/* Coronel Arquitectos — estilos del sitio (versión minimalista) */

/* Fuentes servidas por el propio sitio (Geist, licencia OFL), sin llamar a Google */
@font-face { font-family: "Geist"; src: url("../fuentes/geist.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../fuentes/geist-mono.woff2") format("woff2"); font-weight: 400 500; font-display: swap; }

:root {
  --texto: #111111;
  --tenue: #6e6e6b;
  --fondo: #ffffff;
  --suave: #f5f5f3;
  --linea: #e4e4e0;
  --acento: #d7262b;       /* la "C" roja del logo; solo como acento */

  --letra: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, Consolas, monospace;

  --ancho: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --aire: clamp(88px, 12vw, 168px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--letra);
  font-size: 16px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -.03em; line-height: 1.08; }
h2 { font-size: clamp(28px, 3.4vw, 44px); text-wrap: balance; }
h3 { font-size: 20px; letter-spacing: -.015em; }
p { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }

.saltar { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--texto); color: #fff; padding: 8px 14px; }
.saltar:focus { left: 8px; }
:focus-visible { outline: 1.5px solid var(--texto); outline-offset: 3px; }

.etiqueta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--tenue);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px;
}
.etiqueta::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--acento); }

/* ---------- Enlaces y botones ---------- */
.enlace-flecha {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 500; text-decoration: none; white-space: nowrap;
  padding-bottom: 4px; border-bottom: 1px solid var(--texto);
}
.enlace-flecha span, .boton span { transition: transform .25s; }
.enlace-flecha:hover span, .boton:hover span { transform: translateX(4px); }

.boton {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border: 0; border-radius: 100px;
  background: var(--texto); color: #fff; font-weight: 500; font-size: 15px; text-decoration: none;
  transition: background .2s;
}
.boton:hover { background: #333; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.cabecera.con-sombra { border-bottom-color: var(--linea); }
.cabecera__fila { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 500; font-size: 15px; letter-spacing: -.01em; }

.menu { display: flex; align-items: center; gap: 36px; }
.menu a { text-decoration: none; font-size: 14px; color: var(--tenue); transition: color .2s; }
.menu a:hover, .menu a.actual { color: var(--texto); }
.menu .menu__cta { color: var(--texto); font-weight: 500; padding: 8px 18px; border: 1px solid var(--linea); border-radius: 100px; transition: border-color .2s; }
.menu .menu__cta:hover { border-color: var(--texto); }

.menu-boton { display: none; width: 44px; height: 44px; margin-right: -10px; border: 0; background: none; position: relative; }
.menu-boton span { position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--texto); transition: transform .25s, top .25s; }
.menu-boton span:first-child { top: 18px; }
.menu-boton span:last-child { top: 25px; }
.menu-boton[aria-expanded="true"] span:first-child { top: 21.5px; transform: rotate(45deg); }
.menu-boton[aria-expanded="true"] span:last-child { top: 21.5px; transform: rotate(-45deg); }

/* ---------- Inicio ---------- */
.inicio { padding-top: clamp(64px, 11vw, 160px); }
.inicio h1 {
  font-size: clamp(40px, 6.4vw, 92px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1;
  max-width: 17ch;
  text-wrap: balance;
}
.punto { color: var(--acento); }
.inicio__pie {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 32px 64px; flex-wrap: wrap;
  margin: clamp(40px, 5vw, 64px) 0 clamp(48px, 6vw, 80px);
}
.inicio__pie p { max-width: 44ch; color: var(--tenue); font-size: 17px; }

/* ---------- Carrusel ---------- */
.carrusel__marco { position: relative; aspect-ratio: 1129 / 449; overflow: hidden; background: var(--suave); }
.carrusel__foto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
.carrusel__foto.activa { opacity: 1; }
.carrusel__pie { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 16px; font-size: 14px; }
.carrusel__num { font-family: var(--mono); font-size: 12px; color: var(--tenue); margin-right: 14px; }
.carrusel__puntos { display: flex; gap: 6px; }
.carrusel__puntos button {
  width: 28px; height: 24px; padding: 0; border: 0; background: none; position: relative;
}
.carrusel__puntos button::before {
  content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 2px; background: var(--linea); transition: background .3s;
}
.carrusel__puntos button[aria-selected="true"]::before { background: var(--texto); }

