/* =========================================================
   DISEÑOS EFRAIN — Hoja de estilos global
   Tapicería · Muebles · Telas · Cueros · Remodelación
   ========================================================= */

/* -------------------- Fuentes -------------------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&family=Jost:wght@300;400;500;600&display=swap');

/* -------------------- Tokens -------------------- */
:root{
  /* Paleta base — tomada del recurso de marca (negro + dorado/bronce) */
  --black:        #0a0a09;
  --charcoal:     #16140f;
  --charcoal-2:   #201d16;
  --charcoal-3:   #2b2720;
  --paper:        #faf8f3;
  --paper-2:      #f1ede3;
  --ink:          #18160f;
  --gray:         #736b5a;
  --gray-light:   #b9b1a0;
  --line-dark:    #3a352a;
  --line-light:   #ded6c4;
  --gold:         #c9a25c;
  --gold-soft:    #dcbd82;
  --gold-dim:     #8a6c37;
  --white:        #ffffff;

  /* Tipografía */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body:    'Jost', 'Helvetica Neue', Arial, sans-serif;

  /* Ritmo */
  --container: 1240px;
  --gap: clamp(1.25rem, 2vw, 2rem);
  --radius: 3px;

  /* Movimiento */
  --ease: cubic-bezier(.22,.61,.36,1);
  --speed: .5s;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* -------------------- Reset -------------------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 600; margin: 0; color: var(--ink); }
p{ margin: 0; }
:focus-visible{ outline: 2px solid var(--gold); outline-offset: 3px; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

section{ position: relative; }

/* -------------------- Utilidades de tipografía -------------------- */
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-body);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-dim);
  font-weight: 500;
}
.eyebrow--light{ color: var(--gold-soft); }
.eyebrow::before{
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  display: block;
}

.section-head{
  max-width: 640px;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}
.section-head h2{
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  line-height: 1.15;
  margin-top: .6rem;
}
.section-head p{
  margin-top: 1rem;
  color: var(--gray);
  font-size: 1.02rem;
  max-width: 52ch;
}
.section-head.center{ margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center p{ margin-left: auto; margin-right: auto; }
.section-head.light h2{ color: var(--white); }
.section-head.light p{ color: var(--gray-light); }

/* -------------------- Divisor "puntada" (elemento de firma) --------------------
   Referencia directa al oficio: una línea de costura discontinua que separa
   secciones, en vez de un simple hairline genérico. */
.stitch{
  --c: var(--line-light);
  height: 9px;
  background-image:
    repeating-linear-gradient(90deg, var(--c) 0 10px, transparent 10px 20px);
  background-position: center;
  background-size: 100% 1px;
  background-repeat: repeat-x;
  position: relative;
}
.stitch::before, .stitch::after{
  content: "";
  position: absolute;
  top: 0; width: 1px; height: 9px; background: var(--c);
}
.stitch::before{ left: 0; }
.stitch::after{ right: 0; }
.stitch--dark{ --c: var(--line-dark); }

.divider{
  border: 0;
  border-top: 1px solid var(--line-light);
  margin: 0;
}
.divider--dark{ border-top-color: var(--line-dark); }

/* -------------------- Botones -------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: .95em 1.9em;
  font-family: var(--font-body);
  font-size: .92rem;
  letter-spacing: .04em;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease), border-color var(--speed) var(--ease), transform .2s var(--ease);
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }

.btn--gold{
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.btn--gold:hover{ background: var(--gold-soft); border-color: var(--gold-soft); }

.btn--outline-dark{
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.btn--outline-dark:hover{ border-color: var(--gold); color: var(--gold-soft); }

.btn--outline-light{
  background: transparent;
  color: var(--ink);
  border-color: var(--line-dark);
  border-color: #cabf9e;
}
.btn--outline-light:hover{ border-color: var(--gold-dim); color: var(--gold-dim); }

