/* ROCA Consultores en Construcción — línea gráfica tomada del CV 2021
   Blanco/negro, fotografía a sangre, numeración /01 /02 /03, tipografía ligera. */

:root {
  --ink: #141414;
  --text: #3c3c3c;
  --muted: #7a7a7a;
  --line: #dcdcdc;      /* gris oficial ROCA */
  --paper: #ffffff;
  --paper-2: #f1f1f1;
  --dark: #0c0c0c;
  --dark-2: #1b1b1b;
  --blue: #1f2663;      /* azul oficial ROCA */
  --red: #ed1c24;       /* rojo oficial ROCA */
  --max: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --head: 76px;
  --font: "Source Sans 3", "Myriad Pro", "Segoe UI", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 300; line-height: 1.1; }
strong, b { font-weight: 600; color: var(--ink); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; }
.oculto { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { left: 12px; top: 12px; z-index: 99; background: #fff; padding: 8px 12px; }

/* ---------- Encabezado ---------- */
.site-head {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--head);
  display: flex; align-items: center;
  background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line);
  transition: background .3s, border-color .3s;
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo img { height: 38px; width: auto; }
.logo .blanco { display: none; }
.site-head.sobre-video { background: transparent; border-color: transparent; }
.site-head.sobre-video .logo .color { display: none; }
.site-head.sobre-video .logo .blanco { display: block; }
.site-head.sobre-video .nav > li > a, .site-head.sobre-video .menu-btn { color: #fff; }

.nav { list-style: none; margin: 0; padding: 0; display: flex; gap: clamp(14px, 2vw, 30px); align-items: center; }
.nav > li { position: relative; }
.nav > li > a {
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 400; color: var(--ink);
  padding: 8px 0; border-bottom: 2px solid transparent;
}
.nav > li > a:hover, .nav > li > a[aria-current="page"] { border-color: var(--red); }
.nav .sub {
  list-style: none; margin: 0; padding: 10px 0; position: absolute; top: 100%; left: -18px; min-width: 210px;
  background: #fff; border: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: .2s;
}
.nav > li:hover .sub, .nav > li:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.nav .sub a { display: block; padding: 8px 18px; font-size: 15px; color: var(--ink); }
.nav .sub a:hover { background: var(--paper-2); }
.nav .sub .n { color: var(--muted); font-size: 12px; margin-right: 8px; }
.nav .cv a { border: 1px solid currentColor; padding: 7px 14px; }
.nav .cv a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.site-head.sobre-video .nav .cv a:hover { background: #fff; color: var(--ink); }

.menu-btn { display: none; background: none; border: 0; font: inherit; font-size: 13px; letter-spacing: .14em; color: var(--ink); cursor: pointer; padding: 10px 0; }

@media (max-width: 960px) {
  .menu-btn { display: block; }
  .nav {
    position: fixed; inset: var(--head) 0 0 0; background: #fff; flex-direction: column; align-items: stretch;
    gap: 0; padding: 12px var(--gutter) 40px; overflow-y: auto; display: none;
  }
  body.menu-abierto .nav { display: flex; }
  body.menu-abierto .site-head { background: #fff; }
  body.menu-abierto .site-head .logo .color { display: block; }
  body.menu-abierto .site-head .logo .blanco { display: none; }
  body.menu-abierto .site-head .menu-btn { color: var(--ink); }
  .nav > li > a, .site-head.sobre-video .nav > li > a { display: block; padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 15px; }
  .nav .sub { position: static; opacity: 1; visibility: visible; transform: none; border: 0; padding: 0 0 8px 12px; }
  .nav .cv a { margin-top: 20px; text-align: center; }
}

/* ---------- Encabezado de página estilo CV ---------- */
.folio {
  display: flex; justify-content: space-between; gap: 16px; align-items: baseline;
  font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid var(--line); padding: 14px 0 10px;
}
.folio b { color: var(--ink); font-weight: 600; }
.dark .folio { border-color: #333; color: #8a8a8a; }
.dark .folio b { color: #fff; }

main { padding-top: var(--head); }
body.con-video main { padding-top: 0; }

/* ---------- Títulos numerados /01 ---------- */
.titulo { display: flex; align-items: flex-end; gap: .35em; margin: 0 0 40px; }
.titulo .num { font-size: clamp(56px, 8vw, 104px); font-weight: 700; letter-spacing: -.04em; line-height: .8; color: var(--ink); }
.titulo .num sub { font-size: .5em; vertical-align: baseline; letter-spacing: 0; }
.titulo .txt { padding-bottom: .15em; }
.titulo .txt small { display: block; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.titulo .txt span { display: block; font-size: clamp(24px, 3vw, 38px); color: var(--ink); line-height: 1.1; }
.dark .titulo .num, .dark .titulo .txt span, .sobre-foto .titulo .num, .sobre-foto .titulo .txt span { color: #fff; }

