/* Tokens y base */
:root {
  color-scheme: light;
  --navy: #17253c;
  --white: #fff;
  /* Tokens que cambian entre modo día y modo noche */
  --bg: #fff;
  --heading: #17253c;
  --slate: #627e83;
  --ink: #233247;
  --muted: #52636b;
  --neutral: #f3f5f5;
  --line: #d6dfe0;
  --brochure: #e6edef;
  --btn: #17253c;
  --btn-hover: #2e435e;
  --space: clamp(1.25rem, 4vw, 3.5rem);
  --section-space: clamp(3.5rem, 7vw, 6.5rem);
  --content-width: 1180px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1626;
  --heading: #f1f5f6;
  --slate: #8fb0b6;
  --ink: #d7e0e4;
  --muted: #9fb0b6;
  --neutral: #131f33;
  --line: #26364d;
  --brochure: #12203a;
  --btn: #2b4466;
  --btn-hover: #365580;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0d1626;
    --heading: #f1f5f6;
    --slate: #8fb0b6;
    --ink: #d7e0e4;
    --muted: #9fb0b6;
    --neutral: #131f33;
    --line: #26364d;
    --brochure: #12203a;
    --btn: #2b4466;
    --btn-hover: #365580;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--slate); outline-offset: 5px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--heading); line-height: 1.15; font-weight: 500; }
h2 { font-size: clamp(2rem, 3.8vw, 3rem); letter-spacing: -.035em; margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; letter-spacing: -.015em; }
p { margin-bottom: 1.25rem; }
.container { width: min(var(--content-width), calc(100% - var(--space) * 2)); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.section-neutral { background: var(--neutral); }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .16em; font-size: .75rem; font-weight: 650; margin-bottom: 1.25rem; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2.5rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { color: var(--muted); font-size: .9rem; margin-bottom: .25rem; }
.skip-link { position: absolute; left: 1rem; top: -6rem; padding: .75rem 1rem; background: var(--bg); z-index: 10; }
.skip-link:focus { top: 1rem; }
/* Cabecera y navegación */
.brand-row { position: relative; display: flex; align-items: center; justify-content: center; padding-block: 1.75rem; }
.header-actions { position: absolute; right: 0; top: 50%; transform: translateY(-50%); display: flex; align-items: center; gap: .5rem; }
.lang-switch, .theme-toggle { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; padding: 0 .65rem; border: 1px solid var(--line); background: none; color: var(--heading); font-size: .8rem; font-weight: 650; letter-spacing: .06em; }
.lang-switch:hover, .theme-toggle:hover { border-color: var(--slate); }
.theme-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.logo-dark { display: none; }
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme]) .theme-toggle .icon-moon { display: none; }
  :root:not([data-theme]) .logo-light { display: none; }
  :root:not([data-theme]) .logo-dark { display: block; }
}
.brand { display: block; width: 330px; max-width: 80%; }
.primary-nav { border-block: 1px solid var(--line); }
.nav-links { display: flex; align-items: center; justify-content: center; gap: clamp(1rem, 3.5vw, 3rem); }
.nav-links a { padding: 1rem 0; font-size: .875rem; }
.nav-links a:hover { color: var(--slate); }
.nav-links .nav-brochure { color: var(--heading); font-weight: 650; }
.nav-brochure span { margin-left: .5rem; }
.menu-toggle { background: none; border: 1px solid var(--line); padding: .65rem .75rem; align-items: center; gap: .65rem; color: var(--heading); min-height: 44px; }
.menu-icon, .menu-icon::before, .menu-icon::after { width: 19px; height: 2px; background: currentColor; display: block; }
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }
/* Hero con fotografía de fondo y velo azul para legibilidad */
.hero { background: var(--navy); min-height: 560px; position: relative; overflow: hidden; color: var(--white); display: flex; align-items: center; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 60%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, #17253cf0 0%, #17253cc7 45%, #17253c66 100%); }
.hero-content { position: relative; z-index: 2; padding-block: 4.5rem; }
.hero .eyebrow { color: #b8cccf; }
.hero h1 { color: var(--white); font-size: clamp(2.4rem, 5vw, 4.4rem); letter-spacing: -.045em; line-height: 1.15; margin-bottom: 1.5rem; }
.hero h1 span { color: #9db4b8; }
.hero-description { max-width: 440px; color: #dce5e7; font-size: 1.05rem; }
/* Acciones */
