/* ============================================================
   JING & TONIC — Design Tokens + Component Styles
   Palette: warm ivory / charcoal / dusty mauve accent
   Fonts: Cormorant Garamond (display) + Satoshi (body)
   ============================================================ */

/* ---------- Type Scale ---------- */
:root {
  --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 ---------- */
:root {
  --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;
}

/* ---------- Palette: Light Mode ---------- */
:root, [data-theme="light"] {
  /* Surfaces — warm ivory */
  --color-bg:             #F8F5F0;
  --color-surface:        #FAF8F4;
  --color-surface-2:      #FDFCFA;
  --color-surface-offset: #F2EDE6;
  --color-divider:        #E2DAD1;
  --color-border:         #D9D1C7;

  /* Text — deep charcoal */
  --color-text:           #2A2420;
  --color-text-muted:     #7A726B;
  --color-text-faint:     #B8B0A7;
  --color-text-inverse:   #F8F5F0;

  /* Primary Accent — dusty mauve/rose */
  --color-primary:        #9B7B8A;
  --color-primary-hover:  #7D5D6C;
  --color-primary-active: #5E4250;
  --color-primary-highlight: #EAD9E2;

  /* Utility */
  --color-success: #5A7A44;
  --color-error:   #A04040;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms 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);

  /* Shadows */
  --shadow-sm: 0 1px 3px oklch(0.2 0.01 30 / 0.07);
  --shadow-md: 0 4px 16px oklch(0.2 0.01 30 / 0.09);
  --shadow-lg: 0 12px 40px oklch(0.2 0.01 30 / 0.13);

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

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* ---------- Palette: Dark Mode ---------- */
[data-theme="dark"] {
  --color-bg:             #18140F;
  --color-surface:        #1E1A14;
  --color-surface-2:      #231F19;
  --color-surface-offset: #1A1610;
  --color-divider:        #2E2A24;
  --color-border:         #3A342C;
  --color-text:           #E8E0D5;
  --color-text-muted:     #8A8078;
  --color-text-faint:     #5A5450;
  --color-text-inverse:   #18140F;
  --color-primary:        #C4A0B2;
  --color-primary-hover:  #D8B8C8;
  --color-primary-active: #EDD0DC;
  --color-primary-highlight: #3D2A34;
  --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 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #18140F;
    --color-surface:        #1E1A14;
    --color-surface-2:      #231F19;
    --color-surface-offset: #1A1610;
    --color-divider:        #2E2A24;
    --color-border:         #3A342C;
    --color-text:           #E8E0D5;
    --color-text-muted:     #8A8078;
    --color-text-faint:     #5A5450;
    --color-text-inverse:   #18140F;
    --color-primary:        #C4A0B2;
    --color-primary-hover:  #D8B8C8;
    --color-primary-active: #EDD0DC;
    --color-primary-highlight: #3D2A34;
    --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 / 0.5);
  }
}

/* ============================================================
   GLOBAL COMPONENTS
   ============================================================ */

/* --- Skip link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  z-index: 1000;
}
.skip-link:focus { top: var(--space-4); }

/* --- Navigation --- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.site-nav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text);
  text-decoration: none;
  line-height: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1em;
}
.nav-logo span {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-text); }

.nav-cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-inverse);
  background: var(--color-text);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.nav-cta:hover { background: var(--color-primary); transform: translateY(-1px); }

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

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }
[data-theme="dark"] .theme-toggle { background: transparent; color: var(--color-text-muted); }
[data-theme="dark"] .theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  padding: var(--space-24) var(--space-8);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.mobile-menu a:hover { color: var(--color-primary); }
.mobile-menu .mobile-cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
  background: var(--color-text);
  padding: var(--space-3) var(--space-10);
  border-radius: var(--radius-full);
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .site-nav { padding: var(--space-4) var(--space-5); }
}

/* --- Sections --- */
.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  padding-inline: clamp(var(--space-5), 5vw, var(--space-20));
}

