/* ============================================================================
   María Macarena Guldman Munita — Portafolio
   Sistema visual: minimalismo editorial, galería de arte.
   ========================================================================== */

/* --------------------------------------------------------------- tokens --- */
:root{
  --paper:      #FFFFFF;
  --ink:        #111111;
  --ink-soft:   #4A4744;
  --ink-mute:   #8C8781;
  --cream:      #F4F0EA;
  --sand:       #C9BAA8;
  --sand-deep:  #A8937C;
  --line:       #E4DFD8;

  --gutter:     40px;
  --gutter-lg:  72px;
  --max:        1560px;

  --f-sans: "Inter", "Helvetica Neue", "Avenir Next", Avenir, -apple-system,
            BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------------------------------------------------------------- reset --- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.65;
  font-weight:300;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
figure{ margin:0; }
h1,h2,h3,h4{ margin:0; font-weight:300; letter-spacing:-.02em; line-height:1.08; }

/* ------------------------------------------------------------ tipografía -- */
.display{
  font-size:clamp(2.6rem, 7.2vw, 6.4rem);
  font-weight:200;
  letter-spacing:-.035em;
  line-height:.96;
}
.title{
  font-size:clamp(1.9rem, 3.6vw, 3.4rem);
  font-weight:200;
  letter-spacing:-.03em;
  line-height:1.04;
}
.subtitle{
  font-size:clamp(1.15rem, 1.7vw, 1.5rem);
  font-weight:300;
  letter-spacing:-.015em;
  line-height:1.35;
}
.label{
  font-size:.68rem;
  font-weight:400;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ink-mute);
}
.lead{
  font-size:clamp(1.05rem, 1.35vw, 1.28rem);
  line-height:1.6;
  color:var(--ink-soft);
  max-width:62ch;
}
.body-copy p{ max-width:66ch; color:var(--ink-soft); margin:0 0 1.35em; }
.body-copy p:last-child{ margin-bottom:0; }
.quote{
  font-size:clamp(1.4rem, 2.6vw, 2.3rem);
  font-weight:200;
  letter-spacing:-.025em;
  line-height:1.25;
  max-width:22ch;
  color:var(--ink);
}

/* ------------------------------------------------------------- estructura - */
.wrap{
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.wrap--narrow{ max-width:1080px; }
.section{ padding-block:clamp(64px,9vw,140px); }
.rule{ height:1px; background:var(--line); border:0; margin:0; }

/* ----------------------------------------------------------------- nav ---- */
.site-head{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--line);
}
.site-head__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; min-height:74px;
}
.brand{
  font-size:.78rem; font-weight:400;
  letter-spacing:.2em; text-transform:uppercase; white-space:nowrap;
}
.brand span{ color:var(--ink-mute); }
.nav{ display:flex; align-items:center; gap:clamp(18px,2.4vw,38px); }
.nav a{
  font-size:.72rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--ink-soft); padding-block:6px;
  border-bottom:1px solid transparent;
  transition:color .3s var(--ease), border-color .3s var(--ease);
}
.nav a:hover, .nav a[aria-current="page"]{ color:var(--ink); border-color:var(--ink); }
.nav-toggle{ display:none; }

/* ---------------------------------------------------------------- hero ---- */
.hero{ padding-block:clamp(48px,7vw,96px) clamp(40px,5vw,72px); }
.hero__grid{
  display:grid; gap:clamp(28px,4vw,64px);
  grid-template-columns:minmax(0,1fr) minmax(0,.82fr);
  align-items:end;
}
.hero__meta{ display:flex; flex-direction:column; gap:22px; padding-bottom:8px; }
.hero__figure img{ width:100%; }
.hero-full{
  margin-top:clamp(48px,6vw,96px);
  display:grid; grid-template-columns:repeat(12,1fr);
  column-gap:clamp(14px,1.9vw,32px);
}
.hero-full figure{ grid-column:4 / span 6; background:var(--cream); }
.hero-full img{ width:100%; }
.hero-full figcaption{
  font-size:.68rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--ink-mute); padding-top:12px;
}
@media (max-width:1024px){ .hero-full figure{ grid-column:2 / span 10; } }
@media (max-width:640px){ .hero-full figure{ grid-column:1 / -1; } }

