/* =========================================================
   Composants UI réutilisables
   ---------------------------------------------------------
   BTN-01  .dm-btn--primary   Bouton doré (CTA principal)
   BTN-02  .dm-btn--ghost     Outlined sombre
   BTN-03  .dm-btn--ghostLight Outlined clair (sur fond sombre)
   BTN-04  .dm-btn--link      Souligné
   BTN-05  .dm-btn--linkLight Souligné doré
   MRK-01  .dm-marker         Indicateur de chapitre
   PH-01   .dm-ph             Placeholder pierre (3 tons)
   CRD-01  .dm-card--real     Carte réalisation
   CRD-02  .dm-card--mat      Carte matière
   CRD-03  .dm-card--service  Carte ouvrage
   FRM-01  .dm-field          Champ de formulaire
   ========================================================= */

/* ---------- Boutons ---------- */
.dm-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 26px;
  font-family: var(--dm-font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--dm-tracking-btn);
  text-transform: uppercase;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--dm-dur-med) var(--dm-ease-out),
    color var(--dm-dur-med) var(--dm-ease-out),
    border-color var(--dm-dur-med) var(--dm-ease-out),
    transform var(--dm-dur-med) var(--dm-ease-out);
}
.dm-btn::after {
  content: "→";
  display: inline-block;
  transition: transform var(--dm-dur-med) var(--dm-ease-out);
}
.dm-btn:hover::after { transform: translateX(6px); }

.dm-btn--sm { padding: 12px 18px; font-size: 10.5px; }
.dm-btn--lg { padding: 20px 32px; font-size: 12px; }

.dm-btn--primary {
  background: var(--dm-champagne);
  color: var(--dm-ink);
}
.dm-btn--primary:hover {
  background: var(--dm-ink);
  color: var(--dm-champagne);
}

.dm-btn--ghost {
  color: var(--dm-ink);
  border-color: var(--dm-ink);
}
.dm-btn--ghost:hover {
  background: var(--dm-ink);
  color: var(--dm-paper);
}

.dm-btn--ghostLight {
  color: var(--dm-paper);
  border-color: rgba(245,244,245,0.4);
}
.dm-btn--ghostLight:hover {
  background: var(--dm-paper);
  color: var(--dm-ink);
  border-color: var(--dm-paper);
}

.dm-btn--minimal {
  background: var(--dm-mineral);
  color: var(--dm-paper);
}
.dm-btn--minimal:hover {
  background: var(--dm-ink);
}

/* Boutons "link" — soulignés */
.dm-btn--link, .dm-btn--linkLight {
  padding: 0 0 6px;
  border-bottom: 1px solid var(--dm-ink);
  background: none;
  color: var(--dm-ink);
}
.dm-btn--link::after, .dm-btn--linkLight::after {
  margin-left: 8px;
}
.dm-btn--link:hover {
  color: var(--dm-champagne);
}
.dm-btn--linkLight {
  color: var(--dm-champagne);
  border-bottom-color: var(--dm-champagne);
}
.dm-btn--linkLight:hover {
  color: var(--dm-paper);
  border-bottom-color: var(--dm-paper);
}

/* ---------- Marker (numéro de chapitre) ---------- */
.dm-marker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--dm-font-mono);
  font-size: var(--dm-meta);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dm-champagne);
}
.dm-marker::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}

/* ---------- Placeholders pierre ---------- */
/* À remplacer en intégration par de vraies photos via <img> ou Elementor.
   Sur ce livrable de référence ils tiennent le rôle des médias. */
.dm-ph {
  position: relative;
  overflow: hidden;
  background-color: #2a2f35;
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.10), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(184,164,140,0.10), transparent 60%);
  isolation: isolate;
}
.dm-ph::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(112deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(28deg, rgba(0,0,0,0.10) 0 1px, transparent 1px 9px);
  mix-blend-mode: overlay;
  pointer-events: none;
}
.dm-ph--light {
  background-color: #cfcdc7;
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.35), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(120,110,98,0.18), transparent 60%);
}
.dm-ph--warm {
  background-color: #9a8a76;
  background-image:
    radial-gradient(ellipse at 25% 25%, rgba(255,250,243,0.30), transparent 55%),
    radial-gradient(ellipse at 70% 75%, rgba(60,48,38,0.22), transparent 60%);
}
.dm-ph__tag {
  position: absolute;
  left: 12px; bottom: 10px;
  font-family: var(--dm-font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(4px);
  padding: 5px 8px;
  z-index: 2;
}
.dm-ph--light .dm-ph__tag { color: rgba(20,20,20,0.55); background: rgba(255,255,255,0.35); }

