:root{
  --bg:#f6f2ea; --paper:#fffdf8; --ink:#13241d; --ink2:#3d4d45; --muted:#6c7a72;
  --green:#0f3d2e; --green2:#1c5a44; --mint:#d8eadf; --coral:#e8743b; --coral2:#c95d27;
  --sand:#efe6d6; --line:#e3dbcc; --radius:18px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:17px/1.7 "DM Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--coral2)}
h1,h2,h3,h4{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.15;letter-spacing:-.015em;color:var(--green)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.sec{padding:96px 0}
.sec.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec.dark{background:var(--green);color:#e7efe9}
.sec.dark h2,.sec.dark h3{color:#fff}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--coral2);margin-bottom:14px}
.kicker::before{content:"";width:22px;height:2px;background:var(--coral)}
h2{font-size:clamp(30px,4.2vw,46px);margin-bottom:18px}
.intro{font-size:19px;color:var(--ink2);max-width:700px}
.center{text-align:center}.center .intro{margin:0 auto}

/* topbar + header */
.topbar{background:var(--green);color:#cfe0d6;font-size:13px;text-align:center;padding:8px 16px}
.topbar a{color:#fff;font-weight:600}
header{position:sticky;top:0;z-index:40;background:rgba(246,242,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-family:Fraunces,serif;font-weight:700;font-size:23px;color:var(--green);text-decoration:none}
.logo img{width:36px;height:36px}
.menu{display:flex;gap:28px;list-style:none;align-items:center}
.menu a{color:var(--ink2);text-decoration:none;font-weight:500;font-size:15px}
.menu a:hover,.menu a.active{color:var(--green)}
.menu a.active{box-shadow:0 2px 0 var(--coral)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:2px solid var(--green);color:var(--green);background:transparent;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--green);color:#fff}
.btn.fill{background:var(--coral);border-color:var(--coral);color:#fff}
.btn.fill:hover{background:var(--coral2);border-color:var(--coral2)}
.btn.sm{padding:9px 18px;font-size:14px}
.burger{display:none;background:none;border:2px solid var(--green);color:var(--green);border-radius:10px;padding:5px 11px;font-size:18px;cursor:pointer}
@media(max-width:980px){
  .menu{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);align-items:stretch}
  .menu.open{display:flex}
  .menu li a{display:block;padding:14px 22px;border-top:1px solid var(--line)}
  .menu .btn{margin:12px 22px;justify-content:center}
  .burger{display:block}
}

/* hero */
.hero{padding:70px 0 90px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,70px);margin-bottom:22px}
.hero h1 span{color:var(--coral);font-style:italic}
.hero p.intro{margin-bottom:32px}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{border-radius:28px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(15,61,46,.45)}
.trust{display:flex;gap:22px;margin-top:40px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.trust b{display:block;font-family:Fraunces,serif;font-size:26px;color:var(--green)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* path */
.path{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px;counter-reset:p}
@media(max-width:900px){.path{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.path{grid-template-columns:1fr}}
.path a{counter-increment:p;display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-decoration:none;color:var(--ink);transition:.2s}
.path a:hover{transform:translateY(-4px);border-color:var(--coral)}
.path a::before{content:"Étape " counter(p);display:block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--coral2);margin-bottom:10px}
.path h3{font-size:21px;margin-bottom:8px}
.path p{font-size:15px;color:var(--muted)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev .art{order:2}
@media(max-width:900px){.split{grid-template-columns:1fr}.split.rev .art{order:0}}
.art img{border-radius:24px;border:1px solid var(--line)}
.prose-block p{color:var(--ink2);margin-bottom:14px}
.ticks{list-style:none;margin:18px 0}
.ticks li{position:relative;padding:8px 0 8px 34px;color:var(--ink2)}
.ticks li::before{content:"✓";position:absolute;left:0;top:8px;width:22px;height:22px;border-radius:50%;background:var(--mint);color:var(--green);font-size:13px;font-weight:700;display:grid;place-items:center}

/* compare */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:46px}
@media(max-width:820px){.duo{grid-template-columns:1fr}}
.duo .col{background:var(--paper);border-radius:var(--radius);padding:32px;border:1px solid var(--line);position:relative;overflow:hidden}
.duo .col::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;opacity:.5}
.duo .acc::after{background:var(--mint)} .duo .dist::after{background:#f8dccb}
.duo .badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px;position:relative;z-index:1}
.acc .badge{background:var(--mint);color:var(--green)} .dist .badge{background:#f8dccb;color:var(--coral2)}
.duo h3{font-size:26px;margin-bottom:10px;position:relative;z-index:1}
.duo p{color:var(--ink2);font-size:16px;position:relative;z-index:1}
.duo dl{margin-top:18px;display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:15px}
.duo dt{font-weight:700;color:var(--green)} .duo dd{color:var(--ink2)}
.verdict{margin-top:24px;background:var(--sand);border-radius:var(--radius);padding:24px 28px;border-left:5px solid var(--coral)}
.verdict p{color:var(--ink2)}

/* criteria */
.crit{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
@media(max-width:900px){.crit{grid-template-columns:1fr}}
.crit div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px}
.crit .n{font-family:Fraunces,serif;font-size:38px;color:var(--coral);line-height:1;margin-bottom:12px}
.crit h3{font-size:20px;margin-bottom:8px}
.crit p{font-size:15px;color:#bcd0c4}
.idx{margin-top:40px;overflow-x:auto;border-radius:var(--radius);border:1px solid rgba(255,255,255,.14)}
.idx table{width:100%;border-collapse:collapse;min-width:680px;font-size:15px}
.idx th,.idx td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}
.idx th{background:rgba(255,255,255,.08);color:#fff;font-weight:700}
.idx td{color:#d5e3da}

