/* ============================================================
   Portfolio · timeline
   Le parcours pro comme une liste chronologique sobre, chaque
   ligne s'ouvrant sur une trace détaillée (rôle, stack,
   décision, impact). Un seul accent, beaucoup d'air.
   ============================================================ */

:root {
  --bg:         #faf8f4;
  --bg-elev:    #ffffff;
  --line:       rgba(20, 18, 15, 0.1);
  --line-strong:rgba(20, 18, 15, 0.22);
  --text:       #17161a;
  --text-soft:  #55565f;
  --text-faint: #94949c;

  --accent:     #c2650f;
  --accent-dim: rgba(194, 101, 15, 0.12);

  --font-sans: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }
::selection { background: var(--accent); color: #1a1206; }

.grain {
  position: fixed;
  inset: -50%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.025;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Barre supérieure : liens texte, pas de boutons ────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  padding: 2rem 1.6rem;
  font-family: var(--font-mono);
}

.topbar__links { display: flex; align-items: center; gap: 1.6rem; }

.topbar__link {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.topbar__link:hover { color: var(--text); border-color: var(--text-faint); }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.lang-toggle button {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-faint);
  cursor: pointer;
  transition: color 0.3s var(--ease);
}
.lang-toggle button.is-active { color: var(--text); font-weight: 500; }
.lang-toggle button:not(.is-active):hover { color: var(--text-soft); }
.lang-toggle__sep { color: var(--line-strong); font-size: 0.72rem; }

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  max-width: 640px;
  margin-inline: auto;
  padding: clamp(3.75rem, 10vw, 7rem) 1.5rem 6rem;
}

.timeline__intro {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  opacity: 0;
  transform: translateY(14px);
  animation: introIn 0.7s var(--ease) forwards;
}
@keyframes introIn { to { opacity: 1; transform: none; } }

.timeline__intro h1 {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 8vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.timeline__intro .pitch {
  margin-top: 1.4rem;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 48ch;
}

.timeline__intro .role-cycle {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--accent);
  white-space: nowrap;
}
.timeline__intro .role-cycle::after {
  content: '_';
  margin-left: 0.15em;
  animation: cursorBlink 1s step-end infinite;
}
@keyframes cursorBlink { 50% { opacity: 0; } }

.profile-meta { margin-top: 1.75rem; }
.profile-meta__title {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  letter-spacing: -0.005em;
}
.profile-meta__location {
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
  color: var(--text-faint);
}

/* ── Onglets : Repères / Expertises / Expériences / Technos ── */
.tabs {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-top: 2.5rem;
  padding-top: 1rem;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.tabs__btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  padding-bottom: 0.85rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.tabs__btn:hover { color: var(--text-soft); }
.tabs__btn.is-active { color: var(--text); border-bottom-color: var(--accent); }

.tabs__btn--icon { display: inline-flex; align-items: center; margin-left: auto; }
.tabs__btn--icon svg { width: 15px; height: 15px; }

.tabs__panels { margin-top: 1.85rem; }
.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; }

/* ── Recherche ─────────────────────────────────────────── */
.search__field {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--text-faint);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.search__field:focus-within { border-color: var(--accent); color: var(--accent); }
.search__field svg { width: 16px; height: 16px; flex-shrink: 0; }
.search__input {
  flex: 1;
  border: 0;
  background: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text);
}
.search__input::placeholder { color: var(--text-faint); }

.search__clear {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-faint);
  opacity: 0;
  pointer-events: none;
  transform: scale(0.85);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), color 0.3s var(--ease);
  cursor: pointer;
}
.search__clear.is-visible { opacity: 1; pointer-events: auto; transform: scale(1); }
.search__clear:hover { color: var(--accent); }
.search__clear svg { width: 13px; height: 13px; }

.search__results { margin-top: 1.75rem; }
.search__group + .search__group { margin-top: 1.6rem; }
.search__cat {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  margin-bottom: 0.6rem;
}
.search__list { list-style: none; padding: 0; }
.search__item + .search__item { margin-top: 0.9rem; }
.search__title { font-family: var(--font-sans); font-weight: 600; font-size: 0.9rem; color: var(--text); transition: color 0.3s var(--ease); }
.search__desc { margin-top: 0.2rem; font-size: 0.82rem; color: var(--text-soft); line-height: 1.5; }
.search__hit { color: var(--accent); font-weight: 700; }

.search__item--link { cursor: pointer; margin: -0.3rem -0.4rem; padding: 0.3rem 0.4rem; border-radius: 6px; transition: background 0.3s var(--ease); }
.search__item--link:hover, .search__item--link:focus-visible { background: var(--bg-elev); }
.search__item--link:hover .search__title, .search__item--link:focus-visible .search__title { color: var(--accent); }
.search__item--link:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
.search__empty { font-size: 0.85rem; color: var(--text-faint); }

.search__examples { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; }
.search__examples-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--text-faint);
  margin-right: 0.2rem;
}
.search__example {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-soft);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.search__example:hover { border-color: var(--accent); color: var(--accent); }

