/* =====================================================================
   eSchool — Site public (eschool.ga)
   Charte : bleu marine, dégradé cyan → bleu roi, touche de vert.
   ===================================================================== */
@font-face {
    font-family: "Public Sans"; font-style: normal; font-weight: 100 900; font-display: swap;
    src: url("../fonts/public-sans-latin-wght-normal.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Public Sans"; font-style: normal; font-weight: 100 900; font-display: swap;
    src: url("../fonts/public-sans-latin-ext-wght-normal.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
    --marine: #012f76;
    --profond: #011f52;
    --bleu: #0057d3;
    --cyan: #00a4fb;
    --vert: #4da821;
    --vert-vif: #61c027;
    --fond: #f2f6fb;
    --encre: #0f1b33;
    --gris: #5a6679;
    --ligne: #d8e1ee;
    --blanc: #ffffff;
    --danger: #b3261e;
    --degrade: linear-gradient(135deg, #00a4fb 0%, #0073ea 45%, #012f76 100%);
    --ombre: 0 18px 50px rgba(1, 47, 118, 0.14);
    --ombre-legere: 0 6px 20px rgba(1, 47, 118, 0.08);
    --rayon: 16px;
    --police: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body.site { margin: 0; font-family: var(--police); color: var(--encre); background: var(--blanc); line-height: 1.6; overflow-x: clip; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
svg { width: 1em; height: 1em; flex: none; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

.conteneur { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }
.aller-contenu { position: absolute; left: -999px; top: 0; background: var(--marine); color: #fff; padding: 0.6rem 1rem; z-index: 100; }
.aller-contenu:focus { left: 1rem; top: 1rem; }

/* ---------- Boutons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
    border-radius: 999px; padding: 0.85rem 1.5rem; border: 2px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-principal { background: var(--bleu); background-image: var(--degrade); color: #fff; box-shadow: 0 10px 24px rgba(0, 87, 211, 0.3); }
.btn-principal:hover { box-shadow: 0 14px 30px rgba(0, 87, 211, 0.38); }
.btn-secondaire { background: var(--blanc); color: var(--marine); border-color: var(--ligne); }
.btn-secondaire:hover { border-color: var(--bleu); }
.btn-petit { padding: 0.55rem 1.1rem; font-size: 0.92rem; }
.btn-large { width: 100%; padding: 1rem 1.5rem; font-size: 1.05rem; }

/* ---------- En-tête ---------- */
.site-entete { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-entete.defile { border-bottom-color: var(--ligne); box-shadow: 0 4px 18px rgba(1, 47, 118, 0.06); }
.site-entete-interieur { display: flex; align-items: center; gap: 2rem; height: 76px; }
.site-marque img { height: 52px; width: auto; }
.site-nav { display: flex; gap: 1.6rem; margin-left: auto; align-items: center; }
.site-nav a { color: var(--encre); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.site-nav a:hover { color: var(--bleu); }
.site-nav .lien-espace { color: var(--bleu); }
.site-entete-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn-menu { display: none; background: none; border: 0; font-size: 1.8rem; color: var(--marine); cursor: pointer; padding: 0.2rem; }

/* ---------- Accueil (hero) ---------- */
.hero {
    position: relative; overflow: hidden; padding: 4.5rem 0 5.5rem;
    background:
        radial-gradient(circle at 12% 18%, rgba(0, 164, 251, 0.14), transparent 40%),
        radial-gradient(circle at 88% 82%, rgba(97, 192, 39, 0.12), transparent 42%),
        linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%);
}
.hero-grille { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3.5rem; align-items: center; }
.surtitre { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 800; color: var(--bleu); margin-bottom: 1rem; }
.surtitre-clair { color: var(--vert-vif); }
.surtitre-hero { font-size: 1.1rem; letter-spacing: 0.08em; line-height: 1.45; }
.hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.5rem); font-weight: 800; color: var(--marine); }
.degrade { background: var(--degrade); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-intro { font-size: 1.15rem; color: var(--gris); margin-top: 1.4rem; max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; padding: 0; margin: 1.8rem 0 0; color: var(--encre); font-weight: 600; font-size: 0.95rem; }
.hero-points li { display: flex; align-items: center; gap: 0.4rem; }
.hero-points svg { color: var(--vert); font-size: 1.2rem; }