/* ---------- Secciones ---------- */
.seccion { padding: clamp(64px, 9vw, 130px) 0; }
.seccion.gris { background: var(--paper-2); }
.dark { background: var(--dark); color: #bdbdbd; }
.dark h2, .dark h3, .dark strong { color: #fff; }
.columnas { columns: 2 320px; column-gap: 56px; }
.columnas p { break-inside: avoid-column; }
.lead { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.35; color: var(--ink); font-weight: 300; }
.firma { margin-top: 32px; }
.firma .script { font-family: "Caveat", cursive; font-size: 40px; color: var(--ink); line-height: 1; }
.firma small { display: block; color: var(--muted); font-size: 14px; letter-spacing: .04em; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 5vw, 72px); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 3vw, 44px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } .grid-4 { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Portada con video ---------- */
.hero { position: relative; height: 100vh; min-height: 560px; overflow: hidden; background: #000; color: #fff; }
.hero video, .hero .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.45) 45%, rgba(0,0,0,0) 75%),
    linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.1) 35%, rgba(0,0,0,.2) 60%, rgba(0,0,0,.85) 100%);
}
.hero .contenido { position: absolute; inset: auto 0 40px 0; z-index: 2; }
.hero .eyebrow { font-size: 13px; letter-spacing: .3em; text-transform: uppercase; opacity: .85; }
.hero h1 { color: #fff; font-size: clamp(64px, 12vw, 170px); font-weight: 700; letter-spacing: -.03em; line-height: .85; margin: 14px 0 8px; }
.hero .sub { font-size: clamp(20px, 2.4vw, 30px); font-weight: 300; line-height: 1.25; margin: 12px 0 30px; }
.hero .poster { filter: grayscale(1); }
.hero .marca { margin: 0 0 22px; }
.hero .marca img { width: clamp(240px, 36vw, 520px); height: auto; }
.hero .eyebrow { border-top: 1px solid rgba(255,255,255,.5); padding-top: 14px; display: inline-block; }

/* Página interna de opciones de portada */
body.opciones .hero { height: 88vh; border-bottom: 6px solid #fff; }
.etiqueta-opcion { position: absolute; top: calc(var(--head) + 16px); right: var(--gutter); z-index: 3; background: #fff; color: var(--ink); padding: 10px 16px; font-size: 14px; max-width: 360px; }
.etiqueta-opcion b { display: block; letter-spacing: .14em; font-size: 13px; color: var(--red); }

/* Miniatura de video en inicio */
.video-portada { position: relative; display: block; overflow: hidden; background: #000; aspect-ratio: 16 / 9; }
.video-portada img { width: 100%; height: 100%; object-fit: cover; opacity: .75; filter: grayscale(1); transition: opacity .4s, filter .4s; }
.video-portada:hover img { opacity: .9; filter: none; }
.video-portada .play { position: absolute; left: 50%; top: 50%; width: 84px; height: 84px; transform: translate(-50%, -50%); border: 2px solid #fff; border-radius: 50%; }
.video-portada .play::after { content: ""; position: absolute; left: 34px; top: 26px; border-style: solid; border-width: 16px 0 16px 24px; border-color: transparent transparent transparent #fff; }

/* Selector de idioma */
.nav .idioma a { font-weight: 600; }

.btn {
  display: inline-block; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; font-weight: 400;
  padding: 14px 26px; border: 1px solid currentColor; transition: .2s; cursor: pointer; background: none; color: inherit; font-family: inherit;
}
.btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.dark .btn:hover, .hero .btn:hover, .sobre-foto .btn:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn.lleno { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.lleno:hover { background: var(--red); border-color: var(--red); }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Portadas de sección a sangre ---------- */
.portada { position: relative; min-height: 78vh; display: flex; align-items: flex-end; color: #fff; background: #000; overflow: hidden; }
.portada img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .78; }
.portada .wrap { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(40px, 8vh, 90px); }
.portada.corta { min-height: 52vh; }
.sobre-foto { color: #fff; }

.foto-sangre { width: 100%; height: clamp(320px, 62vw, 820px); object-fit: cover; }

/* ---------- Cifras ---------- */
.cifras { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.cifras div { padding: 28px 20px 0 0; }
.cifras b { display: block; font-size: clamp(44px, 5vw, 72px); font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.cifras span { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 760px) { .cifras { grid-template-columns: repeat(2, 1fr); row-gap: 20px; } }

