/* ==========================================================
   PORTFOLIO PAGE — V5
   Folder-style project files are built entirely with HTML/CSS.
   The only raster content inside each file is its 1200×630
   project Open Graph card.
   ========================================================== */

body {
  --page-hero: url('../images/banners/portfolio-hero.v1.webp');
  --page-cta: url('../images/banners/portfolio-final-cta.v1.webp');
}

.portfolio-hero {
  --hero: url('../images/banners/portfolio-hero.v1.webp');
}

/* Selected-work introduction. */
.workbench-intro {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 50px;
  align-items: center;
}

.workbench-intro img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border: 1px solid rgba(12, 21, 28, 0.16);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.16);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.filter-row span {
  padding: 7px 13px;
  border: 1px solid var(--paper-line);
  font-size: 0.7rem;
}

/* ==========================================================
   PROJECT FILE GRID
   ========================================================== */

.portfolio-projects {
  overflow: hidden;
}

.project-files-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

.project-files-heading .section-title {
  max-width: 16ch;
  margin-bottom: 0;
}

.project-files-heading > p {
  max-width: 35rem;
  margin: 0;
  color: var(--muted);
}

.project-file-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.4rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3.25rem);
}

/* Each article is a complete case file with two offset sheets. */
.project-file {
  --project-accent: #b47d27;
  position: relative;
  min-width: 0;
  padding-top: 2.7rem;
  isolation: isolate;
  transition: transform 220ms ease;
}

.project-file::before,
.project-file::after {
  position: absolute;
  z-index: -2;
  border: 1px solid rgba(235, 229, 216, 0.15);
  content: '';
  pointer-events: none;
}

.project-file::before {
  inset: 2.1rem -0.65rem -0.65rem 0.65rem;
  background: #292a2c;
  box-shadow: 0 24px 46px rgba(0, 0, 0, 0.28);
}

.project-file::after {
  inset: 1.45rem -0.25rem -0.25rem 0.25rem;
  z-index: -1;
  background: #d6cfc2;
}

.project-file--curbside {
  --project-accent: #c99436;
}

.project-file--david {
  --project-accent: #8754d8;
}

.project-file--longonot {
  --project-accent: #739568;
}

.project-file--feds {
  --project-accent: #b55745;
}

/*
 * The Feds N’ Shences category is intentionally longer than the other
 * folder labels. Give its tab a wider, gentler taper so the complete
 * “Outdoor construction” label remains visible at every breakpoint.
 */
.project-file--feds .project-file__tab {
  min-width: min(18rem, calc(100% - 2.2rem));
  padding-right: 1.5rem;
  clip-path: polygon(0 0, 91% 0, 100% 100%, 0 100%);
}

.project-file--feds .project-file__category {
  font-size: 0.59rem;
  letter-spacing: 0.075em;
  text-overflow: clip;
}

/* Raised folder tab. */
.project-file__tab {
  position: absolute;
  top: 0;
  left: 1.1rem;
  z-index: 3;
  display: flex;
  min-width: min(15rem, calc(100% - 2.2rem));
  align-items: center;
  gap: 0.85rem;
  padding: 0.78rem 1.2rem 0.72rem;
  clip-path: polygon(0 0, 82% 0, 91% 100%, 0 100%);
  border-top: 3px solid var(--project-accent);
  background: #17191c;
  color: #f7f3ea;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.project-file__number {
  color: var(--project-accent);
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1;
}

.project-file__category {
  overflow: hidden;
  font-size: 0.64rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Main cream paper sheet. */
.project-file__sheet {
  position: relative;
  z-index: 2;
  display: flex;
  min-width: 0;
  height: 100%;
  flex-direction: column;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid #c8c2b7;
  background:
    linear-gradient(90deg, var(--project-accent), var(--project-accent)) top left / 100% 3px no-repeat,
    #f4efe5;
  color: var(--paper-text);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.18);
}

.project-file__sheet::after {
  position: absolute;
  inset: 0.55rem;
  border: 1px solid rgba(36, 39, 42, 0.07);
  content: '';
  pointer-events: none;
}

.project-file__header,
.project-file__visual,
.project-file__details,
.project-file__footer {
  position: relative;
  z-index: 1;
}

.project-file__header {
  display: flex;
  min-width: 0;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.15rem;
}

.project-file__eyebrow {
  margin-bottom: 0.38rem;
  color: var(--project-accent);
}

.project-file__header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1;
}

.project-file__domain {
  flex: 0 1 auto;
  overflow-wrap: anywhere;
  color: var(--paper-muted);
  font-size: 0.7rem;
  text-align: right;
  text-underline-offset: 0.22em;
}

.project-file__domain:hover {
  color: var(--paper-text);
}

/* The approved OG card is shown at its native social ratio. */
.project-file__visual {
  display: block;
  aspect-ratio: 1200 / 630;
  overflow: hidden;
  border: 1px solid rgba(18, 20, 24, 0.17);
  background: #101216;
  box-shadow: 0 14px 28px rgba(18, 20, 24, 0.16);
}

.project-file__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 350ms ease;
}

.project-file__details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 1.35rem;
  border-top: 1px solid rgba(35, 39, 42, 0.14);
  border-left: 1px solid rgba(35, 39, 42, 0.14);
}

.project-file__detail {
  min-width: 0;
  padding: 1rem;
  border-right: 1px solid rgba(35, 39, 42, 0.14);
  border-bottom: 1px solid rgba(35, 39, 42, 0.14);
}

.project-file__detail--wide {
  grid-column: 1 / -1;
}

.project-file__detail h3 {
  margin: 0 0 0.45rem;
  color: var(--paper-text);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-file__detail p {
  margin: 0;
  color: var(--paper-muted);
  font-size: 0.78rem;
}

