/* ===========================================================
   DEBUNK'ONOMY — Design System
   Charte typographique & composants partagés
   =========================================================== */

:root {
  /* Couleurs */
  --ink-deep:    #0D2E31;
  --ink:         #1C5A60;
  --teal:        #4A8B92;
  --mint:        #A8EAEA;
  --mint-soft:   #C9F0EE;
  --cream:       #F4EDE0;
  --cream-deep:  #E8DCC4;
  --sand:        #D9C9A3;
  --rust:        #B5553C;
  --ochre:       #C9933A;

  /* Largeurs */
  --maxw: 1360px;
  --readw: 680px;
  --pagew: 920px;

  /* Typographies */
  --ff-display: "Fraunces", "Times New Roman", serif;
  --ff-serif:   "Instrument Serif", "Times New Roman", serif;
  --ff-sans:    "Instrument Sans", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===== RESET & BASE ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-sans);
  color: var(--ink-deep);
  background: var(--cream);
  line-height: 1.5;
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv11", "kern";
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ===== NAV PRINCIPALE (pour /index.html) ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 40px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(28, 90, 96, 0.0);
  backdrop-filter: blur(0px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}
.nav.scrolled {
  background: rgba(13, 46, 49, 0.88);
  backdrop-filter: blur(14px);
  padding: 12px 40px;
  border-bottom: 1px solid rgba(168, 234, 234, 0.12);
}
.nav__brand {
  display: flex; align-items: center;
  transition: opacity 0.2s;
}
.nav__brand:hover { opacity: 0.85; }
.nav__brand img { height: 54px; width: auto; display: block; }
.nav__links {
  display: flex; gap: 32px; align-items: center;
  font-family: var(--ff-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mint);
}
.nav__links a { position: relative; padding-bottom: 4px; transition: color 0.2s; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--mint); transition: width 0.3s;
}
.nav__links a:hover::after { width: 100%; }
.nav__cta {
  padding: 10px 20px;
  border: 1px solid var(--mint);
  color: var(--mint);
  border-radius: 999px;
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  transition: all 0.3s;
}
.nav__cta:hover { background: var(--mint); color: var(--ink); }

/* ===== NAV INTERNE PAGES (sticky, fond crème) ===== */
.inav {
  position: sticky; top: 0; z-index: 50;
  padding: 16px 28px;
  background: rgba(244, 237, 224, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(13, 46, 49, 0.08);
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
}
.inav__brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-deep);
  font-family: var(--ff-display);
  font-variation-settings: "opsz" 48, "SOFT" 40;
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.inav__brand img { height: 32px; width: auto; }
.inav__brand span { display: inline-block; }
.inav__links {
  display: flex; gap: 24px; align-items: center;
  font-family: var(--ff-sans);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink);
}
.inav__links a { transition: color 0.2s; padding-bottom: 2px; border-bottom: 1px solid transparent; }
.inav__links a:hover { color: var(--ink-deep); border-bottom-color: var(--ink); }
.inav__links a.current { color: var(--ink-deep); border-bottom-color: var(--rust); }

/* ===== BOUTONS GÉNÉRIQUES ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  font-family: var(--ff-sans); font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 999px;
  transition: all 0.3s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary { background: var(--mint); color: var(--ink); }
.btn--primary:hover { background: var(--mint-soft); transform: translateY(-2px); }
.btn--ghost { border-color: var(--mint); color: var(--mint); }
.btn--ghost:hover { background: rgba(168, 234, 234, 0.08); }
.btn--ghost-dark { border-color: var(--ink); color: var(--ink); }
.btn--ghost-dark:hover { background: rgba(28, 90, 96, 0.08); }
.btn--solid-dark { background: var(--ink-deep); color: var(--mint); }
.btn--solid-dark:hover { background: var(--ink); }
.btn__arrow { transition: transform 0.3s; display: inline-block; }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ===== EYEBROW ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--ff-sans);
  font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 32px;
}
.eyebrow::before {
  content: ""; display: block; width: 50px; height: 1px; background: var(--teal); opacity: 0.5;
}
.eyebrow--mint { color: var(--mint); }
.eyebrow--mint::before { background: var(--mint); }