/* ---------- Marcas de clientes ---------- */
.marcas { padding: clamp(56px, 7vw, 96px) 0 0; }
.marcas__fila { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: baseline; }
.marcas .etiqueta { margin: 0; }
.marcas ul { display: flex; flex-wrap: wrap; gap: 12px 40px; }
.marcas li { font-size: 17px; font-weight: 500; color: #9a9a96; letter-spacing: -.01em; transition: color .2s; }
.marcas li:hover { color: var(--texto); }

/* ---------- Secciones ---------- */
.seccion { padding: var(--aire) 0; }
.seccion--suave { background: var(--suave); }

.dividido { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 7vw, 120px); align-items: start; }
.dividido__lado { position: sticky; top: 112px; }

.encabezado { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: clamp(32px, 4vw, 56px); }

/* ---------- Servicios ---------- */
.servicios { border-top: 1px solid var(--linea); }
.servicio { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 32px 0; border-bottom: 1px solid var(--linea); }
.servicio__num { font-family: var(--mono); font-size: 12px; color: var(--tenue); padding-top: 6px; }
.servicio h3 { font-size: clamp(22px, 2vw, 26px); margin-bottom: 8px; transition: transform .3s; }
.servicio p { color: var(--tenue); max-width: 52ch; }
.servicio:hover h3 { transform: translateX(6px); }

/* ---------- Proceso ---------- */
.proceso { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; margin-top: 16px; }
.proceso li { border-top: 1px solid var(--texto); padding-top: 24px; }
.proceso span { font-family: var(--mono); font-size: 12px; color: var(--tenue); display: block; margin-bottom: 40px; }
.proceso h3 { margin-bottom: 8px; }
.proceso p { color: var(--tenue); font-size: 15px; max-width: 28ch; }

/* ---------- Galería ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 4px 24px; }
.filtro {
  border: 0; background: none; padding: 4px 0; font-size: 14px; color: var(--tenue);
  border-bottom: 1px solid transparent; transition: color .2s, border-color .2s;
}
.filtro:hover { color: var(--texto); }
.filtro.activo { color: var(--texto); border-bottom-color: var(--texto); }

.galeria { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 56px) clamp(16px, 2vw, 24px); }
.pieza { padding: 0; border: 0; background: none; text-align: left; display: flex; flex-direction: column; gap: 14px; }
.pieza img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--suave); transition: opacity .3s; }
.pieza--completa { grid-column: 1 / -1; }
.pieza--completa img { aspect-ratio: 1129 / 449; }
.pieza:hover img { opacity: .88; }
.pieza__pie { display: flex; justify-content: space-between; gap: 16px; font-size: 15px; }
.pieza__pie b { font-weight: 500; }
.pieza__pie small { font-size: 14px; color: var(--tenue); }
.pieza.oculta { display: none; }

/* ---------- Casos ---------- */
.casos { border-top: 1px solid var(--linea); }
.caso { border-bottom: 1px solid var(--linea); }
.caso summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: minmax(0, 1fr) auto 20px; align-items: baseline; gap: 24px;
  padding: 24px 0;
}
.caso summary::-webkit-details-marker { display: none; }
.caso summary::after { content: "+"; font-size: 20px; font-weight: 300; color: var(--tenue); text-align: right; transition: transform .3s; }
.caso[open] summary::after { transform: rotate(45deg); }
.caso__cliente { font-size: clamp(20px, 2vw, 24px); font-weight: 500; letter-spacing: -.02em; }
.caso__tipo { font-size: 14px; color: var(--tenue); text-align: right; }
.caso__detalle { padding: 0 44px 28px 0; color: var(--tenue); max-width: 62ch; }
.caso__resultado { margin-top: 10px; color: var(--texto); }
.caso__resultado::before { content: "→ "; color: var(--acento); }

/* ---------- Nosotros ---------- */
.declaracion {
  font-size: clamp(30px, 4.4vw, 60px); font-weight: 400; letter-spacing: -.035em; line-height: 1.1;
  max-width: 22ch; text-wrap: balance;
}
.filosofia { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: clamp(56px, 7vw, 104px); }
.filosofia h3 { font-family: var(--mono); font-size: 12px; font-weight: 400; letter-spacing: .02em; color: var(--tenue); margin-bottom: 14px; }
.filosofia p { font-size: 18px; line-height: 1.5; max-width: 32ch; }

/* ---------- Contacto ---------- */
.seccion--contacto { border-top: 1px solid var(--linea); }
.datos { margin: 40px 0 0; }
.datos div { padding: 14px 0; border-top: 1px solid var(--linea); display: grid; grid-template-columns: 88px 1fr; gap: 16px; font-size: 15px; }
.datos dt { color: var(--tenue); }
.datos dd { margin: 0; }
.datos a { text-decoration: none; overflow-wrap: anywhere; }
.datos a:hover { text-decoration: underline; text-underline-offset: 3px; }

