/* ============================================================
   ARTFOLIO — Luxury Art Gallery CSS
   Design: Minimal · Elegant · Museum-grade
   ============================================================ */

/* ── Google Fonts ────────────────────────────────────────────
   Loaded in <head>: Playfair Display + Inter + Poppins
   ─────────────────────────────────────────────────────────── */

/* ── CSS Variables ───────────────────────────────────────────*/
:root {
  /* Color Palette */
  --color-black:     #0a0a0a;
  --color-white:     #ffffff;
  --color-gold:      #b8902a;
  --color-gold-lt:   #d4aa50;
  --color-gold-dk:   #8a6b1e;
  --color-cream:     #f5f0e8;
  --color-cream-dk:  #ede5d5;
  --color-gray-100:  #f8f7f5;
  --color-gray-200:  #ece9e3;
  --color-gray-400:  #c4beb4;
  --color-gray-600:  #7a7369;
  --color-gray-800:  #3a3530;
  --color-dark:      #1a1815;

  /* Typography */
  --font-display: 'Josefin Sans', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-accent:  'Poppins', sans-serif;

  /* Type Scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Transitions */
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:  cubic-bezier(0, 0, 0.2, 1);
  --ease-slow: cubic-bezier(0.4, 0, 0.6, 1);
  --dur-fast:  150ms;
  --dur-base:  250ms;
  --dur-slow:  450ms;
  --dur-long:  700ms;

  /* Border radius */
  --radius-sm:  2px;
  --radius:     4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:     0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:  0 24px 64px rgba(0,0,0,0.16);

  /* Gold line */
  --gold-line: 1px solid rgba(184,144,42,0.4);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-black);
}

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

ul, ol { list-style: none; }

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
}

/* ── Typography Utilities ────────────────────────────────── */
.font-display  { font-family: var(--font-display); }
.font-accent   { font-family: var(--font-accent); }
.font-italic   { font-style: italic; }
.text-gold     { color: var(--color-gold); }
.text-cream    { color: var(--color-cream); }
.text-muted    { color: var(--color-gray-600); }
.text-white    { color: var(--color-white); }
.text-dark     { color: var(--color-dark); }
.text-center   { text-align: center; }
.text-right    { text-align: right; }
.letter-wide   { letter-spacing: 0.15em; }
.letter-wider  { letter-spacing: 0.25em; }
.uppercase     { text-transform: uppercase; }

/* ── Section Labels ──────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 52ch;
  line-height: 1.6;
}

/* ── Gold Divider ────────────────────────────────────────── */
.gold-divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: var(--space-6) 0;
}
.gold-divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ── Section Spacing ─────────────────────────────────────── */
.section {
  padding: var(--space-24) 0;
}
.section--sm {
  padding: var(--space-16) 0;
}
.section--lg {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}
.section--dark {
  background-color: var(--color-dark);
  color: var(--color-cream);
}
.section--cream {
  background-color: var(--color-cream);
}
.section--black {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* ── Container ────────────────────────────────────────────── */
.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 2rem;
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--dur-base) var(--ease);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}
.btn-primary:hover {
  background: var(--color-dark);
  border-color: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}
.btn-gold:hover {
  background: var(--color-gold-dk);
  border-color: var(--color-gold-dk);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(184,144,42,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-black);
  border-color: var(--color-black);
}
.btn-outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-outline-gold {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.btn-outline-gold:hover {
  background: var(--color-gold);
  color: var(--color-white);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-xs);
}
.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--text-base);
}

/* ── Navigation ──────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--dur-slow) var(--ease);
}

.navbar--transparent {
  background: transparent;
}

.navbar--scrolled {
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  flex-direction: column;
}
.navbar-brand .brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
  line-height: 1;
}
.navbar-brand .brand-sub {
  font-family: var(--font-accent);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 2px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-link {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur-base) var(--ease);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--dur-slow) var(--ease);
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-white);
  transition: all var(--dur-base) var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-black);
  z-index: 999;
  padding: var(--space-20) var(--space-8);
  flex-direction: column;
  justify-content: center;
}
.nav-mobile.open {
  display: flex;
}
.nav-mobile .nav-link {
  font-size: var(--text-xl);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--color-white);
  padding: var(--space-4) 0;
  border-bottom: var(--gold-line);
}
.nav-mobile .nav-link:last-child {
  border-bottom: none;
}

