/* ==========================================================================
   Oko — site vitrine (oko.bj)
   ========================================================================== */
:root {
  --green: #2f7d47;
  --green-dark: #1d4f30;
  --green-deep: #163d25;
  --leaf: #8cc152;
  --sun: #f0a531;
  --cream: #fbf3dc;
  --ink: #1f2a22;
  --muted: #5b6b55;
  --line: #e3e7dc;
  --tint: #f4f7ef;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(22, 61, 37, .08);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--ink); background: var(--white); line-height: 1.6; font-size: 17px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }
h1, h2, h3, .h1, .h3 { line-height: 1.2; color: var(--green-deep); margin: 0 0 .6em; }
h1, .h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); letter-spacing: -.02em; font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -.01em; }
h3, .h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46em; }
.small { font-size: .88rem; color: var(--muted); }
.center { text-align: center; }
.mt { margin-top: 2rem; }
.sr, .skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; z-index: 100; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }
:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; }

/* ---------- Boutons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .78rem 1.35rem; border-radius: 999px; font-weight: 700; font-size: .98rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .15s, box-shadow .15s; font-family: inherit; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 6px 16px rgba(47, 125, 71, .25); }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost { border-color: var(--green); color: var(--green); background: transparent; }
.btn-ghost:hover { background: var(--tint); }
.btn-sun { background: var(--sun); color: var(--green-deep); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.5); }
.btn-wa { background: #25d366; color: #0b3d1f; width: 100%; }

/* ---------- En-tête ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-in { display: flex; align-items: center; gap: 1rem; min-height: 72px; }
.logo { display: flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--green-deep); font-weight: 800; font-size: 1.45rem; line-height: 1; }
.logo img { width: 42px; height: 42px; }
.logo small { display: block; font-size: .7rem; font-weight: 600; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-top: 3px; }
.menu { margin-left: auto; display: flex; align-items: center; gap: .3rem; }
.menu a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; padding: .5rem .7rem; border-radius: 10px; }
.menu a:not(.btn):hover, .menu a.active { color: var(--green); background: var(--tint); }
.menu .btn { padding: .55rem 1.05rem; font-size: .92rem; margin-left: .3rem; }
.menu-toggle { display: none; margin-left: auto; width: 46px; height: 46px; border: 0; background: var(--tint); border-radius: 12px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span:not(.sr) { width: 22px; height: 2.5px; background: var(--green-deep); border-radius: 2px; transition: transform .2s, opacity .2s; }
@media (max-width: 980px) {
  .menu-toggle { display: flex; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 72px; background: #fff; flex-direction: column; align-items: stretch; padding: 1rem 20px 1.5rem; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .menu.open { display: flex; }
  .menu a:not(.btn) { padding: .8rem; font-size: 1.05rem; }
  .menu .btn { margin: .4rem 0 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

/* ---------- Carrousel ---------- */
.hero { background: linear-gradient(180deg, var(--tint) 0%, #fff 100%); padding: 2.5rem 0 3rem; overflow-x: hidden; overflow-x: clip; }
.carousel { position: relative; }
.slides { display: grid; }
.slide { grid-area: 1 / 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; opacity: 0; visibility: hidden; transform: translateX(24px); transition: opacity .6s ease, transform .6s ease, visibility .6s; }
.slide.is-active { opacity: 1; visibility: visible; transform: none; }
.slide-media img { width: 100%; border-radius: 28px; box-shadow: var(--shadow); }
.kicker { display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--green); background: #e5f1dc; padding: .35rem .8rem; border-radius: 999px; margin-bottom: 1rem; }
.slide-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.5rem; }
.carousel-nav { display: flex; align-items: center; justify-content: center; gap: .8rem; margin-top: 2rem; }
.car-btn { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--line); background: #fff; color: var(--green-deep); font-size: 1.5rem; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.car-btn:hover { border-color: var(--green); }
.car-pause { font-size: .8rem; letter-spacing: -1px; }
.dots { display: flex; gap: .5rem; }
.dot { width: 12px; height: 12px; padding: 0; border-radius: 999px; border: 0; background: #cfd8c6; cursor: pointer; transition: width .3s, background .3s; }
.dot.is-active { width: 34px; background: var(--green); }
@media (max-width: 860px) {
  .slide { grid-template-columns: 1fr; gap: 1.5rem; }
  .slide-media { order: -1; }
  .hero { padding-top: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) { .slide { transition: none; transform: none; } html { scroll-behavior: auto; } }

/* ---------- Listes à coches ---------- */
.checks { list-style: none; padding: 0; margin: 1rem 0; }
.checks li { position: relative; padding-left: 2rem; margin: .55rem 0; }
.checks li::before { content: ""; position: absolute; left: 0; top: .2em; width: 1.25rem; height: 1.25rem; border-radius: 50%; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 80% no-repeat; }

