/* ==========================================================================
   Consultoría de Arquitectura · Passeggi
   Hoja de estilos del sitio
   ========================================================================== */

:root {
  --crema:        #f3ece1;
  --crema-claro:  #faf5ec;
  --arena:        #e4d3bd;
  --borde:        #ece2d3;
  --borde-medio:  #e0d5c4;
  --borde-fuerte: #d8cbb8;
  --tierra:       #b4552f;
  --dorado:       #c9a06f;
  --oscuro:       #2a2320;
  --texto:        #4a413a;
  --texto-suave:  #6a5f55;

  /* Sobre fondo oscuro */
  --osc-borde:      #45392f;
  --osc-borde-tenue:#3a3129;
  --osc-texto:      #d9cbb9;
  --osc-suave:      #b6a893;
  --osc-tenue:      #8f8272;

  --sans:  'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --serif: 'Spectral', Georgia, 'Times New Roman', serif;

  --ancho: 1200px;
  --radio: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--crema);
  color: var(--oscuro);
  font-family: var(--serif);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--tierra); color: var(--crema); }

input, textarea, select, button { font-family: inherit; }

/* Los atributos width/height del HTML fijan la relación de aspecto;
   height:auto evita que impongan también la altura intrínseca. */
img { max-width: 100%; height: auto; }

/* --- Utilidades ---------------------------------------------------------- */

.wrap {
  max-width: var(--ancho);
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

.seccion {
  padding-top: 88px;
  padding-bottom: 40px;
  scroll-margin-top: 80px;
}

.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tierra);
  margin-bottom: 14px;
}

.eyebrow--dorado { color: var(--dorado); }

.h2 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0;
}

.centrado { text-align: center; }

.oculto { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- Navegación ---------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(243, 236, 225, .82);
  border-bottom: 1px solid var(--borde-medio);
}

.nav__barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.nav__marca {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -.02em;
  color: var(--tierra);
}

.nav__marca span { color: var(--oscuro); }

.nav__links {
  display: flex;
  gap: 30px;
  align-items: center;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15px;
  color: var(--texto);
}

.nav__links a {
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: border-color .18s ease;
}

.nav__links a:hover { border-bottom-color: var(--tierra); }

.nav__cta,
.nav__links a.nav__cta {
  background: var(--tierra);
  color: var(--crema);
  padding: 10px 20px;
  border-radius: 100px;
  font-weight: 600;
  border-bottom: none;
}

.nav__cta:hover { border-bottom-color: transparent; }

.nav__burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--borde-fuerte);
  border-radius: 10px;
  cursor: pointer;
}

.nav__movil {
  overflow: hidden;
  max-height: 0;
  border-bottom: 0 solid var(--borde-medio);
  background: rgba(243, 236, 225, .98);
  transition: max-height .3s ease;
}

.nav__movil.abierto {
  max-height: 380px;
  border-bottom-width: 1px;
}

.nav__movil-lista {
  display: flex;
  flex-direction: column;
  padding: 8px 22px 20px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 18px;
}

.nav__movil-lista a {
  padding: 13px 0;
  border-bottom: 1px solid var(--borde-medio);
}

.nav__movil-lista a:last-child {
  margin-top: 14px;
  background: var(--tierra);
  color: var(--crema);
  padding: 14px;
  border-radius: 100px;
  text-align: center;
  border-bottom: none;
}

/* --- Hero ---------------------------------------------------------------- */

.hero { padding-top: 56px; padding-bottom: 40px; }

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.hero__eyebrow { margin-bottom: 22px; }

.hero__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 72px;
  line-height: 1;
  letter-spacing: -.025em;
  margin: 0 0 26px;
}

.hero__titulo em { color: var(--tierra); font-style: normal; }

.hero__bajada {
  font-size: 22px;
  line-height: 1.55;
  color: var(--texto);
  max-width: 36ch;
  margin: 0 0 36px;
}

.hero__acciones {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.hero__retrato { position: relative; }

