:root{
  --cream:#F4EFE7;
  --sand:#EAE2D6;
  --stone:#D9CFC1;
  --oak:#A8744A;
  --oak-dark:#8A5C37;
  --ink:#2B2520;
  --text:#4A4038;
  --muted:#7C7067;
  --line:rgba(43,37,32,.12);
  --serif:"Cormorant Garamond", Georgia, serif;
  --sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--cream);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:500;line-height:1.08;letter-spacing:-.01em}
h1{font-size:clamp(2.7rem,6vw,4.9rem)}
h2{font-size:clamp(2.1rem,4vw,3.2rem)}
h3{font-size:1.65rem}
.eyebrow{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--oak-dark);font-weight:600;margin-bottom:18px;display:block}
.lead{font-size:1.1rem;color:var(--text);max-width:34em}
section{padding:110px 0}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:500;font-size:.95rem;transition:.25s ease;cursor:pointer;border:1px solid transparent;font-family:var(--sans)}
.btn-dark{background:var(--ink);color:var(--cream)}
.btn-dark:hover{background:var(--oak-dark)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--cream)}
.btn svg{width:18px;height:18px}

/* Cabecera */
header{position:sticky;top:0;z-index:50;background:rgba(244,239,231,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .3s}
header.scrolled{border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{font-family:var(--serif);font-size:1.75rem;color:var(--ink);font-weight:600;letter-spacing:-.01em}
.logo span{color:var(--oak);font-style:italic}
.nav ul{display:flex;gap:36px;list-style:none;font-size:.92rem}
.nav ul a{position:relative;padding:4px 0}
.nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width .25s}
.nav ul a:hover::after{width:100%}
.nav .btn{padding:11px 20px;font-size:.88rem}

/* Hero */
.hero{padding:70px 0 100px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.hero h1 em{font-style:italic;color:var(--oak-dark)}
.hero .lead{margin:28px 0 38px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-img{position:relative;border-radius:6px;overflow:hidden;aspect-ratio:4/5;box-shadow:0 30px 60px -30px rgba(43,37,32,.35)}
.hero-img svg{width:100%;height:100%}
.hero-img img,.gallery img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-points{display:flex;gap:34px;margin-top:52px;padding-top:30px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-points div{font-size:.88rem;color:var(--muted)}
.hero-points strong{display:block;font-family:var(--serif);font-size:1.35rem;color:var(--ink);font-weight:500}

/* Zona */
.zone{background:var(--ink);color:var(--sand);padding:22px 0;overflow:hidden}
.zone-track{display:flex;gap:46px;white-space:nowrap;animation:scroll 40s linear infinite;font-family:var(--serif);font-size:1.25rem;width:max-content}
.zone-track span::before{content:"·";margin-right:46px;color:var(--oak)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Servicios */
.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:60px;flex-wrap:wrap}
.section-head p{max-width:30em;color:var(--muted)}
.services{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
.service.featured{background:var(--ink);border-color:var(--ink);color:#CFC3B5}
.service.featured h3{color:var(--cream);font-size:2rem}
.service.featured .num{color:#C99A6E}
.service.featured p{color:#CFC3B5}
.service.featured ul,.service.featured li{border-color:rgba(255,255,255,.12)}
.service{background:#FBF8F3;border:1px solid var(--line);border-radius:6px;padding:40px 34px;transition:.3s}
.service:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(43,37,32,.35)}
.service .num{font-family:var(--serif);color:var(--oak);font-size:1.1rem;margin-bottom:46px;display:block}
.service h3{margin-bottom:14px}
.service p{color:var(--muted);font-size:.96rem;margin-bottom:22px}
.service ul{list-style:none;font-size:.9rem;border-top:1px solid var(--line)}
.service li{padding:10px 0;border-bottom:1px solid var(--line)}

/* Proyectos */
.projects{background:var(--sand)}
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.gallery figure{position:relative;overflow:hidden;border-radius:6px;background:var(--stone)}
.gallery figure:nth-child(1){grid-column:span 4;aspect-ratio:16/10}
.gallery figure:nth-child(2){grid-column:span 2}
.gallery figure:nth-child(3),.gallery figure:nth-child(4),.gallery figure:nth-child(5){grid-column:span 2;aspect-ratio:4/5}
.gallery figure:nth-child(6){grid-column:span 6;aspect-ratio:21/8}
.gallery svg,.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.gallery figure:hover svg,.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;background:linear-gradient(transparent,rgba(43,37,32,.72));color:var(--cream);font-size:.86rem}
.gallery figcaption strong{display:block;font-family:var(--serif);font-size:1.35rem;font-weight:500}

