/* ============================================
   WILLIT DESIGN — pages.css
   Extends styles.css for About + Projects pages
   ============================================ */

/* ---------- SHARED UTILITIES ---------- */

.label-mono {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Active nav state */
.nav-link--active {
  color: var(--text) !important;
}
.nav-link--active::after {
  width: 100% !important;
  background: var(--green) !important;
}

/* Seq fade-in for hero elements */
.fade-in-seq {
  opacity: 0;
  transform: translateY(20px);
}
.fade-in-seq.seq-done {
  transition: opacity 0.8s var(--ease-expo), transform 0.8s var(--ease-expo);
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   PAGE HERO — shared
   ============================================ */
.pg-hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 5rem) var(--pad-x) 5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.pg-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.pg-hero-glow {
  position: absolute;
  top: -20%;
  left: -10%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(94,187,71,0.06) 0%, transparent 68%);
  pointer-events: none;
}

.pg-hero-glow--right {
  left: auto;
  right: -10%;
  top: -10%;
}

.pg-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.pg-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.8rem;
}

.pg-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 6rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.8rem;
}
.pg-hero-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-dim);
}

.pg-hero-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.78rem, 1.1vw, 0.9rem);
  color: var(--text-dim);
  letter-spacing: 0.02em;
  line-height: 1.85;
  max-width: 480px;
}

/* Side index decoration */
.pg-hero-index {
  position: absolute;
  bottom: 2.5rem;
  right: var(--pad-x);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  z-index: 2;
}
.pg-hero-vline {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
  align-self: center;
}


/* ============================================
   ABOUT PAGE
   ============================================ */

/* --- Bio --- */
.about-bio {
  padding: 6rem var(--pad-x);
  border-bottom: 1px solid var(--border);
}
.about-bio-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

/* Portrait */
.about-portrait {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.about-portrait-frame {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #1a1a1a;
}
.about-portrait-img {
  width: 100%; height: 100%;
  object-fit: contain;
  filter: grayscale(15%) contrast(1.04);
  transition: filter 0.6s ease, transform 0.8s var(--ease-expo);
}
.about-portrait-frame:hover .about-portrait-img {
  filter: grayscale(0%) contrast(1);
  transform: scale(1.04);
}
.about-portrait-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1rem 1.2rem;
  background: linear-gradient(to top, rgba(15,15,15,0.85), transparent);
}
.about-portrait-tag {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 1.2rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.about-portrait-loc {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* Bio text */
.about-bio-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}
.about-bio-heading em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-dim);
}
.about-bio-body {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.about-bio-body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-dim);
}

/* --- Process --- */
.about-process {
  padding: 6rem var(--pad-x);
  border-bottom: 1px solid var(--border);
}
.about-process-header {
  margin-bottom: 4rem;
  max-width: 560px;
}
.about-process-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-top: 0.5rem;
}
.about-process-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-dim);
}

.about-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.process-card {
  background: #131313;
  padding: 2.2rem 1.8rem 2.4rem;
  border-top: 1px solid var(--border);
  position: relative;
  transition: background 0.35s ease;
}
.process-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-expo);
}
.process-card:hover { background: #161616; }
.process-card:hover::before { transform: scaleX(1); }

.process-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--green);
  display: block;
  margin-bottom: 1.4rem;
}
.process-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
}
.process-body {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* --- Skills --- */
.about-skills {
  padding: 6rem var(--pad-x);
  border-bottom: 1px solid var(--border);
}
.about-skills-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.skills-list {
  list-style: none;
  margin-top: 0.5rem;
}
.skills-item {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-dim);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.3s ease, padding-left 0.3s var(--ease-expo);
  cursor: default;
}
.skills-item:hover {
  color: var(--text);
  padding-left: 0.5rem;
}
.skills-item:first-child { border-top: 1px solid var(--border); }

.skills-col--stats .about-stats {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 1.5rem;
}

/* --- Closing CTA --- */
.about-close {
  padding: 7rem var(--pad-x);
  position: relative;
  overflow: hidden;
}
.about-close-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.about-close-mark {
  margin-bottom: 1rem;
}
.about-close-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  margin-top: 0.5rem;
}
.about-close-heading em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-dim);
}
.about-close-sub {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 400px;
  margin-bottom: 3rem;
}
.about-close-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}


/* ============================================
   PROJECTS PAGE
   ============================================ */

/* --- Filter bar --- */
.proj-filter {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem var(--pad-x);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.proj-filter-label {
  flex-shrink: 0;
}
.proj-filter-btns {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0;         /* square */
  padding: 0.45rem 1rem;
  cursor: none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.filter-btn:hover {
  color: var(--text);
  border-color: rgba(234,234,230,0.2);
}
.filter-btn--active {
  color: var(--bg);
  background: var(--green);
  border-color: var(--green);
}

/* --- Project list --- */
.proj-list {
  padding: 0 var(--pad-x) 4rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Base project item */
.proj-item {
  background: #121212;
  overflow: hidden;
  transition: background 0.3s ease;
}
.proj-item:hover { background: #151515; }

.proj-link { display: block; }

.proj-image-wrap {
  position: relative;
  aspect-ratio: 16/8;
  overflow: hidden;
}
.proj-image {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 1s var(--ease-expo);
}
.proj-item:hover .proj-image { transform: scale(1.1); }

/* Overlay */
.proj-image-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 1.8rem 2rem;
  background: linear-gradient(to top, rgba(15,15,15,0.55), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.proj-item:hover .proj-image-overlay { opacity: 1; }
.proj-view-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--green);
  transform: translateY(8px);
  transition: transform 0.4s var(--ease-expo);
}
.proj-item:hover .proj-view-label { transform: translateY(0); }

/* Meta bar */
.proj-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding: 1.4rem 1.6rem 1.6rem;
  border-top: 1px solid var(--border);
}
.proj-meta-left {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  flex: 1;
  min-width: 0;
}
.proj-index {
  flex-shrink: 0;
  padding-top: 0.2rem;
  color: var(--green);
}
.proj-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  transition: color 0.3s ease;
}
.proj-item:hover .proj-title { color: var(--green); }
.proj-desc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 520px;
}
.proj-meta-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.45rem;
  flex-shrink: 0;
}
.proj-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 0;
  white-space: nowrap;
}
.proj-year {
  color: var(--text-dim);
  font-size: 0.65rem;
  margin-top: 0.3rem;
}

/* Featured — taller image */
.proj-item--featured .proj-image-wrap {
  aspect-ratio: 16/7;
}
.proj-item--featured .proj-title {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
}

/* Wide item */
.proj-item--wide .proj-image-wrap {
  aspect-ratio: 21/9;
}

/* Two-column duo row */
.proj-row-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.proj-row-duo .proj-image-wrap {
  aspect-ratio: 4/3;
}

/* Hidden by filter */
.proj-item.hidden,
.proj-row-duo.hidden {
  display: none;
}

/* --- Projects CTA --- */
.proj-cta {
  padding: 7rem var(--pad-x);
  border-top: 1px solid var(--border);
}
.proj-cta-inner {
  max-width: 700px;
}
.proj-cta-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin: 0.6rem 0 3rem;
}
.proj-cta-heading em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-dim);
}
.proj-cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}


/* ============================================
   RESPONSIVE OVERRIDES
   ============================================ */

/* Landscape iPad */
@media (min-width: 768px) and (max-width: 1100px) {
  .about-bio-inner {
    grid-template-columns: 1fr 1.2fr;
    gap: 3.5rem;
  }
  .about-process-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-skills-inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .skills-col--stats {
    grid-column: span 2;
  }
  .skills-col--stats .about-stats {
    grid-template-columns: repeat(4, auto);
    gap: 2rem;
    justify-content: flex-start;
  }
}

/* Portrait tablet + mobile */
@media (max-width: 767px) {
  .pg-hero {
    min-height: 48vh;
    padding: calc(var(--nav-h) + 3.5rem) var(--pad-x) 3.5rem;
    align-items: flex-end;
  }
  .pg-hero-index { display: none; }

  /* About bio — stack */
  .about-bio { padding: 4rem var(--pad-x); }
  .about-bio-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-portrait {
    position: static;
    max-width: 320px;
  }
  .about-portrait-frame { aspect-ratio: 4/3; }

  .about-process { padding: 4rem var(--pad-x); }
  .about-process-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .about-skills { padding: 4rem var(--pad-x); }
  .about-skills-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .skills-col--stats .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .about-close { padding: 4rem var(--pad-x); }
  .about-close-actions {
    flex-direction: column;
  }
  .about-close-actions .btn-cta,
  .about-close-actions .btn-ghost {
    width: 100%;
    justify-content: center;
  }

  /* Projects */
  .proj-filter { gap: 1rem; }
  .proj-list { padding: 0 var(--pad-x) 3rem; }

  .proj-item--featured .proj-image-wrap { aspect-ratio: 4/3; }
  .proj-item--wide .proj-image-wrap     { aspect-ratio: 4/3; }

  .proj-row-duo {
    grid-template-columns: 1fr;
  }

  .proj-meta {
    flex-direction: column;
    gap: 1rem;
  }
  .proj-meta-right {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .proj-cta { padding: 4rem var(--pad-x); }
  .proj-cta-actions {
    flex-direction: column;
  }
  .proj-cta-actions .btn-cta,
  .proj-cta-actions .btn-ghost {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 400px) {
  .pg-hero-title { font-size: clamp(2rem, 9vw, 3rem); }
}

/* --- iPad Air Retina --- */
@media only screen
  and (min-device-width: 768px)
  and (max-device-width: 1024px)
  and (-webkit-min-device-pixel-ratio: 2) {

  /* filter buttons need pointer cursor for touch */
  .filter-btn { cursor: pointer; }

  /* About page bio — tighter gap so portrait isn't squashed */
  .about-bio-inner {
    grid-template-columns: 1fr 1.3fr;
    gap: 3rem;
  }
  .about-bio { padding: 5rem var(--pad-x); }

  /* Process — 2-col on iPad is the sweet spot */
  .about-process-grid {
    grid-template-columns: 1fr 1fr;
  }
  .process-card {
    padding: 1.8rem 1.4rem 2rem;
  }

  /* Skills */
  .about-skills-inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .skills-col--stats { grid-column: span 2; }
  .skills-col--stats .about-stats {
    grid-template-columns: repeat(4, auto);
    gap: 2rem;
    justify-content: flex-start;
  }

  /* Closing CTA section */
  .about-close { padding: 5rem var(--pad-x); }

  /* Projects page hero */
  .pg-hero {
    padding: calc(var(--nav-h) + 4rem) var(--pad-x) 4rem;
  }
  .pg-hero-title { font-size: clamp(2.8rem, 6.5vw, 5rem); }

  /* Project list items — give images more room */
  .proj-item--featured .proj-image-wrap { aspect-ratio: 16/6; }
  .proj-meta { padding: 1.2rem 1.4rem 1.4rem; }

  /* Project CTA spacing */
  .proj-cta { padding: 5rem var(--pad-x); }
}