/* =========================
   Stoltenia — HiFi Static UI
   styles.css
========================= */

:root{
  --bg: #0b0f1a;
  --bg2:#0f1630;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.12);

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --faint: rgba(255,255,255,.52);

  --brand:#7C5CFF;
  --brand2:#22D3EE;
  --ok:#34D399;
  --warn:#FBBF24;

  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --shadow2: 0 10px 26px rgba(0,0,0,.35);

  --radius: 18px;
  --radius2: 14px;
  --radius3: 28px;

  --max: 1120px;

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 20px;
  --space-5: 28px;
  --space-6: 40px;
  --space-7: 56px;
  --space-8: 84px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 12% 8%, rgba(124,92,255,.35), transparent 55%),
    radial-gradient(1000px 600px at 85% 10%, rgba(34,211,238,.22), transparent 55%),
    radial-gradient(900px 500px at 50% 110%, rgba(52,211,153,.12), transparent 60%),
    var(--bg);
  line-height:1.4;
  overflow-x:hidden;
}

img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
p{margin:0 0 14px}
h1,h2,h3{margin:0 0 10px; line-height:1.1}
small{color:var(--muted)}

.container{width:min(var(--max), calc(100% - 48px)); margin-inline:auto}
.section{padding: var(--space-8) 0}
@media (max-width: 980px){ .section{padding: var(--space-7) 0} .container{width: min(var(--max), calc(100% - 32px));} }

.muted{color:var(--muted)}
.faint{color:var(--faint)}
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Layout helpers */
.grid{display:grid; gap: var(--space-4)}
.grid-2{grid-template-columns: 1.15fr .85fr}
.grid-3{grid-template-columns: repeat(3, 1fr)}
.grid-4{grid-template-columns: repeat(4, 1fr)}
@media (max-width: 980px){
  .grid-2,.grid-3,.grid-4{grid-template-columns: 1fr}
}

/* Cards / surfaces */
.card{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.card.pad{padding: var(--space-5)}
.card.soft{background: rgba(255,255,255,.04); box-shadow: var(--shadow2)}
.hr{border:0; height:1px; background: rgba(255,255,255,.08); margin: 18px 0}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
  box-shadow: var(--shadow2);
  transition: transform .12s ease, filter .12s ease, background .12s ease, border-color .12s ease;
  cursor:pointer;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18)}
.btn:active{transform: translateY(0px)}
.btn-primary{
  border: 1px solid rgba(124,92,255,.55);
  background: linear-gradient(135deg, rgba(124,92,255,.92), rgba(34,211,238,.65));
  box-shadow: 0 14px 50px rgba(124,92,255,.25);
}
.btn-ghost{background: transparent; box-shadow:none}

/* Topbar */
.topbar{
  position:sticky; top:0; z-index:100;
  background: rgba(11,15,26,.60);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-weight: 900;
  letter-spacing:.2px;
}
.logo{
  width:34px; height:34px; border-radius: 12px;
  background:
    radial-gradient(16px 16px at 30% 30%, rgba(255,255,255,.32), transparent 60%),
    linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 10px 34px rgba(124,92,255,.25);
  border: 1px solid rgba(255,255,255,.14);
}
.brand__text{white-space:nowrap}

.navlinks{
  display:flex; align-items:center; gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}
.navlinks a{
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.navlinks a:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.10);
  color: var(--text);
}
.navlinks a[aria-current="page"]{
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.14);
  color: var(--text);
}
.nav-right{display:flex; align-items:center; gap:10px}
.nav-toggle{display:none}
@media (max-width: 980px){
  .nav-toggle{display:inline-flex}
  .navlinks{display:none}
  .navlinks.is-open{
    display:flex;
    width:100%;
    padding: 10px 0 2px;
  }
  .nav{flex-wrap:wrap}
}

/* Hero */
.hero{padding: 54px 0 20px}
.hero h1{
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: -0.7px;
}
.hero p{max-width: 62ch; color: var(--muted)}
.hero-actions{display:flex; gap: 12px; flex-wrap:wrap; margin-top: 16px}
.chip{
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 13px;
  color: var(--muted);
}
.dot{
  width:9px; height:9px; border-radius:50%;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px rgba(124,92,255,.12);
}

