/* ============ Carpintería Lindavista — estilo Alba (B/N puro) ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#0a0a0a;
  --ink-soft:#1a1a1a;
  --muted:#4a4a4a;
  --line:#e6e6e6;
  --paper:#ffffff;
  --paper-2:#f6f6f4;
  --white:#fff;
  --black:#000;
  --shadow:0 20px 60px rgba(0,0,0,.08);
}
html{scroll-behavior:smooth}
html,body{max-width:100%;overflow-x:hidden}
body{
  font-family:'Inter','Jost',-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.65;
  font-size:17px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
section{position:relative}

.serif{font-family:'Cormorant Garamond','Playfair Display',Georgia,serif;font-weight:300;letter-spacing:.005em}
.eyebrow{display:inline-block;font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:.28em;color:var(--ink);margin-bottom:1.2rem}
.eyebrow.on-dark{color:rgba(255,255,255,.7)}
.rule{width:36px;height:1px;background:var(--ink);margin:1.1rem 0 1.6rem}
.rule.center{margin-left:auto;margin-right:auto}
.rule.on-dark{background:rgba(255,255,255,.6)}

/* ============ NAV ============ */
nav.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:96px;
  padding:0 2rem;
  display:flex;align-items:center;justify-content:space-between;
  background:transparent;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
nav.site-nav.solid{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);
  border-bottom-color:transparent;
  box-shadow:none;
}
.nav-brand{
  display:flex;align-items:center;gap:.9rem;
  font-family:'Cormorant Garamond',Georgia,serif;
  font-size:1.85rem;font-weight:400;font-style:italic;
  letter-spacing:.01em;
  color:var(--white);
}
.nav-brand img{width:64px;height:64px;object-fit:cover;border-radius:50%;background:rgba(255,255,255,.1)}
.nav-brand span{display:block;line-height:1}
nav.site-nav.solid .nav-brand{color:var(--ink)}
nav.site-nav.solid .nav-brand img{background:transparent;filter:invert(1)}

.nav-links{display:flex;align-items:center;gap:2.4rem}
.nav-links a{
  position:relative;
  font-size:.78rem;font-weight:500;letter-spacing:.18em;
  text-transform:uppercase;
  color:rgba(255,255,255,.85);
  transition:color .2s;
}
.nav-links a:hover{color:var(--white)}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:currentColor;
}
nav.site-nav.solid .nav-links a{color:var(--ink-soft)}
nav.site-nav.solid .nav-links a:hover{color:var(--black)}

.nav-toggle{
  display:none;
  width:42px;height:42px;border:none;background:transparent;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  z-index:200;
}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--white);transition:transform .35s, opacity .25s, background .25s}
nav.site-nav.solid .nav-toggle span{background:var(--ink)}
.nav-toggle.open span{background:var(--ink)}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{
  position:relative;
  width:100vw;
  height:100vh;
  height:100svh;
  min-height:560px;
  overflow:hidden;
  color:var(--white);
  background:#0a0a0a;
}
.hero-carousel{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.5s ease-in-out}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;animation:heroZoom 9s ease-out forwards}
.hero-slide.active img{animation:heroZoom 9s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.06)}to{transform:scale(1)}}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.2) 40%,rgba(0,0,0,.6) 100%);z-index:1}
.hero-content{
  position:relative;z-index:2;
  width:100%;max-width:1280px;margin:0 auto;
  height:100%;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  padding:0 2rem;
}
.hero-kicker{font-size:.72rem;font-weight:500;letter-spacing:.36em;text-transform:uppercase;color:rgba(255,255,255,.75);margin-bottom:1.6rem}
.hero h1{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:300;
  font-size:clamp(2.6rem, 6.5vw, 5.4rem);
  line-height:1.02;
  letter-spacing:.005em;
  max-width:14ch;
  margin-bottom:1.4rem;
}
.hero h1 em{font-style:italic;font-weight:300}
.hero-sub{
  max-width:520px;
  font-size:1.1rem;
  line-height:1.7;
  color:rgba(255,255,255,.92);
  margin-bottom:2.4rem;
  font-weight:400;
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}