/* ===== PAGE GENERIC HEADER ===== */
.page {
  background: var(--cream);
  padding: 80px 28px 100px;
}
.page__header {
  max-width: var(--pagew); margin: 0 auto 60px;
}
.page__title {
  font-family: var(--ff-display);
  font-variation-settings: "opsz" 144, "SOFT" 35;
  font-weight: 350;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink-deep);
  margin-bottom: 32px;
  max-width: 22ch;
}
.page__title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  color: var(--ink);
}
.page__lede {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45;
  color: var(--ink);
  max-width: 52ch;
  margin-top: 30px;
}
.page__inner {
  max-width: var(--pagew); margin: 0 auto;
}
.page__prose {
  max-width: var(--readw); margin: 0 auto;
  font-family: var(--ff-display);
  font-variation-settings: "opsz" 16, "SOFT" 55;
  font-weight: 400;
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink-deep);
}
.page__prose p { margin-bottom: 1.5em; }
.page__prose em {
  font-style: italic;
  font-variation-settings: "opsz" 16, "SOFT" 80, "WONK" 1;
}
.page__prose h2 {
  font-family: var(--ff-display);
  font-variation-settings: "opsz" 72, "SOFT" 40;
  font-weight: 400;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
  margin-top: 2.2em;
  margin-bottom: 1em;
  padding-top: 1em;
  position: relative;
}
.page__prose h2::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 60px; height: 1px;
  background: var(--teal); opacity: 0.5;
}

/* ===== FOOTER PARTAGÉ ===== */
.footer {
  background: var(--ink-deep);
  color: var(--mint-soft);
  padding: 60px 40px 36px;
  border-top: 1px solid rgba(168, 234, 234, 0.1);
}
.footer__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px;
  margin-bottom: 50px;
}
.footer__brand { max-width: 320px; }
.footer__brand img { height: 48px; margin-bottom: 20px; }
.footer__brand-text {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.55;
  opacity: 0.75;
}
.footer__col h4 {
  font-family: var(--ff-sans);
  font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--mint); opacity: 0.7;
  margin-bottom: 18px;
  font-weight: 500;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  font-family: var(--ff-sans); font-size: 13px;
  opacity: 0.8; transition: opacity 0.2s;
}
.footer__col a:hover { opacity: 1; color: var(--mint); }
.footer__bottom {
  max-width: var(--maxw); margin: 0 auto;
  padding-top: 26px;
  border-top: 1px solid rgba(168, 234, 234, 0.1);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--ff-sans); font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.55;
  flex-wrap: wrap; gap: 12px;
}

/* ===== "SOON" coming soon block ===== */
.soon {
  background: var(--cream-deep);
  border: 1px solid rgba(13, 46, 49, 0.12);
  border-radius: 4px;
  padding: 80px 50px;
  text-align: center;
  max-width: 720px;
  margin: 60px auto;
}
.soon__icon {
  font-family: var(--ff-display);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  font-style: italic;
  font-size: 80px;
  line-height: 1;
  color: var(--teal);
  opacity: 0.6;
  margin-bottom: 28px;
}
.soon__title {
  font-family: var(--ff-display);
  font-variation-settings: "opsz" 72, "SOFT" 40;
  font-weight: 400;
  font-size: 28px;
  line-height: 1.2;
  color: var(--ink-deep);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.soon__text {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 42ch;
  margin: 0 auto 30px;
}
.soon__cta {
  margin-top: 30px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; animation: fadeUp 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }
.reveal.d1 { animation-delay: 0.1s; }
.reveal.d2 { animation-delay: 0.25s; }
.reveal.d3 { animation-delay: 0.4s; }
.reveal.d4 { animation-delay: 0.55s; }
.reveal.d5 { animation-delay: 0.7s; }

/* ===== RESPONSIVE FOOTER + NAV ===== */
@media (max-width: 980px) {
  .nav { padding: 14px 20px; }
  .nav.scrolled { padding: 10px 20px; }
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .inav { padding: 12px 18px; flex-wrap: wrap; }
  .inav__brand { font-size: 15px; }
  .inav__brand img { height: 28px; }
  .inav__links { font-size: 10px; gap: 16px; flex-wrap: wrap; }
  .footer { padding: 50px 20px 30px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .page { padding: 50px 22px 70px; }
  .page__header { margin-bottom: 40px; }
}
@media (max-width: 540px) {
  .footer__inner { grid-template-columns: 1fr; }
  .inav__brand span { display: none; }
}