/****************************************
*            PORTFOLIO                  *
*****************************************/
#portfolio {
  position: relative;
  background-color: var(--background-section-portfolio);
  height: 100%;
  width: 100%;
  padding: 64px var(--layout-gutter);
  color: var(--color-portfolio-text);
}

.container-portfolio {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  justify-content: stretch;
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

.title-portfolio h2 {
  position: relative;
  text-align: center;
  font-size: 1.8rem;
  text-transform: capitalize;
  font-weight: 700;
  line-height: 43px;
}

.title-portfolio h2::after {
  content: " ";
  position: relative;
  display: block;
  background-color: #f05f40;
  height: 4px;
  width: 40px;
  margin: 0 auto;
  bottom: -10px;
}

.project-box {
  position: relative;
  width: 100%;
  height: auto;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--timeline-border-soft);
  background: var(--section-container-card);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.25s ease;
}

.project-img {
  width: 100%;
  height: 260px;
  background: linear-gradient(180deg, rgb(0 0 0 / 0.06), rgb(0 0 0 / 0.12));
}

.title-portfolio > p {
  font-size: 0.8rem;
  text-align: center;
  padding: 26px 0;
}

.project-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(92%) contrast(102%) saturate(104%);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.project-box.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-box .overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgb(0 0 0 / 0.15) 0%, rgb(0 0 0 / 0.48) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-box .overlay h3 {
  color: #fff;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
  text-align: center;
  max-width: 24ch;
}

.project-box:hover .project-img img {
  filter: brightness(40%) contrast(104%) saturate(108%);
  transform: scale(1.15);
}

.project-box:hover .overlay {
  opacity: 1;
}

.project-box:hover {
  transform: translateY(-2px);
  border-color: var(--timeline-border-soft-hover);
}

/* ACCESSIBILITÉ : focus-visible équivalent hover sur project-box */
.project-box:focus-visible {
  outline: 2px solid var(--color-secondary, #f05f40);
  outline-offset: 2px;
}
.project-box:focus-visible .project-img img {
  filter: brightness(40%) contrast(104%) saturate(108%);
  transform: scale(1.15);
}
.project-box:focus-visible .overlay {
  opacity: 1;
}

/* center link and icon */
.project-box .overlay h3 a {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  max-width: 100%;
  padding: 0 0.5rem;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.project-box .overlay h3 a i {
  display: block;
  margin-top: 0.5rem;
}

#loadMore {
  text-decoration: none;
  color: #fff;
  text-transform: capitalize;
  border: 1px solid #f05f40;
  border-radius: 10px;
  padding: 11px 16px;
  margin-top: 25px;
  margin-right: 10px;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background-color 0.25s ease;
  background-color: #f05f40;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

#loadMore:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgb(240 95 64 / 0.28);
}

#loadMore:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 3px rgb(240 95 64 / 0.22), 0 10px 22px rgb(240 95 64 / 0.28);
  outline: none;
}

.btn-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
  width: 100%;
}

/* États UI portfolio */
.portfolio-state {
  width: 100%;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 1rem;
  border-radius: 10px;
}

.portfolio-loading {
  color: var(--color-secondary);
}

.portfolio-empty {
  color: var(--color-portfolio-text);
  opacity: 0.8;
}

.portfolio-error {
  color: #d32f2f;
  font-weight: 600;
}

.portfolio-retry-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding: 10px 16px;
  border: 2px solid var(--color-secondary);
  border-radius: 6px;
  background: transparent;
  color: var(--color-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.portfolio-retry-btn:hover,
.portfolio-retry-btn:focus-visible {
  background-color: var(--color-secondary);
  color: var(--color-banner-left-btn-hover);
  outline: none;
}