/* calculator */
.calc{display:grid;grid-template-columns:380px 1fr;gap:24px;margin-top:40px}
@media(max-width:940px){.calc{grid-template-columns:1fr}}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.f{margin-bottom:20px}
.f label{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;font-weight:600;color:var(--ink2);margin-bottom:8px}
.f .val{display:flex;align-items:center;gap:6px}
.f input[type=number]{width:110px;text-align:right;border:1px solid var(--line);border-radius:8px;padding:5px 8px;font:inherit;font-weight:700;color:var(--green);background:var(--bg)}
.f input[type=range]{width:100%;accent-color:var(--coral)}
.seg{display:flex;background:var(--bg);border-radius:999px;padding:4px;border:1px solid var(--line)}
.seg button{flex:1;border:none;background:none;padding:9px;border-radius:999px;font:inherit;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--green);color:#fff}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
@media(max-width:600px){.kpis{grid-template-columns:1fr}}
.kpi{background:var(--bg);border-radius:14px;padding:16px 18px}
.kpi span{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.kpi b{display:block;font-family:Fraunces,serif;font-size:27px;color:var(--green);margin-top:2px}
.kpi.hi{background:var(--green)} .kpi.hi span{color:#a9c8b8} .kpi.hi b{color:#fff}
#chart{width:100%;height:auto}
.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.insight{margin-top:18px;background:var(--mint);border-radius:14px;padding:16px 18px;font-size:15px;color:var(--green)}
.yt{margin-top:18px}
.yt summary{cursor:pointer;font-weight:700;color:var(--green)}
.yt table{width:100%;border-collapse:collapse;font-size:14px;margin-top:12px}
.yt th,.yt td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:right}
.yt th:first-child,.yt td:first-child{text-align:left}
.small{font-size:13px;color:var(--muted);margin-top:14px}

/* glossary */
.gloss{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
@media(max-width:900px){.gloss{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.gloss{grid-template-columns:1fr}}
.gloss div{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px}
.gloss h4{font-size:18px;margin-bottom:6px}
.gloss p{font-size:15px;color:var(--ink2)}

/* faq */
.faq{max-width:820px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-family:Fraunces,serif;font-size:20px;color:var(--green);position:relative}
.faq summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:28px;color:var(--coral)}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 0 22px;color:var(--ink2)}

/* cta */
.cta{background:var(--coral);border-radius:28px;padding:56px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;color:#fff}
.cta h2{color:#fff;margin-bottom:8px}
.cta p{color:#ffe8dc}
.cta .btn{border-color:#fff;color:#fff}.cta .btn:hover{background:#fff;color:var(--coral2)}
@media(max-width:760px){.cta{grid-template-columns:1fr;padding:36px}}

/* blog cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.pc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:.2s}
.pc:hover{transform:translateY(-4px);box-shadow:0 20px 40px -24px rgba(15,61,46,.35)}
.pc img{aspect-ratio:16/9;object-fit:cover;width:100%}
.pc .b{padding:22px;display:flex;flex-direction:column;flex:1}
.pc .tag{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--coral2)}
.pc h3{font-size:21px;margin:8px 0}
.pc p{font-size:15px;color:var(--muted);flex:1}
.pc .rd{font-size:13px;color:var(--muted);margin-top:14px}

/* inner pages */
.ph{padding:70px 0 50px;background:var(--paper);border-bottom:1px solid var(--line)}
.ph h1{font-size:clamp(36px,5vw,56px);margin-bottom:12px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.prose{max-width:760px;margin:0 auto;padding:60px 0 100px}
.prose h2{font-size:30px;margin:46px 0 14px}
.prose h3{font-size:22px;margin:30px 0 10px}
.prose p,.prose li{color:var(--ink2);margin-bottom:13px}
.prose ul,.prose ol{padding-left:22px;margin-bottom:16px}
.prose strong{color:var(--ink)}
.prose img{border-radius:20px;margin:26px 0;border:1px solid var(--line)}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.prose th,.prose td{padding:11px 13px;border:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--sand);color:var(--green)}
.note{background:var(--mint);border-radius:14px;padding:18px 22px;margin:22px 0;color:var(--green)}
.note p{color:var(--green);margin:0}
.updated{font-size:14px;color:var(--muted)}
.hl{background:#fbe2d3;color:var(--coral2);padding:0 5px;border-radius:4px;font-weight:600}
.post-head img{border-radius:24px;margin-top:30px}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:50px;flex-wrap:wrap}

/* contact */
.cgrid{display:grid;grid-template-columns:1.3fr 1fr;gap:26px;padding:60px 0 100px}
@media(max-width:860px){.cgrid{grid-template-columns:1fr}}
.form label{display:block;font-size:14px;font-weight:600;color:var(--ink2);margin-bottom:6px}
.form input,.form textarea,.form select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;color:var(--ink);margin-bottom:16px}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--coral);border-color:transparent}
.form textarea{min-height:150px}
.form .chk{display:flex;gap:10px;font-size:14px;color:var(--muted);margin-bottom:18px}
.form .chk input{width:auto;margin-top:5px}
.form-ok{display:none;margin-top:14px;color:var(--green);font-weight:600}

/* footer */
footer{background:var(--green);color:#b9cec2;padding:70px 0 34px;font-size:15px}
.fg{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
@media(max-width:860px){.fg{grid-template-columns:1fr 1fr}}
footer .logo{color:#fff;margin-bottom:14px}
footer h4{color:#fff;font-size:17px;margin-bottom:14px}
footer ul{list-style:none}
footer li{margin-bottom:9px}
footer a{color:#b9cec2;text-decoration:none}
footer a:hover{color:#fff}
.disc{margin-top:46px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#8fac9d}