/* =========================================================
   Cognira — recreation of the Framer mockup (local)
   Tokens lifted from the live site.
   ========================================================= */
:root{
  --bg:#000;
  --bg-soft:#0a0a0a;
  --card:#0f0f0f;
  --card-2:rgba(255,255,255,.035);
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.06);
  --text:#fff;
  --text-soft:rgba(255,255,255,.8);
  --muted:#a3a3a3;
  --muted-2:#757575;
  --ink:#202026;
  --dusk:#e2aa96;
  --sand:#fef9ef;

  --nav-h:70px;
  --container:1200px;
  --gutter:50px;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:22px;
  --radius-xl:28px;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Geist',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.4;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.container.narrow{max-width:900px}
.center{text-align:center;display:flex;justify-content:center;margin-top:44px}

/* ---------- type ---------- */
h1{font-size:56px;line-height:1;letter-spacing:-.05em;font-weight:500}
h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;font-weight:500}
h3{font-size:20px;line-height:1.35;letter-spacing:-.03em;font-weight:500}
h4{font-size:17px;line-height:1.35;letter-spacing:-.02em;font-weight:500}
p{color:var(--muted)}

/* ---------- bits ---------- */
.dot{width:6px;height:6px;border-radius:50%;background:var(--sand);display:inline-block;flex:none}
.dot-dusk{background:var(--dusk)}
.sq{width:9px;height:9px;border-radius:3px;background:rgba(255,255,255,.35);display:inline-block;flex:none}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid var(--line-soft);
  font-size:13px;letter-spacing:-.02em;color:#fff;
}
.badge-ghost{background:rgba(255,255,255,.05);color:var(--text-soft);margin-bottom:28px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:16px;font-weight:500;letter-spacing:-.03em;
  transition:transform .25s var(--ease),opacity .25s var(--ease),background .25s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#ececec}
.btn-outline{background:rgba(255,255,255,.05);color:#fff;border:1px solid var(--line)}
.btn-outline:hover{background:rgba(255,255,255,.1)}

.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);
  font-size:12.5px;letter-spacing:-.02em;color:var(--text-soft);white-space:nowrap;
}
.chip-on{background:rgba(255,255,255,.16);color:#fff}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip-ico{width:13px;height:13px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.7}
.chips-sm .chip{font-size:11.5px;padding:5px 10px}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:-.02em}

/* =========================================================
   NAV
   ========================================================= */
.nav{position:fixed;inset:0 0 auto 0;z-index:80;transition:background .3s var(--ease),border-color .3s var(--ease)}
.nav.scrolled{background:rgba(0,0,0,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:16px var(--gutter);display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:500;letter-spacing:-.03em}
.brand-mark{width:22px;height:22px;display:grid;place-items:center;flex:none}
.brand-mark img,.brand-mark svg{width:22px;height:22px;object-fit:contain;display:block}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--text-soft);letter-spacing:-.02em;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{height:38px;font-size:14.5px;padding:0 18px}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

/* Lien X : une pastille discrète, qui s'allume au survol. */
.nav-x{
  width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:50%;
  color:var(--muted);border:1px solid var(--line-soft);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.nav-x:hover{color:#fff;border-color:var(--line);background:rgba(255,255,255,.07)}
.nav-x svg{width:14px;height:14px;fill:currentColor;display:block}
.nav-burger{display:none;flex-direction:column;gap:5px;margin-left:auto}
.nav-burger span{width:20px;height:1.6px;background:#fff;display:block}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  min-height:100vh;
  /* Le contenu démarre sous la barre fixe, puis respire avec la hauteur
     d'écran : serré sur un portable, aéré sur un grand moniteur. */
  padding:calc(var(--nav-h) + clamp(10px,5vh,64px)) 0 clamp(16px,5vh,64px);
  display:flex;flex-direction:column;
  overflow:hidden;
}
/* Trois calques empilés : sky est opaque, hills et ridge ont de l'alpha
   (tRNS) — c'est leur transparence qui fait le fondu, pas un masque. */
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg .layer{
  position:absolute;left:0;width:100%;max-width:none;
  object-fit:cover;object-position:center;will-change:transform;
}
.layer-sky{top:-8%;height:122%}
.layer-hills{top:15.4%;height:110%}
.layer-ridge{top:22%;height:117%}
/* Seul assombrissement du hero : un fondu vers le noir en bas. */
.hero-fade{
  position:absolute;left:0;right:0;top:69.5%;height:30.5%;
  background:linear-gradient(to bottom,rgba(0,0,0,0),#000);
}

