/* =============================================================
   AtelierTati — Global Design System
   Version: 1.0.0
   Architecture: Hand-coded custom WordPress theme
   ============================================================= */

/* ─────────────────────────────────────────────
   1. DESIGN TOKENS (CSS Custom Properties)
   ───────────────────────────────────────────── */
:root {
  /* — Brand Colours — */
  --color-ink:          #1A1A1A;
  --color-ink-light:    #3D3D3D;
  --color-ink-muted:    #7A7A7A;

  --color-cream:        #FAFAF7;
  --color-cream-dark:   #F2F0EC;
  --color-white:        #FFFFFF;

  --color-accent:       #C8A96E;
  --color-accent-dark:  #A88848;
  --color-accent-light: #E8D5A8;

  --color-dark-bg:      #1C1C1C;
  --color-dark-surface: #252525;

  --color-border:       rgba(26,26,26,0.12);
  --color-border-dark:  rgba(255,255,255,0.12);

  /* — Typography — */
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;
  --font-sans:  'Inter', 'Helvetica Neue', sans-serif;
  --font-mono:  'Roboto Mono', 'Courier New', monospace;

  /* Font Sizes — fluid clamp scale */
  --text-xs:   clamp(0.688rem, 0.65rem + 0.2vw,  0.75rem);
  --text-sm:   clamp(0.813rem, 0.78rem + 0.2vw,  0.875rem);
  --text-base: clamp(1rem,     1rem + 0vw,        1rem);
  --text-md:   clamp(1.063rem, 1rem + 0.3vw,      1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.6vw,      1.25rem);
  --text-xl:   clamp(1.25rem,  1rem + 1.2vw,      1.5rem);
  --text-2xl:  clamp(1.5rem,   1rem + 2vw,        2rem);
  --text-3xl:  clamp(1.875rem, 1rem + 3vw,        2.5rem);
  --text-4xl:  clamp(2.25rem,  1rem + 4vw,        3.5rem);
  --text-5xl:  clamp(2.75rem,  1rem + 5.5vw,      5rem);
  --text-hero: clamp(3rem,     1rem + 7vw,        6.5rem);

  /* Font Weights */
  --weight-light:   300;
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semi:    600;
  --weight-bold:    700;

  /* Line Heights */
  --leading-tight:  1.15;
  --leading-snug:   1.3;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  /* Letter Spacing */
  --tracking-tight:   -0.02em;
  --tracking-normal:   0em;
  --tracking-wide:     0.05em;
  --tracking-wider:    0.12em;
  --tracking-widest:   0.2em;

  /* — Spacing Scale — */
  --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;
  --space-40: 10rem;

  --section-pad-y: clamp(4rem, 8vw, 8rem);
  --section-pad-x: clamp(1.25rem, 5vw, 6rem);

  /* — Layout — */
  --container-max:  1280px;
  --container-wide: 1440px;
  --container-text: 760px;
  --grid-gutter:    clamp(1rem, 3vw, 2rem);

  /* — Radius — */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-2xl:  40px;
  --radius-full: 9999px;

  /* — Shadows — */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:   0 24px 64px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.08);
  --shadow-card: 0 2px 24px rgba(26,26,26,0.07);

  /* — Transitions — */
  --ease-out:        cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out:     cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 600ms;

  /* — Z-Index — */
  --z-below:   -1;
  --z-base:     0;
  --z-raised:   10;
  --z-overlay:  100;
  --z-nav:      200;
  --z-modal:    300;
  --z-toast:    400;
}


/* ─────────────────────────────────────────────
   2. CSS RESET
   ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-ink);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}


/* ─────────────────────────────────────────────
   3. TYPOGRAPHY
   ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: var(--weight-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-4xl); }
h4 { font-size: var(--text-3xl); }
h5 { font-size: var(--text-2xl); }
h6 { font-size: var(--text-xl); }

p {
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: var(--color-ink-light);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--color-ink-light);
}

strong, b { font-weight: var(--weight-semi); }
em, i { font-style: italic; }


/* ─────────────────────────────────────────────
   4. LAYOUT
   ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-pad-x);
}
.container--wide { max-width: var(--container-wide); }
.container--text  { max-width: var(--container-text); }

