/* xdelosandes.cl — Xime Sánchez */
:root{
  --bg:#e7e7e7; --fg:#000; --mute:#555; --accent:#ffe600; --inv:#e7e7e7;
  --line:1px solid #000;
  --rail-l:330px; --rail-r:60px;
  --wide:"Archivo", "Helvetica Neue", Arial, sans-serif;
  --body:"Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:20px;line-height:1.5;
  padding-left:var(--rail-l);padding-right:var(--rail-r);min-height:100vh;display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;font-feature-settings:"ss01"}
::selection{background:var(--accent);color:#000}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
main{flex:1}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#000;color:#fff;padding:8px 12px}
:focus-visible{outline:2px solid #000;outline-offset:3px}

/* ---------- rails ---------- */
.rail{position:fixed;top:0;bottom:0;z-index:20;display:flex;background:var(--bg)}
.rail--left{left:0;width:var(--rail-l);border-right:var(--line)}
.rail--right{right:0;width:var(--rail-r);border-left:var(--line)}
.rail__corners{width:60px;flex:none;display:flex;flex-direction:column;justify-content:space-between;position:relative;
  font-size:22px;letter-spacing:.01em;padding:16px 0}
.rail--left .rail__corners{border-right:var(--line)}
.rail__corners::after{content:"";position:absolute;left:0;right:0;top:50%;border-top:var(--line)}
.rail__corners{padding:20px 0}
.mark{display:block;align-self:center;position:relative;width:22px;height:22px;border:1px solid #000;border-radius:50%;
  background:linear-gradient(#000,#000) center/1px 100% no-repeat,linear-gradient(#000,#000) center/100% 1px no-repeat}
.mark::after{content:"";position:absolute;inset:-9px;background:linear-gradient(#000,#000) center/1px 100% no-repeat,
  linear-gradient(#000,#000) center/100% 1px no-repeat;opacity:.5}
.rail__corners .mark:last-child{animation:spin 24s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.rail--right .rail__corners{width:100%}

.rail__name{flex:none;width:184px;display:flex;overflow:hidden;text-decoration:none;position:relative}
.marquee{flex:1;overflow:hidden;position:relative;display:flex;justify-content:center}
.marquee__track{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap;font-family:var(--wide);
  font-stretch:125%;font-weight:800;line-height:.86;display:block;animation:roll 60s linear infinite;will-change:transform}
.marquee--solid .marquee__track{font-size:96px}
.marquee--outline .marquee__track{font-size:40px;font-weight:500;color:transparent;-webkit-text-stroke:1px #000;
  animation-name:rollrev;animation-duration:80s}
.rail__name:hover .marquee__track{animation-play-state:paused}
@keyframes roll{from{transform:rotate(180deg) translateY(0)}to{transform:rotate(180deg) translateY(-50%)}}
@keyframes rollrev{from{transform:rotate(180deg) translateY(-50%)}to{transform:rotate(180deg) translateY(0)}}
.rail__name::before,.rail__name::after{content:"";position:absolute;left:0;right:0;height:70px;z-index:2;pointer-events:none}
.rail__name::before{top:0;background:linear-gradient(var(--bg),transparent)}
.rail__name::after{bottom:0;background:linear-gradient(transparent,var(--bg))}

.rail__nav{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;padding:16px 0;gap:16px}
.rail__nav a{writing-mode:vertical-rl;transform:rotate(180deg);font-size:clamp(20px,3.3vh,32px);line-height:1;text-decoration:none;
  letter-spacing:-.01em;position:relative;transition:color .2s}
.rail__nav a::before{content:"";position:absolute;inset:-4px -6px;background:var(--accent);transform:scaleY(0);
  transform-origin:bottom;transition:transform .35s var(--ease);z-index:-1}
.rail__nav a:hover::before,.rail__nav a[aria-current]::before{transform:scaleY(1)}