.hero-inner{
  position:relative;z-index:2;flex:1;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.hero .badge{padding:6px 14px}
.hero h1{margin:clamp(12px,2.8vh,30px) 0 0}
.hero-sub{max-width:350px;color:var(--text-soft);font-size:16px;margin:clamp(10px,2.6vh,28px) 0 clamp(12px,3.2vh,34px)}
.hero-inner>.btn{height:38px;font-size:15px;padding:0 20px}

.app-mock{width:100%;max-width:820px;margin-top:clamp(12px,3.6vh,48px)}
.app-shell{
  background:rgba(12,12,14,.55);backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:clamp(14px,2.8vh,32px);text-align:left;
  box-shadow:0 40px 90px rgba(0,0,0,.55);
}
.app-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:clamp(10px,2.4vh,26px)}
.app-greet{font-size:17px;letter-spacing:-.02em}
.app-sub{font-size:14px;color:var(--muted)}
.chip-status{background:rgba(255,255,255,.06)}
.prompt-box{background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:20px 20px 16px;min-height:clamp(64px,17vh,212px);display:flex;flex-direction:column}
.prompt-placeholder{color:rgba(255,255,255,.45);font-size:14.5px}
.prompt-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:22px}
.prompt-icons{display:flex;gap:14px;opacity:.5}
.prompt-icons svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.prompt-icons.sm svg{width:13px;height:13px}
.send{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.14);display:grid;place-items:center}
.send svg{width:14px;height:14px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.send-sm{width:24px;height:24px}
.send-sm svg{width:11px;height:11px}
.app-start{margin-top:clamp(10px,2.4vh,26px);display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.app-start-label{font-size:12.5px;color:var(--muted-2);letter-spacing:-.02em}

/* Sous 700px de haut, la rangée « What you get » sort de la carte plutôt
   que de pousser le bas du mock hors de l'écran. */
@media (max-height:700px){
  .app-start{display:none}
}

/* =========================================================
   SECTIONS
   ========================================================= */
.section{padding:120px 0;position:relative}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:56px}
.section-head p{max-width:330px;text-align:right;color:var(--text-soft);font-size:15px}
.center-head{text-align:center;display:flex;flex-direction:column;align-items:center}
.center-head h2{margin-bottom:44px}

/* ---------- about ---------- */
.about-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-xl);
  padding:46px;margin-bottom:48px;
}
.about-text{font-size:24px;line-height:1.5;letter-spacing:-.03em;color:#fff}
.about-text .w{opacity:.18;transition:opacity .35s var(--ease)}
.about-text .w.on{opacity:1}

.logo-row{
  display:flex;gap:10px;background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);padding:14px;
}
.logo-cell{
  flex:1;height:58px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);border:1px solid var(--line-soft);
  display:grid;place-items:center;color:rgba(255,255,255,.75);
  transition:background .25s var(--ease),color .25s var(--ease);
}
.logo-cell:hover{background:rgba(255,255,255,.07);color:#fff}
.logo-cell svg{width:22px;height:22px;fill:currentColor}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px 40px}
.feature h3{margin:26px 0 10px}
.feature p{font-size:14.5px;max-width:420px}

.panel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;background:#191113 var(--bg) center/cover no-repeat;
  background-image:var(--bg);
  border:1px solid var(--line-soft);
}
.panel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.55))}
.panel-sm{aspect-ratio:16/11}
.mock{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:center;gap:10px;padding:26px}

.float-card{
  background:rgba(18,18,20,.82);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;display:flex;flex-direction:column;gap:8px;
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.fc-wide{width:100%}
.fc-label{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;color:var(--muted-2);letter-spacing:-.01em}
.float-card strong{font-size:14px;font-weight:500;letter-spacing:-.02em;line-height:1.4}
.fc-body{font-size:12.5px;color:var(--muted);line-height:1.5}
.fc-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{font-size:10.5px;color:var(--muted-2);background:rgba(255,255,255,.07);border-radius:6px;padding:3px 7px}
.meta{font-size:11px;color:var(--muted-2)}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.inset{background:rgba(255,255,255,.06);border-radius:10px;padding:9px 11px;font-size:12.5px;color:var(--text-soft)}
.quote-block{background:rgba(255,255,255,.06);border-radius:10px;padding:12px;font-size:13px}
.toast{align-self:center;background:rgba(20,20,22,.9);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:11.5px;color:var(--text-soft)}
.mock-notes{justify-content:center}
.fc-1{width:58%;transform:translateX(6%)}
.fc-2{width:52%;align-self:flex-end;transform:translate(-4%,-14px)}
.bar-card{background:rgba(18,18,20,.82);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:12.5px;color:var(--text-soft)}
.fc-accent{border-color:rgba(255,255,255,.16)}
.pill-white{background:#fff;color:var(--ink);font-size:11.5px;border-radius:999px;padding:5px 13px;font-weight:500}
.check{color:var(--text-soft)}
.check.dim{color:var(--muted-2)}

