/* Platekestu — hoja de estilo común */

:root{
  --bg:#f4f2ed;
  --bg-alt:#e6e3dc;
  --bg-dark:#16151a;
  --ink:#16151a;
  --ink-soft:#6d6a63;
  --ink-inv:#f4f2ed;
  --blue:#1f3fa8;
  --red:#c0452e;
  --step:80px;
  --wrap:1200px;
  --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:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
}

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

a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{text-decoration-thickness:2px;}

a:focus-visible,
:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}

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

.grid12{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

/* ---------- Cabecera y navegación ---------- */

.site-head{
  border-bottom:0;
  padding:22px 0 18px;
  background:var(--bg);
}

.head-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 28px;
}

.brand{
  font-size:19px;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--blue);}

.brand .brand-mark{
  display:inline-block;
  width:8px;
  height:8px;
  background:var(--red);
  margin-right:10px;
  vertical-align:middle;
}

.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
}

.site-nav a{
  font-size:15px;
  color:var(--ink);
  text-decoration:none;
  padding:2px 0;
  border-bottom:1px solid transparent;
}
.site-nav a:hover{border-bottom-color:var(--blue);color:var(--blue);}
.site-nav a[aria-current="page"]{border-bottom-color:var(--red);}

/* ---------- Hero ---------- */

.hero{padding:56px 0 var(--step);}

.hero-grid{align-items:start;row-gap:36px;}

.hero-left{grid-column:1 / span 7;}
.hero-right{grid-column:9 / span 4;}

.kicker{
  font-size:13px;
  line-height:1.5;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--red);
  margin:0 0 20px;
}

h1{
  font-size:clamp(38px,5.6vw,68px);
  line-height:1.03;
  font-weight:700;
  letter-spacing:-0.032em;
  margin:0;
  max-width:14ch;
}

/* eje horizontal + tres líneas verticales (gráfico CSS) */
.axis{margin-top:34px;}
.axis-bar{
  height:2px;
  background:var(--blue);
  width:100%;
}
.axis-drops{
  display:flex;
  gap:76px;
  padding-left:6px;
}
.axis-drops span{
  display:block;
  width:2px;
  background:var(--blue);
  position:relative;
}
.axis-drops span::after{
  content:"";
  position:absolute;
  left:-3px;
  bottom:-8px;
  width:8px;
  height:8px;
  background:var(--blue);
}
.axis-drops span:nth-child(1){height:54px;}
.axis-drops span:nth-child(2){height:88px;}
.axis-drops span:nth-child(3){height:32px;background:var(--red);}
.axis-drops span:nth-child(3)::after{background:var(--red);}

.lede{
  margin:0;
  font-size:18px;
  line-height:1.65;
}
.lede + .lede{margin-top:16px;}

/* ---------- Imagen principal ---------- */

.figure-main{
  margin:0 0 var(--step);
}
.figure-main .grid12{align-items:end;row-gap:16px;}

.figure-main .fig-caption{
  grid-column:1 / span 2;
  font-size:13px;
  line-height:1.5;
  color:var(--ink-soft);
  margin:0;
  padding-bottom:2px;
}
.figure-main .fig-img{
  grid-column:4 / span 9;
}
.figure-main img{width:100%;}

/* ---------- Bandas y secciones ---------- */

.band{padding:var(--step) 0;}
.band--alt{background:var(--bg-alt);}
.band--dark{background:var(--bg-dark);color:var(--ink-inv);}
.band--dark h2,.band--dark h3{color:var(--ink-inv);}
.band--dark .muted{color:#b4b0a8;}
.band--dark a{color:#9db2ee;}

.sec{row-gap:8px;}

.sec-head{
  grid-column:1 / span 3;
  position:relative;
}

.sec-head::before{
  content:"";
  position:absolute;
  left:-18px;
  top:11px;
  width:8px;
  height:8px;
  background:var(--red);
}

.sec-num{
  display:block;
  font-size:13px;
  letter-spacing:0.09em;
  color:var(--red);
  margin-bottom:8px;
}
.band--dark .sec-num{color:#e09081;}

h2{
  font-size:clamp(23px,2.4vw,30px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-0.018em;
  margin:0;
}

.sec-body{
  grid-column:5 / span 7;
}

.sec-body > p:first-child{margin-top:0;}
.sec-body p{margin:0 0 18px;}
.sec-body > *:last-child{margin-bottom:0;}

h3{
  font-size:19px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-0.01em;
  margin:32px 0 10px;
}

