/* ============================================================
   Portfolio — gallery-style artist site
   Palette: bright warm-white wall, ink charcoal, ultramarine accent
   ============================================================ */

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --ink: #16151a;
  --ink-soft: #6b6862;
  --line: #e6e2d8;
  --accent: #24365f;
  --accent-soft: #e4e8f0;
  --shadow: 0 20px 45px -25px rgba(22, 21, 26, 0.35);

  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --gap: clamp(1rem, 2vw, 1.75rem);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    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);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 249, 246, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--ink-soft);
  transition: color 0.2s ease, background 0.2s ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: var(--accent);
  background: var(--accent-soft);
}

.social-links svg {
  width: 18px;
  height: 18px;
}

.shop-button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.shop-button:hover,
.shop-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -10px rgba(36, 54, 95, 0.6);
}

/* ---------- hero ---------- */

.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  font-weight: 400;
  margin: 0 0 0.6rem;
  line-height: 1.05;
}

.hero p {
  margin: 0 auto;
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}

.hero-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 1.75rem auto 0;
  border: none;
}

/* ---------- gallery grid ---------- */

.gallery {
  padding: 0 0 clamp(3rem, 8vw, 5rem);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

@media (max-width: 860px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.piece {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
}

.piece.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.piece:hover,
.piece:focus-visible {
  box-shadow: var(--shadow);
}

.piece-frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--accent-soft);
}

.piece-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.piece:hover .piece-frame img {
  transform: scale(1.04);
}

.placard {
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  background: rgba(250, 249, 246, 0.94);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.6rem 0.75rem;
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}

.piece:hover .placard,
.piece:focus-visible .placard {
  transform: translateY(0);
  opacity: 1;
}

.placard-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.15rem;
}

.placard-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
}

.piece-empty {
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  border-radius: 4px;
  background: transparent;
  cursor: default;
}

.piece-empty span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.6;
}

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(22, 21, 26, 0.82);
}

.lightbox.is-open {
  display: flex;
}

.lightbox-panel {
  background: var(--surface);
  width: min(1100px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  border-radius: 6px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
}

@media (max-width: 760px) {
  .lightbox-panel {
    grid-template-columns: 1fr;
  }
}

.lightbox-image {
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.lightbox-image img {
  width: 100%;
  height: 100%;
  max-height: 92vh;
  object-fit: contain;
}

.lightbox-info {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.lightbox-info h2 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  margin: 0;
  line-height: 1.1;
}

.lightbox-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0;
}

.lightbox-meta span strong {
  display: block;
  font-size: 0.62rem;
  color: var(--ink-soft);
  opacity: 0.7;
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.lightbox-description {
  color: var(--ink);
  font-size: 0.98rem;
  white-space: pre-wrap;
  margin: 0;
}

.video-toggle {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.video-toggle:hover,
.video-toggle:focus-visible {
  background: var(--accent);
  color: #fff;
}

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  display: none;
  background: #000;
}

.video-embed.is-active {
  display: block;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  border: none;
  background: rgba(250, 249, 246, 0.92);
  color: var(--ink);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lightbox-close:hover,
.lightbox-nav:hover,
.lightbox-close:focus-visible,
.lightbox-nav:focus-visible {
  background: var(--accent);
  color: #fff;
}

.lightbox-close {
  top: clamp(0.5rem, 2vw, 1.25rem);
  right: clamp(0.5rem, 2vw, 1.25rem);
  z-index: 5;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
}

.lightbox-prev {
  left: clamp(0.5rem, 2vw, 1.25rem);
}

.lightbox-next {
  right: clamp(0.5rem, 2vw, 1.25rem);
}

.lightbox-nav svg,
.lightbox-close svg {
  width: 18px;
  height: 18px;
}

/* ---------- contact ---------- */

.contact {
  border-top: 1px solid var(--line);
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  text-align: center;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.5rem;
}

.contact p {
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.contact-links a {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.site-footer {
  text-align: center;
  padding: 1.5rem 0 2.5rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}