/* ============================================================
   COHECO — Premium Cards v2.0
   Inspiration : cards posées, coins généreux, ombres directionnelles
   Univers Coheco : organique, sobre, éditorial
   ============================================================ */

:root {
  --card-bg:       #FEFCF8;
  --card-bg-h:     #FFFFFF;
  --card-radius:   10px;
  --card-shadow:
    0 1px 2px rgba(28,26,23,0.04),
    0 4px 12px rgba(28,26,23,0.06),
    0 12px 32px rgba(28,26,23,0.07);
  --card-shadow-h:
    0 2px 4px rgba(28,26,23,0.05),
    0 8px 24px rgba(28,26,23,0.09),
    0 24px 56px rgba(28,26,23,0.10),
    0 1px 0 rgba(255,255,255,0.8) inset;
  --card-border:   rgba(28,26,23,0.06);
  --card-border-h: rgba(196,98,45,0.15);
  --ease-expo:     cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   HOME CARDS
   ============================================================ */

.home-portes {
  padding: 0 2.5rem 5rem;
  background: var(--white);
}

.home-portes-label {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-m);
  margin-bottom: 2rem;
  padding-top: 3rem;
  display: block;
}

.home-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.home-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.5rem 2.25rem 2.25rem;
  background: var(--card-bg);
  border: 0.5px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  text-decoration: none;
  overflow: hidden;
  transition:
    transform 0.55s var(--ease-expo),
    box-shadow 0.55s var(--ease-expo),
    border-color 0.35s ease,
    background 0.35s ease;
  will-change: transform;
}

/* Card centrale surélevée */
.home-card:nth-child(2) {
  transform: translateY(-14px);
  box-shadow:
    0 2px 4px rgba(28,26,23,0.05),
    0 8px 24px rgba(28,26,23,0.08),
    0 20px 48px rgba(28,26,23,0.09);
}

/* Filet terra haut */
.home-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--terra) 0%, rgba(196,98,45,0.3) 100%);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-expo);
}

/* Halo fond */
.home-card::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(196,98,45,0.05) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.6s var(--ease-expo);
}

.home-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-h);
  border-color: var(--card-border-h);
  background: var(--card-bg-h);
}

.home-card:nth-child(2):hover {
  transform: translateY(-20px);
}

.home-card:hover::before { transform: scaleX(1); }
.home-card:hover::after  { opacity: 1; transform: scale(1.15); }

.home-card-num {
  position: absolute;
  top: 1.5rem; right: 1.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 56px;
  font-weight: 800;
  color: rgba(28,26,23,0.04);
  line-height: 1;
  letter-spacing: -0.05em;
  user-select: none;
  transition: color 0.4s ease;
}

.home-card:hover .home-card-num {
  color: rgba(196,98,45,0.07);
}

.home-card-tag {
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 1.5rem;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.home-card:hover .home-card-tag { opacity: 1; }

.home-card-tag::after {
  content: '';
  display: block;
  width: 18px; height: 1px;
  background: var(--terra);
  margin-top: 0.65rem;
  opacity: 0.3;
  transition: width 0.45s var(--ease-expo), opacity 0.3s;
}

.home-card:hover .home-card-tag::after {
  width: 32px;
  opacity: 0.6;
}

.home-card-title {
  font-family: 'Inter', sans-serif;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.028em;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 0.9rem;
}

.home-card-desc {
  font-family: 'Lora', serif;
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.72;
  color: var(--ink-m);
  flex: 1;
  padding-bottom: 1.75rem;
}

.home-card-cta {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terra);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-top: 0.5px solid rgba(28,26,23,0.07);
  padding-top: 1.25rem;
  transition: gap 0.35s var(--ease-expo), border-color 0.3s;
}

.home-card:hover .home-card-cta {
  gap: 0.75rem;
  border-color: rgba(196,98,45,0.18);
}

/* ============================================================
   SIT-ITEMS
   ============================================================ */

.sit-list {
  padding: 0 2.5rem;
}

.sit-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 4rem;
  padding: 2.75rem 2rem;
  margin-bottom: 1rem;
  background: var(--card-bg);
  border: 0.5px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow:
    0 1px 3px rgba(28,26,23,0.03),
    0 4px 16px rgba(28,26,23,0.05);
  position: relative;
  overflow: hidden;
  transition:
    transform 0.5s var(--ease-expo),
    box-shadow 0.5s var(--ease-expo),
    border-color 0.3s ease;
}

