/* ============================================================
   CHIDELOP — Variante 2 · «Estudio editorial luminoso»
   Papel #F4F4F1 · Tinta #080533 · Grafito #323234 · Acero #17579E
   Fraunces (display serif) + Archivo (grotesca)
   ============================================================ */

:root{
  --paper:#F4F4F1;
  --white:#FFFFFF;
  --ink:#080533;
  --graphite:#323234;
  --gray:#7E8186;
  --steel:#17579E;
  --black:#0B0B0C;
  --hair:rgba(8,5,51,.18);
  --hair-soft:rgba(8,5,51,.10);
  --hair-light:rgba(255,255,255,.22);
  --dark-2:#C9CAD2;            /* texto secundario sobre tinta */
  --serif:"Fraunces",Georgia,serif;
  --sans:"Archivo",Helvetica,Arial,sans-serif;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --wrap:1240px;
}

html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
figure{margin:0}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--steel)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--steel);outline-offset:3px;
}
::selection{background:var(--ink);color:var(--paper)}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(20px,4.5vw,56px)}

/* ---------- Encabezado ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--hair);
}
.header-inner{
  max-width:var(--wrap);margin-inline:auto;
  padding:10px clamp(20px,4.5vw,56px);
  display:flex;align-items:center;gap:28px;
}
.brand img{height:46px;width:auto}
.main-nav{display:flex;gap:30px;margin-left:auto}
.main-nav a{
  color:var(--ink);text-decoration:none;
  font-size:.82rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  padding:6px 0;border-bottom:2px solid transparent;
}
.main-nav a:hover{border-bottom-color:var(--steel);color:var(--steel)}
.menu-btn{
  display:none;margin-left:auto;
  background:none;border:1px solid var(--hair);border-radius:2px;
  color:var(--ink);font-family:var(--sans);font-size:.8rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;
  padding:8px 12px;cursor:pointer;align-items:center;gap:8px;
}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;letter-spacing:.1em}
.lang-switch button{
  background:none;border:none;cursor:pointer;padding:4px 2px;
  font:inherit;color:var(--gray);
}
.lang-switch button[aria-pressed="true"]{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--steel)}
.lang-switch span{color:var(--hair)}

/* ---------- Hero ---------- */
.hero{padding:calc(76px + clamp(36px,6vw,84px)) 0 clamp(48px,6vw,80px)}
.kicker{
  font-size:.8rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--steel);
  display:flex;align-items:center;gap:16px;
}
.kicker::after{content:"";flex:1;height:1px;background:var(--hair)}
.hero-title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(2.9rem,7.6vw,6.4rem);
  line-height:1.02;letter-spacing:-.015em;
  max-width:14ch;
  margin-top:clamp(20px,3vw,36px);
}
.hero-title em{font-style:italic;font-weight:340;color:var(--steel)}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:40px;
  margin-top:clamp(32px,4.5vw,56px);
}
.lead{
  font-size:clamp(1.12rem,1.6vw,1.32rem);line-height:1.55;color:var(--graphite);
  max-width:56ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-block;text-decoration:none;cursor:pointer;
  font-family:var(--sans);font-size:.85rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  padding:15px 26px;border-radius:2px;border:1px solid var(--ink);
  transition:background .25s var(--ease-out),color .25s var(--ease-out);
}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:var(--steel);border-color:var(--steel);color:var(--white)}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-paper{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-paper:hover{background:var(--steel);border-color:var(--steel);color:var(--white)}
.hero-note{
  margin-top:34px;padding-top:16px;border-top:1px solid var(--hair);
  font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--graphite);
}
.hero-figure img{width:100%;aspect-ratio:816/1216;object-fit:cover}
.hero-figure figcaption,.chapter-figure figcaption,.about-figure figcaption{
  margin-top:10px;font-size:.78rem;letter-spacing:.08em;color:var(--graphite);
  display:flex;gap:10px;align-items:baseline;
}
.hero-figure figcaption::before,.chapter-figure figcaption::before,.about-figure figcaption::before{
  content:"";width:22px;height:1px;background:var(--steel);flex:none;transform:translateY(-3px);
}

/* ---------- Secciones ---------- */
.section{padding:clamp(64px,8vw,110px) 0}
.section--white{background:var(--white)}
.section-head{border-top:2px solid var(--ink);padding-top:22px;margin-bottom:clamp(40px,5vw,64px)}
.section-eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--steel)}
.section-title{
  font-family:var(--serif);font-weight:480;
  font-size:clamp(2.4rem,4.6vw,3.9rem);line-height:1.05;letter-spacing:-.01em;
  margin-top:10px;
}
.section-intro{margin-top:14px;font-size:1.08rem;color:var(--graphite);max-width:62ch}