/* Proceso */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--ink)}
.step{padding:34px 28px 0 0}
.step span{font-family:var(--serif);font-size:3rem;color:var(--oak);line-height:1}
.step h3{font-size:1.4rem;margin:18px 0 10px}
.step p{font-size:.94rem;color:var(--muted)}

/* Por qué */
.why{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.why-list{list-style:none}
.why-list li{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:10px}
.why-list li:first-child{border-top:1px solid var(--line)}
.why-list svg{width:20px;height:20px;color:var(--oak);margin-top:4px}
.why-list strong{color:var(--ink);font-weight:600;display:block}

/* FAQ */
.faq{background:var(--sand)}
.faq-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:80px}
details{border-bottom:1px solid var(--line);padding:22px 0}
details:first-of-type{border-top:1px solid var(--line)}
summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:1.4rem;color:var(--ink);display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--sans);font-weight:300;font-size:1.5rem;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px;color:var(--muted);max-width:40em}

/* Contacto */
.contact{background:var(--ink);color:var(--sand)}
.contact h2{color:var(--cream)}
.contact .eyebrow{color:#C99A6E}
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:80px}
.contact-info{margin-top:36px;display:grid;gap:18px}
.contact-info a,.contact-info div{display:flex;gap:14px;align-items:center;color:var(--sand)}
.contact-info svg{width:20px;height:20px;color:#C99A6E;flex-shrink:0}
.contact-info a:hover{color:#fff}
form{background:var(--cream);border-radius:6px;padding:42px;color:var(--text)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-size:.8rem;font-weight:500;color:var(--ink);margin-bottom:7px;letter-spacing:.02em}
.field{margin-bottom:20px}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--stone);border-radius:4px;background:#FBF8F3;font:inherit;font-size:.95rem;color:var(--ink);transition:border-color .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--oak)}
textarea{resize:vertical;min-height:110px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--muted);margin-bottom:24px}
.check input{width:auto;margin-top:4px}
.check a{text-decoration:underline}
form .btn{width:100%;justify-content:center}
.form-note{font-size:.78rem;color:var(--muted);text-align:center;margin-top:14px}

/* Footer */
footer{background:#221D19;color:#A99D92;padding:56px 0 34px;font-size:.88rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
footer .logo{color:var(--cream);display:inline-block;margin-bottom:12px}
footer h4{color:var(--cream);font-weight:500;margin-bottom:12px;font-size:.9rem}
footer ul{list-style:none;display:grid;gap:6px}
footer a:hover{color:var(--cream)}
.legal{display:flex;justify-content:space-between;gap:20px;padding-top:26px;flex-wrap:wrap;font-size:.8rem}
.legal div{display:flex;gap:20px}

/* WhatsApp flotante */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.35);transition:transform .25s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px;color:#fff}

/* Animación de entrada */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.zone-track{animation:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:960px){
  section{padding:80px 0}
  .nav ul{display:none}
  .hero-grid,.why,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .hero-img{aspect-ratio:4/3}
  .services{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;gap:20px}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery figure:nth-child(n){grid-column:span 1;aspect-ratio:4/5}
  .gallery figure:nth-child(1),.gallery figure:nth-child(6){grid-column:span 2;aspect-ratio:16/10}
  .foot{grid-template-columns:1fr}
}
@media (max-width:560px){
  .wrap{padding:0 20px}
  .row{grid-template-columns:1fr}
  form{padding:28px 22px}
  .steps{grid-template-columns:1fr}
  .hero-points{gap:22px}
  .nav .btn{padding:10px 16px}
}

/* ===== Páginas interiores ===== */
.nav ul a.active::after{width:100%}
.crumbs{font-size:.82rem;color:var(--muted);padding-top:34px}
.crumbs a{color:var(--muted)} .crumbs a:hover{color:var(--ink)}
.page-hero{padding:30px 0 90px}
.more{display:inline-flex;gap:8px;align-items:center;margin-top:22px;font-weight:500;color:var(--ink);border-bottom:1px solid currentColor;padding-bottom:2px;font-size:.92rem}
.service.featured .more{color:var(--cream)}
.includes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.include{background:#FBF8F3;padding:34px 30px}
.include svg{width:28px;height:28px;color:var(--oak);margin-bottom:18px}
.include h3{font-size:1.4rem;margin-bottom:8px}
.include p{font-size:.94rem;color:var(--muted)}
.tag{display:inline-block;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--oak-dark);border:1px solid var(--stone);border-radius:999px;padding:2px 10px;margin-left:8px;vertical-align:middle;font-family:var(--sans)}
.materials{background:var(--sand)}
.mat-list{border-top:1px solid var(--ink)}
.mat{display:grid;grid-template-columns:220px 1fr 180px;gap:30px;padding:28px 0;border-bottom:1px solid var(--line);align-items:baseline}
.mat h3{font-size:1.6rem}
.mat p{color:var(--muted)}
.mat span{font-size:.82rem;color:var(--oak-dark);text-align:right}
.quote{background:var(--ink);color:var(--sand);border-radius:6px;padding:60px;display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center}
.quote h2{color:var(--cream)}
.quote p{font-size:1.05rem}
.gallery.g3{grid-template-columns:repeat(3,1fr)}
.gallery.g3 figure:nth-child(n){grid-column:span 1;aspect-ratio:4/5}
@media (max-width:960px){
  .includes{grid-template-columns:1fr 1fr}
  .mat{grid-template-columns:1fr;gap:6px}
  .mat span{text-align:left}
  .quote{grid-template-columns:1fr;padding:40px 28px;gap:24px}
  .gallery.g3{grid-template-columns:1fr 1fr}
  .gallery.g3 figure:nth-child(n){aspect-ratio:4/5;grid-column:span 1}
}
@media (max-width:560px){.includes{grid-template-columns:1fr}.gallery.g3{grid-template-columns:1fr}}

/* Menú activo y enlaces internos */
section[id]{scroll-margin-top:84px}
.nav ul a.current{color:var(--ink)}
.nav ul a.current::after{width:100%}
.inline-link{color:var(--oak-dark);border-bottom:1px solid rgba(138,92,55,.35);transition:border-color .2s}
.inline-link:hover{border-color:var(--oak-dark)}
.gallery a.fig-link{position:absolute;inset:0;z-index:2}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.related a{display:block;background:#FBF8F3;border:1px solid var(--line);border-radius:6px;padding:36px 34px;transition:.3s}
.related a:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(43,37,32,.35)}
.related h3{margin:8px 0 10px}
.related p{color:var(--muted);font-size:.95rem}
.related .more{margin-top:18px}
@media (max-width:760px){.related{grid-template-columns:1fr}}
.related.r4{grid-template-columns:repeat(4,1fr)}
.related.r4 .include{border:1px solid var(--line);border-radius:6px}
@media (max-width:960px){.related.r4{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.related.r4{grid-template-columns:1fr}}
html,body{overflow-x:clip}