.button { display: inline-flex; justify-content: center; align-items: center; gap: 2rem; padding: .85rem 1.3rem; min-height: 48px; border: 1px solid transparent; font-size: .875rem; font-weight: 600; }
.button-light { background: var(--white); color: var(--navy); margin-top: .75rem; }
.button-light:hover { background: #e4ebec; }
.button-navy { color: var(--white); background: var(--btn); }
.button-navy:hover { background: var(--btn-hover); }
.button-outline { border-color: var(--slate); color: var(--heading); background: transparent; }
.button:disabled { cursor: not-allowed; }
.text-link { display: inline-block; padding-block: .5rem; border-bottom: 1px solid var(--slate); font-weight: 600; font-size: .9rem; }
.text-link span { margin-left: 2rem; }
/* Nosotros */
.about { display: grid; grid-template-columns: 1fr 1.1fr; gap: 5rem; }
.about-copy { padding-top: 2rem; max-width: 580px; }
.about-copy p { color: var(--muted); }
.about-copy .lead { color: var(--ink); font-size: 1.35rem; line-height: 1.55; }
/* Áreas para imágenes: sustituir cada bloque por una imagen con alt adecuado */
.media-placeholder { background: #e1e8e9; display: grid; place-items: center; color: #536a70; overflow: hidden; }
.media-placeholder span { font-size: .75rem; letter-spacing: .06em; text-align: center; padding: 1rem; }
.services-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem 2rem; }
.service-visual { position: relative; overflow: hidden; background: var(--navy); }
.service-media { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; transition: transform .6s ease; }
.service-overlay { position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; justify-content: flex-end; padding: 1.25rem 1.5rem; color: var(--white); background: linear-gradient(0deg, #17253cf0 0%, #17253c99 45%, #17253c00 80%); transition: background .4s ease; }
.service h3 { color: var(--white); margin-bottom: 0; }
.service-desc { font-size: .9rem; line-height: 1.5; color: #dce5e7; margin: .6rem 0 0; }
@media (hover: hover) {
  .service-desc { max-height: 0; margin-top: 0; opacity: 0; overflow: hidden; transition: max-height .5s ease, margin-top .5s ease, opacity .4s ease; }
  .service:hover .service-desc { max-height: 9rem; margin-top: .6rem; opacity: 1; }
  .service:hover .service-overlay { background: linear-gradient(0deg, #17253cf5 0%, #17253ce0 60%, #17253c80 100%); }
  .service:hover .service-media { transform: scale(1.08); }
}
/* Proyectos */
.projects-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
.project { display: block; }
.project-visual { overflow: hidden; margin-bottom: 1.5rem; background: var(--navy); }
.project-media { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; transition: transform .6s ease; }
.project:hover .project-media { transform: scale(1.05); }
.project:hover h3 { color: var(--slate); }
.projects-more { margin: 2.5rem 0 0; }
.project h3 { margin-bottom: .5rem; }
.project p { color: var(--muted); font-size: .85rem; }
/* Galería de proyectos */
.page-hero { background: var(--navy); color: var(--white); padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.page-hero .eyebrow { color: #b8cccf; }
.page-hero h1 { color: var(--white); font-size: clamp(2.2rem, 4.5vw, 3.6rem); letter-spacing: -.04em; margin-bottom: 1rem; }
.page-anchors { display: flex; flex-wrap: wrap; gap: .5rem 2rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid #ffffff26; font-size: .9rem; }
.page-anchors a { padding-block: .5rem; border-bottom: 1px solid transparent; }
.page-anchors a:hover { border-color: #b8cccf; }
.gallery-head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2rem; }
.gallery-head h2 { margin-bottom: 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.gallery-head p { color: var(--muted); font-size: .9rem; margin: 0 0 .25rem; max-width: 360px; text-align: right; }
.gallery { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); grid-auto-flow: dense; gap: 1rem; }
.gallery-item { display: block; width: 100%; aspect-ratio: 4 / 3; padding: 0; border: 0; overflow: hidden; background: var(--neutral); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.06); }
.lightbox { border: 0; padding: 0; background: transparent; max-width: none; max-height: none; width: 100%; height: 100%; color: var(--white); }
.lightbox::backdrop { background: #0c1422f2; }
.lightbox[open] { display: grid; place-items: center; }
.lightbox figure { margin: 0; display: grid; gap: .75rem; justify-items: center; max-width: min(1280px, 100vw - 7rem); }
