/* ============================================================
   NovaDesk — layout
   ============================================================ */

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,13,18,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:Sora,sans-serif;font-weight:700;font-size:1.05rem}
.brand img{border-radius:9px}
.brand-word span{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:6px;margin-left:auto}
.nav a{padding:9px 14px;border-radius:10px;font-size:.925rem;color:var(--txt-2);transition:color .16s,background .16s}
.nav a:hover{color:var(--txt-1);background:rgba(255,255,255,.05)}
.header-cta{margin-left:8px}

/* ---------- hero ---------- */
.hero{
  padding:88px 0 96px;
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(91,140,255,.20), transparent 62%),
    radial-gradient(720px 480px at 12% 8%, rgba(139,91,255,.14), transparent 60%),
    var(--bg);
}
.hero-inner{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.2rem,4.4vw,3.5rem);font-weight:800}
.grad{background:linear-gradient(120deg,var(--brand-1),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--txt-2);font-size:1.075rem;line-height:1.72;margin-top:20px;max-width:52ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px}
.hero-facts li{
  color:var(--txt-3);font-size:.85rem;display:flex;align-items:center;gap:8px;
}
.hero-facts li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  flex:0 0 auto;
}
.hero-visual{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  background:var(--surface);
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:660px;margin-bottom:48px}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-1);margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.65rem,3vw,2.35rem);font-weight:800}
.section-head p{color:var(--txt-2);margin-top:14px;font-size:1.02rem}

/* ---------- grid / cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;
  transition:border-color .18s ease,transform .18s ease,background .18s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);background:var(--surface-2)}
.card h3{font-size:1.075rem;font-weight:700;margin-bottom:10px}
.card p{color:var(--txt-2);font-size:.945rem;line-height:1.68}
.card-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(91,140,255,.20),rgba(139,91,255,.20));
  border:1px solid rgba(91,140,255,.30);
  color:var(--brand-1);font-family:Sora,sans-serif;font-weight:700;font-size:.82rem;
  margin-bottom:18px;
}

/* ---------- steps ---------- */
.step{position:relative;padding-top:34px}
.step-num{
  position:absolute;top:-16px;left:28px;
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;font-family:Sora,sans-serif;font-weight:800;font-size:1.05rem;
  box-shadow:0 10px 24px rgba(91,140,255,.32);
}

/* ---------- platforms ---------- */
.spec-list{margin-top:16px;display:grid;gap:9px}
.spec-list li{
  color:var(--txt-2);font-size:.93rem;display:flex;align-items:center;gap:10px;
}
.spec-list li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-1);flex:0 0 auto;
}
.platform-visual{
  margin-top:32px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}

/* ---------- download ---------- */
.download-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.dl-copy h2{font-size:clamp(1.7rem,3vw,2.35rem);font-weight:800}
.dl-copy .muted{margin-top:14px;font-size:1.02rem}
.dl-buttons{display:flex;flex-direction:column;gap:14px;margin-top:32px;max-width:400px}
.dl-btn{justify-content:space-between;width:100%;padding:18px 26px;border-radius:var(--radius)}
.dl-btn small{font-weight:500;opacity:.72;font-size:.78rem}
.dl-copy .small{margin-top:24px}
.dl-copy .small a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px}
.dl-art{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}

/* ---------- faq ---------- */
.faq{
  border-bottom:1px solid var(--line);padding:20px 0;
}
.faq:first-of-type{border-top:1px solid var(--line)}
.faq summary{
  cursor:pointer;font-weight:600;font-size:1rem;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  color:var(--txt-1);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";color:var(--brand-1);font-size:1.35rem;font-weight:400;
  transition:transform .2s ease;flex:0 0 auto;
}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--txt-2);margin-top:14px;font-size:.945rem;line-height:1.72}
.faq p a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px}

/* ---------- cta ---------- */
.cta{
  background:
    radial-gradient(760px 380px at 50% 0%, rgba(91,140,255,.18), transparent 68%),
    var(--bg);
  border-top:1px solid var(--line);
}
.cta-inner{text-align:center;max-width:640px;margin:0 auto}
.cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800}
.cta .muted{margin-top:14px;font-size:1.02rem}
.cta .btn{margin-top:30px}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:56px 0 32px}
.footer-inner{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap}
.footer-brand .muted{margin-top:14px;max-width:30ch}
.footer-nav{display:flex;gap:64px}
.footer-nav h4{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt-3);margin-bottom:16px}
.footer-nav a{display:block;color:var(--txt-2);font-size:.9rem;padding:6px 0;transition:color .16s}
.footer-nav a:hover{color:var(--txt-1)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}

/* ---------- toast ---------- */
#toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);
  background:var(--surface-2);color:var(--txt-1);border:1px solid var(--line-strong);
  padding:14px 22px;border-radius:12px;font-size:.9rem;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;z-index:200;
  max-width:90vw;
}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- screen sizes ---------- */
@media (max-width:960px){
  .hero-inner,.download-inner{grid-template-columns:1fr;gap:40px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-visual,.dl-art{order:-1}
}
@media (max-width:720px){
  .nav{display:none}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero{padding:56px 0 64px}
  .footer-nav{gap:40px}
  .header-cta{margin-left:auto}
}
@media (max-width:420px){
  .hero h1{font-size:2rem}
  .hero-actions .btn{width:100%}
  .btn-lg{padding:14px 22px}
}