/* ---------- Capítulos de servicios ---------- */
.chapter{border-top:1px solid var(--hair);padding:clamp(36px,4.5vw,56px) 0}
.chapter:first-of-type{border-top:none;padding-top:0}
.chapter-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}
.chapter-no{
  font-family:var(--serif);font-style:italic;font-weight:340;
  font-size:clamp(2rem,3.4vw,3rem);color:var(--gray);line-height:1;
}
.chapter-label{font-size:.75rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--graphite)}
.chapter-title{
  font-family:var(--serif);font-weight:520;
  font-size:clamp(1.8rem,3.4vw,2.7rem);line-height:1.12;letter-spacing:-.01em;
  flex-basis:100%;margin-top:6px;
}
.chapter-body{display:grid;grid-template-columns:1fr;gap:34px;margin-top:28px}
.chapter-lead{font-size:1.13rem;line-height:1.6;color:var(--graphite);max-width:60ch}
.chapter-lead--solo{margin-top:24px}
.spec-list{margin-top:26px;border-top:1px solid var(--hair-soft)}
.spec-list li{
  padding:13px 0 13px 30px;position:relative;
  border-bottom:1px solid var(--hair-soft);
  font-size:1.02rem;line-height:1.55;
}
.spec-list li::before{
  content:"";position:absolute;left:2px;top:1.35em;
  width:14px;height:2px;background:var(--steel);
}
.chapter-figure img{width:100%;object-fit:cover}
.chapter-figure:not(.chapter-figure--wide) img{aspect-ratio:816/1216;max-height:560px}
.chapter-figure--wide img{aspect-ratio:667/426}

/* Entradas (cap. 03) */
.entries{display:grid;grid-template-columns:1fr;gap:0;margin-top:28px;border-top:1px solid var(--hair-soft)}
.entry{padding:24px 0;border-bottom:1px solid var(--hair-soft)}
.entry h4{font-family:var(--serif);font-weight:560;font-size:1.35rem;line-height:1.25}
.entry p{margin-top:8px;color:var(--graphite);max-width:64ch}

/* Trámites (cap. 04) */
.permit-grid{display:grid;grid-template-columns:1fr;gap:34px;margin-top:30px}
.permit-group h4{
  font-size:.85rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  padding-bottom:12px;border-bottom:2px solid var(--ink);
}
.permit-group ul{margin-top:6px}
.permit-group li{
  padding:9px 0;border-bottom:1px solid var(--hair-soft);
  font-size:.99rem;color:var(--graphite);
}

/* Obra industrial (cap. 05) */
.works-list{margin-top:28px;border-top:1px solid var(--hair-soft)}
.work-row{
  display:grid;grid-template-columns:110px 1fr;gap:22px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--hair-soft);
}
.work-row img{width:110px;height:84px;object-fit:cover}
.work-row p{font-family:var(--serif);font-size:clamp(1.15rem,2vw,1.5rem);font-weight:480;line-height:1.3}

/* ---------- Proyectos ---------- */
.featured{
  display:grid;grid-template-columns:1fr;gap:30px;
  padding-bottom:clamp(40px,5vw,60px);margin-bottom:10px;
  border-bottom:2px solid var(--ink);
}
.featured-media img:first-child{width:100%;aspect-ratio:831/609;object-fit:cover}
.featured-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.featured-thumbs img{width:100%;height:100%;aspect-ratio:4/3.4;object-fit:cover}
.featured-label{font-size:.8rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--steel)}
.featured-title{
  font-family:var(--serif);font-weight:520;
  font-size:clamp(2.1rem,4vw,3.3rem);line-height:1.06;letter-spacing:-.01em;
  margin-top:12px;
}
.featured-body{margin-top:18px;font-size:1.13rem;line-height:1.62;color:var(--graphite);max-width:58ch}
.featured-place{
  margin-top:22px;padding-top:14px;border-top:1px solid var(--hair);
  font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
}
.index-list{counter-reset:idx}
.index-row{
  display:grid;grid-template-columns:52px 1fr;gap:8px 20px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--hair);
}
.index-no{
  font-family:var(--serif);font-style:italic;font-weight:340;
  font-size:1.7rem;color:var(--gray);line-height:1;
}
.index-row img{width:100%;max-width:300px;aspect-ratio:4/3;object-fit:cover;grid-column:2}
.index-row h3{
  font-family:var(--serif);font-weight:460;
  font-size:clamp(1.3rem,2.4vw,1.85rem);line-height:1.28;letter-spacing:-.005em;
  grid-column:2;max-width:34ch;
}
.index-row--text h3{grid-column:2}

/* ---------- Nosotros ---------- */
.about-grid{display:grid;grid-template-columns:1fr;gap:40px}
.about-motto{
  font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.2;letter-spacing:-.01em;
}
.about-text{margin-top:24px;font-size:1.1rem;line-height:1.65;color:var(--graphite);max-width:58ch}
.about-facts{margin-top:36px;border-top:1px solid var(--hair)}
.about-facts>div{
  display:grid;grid-template-columns:150px 1fr;gap:16px;
  padding:15px 0;border-bottom:1px solid var(--hair);
}
.about-facts dt{font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;padding-top:3px}
.about-facts dd{color:var(--graphite)}
.about-figure img{width:100%;aspect-ratio:816/1216;object-fit:cover;max-height:640px}