.hero-visuel { position: relative; }
.navigateur { background: var(--blanc); border-radius: 14px; box-shadow: var(--ombre); overflow: hidden; border: 1px solid var(--ligne); transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); }
.navigateur-barre { display: flex; align-items: center; gap: 0.4rem; padding: 0.6rem 0.9rem; background: #eef3fa; border-bottom: 1px solid var(--ligne); }
.navigateur-barre span { width: 10px; height: 10px; border-radius: 50%; background: #c9d4e4; }
.navigateur-barre span:first-child { background: #ff6159; }
.navigateur-barre span:nth-child(2) { background: #ffbd2e; }
.navigateur-barre span:nth-child(3) { background: #28c941; }
.navigateur-barre em { margin-left: 0.8rem; font-style: normal; font-size: 0.78rem; color: var(--gris); background: #fff; border-radius: 999px; padding: 0.1rem 0.8rem; }

.carte-flottante {
    position: absolute; display: flex; align-items: center; gap: 0.75rem; background: var(--blanc);
    border-radius: 14px; padding: 0.75rem 1rem; box-shadow: var(--ombre); border: 1px solid var(--ligne); font-size: 0.9rem;
}
.carte-flottante strong { display: block; color: var(--marine); }
.carte-flottante small { color: var(--gris); }
.carte-flottante-qr { left: -2rem; bottom: -1.6rem; }
.carte-flottante-stats { right: -1rem; top: -1.4rem; }

.icone-ronde { display: inline-grid; place-items: center; width: 2.9rem; height: 2.9rem; border-radius: 50%; background: #e6f2ff; color: var(--bleu); font-size: 1.45rem; flex: none; }
.icone-verte { background: #eaf8e2; color: var(--vert); }
.icone-grande { width: 4.2rem; height: 4.2rem; font-size: 2.2rem; }

/* ---------- Bandeau d'atouts ---------- */
.bandeau-atouts { background: var(--marine); color: #fff; padding: 2rem 0; }
.atouts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.atouts div { display: grid; grid-template-columns: auto 1fr; column-gap: 0.8rem; align-items: center; }
.atouts svg { grid-row: span 2; font-size: 2rem; color: var(--cyan); }
.atouts strong { font-size: 1.02rem; }
.atouts span { font-size: 0.88rem; color: #b9d3f2; }

/* ---------- Sections ---------- */
.section { padding: 5.5rem 0; }
.section-claire { background: var(--fond); }
.section-sombre { background: linear-gradient(160deg, var(--marine) 0%, var(--profond) 100%); color: #fff; }
.section-sombre h2 { color: #fff; }
.section-sombre p { color: #cfe0f5; }
.section-titre { text-align: center; max-width: 44rem; margin: 0 auto 3rem; }
.section h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); font-weight: 800; color: var(--marine); margin-bottom: 1rem; }
.section-sombre .section-titre h2, .section-sombre h2 { color: #fff; }
.section-titre p { color: var(--gris); font-size: 1.08rem; }

.grille-fonctions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.6rem; }
.fonction { background: var(--blanc); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 1.6rem; transition: transform .2s, box-shadow .2s, border-color .2s; }
.fonction:hover { transform: translateY(-4px); box-shadow: var(--ombre-legere); border-color: #b9d3f2; }
.fonction { padding: 1.8rem 2rem; }
.fonction-entete { display: flex; align-items: center; gap: 1rem; padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid var(--ligne); }
.fonction-entete .icone-ronde { width: 3.2rem; height: 3.2rem; font-size: 1.6rem; }
.fonction h3 { font-size: 1.25rem; color: var(--marine); margin: 0; line-height: 1.3; }
.fonction-num { color: var(--bleu); }
.fonction-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.fonction-liste li { position: relative; padding-left: 1.3rem; color: var(--gris); font-size: 0.97rem; line-height: 1.5; }
.fonction-liste li::before { content: "–"; position: absolute; left: 0; top: 0; color: var(--bleu); font-weight: 800; }

.apercu-grille { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; }
.apercu-grille > div > p { color: var(--gris); font-size: 1.08rem; }
.section-sombre .apercu-grille > div > p { color: #cfe0f5; }
.apercu-images { position: relative; padding-bottom: 3rem; }
.apercu-1 { border-radius: 14px; box-shadow: var(--ombre); border: 1px solid var(--ligne); width: 88%; }
.apercu-2 { position: absolute; right: 0; bottom: 0; width: 52%; border-radius: 10px; box-shadow: var(--ombre); border: 1px solid var(--ligne); }
.liste-coches { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 0.75rem; }
.liste-coches li { display: flex; gap: 0.6rem; align-items: flex-start; }
.liste-coches svg { color: var(--vert); font-size: 1.25rem; margin-top: 0.15rem; }

