/* ============================================================
   Layout — page-specific
   ============================================================ */

/* ---- Top nav ---- */
.topnav {
  position: absolute;
  top: clamp(20px, 3vw, 34px);
  right: clamp(20px, 3vw, 40px);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 20px;
}
.topnav__cv {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  padding: 7px 16px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.topnav__cv:hover {
  background: var(--ink);
  color: #fff;
}

/* ---- Lang toggle ---- */
.lang-toggle {
  position: static;
  z-index: 6;
  background: none; border: none;
  font-weight: 700; font-size: 13px; letter-spacing: 0.06em;
  color: var(--faint);
  display: flex; gap: 6px;
}
.lang-toggle .on { color: var(--ink); }
.lang-toggle .sep { color: var(--line-2); }

/* ---- Back button ---- */
.backbtn {
  width: 44px; height: 44px; border-radius: 999px;
  border: 1px solid var(--line-2); background: #fff;
  display: grid; place-items: center; color: var(--ink-2);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.backbtn:hover { border-color: var(--ink); color: var(--ink); }
.backbtn svg { width: 20px; height: 20px; }

/* ---- Footer ---- */
.footer__link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer__link:hover { color: var(--ink); }

.site-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: clamp(24px, 4vw, 44px) clamp(28px, 4vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 14px;
}

/* ============================================================
   HOME
   ============================================================ */
.home {
  display: block;
}

/* Hero : occupe 100vh, contenu centré verticalement et horizontalement */
.home__side {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 50%;
  margin: 0 auto;
  z-index: 3;
  pointer-events: none;
}

/* Feed projets : démarre à 70vh (visible avant le scroll), couvre le hero au scroll */
.home__work {
  position: relative;
  z-index: 2;
  background: var(--card);
  width: 50%;
  margin: -30vh auto 0;
  padding-top: 12vh;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* Barre de filtres : devient sticky quand elle atteint le haut */
.work__filter {
  position: sticky;
  top: 10vh;
  z-index: 100;
  background: var(--card);
  padding-top: 20px;
  padding-bottom: 20px;
  margin-bottom: 12px;
  text-align: center;
}
.work__filter::before {
  content: '';
  position: absolute;
  top: -10vh;
  left: 0; right: 0;
  height: 10vh;
  background: var(--card);
}
.home__side {
  position: sticky;
  top: clamp(28px, 4vw, 56px);
  display: flex;
  flex-direction: column;
}

/* bold lead */
.side__lead { flex: 0 0 auto; pointer-events: auto; position: relative; margin-bottom: 20vh; }
.side__ctabtns {
  position: absolute;
  bottom: -14vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  white-space: nowrap;
}
.side__hook-dot {
  color: #7c3aed;
  font-size: 1.4em;
  line-height: 0;
  vertical-align: -0.1em;
}
.side__hook {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.005em;
  line-height: 1.06;
  font-size: clamp(20px, 2.2vw, 30px);
  max-width: 36ch;
  text-wrap: balance;
}

.side__hook-sub {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 28ch;
}
.side__lead .side__ctabtns { margin-top: clamp(28px, 4vw, 44px); }

/* discreet profile, pushed to bottom */
.side__profile {
  flex: none;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: clamp(40px, 7vw, 88px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
  opacity: calc(1 - var(--p, 0) * 0.4);
}
.side__avatar {
  flex: none;
  width: calc(52px - 12px * var(--p, 0));
  height: calc(52px - 12px * var(--p, 0));
  border-radius: 999px;
  overflow: hidden;
}
.side__avatar .ph { width: 100%; height: 100%; border-radius: 0; }
.side__id { min-width: 0; }
.side__name {
  margin: 0;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0;
  color: var(--ink);
}
.side__role { margin: 3px 0 0; font-size: 11px; }
.side__bio {
  color: var(--muted);
  font-size: 13.5px; line-height: 1.55;
  margin: 10px 0 0;
  overflow: hidden;
  max-height: calc(140px * (1 - var(--p, 0)));
  opacity: calc(1 - var(--p, 0) * 1.7);
}
.side__ctabtns { display: flex; gap: 10px; justify-content: center; }

/* ---- Filter CTA + tags ---- */
.work__filter { margin-bottom: 32px; }
.work__filter-cta {
  margin: 0 0 14px;
  font-family: var(--font);
  font-weight: 900;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.work__tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.work__tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.work__tag:hover { border-color: var(--ink-2); color: var(--ink); }
.work__tag.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---- Work feed: sticky stacking cards ---- */
.home__work { min-width: 0; --stick: calc(10vh + 100px); --peek: 0px; padding-top: 40px; }
.work__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 26px;
}
.work__item {
  position: sticky;
  z-index: auto;
  top: calc(var(--stick) + var(--i, 0) * var(--peek));
  margin-bottom: clamp(44px, 8vh, 96px);
}
.work__item:last-child { margin-bottom: clamp(44px, 8vh, 96px); }
.work__spacer { height: 60vh; }
.work__card {
  display: block; width: 100%; text-align: left;
  position: relative;
  padding: 26px 0 120px;
  background: var(--card);
  border: none;
  box-shadow: none;
  transform-origin: 50% 0;
  will-change: transform;
}
.work__card--last { padding-bottom: 40px; }
.work__card:hover .work__img {
  transform: scale(0.99);
}
.work__card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--line-2);
  opacity: var(--line-op, 1);
}
.work__img {
  width: 100%;
  height: clamp(320px, 50vh, 520px);
  display: block;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.work__cap {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 2px 0;
  color: var(--muted); font-size: 15px;
}
.work__name { color: var(--ink); font-weight: 700; font-size: 17px; white-space: nowrap; }
.work__cats { display: flex; gap: 8px; align-items: center; white-space: nowrap; flex-shrink: 0; }
.work__dot { color: var(--faint); }

