/* ============================================
   OperAi — stylesheet
   ============================================ */

:root{
  --bg: #f7f6f2;
  --bg-2: #efede6;
  --ink: #0f1419;
  --ink-soft: #3a4047;
  --ink-mute: #6b7280;
  --line: #1a1a1a14;
  --line-strong: #1a1a1a22;
  --accent: #2563a8;
  --accent-2: #1e4f86;
  --accent-soft: #2563a812;
  --card: #ffffff;
  --radius: 28px;
  --radius-lg: 40px;
  --shadow-sm: 0 1px 0 rgba(15,20,25,.04), 0 8px 24px -12px rgba(15,20,25,.08);
  --shadow-md: 0 20px 40px -18px rgba(15,20,25,.12), 0 2px 0 rgba(15,20,25,.04);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100dvh;
  background:var(--bg);
  color:var(--ink);
  font-family:"Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-weight:400;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
em{font-style:normal;color:var(--accent)}

.grain{
  position:fixed;inset:0;pointer-events:none;z-index:100;
  opacity:.35;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.05  0 0 0 0 0.05  0 0 0 0 0.05  0 0 0 0.08 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 40px;
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  background:color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled{border-color:var(--line)}
.nav__logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:600;font-size:19px;letter-spacing:-.01em;
  color:var(--ink);
}
.nav__logo em{color:var(--accent);font-weight:700}
.nav__links{display:flex;gap:24px}
.nav__links a{
  font-size:14px;color:var(--ink-soft);
  position:relative;padding:6px 0;transition:color .2s var(--ease);
}
.nav__links a:hover{color:var(--ink)}
.nav__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav__links a:hover::after{transform:scaleX(1)}

@media (max-width: 980px){
  .nav__links{display:none}
  .nav{padding:14px 20px}
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:999px;
  font-size:15px;font-weight:500;letter-spacing:-.005em;
  transition:transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
  will-change:transform;
}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{
  background:var(--ink);color:var(--bg);
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset, 0 12px 24px -10px rgba(15,20,25,.35);
}
.btn--primary:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn--ghost{
  background:transparent;color:var(--ink);
  border:1px solid var(--line-strong);
}
.btn--ghost:hover{background:var(--bg-2);border-color:var(--ink)}
.btn--sm{padding:10px 16px;font-size:13.5px}
.btn--block{width:100%;justify-content:center;padding:16px 22px}

/* ============ SECTION HEAD ============ */
.section-head{max-width:760px;margin:0 0 56px}
.section-head--right{margin-left:auto;text-align:right}
.eyebrow{
  display:inline-block;
  font-family:"Geist Mono", ui-monospace, monospace;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-mute);margin-bottom:18px;
  padding:6px 12px;border:1px solid var(--line-strong);border-radius:999px;
}
.eyebrow--dark{color:#93a4b6;border-color:#ffffff22}
.section-head h2{
  font-size:clamp(34px, 5vw, 62px);
  font-weight:500;letter-spacing:-.03em;line-height:1.02;
  margin:0 0 18px;
}
.section-head p{
  font-size:18px;color:var(--ink-soft);max-width:56ch;margin:0;
}
.section-head--right p{margin-left:auto}

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100dvh;
  padding:120px 40px 80px;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  align-items:center;
  gap:60px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:auto -20% -40% auto;
  width:70vw;height:70vw;max-width:900px;max-height:900px;
  background:radial-gradient(closest-side, color-mix(in oklab, var(--accent) 14%, transparent), transparent 70%);
  pointer-events:none;z-index:0;
}
.hero__particles{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero__inner{position:relative;z-index:2;max-width:760px}

.hero__title{
  font-size:clamp(42px, 6.5vw, 86px);
  font-weight:500;letter-spacing:-.035em;line-height:1.0;
  margin:0 0 28px;
}
.hero__title em{color:var(--ink);font-style:italic;font-weight:400}
.hero__title em{color:var(--accent)}

