/* formation.code53.click : couleurs et tailles centralisées dans :root */
:root {
  --navy: #0d203f;
  --navy-2: #1a365d;
  --red: #d7263d;
  --gold: #f2b705;
  --gold-d: #c99400;
  --ink: #16202e;
  --muted: #5b6676;
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --line: #e3e8f0;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(13, 32, 63, .08);
  --wrap: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0; text-wrap: balance; }
p, li, summary { margin: 0; text-wrap: pretty; }
[hidden] { display: none !important; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: var(--navy); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 6px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border-radius: 999px; font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: 1rem; transition: transform .15s, background .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: var(--navy); box-shadow: 0 6px 18px rgba(242, 183, 5, .35); }
.btn-gold:hover { background: #ffc61a; }
.btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-line { border-color: var(--navy); color: var(--navy); }
.btn-line:hover { background: var(--navy); color: #fff; }
.btn-sm { min-height: 40px; padding: 0 18px; background: var(--red); color: #fff; }

/* Navigation */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(13, 32, 63, .0); transition: background .2s, box-shadow .2s; }
.nav.scrolled, .nav.open { background: var(--navy); box-shadow: 0 4px 20px rgba(0,0,0,.18); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: #fff; text-decoration: none; letter-spacing: -.01em; }
.logo img { border-radius: 8px; }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a:not(.btn) { color: rgba(255,255,255,.85); text-decoration: none; font-weight: 500; font-size: .95rem; }
.menu a:not(.btn):hover { color: #fff; }
.burger { display: none; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 2px; background: #fff; margin: 6px 0; border-radius: 2px; transition: transform .2s; }
.nav.open .burger span:first-child { transform: translateY(4px) rotate(45deg); }
.nav.open .burger span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Bannière */
.hero { position: relative; margin-top: -68px; padding: 128px 0 96px; background: radial-gradient(1200px 500px at 85% -10%, #24508a 0%, transparent 60%), linear-gradient(160deg, var(--navy-2), var(--navy) 70%); color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.skyline { position: absolute; bottom: 0; left: 0; width: 100%; height: 140px; fill: rgba(255,255,255,.05); }
.brush { position: absolute; height: 46px; border-radius: 40px 8px 40px 8px; transform: rotate(-6deg); filter: blur(.3px); opacity: .9; }
.brush-r { right: -60px; top: 110px; width: 360px; background: linear-gradient(90deg, transparent, var(--red) 25%); }
.brush-w { right: -40px; top: 150px; width: 260px; height: 18px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.7) 30%); }
.hero-in { position: relative; display: grid; grid-template-columns: 1.25fr .85fr; gap: 56px; align-items: center; }
.script { font-family: Caveat, cursive; font-size: 1.7rem; color: var(--gold); transform: rotate(-2deg); transform-origin: left; margin-bottom: 8px; }
.hero h1 { font-size: clamp(2.5rem, 6.4vw, 4.6rem); font-weight: 900; letter-spacing: -.03em; text-transform: uppercase; }
.hero h1 em { font-style: normal; color: var(--gold); display: block; }
.lead { margin-top: 18px; font-size: 1.15rem; color: rgba(255,255,255,.82); max-width: 560px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.session { margin-top: 18px; font-size: .92rem; color: rgba(255,255,255,.7); display: flex; align-items: center; gap: 8px; }
.session::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 0 4px rgba(61,220,132,.2); }
.price-card { position: relative; background: #fff; color: var(--ink); border-radius: 22px; padding: 34px 28px 28px; box-shadow: 0 30px 60px rgba(0,0,0,.3); overflow: hidden; }
.ribbon { display: inline-block; background: var(--red); color: #fff; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; font-size: .78rem; padding: 6px 14px; border-radius: 6px; transform: rotate(-2deg); }
.price { font-size: clamp(2.4rem, 5vw, 3.2rem); font-weight: 900; color: var(--navy); letter-spacing: -.03em; margin-top: 14px; }
.price-note { color: var(--muted); }
.mini { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.leaf { position: absolute; right: -14px; bottom: -14px; width: 110px; fill: var(--red); opacity: .1; }

