/* ============================================================
   ARTIST SITE — Main Stylesheet
   Aesthetic: Cornish coastal gallery — linen, slate, sea light
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Jost:wght@300;400;500&display=swap');

/* --- Variables --- */
:root {
  --linen:     #f5f0e8;
  --sand:      #e8dfc8;
  --slate:     #4a5568;
  --slate-dark:#2d3748;
  --coast:     #6b8f9e;
  --coast-dark:#4a7085;
  --stone:     #8c8579;
  --ink:       #1a1a1a;
  --white:     #ffffff;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Jost', sans-serif;

  --nav-height: 72px;
  --max-width:  1100px;
  --radius:     2px;

  --shadow-soft: 0 4px 24px rgba(74,85,104,0.10);
  --shadow-card: 0 2px 12px rgba(26,26,26,0.08);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--linen);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* --- Navigation --- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(245,240,232,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sand);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.nav-brand span { color: var(--coast); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--coast-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--slate);
  transition: all 0.3s;
}

.page { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

.page-header {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--sand);
  margin-bottom: 3rem;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--ink);
}

.page-header .subtitle {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover { background: var(--ink); color: var(--linen); }
.btn-coast { border-color: var(--coast); color: var(--coast); }
.btn-coast:hover { background: var(--coast); color: var(--white); }
.btn-filled { background: var(--ink); color: var(--linen); }
.btn-filled:hover { background: var(--slate-dark); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.gallery-card {
  background: var(--white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.gallery-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.gallery-card-body { padding: 1rem 1.25rem 1.25rem; }
.gallery-card-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 400; margin-bottom: 0.25rem; }
.gallery-card-meta { font-size: 0.78rem; letter-spacing: 0.06em; color: var(--stone); text-transform: uppercase; }
.gallery-card-price { font-family: var(--font-display); font-size: 1.3rem; font-weight: 300; color: var(--coast-dark); margin: 0.5rem 0 0.75rem; }

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--stone); margin-bottom: 0.5rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  background: var(--white);
  border: 1px solid var(--sand);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  border-radius: var(--radius);
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--coast); }
.form-group textarea { min-height: 120px; resize: vertical; }

footer {
  margin-top: 6rem;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--sand);
  text-align: center;
  font-size: 0.8rem;
  color: var(--stone);
  letter-spacing: 0.06em;
}
footer a { color: var(--coast); }
footer a:hover { text-decoration: underline; }

#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 999;
  background: var(--slate-dark);
  color: var(--linen);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
#cookie-banner.visible { transform: translateY(0); }
#cookie-banner a { color: var(--coast); text-decoration: underline; }
#cookie-banner .cookie-actions { display: flex; gap: 0.75rem; flex-shrink: 0; }

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(26,26,26,0.92);
  align-items: center;
  justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; object-fit: contain; box-shadow: 0 8px 48px rgba(0,0,0,0.5); }
.lightbox-close { position: absolute; top: 1.5rem; right: 1.5rem; color: var(--linen); font-size: 2rem; cursor: pointer; line-height: 1; opacity: 0.7; transition: opacity 0.2s; }
.lightbox-close:hover { opacity: 1; }

@media (max-width: 768px) {
  nav { padding: 0 1rem; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--linen);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--sand);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: 1px solid var(--sand); }
  .nav-links a { display: block; padding: 1rem 1.5rem; }
  .nav-toggle { display: flex; }
  .page { padding: 0 1rem; }
  .page-header { padding: 2.5rem 0 1.5rem; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
  #cookie-banner { flex-direction: column; align-items: flex-start; }
}