.btn--ghost{
  background: transparent;
  color: var(--ink);
  padding-left: 0;
  padding-right: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
}
.btn--ghost:hover{ color: var(--gold-dim); border-color: var(--gold-dim); }

.btn--sm{ padding: .7em 1.4em; font-size: .82rem; }
.btn--block{ width: 100%; }

.btn svg{ width: 1.05em; height: 1.05em; flex: none; }

/* -------------------- Header -------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,9,.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 88px;
}
.brand{ display: flex; align-items: center; height: 100%; flex: none; }
.brand img{
  height: 150px;
  width: auto;
  display: block;
}

.main-nav{ display: flex; align-items: center; gap: clamp(1.1rem, 2vw, 2.2rem); }
.main-nav a{
  font-size: .86rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray-light);
  font-weight: 500;
  padding: .4rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.main-nav a:hover,
.main-nav a[aria-current="page"]{ color: var(--white); border-color: var(--gold); }

.header-actions{ display: flex; align-items: center; gap: 1rem; flex: none; }

.whatsapp-btn{
  display: inline-flex;
  align-items: center;
  gap: .55em;
  padding: .68em 1.3em;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  color: var(--gold-soft);
  font-size: .84rem;
  letter-spacing: .06em;
  font-weight: 500;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}
.whatsapp-btn svg{ width: 17px; height: 17px; flex: none; }
.whatsapp-btn:hover{ background: var(--gold); color: var(--black); }
.whatsapp-btn--solid{ background: var(--gold); color: var(--black); }
.whatsapp-btn--solid:hover{ background: var(--gold-soft); }

.nav-toggle{
  display: none;
  flex: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: transparent;
  align-items: center;
  justify-content: center;
}
.nav-toggle span{
  position: relative;
  width: 18px; height: 1px; background: var(--white);
  display: block;
}
.nav-toggle span::before, .nav-toggle span::after{
  content: ""; position: absolute; left: 0; width: 18px; height: 1px; background: var(--white);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle span::before{ top: -6px; }
.nav-toggle span::after{ top: 6px; }
.nav-toggle[aria-expanded="true"] span{ background: transparent; }
.nav-toggle[aria-expanded="true"] span::before{ top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ top: 0; transform: rotate(-45deg); }

/* -------------------- Footer -------------------- */
.site-footer{
  background: var(--black);
  color: var(--gray-light);
  padding: clamp(3rem, 6vw, 4.5rem) 0 1.75rem;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.footer-brand img{ height: 90px; margin-bottom: 1.1rem; }
.footer-brand p{ font-size: .92rem; line-height: 1.7; max-width: 32ch; color: var(--gray-light); }
.footer-col h4{
  font-family: var(--font-body);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-weight: 500;
  margin-bottom: 1.1rem;
}
.footer-col ul{ display: flex; flex-direction: column; gap: .65rem; }
.footer-col a{ font-size: .92rem; color: var(--gray-light); transition: color .3s var(--ease); }
.footer-col a:hover{ color: var(--gold-soft); }
.footer-col p{ font-size: .92rem; color: var(--gray-light); }
.footer-bottom{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-dark);
  font-size: .82rem;
  color: var(--gray);
}

/* -------------------- WhatsApp flotante -------------------- */
.wa-float{
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: .6em;
  background: var(--black);
  color: var(--gold-soft);
  border: 1px solid var(--gold);
  padding: .85em 1.1em;
  border-radius: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,.28);
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease), transform .3s var(--ease);
}
.wa-float svg{ width: 22px; height: 22px; flex: none; }
.wa-float span{
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: max-width .35s var(--ease);
  font-size: .85rem;
  letter-spacing: .03em;
}
.wa-float:hover{ background: var(--gold); color: var(--black); }
.wa-float:hover span{ max-width: 160px; }