.hero__retrato::before {
  content: "";
  position: absolute;
  inset: -16px -16px 16px 16px;
  background: var(--arena);
  border-radius: 240px 240px 14px 14px;
}

.hero__retrato img {
  position: relative;
  width: 100%;
  display: block;
  border-radius: 240px 240px 14px 14px;
  filter: grayscale(1) contrast(1.03);
  box-shadow: 0 26px 50px rgba(42, 35, 32, .2);
}

/* --- Botones ------------------------------------------------------------- */

.btn {
  display: inline-block;
  background: var(--tierra);
  color: var(--crema);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 17px;
  padding: 17px 32px;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(180, 85, 47, .28);
  transition: transform .15s ease, box-shadow .15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(180, 85, 47, .34);
}

.btn--bloque { width: 100%; padding: 16px; margin-top: 14px; }

.btn--fantasma {
  background: none;
  border: 1px solid #cbb89e;
  color: var(--oscuro);
  font-size: 15px;
  padding: 12px 24px;
  box-shadow: none;
}

.btn--fantasma:hover { transform: none; box-shadow: none; background: rgba(180, 85, 47, .06); }

.enlace-sub {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 17px;
  color: var(--oscuro);
  border-bottom: 2px solid #d8b48c;
  padding-bottom: 3px;
}

.enlace-sub:hover { border-bottom-color: var(--tierra); }

/* --- Tira de refuerzo ---------------------------------------------------- */

.tira { background: var(--tierra); color: var(--crema); }

.tira__inner {
  padding-top: 22px;
  padding-bottom: 22px;
  display: flex;
  gap: 44px;
  justify-content: center;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 16px;
}

/* --- Cabecera de sección ------------------------------------------------- */

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.sec-head__nota {
  font-size: 18px;
  color: var(--texto-suave);
  max-width: 34ch;
  margin: 0;
}

.sec-head__nota--italica { font-size: 16px; max-width: 32ch; font-style: italic; }

/* --- Servicios ----------------------------------------------------------- */

.servicios {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.tarjeta {
  background: var(--crema-claro);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 34px;
}

.tarjeta__num {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 40px;
  line-height: 1;
  color: var(--arena);
}

.tarjeta__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 24px;
  color: var(--tierra);
  margin: 16px 0 10px;
}

.tarjeta__texto {
  font-size: 17px;
  line-height: 1.55;
  color: var(--texto);
  margin: 0;
}

/* --- Sobre Hugo ---------------------------------------------------------- */

.sobre {
  background: var(--oscuro);
  color: var(--crema);
  margin-top: 88px;
  scroll-margin-top: 64px;
}

.sobre__grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 60px;
  align-items: start;
  padding-top: 88px;
  padding-bottom: 88px;
}

.sobre__foto {
  width: 100%;
  display: block;
  border-radius: 12px;
  filter: grayscale(1) contrast(1.05);
  border: 1px solid var(--osc-borde);
}

.sobre__ficha { margin-top: 22px; font-family: var(--sans); }

.sobre__nombre { font-weight: 700; font-size: 20px; }

.sobre__rol {
  font-weight: 500;
  font-size: 14px;
  color: var(--dorado);
  letter-spacing: .04em;
  margin-top: 4px;
}

.sobre__linkedin {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  font-weight: 600;
  font-size: 13px;
  color: var(--osc-texto);
}

.sobre__linkedin:hover { color: var(--dorado); }

.sobre__destacado {
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1.45;
  font-weight: 300;
  color: #f6efe4;
  margin: 0 0 22px;
}

.sobre__texto {
  font-size: 18px;
  line-height: 1.6;
  color: var(--osc-texto);
  max-width: 60ch;
  margin: 0 0 36px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--osc-borde);
  padding-top: 30px;
  margin-bottom: 40px;
}

.stats__num {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 44px;
  line-height: 1;
  color: var(--dorado);
}

