/* ============================================================
   Interiors Paco Piña — reformas integrales, Cervelló
   Dirección: base cálida arquitectónica (arena/piedra) + el azul
   marca real (#2c4491) como único acento. Fraunces para titulares
   (carácter editorial-arquitectónico), Work Sans para todo lo demás
   (su propia tipografía real). Idea central: la línea de tiempo de
   Paco Piña, de aprendiz de carpintero a empresa integral.
   ============================================================ */

:root {
  --mk-primario: #2c4491;
  --mk-secundario: #20326a;
  --mk-fondo: #f6f3ec;
  --mk-texto: #1c1b19;

  --arena: #efe9db;
  --piedra: #e2dbc9;
  --blanco: #fffdf8;
  --grafito: #211f1c;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-text: "Work Sans", Arial, Helvetica, sans-serif;

  --radius: 14px;
  --wrap: min(1180px, 92vw);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--mk-fondo);
  color: var(--mk-texto);
  font-family: var(--font-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ol, ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; margin: 0; }
p { margin: 0; }
section { position: relative; }

.section-title {
  font-size: clamp(1.7rem, 1.2rem + 2vw, 2.7rem);
  max-width: 18ch;
}
.section-sub {
  font-size: clamp(1rem, .95rem + .3vw, 1.15rem);
  color: color-mix(in srgb, var(--mk-texto) 65%, transparent);
  max-width: 55ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .95em 1.6em;
  border-radius: 999px;
  font-family: var(--font-text);
  font-weight: 600;
  font-size: .98rem;
  white-space: nowrap;
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s, background .3s, color .3s;
}
.btn-primary { background: var(--mk-primario); color: var(--blanco); box-shadow: 0 10px 30px color-mix(in srgb, var(--mk-primario) 35%, transparent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px color-mix(in srgb, var(--mk-primario) 45%, transparent); }
.btn-ghost { background: transparent; color: var(--mk-texto); border: 1.5px solid color-mix(in srgb, var(--mk-texto) 30%, transparent); }
.btn-ghost:hover { border-color: var(--mk-primario); color: var(--mk-primario); transform: translateY(-2px); }
.btn-whatsapp { background: #24855c; color: var(--blanco); }
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(36,133,92,.35); }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 500;
  background: color-mix(in srgb, var(--mk-fondo) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--mk-texto) 8%, transparent);
}
.header-inner {
  width: var(--wrap); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .55rem 0;
}
.logo img { height: 46px; width: auto; }
.site-nav { display: none; gap: 1.8rem; font-weight: 500; font-size: .95rem; }
.site-nav a { opacity: .8; transition: opacity .2s, color .2s; }
.site-nav a:hover { opacity: 1; color: var(--mk-primario); }
.header-contact { display: flex; align-items: center; gap: .9rem; }
.tel-link { display: flex; align-items: center; gap: .5rem; font-weight: 600; color: var(--mk-primario); }
.tel-link svg { width: 19px; height: 19px; flex-shrink: 0; }
.tel-text { display: none; }
.wa-link {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: #24855c; color: var(--blanco); flex-shrink: 0;
}
.wa-link svg { width: 19px; height: 19px; }

@media (min-width: 640px) { .tel-text { display: inline; } }
@media (min-width: 900px) { .site-nav { display: flex; } }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: flex-end;
  background-position: center;
  background-size: cover;
}
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,20,18,.35) 0%, rgba(20,20,18,.25) 35%, rgba(15,15,13,.86) 100%);
}
.hero-inner {
  position: relative; z-index: 1;
  width: var(--wrap); margin-inline: auto;
  padding-block: clamp(2.5rem, 6vw, 5rem);
  color: var(--blanco);
  display: flex; flex-direction: column; gap: 1.1rem;
  max-width: 780px;
}
.eyebrow {
  font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  font-size: .82rem; color: color-mix(in srgb, var(--blanco) 80%, var(--mk-primario) 20%);
}
.hero-inner h1 {
  font-size: clamp(2.1rem, 1.3rem + 4.3vw, 4rem);
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.hero-sub {
  font-size: clamp(1.02rem, .95rem + .4vw, 1.2rem);
  color: color-mix(in srgb, var(--blanco) 88%, transparent);
  max-width: 56ch;
  text-shadow: 0 1px 12px rgba(0,0,0,.3);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: .4rem; }
.hero-cta .btn-ghost { color: var(--blanco); border-color: color-mix(in srgb, var(--blanco) 55%, transparent); }
.hero-cta .btn-ghost:hover { border-color: var(--blanco); }

/* ---------- TRUST BAR ---------- */
.trust-bar {
  width: var(--wrap); margin-inline: auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem 1rem;
  padding-block: clamp(2.4rem, 5vw, 3.6rem);
  text-align: center;
}
.trust-num {
  display: block; font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); color: var(--mk-primario);
}
.trust-item p { font-size: .92rem; color: color-mix(in srgb, var(--mk-texto) 68%, transparent); margin-top: .2rem; }
@media (min-width: 700px) { .trust-bar { grid-template-columns: repeat(4, 1fr); } }

/* ---------- SERVICIOS ---------- */
.servicios { width: var(--wrap); margin-inline: auto; padding-block: clamp(3rem, 6vw, 5rem); }
.servicios-grid {
  display: grid; gap: 1.6rem; margin-top: 2.2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 780px) { .servicios-grid { grid-template-columns: repeat(3, 1fr); } }

