/* =====================================================================
   TERCER ESTUDIO — styles.css
   Paleta editorial: crema, arena, piedra, terracota, negro mate.
   Firma: listones verticales (lambrín / "tercer" = tres).
   ===================================================================== */

:root{
  /* Color */
  --cream:      #F3EDE3;
  --cream-2:    #EBE2D3;   /* fondo alterno */
  --sand:       #DFD1BB;
  --stone:      #C3B096;
  --ink:        #16130F;   /* negro mate */
  --ink-2:      #241F19;
  --clay:       #9E5A3B;   /* terracota profunda (acento) */
  --clay-soft:  #B5714E;
  --ochre:      #B07E42;   /* madera / miel */
  --text:       #33302A;
  --muted:      #6F675B;
  --muted-light:#B7AC9B;
  --line:       rgba(22,19,15,.14);
  --line-light: rgba(243,237,227,.22);

  /* Type */
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans:  "Jost", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Layout */
  --wrap: 1240px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --ease: cubic-bezier(.22,.61,.36,1);

  --header-h: 76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }
body{
  margin:0;
  font-family:var(--sans);
  font-weight:400;
  color:var(--text);
  background:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ margin:0; font-weight:400; }
em{ font-style:italic; }
button{ font-family:inherit; }

/* ---------- Utilities ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding-block:clamp(4.5rem, 9vw, 8.5rem); }

.eyebrow{
  font-size:.72rem; font-weight:500; letter-spacing:.28em;
  text-transform:uppercase; color:var(--clay);
  margin:0 0 1.4rem;
}
.eyebrow--light{ color:var(--sand); }

.section-title{
  font-family:var(--serif);
  font-weight:300;
  font-size:clamp(2.2rem, 5.2vw, 4rem);
  line-height:1.04;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-title em{ color:var(--clay); }
.section-title--light{ color:var(--cream); }
.section-title--light em{ color:var(--ochre); }

.section-head{ margin-bottom:clamp(2.5rem,5vw,4rem); max-width:34rem; }
.section-head--split{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:2rem; max-width:none; flex-wrap:wrap;
}
.section-head__note{ max-width:34ch; color:var(--muted); font-size:1.02rem; margin:0; }

.skip-link{
  position:fixed; left:1rem; top:-100px; z-index:2000;
  background:var(--ink); color:var(--cream); padding:.7rem 1.1rem;
  border-radius:2px; transition:top .2s;
}
.skip-link:focus{ top:1rem; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--sans); font-weight:500; font-size:.82rem;
  letter-spacing:.12em; text-transform:uppercase;
  padding:1rem 1.9rem; border-radius:2px; cursor:pointer;
  transition:transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  border:1px solid transparent; will-change:transform;
}
.btn:hover{ transform:translateY(-3px); }
.btn--solid{ background:var(--clay); color:var(--cream); }
.btn--solid:hover{ background:var(--clay-soft); }
.btn--ghost{ border-color:var(--sand); color:var(--cream); }
.btn--ghost:hover{ background:rgba(243,237,227,.12); }
.btn--dark{ background:var(--ink); color:var(--cream); }
.btn--dark:hover{ background:var(--ink-2); }

.link-underline{
  position:relative; font-weight:500; font-size:.8rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink);
  padding-bottom:.35rem;
}
.link-underline::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:var(--clay); transform:scaleX(.4); transform-origin:left;
  transition:transform .4s var(--ease);
}
.link-underline:hover::after{ transform:scaleX(1); }

/* ---------- Signature: slat glyph ---------- */
.slat-glyph{ display:inline-flex; gap:3px; align-items:flex-end; }
.slat-glyph i{
  display:block; width:2px; height:16px; background:currentColor; border-radius:2px;
}
.slat-glyph i:nth-child(1){ height:11px; }
.slat-glyph i:nth-child(2){ height:16px; }
.slat-glyph i:nth-child(3){ height:13px; }
.slat-glyph--sm i{ width:2px; }