.stats__label { font-size: 15px; color: var(--osc-suave); margin-top: 6px; }

.hito {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--osc-borde-tenue);
}

.hito:last-child { border-bottom: 1px solid var(--osc-borde-tenue); }

.hito__fecha {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--dorado);
}

.hito__titulo { font-family: var(--sans); font-weight: 700; font-size: 18px; }

.hito__detalle { font-size: 16px; color: var(--osc-suave); margin-top: 3px; }

/* --- Proceso ------------------------------------------------------------- */

.pasos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.paso { padding-top: 8px; }

.paso__num {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 22px;
  color: var(--crema);
  background: var(--tierra);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.paso__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 21px;
  margin: 0 0 8px;
}

.paso__texto { font-size: 16px; line-height: 1.55; color: var(--texto); margin: 0; }

/* --- Obras --------------------------------------------------------------- */

.obra-grupo { margin-bottom: 44px; }

.obra-grupo__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.obra-grupo__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 25px;
  letter-spacing: -.01em;
  color: var(--oscuro);
  margin: 0;
}

.obra-grupo__sub { font-size: 16px; color: var(--texto-suave); }

.obra-carrusel { position: relative; }

.obra-strip {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}

.obra-strip::-webkit-scrollbar { display: none; }

.obra-track { display: flex; gap: 20px; width: max-content; }

.obra-card {
  flex: none;
  width: 400px;
  background: var(--crema-claro);
  border: 1px solid var(--borde);
  border-radius: 16px;
  overflow: hidden;
}

.obra-card__marco {
  aspect-ratio: 4 / 3;
  background: var(--arena);
}

.obra-card__marco img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.obra-card__pie { padding: 16px 20px; }

.obra-card__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--oscuro);
}

.obra-card__sub { font-size: 14px; color: var(--texto-suave); margin-top: 2px; }

.obra-flecha {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--borde-medio);
  background: rgba(243, 236, 225, .92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: var(--oscuro);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(42, 35, 32, .14);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.obra-flecha:hover {
  background: var(--tierra);
  color: var(--crema);
  border-color: var(--tierra);
}

.obra-flecha--prev { left: 8px; }
.obra-flecha--next { right: 8px; }

/* --- Testimonios --------------------------------------------------------- */

.testimonios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.testi {
  background: var(--crema-claro);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 34px;
  display: flex;
  flex-direction: column;
}

.testi__comilla {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 52px;
  line-height: .6;
  height: 30px;
  color: var(--arena);
}

.testi__cita {
  font-size: 18px;
  line-height: 1.6;
  color: #3a332d;
  margin: 0 0 26px;
  flex: 1;
}

.testi__persona { display: flex; align-items: center; gap: 14px; }

.testi__foto {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--arena);
  flex: none;
}

.testi__nombre {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--oscuro);
}

.testi__rol { font-size: 14px; color: var(--texto-suave); }

/* --- FAQ ----------------------------------------------------------------- */

.faq { max-width: 900px; }

.faq__item { border-bottom: 1px solid var(--borde-medio); }

.faq__pregunta {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 24px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 21px;
  color: var(--oscuro);
}

.faq__signo {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 30px;
  color: var(--tierra);
  line-height: 1;
  flex: none;
}

.faq__respuesta {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .3s ease, opacity .25s ease;
}

.faq__item.abierto .faq__respuesta { max-height: 400px; opacity: 1; }

.faq__respuesta p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--texto);
  margin: 0;
  padding: 0 4px 26px;
  max-width: 62ch;
}

/* --- Contacto ------------------------------------------------------------ */

.contacto {
  margin-top: 88px;
  background: var(--oscuro);
  color: var(--crema);
  scroll-margin-top: 64px;
}

.contacto__grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 64px;
  align-items: start;
  padding-top: 88px;
  padding-bottom: 88px;
}

.contacto__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 48px;
  line-height: 1.02;
  letter-spacing: -.02em;
  margin: 0 0 22px;
}

