/* ============================================================
   BAC PRO CIEL – style.css – Version 65 pouces
   ============================================================ */

:root {
  --bg: #0d1b2a;
  --bg2: #0f2035;
  --surface: #132640;
  --cyan: #00b4d8;
  --cyan-light: #90e0ef;
  --orange: #f77f00;
  --green: #2d936c;
  --purple: #c084fc;
  --text: #e8f4f8;
  --text-muted: #8aaccf;
  --border: rgba(0,180,216,0.2);
  --font-display: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::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-display);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan-light); }

/* ══════════════════════════════════════════════════════════
   NAV — refait de zéro
   Structure HTML : [logo] [ul.nav__links > li*3 + li.cta] [burger]
   ══════════════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5rem;
  height: 90px;
  background: rgba(13,27,42,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.5); }

/* Logo */
.nav__logo { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.nav__badge {
  background: var(--cyan); color: var(--bg);
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700;
  padding: 4px 12px; border-radius: 4px; letter-spacing: 1px;
}
.nav__name { font-size: 2.2rem; font-weight: 800; color: var(--text); letter-spacing: 3px; }

/* Liens — centrés, bien espacés */
.nav__links {
  display: flex;
  align-items: center;
  list-style: none;
  /* Prend tout l'espace disponible et centre son contenu */
  flex: 1;
  justify-content: center;
  /* Espace entre chaque <li> */
  gap: 5rem;
}
.nav__links li { display: flex; align-items: center; }
.nav__links a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav__links a:hover { color: var(--cyan); }

/* Bouton CTA — dernier <li> de la liste */
.nav__cta {
  background: var(--cyan) !important;
  color: var(--bg) !important;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700 !important;
  font-size: 1.1rem !important;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav__cta:hover { background: var(--cyan-light) !important; transform: translateY(-1px); }

.nav__burger { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ══════════════════════════════════════════════════════════
   HERO
   Structure HTML : .hero > .hero__content + .hero__visual
   ══════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
  padding: 180px 5rem 6rem;
  position: relative;
  overflow: hidden;
}
.hero__grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,180,216,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,216,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute; top: -30%; right: -20%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,180,216,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* hero__content = colonne gauche */
.hero__content { position: relative; z-index: 1; }
/* hero__visual = colonne droite (terminal) */
.hero__visual { position: relative; z-index: 1; }

.hero__eyebrow { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }

.pill {
  font-family: var(--font-mono); font-size: 1rem; font-weight: 700;
  padding: 8px 20px; border-radius: 20px; letter-spacing: 1px;
  text-transform: uppercase; border: 1px solid;
}
.pill--cyber { color: #c084fc; border-color: rgba(192,132,252,0.4); background: rgba(192,132,252,0.1); }
.pill--net   { color: var(--cyan); border-color: rgba(0,180,216,0.4); background: rgba(0,180,216,0.1); }
.pill--elec  { color: var(--orange); border-color: rgba(247,127,0,0.4); background: rgba(247,127,0,0.1); }

.hero__title { line-height: 1; margin-bottom: 1rem; }
.hero__title-main { display: block; font-size: 2.8rem; font-weight: 700; color: var(--cyan); letter-spacing: 8px; }
.hero__title-big  { display: block; font-size: 13rem; font-weight: 800; color: var(--text); letter-spacing: -8px; line-height: 0.85; }

.hero__subtitle { font-family: var(--font-mono); font-size: 1.1rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.hero__desc { font-size: 1.3rem; color: var(--text-muted); margin-bottom: 2.5rem; max-width: 600px; line-height: 1.7; }
.hero__actions { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero__stats { display: flex; align-items: center; gap: 2.5rem; }
.stat { display: flex; flex-direction: column; }
.stat__num   { font-size: 3rem; font-weight: 800; color: var(--cyan); line-height: 1; }
.stat__label { font-size: 1rem; color: var(--text-muted); font-family: var(--font-mono); }
.stat__sep   { width: 1px; height: 60px; background: var(--border); }

