/* ============================================================
   SFOG Campus — thème dédié (bleu), distinct du site principal
   Chargé APRÈS style.css : réutilise .event-card / .btn / .countdown
   pour l'agenda, et redéfinit le reste.
   ============================================================ */
:root {
  --c-green: #34a34f;
  --c-green-dark: #2b8a42;
  --c-navy: #123249;
  --c-blue-bg: #eaf4fb;
  --c-ink: #17324a;
  --c-ink-soft: #4a6070;
  --c-mag: #1e2f6b;
}

body.campus { background: var(--c-blue-bg); color: var(--c-ink); }

.c-container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.c-section { padding: 70px 0; }
.c-h2, .c-about__text h2 { font-size: 22px; font-weight: 600; color: #173a52; margin: 0 0 22px; }
.c-empty { text-align: center; color: var(--c-ink-soft); }
#apropos, #agenda, #lemag, #webinar { scroll-margin-top: 84px; }

/* ---------- Header flottant (barre blanche arrondie sur le hero) ---------- */
.c-header { position: sticky; top: 14px; z-index: 60; padding: 14px 16px 0; background: transparent; }
.c-header__bar {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(15, 45, 70, .18);
}
.c-logo img { height: 42px; width: auto; display: block; }
.c-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.c-nav a { position: relative; color: #3a5266; text-decoration: none; font-weight: 600; font-size: 15px; transition: color .2s ease; }
.c-nav a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: -11px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  transform: translateX(-50%) scale(0);
  transition: transform .2s ease;
}
.c-nav a:hover, .c-nav a.is-active { color: var(--c-green); }
.c-nav a:hover::after, .c-nav a.is-active::after { transform: translateX(-50%) scale(1); }

/* Hamburger sur la barre blanche : traits foncés */
.c-header .nav-toggle { border-color: #d6e7f3; }
.c-header .nav-toggle span { background: var(--c-navy); }
.c-header.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.c-header.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
.c-header.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (démarre en haut, sous le header flottant) ---------- */
.c-hero { position: relative; margin-top: -80px; min-height: 420px; padding-top: 80px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.c-hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.c-hero__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18, 62, 110, .5), rgba(20, 90, 140, .55)); }
.c-hero__mark { position: relative; z-index: 2; width: 230px; max-width: 60%; height: auto; filter: brightness(0) invert(1); opacity: .96; }

/* ---------- Bouton campus ---------- */
.c-btn { display: inline-block; background: var(--c-green); color: #fff; text-decoration: none; font-weight: 600; padding: 11px 26px; border-radius: 8px; transition: background .2s ease, transform .2s ease; }
.c-btn:hover { background: var(--c-green-dark); transform: translateY(-2px); }

/* ---------- À Propos ---------- */
.c-about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.c-about__text p { color: var(--c-ink-soft); line-height: 1.7; margin: 0 0 22px; max-width: 460px; }
.c-about__media { position: relative; padding-bottom: 24%; }
.c-photo { border-radius: 10px; background: #cfe0ee center / cover no-repeat; box-shadow: 0 16px 38px rgba(20, 50, 74, .16); }
.c-photo--1 { width: 72%; aspect-ratio: 4 / 3; }
.c-photo--2 { position: absolute; right: 0; bottom: 0; width: 50%; aspect-ratio: 1 / 1; border: 6px solid #fff; }

/* ---------- Bureau ---------- */
.c-board { background: #fff; }
.c-board__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; max-width: 720px; margin: 0 auto; }
.c-member__photo { height: 240px; border-radius: 4px; background: #d3d8dd center / cover no-repeat; border-bottom: 3px solid var(--c-green); margin-bottom: 14px; }
.c-member h3 { margin: 0; font-size: 15px; font-weight: 600; color: var(--c-ink); }
.c-member p { margin: 3px 0 0; color: #8a97a2; font-style: italic; font-size: 14px; }

/* ---------- Bandeau vert ---------- */
.c-band { height: 240px; background: url('../campus/web/band.jpg') center / cover no-repeat; }

/* ---------- Webinar ---------- */
.c-webinar { background: var(--c-navy); padding: 62px 0; text-align: center; }
.c-webinar__logo { color: #fff; font-weight: 700; letter-spacing: 2px; font-size: 24px; margin-bottom: 28px; }
.c-webinar__logo span { display: block; font-size: 14px; font-weight: 600; letter-spacing: 1px; color: #9fd8ae; margin-top: 6px; }
.c-webinar__embed { max-width: 760px; margin: 0 auto; aspect-ratio: 16 / 9; background: #fff; border-radius: 8px; overflow: hidden; }
.c-webinar__embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.c-webinar__placeholder { display: flex; align-items: center; justify-content: center; height: 100%; color: #8aa0b2; font-size: 14px; padding: 20px; text-align: center; }

