/* ============================================================
   QUANTUM BOUTIQUE — Portfolio CSS
   ============================================================ */

/* ── Hero (personal) ─────────────────────────────────────── */
.pf-hero-content {
  padding-top: 9rem;
  padding-bottom: var(--space-24);
}

.pf-hero-name {
  font-family: var(--font-display);
  font-size: clamp(4rem, 11vw, 11rem);
  font-weight: 400;
  line-height: 0.93;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 14ch;
  animation: hero-reveal 0.9s var(--ease-out) both;
  animation-delay: var(--delay, 0ms);
}

.pf-hero-roles {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  animation: hero-reveal 0.9s var(--ease-out) both;
  animation-delay: var(--delay, 0ms);
}

.pf-hero-intro {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  max-width: 54ch;
  line-height: 1.75;
  margin-bottom: var(--space-10);
  animation: hero-reveal 0.9s var(--ease-out) both;
  animation-delay: var(--delay, 0ms);
}

.pf-hero-ctas {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  animation: hero-reveal 0.9s var(--ease-out) both;
  animation-delay: var(--delay, 0ms);
}

.pf-btn-ghost {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  text-decoration: none;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.pf-btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* ── Projects Section ────────────────────────────────────── */
.pf-projects-section {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  background: var(--color-bg);
}

.pf-section-intro {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  margin-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  display: flex;
  flex-direction: column;
}

/* Project case — horizontal split */
.pf-case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  margin-bottom: clamp(var(--space-20), 10vw, var(--space-32));
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}

.pf-case--alt {
  direction: rtl; /* flips column order */
}
.pf-case--alt > * {
  direction: ltr; /* reset content direction */
}

.pf-case-img {
  overflow: hidden;
  position: relative;
}
.pf-case-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 700ms var(--ease-out);
}
.pf-case:hover .pf-case-img img {
  transform: scale(1.03);
}

.pf-case-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pf-case-category {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.pf-case-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.1;
}

.pf-case-lead {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.4;
  max-width: 42ch;
}

.pf-case-body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  max-width: 58ch;
}

/* Tool tags */
.pf-case-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin-top: var(--space-2);
}
.pf-case-tools li {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
}

[data-theme='light'] .pf-case-tools li {
  color: var(--color-text-muted);
}

/* ── Email excerpt ───────────────────────────────────────── */
.pf-email-excerpt {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
  font-family: 'Courier New', 'Courier', monospace;
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-block: var(--space-2);
}

.pf-email-header {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-4);
}

.pf-email-block {
  margin-bottom: var(--space-4);
}

.pf-email-section-title {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.pf-email-line {
  display: block;
  padding-left: var(--space-3);
}
.pf-email-removed {
  color: var(--color-text-faint);
  text-decoration: line-through;
}
.pf-email-added {
  color: var(--color-primary);
}

.pf-email-day {
  display: inline-block;
  min-width: 7em;
  color: var(--color-text);
}

.pf-email-footer {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--color-primary);
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

/* ── About Section ───────────────────────────────────────── */
.pf-about-section {
  background: var(--color-surface);
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  border-top: 1px solid var(--color-divider);
}

.pf-about-inner {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: start;
}

.pf-about-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: sticky;
  top: 7rem;
}

.pf-about-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.15;
}

.pf-about-photo {
  overflow: hidden;
}
.pf-about-photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.pf-about-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.pf-about-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  max-width: 62ch;
}

.pf-about-lead {
  font-size: var(--text-lg);
  color: var(--color-text);
  opacity: 1;
  font-weight: 400;
}

/* Education / Certs meta grid */
.pf-about-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.pf-meta-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.pf-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pf-meta-list li {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.5;
  padding-left: var(--space-4);
  position: relative;
}
.pf-meta-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-primary);
}
.pf-meta-list em {
  font-style: italic;
  color: var(--color-primary);
}

/* ── Background / Timeline ───────────────────────────────── */
.pf-background-section {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
}

.pf-background-inner {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-16), 8vw, var(--space-24));
  align-items: start;
}

/* Timeline */
.pf-timeline {
  list-style: none;
  margin-top: var(--space-10);
  position: relative;
}
.pf-timeline::before {
  content: '';
  position: absolute;
  left: 4.5rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-divider);
}

.pf-timeline-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-8);
  position: relative;
}
.pf-timeline-item::before {
  content: '';
  position: absolute;
  left: calc(4.5rem - 3px);
  top: 0.4em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-border);
  border: 1px solid var(--color-surface);
}