.slat-rule{
  display:block; width:56px; height:34px; margin-top:1.6rem;
  background-image:repeating-linear-gradient(90deg, var(--clay) 0 2px, transparent 2px 9px);
}

/* =====================================================================
   PRELOADER
   ===================================================================== */
.preloader{
  position:fixed; inset:0; z-index:1500;
  display:grid; place-items:center;
  background:var(--ink);
  transition:opacity .7s var(--ease), visibility .7s;
}
.preloader.is-done{ opacity:0; visibility:hidden; }
.preloader__mark{
  display:flex; align-items:center; gap:.9rem; color:var(--cream);
  opacity:0; animation:preIn .8s var(--ease) .1s forwards;
}
.preloader__mark .slat-glyph i{ height:22px; width:3px;
  transform:scaleY(0); transform-origin:bottom;
  animation:slatUp .6s var(--ease) forwards;
}
.preloader__mark .slat-glyph i:nth-child(1){ animation-delay:.15s; }
.preloader__mark .slat-glyph i:nth-child(2){ animation-delay:.3s; }
.preloader__mark .slat-glyph i:nth-child(3){ animation-delay:.45s; }
.preloader__word{
  font-family:var(--serif); font-size:1.5rem; letter-spacing:.06em;
}
@keyframes preIn{ to{ opacity:1; } }
@keyframes slatUp{ to{ transform:scaleY(1); } }

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  height:var(--header-h);
}
.site-header.is-scrolled{
  background:rgba(243,237,227,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--line);
}
/* While the menu is open, drop the blur: backdrop-filter turns the header
   into the containing block for the fixed curtain and would clip it. */
body.nav-open .site-header{
  background:transparent;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  box-shadow:none;
  border-color:transparent;
}

.brand{ display:inline-flex; align-items:center; gap:.7rem; color:var(--cream); transition:color .4s; }
.site-header.is-scrolled .brand{ color:var(--ink); }
.brand__name{ font-family:var(--serif); font-size:1.35rem; letter-spacing:.04em; }
.brand__name em{ color:var(--clay); }

.nav__list{ display:flex; gap:clamp(1.1rem,2.2vw,2.2rem); }
.nav__list a{
  font-size:.82rem; font-weight:400; letter-spacing:.08em;
  color:var(--cream); position:relative; padding:.3rem 0; transition:color .4s;
}
.site-header.is-scrolled .nav__list a{ color:var(--text); }
.nav__list a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:100%;
  background:var(--clay); transform:scaleX(0); transform-origin:right;
  transition:transform .35s var(--ease);
}
.nav__list a:hover::after,.nav__list a:focus-visible::after{ transform:scaleX(1); transform-origin:left; }

.header__cta{
  font-size:.78rem; font-weight:500; letter-spacing:.14em; text-transform:uppercase;
  padding:.7rem 1.3rem; border:1px solid var(--sand); color:var(--cream);
  border-radius:2px; transition:background .35s, color .35s, border-color .35s;
}
.site-header.is-scrolled .header__cta{ border-color:var(--ink); color:var(--ink); }
.header__cta:hover{ background:var(--clay); border-color:var(--clay); color:var(--cream); }

.burger{
  display:none; width:40px; height:40px; background:none; border:0; cursor:pointer;
  position:relative;
}
.burger span{
  position:absolute; left:8px; right:8px; height:1.6px; background:var(--cream);
  transition:transform .35s var(--ease), opacity .25s, background .4s;
}
.site-header.is-scrolled .burger span{ background:var(--ink); }
.burger span:nth-child(1){ top:15px; }
.burger span:nth-child(2){ bottom:15px; }
body.nav-open .burger span{ background:var(--cream); }
body.nav-open .burger span:nth-child(1){ transform:translateY(5px) rotate(45deg); }
body.nav-open .burger span:nth-child(2){ transform:translateY(-5px) rotate(-45deg); }