/* -------------------------------------------------------------- índice ---- */
.index-list{ display:flex; flex-direction:column; }
.index-item{
  display:grid;
  grid-template-columns:minmax(0,.44fr) minmax(0,.56fr);
  gap:clamp(24px,4vw,72px);
  align-items:center;
  padding-block:clamp(40px,5vw,76px);
  border-top:1px solid var(--line);
}
.index-item:last-child{ border-bottom:1px solid var(--line); }
.index-item:nth-child(even){ direction:rtl; }
.index-item:nth-child(even) > *{ direction:ltr; }
.index-item__num{
  font-size:.68rem; letter-spacing:.22em; color:var(--sand-deep);
  display:block; margin-bottom:18px;
}
.index-item__title{
  font-size:clamp(1.7rem,3.1vw,2.9rem); font-weight:200;
  letter-spacing:-.03em; line-height:1.04; margin-bottom:14px;
}
.index-item__disc{
  font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-mute); margin-bottom:20px;
}
.index-item__text{ color:var(--ink-soft); max-width:48ch; margin:0 0 26px; }
.index-item__media{ overflow:hidden; background:var(--cream); }
.index-item__media img{
  width:100%; aspect-ratio:4/3; object-fit:cover;
  transition:transform 1.1s var(--ease), filter .6s var(--ease);
}
.index-item:hover .index-item__media img{ transform:scale(1.035); }

/* --------------------------------------------------------------- enlace --- */
.link{
  display:inline-flex; align-items:center; gap:12px;
  font-size:.72rem; letter-spacing:.16em; text-transform:uppercase;
  border-bottom:1px solid var(--ink); padding-bottom:5px;
  transition:gap .35s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.link:hover{ gap:20px; }
.link--quiet{ border-color:var(--line); color:var(--ink-soft); }
.link--quiet:hover{ color:var(--ink); border-color:var(--ink); }

/* -------------------------------------------------------- proyecto: head -- */
.project-head{ padding-block:clamp(48px,6vw,104px) clamp(32px,4vw,56px); }
.project-head__grid{
  display:grid; gap:clamp(28px,4vw,72px);
  grid-template-columns:minmax(0,1fr) minmax(0,.72fr);
  align-items:start;
}
.project-head h1{ margin-bottom:24px; }

/* tabla de ficha */
.spec{ display:grid; gap:0; border-top:1px solid var(--line); }
.spec__row{
  display:grid; grid-template-columns:minmax(120px,.34fr) minmax(0,1fr);
  gap:20px; padding-block:15px; border-bottom:1px solid var(--line);
}
.spec__k{
  font-size:.66rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-mute); padding-top:3px;
}
.spec__v{ font-size:.92rem; color:var(--ink); line-height:1.55; }

/* ------------------------------------------------------ galería asimétrica */
.gallery{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:clamp(14px,1.9vw,32px);
  align-items:start;
}
.gallery figure{ background:var(--cream); overflow:hidden; }
.gallery img{ width:100%; display:block; cursor:zoom-in;
  transition:opacity .5s var(--ease); }
.gallery img:hover{ opacity:.9; }
.gallery figcaption{
  font-size:.68rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--ink-mute); padding:12px 2px 0; background:var(--paper);
}
/* Ancho en columnas. Se declara sobre `grid-column-end` para que se pueda
   componer con una columna de inicio (.s-*) sin pisarla. */
.g-3{ grid-column-end:span 3; }   .g-4{ grid-column-end:span 4; }
.g-5{ grid-column-end:span 5; }   .g-6{ grid-column-end:span 6; }
.g-7{ grid-column-end:span 7; }   .g-8{ grid-column-end:span 8; }
.g-9{ grid-column-end:span 9; }   .g-10{ grid-column-end:span 10; }
.g-12{ grid-column-end:span 12; }

/* Columna de inicio: deja aire a la izquierda sin romper la fila. */
.s-2{ grid-column-start:2; }  .s-3{ grid-column-start:3; }
.s-4{ grid-column-start:4; }  .s-7{ grid-column-start:7; }
.s-8{ grid-column-start:8; }  .s-9{ grid-column-start:9; }

