/* Midnight grove — palette: midnight #050b14 · moon #e8f1ee · vein #f2c46b · canopy #3e8c4f · leaf #6fbf73 · mist #7fa6c9 */
@font-face{font-family:'Reem Kufi';font-weight:700;font-display:swap;src:url(../fonts/reem-kufi-arabic-700-normal.woff2) format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:'Reem Kufi';font-weight:700;font-display:swap;src:url(../fonts/reem-kufi-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Tajawal';font-weight:400;font-display:swap;src:url(../fonts/tajawal-arabic-400-normal.woff2) format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:'Tajawal';font-weight:400;font-display:swap;src:url(../fonts/tajawal-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Tajawal';font-weight:700;font-display:swap;src:url(../fonts/tajawal-arabic-700-normal.woff2) format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:'Tajawal';font-weight:700;font-display:swap;src:url(../fonts/tajawal-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Cormorant Garamond';font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/cormorant-garamond-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-weight:500;font-style:italic;font-display:swap;src:url(../fonts/cormorant-garamond-latin-500-italic.woff2) format('woff2')}

:root{
  color-scheme:dark;
  --midnight:#050b14; --moon:#e8f1ee; --vein:#f2c46b; --canopy:#3e8c4f; --leaf:#6fbf73; --mist:#7fa6c9;
  --f-body:'Tajawal',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-disp:'Reem Kufi','Tajawal',serif; --ds:1; --ls:0em;
  --ease:cubic-bezier(.2,.7,.1,1);
  --gut:clamp(16px,5vw,64px);
}
html:lang(fr),html:lang(en){--f-disp:'Cormorant Garamond',Georgia,serif;--ds:1.22;--ls:.2em}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--midnight)}
body{background:var(--midnight);color:var(--moon);font-family:var(--f-body);font-size:1.0625rem;line-height:1.75;min-height:100svh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
:focus-visible{outline:3px solid var(--mist);outline-offset:3px;border-radius:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;inset-block-start:-80px;inset-inline-start:12px;z-index:100;background:var(--vein);color:#1a1205;padding:12px 18px;border-radius:12px;font-weight:700;text-decoration:none}
.skip:focus{inset-block-start:12px}

/* layers */
.poster,#stage,#fx,.veil{position:fixed;inset:0 0 auto 0;width:100%;height:100vh;height:100lvh}
.poster{z-index:0;background:#050b14 url(../assets/tree-1280.webp) 50% 50%/cover no-repeat;transition:opacity 1.2s var(--ease)}
body.gl .poster{opacity:0}
body.no-gl .poster{animation:drift 60s ease-in-out infinite alternate;will-change:transform}
@keyframes drift{to{filter:saturate(1.15) brightness(1.06)}}
#stage{z-index:1;opacity:0;transition:opacity 1.2s var(--ease);touch-action:pan-y}
body.gl #stage{opacity:1}
#fx{z-index:2;pointer-events:none}
.veil{z-index:3;pointer-events:none;background:
  linear-gradient(to bottom,rgb(5 11 20/.72),rgb(5 11 20/0) 16%),
  linear-gradient(to top,rgb(5 11 20/.62),rgb(5 11 20/0) 38%)}

/* loader */
#loader{position:fixed;inset:0;z-index:60;display:grid;place-items:center;background:var(--midnight);transition:opacity 1s var(--ease),visibility 1s}
body.go #loader{opacity:0;visibility:hidden}
.seed{width:18px;height:18px;border-radius:50%;background:radial-gradient(circle,#fff6d8 0,var(--vein) 45%,rgb(242 196 107/0) 72%);box-shadow:0 0 40px 12px rgb(242 196 107/.35);animation:seed 1.6s ease-in-out infinite}
@keyframes seed{50%{transform:scale(1.9);box-shadow:0 0 70px 24px rgb(242 196 107/.5)}}

/* header */
.bar{position:fixed;inset:0 0 auto 0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(10px + env(safe-area-inset-top)) var(--gut) 10px}
.brand{display:flex;align-items:center;gap:10px;color:var(--moon);text-decoration:none;min-height:48px}
.brand-name{font-family:var(--f-disp);font-weight:700;font-size:calc(1.25rem*var(--ds));letter-spacing:0}
.lang{display:flex;gap:6px;padding:4px;border-radius:999px;background:rgb(5 11 20/.55);backdrop-filter:blur(10px);border:1px solid rgb(232 241 238/.12)}
.lang button{min-width:48px;min-height:48px;border-radius:999px;border:0;background:transparent;color:var(--moon);font:700 1rem var(--f-body);cursor:pointer;transition:background .3s,color .3s,transform .2s}
.lang button:active{transform:scale(.94)}
.lang button[aria-pressed=true]{background:var(--vein);color:#1a1205}

/* sap progress */
.sap{position:fixed;z-index:15;inset-inline-end:14px;inset-block:50% auto;transform:translateY(-50%);height:32vh;width:2px;background:linear-gradient(to top,rgb(242 196 107/.55),rgb(232 241 238/.08));border-radius:2px}
.sap i{position:absolute;inset-inline-start:50%;inset-block-end:calc(var(--p,0)*100%);width:10px;height:10px;margin:0 -5px -5px;border-radius:50%;background:#fff3cf;box-shadow:0 0 14px 4px rgb(242 196 107/.8)}

/* chapters */
main{position:relative;z-index:10}
.chap{min-height:140svh;display:flex;align-items:center;padding:calc(88px + env(safe-area-inset-top)) var(--gut)}
.chap#top{min-height:100svh}
.chap.end{min-height:100svh;align-items:flex-end;padding-block-end:calc(7vh + env(safe-area-inset-bottom))}
.chap:nth-of-type(3){justify-content:flex-end}
.card{position:relative;width:min(100%,28rem);padding:clamp(22px,4vw,34px);border-radius:28px;background:linear-gradient(160deg,rgb(9 20 33/.74),rgb(5 11 20/.6));backdrop-filter:blur(16px) saturate(1.25);-webkit-backdrop-filter:blur(16px) saturate(1.25);border:1px solid rgb(242 196 107/.2);box-shadow:0 40px 90px -40px #000,inset 0 1px 0 rgb(255 255 255/.07)}
.card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(135deg,rgb(242 196 107/.55),transparent 38%,transparent 70%,rgb(111 191 115/.35));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card.center{margin-inline:auto;text-align:center}
.card p{color:rgb(232 241 238/.9)}
.card>*+*{margin-top:.9rem}
.kicker{font-size:.82rem;font-weight:700;letter-spacing:var(--ls);text-transform:uppercase;color:var(--vein);display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:34px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--vein),transparent);flex:none}
html[dir=rtl] .kicker::before{background:linear-gradient(270deg,var(--vein),transparent)}
.card.center .kicker{justify-content:center}
h1,h2{font-family:var(--f-disp);font-weight:700;line-height:1.15;letter-spacing:0}
h2{font-size:calc(clamp(1.9rem,5vw,2.7rem)*var(--ds))}
h1{font-size:calc(clamp(2.8rem,min(13vw,10vh),6.4rem)*var(--ds));line-height:1.02;background:linear-gradient(180deg,#fff 5%,var(--moon) 45%,var(--vein) 130%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 26px rgb(242 196 107/.3))}
.tag{font-family:var(--f-disp);font-size:calc(1.25rem*var(--ds));color:var(--vein)!important}
.lead{max-width:34ch}
.cta{display:inline-flex;align-items:center;gap:10px;min-height:56px;padding:0 26px;border-radius:999px;font:700 1.05rem var(--f-body);color:#1a1205;text-decoration:none;background:linear-gradient(135deg,#ffe3a0,var(--vein) 55%,#e0a63f);box-shadow:0 10px 36px -8px rgb(242 196 107/.65),inset 0 1px 0 rgb(255 255 255/.5);transition:transform .25s var(--ease),box-shadow .25s}
.cta:hover{transform:translateY(-2px);box-shadow:0 16px 46px -8px rgb(242 196 107/.85),inset 0 1px 0 rgb(255 255 255/.5)}
.cta:active{transform:scale(.97)}
.cta svg{animation:nudge 1.8s ease-in-out infinite}
@keyframes nudge{50%{transform:translateY(4px)}}
.hint{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--vein)!important;font-weight:500}
.foot{font-size:.88rem;color:rgb(232 241 238/.65)!important}

/* reveal */
.rv{opacity:0;transform:translateY(22px);filter:blur(8px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
.card .rv:nth-child(2){transition-delay:.08s}.card .rv:nth-child(3){transition-delay:.16s}
.card .rv:nth-child(4){transition-delay:.24s}.card .rv:nth-child(5){transition-delay:.32s}
.chap.in .rv{opacity:1;transform:none;filter:none}
#top:not(.in) .rv{opacity:0}
body:not(.ready) #top .rv{opacity:0!important}

@media (min-width:900px) and (min-aspect-ratio:1/1){
  .chap{padding-inline:clamp(40px,7vw,120px)}
  .card{width:min(100%,29rem)}
}
@media (max-aspect-ratio:1/1){
  .chap{align-items:flex-end;min-height:100svh;padding-block-end:calc(22px + env(safe-area-inset-bottom))}
  .chap#top,.chap.end{min-height:100svh;align-items:flex-end;padding-block-end:calc(7vh + env(safe-area-inset-bottom))}
  .card{width:100%;max-width:30rem;margin-inline:auto}
  .chap:nth-of-type(3){justify-content:flex-start}
  .sap{inset-inline-end:6px;height:26vh}
  .veil{background:linear-gradient(to bottom,rgb(5 11 20/.72),rgb(5 11 20/0) 14%),linear-gradient(to top,rgb(5 11 20/.5),rgb(5 11 20/0) 30%)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{transition:none;opacity:1;transform:none;filter:none}
  .seed,.cta svg,body.no-gl .poster{animation:none}
}