/* =====================================================================
   HERO
   ===================================================================== */
.hero{
  position:relative; min-height:100svh;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding-top:var(--header-h); overflow:hidden;
}
.hero__media{ position:absolute; inset:0; z-index:-1; }
.hero__media img{
  width:100%; height:120%; object-fit:cover; object-position:center 60%;
  will-change:transform;
}
.hero__scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(12,10,8,.45) 0%, rgba(12,10,8,.05) 26%, rgba(12,10,8,.35) 62%, rgba(12,10,8,.82) 100%),
    linear-gradient(90deg, rgba(12,10,8,.5) 0%, rgba(12,10,8,0) 55%);
}
.hero__content{ padding-bottom:clamp(2rem,6vw,4rem); position:relative; }
.eyebrow--light.eyebrow{ color:var(--sand); }
.hero__title{
  font-family:var(--serif); font-weight:300; color:var(--cream);
  font-size:clamp(3rem, 10vw, 8rem); line-height:.98; letter-spacing:-.015em;
  margin:0 0 1.6rem;
}
.hero__title span{ display:block; }
.hero__title em{ color:var(--sand); }
.hero__lede{
  color:rgba(243,237,227,.9); max-width:44ch; font-size:clamp(1rem,1.6vw,1.2rem);
  margin:0 0 2.2rem; font-weight:300;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:1rem; }

.hero__foot{
  display:flex; align-items:center; justify-content:flex-start;
  padding-bottom:1.6rem; border-top:1px solid rgba(243,237,227,.18);
  padding-top:1.3rem; margin-top:clamp(2rem,5vw,3rem);
}
.hero__place{
  color:var(--sand); font-size:.78rem; letter-spacing:.2em; text-transform:uppercase;
}

/* =====================================================================
   ESTUDIO
   ===================================================================== */
.studio{ background:var(--cream); }
.studio__grid{ display:grid; grid-template-columns:minmax(0,.28fr) minmax(0,.72fr); gap:clamp(2rem,5vw,4rem); }
.studio__aside .eyebrow{ margin-bottom:0; }
.studio__statement{
  font-family:var(--serif); font-weight:300;
  font-size:clamp(1.5rem, 3vw, 2.35rem); line-height:1.3; color:var(--ink);
  margin:0 0 clamp(2.5rem,5vw,3.5rem); max-width:24ch;
}
.studio__statement em{ color:var(--clay); }
.studio__meta{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(1.5rem,3vw,2.5rem); }
.stat__num{ font-family:var(--serif); font-size:1.1rem; color:var(--clay); display:block; margin-bottom:.6rem; }
.stat__label{ font-weight:500; font-size:.95rem; margin:0 0 .5rem; color:var(--ink); }
.stat__text{ font-size:.92rem; color:var(--muted); margin:0; }

/* =====================================================================
   ENFOQUE / PILARES
   ===================================================================== */
.focus{ background:var(--cream-2); }
.focus__head{ max-width:38rem; margin-bottom:clamp(2.8rem,5vw,4rem); }
.pillars{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:clamp(1.5rem,3vw,2.75rem);
  border-top:1px solid var(--line); padding-top:clamp(2rem,4vw,3rem);
}
.pillar{ display:flex; flex-direction:column; }
.pillar__icon{
  width:52px; height:52px; color:var(--clay); margin-bottom:1.3rem;
  display:inline-flex;
}
.pillar__icon svg{ width:100%; height:100%; }
.pillar__title{
  font-family:var(--serif); font-weight:500; font-size:clamp(1.2rem,2vw,1.45rem);
  line-height:1.15; color:var(--ink); margin:0 0 .6rem;
}
.pillar__text{ font-size:.94rem; color:var(--muted); margin:0; }