/* Sections */
.sec { padding: 88px 0; }
.sec-alt { background: var(--bg-alt); }
.sec-dark { background: var(--navy); color: #fff; }
.h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -.02em; text-align: center; color: var(--navy); }
.sec-dark .h2 { color: #fff; }
.h2.left { text-align: left; }
.sub { text-align: center; color: var(--muted); max-width: 640px; margin: 12px auto 0; }
.sec-dark .sub { color: rgba(255,255,255,.75); }
.note, .fine { color: var(--muted); font-size: .88rem; }
.note { text-align: center; margin-top: 28px; }
.sec-dark .fine { color: rgba(255,255,255,.6); }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li, .mini li { display: flex; gap: 10px; align-items: flex-start; }
.checks svg, .mini svg { flex: none; width: 20px; height: 20px; margin-top: 2px; fill: none; stroke: #18a058; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }

/* Pourquoi */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card h3 { font-size: 1.05rem; margin: 16px 0 8px; color: var(--navy); }
.card p { color: var(--muted); font-size: .95rem; }
.ic { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; }
.ic svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.ic-r { background: var(--red); }
.ic-b { background: var(--navy-2); }

/* Programme */
.prog { display: grid; grid-template-columns: .8fr 1.1fr 1fr; gap: 28px; align-items: stretch; }
.prog > div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.prog h3 { font-size: 1.1rem; color: var(--navy); margin-bottom: 18px; }
.prog-time { background: var(--navy) !important; color: #fff; text-align: center; display: flex; flex-direction: column; justify-content: center; align-items: center; border: 0 !important; }
.prog-time svg { width: 48px; height: 48px; fill: none; stroke: var(--gold); stroke-width: 1.8; stroke-linecap: round; }
.prog-time .big { font-size: 3.4rem; font-weight: 900; color: var(--gold); letter-spacing: -.03em; line-height: 1.1; margin-top: 8px; }
.skills { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.skills li { display: flex; align-items: center; gap: 12px; font-weight: 600; padding: 10px 12px; border-radius: 10px; background: var(--bg-alt); }
.skills span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--red); color: #fff; font-size: .85rem; font-weight: 800; flex: none; }

/* Explication */
.explain { display: grid; grid-template-columns: 1.3fr .9fr; gap: 48px; align-items: center; }
.body { margin-top: 16px; color: var(--muted); font-size: 1.05rem; }
.uses { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chip { padding: 8px 16px; border-radius: 999px; background: var(--bg-alt); border: 1px solid var(--line); font-weight: 600; color: var(--navy); font-size: .92rem; }
.quote { margin: 0; background: var(--red); color: #fff; border-radius: 20px; padding: 34px 30px; transform: rotate(-2deg); box-shadow: var(--shadow); font-family: Caveat, cursive; font-size: 2.2rem; line-height: 1.15; }

/* Offres */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px 26px; }
.plan .checks { margin: 22px 0 28px; flex: 1; }
.plan h3 { font-size: 1.15rem; color: var(--navy); }
.plan-price { font-size: 2.2rem; font-weight: 900; color: var(--navy); letter-spacing: -.02em; margin-top: 10px; }
.plan-per { color: var(--muted); font-size: .92rem; }
.plan.star { border: 2px solid var(--gold); box-shadow: 0 20px 44px rgba(13,32,63,.12); }
.tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--navy); font-weight: 800; font-size: .78rem; padding: 5px 14px; border-radius: 999px; white-space: nowrap; }