/* Terminal */
.hero__terminal {
  background: #071220; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow), 0 0 40px rgba(0,180,216,0.1);
  font-family: var(--font-mono);
}
.terminal__bar {
  background: #0f1e2e; padding: 18px 24px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 16px; height: 16px; border-radius: 50%; display: inline-block; }
.dot--r { background: #ff5f57; }
.dot--y { background: #ffbd2e; }
.dot--g { background: #28ca41; }
.terminal__title { font-size: 1rem; color: var(--text-muted); margin-left: 8px; }
.terminal__body  { padding: 2rem; min-height: 320px; }
.terminal__line  { display: flex; align-items: baseline; gap: 0.5rem; }
.term-prompt { color: var(--green); font-weight: 700; font-size: 1.1rem; }
.term-cmd    { color: var(--cyan-light); font-size: 1.1rem; }
.term-cursor { color: var(--cyan); animation: blink 1s infinite; }
@keyframes blink { 0%,50% { opacity: 1; } 51%,100% { opacity: 0; } }

/* ══════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  padding: 22px 44px; border-radius: 12px;
  border: none; cursor: pointer;
  transition: all var(--transition); text-decoration: none; min-height: 72px;
}
.btn--primary { background: var(--cyan); color: var(--bg); }
.btn--primary:hover { background: var(--cyan-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,180,216,0.35); color: var(--bg); }
.btn--ghost { background: transparent; color: var(--text); border: 2px solid var(--border); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--xl { padding: 26px 56px; font-size: 1.6rem; min-height: 84px; }

/* ══════════════════════════════════════════════════════════
   CONTAINER & SECTIONS
   ══════════════════════════════════════════════════════════ */
.container { max-width: 1800px; margin: 0 auto; padding: 0 5rem; }
.container--narrow { max-width: 900px; }

.section { padding: 140px 0; }
.section--dark { background: var(--bg2); }
.section--cta {
  background: linear-gradient(135deg, #071220 0%, #0d2a4a 50%, #071220 100%);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.section__header { text-align: center; margin-bottom: 4rem; }
.section__header--light .section__title,
.section__header--light .section__sub { color: var(--text); }
.section__tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700;
  color: var(--cyan); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 1rem;
}
.section__tag--light { color: var(--cyan-light); }
.section__title { font-size: 3.5rem; font-weight: 800; color: var(--text); margin-bottom: 1rem; }
.section__title--light { color: var(--text); }
.section__sub { font-size: 1.25rem; color: var(--text-muted); max-width: 800px; margin: 0 auto; }

/* ══════════════════════════════════════════════════════════
   CARDS
   ══════════════════════════════════════════════════════════ */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 2rem; margin-bottom: 3rem; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }
.card--blue   { border-top: 3px solid var(--cyan); }
.card--cyan   { border-top: 3px solid #90e0ef; }
.card--orange { border-top: 3px solid var(--orange); }
.card--green  { border-top: 3px solid var(--green); }
.card__icon  { font-size: 3rem; margin-bottom: 1.5rem; }
.card__title { font-size: 1.4rem; font-weight: 700; color: var(--text); margin-bottom: 0.75rem; }
.card__text  { font-size: 1.1rem; color: var(--text-muted); line-height: 1.7; }

/* ══════════════════════════════════════════════════════════
   ACCORDION
   ══════════════════════════════════════════════════════════ */
.accordion-block { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.accordion-block__title { font-size: 1.3rem; font-weight: 700; padding: 1.5rem 2rem; border-bottom: 1px solid var(--border); color: var(--text); }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__item:last-child { border-bottom: none; }
.accordion__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 2rem; min-height: 72px;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 600;
  color: var(--text); text-align: left; transition: background var(--transition);
}
.accordion__btn:hover { background: rgba(0,180,216,0.05); }
.accordion__arrow { font-size: 2rem; color: var(--cyan); transition: transform var(--transition); }
.accordion__btn.active .accordion__arrow { transform: rotate(45deg); }
.accordion__body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.4s; padding: 0 2rem; }
.accordion__body.open { max-height: 600px; padding: 1.25rem 2rem 2rem; }
.accordion__body ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.25rem; }
.accordion__body li { padding-left: 1.75rem; position: relative; font-size: 1.1rem; color: var(--text-muted); }
.accordion__body li::before { content: '▸'; position: absolute; left: 0; color: var(--cyan); }
.acc__competences { background: rgba(0,180,216,0.08); border-left: 3px solid var(--cyan); padding: 1rem 1.25rem; border-radius: 0 8px 8px 0; font-size: 1rem; color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════
   POLES
   ══════════════════════════════════════════════════════════ */
.poles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); gap: 2rem; }
.pole {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 3rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pole:hover { transform: translateY(-6px); }
.pole--elec  { border-top: 4px solid var(--orange); }
.pole--net   { border-top: 4px solid var(--cyan); }
.pole--cyber { border-top: 4px solid var(--purple); }
.pole__header    { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.pole__num       { font-family: var(--font-mono); font-size: 4rem; font-weight: 700; color: var(--border); }
.pole__icon-wrap { font-size: 3rem; }
.pole__title     { font-size: 1.8rem; font-weight: 800; color: var(--text); margin-bottom: 1rem; }
.pole__desc      { font-size: 1.1rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.5rem; }
.pole__tags      { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.5rem; }
.pole__tags span { font-family: var(--font-mono); font-size: 0.82rem; padding: 5px 14px; border-radius: 4px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--text-muted); }
.pole__metiers   { font-size: 1rem; color: var(--text-muted); padding-top: 1rem; border-top: 1px solid var(--border); }
.pole__metiers strong { color: var(--text); }

