/* Pravoto — taller de grabado y estampa */

:root{
  --bg:#101a24;
  --bg-alt:#16232f;
  --bg-light:#e9edf0;
  --ink:#e3e9ee;
  --ink-dim:#8b9aa6;
  --ink-dark:#101a24;
  --ink-dark-dim:#4d5c68;
  --acc:#3fb3ae;
  --acc2:#d8a15a;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;}

a{color:var(--acc);text-decoration:none;border-bottom:1px solid rgba(63,179,174,.45);}
a:hover{border-bottom-color:var(--acc);}
a:focus-visible{
  outline:2px solid var(--acc);
  outline-offset:3px;
  border-bottom-color:transparent;
}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.05;margin:0;}
h1{font-size:clamp(2.3rem,5.4vw,3.85rem);letter-spacing:-.01em;}
h2{font-size:clamp(1.5rem,2.9vw,2.05rem);}
h3{font-size:1.18rem;line-height:1.25;}

p{margin:0 0 1.15em;max-width:68ch;}
p:last-child{margin-bottom:0;}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

.c7{grid-column:1 / span 7;}
.c9{grid-column:1 / span 9;}

/* ---------- rhythm ---------- */
.r-a{padding:72px 0;}
.r-b{padding:88px 0;}
.r-c{padding:104px 0;}

.tone{background:var(--bg-alt);}

/* ---------- header / nav ---------- */
.site-head{
  border-bottom:1px solid rgba(139,154,166,.22);
  padding:20px 0;
}
.head-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 28px;
}
.brand{
  font-family:var(--serif);
  font-size:1.42rem;
  letter-spacing:.02em;
  color:var(--ink);
  border-bottom:0;
}
.brand:hover{color:var(--acc);}
.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
  margin:0;
  padding:0;
  font-size:15px;
}
.site-nav a{
  color:var(--ink-dim);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover{color:var(--ink);border-bottom-color:var(--acc);}
.site-nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--acc2);}

/* ---------- hero ---------- */
.hero{padding:96px 0 80px;}
.hero-grid{
  display:grid;
  grid-template-columns:34px 1fr;
  column-gap:26px;
}
.dimline{
  position:relative;
  border-left:1px solid rgba(139,154,166,.5);
  margin-left:11px;
}
.dimline::before,.dimline::after{
  content:"";
  position:absolute;
  left:-8px;
  width:17px;
  height:1px;
  background:var(--acc2);
}
.dimline::before{top:0;}
.dimline::after{bottom:0;}

.hero h1{margin-bottom:34px;}
.hero h1 .l1,.hero h1 .l2{display:block;}
.hero h1 .l2{
  padding-left:8.333%;
  color:var(--ink-dim);
}

.measure{
  display:flex;
  align-items:center;
  gap:14px;
  max-width:78%;
  margin-bottom:34px;
}
.measure .seg{
  flex:1 1 auto;
  height:1px;
  background:rgba(139,154,166,.45);
  position:relative;
}
.measure .seg::before{
  content:"";
  position:absolute;
  top:-4px;
  width:1px;
  height:9px;
  background:var(--acc2);
}
.measure .seg.left::before{left:0;}
.measure .seg.right::before{right:0;}
.measure span.tag{
  font-size:13px;
  color:var(--acc2);
  line-height:1.4;
  white-space:nowrap;
}

.intro{
  font-size:1.09rem;
  color:var(--ink);
  max-width:52ch;
}

/* ---------- figures ---------- */
.figblock{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
  align-items:start;
}
.figblock figure{
  grid-column:1 / span 7;
  margin:0;
}
.figblock img{width:100%;}
.callout{
  grid-column:9 / span 4;
  position:relative;
  padding-top:56px;
  font-size:13px;
  line-height:1.65;
  color:var(--ink-dim);
}
.callout::before{
  content:"";
  position:absolute;
  top:64px;
  left:-14%;
  width:14%;
  height:1px;
  background:var(--acc);
}
.callout b{
  display:block;
  font-weight:400;
  color:var(--acc2);
  margin-bottom:6px;
}

/* ---------- separators ---------- */
.sep{margin:0 0 40px;}
.sep .thin{height:1px;background:rgba(139,154,166,.32);width:100%;}
.sep .thick{height:3px;background:var(--acc);width:16.66%;margin-top:5px;}

.light .sep .thin{background:rgba(16,26,36,.22);}

/* ---------- content ---------- */
.lead-note{
  font-size:13px;
  color:var(--acc2);
  margin-bottom:14px;
}
h2 + p,h2 + ul,h2 + ol{margin-top:20px;}
section h2{margin-bottom:4px;}

ul,ol{max-width:66ch;padding-left:20px;margin:0 0 1.2em;}
li{margin-bottom:.55em;}
li::marker{color:var(--acc);}
ol li::marker{color:var(--acc2);}

.terms{margin:0 0 1.3em;max-width:66ch;}
.terms dt{font-family:var(--serif);font-size:1.1rem;margin-top:18px;}
.terms dd{margin:4px 0 0;color:var(--ink-dim);}

