:root{
--paper:#f5f2ec;
--white:#ffffff;
--ink:#16241f;
--muted:#5d6b65;
--line:#e1dbd0;
--deep:#123a33;
--deep-2:#1b4a41;
--accent:#c2410c;
--accent-2:#e2733f;
--soft:#ebe6dc;
--font-display:"DM Serif Display",Georgia,serif;
--font-body:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
--radius:16px;
--gutter:clamp(1.15rem,0.8rem + 2vw,2.5rem);
--section-y:clamp(3.5rem,2.5rem + 4vw,6.5rem);
--shadow:0 2px 6px rgba(22,36,31,.06),0 18px 40px -18px rgba(22,36,31,.22);
--ease:cubic-bezier(.22,.61,.36,1);
--header-h:70px;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 1rem);-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:1.03rem;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul[class]{list-style:none}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:1.1;letter-spacing:-.01em;text-wrap:balance}
em{font-style:italic;color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:calc(1200px + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.section--tight{padding-top:0}
.section--soft{background:var(--soft)}

.kicker{display:inline-flex;align-items:center;gap:.7rem;font-size:.75rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.kicker::before{content:"";width:1.8rem;height:2px;background:currentColor}
.kicker--light{color:var(--accent-2)}
.section-head{margin-bottom:clamp(2rem,4vw,3rem);display:grid;gap:.6rem}
.section-title{font-size:clamp(1.9rem,1.4rem + 2vw,2.8rem)}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;font-size:.8rem;color:var(--muted);font-weight:500}
.tag{display:inline-block;padding:.2em .75em;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.7rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.85em 1.5em;border-radius:999px;font-weight:700;font-size:.9rem;text-decoration:none;white-space:nowrap;transition:background-color .25s var(--ease),transform .25s var(--ease)}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:#a8370a;transform:translateY(-1px)}
.btn--sm{padding:.6em 1.1em;font-size:.8rem}
.btn--lg{padding:1em 1.9em;font-size:1rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 10px rgba(22,36,31,.06)}
.site-header__inner{display:flex;align-items:center;gap:1.5rem;height:var(--header-h)}
.logo{font-family:var(--font-display);font-size:1.55rem;letter-spacing:.02em;text-decoration:none;color:var(--ink);margin-right:auto}
.logo:hover{color:var(--accent)}
.site-nav ul{display:flex;gap:clamp(1rem,2vw,1.8rem)}
.site-nav a{font-size:.88rem;font-weight:500;text-decoration:none;padding-block:.4em;border-bottom:1px solid transparent;transition:border-color .25s,color .25s}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--accent);border-bottom-color:var(--accent)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .2s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Masthead */
.masthead{padding-block:clamp(3rem,2rem + 5vw,6rem) clamp(2rem,4vw,3.5rem);text-align:center}
.masthead .kicker{justify-content:center}
.masthead__title{font-size:clamp(3.2rem,2rem + 7vw,7rem);line-height:.95;margin-top:1rem;letter-spacing:-.03em}
.masthead__lede{max-width:52ch;margin:1.2rem auto 0;color:var(--muted);font-size:1.12rem}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.chip{padding:.45em 1em;border:1px solid var(--line);border-radius:999px;font-size:.82rem;font-weight:500;text-decoration:none;background:var(--white);transition:all .25s var(--ease)}
.chip:hover{background:var(--deep);border-color:var(--deep);color:#fff}

/* Feature */
.feature{display:grid;grid-template-columns:1.15fr 1fr;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature__media{position:relative;min-height:420px;overflow:hidden}
.feature__media img,.post__media img,.video__player img,.carousel__slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.feature:hover .feature__media img,.post:hover .post__media img{transform:scale(1.04)}
.feature__body{display:flex;flex-direction:column;justify-content:center;gap:1.1rem;padding:clamp(1.75rem,1rem + 3vw,3.5rem)}
.feature__title{font-size:clamp(1.8rem,1.3rem + 1.8vw,2.6rem)}
.feature__body>p:not(.meta),.post__body>p:not(.meta){color:var(--muted)}

