@font-face { font-family: 'Noto Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/noto-serif-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Noto Serif'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/noto-serif-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Noto Serif'; font-style: italic; font-weight: 400; font-display: swap; src: url('fonts/noto-serif-latin-400-italic.woff2') format('woff2'); }
@font-face { font-family: 'Noto Serif'; font-style: italic; font-weight: 700; font-display: swap; src: url('fonts/noto-serif-latin-700-italic.woff2') format('woff2'); }
@font-face { font-family: 'Noto Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/noto-sans-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Noto Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/noto-sans-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Noto Sans'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/noto-sans-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/cormorant-garamond-latin-700-normal.woff2') format('woff2'); }
html, body { margin: 0; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }

/* Layout: identidad del informe de marca. Blanco y negro, serif para titulares, sans espaciada para rótulos, bandas negras como la portada */
:root {
  --bg: #ffffff;
  --ink: #000000;
  --muted: #555555;
  --faint: #8a8a8a;
  --line: #d6d6d6;
  --soft: #f0f0f0;
  --band: #000000;
  --band-fg: #ffffff;
  --band-muted: #9a9a9a;
  --band-line: #333333;
  --ok: #1d5c38;
  --err: #a1251b;
  --f-serif: "DejaVu Serif", "Noto Serif", Georgia, serif;
  --f-sans: "DejaVu Sans", "Noto Sans", Verdana, system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111111; --ink: #f2f2f2; --muted: #b0b0b0; --faint: #808080; --line: #2e2e2e; --soft: #1b1b1b;
    --band: #000000; --band-fg: #ffffff; --band-muted: #9a9a9a; --band-line: #2a2a2a; --ok: #7cc79b; --err: #f0a198;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111111; --ink: #f2f2f2; --muted: #b0b0b0; --faint: #808080; --line: #2e2e2e; --soft: #1b1b1b;
  --band: #000000; --band-fg: #ffffff; --band-muted: #9a9a9a; --band-line: #2a2a2a; --ok: #7cc79b; --err: #f0a198;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { background: var(--bg); color: var(--ink); font-family: var(--f-serif); font-size: 1.0625rem; line-height: 1.65; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--band); }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
.wrap { max-width: 68rem; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--f-serif); font-weight: 400; text-wrap: balance; margin: 0; line-height: 1.18; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
h3 { font-family: var(--f-sans); font-weight: 700; font-size: 1.05rem; }
p { margin: 0; }
.label { font-family: var(--f-sans); font-size: .7rem; letter-spacing: .32em; text-transform: uppercase; color: var(--faint); }
.ref { font-family: var(--f-sans); font-size: .75rem; color: var(--faint); }
section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.sec-head { display: grid; gap: .9rem; max-width: 42rem; margin-bottom: 2.5rem; }
.sec-head p { color: var(--muted); }
.sec-title { display: flex; align-items: center; gap: .9rem; padding-bottom: .9rem; border-bottom: 1.5px solid var(--ink); margin-bottom: 2rem; }
.tag { font-family: var(--f-sans); font-weight: 700; font-size: .72rem; letter-spacing: .08em; background: var(--ink); color: var(--bg); padding: .2rem .5rem; }

/* Logo */
.logo-mark { display: block; flex: none; }
.logo-mark .frame { fill: none; stroke: currentColor; }

/* Cabecera */
header.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--band); color: var(--band-fg); border-bottom: 1px solid var(--band-line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .8rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .9rem; text-decoration: none; }
.brand-name { display: grid; line-height: 1.15; }
.brand-name b { font-family: var(--f-serif); font-weight: 400; font-size: 1.05rem; letter-spacing: .08em; text-transform: uppercase; padding-bottom: .25rem; border-bottom: 1px solid currentColor; }
.brand-name small { font-family: var(--f-sans); font-size: .6rem; letter-spacing: .3em; text-transform: uppercase; padding-top: .3rem; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.5rem; flex-wrap: wrap; font-family: var(--f-sans); font-size: .82rem; letter-spacing: .06em; }
nav a { text-decoration: none; color: var(--band-muted); }
nav a:hover { color: var(--band-fg); }
nav a.cta { color: var(--band-fg); border-bottom: 1px solid var(--band-fg); }