/* Partenariat */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.tier { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 20px; padding: 30px 26px; }
.tier.star { border-color: var(--gold); background: rgba(242,183,5,.07); }
.pct { font-size: 3.4rem; font-weight: 900; color: var(--gold); letter-spacing: -.03em; line-height: 1; }
.pct small { font-size: 1.6rem; margin-left: 2px; }
.tier h3 { margin-top: 10px; font-size: 1.2rem; }
.for { color: rgba(255,255,255,.65); font-size: .92rem; margin: 4px 0 18px; }
.sec-dark .checks svg { stroke: var(--gold); }
.sim { margin-top: 36px; background: #fff; color: var(--ink); border-radius: 22px; padding: 30px; display: grid; gap: 16px; }
.sim h3 { color: var(--navy); font-size: 1.2rem; }
.sim-row { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 16px; }
.sim label, .form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; color: var(--navy); }
.sim label:nth-child(2) { grid-template-columns: 1fr auto; align-items: center; }
.sim label:nth-child(2) input { grid-column: 1; }
.sim output { grid-row: 2; grid-column: 2; font-weight: 800; min-width: 2ch; text-align: right; }
.sim-res { font-size: 1.15rem; }
.sim-res strong { font-size: 1.6rem; color: #18a058; font-weight: 900; }
.sim .fine { color: var(--muted); }
.sim .btn { justify-self: start; }
input, select, textarea { font: inherit; color: var(--ink); width: 100%; min-height: 48px; padding: 10px 14px; border: 1.5px solid var(--line); border-radius: 12px; background: #fff; font-weight: 400; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy-2); box-shadow: 0 0 0 3px rgba(26,54,93,.15); }
input[type=range] { padding: 0; border: 0; accent-color: var(--red); min-height: 32px; }

/* FAQ */
#faqList { margin-top: 36px; display: grid; gap: 12px; }
.qa { border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; background: #fff; }
.qa summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--red); transition: transform .2s; }
.qa[open] summary::after { transform: rotate(45deg); }
.qa p { color: var(--muted); padding-bottom: 16px; }

/* Formulaire */
.tabs { display: flex; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px; margin: 30px auto 0; max-width: 460px; }
.tabs button { flex: 1; min-height: 42px; border: 0; border-radius: 999px; background: none; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; }
.tabs button[aria-selected=true] { background: var(--navy); color: #fff; }
.form { margin-top: 22px; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; box-shadow: var(--shadow); }
.form .full { grid-column: 1 / -1; }
.form .fine { text-align: center; }
.form .fine a { color: var(--navy); font-weight: 700; }
.err { grid-column: 1 / -1; color: var(--red); font-weight: 600; font-size: .92rem; }

/* Pied de page */
.foot { background: #081429; color: rgba(255,255,255,.7); padding: 44px 0 90px; }
.foot-in { display: grid; gap: 20px; }
.foot-in p { margin-top: 10px; }
.foot-uses { display: flex; flex-wrap: wrap; gap: 18px; font-weight: 700; color: var(--gold); }
.foot-uses span::before { content: "✓ "; }

.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 60; width: 58px; height: 58px; border-radius: 50%; background: #25d366; display: grid; place-items: center; box-shadow: 0 10px 24px rgba(0,0,0,.25); transition: transform .15s; }
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* Apparition */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Tablette */
@media (max-width: 980px) {
  .hero-in, .explain { grid-template-columns: 1fr; gap: 40px; }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .prog { grid-template-columns: 1fr 1fr; }
  .prog-time { grid-column: 1 / -1; flex-direction: row !important; gap: 14px; }
  .prog-time .big { margin: 0; }
  .plans, .tiers { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .plans .star { order: -1; }
  .quote { transform: none; }
}
/* Mobile */
@media (max-width: 760px) {
  .menu { position: absolute; top: 68px; left: 0; right: 0; background: var(--navy); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; display: none; }
  .nav.open .menu { display: flex; }
  .menu a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .menu .btn { margin-top: 14px; }
  .burger { display: block; }
  .hero { padding: 104px 0 72px; }
  .brush-r { width: 220px; top: 90px; }
  .brush-w { display: none; }
  .sec { padding: 64px 0; }
  .grid4, .prog, .sim-row, .form { grid-template-columns: 1fr; }
  .cta-row .btn { flex: 1 1 100%; }
  .form, .sim { padding: 22px 18px; }
  .wrap { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }