/* Satelys FX, page À propos (design 2026). Same visual language as home.css, own namespace.
   assets/about.css and dist/assets/about.css must stay identical: edit both together. */
html{scroll-behavior:smooth}
.about{
  --a-panel:#1f2945;--a-panel-hi:#293559;
  --a-edge:rgba(163,183,218,.16);--a-edge-soft:rgba(163,183,218,.09);
  --a-ink:#eef2f9;--a-mist:#a9b6ca;--a-dim:#8796b0;
  --a-teal:#17b3a6;--a-teal-ink:#5fe0d6;
  --a-serif:Georgia,"Times New Roman",serif;
  --a-sans:"Segoe UI",Arial,sans-serif;
  --a-mono:Consolas,"Courier New",monospace;
  flex:1;color:var(--a-mist);font:16px/1.6 var(--a-sans);overflow-x:hidden;overflow-x:clip;
}
.about *,.about *::before,.about *::after{box-sizing:border-box}
.about a{color:inherit;text-decoration:none}
.about a:focus-visible{outline:2px solid var(--a-teal-ink);outline-offset:4px;border-radius:6px}
.about ::selection{background:rgba(23,179,166,.35);color:var(--a-ink)}
.about-shell{width:min(1220px,calc(100% - 64px));margin-inline:auto}
.about-eyebrow{margin:0;font:600 12px var(--a-mono);letter-spacing:.28em;text-transform:uppercase;color:var(--a-teal-ink)}
.about h2{margin:14px 0 0;font:500 clamp(26px,2.8vw,36px)/1.18 var(--a-serif);letter-spacing:-.02em;color:var(--a-ink);text-wrap:balance}
.about-section{padding:clamp(32px,5.5vh,64px) 0;scroll-margin-top:12px}
.about-head{max-width:760px}

/* ---------- hero ---------- */
.about-hero{position:relative;isolation:isolate;padding:clamp(52px,9vh,104px) 0 clamp(20px,3.5vh,40px);text-align:center}
.about-hero::before{
  content:"";position:absolute;inset:0 0 -120px;z-index:-2;pointer-events:none;
  background:
    radial-gradient(ellipse 780px 460px at 50% 0%,rgba(23,179,166,.15),transparent 66%),
    radial-gradient(ellipse 560px 420px at 4% 30%,rgba(93,141,238,.10),transparent 62%),
    radial-gradient(ellipse 560px 420px at 96% 40%,rgba(161,136,234,.09),transparent 62%);
}
.about-hero::after{
  content:"";position:absolute;inset:0 0 -120px;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(163,183,218,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(163,183,218,.05) 1px,transparent 1px);
  background-size:56px 56px;background-position:center top;
  -webkit-mask-image:radial-gradient(ellipse 58% 78% at 50% 12%,#000 8%,transparent 72%);
          mask-image:radial-gradient(ellipse 58% 78% at 50% 12%,#000 8%,transparent 72%);
}
.about h1{margin:22px auto 0;max-width:16ch;font:500 clamp(38px,5.6vw,70px)/1.05 var(--a-serif);letter-spacing:-.028em;color:#f3f5f8;text-wrap:balance}
.about h1 em{font-style:italic;color:var(--a-teal-ink)}
.about-lead{margin:26px auto 0;max-width:660px;font-size:clamp(16px,1.35vw,18.5px);line-height:1.7;color:#aab7c9;text-wrap:pretty}
.about-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:34px 0 0;padding:0;list-style:none}
.about-nav li{margin:0;padding:0}
.about-nav a{
  display:inline-flex;align-items:center;gap:9px;padding:10px 17px;border:1px solid var(--a-edge);border-radius:999px;
  background:rgba(31,41,69,.55);font:600 11.5px var(--a-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--a-mist);
  transition:border-color .25s,color .25s,background .25s;
}
.about-nav a::after{content:"\2193";font-size:13px;letter-spacing:0;color:var(--a-dim);transition:color .25s,transform .25s}
.about-nav a:hover,.about-nav a:focus-visible{border-color:var(--a-teal-ink);color:var(--a-teal-ink);background:rgba(23,179,166,.08)}
.about-nav a:hover::after,.about-nav a:focus-visible::after{color:var(--a-teal-ink);transform:translateY(2px)}

