/* =========================================================
   Concretos Qroo & Construcción · Hoja de estilos principal
   Paleta tomada del logotipo:
   azul rey (letras ROO), azul marino (sombra del aro),
   dorado ocre (franja y "CONCRETOS"), gris concreto (olla).
   ========================================================= */

:root {
    color-scheme: light;

    /* Marca */
    --blue: #1a22b0;
    --blue-dark: #0b1160;
    --ink: #070a2e;
    --gold: #b8892b;
    --gold-light: #d8b25f;
    --gold-text: #8a6417;   /* dorado con contraste suficiente sobre blanco */

    /* Neutros "concreto" */
    --concrete-50: #f6f7f8;
    --concrete-100: #eceef1;
    --concrete-200: #dcdfe4;
    --concrete-500: #8c9097;
    --text: #14172b;
    --muted: #565b6b;
    --white: #ffffff;

    /* Tipografía (sin fuentes externas por la CSP) */
    --font-display: Bahnschrift, 'DIN Alternate', 'Arial Narrow', 'Roboto Condensed', sans-serif;
    --font-body: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Ritmo */
    --radius: 6px;
    --radius-lg: 14px;
    --shadow: 0 10px 30px rgba(7, 10, 46, 0.08);
    --shadow-lg: 0 24px 60px rgba(7, 10, 46, 0.18);
    --section-space: clamp(4rem, 8vw, 7rem);
    --header-h: 84px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background: var(--white);
    overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 {
    margin: 0 0 0.6em;
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.01em;
    color: var(--ink);
}

h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

:focus-visible {
    outline: 3px solid var(--gold-light);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.container {
    width: min(1240px, calc(100% - 2.5rem));
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 100;
    padding: 0.8rem 1.2rem;
    background: var(--gold);
    color: var(--ink);
    font-weight: 700;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Marcas de contenido provisional */
.placeholder-tag {
    color: #b42318;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.section-note { margin-top: 1.5rem; }

/* ---------- Espacio para fotos ----------
   Para colocar la foto real, cambia el <div class="photo-slot ..."> por
   <img class="photo-slot ..." src="images/..." alt="..." loading="lazy">
   y conserva las mismas clases. */
.photo-slot {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    width: 100%;
    height: 100%;
    min-height: 220px;
    padding: 1.5rem;
    text-align: center;
    color: var(--muted);
    background:
        repeating-linear-gradient(135deg, transparent 0 14px, rgba(140, 144, 151, 0.12) 14px 15px),
        var(--concrete-100);
    border: 2px dashed var(--concrete-500);
    border-radius: var(--radius-lg);
}

img.photo-slot {
    padding: 0;
    border: 0;
    object-fit: cover;
    background: var(--concrete-100);
}

.photo-slot-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blue);
}
.photo-slot-desc { font-weight: 600; color: var(--text); max-width: 28ch; }
.photo-slot-size { font-size: 0.82rem; }

.photo-slot-dark {
    color: rgba(255, 255, 255, 0.75);
    background:
        repeating-linear-gradient(135deg, transparent 0 14px, rgba(255, 255, 255, 0.05) 14px 15px),
        #2a2d3a;
    border-color: rgba(255, 255, 255, 0.35);
    border-radius: 0;
}
.photo-slot-dark .photo-slot-num { color: var(--gold-light); }
.photo-slot-dark .photo-slot-desc { color: var(--white); }

/* ---------- Botones ---------- */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.button:hover { transform: translateY(-2px); }

.button-gold { background: var(--gold); color: var(--ink); }
.button-gold:hover { background: var(--gold-light); }

.button-ghost { border-color: rgba(255, 255, 255, 0.7); color: var(--white); }
.button-ghost:hover { background: var(--white); color: var(--ink); }

.button-outline { border-color: var(--blue); color: var(--blue); }
.button-outline:hover { background: var(--blue); color: var(--white); }

.button-block { width: 100%; }

/* ---------- Barra superior ---------- */
.topbar {
    background: var(--ink);
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.85rem;
}
.topbar-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.45rem 0;
}
.topbar p { margin: 0; }
.topbar .placeholder-tag { color: #ff9b8f; }