/* ══════════════════════════════════════════════════════════
   FILIERE / CTA / FOOTER
   ══════════════════════════════════════════════════════════ */
.filiere-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.filiere-svg  { width: 100%; height: auto; display: block; }

.cta-block { text-align: center; padding: 5rem 2rem; }
.cta-block__emoji { font-size: 4rem; display: block; margin-bottom: 1.25rem; }
.cta-block__title { font-size: 3.5rem; font-weight: 800; color: var(--text); margin-bottom: 1.25rem; }
.cta-block__sub   { font-size: 1.3rem; color: var(--text-muted); margin-bottom: 2.5rem; }
.cta-block .btn   { margin-bottom: 1.5rem; }
.cta-block__note  { font-size: 1rem; color: var(--text-muted); font-family: var(--font-mono); }

.footer { background: #071220; border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 5rem; margin-bottom: 2rem; }
.footer__brand p { font-size: 1rem; color: var(--text-muted); margin-top: 0.75rem; }
.footer__ref { font-family: var(--font-mono); font-size: 0.82rem !important; color: #4a6a8a !important; margin-top: 0.5rem; }
.footer__links h4 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 1.25rem; text-transform: uppercase; letter-spacing: 2px; }
.footer__links ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer__links a  { font-size: 1.05rem; color: var(--text-muted); transition: color var(--transition); }
.footer__links a:hover { color: var(--cyan); }
.footer__bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; text-align: center; font-size: 0.9rem; color: #4a6a8a; }

/* ══════════════════════════════════════════════════════════
   PAGES INTERNES (pôles, projets…)
   ══════════════════════════════════════════════════════════ */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg2) 100%);
  border-bottom: 1px solid var(--border); text-align: center;
}
.page-hero__tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; padding: 6px 18px; border-radius: 20px; margin-bottom: 1.25rem;
}
.page-hero__tag--elec  { color: var(--orange); background: rgba(247,127,0,0.12); border: 1px solid rgba(247,127,0,0.3); }
.page-hero__tag--net   { color: var(--cyan);   background: rgba(0,180,216,0.12); border: 1px solid rgba(0,180,216,0.3); }
.page-hero__tag--cyber { color: var(--purple); background: rgba(192,132,252,0.12); border: 1px solid rgba(192,132,252,0.3); }
.page-hero__tag--projet{ color: var(--green);  background: rgba(45,147,108,0.12); border: 1px solid rgba(45,147,108,0.3); }
.page-hero__title { font-size: 4.5rem; font-weight: 800; color: var(--text); margin-bottom: 1rem; line-height: 1.1; }
.page-hero__sub   { font-size: 1.3rem; color: var(--text-muted); max-width: 900px; margin: 0 auto; }

.breadcrumb { display: flex; align-items: center; gap: 0.75rem; font-family: var(--font-mono); font-size: 1rem; color: var(--text-muted); margin-bottom: 2rem; flex-wrap: wrap; }
.breadcrumb a    { color: var(--cyan); }
.breadcrumb__sep { color: var(--border); }