.project-file__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-file__tags li {
  padding: 0.38rem 0.58rem;
  border: 1px solid rgba(35, 39, 42, 0.17);
  background: rgba(255, 255, 255, 0.32);
  color: var(--paper-muted);
  font-size: 0.66rem;
}

.project-file__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: auto;
  padding-top: 1.25rem;
}

.project-file__focus {
  display: grid;
  max-width: 27rem;
  gap: 0.25rem;
  margin: 0;
}

.project-file__focus strong {
  color: var(--project-accent);
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-file__focus span {
  color: var(--paper-muted);
  font-size: 0.75rem;
}

.project-file__link {
  flex: 0 0 auto;
  color: var(--paper-text);
  white-space: nowrap;
}

.project-file__domain:focus-visible,
.project-file__visual:focus-visible,
.project-file__link:focus-visible {
  outline: 3px solid var(--project-accent);
  outline-offset: 4px;
  box-shadow: 0 0 0 3px #f4efe5, 0 0 0 6px var(--project-accent);
}

@media (hover: hover) and (pointer: fine) {
  .project-file:hover {
    transform: translateY(-6px);
  }

  .project-file__visual:hover img {
    transform: scale(1.018);
  }
}

@media (max-width: 1050px) {
  .project-file-grid {
    grid-template-columns: 1fr;
  }

  .project-file__sheet {
    max-width: 54rem;
  }
}

@media (max-width: 850px) {
  .workbench-intro,
  .project-files-heading {
    grid-template-columns: 1fr;
  }

  .project-files-heading {
    gap: 1.25rem;
  }
}

@media (max-width: 620px) {
  .project-file-grid {
    gap: 3rem;
  }

  .project-file {
    padding-top: 2.45rem;
  }

  .project-file::before {
    inset: 1.95rem -0.28rem -0.38rem 0.28rem;
  }

  .project-file::after {
    inset: 1.55rem -0.12rem -0.18rem 0.12rem;
  }

  .project-file__tab {
    left: 0.75rem;
    min-width: min(13.5rem, calc(100% - 1.5rem));
    padding-inline: 0.95rem;
  }

  .project-file--feds .project-file__tab {
    min-width: min(17.75rem, calc(100% - 1.5rem));
    padding-right: 1.25rem;
  }

  .project-file--feds .project-file__category {
    font-size: 0.56rem;
    letter-spacing: 0.06em;
  }

  .project-file__sheet {
    padding: 1rem;
  }

  .project-file__header,
  .project-file__footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .project-file__domain {
    text-align: left;
  }

  .project-file__details {
    grid-template-columns: 1fr;
  }

  .project-file__detail--wide {
    grid-column: auto;
  }

  .project-file__link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-file,
  .project-file__visual img {
    transition: none;
  }
}

/* Explicit keyboard focus fallback for browsers with differing :focus-visible heuristics. */
.project-file__domain:focus,
.project-file__visual:focus,
.project-file__link:focus {
  outline-width: 3px !important;
  outline-style: solid !important;
  outline-color: var(--project-accent) !important;
  outline-offset: 4px !important;
}

/* Inset focus frame stays visible even when an image link clips its outer outline. */
.project-file__visual::after {
  position: absolute;
  inset: 0;
  border: 0 solid transparent;
  content: '';
  pointer-events: none;
}

.project-file__visual:focus::after,
.project-file__visual:focus-visible::after {
  border-width: 4px;
  border-color: var(--project-accent);
  box-shadow: inset 0 0 0 2px #f4efe5;
}

.project-file__domain:focus,
.project-file__domain:focus-visible,
.project-file__link:focus,
.project-file__link:focus-visible {
  background: color-mix(in srgb, var(--project-accent) 16%, transparent);
  text-decoration-thickness: 2px;
}

/* --------------------------------------------------------------------------
   Mobile folder integrity
   Keep every raised tab and offset sheet inside the narrow viewport while
   preserving each complete category label.
   -------------------------------------------------------------------------- */
@media (max-width: 620px) {
  .project-file {
    width: 100%;
    min-width: 0;
    padding-top: 2.7rem;
  }

  .project-file::before {
    inset: 2.05rem 0 -0.28rem 0.22rem;
  }

  .project-file::after {
    inset: 1.68rem 0 -0.12rem 0.1rem;
  }

  .project-file__tab,
  .project-file--feds .project-file__tab {
    right: 0.58rem;
    left: 0.58rem;
    width: auto;
    min-width: 0;
    max-width: none;
    gap: 0.68rem;
    padding: 0.76rem 2rem 0.7rem 0.9rem;
    clip-path: polygon(0 0, 94% 0, 100% 100%, 0 100%);
  }

  .project-file__number {
    flex: 0 0 auto;
    font-size: 1.45rem;
  }

  .project-file__category,
  .project-file--feds .project-file__category {
    min-width: 0;
    overflow: visible;
    font-size: clamp(0.52rem, 2.45vw, 0.6rem);
    letter-spacing: 0.055em;
    text-overflow: clip;
    white-space: nowrap;
  }
}

@media (max-width: 350px) {
  .project-file__tab,
  .project-file--feds .project-file__tab {
    right: 0.42rem;
    left: 0.42rem;
    gap: 0.5rem;
    padding-right: 1.55rem;
    padding-left: 0.72rem;
  }

  .project-file__number {
    font-size: 1.3rem;
  }

  .project-file__category,
  .project-file--feds .project-file__category {
    font-size: 0.5rem;
    letter-spacing: 0.035em;
  }
}