:root{
  --bg:#f6f8fc;
  --bg2:#eef3fb;
  --card:#ffffff;
  --card2:#f9fbff;
  --line: rgba(15,23,42,.12);
  --txt:#0b1220;
  --muted: rgba(11,18,32,.72);
  --muted2: rgba(11,18,32,.56);
  --accent:#2563eb;
  --accent2:#7c3aed;
  --good:#16a34a;
  --warn:#d97706;
  --bad:#dc2626;
  --shadow: 0 24px 70px rgba(2,6,23,.15);
  --shadow2: 0 10px 30px rgba(2,6,23,.10);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
  --focus: 0 0 0 4px rgba(37,99,235,.22);
}

/* Base */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  color:var(--txt);
  background: radial-gradient(1200px 700px at 20% -10%, rgba(106,169,255,.22), transparent 55%),
              radial-gradient(900px 650px at 78% 8%, rgba(139,92,246,.20), transparent 55%),
              radial-gradient(900px 700px at 50% 120%, rgba(34,197,94,.10), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  min-height:100vh;
}

a{ color:inherit; }
p{ margin:0; }

.container{
  width:min(1180px, calc(100% - 40px));
  margin:0 auto;
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid var(--line);
  background: rgba(7,11,18,.62);
  backdrop-filter: blur(12px);
}

.topbar .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.brand-mark{
  width:34px; height:34px;
  border-radius:12px;
  background:
    radial-gradient(16px 16px at 25% 30%, rgba(255,255,255,.25), transparent 60%),
    linear-gradient(135deg, rgba(106,169,255,.95), rgba(139,92,246,.95));
  box-shadow: 0 12px 26px rgba(106,169,255,.25);
}

.brand span{
  font-weight:750;
  letter-spacing:.2px;
}

.nav{
  display:flex; align-items:center; gap:16px; flex-wrap:wrap;
}

.nav a{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}

.nav a:hover{
  color:var(--txt);
  border-color: rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

.nav .cta{
  color:var(--txt);
  border:1px solid rgba(106,169,255,.38);
  background: rgba(106,169,255,.10);
}

.nav .cta:hover{
  border-color: rgba(106,169,255,.55);
  background: rgba(106,169,255,.16);
}

.hero{
  padding:52px 0 20px;
  overflow:hidden;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.06fr .94fr;
  gap:18px;
  align-items:start;
}
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
}

.kicker{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.dot{
  width:8px; height:8px; border-radius:50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(106,169,255,.10);
}

.h1{
  margin:14px 0 10px;
  font-size: clamp(34px, 4.2vw, 52px);
  letter-spacing: -0.8px;
  line-height:1.02;
}
.grad{
  background: linear-gradient(90deg, #cfe3ff 0%, #c7d2fe 35%, #93c5fd 70%, #a78bfa 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}

.lead{
  color:var(--muted);
  font-size:16px;
  line-height:1.6;
  max-width: 60ch;
}

.actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:18px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--txt);
  text-decoration:none;
  cursor:pointer;
  box-shadow: var(--shadow2);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.14); background: rgba(255,255,255,.06); }
.btn.primary{
  border-color: rgba(106,169,255,.45);
  background: linear-gradient(135deg, rgba(106,169,255,.22), rgba(139,92,246,.12));
}
.btn.primary:hover{ border-color: rgba(106,169,255,.62); background: linear-gradient(135deg, rgba(106,169,255,.28), rgba(139,92,246,.16)); }

.subtle{
  margin-top:12px;
  color:var(--muted2);
  font-size:13px;
}
.subtle a{ color: rgba(234,242,255,.86); text-decoration:none; border-bottom:1px dashed rgba(255,255,255,.22); }
.subtle a:hover{ border-bottom-color: rgba(255,255,255,.35); }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-pad{ padding:18px; }

.section{
  padding: 28px 0;
}
.section h2{
  margin:0 0 10px;
  letter-spacing:-.2px;
}
.section .muted{
  color:var(--muted);
  line-height:1.6;
}

/* Feature grid */
.features{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:16px;
}
@media (max-width: 980px){
  .features{ grid-template-columns:1fr; }
}

