/* ==========================================================================
   Alexo — Studio web
   Direction : fond encre, grande typographie serif éditoriale, mono pour les
   labels. Monochrome strict — noir, gris, blanc cassé.

   Type   : Instrument Serif (titres) · Inter (texte) · Martian Mono (labels)
   Police du logo à venir : remplacer --font-display une fois reçue.
   ========================================================================== */

:root {
  --ink:        #0a0a0b;   /* fond principal */
  --ink-raised: #121213;   /* surfaces légèrement au-dessus du fond */
  --chalk:      #ededea;   /* texte principal */
  --chalk-dim:  #9c9c98;   /* texte secondaire */
  --chalk-mute: #7d7d7a;   /* légendes, sources — 4.79:1 sur --ink, conforme WCAG AA */
  --rule:       rgba(237, 237, 234, .14);
  --rule-soft:  rgba(237, 237, 234, .07);

  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-body:    "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "Martian Mono", "SFMono-Regular", Consolas, monospace;

  --container: 1180px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--chalk); color: var(--ink); }

/* ---------- typographie ---------- */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: .96;
  letter-spacing: -0.015em;
  margin: 0 0 .34em;
  text-wrap: balance;
}
h1 { font-size: clamp(3rem, 7.2vw, 6.4rem); }
h2 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); }

h3 {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  margin: 0 0 .5em;
}

h1 em, h2 em {
  font-style: italic;
  color: var(--chalk-dim);
}

p { margin: 0 0 1em; color: var(--chalk-dim); }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* Label mono : la signature typographique du site */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .64rem;
  font-weight: 400;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--chalk-mute);
  margin: 0 0 26px;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* ---------- boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  border: 1px solid var(--chalk);
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: color .35s ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .45s var(--ease);
}
.btn:hover::before { transform: scaleY(1); }

.btn-solid { background: var(--chalk); color: var(--ink); }
.btn-solid::before { background: var(--ink); }
.btn-solid:hover { color: var(--chalk); }

.btn-ghost { background: transparent; color: var(--chalk); }
.btn-ghost::before { background: var(--chalk); }
.btn-ghost:hover { color: var(--ink); }

.btn-line {
  border: none;
  border-radius: 0;
  padding: 8px 0;
  border-bottom: 1px solid var(--chalk);
}
.btn-line::before { display: none; }
.btn-line:hover { color: var(--chalk-dim); border-color: var(--chalk-dim); }

.magnetic {
  transform: translate(var(--mx, 0), var(--my, 0));
  transition: transform .4s var(--ease), color .35s ease;
}

/* ---------- barre de navigation ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 11, .8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule-soft);
}
.topbar-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 20px 32px;
}
.nav {
  display: flex;
  gap: 30px;
  margin-left: 56px;
  margin-right: auto;
}
.nav a {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--chalk-dim);
  transition: color .3s ease;
}
.nav a:hover { color: var(--chalk); }
.nav-cta { margin-left: auto; }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.burger span { display: block; height: 1px; background: var(--chalk); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 4px 32px 24px;
  border-bottom: 1px solid var(--rule-soft);
}
.mobile-menu a {
  padding: 15px 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-top: 1px solid var(--rule-soft);
}
.mobile-menu.open { display: flex; }

@media (max-width: 900px) {
  .nav, .nav-cta { display: none; }
  .burger { display: flex; }

  /* Les pages secondaires (CGV, mentions légales) n'ont ni burger ni menu
     déroulant : masquer .nav les priverait de toute navigation. Elles portent
     .topbar-lite et gardent leurs trois liens affichés, en plus compact. */
  .topbar-lite .topbar-row {
    flex-wrap: wrap;
    gap: 10px 20px;
    padding: 16px 32px;
  }
  .topbar-lite .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-left: 0;
    width: 100%;
  }
  .topbar-lite .nav a { font-size: .6rem; letter-spacing: .1em; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 140px 0 110px;
  overflow: hidden;
}
.hero-grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 64px;
  align-items: center;
}
.hero-sub {
  max-width: 44ch;
  font-size: 1.02rem;
  color: var(--chalk-dim);
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 40px; }

/* Entrée orchestrée */
.hero-copy > * {
  opacity: 0;
  transform: translateY(26px);
  animation: rise 1s var(--ease) forwards;
}
.hero-copy > *:nth-child(1) { animation-delay: .08s; }
.hero-copy > *:nth-child(2) { animation-delay: .18s; }
.hero-copy > *:nth-child(3) { animation-delay: .3s; }
.hero-copy > *:nth-child(4) { animation-delay: .42s; }