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

/* --- Section labels --- */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: block;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.btn:hover  { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: 0;
  letter-spacing: 0.1em;
}
.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-5);
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  letter-spacing: 0.12em;
}
.btn--sm:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: var(--color-text);
}

.btn--ghost:hover { color: var(--color-text); transform: none; box-shadow: none; }
.btn--ghost svg { transition: transform var(--transition-interactive); }
.btn--ghost:hover svg { transform: translateX(4px); }

/* --- Scroll reveal — IntersectionObserver driven ─────────── */
/* Default: visible (no-JS fallback) */
.fade-in {
  opacity: 1;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
/* When JS loads, set to invisible until IO fires */
.fade-in--pending {
  opacity: 0;
}
/* IO fires and adds this class */
.fade-in--shown {
  opacity: 1 !important;
}
/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in, .fade-in--pending, .fade-in--shown {
    opacity: 1 !important;
    transition: none !important;
  }
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-16) clamp(var(--space-5), 5vw, var(--space-20));
  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 1fr;
  align-items: start;
  gap: var(--space-12);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.1;
}
.footer-brand small {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
}
.footer-links a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-text); }
.footer-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-meta a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-meta a:hover { color: var(--color-primary); }
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-links { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .footer-meta { text-align: center; }
}

/* --- Books badge --- */
.books-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: 500;
}
.books-badge.open {
  color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
}
.books-badge.open::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-success);
}
.books-badge.closed {
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
}
.books-badge.closed::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-text-faint);
}

/* --- Page hero --- */
.page-hero {
  padding-top: calc(var(--space-24) + 60px);
  padding-bottom: var(--space-16);
  padding-inline: clamp(var(--space-5), 5vw, var(--space-20));
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.page-hero p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  line-height: 1.7;
}

/* --- Prose / article content --- */
.prose {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text);
  max-width: 65ch;
}
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  letter-spacing: 0.01em;
}
.prose h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  letter-spacing: 0.02em;
}
.prose p { margin-bottom: var(--space-5); }
.prose ul, .prose ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}
.prose li { margin-bottom: var(--space-2); }
.prose strong { font-weight: 600; }
.prose em { font-style: italic; }

/* --- Policy tables --- */
.policy-table {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  border-collapse: collapse;
  margin-bottom: var(--space-8);
}
.policy-table th {
  text-align: left;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.policy-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
  vertical-align: top;
}

/* --- Accordion / FAQ --- */
.accordion-item {
  border-bottom: 1px solid var(--color-divider);
}
.accordion-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition-interactive);
}
.accordion-btn:hover { color: var(--color-primary); }
.accordion-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}
.accordion-btn[aria-expanded="true"] .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  display: none;
  padding-bottom: var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 65ch;
}
.accordion-body.open { display: block; }

/* ── PLACEHOLDER IMAGE CARDS ──────────────────────────────── */
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

.img-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  opacity: 1;
}

.img-placeholder--1 {
  background: linear-gradient(135deg, #2A2420 0%, #4A3828 40%, #9B7B8A 100%);
}
.img-placeholder--2 {
  background: linear-gradient(150deg, #1C1816 0%, #3D2E2A 50%, #7A5A6A 100%);
}
.img-placeholder--3 {
  background: linear-gradient(120deg, #322820 0%, #5C4A40 40%, #C4A0B2 100%);
}
.img-placeholder--4 {
  background: linear-gradient(160deg, #241C1A 0%, #4A3030 50%, #8A6878 100%);
}
.img-placeholder--studio {
  background: linear-gradient(140deg, #1A1410 0%, #2A2018 50%, #4A3828 100%);
}

.img-placeholder-label {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}

/* Work card placeholder sizing */
.work-card-img .img-placeholder {
  min-height: 100%;
  position: absolute;
  inset: 0;
}

.work-card-img {
  position: relative;
  overflow: hidden;
}