:root {
  --navy:#1a3a6b; --navy-deep:#12284c; --green:#3aa02a; --green-dark:#2a7a1e;
  --teal:#2eb8c9; --orange:#f08a1f; --gold:#f2c21a; --red:#e23b3b;
  --ink:#1d2a3a; --muted:#5b6573; --paper:#f7f4ee; --white:#fff; --line:#eadfce;
  --grad-fest:linear-gradient(90deg,#1a3a6b 0%,#2eb8c9 28%,#3aa02a 52%,#f2c21a 76%,#f08a1f 100%);
  --grad-hero:linear-gradient(135deg,#12284c 0%,#1a3a6b 38%,#1d6f7a 68%,#2a7a1e 100%);
  --shadow:0 14px 32px rgba(18,40,76,.14);
  --radius:16px;
}

*,*::before,*::after{box-sizing:border-box}
html{ scroll-behavior:smooth; }
body{margin:0;font-family:"DM Sans",system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--grad-fest);color:#fff;border:0;border-radius:10px;padding:12px 18px;font:inherit;font-weight:700;cursor:pointer}
.wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}

/* HEADER */
.topbar{position:sticky;top:0;z-index:50;background:#fff}
.topbar::after{content:"";display:block;height:4px;background:var(--grad-fest)}
.topbar-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;min-height:96px}
.brand{display:flex;align-items:center}
.brand img{height:82px;width:auto}
.nav{display:flex;justify-content:center;gap:22px}
.nav a{color:var(--navy);font-weight:600;font-size:15px;padding:6px 0;border-bottom:3px solid transparent}
.nav a:hover,.nav a.active{border-bottom-color:var(--orange)}
.socials{display:flex;gap:8px}
.socials a{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--grad-fest)}
.burger{display:none;background:none;border:0;font-size:28px;color:var(--navy);cursor:pointer}

/* Quand on clique sur les onglets du header */
#accueil,
#association,
#calendrier,
#equipe,
#contact {
  scroll-margin-top: var(--header-height, 0px);
}

/* BANNER */
.banner{background:var(--grad-fest);color:#fff;text-align:center;padding:16px 16px 10px;font-weight:800;letter-spacing:1.4px;font-size:clamp(22px,4vw,40px);text-transform:uppercase;text-shadow:0 2px 10px rgba(0,0,0,.22)}
.garland{display:flex;justify-content:center;gap:10px;padding:0 0 10px;background:var(--grad-fest)}
.garland i{width:14px;height:18px;clip-path:polygon(50% 100%,0 0,100% 0);background:#fff;opacity:.92}
.garland i:nth-child(1){background:#e23b3b}.garland i:nth-child(2){background:#f2c21a}
.garland i:nth-child(3){background:#3aa02a}.garland i:nth-child(4){background:#2eb8c9}
.garland i:nth-child(5){background:#f08a1f}.garland i:nth-child(6){background:#1a3a6b}
.garland i:nth-child(7){background:#e23b3b}

/* HERO */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.hero{position:relative;min-height:560px;background:var(--grad-hero);display:grid;place-items:center;padding:36px 0 52px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{width:280px;height:280px;right:-40px;top:-60px;background:radial-gradient(circle,rgba(242,194,26,.45),transparent 68%)}
.hero::after{width:240px;height:240px;left:-50px;bottom:-70px;background:radial-gradient(circle,rgba(46,184,201,.4),transparent 68%)}
.hero-grid{width:min(1120px,calc(100% - 40px));display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;position:relative;z-index:1}
.hero-brand{text-align:center}
.hero-brand img{width:min(480px,100%);margin-inline:auto;filter:drop-shadow(0 10px 18px rgba(0,0,0,.28));background:rgba(255,255,255,.9);border-radius:24px;padding:10px}
.hero-actions{display:grid;gap:14px;justify-items:stretch}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.card-link{background:rgba(255,255,255,.95);border-radius:16px;padding:16px 14px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;min-height:128px;justify-content:center;border-top:4px solid var(--teal)}
.card-link:nth-child(2){border-top-color:var(--green)}
.card-link:nth-child(3){border-top-color:var(--gold)}
.card-link:nth-child(4){border-top-color:var(--orange)}
.card-link .icon{font-size:28px}
.card-link strong{color:var(--navy)}
.card-adherer{min-height:72px;flex-direction:row;gap:10px;width:min(100%,420px);margin-inline:auto;border-top-color:var(--green)}

/* SECTIONS */
section{padding:32px 0}
.section-title{margin:0 0 10px;font-size:clamp(28px,4vw,40px);background:var(--grad-fest);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);max-width:720px;margin:0 0 32px}
.paper{background:linear-gradient(180deg,#fff7e8,#eef8f4 55%,#eaf6fb)}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.values{display:grid;gap:14px}
.value{background:#fff;border-radius:var(--radius);padding:16px 18px;border:1px solid var(--line);border-left:6px solid var(--green)}
.value:nth-child(2){border-left-color:var(--teal)}
.value:nth-child(3){border-left-color:var(--orange)}
.value h3{margin:0 0 6px;color:var(--navy);font-size:18px}
.value p{margin:0;color:var(--muted)}
.adherer-cta{text-align:center;padding:36px 24px}
.adherer-cta .lead{margin-inline:auto}