/* ---------- topbar (mobile) ---------- */
.topbar{display:none}

/* ---------- typographic system ---------- */
.wrap{max-width:820px;margin:0 auto;padding:0 32px}
.bar{display:flex;align-items:center;gap:28px;background:#1b1b1b;color:#eee;height:48px;padding:0 26px;
  font-size:22px;text-decoration:none;position:sticky;top:0;z-index:5;margin-bottom:34px}
.bar span:last-child{margin-left:auto;opacity:.6;font-size:16px}
.bar--link:hover{background:#000}
.bar__cats{text-transform:none}
.h1{font-family:var(--wide);font-stretch:125%;font-weight:700;font-size:clamp(38px,4.6vw,64px);line-height:1;
  letter-spacing:-.01em;margin:0 0 .5em;hyphens:auto;overflow-wrap:break-word}
.h2{font-family:var(--wide);font-stretch:125%;font-weight:600;font-size:clamp(22px,2.4vw,34px);line-height:1.12;margin:0 0 1em}
.h3{font-family:var(--wide);font-stretch:125%;font-weight:700;font-size:22px;margin:0 0 .8em;text-transform:uppercase;letter-spacing:.02em}
.lead{font-size:22px;max-width:36em;margin:0 0 2em}
.prose{hyphens:auto}
.prose p{margin:0 0 1.1em}
.prose a{text-underline-offset:3px}
.prose--big{font-size:22px}
.arrow{display:inline-flex;align-items:center;gap:12px;font-size:22px;text-decoration:none;border-bottom:var(--line);padding-bottom:2px}
.arrow::after{content:"→";transition:transform .3s var(--ease)}
.arrow:hover::after{transform:translateX(6px)}

/* ---------- home ---------- */
.is-home .foot{display:none}
.home{position:relative;height:100vh;height:100dvh;overflow:hidden;cursor:grab;touch-action:pan-y}
.home.is-drag{cursor:grabbing}
.home__lines{position:absolute;inset:0;width:100%;height:100%}
.home__scene{position:absolute;inset:0;z-index:1;perspective:1000px;perspective-origin:50% 50%}
.home__world{position:absolute;left:50%;top:50%;transform-style:preserve-3d}
.float{position:absolute;left:0;top:0;transform-origin:center;will-change:transform,opacity,filter;backface-visibility:hidden}
.float--img{width:300px;text-decoration:none}
.float--img img{width:100%;box-shadow:0 0 0 1px rgba(0,0,0,.06)}
.float__label{position:absolute;left:0;top:100%;margin-top:6px;font-size:15px;background:#000;color:#fff;padding:2px 8px;
  opacity:0;transition:opacity .2s;white-space:nowrap}
.float--img:hover .float__label,.float--img:focus-visible .float__label{opacity:1}
.float--word{font-family:var(--wide);font-stretch:125%;font-weight:800;font-size:150px;line-height:1;white-space:nowrap;
  pointer-events:none;user-select:none}
.float--outline{color:transparent;-webkit-text-stroke:2px #000;font-weight:700}
.home__intro{position:absolute;left:32px;bottom:30px;max-width:520px;z-index:3;background:var(--bg);padding:22px 24px 20px;border:var(--line)}
.home__intro h1{font-family:var(--wide);font-stretch:125%;font-weight:800;font-size:40px;line-height:1;margin:0 0 .4em}
.home__intro p{margin:0 0 .9em;font-size:18px;line-height:1.4}
.home__hint{position:absolute;right:28px;bottom:26px;margin:0;font-size:15px;z-index:3;opacity:.6}

/* ---------- listing ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 30px}
.filters a{border:var(--line);padding:6px 14px;text-decoration:none;font-size:17px;border-radius:999px;transition:background .2s,color .2s}
.filters a:hover{background:var(--accent)}
.filters a[aria-current]{background:#000;color:var(--inv)}
.filters sup{font-size:.65em}
.rows{list-style:none;margin:0 0 80px;padding:0;border-top:var(--line)}
.row{border-bottom:var(--line);position:relative}
.row a{display:grid;grid-template-columns:56px 1fr minmax(0,.9fr) 150px;gap:20px;align-items:baseline;padding:20px 32px;
  text-decoration:none;transition:background .25s,color .25s}
.row a:hover,.row a:focus-visible{background:var(--accent);color:#000}
.row__n{font-size:16px;opacity:.6}
.row__t{font-family:var(--wide);font-stretch:125%;font-weight:700;font-size:clamp(22px,2.3vw,34px);line-height:1.05}
.row__r{font-size:17px;line-height:1.35}
.row__c{font-size:14px;text-align:right;opacity:.7}
.row__img{display:none}

