/* ─────────────────────────────────────────
   PORTFOLIO SECTION + POPUP
───────────────────────────────────────── */

/* ─── HEADER ─── */
.portfolio__title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 100px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: 12px;
}

.portfolio__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 60px;
}

/* ─── GRID ─── */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
}

/* ─── CARD ─── */
.pf-card {
  position: relative;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  cursor: none;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.15s linear, box-shadow 0.4s var(--ease-out);
}

/* Lift on hover */
.pf-card:hover {
  z-index: 2;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--accent);
}

/* ─── VISUAL BLOCK ─── */
.pf-card__visual {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

/* ─────────────────────────────────────
   IMAGES PORTFOLIO
   → Mettre les 6 images dans assets/img/
     avec ces noms exacts :
       pf-01-localpilot.jpg
       pf-02-hemisud.jpg
       pf-03-mikoko.jpg
       pf-04-thalesapp.jpg
       pf-05-valdevienne.jpg
       pf-06-motion.jpg
   → Le gradient s'affiche tant que
     l'image n'est pas encore présente.
   ───────────────────────────────────── */
.pf-card__img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s var(--ease-out);
}

.pf-card:hover .pf-card__img {
  transform: scale(1.06);
}

/* 01 — Local Pilot */
.pf-card__img--lp {
  background:
    url('../../assets/img/pf-01-localpilot.jpg') center/cover no-repeat,
    linear-gradient(135deg, #080e06 0%, #0f200a 50%, #182e10 100%);
}

/* 02 — Hémisphère Sud */
.pf-card__img--hs {
  background:
    url('../../assets/img/pf-02-hemisud.jpg') center/cover no-repeat,
    linear-gradient(135deg, #03100f 0%, #052a20 50%, #073320 100%);
}

/* 03 — MikokoPrint */
.pf-card__img--mk {
  background:
    url('../../assets/img/pf-03-mikoko.jpg') center/cover no-repeat,
    linear-gradient(135deg, #060810 0%, #0a1028 50%, #0d1840 100%);
}

/* 04 — Thales / Interface */
.pf-card__img--th {
  background:
    url('../../assets/img/pf-04-thalesapp.jpg') center/cover no-repeat,
    linear-gradient(135deg, #060c1a 0%, #0a1533 50%, #001a66 100%);
}

/* 05 — Circuit du Val de Vienne */
.pf-card__img--vdv {
  background:
    url('../../assets/img/pf-05-valdevienne.jpg') center/cover no-repeat,
    linear-gradient(135deg, #100608 0%, #280a0c 50%, #3a0e10 100%);
}

/* 06 — Motion Design */
.pf-card__img--md {
  background:
    url('../../assets/img/pf-06-motion.jpg') center/cover no-repeat,
    linear-gradient(135deg, #0c060f 0%, #1a0a22 50%, #250d33 100%);
}

/* Dark overlay on hover reveals the "Voir →" */
.pf-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.pf-card:hover .pf-card__overlay { opacity: 1; }

/* Cursor-tracking shine */
.pf-card__shine {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--sx, 50%) var(--sy, 50%),
    rgba(157, 92, 255, 0.18) 0%,
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.pf-card:hover .pf-card__shine { opacity: 1; }

/* ─── INFO STRIP ─── */
.pf-card__info {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  flex: 1;
}

.pf-card__num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--text-faint);
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.4s;
}
.pf-card:hover .pf-card__num { color: var(--accent); }

.pf-card__title {
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.pf-card__intro {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.pf-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ─── VOIR BUTTON ─── */
.pf-card__btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-glow);
  padding: 10px 16px;
  border: 1px solid rgba(123,47,255,0.4);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s var(--ease-out), border-color 0.3s, background 0.3s;
  cursor: none;
}
.pf-card:hover .pf-card__btn {
  opacity: 1;
  transform: translateY(0);
}
.pf-card__btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ════════════════════════════════════════════
   POPUP — circle-expand from click origin
════════════════════════════════════════════ */
.pf-popup {
  position: fixed;
  inset: 0;
  z-index: 800;
  background: #0c0c0c;
  clip-path: circle(0% at var(--ox, 50%) var(--oy, 50%));
  transition: clip-path 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  pointer-events: none;
  -webkit-overflow-scrolling: touch;
}

.pf-popup.is-open {
  clip-path: circle(150% at var(--ox, 50%) var(--oy, 50%));
  pointer-events: all;
}

/* Backdrop flicker before expand */
.pf-popup__backdrop {
  position: fixed;
  inset: 0;
  z-index: 799;
  background: rgba(123, 47, 255, 0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.pf-popup__backdrop.is-active {
  opacity: 1;
  pointer-events: all;
}

/* Close button */
.pf-popup__close {
  position: sticky;
  top: 28px;
  float: right;
  margin: 28px 28px 0 0;
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.3s, color 0.3s, transform 0.3s;
}
.pf-popup__close:hover {
  border-color: var(--accent);
  color: var(--accent-glow);
  transform: rotate(90deg);
}

/* Inner layout */
.pf-popup__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  clear: both;
}

/* Left — visual */
.pf-popup__visual {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 60px 40px;
}

.pf-popup__img {
  width: 100%;
  height: 80%;
  border-radius: 2px;
  transition: transform 0.3s;
}
.pf-popup__visual:hover .pf-popup__img {
  transform: scale(1.02);
}

.pf-popup__num {
  position: absolute;
  font-family: var(--font-display);
  font-size: clamp(100px, 20vw, 260px);
  color: rgba(255,255,255,0.03);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  bottom: 20px;
  right: 20px;
}

/* Right — content */
.pf-popup__content {
  padding: 80px 60px 80px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;

  /* Stagger in */
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s var(--ease-out) 0.35s, transform 0.6s var(--ease-out) 0.35s;
}
.pf-popup.is-open .pf-popup__content {
  opacity: 1;
  transform: translateY(0);
}

.pf-popup__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.pf-popup__title {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 88px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  color: var(--text);
}

.pf-popup__role {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.pf-popup__desc {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(240,240,240,0.7);
  max-width: 480px;
}

.pf-popup__details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pf-popup__detail-row {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.pf-popup__detail-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  width: 80px;
  flex-shrink: 0;
  padding-top: 2px;
}

.pf-popup__detail-val {
  color: var(--text);
  line-height: 1.5;
}

.pf-popup__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .pf-popup__inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .pf-popup__visual {
    position: relative;
    height: 50vw;
    min-height: 280px;
  }
  .pf-popup__content {
    padding: 40px 28px 60px;
  }
}

@media (max-width: 768px) {
  .portfolio__grid {
    grid-template-columns: 1fr;
  }
  .pf-card__visual {
    aspect-ratio: 16/9;
  }
}