/* -------------------- Swatch placeholder (espacio para fotografía real) -------------------- 
   Patrón de trama textil en CSS: referencia directa al oficio, hasta que se
   incorporen fotografías reales del taller y los proyectos. */
.swatch{
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 2px, transparent 2px 10px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,.10) 0 2px, transparent 2px 10px),
    linear-gradient(160deg, var(--charcoal-3), var(--charcoal));
  display: flex;
  align-items: flex-end;
  color: var(--gray-light);
}
.swatch::after{
  content: "";
  position: absolute; inset: 10px;
  border: 1px solid rgba(201,162,92,.35);
  pointer-events: none;
}
.swatch-label{
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .55em;
  padding: 1rem 1.2rem;
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.swatch-label svg{ width: 15px; height: 15px; opacity: .85; flex: none; }
.swatch--light{
  background:
    repeating-linear-gradient(45deg, rgba(0,0,0,.04) 0 2px, transparent 2px 10px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,.06) 0 2px, transparent 2px 10px),
    linear-gradient(160deg, var(--paper-2), #e7e0d0);
}
.swatch--light .swatch-label{ color: var(--gold-dim); }
.swatch--light::after{ border-color: rgba(138,108,55,.35); }

/* -------------------- Tag de esquina (referencia a la etiqueta de una muestra de tela) -------------------- */
.corner-tag{
  position: absolute;
  top: 0; right: 0;
  width: 34px; height: 34px;
  background: var(--gold);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

/* ===================================================================
   HERO
   =================================================================== */
.hero{
  background: var(--black);
  color: var(--white);
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero .container{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-copy h1{
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  line-height: 1.08;
  color: var(--white);
  margin-top: .9rem;
}
.hero-copy h1 em{ font-style: italic; color: var(--gold-soft); }
.hero-copy p{
  margin-top: 1.4rem;
  font-size: 1.08rem;
  color: var(--gray-light);
  max-width: 46ch;
  line-height: 1.75;
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.hero-tags{
  display: flex; flex-wrap: wrap; gap: .6rem 1.6rem;
  margin-top: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-dark);
}
.hero-tags span{
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gray-light);
}
.hero-visual{
  aspect-ratio: 4/5;
  border-radius: var(--radius);
}
.hero-visual .swatch-label{ padding: 1.3rem; }

@media (max-width: 900px){
  .hero .container{ grid-template-columns: 1fr; }
  .hero-visual{ aspect-ratio: 16/10; order: -1; }
}

/* ===================================================================
   Grids de tarjetas: productos / servicios / features
   =================================================================== */
.grid{ display: grid; gap: var(--gap); }
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--4{ grid-template-columns: repeat(4, 1fr); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }

.section--paper{ background: var(--paper); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section--paper-2{ background: var(--paper-2); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section--dark{ background: var(--black); padding: clamp(3.5rem, 7vw, 6rem) 0; color: var(--white); }
.section--charcoal{ background: var(--charcoal); padding: clamp(3.5rem, 7vw, 6rem) 0; color: var(--white); }

.section-foot{
  margin-top: clamp(2.25rem, 4vw, 3rem);
  display: flex;
  justify-content: center;
}

/* Tarjeta de producto/categoría */
.lightbox-image {
  display: block;
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius);
}
.card{
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.swatch > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.card:hover{ transform: translateY(-4px); box-shadow: 0 18px 40px rgba(20,18,12,.10); border-color: var(--gold-dim); }
.card-media{ aspect-ratio: 5/4; position: relative; }
.card-media img{width: 100%;height: 100%;object-fit: cover;object-position: center;display: block;}
.card-body{ padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.card-cat{ font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-dim); }
.card-body h3{ font-size: 1.22rem; }
.card-body p{ color: var(--gray); font-size: .92rem; line-height: 1.6; flex: 1; }
.card-foot{ margin-top: .5rem; }

.card--dark{ background: var(--charcoal-2); border-color: var(--line-dark); }
.card--dark:hover{ box-shadow: 0 18px 40px rgba(0,0,0,.35); }
.card--dark .card-body h3{ color: var(--white); }
.card--dark .card-body p{ color: var(--gray-light); }