/* Botones tipo Alba */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  min-height:48px;
  padding:.85rem 1.6rem;
  font-family:inherit;
  font-size:.74rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;
  border:1px solid currentColor;
  background:transparent;
  color:var(--white);
  cursor:pointer;
  transition:background .25s, color .25s, border-color .25s, transform .25s;
}
.btn:hover{background:var(--white);color:var(--ink);transform:translateY(-1px)}
.btn-dark{color:var(--ink);border-color:var(--ink)}
.btn-dark:hover{background:var(--ink);color:var(--white)}
.btn-fill{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn-fill:hover{background:var(--white);color:var(--ink)}

/* Hero indicadores */
.hero-dots{
  display:none;
}
.hero-dot{
  width:30px;height:1px;background:rgba(255,255,255,.35);border:none;cursor:pointer;
  transition:background .3s,transform .3s,height .3s;
  padding:0;
}
.hero-dot.active{background:var(--white);height:2px}
.hero-scroll{display:none}
.hero-scroll::after{content:'';display:block;width:40px;height:1px;background:rgba(255,255,255,.5)}

/* ============ Secciones genéricas ============ */
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 2rem}
.section{padding:7rem 0}
.section-tight{padding:5rem 0}
.section-dark{background:var(--ink);color:var(--white)}
.section-cream{background:var(--paper-2)}

.section-head{width:100%;max-width:none;margin-bottom:4rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;max-width:780px}
.section-head h2{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:300;
  font-size:clamp(2rem, 4.5vw, 3.6rem);
  line-height:1.05;
  letter-spacing:.005em;
  margin-bottom:1.3rem;
}
.section-head h2 em{font-style:italic;font-weight:300}
.section-head p{color:var(--muted);font-size:1.08rem;line-height:1.8;max-width:640px;font-weight:400}
.section-dark .section-head p{color:rgba(255,255,255,.7)}

/* ============ Page header (sub-páginas) ============ */
.page-header{
  padding:13rem 0 5rem;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.page-header h1{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:300;
  font-size:clamp(2.4rem, 5.5vw, 4.2rem);
  line-height:1.05;
  max-width:18ch;
  margin-bottom:1.4rem;
}
.page-header p{color:var(--muted);font-size:1.12rem;line-height:1.75;max-width:620px;font-weight:400}

/* ============ FOOTER ============ */
footer.site-footer{
  background:var(--ink);
  color:var(--white);
  padding:5rem 0 2.5rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:3rem;
  padding-bottom:4rem;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand-block .footer-brand{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-size:1.6rem;text-transform:uppercase;letter-spacing:.18em;font-weight:400;
  margin-bottom:.4rem;
}
.footer-brand-block small{font-size:.7rem;letter-spacing:.32em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.footer-brand-block p{margin-top:1.5rem;color:rgba(255,255,255,.78);font-size:.98rem;line-height:1.7;max-width:320px;font-weight:400}
.footer-col h4{
  font-size:.7rem;font-weight:500;letter-spacing:.28em;text-transform:uppercase;
  color:rgba(255,255,255,.55);
  margin-bottom:1.5rem;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:.85rem}
.footer-col a{color:rgba(255,255,255,.85);font-size:.92rem;transition:color .2s}
.footer-col a:hover{color:var(--white)}
.footer-bottom{
  padding-top:2rem;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;
  color:rgba(255,255,255,.45);
  font-size:.78rem;letter-spacing:.1em;
}
.footer-social{display:flex;gap:1.2rem}
.footer-social a{display:flex;color:rgba(255,255,255,.7);transition:color .2s}
.footer-social a:hover{color:var(--white)}

/* ============ WhatsApp flotante ============ */
.wsp-float{
  position:fixed;bottom:1.5rem;right:1.5rem;z-index:90;
  width:56px;height:56px;
  background:#25D366;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,.36);
  transition:transform .2s, box-shadow .2s;
}
.wsp-float:hover{transform:scale(1.06)}
.wsp-float svg{width:28px;height:28px;fill:#fff}

/* ============ HOME: Filosofía ============ */
.philosophy{padding:8rem 0}
.philosophy-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:5rem;align-items:center;width:100%;max-width:1280px;margin:0 auto;padding:0 2rem}
.philosophy-img{aspect-ratio:4/5;overflow:hidden}
.philosophy-img img{width:100%;height:100%;object-fit:cover}
.philosophy-copy h2{
  font-family:'Cormorant Garamond',Georgia,serif;font-weight:300;
  font-size:clamp(2.2rem,4.5vw,3.6rem);line-height:1.05;margin-bottom:1.6rem;
}
.philosophy-copy p{color:var(--muted);font-size:1.08rem;line-height:1.85;margin-bottom:1.2rem;max-width:540px;font-weight:400}
.philosophy-copy .btn{margin-top:1.5rem}

