/* Mūsu darbi (portfolio.html) and single project (portfolio-item.html).
   Card styles come from hm2.css; this file lays the cards out as a grid. */

/* ---- Listing hero ---- */
.pf-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}
.pf-hero .hm-proof { margin-top: 0; }

/* ---- Filter + grid ---- */
.pf-list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px 32px;
  flex-wrap: wrap;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.pf-list-head h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.pf-shown { font-size: var(--fz-14); color: var(--muted); }
.pf-shown b { color: var(--text); font-weight: 650; }

.pf-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.pf-filter button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: var(--fz-13-5);
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.pf-filter button small { font-size: 10.5px; font-weight: 650; letter-spacing: 0.06em; color: var(--faint); }
.pf-filter button:hover { border-color: var(--text); }
.pf-filter button[aria-pressed="true"] { border-color: var(--text); background: var(--text); color: var(--bg); }
.pf-filter button[aria-pressed="true"] small { color: inherit; opacity: 0.7; }

.pf-grid {
  --pf-pad: clamp(18px, 1.8vw, 26px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.3vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.pf-grid .pf-item[hidden] { display: none; }
@media (max-width: 1024px) {
  .pf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .pf-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---- Single project ---- */
.pi-hero-grid { align-items: start; }
.pi-hero h1 { max-width: 18ch; }
.pi-facts dd a { text-decoration: underline; text-underline-offset: 3px; }

/* Device frames. Screens are real captures at 1440, 768 and 390 px. */
.pi-browser {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 40px 80px -44px rgba(15, 15, 14, 0.45);
}
.pi-bar b { max-width: min(60%, 420px); }
.pi-screen { position: relative; overflow: hidden; background: #fff; }
.pi-screen img { display: block; width: 100%; height: auto; }
.pi-tablet,
.pi-phone {
  position: relative;
  padding: var(--pi-bezel, 10px);
  background: #111418;
  box-shadow: 0 40px 70px -36px rgba(15, 15, 14, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.pi-tablet { --pi-bezel: clamp(8px, 1.1vw, 14px); border-radius: clamp(16px, 2vw, 26px); }
.pi-tablet .pi-screen { aspect-ratio: 3 / 4; border-radius: clamp(6px, 0.8vw, 10px); }
.pi-phone { --pi-bezel: clamp(5px, 0.7vw, 9px); border-radius: clamp(22px, 3vw, 38px); }
.pi-phone .pi-screen { aspect-ratio: 390 / 844; border-radius: clamp(17px, 2.4vw, 30px); }
.pi-phone::before {
  content: "";
  position: absolute;
  top: calc(var(--pi-bezel) + 2.2%);
  left: 50%;
  z-index: 2;
  width: 30%;
  height: 3.2%;
  transform: translateX(-50%);
  border-radius: 99px;
  background: #111418;
}

/* ---- Opening composition: computer, tablet and phone overlap on one band ---- */
.pi-stage {
  overflow: clip;
  padding: clamp(36px, 5vw, 72px) 0 clamp(28px, 3vw, 40px);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(var(--line), var(--line)) center 62% / 100% 1px no-repeat,
    var(--bg-alt);
}
.pi-set {
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  align-items: end;
  margin: 0;
  padding-bottom: clamp(40px, 6vw, 96px);
}
.pi-set > * { grid-row: 1; }
.pi-set-desktop { grid-column: 1 / span 20; align-self: start; }
.pi-set-only { grid-column: 1 / -1; }
.pi-set-tablet { grid-column: 18 / span 7; z-index: 1; margin-bottom: calc(-1 * clamp(28px, 4vw, 64px)); }
.pi-set-phone { grid-column: 15 / span 3; z-index: 2; margin-bottom: calc(-1 * clamp(40px, 6vw, 96px)); margin-left: -12%; margin-right: 12%; }
.pi-set .pi-screen > img { aspect-ratio: auto; }
.pi-set .pi-tablet .pi-screen img,
.pi-set .pi-phone .pi-screen img { height: 100%; object-fit: cover; object-position: top center; }

.pi-stage-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 32px;
}
.pi-sizes { display: flex; flex-wrap: wrap; gap: 6px 28px; margin: 0; padding: 0; list-style: none; }
.pi-sizes li { font-size: 11.5px; font-weight: 650; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.pi-sizes b { margin-left: 6px; font-weight: 650; color: var(--text); font-variant-numeric: tabular-nums; }
.pi-sizes b::after { content: " px"; color: var(--faint); }

/* ---- Brief: the task large, the scope as a numbered list ---- */
.pi-brief-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(36px, 6vw, 112px);
  align-items: start;
}
.pi-task > p:not(.hm-k) {
  margin: 0 0 18px;
  max-width: 34ch;
  font-size: clamp(22px, 2.35vw, 32px);
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: -0.022em;
  text-wrap: pretty;
  color: var(--text);
}
.pi-task > p:not(.hm-k) + p:not(.hm-k) { font-size: var(--fz-17); font-weight: 400; line-height: 1.6; letter-spacing: 0; color: var(--muted); }
.pi-scope-col { display: grid; gap: clamp(32px, 4vw, 48px); padding-top: 4px; }
.pi-scope ul,
.pi-scope ol { margin: 0; padding: 0; list-style: none; counter-reset: pi-scope; border-top: 1px solid var(--text); }
.pi-scope li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--fz-16);
  font-weight: 500;
  line-height: 1.45;
  counter-increment: pi-scope;
}
.pi-scope li::before {
  content: counter(pi-scope, decimal-leading-zero);
  padding-top: 3px;
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.1em;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.pi-body { max-width: 76ch; margin-top: clamp(32px, 4vw, 48px); }
.pi-body h2 {
  margin: clamp(32px, 4vw, 44px) 0 14px;
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.pi-body h3 { margin: 0 0 10px; font-size: var(--fz-18); font-weight: 650; letter-spacing: -0.01em; }
.pi-body p { margin: 0 0 16px; font-size: var(--fz-17); line-height: 1.6; color: var(--muted); }

