/* ==========================================================
   CPNV MÉDIAMATIQUE — STYLE PRINCIPAL
   Mise en page des sections inspirée de l'ancienne maquette.
   Les classes et identifiants des formulaires sont conservés.
   ========================================================== */
:root {
    --blue: #203D91;
    --purple: #791981;
    --magenta: #A50B73;
    --orange: #DB6102;
    --yellow: #FAB200;
    --white: #F6FCFE;
    --cyan: #55BFDC;
    --ink: #17234b;
    --muted: #596783;
    --font: "Barlow", Arial, sans-serif;
    --radius: 22px;
    --shadow: 0 18px 45px rgba(32, 61, 145, .12);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--white); font: 17px/1.55 var(--font); }
button, input, textarea { font: inherit; }
a { color: inherit; }
img, video { max-width: 100%; }
[hidden] { display: none !important; }
::selection { color: #fff; background: var(--purple); }
.container { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 2000; top: 1rem; left: -9999px; padding: .8rem 1rem; color: var(--blue); background: #fff; border-radius: 8px; }
.skip-link:focus { left: 1rem; }

/* Navigation */
.site-header { position: fixed; z-index: 1000; inset: 0 0 auto; padding: .65rem 0; background: rgba(246,252,254,.91); border-bottom: 1px solid rgba(32,61,145,.1); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.header-inner { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; flex-direction: column; color: var(--blue); text-decoration: none; line-height: .92; }
.brand-main { font-size: 1.85rem; font-weight: 900; letter-spacing: -.07em; }
.brand-sub { margin-top: .42rem; color: var(--purple); font-size: .58rem; font-weight: 800; letter-spacing: .14em; }
.main-nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.main-nav a { color: var(--blue); font-size: .94rem; font-weight: 700; text-decoration: none; transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--orange); }
.main-nav .nav-cta { padding: .7rem 1.2rem; border-radius: 999px; color: #fff; background: var(--blue); }
.main-nav .nav-cta:hover { color: #fff; background: var(--purple); }
.menu-toggle { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; border: 1px solid rgba(32,61,145,.18); border-radius: 12px; background: #fff; cursor: pointer; }
.menu-toggle span { width: 21px; height: 2px; border-radius: 2px; background: var(--blue); }

/* Hero vidéo */
.hero { position: relative; isolation: isolate; min-height: min(850px, 100svh); display: grid; place-items: center; overflow: hidden; padding: 9rem 0 6rem; color: #fff; background: linear-gradient(125deg, var(--blue), var(--purple) 58%, var(--magenta)); }
.hero-video, .hero-overlay { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; }
.hero-video { object-fit: cover; }
.hero-overlay { background: linear-gradient(110deg, rgba(18,35,91,.82), rgba(32,61,145,.48) 55%, rgba(121,25,129,.48)); }
.hero-content { position: relative; z-index: 1; text-align: center; }
.eyebrow { margin: 0 0 1rem; color: var(--yellow); font-size: .78rem; font-weight: 900; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow-orange { color: var(--orange); }
.hero h1 { max-width: 1050px; margin: 0 auto 1.2rem; color: #fff; font-size: clamp(3.5rem, 10vw, 8rem); font-weight: 900; letter-spacing: -.065em; line-height: .88; text-wrap: balance; }
.hero h1 span { color: var(--yellow); }
.hero-subtitle { max-width: 650px; margin: 0 auto 2rem; color: rgba(255,255,255,.92); font-size: clamp(1.1rem, 2.2vw, 1.45rem); font-weight: 500; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .8rem; min-height: 54px; padding: .9rem 1.6rem; border-radius: 999px; font-weight: 900; letter-spacing: .04em; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-light { color: var(--blue); background: #fff; }
.button-light:hover { background: var(--yellow); }
.scroll-cue { position: absolute; bottom: 1.8rem; left: 50%; display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(255,255,255,.65); border-radius: 50%; color: #fff; font-size: 1.5rem; text-decoration: none; transform: translateX(-50%); animation: float 1.8s ease-in-out infinite; }
@keyframes float { 50% { transform: translate(-50%, 7px); } }