/* ── Hero Section ────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s var(--ease-slow);
  transform: scale(1.05);
  transition: opacity 1.2s var(--ease-slow), transform 8s var(--ease-slow);
}
.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.4) 50%,
    rgba(0,0,0,0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(var(--space-12), 8vh, var(--space-24));
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: var(--space-6);
  max-width: 14ch;
}

.hero-subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-8);
  max-width: 44ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-slide-info {
  position: absolute;
  right: var(--space-8);
  bottom: var(--space-8);
  z-index: 3;
  text-align: right;
}
.hero-slide-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-style: italic;
  color: rgba(255,255,255,0.7);
}
.hero-slide-meta {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  color: var(--color-gold);
  letter-spacing: 0.1em;
}

/* Hero dots */
.hero-dots {
  position: absolute;
  left: var(--space-8);
  bottom: var(--space-8);
  z-index: 3;
  display: flex;
  gap: var(--space-2);
}
.hero-dot {
  width: 24px;
  height: 1px;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease);
}
.hero-dot.active {
  width: 48px;
  background: var(--color-gold);
}

/* ── Artwork Cards ───────────────────────────────────────── */
.artwork-card {
  position: relative;
  overflow: hidden;
  background: var(--color-white);
  cursor: pointer;
}

.artwork-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-gray-100);
}

.artwork-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-long) var(--ease-slow);
}

.artwork-card:hover .artwork-card-image img {
  transform: scale(1.06);
}

.artwork-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0);
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  transition: background var(--dur-slow) var(--ease);
}
.artwork-card:hover .artwork-card-overlay {
  background: rgba(10,10,10,0.5);
}

.artwork-card-hover-content {
  transform: translateY(1rem);
  opacity: 0;
  transition: all var(--dur-slow) var(--ease);
}
.artwork-card:hover .artwork-card-hover-content {
  transform: translateY(0);
  opacity: 1;
}

.artwork-card-body {
  padding: var(--space-4) 0;
}

.artwork-card-category {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-1);
}

.artwork-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-1);
  transition: color var(--dur-base) var(--ease);
}
.artwork-card:hover .artwork-card-title {
  color: var(--color-gold-dk);
}

.artwork-card-meta {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}
.badge-available  { background: rgba(34,197,94,0.12);  color: #16a34a; }
.badge-reserved   { background: rgba(234,179,8,0.12);  color: #b45309; }
.badge-sold       { background: rgba(239,68,68,0.12);  color: #dc2626; }
.badge-nfs        { background: rgba(100,116,139,0.12);color: #475569; }
.badge-featured   { background: rgba(184,144,42,0.15); color: var(--color-gold-dk); }
.badge-gold       { background: var(--color-gold); color: var(--color-white); }

/* ── Gallery Grid ────────────────────────────────────────── */
.gallery-grid {
  columns: 3;
  column-gap: var(--space-6);
}

.gallery-grid .artwork-card {
  break-inside: avoid;
  margin-bottom: var(--space-6);
}

.gallery-grid .artwork-card-image {
  aspect-ratio: unset;
}
.gallery-grid .artwork-card-image img {
  height: auto;
}

/* ── Gallery Filters ─────────────────────────────────────── */
.gallery-filters {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: var(--gold-line);
}

.filter-btn {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-gray-200);
  background: transparent;
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease);
  border-radius: var(--radius-sm);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

/* ── About / Bio Section ─────────────────────────────────── */
.about-portrait {
  position: relative;
}
.about-portrait img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.about-portrait::before {
  content: '';
  position: absolute;
  top: -1rem;
  left: -1rem;
  right: 1rem;
  bottom: 1rem;
  border: var(--gold-line);
  z-index: -1;
}

/* ── Stats / Counters ────────────────────────────────────── */
.stat-item {
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-label {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

