/* benjasilva.com — basado en el manual de marca personal: negro, hueso, grises y el amarillo de resaltado. */
:root {
  --negro: #0c0c0d;
  --carbon: #19191b;
  --hueso: #f6f5f0;
  --blanco: #ffffff;
  --tinta: #121214;
  --gris: #5d5d63;
  --gris-claro: #d9d8d3;
  --gris-oscuro: #a3a3a9;
  --amarillo: #ffdf5d;
  --ultramar: #1d3596;
  --display: 'Anton', 'Impact', 'Arial Narrow', sans-serif;
  --texto: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ancho: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--hueso);
  color: var(--tinta);
  font: 400 1.0625rem/1.65 var(--texto);
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 3px; }
h1, h2, h3 { margin: 0; line-height: 1.1; }
p { margin: 0 0 1em; }

.saltar { position: absolute; left: -999px; top: 0; background: var(--amarillo); color: var(--negro); padding: .5rem 1rem; z-index: 10; }
.saltar:focus { left: 1rem; }

.envoltura { max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }
.envoltura-texto { max-width: 44rem; margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Barra ---------- */
.barra {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem var(--gutter);
  max-width: calc(var(--ancho) + 2 * var(--gutter)); margin: 0 auto;
  position: relative; z-index: 2;
}
.marca { font-weight: 700; text-decoration: none; letter-spacing: -.01em; white-space: nowrap; }
.barra nav { display: flex; gap: clamp(.75rem, 2.5vw, 1.75rem); font-size: .9375rem; }
.barra nav a { text-decoration: none; opacity: .8; }
.barra nav a:hover, .barra nav a[aria-current] { opacity: 1; text-decoration: underline; }
body.oscuro { background: var(--negro); }
body.oscuro .barra { color: var(--hueso); }

/* ---------- Portada ---------- */
.portada {
  background: radial-gradient(ellipse 70% 60% at 30% 20%, #2b2b2f 0%, var(--negro) 70%);
  color: var(--hueso);
  padding: clamp(2rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}
.portada-grid {
  display: grid;
  grid-template-columns: 1fr minmax(16rem, 26rem);
  grid-template-areas: "ante ante" "nombre nombre" "texto retrato";
  column-gap: 2rem;
  position: relative;
}
.antetitulo {
  grid-area: ante;
  font-size: .8125rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gris-oscuro); margin-bottom: 1rem;
}
.nombre-gigante {
  grid-area: nombre;
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(4.25rem, 15.5vw, 13.5rem); line-height: .86; letter-spacing: -.005em;
  color: #e6e5ea;
  position: relative; z-index: 0;
}
.nombre-gigante span { display: block; }
.nombre-gigante span + span { padding-left: clamp(0rem, 12vw, 11rem); }
.retrato {
  grid-area: retrato; margin: clamp(-15rem, -16vw, -6rem) 0 0; position: relative; z-index: 1;
  align-self: start;
}
.retrato img {
  width: 100%; filter: grayscale(1) contrast(1.05);
  box-shadow: 0 2rem 4rem rgba(0, 0, 0, .55);
}
.portada-texto { grid-area: texto; align-self: end; max-width: 34rem; padding-top: 2rem; }
.lead { font-size: clamp(1.1875rem, 2vw, 1.4375rem); line-height: 1.5; }
.portada .lead { color: #e9e8ec; }

.acciones { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.boton {
  display: inline-flex; align-items: center; justify-content: center; min-height: 3rem;
  padding: .75rem 1.375rem; border: 2px solid var(--amarillo);
  background: var(--amarillo); color: var(--negro);
  font-weight: 600; text-decoration: none; line-height: 1.2;
  transition: transform .15s ease, background-color .15s ease;
}
.boton:hover { transform: translateY(-2px); text-decoration: none; }
.boton-linea { background: transparent; color: inherit; border-color: currentColor; }