.activity-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 2rem; }
.activity-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.25rem; transition: transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.activity-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.activity-card--elec::before       { background: var(--orange); }
.activity-card--net::before        { background: var(--cyan); }
.activity-card--cyber::before      { background: var(--purple); }
.activity-card--audiovisuel::before{ background: linear-gradient(90deg,#ff6b6b,#ffd93d); }
.activity-card--electro::before    { background: linear-gradient(90deg,#6bcb77,#4d96ff); }
.activity-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }
.activity-card__num   { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.activity-card__icon  { font-size: 3rem; margin-bottom: 1.25rem; }
.activity-card__title { font-size: 1.3rem; font-weight: 700; color: var(--text); margin-bottom: 0.75rem; }
.activity-card__text  { font-size: 1.05rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1rem; }
.activity-card__tools { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.activity-card__tools span { font-family: var(--font-mono); font-size: 0.8rem; padding: 4px 12px; border-radius: 4px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--text-muted); }

.projet-final-card {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(45,147,108,0.15) 100%);
  border: 2px solid var(--green); border-radius: 20px;
  padding: 3.5rem; margin-top: 3rem; position: relative; overflow: hidden;
}
.projet-final-card::after { content: '🏆'; position: absolute; right: 2.5rem; top: 2.5rem; font-size: 4rem; opacity: 0.25; }
.projet-final-card__tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700;
  color: var(--green); background: rgba(45,147,108,0.15); border: 1px solid rgba(45,147,108,0.4);
  padding: 6px 16px; border-radius: 4px; letter-spacing: 1px; margin-bottom: 1.5rem;
}
.projet-final-card__title { font-size: 2rem; font-weight: 800; color: var(--text); margin-bottom: 1rem; }
.projet-final-card__text  { font-size: 1.15rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 2rem; }
.projet-final-card__steps { display: flex; flex-direction: column; gap: 1.25rem; }
.step { display: flex; align-items: flex-start; gap: 1.5rem; }
.step__num {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: var(--green); color: #fff;
  font-family: var(--font-mono); font-size: 1rem; font-weight: 700;
}
.step__text { font-size: 1.1rem; color: var(--text-muted); padding-top: 10px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }

.schema-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; overflow-x: auto; }
.schema-wrap svg { width: 100%; height: auto; display: block; min-width: 300px; }

.info-banner {
  background: rgba(0,180,216,0.08); border: 1px solid rgba(0,180,216,0.25);
  border-radius: 12px; padding: 1.5rem 2rem;
  display: flex; gap: 1.25rem; align-items: flex-start; margin-bottom: 2.5rem;
}
.info-banner__icon { font-size: 1.75rem; flex-shrink: 0; }
.info-banner__text { font-size: 1.1rem; color: var(--text-muted); line-height: 1.7; }
.info-banner__text strong { color: var(--text); }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE mobile uniquement
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 120px 2rem 4rem; gap: 3rem; }
  .hero__visual { order: -1; }
  .hero__title-big { font-size: 6rem; letter-spacing: -4px; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .nav { padding: 0 1.5rem; height: 64px; }
  .nav__links { display: none; flex: unset; justify-content: flex-start; gap: 1rem; }
  .nav__links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(13,27,42,0.98);
    padding: 1.5rem 2rem; border-bottom: 1px solid var(--border);
    gap: 1.5rem; z-index: 99; flex: unset;
  }
  .nav__burger { display: block; }
  .two-col { grid-template-columns: 1fr; }
  .container { padding: 0 1.5rem; }
  .section { padding: 80px 0; }
}

@media (max-width: 600px) {
  .hero__title-big { font-size: 4rem; letter-spacing: -2px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__stats { flex-wrap: wrap; gap: 1.5rem; }
  .stat__sep { display: none; }
  .cards-grid { grid-template-columns: 1fr; }
  .poles-grid { grid-template-columns: 1fr; }
  .activity-grid { grid-template-columns: 1fr; }
  .container { padding: 0 1rem; }
  .nav { padding: 0 1rem; }
  .section { padding: 60px 0; }
  .page-hero { padding: 100px 0 50px; }
  .page-hero__title { font-size: 2.5rem; }
  .section__title { font-size: 2rem; }
}