/* ---------- project ---------- */
.project .h2{font-weight:500}
.hero{margin:0 0 40px}
.hero a{display:block;cursor:zoom-in}
.video{position:relative;aspect-ratio:16/9;background:#000;margin:40px 0}
.video--vertical{aspect-ratio:9/16;max-width:360px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video__play{all:unset;cursor:pointer;position:absolute;inset:0;display:block}
.video__play img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:opacity .2s}
.video__play:hover img{opacity:1}
.video__btn{position:absolute;left:20px;bottom:20px;background:var(--accent);color:#000;padding:8px 16px;font-size:18px}
.insta{display:flex;justify-content:center;margin:40px 0}
.insta iframe{width:340px;max-width:100%;height:600px;border:0;background:#fff}
.ficha{border-top:var(--line);padding-top:24px;margin:50px 0 30px}
.ficha ul{list-style:none;margin:0;padding:0;font-size:17px}
.ficha li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:20px;border-bottom:1px solid rgba(0,0,0,.25);padding:9px 0}
.ficha li.ficha__full{grid-template-columns:1fr}
.ficha li span:first-child{opacity:.65}
.ficha li.ficha__full span{opacity:1}
.tags{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 60px}
.tags a{border:var(--line);border-radius:999px;padding:4px 14px;font-size:16px;text-decoration:none}
.tags a:hover{background:var(--accent)}
.gal{columns:3 280px;column-gap:10px;padding:0 32px;margin:0 0 60px}
.gal__item{display:block;margin:0 0 10px;break-inside:avoid;cursor:zoom-in;overflow:hidden}
.gal__item img{transition:transform .6s var(--ease),filter .4s}
.gal__item:hover img{transform:scale(1.03)}
.pn{display:grid;grid-template-columns:1fr 1fr;border-top:var(--line);margin-bottom:60px;padding:0}
.pn a{text-decoration:none;padding:26px 32px;display:flex;flex-direction:column;gap:6px}
.pn a+a{border-left:var(--line);text-align:right}
.pn a:hover{background:var(--accent)}
.pn span{font-size:15px;opacity:.7}
.pn strong{font-family:var(--wide);font-stretch:125%;font-size:24px;line-height:1.1}
.lb{position:fixed;inset:0;background:rgba(231,231,231,.97);z-index:100;display:flex;align-items:center;justify-content:center}
.lb[hidden]{display:none}
.lb img{max-width:calc(100vw - 160px);max-height:calc(100vh - 120px);width:auto;height:auto}
.lb button{all:unset;cursor:pointer;position:absolute;font-size:22px;padding:14px 18px}
.lb button:hover{background:var(--accent)}
.lb__x{top:10px;right:14px}.lb__p{left:10px;top:50%;transform:translateY(-50%)}.lb__n{right:10px;top:50%;transform:translateY(-50%)}
.lb__c{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);font-size:15px}