.lightbox img { max-width: 100%; max-height: calc(100vh - 8rem); width: auto; height: auto; object-fit: contain; }
.lightbox figcaption { font-size: .9rem; color: #dce5e7; text-align: center; max-width: 720px; }
.lightbox-btn { position: absolute; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid #ffffff55; background: #17253ccc; color: var(--white); font-size: 1.75rem; line-height: 1; }
.lightbox-btn:hover { background: var(--slate); }
.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1rem; top: 50%; transform: translateY(-50%); }
/* Equipo y clientes */
.team-template { display: grid; grid-template-columns: minmax(160px, 300px) 1fr; gap: 3rem; align-items: center; }
.team-photo { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.team-copy { max-width: 520px; }
.team-copy p { color: var(--muted); margin-bottom: .5rem; }
.team-title { font-size: .9rem; }
.team-bio { border-top: 1px solid var(--line); padding-top: 1.25rem; margin-top: 1.25rem; }
.clients-grid { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 300px)); gap: 1rem; }
.client-logo { display: grid; place-items: center; min-height: 125px; padding: 1.5rem 2rem; border: 1px solid var(--line); background: var(--white); transition: border-color .3s ease, transform .3s ease; }
.client-logo:hover { border-color: var(--slate); transform: translateY(-2px); }
.client-logo-dark { background: #000; border-color: #000; }
.clients-grid img { width: 100%; max-height: 64px; object-fit: contain; }
/* Página de experiencia */
.cv-hero { background: var(--navy); color: var(--white); padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.cv-hero-inner { display: grid; grid-template-columns: minmax(160px, 260px) 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.cv-portrait { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.cv-hero .eyebrow { color: #b8cccf; }
.cv-hero h1 { color: var(--white); font-size: clamp(2.2rem, 4.5vw, 3.6rem); letter-spacing: -.04em; margin-bottom: .5rem; }
.cv-back { display: inline-block; color: #b8cccf; font-size: .85rem; margin-bottom: 1.5rem; padding-block: .35rem; }
.cv-back:hover { color: var(--white); }
.cv-role { color: #dce5e7; font-size: 1.1rem; margin-bottom: 1.25rem; }
.cv-intro { max-width: 600px; color: #dce5e7; }
.cv-facts { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid #ffffff26; }
.cv-facts dt { font-size: 2rem; line-height: 1; font-weight: 500; letter-spacing: -.03em; }
.cv-facts dd { margin: .35rem 0 0; font-size: .8rem; color: #b8cccf; }
.cv-wrap .cv-section { padding-block: var(--section-space); }
.cv-section { display: grid; grid-template-columns: minmax(180px, 1fr) 3fr; gap: 2rem clamp(2rem, 5vw, 5rem); }
.cv-label h2 { font-size: 1.35rem; letter-spacing: -.02em; margin-bottom: 0; position: sticky; top: 1.5rem; }
.cv-body { min-width: 0; max-width: 760px; }
.cv-body .lead { font-size: 1.25rem; line-height: 1.55; }
.cv-body p, .cv-body li { color: var(--muted); }
.cv-entry { padding-bottom: 2rem; margin-bottom: 2rem; border-bottom: 1px solid var(--line); }
.cv-entry:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.cv-entry h3 { margin-bottom: .35rem; }
.cv-meta { color: var(--slate) !important; font-size: .85rem; margin-bottom: 1rem; }
.cv-entry ul, .cv-timeline { padding-left: 1.2rem; margin: 0; }
.cv-entry li { margin-bottom: .6rem; }
.cv-roles { list-style: none; padding-left: 0 !important; }
.cv-roles li strong, .cv-timeline strong { color: var(--ink); font-weight: 600; }
.cv-timeline { list-style: none; padding-left: 0; }
.cv-timeline li { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding-block: .85rem; border-bottom: 1px solid var(--line); margin: 0; }
.cv-timeline li:last-child { border-bottom: 0; }
.cv-timeline span { color: var(--slate); font-size: .85rem; padding-top: .1rem; }
.cv-skills { margin: 0; }
.cv-skills > div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding-block: .85rem; border-bottom: 1px solid var(--line); }
.cv-skills > div:last-child { border-bottom: 0; }
.cv-skills dt { font-weight: 600; color: var(--ink); }
.cv-skills dd { margin: 0; color: var(--muted); }
.cv-subtitle { font-size: 1rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 1rem; }
.cv-pubs { list-style: none; padding: 0; margin: 0; }
.cv-pubs li { font-size: .9rem; line-height: 1.55; padding-block: .85rem; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.cv-pubs a { color: var(--heading); border-bottom: 1px solid var(--slate); }