.apercu-inverse { grid-template-columns: 1fr 0.8fr; }
.etapes-qr { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.9rem; margin-top: 2rem; }
.etapes-qr div { display: flex; gap: 0.9rem; align-items: center; background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 12px; padding: 0.9rem 1.1rem; color: #e6f0fc; }
.etapes-qr span { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--cyan); color: #fff; font-weight: 800; flex: none; }
.etapes-qr strong { color: var(--vert-vif); }
.etapes-qr p { margin: 0; }
.document-visuel { position: relative; max-width: 420px; margin-inline: auto; }
.document-visuel img { border-radius: 8px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4); transform: rotate(2deg); }
.carte-verif { left: -2.2rem; bottom: 2.5rem; color: var(--encre); }

.etapes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: etape; }
.etape { position: relative; padding: 1.8rem 1.5rem; background: var(--fond); border-radius: var(--rayon); }
.etape-numero { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%; background: var(--degrade); color: #fff; font-weight: 800; font-size: 1.2rem; }
.etape h3 { font-size: 1.12rem; color: var(--marine); margin: 1.1rem 0 0.5rem; }
.etape p { color: var(--gris); font-size: 0.95rem; }

.formules { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); justify-content: center; gap: 2rem; }
.formule { position: relative; background: var(--blanc); border: 1px solid var(--ligne); border-radius: 20px; padding: 2.2rem; display: flex; flex-direction: column; }
.formule-vedette { border: 2px solid var(--bleu); box-shadow: var(--ombre); }
.formule-etiquette { align-self: flex-start; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--bleu); background: #e6f2ff; border-radius: 999px; padding: 0.25rem 0.8rem; }
.formule-vedette .formule-etiquette { background: var(--vert); color: #fff; }
.formule h3 { font-size: 1.5rem; color: var(--marine); margin-top: 1rem; }
.formule-duree { font-size: 2.3rem; font-weight: 800; color: var(--encre); margin-top: 0.4rem; }
.formule .liste-coches { margin-bottom: 2rem; flex: 1; }
.note-formules { text-align: center; color: var(--gris); margin-top: 1.8rem; font-style: italic; }

/* ---------- Formulaire ---------- */
.section-formulaire { background: linear-gradient(160deg, var(--marine) 0%, #01358a 60%, var(--profond) 100%); color: #fff; }
.formulaire-grille { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 3.5rem; align-items: start; }
.formulaire-intro h2 { color: #fff; }
.formulaire-intro p { color: #cfe0f5; font-size: 1.08rem; }
.formulaire-intro .contact-liste { margin-top: 2rem; }
.formulaire-intro .contact-liste li, .formulaire-intro .contact-liste a { color: #fff; }
.formulaire-carte { background: var(--blanc); color: var(--encre); border-radius: 20px; padding: 2.2rem; box-shadow: 0 30px 70px rgba(0, 0, 0, 0.3); }
.formulaire-demande fieldset { border: 0; padding: 0; margin: 0 0 1.6rem; }
.formulaire-demande legend { font-weight: 800; color: var(--marine); font-size: 1.05rem; margin-bottom: 0.9rem; padding: 0; }
.grille-champs { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.1rem; }
.grille-champs .pleine { grid-column: 1 / -1; }
.champ { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0; }
.champ > span { font-size: 0.88rem; font-weight: 700; color: var(--encre); }
.champ input, .champ select, .champ textarea {
    font: inherit; font-size: 1rem; padding: 0.75rem 0.9rem; border: 1.5px solid var(--ligne); border-radius: 10px; background: #fbfcfe; color: var(--encre); width: 100%;
}
.champ textarea { resize: vertical; }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-color: var(--bleu); box-shadow: 0 0 0 4px rgba(0, 164, 251, 0.18); background: #fff; }
.champ.invalide input, .champ.invalide select, .champ.invalide textarea { border-color: var(--danger); }
.erreur { color: var(--danger); font-size: 0.85rem; font-weight: 600; }
.formulaire-demande > .champ { margin-bottom: 1.6rem; }
.choix-formule { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.option-formule { display: flex; gap: 0.7rem; align-items: flex-start; border: 1.5px solid var(--ligne); border-radius: 12px; padding: 0.9rem 1rem; cursor: pointer; transition: border-color .15s, background .15s; }
.option-formule:has(input:checked) { border-color: var(--bleu); background: #eef6ff; }
.option-formule input { margin-top: 0.3rem; accent-color: var(--bleu); width: 1.1rem; height: 1.1rem; }
.option-formule strong { display: block; color: var(--marine); }
.option-formule small { color: var(--gris); }
.mention { font-size: 0.82rem; color: var(--gris); margin-top: 0.9rem; text-align: center; }
.champ-piege { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alerte-site { background: #fdecea; color: var(--danger); border-radius: 10px; padding: 0.8rem 1rem; margin-bottom: 1.4rem; font-weight: 600; }
.merci { text-align: center; padding: 2rem 0.5rem; }
.merci h3 { color: var(--marine); font-size: 1.5rem; margin: 1.2rem 0 0.7rem; }
.merci p { color: var(--gris); margin-bottom: 1.6rem; }
.merci .icone-grande { margin-inline: auto; }