/* =====================================================================
   SERVICIOS
   ===================================================================== */
.services{ background:var(--cream-2); }
.services__list{ border-top:1px solid var(--line); }
.service{
  display:grid; grid-template-columns:auto 1fr auto; align-items:center;
  gap:clamp(1.2rem,4vw,3.5rem);
  padding:clamp(1.8rem,4vw,3rem) 0; border-bottom:1px solid var(--line);
  transition:padding-left .5s var(--ease);
}
.service:hover{ padding-left:clamp(.5rem,2vw,1.5rem); }
.service__index{ font-family:var(--serif); font-size:1.1rem; color:var(--clay); }
.service__name{ font-family:var(--serif); font-weight:400; font-size:clamp(1.6rem,3.5vw,2.6rem); color:var(--ink); line-height:1.05; }
.service__text{ color:var(--muted); max-width:52ch; margin:.6rem 0 0; font-size:1rem; }
.service__main{ display:block; }
.service .slat-glyph{ color:var(--stone); transition:color .4s; }
.service:hover .slat-glyph{ color:var(--clay); }
.slat-glyph--sm i{ height:20px; }
.slat-glyph--sm i:nth-child(1){ height:13px; }
.slat-glyph--sm i:nth-child(3){ height:16px; }

/* =====================================================================
   PROYECTOS
   ===================================================================== */
.projects{ background:var(--cream); padding-bottom:clamp(3rem,6vw,6rem); }
.projects__feature{
  position:relative; margin-block:clamp(1rem,3vw,2rem) clamp(3rem,6vw,5rem);
  overflow:hidden;
}
.projects__feature img{
  width:100%; height:clamp(320px,60vh,640px); object-fit:cover;
}
.projects__caption{
  position:absolute; left:0; bottom:0; right:0;
  padding:clamp(1.4rem,4vw,3rem);
  padding-inline:var(--gutter);
  background:linear-gradient(0deg, rgba(12,10,8,.8), rgba(12,10,8,0));
  color:var(--cream);
}
.projects__tag{ font-size:.72rem; letter-spacing:.22em; text-transform:uppercase; color:var(--sand); }
.projects__title{ font-family:var(--serif); font-weight:400; font-size:clamp(1.6rem,4vw,2.6rem); margin:.4rem 0 .5rem; }
.projects__caption p{ max-width:52ch; color:rgba(243,237,227,.85); margin:0; font-size:.98rem; }

.projects__row{ display:grid; grid-template-columns:1.35fr .65fr; gap:clamp(1.5rem,4vw,3.5rem); align-items:center; }
.projects__side{ margin:0; overflow:hidden; }
.projects__side img{ width:100%; height:clamp(260px,42vh,460px); object-fit:cover; transition:transform 1.2s var(--ease); }
.projects__side:hover img{ transform:scale(1.04); }
.projects__side figcaption{ margin-top:.9rem; font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); }
.projects__aside-text{ font-family:var(--serif); font-size:clamp(1.3rem,2.4vw,1.8rem); font-weight:300; line-height:1.35; color:var(--ink); margin:0 0 1.6rem; }

/* =====================================================================
   MATERIALES
   ===================================================================== */
.materials{ background:var(--ink); color:var(--cream); }
.materials .eyebrow{ color:var(--ochre); }
.materials .section-title{ color:var(--cream); }
.materials .section-title em{ color:var(--ochre); }
.materials__intro{ display:flex; justify-content:space-between; align-items:flex-end; gap:2.5rem; flex-wrap:wrap; margin-bottom:clamp(2.5rem,5vw,4rem); }
.materials__lead{ max-width:38ch; color:var(--muted-light); margin:0; font-size:1.02rem; }
.materials__grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4.5rem); align-items:start; }
.materials__visual{ margin:0; position:sticky; top:calc(var(--header-h) + 2rem); overflow:hidden; }
.materials__visual img{ width:100%; height:auto; }
.materials__visual figcaption{ margin-top:1rem; font-size:.76rem; letter-spacing:.16em; text-transform:uppercase; color:var(--muted-light); }

.material{
  display:grid; grid-template-columns:auto 1fr; gap:1.4rem; align-items:start;
  padding:clamp(1.3rem,2.5vw,1.8rem) 0; border-top:1px solid var(--line-light);
}
.material:last-child{ border-bottom:1px solid var(--line-light); }
.material__num{ font-family:var(--serif); font-size:1.05rem; color:var(--ochre); padding-top:.15rem; }
.material__name{ font-family:var(--serif); font-weight:400; font-size:clamp(1.35rem,2.6vw,1.9rem); color:var(--cream); line-height:1.1; }
.material__text{ color:var(--muted-light); margin:.5rem 0 0; font-size:.96rem; max-width:44ch; }