.code{
  font-family:'Geist Mono',monospace;font-size:11.5px;line-height:1.9;color:var(--text-soft);
  background:rgba(255,255,255,.04);border-radius:10px;padding:10px 12px;white-space:pre;overflow:hidden;
}
.code .ln{display:inline-block;width:18px;color:rgba(255,255,255,.25)}
.code .k{color:#c4a1ff}
.code .s{color:#9ad9b0}

.numlist{list-style:none;display:flex;flex-direction:column;gap:7px}
.numlist li{font-size:12.5px;color:var(--text-soft);display:flex;gap:9px}
.numlist span{font-family:'Geist Mono',monospace;color:var(--muted-2);font-size:11px}

.timeline{list-style:none;display:flex;flex-direction:column;gap:6px}
.timeline li{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.04);border-radius:10px;padding:9px 11px}
.timeline li.on{background:rgba(255,255,255,.09)}
.timeline .time{font-family:'Geist Mono',monospace;font-size:11px;color:var(--muted-2)}
.timeline b{font-size:12.5px;font-weight:500;display:block}
.timeline small{font-size:10.5px;color:var(--muted-2)}

/* ---------- use cases ---------- */
.usecase-layout{display:grid;grid-template-columns:230px 1fr;gap:48px;align-items:stretch}
.usecase-nav{height:100%}
.usecase-nav-sticky{position:sticky;top:110px;display:flex;flex-direction:column;gap:20px}
#usecaseNav{list-style:none;display:flex;flex-direction:column;gap:4px}
#usecaseNav li{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:13.5px;color:var(--muted);
  border:1px solid transparent;cursor:pointer;transition:all .3s var(--ease);letter-spacing:-.02em;
}
#usecaseNav li .dot{background:var(--muted-2);transition:background .3s var(--ease)}
#usecaseNav li.active{background:var(--card);border-color:var(--line);color:#fff}
#usecaseNav li.active .dot{background:var(--sand)}
.usecase-nav-sticky .btn{align-self:flex-start}

.usecase-panels{display:flex;flex-direction:column;gap:20px}
.usecase{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-xl);padding:34px}
.usecase h3{margin:14px 0 10px;font-size:24px;letter-spacing:-.04em}
.usecase>p{font-size:14.5px;margin-bottom:16px;max-width:520px}
.usecase .chips{margin-bottom:26px}

/* ---------- benefits ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:24px;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.benefit:hover{border-color:var(--line);transform:translateY(-3px)}
.b-icon{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.06);display:grid;place-items:center;margin-bottom:34px}
.b-icon svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.benefit h4{margin-bottom:9px}
.benefit p{font-size:13.5px;line-height:1.5}

/* ---------- how it works ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step-num{display:block;font-size:34px;letter-spacing:-.05em;color:rgba(255,255,255,.22);margin:22px 0 8px}
.step h4{margin-bottom:9px}
.step p{font-size:13.5px;line-height:1.55}

/* ---------- testimonials ---------- */
.marquee{overflow:hidden;padding:10px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:20px;width:max-content;animation:scroll 42s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(calc(-50% - 10px))}}
.quote{
  width:420px;flex:none;background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;gap:16px;
}
.qmark{font-size:40px;line-height:.6;color:rgba(255,255,255,.3)}
.quote blockquote{font-size:14.5px;line-height:1.6;color:var(--text-soft);letter-spacing:-.02em}
.quote figcaption{display:flex;align-items:center;gap:11px;margin-top:auto}
.quote figcaption img{width:34px;height:34px;border-radius:50%;object-fit:cover}
.quote b{font-size:13.5px;font-weight:500;display:block}
.quote small{font-size:11.5px;color:var(--muted-2)}

/* ---------- pricing ---------- */
.toggle-wrap{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:44px}
.toggle-label{font-size:13.5px;color:var(--muted-2);cursor:pointer;transition:color .25s}
.toggle-label.active{color:#fff}
.toggle{width:44px;height:24px;border-radius:999px;background:rgba(255,255,255,.12);position:relative;padding:3px}
.toggle span{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .3s var(--ease)}
.toggle.on span{transform:translateX(20px)}