@keyframes rise { to { opacity: 1; transform: translateY(0); } }

/* Titre révélé ligne par ligne derrière un masque ;
   le padding compense les descendantes qu'overflow:hidden rognerait. */
h1 .line-mask {
  display: block;
  overflow: hidden;
  padding-bottom: .1em;
  margin-bottom: -.1em;
}
h1 .line-inner {
  display: block;
  transform: translateY(105%);
  animation: lineUp 1.15s var(--ease) forwards;
}
h1 .line-mask:nth-child(2) .line-inner { animation-delay: .14s; }
@keyframes lineUp { to { transform: translateY(0); } }

.hero-mark {
  display: flex;
  justify-content: center;
  opacity: 0;
  animation: rise 1.2s var(--ease) .38s forwards;
  perspective: 1000px;
}

/* Fenêtre de navigateur : un site miniature qui se dessine en boucle */
.browser {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--rule);
  background: var(--ink-raised);
  transform-style: preserve-3d;
  transition: transform .5s var(--ease);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule-soft);
}
.browser-bar .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--chalk-mute);
}
.browser-url {
  margin-left: 14px;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .08em;
  color: var(--chalk-mute);
}
.browser-body { padding: 20px; display: flex; flex-direction: column; gap: 20px; }

.bw-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-soft);
}
.bw-logo { width: 42px; height: 8px; background: var(--chalk); }
.bw-links { display: flex; gap: 7px; }
.bw-links i { width: 20px; height: 4px; background: var(--chalk-mute); opacity: .5; }

.bw-hero { display: flex; flex-direction: column; gap: 9px; }
.bw-title { height: 13px; width: 86%; background: var(--chalk); }
.bw-title.short { width: 54%; opacity: .5; }
.bw-text { height: 5px; width: 100%; background: var(--chalk-mute); opacity: .4; margin-top: 5px; }
.bw-text.short { width: 70%; }
.bw-btn { height: 20px; width: 42%; background: var(--chalk); margin-top: 10px; border-radius: 999px; }

.bw-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.bw-cards span { height: 42px; border: 1px solid var(--rule-soft); }

.browser-body > div > *,
.bw-cards span {
  transform-origin: left;
  animation: build 6.5s ease-in-out infinite;
}
.bw-logo { animation-delay: .1s; }
.bw-links { animation-delay: .2s; }
.bw-title { animation-delay: .5s; }
.bw-title.short { animation-delay: .65s; }
.bw-text { animation-delay: .8s; }
.bw-text.short { animation-delay: .9s; }
.bw-btn { animation-delay: 1.1s; }
.bw-cards span:nth-child(1) { animation-delay: 1.35s; }
.bw-cards span:nth-child(2) { animation-delay: 1.5s; }
.bw-cards span:nth-child(3) { animation-delay: 1.65s; }

@keyframes build {
  0%, 4%   { transform: scaleX(0); opacity: 0; }
  14%, 88% { transform: scaleX(1); opacity: 1; }
  100%     { transform: scaleX(1); opacity: 1; }
}

@media (max-width: 900px) {
  .hero { padding: 90px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-mark { order: -1; justify-content: flex-start; }
  .browser { max-width: 320px; }
}

/* ---------- structure des sections ---------- */
.section-pad { padding: 130px 0; border-top: 1px solid var(--rule-soft); }
.section-head { max-width: 680px; margin-bottom: 72px; }
.section-head p { max-width: 52ch; }

/* ---------- pourquoi Alexo ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule-soft);
}
.value-card {
  position: relative;
  padding: 44px 44px 44px 0;
  border-bottom: 1px solid var(--rule-soft);
  transition: padding-left .55s var(--ease);
}
.value-card:nth-child(odd) { border-right: 1px solid var(--rule-soft); }
.value-card:nth-child(even) { padding-left: 44px; }
/* Un filet lumineux se dessine en haut de la carte survolée */
.value-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--chalk);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.value-card:hover::after { transform: scaleX(1); }
.value-card:hover h3 { color: var(--chalk); }
.value-card h3 { color: var(--chalk); margin-bottom: 12px; }
.value-card p { margin: 0; font-size: .95rem; }

@media (max-width: 760px) {
  .value-grid { grid-template-columns: 1fr; }
  .value-card,
  .value-card:nth-child(even) { padding: 36px 0; border-right: none; }
}


