/* =============================================================================
   resume.css — Portfolio page ("locked full-screen" horizontal category deck)
   Page-scoped; linked directly in resume.html (not imported into main.css).
   Tokens come from variables.css — no hardcoded colors or timings here.
   ========================================================================== */

/* ── Shell: lock the page to a single viewport ──────────────────────────── */
body.resume-page {
  height: 100dvh;
  overflow: hidden;
}

.resume-app {
  position: relative;
  height: 100dvh;
  overflow: hidden;
}

/* ── Horizontal category deck ───────────────────────────────────────────── */
.deck {
  height: 100dvh;
  overflow: hidden;
}

.deck__track {
  display: flex;
  height: 100%;
  width: 500vw;                       /* 5 categories */
  transform: translateX(calc(var(--active, 0) * -100vw));
  transition: transform var(--duration-normal) var(--ease-entrance);
}

.deck__panel {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7.5rem 2rem 6.75rem;       /* clear floating header + cat-nav */
}

/* Prev / next category arrows (desktop) */
.deck__arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  background: var(--surface-color);
  color: var(--text-color);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
  transition: transform var(--duration-fast) var(--ease-entrance),
              opacity var(--duration-fast) var(--ease-entrance);
}
.deck__arrow--prev { left: 1.5rem; }
.deck__arrow--next { right: 1.5rem; }
.deck__arrow:hover { transform: translateY(-50%) scale(1.08); }
.deck__arrow:active { transform: translateY(-50%) scale(0.94); }
.deck__arrow.is-hidden { opacity: 0; pointer-events: none; }

/* Row of cards inside a category panel (desktop) */
.card-row {
  display: flex;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: stretch;
  justify-content: center;
  width: 100%;
  max-width: 1200px;
  overflow-x: auto;                    /* if a row is too wide → horizontal only */
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}
.card-row::-webkit-scrollbar { display: none; }

/* Certificates: 2×2 grid of horizontal cards (defined after .card-row so grid wins) */
.card-row--cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  width: 100%;
  max-width: 900px;
  height: 100%;
  overflow: visible;
}
.card-row--cert-grid .rcard {
  flex: initial;
  width: auto;
  height: 100%;
}

/* ── Borderless flip card ───────────────────────────────────────────────── */
.rcard {
  position: relative;
  flex: 0 0 clamp(220px, 22vw, 272px);
  height: min(62vh, 460px);
  perspective: 1400px;
  scroll-snap-align: center;
  color: inherit;
  border-radius: 20px;
  outline: none;
}

.rcard__inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform var(--duration-normal) var(--ease-entrance);
}

@media (hover: hover) and (pointer: fine) {
  .rcard:hover .rcard__inner,
  .rcard:focus-visible .rcard__inner { transform: rotateY(180deg); }
  .rcard:hover { z-index: 2; }
}

.rcard__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(22, 24, 17, 0.14);
}

/* Front — image + keywords, no outline */
.rcard__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rcard__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(22, 24, 17, 0.82) 0%,
              rgba(22, 24, 17, 0.32) 42%,
              rgba(22, 24, 17, 0) 68%);
}

.rcard__front-body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.1rem 1.1rem 1.25rem;
  color: #fff;
}

.rcard__org {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.55rem;
}

.rcard__keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.rcard__kw {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.22rem 0.55rem;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.18);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  color: #fff;
}

.rcard__hint {
  display: none;                       /* mobile-only affordance */
  margin-top: 0.7rem;
  font-size: 0.7rem;
  opacity: 0.85;
}

/* Back — full-sentence summary */
.rcard__back {
  transform: rotateY(180deg);
  background: var(--surface-color);
  color: var(--text-color);
  padding: 1.4rem 1.3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.rcard__type {
  display: block;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--accent-2);
}

.rcard__title {
  display: block;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.25;
  margin: 0.5rem 0 0.15rem;
}

.rcard__period {
  display: block;
  font-size: 0.78rem;
  color: var(--text-color-muted);
}

.rcard__summary {
  display: block;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-color);
  margin: 0.75rem 0;
  overflow: hidden;
}

.rcard__open {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
}

/* Certificate card variant — show the full certificate, uncropped */
.rcard--cert .rcard__front { background: var(--surface-color); }
.rcard--cert .rcard__img { object-fit: contain; }
.rcard--cert .rcard__back { padding: 1rem 1.1rem; }
.rcard--cert .rcard__title { font-size: 0.95rem; }

/* ── Bottom category nav ────────────────────────────────────────────────── */
.cat-nav {
  position: fixed;
  bottom: 1.35rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--surface-color);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--surface-border);
  border-radius: 99px;
  padding: 0.35rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  max-width: 94vw;
}

.cat-nav__list {
  position: relative;
  display: flex;
  gap: 0.15rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-nav__list::-webkit-scrollbar { display: none; }

.cat-nav__indicator {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 99px;
  background: rgba(139, 101, 65, 0.12);   /* --accent, low opacity (active state) */
  transition: transform var(--duration-normal) var(--ease-entrance),
              width var(--duration-normal) var(--ease-entrance);
  z-index: 0;
}

.cat-nav__tab {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.7875rem;
  color: var(--text-color-muted);
  padding: 0.5rem 1.05rem;
  border-radius: 99px;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-entrance);
}
.cat-nav__tab:hover { color: var(--text-color); }
.cat-nav__tab.is-active { color: var(--accent); }
.cat-nav__tab:active { transform: scale(0.96); }

.cat-nav__short { display: none; }

/* ── Skill Sets bento ───────────────────────────────────────────────────── */
.skills {
  width: 100%;
  max-width: 1200px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skills__head {
  text-align: center;
}
.skills__eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent-2);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.7rem, 1.2vw, 1.05rem);
}

