:root {
    --paper: #f6f4ef;
    --paper-2: #ece8de;
    --ink: #1d1b18;
    --muted: #5b564e;
    --faint: #8a8478;
    --rule: #d8d3c8;
    --serif: 'Instrument Serif', serif;
    --sans: 'Instrument Sans', sans-serif;
    --mono: 'DM Mono', monospace;
    --gutter: 56px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
}
a { color: inherit; text-decoration: none; }
a:hover { opacity: .7; }

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 26px var(--gutter);
    font-size: 13px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.brand { font-family: var(--serif); font-size: 26px; letter-spacing: 0; text-transform: none; }
.site-nav { display: flex; gap: 32px; }

.hero {
    padding: 70px var(--gutter) 50px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 56px;
    align-items: end;
}
.hero h1 {
    margin: 0;
    font: 400 clamp(52px, 9.5vw, 104px)/.92 var(--serif);
    letter-spacing: -.02em;
}
.hero p { margin: 0 0 10px; font-size: 15px; line-height: 1.6; max-width: 320px; color: var(--muted); }

.serie { padding: 0 var(--gutter); }
.serie + .serie { padding-top: 60px; }
.serie-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    border-top: 1px solid var(--ink);
    padding-top: 14px;
    margin-bottom: 22px;
}
.serie-head h2 { margin: 0; font: italic 400 40px var(--serif); }
.serie-head span { font-size: 12px; color: var(--muted); }

.rows { display: flex; flex-wrap: wrap; gap: 14px; }
.obra {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.obra a { display: block; cursor: zoom-in; }
.obra img {
    display: block;
    width: 100%;
    height: auto;
    background: var(--paper-2);
    box-shadow: 0 8px 18px -10px rgba(0,0,0,.4);
}
.obra figcaption { font: italic 15px var(--serif); }

.artista {
    margin: 70px var(--gutter) 0;
    padding: 40px 0;
    border-top: 1px solid var(--ink);
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 56px;
}
.retrato {
    aspect-ratio: 4/5;
    background: repeating-linear-gradient(135deg, #e6e1d6 0 8px, #ece8de 8px 16px);
    display: grid;
    place-items: center;
    font: 11px var(--mono);
    color: var(--faint);
}
.artista h2 { margin: 0 0 16px; font: italic 400 40px var(--serif); }
.artista p { font-size: 17px; line-height: 1.65; color: #3b3731; margin: 0 0 18px; max-width: 520px; }
.contacto { font-size: 13px; line-height: 1.9; border-top: 1px solid var(--rule); padding-top: 16px; max-width: 360px; }

.site-footer {
    padding: 18px var(--gutter);
    font-size: 11px;
    color: var(--faint);
    border-top: 1px solid var(--rule);
    display: flex;
    justify-content: space-between;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    grid-template-columns: 1fr 340px;
    background: var(--paper-2);
}
.lightbox.open { display: grid; }
.lb-stage { display: grid; place-items: center; padding: 40px; min-width: 0; min-height: 0; touch-action: pan-y; }
.lb-stage img {
    max-width: 100%;
    max-height: calc(100vh - 80px);
    box-shadow: 0 20px 40px -18px rgba(0,0,0,.5);
}
.lb-info {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-left: 1px solid var(--rule);
}
.lb-count { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.lb-title { font: italic 38px/1 var(--serif); }
.lb-nav { margin-top: auto; display: flex; justify-content: space-between; font-size: 13px; }
.lb-nav button, .lb-close {
    background: none;
    border: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
}
.lb-nav button:hover, .lb-close:hover { opacity: .7; }
.lb-close { align-self: flex-end; font-size: 13px; }

@media (max-width: 800px) {
    :root { --gutter: 20px; }
    .site-header { padding-top: 18px; padding-bottom: 18px; }
    .site-nav { gap: 16px; font-size: 11px; }
    .hero, .artista { grid-template-columns: 1fr; gap: 28px; }
    .hero { padding-top: 40px; }
    .serie-head { flex-wrap: wrap; gap: 4px 16px; }
    .rows { gap: 8px; }
    .lightbox { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
    .lb-stage { padding: 16px; }
    .lb-stage img { max-height: calc(100vh - 220px); }
    .lb-info { border-left: 0; border-top: 1px solid var(--rule); padding: 16px 20px; gap: 6px; }
    .lb-title { font-size: 26px; }
}