/* ── Timeline ────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0;
  width: 1px;
  background: var(--color-gray-200);
}
.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.4rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-gold);
  transform: translateX(-3px);
}
.timeline-year {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: var(--space-1);
}
.timeline-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-black);
  margin-bottom: var(--space-1);
}
.timeline-org {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}
.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ── Testimonials ────────────────────────────────────────── */
.testimonial-card {
  padding: var(--space-8);
  border: var(--gold-line);
  background: var(--color-white);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -1rem;
  left: var(--space-8);
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--color-gold);
  line-height: 1;
  opacity: 0.3;
}
.testimonial-stars {
  color: var(--color-gold);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.testimonial-content {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-gray-800);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-gold);
}
.testimonial-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-black);
}
.testimonial-title {
  font-size: var(--text-xs);
  color: var(--color-gray-600);
}

/* ── Blog Cards ──────────────────────────────────────────── */
.blog-card {
  position: relative;
}
.blog-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  margin-bottom: var(--space-4);
  background: var(--color-gray-100);
}
.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-long) var(--ease-slow);
}
.blog-card:hover .blog-card-image img {
  transform: scale(1.04);
}
.blog-card-category {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}
.blog-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.3;
  margin-bottom: var(--space-2);
  transition: color var(--dur-base) var(--ease);
}
.blog-card:hover .blog-card-title {
  color: var(--color-gold-dk);
}
.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.blog-card-meta {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* ── Exhibition Cards ────────────────────────────────────── */
.exhibition-card {
  position: relative;
  overflow: hidden;
}
.exhibition-card-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-gray-100);
}
.exhibition-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-long) var(--ease-slow);
}
.exhibition-card:hover .exhibition-card-image img {
  transform: scale(1.04);
}
.exhibition-status-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  background: var(--color-gold);
  color: white;
  z-index: 2;
}
.exhibition-card-body {
  padding: var(--space-6) 0;
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-black);
  user-select: none;
}
.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-gold);
  transition: transform var(--dur-base) var(--ease);
}
.faq-icon::before { width: 100%; height: 1px; top: 50%; }
.faq-icon::after  { width: 1px; height: 100%; left: 50%; transform: translateY(-50%); }
.faq-item.open .faq-icon::after { transform: translateY(-50%) rotate(90deg); opacity: 0; }
.faq-answer {
  display: none;
  padding-bottom: var(--space-6);
  color: var(--color-gray-600);
  line-height: 1.8;
}
.faq-item.open .faq-answer { display: block; }

/* ── Contact Form ────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-6);
}
.form-label {
  display: block;
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}
.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-control:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184,144,42,0.1);
}
.form-control::placeholder {
  color: var(--color-gray-400);
}
textarea.form-control {
  min-height: 140px;
  resize: vertical;
}
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a7369' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-control.is-invalid {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}
.form-error {
  font-size: var(--text-xs);
  color: #dc2626;
  margin-top: 0.25rem;
}

/* ── Newsletter Section ──────────────────────────────────── */
.newsletter-section {
  background: var(--color-dark);
  padding: var(--space-16) 0;
}
.newsletter-form {
  display: flex;
  gap: var(--space-3);
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form .form-control {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.15);
  color: var(--color-white);
}
.newsletter-form .form-control::placeholder {
  color: rgba(255,255,255,0.4);
}
.newsletter-form .form-control:focus {
  border-color: var(--color-gold);
}

/* ── Artwork Detail ──────────────────────────────────────── */
.artwork-detail-image {
  position: sticky;
  top: 100px;
}
.artwork-main-image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  cursor: zoom-in;
  background: var(--color-gray-100);
}
.artwork-thumbnails {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}
.artwork-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--dur-base) var(--ease);
}
.artwork-thumb.active {
  border-color: var(--color-gold);
}

.artwork-detail-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  padding: var(--space-6) 0;
  border-top: var(--gold-line);
  border-bottom: var(--gold-line);
}
.meta-item-label {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  margin-bottom: 2px;
}
.meta-item-value {
  font-size: var(--text-sm);
  color: var(--color-gray-800);
}

/* ── Modal (Booking Form) ────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--color-white);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-8);
  position: relative;
  transform: translateY(2rem);
  transition: transform var(--dur-slow) var(--ease);
}
.modal-overlay.open .modal {
  transform: translateY(0);
}
.modal-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-gray-600);
  font-size: 1.25rem;
  background: none;
  border: none;
  transition: color var(--dur-base) var(--ease);
}
.modal-close:hover {
  color: var(--color-black);
}

