/* =======================================================
   global.css — Styles partagés par toutes les pages
   ======================================================= */


/* -------------------------------------------------------
   VARIABLES — Palette & typographie
   ------------------------------------------------------- */
:root {
  /* Fonds */
  --bg:        #0d1117;
  --surface:   #161b27;
  --card:      #1c2333;
  --card-hov:  #21293d;

  /* Bordures */
  --border:    rgba(255,255,255,0.07);
  --border2:   rgba(255,255,255,0.12);

  /* Textes */
  --text:      #e6edf3;
  --text-2:    #8b949e;
  --muted:     #484f58;

  /* Couleurs d'accent */
  --indigo:    #6e9fff;
  --teal:      #39d353;
  --amber:     #f0a845;
  --rose:      #f47067;

  /* Typographie */
  --font-h:    'Lora', serif;
  --font-b:    'Manrope', sans-serif;
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
}


/* -------------------------------------------------------
   RESET & BASE
   ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  font-weight: 400;
  overflow-x: hidden;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }


/* -------------------------------------------------------
   HEADER — fixe, commun à toutes les pages
   ------------------------------------------------------- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4rem;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 300;
}

.logo {
  font-family: var(--font-b);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
/* Partie colorée du logo (le NOM) */
.logo span { color: var(--indigo); }

/* Navigation horizontale */
nav.top { display: flex; gap: 2rem; }
nav.top a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color .2s;
  padding-bottom: 2px;
  position: relative;
}
/* Soulignement animé */
nav.top a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--indigo);
  transition: width .25s var(--ease);
}
nav.top a:hover,
nav.top a.active { color: var(--text); }
nav.top a:hover::after,
nav.top a.active::after { width: 100%; }


/* -------------------------------------------------------
   MISE EN PAGE — conteneur & section générique
   ------------------------------------------------------- */
.page-wrapper {
  padding-top: 60px; /* compense le header fixe */
  min-height: 100vh;
}

.inner {
  width: 100%;
  padding: 5rem 4rem;
  text-align: left;
}

/* Étiquette de rubrique */
.s-label {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.s-label::before {
  content: '';
  display: inline-block;
  width: 20px; height: 1px;
  background: var(--indigo);
}

/* Titres h2 */
h2 {
  font-family: var(--font-h);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
  text-align: left;
}

h2 em {
  font-style: italic;
  font-weight: 400;
  color: var(--indigo);
}

/* Paragraphes courants */
p.prose {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 1.4rem;
}

/* Boutons communs */
.btn-row { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.btn {
  font-family: var(--font-b);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.8rem 1.6rem;
  border-radius: 6px;
  transition: all .22s var(--ease);
  display: inline-block;
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--indigo); color: #0d1117; }
.btn-primary:hover { background: #8ab4ff; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(110,159,255,0.3); }
.btn-ghost { background: transparent; color: var(--text-2); border: 1px solid var(--border2); }
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.25); }


/* -------------------------------------------------------
   FOOTER
   ------------------------------------------------------- */
footer {
  padding: 1.8rem 8vw;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: auto;
}


/* -------------------------------------------------------
   ANIMATIONS D'ENTRÉE AU SCROLL
   ------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

.stagger > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.stagger.in > *:nth-child(1) { opacity:1; transform:none; transition-delay:.00s }
.stagger.in > *:nth-child(2) { opacity:1; transform:none; transition-delay:.07s }
.stagger.in > *:nth-child(3) { opacity:1; transform:none; transition-delay:.14s }
.stagger.in > *:nth-child(4) { opacity:1; transform:none; transition-delay:.21s }
.stagger.in > *:nth-child(5) { opacity:1; transform:none; transition-delay:.28s }
.stagger.in > *:nth-child(6) { opacity:1; transform:none; transition-delay:.35s }


/* -------------------------------------------------------
   RESPONSIVE — règles communes
   ------------------------------------------------------- */
@media (max-width: 900px) {
  header { padding: 0 1.5rem; }
  .inner { padding: 3rem 5vw; }
}
@media (max-width: 560px) {
  nav.top { display: none; }
}