/* PORTRAIT / TEAM */
.portrait{background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.portrait img{width:100%;height:240px;object-fit:cover}
.portrait-body{padding:20px}
.portrait-body h3{margin:0 0 8px;color:var(--navy)}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.member{background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 8px 20px rgba(18,40,76,.07)}
.avatar,.avatar-img{height:170px;width:100%}
.avatar{display:grid;place-items:center;color:#fff;font-size:42px;font-weight:800}
.avatar-img{object-fit:cover;display:block}
.member:nth-child(1) .avatar{background:linear-gradient(135deg,#1a3a6b,#2eb8c9)}
.member:nth-child(2) .avatar{background:linear-gradient(135deg,#3aa02a,#f2c21a)}
.member:nth-child(3) .avatar{background:linear-gradient(135deg,#f08a1f,#e23b3b)}
.member:nth-child(4) .avatar{background:linear-gradient(135deg,#2eb8c9,#1a3a6b)}
.member:nth-child(5) .avatar{background:linear-gradient(135deg,#f2c21a,#3aa02a)}
.member:nth-child(6) .avatar{background:linear-gradient(135deg,#1a3a6b,#f08a1f)}
.member:nth-child(7) .avatar{background:linear-gradient(135deg,#3aa02a,#2eb8c9)}
.member:nth-child(8) .avatar{background:linear-gradient(135deg,#e23b3b,#f2c21a)}
.member-body{padding:14px 16px 18px}
.member h3{margin:0 0 2px;font-size:17px}
.role{color:var(--green-dark);font-weight:700;font-size:13px}
.member p{margin:8px 0 0;color:var(--muted);font-size:14px}

/* EVENTS */
.timeline{display:grid;gap:16px}
.event-page { padding-top: 0px; }
.event{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.event-date{background:var(--grad-fest);color:#fff;border-radius:12px;text-align:center;padding:10px 8px}
.event-date .day{display:block;font-size:26px;font-weight:800;line-height:1}
.event-date .month{font-size:12px;letter-spacing:.6px;text-transform:uppercase}
.event h3{margin:0 0 4px;color:var(--navy)}
.event p{margin:0;color:var(--muted)}
.event-link{color:inherit;cursor:pointer;width:100%;text-align:left;font:inherit}
.event-link:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.tag{background:#fff3d1;color:#8a5a00;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700;white-space:nowrap}
.event-back { margin: 0 0 6px; font-size: 14px; }
.event-back a { color: var(--navy); text-decoration: none; }
.event-back a:hover { text-decoration: underline; }
.event-back + .tag { margin-top: 0; }

/* FORMS */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.box{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line)}
form{display:grid;gap:12px}
input,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font:inherit}
.check{display:flex;gap:8px;align-items:center}
.check input{width:auto}

/* IFRAME */
.iframe-wrap{width:min(950px,100%);margin:0 auto;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff}
.iframe-wrap iframe{width:100%;height:750px;border:0;display:block}

/* FOOTER */
footer{background:var(--navy-deep);color:#d7e2f5;padding:28px 0;font-size:14px}
.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ADMIN - COMMUN */
body.admin-page .banner{background:var(--navy)}
body.admin-page .section-title{background:none;color:var(--navy);-webkit-text-fill-color:var(--navy)}
body.admin-page .icon-btn,
body.admin-page button[type="submit"],
body.admin-page .btn{background:var(--navy)}
body.admin-page .event-date{background:var(--navy)}
body.admin-page .topbar-inner{min-height:72px}
body.admin-page section.admin-section{padding:16px 0 48px}

.admin-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.admin-sticky{position:sticky;top:76px;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.admin-toolbar{display:flex;align-items:center;justify-content:center;gap:12px;padding:8px 0}
.admin-toolbar[hidden] { display: none !important; }
.admin-tabs{display:flex;align-items:center;justify-content:center;gap:8px;margin:0}
.tab{background:#e8eef8;color:var(--navy)}
.tab.active{background:var(--grad-fest);color:#fff}

.icon-btn{width:42px;height:42px;border:0;border-radius:12px;background:var(--grad-fest);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:22px;line-height:1}
.who{color:var(--muted);font-size:14px}
.account{position:relative}
.account-btn{border:0;background:transparent;color:var(--navy);font:inherit;font-weight:600;cursor:pointer;padding:6px 2px}
.account-menu{position:absolute;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:8px;min-width:160px;box-shadow:var(--shadow);z-index:60}
.account-menu button{width:100%;border:0;background:transparent;text-align:left;padding:10px 12px;font:inherit;cursor:pointer;color:var(--ink)}
.account-menu button:hover{background:#f3f4f6}

/* MODALS */
.overlay{position:fixed;inset:0;background:rgba(18,40,76,.45);display:none;align-items:flex-start;justify-content:center;padding:48px 16px;z-index:80}
.overlay.open{display:flex}
.modal{width:min(640px,100%);background:#fff;border-radius:16px;box-shadow:var(--shadow);max-height:calc(100vh - 96px);overflow:auto}
.modal header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal header h3{margin:0;color:var(--navy)}
.modal .close{border:0;background:transparent;font-size:24px;cursor:pointer;color:var(--muted)}
.modal form{padding:16px 18px 18px;display:grid;gap:10px}

/* TOAST */
.toast{position:fixed;right:16px;bottom:16px;background:var(--navy-deep);color:#fff;padding:10px 14px;border-radius:8px;display:none;z-index:90}
.toast.show{display:block}

/* RESPONSIVE */
@media(max-width:900px){
  .topbar-inner{grid-template-columns:1fr auto auto}
  .nav{display:none;position:absolute;top:96px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px 24px;gap:14px}
  .nav.open{display:flex}
  .burger{display:block}
  .hero-grid,.split,.contact-grid,.team,.admin-layout{grid-template-columns:1fr}
  .event{grid-template-columns:90px 1fr}
  .tag{grid-column:2}
}

@media(max-width:700px){
  .cards{grid-template-columns:1fr}
}

@media(max-width:600px){
  .wrap{width:min(100% - 24px,1120px)}
  .hero-grid{width:min(100% - 24px,1120px)}
  .topbar-inner{min-height:72px}
  .brand img{height:62px}
}