.contacto__texto {
  font-size: 19px;
  line-height: 1.6;
  color: var(--osc-texto);
  max-width: 42ch;
  margin: 0 0 40px;
}

.canal {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #33302a;
  border: 1px solid var(--osc-borde);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 16px;
  transition: border-color .18s ease;
}

.canal:last-child { margin-bottom: 0; }

.canal:hover { border-color: var(--dorado); }

.canal--whatsapp { background: #33463a; border-color: #46604f; }

.canal--whatsapp:hover { border-color: #25d366; }

.canal__icono {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dorado);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.canal__icono--verde { background: #25d366; }

.canal__nombre {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  display: block;
}

.canal__dato { font-size: 15px; color: var(--osc-suave); }

/* Formulario */

.form-caja {
  background: var(--crema);
  color: var(--oscuro);
  border-radius: 20px;
  padding: 40px;
}

.form-caja__titulo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 26px;
  margin: 0 0 6px;
}

.form-caja__sub { font-size: 16px; color: var(--texto-suave); margin: 0 0 26px; }

.campo { margin-bottom: 18px; }

.form-caja label {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  display: block;
  margin-bottom: 7px;
}

.form-caja input,
.form-caja select,
.form-caja textarea {
  width: 100%;
  border: 1px solid var(--borde-fuerte);
  background: var(--crema-claro);
  border-radius: 10px;
  padding: 13px 16px;
  font-size: 16px;
  color: var(--oscuro);
  outline: none;
  transition: border-color .15s ease;
}

.form-caja input:focus,
.form-caja select:focus,
.form-caja textarea:focus { border-color: var(--tierra); }

/* appearance:none quita la flecha nativa; la reponemos como fondo para que
   el desplegable siga leyéndose como tal. */
.form-caja select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%236a5f55' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-caja textarea { resize: vertical; line-height: 1.5; }

.campo--par {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.campo--ultimo { margin-bottom: 8px; }

.form-error {
  color: var(--tierra);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  margin-top: 12px;
}

.form-gracias { text-align: center; padding: 40px 10px; }

.form-gracias__tilde {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--tierra);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
}

.form-gracias h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 28px;
  margin: 0 0 12px;
}

.form-gracias p {
  font-size: 18px;
  line-height: 1.55;
  color: var(--texto);
  margin: 0 0 24px;
}

/* --- Pie ----------------------------------------------------------------- */

.pie { border-top: 1px solid var(--osc-borde-tenue); }

.pie__inner {
  padding-top: 28px;
  padding-bottom: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.pie__marca {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  color: var(--crema);
}

.pie__marca span { color: var(--dorado); }

.pie__legal { font-size: 14px; color: var(--osc-tenue); }

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 1000px) {
  .pasos { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .testimonios { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .wrap { padding-left: 22px; padding-right: 22px; }
  .seccion { padding-top: 52px; }

  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .hero__grid,
  .sobre__grid,
  .contacto__grid { grid-template-columns: 1fr; gap: 34px; }

  .hero__titulo { font-size: 44px; }
  .hero__bajada { font-size: 19px; }
  .hero__retrato { max-width: 420px; margin: 0 auto; }

  .h2 { font-size: 31px; line-height: 1.08; }
  .contacto__titulo { font-size: 34px; }

  .hito { grid-template-columns: 1fr; gap: 4px; }

  .sobre__grid,
  .contacto__grid { padding-top: 56px; padding-bottom: 56px; }

  .sobre, .contacto { margin-top: 52px; }

  .obra-card { width: 300px; }
  .form-caja { padding: 26px; }
  .campo--par { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
  .servicios { grid-template-columns: 1fr; }
  .pasos { grid-template-columns: 1fr; }
  .stats { gap: 12px; }
  .stats__num { font-size: 34px; }
  .hero__titulo { font-size: 38px; }
  .tira__inner { gap: 8px; flex-direction: column; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .obra-strip { scroll-behavior: auto; }
  * { transition-duration: .01ms !important; }
}