.kpis{
  display:flex; gap: 12px; flex-wrap:wrap;
  margin-top: 18px;
}
.kpi{
  display:flex; align-items:center; gap:10px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
}
.kpi strong{color: var(--text)}
.badge{
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(52,211,153,.35);
  color: rgba(52,211,153,.95);
  background: rgba(52,211,153,.08);
}

/* Marquee */
.marquee{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: 16px;
  overflow:hidden;
  box-shadow: var(--shadow2);
}
.marquee__track{
  display:flex;
  gap: 28px;
  white-space: nowrap;
  padding: 12px 0;
  animation: scroll 28s linear infinite;
}
.marquee__items{
  display:flex; gap: 28px; padding-left: 18px;
}
.marquee__item{
  display:inline-flex; align-items:center; gap:10px;
  color: var(--muted);
  font-size: 13px;
}
@keyframes scroll{
  from{transform: translateX(0)}
  to{transform: translateX(-50%)}
}
@media (prefers-reduced-motion: reduce){
  .marquee__track{animation:none}
}

/* Section headings */
.section-title{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap: 14px;
  margin-bottom: 18px;
}
.section-title h2{
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.35px;
}
.section-title p{margin:0; color: var(--muted)}

/* Feature cards */
.icon{
  width: 42px; height: 42px; border-radius: 14px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.14);
  background:
    radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.20), transparent 60%),
    rgba(255,255,255,.05);
  margin-bottom: 12px;
}
.icon svg{width: 20px; height: 20px; opacity: .9}
.feat h3{font-size: 16px; margin: 0 0 8px}
.feat p{margin: 0; color: var(--muted); font-size: 14px}

/* Steps */
.steps .row{
  display:flex; gap: 14px; align-items:flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.steps .row:last-child{border-bottom:0}
.num{
  width: 34px; height: 34px; border-radius: 12px;
  display:grid; place-items:center;
  background: rgba(124,92,255,.14);
  border: 1px solid rgba(124,92,255,.35);
  color: rgba(255,255,255,.9);
  font-weight: 800;
  flex: 0 0 auto;
}
.steps h4{margin: 2px 0 6px; font-size: 15px}
.steps p{margin:0; color: var(--muted); font-size: 14px}

/* Tabs (Pricing) */
.tabs{display:flex; gap: 10px; flex-wrap:wrap; margin-bottom: 14px}
.tab{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  cursor:pointer;
  font-weight: 700;
}
.tab[aria-selected="true"]{
  color: var(--text);
  border-color: rgba(124,92,255,.55);
  background: rgba(124,92,255,.14);
}
.tabpanels > section{display:none}
.tabpanels > section[aria-hidden="false"]{display:block}

/* Pricing plans */
.plan .tag{
  display:inline-flex; gap:8px; align-items:center;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
}
.plan h3{margin: 12px 0 8px; font-size: 18px}
.money{
  font-size: 34px;
  letter-spacing: -0.6px;
  margin: 6px 0 12px;
}
.list{margin: 0; padding-left: 18px; color: var(--muted); font-size: 14px}
.list li{margin: 8px 0}
.best{
  border: 1px solid rgba(124,92,255,.55);
  background: linear-gradient(180deg, rgba(124,92,255,.12), rgba(255,255,255,.05));
}

/* Testimonials */
.quote{
  font-size: 14px;
  color: var(--muted);
}
.person{
  display:flex; align-items:center; gap: 12px; margin-top: 14px;
  color: var(--muted);
}
.avatar{
  width: 34px; height: 34px; border-radius: 12px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
}

/* FAQ */
details{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  padding: 12px 14px;
}
summary{
  cursor:pointer;
  font-weight: 900;
  list-style: none;
}
summary::-webkit-details-marker{display:none}
details p{margin: 10px 0 0; color: var(--muted); font-size: 14px}

/* Forms */
.field{display:grid; gap: 8px}
label{font-weight: 800; font-size: 13px; color: rgba(255,255,255,.82)}
input, textarea, select{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline:none;
}
textarea{min-height: 130px; resize: vertical}
input:focus, textarea:focus, select:focus{
  border-color: rgba(124,92,255,.55);
  box-shadow: 0 0 0 4px rgba(124,92,255,.18);
}

/* Footer */
footer{
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 30px 0 50px;
  color: var(--muted);
  font-size: 13px;
}
.footer-grid{
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
}
.footer-links{display:flex; gap: 12px; flex-wrap:wrap}
.footer-links a{color: var(--muted)}
.footer-links a:hover{color: var(--text)}