/* Okoumé Campus · site vitrine. Couleurs du drapeau gabonais en bandeau ; sobre, lisible sur téléphone. */
:root{
  --green:#009E60; --yellow:#FCD116; --blue:#3A75C4;
  --bg:#F4F7F5; --surface:#FFFFFF; --surface-2:#E8F0EB; --fg:#13251B; --muted:#53675B; --line:#D3E0D8;
  --accent:#00804E; --accent-ink:#FFFFFF; --deep:#00412B; --deep-fg:#E3F4EA; --deep-muted:#A7CDB8;
  --good:#0A7F4C; --good-bg:#DDF3E7; --crit:#B4361A; --crit-bg:#FBE3DB;
  --display:"Bricolage Grotesque","Trebuchet MS",system-ui,sans-serif; --body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --w:1160px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0B1510; --surface:#11201A; --surface-2:#182B22; --fg:#E4EFE8; --muted:#97AC9F; --line:#24382D;
  --accent:#2FBF7E; --accent-ink:#06150D; --deep:#06241A; --deep-fg:#DCEFE4; --deep-muted:#8DB59F;
  --good:#45CC8A; --good-bg:#123826; --crit:#F08562; --crit-bg:#3D1A10; color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth} @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(34px,5.4vw,60px)} h2{font-size:clamp(26px,3.4vw,38px)} h3{font-size:19px}
p{margin:0}
.wrap{max-width:var(--w);margin:0 auto;padding:0 max(16px,env(safe-area-inset-left))}
.eyebrow{font:600 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:60ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 20px;border-radius:10px;border:1px solid transparent;
  background:var(--accent);color:var(--accent-ink);font:700 15px var(--body);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.06)} .btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)} .btn.ghost:hover{background:var(--surface)}
.btn.light{background:var(--yellow);color:#2B2300}
/* en-tête */
.flag{height:5px;background:linear-gradient(90deg,var(--green) 0 33.3%,var(--yellow) 33.3% 66.6%,var(--blue) 66.6%)}
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;font:700 19px var(--display);color:var(--fg);text-decoration:none;margin-right:auto}
.mark{width:30px;height:30px;border-radius:8px;overflow:hidden;display:grid;grid-template-rows:1fr 1fr 1fr;border:2px solid var(--fg)}
.mark i:nth-child(1){background:var(--green)} .mark i:nth-child(2){background:var(--yellow)} .mark i:nth-child(3){background:var(--blue)}
.top nav{display:flex;gap:4px}
.top nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14.5px;padding:8px 10px;border-radius:8px} .top nav a:hover{color:var(--fg);background:var(--surface)}
@media (max-width:860px){.top nav{display:none}}
/* hero */
.hero{padding:clamp(44px,7vw,92px) 0 40px}
.hero .grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
@media (max-width:960px){.hero .grid{grid-template-columns:minmax(0,1fr)}}
.hero h1{margin:14px 0 18px} .hero h1 em{font-style:normal;color:var(--accent)}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.facts{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;color:var(--muted);font-size:14px}
.facts span::before{content:"";display:inline-block;width:7px;height:7px;border-radius:2px;background:var(--green);margin-right:8px;vertical-align:1px}
.facts span:nth-child(2)::before{background:var(--yellow)} .facts span:nth-child(3)::before{background:var(--blue)}
.shot{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:0 1px 0 rgba(0,0,0,.03),0 24px 60px -28px rgba(0,60,35,.35)}
.shot .bar{display:flex;gap:6px;align-items:center;padding:9px 12px;border-bottom:1px solid var(--line);font:500 11.5px var(--mono);color:var(--muted)}
.shot .bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.stack-shots{position:relative}
.stack-shots .phone{position:absolute;right:-10px;bottom:-34px;width:31%;border-radius:22px;border:6px solid #15201A;box-shadow:0 24px 50px -20px rgba(0,0,0,.45);overflow:hidden;background:#15201A}
@media (max-width:560px){.stack-shots .phone{display:none}}
/* sections */
section{padding:clamp(56px,7vw,96px) 0}
.head{max-width:720px;margin-bottom:36px} .head h2{margin:10px 0 12px}
.alt{background:var(--surface);border-block:1px solid var(--line)}
.modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:900px){.modules{grid-template-columns:repeat(2,minmax(0,1fr))}} @media (max-width:560px){.modules{grid-template-columns:minmax(0,1fr)}}
.mod{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:20px}
.alt .mod{background:var(--bg)} .mod h3{margin:10px 0 6px} .mod p{color:var(--muted);font-size:14.5px}
.tag{display:inline-block;font:600 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:6px;background:var(--surface-2);color:var(--muted)}
.tag.new{background:var(--good-bg);color:var(--good)}
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:48px;align-items:center;margin-top:64px}
.feature.rev{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)} .feature.rev .txt{order:2}
@media (max-width:900px){.feature,.feature.rev{grid-template-columns:minmax(0,1fr);gap:24px} .feature.rev .txt{order:0}}
.feature h3{font-size:clamp(22px,2.6vw,28px);margin:10px 0 12px}
.feature ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:9px}