.materials__cta{
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem; flex-wrap:wrap;
  margin-top:clamp(3rem,6vw,5rem); padding-top:clamp(2rem,4vw,3rem); border-top:1px solid var(--line-light);
}
.materials__cta p{ font-family:var(--serif); font-size:clamp(1.4rem,3vw,2rem); font-weight:300; color:var(--cream); margin:0; }
.materials__cta .btn--dark{ background:var(--clay); }
.materials__cta .btn--dark:hover{ background:var(--clay-soft); }

/* =====================================================================
   PROCESO
   ===================================================================== */
.process{ background:var(--ink-2); color:var(--cream); position:relative; }
.process .eyebrow{ color:var(--sand); }
.process__steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(1.5rem,4vw,3.5rem); }
.process__step{ border-top:1px solid var(--line-light); padding-top:1.6rem; }
.process__num{ font-family:var(--serif); font-size:2.6rem; font-weight:300; color:var(--ochre); display:block; line-height:1; margin-bottom:1rem; }
.process__step h3{ font-family:var(--serif); font-weight:400; font-size:1.6rem; color:var(--cream); margin:0 0 .6rem; }
.process__step p{ color:var(--muted-light); margin:0; font-size:.98rem; max-width:34ch; }

/* =====================================================================
   CONTACTO
   ===================================================================== */
.contact{ background:var(--cream); }
.contact__grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2.5rem,5vw,5rem); align-items:center; }
.contact__title{ font-family:var(--serif); font-weight:300; font-size:clamp(2.4rem,5vw,4rem); line-height:1.02; color:var(--ink); margin:.4rem 0 1rem; }
.contact__title em{ color:var(--clay); }
.contact__lede{ color:var(--muted); max-width:38ch; margin:0 0 2.4rem; font-size:1.05rem; }
.contact__list{ display:grid; gap:.2rem; }
.contact__list li{
  display:grid; grid-template-columns:9rem 1fr; align-items:baseline; gap:1rem;
  padding:1rem 0; border-top:1px solid var(--line);
}
.contact__list li:last-child{ border-bottom:1px solid var(--line); }
.contact__label{ font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--muted); }
.contact__list a{ font-family:var(--serif); font-size:clamp(1.3rem,2.4vw,1.7rem); color:var(--ink); transition:color .3s; }
.contact__list a:hover{ color:var(--clay); }

.contact__map{
  position:relative; display:block; overflow:hidden; border-radius:3px;
  aspect-ratio:4/3; background:var(--sand);
}
.contact__map img{ width:100%; height:100%; object-fit:cover; transition:transform 1.2s var(--ease); filter:saturate(.9) contrast(1.02); }
.contact__map:hover img{ transform:scale(1.05); }
.contact__map::after{ content:""; position:absolute; inset:0; background:linear-gradient(0deg, rgba(12,10,8,.55), rgba(12,10,8,0) 55%); }
.contact__pin{
  position:absolute; top:44%; left:50%; width:16px; height:16px; z-index:2;
  transform:translate(-50%,-50%);
}
.contact__pin::before{
  content:""; position:absolute; inset:0; border-radius:50%;
  background:var(--clay); box-shadow:0 0 0 5px rgba(158,90,59,.3);
}
.contact__pin::after{
  content:""; position:absolute; inset:-10px; border-radius:50%;
  border:2px solid var(--clay); animation:ping 2.2s var(--ease) infinite;
}
@keyframes ping{ 0%{ transform:scale(.6); opacity:.9; } 100%{ transform:scale(1.6); opacity:0; } }
.contact__map-cta{ position:absolute; left:0; bottom:0; z-index:2; padding:1.4rem 1.6rem; color:var(--cream); }
.contact__map-place{ display:block; font-family:var(--serif); font-size:1.3rem; }
.contact__map-open{ display:block; font-size:.78rem; letter-spacing:.12em; text-transform:uppercase; color:var(--sand); margin-top:.2rem; }