/* ============ HOME: Especialidades (imagen) ============ */
.approach{padding:0;background:linear-gradient(90deg,#f3ebe2 0%,#f3ebe2 50%,#eee5de 50%,#eee5de 100%);display:flex;justify-content:center}
.oficio-img{display:block;width:100%;max-width:1600px;height:auto}
.specs{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  max-width:1100px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.specs li{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:300;
  font-size:clamp(1.6rem,2.4vw,2.2rem);
  text-align:center;
  padding:2.4rem 1rem;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
  transition:background .25s, color .25s;
  cursor:default;
}
.specs li:nth-child(4n){border-right:none}
.specs li:hover{background:var(--ink);color:var(--white)}
@media (max-width:1024px){
  .specs{grid-template-columns:repeat(2,1fr)}
  .specs li:nth-child(4n){border-right:1px solid var(--line)}
  .specs li:nth-child(2n){border-right:none}
}
@media (max-width:600px){
  .specs{grid-template-columns:1fr}
  .specs li{border-right:none !important;padding:1.8rem 1rem}
}
.approach-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.approach-item{
  background:var(--paper);
  padding:3rem 2rem;
  display:flex;flex-direction:column;
  min-height:280px;
  transition:background .3s;
}
.approach-item:hover{background:var(--ink);color:var(--white)}
.approach-item:hover .approach-num,.approach-item:hover p{color:rgba(255,255,255,.65)}
.approach-num{font-size:.72rem;letter-spacing:.3em;color:var(--muted);margin-bottom:auto;transition:color .3s}
.approach-item h3{font-family:'Cormorant Garamond',Georgia,serif;font-weight:300;font-size:1.7rem;line-height:1.15;margin:3rem 0 1rem}
.approach-item p{font-size:1rem;line-height:1.7;color:var(--muted);transition:color .3s;font-weight:400}

/* ============ HOME: Proceso (timeline zigzag) ============ */
.process{padding:6rem 0 5rem;background:var(--ink);color:var(--white)}
.process .section-head h2{color:var(--white)}
.process .section-head{margin-bottom:3rem}
.timeline{
  list-style:none;
  max-width:880px;
  margin:0 auto;
  position:relative;
  padding:1rem 0;
}
.timeline::before{
  content:'';
  position:absolute;
  left:50%;top:0;bottom:0;
  width:1px;
  background:linear-gradient(180deg, transparent 0%, rgba(255,255,255,.3) 8%, rgba(255,255,255,.3) 92%, transparent 100%);
  transform:translateX(-50%);
}
.timeline li{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  padding:1.1rem 0;
  min-height:80px;
}
.timeline li::before{
  content:'';
  position:absolute;
  left:50%;top:50%;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--white);
  transform:translate(-50%,-50%);
  box-shadow:0 0 0 5px var(--ink);
  z-index:1;
}
.t-card{
  display:flex;flex-direction:column;
  gap:.2rem;
}
/* Pasos impares: tarjeta a la izquierda */
.timeline li:nth-child(odd) .t-card{
  grid-column:1;
  text-align:right;
  padding-right:3rem;
}
/* Pasos pares: tarjeta a la derecha */
.timeline li:nth-child(even) .t-card{
  grid-column:2;
  text-align:left;
  padding-left:3rem;
}
.t-num{
  font-family:'Cormorant Garamond',serif;
  font-style:italic;
  font-size:.85rem;
  letter-spacing:.15em;
  color:rgba(255,255,255,.5);
}
.t-title{
  font-family:'Cormorant Garamond',serif;
  font-size:1.6rem;
  font-weight:300;
  line-height:1.15;
}
.t-desc{
  font-size:.95rem;
  color:rgba(255,255,255,.7);
  font-weight:400;
  line-height:1.5;
}

@media (max-width:680px){
  .timeline{max-width:100%;padding:0}
  .timeline::before{left:18px}
  .timeline li{grid-template-columns:1fr;padding:1rem 0 1rem 0;min-height:0}
  .timeline li::before{left:18px;top:1.5rem;transform:translate(-50%,0)}
  .timeline li:nth-child(odd) .t-card,
  .timeline li:nth-child(even) .t-card{
    grid-column:1;
    text-align:left;
    padding:0 0 0 3rem;
  }
  .t-title{font-size:1.35rem}
}

