/* ============================================================
   fahedmahidi.com — RAISON identity, teal accent
   Hairlines only · radius 0 · IBM Plex + Michroma
   ============================================================ */

@font-face{font-family:"Plex";src:url("fonts/PlexSans-200.ttf") format("truetype");font-weight:200;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/PlexSans-300.ttf") format("truetype");font-weight:300;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/PlexSans-400.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/PlexSans-500.ttf") format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:"PlexMono";src:url("fonts/PlexMono-400.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"PlexMono";src:url("fonts/PlexMono-500.ttf") format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:"Michroma";src:url("fonts/Michroma.ttf") format("truetype");font-display:swap}

:root{
  --ink:#0D1214;
  --ink-2:#12181B;
  --bone:#F7F4EC;
  --muted:#79848A;
  --muted-2:#9AA4AA;
  --line:#1C2529;
  --line-2:#2A353A;

  /* darker, greener teal — less blue than RAISON's own #1F6B78 */
  --teal:#1F6B60;
  --teal-b:#2F9184;
  --teal-d:#123F39;
  --teal-glow:rgba(47,145,132,.16);

  --mono:"PlexMono",ui-monospace,monospace;
  --sans:"Plex",system-ui,-apple-system,sans-serif;
  --display:"Michroma",var(--sans);

  --gut:clamp(24px,5vw,96px);
  --rail:clamp(0px,6vw,92px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ink);color:var(--bone);
  font-family:var(--sans);font-weight:300;
  font-size:clamp(15px,1.05vw,17px);line-height:1.62;
  letter-spacing:.004em;
  overflow-x:hidden;
}
::selection{background:var(--teal);color:var(--bone)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- shell ---------- */
.wrap{max-width:1280px;margin:0 auto;padding:0 var(--gut)}

/* ---------- scroll spine ---------- */
.spine{
  position:fixed;left:max(14px,2.4vw);top:0;bottom:0;width:1px;
  background:var(--line);z-index:40;pointer-events:none;
}
.spine__fill{
  position:absolute;left:0;top:0;width:1px;height:0;
  background:linear-gradient(180deg,var(--teal-d),var(--teal-b));
  box-shadow:0 0 12px var(--teal-glow);
}
.spine__dot{
  position:absolute;left:-2.5px;width:6px;height:6px;
  background:var(--ink);border:1px solid var(--line-2);
  transition:border-color .5s var(--ease),background .5s var(--ease);
}
.spine__dot.on{border-color:var(--teal-b);background:var(--teal-b)}
@media (max-width:760px){.spine{display:none}}

/* ---------- top bar ---------- */
.top{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gut);
  border-bottom:1px solid transparent;
  transition:border-color .45s var(--ease);
}
/* The scrolled backdrop lives here, NOT on .top. Putting a backdrop-filter on
   .top itself would make it the containing block for the position:fixed menu
   panel, which would then size itself to the header strip instead of the
   viewport. Keeping it on a childless pseudo-element removes that entirely. */
.top::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(13,18,20,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;transition:opacity .4s var(--ease);
}
.top.stuck::before{opacity:1}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .top::before{background:var(--ink)}
}
.top.stuck{border-bottom-color:var(--line)}
.top__mark{
  font-family:var(--display);font-size:13px;letter-spacing:.14em;
  display:flex;align-items:center;gap:2px;
}
.top__mark i{font-style:normal;color:var(--teal-b)}
.top__nav{display:flex;gap:clamp(14px,2.2vw,30px)}
.top__nav a{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);position:relative;padding-bottom:3px;transition:color .35s var(--ease);
}
.top__nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--teal-b);transition:width .45s var(--ease);
}
.top__nav a:hover,.top__nav a.active{color:var(--bone)}
.top__nav a:hover::after,.top__nav a.active::after{width:100%}

/* ---------- language switch ---------- */
.langs{display:flex;gap:8px;align-items:center}
.lang{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  color:var(--muted);border:1px solid var(--line-2);padding:5px 10px;
  transition:color .35s var(--ease),border-color .35s var(--ease);
}
.lang:hover{color:var(--bone);border-color:var(--teal-b)}
.lang::after{display:none}

/* ---------- mobile menu ---------- */
.burger{
  display:none;position:relative;z-index:60;
  width:34px;height:22px;padding:0;background:none;border:0;cursor:pointer;
  flex-direction:column;justify-content:center;gap:6px;
}
.burger span{
  display:block;width:100%;height:1px;background:var(--bone);
  transition:transform .22s var(--ease);
}
.nav-open .burger span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-open .burger span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.burger:focus-visible{outline:1px solid var(--teal-b);outline-offset:6px}

@media (max-width:760px){
  .burger{display:flex}
  .top__mark{position:relative;z-index:60}