.shimmer{
  background:linear-gradient(90deg,
    var(--ink) 0%, var(--ink) 40%,
    color-mix(in oklab, var(--accent) 85%, white) 50%,
    var(--ink) 60%, var(--ink) 100%);
  background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  animation:shimmer 5.5s linear infinite;
}
@keyframes shimmer{
  0%{background-position:220% 0}
  100%{background-position:-220% 0}
}

.hero__lede{font-size:19px;color:var(--ink-soft);max-width:58ch;margin:0 0 36px}
.hero__ctas{display:flex;gap:12px;flex-wrap:wrap}

.hero__orbit{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:center;
  animation:floaty 9s var(--ease) infinite;
}
.hero__orbit svg{width:min(560px, 92%);height:auto}
.orbit{transform-origin:260px 260px;animation:spin 20s linear infinite}
.orbit--a{animation-duration:22s}
.orbit--b{animation-duration:34s;animation-direction:reverse}
.orbit--c{animation-duration:14s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}

.hero__scroll{
  position:absolute;bottom:28px;left:40px;z-index:3;
  width:26px;height:42px;border:1px solid var(--line-strong);
  border-radius:999px;display:flex;justify-content:center;padding-top:8px;
}
.hero__scroll span{
  width:3px;height:8px;border-radius:2px;background:var(--ink);
  animation:scrollDot 1.6s var(--ease) infinite;
}
@keyframes scrollDot{
  0%{transform:translateY(0);opacity:1}
  70%{transform:translateY(16px);opacity:0}
  100%{transform:translateY(0);opacity:0}
}

@media (max-width: 1024px){
  .hero{grid-template-columns:1fr;padding:120px 24px 60px;gap:20px}
  .hero__orbit{order:-1;opacity:.85}
  .hero__scroll{left:24px}
}

/* ============ PROBLÈMES (BENTO) ============ */
.problemes{padding:120px 40px;max-width:1280px;margin:0 auto}
.bento{display:grid;grid-template-columns:repeat(12, 1fr);gap:20px}
.bento__card{
  grid-column:span 6;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px;
  box-shadow:var(--shadow-sm);
  transition:transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s var(--ease);
  position:relative;overflow:hidden;
}
.bento__card::before{
  content:"";position:absolute;inset:auto -30% -60% auto;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(closest-side, var(--accent-soft), transparent 70%);
  opacity:0;transition:opacity .5s var(--ease);
}
.bento__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.bento__card:hover::before{opacity:1}
.bento__card--lg{grid-column:span 12;padding:44px 44px 40px}
.bento__card--lg h3{font-size:clamp(26px,2.6vw,36px)}

.bento__icon{
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-2);color:var(--ink);
  margin-bottom:26px;
  transition:background .3s var(--ease), color .3s var(--ease);
}
.bento__card:hover .bento__icon{background:var(--ink);color:var(--bg)}
.bento__card h3{
  font-size:22px;font-weight:500;letter-spacing:-.015em;
  margin:0 0 12px;line-height:1.2;
}
.bento__card p{color:var(--ink-soft);margin:0;font-size:15.5px;line-height:1.6}
.bento__tags{
  list-style:none;padding:0;margin:20px 0 0;
  display:flex;gap:8px;flex-wrap:wrap;
}
.bento__tags li{
  font-family:"Geist Mono",monospace;font-size:11.5px;letter-spacing:.04em;
  padding:6px 10px;border:1px solid var(--line-strong);border-radius:8px;
  color:var(--ink-soft);
}

@media (max-width: 880px){
  .bento__card, .bento__card--lg{grid-column:span 12;padding:28px}
}

/* ============ AUDIT (SCROLL ANIMATION) ============ */
.audit-scroll{
  padding:40px 40px 160px;
  max-width:1280px;margin:0 auto;
}
.audit-scroll__header{
  max-width:780px;margin:0 auto 40px;text-align:center;
}
.audit-scroll__header h2{
  font-size:clamp(34px,5.2vw,64px);font-weight:500;letter-spacing:-.03em;
  line-height:1.02;margin:0 0 18px;
}
.audit-scroll__header p{
  color:var(--ink-soft);font-size:18px;margin:0 auto;max-width:56ch;
}