/* ---------- Encabezado ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--white);
    border-bottom: 3px solid var(--gold);
    box-shadow: 0 2px 18px rgba(7, 10, 46, 0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: var(--header-h);
}
.site-logo { width: auto; height: 62px; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}
.site-nav a:not(.button) {
    position: relative;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--blue-dark);
    padding: 0.4rem 0;
}
.site-nav a:not(.button)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s;
}
.site-nav a:not(.button):hover::after { transform: scaleX(1); }
.nav-cta { min-height: 44px; padding-inline: 1.2rem; }

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 2px solid var(--concrete-200);
    border-radius: var(--radius);
    background: transparent;
    cursor: pointer;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px auto;
    background: var(--blue-dark);
    transition: transform 0.25s, opacity 0.25s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: min(88vh, 820px);
    padding: 6rem 0 7rem;
    color: var(--white);
    isolation: isolate;
}
.hero-media {
    position: absolute;
    inset: 0;
    z-index: -2;
}
.hero-media .photo-slot { min-height: 100%; align-items: flex-end; justify-content: center; padding: 2rem 3rem; }
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(100deg, rgba(7, 10, 46, 0.94) 0%, rgba(11, 17, 96, 0.82) 42%, rgba(11, 17, 96, 0.15) 75%, transparent 100%);
}
.hero-copy { max-width: 640px; }

.eyebrow,
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.eyebrow { color: var(--gold-light); }
.section-label { color: var(--gold-text); }
.eyebrow::before,
.section-label::before {
    content: "";
    width: 28px;
    height: 3px;
    background: currentColor;
}

.hero h1 {
    color: var(--white);
    font-size: clamp(2.6rem, 6.2vw, 4.6rem);
    text-transform: uppercase;
    line-height: 1;
}
.hero h1 span { color: var(--gold-light); }
.hero-text { max-width: 54ch; font-size: 1.12rem; color: rgba(255, 255, 255, 0.86); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 2rem 0 2.2rem; }

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.6rem;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}
.hero-badges li { display: flex; align-items: center; gap: 0.5rem; }
.hero-badges li::before {
    content: "";
    width: 9px;
    height: 9px;
    background: var(--gold);
    transform: rotate(45deg);
}

/* ---------- Cifras ---------- */
.stats {
    position: relative;
    z-index: 2;
    margin-top: -4rem;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--blue);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 2rem 1.8rem;
    color: rgba(255, 255, 255, 0.85);
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}
.stat:last-child { border-right: 0; }
.stat strong {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    line-height: 1;
    color: var(--gold-light);
}
.stats .section-note { text-align: center; margin-top: 0.8rem; }

/* ---------- Secciones genéricas ---------- */
.section { padding: var(--section-space) 0; }

.section-heading { max-width: 720px; margin-bottom: 3rem; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.section-heading-light h2 { color: var(--white); }
.section-heading-light .section-label { color: var(--gold-light); }
.section-heading-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    max-width: none;
}
.section-heading-row h2 { margin-bottom: 0; }

/* ---------- Tipos de concreto ---------- */
.concrete-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.concrete-card {
    position: relative;
    padding: 2rem 1.8rem 1.8rem;
    background: var(--white);
    border: 1px solid var(--concrete-200);
    border-top: 4px solid var(--blue);
    border-radius: var(--radius);
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.concrete-card:hover {
    transform: translateY(-4px);
    border-top-color: var(--gold);
    box-shadow: var(--shadow);
}
.concrete-fc {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.25rem 0.7rem;
    background: var(--concrete-100);
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--blue-dark);
}
.concrete-card p { margin: 0; color: var(--muted); }

/* ---------- Servicios ---------- */
.services {
    background:
        linear-gradient(180deg, var(--blue-dark) 0%, var(--ink) 100%);
    color: rgba(255, 255, 255, 0.82);
}
.service-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.service {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.25s, transform 0.25s;
}
.service:hover { border-color: var(--gold); transform: translateY(-4px); }
.service .photo-slot { aspect-ratio: 4 / 3; height: auto; border-radius: 0; border-width: 0 0 2px; }
.service-body { position: relative; padding: 1.8rem 1.8rem 1.6rem; }
.service-num {
    position: absolute;
    top: -1.6rem;
    right: 1.6rem;
    display: grid;
    place-items: center;
    width: 3.2rem;
    height: 3.2rem;
    background: var(--gold);
    color: var(--ink);
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
}
.service h3 { color: var(--white); }
.service p { margin: 0; }