/* Servicio (horizontal) */
.service-card{
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
}
.service-card:nth-child(even){ grid-template-columns: 1.15fr 1fr; }
.service-card:nth-child(even) .service-media{ order: 2; }
.service-media{ position: relative; }
.service-body{ padding: clamp(1.75rem, 3vw, 2.75rem); display: flex; flex-direction: column; justify-content: center; gap: 1rem; }
.service-body h3{ font-size: clamp(1.35rem, 2vw, 1.7rem); }
.service-body p{ color: var(--gray); line-height: 1.75; }
.service-body .btn{ align-self: flex-start; margin-top: .4rem; }

@media (max-width: 760px){
  .service-card, .service-card:nth-child(even){ grid-template-columns: 1fr; }
  .service-card:nth-child(even) .service-media{ order: 0; }
  .service-media{ aspect-ratio: 16/10; }
}

/* Feature (por qué elegirnos) */
.feature{
  padding: 2rem 1.6rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--charcoal-2);
}
.feature-icon{
  width: 44px; height: 44px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.3rem;
  color: var(--gold-soft);
}
.feature-icon svg{ width: 20px; height: 20px; }
.feature h3{ color: var(--white); font-size: 1.12rem; margin-bottom: .6rem; }
.feature p{ color: var(--gray-light); font-size: .92rem; line-height: 1.7; }

/* CTA final */
.cta-final{
  background: linear-gradient(160deg, var(--charcoal), var(--black));
  color: var(--white);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  text-align: center;
  position: relative;
}
.cta-final .container{ max-width: 720px; }
.cta-final h2{ font-size: clamp(2rem, 4vw, 2.8rem); color: var(--white); }
.cta-final p{ margin-top: 1.1rem; color: var(--gray-light); font-size: 1.05rem; }
.cta-final .btn{ margin-top: 2rem; }

/* Chips de categoría (productos / galería) */
.filters{
  display: flex; flex-wrap: wrap; gap: .7rem;
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}
.filter-btn{
  padding: .55em 1.25em;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  background: transparent;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray);
  transition: all .3s var(--ease);
}
.filter-btn:hover{ border-color: var(--gold-dim); color: var(--gold-dim); }
.filter-btn.is-active{ background: var(--ink); border-color: var(--ink); color: var(--white); }

/* Galería */
.gallery-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .85rem;
}
.gallery-item{
  aspect-ratio: 1/1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 0;
  padding: 0;
  position: relative;
}
.gallery-item .swatch{ width: 100%; height: 100%; }
.gallery-item:nth-child(6n+1){ grid-row: span 2; aspect-ratio: auto; }

/* Lightbox */
.lightbox{
  position: fixed; inset: 0; z-index: 200;
  background: rgba(6,6,5,.94);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  opacity: 0; pointer-events: none;
  transition: opacity .3s var(--ease);
}
.lightbox.is-open{ opacity: 1; pointer-events: auto; }
.lightbox-inner{ max-width: 900px; width: 100%; }
.lightbox-inner .swatch{ width: 100%; aspect-ratio: 4/3; border-radius: var(--radius); }
.lightbox-caption{ color: var(--gray-light); text-align: center; margin-top: 1.1rem; font-size: .9rem; letter-spacing: .04em; }
.lightbox-close{
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  background: transparent; color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.lightbox-close:hover{ border-color: var(--gold); color: var(--gold-soft); }
.lightbox-nav{
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  background: transparent; color: var(--white);
  display: flex; align-items: center; justify-content: center;
}
.lightbox-nav:hover{ border-color: var(--gold); color: var(--gold-soft); }
.lightbox-prev{ left: 1.5rem; }
.lightbox-next{ right: 1.5rem; }