/* ---------- qui je suis ---------- */
.about-grid {
  display: grid;
  grid-template-columns: .42fr .58fr;
  gap: 72px;
  align-items: center;
}
.about-portrait { display: flex; flex-direction: column; gap: 18px; }
/* Cadre en attente de la vraie photo : remplacer par <img> une fois fournie */
.portrait-frame {
  aspect-ratio: 4 / 5;
  border: 1px solid var(--rule);
  background: var(--ink-raised);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.portrait-initial {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 1;
  color: var(--rule);
}
.portrait-cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}
.about p { max-width: 54ch; }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .portrait-frame { max-width: 260px; }
}

/* ---------- galerie de réalisations ---------- */
/* Carrousel 3D : les cartes pivotent selon leur distance au centre du rail */
.work-rail {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  padding: 40px 32px 48px;
  scroll-snap-type: x mandatory;
  cursor: grab;
  scrollbar-width: none;
  perspective: 1600px;
  perspective-origin: 50% 50%;
}
.work-rail::-webkit-scrollbar { display: none; }
.work-rail.dragging { cursor: grabbing; scroll-snap-type: none; }

.work-card {
  flex: 0 0 clamp(280px, 34vw, 400px);
  scroll-snap-align: center;
  user-select: none;
  transform-style: preserve-3d;
  /* --rot et --depth sont pilotés par le JS au fil du défilement */
  transform: rotateY(var(--rot, 0deg)) translateZ(var(--depth, 0px));
  transition: transform .35s linear;
}
.wc-screen {
  position: relative;
  border: 1px solid var(--rule);
  background: var(--ink-raised);
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform .5s var(--ease), border-color .6s ease;
}
.work-card:hover .wc-screen { border-color: var(--chalk-dim); }

/* Barre de navigateur au-dessus de la capture */
.wc-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule-soft);
  background: var(--ink);
}
.wc-bar i { width: 5px; height: 5px; border-radius: 50%; background: var(--chalk-mute); }
.wc-url {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: .54rem;
  letter-spacing: .08em;
  color: var(--chalk-mute);
}

.wc-screen img {
  flex: 1;
  width: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: top center;
  display: block;
  filter: saturate(.94);
  transition: transform .7s var(--ease), filter .5s ease;
}
.work-card:hover .wc-screen img { transform: scale(1.035); filter: saturate(1); }

/* Pastille « Voir le site », révélée au survol */
.wc-open {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translate(-50%, 14px) translateZ(40px);
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--chalk);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity .4s ease, transform .5s var(--ease);
  pointer-events: none;
}
.work-card:hover .wc-open { opacity: 1; transform: translate(-50%, 0) translateZ(40px); }

.wc-meta { padding-top: 22px; }
.wc-meta h3 { margin-bottom: 8px; color: var(--chalk); }
.wc-meta p { margin: 0; font-size: .9rem; }

.work-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}

/* ---------- chiffres ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-soft);
}
.stat {
  padding: 44px 32px 44px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--rule-soft);
}
.stat + .stat { padding-left: 32px; border-left: 1px solid var(--rule-soft); }
.stat-num {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 4.6vw, 4.4rem);
  line-height: .9;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--chalk);
}
.stat p { margin: 0; font-size: .92rem; }
.stat cite {
  margin-top: auto;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .56rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--chalk-mute);
  line-height: 1.7;
}
.stat-note {
  margin: 28px 0 0;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}

@media (max-width: 1000px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) {
  .stat-grid { grid-template-columns: 1fr; }
  .stat, .stat + .stat { padding: 32px 0; border-left: none; }
}

/* ---------- déroulé ---------- */
.steps { list-style: none; margin: 0; padding: 0; }
.steps li {
  position: relative;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 32px;
  padding: 38px 0;
  border-top: 1px solid var(--rule-soft);
  transition: padding-left .55s var(--ease);
}
.steps li:last-child { border-bottom: 1px solid var(--rule-soft); }
.steps li::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--chalk);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.steps li:hover::after { transform: scaleX(1); }
.steps li:hover { padding-left: 20px; }
.step-num {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .16em;
  color: var(--chalk-mute);
  padding-top: 4px;
  transition: color .4s ease;
}
.steps li:hover .step-num { color: var(--chalk); }
.steps h3 { margin-bottom: 8px; }
.steps p { margin: 0; max-width: 56ch; }