.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.plan{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-xl);padding:30px;display:flex;flex-direction:column}
.plan-pro{background:#141416;border-color:var(--line)}
.plan-top{display:flex;align-items:center;justify-content:space-between}
.plan-tier{font-size:11px;letter-spacing:.14em;color:var(--muted-2)}
.pill-pop{background:rgba(255,255,255,.1);border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:11.5px}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:18px 0 12px}
.plan-price b{font-size:40px;font-weight:500;letter-spacing:-.05em}
.plan-price small{font-size:13px;color:var(--muted-2)}
.plan-desc{font-size:13.5px;line-height:1.5;margin-bottom:22px;min-height:40px}
.plan .btn{width:100%}
.plan-sep{display:block;text-align:center;font-size:12px;color:var(--muted-2);margin:24px 0 16px;position:relative}
.plan-sep::before,.plan-sep::after{content:"";position:absolute;top:50%;width:33%;height:1px;background:var(--line-soft)}
.plan-sep::before{left:0}.plan-sep::after{right:0}
.plan-list{list-style:none;display:flex;flex-direction:column;gap:11px}
.plan-list li{font-size:13px;color:var(--text-soft);display:flex;align-items:center;gap:10px}
.plan-list li::before{
  content:"";width:15px;height:15px;border-radius:50%;flex:none;
  background:rgba(255,255,255,.08) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/9px no-repeat;
}

/* ---------- faq ---------- */
.faq-list{width:100%;max-width:680px;display:flex;flex-direction:column;gap:10px;text-align:left}
.faq-list details{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.faq-list summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:14.5px;letter-spacing:-.02em;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary i{
  width:16px;height:16px;flex:none;transition:transform .3s var(--ease);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a3a3a3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
}
.faq-list details[open] summary i{transform:rotate(180deg)}
.faq-list p{padding:0 20px 20px;font-size:13.5px;line-height:1.6;max-width:600px}

/* ---------- cta band ---------- */
.cta-band{padding:130px 0}
.cta-band .container{flex-direction:column;align-items:center;display:flex;gap:18px;margin:0 auto}
.cta-sub{max-width:380px;font-size:15px;color:var(--text-soft)}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line-soft);padding:64px 0 40px;background:var(--bg-soft)}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:80px}
.footer-brand .brand{margin-bottom:28px}
.footer-brand h4{margin-bottom:8px}
.footer-brand>p{font-size:13.5px;max-width:360px;line-height:1.55;margin-bottom:20px}
.newsletter{display:flex;gap:10px;max-width:420px;margin-bottom:28px}
.newsletter input{
  flex:1;height:44px;padding:0 16px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:#fff;outline:none;
}
.newsletter input::placeholder{color:var(--muted-2)}
.newsletter input:focus{border-color:rgba(255,255,255,.25)}
.copy{font-size:11.5px;color:var(--muted-2)}
.footer-cols{display:flex;gap:70px}
.footer-cols div{display:flex;flex-direction:column;gap:12px}
.footer-cols span{font-size:13.5px;color:#fff;margin-bottom:2px}
.footer-cols a{font-size:13.5px;color:var(--muted);transition:color .2s}
.footer-cols a:hover{color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1100px){
  :root{--gutter:32px}
  h1{font-size:46px}
  .feature-grid{gap:44px 26px}
  .usecase-layout{grid-template-columns:200px 1fr;gap:28px}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
}
@media (max-width:820px){
  :root{--gutter:22px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-right{margin-left:auto}
  .nav-burger{display:flex;margin-left:14px}
  .nav.open .nav-links{
    display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(0,0,0,.95);border-bottom:1px solid var(--line-soft);padding:8px 22px 18px;
  }
  .nav.open .nav-links a{padding:12px 0}
  h1{font-size:38px}
  h2{font-size:26px}
  .hero{padding-top:120px;min-height:auto}
  .app-mock{margin-top:48px}
  .app-shell{padding:18px}
  .section{padding:80px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px}
  .section-head p{text-align:left;max-width:100%}
  .about-card{padding:26px}
  .about-text{font-size:19px}
  .logo-row{flex-wrap:wrap}
  .logo-cell{flex:1 1 28%}
  .feature-grid{grid-template-columns:1fr}
  .usecase-layout{grid-template-columns:1fr}
  .usecase-nav{display:none}
  .usecase{padding:22px}
  .benefit-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr;gap:38px}
  .quote{width:300px}
  .footer-inner{grid-template-columns:1fr;gap:44px}
  .footer-cols{gap:48px}
  .newsletter{flex-direction:column}
  .newsletter .btn{width:100%}
}