:root {
  --ink-blue: #0174f3;
  --deep-ocean: #071d33;
  --midnight: #07131f;
  --mist: #f4f8fc;
  --paper: #ffffff;
  --text: #132233;
  --muted: #637486;
  --line: rgba(7, 29, 51, 0.14);
  --shadow: 0 22px 70px rgba(7, 29, 51, 0.16);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(1, 116, 243, 0.12), transparent 34rem), linear-gradient(180deg, #fbfdff 0%, var(--mist) 100%);
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select { font: inherit; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  transform: translateY(-200%);
  background: var(--deep-ocean);
  color: white;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  z-index: 10;
}
.skip-link:focus { transform: translateY(0); }

.site-header, .gallery-shell, .site-footer {
  width: min(var(--max-width), calc(100% - 2rem));
  margin-inline: auto;
}
.site-header { padding: 1.25rem 0 2rem; }
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 40px rgba(7, 29, 51, 0.08);
}
.brand-mark {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
  padding: 0.6rem 0.85rem;
}
.nav-links { display: flex; flex-wrap: wrap; gap: 0.35rem; justify-content: flex-end; }
.nav-links a {
  text-decoration: none;
  padding: 0.55rem 0.78rem;
  border-radius: 999px;
  color: var(--muted);
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--deep-ocean);
  background: rgba(1, 116, 243, 0.08);
}
.hero {
  margin-top: 2rem;
  padding: clamp(2rem, 5vw, 5rem);
  border-radius: var(--radius-lg);
  color: white;
  background: radial-gradient(circle at 20% 20%, rgba(82, 166, 255, 0.45), transparent 22rem), linear-gradient(135deg, var(--deep-ocean), var(--midnight));
  box-shadow: var(--shadow);
}
.eyebrow {
  margin: 0 0 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--ink-blue);
}
.hero .eyebrow { color: #9dccff; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 850px;
  font-size: clamp(2.3rem, 7vw, 5.7rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}
.hero-copy { max-width: 720px; color: rgba(255,255,255,0.82); font-size: 1.1rem; line-height: 1.75; }
.hero-actions, .card-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.8rem 1rem;
  text-decoration: none;
  background: rgba(255,255,255,0.92);
  color: var(--deep-ocean);
  cursor: pointer;
  font-weight: 800;
}
.button.primary { background: var(--ink-blue); border-color: var(--ink-blue); color: white; }
.button.secondary { background: rgba(255,255,255,0.1); color: white; border-color: rgba(255,255,255,0.25); }
.gallery-shell { padding: 1rem 0 4rem; }
.controls-panel, .featured-panel, .gallery-status {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.82);
  box-shadow: 0 14px 42px rgba(7, 29, 51, 0.08);
}
.controls-panel { padding: 1.25rem; display: grid; gap: 1.25rem; }
.controls-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.85rem; }
label span { display: block; margin-bottom: 0.35rem; color: var(--muted); font-size: 0.82rem; font-weight: 800; }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.78rem 0.85rem;
  background: white;
  color: var(--text);
}
.featured-panel {
  margin-top: 1rem;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
}
.featured-panel[hidden] { display: none; }
.featured-panel img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; background: #dce9f8; }
.featured-copy { padding: clamp(1.4rem, 4vw, 3rem); align-self: center; }
.featured-copy h2 { font-size: clamp(2rem, 5vw, 4rem); line-height: 0.98; letter-spacing: -0.05em; }
.featured-copy p { color: var(--muted); line-height: 1.7; }
.gallery-status { margin-top: 1rem; padding: 1rem 1.2rem; color: var(--muted); font-weight: 800; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1rem; }
.gallery-card {
  padding: 0;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: white;
  overflow: hidden;
  box-shadow: 0 10px 32px rgba(7, 29, 51, 0.07);
  cursor: pointer;
}
.gallery-card:hover { transform: translateY(-2px); box-shadow: 0 18px 45px rgba(7,29,51,0.12); }
.gallery-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #dce9f8; }
.card-body { padding: 1rem; }
.card-body h3 { margin-bottom: 0.25rem; }
.card-body p { color: var(--muted); line-height: 1.5; }
.tag-row { display: flex; gap: 0.35rem; flex-wrap: wrap; margin-top: 0.75rem; }
.tag-row span, .metadata-list div {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.55rem;
  color: var(--muted);
  font-size: 0.78rem;
  background: rgba(1,116,243,0.04);
}
.empty-state { text-align: center; padding: 2rem; color: var(--muted); }
.lightbox {
  border: 0;
  padding: 0;
  width: min(1100px, calc(100% - 2rem));
  background: transparent;
}
.lightbox::backdrop { background: rgba(3, 14, 26, 0.78); backdrop-filter: blur(8px); }
.lightbox figure {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.lightbox img { width: 100%; height: 75vh; object-fit: contain; background: #07131f; }
.lightbox figcaption { padding: 1.5rem; align-self: center; }
.lightbox-close, .lightbox-nav {
  position: fixed;
  border: 0;
  border-radius: 999px;
  background: white;
  color: var(--deep-ocean);
  cursor: pointer;
  box-shadow: var(--shadow);
}
.lightbox-close { top: 1rem; right: 1rem; width: 2.8rem; height: 2.8rem; font-size: 1.5rem; }
.lightbox-nav { top: 50%; width: 3rem; height: 3rem; font-size: 2rem; }
.lightbox-nav.previous { left: 1rem; }
.lightbox-nav.next { right: 1rem; }
.metadata-list { display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 0; margin: 1rem 0 0; }
.metadata-list dt { font-weight: 800; color: var(--deep-ocean); }
.metadata-list dd { margin: 0; }
.site-footer { padding: 2rem 0; color: var(--muted); text-align: center; }

@media (max-width: 800px) {
  .top-nav { align-items: flex-start; border-radius: var(--radius-md); flex-direction: column; }
  .controls-grid, .featured-panel, .gallery-grid, .lightbox figure { grid-template-columns: 1fr; }
  .featured-panel img { min-height: 260px; }
  .lightbox img { height: auto; max-height: 60vh; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}