.projects-section {
  position: relative;
  border-top: 1px solid var(--line);
}

.project-preview-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-preview-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: 26px;
  border: 1px solid #dfddd6;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(9, 17, 31, 0.06);
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.project-preview-card:before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, #7867e7, #6ee7f2);
}

.project-preview-card:nth-child(2):before {
  background: linear-gradient(90deg, #6ee7f2, #c5f36d);
}

.project-preview-card:nth-child(3):before {
  background: linear-gradient(90deg, #c5f36d, #7867e7);
}

.project-preview-card:nth-child(4):before {
  background: linear-gradient(90deg, #7867e7, #101a2b);
}

.project-preview-card:hover {
  transform: translateY(-4px);
  border-color: #cfc8f2;
  box-shadow: 0 24px 58px rgba(9, 17, 31, 0.1);
}

.project-preview-card > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin: 8px 0 34px;
}

.project-preview-card p {
  margin: 0;
  color: #6655dd;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-count {
  display: grid;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid #d9d4f5;
  border-radius: 50%;
  background: #f7f5ff;
  color: #5846c5;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 800;
}

.project-preview-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.project-preview-card span {
  margin-top: auto;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.project-preview-card a {
  margin-top: 22px;
  color: #5846c5;
  font-size: 13px;
  font-weight: 800;
}

.project-preview-card a:hover {
  text-decoration: underline;
}

.project-preview-feature {
  background: var(--ink);
  color: #fff;
}

.project-preview-feature h3,
.project-preview-feature a {
  color: #fff;
}

.project-preview-feature p {
  color: var(--blue);
}

.project-preview-feature span:not(.project-count) {
  color: #dce3ed;
}

.project-preview-feature .project-count {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--blue);
}

.projects-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 22px;
  padding: 22px 24px;
  border-radius: 16px;
  border: 1px solid #dedbd3;
  background: #fff;
  color: var(--ink);
}

.projects-more span {
  max-width: 620px;
  color: var(--muted);
  font-size: 14px;
}

.projects-page {
  padding-top: 70px;
}

.projects-page .case-study-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.projects-page .case-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.case-study-list {
  display: grid;
  gap: 24px;
}

.case-study {
  display: grid;
  gap: 26px;
  padding: 34px;
  border: 1px solid #dfddd6;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(9, 17, 31, 0.06);
}

.case-study-head {
  display: grid;
  grid-template-columns: 0.32fr 0.68fr;
  gap: 28px;
  align-items: start;
}

.case-study-head h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.case-study-head p:last-child {
  grid-column: 2;
  max-width: 760px;
  margin: -12px 0 0;
  color: var(--muted);
}

.case-type {
  margin: 7px 0 0;
  color: #6655dd;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: 22px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.case-grid strong,
.case-footer strong {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case-grid ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #364153;
  font-size: 15px;
}

.case-grid li + li {
  margin-top: 7px;
}

.system-diagram {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  padding: 16px;
  border: 1px solid #d9d4f5;
  border-radius: 16px;
  background: #f7f5ff;
}

.system-diagram span {
  position: relative;
  display: grid;
  min-height: 76px;
  place-items: center;
  padding: 12px;
  border: 1px solid #cfc8f2;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
}

.system-diagram span:not(:last-child):after {
  content: "→";
  position: absolute;
  right: -14px;
  top: 50%;
  z-index: 2;
  color: #6655dd;
  font-weight: 800;
  transform: translateY(-50%);
}

.case-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 18px;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.case-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.case-footer a,
.case-footer span {
  justify-self: end;
  color: #5846c5;
  font-size: 13px;
  font-weight: 800;
}

.case-footer span {
  color: var(--muted);
  text-align: right;
}

.case-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 950px) {
  .project-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects-more {
    align-items: flex-start;
    flex-direction: column;
  }

  .projects-more .button {
    width: 100%;
  }

  .case-study-head,
  .case-grid,
  .case-footer {
    grid-template-columns: 1fr;
  }

  .case-study-head p:last-child {
    grid-column: auto;
    margin-top: 0;
  }

  .case-footer a,
  .case-footer span {
    justify-self: start;
    text-align: left;
  }

  .system-diagram {
    grid-template-columns: 1fr;
  }

  .system-diagram span {
    min-height: 58px;
  }

  .system-diagram span:not(:last-child):after {
    content: "↓";
    right: 50%;
    top: auto;
    bottom: -18px;
    transform: translateX(50%);
  }
}

@media (max-width: 620px) {
  .project-preview-grid {
    grid-template-columns: 1fr;
  }

  .case-study {
    padding: 24px;
  }
}