/* ---------- Contacto · banda oscura ---------- */
.dark-band{background:var(--ink);color:var(--paper);padding:clamp(64px,8vw,104px) 0 0}
.dark-logo{height:clamp(56px,8vw,84px);width:auto;margin-bottom:clamp(40px,5vw,64px)}
.contact-grid{display:grid;grid-template-columns:1fr;gap:48px}
.dark-title{font-family:var(--serif);font-weight:480;font-size:clamp(2.2rem,4.4vw,3.4rem);line-height:1.08}
.dark-lead{margin-top:14px;color:var(--dark-2);font-size:1.08rem;max-width:44ch}
.contact-facts{margin-top:34px;border-top:1px solid var(--hair-light)}
.contact-facts>div{padding:18px 0;border-bottom:1px solid var(--hair-light)}
.contact-facts dt{font-size:.76rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--dark-2);margin-bottom:6px}
.contact-facts dd{font-size:1.05rem;line-height:1.55}
.contact-facts a{color:var(--paper);text-decoration-color:var(--steel);text-underline-offset:4px}
.contact-facts a:hover{color:#9CC1EA}
.phones{display:flex;flex-wrap:wrap;gap:8px 26px}
.contact-figure{margin-top:34px}
.contact-figure img{width:100%;max-width:340px;aspect-ratio:816/1216;object-fit:cover}
.contact-form{display:flex;flex-direction:column;gap:20px}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px}
.field .optional{text-transform:none;letter-spacing:.02em;font-weight:500;color:var(--dark-2)}
.field input,.field textarea{
  width:100%;box-sizing:border-box;
  background:var(--white);color:var(--ink);
  border:1px solid var(--white);border-radius:2px;
  font-family:var(--sans);font-size:1rem;line-height:1.5;
  padding:13px 14px;
}
.field textarea{resize:vertical}
.contact-form .btn{align-self:flex-start}
.form-note{font-size:.9rem;color:var(--dark-2);max-width:46ch}
.colophon{
  margin-top:clamp(56px,7vw,84px);
  border-top:1px solid var(--hair-light);
  padding:24px 0 30px;
  display:flex;flex-wrap:wrap;gap:6px 32px;justify-content:space-between;
  font-size:.92rem;
}
.colophon-small{color:var(--dark-2)}

/* ---------- Reveal (único momento de movimiento) ---------- */
.js .rv{opacity:0;transform:translateY(16px)}
.js .rv.rv-in{
  opacity:1;transform:none;
  transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none}
  .js .rv.rv-in{transition:none}
}

/* ---------- Escritorio ---------- */
@media (min-width:760px){
  .permit-grid{grid-template-columns:repeat(2,1fr);gap:40px 48px}
  .entries{grid-template-columns:repeat(3,1fr);gap:40px;border-top:none}
  .entry{border-top:2px solid var(--ink);border-bottom:none;padding:20px 0 0}
  .index-row{grid-template-columns:70px 240px 1fr;gap:28px}
  .index-row img{grid-column:2;max-width:240px}
  .index-row h3{grid-column:3}
  .index-row--text h3{grid-column:3}
}
@media (min-width:960px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:clamp(40px,5vw,72px);align-items:start}
  .hero-figure{margin-top:6px}
  .chapter-body{grid-template-columns:7fr 4fr;gap:clamp(40px,5vw,72px)}
  .chapter-figure{justify-self:end;width:100%;max-width:360px}
  .chapter-figure--wide{max-width:520px}
  .featured{grid-template-columns:6fr 5fr;gap:clamp(40px,5vw,72px);align-items:start}
  .about-grid{grid-template-columns:7fr 4fr;gap:clamp(40px,5vw,72px)}
  .about-figure{max-width:360px;justify-self:end;width:100%}
  .contact-grid{grid-template-columns:5fr 6fr;gap:clamp(48px,6vw,88px)}
  .permit-grid{grid-template-columns:repeat(4,1fr)}
}

/* ---------- Móvil ---------- */
@media (max-width:759px){
  .header-inner{flex-wrap:wrap;gap:10px 16px;padding-block:10px}
  .brand img{height:38px}
  .menu-btn{display:inline-flex}
  .main-nav{
    display:none;flex-basis:100%;flex-direction:column;gap:0;
    border-top:1px solid var(--hair);padding-top:8px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0;border-bottom:1px solid var(--hair-soft)}
  .main-nav a:last-child{border-bottom:none}
  .lang-switch{margin-left:0}
  .hero{padding-top:150px}
  .work-row{grid-template-columns:88px 1fr}
  .work-row img{width:88px;height:70px}
  .about-facts>div{grid-template-columns:1fr;gap:2px}
  .contact-figure img{max-width:260px}
}