/* ── Page Header ─────────────────────────────────────────── */
.page-header {
  background: var(--color-black);
  padding: clamp(7rem, 12vh, 10rem) 0 clamp(3rem, 5vh, 4rem);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(184,144,42,0.08) 0%, transparent 60%);
}
.page-header-content {
  position: relative;
  z-index: 1;
}
.page-header-title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}
.page-header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.page-header-breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: color var(--dur-base) var(--ease);
}
.page-header-breadcrumb a:hover {
  color: var(--color-gold);
}
.page-header-breadcrumb span { color: var(--color-gold); }

/* ── Pagination ──────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: var(--space-1);
  align-items: center;
  justify-content: center;
  margin-top: var(--space-12);
}
.page-item {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  cursor: pointer;
  border: 1px solid var(--color-gray-200);
  color: var(--color-gray-600);
  transition: all var(--dur-base) var(--ease);
}
.page-item:hover, .page-item.active {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}
.page-item.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.6);
  padding-top: var(--space-16);
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}
.footer-brand-sub {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}
.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 30ch;
}
.footer-heading {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-6);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--dur-base) var(--ease);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.footer-link:hover {
  color: var(--color-gold);
}
.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.social-icon {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--text-sm);
  transition: all var(--dur-base) var(--ease);
}
.social-icon:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-6) 0;
  margin-top: var(--space-12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
}

/* ── Search Bar ──────────────────────────────────────────── */
.search-input-wrap {
  position: relative;
}
.search-input-wrap .form-control {
  padding-right: 3rem;
}
.search-input-wrap .search-btn {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
}

/* ── Alert / Flash Messages ──────────────────────────────── */
.alert {
  padding: var(--space-4) var(--space-6);
  border-left: 3px solid;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}
.alert-success { background: #f0fdf4; border-color: #16a34a; color: #14532d; }
.alert-error   { background: #fef2f2; border-color: #dc2626; color: #7f1d1d; }
.alert-info    { background: #eff6ff; border-color: #2563eb; color: #1e3a8a; }
.alert-warning { background: #fffbeb; border-color: #d97706; color: #78350f; }

/* ── Glassmorphism Cards ─────────────────────────────────── */
.glass-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Loading / Skeleton ──────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shine 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shine {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Lazy load ───────────────────────────────────────────── */
img[data-src] {
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}
img[data-src].loaded {
  opacity: 1;
}

/* ── Back to Top ─────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur-base) var(--ease);
  z-index: 500;
  font-size: var(--text-sm);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}
.back-to-top:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  transform: translateY(-3px);
}

/* ── Share Buttons ───────────────────────────────────────── */
.share-buttons {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  font-family: var(--font-accent);
  letter-spacing: 0.08em;
  border: 1px solid var(--color-gray-200);
  color: var(--color-gray-600);
  transition: all var(--dur-base) var(--ease);
  background: transparent;
  cursor: pointer;
}
.share-btn:hover {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

/* ── AOS overrides ───────────────────────────────────────── */
[data-aos] { will-change: transform, opacity; }

/* ── Utility ─────────────────────────────────────────────── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.overflow-hidden { overflow: hidden; }
.position-relative { position: relative; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.mt-4  { margin-top: var(--space-4); }
.mt-8  { margin-top: var(--space-8); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-8  { margin-bottom: var(--space-8); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .gallery-grid { columns: 2; }
}

@media (max-width: 768px) {
  .navbar-nav, .navbar-actions { display: none; }
  .nav-toggle { display: flex; }
  .gallery-grid { columns: 1; }
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .section { padding: var(--space-16) 0; }
  .artwork-detail-meta { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-portrait::before { display: none; }
  .hero-slide-info { display: none; }
  .testimonial-card { padding: var(--space-6); }
  .modal { padding: var(--space-6); }
}

@media (max-width: 480px) {
  :root { --text-base: 0.9375rem; }
  .btn { padding: 0.625rem 1.5rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero-slide { transition: opacity 0.3s; }
}