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer{ background:var(--ink); color:var(--cream); padding-top:clamp(3rem,6vw,5rem); }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem; padding-bottom:clamp(2.5rem,5vw,4rem); border-bottom:1px solid var(--line-light); align-items:start; }
.brand--footer{ color:var(--cream); }
.brand--footer .brand__name em{ color:var(--ochre); }
.footer__sub{
  font-size:.72rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--ochre); margin:1rem 0 0;
}
.footer__tag{ font-family:var(--serif); font-size:1.35rem; font-weight:300; color:var(--sand); margin:.5rem 0 0; font-style:italic; }
.footer__nav,.footer__social{ display:grid; gap:.9rem; align-content:start; }
.footer__nav a,.footer__social a{ font-size:.9rem; color:var(--muted-light); letter-spacing:.04em; transition:color .3s; width:max-content; }
.footer__nav a:hover,.footer__social a:hover{ color:var(--cream); }
.footer__base{
  display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap;
  padding-block:1.6rem 1.8rem; font-size:.78rem; color:var(--muted-light); letter-spacing:.04em;
}
.footer__slogan{
  border-top:1px solid var(--line-light);
  text-align:center; padding-block:1.5rem 2rem;
}
.footer__slogan span{
  font-size:.74rem; letter-spacing:.42em; text-transform:uppercase; color:var(--sand);
  display:block;
}

/* =====================================================================
   WHATSAPP FLOAT
   ===================================================================== */
.wa-float{
  position:fixed; right:clamp(1rem,3vw,2rem); bottom:clamp(1rem,3vw,2rem); z-index:1200;
  display:inline-flex; align-items:center; gap:.7rem;
  background:#1f8a56; color:#fff; padding:.85rem; border-radius:50px;
  box-shadow:0 12px 30px rgba(16,80,48,.35);
  transition:transform .4s var(--ease), padding .4s var(--ease), background .3s;
}
.wa-float:hover{ background:#25a862; transform:translateY(-3px); padding-right:1.4rem; }
.wa-float__icon{ width:30px; height:30px; flex:none; }
.wa-float__label{
  max-width:0; overflow:hidden; white-space:nowrap; font-size:.86rem; font-weight:500;
  letter-spacing:.03em; opacity:0; transition:max-width .4s var(--ease), opacity .3s;
}
.wa-float:hover .wa-float__label,.wa-float:focus-visible .wa-float__label{ max-width:120px; opacity:1; }
.wa-float__pulse{
  position:absolute; inset:0; border-radius:50px; background:#1f8a56; z-index:-1;
  animation:wapulse 2.4s var(--ease) infinite;
}
@keyframes wapulse{ 0%{ transform:scale(1); opacity:.55; } 70%,100%{ transform:scale(1.5); opacity:0; } }

/* =====================================================================
   REVEAL ANIMATIONS
   ===================================================================== */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease), transform .9s var(--ease); transition-delay:var(--d,0s); }
.reveal.is-in{ opacity:1; transform:none; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width:1024px){
  .studio__grid{ grid-template-columns:1fr; }
  .materials__visual{ position:static; }
}

@media (max-width:860px){
  .header__cta{ display:none; }
  /* Keep the toggle and logo above the curtain so the X is always visible */
  .burger{ display:block; z-index:30; }
  .brand{ position:relative; z-index:30; }

  /* Full-screen curtain: reliable fade + slide, no clip-path quirks */
  .nav{
    position:fixed; inset:0; z-index:20;
    background:var(--ink);
    display:flex; align-items:center; justify-content:center;
    opacity:0; visibility:hidden; transform:translateY(-12px);
    transition:opacity .45s var(--ease), transform .5s var(--ease), visibility 0s linear .5s;
  }
  body.nav-open .nav{
    opacity:1; visibility:visible; transform:none;
    transition:opacity .45s var(--ease), transform .5s var(--ease), visibility 0s;
  }
  body.nav-open{ overflow:hidden; }