/* Portada en negro, como la del informe */
.hero { background-color: var(--band); background-image: linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.78) 45%, rgba(0,0,0,.55) 100%), url("img/madrid-cuatro-torres.jpg"); background-size: cover; background-position: center 35%; color: var(--band-fg); padding-block: clamp(3.5rem, 9vw, 6.5rem); }
@media (max-width: 860px) { .hero { background-image: linear-gradient(rgba(0,0,0,.82), rgba(0,0,0,.82)), url("img/madrid-cuatro-torres.jpg"); } }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: end; }
.hero .label { color: var(--band-muted); }
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 3.8rem); margin-top: 1.2rem; }
.hero .lead { margin-top: 1.6rem; max-width: 34rem; font-size: 1.12rem; color: #d0d0d0; border-left: 2px solid var(--band-fg); padding-left: 1.2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.2rem; }
.btn { display: inline-block; font: 600 .82rem var(--f-sans); letter-spacing: .14em; text-transform: uppercase; padding: .9rem 1.4rem; text-decoration: none; border: 1.5px solid currentColor; cursor: pointer; border-radius: 0; }
.hero .btn-primary { background: var(--band-fg); color: var(--band); border-color: var(--band-fg); }
.hero .btn-primary:hover { background: transparent; color: var(--band-fg); }
.hero .btn-ghost { background: transparent; color: var(--band-fg); }
.hero .btn-ghost:hover { background: var(--band-fg); color: var(--band); }
.hero-facts { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--band-line); }
.hero-facts div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 1rem; padding-block: .7rem; border-bottom: 1px solid var(--band-line); }
.hero-facts dt { font-family: var(--f-sans); font-size: .62rem; letter-spacing: .28em; text-transform: uppercase; color: var(--band-muted); padding-top: .2rem; }
.hero-facts dd { margin: 0; font-family: var(--f-sans); font-size: .9rem; }

/* Especialidades */
.specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.spec { padding: 0 1.6rem 0 0; display: grid; gap: .8rem; align-content: start; }
.spec + .spec { padding-left: 1.6rem; border-left: 1px solid var(--line); }
.spec h3 { font-family: var(--f-serif); font-weight: 400; font-size: 1.45rem; }
.spec ul { margin: 0; padding: 0; list-style: none; display: grid; }
.spec li { padding-block: .5rem; border-bottom: 1px solid var(--line); font-size: .97rem; }
.others { margin-top: 3.5rem; background: var(--soft); border-left: 4px solid var(--ink); padding: 1.6rem 1.8rem; display: grid; gap: 1rem; }
.others ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr)); gap: .4rem 2rem; }

/* Cómo trabajamos */
.steps { list-style: none; margin: 0; padding: 0; display: grid; }
.step { display: grid; grid-template-columns: 3rem minmax(0, 1fr) auto; gap: 1rem; padding-block: 1.1rem; border-bottom: 1px solid var(--line); }
.step .n { font-family: var(--f-sans); font-size: .9rem; }
.step div { display: grid; gap: .25rem; }
.step p { color: var(--muted); }
.step .when { font-family: var(--f-sans); font-size: .8rem; color: var(--faint); white-space: nowrap; }

/* España / Colombia */
.phase { font-family: var(--f-sans); font-weight: 700; font-size: .72rem; letter-spacing: .3em; text-transform: uppercase; }
.countries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem; }
.country { display: grid; gap: 1rem; align-content: start; }
.country ul { margin: 0; padding: 0; list-style: none; display: grid; }
.country li { padding-block: .55rem; border-bottom: 1px solid var(--line); }
.country p { color: var(--muted); }

