/* ============================================================
   Zaycev Studio — Portfolio Page
   Extends homepage.css tokens and components.
   Load after homepage.css and motion.css.
   ============================================================ */

/* ============================================================
   PORTFOLIO INTRO
   ============================================================ */
.pf-intro {
  padding: 48px 0 56px;
}

.pf-intro-inner {
  display: grid;
  grid-template-columns: 1fr 0.65fr;
  gap: 4%;
  align-items: end;
}

.pf-h1 {
  font-size: clamp(56px, 7.2vw, 112px);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.87;
  margin: 28px 0 20px;
  color: var(--ink);
}

.pf-intro-lead {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 8px;
}

.pf-intro-sub {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--muted);
  max-width: 480px;
}

.pf-intro-illus {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  padding-bottom: 4px;
}

.pf-intro-illus img {
  width: 100%;
  max-width: none;
  display: block;
}

/* ============================================================
   SELECTED CASES
   ============================================================ */
.pf-selected {
  padding: 72px 0 96px;
  border-top: 1px solid var(--line);
}

.pf-work-label {
  margin-bottom: 56px;
}

/* ============================================================
   TRUST BLOCK
   ============================================================ */
.pf-trust {
  padding: 16px 0 96px;
  border-top: 1px solid var(--line);
}

.pf-trust-label {
  margin-bottom: 64px;
}

/* ============================================================
   MORE WORK
   ============================================================ */
.pf-more {
  padding: 16px 0 96px;
  border-top: 1px solid var(--line);
}

.pf-more-label {
  margin-bottom: 40px;
}

/* Filter bar */
.pf-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.pf-filter {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font);
  color: var(--muted);
  cursor: pointer;
  background: transparent;
  transition:
    background var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    color var(--motion-fast) var(--ease-out);
}

.pf-filter:hover {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--panel);
}

.pf-filter.active,
.pf-filter[aria-selected="true"] {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

/* More work grid */
.pf-more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 24px;
}

.pf-more-item {
  display: block;
  position: relative;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.pf-more-item[hidden] {
  display: none;
}

/* Focus ring */
.pf-more-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 3px;
}

/* Media */
.pf-more-media {
  height: 340px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--panel);
  margin-bottom: 14px;
}

.pf-more-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.pf-more-item:hover .pf-more-media img,
.pf-more-item:focus-visible .pf-more-media img {
  transform: scale(1.028);
}

/* Metadata row */
.pf-more-meta {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 6px;
}

.pf-more-year {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.pf-more-sep {
  margin: 0 8px;
  color: var(--line);
  font-size: 11px;
  font-weight: 700;
}

.pf-more-type {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.pf-more-name {
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.0;
  color: var(--ink);
  margin-bottom: 8px;
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pf-more-item:hover .pf-more-name,
.pf-more-item:focus-visible .pf-more-name {
  transform: translateX(4px);
}

.pf-more-caps {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--muted);
  margin-bottom: 12px;
}

.pf-more-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.pf-more-status {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.pf-more-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 2px;
  border-bottom: 1.5px solid var(--ink);
  transition: gap 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pf-more-cta svg {
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
  flex-shrink: 0;
}

.pf-more-item:hover .pf-more-cta,
.pf-more-item:focus-visible .pf-more-cta {
  gap: 10px;
}

.pf-more-item:hover .pf-more-cta svg,
.pf-more-item:focus-visible .pf-more-cta svg {
  transform: translate(4px, -4px);
}

/* ============================================================
   ARCHIVE
   ============================================================ */
.pf-archive {
  padding: 16px 0 96px;
  border-top: 1px solid var(--line);
}

.pf-archive-label {
  margin-bottom: 40px;
}

.pf-archive-table {
  border-top: 2px solid var(--ink);
}

/* Column header */
.pf-archive-head {
  display: grid;
  grid-template-columns: 56px 1fr 160px 160px 100px 90px;
  gap: 20px;
  padding: 10px 0 10px;
  border-bottom: 1px solid var(--line);
}

.pf-archive-head span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.55;
}

/* Archive row */
.pf-archive-row {
  display: grid;
  grid-template-columns: 56px 1fr 160px 160px 100px 90px;
  gap: 20px;
  padding: 16px 6px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  text-decoration: none;
  color: inherit;
  border-radius: 2px;
  transition:
    background 160ms,
    padding-inline 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pf-archive-row:hover {
  background: var(--panel);
  padding-left: 14px;
  padding-right: 14px;
}

div.pf-archive-row { cursor: default; }

a.pf-archive-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.pf-archive-year {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.pf-archive-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.pf-archive-type {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.pf-archive-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.pf-archive-status {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

a.pf-archive-row .pf-archive-name {
  color: var(--ink);
}

a.pf-archive-row .pf-archive-status {
  color: var(--ink);
}

/* Hover thumbnail */
.pf-archive-thumb-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.pf-archive-thumb {
  width: 80px;
  height: 52px;
  object-fit: cover;
  border-radius: 2px;
  display: block;
  opacity: 0;
  transition: opacity 200ms;
}

@media (min-width: 769px) {
  .pf-archive-row:hover .pf-archive-thumb {
    opacity: 0.85;
  }
}