/* ---------- Pied de page ---------- */
.contact-liste { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem; }
.contact-liste li { display: flex; align-items: center; gap: 0.6rem; }
.contact-liste svg { color: var(--cyan); font-size: 1.2rem; }
.site-pied { background: var(--profond); color: #c7d6ea; padding: 4rem 0 0; }
.site-pied h3 { color: #fff; font-size: 1.05rem; margin-bottom: 1.1rem; }
.site-pied a { color: #fff; }
.pied-grille { display: grid; grid-template-columns: 1.3fr 1.2fr 0.8fr; gap: 3rem; }
.pied-logos { display: flex; gap: 0.9rem; margin-bottom: 1.2rem; }
.pastille-logo { display: grid; place-items: center; background: #fff; border-radius: 14px; padding: 0.5rem 0.8rem; height: 84px; }
.pastille-logo img { height: 64px; width: auto; }
.pastille-logo-hci { width: 84px; padding: 0.4rem; }
.pied-liens { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.pied-bas { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 3rem; padding: 1.4rem 0; font-size: 0.85rem; color: #8fa6c5; }

/* ---------- Apparition au défilement ---------- */
.a-reveler { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.a-reveler.revele { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .a-reveler { opacity: 1; transform: none; transition: none; }
    .navigateur { transform: none; }
}

/* ---------- Écrans moyens et petits ---------- */
@media (max-width: 1080px) {
    .etapes { grid-template-columns: repeat(2, 1fr); }
    .atouts { grid-template-columns: repeat(2, 1fr); }
    .site-nav { gap: 1.1rem; }
}
@media (max-width: 900px) {
    .site-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--ligne); box-shadow: 0 12px 24px rgba(1, 47, 118, 0.1); padding: 0.5rem 1.25rem 1rem; }
    .site-nav.ouvert { display: flex; }
    .site-nav a { padding: 0.8rem 0; border-bottom: 1px solid var(--fond); }
    .btn-menu { display: inline-grid; }
    .site-entete-actions { margin-left: auto; }
    .hero-grille, .apercu-grille, .apercu-inverse, .formulaire-grille, .pied-grille { grid-template-columns: minmax(0, 1fr); }
    .hero { padding: 3rem 0 4.5rem; }
    .hero-visuel { margin-top: 1rem; }
    .carte-flottante-qr { left: 0.5rem; }
    .carte-flottante-stats { right: 0.5rem; }
    .formules { grid-template-columns: 1fr; }
    .section { padding: 4rem 0; }
}
@media (max-width: 600px) {
    .site-entete-actions .btn { display: none; }
    .grille-fonctions, .etapes, .atouts, .grille-champs, .choix-formule { grid-template-columns: minmax(0, 1fr); }
    .fonction { padding: 1.4rem 1.3rem; }
    .formulaire-carte { padding: 1.4rem; }
    .carte-flottante { font-size: 0.8rem; padding: 0.55rem 0.75rem; }
    .carte-flottante .icone-ronde { width: 2.2rem; height: 2.2rem; font-size: 1.1rem; }
    .carte-verif { left: 0.5rem; }
}