.audit-scroll__perspective{
  perspective:1200px;
  padding:20px 0 60px;
}
.audit-scroll__card{
  max-width:1100px;margin:0 auto;
  transform:rotateX(var(--rx, 22deg)) scale(var(--sc, 1.05)) translateY(var(--ty, 30px));
  transform-origin:top center;
  transition:transform .08s linear;
  will-change:transform;
  box-shadow:
    0 0 #0000004d,
    0 9px 20px #0000004a,
    0 37px 37px #00000030,
    0 84px 50px #0000001a,
    0 149px 60px #0000000a;
  border-radius:30px;
}

.tablet{
  background:#1a1f29;border:4px solid #2a313d;border-radius:26px;
  padding:10px;
  overflow:hidden;
}
.tablet__chrome{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px 12px;gap:14px;
  border-bottom:1px solid #ffffff0d;
}
.tablet__dots{display:flex;gap:6px}
.tablet__dots span{
  width:10px;height:10px;border-radius:50%;
  background:#3a4150;
}
.tablet__dots span:nth-child(1){background:#ef4444}
.tablet__dots span:nth-child(2){background:#f59e0b}
.tablet__dots span:nth-child(3){background:#22c55e}
.tablet__title{
  display:inline-flex;align-items:center;gap:8px;
  color:#d9dde6;font-size:12.5px;
}
.tablet__title em{color:#93a4b6;font-style:italic}
.tablet__badge{
  font-family:"Geist Mono",monospace;font-size:10.5px;letter-spacing:.08em;
  color:#93a4b6;padding:5px 10px;border:1px solid #ffffff18;border-radius:999px;
  text-transform:uppercase;white-space:nowrap;
}

.tablet__body{
  display:grid;grid-template-columns: 1.4fr 1fr;gap:14px;
  padding:14px;
  background:#141923;
  border-radius:16px;
  min-height:460px;
}

.tablet__panel{
  background:#1a1f29;border:1px solid #ffffff0f;
  border-radius:14px;padding:20px;
  display:flex;flex-direction:column;
}
.tablet__panel-head{margin-bottom:18px}
.tablet__panel-head .eyebrow{margin-bottom:10px}
.tablet__panel-head h4{
  color:#fff;font-size:18px;font-weight:500;letter-spacing:-.01em;margin:0;
}

.workflow{width:100%;height:auto;margin-top:auto;margin-bottom:auto}

.kpi-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.kpi{
  background:#141923;border:1px solid #ffffff0d;border-radius:12px;
  padding:14px;
}
.kpi__num{
  display:block;color:#fff;font-size:28px;font-weight:500;letter-spacing:-.02em;
  line-height:1;
}
.kpi__num em{color:#2563a8;font-style:normal;font-size:16px;margin-left:2px}
.kpi__lbl{color:#93a4b6;font-size:11.5px;margin-top:6px;display:block}

.bars{display:flex;flex-direction:column;gap:10px;flex:1}
.bar{
  display:grid;grid-template-columns: 80px 1fr 28px;gap:10px;align-items:center;
  color:#d9dde6;font-size:12px;
}
.bar i{
  display:block;height:8px;border-radius:4px;
  background:linear-gradient(90deg, #2563a8, #4f93d9);
  width:var(--v);
  animation:barGrow 1.4s var(--ease);
}
@keyframes barGrow{from{width:0}to{width:var(--v)}}
.bar b{
  font-family:"Geist Mono",monospace;font-weight:500;
  color:#93a4b6;font-size:11.5px;text-align:right;
}

.tablet__cta{
  margin-top:18px;padding:12px 14px;
  display:flex;align-items:center;justify-content:space-between;
  background:#2563a8;color:#fff;border-radius:10px;
  font-size:13px;font-weight:500;
}

@media (max-width: 880px){
  .audit-scroll{padding:20px 16px 100px}
  .audit-scroll__card{
    /* disable 3D tilt on mobile, keep subtle scale */
    transform:scale(var(--sc, 1));
  }
  .tablet__body{grid-template-columns:1fr;min-height:auto}
  .tablet__badge{display:none}
}

