/* ===== PAGES EXPERTISE — styles partagés ===== */

/* HERO Expertise */
.exp-hero {
  padding: 120px 0 80px 0;
  position: relative;
}
.exp-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
.exp-hero-logo {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
  border: 1px solid var(--gray-200);
}
.exp-hero-logo img { width: 100%; height: 100%; object-fit: cover; }
.exp-hero h1 {
  font-size: clamp(56px, 7vw, 110px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
}
.exp-hero h1 .serif { color: var(--gray-500); }
.exp-hero-lead {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--gray-700);
  max-width: 520px;
  margin-bottom: 40px;
}
.exp-hero-lead strong { color: var(--ink); font-weight: 500; }
.exp-hero-meta {
  display: flex;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
  flex-wrap: wrap;
}
.exp-hero-meta strong { color: var(--ink); font-weight: 500; }
.exp-hero-visual {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: 4px;
  background: var(--gray-100);
}
.exp-hero-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.05);
}

@media (max-width: 900px) {
  .exp-hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .exp-hero-visual { aspect-ratio: 4/3; }
}

/* INTRO */
.exp-intro { padding: 60px 0 100px 0; }
.exp-intro-text {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.35;
  color: var(--ink);
  max-width: 800px;
}
.exp-intro-text em {
  font-style: italic;
  color: var(--indigo);
}

/* WHAT WE DO */
.exp-what { padding: 60px 0 100px 0; }
.exp-what-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; }
.exp-what-sticky { position: sticky; top: 110px; align-self: start; }
.exp-what-sticky h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.05; margin-bottom: 20px; }
.exp-what-sticky p { font-size: 15px; color: var(--gray-700); line-height: 1.6; }
.exp-what-items { display: flex; flex-direction: column; }
.exp-item { padding: 32px 0; border-bottom: 1px solid var(--gray-200); }
.exp-item:first-child { padding-top: 0; }
.exp-item:last-child { border-bottom: none; }
.exp-item-title { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 12px; }
.exp-item-desc { font-size: 15px; line-height: 1.6; color: var(--gray-700); }
@media (max-width: 900px) {
  .exp-what-grid { grid-template-columns: 1fr; gap: 40px; }
  .exp-what-sticky { position: static; }
}

/* FEATURES */
.exp-features {
  padding: 100px 0;
  background: var(--gray-50);
}
.exp-features-header { margin-bottom: 64px; max-width: 720px; }
.exp-features-header h2 {
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.02;
  margin-bottom: 20px;
}
.exp-features-header p { font-size: 16px; color: var(--gray-700); line-height: 1.6; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--paper);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out);
}
.feature-card:hover { transform: translateY(-3px); }
.feature-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-200);
}
.feature-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.feature-card:hover .feature-image img { transform: scale(1.03); }
.feature-info { padding: 24px; }
.feature-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--indigo);
  margin-bottom: 8px;
}
.feature-title { font-size: 18px; font-weight: 500; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature-desc { font-size: 13.5px; color: var(--gray-700); line-height: 1.55; }
@media (max-width: 900px) { .features-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

/* CASES */
.exp-cases { padding: 120px 0; }
.exp-cases-header { margin-bottom: 80px; max-width: 720px; }
.exp-cases-header h2 { font-size: clamp(40px, 5vw, 64px); line-height: 1.02; margin-bottom: 24px; }
.exp-cases-header p { font-size: 17px; color: var(--gray-700); line-height: 1.55; }

.case { margin-bottom: 100px; }
.case:last-child { margin-bottom: 0; }
.case-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
  gap: 40px;
  flex-wrap: wrap;
}
.case-title-block { flex: 1; min-width: 280px; }
.case-tag-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.case-tag-item {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  padding: 4px 10px;
  border: 1px solid var(--gray-200);
  border-radius: 100px;
}
.case-name { font-size: clamp(28px, 3.5vw, 42px); line-height: 1.05; margin-bottom: 12px; }
.case-pitch { font-size: 16px; line-height: 1.55; color: var(--gray-700); max-width: 540px; }
.case-pitch strong { color: var(--ink); font-weight: 500; }
.case-meta-side {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-500);
  line-height: 1.8;
  text-align: right;
}
.case-meta-side strong { color: var(--ink); font-weight: 500; }
.case-visuals { display: grid; gap: 16px; }
.case-visuals.two-cols { grid-template-columns: 1fr 1fr; }
.case-visuals.three-cols { grid-template-columns: 1fr 1fr 1fr; }
.case-visuals img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
  filter: contrast(1.05);
}
.case-visual-full {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 4px;
  filter: contrast(1.05);
}
@media (max-width: 768px) {
  .case-visuals.two-cols, .case-visuals.three-cols { grid-template-columns: 1fr; }
}

/* TOOLS */
.exp-tools {
  padding: 100px 0;
  background: var(--ink);
  color: var(--paper);
}
.exp-tools-header { margin-bottom: 48px; max-width: 700px; }
.exp-tools-header .eyebrow { color: var(--gray-400); margin-bottom: 24px; }
.exp-tools-header .eyebrow::before { background: #fff; opacity: 0.7; }
.exp-tools-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  color: var(--paper);
  margin-bottom: 16px;
}
.exp-tools-header p { font-size: 15px; color: var(--gray-400); line-height: 1.6; }
.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tool-card {
  background: #0f0f0f;
  border: 1px solid #262626;
  padding: 32px;
  border-radius: 4px;
  transition: border-color 0.3s;
  display: block;
}
.tool-card:hover { border-color: var(--indigo); }
.tool-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 24px;
}
.tool-title { font-size: 24px; font-weight: 500; color: var(--paper); margin-bottom: 12px; }
.tool-desc { font-size: 14px; color: var(--gray-400); line-height: 1.6; margin-bottom: 24px; }
.tool-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--paper);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
@media (max-width: 768px) { .tools-grid { grid-template-columns: 1fr; } }

/* CTA */
.exp-cta { padding: 120px 0; text-align: center; }
.exp-cta h2 { font-size: clamp(36px, 5vw, 64px); line-height: 1.02; margin-bottom: 20px; }
.exp-cta h2 .serif { color: var(--indigo); }
.exp-cta p {
  font-size: 16px;
  color: var(--gray-700);
  max-width: 480px;
  margin: 0 auto 32px auto;
  line-height: 1.55;
}
.exp-cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* OTHER EXPERTISES */
.exp-other {
  padding: 80px 0 120px 0;
  background: var(--gray-50);
}
.exp-other-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 32px;
}
.exp-other-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}
.exp-other-item {
  background: var(--paper);
  padding: 24px;
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.exp-other-item:hover { background: var(--gray-50); }
.exp-other-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--indigo);
  letter-spacing: 0.08em;
}
.exp-other-name { font-size: 18px; font-weight: 500; color: var(--ink); letter-spacing: -0.01em; }
@media (max-width: 768px) { .exp-other-list { grid-template-columns: 1fr 1fr; } }
