/* ============================================================
   CHAD CHURCH ART — Main Stylesheet
   Fine Art Portfolio — Sophisticated Private Gallery Aesthetic
   ============================================================ */

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

/* Switzer loaded via <link> in HTML head (Fontshare) */

/* ── Design Tokens ── */
:root,
[data-theme='light'] {
  /* Surfaces — warm parchment */
  --color-bg: #F5F3EE;
  --color-surface: #F8F6F1;
  --color-surface-2: #FAF9F5;
  --color-surface-offset: #EDE9E2;
  --color-surface-offset-2: #E6E2DA;
  --color-surface-dynamic: #DDD9D0;
  --color-divider: #D4CFC5;
  --color-border: #C8C3B8;

  /* Text — near-black warm */
  --color-text: #1A1815;
  --color-text-muted: #6B6860;
  --color-text-faint: #ABA9A2;
  --color-text-inverse: #F5F3EE;

  /* Accent — muted gold / warm bronze */
  --color-primary: #8B6914;
  --color-primary-hover: #6F5310;
  --color-primary-active: #533F0C;
  --color-primary-highlight: #E8DFCC;

  /* Charcoal for secondary actions */
  --color-charcoal: #2E2B26;
  --color-charcoal-hover: #1A1815;

  /* Radius — NO radius on artwork images; small radius on UI only */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-full: 9999px;

  /* Shadows — tone-matched to warm parchment */
  --shadow-sm: 0 1px 3px oklch(0.2 0.02 80 / 0.07);
  --shadow-md: 0 4px 16px oklch(0.2 0.02 80 / 0.10);
  --shadow-lg: 0 12px 40px oklch(0.2 0.02 80 / 0.14);
  --shadow-artwork: 0 8px 32px oklch(0.15 0.02 80 / 0.18);

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Switzer', 'Inter', 'Helvetica Neue', sans-serif;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Nav */
  --nav-height: 72px;
}

[data-theme='dark'] {
  --color-bg: #121110;
  --color-surface: #181714;
  --color-surface-2: #1D1C19;
  --color-surface-offset: #1A1917;
  --color-surface-offset-2: #1F1E1B;
  --color-surface-dynamic: #2A2825;
  --color-divider: #252320;
  --color-border: #333028;
  --color-text: #E8E5DF;
  --color-text-muted: #7A7770;
  --color-text-faint: #4F4D48;
  --color-text-inverse: #1A1815;
  --color-primary: #C9972A;
  --color-primary-hover: #E0B040;
  --color-primary-active: #F0C855;
  --color-primary-highlight: #3A2E18;
  --color-charcoal: #D4D0C8;
  --color-charcoal-hover: #E8E5DF;
  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.45);
  --shadow-artwork: 0 8px 32px oklch(0 0 0 / 0.50);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #121110;
    --color-surface: #181714;
    --color-surface-2: #1D1C19;
    --color-surface-offset: #1A1917;
    --color-surface-offset-2: #1F1E1B;
    --color-surface-dynamic: #2A2825;
    --color-divider: #252320;
    --color-border: #333028;
    --color-text: #E8E5DF;
    --color-text-muted: #7A7770;
    --color-text-faint: #4F4D48;
    --color-text-inverse: #1A1815;
    --color-primary: #C9972A;
    --color-primary-hover: #E0B040;
    --color-primary-active: #F0C855;
    --color-primary-highlight: #3A2E18;
    --color-charcoal: #D4D0C8;
    --color-charcoal-hover: #E8E5DF;
    --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.45);
    --shadow-artwork: 0 8px 32px oklch(0 0 0 / 0.50);
  }
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'], ol[role='list'] { list-style: none; }

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.12;
  font-family: var(--font-display);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: color-mix(in oklch, var(--color-primary) 25%, transparent);
  color: var(--color-text);
}

:focus-visible {
  outline: 1.5px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

button { cursor: pointer; background: none; border: none; }

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

/* ── CSS View Transitions ── */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: fade-out 0.2s var(--ease-in); }
::view-transition-new(root) { animation: fade-in 0.3s var(--ease-out); }
@keyframes fade-out { to { opacity: 0; } }
@keyframes fade-in { from { opacity: 0; } }

/* ── Navigation ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: clamp(var(--space-6), 4vw, var(--space-16));
  background: color-mix(in oklch, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out),
    background 0.3s var(--ease-out);
}

.site-nav.scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav-logo:hover { opacity: 0.75; }

.nav-logo svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.nav-wordmark {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-5), 2.5vw, var(--space-10));
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

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

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Mobile nav */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  color: var(--color-text);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}

.nav-mobile-menu {
  display: none;
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.nav-mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.nav-mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.nav-mobile-menu a:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile-menu { display: flex; }
}

/* ── Footer ── */
.site-footer {
  margin-top: auto;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) clamp(var(--space-6), 4vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}

.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: end;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-brand .nav-wordmark {
  font-size: var(--text-xl);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-interactive);
}

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

.footer-copy {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copy p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { align-items: flex-start; }
}

/* ── Page Wrapper ── */
.page-content {
  min-height: calc(100dvh - var(--nav-height));
}

/* ── Section Layout ── */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  padding-inline: clamp(var(--space-6), 4vw, var(--space-16));
}

.section-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.section-inner--narrow {
  max-width: var(--content-default);
  margin-inline: auto;
}

.section-header {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-20));
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  font-weight: 500;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.1;
}

.section-subtitle {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.7;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin-block: 0;
}

/* ── Artwork Cards ── */
.artwork-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.artwork-card__image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-offset);
}

/* NO border-radius on artwork images */
.artwork-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.6s var(--ease-out), box-shadow 0.6s var(--ease-out);
}

.artwork-card:hover .artwork-card__image-wrap img {
  transform: scale(1.02);
  box-shadow: var(--shadow-artwork);
}

.artwork-card__placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-offset);
  color: var(--color-text-faint);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.6s var(--ease-out);
}

.artwork-card:hover .artwork-card__placeholder {
  transform: scale(1.02);
}

.artwork-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.artwork-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
}

.artwork-card__detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

.btn--primary {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn--primary:hover {
  background: var(--color-charcoal);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: 0;
}

.btn--ghost:hover {
  color: var(--color-text);
}

/* ── Page Header (Interior pages) ── */
.page-header {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) clamp(var(--space-6), 4vw, var(--space-16));
  padding-bottom: clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}

.page-header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.page-header__eyebrow {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.page-header__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.page-header__subtitle {
  margin-top: var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.75;
}

/* ── Scroll Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Available / Label badges ── */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.badge--available {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.badge--sold {
  background: var(--color-surface-offset-2);
  color: var(--color-text-muted);
}

.badge--inquire {
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ── Utility ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

/* ── Grid Layouts ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(var(--space-8), 3vw, var(--space-12));
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-6), 2.5vw, var(--space-10));
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(var(--space-6), 2vw, var(--space-8));
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
}

/* ── Form Styles ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  resize: vertical;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 15%, transparent);
}

.form-textarea { min-height: 160px; }

/* ── "Read More" link ── */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--transition-interactive), gap var(--transition-interactive);
}

.link-arrow:hover {
  color: var(--color-text);
  gap: var(--space-3);
}

.link-arrow::after {
  content: '→';
}