.servicio-card {
  background: var(--blanco);
  border-radius: var(--radius);
  overflow: hidden;
  padding-bottom: 1.5rem;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--mk-texto) 6%, transparent);
}
.servicio-media { aspect-ratio: 4/3; }
.servicio-media img { width: 100%; height: 100%; object-fit: cover; }
.servicio-card h3 { font-size: 1.25rem; margin: 1.1rem 1.4rem .5rem; }
.servicio-card p { margin: 0 1.4rem; font-size: .95rem; color: color-mix(in srgb, var(--mk-texto) 70%, transparent); }

.servicios-chips {
  display: flex; flex-wrap: wrap; gap: .6rem;
  margin-top: 2.4rem;
}
.servicios-chips li {
  font-size: .85rem; padding: .5em 1em; border-radius: 999px;
  background: var(--arena); color: color-mix(in srgb, var(--mk-texto) 80%, transparent);
}

/* ---------- HISTORIA / TIMELINE ---------- */
.historia { background: var(--grafito); color: var(--blanco); padding-block: clamp(3.4rem, 7vw, 6rem); }
.historia-inner { width: var(--wrap); margin-inline: auto; }
.historia .section-title { color: var(--blanco); max-width: 22ch; }
.historia-lead {
  margin-top: 1.1rem; max-width: 62ch; font-size: 1.05rem;
  color: color-mix(in srgb, var(--blanco) 78%, transparent);
}

.timeline {
  margin-top: 3rem;
  display: grid; gap: 2.2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) { .timeline { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; } }

.timeline li {
  position: relative;
  padding-top: 1.4rem;
  border-top: 2px solid color-mix(in srgb, var(--mk-primario) 55%, var(--blanco) 20%);
}
.timeline-year {
  display: block; font-family: var(--font-display); font-weight: 600;
  font-size: 1.5rem; color: color-mix(in srgb, var(--blanco) 92%, var(--mk-primario) 8%);
  margin-bottom: .5rem;
}
.timeline li p { color: color-mix(in srgb, var(--blanco) 82%, transparent); font-size: .98rem; max-width: 34ch; }

.historia-cita {
  margin: 3rem 0 0; padding: 1.6rem 1.8rem;
  border-left: 3px solid var(--mk-primario);
  font-family: var(--font-display); font-style: italic; font-size: 1.15rem;
  max-width: 62ch; color: color-mix(in srgb, var(--blanco) 92%, transparent);
}

/* ---------- PROYECTOS ---------- */
.proyectos { width: var(--wrap); margin-inline: auto; padding-block: clamp(3rem, 6vw, 5rem); }
.proyectos .section-sub { margin-top: .6rem; }

.galeria-grid {
  margin-top: 2.4rem;
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-bottom: .6rem;
}
.galeria-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  flex: 0 0 auto;
  width: 76vw;
  max-width: 320px;
  aspect-ratio: 4 / 3;
  scroll-snap-align: start;
}
@media (min-width: 700px) {
  .galeria-grid {
    display: grid; gap: 1rem;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 230px;
    overflow-x: visible; scroll-snap-type: none;
  }
  .galeria-item { width: auto; max-width: none; aspect-ratio: auto; height: 100%; }
  .galeria-item.g-tall { grid-row: span 2; }
}
@media (min-width: 1000px) { .galeria-grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px; } }

.galeria-item img { width: 100%; height: 100%; object-fit: cover; }
.galeria-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  padding: 1.6rem .9rem .8rem;
  font-size: .85rem; font-weight: 500; color: var(--blanco);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.72));
}

/* ---------- MARCAS ---------- */
.marcas { padding-block: clamp(2.6rem, 5vw, 4rem); }
.marcas .section-sub { width: var(--wrap); margin-inline: auto; text-align: center; }
.mk-marquee { margin-top: 1.6rem; }
.mk-marquee-track span {
  font-family: var(--font-display); font-weight: 500; font-size: 1.3rem;
  color: color-mix(in srgb, var(--mk-texto) 45%, transparent);
}

/* ---------- ZONA ---------- */
.zona {
  width: var(--wrap); margin-inline: auto;
  padding-block: clamp(2.6rem, 5vw, 4rem);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.zona h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); max-width: 24ch; }
.zona p { color: color-mix(in srgb, var(--mk-texto) 68%, transparent); max-width: 48ch; }

/* ---------- CIERRE ---------- */
.cierre { background: var(--mk-secundario); color: var(--blanco); padding-block: clamp(3rem, 6vw, 4.6rem); }
.cierre-inner { width: var(--wrap); margin-inline: auto; text-align: center; }
.cierre h2 { font-size: clamp(1.8rem, 1.3rem + 2vw, 2.6rem); color: var(--blanco); }
.cierre > .cierre-inner > p { margin-top: .8rem; color: color-mix(in srgb, var(--blanco) 82%, transparent); }
.cierre-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: .9rem; margin-top: 2rem; }
.cierre .btn-ghost { color: var(--blanco); border-color: color-mix(in srgb, var(--blanco) 45%, transparent); }
.cierre .btn-ghost:hover { border-color: var(--blanco); }
.cierre-datos { margin-top: 2.2rem; display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem 1.6rem; font-size: .95rem; color: color-mix(in srgb, var(--blanco) 82%, transparent); }
.cierre-datos a:hover { color: var(--blanco); text-decoration: underline; }
.cierre-legal { margin-top: 2.4rem; font-size: .8rem; color: color-mix(in srgb, var(--blanco) 50%, transparent); }

/* ---------- WHATSAPP FLOTANTE ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: #24855c; color: var(--blanco);
  display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(0,0,0,.28);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
}
.wa-float svg { width: 26px; height: 26px; }
.wa-float:hover { transform: scale(1.08); }
@media (min-width: 900px) { .wa-float { right: 28px; bottom: 28px; } }