/* ============================================================
   PROJECT DETAIL
   ============================================================ */
.proj {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(32px, 4vw, 64px);
  padding-top: clamp(64px, 7vw, 88px);
  align-items: start;
}
.proj__side { position: sticky; top: clamp(28px, 4vw, 56px); }
.proj__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(36px, 4.4vw, 52px); line-height: 1.04; margin: 22px 0 16px; }
.proj__desc { color: var(--muted); line-height: 1.62; margin: 0 0 22px; }
.proj__meta { margin: 32px 0 0; border-top: 1px solid var(--line); }
.proj__row { display: flex; justify-content: space-between; align-items: center; padding: 16px 2px; border-bottom: 1px solid var(--line); }
.proj__row--credits { align-items: flex-start; flex-wrap: wrap; gap: 4px 16px; }
.proj__row--credits dd { font-size: 14px; font-weight: 400; color: var(--ink-2); text-align: right; flex: 1; min-width: 0; }
.proj__row dt { margin: 0; color: var(--muted); }
.proj__row dd { margin: 0; font-weight: 700; }
.proj__mission { margin-top: 28px; }
.proj__mission-label { margin: 0 0 12px; }
.proj__pills { display: flex; flex-wrap: wrap; gap: 8px; }
.proj__pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  background: transparent;
  line-height: 1.3;
}

.proj__next { margin-top: 30px; display: flex; flex-direction: column; gap: 4px; background: none; border: none; padding: 0; text-align: left; }
.proj__nextname { font-weight: 900; font-size: 20px; }

.proj__gallery {
  columns: 2;
  column-gap: clamp(12px, 1.5vw, 20px);
  min-width: 0;
  overflow: hidden;
  width: 100%;
}
.proj__masonry-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  break-inside: avoid;
  margin-bottom: clamp(12px, 1.5vw, 20px);
  border-radius: var(--img-radius, 0px);
  vertical-align: top;
  image-rendering: -webkit-optimize-contrast;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  max-width: 840px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 72px) clamp(24px, 4vw, 44px);
}
.about__title { font-family: var(--font-display); font-size: clamp(38px, 5.2vw, 60px); font-weight: 400; line-height: 1.05; margin: 30px 0 18px; }
.about__lede { color: var(--muted); font-size: 18px; line-height: 1.5; margin: 0 0 28px; max-width: 560px; }
.about__socials { margin-bottom: 36px; }
.about__img { width: 100%; height: clamp(320px, 48vh, 480px); margin-bottom: 40px; }
.about__body p { color: var(--ink-2); line-height: 1.78; font-size: 17px; margin: 0 0 22px; max-width: 700px; }

/* ============================================================
   RESPONSIVE — tablet (≤ 880px) + mobile (≤ 560px)
   ============================================================ */

/* ---- Tablet ---- */
@media (max-width: 880px) {

  /* home layout */
  .home__side { width: 80%; }
  .home__work { width: 80%; }
  .side__lead { margin-top: clamp(16px, 3vw, 32px); }
  .side__hook { font-size: clamp(32px, 6vw, 44px); max-width: 22ch; }
  .side__hook-sub { max-width: 44ch; }
  .side__profile { margin-top: 32px; }
  .side__avatar { width: 48px !important; height: 48px !important; }
  .side__bio { max-height: none !important; opacity: 1 !important; }

  /* work feed */
  .home__work { padding-top: 32px; --stick: 16px; }
  .work__filter { margin-bottom: 28px; }
  .work__card { padding: 20px 0 0; }
  .work__img { height: clamp(220px, 44vh, 380px); }
  .work__item { margin-bottom: clamp(24px, 5vh, 52px); }

  /* project detail */
  .proj {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: clamp(24px, 4vw, 40px);
    padding-top: clamp(56px, 7vw, 72px);
  }
  .proj__side { position: static; }
  .proj__gallery { order: -1; columns: 1; }

  /* about */
  .about { padding: clamp(24px, 4vw, 40px); }

  /* footer */
  .site-foot { flex-direction: column; gap: 6px; align-items: flex-start; padding: clamp(20px, 3vw, 32px) clamp(24px, 4vw, 40px); }
}

/* ---- Mobile ---- */
@media (max-width: 560px) {

  /* home */
  .home__side,
  .home__work { width: 90%; }
  .side__hook { font-size: clamp(28px, 9vw, 38px); }
  .side__hook-sub { font-size: 15px; }
  .side__ctabtns { flex-wrap: wrap; gap: 8px; }
  .side__profile { gap: 12px; }

  /* work feed */
  .home__work { padding-top: 28px; }
  .work__filter-cta { font-size: 18px; }
  .work__tags { gap: 6px; }
  .work__tag { font-size: 12px; padding: 6px 13px; }
  .work__img { height: clamp(200px, 52vw, 320px); }
  .work__name { font-size: 15px; }
  .work__cap { font-size: 13px; }

  /* project */
  .proj { padding: 16px 16px 0; gap: 20px; padding-top: 52px; }
  .proj__title { font-size: clamp(28px, 9vw, 40px); margin: 16px 0 12px; }
  .proj__nextname { font-size: 17px; }

  /* lang toggle */
  .lang-toggle { top: 14px; right: 16px; font-size: 12px; }

  /* about */
  .about { padding: 16px; }
  .about__title { font-size: clamp(30px, 10vw, 44px); }
  .about__lede { font-size: 16px; }
  .about__body p { font-size: 15px; }

  /* footer */
  .site-foot { padding: 20px 20px; font-size: 13px; }
}