.feature{
  position:relative;
  overflow:hidden;
  transition: transform .18s ease, border-color .18s ease;
}
.feature:hover{ transform: translateY(-2px); border-color: rgba(255,255,255,.14); }
.feature .icon{
  width:36px; height:36px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:12px;
}
.feature h3{ margin:0 0 6px; font-size:15px; }
.feature p{ color:var(--muted); font-size:14px; line-height:1.5; }
.feature:before{
  content:"";
  position:absolute;
  inset:-40% -40% auto auto;
  width:260px; height:260px;
  background: radial-gradient(circle at 30% 30%, rgba(106,169,255,.20), transparent 58%),
              radial-gradient(circle at 70% 70%, rgba(139,92,246,.16), transparent 58%);
  filter: blur(18px);
  opacity:.65;
  transform: translate(40px, -40px);
}

/* Product preview */
.preview{
  position:relative;
  overflow:hidden;
}
.preview:before{
  content:"";
  position:absolute; inset:-1px;
  background: radial-gradient(500px 240px at 30% 10%, rgba(106,169,255,.16), transparent 55%),
              radial-gradient(500px 280px at 80% 30%, rgba(139,92,246,.14), transparent 55%);
  pointer-events:none;
}
.preview-wrap{ position:relative; padding:18px; }

.tabs{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:12px;
}
.tab{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  padding:8px 10px;
  border-radius: 999px;
  cursor:pointer;
  font-size:13px;
  user-select:none;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.tab[aria-selected="true"]{
  color: var(--txt);
  border-color: rgba(106,169,255,.50);
  background: rgba(106,169,255,.12);
}

.dash{
  display:grid;
  grid-template-columns: 190px 1fr;
  gap:12px;
  align-items:stretch;
}
@media (max-width: 980px){
  .dash{ grid-template-columns: 1fr; }
}

.sidebar{
  padding:12px;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: rgba(0,0,0,.14);
}
.sideitem{
  padding:10px 10px;
  border-radius: 12px;
  color: var(--muted);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  border:1px solid transparent;
}
.sideitem.active{
  color: var(--txt);
  border-color: rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.badge{
  font-size:11px;
  color: rgba(234,242,255,.72);
  padding:3px 7px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}

.dash-main{
  border:1px solid var(--line);
  background: rgba(0,0,0,.12);
  border-radius: var(--radius2);
  padding:12px;
  overflow:hidden;
}

.dash-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  margin-bottom:10px;
}
.dash-title{
  font-weight:720;
  letter-spacing:-.2px;
}
.dash-sub{
  font-size:12px;
  color: var(--muted);
  margin-top:4px;
}
.signal{
  display:flex;
  gap:6px;
  align-items:center;
  font-size:12px;
  color: var(--muted);
}
.pulse{
  width:8px; height:8px; border-radius:50%;
  background: var(--good);
  box-shadow: 0 0 0 10px rgba(34,197,94,.10);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ transform: scale(1); box-shadow: 0 0 0 10px rgba(34,197,94,.10); }
  50%{ transform: scale(1.15); box-shadow: 0 0 0 16px rgba(34,197,94,.06); }
}

.widgets{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
@media (max-width: 980px){
  .widgets{ grid-template-columns:1fr; }
}

.widget{
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding:12px;
  min-height:118px;
  position:relative;
  overflow:hidden;
}
.widget h4{
  margin:0 0 6px;
  font-size:13px;
  color: rgba(234,242,255,.88);
}
.widget .small{
  color: var(--muted);
  font-size:12px;
  line-height:1.45;
}
.spark{
  position:absolute;
  right:10px; bottom:10px;
  width:120px; height:54px;
  opacity:.85;
}
.spark path{
  stroke: rgba(106,169,255,.9);
  stroke-width:2.2;
  fill:none;
}

.widget:after{
  content:"";
  position:absolute;
  inset:auto -40% -50% auto;
  width:240px; height:240px;
  background: radial-gradient(circle at 35% 35%, rgba(106,169,255,.16), transparent 60%);
  filter: blur(16px);
  opacity:.7;
}

.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:12px;
  color: rgba(234,242,255,.78);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.25);
  padding:6px 8px;
  border-radius: 10px;
  display:inline-block;
}

/* Accordion */
.accordion{ margin-top:12px; display:grid; gap:10px; }
.accordion details{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding:12px 12px;
}
.accordion summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-weight:650;
}
.accordion summary::-webkit-details-marker{ display:none; }
.accordion .chev{
  width:34px; height:34px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  display:flex; align-items:center; justify-content:center;
  color: rgba(234,242,255,.82);
  transition: transform .18s ease;
}
.accordion details[open] .chev{ transform: rotate(90deg); }
.accordion .body{
  margin-top:10px;
  color: var(--muted);
  line-height:1.55;
  font-size:14px;
}