/* Sobre nosotros, en negro */
.band { background: var(--band); color: var(--band-fg); }
.band .label, .band .values span { color: var(--band-muted); }
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 4rem); }
.about-text { display: grid; gap: 1.4rem; max-width: 38rem; align-content: start; }
.portrait { margin: 1.6rem 0 0; display: grid; gap: .9rem; max-width: 22rem; }
.portrait img { display: block; width: 100%; height: auto; aspect-ratio: 640 / 784; object-fit: cover; filter: grayscale(1) contrast(1.05); border: 1px solid var(--band-line); }
.portrait figcaption { display: grid; gap: .15rem; border-top: 1px solid var(--band-fg); padding-top: .7rem; }
.portrait b { font-family: var(--f-serif); font-weight: 400; font-size: 1.15rem; letter-spacing: .06em; text-transform: uppercase; }
.portrait span { font-family: var(--f-sans); font-size: .66rem; letter-spacing: .28em; text-transform: uppercase; color: var(--band-muted); }
.values { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--band-line); }
.values li { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 1rem; padding-block: 1rem; border-bottom: 1px solid var(--band-line); }
.values strong { font-family: var(--f-sans); font-size: .7rem; letter-spacing: .28em; text-transform: uppercase; font-weight: 600; padding-top: .25rem; }

/* Contacto */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(2rem, 5vw, 4rem); }
.contact-info { display: grid; gap: 1.6rem; align-content: start; }
.contact-info dl { margin: 0; display: grid; border-top: 1px solid var(--line); }
.contact-info dl div { display: grid; gap: .15rem; padding-block: .8rem; border-bottom: 1px solid var(--line); }
.contact-info dt { font-family: var(--f-sans); font-size: .62rem; letter-spacing: .28em; text-transform: uppercase; color: var(--faint); }
.contact-info dd { margin: 0; font-family: var(--f-sans); font-size: .95rem; }
.pending { font-style: italic; color: var(--muted); }
form { border: 1.5px solid var(--ink); padding: clamp(1.4rem, 3vw, 2.2rem); display: grid; gap: 1.1rem; }
.row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.field { display: grid; gap: .35rem; }
label { font-family: var(--f-sans); font-size: .66rem; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }
input, select, textarea { font: 400 1rem var(--f-sans); color: var(--ink); background: var(--bg); border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; padding: .55rem .1rem; width: 100%; }
select { border: 1px solid var(--line); border-bottom-color: var(--ink); padding: .55rem .4rem; }
textarea { min-height: 7rem; resize: vertical; border: 1px solid var(--line); border-bottom-color: var(--ink); padding: .6rem; }
.check { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .7rem; align-items: start; }
.check input { width: 1.05rem; height: 1.05rem; margin-top: .15rem; accent-color: var(--ink); }
.check label { font-size: .85rem; letter-spacing: 0; text-transform: none; }
form .btn-primary { background: var(--ink); color: var(--bg); border-color: var(--ink); justify-self: start; }
form .btn-primary:hover { background: transparent; color: var(--ink); }
.err { color: var(--err); font-family: var(--f-sans); font-size: .85rem; }
.sent { border-left: 4px solid var(--ok); background: var(--soft); padding: 1rem 1.2rem; font-family: var(--f-sans); font-size: .9rem; }

footer { background: var(--band); color: var(--band-muted); padding-block: 2.5rem; font-family: var(--f-sans); font-size: .78rem; letter-spacing: .06em; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
footer ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.4rem; flex-wrap: wrap; }
footer .brand { color: var(--band-fg); }

@media (max-width: 860px) {
  .hero-grid, .about, .contact, .countries { grid-template-columns: minmax(0, 1fr); }
  .specs { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .spec, .spec + .spec { padding: 0; border-left: 0; }
}
@media (max-width: 560px) {
  nav ul { gap: 1rem; }
  .row { grid-template-columns: minmax(0, 1fr); }
  .step { grid-template-columns: 2.2rem minmax(0, 1fr); }
  .step .when { grid-column: 2; }
  .values li, .hero-facts div { grid-template-columns: minmax(0, 1fr); gap: .2rem; }
}

.legal { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.legal .wrap { max-width: 46rem; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 1.5rem; }
.legal h2 { font-size: 1.3rem; margin-top: 2rem; margin-bottom: .6rem; }
.legal p, .legal li { color: var(--ink); margin-bottom: .8rem; }
.legal .pending { background: var(--soft); padding: 0 .3rem; font-style: normal; }
footer a { text-decoration: none; }
footer a:hover { color: var(--band-fg); }