/* ============ EXPERTISES ============ */
.expertises{padding:60px 40px 120px;max-width:1280px;margin:0 auto}
.exp-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.exp{
  grid-column:span 6;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:0;
  position:relative;overflow:hidden;
  transition:transform .4s var(--ease), border-color .3s var(--ease), box-shadow .4s var(--ease);
  display:flex;flex-direction:column;
}
.exp:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:var(--shadow-md)}
.exp--ghost{background:transparent;border-style:dashed}

.exp__illus{
  background:linear-gradient(180deg, var(--bg-2), var(--card));
  padding:20px 24px 0;
  border-bottom:1px solid var(--line);
}
.exp__illus svg{width:100%;height:auto;max-height:180px}
.exp--ghost .exp__illus{background:transparent}

.exp__num{
  font-family:"Geist Mono",monospace;font-size:12px;letter-spacing:.08em;
  color:var(--ink-mute);display:block;
  padding:24px 28px 0;
}
.exp h3{
  font-size:22px;font-weight:500;letter-spacing:-.015em;
  margin:8px 0 10px;padding:0 28px;
}
.exp p{color:var(--ink-soft);font-size:15.5px;margin:0;padding:0 28px 28px}

@media (max-width: 880px){
  .exp{grid-column:span 12}
}

/* ============ SECTEURS ============ */
.secteurs{padding:40px 0 120px;overflow:hidden}
.secteurs .section-head{padding:0 40px;max-width:1280px;margin:0 auto 56px}
.sectors-ticker{
  mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  overflow:hidden;
}
.sectors-ticker__track{
  display:flex;gap:14px;width:max-content;
  animation:ticker 50s linear infinite;
}
.sectors-ticker:hover .sectors-ticker__track{animation-play-state:paused}
@keyframes ticker{to{transform:translateX(-50%)}}
.sector{
  display:inline-flex;align-items:center;gap:12px;
  padding:14px 22px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  font-size:15px;white-space:nowrap;
  box-shadow:var(--shadow-sm);
  color:var(--ink);
}
.sector svg{color:var(--accent)}

/* ============ POURQUOI ============ */
.pourquoi{padding:120px 40px;max-width:1280px;margin:0 auto}
.pourquoi__head{
  display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:end;
  margin-bottom:60px;
}
.pourquoi__head .eyebrow{grid-column:1/-1}
.pourquoi__head h2{
  font-size:clamp(34px,5vw,62px);font-weight:500;letter-spacing:-.03em;line-height:1.02;
  margin:0;
}
.pourquoi__head p{color:var(--ink-soft);font-size:18px;margin:0;max-width:58ch}

.highlight-grid{
  display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:20px;
  margin-bottom:60px;
}
.highlight{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px;
  display:flex;flex-direction:column;justify-content:space-between;gap:20px;
  min-height:260px;
  transition:transform .4s var(--ease), border-color .3s var(--ease);
}
.highlight:hover{transform:translateY(-3px);border-color:var(--ink)}
.highlight--dark{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.highlight--dark p{color:color-mix(in oklab, var(--bg) 78%, transparent)}
.highlight--dark:hover{border-color:var(--accent)}
.highlight__num{
  font-size:clamp(56px, 6vw, 88px);
  font-weight:500;letter-spacing:-.035em;line-height:.95;color:var(--ink);
}
.highlight__num em{color:var(--accent);font-size:.45em;margin-left:4px;font-style:normal;vertical-align:super}
.highlight h4{
  font-size:22px;font-weight:500;letter-spacing:-.015em;margin:0;line-height:1.2;
}
.highlight p{margin:0;color:var(--ink-soft);font-size:15.5px;line-height:1.55}
.highlight--dark h4{color:var(--bg)}

.diff-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.diff{
  background:var(--card);padding:32px;
  transition:background .3s var(--ease);
}
.diff:hover{background:var(--bg-2)}
.diff h4{font-size:17px;font-weight:500;letter-spacing:-.01em;margin:0 0 10px}
.diff p{margin:0;color:var(--ink-soft);font-size:14.5px;line-height:1.55}