/* ── Expertises : liste massive, survolable ───────────── */
.expertise__list {
  display: flex;
  flex-wrap: wrap;
  column-gap: 1.1rem;
  row-gap: 0.1rem;
}
.expertise__word {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  cursor: default;
  transition: color 0.35s var(--ease), opacity 0.35s var(--ease);
}
.expertise__list:hover .expertise__word { color: var(--text-faint); }
.expertise__list .expertise__word:hover { color: var(--accent); }

/* ── Technos : regroupées par catégorie ───────────────── */
.tech__group + .tech__group { margin-top: 1.6rem; }
.tech__cat {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  margin-bottom: 0.55rem;
}
.tech__list { column-gap: 0.85rem; row-gap: 0.3rem; }
.tech__word {
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  color: var(--text-soft);
}

/* ── Repères : preuves publiques concrètes ────────────── */
.notable__list { margin-top: 0.6rem; list-style: none; padding: 0; }
.notable__item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}
.notable__item + .notable__item { margin-top: 1.6rem; }

.notable__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--text-faint);
}
.notable__icon svg { width: 100%; height: 100%; }
.notable__emoji { font-size: 1.05rem; line-height: 1; }

.notable__title {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  transition: color 0.3s var(--ease);
}
a.notable__title:hover { color: var(--accent); }
.notable__arrow {
  font-size: 0.75em;
  color: var(--text-faint);
}
.notable__period {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: var(--text-faint);
}

.notable__desc {
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.55;
  max-width: 52ch;
}

/* ── Bouton : développer / replier toutes les expériences ── */
.timeline__expand-all {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.9rem auto;
  color: var(--text-faint);
  cursor: pointer;
  transition: color 0.3s var(--ease);
}
.timeline__expand-all:hover { color: var(--accent); }
.timeline__expand-all-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.timeline__expand-all-icon { display: flex; }
.timeline__expand-all-icon svg { width: 13px; height: 13px; }

.timeline__item {
  opacity: 0;
  transform: translateY(14px);
  animation: introIn 0.7s var(--ease) forwards;
}
.timeline__item + .timeline__item { margin-top: 0.4rem; }

.timeline__head {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  cursor: pointer;
  text-align: left;
}
.timeline__head-left { display: flex; align-items: flex-start; gap: 0.9rem; min-width: 0; }

.timeline__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  margin-top: 0.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-soft);
  transition: border-color 0.3s var(--ease);
}
.timeline__item--current .timeline__logo { border-color: var(--accent); color: var(--accent); }

/* Logos réels : même gabarit carré pour tous, quel que soit leur format d'origine */
.timeline__logo.has-logo {
  width: 34px;
  height: 34px;
  border-color: transparent;
  justify-content: center;
}
.timeline__logo.has-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: grayscale(1);
  mix-blend-mode: multiply;
  opacity: 0.8;
  transition: opacity 0.3s var(--ease);
}
.timeline__head:hover .timeline__logo.has-logo img { opacity: 1; }

.timeline__role {
  display: block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  letter-spacing: -0.01em;
  line-height: 1.25;
  transition: color 0.3s var(--ease);
}
.timeline__head:hover .timeline__role { color: var(--accent); }
.timeline__company {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.3rem;
}
.timeline__company-name {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--accent);
}
.timeline__company-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--text-faint);
}
.timeline__company-type::before { content: '· '; }

.timeline__yc {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.timeline__yc-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--text-faint);
}
.timeline__yc img {
  height: 1.3rem;
  width: auto;
  opacity: 0.92;
  transition: opacity 0.3s var(--ease);
}
.timeline__head:hover .timeline__yc img { opacity: 1; }
.timeline__meta {
  display: flex;
  align-items: baseline;
  margin-top: 0.3rem;
  flex-shrink: 0;
}
.timeline__period {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
}

.timeline__chevron {
  width: 9px; height: 9px;
  border-right: 1.5px solid var(--text-faint);
  border-bottom: 1.5px solid var(--text-faint);
  transform: rotate(-45deg);
  transition: transform 0.4s var(--ease), border-color 0.3s var(--ease);
  flex-shrink: 0;
  margin-left: 0.5rem;
}
.timeline__head:hover .timeline__chevron { border-color: var(--accent); transform: rotate(-45deg) translate(1px, -1px); }
.timeline__item.is-open .timeline__chevron {
  transform: rotate(45deg);
  border-color: var(--accent);
}

.timeline__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease);
}
.timeline__item.is-open .timeline__body { max-height: 640px; }
.timeline__body-inner { padding: 0 0 1.8rem 1.15rem; border-left: 1px solid var(--line); margin-left: 3px; }

.field { margin-top: 1.3rem; }
.field:first-child { margin-top: 0.4rem; }
.field-label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  margin-bottom: 0.4rem;
}
.field-value { font-size: 0.92rem; color: var(--text-soft); line-height: 1.65; }
.field-value.is-mono { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text); line-height: 1.6; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 560px) {
  .expertise__list { column-gap: 0.8rem; }
}

@media (max-width: 480px) {
  .topbar { padding: 1rem 1.1rem; }
  .timeline { padding-inline: 1.1rem; }
  .timeline__head { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
  .timeline__period { order: -1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .timeline__intro, .timeline__item { opacity: 1; transform: none; }
}