@media (max-width: 640px) {
  .steps li { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- tarif ---------- */
.price-card {
  max-width: 620px;
  border: 1px solid var(--rule);
  padding: 52px;
}
.price-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 30px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--rule-soft);
}
.price-top h3 {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chalk-mute);
  margin: 0;
}
.price-amount { text-align: right; }
.price-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4rem);
  line-height: .9;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.price-note {
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}
.price-list { list-style: none; margin: 0 0 8px; padding: 0; }
.price-list li {
  padding: 15px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: .94rem;
  color: var(--chalk-dim);
  display: flex;
  gap: 16px;
}
.price-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 1px;
  margin-top: .82em;
  background: var(--chalk-mute);
}
.price-terms {
  margin: 0;
  padding: 26px 0 32px;
  font-size: .85rem;
  color: var(--chalk-mute);
}
.price-terms b { color: var(--chalk-dim); font-weight: 500; }
.price-cta { width: 100%; }

@media (max-width: 640px) { .price-card { padding: 32px 24px; } }

/* ---------- maquette gratuite ---------- */
.lead-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 72px;
  align-items: start;
}
.form { display: flex; flex-direction: column; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
label {
  display: block;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chalk-mute);
  margin-bottom: 10px;
}
input, textarea {
  width: 100%;
  padding: 13px 0;
  border: none;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  font-family: var(--font-body);
  font-size: .96rem;
  color: var(--chalk);
  transition: border-color .35s ease;
}
input::placeholder, textarea::placeholder { color: var(--chalk-mute); opacity: .6; }
input:focus, textarea:focus { outline: none; border-color: var(--chalk); }
textarea { min-height: 110px; resize: vertical; }

.form .btn { align-self: flex-start; margin-top: 10px; }
.form-note {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--chalk-mute);
  min-height: 1.2em;
  margin: 0;
}
.form-note.success { color: var(--chalk); }
.form-note.error { color: #d98a8a; }

@media (max-width: 900px) {
  .lead-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- pages légales / 404 ---------- */
.legal { border-top: none; padding-top: 90px; }
.legal-body { max-width: 68ch; }
.legal-body h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
}
.legal-body a { border-bottom: 1px solid var(--rule); }
.legal-body a:hover { border-color: var(--chalk); }
.legal-body ul { padding-left: 20px; color: var(--chalk-dim); }
.legal-body li { margin-bottom: 10px; }
.legal-body .btn { margin-top: 40px; border-bottom: 1px solid var(--chalk); }
.legal-date {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}

/* ---------- pied de page ---------- */
.site-foot { border-top: 1px solid var(--rule); padding: 72px 0 32px; }
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}
.foot-tag {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}
.foot-contact a {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  border-bottom: 1px solid var(--rule);
  transition: border-color .35s ease;
}
.foot-contact a:hover { border-color: var(--chalk); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--chalk-mute);
}
.foot-bottom a:hover { color: var(--chalk); }

/* ---------- barre de progression ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 1px;
  width: 100%;
  z-index: 100;
  background: transparent;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--chalk);
  transition: width .12s linear;
}

/* ---------- curseur personnalisé ---------- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border: 1px solid var(--chalk);
  border-radius: 50%;
  pointer-events: none;
  z-index: 200;
  transform: translate(-50%, -50%);
  transition: width .3s var(--ease), height .3s var(--ease),
              background .3s ease, opacity .3s ease;
  mix-blend-mode: difference;
  opacity: 0;
}
.cursor.visible { opacity: 1; }
.cursor.grow { width: 60px; height: 60px; background: var(--chalk); }

@media (hover: none), (max-width: 900px) { .cursor { display: none; } }

/* ---------- apparition au scroll, en 3D ----------
   Les blocs se redressent depuis le fond de la scène plutôt que de
   simplement monter : rotation sur l'axe X + recul en profondeur.      */
.reveal {
  opacity: 0;
  transform: perspective(1200px) rotateX(-22deg) translate3d(0, 44px, -120px);
  transform-origin: 50% 0%;
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: transform, opacity;
}
.reveal.in-view {
  opacity: 1;
  transform: perspective(1200px) rotateX(0) translate3d(0, 0, 0);
}

/* ---------- accessibilité clavier ----------
   Anneau de focus accordé à la charte. `:focus-visible` ne se déclenche qu'à
   la navigation clavier : rien ne change pour qui utilise la souris.
   Placé en fin de fichier pour passer devant `input:focus { outline: none }`,
   qui a la même spécificité. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--chalk);
  outline-offset: 3px;
  border-radius: 2px;
}
input:focus-visible, textarea:focus-visible { outline-offset: 1px; }

/* ---------- accessibilité mouvement ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-copy > *, .hero-mark { opacity: 1; transform: none; animation: none; }
  h1 .line-inner { transform: none; animation: none; }
  .browser-body > div > *, .bw-cards span { animation: none; }
  .cursor { display: none; }
  .magnetic { transform: none; }
}