@media (max-width: 960px){
  .pourquoi__head{grid-template-columns:1fr}
  .highlight-grid{grid-template-columns:1fr}
  .diff-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 540px){
  .diff-grid{grid-template-columns:1fr}
}

/* ============ CONTACT ============ */
.contact{
  padding:120px 40px;max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:start;
}
.contact__left h2{
  font-size:clamp(34px,5vw,62px);font-weight:500;letter-spacing:-.03em;line-height:1.02;
  margin:18px 0 18px;
}
.contact__left > p{color:var(--ink-soft);font-size:17px;max-width:48ch}
.contact__info{
  list-style:none;padding:0;margin:40px 0 0;
  display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.contact__info li{
  background:var(--card);padding:20px 24px;
  display:grid;grid-template-columns:100px 1fr;align-items:center;gap:20px;
}
.contact__info span{
  font-family:"Geist Mono",monospace;font-size:11.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-mute);
}
.contact__info a{font-size:16px;color:var(--ink);font-weight:500}

.contact__form{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:40px;
  box-shadow:var(--shadow-sm);
}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:8px}
.field label{
  font-family:"Geist Mono",monospace;font-size:11.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-mute);
}
.field input, .field textarea{
  width:100%;padding:14px 16px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);
  font-size:15px;color:var(--ink);resize:vertical;
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.field input::placeholder, .field textarea::placeholder{color:#9aa1ab}
.field input:focus, .field textarea:focus{
  outline:none;border-color:var(--ink);background:var(--card);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}
.field-row .field{margin-bottom:0}
.contact__note{font-size:12.5px;color:var(--ink-mute);margin:14px 0 0;text-align:center}
.contact__success{margin:14px 0 0;font-size:14px;color:var(--accent-2);text-align:center;min-height:1em}

@media (max-width: 960px){
  .contact{grid-template-columns:1fr;gap:40px;padding:80px 24px}
  .contact__form{padding:28px}
  .field-row{grid-template-columns:1fr}
}

/* ============ FOOTER ============ */
.footer{
  background:var(--ink);color:color-mix(in oklab, var(--bg) 85%, transparent);
  padding:80px 40px 32px;margin-top:40px;
}
.footer__top{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:60px;
  border-bottom:1px solid color-mix(in oklab, var(--bg) 15%, transparent);
}
.footer .nav__logo{color:var(--bg)}
.footer__brand p{margin:18px 0 0;font-size:14.5px;max-width:40ch;line-height:1.55}
.footer__col h5{
  font-family:"Geist Mono",monospace;font-size:11.5px;letter-spacing:.08em;
  text-transform:uppercase;color:color-mix(in oklab, var(--bg) 55%, transparent);
  margin:0 0 18px;font-weight:500;
}
.footer__col a{
  display:block;font-size:15px;padding:4px 0;
  color:color-mix(in oklab, var(--bg) 85%, transparent);
  transition:color .2s var(--ease);
}
.footer__col a:hover{color:var(--bg)}
.footer__bottom{
  max-width:1280px;margin:0 auto;padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-size:13px;color:color-mix(in oklab, var(--bg) 55%, transparent);
  flex-wrap:wrap;
}
.footer__links{display:flex;gap:24px;flex-wrap:wrap}
.footer__links a:hover{color:var(--bg)}

@media (max-width: 860px){
  .footer__top{grid-template-columns:1fr 1fr;gap:30px}
  .footer__brand{grid-column:span 2}
}
@media (max-width: 540px){
  .footer__top{grid-template-columns:1fr}
  .footer__brand{grid-column:span 1}
}

/* ============ SCROLL REVEAL ============ */
.reveal{
  opacity:0;transform:translateY(24px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none}

/* ============ A11Y — reduced motion ============ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  .hero__particles{display:none}
  .audit-scroll__card{transform:none !important}
}

::selection{background:var(--accent);color:var(--bg)}