/* ============================================================
   RELATED CAPABILITIES
   ============================================================ */
.pf-capabilities {
  padding: 16px 0 96px;
  border-top: 1px solid var(--line);
}

.pf-cap-label {
  margin-bottom: 56px;
}

.pf-cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--ink);
}

.pf-cap-col {
  padding: 24px 24px 32px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.pf-cap-col + .pf-cap-col {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.pf-cap-idx {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.pf-cap-name {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.95;
  color: var(--ink);
  margin-bottom: 14px;
}

.pf-cap-desc {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--muted);
  flex: 1;
  max-width: 360px;
  margin-bottom: 24px;
}

.pf-cap-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 3px;
  border-bottom: 1.5px solid var(--ink);
  align-self: flex-start;
  transition: gap 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pf-cap-cta:hover { gap: 12px; }

.pf-cap-cta svg {
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pf-cap-cta:hover svg {
  transform: translate(5px, -5px);
}

/* ============================================================
   CTA — secondary link for dark section
   ============================================================ */
.pf-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  padding-bottom: 4px;
  border-bottom: 1.5px solid rgba(255, 255, 255, 0.2);
  transition:
    gap 180ms cubic-bezier(0.22, 1, 0.36, 1),
    color 180ms,
    border-color 180ms;
}

.pf-cta-secondary:hover {
  gap: 14px;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.65);
}

.pf-cta-secondary svg {
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pf-cta-secondary:hover svg {
  transform: translate(4px, -4px);
}

/* ============================================================
   MOBILE  ≤ 768px
   ============================================================ */
@media (max-width: 768px) {

  /* Intro */
  .pf-intro { padding: 40px 0 48px; }
  .pf-intro-inner {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .pf-intro-text { order: 1; }
  .pf-intro-illus {
    order: 2;
    justify-content: flex-start;
    margin-top: 36px;
  }
  .pf-intro-illus img { max-width: 270px; }
  .pf-h1 { font-size: clamp(44px, 13vw, 68px); }

  /* Selected */
  .pf-selected { padding: 56px 0 72px; }

  /* Trust */
  /* .hp-trust already goes to 1-col in homepage.css mobile */

  /* More work */
  .pf-more-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 12px;
  }
  .pf-more-media {
    height: 40vw;
    min-height: 140px;
  }
  .pf-more-name { font-size: 18px; }
  .pf-more-caps { display: none; }

  /* Archive — collapse to 3 cols */
  .pf-archive-head {
    grid-template-columns: 44px 1fr 80px;
  }
  .pf-archive-head span:nth-child(3),
  .pf-archive-head span:nth-child(4),
  .pf-archive-head span:nth-child(6) {
    display: none;
  }
  .pf-archive-row {
    grid-template-columns: 44px 1fr 80px;
    gap: 10px;
    padding: 14px 4px;
  }
  .pf-archive-type,
  .pf-archive-role,
  .pf-archive-thumb-cell {
    display: none;
  }
  .pf-archive-status {
    text-align: right;
    font-size: 10px;
  }
  .pf-archive-name { font-size: 14px; }

  /* Capabilities */
  .pf-cap-grid {
    grid-template-columns: 1fr;
  }
  .pf-cap-col {
    padding: 20px 0 28px;
  }
  .pf-cap-col + .pf-cap-col {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 460px) {
  .pf-more-grid { grid-template-columns: 1fr; }
  .pf-more-media { height: 60vw; }
  .pf-more-caps { display: block; }
}

/* ============================================================
   ARCHIVE — CURSOR-FOLLOW PREVIEW
   ============================================================ */

/* On hover devices the inline thumbnail is redundant — floating preview takes over */
@media (hover: hover) and (pointer: fine) {
  .pf-archive-thumb { opacity: 0 !important; pointer-events: none; }
}

/* Outer shell — JS sets transform: translate3d(x, y, 0), no CSS transition on transform */
#pf-archive-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 195px;
  pointer-events: none;
  z-index: 400;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  will-change: transform;
  display: none; /* hidden on touch by default */
}

/* Inner shell — CSS transitions for appear/disappear */
#pf-archive-preview-inner {
  position: relative;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(0.94);
  transition:
    opacity  280ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

#pf-archive-preview-inner.active {
  opacity: 1;
  transform: scale(1);
}

/* Two stacked images for crossfade */
.pf-preview-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Only show on true hover+pointer devices */
@media (hover: hover) and (pointer: fine) {
  #pf-archive-preview { display: block; }
}

/* Reduced motion: no scale, faster opacity */
@media (prefers-reduced-motion: reduce) {
  #pf-archive-preview-inner {
    transform: none !important;
    transition: opacity 80ms;
  }
  .pf-preview-img { transition: none; }
}

/* Archive row hover refinements for hover devices */
@media (hover: hover) and (pointer: fine) {
  .pf-archive-row:hover .pf-archive-name {
    transform: translateX(5px);
  }
  .pf-archive-name {
    transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
    display: inline-block;
  }
  .pf-archive-row:hover .pf-archive-year,
  .pf-archive-row:hover .pf-archive-type,
  .pf-archive-row:hover .pf-archive-role {
    color: var(--ink);
    transition: color 280ms;
  }
}