.pi-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pi-tags li {
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: var(--fz-13-5);
  font-weight: 600;
}

/* ---- Whole homepage: the frame stays put and the page scrolls inside it ---- */
.pi-home .hm-head { margin-bottom: clamp(24px, 3vw, 40px); }
.pi-run-frame .pi-screen {
  height: min(78vh, 860px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.pi-run-frame .pi-screen:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.pi-progress {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(var(--pi-p, 0));
  transform-origin: 0 50%;
}
.pi-run.is-linked .pi-run-frame {
  position: sticky;
  top: clamp(76px, 11vh, 112px);
}
.pi-run.is-linked .pi-screen { overflow: hidden; }
.pi-run.is-linked .pi-screen img { will-change: transform; }

/* ---- Dark band: tablet and phones roll through their pages ---- */
.pi-band {
  --accent: var(--deep-accent);
  border-top: 0;
  background: var(--deep);
  color: var(--deep-text);
  overflow: clip;
}
.pi-band .hm-k { color: var(--deep-muted); }
.pi-band .hm-head-aside p { color: var(--deep-muted); }
.pi-band-row {
  display: grid;
  grid-template-columns: minmax(0, 12fr) minmax(0, 5fr) minmax(0, 5fr);
  gap: clamp(20px, 3.4vw, 56px);
  align-items: start;
}
.pi-band-item { margin: 0; }
.pi-band-item.is-phone:last-child { margin-top: clamp(40px, 7vw, 120px); }
.pi-band-item .pi-tablet,
.pi-band-item .pi-phone { box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.7), inset 0 0 0 1px rgba(255, 255, 255, 0.12); }
.pi-band-item figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 12px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--deep-line);
  font-size: var(--fz-13-5);
}
.pi-band-item figcaption b { font-weight: 600; }
.pi-band-item figcaption span { color: var(--deep-muted); font-variant-numeric: tabular-nums; }

/* Rolling displays. Without the script (or with reduced motion) they scroll by hand. */
[data-pi-roll] { overflow-y: auto; overscroll-behavior: contain; scrollbar-width: none; }
[data-pi-roll]::-webkit-scrollbar { display: none; }
[data-pi-roll]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[data-pi-roll].is-rolling { overflow: hidden; }
[data-pi-roll].is-rolling img {
  animation: pi-roll var(--pi-dur, 40s) cubic-bezier(0.45, 0, 0.55, 1) infinite alternate;
  animation-play-state: paused;
}
[data-pi-roll].is-rolling.is-on img { animation-play-state: running; }
[data-pi-roll].is-rolling:hover img,
[data-pi-roll].is-rolling:focus img { animation-play-state: paused; }
@keyframes pi-roll {
  0%, 3% { transform: none; }
  97%, 100% { transform: translateY(var(--pi-shift, 0)); }
}

/* ---- Inner page: computer with the phone in front ---- */
.pi-inner-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}
.pi-inner-copy h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 3.6vw, 48px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.04;
}
.pi-inner-path {
  margin: 0 0 22px;
  font-size: var(--fz-13-5);
  line-height: 1.5;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.pi-inner-view {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  padding-bottom: clamp(24px, 3vw, 48px);
}
.pi-inner-view > * { grid-row: 1; }
.pi-inner-desktop { grid-column: 3 / -1; align-self: start; }
.pi-inner-desktop .pi-screen { height: clamp(360px, 46vw, 640px); }
.pi-inner-phone { grid-column: 1 / span 3; z-index: 1; margin-bottom: calc(-1 * clamp(24px, 3vw, 48px)); }

@media (prefers-reduced-motion: reduce) {
  [data-pi-roll].is-rolling { overflow-y: auto; }
  [data-pi-roll].is-rolling img { animation: none; }
}

@media (max-width: 1024px) {
  .pi-brief-grid { grid-template-columns: minmax(0, 1fr); }
  .pi-band-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pi-band-item.is-tablet { grid-column: 1 / -1; width: min(100%, 560px); }
  .pi-band-item.is-phone:last-child { margin-top: clamp(40px, 7vw, 120px); }
  .pi-inner-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .pi-hero-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 700px) {
  .pi-set { grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: start; padding-bottom: 28px; }
  .pi-set-desktop { grid-column: 1 / -1; }
  .pi-set-tablet { grid-row: 2; grid-column: 2 / span 6; margin: -14% 0 0; }
  .pi-set-phone { grid-row: 2; grid-column: 8 / span 4; margin: -32% 0 0; }
  .pi-stage { background: var(--bg-alt); }
  .pi-run-frame .pi-screen { height: min(70svh, 640px); }
  .pi-band-row { gap: 16px; }
  .pi-band-item.is-phone:last-child { margin-top: 48px; }
  .pi-inner-desktop { grid-column: 1 / -1; }
  .pi-inner-desktop .pi-screen { height: 300px; }
  .pi-inner-phone { grid-column: 8 / span 5; margin-bottom: -24px; }
  .pi-inner-view { padding-bottom: 0; }
}