/* ---------- Calculadora ---------- */
.calculator { background: var(--concrete-50); }
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}
.calc-copy > p:not(.section-label) { color: var(--muted); font-size: 1.08rem; }
.calc-disclaimer { font-size: 0.9rem !important; }

.calc-card {
    padding: clamp(1.5rem, 3vw, 2.5rem);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--gold);
}
.calc-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.calc-field { display: flex; flex-direction: column; gap: 0.4rem; }
.calc-field span { font-weight: 600; font-size: 0.92rem; color: var(--blue-dark); }
.calc-field input {
    width: 100%;
    min-height: 50px;
    padding: 0.6rem 0.8rem;
    border: 2px solid var(--concrete-200);
    border-radius: var(--radius);
    font: inherit;
    font-size: 1.1rem;
    color: var(--text);
    background: var(--concrete-50);
}
.calc-field input:focus { border-color: var(--blue); outline: none; background: var(--white); }

.calc-result {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1.4rem;
    background: var(--blue-dark);
    border-radius: var(--radius);
    color: rgba(255, 255, 255, 0.8);
}
.calc-result-label { display: block; font-size: 0.85rem; }
.calc-result strong {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--gold-light);
}

/* ---------- Proceso ---------- */
.process-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}
.process-steps::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 28px;
    right: 12%;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--gold) 0 10px, transparent 10px 18px);
}
.process-steps li { position: relative; }
.step-num {
    position: relative;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    margin-bottom: 1.2rem;
    background: var(--blue);
    color: var(--white);
    border: 4px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--blue);
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
}
.process-steps p { margin: 0; color: var(--muted); }

/* ---------- Proyectos ---------- */
.projects { background: var(--concrete-50); }
.project-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr 1fr;
    grid-auto-rows: 290px;
    gap: 1.25rem;
}
.project {
    position: relative;
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.project-large { grid-row: span 2; }
.project .photo-slot { position: absolute; inset: 0; min-height: 0; justify-content: flex-start; padding-top: 2.5rem; }
.project figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 2.5rem 1.4rem 1.2rem;
    background: linear-gradient(180deg, transparent, rgba(7, 10, 46, 0.92));
    color: rgba(255, 255, 255, 0.82);
}
.project figcaption h3 { margin-bottom: 0.2rem; color: var(--white); font-size: 1.2rem; }
.project figcaption p { margin: 0; font-size: 0.9rem; }
.project-tag {
    display: inline-block;
    margin-bottom: 0.5rem;
    padding: 0.15rem 0.6rem;
    background: var(--gold);
    color: var(--ink);
    border-radius: 3px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.project figcaption .placeholder-tag { color: #ffb4aa; }

/* ---------- Nosotros ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: center;
}
.about-media { position: relative; padding: 0 3rem 3rem 0; }
.about-main { aspect-ratio: 4 / 5; height: auto; }
.about-secondary {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 46%;
    height: auto;
    min-height: 0;
    aspect-ratio: 1;
    border: 6px solid var(--white);
    box-shadow: var(--shadow-lg);
    background-color: var(--concrete-200);
}
.about-copy > p:not(.section-label):not(.placeholder-tag) { color: var(--muted); font-size: 1.08rem; }
.value-list {
    display: grid;
    gap: 1rem;
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
}
.value-list li {
    display: grid;
    grid-template-columns: 9rem 1fr;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--concrete-200);
}
.value-list strong { font-family: var(--font-display); font-size: 1.15rem; color: var(--blue); }
.value-list span { color: var(--muted); }