/* ============ HOME: Portfolio preview ============ */
.portfolio-preview{padding:8rem 0}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3.5rem}
.portfolio-card{position:relative;aspect-ratio:4/5;overflow:hidden;background:#eee;cursor:pointer}
.portfolio-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.portfolio-card:hover img{transform:scale(1.05)}
.portfolio-card .meta{
  position:absolute;left:0;right:0;bottom:0;
  padding:1.5rem;
  background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.7) 100%);
  color:var(--white);
}
.portfolio-card .meta h4{font-family:'Cormorant Garamond',serif;font-size:1.3rem;font-weight:300;margin-bottom:.2rem}
.portfolio-card .meta span{font-size:.7rem;letter-spacing:.25em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.portfolio-cta{text-align:center;margin-top:4rem}

/* ============ HOME: Assurances ============ */
.assurances{padding:7rem 0;border-top:1px solid var(--line)}
.assurances-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem;margin-top:3rem}
.assurance{padding:0}
.assurance .num{font-family:'Cormorant Garamond',serif;font-size:1.1rem;color:var(--muted);margin-bottom:1.2rem;letter-spacing:.05em}
.assurance h3{font-family:'Cormorant Garamond',serif;font-size:1.7rem;font-weight:300;margin-bottom:.9rem;line-height:1.2}
.assurance p{color:var(--muted);font-size:1.02rem;line-height:1.75;font-weight:400}

/* ============ NOSOTROS ============ */
.studio-intro{padding:6rem 0}
.studio-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.studio-grid img{width:100%;aspect-ratio:4/5;object-fit:cover}
.studio-text h2{font-family:'Cormorant Garamond',serif;font-weight:300;font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;margin-bottom:1.6rem}
.studio-text p{color:var(--muted);font-size:1.08rem;line-height:1.85;margin-bottom:1.1rem;max-width:540px;font-weight:400}
.values{padding:7rem 0;background:var(--paper-2)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3rem}
.value{padding:2rem 0;border-top:1px solid var(--line)}
.value h3{font-family:'Cormorant Garamond',serif;font-size:1.5rem;font-weight:300;margin-bottom:.8rem}
.value p{color:var(--muted);font-size:1rem;line-height:1.75;font-weight:400}

/* ============ PROYECTOS (galería) ============ */
.gallery-filters{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;margin:0 0 3.5rem}
.gallery-filter{
  background:transparent;border:1px solid var(--line);
  padding:.55rem 1.1rem;
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink);cursor:pointer;
  transition:background .2s,color .2s,border-color .2s;
  font-family:inherit;
}
.gallery-filter:hover{border-color:var(--ink)}
.gallery-filter.active{background:var(--ink);color:var(--white);border-color:var(--ink)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.gal-item{position:relative;aspect-ratio:4/5;overflow:hidden;background:#eee;cursor:zoom-in}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.gal-item:hover img{transform:scale(1.04)}
.gal-item .gal-overlay{
  position:absolute;inset:0;
  background:rgba(0,0,0,.4);
  opacity:0;transition:opacity .3s;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:1.5rem;color:var(--white);
}
.gal-item:hover .gal-overlay{opacity:1}
.gal-overlay h4{font-family:'Cormorant Garamond',serif;font-size:1.3rem;font-weight:300;margin-bottom:.2rem}
.gal-overlay span{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;opacity:.85}

/* Lightbox */
.lb{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.95);align-items:center;justify-content:center;cursor:zoom-out}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:92vh;object-fit:contain}
.lb-close,.lb-prev,.lb-next{position:fixed;color:var(--white);cursor:pointer;background:transparent;border:1px solid rgba(255,255,255,.35);width:46px;height:46px;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.15)}
.lb-close{top:1.5rem;right:1.5rem;font-size:1.4rem}
.lb-prev{left:1.5rem;top:50%;transform:translateY(-50%)}
.lb-next{right:1.5rem;top:50%;transform:translateY(-50%)}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);padding:0}
.faq-item summary{
  list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:2rem;
  padding:2rem 0;
  cursor:pointer;
  font-family:'Cormorant Garamond',serif;font-size:1.4rem;font-weight:300;
  line-height:1.3;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';font-size:1.6rem;font-weight:200;color:var(--muted);
  transition:transform .25s;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .a{padding:0 0 2rem;color:var(--muted);font-size:1.05rem;line-height:1.8;max-width:780px;font-weight:400}