/* Desfase vertical: el que produce el ritmo asimétrico. */
.g-down{ margin-top:clamp(28px,5vw,88px); }
.g-down-lg{ margin-top:clamp(48px,8vw,150px); }

/* bloque de texto intercalado en galería */
/* El texto se alinea con el borde superior de la imagen vecina y la acompaña
   mientras se recorre la pieza. */
.g-note{
  display:flex; align-items:flex-start;
  padding-top:clamp(6px,1vw,18px);
  position:sticky; top:clamp(96px,12vh,140px);
}
@media (max-width:1024px){ .g-note{ position:static; } }

/* ------------------------------------------------------------- pull quote - */
.pull{
  padding-block:clamp(56px,8vw,120px);
  display:grid; grid-template-columns:minmax(0,.34fr) minmax(0,1fr);
  gap:clamp(24px,4vw,64px);
}

/* --------------------------------------------------------- franja crema --- */
.band{ background:var(--cream); }
.band--sand{ background:var(--sand); color:var(--ink); }
.band .lead, .band .body-copy p{ color:var(--ink-soft); }

/* --------------------------------------------------------------- listas --- */
.stack{ display:flex; flex-direction:column; gap:clamp(20px,2.6vw,36px); }
.cols-2{
  display:grid; gap:clamp(24px,4vw,72px);
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
}
.cols-3{
  display:grid; gap:clamp(24px,3vw,52px);
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
}
.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  font-size:.66rem; letter-spacing:.14em; text-transform:uppercase;
  border:1px solid var(--line); border-radius:999px;
  padding:7px 15px; color:var(--ink-soft);
}
.bullets{ list-style:none; margin:0; padding:0; }
.bullets li{
  padding-block:13px; border-bottom:1px solid var(--line);
  color:var(--ink-soft); display:flex; gap:16px; align-items:baseline;
}
.bullets li::before{
  content:""; flex:0 0 auto; width:5px; height:5px; margin-top:.6em;
  background:var(--sand-deep); border-radius:50%;
}
.bullets li:first-child{ border-top:1px solid var(--line); }

/* dato duro */
.figures{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(20px,3vw,44px); }
.figure-stat__n{
  font-size:clamp(2.2rem,4vw,3.4rem); font-weight:200; letter-spacing:-.04em;
  line-height:1; display:block; margin-bottom:10px;
}
.figure-stat__l{
  font-size:.68rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--ink-mute); line-height:1.5;
}

/* ---------------------------------------------------------- prev / next --- */
.pager{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,3vw,40px);
  border-top:1px solid var(--line); padding-block:clamp(32px,4vw,56px);
}
.pager a{ display:flex; flex-direction:column; gap:9px; }
.pager__k{ font-size:.66rem; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-mute); }
.pager__t{ font-size:clamp(1.1rem,1.9vw,1.6rem); font-weight:200; letter-spacing:-.02em; }
.pager a:last-child{ text-align:right; align-items:flex-end; }

/* --------------------------------------------------------------- footer --- */
.site-foot{ border-top:1px solid var(--line); padding-block:clamp(48px,6vw,88px) 40px; }
.site-foot__grid{
  display:grid; gap:clamp(28px,4vw,64px);
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  margin-bottom:clamp(40px,5vw,72px);
}
.site-foot__base{
  display:flex; flex-wrap:wrap; gap:16px; justify-content:space-between;
  font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-mute);
}
.contact-line{ display:flex; flex-direction:column; gap:7px; }
.contact-line a{ color:var(--ink); border-bottom:1px solid var(--line); padding-bottom:3px;
  width:fit-content; transition:border-color .3s var(--ease); }
.contact-line a:hover{ border-color:var(--ink); }

/* ------------------------------------------------------------- lightbox --- */
.lb{
  position:fixed; inset:0; z-index:100;
  background:rgba(255,255,255,.985);
  display:flex; align-items:center; justify-content:center;
  padding:clamp(24px,4vw,64px);
  opacity:0; visibility:hidden; transition:opacity .35s var(--ease), visibility .35s;
}
.lb[data-open="true"]{ opacity:1; visibility:visible; }
.lb img{ max-width:100%; max-height:calc(100vh - 160px); width:auto; object-fit:contain; }
.lb__bar{
  position:absolute; left:0; right:0; bottom:0;
  display:flex; align-items:center; justify-content:space-between;
  gap:20px; padding:22px clamp(24px,4vw,64px);
  font-size:.68rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-mute);
}
.lb__close{
  position:absolute; top:clamp(18px,3vw,34px); right:clamp(20px,4vw,56px);
  font-size:.7rem; letter-spacing:.18em; text-transform:uppercase;
  border-bottom:1px solid var(--ink); padding-bottom:4px; color:var(--ink);
}
.lb__nav{ display:flex; gap:26px; }
.lb__nav button{ font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; color:var(--ink); }
.lb__nav button:hover{ color:var(--sand-deep); }