.muted{color:var(--ink-soft);}

/* listas */
.list{
  list-style:none;
  margin:0 0 18px;
  padding:0;
}
.list li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
}
.list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  background:var(--blue);
}
.band--dark .list li::before{background:#9db2ee;}

.list--num{counter-reset:step;}
.list--num li{padding-left:34px;}
.list--num li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  background:none;
  width:auto;
  height:auto;
  top:0;
  font-size:13px;
  letter-spacing:0.06em;
  color:var(--red);
}

/* definiciones cortas */
.defs{margin:0;}
.defs dt{
  font-weight:700;
  margin-top:18px;
}
.defs dd{
  margin:4px 0 0;
}

/* ---------- Sección oscura con imagen de detalle ---------- */

.detail-grid{align-items:start;row-gap:32px;}

.detail-fig{
  grid-column:2 / span 4;
  margin:0;
}
.detail-fig img{width:100%;}
.detail-fig figcaption{
  font-size:13px;
  line-height:1.5;
  color:#b4b0a8;
  margin-top:12px;
}

.detail-text{grid-column:7 / span 6;}
.detail-text > p:first-of-type{margin-top:0;}

/* ---------- Contacto ---------- */

.contact-line{
  font-size:19px;
  font-weight:700;
  margin:0 0 10px;
}

/* ---------- About: dos ejes con línea vertical ---------- */

.about-grid{
  position:relative;
  row-gap:var(--step);
}
.about-grid::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:calc((100% + var(--gap)) / 12 * 4 - var(--gap) / 2 - 1px);
  width:1px;
  background:#cfcbc2;
}
.about-grid .sec-head{grid-column:1 / span 3;}
.about-grid .sec-body{grid-column:5 / span 7;}

/* ---------- Pie ---------- */

.site-foot{
  background:var(--bg-dark);
  color:var(--ink-inv);
  padding:56px 0 48px;
}

.foot-top{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 24px;
}
.foot-name{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  letter-spacing:-0.02em;
  margin:0;
}
.foot-mail{font-size:17px;}
.foot-mail a{color:#9db2ee;}

.foot-rule{
  height:1px;
  background:#3a383f;
  margin:26px 0 22px;
}

.foot-links{
  list-style:none;
  margin:0 0 20px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
}
.foot-links a{
  color:var(--ink-inv);
  font-size:15px;
  text-decoration:none;
  border-bottom:1px solid #3a383f;
  padding-bottom:2px;
}
.foot-links a:hover{border-bottom-color:#9db2ee;color:#9db2ee;}

.foot-note{
  margin:0;
  font-size:13px;
  line-height:1.6;
  color:#b4b0a8;
  max-width:62ch;
}

/* ---------- Páginas internas ---------- */

.page-head{padding:48px 0 var(--step);}
.page-head .grid12{align-items:start;row-gap:24px;}
.page-head .ph-title{grid-column:1 / span 7;}
.page-head .ph-lede{grid-column:9 / span 4;}
.page-head h1{font-size:clamp(32px,4.4vw,54px);max-width:18ch;}
.page-head .axis{margin-top:28px;}

/* ---------- Responsive ---------- */

@media (max-width:1000px){
  .hero-left,.hero-right,
  .page-head .ph-title,.page-head .ph-lede{grid-column:1 / span 12;}
  .figure-main .fig-img{grid-column:3 / span 10;}
  .figure-main .fig-caption{grid-column:1 / span 12;order:2;}
  .sec-head{grid-column:1 / span 12;margin-bottom:14px;}
  .sec-body{grid-column:1 / span 12;}
  .about-grid .sec-head,.about-grid .sec-body{grid-column:1 / span 12;}
  .about-grid{row-gap:40px;}
  .about-grid::before{display:none;}
  .detail-fig{grid-column:1 / span 6;}
  .detail-text{grid-column:1 / span 12;}
  .axis-drops{gap:56px;}
}

@media (max-width:640px){
  :root{--step:48px;--gap:16px;}
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .hero{padding:36px 0 var(--step);}
  .page-head{padding:32px 0 var(--step);}
  h1{max-width:none;}
  .lede{font-size:17px;}
  .figure-main .fig-img{grid-column:1 / span 12;}
  .detail-fig{grid-column:1 / span 12;}
  .sec-head::before{left:-14px;}
  .axis-drops{gap:38px;}
  .axis-drops span:nth-child(2){height:64px;}
  .site-nav ul{gap:6px 16px;}
  .foot-top{display:block;}
  .foot-mail{margin-top:8px;}
}

@media (max-width:380px){
  .wrap{padding:0 16px;}
  .sec-head::before{left:-10px;}
}