/* ---------- Índice de secciones (tarjetas) ---------- */
.indice { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: #000; }
.indice a { position: relative; aspect-ratio: 4 / 5; overflow: hidden; color: #fff; }
.indice img { width: 100%; height: 100%; object-fit: cover; opacity: .7; transition: transform .8s, opacity .4s; }
.indice a:hover img { transform: scale(1.05); opacity: .5; }
.indice .t { position: absolute; left: 28px; bottom: 28px; right: 28px; }
.indice .t b { display: block; font-size: 56px; font-weight: 700; letter-spacing: -.04em; line-height: .9; color: #fff; }
.indice .t span { font-size: 22px; }
@media (max-width: 860px) { .indice { grid-template-columns: 1fr; } .indice a { aspect-ratio: 16 / 10; } }

/* ---------- Equipo ---------- */
.director { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.director img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(1); }
.director h3 { font-size: 30px; }
.cargo { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 6px 0 18px; }
.pasion { font-style: italic; color: var(--muted); }
.socios { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); margin-top: clamp(56px, 8vw, 100px); }
.socios img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(1); margin-bottom: 22px; }
.socios h3 { font-size: 26px; }
@media (max-width: 860px) { .director, .socios { grid-template-columns: 1fr; } }

.staff { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0; border-top: 1px solid #333; }
.staff article { padding: 26px 24px 26px 0; border-bottom: 1px solid #333; font-size: 15px; line-height: 1.5; }
.staff h4 { color: #fff; font-size: 19px; font-weight: 400; margin-bottom: 2px; }
.staff .t { color: #8a8a8a; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; }
.staff dl { margin: 0; }
.staff dt { color: #fff; font-weight: 600; font-size: 13px; margin-top: 8px; }
.staff dd { margin: 0; }

/* ---------- Filosofía y servicios ---------- */
.mvv { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 56px); border-top: 1px solid var(--line); padding-top: 28px; }
.mvv h3 { font-size: 13px; letter-spacing: .18em; text-transform: uppercase; font-weight: 600; margin-bottom: 14px; }
.mvv p { font-size: 20px; line-height: 1.45; color: var(--ink); }
.mvv ul { list-style: none; margin: 0; padding: 0; font-size: 20px; color: var(--ink); }
.mvv li { padding: 6px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 860px) { .mvv { grid-template-columns: 1fr; } }

.servicios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.servicios article { background: #fff; padding: 34px 30px 40px; }
.servicios .icono { width: 64px; height: 64px; background: var(--ink); display: grid; place-items: center; margin-bottom: 22px; }
.servicios .icono svg { width: 38px; height: 38px; }
.servicios .n { font-size: 13px; color: var(--muted); letter-spacing: .12em; }
.servicios h3 { font-size: 23px; font-weight: 400; margin: 4px 0 14px; }
.servicios p { font-size: 16px; }
@media (max-width: 960px) { .servicios { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .servicios { grid-template-columns: 1fr; } }

/* ---------- Trayectoria (tabla del CV) ---------- */
.trayectoria { width: 100%; border-collapse: collapse; font-size: 17px; }
.trayectoria caption { text-align: left; font-weight: 600; color: var(--ink); letter-spacing: .1em; text-transform: uppercase; font-size: 14px; padding: 36px 0 6px; }
.trayectoria caption::before { content: "▲"; font-size: 9px; color: var(--muted); margin-right: 10px; vertical-align: 2px; }
.trayectoria td { padding: 10px 18px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.trayectoria td:first-child { width: 34%; }
.trayectoria td:nth-child(2) { width: 36%; }
.trayectoria .anio { color: var(--muted); font-size: 15px; }
@media (max-width: 700px) {
  .trayectoria, .trayectoria tbody, .trayectoria tr, .trayectoria td { display: block; width: auto !important; }
  .trayectoria tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  .trayectoria td { border: 0; padding: 2px 0; }
}

/* ---------- Sectores (tarjetas) ---------- */
.sectores { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: #000; }
.sectores a { position: relative; aspect-ratio: 3 / 4; overflow: hidden; color: #fff; }
.sectores img { width: 100%; height: 100%; object-fit: cover; opacity: .72; transition: transform .8s, opacity .4s; }
.sectores a:hover img { transform: scale(1.06); opacity: .5; }
.sectores .t { position: absolute; left: 22px; bottom: 22px; }
.sectores .t b { display: block; font-size: 44px; font-weight: 700; letter-spacing: -.04em; line-height: .9; }
.sectores .t b sub { font-size: .5em; vertical-align: baseline; }
.sectores .t span { font-size: 20px; }
@media (max-width: 860px) { .sectores { grid-template-columns: 1fr 1fr; } }