/* --------------------------------------------------------- reveal on scroll */
.reveal{ opacity:0; transform:translateY(18px);
  transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }

/* ------------------------------------------------------------ responsive -- */
@media (max-width:1024px){
  :root{ --gutter:32px; }
  .hero__grid,
  .project-head__grid,
  .pull{ grid-template-columns:1fr; }
  .pull{ gap:20px; }
  .index-item{ grid-template-columns:1fr; gap:24px; }
  .index-item:nth-child(even){ direction:ltr; }
  .index-item__media{ order:-1; }
  .g-3,.g-4,.g-5{ grid-column-end:span 6; }
  .g-7,.g-8,.g-9,.g-10{ grid-column-end:span 12; }
  .s-2,.s-3,.s-4,.s-7,.s-8,.s-9{ grid-column-start:auto; }
  .g-down,.g-down-lg{ margin-top:0; }
}
@media (max-width:640px){
  :root{ --gutter:24px; }
  body{ font-size:15px; }
  /* El nombre completo y el menú no caben en una línea a 375px:
     la cabecera se apila y el menú queda alineado a la izquierda. */
  .site-head__inner{
    flex-direction:column; align-items:flex-start;
    gap:6px; min-height:0; padding-block:12px;
  }
  .brand{ font-size:.7rem; letter-spacing:.16em; }
  .nav{ gap:20px; }
  .nav a{ font-size:.64rem; letter-spacing:.1em; padding-block:2px; }
  .gallery{ gap:14px; }
  .g-3,.g-4,.g-5,.g-6{ grid-column-end:span 12; }
  .pager{ grid-template-columns:1fr; }
  .pager a:last-child{ text-align:left; align-items:flex-start; }
  .spec__row{ grid-template-columns:1fr; gap:5px; }
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.01ms!important; transition-duration:.01ms!important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}

/* ----------------------------------------------------------------- print -- */
@media print{
  .site-head,.pager,.lb,.nav{ display:none; }
  body{ font-size:11pt; }
  .section{ padding-block:24px; }
}

/* ------------------------------------------------- portada tipográfica ---- */
/* Para proyectos cuyo material fotográfico aún no está incorporado.
   Mantiene el ritmo editorial de la grilla sin recurrir a imágenes ajenas. */
.cover-type{
  aspect-ratio:4/3; background:var(--cream);
  display:flex; flex-direction:column; justify-content:space-between;
  padding:clamp(22px,3vw,44px);
  transition:background .6s var(--ease);
}
.index-item:hover .cover-type{ background:var(--sand); }
.cover-type__t{
  font-size:clamp(1.5rem,2.8vw,2.6rem); font-weight:200;
  letter-spacing:-.03em; line-height:1.02; max-width:14ch;
}
.cover-type__f{
  font-size:.66rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-mute);
}

/* ------------------------------------------------------ pieza vertical ---- */
/* Contenedor para piezas digitales muy largas (landing, invitación scroll). */
.tall-frame{ max-height:min(78vh,760px); overflow:hidden; position:relative; }
.tall-frame::after{
  content:""; position:absolute; inset:auto 0 0 0; height:120px;
  background:linear-gradient(to bottom,rgba(255,255,255,0),var(--paper));
  pointer-events:none;
}

/* ------------------------------------------------------------ pendiente --- */
.pending{
  border:1px dashed var(--line); background:var(--cream);
  padding:clamp(22px,3vw,40px);
  display:flex; flex-direction:column; gap:12px;
}
.pending__t{
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase; color:var(--sand-deep);
}
.pending p{ margin:0; color:var(--ink-soft); font-size:.92rem; max-width:56ch; }