/* -------------------- Página interior: encabezado de página -------------------- */
.page-hero{
  background: var(--black);
  color: var(--white);
  padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
}
.page-hero .eyebrow{ color: var(--gold-soft); }
.page-hero h1{ color: var(--white); font-size: clamp(2.1rem, 4vw, 3rem); margin-top: .8rem; }
.page-hero p{ color: var(--gray-light); max-width: 62ch; margin-top: 1.1rem; font-size: 1.03rem; line-height: 1.75; }
.breadcrumb{
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gray);
  margin-bottom: .3rem;
}
.breadcrumb a{ color: var(--gray); }
.breadcrumb a:hover{ color: var(--gold-dim); }

/* -------------------- Contacto -------------------- */
.contact-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}
.contact-card{
  padding: clamp(1.75rem, 3vw, 2.25rem);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  background: var(--white);
  display: flex;
  gap: 1.1rem;
}
.contact-card .icon{
  width: 46px; height: 46px; flex: none;
  border: 1px solid var(--gold-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-dim);
}
.contact-card .icon svg{ width: 20px; height: 20px; }
.contact-card h3{ font-size: 1.05rem; margin-bottom: .35rem; }
.contact-card p{ color: var(--gray); font-size: .95rem; line-height: 1.65; }
.contact-card .pending{ color: var(--gold-dim); font-style: italic; }
.contact-map{
  grid-column: 1 / -1;
  width: 100%;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.contact-map iframe{
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}

/* -------------------- Nosotros -------------------- */
.about-block{
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.about-block:nth-child(even){ direction: rtl; }
.about-block:nth-child(even) > *{ direction: ltr; }
.about-block + .about-block{ margin-top: clamp(3rem, 6vw, 5rem); }
.about-visual{ aspect-ratio: 4/3; border-radius: var(--radius); }
.about-copy h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin-top: .7rem; }
.about-copy p{ color: var(--gray); margin-top: 1.1rem; line-height: 1.8; }
.value-list{ margin-top: 1.4rem; display: flex; flex-direction: column; gap: .75rem; }
.value-list li{ display: flex; gap: .7rem; align-items: baseline; color: var(--ink); font-size: .98rem; }
.value-list li::before{ content: "—"; color: var(--gold-dim); }

@media (max-width: 820px){
  .about-block, .about-block:nth-child(even){ grid-template-columns: 1fr; direction: ltr; }
}

/* -------------------- Reveal on scroll -------------------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity: 1; transform: none; }

/* -------------------- Mobile nav -------------------- */
.mobile-nav{
  position: fixed;
  inset: 88px 0 0 0;
  background: var(--black);
  z-index: 99;
  padding: 2rem clamp(1.25rem, 6vw, 2.5rem);
  transform: translateX(100%);
  transition: transform .4s var(--ease);
  overflow-y: auto;
}
.mobile-nav.is-open{ transform: translateX(0); }
.mobile-nav ul{ display: flex; flex-direction: column; gap: 0; }
.mobile-nav a{
  display: block;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white);
}
.mobile-nav .whatsapp-btn{ margin-top: 2rem; justify-content: center; width: 100%; }

.service-media {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* ===================================================================
   Responsive
   =================================================================== */
@media (max-width: 980px){
  .grid--4{ grid-template-columns: repeat(2, 1fr); }
  .grid--3{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .gallery-grid{ grid-template-columns: repeat(3, 1fr); }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .main-nav{ display: none; }
  .nav-toggle{ display: inline-flex; }
  .site-header .container{ height: 76px; }
  .brand img{ height: 42px; }
  .header-actions .whatsapp-btn span{ display: none; }
  .header-actions .whatsapp-btn{ padding: .68em .85em; }
  .mobile-nav{ top: 76px; }
  .grid--3, .grid--4{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr; gap: 2.25rem; }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery-item:nth-child(6n+1){ grid-row: auto; aspect-ratio: 1/1; }
}

@media (max-width: 520px){
  .grid--3, .grid--4{ grid-template-columns: 1fr; }
  .hero-actions{ flex-direction: column; align-items: stretch; }
  .hero-actions .btn{ width: 100%; }
}