/* ============================================================
   SUMMARY — synthèse Pourquoi / Quoi / Comment, fond sombre.
============================================================ */

.summary {
  padding: 15vh 0;
  background:
    radial-gradient(ellipse at 76% 16%, rgba(225, 0, 15, 0.14), transparent 38%),
    radial-gradient(ellipse at 8% 84%, rgba(18, 18, 255, 0.18), transparent 42%),
    var(--bg-dark);
  color: #fff;
}
.summary__head {
  max-width: 840px;
  margin-bottom: 80px;
}
.summary__title {
  font-size: clamp(44px, 6.8vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin: 0 0 32px;
}
.summary__lede {
  max-width: 680px;
  font-size: 19px;
  line-height: 1.55;
  color: #d8d8e4;
  margin: 0;
}
.summary__steps {
  position: relative;
  display: grid;
  gap: 44px;
  max-width: 960px;
}
.summary__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, 260px) 1fr;
  gap: 34px;
  align-items: stretch;
}
.summary__item::before {
  content: "";
  position: absolute;
  top: 52px;
  bottom: -68px;
  left: 7px;
  width: 2px;
  background: rgba(255, 255, 255, 0.28);
}
.summary__item:last-child::before {
  display: none;
}
.summary__axis {
  position: relative;
  display: flex;
  gap: 18px;
  padding-top: 38px;
}
.summary__dot {
  position: relative;
  z-index: 1;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin-top: 5px;
  border-radius: 50%;
  background: #f4f4f8;
  border: 2px solid rgba(255, 255, 255, 0.48);
  box-shadow: 0 0 0 7px rgba(255, 255, 255, 0.07);
}
.summary__item-title {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: #fff;
  margin: 0;
}
.summary__body {
  position: relative;
  padding: 36px 0 36px 34px;
}
.summary__claim {
  position: relative;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: #fff;
  margin: 0 0 26px;
}
.summary__list {
  position: relative;
  display: grid;
  gap: 18px 28px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}
.summary__list li {
  position: relative;
  padding-left: 18px;
  color: #d8d8e4;
  font-size: 15px;
  line-height: 1.45;
}
.summary__list strong {
  color: #fff;
  font-size: 1.08em;
  font-weight: 800;
}
.summary__list li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  transform: translateY(-50%);
}

@media (max-width: 980px) {
  .summary__item {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .summary__axis {
    padding: 0 0 0 34px;
  }
  .summary__item::before {
    top: 26px;
    bottom: -42px;
    left: 41px;
  }
  .summary__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .summary {
    padding: 10vh 0;
  }
  .summary__head {
    margin-bottom: 42px;
  }
  .summary__title {
    font-size: clamp(40px, 13vw, 58px);
  }
  .summary__lede {
    font-size: 17px;
  }
  .summary__steps {
    gap: 30px;
  }
  .summary__item {
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: start;
  }
  .summary__item::before {
    top: 24px;
    bottom: -38px;
    left: 6px;
  }
  .summary__axis {
    gap: 14px;
    padding: 0;
  }
  .summary__dot {
    width: 14px;
    height: 14px;
    flex-basis: 14px;
  }
  .summary__item-title {
    font-size: clamp(26px, 8vw, 32px);
    letter-spacing: -0.025em;
  }
  .summary__body {
    padding: 0 0 0 34px;
  }
  .summary__claim {
    font-size: 18px;
    margin-bottom: 14px;
  }
  .summary__list li {
    font-size: 14px;
    padding-left: 16px;
  }
  .summary__list li::before {
    width: 6px;
    height: 6px;
  }
}