:root{
  --brand:#0b5cff;
  --brand-dark:#073a9b;
  --accent:#8b5cf6;
  --bg:#ffffff;
  --soft:#f6f8fe;
  --text:#162033;
  --muted:#647089;
  --border:#e6ecf6;
  --radius:18px;
  --shadow:0 10px 30px rgba(12,22,44,.08);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;

  line-height:1.6;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:var(--brand);
  text-decoration:none;
}

.wrap{
  width:min(1180px,92vw);
  margin-inline:auto;
}

.grid{
  display:grid;
  gap:28px;
}

.section{
  padding:56px 0;
}

.section.soft{
  background:var(--soft);
}

.section-title{
  font-size:clamp(24px,2.8vw,36px);
  line-height:1.15;
  margin:0 0 10px;
  color:var(--text);
}

.sub{
  color:var(--muted);
  max-width:74ch;
  margin:0 0 22px;
  font-size:16px;
}

.mini{
  color:var(--muted);
  font-size:14px;
}

.badges{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:16px 0;
}

.badge{
  padding:8px 12px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
  color:#21314c;
  font-weight:700;
  font-size:14px;
}

.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:20px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:13px 18px;
  border-radius:14px;
  font-weight:800;
  border:1px solid transparent;
  transition:.2s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 10px 20px rgba(11,92,255,.18);
}

.btn-ghost{
  background:#fff;
  border-color:var(--border);
  color:#111e34;
}


/* STICKY CTA */

.sticky{
  position:sticky;
  bottom:0;
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--border);
  backdrop-filter:saturate(1.3) blur(6px);
  z-index:50;
}

.sticky .wrap{
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  padding:12px 0;
}


/* IMAGE AREAS */

.image-box{
  position:relative;
  width:100%;
  overflow:hidden;
  border-radius:var(--radius);
  background:#eef4ff;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}

.image-box img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}

.image-box.contain img{
  object-fit:contain;
  padding:10px;
  background:#fff;
}

.image-size-label{
  position:absolute;
  left:12px;
  bottom:12px;
  z-index:2;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  color:#39506f;
  font-size:12px;
  font-weight:700;
  border:1px solid rgba(230,236,246,.9);
  box-shadow:0 6px 18px rgba(12,22,44,.08);
}

.ratio-4-3{
  aspect-ratio:4/3;
}

.ratio-16-9{
  aspect-ratio:16/9;
}

.ratio-1-1{
  aspect-ratio:1/1;
}

.ratio-3-2{
  aspect-ratio:3/2;
}


/* HERO */

.hero{
  padding:64px 0 42px;

  background:
    radial-gradient(
      circle at top right,
      rgba(139,92,246,.15),
      transparent 34%
    ),
    linear-gradient(
      135deg,
      #eef4ff 0%,
      #faf7ff 100%
    );
}

.hero-layout{
  grid-template-columns:1.08fr .92fr;
  align-items:center;
}

.hero h1{
  font-size:clamp(32px,4vw,52px);
  line-height:1.06;
  margin:.2em 0 .4em;
  letter-spacing:-.02em;
}

.lead{
  font-size:clamp(16px,2vw,19px);
  color:var(--muted);
  max-width:68ch;
}


/* KPI */

.kpis{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}

.kpi{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  text-align:center;
  padding:18px 14px;
  box-shadow:var(--shadow);
}

.kpi strong{
  display:block;
  font-size:24px;
  color:var(--brand);
  line-height:1.2;
}

.kpi span{
  color:var(--muted);
  font-size:14px;
}


/* CARDS */

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:18px;
}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:20px;
  box-shadow:var(--shadow);
}

.card h3{
  margin:.2em 0 .45em;
  font-size:18px;
  color:var(--text);
}

.card p{
  margin:0;
  color:var(--muted);
}

.panel{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  box-shadow:var(--shadow);
}


/* CHECK LIST */

.list-check{
  list-style:none;
  padding:0;
  margin:0;
}

.list-check li{
  padding-left:28px;
  position:relative;
  margin:.55em 0;
}

.list-check li::before{
  content:"✔";
  position:absolute;
  left:0;
  top:0;
  color:var(--brand);
  font-weight:900;
}


/* SPECS */

.spec-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:14px;
}

.spec{
  background:#fff;
  border:1px dashed var(--border);
  border-radius:14px;
  padding:16px;
}

.spec strong{
  display:block;
  color:var(--brand-dark);
  margin-bottom:3px;
}


/* TABLE */

.table-wrap{
  overflow-x:auto;
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow);
}

.table{
  width:100%;
  border-collapse:collapse;
  min-width:640px;
}

.table th,
.table td{
  padding:14px 16px;
  border-bottom:1px solid var(--border);
  text-align:left;
  vertical-align:top;
}

.table th{
  background:#f7f9ff;
  color:#17223a;
  font-weight:800;
}

.table tr:last-child td{
  border-bottom:0;
}


/* BEFORE AFTER */

.ba{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  background:#f1f4fb;
  box-shadow:var(--shadow);
}

.ba img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}

.ba .after{
  clip-path:inset(0 50% 0 0);
  transition:clip-path .18s ease;
}

.ba .handle{
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:3px;
  background:linear-gradient(#fff,#cfe1ff);
  box-shadow:0 0 0 1px rgba(0,0,0,.06);
  z-index:3;
}

.ba input[type=range]{
  position:absolute;
  left:50%;
  bottom:16px;
  transform:translateX(-50%);
  width:min(520px,78%);
  appearance:none;
  height:6px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  border-radius:999px;
  z-index:4;
}

.ba input::-webkit-slider-thumb{
  appearance:none;
  width:22px;
  height:22px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  box-shadow:0 4px 12px rgba(0,0,0,.2);
}

.ba input::-moz-range-thumb{
  width:22px;
  height:22px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  box-shadow:0 4px 12px rgba(0,0,0,.2);
}

.ba-tag{
  position:absolute;
  top:14px;
  z-index:5;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  font-weight:800;
  color:#20304b;
  font-size:13px;
}

.ba-tag.before{
  left:14px;
}

.ba-tag.after-label{
  right:14px;
}


/* FAQ */

details.card{
  cursor:pointer;
}

details.card summary{
  list-style:none;
}

details.card summary::-webkit-details-marker{
  display:none;
}

.faq-grid{
  display:grid;
  gap:14px;
}


/* RESPONSIVE */

@media (max-width:980px){

  .hero-layout,
  .two-col{
    grid-template-columns:1fr !important;
  }

  .kpis{
    grid-template-columns:repeat(2,1fr);
  }

}


@media (max-width:620px){

  .section{
    padding:42px 0;
  }

  .hero{
    padding:46px 0 32px;
  }

  .kpis{
    grid-template-columns:1fr 1fr;
  }

  .sticky .wrap{
    align-items:flex-start;
  }

  .sticky .btn{
    min-height:42px;
    padding:10px 14px;
    font-size:14px;
  }

  .image-size-label{
    font-size:11px;
  }

}