.cv-more { margin-top: 2.5rem; }
.cv-more summary { cursor: pointer; font-weight: 600; color: var(--heading); padding-block: .75rem; min-height: 48px; }
.cv-more[open] summary { margin-bottom: .5rem; }
/* Brochure */
.brochure-section { background: var(--brochure); padding-block: 3.5rem; }
.brochure-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.brochure-inner h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: .75rem; }
.brochure-inner p:last-child { color: var(--muted); margin-bottom: 0; font-size: .9rem; }
.brochure-inner .button { flex-shrink: 0; }
/* Contacto */
.contact { display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; }
.contact-intro p { max-width: 320px; color: var(--muted); }
.contact-card { align-self: center; display: flex; flex-direction: column; align-items: flex-start; padding: 2.5rem; border: 1px solid var(--line); background: var(--neutral); }
.contact-label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: .75rem; }
.contact-email { display: inline-block; font-size: clamp(1.25rem, 3vw, 1.9rem); letter-spacing: -.02em; color: var(--heading); border-bottom: 1px solid var(--slate); margin-bottom: 2rem; overflow-wrap: anywhere; }
.contact-email:hover { color: var(--slate); }
/* Pie de página */
.site-footer { background: var(--navy); color: #dce5e7; padding-block: 3rem 1.5rem; }
.footer-top { display: flex; justify-content: space-between; gap: 2rem; padding-bottom: 2rem; }
.footer-brand { font-size: 1.5rem; color: var(--white); margin-bottom: .5rem; }
.footer-top p:not(.footer-brand) { font-size: .85rem; }
.footer-top nav { display: flex; gap: 1.5rem; align-items: start; flex-wrap: wrap; font-size: .85rem; }
.footer-top nav a { padding-block: .65rem; }
.site-footer a:hover { text-decoration: underline; }
.copyright { border-top: 1px solid #ffffff26; padding-top: 1.25rem; margin-bottom: 0; font-size: .75rem; }
/* Adaptación a pantallas pequeñas */
@media (max-width: 900px) {
  .about, .contact { gap: 2.5rem; }
  .cv-section { grid-template-columns: minmax(0, 1fr); }
  .cv-label h2 { position: static; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projects-grid { gap: 1.25rem; }
  .brochure-inner { align-items: start; flex-direction: column; }
}
@media (max-width: 700px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
  .gallery-head { display: block; }
  .gallery-head p { text-align: left; margin-top: .75rem; }
  .lightbox figure { max-width: calc(100vw - 2rem); }
  .lightbox-prev, .lightbox-next { top: auto; bottom: 1rem; transform: none; }
  .lightbox-prev { left: calc(50% - 56px); }
  .lightbox-next { right: auto; left: calc(50% + 8px); }
  .cv-hero-inner { grid-template-columns: minmax(0, 1fr); }
  .cv-portrait { max-width: 240px; }
  .cv-timeline li, .cv-skills > div { grid-template-columns: 1fr; gap: .15rem; }
  .brand-row { justify-content: space-between; padding-block: 1rem; gap: 1rem; }
  .header-actions { position: static; transform: none; gap: .4rem; }
  .brand { width: 160px; max-width: none; flex-shrink: 1; min-width: 0; }
  .menu-toggle:not([hidden]) { display: inline-flex; }
  .menu-toggle { padding: 0 .65rem; min-width: 44px; justify-content: center; }
  .menu-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; padding-block: .5rem; }
  .nav-links a { min-height: 48px; padding: .7rem .5rem; }
  .hero { min-height: 520px; }
  .hero::before { background: #17253cd1; }
  .hero-content { padding-block: 3.5rem; }
  .hero-description { max-width: 340px; }
    .section-heading { display: block; }
  .section-heading > p { margin-top: 1rem; }
  .about, .contact { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-copy { padding-top: 0; }
  .services-grid, .projects-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .service-media { aspect-ratio: 4 / 3; }
  .team-template { grid-template-columns: 1fr; gap: 1.5rem; }
  .team-photo { max-width: 300px; }
  .clients-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client-logo { padding: 1rem; }
  .footer-top { flex-direction: column; gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .service-media, .service-desc, .service-overlay, .project-media, .gallery-item img { transition: none; }
  .project:hover .project-media, .gallery-item:hover img, .client-logo:hover { transform: none; }
  .service:hover .service-media { transform: none; }
}