.formulario { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; }
.campo { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.campo--ancho { grid-column: 1 / -1; }
.campo label { font-size: 13px; color: var(--tenue); }
.campo small { font-size: 12px; opacity: .75; }
.campo input, .campo select, .campo textarea {
  font: inherit; font-size: 17px; color: var(--texto);
  padding: 10px 0; border: 0; border-bottom: 1px solid var(--linea); border-radius: 0; background: transparent;
  transition: border-color .2s; width: 100%;
}
.campo select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23111' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 4px center; }
.campo textarea { resize: vertical; min-height: 90px; }
.campo ::placeholder { color: #b4b4b0; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-bottom-color: var(--texto); }
.campo .invalido { border-bottom-color: var(--acento); }
.casilla { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--tenue); }
.casilla input { margin-top: 3px; accent-color: var(--texto); width: 15px; height: 15px; flex: none; }
.casilla.invalido span { color: var(--acento); }
.formulario__pie { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 4px; }
.formulario__estado { font-size: 14px; color: var(--tenue); }
.formulario__estado.error { color: var(--acento); }

/* ---------- Pie ---------- */
.pie { border-top: 1px solid var(--linea); padding: 28px 0; font-size: 13px; color: var(--tenue); }
.pie__fila { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 32px; }
.pie a { text-decoration: none; }
.pie a:hover { color: var(--texto); }

/* ---------- Visor de fotos ---------- */
.visor {
  position: fixed; inset: 0; z-index: 90; background: rgba(255, 255, 255, .97);
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; gap: 16px;
}
.visor[hidden] { display: none; }
.visor img { max-width: min(1280px, 100%); max-height: 80vh; object-fit: contain; }
.visor__pie { font-size: 15px; }
.visor__cerrar { position: absolute; top: 14px; right: 14px; width: 48px; height: 48px; border: 0; background: none; font-size: 30px; font-weight: 300; line-height: 1; }

/* ---------- Revelar al hacer scroll ---------- */
.js .revelar { opacity: 0; transform: translateY(16px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.js .revelar.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .revelar { opacity: 1; transform: none; }
}

/* ---------- Página legal ---------- */
.legal { padding: clamp(56px, 9vw, 120px) 0; }
.legal .contenedor { max-width: 760px; }
.legal h1 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -.04em; margin-bottom: 8px; }
.legal__fecha { color: var(--tenue); margin-bottom: 48px; }
.legal h2 { font-size: 20px; letter-spacing: -.015em; margin: 48px 0 14px; }
.legal p, .legal li { color: #3a3a38; }
.legal p + p { margin-top: 14px; }
.legal ul { padding-left: 20px; margin: 14px 0; list-style: disc; }
.legal li { margin: 6px 0; }
.legal a { text-underline-offset: 3px; }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .dividido { grid-template-columns: 1fr; }
  .dividido__lado { position: static; }
  .proceso { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .marcas__fila { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-boton { display: block; }
  .menu {
    position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--fondo); border-bottom: 1px solid var(--linea); padding: 8px var(--gutter) 28px;
    opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all .25s;
  }
  .menu.abierto { opacity: 1; visibility: visible; transform: none; }
  .menu a { padding: 16px 0; border-bottom: 1px solid var(--linea); font-size: 20px; color: var(--texto); letter-spacing: -.02em; }
  .menu .menu__cta { margin-top: 24px; border-radius: 100px; text-align: center; font-size: 16px; padding: 14px; background: var(--texto); color: #fff; border: 0; }
  .galeria { grid-template-columns: 1fr; }
  .pieza img, .pieza--completa img { aspect-ratio: 16 / 10; }
  .filosofia { grid-template-columns: 1fr; gap: 36px; }
  .formulario { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .inicio h1 { font-size: 10.4vw; }
  .carrusel__marco { aspect-ratio: 4 / 3; }
  .proceso { grid-template-columns: 1fr; }
  .proceso span { margin-bottom: 16px; }
  .caso summary { grid-template-columns: minmax(0, 1fr) 20px; gap: 4px 12px; }
  .caso__tipo { grid-column: 1; grid-row: 2; text-align: left; }
  .caso summary::after { grid-column: 2; grid-row: 1; }
  .caso__detalle { padding-right: 0; }
  .pieza__pie { flex-direction: column; gap: 2px; }
  .datos div { grid-template-columns: 1fr; gap: 2px; }
}