  /* the header's backdrop hides behind the panel rather than in front of it */
  body.nav-open .top::before{opacity:0}
  body.nav-open .top{border-bottom-color:transparent}

  .top__nav{
    position:fixed;inset:0;z-index:55;
    flex-direction:column;justify-content:center;align-items:stretch;
    gap:0;padding:0 var(--gut);
    background:var(--ink);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .17s ease-out;
  }
  .nav-open .top__nav{transition-duration:.15s}
  .nav-open .top__nav{opacity:1;visibility:visible;pointer-events:auto}

  .top__nav{counter-reset:n}
  .top__nav > a{
    font-family:var(--sans);font-size:clamp(21px,6.4vw,30px);font-weight:200;
    letter-spacing:-.01em;text-transform:none;color:var(--bone);
    padding:clamp(15px,2.4vh,22px) 0;
    display:flex;align-items:baseline;gap:16px;
    opacity:0;transform:translateY(7px);
  }
  .top__nav > a:not(.lang){border-bottom:1px solid var(--line)}
  .top__nav > a:not(.lang)::before{
    counter-increment:n;content:counter(n,decimal-leading-zero);
    font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--teal-b);
  }
  .top__nav a::after{display:none}
  .nav-open .top__nav > a,
  .nav-open .langs{
    opacity:1;transform:none;
    transition:opacity .2s ease-out,transform .24s var(--ease);
  }
  .nav-open .top__nav a:nth-child(1){transition-delay:.03s}
  .nav-open .top__nav a:nth-child(2){transition-delay:.055s}
  .nav-open .top__nav a:nth-child(3){transition-delay:.08s}
  .nav-open .top__nav a:nth-child(4){transition-delay:.105s}
  .nav-open .top__nav a:nth-child(5){transition-delay:.13s}
  .nav-open .top__nav a:nth-child(6){transition-delay:.155s}

  /* closing should be immediate, not a slow fade back over the page */
  .top__nav a{transition:none}

  .langs{
    opacity:0;transform:translateY(7px);
    margin-top:clamp(18px,3vh,30px);align-self:flex-start;
    transition-delay:.18s;
  }
  .top__nav a.lang{font-size:12px;padding:7px 12px}
  body.nav-open{overflow:hidden}
  body.nav-open, html:has(body.nav-open){scroll-behavior:auto}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;isolation:isolate}
#field{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:0}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(150% 120% at 68% 46%,transparent 62%,var(--ink) 99%);
}
.hero__in{padding-top:96px;padding-bottom:64px;width:100%}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:14px;margin-bottom:clamp(24px,4vh,44px);
}
.eyebrow::before{content:"";width:clamp(28px,5vw,64px);height:1px;background:var(--teal);flex:none}

h1.name{
  font-family:var(--display);
  font-size:clamp(28px,8.6vw,112px);
  line-height:1.06;letter-spacing:.005em;font-weight:400;
  margin-bottom:clamp(20px,3.4vh,36px);
}
h1.name .ln{display:block}
h1.name .ch{display:inline-block}
/* the name is visible by default; the animation only plays when JS adds .anim,
   so a failed script can never leave the name blank */
h1.name.anim .ch{animation:chRise .82s var(--ease) both;animation-delay:calc(var(--i,0) * 38ms)}
@keyframes chRise{from{opacity:0;transform:translateY(.3em)}to{opacity:1;transform:none}}
h1.name.anim-block{animation:chRise 1s var(--ease) both}
h1.name .ac{color:var(--teal-b)}
h1.name .hw{position:relative;display:inline-block}
h1.name .hb{
  position:absolute;left:0;top:0;color:var(--teal-b);
  clip-path:inset(0 calc(100% - .195em) 0 0);
}

.lede{
  font-size:clamp(19px,2.5vw,34px);font-weight:200;line-height:1.34;
  letter-spacing:-.008em;max-width:19ch;margin-bottom:clamp(26px,4vh,44px);
  text-wrap:balance;
}
.lede b{font-weight:400;color:var(--bone)}
/* French runs longer than English; keep its display type from eating the page */
html[lang="fr"] .lede{max-width:37ch;font-size:clamp(18px,2.15vw,30px)}
html[lang="fr"] .ct__big{font-size:clamp(19px,2.7vw,34px);max-width:22ch}
html[lang="fr"] .claim{max-width:26ch}
.roles{
  font-size:clamp(14px,1.2vw,17px);color:var(--muted-2);font-weight:300;
  max-width:52ch;
}
.roles strong{color:var(--bone);font-weight:400}