/* Reveal */
[data-reveal]{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .55s ease, transform .55s ease;
}
.revealed{ opacity:1 !important; transform: translateY(0) !important; }

/* Footer */
.footer{
  margin-top: 26px;
  border-top:1px solid var(--line);
  padding:18px 0 22px;
  color: var(--muted);
  font-size:13px;
}
.footer a{ color: rgba(234,242,255,.84); text-decoration:none; }
.footer a:hover{ text-decoration:underline; }

.backtop{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:60;
  opacity:0;
  pointer-events:none;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}
.backtop.show{
  opacity:1;
  pointer-events:auto;
  transform: translateY(0);
}

/* Forms */
.form{
  display:grid;
  gap:12px;
}
label{ font-size:13px; color: var(--muted); }
input, textarea, select{
  width:100%;
  padding:11px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--txt);
  outline:none;
}
textarea{ min-height:150px; resize:vertical; }
input:focus, textarea:focus, select:focus{
  border-color: rgba(106,169,255,.45);
  box-shadow: 0 0 0 4px rgba(106,169,255,.10);
}
.note{ font-size:12px; color: var(--muted2); line-height:1.5; }
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
@media (max-width: 980px){
  .split{ grid-template-columns:1fr; }
}


/* Utilities */
.h1s{ margin:0 0 8px; font-size:28px; letter-spacing:-.3px; }
.grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:14px; margin-top:18px; }
@media (max-width: 980px){ .grid{ grid-template-columns:1fr; } }
.topbar-lite{ display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.price{ font-size:22px; margin:4px 0 0; letter-spacing:-.2px; }
ul{ padding-left:18px; }
li{ margin:8px 0; color: var(--muted); }


/* Hero slider (bright, professional) */
.hero.hero-slider{
  position:relative;
  overflow:hidden;
  padding-top: 86px;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-1;
}
.hero-slides{
  position:absolute;
  inset:0;
}
.hero-slide{
  position:absolute;
  inset:-10px;
  background-size:cover;
  background-position:center;
  opacity:0;
  transform: scale(1.02);
  transition: opacity 900ms ease, transform 1600ms ease;
  filter: saturate(1.05) contrast(1.02);
}
.hero-slide.is-active{
  opacity:1;
  transform: scale(1.06);
}
.hero-bg-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(1200px 500px at 18% 20%, rgba(37,99,235,.22), rgba(255,255,255,0) 60%),
    radial-gradient(900px 450px at 65% 22%, rgba(124,58,237,.18), rgba(255,255,255,0) 62%),
    linear-gradient(90deg, rgba(246,248,252,.96) 0%, rgba(246,248,252,.90) 40%, rgba(246,248,252,.70) 62%, rgba(246,248,252,.22) 85%, rgba(246,248,252,0) 100%);
  backdrop-filter: blur(2px);
}
.hero-controls{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:flex-start;
  padding: 14px 0 0;
}
.hero-dot{
  width: 44px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.65);
  box-shadow: var(--shadow2);
  cursor:pointer;
  transition: transform 180ms ease, background 180ms ease, width 240ms ease;
}
.hero-dot:hover{ transform: translateY(-1px); }
.hero-dot.is-active{
  width: 66px;
  background: linear-gradient(90deg, rgba(37,99,235,.95), rgba(124,58,237,.9));
  border-color: rgba(37,99,235,.28);
}
@media (max-width: 720px){
  .hero-controls{ justify-content:center; }
  .hero-bg-overlay{
    background:
      radial-gradient(800px 420px at 50% 0%, rgba(37,99,235,.18), rgba(255,255,255,0) 55%),
      linear-gradient(180deg, rgba(246,248,252,.94) 0%, rgba(246,248,252,.86) 50%, rgba(246,248,252,.40) 100%);
  }
}


/* Bright overrides */
.topbar{
  background: rgba(246,248,252,.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.pill{
  background: rgba(255,255,255,.72);
}
.card{
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
}
.preview{
  background: rgba(255,255,255,.82);
}
.btn{
  background: rgba(255,255,255,.78);
}
.btn.primary{
  color: white;
}
.footer{
  background: linear-gradient(180deg, rgba(246,248,252,0) 0%, rgba(238,243,251,1) 42%, rgba(238,243,251,1) 100%);
}