/* ---------- Proyectos ---------- */
.proyecto { padding: clamp(48px, 7vw, 96px) 0; border-bottom: 1px solid var(--line); }
.proyecto:last-child { border-bottom: 0; }
.proyecto .cab { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 64px); margin-bottom: 32px; }
.proyecto h2 { font-size: clamp(30px, 3.6vw, 48px); }
.proyecto .meta { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }
.proyecto .meta span + span::before { content: " · "; }
@media (max-width: 860px) { .proyecto .cab { grid-template-columns: 1fr; } }

.galeria { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; }
.galeria a { position: relative; overflow: hidden; background: #111; grid-column: span 4; aspect-ratio: 6 / 5; }
.galeria a.ancha { grid-column: span 12; aspect-ratio: auto; }
.galeria a.media { grid-column: span 6; }
.galeria img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s, opacity .3s; }
.galeria a:hover img { transform: scale(1.04); opacity: .9; }
@media (max-width: 700px) { .galeria a, .galeria a.media { grid-column: span 6; } }

.pie-foto { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }

.lista-proy { columns: 2 280px; column-gap: 48px; margin: 0; padding: 0; list-style: none; }
.lista-proy li { break-inside: avoid; padding: 12px 0; border-bottom: 1px solid var(--line); }
.lista-proy b { font-weight: 400; color: var(--ink); display: block; }
.lista-proy span { font-size: 15px; color: var(--muted); }

.navsector { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.navsector a { padding: 34px 0; font-size: 22px; color: var(--ink); }
.navsector a small { display: block; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.navsector a:last-child { text-align: right; }
.navsector a:hover { color: var(--red); }

/* ---------- Video ---------- */
.video-marco { position: relative; background: #000; }
.video-marco video { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.video-lista { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 48px; }
.video-lista figure { margin: 0; }
.video-lista video { width: 100%; aspect-ratio: 16 / 9; background: #000; object-fit: contain; }
.video-lista figcaption { color: #bdbdbd; font-size: 15px; margin-top: 10px; }
.video-lista figcaption b { display: block; color: #fff; font-weight: 400; font-size: 18px; }
@media (max-width: 760px) { .video-lista { grid-template-columns: 1fr; } }

/* ---------- Contacto ---------- */
.form { display: grid; gap: 22px; }
.form label { display: grid; gap: 6px; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.form input, .form select, .form textarea {
  font: inherit; font-size: 18px; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #9a9a9a;
  padding: 10px 0; border-radius: 0; width: 100%;
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--ink); }
.datos dt { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: 22px; }
.datos dd { margin: 4px 0 0; font-size: 20px; color: var(--ink); }
.pendiente { background: #fff3c4; color: #6b5200; padding: 0 6px; font-size: .8em; }

/* ---------- Clientes ---------- */
.clientes img { width: 100%; max-width: 1100px; margin: 0 auto; }

/* ---------- Pie ---------- */
.site-foot { background: var(--dark); color: #9a9a9a; padding: 64px 0 36px; font-size: 15px; }
.site-foot .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; }
.site-foot img { height: 34px; width: auto; margin-bottom: 18px; }
.site-foot h4 { color: #fff; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; font-weight: 600; margin-bottom: 14px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { padding: 3px 0; }
.site-foot a:hover { color: #fff; }
.site-foot .legal { border-top: 1px solid #2a2a2a; margin-top: 44px; padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }
@media (max-width: 860px) { .site-foot .cols { grid-template-columns: 1fr 1fr; } }

/* ---------- Visor de fotos ---------- */
.visor { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.94); display: none; align-items: center; justify-content: center; }
.visor.abierto { display: flex; }
.visor img { max-width: 92vw; max-height: 84vh; object-fit: contain; }
.visor .cap { position: absolute; left: 0; right: 0; bottom: 18px; text-align: center; color: #bbb; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.visor button { position: absolute; background: none; border: 0; color: #fff; font-size: 34px; cursor: pointer; padding: 16px 22px; font-family: inherit; font-weight: 300; }
.visor .cerrar { top: 8px; right: 8px; }
.visor .ant { left: 4px; top: 50%; transform: translateY(-50%); }
.visor .sig { right: 4px; top: 50%; transform: translateY(-50%); }

/* ---------- Aparición suave ---------- */
.aparece { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aparece { opacity: 1; transform: none; transition: none; }
  .indice img, .sectores img, .galeria img { transition: none; }
}