/* ==========================================================================
   ESSARDAS GROUP — COMPONENTS (chrome you build)
   Buttons, eyebrows, section headers, editorial cards, dividers, forms.
   Per implementation.md §6.5. Gold is precious — hairlines & accents only.
   ========================================================================== */

/* ==========================================================================
   EYEBROW LABEL — small-caps Inter, champagne, preceded by a hairline rule
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--champagne);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--champagne);
  flex: none;
}
.eyebrow--center { justify-content: center; }
.eyebrow--bare::before { display: none; }

/* ==========================================================================
   SECTION HEADER — eyebrow + Cormorant H2 + optional italic lead
   ========================================================================== */
.section-head { max-width: 46rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: var(--space-3); }
.section-head h2 { margin-bottom: var(--space-3); }
.section-head .lead {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-lead);
  color: var(--ink-soft);
  line-height: 1.4;
}
.section--obsidian .section-head .lead,
.section--onyx .section-head .lead { color: var(--chalk-soft); }

/* Lead paragraph (editorial pull) */
.lead {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-lead);
  line-height: 1.45;
  color: var(--ink-soft);
}
.section--obsidian .lead, .section--onyx .lead { color: var(--chalk-soft); }

/* Body prose blocks */
.prose p { font-size: var(--fs-body); line-height: var(--leading-body); }
.prose p + p { margin-top: var(--space-3); }
.prose .measure { max-width: var(--maxw-text); }

/* ==========================================================================
   BUTTONS — hairline-outline, small-caps, no shadow, max 2px radius
   ========================================================================== */
.btn {
  --btn-fg: var(--ink);
  --btn-line: var(--ink);
  --btn-fill: var(--champagne);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--btn-fg);
  border: 1px solid var(--btn-line);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  overflow: hidden;
  transition: color var(--dur-fast) var(--ease-luxe);
  will-change: transform;
}
.btn > * { position: relative; z-index: 1; }
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--btn-fill);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-fast) var(--ease-luxe);
  z-index: 0;
}
.btn:hover::before, .btn:focus-visible::before { transform: scaleX(1); }
.btn:hover, .btn:focus-visible { color: var(--obsidian); }

/* On dark surfaces — champagne outline */
.btn--gold {
  --btn-fg: var(--champagne-glow);
  --btn-line: var(--champagne);
  --btn-fill: var(--champagne);
}
/* On light surfaces — ink outline that fills champagne */
.btn--ink {
  --btn-fg: var(--ink);
  --btn-line: var(--ink);
  --btn-fill: var(--champagne);
}
/* Filled inverse (rare — used for high-emphasis on dark) */
.btn--solid {
  background: var(--champagne);
  color: var(--obsidian);
  border-color: var(--champagne);
}
.btn--solid::before { background: var(--champagne-glow); }
.btn--solid:hover, .btn--solid:focus-visible { color: var(--obsidian); }

.btn--block { display: flex; width: 100%; }
.btn--sm { padding: 0.7rem 1.4rem; }

/* Secondary text link — underline draws left→right */
.link-underline {
  position: relative;
  display: inline-block;
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: currentColor;
  padding-bottom: 4px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--champagne);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-mid) var(--ease-luxe);
}
.link-underline:hover::after, .link-underline:focus-visible::after { transform: scaleX(1); }
.link-underline .arrow { transition: transform var(--dur-fast) var(--ease-luxe); display: inline-block; }
.link-underline:hover .arrow { transform: translateX(4px); }

/* ==========================================================================
   DIVIDER — 1px line with optional centred gold diamond glyph
   ========================================================================== */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--line);
}
.section--obsidian .divider, .section--onyx .divider { color: var(--line-dark); }
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
}
.divider .diamond {
  width: 6px; height: 6px;
  background: var(--champagne);
  transform: rotate(45deg);
  flex: none;
}

/* ==========================================================================
   CARD — editorial / brand / boutique
   --ivory or --onyx surface, no shadow, 1px hairline, hover image scale 1.03
   ========================================================================== */
.card {
  display: flex;
  flex-direction: column;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  color: var(--ink);
  transition: border-color var(--dur-mid) var(--ease-luxe);
}
.section--obsidian .card, .section--onyx .card, .card--dark {
  background: var(--onyx);
  border-color: var(--line-dark);
  color: var(--chalk);
}
.card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--parchment);
}
.card--dark .card__media { background: var(--graphite); }
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-luxe);
}
.card__media::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: var(--vignette);
  pointer-events: none;
  opacity: 0.5;
}
.card:hover .card__media img,
.card:focus-within .card__media img { transform: scale(1.03); }
.card:hover, .card:focus-within { border-color: var(--champagne); }

.card__body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.05;
  position: relative;
  display: inline-block;
}
.card__title::after {
  content: "";
  position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: var(--champagne);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-mid) var(--ease-luxe);
}
.card:hover .card__title::after, .card:focus-within .card__title::after { transform: scaleX(1); }
.card__meta {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-ui);
  text-transform: uppercase;
  color: var(--ink-soft);
}
.card--dark .card__meta { color: var(--chalk-soft); }
.card__text { color: var(--ink-soft); font-size: var(--fs-body); }
.card--dark .card__text { color: var(--chalk-soft); }
.card__link::after { content: ""; position: absolute; inset: 0; }
.card { position: relative; }

/* ==========================================================================
   FORMS — underline-only inputs, floating labels, gold focus underline
   ========================================================================== */
.field {
  position: relative;
  display: flex;
  flex-direction: column;
}
.field label {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-ui);
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
  transition: color var(--dur-fast) var(--ease-luxe);
}
.section--obsidian .field label, .section--onyx .field label,
.field--dark label { color: var(--chalk-soft); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0 0.6rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  transition: border-color var(--dur-fast) var(--ease-luxe);
  appearance: none;
}
.section--obsidian .field input, .section--obsidian .field select, .section--obsidian .field textarea,
.section--onyx .field input, .section--onyx .field select, .section--onyx .field textarea,
.field--dark input, .field--dark select, .field--dark textarea {
  border-bottom-color: var(--line-dark);
  color: var(--chalk);
}
.field textarea { resize: vertical; min-height: 6rem; line-height: 1.5; }
.field select { cursor: pointer; }
.field input::placeholder, .field textarea::placeholder { color: var(--smoke); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--champagne);
}
.field:focus-within label,
.field input:focus + label { color: var(--champagne); }

/* Select chevron */
.field--select { position: relative; }
.field--select::after {
  content: "";
  position: absolute;
  right: 2px; bottom: 1.05rem;
  width: 8px; height: 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  pointer-events: none;
  color: var(--champagne);
}

.field__error {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--champagne-deep);
  margin-top: 0.4rem;
  min-height: 1em;
}
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea { border-bottom-color: var(--champagne-deep); }

.form-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.section--obsidian .form-note, .section--onyx .form-note { color: var(--chalk-soft); }

.form-status {
  font-family: var(--font-ui);
  font-size: var(--fs-body);
}
.form-status--ok { color: var(--champagne-deep); }
.form-status--err { color: var(--champagne-deep); }

/* ==========================================================================
   BADGE / PILL (used for boutique tags, brand worlds)
   ========================================================================== */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
}
.card--dark .tag, .section--obsidian .tag, .section--onyx .tag {
  color: var(--chalk-soft);
  border-color: var(--line-dark);
}
.tag--gold { color: var(--champagne); border-color: var(--champagne); }

/* ==========================================================================
   REVEAL — base state for scroll-in animation (GSAP/IO add .is-visible)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-luxe), transform var(--dur-slow) var(--ease-luxe);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}