/* ---------- Cobertura ---------- */
.coverage { padding-top: 0; }
.coverage-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
    padding: clamp(2rem, 5vw, 3.5rem);
    background: var(--concrete-50);
    border-left: 6px solid var(--gold);
    border-radius: var(--radius-lg);
}
.coverage-grid > div > p:not(.section-label):not(.placeholder-tag) { color: var(--muted); }
.coverage-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin: 0;
    padding: 0;
    list-style: none;
}
.coverage-list li {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.9rem 1rem;
    background: var(--white);
    border: 1px solid var(--concrete-200);
    border-radius: var(--radius);
    font-weight: 600;
    color: var(--blue-dark);
}
.coverage-list li::before {
    content: "";
    flex: none;
    width: 10px;
    height: 10px;
    background: var(--gold);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
}

/* ---------- CTA final ---------- */
.cta-band {
    position: relative;
    padding: clamp(5rem, 10vw, 8rem) 0;
    color: var(--white);
    text-align: center;
    isolation: isolate;
}
.cta-media { position: absolute; inset: 0; z-index: -2; }
.cta-media .photo-slot { min-height: 100%; justify-content: flex-end; }
.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(11, 17, 96, 0.88), rgba(7, 10, 46, 0.92));
}
.cta-inner { max-width: 720px; }
.cta-inner h2 { color: var(--white); text-transform: uppercase; }
.cta-inner p { font-size: 1.12rem; color: rgba(255, 255, 255, 0.85); margin-bottom: 2rem; }

/* ---------- Pie de página ---------- */
.site-footer {
    background: var(--ink);
    color: rgba(255, 255, 255, 0.72);
    border-top: 4px solid var(--gold);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 2.5rem;
    padding: 4rem 0 3rem;
}
.footer-brand img { width: 220px; height: auto; margin-bottom: 1rem; }
.footer-brand p { max-width: 32ch; }
.footer-col { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-col h2 {
    margin-bottom: 0.5rem;
    color: var(--gold-light);
    font-size: 1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
    padding: 1.4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.88rem;
}
.footer-bottom p { margin: 0; }

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 60;
    display: grid;
    place-items: center;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: var(--white);
    border-radius: 50%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 32px; height: 32px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px) {
    .site-nav { gap: 1.1rem; }
    .site-nav a:not(.button) { font-size: 0.95rem; }
}

@media (max-width: 980px) {
    :root { --header-h: 72px; }

    .site-logo { height: 50px; }
    .menu-toggle { display: block; }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem 1.25rem 1.5rem;
        background: var(--white);
        border-bottom: 3px solid var(--gold);
        box-shadow: 0 20px 30px rgba(7, 10, 46, 0.12);
        display: none;
    }
    .site-nav.is-open { display: flex; }
    .site-nav a:not(.button) { padding: 0.9rem 0; border-bottom: 1px solid var(--concrete-100); }
    .site-nav a:not(.button)::after { display: none; }
    .nav-cta { margin-top: 1rem; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.15); }

    .concrete-grid { grid-template-columns: repeat(2, 1fr); }
    .calc-grid,
    .about-grid,
    .coverage-grid { grid-template-columns: 1fr; }

    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .process-steps::before { display: none; }

    .project-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 260px; }
    .project-large { grid-column: span 2; grid-row: span 1; }

    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .container { width: calc(100% - 2rem); }
    .topbar-inner { flex-direction: column; gap: 0.1rem; text-align: center; }

    .hero { min-height: 0; padding: 4.5rem 0 6rem; }
    .hero::before { background: linear-gradient(180deg, rgba(7, 10, 46, 0.88), rgba(11, 17, 96, 0.8)); }
    .hero-actions .button { flex: 1 1 100%; }

    .stat { padding: 1.4rem 1.1rem; }

    .concrete-grid,
    .service-list,
    .process-steps { grid-template-columns: 1fr; }

    .section-heading-row { flex-direction: column; align-items: flex-start; }

    .calc-fields { grid-template-columns: 1fr; }
    .calc-result { grid-template-columns: 1fr; }

    .project-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
    .project-large { grid-column: auto; grid-row: span 1; }

    .about-media { padding: 0 1.5rem 1.5rem 0; }
    .value-list li { grid-template-columns: 1fr; gap: 0.2rem; }