.feature li{padding-left:26px;position:relative;color:var(--muted)} .feature li b{color:var(--fg)}
.feature li::before{content:"";position:absolute;left:2px;top:.55em;width:12px;height:7px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}
/* publics */
.publics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px} @media (max-width:760px){.publics{grid-template-columns:minmax(0,1fr)}}
.pub{border-radius:16px;padding:26px;border:1px solid var(--line);background:var(--surface)}
.pub h3{font-size:22px;margin:8px 0 10px} .pub p{color:var(--muted)}
.pub ul{margin:14px 0 0;padding-left:18px;color:var(--muted)} .pub li{margin:4px 0}
/* offres */
.offres{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:stretch} @media (max-width:900px){.offres{grid-template-columns:minmax(0,1fr)}}
.offre{display:flex;flex-direction:column;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px}
.offre.star{border:2px solid var(--accent);position:relative}
.offre.star::before{content:"Le plus choisi";position:absolute;top:-12px;left:24px;background:var(--yellow);color:#2B2300;font:700 12px var(--body);padding:3px 10px;border-radius:99px}
.prix{font:700 40px var(--display);letter-spacing:-.02em;font-variant-numeric:tabular-nums} .prix small{font:500 14px var(--body);color:var(--muted);letter-spacing:0}
.offre ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:14.5px;flex:1}
.offre li{padding-left:22px;position:relative} .offre li::before{content:"";position:absolute;left:1px;top:.5em;width:10px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.offre .btn{width:100%}
.note{font-size:13.5px;color:var(--muted);margin-top:18px}
/* étapes */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:s} @media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}} @media (max-width:520px){.steps{grid-template-columns:minmax(0,1fr)}}
.step{counter-increment:s;padding:20px;border-radius:14px;background:var(--bg);border:1px solid var(--line)}
.step::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--deep);color:var(--yellow);font:700 16px var(--display);margin-bottom:12px}
.step p{color:var(--muted);font-size:14.5px;margin-top:6px}
/* bandeau sombre */
.band{background:var(--deep);color:var(--deep-fg)}
.band .eyebrow{color:var(--yellow)} .band .lead{color:var(--deep-muted)}
.band .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center} @media (max-width:900px){.band .grid{grid-template-columns:minmax(0,1fr)}}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.kpi{border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px}
.kpi b{display:block;font:700 30px var(--display);color:#fff} .kpi span{font-size:14px;color:var(--deep-muted)}
/* faq */
.faq{display:grid;gap:10px;max-width:820px}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 18px}
summary{cursor:pointer;list-style:none;padding:16px 28px 16px 0;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:12px;font:400 24px var(--body);color:var(--muted)}
details[open] summary::after{content:"−"}
details p{padding:0 0 16px;color:var(--muted)}
/* contact */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px} @media (max-width:900px){.contact{grid-template-columns:minmax(0,1fr)}}
form.f{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px}
@media (max-width:560px){form.f{grid-template-columns:minmax(0,1fr);padding:18px}}
form.f .full{grid-column:1/-1}
label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:600;color:var(--muted)}
input,select,textarea{font:inherit;font-size:15px;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:10px 12px;min-width:0;width:100%}
textarea{min-height:110px;resize:vertical}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.check{flex-direction:row;align-items:flex-start;gap:10px;font-weight:500} .check input{width:auto;margin-top:4px}
.coord{display:grid;gap:14px;margin-top:22px}
.coord div{display:flex;gap:12px;align-items:flex-start} .coord b{display:block}
.ic{flex:none;width:38px;height:38px;border-radius:10px;background:var(--surface-2);display:grid;place-items:center;color:var(--accent)}
.flash{border-radius:12px;padding:14px 16px;font-weight:600;margin-bottom:16px}
.flash.ok{background:var(--good-bg);color:var(--good)} .flash.err{background:var(--crit-bg);color:var(--crit)}
/* pied */
footer{border-top:1px solid var(--line);padding:36px 0 44px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center} footer .brand{font-size:16px;margin-right:auto}
footer a{color:var(--muted)}
/* pages simples */
.page{padding:64px 0 80px} .page .card{max-width:760px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(22px,4vw,40px)}
.page h1{font-size:clamp(28px,4vw,40px);margin:10px 0 16px} .page h2{font-size:20px;margin:26px 0 8px} .page p,.page li{color:var(--muted)}
.todo{background:#FFF0C9;color:#6A4A00;border-radius:4px;padding:0 4px}
.brand{white-space:nowrap}
@media (max-width:420px){.top .btn{padding:9px 14px;font-size:14px;min-height:40px} .brand{font-size:17px}}