/* ---------- Frase ---------- */
.frase { background: var(--negro); color: var(--negro); padding: 0 0 clamp(3rem, 6vw, 5rem); }
.frase p {
  font-family: var(--display); text-transform: uppercase; margin: 0;
  font-size: clamp(2rem, 6vw, 4.5rem); line-height: 1.15;
}
.frase mark { background: var(--amarillo); color: var(--negro); padding: 0 .2em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* ---------- Secciones ---------- */
.claro, .oscura, .reto, .cierre { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.claro { background: var(--hueso); color: var(--tinta); }
.oscura { background: var(--negro); color: var(--hueso); }
.titulo-seccion, .titulo-pagina {
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(2.5rem, 6.5vw, 5rem); line-height: .95; letter-spacing: .005em;
  margin-bottom: 2rem;
}
.titulo-pagina { font-size: clamp(3.5rem, 12vw, 9rem); margin-bottom: 1.5rem; }
.dos-columnas { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 2rem 4rem; }
.texto .entrada, .prosa .entrada { font-size: 1.25rem; line-height: 1.55; font-weight: 500; }

.valores { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(3rem, 6vw, 5rem); }
.valores > div { padding: 1.5rem; border-top: 3px solid var(--tinta); }
.valores > div + div { border-left: 1px solid var(--gris-claro); }
.valores h3 { font-size: 1.0625rem; margin-bottom: .5rem; }
.valores p { color: var(--gris); margin: 0; font-size: .9375rem; }

.servicios { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: #2c2c30; border: 1px solid #2c2c30; }
.servicios article { background: var(--negro); padding: clamp(1.5rem, 3vw, 2.5rem); }
.servicios .num { font-family: var(--display); font-size: 1.25rem; color: var(--amarillo); }
.servicios h3 { font-size: clamp(1.25rem, 2.2vw, 1.625rem); margin: .75rem 0; }
.servicios p { color: var(--gris-oscuro); margin: 0; }

.trayectoria { list-style: none; margin: 0; padding: 0; border-left: 3px solid var(--tinta); }
.trayectoria li { padding: 0 0 2rem 1.75rem; position: relative; }
.trayectoria li::before { content: ''; position: absolute; left: -.6875rem; top: .3rem; width: 1.125rem; height: 1.125rem; border-radius: 50%; background: var(--tinta); }
.trayectoria li:last-child { padding-bottom: 0; }
.trayectoria h3 { font-size: 1.1875rem; margin-bottom: .375rem; }
.trayectoria p { color: var(--gris); margin: 0; }

/* ---------- Reto ---------- */
.reto { background: var(--carbon); color: var(--hueso); }
.reto-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 3rem; align-items: center; }
.reto p { color: #d6d5da; max-width: 38rem; }
.reto a:not(.boton) { color: var(--blanco); }
.reto .antetitulo { margin-bottom: .75rem; }
.muestra-azul {
  aspect-ratio: 4 / 5; position: relative; display: flex; align-items: flex-end; padding: 1.5rem;
  background: radial-gradient(ellipse 80% 70% at 35% 25%, #5a78ff 0%, var(--ultramar) 45%, #040a2b 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12), 0 1.5rem 3rem rgba(0,0,0,.45);
}
.muestra-azul span { font-family: var(--display); text-transform: uppercase; font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1; color: #fff; }

/* ---------- Tarjetas ---------- */
.cabecera-lista { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.cabecera-lista a { font-weight: 600; }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: 1.5rem; }
.tarjeta {
  background: var(--blanco); border: 1px solid var(--gris-claro); padding: 1.75rem;
  display: flex; flex-direction: column; position: relative;
  transition: transform .15s ease, box-shadow .15s ease;
}
.tarjeta:hover { transform: translateY(-3px); box-shadow: 0 .75rem 2rem rgba(0,0,0,.08); }
.tarjeta h3 { font-size: 1.375rem; line-height: 1.25; margin: .75rem 0; }
.tarjeta h3 a { text-decoration: none; }
.tarjeta h3 a::after { content: ''; position: absolute; inset: 0; }
.tarjeta p { color: var(--gris); }
.tarjeta .leer { margin-top: auto; font-weight: 600; text-decoration: none; }
.tarjeta-meta { font-size: .8125rem; color: var(--gris); display: flex; gap: .75rem; align-items: center; margin: 0; }
.tarjeta-meta span { background: var(--tinta); color: var(--hueso); padding: .125rem .5rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: .75rem; }
.cabecera-blog .lead { max-width: 40rem; margin-bottom: 3rem; color: var(--gris); }

