gallery--2):not(.gallery--4) { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 960px) { .gallery--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { .gallery__item img { transition: none; } .gallery__item:hover img { transform: none; } }

/* Tarjeta con foto superior */
.feature--media { overflow: hidden; }
.feature__media { margin: -2rem -1.75rem 1.5rem; }
.feature__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: 50% 75%; }

/* Portada con foto real y velo azul marino */
.hero--photo .hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero--photo .hero__bg picture, .hero--photo .hero__bg img { width: 100%; height: 100%; }
.hero--photo .hero__bg img { object-fit: cover; object-position: 50% 40%; }
.hero--photo .hero__bg::after { content: ''; position: absolute; inset: 0;
    background: var(--grid-light), linear-gradient(90deg, rgba(0, 39, 68, 0.95) 0%, rgba(0, 39, 68, 0.88) 50%, rgba(0, 39, 68, 0.78) 100%);
    background-size: 32px 32px, 32px 32px, auto; }
.hero--photo > .container { position: relative; z-index: 1; }
.hero--photo::after { z-index: 2; }
@media (max-width: 959.98px) {
    .hero--photo .hero__bg::after { background: var(--grid-light), rgba(0, 39, 68, 0.9); background-size: 32px 32px, 32px 32px, auto; }
}

/* === SELECTOR DE IDIOMA === */
.lang-switch { display: flex; align-items: center; gap: 0.15rem; margin: 0 0.5rem 0 auto; font-size: 0.8125rem; letter-spacing: 0.06em; }
.lang-switch > * { display: inline-grid; place-items: center; min-width: 2.25rem; min-height: 2.25rem; padding: 0 0.35rem; border-radius: var(--radius); }
.lang-switch__on { color: #fff; background: rgba(255, 255, 255, 0.12); }
.lang-switch a { color: var(--steel-200); text-decoration: none; transition: color 0.2s var(--ease), background-color 0.2s var(--ease); }
.lang-switch a:hover { color: #fff; background: var(--terracota-text); }
@media (min-width: 1100px) {
    .site-nav { margin-left: auto; }
    .lang-switch { margin: 0 0 0 1.25rem; }
}