/* ---------- history: six key dates ---------- */
.about-timeline{list-style:none;margin:clamp(30px,4.5vh,48px) 0 0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}
.about-step{position:relative;margin:0;padding:40px 24px 0 0;animation:about-rise .7s cubic-bezier(.2,.7,.3,1) both;animation-delay:calc(var(--i)*120ms + 150ms)}
.about-step::before{
  content:"";position:absolute;top:9px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(95,224,214,.6),rgba(163,183,218,.24));
}
.about-step::after{
  content:"";position:absolute;top:2px;left:0;width:15px;height:15px;border-radius:50%;
  background:#12182b;border:2px solid var(--a-teal-ink);box-shadow:0 0 0 5px #12182b;
}
.about-step:last-child::before{background:linear-gradient(90deg,rgba(95,224,214,.8),transparent 88%)}
.about-step-now::after{background:var(--a-teal-ink);box-shadow:0 0 0 5px rgba(95,224,214,.16),0 0 24px rgba(95,224,214,.65)}
.about-year{margin:0;font:300 clamp(30px,3.1vw,44px)/1 var(--a-sans);letter-spacing:-.02em;color:var(--a-ink)}
.about-step-now .about-year{color:var(--a-teal-ink)}
.about h3{margin:0;font:600 15.5px/1.35 var(--a-sans);color:var(--a-ink)}
.about-step h3{margin-top:13px}
.about-step-text{margin:8px 0 0;font-size:13.6px;line-height:1.6;color:var(--a-mist)}
.about-step-link{margin:12px 0 0}
.about a.about-go{display:inline-flex;align-items:center;gap:8px;font:600 11.5px var(--a-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--a-teal-ink)}
.about-go::after{content:"\2192";font-size:14px;letter-spacing:0;transition:transform .25s}
.about-go[target=_blank]::after{content:"\2197"}
.about-go:hover::after,.about-go:focus-visible::after{transform:translateX(4px)}
@keyframes about-rise{from{opacity:0;translate:0 12px}}

/* ---------- founder ---------- */
.about-founder{display:grid;grid-template-columns:minmax(0,372px) minmax(0,1fr);gap:clamp(28px,5.5vw,84px);align-items:start}
.about-profile{
  position:sticky;top:24px;padding:30px 30px 26px;overflow:hidden;border:1px solid var(--a-edge);border-radius:20px;
  background:linear-gradient(168deg,var(--a-panel-hi),var(--a-panel) 72%);box-shadow:0 24px 60px rgba(5,9,20,.28);
}
.about-profile::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,transparent,var(--a-teal),transparent);opacity:.75}
.about-portrait{
  display:block;width:128px;height:128px;margin:0 0 22px;border-radius:50%;object-fit:cover;background:#2a3757;
  box-shadow:0 0 0 1px rgba(95,224,214,.55),0 0 0 8px rgba(95,224,214,.08);
}
.about-profile h2{font-size:clamp(26px,2.4vw,31px)}
.about-role{margin:8px 0 0;font:600 11.5px var(--a-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--a-dim)}
.about-marks{margin:22px 0 0;border-top:1px solid var(--a-edge-soft)}
.about-mark{display:grid;grid-template-columns:88px minmax(0,1fr);gap:14px;margin:0;padding:13px 0;border-bottom:1px solid var(--a-edge-soft)}
.about-mark dt{padding-top:2px;font:600 11.5px var(--a-mono);letter-spacing:.06em;color:var(--a-teal-ink)}
.about-mark dd{margin:0;font-size:13.6px;line-height:1.5;color:var(--a-mist)}
.about-profile-link{margin:20px 0 0}
.about-bio{padding-top:6px}
.about-bio p{margin:0 0 20px;max-width:68ch;font-size:16.5px;line-height:1.8;color:#b6c2d1}
.about-bio p:last-child{margin-bottom:0}
.about-bio .about-bio-lead{margin-bottom:26px;max-width:30ch;font:500 clamp(22px,2.2vw,29px)/1.34 var(--a-serif);letter-spacing:-.012em;color:var(--a-ink);text-wrap:balance}

/* ---------- strengths ---------- */
.about-pillars{list-style:none;margin:clamp(26px,4vh,40px) 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.about-pillar{
  position:relative;margin:0;padding:24px 24px 26px;overflow:hidden;border:1px solid var(--a-edge);border-radius:18px;
  background:linear-gradient(168deg,var(--a-panel-hi),var(--a-panel) 72%);
  transition:border-color .3s,box-shadow .3s,transform .3s;
}
.about-pillar::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,transparent,var(--hue),transparent);opacity:.55;transition:opacity .3s}
.about-pillar:hover{border-color:var(--hue);transform:translateY(-3px);box-shadow:0 0 0 1px color-mix(in srgb,var(--hue) 35%,transparent),0 18px 44px rgba(5,9,20,.5)}
.about-pillar:hover::before{opacity:1}
.about-pillar-top{display:flex;align-items:center;justify-content:space-between}
.about-icon{
  display:grid;place-items:center;width:46px;height:46px;border-radius:50%;
  background:linear-gradient(145deg,#2c3b5e,#1d2743);border:1px solid color-mix(in srgb,var(--hue) 45%,#3a4868);
  color:color-mix(in srgb,var(--hue) 72%,#e6ecf3);
}
.about-icon svg{display:block}
.about-num{font:600 12px var(--a-mono);letter-spacing:.18em;color:var(--a-dim)}
.about-pillar h3{margin-top:20px;font-size:18px}
.about-pillar p{margin:9px 0 0;font-size:14.3px;line-height:1.62;color:var(--a-mist)}

