/* ============================================
   SAYAMA — Styles communs aux pages d'expertise
   ============================================ */

/* Hero de page interne */
.page-hero {
  position: relative;
  padding: 180px 40px 100px;
  max-width: var(--max);
  margin: 0 auto;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 32px;
}
.breadcrumb a {
  color: var(--ink-mute);
  transition: color 0.2s ease;
}
.breadcrumb a:hover { color: var(--violet); }
.breadcrumb .sep { color: var(--line); }
.breadcrumb .current { color: var(--violet); font-weight: 500; }

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
}

.page-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: 28px;
}
.page-hero-eyebrow::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--magenta);
}

h1.page-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 84px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin-bottom: 28px;
}
h1.page-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--violet);
}

.page-hero-lede {
  font-size: clamp(17px, 1.4vw, 19px);
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 50ch;
}

.page-hero-visual {
  position: relative;
  height: 480px;
  border-radius: 8px;
  overflow: hidden;
}
.page-hero-visual-img {
  position: absolute;
  inset: -10%;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: transform 0.1s linear;
  filter: saturate(0.85) brightness(0.92);
}
.page-hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(61, 15, 92, 0.35), rgba(181, 24, 140, 0.15));
  mix-blend-mode: multiply;
}

/* Section générique de contenu */
.content-section {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
}
.content-section.alt {
  background: linear-gradient(to bottom, var(--ivory), var(--cream));
}
.content-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.content-narrow {
  max-width: var(--max-narrow);
  margin: 0 auto;
}

.content-header {
  margin-bottom: 60px;
  max-width: 720px;
}
.content-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}
.content-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--violet);
}
.content-lede {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.65;
}

/* Liste de prestations */
.offers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.offer {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 32px;
  transition: all 0.4s cubic-bezier(0.2, 0.7, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.offer::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--violet), var(--magenta));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
}
.offer:hover {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: 0 18px 36px -14px rgba(46, 10, 63, 0.15);
}
.offer:hover::before { transform: scaleY(1); }

.offer-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  color: var(--magenta);
  margin-bottom: 16px;
  display: block;
}
.offer-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.offer-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* Bloc deux colonnes texte + image */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split.reverse > :first-child { order: 2; }

.split-img {
  position: relative;
  height: 480px;
  border-radius: 8px;
  overflow: hidden;
}
.split-img-bg {
  position: absolute;
  inset: -10%;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: transform 0.1s linear;
}
.split-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(61, 15, 92, 0.2), rgba(181, 24, 140, 0.1));
  mix-blend-mode: multiply;
}

.split-text h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.split-text h3 em {
  font-style: italic;
  font-weight: 300;
  color: var(--violet);
}
.split-text p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.65;
  margin-bottom: 16px;
}
.split-text p:last-child { margin-bottom: 0; }

/* Liste de points-clés */
.bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}
.bullets li {
  position: relative;
  padding-left: 28px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 14px; height: 1px;
  background: var(--magenta);
}

/* Méthodologie en étapes */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 40px;
}
.step {
  padding: 32px 24px 32px 0;
  border-right: 1px solid var(--line);
  position: relative;
}
.step:last-child { border-right: none; }
.step:not(:first-child) { padding-left: 32px; }
.step-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--magenta);
  margin-bottom: 16px;
  display: block;
}
.step-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* CTA en bas de page */
.page-cta {
  padding: 120px 40px;
  background: var(--ink);
  color: var(--ivory);
  position: relative;
  overflow: hidden;
  z-index: 2;
}
.page-cta::before {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 24, 140, 0.25), transparent 60%);
  pointer-events: none;
}
.page-cta::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 18, 131, 0.3), transparent 60%);
  pointer-events: none;
}
.page-cta-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-cta-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.page-cta-title em {
  font-style: italic;
  color: var(--magenta-bright);
}
.page-cta-desc {
  font-size: 15px;
  color: rgba(250, 246, 242, 0.7);
  margin-top: 20px;
  max-width: 50ch;
}
.btn-light {
  background: var(--ivory);
  color: var(--ink);
}
.btn-light:hover {
  background: var(--paper);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 900px) {
  .page-hero { padding: 130px 24px 60px; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .page-hero-visual { height: 320px; }

  .content-section { padding: 80px 24px; }
  .offers { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse > :first-child { order: 0; }
  .split-img { height: 320px; }

  .steps { grid-template-columns: 1fr 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--line); padding: 24px 0 !important; }
  .step:nth-child(odd) { padding-right: 16px !important; }
  .step:nth-child(even) { padding-left: 16px !important; border-left: 1px solid var(--line); }

  .page-cta { padding: 80px 24px; }
  .page-cta-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 500px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-left: none !important; padding: 24px 0 !important; }
}