/* ════════════════════════════════════════════════════════════
   vitoweb.al — project.css
   Shared styles for project & system detail pages.
   Always loaded after css/style.css
   ════════════════════════════════════════════════════════════ */

/* ── Project hero ─────────────────────────────────────────── */
.proj-hero {
  padding-top: calc(var(--nav-h) + clamp(4rem, 9vw, 7rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

.proj-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 3rem;
  transition: color 0.35s var(--ease), gap 0.35s var(--ease);
}

.proj-hero__back:hover {
  color: var(--text-muted);
  gap: 0.8rem;
}

.proj-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.proj-hero__title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 2rem;
}

.proj-hero__desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 400;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.80);
  max-width: 600px;
  /* Editorial left-rule — signals "supporting context" without
     the typical dev trick of just going grey and small */
  padding-left: 1.25rem;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

/* ── Body wrapper ─────────────────────────────────────────── */
.proj-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--pad-x) clamp(5rem, 10vw, 8rem);
}

/* ── Media blocks ─────────────────────────────────────────── */
/*
   To replace a placeholder, remove the .proj-media__placeholder
   div and put an <img> or <video> directly inside .proj-media:
     <img src="reference/filename.jpg" alt="..." loading="lazy">
     <video src="reference/filename.mp4" autoplay muted loop playsinline></video>
*/

.proj-media {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: clamp(2rem, 4.5vw, 3.5rem);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
}

.proj-media--cinematic { aspect-ratio: 21 / 9; }
.proj-media--standard  { aspect-ratio: 16 / 9; }
.proj-media--portrait  { aspect-ratio: 4 / 5; max-width: 520px; }
.proj-media--square    { aspect-ratio: 1 / 1; max-width: 520px; }

.proj-media img,
.proj-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.proj-media__placeholder {
  width: 100%;
  height: 100%;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  background: linear-gradient(145deg, #0c0c0c 0%, #161616 100%);
}

.proj-media__placeholder-icon { color: rgba(255,255,255,0.15); }

.proj-media__placeholder-label {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.18);
}

/* Two-column pair */
.proj-media-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 4.5vw, 3.5rem);
}

@media (min-width: 640px) {
  .proj-media-pair { grid-template-columns: 1fr 1fr; }
}

.proj-media-pair .proj-media { margin-bottom: 0; }

/* Three-column triple */
.proj-media-triple {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 4.5vw, 3.5rem);
}

@media (min-width: 640px)  { .proj-media-triple { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .proj-media-triple { grid-template-columns: repeat(3, 1fr); } }

.proj-media-triple .proj-media { margin-bottom: 0; }

/* ── Context text ─────────────────────────────────────────── */
.proj-context {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 768px) {
  .proj-context { grid-template-columns: 180px 1fr; }
}

.proj-context__label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding-top: 0.15rem;
}

.proj-context__body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-muted);
}

.proj-context__body p + p { margin-top: 1.1em; }

/* ── Stat row ─────────────────────────────────────────────── */
.proj-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding: clamp(2rem, 4vw, 2.75rem);
  border-radius: var(--radius-md);
}

.proj-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.proj-stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--text);
}

.proj-stat__lbl {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* ── Divider ──────────────────────────────────────────────── */
.proj-divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: clamp(3rem, 6vw, 5rem) 0;
}

/* ── Feature highlight strip ──────────────────────────────── */
.proj-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 640px)  { .proj-features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .proj-features { grid-template-columns: repeat(4, 1fr); } }

.proj-feature {
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  /* translateZ(0) pre-creates a GPU compositing layer in the BASE state.
     Without this, on Windows Chrome, adding transform on :hover forces a
     new layer mid-animation — visible as a "tear" or flash at card edges.
     Pre-creating the layer eliminates that flash entirely. */
  transform: translateZ(0);
  transition: transform 0.6s var(--ease), background 0.4s, box-shadow 0.5s var(--ease);
}

.proj-feature:hover {
  background: var(--glass-bg-hover);
  transform: translateZ(0) translateY(-5px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.proj-feature__icon { color: var(--text-muted); }

.proj-feature__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);
}

.proj-feature__desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ── Prev / Next nav ──────────────────────────────────────── */
.proj-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: clamp(3rem, 6vw, 5rem) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 640px) {
  .proj-nav {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.proj-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: opacity 0.4s var(--ease);
}

.proj-nav__link:hover { opacity: 0.6; }

.proj-nav__link--next { text-align: right; }

.proj-nav__dir {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.proj-nav__link--next .proj-nav__dir { justify-content: flex-end; }

.proj-nav__name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);
}

/* ── System page specific ─────────────────────────────────── */
.proj-benefit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 768px) {
  .proj-benefit-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .proj-benefit-grid { grid-template-columns: repeat(3, 1fr); }
}

.proj-benefit {
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.6s var(--ease), background 0.4s;
}

.proj-benefit:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-5px);
}

.proj-benefit__icon { color: var(--text-muted); }

.proj-benefit__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.proj-benefit__desc {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ── Category page — project grid ───────────────────────────── */
.cat-proj-list {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x) clamp(5rem, 10vw, 8rem);
}

.cat-proj-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
}

@media (min-width: 768px) {
  .cat-proj-grid--two { grid-template-columns: 1fr 1fr; }
}

.cat-proj {
  display: block;
  text-decoration: none;
  /* GPU layer pre-creation */
  transform: translateZ(0);
  transition: transform 0.6s var(--ease);
}

.cat-proj:hover { transform: translateZ(0) translateY(-6px); }

.cat-proj__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.cat-proj__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: brightness(0.88) saturate(0.88);
  transition: transform 0.7s var(--ease), filter 0.5s var(--ease);
}

.cat-proj:hover .cat-proj__img img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1.08);
}

.cat-proj__meta {
  padding: 1.1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cat-proj__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);
  line-height: 1;
}

.cat-proj__sub {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.cat-proj__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-top: 0.6rem;
  transition: color 0.35s var(--ease), gap 0.35s var(--ease);
}

.cat-proj:hover .cat-proj__cta {
  color: var(--text-muted);
  gap: 0.7rem;
}

/* TODO section note — visible in placeholder state */
.proj-todo-note {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-align: center;
  padding: 1rem 0 0.5rem;
  letter-spacing: 0.06em;
}