.checklist{list-style:none;padding-left:0;}
.checklist li{
  padding-left:22px;
  position:relative;
}
.checklist li::before{
  content:"";
  position:absolute;
  left:0;
  top:.75em;
  width:10px;
  height:1px;
  background:var(--acc);
}

.subhead{margin-top:36px;margin-bottom:10px;}

.index-list{
  list-style:none;
  padding-left:0;
  columns:2;
  column-gap:48px;
  max-width:none;
}
.index-list li{
  break-inside:avoid;
  padding-left:26px;
  position:relative;
}
.index-list li .num{
  position:absolute;
  left:0;
  top:0;
  font-size:13px;
  color:var(--acc2);
}

/* ---------- light contrast section ---------- */
.light{
  background:var(--bg-light);
  color:var(--ink-dark);
}
.light h2,.light h3{color:var(--ink-dark);}
.light a{color:#1f6f6c;border-bottom-color:rgba(31,111,108,.4);}
.light a:focus-visible{outline-color:#1f6f6c;}
.light .lead-note{color:#8a6427;}
.light li::marker{color:#1f6f6c;}
.light .sep .thick{background:#1f6f6c;}
.light .checklist li::before{background:#1f6f6c;}
.light figcaption{color:var(--ink-dark-dim);}

.split{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
  align-items:start;
  margin-top:36px;
}
.split figure{
  grid-column:8 / span 5;
  margin:0;
}
.split figure img{width:100%;}
.split figcaption{
  font-size:13px;
  line-height:1.6;
  margin-top:10px;
}
.split .split-text{grid-column:1 / span 6;}

/* ---------- about ---------- */
.about-rail{
  position:relative;
  padding-left:30px;
  border-left:1px solid rgba(139,154,166,.4);
}
.about-block{position:relative;margin-bottom:44px;}
.about-block:last-child{margin-bottom:0;}
.about-block::before{
  content:"";
  position:absolute;
  left:-30px;
  top:.9em;
  width:18px;
  height:1px;
  background:var(--acc2);
}
.about-block h2{margin-bottom:16px;}
.about-block p{max-width:64ch;}

/* ---------- contact ---------- */
.contact-line{
  font-size:1.05rem;
  margin-top:18px;
}

/* ---------- footer ---------- */
.site-foot{
  padding:60px 0 34px;
  border-top:1px solid rgba(139,154,166,.32);
  background:var(--bg);
}
.foot-rule{
  height:3px;
  width:16.66%;
  background:var(--acc);
  margin-bottom:44px;
}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
  row-gap:36px;
}
.foot-brand{grid-column:1 / span 5;}
.foot-brand .name{
  font-family:var(--serif);
  font-size:2rem;
  line-height:1.1;
  display:block;
  margin-bottom:12px;
}
.foot-brand p{
  font-size:14px;
  color:var(--ink-dim);
  max-width:34ch;
}
.foot-col{grid-column:span 3;}
.foot-col:nth-of-type(2){grid-column:7 / span 3;}
.foot-col:nth-of-type(3){grid-column:10 / span 3;}
.foot-col h2{
  font-family:var(--sans);
  font-size:13px;
  font-weight:400;
  color:var(--acc2);
  margin-bottom:14px;
  line-height:1.4;
}
.foot-col ul{list-style:none;padding:0;margin:0;font-size:15px;}
.foot-col li{margin-bottom:8px;}
.foot-col a{color:var(--ink-dim);border-bottom-color:transparent;}
.foot-col a:hover{color:var(--ink);border-bottom-color:var(--acc);}
.foot-bottom{
  margin-top:48px;
  padding-top:18px;
  border-top:1px solid rgba(139,154,166,.22);
  font-size:13px;
  color:var(--ink-dim);
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero{padding:64px 0 52px;}
  .hero-grid{grid-template-columns:24px 1fr;column-gap:18px;}
  .hero h1 .l2{padding-left:6%;}
  .measure{max-width:100%;}
  .r-a,.r-b,.r-c{padding:56px 0;}
  .figblock figure{grid-column:1 / span 12;}
  .callout{
    grid-column:1 / span 12;
    padding-top:18px;
  }
  .callout::before{
    top:0;
    left:0;
    width:56px;
  }
  .split figure,.split .split-text{grid-column:1 / span 12;}
  .split figure{margin-top:28px;max-width:420px;}
  .c7,.c9{grid-column:1 / span 12;}
  .foot-brand,.foot-col,
  .foot-col:nth-of-type(2),.foot-col:nth-of-type(3){grid-column:1 / span 12;}
  .index-list{columns:1;}
  .sep .thick,.foot-rule{width:33%;}
}

@media (max-width:560px){
  body{font-size:16px;line-height:1.75;}
  .wrap{padding:0 20px;}
  .r-a,.r-b,.r-c{padding:44px 0;}
  .hero{padding:48px 0 44px;}
  .measure{flex-wrap:wrap;gap:10px;}
  .measure span.tag{white-space:normal;}
  .foot-brand .name{font-size:1.6rem;}
}