/* ---------- Sections ---------- */
.section { padding: 4.5rem 0; }
.section.tint { background: var(--tint); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 2.6rem; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.page-hero { background: linear-gradient(180deg, var(--tint), #fff); padding: 3.5rem 0 2.5rem; }
.grid { display: grid; gap: 1.4rem; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .g4 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } .section { padding: 3.2rem 0; } }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.two-col.reverse > :first-child { order: 2; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; gap: 2rem; } .two-col.reverse > :first-child { order: 0; } }
.rounded { border-radius: 26px; box-shadow: var(--shadow); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: 0 2px 8px rgba(22, 61, 37, .04); }
a.card { text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s, border-color .15s; }
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cfe0c2; }
.card p { color: var(--muted); margin: 0; }
.ico { width: 52px; height: 52px; border-radius: 14px; background: #e5f1dc; color: var(--green); display: grid; place-items: center; margin-bottom: 1rem; }
.ico svg { width: 26px; height: 26px; }
.ico.big { width: 62px; height: 62px; }
.problem .ico { background: #fdeccb; color: #a8661a; }
.solution .pain { font-style: italic; margin-bottom: .5rem; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.chips a { padding: .45rem .9rem; border-radius: 999px; background: #fff; border: 1px solid var(--line); text-decoration: none; font-weight: 600; font-size: .9rem; color: var(--green-deep); }
.chips a:hover { border-color: var(--green); }

/* ---------- Espèces ---------- */
.species { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.sp { text-align: center; background: #fff; border-radius: var(--radius); padding: 1.4rem 1rem; border: 1px solid var(--line); }
.sp img { width: 110px; height: 110px; margin: 0 auto .8rem; }
.sp strong { display: block; color: var(--green-deep); font-size: 1.05rem; }
.sp span { color: var(--muted); font-size: .9rem; }
@media (max-width: 860px) { .species { grid-template-columns: repeat(2, 1fr); } .sp img { width: 90px; height: 90px; } }

/* ---------- Étapes ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; counter-reset: s; }
.steps li { counter-increment: s; background: #fff; border-radius: var(--radius); padding: 1.6rem; border: 1px solid var(--line); }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--sun); color: var(--green-deep); font-weight: 800; font-size: 1.2rem; margin-bottom: 1rem; }
.steps strong { display: block; color: var(--green-deep); font-size: 1.1rem; margin-bottom: .3rem; }
.steps span { color: var(--muted); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Rôles ---------- */
.roles { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.role { background: var(--tint); border-radius: 14px; padding: 1rem 1.1rem; }
.role strong { display: block; color: var(--green-deep); }
.role span { color: var(--muted); font-size: .93rem; }
@media (max-width: 560px) { .roles { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq details { border: 1px solid var(--line); border-radius: 14px; margin-bottom: .8rem; background: #fff; }
.faq summary { cursor: pointer; padding: 1.1rem 1.3rem; font-weight: 700; color: var(--green-deep); list-style: none; position: relative; padding-right: 3rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 1.2rem; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--green); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 1.3rem 1.2rem; margin: 0; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 1.6rem; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-side { display: grid; gap: 1.4rem; }
.big-link { font-size: 1.3rem; font-weight: 800; text-decoration: none; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.2rem; }
.form .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form { grid-template-columns: 1fr; } }
.form label { display: grid; gap: .35rem; font-weight: 600; font-size: .93rem; color: var(--green-deep); }
.form input[type=text], .form input[type=tel], .form input[type=email], .form select, .form textarea { width: 100%; font: inherit; font-weight: 400; padding: .75rem .9rem; border: 1.5px solid #d5dccd; border-radius: 12px; background: #fff; color: var(--ink); }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--green); outline: none; box-shadow: 0 0 0 3px rgba(47,125,71,.15); }
.form fieldset { border: 1.5px solid #d5dccd; border-radius: 12px; padding: .8rem 1rem; margin: 0; }
.form legend { font-weight: 600; font-size: .93rem; color: var(--green-deep); padding: 0 .3rem; }
.check-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
@media (max-width: 700px) { .check-grid { grid-template-columns: repeat(2, 1fr); } }
.form label.check { display: flex; align-items: center; gap: .45rem; font-weight: 500; color: var(--ink); }
.hp { position: absolute; left: -9999px; }
.notice { border-radius: 12px; padding: 1rem 1.2rem; margin-bottom: 1.2rem; }
.notice.ok { background: #e3f3df; color: #1d4f30; }
.notice.err { background: #fbe6e4; color: #8a2a20; }

/* ---------- Texte long ---------- */
.prose h2 { font-size: 1.35rem; margin-top: 2rem; }

/* ---------- Bandeau d'appel ---------- */
.cta-band { background: linear-gradient(120deg, var(--green) 0%, var(--green-dark) 100%); color: #fff; padding: 3.2rem 0; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: .3rem; }
.cta-band p { color: #d7ead0; margin: 0; }
.cta-actions { display: flex; gap: .8rem; flex-wrap: wrap; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--green-deep); color: #cfe3c4; padding: 3.5rem 0 1.5rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-logo { width: 220px; margin-bottom: .8rem; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: .8rem; }
.site-footer a { display: block; color: #cfe3c4; text-decoration: none; padding: .18rem 0; }
.site-footer a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .88rem; }
.foot-bottom a { display: inline; }