.pf-timeline-current::before {
  background: var(--color-primary);
}

.pf-tl-year {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding-top: 0.2em;
  text-align: right;
  line-height: 1.4;
}

.pf-timeline-current .pf-tl-year {
  color: var(--color-primary);
}

.pf-tl-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.pf-tl-content strong {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
}
.pf-tl-content span {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.6;
}

/* Publications */
.pf-pubs-list {
  list-style: none;
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.pf-pubs-summary {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  margin-top: var(--space-4);
}

.pf-pub-item {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.pf-pub-item:last-child {
  border-bottom: none;
}

.pf-pub-journal {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.pf-pub-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pf-pub-authors {
  font-family: var(--font-body);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  font-weight: 400;
}

.pf-pub-note {
  display: none;
}

/* Publications — minimal */
.pf-pubs-mini {
  margin-top: var(--space-12);
}

.pf-pubs-mini-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding-left: 0;
  counter-reset: pub-counter;
}

.pf-pubs-mini-list li {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.6;
  padding-left: var(--space-4);
  position: relative;
}

[data-theme='light'] .pf-pubs-mini-list li {
  color: var(--color-text-muted);
}

.pf-pubs-mini-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border);
}

.pf-pubs-mini-list em {
  font-style: italic;
}

/* Outreach */
.pf-outreach-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.pf-outreach-list li {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.6;
  padding-left: var(--space-4);
  position: relative;
}
.pf-outreach-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ── Coming Soon banner ────────────────────────── */
.pf-coming-soon {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  margin-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
}

.pf-cs-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 0;
}
.pf-cs-img-wrap img {
  width: 100%;
  aspect-ratio: 21 / 8;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  transition: transform 700ms var(--ease-out);
}
.pf-coming-soon:hover .pf-cs-img-wrap img {
  transform: scale(1.02);
}

.pf-cs-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    oklch(0.07 0.01 160 / 0.75) 0%,
    oklch(0.07 0.01 160 / 0.4) 60%,
    transparent 100%
  );
}

.pf-cs-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-inline: clamp(var(--space-8), 5vw, var(--space-16));
  gap: var(--space-4);
}

.pf-cs-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.35);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  width: fit-content;
  margin-bottom: var(--space-2);
}

.pf-cs-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.1;
  max-width: 16ch;
}

.pf-cs-sub {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: rgba(229, 225, 219, 0.85);
  max-width: 44ch;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .pf-cs-img-wrap img { aspect-ratio: 16 / 9; }
  .pf-cs-title { font-size: var(--text-xl); }
}

/* WIP badge */
.pf-wip-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #e8a020;
  background: rgba(232, 160, 32, 0.1);
  border: 1px solid rgba(232, 160, 32, 0.35);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  margin-bottom: var(--space-2);
}

[data-theme='light'] .pf-wip-badge {
  color: #9a6500;
  background: rgba(154, 101, 0, 0.08);
  border-color: rgba(154, 101, 0, 0.3);
}

/* Clickable case image */
.pf-case-img--link {
  position: relative;
  display: block;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
}

.pf-case-launch-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: oklch(0.07 0.005 50 / 0.65);
  opacity: 0;
  transition: opacity 300ms var(--ease-out);
}
.pf-case-img--link:hover .pf-case-launch-overlay {
  opacity: 1;
}
.pf-case-launch-overlay span {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}
.pf-case-img--link:hover img {
  transform: scale(1.04);
}

/* Launch project text link */
.pf-project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  margin-bottom: var(--space-2);
}
.pf-project-link:hover {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary-hover);
}
.pf-project-link svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.pf-project-link:hover svg {
  transform: translate(2px, -2px);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .pf-case,
  .pf-case--alt {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .pf-case--alt > * {
    direction: ltr;
  }
  .pf-case-img img {
    aspect-ratio: 16 / 9;
  }

  .pf-about-inner {
    grid-template-columns: 1fr;
  }
  .pf-about-left {
    position: static;
  }

  .pf-background-inner {
    grid-template-columns: 1fr;
  }

  .pf-about-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .pf-hero-name {
    font-size: clamp(3.5rem, 16vw, 6rem);
  }
  .pf-hero-ctas {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .pf-email-excerpt {
    font-size: 0.65rem;
  }
  .pf-timeline::before {
    left: 3.5rem;
  }
  .pf-timeline-item {
    grid-template-columns: 3.5rem 1fr;
  }
  .pf-timeline-item::before {
    left: calc(3.5rem - 3px);
  }
}