/* Lire la suite */
.more summary{display:inline-flex;align-items:center;gap:.5em;list-style:none;cursor:pointer;font-weight:700;font-size:.88rem;color:var(--accent);padding:.55em 1.1em;border:1px solid currentColor;border-radius:999px;transition:background-color .25s,color .25s}
.more summary::-webkit-details-marker{display:none}
.more summary:hover{background:var(--accent);color:#fff}
.more summary i{transition:transform .3s var(--ease)}
.more[open] summary i{transform:rotate(-90deg)}
.more__close{display:none}
.more[open] .more__open{display:none}
.more[open] .more__close{display:inline}
.more p{margin-top:1rem;color:var(--muted);animation:fade .4s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Posts */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.25rem,2.5vw,2rem);align-items:start}
.posts--wide{grid-template-columns:1fr;gap:1.75rem}
.post{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .35s var(--ease)}
.post:hover{transform:translateY(-4px)}
.post__media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--soft)}
.post__body{display:flex;flex-direction:column;align-items:flex-start;gap:.9rem;padding:1.6rem}
.post__title{font-size:clamp(1.3rem,1.1rem + .6vw,1.6rem)}
.post--row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.post--row .post__media{aspect-ratio:auto;min-height:320px}
.post--row .post__body{padding:clamp(1.6rem,1rem + 2vw,2.75rem);justify-content:center}

/* Article ouvert : lecture magazine (ordinateur) */
@media (min-width:901px){
.posts{grid-auto-flow:row dense}
.post:has(.more[open]){grid-column:1/-1;display:block}
.post:has(.more[open]):hover{transform:none}
.post:has(.more[open]) .post__media{aspect-ratio:auto;min-height:0;height:clamp(280px,30vw,420px)}
.post:has(.more[open]) .post__body{max-width:760px;margin-inline:auto;padding:clamp(2rem,1rem + 3vw,3.5rem) var(--gutter);gap:1.2rem}
.post:has(.more[open]) .post__title{font-size:clamp(1.8rem,1.3rem + 1.6vw,2.6rem)}
.feature:has(.more[open]){grid-template-columns:1fr}
.feature:has(.more[open]) .feature__media{min-height:clamp(300px,34vw,460px)}
.feature:has(.more[open]) .feature__body{width:100%;max-width:760px;margin-inline:auto}
.more[open]{width:100%}
.more[open] p{font-size:1.08rem;line-height:1.85;margin-top:1.4rem}
}

/* Carousels */
.carousel__head{display:flex;justify-content:space-between;align-items:flex-end;gap:1.5rem;margin-bottom:1.75rem}
.carousel__head>div:first-child{display:grid;gap:.6rem}
.carousel__nav{display:flex;gap:.5rem}
.round-btn{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;border:1px solid var(--ink);transition:background-color .25s,color .25s}
.round-btn:hover{background:var(--ink);color:#fff}
.carousel__track{display:grid;grid-auto-flow:column;grid-auto-columns:clamp(200px,22%,260px);gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:.75rem;scrollbar-width:thin;scrollbar-color:var(--line) transparent;overscroll-behavior-x:contain}
.carousel__track--square{grid-auto-columns:clamp(190px,20%,240px)}
.carousel__slide{scroll-snap-align:start}
.carousel__slide figure{position:relative;aspect-ratio:4/5;border-radius:12px;overflow:hidden;background:var(--line)}
.carousel__track--square .carousel__slide figure{aspect-ratio:1/1}
.carousel__slide:hover img{transform:scale(1.05)}
.carousel__slide figcaption{position:absolute;left:.6rem;right:.6rem;bottom:.6rem;padding:.4em .8em;border-radius:8px;background:color-mix(in srgb,var(--deep) 78%,transparent);backdrop-filter:blur(6px);color:#fff;font-size:.78rem;font-weight:500}

/* Vidéo */
.video-section{background:var(--deep);color:#eef3ea}
.video{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.video__text{display:grid;gap:1.1rem}
.video__text>p:not(.kicker){color:#b7c9bf}
.video__meta{display:flex;flex-wrap:wrap;gap:1.25rem;font-size:.88rem;color:#b7c9bf}
.video__meta i{color:var(--accent-2);margin-right:.35em}
.video__player{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:var(--deep-2);box-shadow:0 30px 60px -25px rgba(0,0,0,.6)}
.video__player::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,30,26,.55),transparent 60%)}
.video__play{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:clamp(4rem,3rem + 3vw,5.5rem);aspect-ratio:1;border-radius:50%;background:var(--accent);color:#fff;font-size:1.4rem;animation:pulse 2.4s var(--ease) infinite;transition:transform .3s var(--ease)}
.video__play i{margin-left:.15em}
.video__play:hover{transform:translate(-50%,-50%) scale(1.08)}
.video__toast{position:absolute;z-index:2;left:50%;bottom:1rem;transform:translate(-50%,8px);padding:.5em 1.1em;border-radius:999px;background:rgba(10,30,26,.8);font-size:.85rem;white-space:nowrap;opacity:0;transition:opacity .35s,transform .35s;pointer-events:none}
.video__player.is-open .video__toast{opacity:1;transform:translate(-50%,0)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(226,115,63,.55)}100%{box-shadow:0 0 0 1.6rem rgba(226,115,63,0)}}

/* Slots */
.slots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}
.slot{display:flex;flex-direction:column;gap:.75rem;padding:1.75rem;border:2px dashed var(--line);border-radius:var(--radius);transition:border-color .3s,background-color .3s}
.slot:hover{border-color:var(--accent);background:var(--white)}
.slot__icon{display:grid;place-items:center;width:3rem;height:3rem;border-radius:50%;background:var(--deep);color:#fff}
.slot>p:last-child{color:var(--muted);font-size:.9rem}

/* CTA */
.cta{background:radial-gradient(120% 120% at 80% 0%,var(--deep-2) 0%,var(--deep) 60%);color:#eef3ea;text-align:center}
.cta__inner{display:flex;flex-direction:column;align-items:center;gap:1.25rem}
.cta__title{font-size:clamp(2.2rem,1.5rem + 3vw,3.8rem);max-width:18ch}
.cta em{color:var(--accent-2)}
.cta__inner>p:not(.kicker){color:#b7c9bf;max-width:50ch}

/* Footer */
.site-footer{background:#0d2621;color:#e4ece6;padding-block:4rem 1.5rem;font-size:.9rem}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--accent-2)}
.site-footer__grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:2.5rem}
.site-footer .logo{color:#fff;display:inline-block;margin-bottom:.8rem}
.site-footer__brand p{color:#9fb3a8;max-width:34ch}
.site-footer h4{font-family:var(--font-body);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#9fb3a8;margin-bottom:1rem}
.site-footer ul{display:grid;gap:.6rem;list-style:none}
.site-footer__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);font-size:.78rem;color:#9fb3a8}

@media (max-width:900px){
.nav-toggle{display:flex}
.site-nav{position:fixed;inset:var(--header-h) 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);padding:1rem var(--gutter) 2rem;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s,transform .3s,visibility .3s}
body.nav-open .site-nav{opacity:1;visibility:visible;transform:none}
.site-nav ul{flex-direction:column;gap:0}
.site-nav li{border-bottom:1px solid var(--line)}
.site-nav a{display:block;padding-block:1rem;font-family:var(--font-display);font-size:1.4rem;border:0}
.feature,.post--row,.video{grid-template-columns:1fr}
.feature__media{min-height:280px}
.post--row .post__media{min-height:0;aspect-ratio:3/2}
.posts,.slots{grid-template-columns:repeat(2,minmax(0,1fr))}
.carousel__track{grid-auto-columns:clamp(180px,38%,240px)}
.site-footer__grid{grid-template-columns:repeat(3,1fr)}
.site-footer__brand{grid-column:1/-1}
}
@media (max-width:600px){
.header-cta{display:none}
.posts,.slots{grid-template-columns:1fr}
.carousel__track{grid-auto-columns:68%}
.carousel__track--square{grid-auto-columns:62%}
.carousel__head{align-items:center}
.round-btn{width:40px;height:40px}
.chips{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;padding-bottom:.4rem}
.chip{flex:none}
.video__toast{white-space:normal;width:86%;text-align:center}
.site-footer__grid{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
html,.carousel__track{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}