/* ---------- values and goals ---------- */
.about-creed{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:clamp(26px,4vh,40px)}
.about-creed-card{
  position:relative;padding:clamp(24px,2.7vw,36px);overflow:hidden;border:1px solid var(--a-edge);border-radius:20px;
  background:linear-gradient(168deg,var(--a-panel-hi),var(--a-panel) 72%);box-shadow:0 24px 60px rgba(5,9,20,.22);
}
.about-creed-card::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,transparent,var(--hue),transparent);opacity:.75}
.about-creed-card h3{font:600 12px var(--a-mono);letter-spacing:.18em;text-transform:uppercase;color:color-mix(in srgb,var(--hue) 78%,#fff)}
.about-creed-list{margin:18px 0 0}
.about-creed-item{display:grid;grid-template-columns:minmax(0,176px) minmax(0,1fr);gap:8px 22px;align-items:baseline;margin:0;padding:18px 0;border-top:1px solid var(--a-edge-soft)}
.about-creed-item:last-child{padding-bottom:0}
.about-creed-item dt{font:500 clamp(20px,1.8vw,24px)/1.2 var(--a-serif);letter-spacing:-.015em;color:var(--a-ink)}
.about-creed-item dd{margin:0;font-size:14.6px;line-height:1.6;color:var(--a-mist)}

/* ---------- closing call ---------- */
.about-cta-wrap{padding-bottom:8px}
.about-cta{
  position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(22px,4vw,60px);align-items:center;
  padding:clamp(28px,3.6vw,52px);overflow:hidden;border:1px solid rgba(95,224,214,.3);border-radius:22px;
  background:linear-gradient(120deg,#243a5e 0%,#1f2b4b 44%,#1b2440 100%);box-shadow:0 30px 70px rgba(5,9,20,.35);
}
.about-cta::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:repeating-radial-gradient(circle at 100% 118%,transparent 0 53px,rgba(95,224,214,.09) 53px 54px);
  -webkit-mask-image:linear-gradient(250deg,#000 0%,transparent 62%);
          mask-image:linear-gradient(250deg,#000 0%,transparent 62%);
}
.about-cta h2{max-width:25ch;font-size:clamp(23px,2.4vw,31px);line-height:1.25}
.about-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin:0}
.about-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;
  border:1px solid transparent;border-radius:10px;font:600 14.5px/1.2 var(--a-sans);
  transition:background .25s,border-color .25s,color .25s,transform .25s,box-shadow .25s;
}
.about-btn::after{content:"\2192";transition:transform .25s}
.about-btn:hover::after,.about-btn:focus-visible::after{transform:translateX(4px)}
.about a.about-btn-primary{background:var(--a-teal-ink);color:#0c1c28;box-shadow:0 12px 34px rgba(23,179,166,.2)}
.about a.about-btn-primary:hover{background:#86ebe2;transform:translateY(-1px);box-shadow:0 16px 40px rgba(23,179,166,.28)}
.about a.about-btn-ghost{border-color:rgba(163,183,218,.32);color:var(--a-ink)}
.about a.about-btn-ghost:hover{border-color:var(--a-teal-ink);color:var(--a-teal-ink)}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .about-creed-item{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:980px){
  .about-timeline{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:40px}
  .about-founder{grid-template-columns:minmax(0,1fr)}
  .about-profile{position:relative;top:auto}
  .about-pillars{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-creed,.about-cta{grid-template-columns:minmax(0,1fr)}
  .about-bio .about-bio-lead{max-width:none}
}
@media(max-width:600px){
  .about-shell{width:calc(100% - 36px)}
  .about-nav{gap:8px}
  .about-nav a{padding:9px 13px;font-size:10.5px;letter-spacing:.08em}
  .about-timeline{grid-template-columns:minmax(0,1fr);row-gap:0}
  .about-step{padding:0 0 30px 36px}
  .about-step:last-child{padding-bottom:0}
  .about-step::before{top:8px;bottom:-8px;left:7px;right:auto;width:1px;height:auto;background:linear-gradient(180deg,rgba(95,224,214,.6),rgba(163,183,218,.24))}
  .about-step:last-child::before{display:none}
  .about-step::after{top:5px}
  .about-profile,.about-creed-card{border-radius:16px}
  .about-profile{padding:24px 22px 22px}
  .about-mark{grid-template-columns:78px minmax(0,1fr);gap:12px}
  .about-bio p{font-size:16px}
  .about-pillars{grid-template-columns:minmax(0,1fr)}
  .about-cta{border-radius:16px}
  .about-cta-actions{gap:10px}
  .about-cta-actions .about-btn{flex:1 1 100%;padding:13px 18px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .about-step{animation:none}
}