/* Lemon Mint — identité vert citron.
   Layout : bandes pleine largeur, contenu centré sur 1120px, grilles qui passent en une colonne sous 720px. */
:root {
  --lime: #c6f028;        /* vert citron, accent principal */
  --lime-deep: #8fc400;   /* citron mûr, survols et bordures */
  --mint: #c9f4df;        /* touche menthe, fonds secondaires */
  --ink: #10281c;         /* encre vert sombre, textes */
  --ink-soft: #3f5a4c;    /* textes secondaires */
  --paper: #fbfdf3;       /* fond zeste, blanc légèrement citronné */
  --paper-2: #f1f7dc;     /* fond de section */
  --line: #d9e6c4;
  --white: #ffffff;
  --font-display: "Syne", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Manrope", "Helvetica Neue", Arial, sans-serif;
  --radius: 18px;
  --maxw: 1120px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; margin: 0 0 .5em; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; max-width: 65ch; }
.lead { font-size: 1.2rem; color: var(--ink-soft); }
.eyebrow { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--lime-deep); margin-bottom: .8em; display: block; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

.wrap { max-width: var(--maxw); margin-inline: auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.band { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.band--alt { background: var(--paper-2); }
.band--ink { background: var(--ink); color: var(--paper); }
.band--ink .eyebrow { color: var(--lime); }
.band--ink p { color: #c9d9cf; }
.band--mint { background: var(--mint); }

/* En-tête */
.header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; }
.brand svg { width: 38px; height: 38px; }
.nav { display: flex; gap: 1.4rem; align-items: center; }
.nav a { text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--ink-soft); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; padding: .45rem .7rem; font: inherit; cursor: pointer; }
@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 72px; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: .5rem 20px 1rem; }
  .nav.is-open { display: flex; }
  .nav a { padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: .8rem; text-align: center; }
}

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .85rem 1.4rem; border-radius: 999px; font-family: var(--font-display); font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: 1rem; transition: transform .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--lime { background: var(--lime); color: var(--ink); }
.btn--lime:hover { background: var(--lime-deep); }
.btn--ink { background: var(--ink); color: var(--lime); }
.btn--ink:hover { background: #1b3a2a; }
.btn--ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.band--ink .btn--ghost { border-color: var(--lime); color: var(--lime); }

/* Héros */
.hero { position: relative; overflow: hidden; padding-block: clamp(3.5rem, 9vw, 7rem); background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero h1 em { font-style: normal; background: linear-gradient(transparent 55%, var(--lime) 55%); padding: 0 .1em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero-art { position: relative; min-height: 320px; }
.hero-art svg { width: 100%; height: auto; display: block; }
.hero-note { font-size: .9rem; color: var(--ink-soft); margin-top: 1rem; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } .hero-art { min-height: 0; max-width: 420px; } }

/* Bandeau chiffres */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 2.5rem; }
.stat { border-top: 3px solid var(--lime); padding-top: .8rem; }
.stat b { display: block; font-family: var(--font-display); font-size: 1.9rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.stat span { color: var(--ink-soft); font-size: .92rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* Grilles de cartes */
.grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 2.2rem; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; min-width: 0; display: flex; flex-direction: column; gap: .5rem; }
.card .icon { width: 46px; height: 46px; border-radius: 12px; background: var(--lime); display: grid; place-items: center; margin-bottom: .6rem; }
.card .icon svg { width: 24px; height: 24px; }
.card p { font-size: .98rem; color: var(--ink-soft); margin: 0; }
.card ul { margin: .4rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: .95rem; }
.card--featured { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.card--featured p, .card--featured ul { color: #c9d9cf; }
.card--featured .icon { background: var(--lime); }
.card--featured .btn { margin-top: auto; align-self: flex-start; }

/* Étapes (vraie séquence) */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; margin-top: 2.2rem; counter-reset: step; }
.step { position: relative; padding: 1.4rem 1.4rem 1.4rem 1.4rem; background: var(--white); border-radius: var(--radius); border: 1px solid var(--line); min-width: 0; }
.step::before { counter-increment: step; content: counter(step); font-family: var(--font-display); font-weight: 800; font-size: 2.4rem; line-height: 1; color: var(--lime-deep); display: block; margin-bottom: .6rem; }
.step h3 { font-size: 1.1rem; }
.step p { font-size: .95rem; color: var(--ink-soft); margin: 0; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Deux colonnes texte / visuel */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split > * { min-width: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2rem; } }
.check { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .7rem; }
.check li { display: flex; gap: .7rem; align-items: flex-start; }
.check li::before { content: ""; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310281c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/14px no-repeat; margin-top: .2rem; }

/* Secteurs */
.sectors { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }
.sectors span { padding: .45rem .9rem; border-radius: 999px; background: var(--white); border: 1px solid var(--line); font-size: .92rem; font-weight: 600; }
.sectors a { padding: .45rem .9rem; border-radius: 999px; background: var(--lime); border: 1px solid var(--lime-deep); font-size: .92rem; font-weight: 700; text-decoration: none; }

/* Citation / accroche */
.zest { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 700; max-width: 22ch; }

/* FAQ */
.faq { margin-top: 2rem; display: grid; gap: .7rem; max-width: 820px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.2rem; }
.faq summary { cursor: pointer; font-weight: 700; font-family: var(--font-display); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::after { content: "+"; color: var(--lime-deep); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: .8rem 0 0; color: var(--ink-soft); font-size: .97rem; }

/* Formulaire */
.form { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; }
.form .full { grid-column: 1 / -1; }
.form label { display: grid; gap: .35rem; font-size: .9rem; font-weight: 600; }
.form input, .form select, .form textarea { font: inherit; padding: .75rem .9rem; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); width: 100%; }
.form textarea { min-height: 130px; resize: vertical; }
.form .hint { grid-column: 1 / -1; font-size: .88rem; color: var(--ink-soft); margin: 0; }
@media (max-width: 640px) { .form { grid-template-columns: 1fr; } }
.contact-aside { display: grid; gap: 1.2rem; align-content: start; }
.contact-aside .card { gap: .2rem; }
.contact-aside dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--lime-deep); font-weight: 700; }
.contact-aside dd { margin: 0 0 .8rem; }

/* CTA final */
.cta { text-align: left; }
.cta .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; }
.cta .actions { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: flex-start; }
@media (max-width: 860px) { .cta .wrap { grid-template-columns: 1fr; } }

/* Pied de page */
.footer { background: var(--ink); color: #c9d9cf; padding-block: 3rem 2rem; font-size: .92rem; }
.footer .wrap { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; }
.footer .brand { color: var(--paper); }
.footer h4 { color: var(--paper); font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: .8rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.footer a { color: #c9d9cf; text-decoration: none; }
.footer a:hover { color: var(--lime); }
.footer .legal { grid-column: 1 / -1; border-top: 1px solid #27443a; padding-top: 1.2rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; font-size: .85rem; color: #8fa698; }
.placeholder { color: var(--lime); font-style: italic; }
@media (max-width: 760px) { .footer .wrap { grid-template-columns: 1fr; } }

/* Page intérieure : en-tête compact */
.page-head { padding-block: clamp(3rem, 7vw, 5rem); background: var(--mint); }
.page-head p { color: var(--ink-soft); }