.scrollcue{
  position:absolute;left:var(--gut);bottom:26px;
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:10px;
}
.scrollcue span{display:block;width:38px;height:1px;background:var(--line-2);position:relative;overflow:hidden}
.scrollcue span::after{
  content:"";position:absolute;inset:0;background:var(--teal-b);
  transform:translateX(-100%);animation:cue 2.6s var(--ease) infinite;
}
@keyframes cue{0%{transform:translateX(-100%)}55%{transform:translateX(0)}100%{transform:translateX(100%)}}

/* ---------- hero, small screens ---------- */
@media (max-width:980px){
  .hero{min-height:auto;padding-block:clamp(92px,13vh,132px) clamp(40px,7vh,80px)}
  .scrollcue{display:none}
}

/* ---------- icons ---------- */
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ic{
  width:15px;height:15px;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.2;
  stroke-linecap:square;stroke-linejoin:miter;
  margin-inline-end:9px;
}

/* ---------- fact band ---------- */
.facts{border-block:1px solid var(--line);background:var(--ink-2)}
.facts__in{display:grid;grid-template-columns:repeat(4,1fr)}
.facts__in > div{
  padding:clamp(22px,2.6vw,32px) clamp(16px,2vw,30px);
  border-left:1px solid var(--line);
}
.facts__in > div:first-child{border-left:0;padding-left:0}
.facts__in > div:last-child{padding-right:0}
.facts h4{
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--teal-b);font-weight:400;margin-bottom:12px;
  display:flex;align-items:center;
}
.facts p{font-size:13.5px;color:var(--muted-2);line-height:1.5}
.facts p + p{margin-top:5px}
@media (max-width:900px){
  .facts__in{grid-template-columns:repeat(2,1fr)}
  .facts__in > div:nth-child(odd){border-left:0;padding-left:0}
  .facts__in > div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .facts__in > div:last-child{padding-right:clamp(16px,2vw,30px)}
}
@media (max-width:540px){
  .facts__in{grid-template-columns:1fr}
  .facts__in > div{border-left:0;padding-left:0;padding-right:0;border-bottom:1px solid var(--line)}
  .facts__in > div:last-child{border-bottom:0}
}

/* ---------- sections ---------- */
section{position:relative;padding:clamp(72px,12vh,150px) 0;scroll-margin-top:70px}
.sechead{display:flex;align-items:baseline;gap:clamp(14px,2.4vw,32px);margin-bottom:clamp(30px,5vh,58px)}
.sechead .num{
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--teal-b);
  flex:none;padding-top:.35em;
}
.sechead h2{
  font-family:var(--display);font-weight:400;
  font-size:clamp(19px,2.9vw,34px);letter-spacing:.015em;line-height:1.18;
}
.sechead .bar{flex:1;height:1px;background:var(--line);transform-origin:left;transform:scaleX(0)}
.in .sechead .bar{transform:scaleX(1);transition:transform 1.1s var(--ease) .12s}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.in .rv,.rv.in{opacity:1;transform:none}
.in .rv:nth-child(2){transition-delay:.06s}
.in .rv:nth-child(3){transition-delay:.12s}
.in .rv:nth-child(4){transition-delay:.18s}
.in .rv:nth-child(5){transition-delay:.24s}

/* ---------- now / systems ---------- */
.claim{
  font-size:clamp(21px,3.1vw,42px);font-weight:200;line-height:1.3;letter-spacing:-.01em;
  max-width:22ch;margin-bottom:clamp(30px,5vh,56px);
}
.claim em{font-style:normal;color:var(--teal-b)}

.sys{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:1px;background:var(--line)}
.sys > article{
  background:var(--ink-2);padding:clamp(22px,2.6vw,34px);position:relative;overflow:hidden;
  transition:background .5s var(--ease);
}
.sys > article::before{
  content:"";position:absolute;left:0;top:0;height:1px;width:100%;
  background:linear-gradient(90deg,var(--teal-b),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);
}
.sys > article:hover{background:#141C20}
.sys > article:hover::before{transform:scaleX(1)}
.sys h3{
  font-family:var(--mono);font-size:11px;letter-spacing:.19em;text-transform:uppercase;
  color:var(--teal-b);font-weight:400;margin-bottom:14px;
  display:flex;align-items:center;
}
.sys p{font-size:15px;color:var(--muted-2);line-height:1.62}
.sys p + p{margin-top:10px}
.sys .k{color:var(--bone);font-weight:400}

/* ---------- proof list ---------- */
.proof{border-top:1px solid var(--line)}
.proof__row{
  display:grid;grid-template-columns:clamp(46px,6vw,86px) 1fr minmax(0,32ch);
  gap:clamp(14px,2.4vw,34px);align-items:start;
  padding:clamp(20px,2.6vw,30px) 0;border-bottom:1px solid var(--line);
  transition:background .4s var(--ease);
}
.proof__row:hover{background:rgba(31,107,120,.055)}
.proof__i{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted);padding-top:.32em}
.proof__t{font-size:clamp(16px,1.55vw,21px);font-weight:300;line-height:1.42;letter-spacing:-.004em}
.proof__t b{font-weight:400;color:var(--teal-b)}
.proof__w{font-size:13.5px;color:var(--muted);line-height:1.6;padding-top:.3em}
@media (max-width:820px){
  .proof__row{grid-template-columns:clamp(40px,9vw,60px) 1fr}
  .proof__w{grid-column:2;padding-top:8px}
}

/* ---------- experience ---------- */
.xp{position:relative;padding-left:clamp(20px,3vw,40px)}
.xp::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.xp__item{position:relative;padding:0 0 clamp(26px,3.4vw,40px) 0}
.xp__item::before{
  content:"";position:absolute;left:calc(-1 * clamp(20px,3vw,40px) - 2px);top:9px;
  width:5px;height:5px;background:var(--ink);border:1px solid var(--line-2);
  transition:background .5s var(--ease),border-color .5s var(--ease);
}
.xp__item:hover::before{background:var(--teal-b);border-color:var(--teal-b)}
.xp__top{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.xp__org{font-size:clamp(16px,1.5vw,20px);font-weight:400;letter-spacing:-.004em}
.xp__yr{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted)}
.xp__tag{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line-2);padding:3px 8px;white-space:nowrap;
}
/* work that is his own carries the accent */
.xp__tag.is-own{color:var(--teal-b);border-color:var(--teal-d)}
.xp__role{font-size:13px;color:var(--teal-b);font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase}
.xp__d{font-size:14.5px;color:var(--muted-2);max-width:62ch;line-height:1.62}

/* ---------- section note ---------- */
.secnote{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin:-18px 0 clamp(24px,3.6vh,40px) 0;
}

/* ---------- call to action ---------- */
.cta{
  display:inline-flex;align-items:center;gap:16px;margin-top:30px;
  padding:15px 24px;border:1px solid var(--line-2);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.19em;text-transform:uppercase;
  color:var(--bone);position:relative;overflow:hidden;
  transition:border-color .45s var(--ease),color .45s var(--ease);
}
.cta::before{
  content:"";position:absolute;inset:0;background:var(--teal);
  transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease);z-index:-1;
}
.cta span{position:relative}
.cta i{
  position:relative;display:block;width:26px;height:1px;background:var(--muted);
  transition:width .45s var(--ease),background .45s var(--ease);
}
.cta i::after{
  content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;
  border-top:1px solid var(--muted);border-right:1px solid var(--muted);
  transform:rotate(45deg);transition:border-color .45s var(--ease);
}
.cta:hover{border-color:var(--teal-b)}
.cta:hover::before{transform:scaleX(1)}
.cta:hover i{width:38px;background:var(--bone)}
.cta:hover i::after{border-color:var(--bone)}
.cta:focus-visible{outline:2px solid var(--teal-b);outline-offset:3px}

/* ---------- contact meta ---------- */
.meta{display:flex;flex-direction:column;gap:22px}
.meta h4{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.19em;text-transform:uppercase;
  color:var(--teal-b);font-weight:400;margin-bottom:8px;
}
.meta p{font-size:14px;color:var(--muted-2);line-height:1.55}

/* ---------- principles ---------- */
.pr{display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
.pr > div{background:var(--ink);padding:clamp(26px,3.2vw,42px) 0}
.pr__q{
  font-size:clamp(18px,2.3vw,29px);font-weight:200;line-height:1.34;letter-spacing:-.008em;
  max-width:30ch;margin-bottom:12px;
}
.pr__q b{font-weight:400;color:var(--teal-b)}
.pr__a{font-size:14.5px;color:var(--muted);max-width:58ch;line-height:1.62}

/* ---------- contact ---------- */
.ct{display:flex;flex-wrap:wrap;gap:clamp(24px,5vw,90px);align-items:flex-start}
.ct__l{flex:1 1 320px}
.ct__big{
  font-family:var(--display);font-size:clamp(22px,3.6vw,46px);line-height:1.14;
  letter-spacing:.01em;margin-bottom:20px;
  text-wrap:balance;
}
.ct__big i{font-style:normal;color:var(--teal-b)}
.ct__links{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.lk{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:12px;color:var(--muted-2);
  transition:color .35s var(--ease);width:fit-content;
}
.lk span{width:18px;height:1px;background:var(--line-2);transition:width .4s var(--ease),background .4s var(--ease)}
.lk:hover{color:var(--bone)}
.lk:hover span{width:34px;background:var(--teal-b)}

/* ---------- foot ---------- */
footer{border-top:1px solid var(--line);padding:26px 0 34px}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot p{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- motion off ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  .sechead .bar{transform:scaleX(1)}
  #field{opacity:.5!important}
}