/* ===== Puerta animada al hacer scroll ===== */
.door-scroll{position:relative;height:230vh;background:var(--sand)}
.door-sticky{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;overflow:hidden}
.door-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;width:100%}
.door-copy p{color:var(--muted);max-width:30em;margin-top:20px}
.door-hint{font-size:.85rem;letter-spacing:.08em;color:var(--oak-dark)!important;opacity:calc(1 - var(--p,0)*3)}
.door-stage{display:flex;justify-content:center}
.door-frame{position:relative;height:min(68vh,600px);aspect-ratio:1/2.25;padding:12px 12px 0;background:#FBF8F3;border-radius:3px 3px 0 0;box-shadow:0 40px 60px -40px rgba(43,37,32,.45),0 0 0 1px rgba(43,37,32,.06);perspective:1700px}
.door-frame::after{content:"";position:absolute;left:-40px;right:-40px;bottom:-1px;height:1px;background:rgba(43,37,32,.25)}
.door-behind{position:absolute;inset:12px 12px 0;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center;padding:22px;
  background:radial-gradient(130% 75% at 50% 38%,#FFE7BC 0%,#EDB677 32%,#A86A3A 68%,#4A3222 100%)}
.door-behind::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 40% at 50% 100%,rgba(255,231,188,.55),transparent 70%)}
.door-msg{position:relative;opacity:var(--msg,0);transform:translateY(calc((1 - var(--msg,0))*18px));color:var(--ink)}
.door-msg h3{font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.1;margin-bottom:12px}
.door-msg p{font-size:.86rem;color:#4A3426;margin-bottom:20px}
.door-msg .btn{padding:12px 20px;font-size:.88rem}
.door{position:absolute;inset:12px 12px 0;pointer-events:none;transform-origin:left center;transform:rotateY(calc(var(--p,0) * -102deg));
  background:linear-gradient(90deg,#EFE9E0 0%,#F8F5EF 55%,#F1ECE4 100%);
  box-shadow:inset 0 0 0 1px rgba(43,37,32,.07),calc(var(--p,0) * 26px) 0 50px rgba(30,20,10,calc(var(--p,0) * .35))}
.door::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,calc(var(--p,0) * .18)))}
.unero{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:6px;height:24%;border-radius:4px;
  background:linear-gradient(90deg,rgba(43,37,32,.30),rgba(43,37,32,.06));box-shadow:inset 0 1px 2px rgba(0,0,0,.15)}
@media (max-width:960px){
  .door-scroll{height:210vh}
  .door-grid{grid-template-columns:1fr;gap:28px;text-align:center}
  .door-copy p{margin:12px auto 0}
  .door-copy .door-long{display:none}
  .door-frame{height:min(54svh,480px)}
}
@media (prefers-reduced-motion:reduce){
  .door-scroll{height:auto}
  .door-sticky{position:relative;height:auto;padding:100px 0}
  .door{transform:rotateY(-102deg)}
  .door-msg{opacity:1;transform:none}
  .door-hint{display:none}
}
.door-msg .btn{white-space:nowrap}
@media (max-width:560px){.door-msg .btn{padding:10px 14px;font-size:.8rem}.door-msg h3{font-size:1.45rem}.door-behind{padding:14px}}

/* ===== Menú móvil ===== */
.menu-btn{display:none}
.cta-short{display:none}
@media (max-width:960px){
  .nav{position:relative}
  .menu-btn{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;margin-left:6px;border:0;background:none;cursor:pointer;padding:0}
  .menu-btn span{display:block;width:22px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .2s}
  header.open .menu-btn span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
  header.open .menu-btn span:nth-child(2){opacity:0}
  header.open .menu-btn span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
  .nav ul{display:flex;flex-direction:column;gap:0;position:absolute;top:100%;left:0;right:0;background:var(--cream);
    padding:6px 28px 22px;border-bottom:1px solid var(--line);box-shadow:0 24px 30px -24px rgba(43,37,32,.3);
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s}
  header.open .nav ul{opacity:1;visibility:visible;transform:none}
  .nav ul li a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav ul li:last-child a{border-bottom:0}
  .nav ul a::after{display:none}
  .nav ul a.current{font-weight:600;color:var(--oak-dark)}
  .nav > .btn{margin-left:auto}
}
@media (max-width:560px){
  .nav ul{padding:6px 20px 20px}
  .cta-long{display:none}
  .cta-short{display:inline}
  .logo{font-size:1.5rem}
}

/* ===== Página Estudio ===== */
.about-hero{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-top:40px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.about-hero h1{font-size:clamp(3rem,8vw,6.5rem)}
.kanji{font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;font-size:clamp(7rem,16vw,13rem);line-height:.85;color:var(--oak);opacity:.85}
.story{display:grid;grid-template-columns:1fr 1.3fr;gap:80px;align-items:start}
.story-text p{font-size:1.08rem;margin-bottom:18px;max-width:36em}
.story-text strong{color:var(--ink);font-weight:600}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.member{background:#FBF8F3;border:1px solid var(--line);border-radius:6px;padding:28px 26px 30px}
.member-photo{aspect-ratio:1/1;border-radius:4px;background:var(--sand);display:grid;place-items:center;font-family:var(--serif);font-size:3.2rem;color:var(--oak);margin-bottom:22px;overflow:hidden}
.member-photo img{width:100%;height:100%;object-fit:cover}
.member h3{font-size:1.5rem}
.member .role{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--oak-dark);margin:6px 0 12px;font-weight:600}
.member p{font-size:.93rem;color:var(--muted)}
.related.r3{grid-template-columns:repeat(3,1fr)}
@media (max-width:960px){
  .story{grid-template-columns:1fr;gap:24px}
  .team{grid-template-columns:1fr 1fr}
  .related.r3{grid-template-columns:1fr}
  .about-hero{align-items:center}
}
@media (max-width:560px){.team{grid-template-columns:1fr}.member-photo{aspect-ratio:16/10}}