  .nav__list{ flex-direction:column; text-align:center; gap:1.4rem; }
  .nav__list li{
    opacity:0; transform:translateY(14px);
    transition:opacity .5s var(--ease), transform .5s var(--ease);
  }
  body.nav-open .nav__list li{ opacity:1; transform:none; }
  body.nav-open .nav__list li:nth-child(1){ transition-delay:.12s; }
  body.nav-open .nav__list li:nth-child(2){ transition-delay:.18s; }
  body.nav-open .nav__list li:nth-child(3){ transition-delay:.24s; }
  body.nav-open .nav__list li:nth-child(4){ transition-delay:.30s; }
  body.nav-open .nav__list li:nth-child(5){ transition-delay:.36s; }
  body.nav-open .nav__list li:nth-child(6){ transition-delay:.42s; }
  .nav__list a{ color:var(--cream); font-family:var(--serif); font-size:2rem; letter-spacing:.02em; }
  .nav__list a::after{ display:none; }
  .nav__list a:active{ color:var(--sand); }

  /* Open state must beat the scrolled-header colors (higher specificity).
     Keeps links, logo and the close X legible cream on the dark curtain. */
  body.nav-open .site-header .nav__list a{ color:var(--cream); }
  body.nav-open .site-header .brand{ color:var(--cream); }
  body.nav-open .site-header .brand__name em{ color:var(--ochre); }
  body.nav-open .site-header .burger span{ background:var(--cream); }

  .studio__meta{ grid-template-columns:1fr; gap:1.8rem; }
  .pillars{ grid-template-columns:repeat(2,1fr); gap:2rem 1.5rem; }
  .service{ grid-template-columns:auto 1fr; }
  .service .slat-glyph{ display:none; }
  .projects__row{ grid-template-columns:1fr; }
  .materials__grid{ grid-template-columns:1fr; }
  .materials__intro{ flex-direction:column; align-items:flex-start; gap:1.2rem; }
  .process__steps{ grid-template-columns:1fr; }
  .contact__grid{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr; gap:2rem; }
  .footer__base{ flex-direction:column; gap:.4rem; }
}

/* Mobile hero: landscape photo doesn't fit a portrait screen, so switch to
   an editorial layout — full-width image banner on top, text below. */
@media (max-width:680px){
  .hero{
    min-height:auto; display:block;
    padding-top:0; background:var(--ink);
  }
  .hero__media{
    position:relative; inset:auto; z-index:0; height:auto;
    margin-top:var(--header-h);
  }
  .hero__media img{
    position:relative; width:100%; height:auto;
    aspect-ratio:1.72; object-fit:cover; object-position:center 38%;
  }
  .hero__scrim{
    background:linear-gradient(180deg,
      rgba(12,10,8,.30) 0%, rgba(12,10,8,0) 24%,
      rgba(12,10,8,0) 50%, rgba(22,19,15,.55) 72%, var(--ink) 88%);
  }
  .hero__content{
    position:relative; background:var(--ink);
    padding-top:2rem; padding-bottom:1.2rem;
  }
  .hero__title{ margin-bottom:1.1rem; }
  .hero__lede{ margin-bottom:1.7rem; }
  .hero__foot{ margin-top:1.8rem; }
}

@media (max-width:520px){
  .hero__foot{ flex-direction:column; align-items:flex-start; gap:1rem; }
  .hero__actions{ width:100%; }
  .hero__actions .btn{ flex:1; }
  .pillars{ grid-template-columns:1fr; gap:1.8rem; }
  .contact__list li{ grid-template-columns:1fr; gap:.2rem; }
  .materials__cta{ flex-direction:column; align-items:flex-start; }
  .section-head--split{ align-items:flex-start; }
  .footer__slogan span{ letter-spacing:.28em; }
}

/* =====================================================================
   ACCESSIBILITY
   ===================================================================== */
:focus-visible{ outline:2px solid var(--clay); outline-offset:3px; border-radius:2px; }
.site-header.is-scrolled :focus-visible,.hero :focus-visible{ outline-color:var(--clay); }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
  .hero__media img{ height:100%; }
}