/* ---------- bio / docencia / contacto ---------- */
.facts{border-top:var(--line);margin:40px 0 80px}
.facts div{display:grid;grid-template-columns:180px 1fr;gap:20px;border-bottom:var(--line);padding:16px 0}
.facts dt{opacity:.65;font-size:17px}
.facts dd{margin:0;font-size:18px}
.doc-video .video{margin:0 0 50px}
.tl{list-style:none;margin:0 0 80px;padding:0;border-top:var(--line)}
.tl li{display:grid;grid-template-columns:140px 1fr;gap:20px;border-bottom:var(--line);padding:24px 0}
.tl__y{font-family:var(--wide);font-stretch:125%;font-weight:700;font-size:20px}
.tl h3{font-family:var(--wide);font-stretch:112%;font-weight:600;font-size:23px;line-height:1.15;margin:0 0 6px}
.tl p{margin:0;font-size:18px}
.tl .tl__w{margin:0 0 10px;opacity:.7;font-size:16px}
.mail{display:inline-block;font-family:var(--wide);font-stretch:125%;font-weight:700;font-size:clamp(24px,3.6vw,48px);
  line-height:1.05;text-decoration:none;border-bottom:3px solid #000;margin:10px 0 18px;overflow-wrap:anywhere}
.mail:hover{background:var(--accent)}
.copy{display:block;font:inherit;font-size:16px;background:none;border:var(--line);border-radius:999px;padding:6px 16px;cursor:pointer;margin-bottom:50px}
.copy:hover{background:var(--accent)}
.social{list-style:none;padding:0;margin:0 0 80px;border-top:var(--line)}
.social a{display:flex;justify-content:space-between;padding:18px 0;border-bottom:var(--line);text-decoration:none;font-size:24px}
.social a:hover{background:#000;color:var(--inv);padding-left:14px;padding-right:14px}
.social a{transition:padding .3s var(--ease),background .2s,color .2s}

/* ---------- footer ---------- */
.foot{border-top:var(--line);display:flex;flex-wrap:wrap;gap:8px 28px;padding:18px 32px;font-size:15px}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot span:last-child{margin-left:auto;opacity:.6}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  :root{--rail-l:250px}
  .rail__name{width:120px}
  .marquee--solid .marquee__track{font-size:64px}
  .marquee--outline .marquee__track{font-size:28px}
  .rail__nav a{font-size:clamp(18px,3vh,28px)}
  .row a{grid-template-columns:44px 1fr 1fr;}
  .row__c{display:none}
  .float--img{width:240px}
  .float--word{font-size:110px}
}
@media (max-width:820px){
  :root{--rail-l:0px;--rail-r:0px}
  body{font-size:18px}
  .rail{display:none}
  .topbar{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;background:var(--bg);
    border-bottom:var(--line);height:56px;padding:0 16px}
  .topbar__name{font-family:var(--wide);font-stretch:125%;font-weight:800;font-size:22px;text-decoration:none}
  .topbar__btn{font:inherit;font-size:17px;background:none;border:var(--line);border-radius:999px;padding:4px 14px;color:#000}
  .topbar__nav{position:fixed;inset:56px 0 0 0;background:var(--bg);display:flex;flex-direction:column;padding:10px 16px;z-index:40}
  .topbar__nav[hidden]{display:none}
  .topbar__nav a{font-family:var(--wide);font-stretch:125%;font-weight:700;font-size:38px;text-decoration:none;
    border-bottom:var(--line);padding:12px 0}
  .wrap{padding:0 16px}
  .bar__cats{display:none}
  .bar{top:56px;padding:0 16px;font-size:18px;margin:0 -16px 26px}
  .lead,.prose--big{font-size:19px}
  .rows{margin-bottom:50px}
  .row a{grid-template-columns:1fr;gap:4px;padding:18px 16px}
  .row__n{display:none}
  .row__img{display:block;padding:0 16px 18px}
  .gal{padding:0 16px;columns:2 140px;column-gap:6px}
  .gal__item{margin-bottom:6px}
  .pn a{padding:20px 16px}
  .pn strong{font-size:18px}
  .ficha li,.facts div,.tl li{grid-template-columns:1fr;gap:4px}
  .home{height:calc(100dvh - 56px)}
  .float--img{width:150px}
  .float--word{font-size:70px}
  .home__intro{left:12px;right:12px;bottom:12px;padding:16px}
  .home__intro h1{font-size:28px}
  .home__intro p{font-size:16px}
  .home__hint{display:none}
  .lb img{max-width:100vw;max-height:80vh}
  .foot{padding:18px 16px}
}
@media (prefers-reduced-motion:reduce){
  .marquee__track{animation:none}
  *{transition:none!important;scroll-behavior:auto!important}
}