/* ==========================================================================
   Mari Gior Fine Art — Core Stylesheet
   Luxury contemporary gallery aesthetic: Obsidian, Alabaster, and Amber Gold.
   ========================================================================== */

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

:root {
  --bg-primary: #0c0d10;
  --bg-secondary: #14161b;
  --bg-card: #181b22;
  --bg-glass: rgba(18, 20, 26, 0.85);
  
  --text-primary: #f5f5f7;
  --text-secondary: #a0a2ad;
  --text-muted: #6e7180;
  
  --accent-gold: #d4af37;
  --accent-amber: #e6b15c;
  --accent-glow: rgba(212, 175, 55, 0.15);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(212, 175, 55, 0.35);
  
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --container-max: 1320px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

/* Typography */
h1, h2, h3, h4, .serif-font {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.text-gold {
  color: var(--accent-gold);
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
  font-weight: 500;
  display: block;
}

/* Layout Utilities */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-padding {
  padding: 6rem 0;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 85px;
}

.brand-logo {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
}

.brand-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  align-items: center;
}

.nav-item a {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-item a:hover,
.nav-item.active a {
  color: #fff;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-gold);
  transition: var(--transition);
}

.nav-item a:hover::after,
.nav-item.active a::after {
  width: 100%;
}

.nav-btn {
  padding: 0.6rem 1.4rem;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 2px;
  background: transparent;
  transition: var(--transition);
}

.nav-btn:hover {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  padding-top: 100px;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 80% 30%, rgba(212, 175, 55, 0.07) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(30, 35, 48, 0.4) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.8rem;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-content h1 em {
  font-style: italic;
  color: var(--accent-amber);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--bg-primary);
  padding: 0.9rem 2.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid var(--accent-gold);
  transition: var(--transition);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent-gold);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text-primary);
  padding: 0.9rem 2.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.hero-image-wrapper img {
  width: 100%;
  height: 580px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

.hero-artwork-tag {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(12, 13, 16, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.6rem 1.2rem;
  border-left: 2px solid var(--accent-gold);
  font-size: 0.8rem;
}

.hero-artwork-tag span {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Quote Banner */
.quote-banner {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
  padding: 5rem 0;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-style: italic;
  max-width: 900px;
  margin: 0 auto 1.5rem;
  line-height: 1.4;
  color: #fff;
}

.quote-author {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

/* Collections Preview Section */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.collection-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.collection-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.collection-img-wrap {
  height: 320px;
  overflow: hidden;
  position: relative;
}

.collection-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.collection-card:hover .collection-img-wrap img {
  transform: scale(1.05);
}

.collection-body {
  padding: 1.8rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.collection-title {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.collection-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}

.collection-link {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.collection-link::after {
  content: '→';
  transition: transform 0.2s ease;
}

.collection-card:hover .collection-link::after {
  transform: translateX(4px);
}

/* Exhibition Spotlight */
.exhibition-spotlight {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.spotlight-img img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
}

.spotlight-content h3 {
  font-size: 2.6rem;
  margin-bottom: 1.2rem;
}

.spotlight-meta-list {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.spotlight-meta-list li {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.spotlight-meta-list strong {
  color: #fff;
  font-weight: 500;
}

/* Footer */
.site-footer {
  background: #08090b;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: #fff;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-newsletter p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.7rem 1rem;
  color: #fff;
  font-size: 0.85rem;
  width: 100%;
  outline: none;
}

.newsletter-input:focus {
  border-color: var(--accent-gold);
}

.newsletter-btn {
  background: var(--accent-gold);
  border: none;
  color: var(--bg-primary);
  padding: 0.7rem 1.2rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-btn:hover {
  background: var(--accent-amber);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .spotlight-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-content h1 {
    font-size: 2.8rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-btn-wrap {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .site-header.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 85px;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    padding: 2rem;
    border-bottom: 1px solid var(--border-subtle);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}