/* Effet "ken-burns" lent au survol (hover premium) */
.dm-media {
  position: relative;
  overflow: hidden;
}
.dm-media > .dm-ph, .dm-media > img {
  width: 100%; height: 100%;
  transition: transform 1.2s var(--dm-ease-out);
}
.dm-media:hover > .dm-ph,
.dm-media:hover > img {
  transform: scale(1.04);
}

/* Ratios */
.dm-ratio-4-3  { aspect-ratio: 4 / 3; }
.dm-ratio-3-4  { aspect-ratio: 3 / 4; }
.dm-ratio-16-9 { aspect-ratio: 16 / 9; }
.dm-ratio-1-1  { aspect-ratio: 1 / 1; }

/* ---------- Logo ---------- */
.dm-logo-inline {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--dm-font-serif);
  line-height: 1;
}
.dm-logo-inline > .lg { font-size: 1.7em; font-weight: 500; }
.dm-logo-inline > .sm { font-size: 1em; font-weight: 500; letter-spacing: 0.04em; }

/* ---------- Carte réalisation (CRD-01) ---------- */
.dm-card-real {
  display: block;
  position: relative;
  overflow: hidden;
  height: 100%;
  min-height: 480px;
  color: var(--dm-paper);
}
.dm-card-real .dm-ph {
  position: absolute; inset: 0;
  transition: transform 1.2s var(--dm-ease-out);
}
.dm-card-real:hover .dm-ph { transform: scale(1.05); }
.dm-card-real::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7) 100%);
  z-index: 2;
}
.dm-card-real__body {
  position: absolute; left: 24px; right: 24px; bottom: 24px;
  z-index: 3;
}
.dm-card-real__meta { color: var(--dm-champagne); margin-bottom: 8px; }
.dm-card-real__title { font-family: var(--dm-font-serif); font-size: 28px; line-height: 1.1; }
.dm-card-real__sub { margin-top: 6px; font-size: 11.5px; color: rgba(245,244,245,0.65); }

/* ---------- Carte matière (CRD-02) ---------- */
.dm-card-mat__media { position: relative; }
.dm-card-mat__num {
  position: absolute; top: 14px; left: 14px;
  font-family: var(--dm-font-mono); font-size: 9px;
  letter-spacing: 0.32em; color: rgba(255,255,255,0.78);
}
.dm-card-mat__body {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--dm-rule-light);
}
.dm-card-mat__title {
  font-family: var(--dm-font-serif);
  font-size: 26px; line-height: 1.1; color: var(--dm-ink);
}
.dm-card-mat__sub {
  margin-top: 6px;
  font-size: 11.5px; color: var(--dm-slate);
}

/* ---------- Champ de formulaire (FRM-01) ---------- */
.dm-field { display: block; }
.dm-field__label {
  display: block;
  font-family: var(--dm-font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dm-champagne);
  margin-bottom: 10px;
}
.dm-field__input,
.dm-field__textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--dm-rule-light);
  background: transparent;
  padding: 10px 0;
  font-family: var(--dm-font-serif);
  font-size: 22px;
  color: var(--dm-ink);
  transition: border-color var(--dm-dur-med) var(--dm-ease-out);
}
.dm-field__textarea { min-height: 120px; resize: vertical; }
.dm-field__input:focus,
.dm-field__textarea:focus {
  outline: none;
  border-bottom-color: var(--dm-champagne);
}
.dm-dark .dm-field__input,
.dm-dark .dm-field__textarea {
  color: var(--dm-paper);
  border-bottom-color: rgba(184,164,140,0.32);
}

/* ---------- Liens nav (animation soulignement) ---------- */
.dm-nav-link {
  position: relative;
  font-family: var(--dm-font-sans);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: inherit;
  padding-bottom: 4px;
}
.dm-nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--dm-champagne);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dm-dur-med) var(--dm-ease-out);
}
.dm-nav-link:hover::after,
.dm-nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left center;
}
.dm-nav-link[aria-current="page"] { color: var(--dm-champagne); }