.section { padding-block: var(--section-pad-y); }

.section--dark {
  background-color: var(--color-dark-bg);
  color: var(--color-cream);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--color-cream); }
.section--dark p   { color: rgba(250,250,247,0.72); }

.section--cream      { background-color: var(--color-cream); }
.section--cream-dark { background-color: var(--color-cream-dark); }

/* Grid */
.grid   { display: grid; gap: var(--grid-gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Flex utils */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col     { display: flex; flex-direction: column; }
.gap-sm { gap: var(--space-4); }
.gap-md { gap: var(--space-8); }
.gap-lg { gap: var(--space-12); }


/* ─────────────────────────────────────────────
   5. BUTTONS
   ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary  { background-color: var(--color-ink);    color: var(--color-cream); border-color: var(--color-ink); }
.btn--outline  { background-color: transparent;          color: var(--color-ink);   border-color: var(--color-ink); }
.btn--ghost    { background-color: transparent;          color: var(--color-cream); border-color: rgba(250,250,247,0.4); }
.btn--accent   { background-color: var(--color-accent); color: var(--color-ink);   border-color: var(--color-accent); }

.btn--primary:hover  { background-color: var(--color-accent-dark); border-color: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--outline:hover  { background-color: var(--color-ink); color: var(--color-cream); transform: translateY(-1px); }
.btn--ghost:hover    { background-color: var(--color-cream); color: var(--color-ink); border-color: var(--color-cream); }
.btn--accent:hover   { background-color: var(--color-accent-dark); border-color: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--sm { padding: 0.625rem 1.25rem; font-size: var(--text-xs); }
.btn--lg { padding: 1rem 2.5rem;      font-size: var(--text-base); }


/* ─────────────────────────────────────────────
   6. SITE HEADER
   ───────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding-block: var(--space-5);
  transition: all var(--duration-slow) var(--ease-out);
}

.site-header.is-scrolled {
  background-color: rgba(250,250,247,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.site-logo img { height: 36px; width: auto; }
.site-logo__wordmark {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-wide);
  color: var(--color-ink);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.primary-nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-light);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background-color: var(--color-accent);
  transition: width var(--duration-base) var(--ease-out);
}

.primary-nav a:hover,
.primary-nav a.current-menu-item { color: var(--color-ink); }
.primary-nav a:hover::after,
.primary-nav a.current-menu-item::after { width: 100%; }

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

.lang-switcher {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  transition: color var(--duration-fast);
}
.lang-switcher:hover { color: var(--color-ink); }
.lang-switcher .sep { margin-inline: var(--space-1); opacity: 0.3; }
.lang-switcher a.active { color: var(--color-ink); font-weight: var(--weight-semi); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background-color: var(--color-ink);
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .menu-toggle { display: flex; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background-color: var(--color-cream);
    flex-direction: column;
    padding: var(--space-6) var(--section-pad-x);
    gap: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { font-size: var(--text-md); }
  .header-cta .btn { display: none; }
}


/* ─────────────────────────────────────────────
   7. HERO BLOCK
   ───────────────────────────────────────────── */
.block-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background-color: var(--color-ink);
  padding-top: 80px;
}

.block-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.block-hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 1.2s var(--ease-out);
}
.block-hero.is-loaded .block-hero__bg img { transform: scale(1); }

.block-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(26,26,26,0.15) 0%,
    rgba(26,26,26,0.05) 40%,
    rgba(26,26,26,0.55) 75%,
    rgba(26,26,26,0.90) 100%
  );
}

.block-hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-24) var(--section-pad-x) var(--space-20);
  max-width: var(--container-max);
  margin-inline: auto;
  width: 100%;
}

.block-hero__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-5);
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--duration-slow) var(--ease-out) 0.2s;
}

.block-hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-hero);
  font-weight: var(--weight-light);
  line-height: 1.05;
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
  max-width: 14ch;
  margin-bottom: var(--space-8);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-slower) var(--ease-out) 0.4s;
}
.block-hero__title em { font-style: italic; color: var(--color-accent-light); }

.block-hero__subtitle {
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: rgba(250,250,247,0.75);
  max-width: 52ch;
  margin-bottom: var(--space-10);
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--duration-slow) var(--ease-out) 0.6s;
}