    .coverage-list { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Redes sociales (barra superior) ---------- */
.topbar-inner { align-items: center; }
.topbar-right { display: flex; align-items: center; gap: 1.25rem; }
.social-links { display: flex; gap: 0.5rem; }
.social-links a {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transition: background-color 0.2s, color 0.2s;
}
.social-links a:hover { background: var(--gold); color: var(--ink); }
.social-links svg { width: 16px; height: 16px; }

@media (max-width: 640px) {
    .topbar-right { flex-direction: column; gap: 0.35rem; }
}

/* ---------- Ubicación de la planta ---------- */
.coverage .coverage-list { grid-template-columns: repeat(3, auto); justify-content: start; margin-top: 1.5rem; }
.location-card {
    padding: clamp(1.5rem, 3vw, 2.2rem);
    background: var(--white);
    border: 1px solid var(--concrete-200);
    border-top: 4px solid var(--blue);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.location-card address {
    margin-bottom: 1.25rem;
    font-style: normal;
    font-size: 1.05rem;
    color: var(--text);
}
.location-hours { display: grid; gap: 0.5rem; margin: 0 0 1.5rem; }
.location-hours div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--concrete-200);
}
.location-hours dt { font-weight: 600; color: var(--blue-dark); }
.location-hours dd { margin: 0; color: var(--muted); }
.footer-address { font-style: normal; }

/* Cifras con texto en lugar de números */
.stat strong { font-size: clamp(1.6rem, 3vw, 2.4rem); }

@media (max-width: 640px) {
    .coverage .coverage-list { grid-template-columns: 1fr; }
}

/* =========================================================
   Fotos reales (noviembre 2026)
   ========================================================= */

/* Portada: las ollas quedan a la derecha, el texto a la izquierda */
.hero-photo { object-position: 75% center; border-radius: 0; }

/* Servicios: una foto vertical + lista de servicios */
.services-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}
.services-photo {
    aspect-ratio: 4 / 5;
    height: auto;
    border: 3px solid var(--gold);
    box-shadow: var(--shadow-lg);
}
.services-layout .section-heading { margin-bottom: 2rem; }
.services-layout .service-list { gap: 1rem; }
.services-layout .service-body { padding: 1.5rem; }
.services-layout .service-num {
    position: static;
    width: 2.6rem;
    height: 2.6rem;
    margin-bottom: 1rem;
    font-size: 1rem;
}
.services-layout .service h3 { font-size: 1.15rem; }

/* Galería de planta y flota */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.gallery-grid .project { aspect-ratio: 4 / 5; }
.gallery-grid .project .photo-slot { transition: transform 0.4s; }
.gallery-grid .project:hover .photo-slot { transform: scale(1.04); }

/* Nosotros con fotos */
img.about-secondary { border: 6px solid var(--white); }

@media (max-width: 980px) {
    .services-layout { grid-template-columns: 1fr; }
    .services-photo { aspect-ratio: 16 / 10; object-position: center 70%; }
}

@media (max-width: 640px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-grid .project { aspect-ratio: 4 / 3; }
    .services-layout .service-list { grid-template-columns: 1fr; }
}

/* Las fotos reales no llevan el relleno de los recuadros provisionales */
.hero-media img.photo-slot,
.project img.photo-slot { padding: 0; border: 0; border-radius: 0; }

/* Tomas aéreas */
.cta-media img.photo-slot { padding: 0; border: 0; border-radius: 0; min-height: 100%; }
.hero-photo { object-position: center 40%; }

/* Nosotros: la foto chica va arriba a la izquierda, sobre el cielo, para no tapar al equipo */
.about-media { padding: 3rem 0 0 3rem; }
.about-secondary {
    top: 0;
    left: 0;
    right: auto;
    bottom: auto;
    width: 42%;
}

@media (max-width: 640px) {
    .about-media { padding: 1.5rem 0 0 1.5rem; }
}

/* Celular: filtro más ligero para que se vea la foto de la portada */
@media (max-width: 640px) {
    .hero::before { background: linear-gradient(180deg, rgba(7, 10, 46, 0.86) 0%, rgba(11, 17, 96, 0.72) 55%, rgba(11, 17, 96, 0.45) 100%); }
    .hero-photo { object-position: 70% center; }
}