/* ============================================================
   DeBlácus — dark museum-gallery concept
   ============================================================ */
:root {
  --bg: #171410;
  --bg-panel: #0f0d0a;
  --bg-panel-raised: #1c1812;
  --ink: #eae1cc;
  --ink-muted: #948a76;
  --ink-faint: #6b6353;
  --brass: #b9905a;
  --brass-dim: #8a6c44;
  --hairline: #332d25;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --gutter: clamp(20px, 5vw, 64px);
  --max-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

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

/* Nav */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  background: linear-gradient(to bottom, rgba(15,13,10,0.85), rgba(15,13,10,0));
  backdrop-filter: blur(2px);
}
.site-nav.is-scrolled { background: rgba(15,13,10,0.92); border-bottom: 1px solid var(--hairline); }
.site-nav__name { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: 0.02em; text-decoration: none; color: var(--ink); }
.site-nav__links { display: flex; gap: clamp(18px, 3vw, 36px); list-style: none; margin: 0; padding: 0; }
.site-nav__links a { text-decoration: none; color: var(--ink-muted); font-size: 0.95rem; transition: color 0.2s ease; }
.site-nav__links a:hover, .site-nav__links a:focus-visible { color: var(--ink); }

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--bg-panel);
}
.hero__image {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 20%;
  filter: saturate(0.92) brightness(0.72);
}
.hero__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,13,10,0.92) 0%, rgba(15,13,10,0.25) 45%, rgba(15,13,10,0.15) 100%);
}
.hero__plaque { position: relative; z-index: 2; padding: 0 var(--gutter) 64px; max-width: 640px; }
.hero__eyebrow { display: inline-block; font-size: 0.8rem; color: var(--brass); border-top: 1px solid var(--brass-dim); padding-top: 10px; margin-bottom: 18px; letter-spacing: 0.03em; }
.hero__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.05; margin: 0 0 14px; }
.hero__desc { color: var(--ink-muted); font-size: 1.05rem; max-width: 46ch; margin: 0; }

section { padding: 96px 0; }
.section-head { margin-bottom: 48px; max-width: 640px; }
.section-head h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 0 0 12px; }
.section-head p { color: var(--ink-muted); margin: 0; }

/* Portfolio */
.portfolio { background: var(--bg); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-chip {
  font-family: var(--font-body); font-size: 0.9rem; color: var(--ink-muted);
  background: transparent; border: 1px solid var(--hairline);
  padding: 8px 18px; border-radius: 999px; cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.filter-chip:hover { color: var(--ink); border-color: var(--brass-dim); }
.filter-chip.is-active { color: var(--bg); background: var(--brass); border-color: var(--brass); }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 36px 28px; }
.artwork { border: none; background: none; padding: 0; text-align: left; cursor: pointer; color: inherit; font-family: inherit; }
.artwork__frame { overflow: hidden; background: var(--bg-panel); border: 1px solid var(--hairline); }
.artwork__frame img { width: 100%; height: 340px; object-fit: cover; transition: transform 0.5s ease; }
.artwork:hover .artwork__frame img, .artwork:focus-visible .artwork__frame img { transform: scale(1.035); }
.artwork__label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 12px 2px 0; border-top: 1px solid var(--hairline); margin-top: 12px; }
.artwork__title { font-family: var(--font-display); font-size: 1.05rem; }
.artwork__medium { font-size: 0.8rem; color: var(--ink-faint); white-space: nowrap; }
.gallery[hidden], .artwork[hidden] { display: none; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; background: rgba(10,9,7,0.94); padding: var(--gutter); }
.lightbox[hidden] { display: none; }
.lightbox__inner { max-width: 1100px; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.lightbox__inner img { max-height: 78vh; width: auto; margin: 0 auto; border: 1px solid var(--hairline); }
.lightbox__caption { display: flex; gap: 14px; align-items: baseline; color: var(--ink-muted); }
.lightbox__caption .artwork__title { color: var(--ink); }
.lightbox__close { position: absolute; top: 24px; right: max(24px, var(--gutter)); background: none; border: 1px solid var(--hairline); color: var(--ink); width: 42px; height: 42px; border-radius: 50%; font-size: 1.1rem; cursor: pointer; transition: border-color 0.2s ease; }
.lightbox__close:hover { border-color: var(--brass); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); background: none; border: 1px solid var(--hairline); color: var(--ink); width: 46px; height: 46px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; transition: border-color 0.2s ease; }
.lightbox__nav:hover { border-color: var(--brass); }
.lightbox__nav--prev { left: max(16px, calc(var(--gutter) - 20px)); }
.lightbox__nav--next { right: max(16px, calc(var(--gutter) - 20px)); }

/* About */
.about { background: var(--bg-panel); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.about .wrap { display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 64px; align-items: start; }
.about__portrait { border: 1px solid var(--hairline); aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-panel-raised); }
.about__portrait img { width: 100%; height: 100%; object-fit: cover; }
.about__text h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.8rem, 3vw, 2.4rem); margin: 0 0 20px; }
.about__text p { color: var(--ink-muted); margin: 0 0 18px; max-width: 56ch; }
.about__text p:last-child { margin-bottom: 0; }
@media (max-width: 760px) { .about .wrap { grid-template-columns: 1fr; } .about__portrait { max-width: 320px; } }

/* Contact */
.contact .wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 64px; }
.contact__intro p { color: var(--ink-muted); max-width: 40ch; }
.contact__intro a.email { display: inline-block; margin-top: 8px; color: var(--brass); text-decoration: none; border-bottom: 1px solid var(--brass-dim); }
.contact-form { display: flex; flex-direction: column; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.9rem; color: var(--ink-muted); }
.field input, .field textarea { background: transparent; border: none; border-bottom: 1px solid var(--hairline); color: var(--ink); font-family: var(--font-body); font-size: 1rem; padding: 8px 2px; resize: vertical; }
.field input:focus, .field textarea:focus { border-bottom-color: var(--brass); outline: none; }
.field textarea { min-height: 120px; }
.contact-form button { align-self: flex-start; margin-top: 8px; background: var(--brass); color: var(--bg-panel); border: none; padding: 13px 30px; font-family: var(--font-body); font-weight: 600; font-size: 0.95rem; border-radius: 3px; cursor: pointer; transition: background 0.2s ease; }
.contact-form button:hover { background: #cba36c; }
.form-status { font-size: 0.9rem; color: var(--ink-muted); min-height: 1.2em; }
@media (max-width: 760px) { .contact .wrap { grid-template-columns: 1fr; } }

footer { padding: 40px var(--gutter) 48px; border-top: 1px solid var(--hairline); color: var(--ink-faint); font-size: 0.85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }