@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@300;400&display=swap');

@font-face {
  font-family: 'Acumin';
  src: local('Acumin Variable Concept'),
       local('Acumin Pro'),
       local('Acumin');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   SAT-ellites — CSS global unifié
   Fichier unique pour l'ensemble des pages du site.
   Fusionne : global.css + global_palette-sat.css + index.css
   ============================================================ */

:root {
  /* Polices */
  --font-title: 'Oswald', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'Acumin', Arial, Helvetica, sans-serif;

  /* Palette SAT */
  --sat-accent-orange: #c66d54;
  --sat-accent-green: #b4d670;
  --sat-accent-mauve: #a57c9d;
  --sat-gradient-rainbow-button: linear-gradient(135deg, var(--sat-accent-orange) 0%, var(--sat-accent-orange) 28%, var(--sat-accent-green) 54%, var(--sat-accent-mauve) 100%);
  --sat-gradient-rainbow-soft: linear-gradient(135deg, rgba(198,109,84,.28) 0%, rgba(180,214,112,.22) 52%, rgba(165,124,157,.28) 100%);

  /* Couleurs de base du site */
  --bg: #ffffff;
  --ink: #111111;
  --muted: #5f5f5f;
  --line: #ebebeb;
  --soft: #f7f6f2;
  --warm: #fbfaf7;
  --panel: #ffffff;
  --dark: #121212;
}

/* --- Reset & base --- */
* { box-sizing: border-box }
html { scroll-behavior: smooth }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}
a { color: inherit; text-decoration: none }
img { max-width: 100%; display: block }

/* --- Typographie titres --- */
h1, h2,
.hero h1,
.section-head h2,
.intro-text h2,
.portrait-intro h2,
.contact-name,
.methodology h2,
.reader-copy h1,
.reader-copy h2 {
  font-family: var(--font-title);
}

/* --- Topbar --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.home .topbar {
  position: fixed;
  left: 0; right: 0;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
}
.topbar .wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: #111;
}
.nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: #111;
  flex-wrap: wrap;
}
.nav a.active {
  color: #111;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 6px;
}

/* Topbar sticky (legacy class, now default) */
.topbar.is-sticky {
  z-index: 900;
}

/* Topbar solide au scroll (home) */
.topbar.is-solid {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 4px 20px rgba(0,0,0,.04);
}

/* Home-specific overrides */
.home .brand,
.home .nav a { color: #111; text-shadow: none }
.home .nav a.active { color: #111; border-bottom-color: #111 }
.home .kicker { color: #6c6458 }

/* --- Page wrapper --- */
.page {
  max-width: none;
  margin: 0 auto;
  padding: 0 0 90px;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  margin: 0 0 88px;
  display: flex;
  align-items: flex-end;
  background: #ddd center/cover no-repeat;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.22), rgba(0,0,0,.04) 42%, rgba(0,0,0,.08));
}
.hero-card {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,.96);
  padding: 34px 40px;
  max-width: 620px;
  margin: 0 0 10vh 7vw;
  box-shadow: 0 24px 80px rgba(0,0,0,.10);
}
.kicker {
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #7a746d;
  margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--font-title);
  font-size: 100px;
  line-height: .88;
  font-weight: 300;
  margin: 0 0 18px;
  letter-spacing: -.04em;
}
.hero p {
  font-size: 30px;
  line-height: 1.28;
  color: #2f2f2f;
  max-width: 20em;
}

/* --- Buttons --- */
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px }
.btn {
  display: inline-block;
  padding: 13px 18px;
  border: 1px solid var(--ink);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  background: #fff;
}
.btn.fill { background: var(--ink); color: #ffffff }

/* --- Sections --- */
.section { padding: 18px 0 64px }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-bottom: 36px;
}
.section-head h2 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 64px;
  font-weight: 300;
  letter-spacing: -.03em;
}
.section-head .note { color: var(--muted); font-size: 14px }

/* --- Publications list --- */
.list { display: grid; gap: 44px }
.pub {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 34px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(0,0,0,.04);
}
.cover {
  background: #efeae0;
  padding: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.05);
}
.meta {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.pub h3 { font-size: 38px; line-height: 1.05; font-weight: 400; margin: 0 0 12px }
.pub p { font-size: 18px; line-height: 1.6; color: #4a4945; margin: 0 0 16px; max-width: 44em }

/* --- Grid / Cards --- */
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px }
.card { background: var(--panel); padding: 18px; border: 1px solid rgba(0,0,0,.05) }
.card h3 { font-size: 28px; font-weight: 400; margin: 14px 0 10px }
.card p { color: #4a4945; line-height: 1.6; font-size: 17px }

/* --- Quote --- */
.quote {
  padding: 80px 0 30px;
  max-width: 980px;
  margin: 0 auto;
  font-size: 42px;
  line-height: 1.18;
  font-style: italic;
}
.quote small {
  display: block;
  font-size: 16px;
  font-style: normal;
  color: var(--muted);
  margin-top: 24px;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 60px;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* --- Reader --- */
.reader-hero {
  display: grid;
  grid-template-columns: minmax(260px,340px) 1fr;
  gap: 48px;
  align-items: end;
  padding: 40px 0 50px;
}
.reader-hero h1 { font-size: 62px; line-height: .98; font-weight: 400; margin: 0 0 14px }
.reader-hero p { font-size: 21px; line-height: 1.55; color: #494844 }
.reader-nav { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px }
.pages { display: grid; gap: 26px }
.pageimg { background: #ebe7de; padding: 14px }
.pageimg img { width: 100%; height: auto }
.tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

/* --- Logo band (partenaires) --- */
.logo-band {
  background: #fff;
  border-top: 1px solid #ebebeb;
  padding: 28px 32px 34px;
  margin-top: 0;
}
.logo-band-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(7, minmax(0,1fr));
  gap: 18px;
  align-items: center;
}
.logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid rgba(0,0,0,.06);
  transition: transform .18s ease, box-shadow .18s ease;
}
.logo-link:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.06) }
.logo-link img { max-width: 100%; max-height: 58px; width: auto; height: auto; object-fit: contain }
.logo-link.logo-avesnoise img { transform: scale(1.3) }
.logo-link.logo-hdn img { transform: scale(1.5) }

/* --- Home contact --- */
.home-contact { max-width: 1320px; margin: 0 auto 34px; padding: 0 32px }
.home-contact-inner {
  border-top: 1px solid #ebebeb;
  border-bottom: 1px solid #ebebeb;
  padding: 22px 0;
  display: grid;
  grid-template-columns: minmax(260px,.9fr) minmax(320px,1.1fr);
  gap: 28px;
  align-items: center;
}
.home-contact .kicker { margin-bottom: 8px }
.home-contact h2 {
  font-family: var(--font-title);
  font-weight: 300;
  font-size: 34px;
  line-height: 1;
  margin: 0 0 8px;
  letter-spacing: -.03em;
}
.home-contact p { font-size: 15px; line-height: 1.55; color: #4a4945; margin: 0; max-width: 42em }
.home-contact-links {
  display: flex;
  gap: 10px 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}
.home-contact-links a {
  font-size: 14px;
  border-bottom: 1px solid rgba(0,0,0,.18);
  padding-bottom: 3px;
  color: #111;
}
.home-contact-links a:hover { border-color: #111 }
.home-contact-meta {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #777;
  margin-top: 10px;
}

/* --- Cadre institutionnel (Pacte SAT) --- */
.institutional-block {
  max-width: 1320px;
  margin: 0 auto 62px;
  padding: 34px 36px 36px;
  border: 1px solid rgba(0,0,0,.08);
  background: linear-gradient(135deg, #fff 0%, #fbfaf7 100%);
  box-shadow: 0 18px 60px rgba(0,0,0,.045);
}
.institutional-grid {
  display: grid;
  grid-template-columns: minmax(280px,.95fr) minmax(0,1.35fr);
  gap: 42px;
  align-items: start;
}
.institutional-block h2 {
  font-family: var(--font-title);
  font-size: 54px;
  line-height: 1;
  font-weight: 300;
  letter-spacing: -.03em;
  margin: 0 0 16px;
  color: #111;
}
.institutional-block p { font-size: 18px; line-height: 1.56; color: #403f3b; margin: 0 0 14px; max-width: 45em }
.institutional-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: 22px }
.institutional-actions .btn { background: #111; color: #fff }
.institutional-actions .btn.secondary { background: #fff; color: #111 }
.institutional-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; align-items: stretch }
.institutional-logo-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  min-height: 188px;
  padding: 20px 18px 18px;
  border: 1px solid rgba(0,0,0,.08);
  background: #fff;
  transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
}
.institutional-logo-btn:hover {
  box-shadow: 0 16px 42px rgba(0,0,0,.07);
  border-color: rgba(0,0,0,.16);
  transform: translateY(-2px);
}
.institutional-logo-btn img { width: 100%; height: 86px; object-fit: contain; object-position: left center; filter: saturate(.92) }
.institutional-logo-btn span { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: #555; line-height: 1.35 }
.institutional-logo-btn strong { display: block; margin-top: 6px; font-size: 15px; letter-spacing: 0; text-transform: none; color: #111; font-weight: 500; line-height: 1.28 }

/* --- Page intro --- */
.page-intro {
  margin: -28px 0 64px;
  padding: 8px 0 34px;
  border-bottom: 1px solid rgba(0,0,0,.10);
  background: #fff;
}
.page-intro p { max-width: 980px; margin: 0; font-size: 20px; line-height: 1.62; color: #111 }

/* --- SAT+ Intro --- */
.satplus-intro { position: relative; margin: -28px 0 64px; padding: 8px 0 34px; border-bottom: 1px solid rgba(0,0,0,.10); background: #fff; overflow: hidden }
.satplus-intro::before { content: '' }
.satplus-intro-grid { position: relative; z-index: 1; display: block }
.satplus-intro-mark { font-family: var(--font-title); font-size: 64px; line-height: 1; font-weight: 300; letter-spacing: -.03em; color: #111; margin: 0 0 2px }
.satplus-intro .kicker { margin-bottom: 26px; color: #7a746d }
.satplus-intro h2 { font-family: var(--font-title); max-width: 1120px; margin: 0 0 24px; font-size: 36px; line-height: 1.12; font-weight: 400; letter-spacing: -.025em; color: #111 }
.satplus-intro-body { display: block; max-width: 1120px }
.satplus-intro-text p { font-size: 19px; line-height: 1.62; color: #111; margin: 0 0 15px; max-width: 68em }
.satplus-intro-fields { border-left: 0; padding-left: 0; margin-top: 18px }
.satplus-intro-fields p { font-size: 18px; line-height: 1.55; color: #111; margin: 0 0 14px; max-width: 68em }
.satplus-field-list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-size: 16px; letter-spacing: 0; text-transform: none; color: #111; margin-top: 4px }
.satplus-field-list span { display: inline-flex; align-items: center }
.satplus-field-list .satplus-field-sep { color: #9a958c; letter-spacing: 0 }
.satplus-publications-lead { max-width: 1120px; margin: 22px 0 0; font-size: 19px; line-height: 1.62; color: #3f3e3a; font-style: italic }

/* --- Resource page intro --- */
.resource-page-intro { max-width: 1320px; margin: -28px auto 56px; padding-left: 32px; padding-right: 32px }
.resource-page-intro p { max-width: 1120px }

/* --- Navigation mobile (burger CSS-only) --- */
.nav-checkbox,
.nav-toggle { display: none }
@media (max-width:900px) {
  .topbar .wrap {
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 16px !important;
  }
  .nav-checkbox {
    position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none;
  }
  .nav-toggle {
    display: inline-flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px; height: 44px;
    margin-left: auto;
    border: 1px solid rgba(0,0,0,.14);
    border-radius: 999px;
    background: rgba(255,255,255,.86);
    color: #111;
    cursor: pointer;
    z-index: 3;
    -webkit-tap-highlight-color: transparent;
  }
  .nav-toggle span {
    display: block; width: 18px; height: 1px;
    background: currentColor;
    transition: transform .18s ease, opacity .18s ease;
  }
  .nav-checkbox:checked + .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg) }
  .nav-checkbox:checked + .nav-toggle span:nth-child(2) { opacity: 0 }
  .nav-checkbox:checked + .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg) }
  .topbar .nav {
    display: none !important;
    position: absolute !important;
    top: calc(100% - 8px) !important;
    left: 18px !important; right: 18px !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0 !important;
    padding: 14px 18px 16px !important;
    background: rgba(255,255,255,.96) !important;
    border: 1px solid rgba(0,0,0,.08) !important;
    box-shadow: 0 18px 50px rgba(0,0,0,.12) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    color: #111 !important;
    z-index: 2 !important;
  }
  .nav-checkbox:checked ~ .nav { display: flex !important }
  .topbar .nav a {
    width: 100%;
    padding: 12px 0 !important;
    border-bottom: 1px solid rgba(0,0,0,.06) !important;
    text-shadow: none !important;
  }
  .topbar .nav a:last-child { border-bottom: 0 !important }
  .topbar .nav a.active {
    border-bottom: 1px solid rgba(0,0,0,.18) !important;
    font-weight: 600;
  }
}
@media (max-width:520px) {
  .topbar .wrap { padding-left: 18px !important; padding-right: 18px !important }
  .brand { font-size: 13px !important; letter-spacing: .08em !important; max-width: calc(100% - 62px) }
}

/* --- Back-to-top --- */
.back-to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 80;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.86);
  color: #111;
  font-family: var(--font-body);
  font-size: 24px;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  backdrop-filter: blur(10px);
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  transform: translateY(-2px);
  background: #fff;
  border-color: rgba(0,0,0,.24);
  box-shadow: 0 14px 38px rgba(0,0,0,.12);
}

/* --- Responsive global --- */
@media (max-width:900px) {
  .hero { min-height: 440px }
  .hero-card { margin: 24px; max-width: none }
  .hero h1 { font-size: 54px }
  .pub { grid-template-columns: 1fr }
  .reader-hero { grid-template-columns: 1fr }
  .grid3 { grid-template-columns: 1fr }
  .institutional-block { margin: 0 22px 48px; padding: 26px 22px }
  .institutional-grid { grid-template-columns: 1fr; gap: 28px }
  .institutional-block h2 { font-size: 42px }
  .institutional-links { grid-template-columns: 1fr }
  .institutional-logo-btn { min-height: 0 }
  .institutional-logo-btn img { height: 72px }
  .page-intro { margin: -34px 0 54px; padding: 4px 0 28px }
  .page-intro p { font-size: 17px }
  .satplus-intro { margin: -34px 0 54px; padding: 4px 0 28px }
  .satplus-intro-mark { font-size: 54px }
  .satplus-intro h2 { font-size: 32px }
  .satplus-intro-text p, .satplus-publications-lead { font-size: 17px }
  .satplus-intro-fields { border-top: 1px solid rgba(0,0,0,.12); padding-top: 20px }
  .satplus-field-list { gap: 8px 10px; font-size: 15px }
  .resource-page-intro { margin: -24px auto 46px; padding-left: 22px; padding-right: 22px }
}
@media (max-width:1100px) {
  .logo-band-inner { grid-template-columns: repeat(4, minmax(0,1fr)) }
}
@media (max-width:800px) {
  .home-contact { padding: 0 18px }
  .home-contact-inner { grid-template-columns: 1fr }
  .home-contact-links { justify-content: flex-start }
  .home-contact h2 { font-size: 30px }
}
@media (max-width:700px) {
  .logo-band { padding: 22px 18px 26px }
  .logo-band-inner { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px }
  .logo-link { height: 84px; padding: 12px }
  .logo-link img { max-height: 46px }
  .back-to-top { right: 16px; bottom: 16px; width: 40px; height: 40px; font-size: 22px }
}
@media (max-width:520px) {
  .satplus-field-list { gap: 7px 9px }
}

/* Auth nav elements */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-user { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted) }
.nav-auth-link { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink) }
.nav-logout-form { display: inline }
.nav-logout-btn { background: none; border: 1px solid var(--line); color: var(--ink); padding: 6px 10px; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; cursor: pointer; font-family: inherit }
.nav-logout-btn:hover { background: var(--ink); color: #fff; border-color: var(--ink) }

/* --- Atlas / resource pages (shared) --- */
.atlas-page { max-width: none; margin: 0; padding: 0 0 80px }

.resource-hero {
  position: relative;
  min-height: 82vh;
  margin: 0 0 42px;
  display: flex;
  align-items: flex-end;
  background: #ddd center/cover no-repeat;
}
.resource-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.22), rgba(0,0,0,.04) 42%, rgba(0,0,0,.08));
}
.resource-hero-card {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,.96);
  padding: 34px 40px;
  max-width: 620px;
  margin: 0 0 7vh 7vw;
  box-shadow: 0 24px 80px rgba(0,0,0,.10);
}
.resource-hero-card h1 {
  font-family: var(--font-title);
  font-size: 100px;
  line-height: .88;
  font-weight: 300;
  margin: 0 0 18px;
  letter-spacing: -.04em;
  color: #111;
}
.resource-hero-card p {
  font-size: 30px;
  line-height: 1.28;
  color: #2f2f2f;
  max-width: 20em;
  margin: 0;
}
@media (max-width:900px) {
  .resource-hero { min-height: 440px; margin-bottom: 34px }
  .resource-hero-card { margin: 24px; max-width: none }
  .resource-hero-card h1 { font-size: 54px }
  .resource-hero-card p { font-size: 22px }
}