/* Sections communes */
section:not(.hero) { padding: clamp(4.5rem, 8vw, 7rem) 0; }
.section-light { background: var(--white); }
.section-intro { max-width: 850px; margin: 0 auto 3rem; text-align: center; }
.section-intro h2, .practical-copy h2 { margin: 0; color: var(--blue); font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 900; letter-spacing: -.055em; line-height: .98; text-wrap: balance; }
.section-intro h2 span { color: var(--magenta); }
.section-lead { max-width: 680px; margin: 1rem auto 0; color: var(--muted); font-size: 1.1rem; }
.section-intro-white h2 { color: #fff; }
.section-intro-white .section-lead { color: rgba(255,255,255,.82); }

/* Stages + carrousels */
.stages { background: #fff; }
.stage-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: clamp(1.3rem, 3vw, 2.4rem); }
.stage-card { min-width: 0; overflow: hidden; border: 1px solid rgba(32,61,145,.12); border-radius: 24px; background: #fff; box-shadow: 0 15px 42px rgba(32,61,145,.09); }
.stage-heading { min-height: 245px; padding: clamp(1.6rem, 3vw, 2.4rem); }
.stage-number { color: var(--orange); font-size: .75rem; font-weight: 900; letter-spacing: .14em; }
.stage-heading h3 { margin: .65rem 0 .75rem; color: var(--magenta); font-size: clamp(2.4rem, 4vw, 3.6rem); font-weight: 900; letter-spacing: -.055em; line-height: 1; }
.stage-card-multimedia .stage-heading h3 { color: var(--blue); }
.stage-heading p { max-width: 540px; margin: 0; color: var(--muted); }
.carousel { position: relative; overflow: hidden; aspect-ratio: 1.55 / 1; background: #dcecf1; }
.carousel-track { position: relative; width: 100%; height: 100%; }
.carousel-slide { position: absolute; inset: 0; margin: 0; opacity: 0; pointer-events: none; transition: opacity .35s ease; }
.carousel-slide.is-active { opacity: 1; pointer-events: auto; }
.carousel-slide img { display: block; width: 100%; height: 100%; object-fit: cover; }
.carousel-slide.is-missing { background: linear-gradient(145deg, rgba(32,61,145,.9), rgba(85,191,220,.8)), repeating-linear-gradient(-45deg, transparent, transparent 12px, rgba(255,255,255,.08) 12px, rgba(255,255,255,.08) 24px); }
.carousel-slide.is-missing img { display: none; }
.carousel-slide figcaption { position: absolute; inset: auto 0 0; padding: 2.5rem 1.1rem .9rem; color: #fff; font-size: .92rem; font-weight: 700; background: linear-gradient(transparent, rgba(0,0,0,.68)); }
.carousel-arrow { position: absolute; z-index: 2; top: 50%; display: grid; width: 44px; height: 44px; place-items: center; border: 0; border-radius: 50%; color: var(--blue); background: rgba(246,252,254,.94); font-size: 2rem; line-height: 1; cursor: pointer; transform: translateY(-50%); transition: background .2s ease, scale .2s ease; }
.carousel-arrow:hover { background: var(--yellow); scale: 1.06; }
.carousel-arrow.prev { left: 14px; }
.carousel-arrow.next { right: 14px; }
.carousel-dots { position: absolute; z-index: 3; top: 1rem; right: 1rem; display: flex; gap: .45rem; }
.carousel-dots button { width: 10px; height: 10px; padding: 0; border: 1px solid rgba(255,255,255,.9); border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; }
.carousel-dots button[aria-current="true"] { background: #fff; transform: scale(1.25); }
.exchange-banner { display: flex; align-items: center; justify-content: center; gap: 1rem; max-width: 1050px; margin: 2rem auto 0; padding: 1.35rem 2rem; border-radius: 18px; color: var(--blue); background: #dff5fa; text-align: center; }
.exchange-icon { color: var(--purple); font-size: 2.2rem; font-weight: 900; }
.exchange-banner p { margin: 0; font-size: 1.05rem; font-weight: 600; }
.exchange-banner strong { color: var(--magenta); }

/* Programme d'apprentissage */
.section-blue { color: #fff; background: radial-gradient(circle at 90% 5%, rgba(85,191,220,.22), transparent 28%), var(--blue); }
.learning-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 2.8rem 4rem; max-width: 1100px; margin: 0 auto; }
.learning-item { display: grid; grid-template-columns: 100px 1fr; align-items: center; gap: 1.3rem; }
.learning-icon { display: grid; width: 100px; aspect-ratio: 1; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; color: var(--yellow); background: rgba(246,252,254,.13); font-size: 2.8rem; font-weight: 800; }
.learning-item h3 { margin: 0 0 .4rem; color: #fff; font-size: 1.25rem; font-weight: 800; }
.learning-item p { margin: 0; color: rgba(255,255,255,.82); }