/* ---------- Agenda : cartes (jour/mois + barre dégradée + infos) ---------- */
#agenda { background: #fff; }
.c-agenda { display: flex; flex-direction: column; gap: 16px; max-width: 560px; }
.c-ag-item { display: flex; align-items: center; gap: 24px; background: #e6f3fb; border-radius: 14px; padding: 22px 28px; }
.c-ag-cal { text-align: center; flex: 0 0 58px; }
.c-ag-day { display: block; font-size: 42px; font-weight: 700; line-height: 1; color: #14324a; letter-spacing: -1px; }
.c-ag-month { display: block; font-size: 17px; color: #14324a; margin-top: 2px; }
.c-ag-bar { flex: 0 0 5px; align-self: stretch; min-height: 54px; border-radius: 3px; background: linear-gradient(180deg, #3fae5a 0%, #2aa6c9 100%); }
.c-ag-title { margin: 0 0 4px; font-size: 18px; font-weight: 600; line-height: 1.25; color: #14324a; }
.c-ag-place { font-size: 17px; color: #52708a; }
@media (max-width: 600px) { .c-ag-item { gap: 16px; padding: 18px 20px; } .c-ag-day { font-size: 34px; } }

/* ---------- Le Mag ---------- */
.c-mag { background: #faf6ec; }
.c-mag__logo-img { display: block; height: 64px; width: auto; margin: 0 auto 42px; }
.c-mag__logo { text-align: center; font-size: 46px; line-height: 1; margin-bottom: 6px; }
.c-mag__logo .le { font-weight: 400; color: #12324a; }
.c-mag__logo .mag { font-weight: 800; color: #12324a; }
.c-mag__logo .colon { font-weight: 800; color: var(--c-green); margin-left: 3px; }
.c-mag__tag { text-align: center; font-size: 13px; color: #6a7f8e; margin: 0 0 44px; }
.c-mag__tag strong { color: #12324a; }
.c-mag__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 34px; max-width: 1000px; margin: 0 auto; }
/* Couvertures = PNG transparents (mockup avec ombre portée intégrée) :
   pas de fond ni de découpe, l'image porte sa forme et son ombre. */
.c-mag__item { display: block; transition: transform .25s ease; }
.c-mag__item img { display: block; width: 100%; height: auto; }
.c-mag__item:hover { transform: translateY(-6px); }

/* ---------- Bloc « Suivez-nous sur X » ---------- */
.c-xfeed { background: var(--c-blue-bg); }
.c-xfeed__title { text-align: center; }
.c-xembed { max-width: 620px; margin: 26px auto 0; }
.c-xcard {
  display: flex; align-items: center; gap: 20px;
  background: #fff; border: 1px solid #dce8f2; border-radius: 16px;
  padding: 22px 26px; box-shadow: 0 14px 34px rgba(20, 50, 74, .08);
}
.c-xcard__icon {
  width: 52px; height: 52px; flex: 0 0 52px; border-radius: 50%;
  background: #14324a; color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.c-xcard__icon svg { width: 24px; height: 24px; }
.c-xcard__text { flex: 1; min-width: 0; }
.c-xcard__text strong { display: block; font-size: 18px; color: var(--c-ink); }
.c-xcard__text span { font-size: 14px; color: var(--c-ink-soft); }
.c-xcard__btn { flex: 0 0 auto; }
@media (max-width: 560px) { .c-xcard { flex-direction: column; text-align: center; } }

/* ---------- Footer ---------- */
.c-footer { background: var(--c-navy); color: #cfe0ee; padding: 26px 0; text-align: center; font-size: 14px; }
.c-footer a { color: #fff; text-decoration: none; }

@media (max-width: 800px) {
  .c-about, .c-board__grid { grid-template-columns: 1fr; }

  /* ----- Header Campus : menu hamburger ----- */
  .c-header .nav-toggle { display: flex; order: 2; }
  .c-header__bar { flex-wrap: wrap; column-gap: 12px; row-gap: 0; }
  .c-logo { order: 1; }
  .c-nav { order: 3; flex-basis: 100%; display: none; }
  .c-header.is-open .c-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin-top: 8px;
    padding-top: 10px;
    border-top: 1px solid #e6eef5;
  }
  .c-header.is-open .c-nav a { padding: 10px 2px; font-size: 16px; }
  .c-header.is-open .c-nav a::after { display: none; }
}