.projects {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: calc(6vh + 32px) 48px 80px;
}

.projects__kicker {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.projects__list {
  display: flex;
  flex-direction: column;
  gap: 48px;
  width: 100%;
  max-width: 860px;
}

.projects__group {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.projects__group-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  color: color-mix(in srgb, var(--color-accent) 12%, var(--color-text));
}

.projects__group-subtitle {
  margin-top: 2px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.project-card {
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.project-card:hover {
  border-color: rgba(253, 233, 204, 0.3);
  background-color: rgba(255, 255, 255, 0.045);
}

.project-card__toggle {
  all: unset;
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 26px 30px;
  cursor: pointer;
}

.project-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.project-card__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-text);
}

.project-card__chevron {
  flex-shrink: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: transform 0.3s var(--ease-out), color 0.2s ease;
}

.project-card__meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.project-card__date {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tag--python {
  background-color: rgba(87, 155, 209, 0.18);
  color: #a9d4f2;
}

.tag--cpp {
  background-color: rgba(240, 90, 140, 0.18);
  color: #f7a8c4;
}

.tag--swift {
  background-color: rgba(250, 140, 90, 0.2);
  color: #ffbb99;
}

.tag--html {
  background-color: rgba(230, 126, 66, 0.18);
  color: #f5b98c;
}

.tag--css {
  background-color: rgba(86, 145, 214, 0.18);
  color: #a8c8ec;
}

.tag--js {
  background-color: rgba(222, 196, 80, 0.18);
  color: #eadb9a;
}

.tag--csharp {
  background-color: rgba(160, 80, 190, 0.2);
  color: #e0b3f0;
}

.tag--c {
  background-color: rgba(110, 130, 150, 0.22);
  color: #bccbdb;
}

.tag--typescript {
  background-color: rgba(49, 120, 198, 0.24);
  color: #9cc7f2;
}

.tag--kotlin {
  background-color: rgba(120, 100, 240, 0.2);
  color: #c2b8f7;
}

/* The expand/collapse animates via grid-template-rows (0fr -> 1fr)
   instead of max-height — it animates to the content's real height
   with no JS measuring and no snapping/jump at the end. */
.project-card__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
}

.project-card__panel-inner {
  overflow: hidden;
}

.project-card[data-expanded="true"] .project-card__panel {
  grid-template-rows: 1fr;
}

.project-card[data-expanded="true"] .project-card__chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.project-card__description {
  margin: 0 30px 28px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

.project-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 30px 28px;
}

.project-card__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background-color: rgba(253, 233, 204, 0.1);
  border: 1px solid rgba(253, 233, 204, 0.3);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.3s var(--ease-spring);
}

.project-card__button:hover {
  background-color: rgba(253, 233, 204, 0.18);
  box-shadow: 0 0 20px rgba(253, 233, 204, 0.25);
  transform: translateY(-2px);
}

.project-card__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.project-card__button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .project-card__panel,
  .project-card__chevron,
  .project-card__button {
    transition: none;
  }
}

@media (max-width: 640px) {
  .projects {
    padding: 72px 20px 60px;
  }

  .project-card__toggle {
    padding: 20px 22px;
  }

  .project-card__description {
    margin: 0 22px 22px;
  }

  .project-card__actions {
    margin: 20px 22px 22px;
  }

  .project-card__title {
    font-size: 1.15rem;
  }
}