/* ---------- Cierre ---------- */
.cierre { background: var(--negro); color: var(--hueso); }
.cierre h2 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: clamp(2.25rem, 5.5vw, 4.25rem); line-height: 1.02; max-width: 20ch; margin-bottom: 1.5rem; }
.cierre p { color: var(--gris-oscuro); max-width: 38rem; }

/* ---------- Artículo ---------- */
.articulo-cabecera { background: var(--negro); color: var(--hueso); padding: clamp(2rem, 6vw, 4rem) 0 clamp(2.5rem, 6vw, 4.5rem); margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.articulo-cabecera .tarjeta-meta { color: var(--gris-oscuro); margin-bottom: 1.25rem; }
.articulo-cabecera .tarjeta-meta span { background: var(--amarillo); color: var(--negro); }
.articulo-cabecera h1 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: clamp(2.25rem, 6vw, 4rem); line-height: 1.02; }
.migas { font-size: .875rem; color: var(--gris-oscuro); margin-bottom: 1.5rem; }
.prosa { font-size: 1.125rem; line-height: 1.75; }
.prosa h2 { font-size: clamp(1.5rem, 3vw, 1.875rem); margin: 2.5rem 0 1rem; letter-spacing: -.01em; }
.prosa ul, .prosa ol { padding-left: 1.25rem; margin: 0 0 1.25em; }
.prosa li { margin-bottom: .625em; }
.prosa li::marker { font-weight: 700; }
.prosa a { color: var(--ultramar); }
.prosa blockquote {
  margin: 2.5rem 0; padding: 1.25rem 1.5rem; background: var(--amarillo); color: var(--negro);
  font-size: clamp(1.25rem, 2.6vw, 1.5rem); line-height: 1.4; font-weight: 600;
}
.autor { display: flex; gap: 1.25rem; align-items: center; margin-top: 3rem; margin-bottom: clamp(3rem, 6vw, 5rem); padding-top: 2rem; border-top: 1px solid var(--gris-claro); }
.autor img { width: 5rem; height: 5rem; object-fit: cover; object-position: top; border-radius: 50%; filter: grayscale(1); flex: none; }
.autor-nombre { font-weight: 700; margin-bottom: .25rem; }
.autor p:last-child { margin: 0; color: var(--gris); font-size: .9375rem; }

/* ---------- Pie ---------- */
.pie { background: var(--negro); color: var(--gris-oscuro); padding: 3rem 0; font-size: .9375rem; border-top: 1px solid #26262a; }
.pie a { color: var(--hueso); }
.pie-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.pie-nombre { font-family: var(--display); text-transform: uppercase; font-size: 1.75rem; color: var(--hueso); margin-bottom: .5rem; }
.pie-legal { font-size: .8125rem; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .portada-grid { grid-template-columns: 1fr; grid-template-areas: "ante" "nombre" "retrato" "texto"; }
  .nombre-gigante span + span { padding-left: 0; }
  .retrato { margin: 1.5rem 0 0; max-width: 22rem; width: 82%; }
  .dos-columnas, .reto-grid, .pie-grid { grid-template-columns: 1fr; }
  .titulo-seccion { margin-bottom: 1.25rem; }
  .valores { grid-template-columns: 1fr 1fr; }
  .valores > div:nth-child(3) { border-left: 0; }
  .servicios { grid-template-columns: 1fr; }
  .muestra-azul { aspect-ratio: 16 / 7; }
}
@media (max-width: 520px) {
  .barra { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .barra nav { gap: 1rem; font-size: .875rem; }
  .valores { grid-template-columns: 1fr; }
  .valores > div + div { border-left: 0; }
  .boton { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  .nombre-gigante span, .retrato, .portada-texto { animation: aparecer .7s cubic-bezier(.2, .7, .2, 1) both; }
  .nombre-gigante span + span { animation-delay: .08s; }
  .retrato { animation-delay: .18s; }
  .portada-texto { animation-delay: .28s; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .boton, .tarjeta { transition: none; } }
@keyframes aparecer { from { opacity: 0; transform: translateY(1.25rem); } to { opacity: 1; transform: none; } }