/* Candidature — les identifiants du formulaire restent inchangés */
.section-candidature { background: linear-gradient(145deg, #e9f8fc, #fff 62%, #fff4e9); }
.section-candidature .section-intro { margin-bottom: 2.5rem; }
.stage-selection { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.3rem; max-width: 850px; margin: 0 auto; }
.select-btn { position: relative; display: flex; min-height: 185px; flex-direction: column; align-items: flex-start; justify-content: center; gap: .4rem; overflow: hidden; padding: 1.8rem 2rem; border: 2px solid transparent; border-radius: 22px; color: #fff; background: linear-gradient(135deg, var(--blue), #3c5fc0); box-shadow: 0 14px 32px rgba(32,61,145,.18); text-align: left; cursor: pointer; transition: transform .22s ease, box-shadow .22s ease; }
.select-btn::after { position: absolute; right: -35px; bottom: -65px; width: 170px; aspect-ratio: 1; border: 22px solid rgba(255,255,255,.12); border-radius: 50%; content: ""; }
.select-btn:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(32,61,145,.23); }
.select-pao { background: linear-gradient(135deg, var(--purple), var(--magenta) 68%, var(--orange)); }
.select-icon { font-size: 2rem; }
.select-label { font-size: 1.8rem; font-weight: 900; line-height: 1.1; }
.select-desc { color: rgba(255,255,255,.83); }
.form-panel { max-width: 900px; margin: 0 auto; padding: clamp(1.4rem,4vw,3.2rem); border: 1px solid rgba(32,61,145,.12); border-radius: 24px; background: #fff; box-shadow: 0 20px 55px rgba(32,61,145,.13); scroll-margin-top: 105px; }
.form-panel h3 { margin: .8rem 0 2rem; color: var(--blue); font-size: clamp(1.6rem,3vw,2.2rem); font-weight: 900; letter-spacing: -.03em; }
.form-pao h3 { color: var(--magenta); }
.back-btn { display: inline-flex; align-items: center; gap: .4rem; padding: .65rem 1rem; border: 1px solid rgba(32,61,145,.2); border-radius: 99px; color: var(--blue); background: #eef8fb; font-size: .92rem; font-weight: 800; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.back-btn:hover { background: #dff2f8; transform: translateX(-3px); }
.form-row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.form-group { display: flex; min-width: 0; flex-direction: column; gap: .45rem; margin-bottom: 1.15rem; }
.form-group > label { color: var(--blue); font-weight: 800; }
.form-group input:not([type="checkbox"]):not([type="file"]), .form-group textarea { width: 100%; min-height: 49px; padding: .8rem 1rem; border: 1.5px solid #b9dce8; border-radius: 11px; outline: none; color: var(--ink); background: #fbfeff; transition: border-color .2s ease, box-shadow .2s ease; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--purple); background: #fff; box-shadow: 0 0 0 4px rgba(121,25,129,.1); }
.form-group textarea { min-height: 125px; resize: vertical; }
.form-group input[type="file"] { width: 100%; max-width: 100%; padding: .65rem; border: 1.5px dashed #a9ccda; border-radius: 11px; background: #f7fcfe; font-size: .9rem; }
.form-group input[type="file"]::file-selector-button { margin-right: .7rem; padding: .55rem .8rem; border: 0; border-radius: 8px; color: var(--blue); background: #dff2f8; font: 700 .85rem var(--font); cursor: pointer; }
.file-name { color: #69758c; font-size: .82rem; overflow-wrap: anywhere; }
.form-consent label { display: flex; flex-direction: row; align-items: flex-start; gap: .7rem; color: var(--muted); font-size: .92rem; font-weight: 500; }
.form-consent input { flex: 0 0 auto; width: 18px; height: 18px; margin-top: .2rem; accent-color: var(--purple); }
.submit-btn { display: block; width: 100%; min-height: 56px; padding: .9rem 1.4rem; border: 0; border-radius: 12px; color: #fff; background: linear-gradient(100deg, var(--blue), var(--purple)); box-shadow: 0 10px 22px rgba(32,61,145,.18); font-size: 1.05rem; font-weight: 900; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease; }
.submit-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(32,61,145,.24); }
.submit-btn:disabled { opacity: .65; cursor: wait; }
.form-feedback { min-height: 1.5rem; margin: 1rem 0 0; font-weight: 700; }
.form-feedback.is-visible, .form-feedback.success, .form-feedback.error { padding: .9rem 1rem; border-radius: 10px; }
.form-feedback.success { color: #155b35; background: #e1f5e9; }
.form-feedback.error { color: #8a1c36; background: #fde8ed; }