/* ============ CONTACTO ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:5rem;align-items:start}
.contact-info h2{font-family:'Cormorant Garamond',serif;font-weight:300;font-size:clamp(2rem,4vw,3rem);line-height:1.08;margin-bottom:1.5rem}
.contact-info p{color:var(--muted);font-size:1.08rem;line-height:1.8;margin-bottom:2.5rem;font-weight:400}
.contact-block{margin-bottom:2.2rem}
.contact-block h4{font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);margin-bottom:.7rem}
.contact-block a, .contact-block p.line{font-size:1.05rem;color:var(--ink);font-weight:400}
.contact-block a:hover{text-decoration:underline}
form.contact-form{display:flex;flex-direction:column;gap:1.4rem}
form.contact-form .f2{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
form.contact-form label{display:block;font-size:.68rem;letter-spacing:.25em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
form.contact-form input,
form.contact-form select,
form.contact-form textarea{
  width:100%;
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
  padding:.7rem 0;
  font-family:inherit;font-size:1rem;color:var(--ink);
  outline:none;
  transition:border-color .2s;
  border-radius:0;
}
form.contact-form input:focus,
form.contact-form select:focus,
form.contact-form textarea:focus{border-bottom-color:var(--ink)}
form.contact-form textarea{min-height:120px;resize:vertical}
form.contact-form button{margin-top:1rem;align-self:flex-start}
.form-success{display:none;padding:2rem 0}
.form-success.show{display:block}
.form-success h3{font-family:'Cormorant Garamond',serif;font-weight:300;font-size:2rem;margin-bottom:.6rem}

/* ============ MOBILE / TABLET ============ */
@media (max-width: 1024px){
  .approach-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid,.process-list,.assurances-grid,.values-grid,.gallery{grid-template-columns:repeat(2,1fr)}
  .philosophy-inner,.studio-grid,.contact-grid{grid-template-columns:1fr;gap:3rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:3rem}
  .section,.philosophy,.approach,.process,.portfolio-preview,.assurances,.values,.studio-intro{padding:5rem 0}
}

@media (max-width: 720px){
  nav.site-nav{height:68px;padding:0 1.2rem}
  .nav-brand{font-size:1rem;letter-spacing:.15em}
  .nav-brand img{width:30px;height:30px}
  .nav-brand small{font-size:.55rem}

  /* Menú móvil pantalla completa */
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;
    width:100vw;height:100vh;height:100svh;
    background:var(--paper);
    flex-direction:column;
    align-items:flex-start;justify-content:center;
    padding:0 2rem;
    gap:0;
    transform:translateY(-100%);
    opacity:0;
    pointer-events:none;
    transition:transform .5s cubic-bezier(.77,0,.18,1), opacity .35s ease;
    z-index:150;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{
    width:100%;
    padding:1.4rem 0;
    border-bottom:1px solid var(--line);
    color:var(--ink) !important;
    font-family:'Cormorant Garamond',serif;
    font-size:1.8rem;
    letter-spacing:.02em;
    font-weight:300;
    text-transform:none;
  }
  .nav-links a.active::after{display:none}
  .nav-links a:last-child{border-bottom:none}

  .hero h1{font-size:clamp(2.4rem,10vw,3.4rem)}
  .hero-sub{font-size:.92rem}
  .hero-dots{bottom:1.8rem;left:1.2rem}
  .hero-scroll{display:none}

  .approach-grid{grid-template-columns:1fr}
  .portfolio-grid,.process-list,.assurances-grid,.values-grid,.gallery{grid-template-columns:1fr}
  .gallery{gap:.8rem}

  .footer-grid{grid-template-columns:1fr;gap:2.5rem;padding-bottom:2.5rem}
  .footer-bottom{flex-direction:column;text-align:center;gap:1rem}

  .page-header{padding:9rem 0 4rem}
  form.contact-form .f2{grid-template-columns:1fr}

  .section,.philosophy,.approach,.process,.portfolio-preview,.assurances,.values,.studio-intro{padding:4rem 0}

  .faq-item summary{font-size:1.15rem;padding:1.4rem 0}
  .faq-item .a{font-size:.95rem;padding-bottom:1.4rem}
}