.block-hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--duration-slow) var(--ease-out) 0.8s;
}

/* Entrance triggers */
.block-hero.is-loaded .block-hero__eyebrow,
.block-hero.is-loaded .block-hero__title,
.block-hero.is-loaded .block-hero__subtitle,
.block-hero.is-loaded .block-hero__actions {
  opacity: 1;
  transform: translateY(0);
}

.block-hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(250,250,247,0.5);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out) 1.2s;
}
.block-hero.is-loaded .block-hero__scroll { opacity: 1; }

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(250,250,247,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}


/* ─────────────────────────────────────────────
   8. SITE FOOTER
   ───────────────────────────────────────────── */
.site-footer {
  background-color: var(--color-dark-bg);
  color: rgba(250,250,247,0.7);
  padding-block: var(--space-20) var(--space-12);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.footer-brand__logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  color: var(--color-cream);
  margin-bottom: var(--space-4);
}

.footer-brand__tagline {
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: rgba(250,250,247,0.55);
  max-width: 30ch;
  margin-bottom: var(--space-8);
}

.footer-col__title {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.footer-col__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col__links a {
  font-size: var(--text-sm);
  color: rgba(250,250,247,0.6);
  transition: color var(--duration-fast);
}
.footer-col__links a:hover { color: var(--color-cream); }

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

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(250,250,247,0.35);
}

@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-10); }
}
@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}


/* ─────────────────────────────────────────────
   9. CARDS
   ───────────────────────────────────────────── */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-card);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }

.card__image { aspect-ratio: 4/3; overflow: hidden; }
.card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow) var(--ease-out); }
.card:hover .card__image img { transform: scale(1.04); }

.card__body { padding: var(--space-6); }
.card__eyebrow { font-size: var(--text-xs); letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-3); }
.card__title { font-family: var(--font-serif); font-size: var(--text-2xl); font-weight: var(--weight-light); line-height: var(--leading-snug); color: var(--color-ink); margin-bottom: var(--space-3); }
.card__excerpt { font-size: var(--text-sm); line-height: var(--leading-loose); color: var(--color-ink-muted); }


/* ─────────────────────────────────────────────
   10. SCROLL REVEAL
   ───────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}
[data-reveal="left"]  { transform: translateX(-24px); }
[data-reveal="right"] { transform: translateX(24px); }
[data-reveal="scale"] { transform: scale(0.96); }
[data-reveal].is-visible { opacity: 1; transform: none; }

[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
[data-reveal-group].is-visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0ms; }
[data-reveal-group].is-visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 80ms; }
[data-reveal-group].is-visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 160ms; }
[data-reveal-group].is-visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 240ms; }
[data-reveal-group].is-visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 320ms; }
[data-reveal-group].is-visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 400ms; }


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

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-cream  { color: var(--color-cream) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-muted  { color: var(--color-ink-muted) !important; }

.mt-auto { margin-top: auto; }
.mb-0    { margin-bottom: 0; }

.divider { border: none; border-top: 1px solid var(--color-border); margin-block: var(--space-8); }

.aspect-square { aspect-ratio: 1/1; }
.aspect-4-3    { aspect-ratio: 4/3; }
.aspect-16-9   { aspect-ratio: 16/9; }
.aspect-3-4    { aspect-ratio: 3/4; }

.overflow-hidden { overflow: hidden; }
.object-cover    { object-fit: cover; width: 100%; height: 100%; }


/* ─────────────────────────────────────────────
   12. WORDPRESS NATIVE
   ───────────────────────────────────────────── */
.alignleft   { float: left; margin-right: var(--space-6); margin-bottom: var(--space-4); }
.alignright  { float: right; margin-left: var(--space-6); margin-bottom: var(--space-4); }
.aligncenter { margin-left: auto; margin-right: auto; display: block; }
.alignfull   { width: 100vw; margin-left: calc(50% - 50vw); }
.alignwide   { max-width: calc(var(--container-max) + 6rem); margin-inline: auto; }

.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: var(--text-xs); color: var(--color-ink-muted); text-align: center; margin-top: var(--space-2); }

.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) {
  .admin-bar .site-header { top: 46px; }
}