.tile {
  background: var(--surface-color);
  border-radius: 18px;
  padding: clamp(0.85rem, 1.3vw, 1.3rem);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform var(--duration-fast) var(--ease-entrance);
}
@media (hover: hover) {
  .tile:hover { transform: translateY(-4px); }
}

.tile__title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--accent-2);
}

.tile__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.28rem 0.6rem;
  border-radius: 99px;
  background: var(--bg-color);
  border: 1px solid var(--surface-border);
  color: var(--text-color);
}
.tile--lang .chip { background: transparent; }

/* Staggered reveal when the Skills panel is first shown */
.skills.is-revealed .tile {
  animation: tileIn 480ms var(--ease-entrance) both;
  animation-delay: calc(var(--i, 0) * 45ms);
}
@keyframes tileIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Experience modal ───────────────────────────────────────────────────── */
.exp-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(1rem, 4vh, 3rem) 1rem;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 280ms var(--ease-exit), visibility 0s linear 280ms;
}
.exp-modal.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--duration-normal) var(--ease-entrance), visibility 0s;
}

.exp-modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(22, 24, 17, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.exp-modal__sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 960px;
  background: var(--bg-color);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  transform: scale(0.96) translateY(14px);
  opacity: 0;
  transition: transform 280ms var(--ease-exit), opacity 280ms var(--ease-exit);
}
.exp-modal.is-open .exp-modal__sheet {
  transform: none;
  opacity: 1;
  transition: transform var(--duration-normal) var(--ease-entrance),
              opacity var(--duration-normal) var(--ease-entrance);
}

.exp-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-color);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-fast) var(--ease-entrance);
}
.exp-modal__close:hover { transform: scale(1.06); }
.exp-modal__close:active { transform: scale(0.94); }

/* Modal hero */
.exp-modal__hero {
  position: relative;
  height: clamp(200px, 34vh, 340px);
}
.exp-modal__hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.exp-modal__hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(22, 24, 17, 0.9) 0%,
              rgba(22, 24, 17, 0.35) 55%,
              rgba(22, 24, 17, 0.1) 100%);
}
.exp-modal__hero-info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  color: #fff;
}
.exp-modal__badge {
  display: inline-block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 0.28rem 0.7rem;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  margin-bottom: 0.7rem;
}
.exp-modal__title {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.exp-modal__meta {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.92;
}
.exp-modal__meta span + span::before {
  content: "·";
  margin: 0 0.5rem;
  opacity: 0.7;
}

/* Modal body */
.exp-modal__body {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.exp-modal__summary {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 2rem;
}
.exp-modal__section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 0.9rem;
}
.exp-modal__section { margin-bottom: 2rem; }

.exp-modal__highlights {
  display: grid;
  gap: 0.7rem;
}
.exp-modal__highlights li {
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.55;
  color: var(--text-color);
}
.exp-modal__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.exp-modal__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.exp-modal__docs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.exp-modal__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}
.exp-modal__gallery a {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.exp-modal__gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-entrance);
}
@media (hover: hover) {
  .exp-modal__gallery a:hover img { transform: scale(1.05); }
}

/* ── Mobile (≤768px) ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .deck__panel {
    padding: 5.75rem 1rem 6rem;
    align-items: stretch;
  }

  /* Cards stack into a vertical scroll-snap column */
  .card-row {
    flex-direction: column;
    align-items: stretch;
    height: 100%;
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    gap: 1rem;
    overflow-x: hidden;
    overflow-y: auto;
    scroll-snap-type: y proximity;
    -webkit-overflow-scrolling: touch;
  }

  .rcard {
    flex: 0 0 auto;
    width: 100%;
    height: 66dvh;
    scroll-snap-align: center;
  }
  .rcard:active { transform: scale(0.985); }
  .rcard__hint { display: block; }
  .rcard__org { font-size: 1.05rem; }
  .rcard__kw { font-size: 0.72rem; }

  /* Desktop-only arrows hidden — swipe + tab bar handle mobile */
  .deck__arrow { display: none; }

  /* Certificates: same one-column vertical scroll-snap layout as every other category on mobile */
  .card-row--cert-grid {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    grid-template-rows: none;
    max-width: 460px;
    height: 100%;
    gap: 1rem;
    overflow-x: hidden;
    overflow-y: auto;
  }
  .card-row--cert-grid .rcard {
    flex: 0 0 auto;
    width: 100%;
    height: 66dvh;
  }

  /* Category nav: compact labels, tightened so all five fit without scrolling */
  .cat-nav__label { display: none; }
  .cat-nav__short { display: inline; }
  .cat-nav { padding: 0.3rem; max-width: 97vw; }
  .cat-nav__list { gap: 0.05rem; overflow: visible; }
  .cat-nav__tab { padding: 0.45rem 0.5rem; font-size: 0.66rem; }

  /* Bento stacks; panel scrolls if needed */
  .skills {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-right: 2px;
  }
  .skills__grid { grid-template-columns: 1fr 1fr; }

  .exp-modal { padding: 0; }
  .exp-modal__sheet { border-radius: 0; min-height: 100dvh; max-width: 100%; }
}

@media (max-width: 460px) {
  .skills__grid { grid-template-columns: 1fr; }
}

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .deck__track,
  .rcard__inner,
  .cat-nav__indicator,
  .exp-modal,
  .exp-modal__sheet { transition-duration: 0.01ms; }

  .skills.is-revealed .tile { animation: none; }

  /* No 3D flip — the summary stays available inside the modal */
  .rcard:hover .rcard__inner,
  .rcard:focus-visible .rcard__inner { transform: none; }
}