.sit-item:first-child { border-top: 0.5px solid var(--card-border); }

.sit-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--terra) 0%, rgba(196,98,45,0.3) 100%);
  border-radius: var(--card-radius) 0 0 var(--card-radius);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s var(--ease-expo);
}

.sit-item:hover {
  transform: translateX(6px);
  box-shadow:
    0 2px 6px rgba(28,26,23,0.05),
    0 8px 28px rgba(28,26,23,0.08);
  border-color: var(--card-border-h);
}

.sit-item:hover::before { transform: scaleY(1); }

.sit-num {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: 44px;
  color: rgba(196,98,45,0.1);
  line-height: 1;
  margin-bottom: 0.75rem;
  transition: color 0.35s;
}

.sit-item:hover .sit-num { color: rgba(196,98,45,0.2); }

.sit-tag {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 0.5rem;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.sit-item:hover .sit-tag { opacity: 1; }

.sit-title {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.018em;
  color: var(--ink);
  line-height: 1.2;
}

.sit-title::after {
  content: '';
  display: block;
  width: 20px; height: 0.5px;
  background: var(--terra);
  margin-top: 1rem;
  opacity: 0.25;
  transition: width 0.45s var(--ease-expo), opacity 0.3s;
}

.sit-item:hover .sit-title::after { width: 36px; opacity: 0.5; }

.sit-block-label {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.sit-work-box {
  background: rgba(196,98,45,0.04);
  border-left: 2px solid rgba(196,98,45,0.18);
  padding: 0.85rem 1rem;
  border-radius: 0 4px 4px 0;
  transition: background 0.3s, border-color 0.3s;
}

.sit-item:hover .sit-work-box {
  background: rgba(196,98,45,0.07);
  border-color: rgba(196,98,45,0.35);
}

/* ============================================================
   REF-ARTICLES
   ============================================================ */

.ref-grid {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ref-article {
  padding: 1.75rem 2rem;
  background: var(--card-bg);
  border: 0.5px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow:
    0 1px 3px rgba(28,26,23,0.03),
    0 4px 12px rgba(28,26,23,0.05);
  display: grid;
  grid-template-columns: 80px 1fr 90px;
  gap: 2rem;
  align-items: start;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.45s var(--ease-expo),
    box-shadow 0.45s var(--ease-expo),
    border-color 0.3s ease;
}

.ref-article:first-child { border-top: 0.5px solid var(--card-border); }

.ref-article::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--terra) 0%, rgba(196,98,45,0.2) 100%);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-expo);
}

.ref-article:hover {
  transform: translateY(-4px);
  box-shadow:
    0 2px 8px rgba(28,26,23,0.06),
    0 12px 32px rgba(28,26,23,0.09);
  border-color: var(--card-border-h);
}

.ref-article:hover::before { transform: scaleX(1); }

.ref-art-cat {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terra);
  padding-top: 0.2rem;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.ref-article:hover .ref-art-cat { opacity: 1; }

.ref-art-title {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 0.45rem;
  line-height: 1.3;
}

.ref-art-excerpt {
  font-family: 'Lora', serif;
  font-size: 13px;
  font-style: italic;
  line-height: 1.65;
  color: var(--ink-m);
}

.ref-art-meta {
  font-size: 10px;
  color: var(--ink-m);
  text-align: right;
  opacity: 0.65;
  transition: opacity 0.2s;
}

.ref-article:hover .ref-art-meta { opacity: 1; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .home-cards { grid-template-columns: 1fr; gap: 1rem; }
  .home-card:nth-child(2) { transform: none; }
  .home-card:nth-child(2):hover { transform: translateY(-6px); }
  .home-portes { padding: 0 1.5rem 3.5rem; }

  .sit-list { padding: 0 1.5rem; }
  .sit-item { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 1.5rem; }
  .sit-item:hover { transform: none; }

  .ref-article { grid-template-columns: 1fr; gap: 0.75rem; padding: 1.5rem; }
  .ref-art-meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .home-card, .home-card:nth-child(2),
  .sit-item, .ref-article {
    transition: none;
    transform: none !important;
  }
  .home-card::before, .home-card::after,
  .sit-item::before, .ref-article::before { display: none; }
}