/* Informations pratiques */
.practical { background: #fff; }
.practical-inner { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(2rem,6vw,5rem); }
.practical-copy h2 { margin-bottom: 1rem; }
.practical-copy > p:not(.eyebrow) { max-width: 560px; color: var(--muted); }
.text-link, .practical-card a { color: var(--purple); font-weight: 800; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.practical-card { padding: clamp(1.6rem,4vw,2.3rem); border: 1px solid rgba(85,191,220,.5); border-radius: 22px; background: #e7f7fb; box-shadow: 0 12px 32px rgba(32,61,145,.07); }
.practical-symbol { color: var(--orange); font-size: 2.5rem; }
.practical-card h3 { margin: .3rem 0; color: var(--blue); font-size: 1.55rem; font-weight: 900; }
.practical-card p { color: var(--muted); }
.contact-placeholder { margin-bottom: 0; font-size: .86rem; }

/* Footer */
.site-footer { padding: 2.3rem 0; color: #fff; background: var(--blue); }
.footer-inner { display: grid; grid-template-columns: 1.1fr 1.2fr 1fr 1fr; align-items: center; gap: 2rem; }
.brand-footer { color: #fff; }
.brand-footer .brand-sub { color: var(--yellow); }
.footer-thanks { margin: 0; font-size: 1rem; line-height: 1.4; }
.footer-links { display: flex; flex-direction: column; gap: .25rem; }
.footer-links h2 { margin: 0 0 .3rem; color: #fff; font-size: 1rem; }
.footer-links a { color: rgba(255,255,255,.82); font-size: .9rem; text-decoration: none; }
.footer-links a:hover { color: var(--yellow); }
.copyright { margin: 0; color: rgba(255,255,255,.82); font-size: .88rem; text-align: right; }

/* Accessibilité et focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

/* Tablette */
@media (max-width: 850px) {
    .container { width: min(100% - 2.5rem, 740px); }
    .menu-toggle { display: flex; }
    .main-nav { position: absolute; top: calc(100% + .4rem); right: 1.25rem; left: 1.25rem; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .65rem 1rem 1rem; border: 1px solid rgba(32,61,145,.12); border-radius: 16px; background: var(--white); box-shadow: 0 14px 30px rgba(32,61,145,.13); }
    .main-nav.is-open { display: flex; }
    .main-nav a { padding: .8rem .4rem; }
    .main-nav .nav-cta { margin-top: .35rem; text-align: center; }
    .learning-grid { gap: 2rem; }
    .learning-item { grid-template-columns: 82px 1fr; }
    .learning-icon { width: 82px; font-size: 2.3rem; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .copyright { text-align: left; }
}

/* Mobile */
@media (max-width: 620px) {
    body { font-size: 16px; }
    .container { width: min(100% - 2rem, 520px); }
    .hero { min-height: 720px; min-height: min(780px, 94svh); padding: 8rem 0 5rem; }
    .hero h1 { font-size: clamp(3rem, 14vw, 5rem); }
    section:not(.hero) { padding: 4rem 0; }
    .section-intro { margin-bottom: 2.2rem; }
    .stage-grid, .learning-grid, .stage-selection, .practical-inner { grid-template-columns: 1fr; }
    .stage-heading { min-height: 0; padding: 1.5rem 1.5rem 1.7rem; }
    .carousel { aspect-ratio: 1.2 / 1; }
    .exchange-banner { align-items: flex-start; padding: 1rem; text-align: left; }
    .exchange-banner p { font-size: .96rem; }
    .learning-item { grid-template-columns: 72px 1fr; gap: 1rem; align-items: start; }
    .learning-icon { width: 72px; font-size: 2rem; }
    .select-btn { min-height: 155px; padding: 1.4rem 1.5rem; }
    .form-panel { padding: 1.25rem; border-radius: 18px; }
    .form-panel h3 { margin-bottom: 1.5rem; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .practical-inner { gap: 2rem; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem 1rem; }
    .brand-main { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}