:root{
  --bg:#0F172A;
  --panel:#111827;
  --card:#1F2937;
  --text:#E5E7EB;
  --head:#F3F4F6;
  --muted:#9CA3AF;
  --line:#2D3748;

  --blue:#2563EB;
  --amber:#F59E0B;
  --green:#22C55E;

  --shadow: 0 18px 45px rgba(0,0,0,.35);
  --shadow2: 0 10px 25px rgba(0,0,0,.28);
  --r: 18px;
  --r2: 22px;

  --max: 1140px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.container{
  width:min(var(--max), calc(100% - 44px));
  margin:0 auto;
}

/* Background */
.bg{
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(1200px 700px at 15% 20%, rgba(37,99,235,.22), transparent 55%),
    radial-gradient(1000px 600px at 85% 15%, rgba(245,158,11,.16), transparent 55%),
    radial-gradient(900px 700px at 60% 90%, rgba(34,197,94,.10), transparent 60%),
    linear-gradient(180deg, #0b1220, #0F172A 45%, #0b1220);
}
.bg__grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 30%, rgba(0,0,0,.9), transparent 62%);
  opacity:.55;
}
.bg__glow{ position:absolute; width:520px; height:520px; filter: blur(70px); opacity:.35; border-radius:50%; }
.bg__glow--blue{ left:-120px; top:120px; background: rgba(37,99,235,.75); }
.bg__glow--amber{ right:-160px; top:80px; background: rgba(245,158,11,.65); }

/* Topbar */
.topbar{
  position:sticky; top:0; z-index:20;
  backdrop-filter: blur(10px);
  background: rgba(15,23,42,.72);
  border-bottom:1px solid rgba(45,55,72,.7);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap:18px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  min-width: 220px;
}
.brand__logo{
  width:28px; height:28px;
  border-radius: 8px;
  background: rgba(255,255,255,.05);
}
.brand__name{ font-weight:800; color: var(--head); letter-spacing:.2px; }
.brand__badge{
  margin-left:8px;
  font-size:12px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(37,99,235,.16);
  border: 1px solid rgba(37,99,235,.35);
  color: var(--head);
}

.nav{
  display:flex; gap:16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(17,24,39,.55);
  border: 1px solid rgba(45,55,72,.7);
}
.nav a{
  font-size: 14px;
  color: rgba(229,231,235,.92);
  padding: 6px 10px;
  border-radius: 999px;
}
.nav a:hover{ background: rgba(255,255,255,.06); }

.topbar__actions{ display:flex; align-items:center; gap:10px; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(45,55,72,.9);
  background: rgba(17,24,39,.55);
  color: var(--head);
  font-weight: 700;
  font-size: 14px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); background: rgba(31,41,55,.7); border-color: rgba(107,114,128,.8); }
.btn--primary{
  background: rgba(37,99,235,.92);
  border-color: rgba(37,99,235,.75);
}
.btn--primary:hover{ background: rgba(37,99,235,1); border-color: rgba(37,99,235,1); }
.btn--ghost{ background: rgba(17,24,39,.32); }
.btn--lg{ padding: 12px 16px; border-radius: 14px; font-size: 15px; }

.burger{
  display:none;
  width:44px; height:44px;
  border-radius: 12px;
  background: rgba(17,24,39,.55);
  border: 1px solid rgba(45,55,72,.9);
  cursor:pointer;
  padding: 10px;
}
.burger span{
  display:block; height:2px; width:100%;
  background: rgba(243,244,246,.9);
  border-radius: 2px;
}
.burger span+span{ margin-top:6px; }

.mobile-nav{
  display:none;
  padding: 12px 0 18px;
  border-top:1px solid rgba(45,55,72,.6);
}
.mobile-nav a{
  display:block;
  padding: 12px 0;
  color: rgba(229,231,235,.92);
}
.mobile-nav .btn{ width:100%; margin-top:10px; }

/* Hero */
.hero{ padding: 46px 0 26px; }
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 26px;
  align-items: start;
}
.eyebrow{
  display:inline-flex;
  gap:10px;
  align-items:center;
  font-size: 13px;
  color: rgba(229,231,235,.85);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(17,24,39,.55);
  border: 1px solid rgba(45,55,72,.7);
}
.h1{
  margin: 14px 0 12px;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.6px;
  color: var(--head);
}
.accent{
  background: linear-gradient(90deg, rgba(37,99,235,1), rgba(245,158,11,.95));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  margin: 0 0 14px;
  font-size: 16px;
  color: rgba(229,231,235,.86);
  max-width: 62ch;
}
.bullets{
  margin: 0;
  padding: 0;
  list-style: none;
  display:grid;
  gap: 10px;
}
.bullets li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 10px 12px;
  border-radius: var(--r);
  background: rgba(17,24,39,.55);
  border: 1px solid rgba(45,55,72,.65);
}
.dot{ width:10px; height:10px; border-radius:50%; margin-top:6px; flex:0 0 auto; }
.dot--blue{ background: var(--blue); box-shadow: 0 0 0 4px rgba(37,99,235,.18); }
.dot--amber{ background: var(--amber); box-shadow: 0 0 0 4px rgba(245,158,11,.16); }
.dot--green{ background: var(--green); box-shadow: 0 0 0 4px rgba(34,197,94,.14); }

.bundle{
  margin-top: 14px;
  display:flex; gap: 10px;
  align-items:center;
  padding: 12px 14px;
  border-radius: var(--r2);
  background: rgba(34,197,94,.10);
  border: 1px solid rgba(34,197,94,.22);
}
.bundle__icon{
  width: 30px; height: 30px;
  border-radius: 10px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(34,197,94,.18);
  border: 1px solid rgba(34,197,94,.25);
  color: var(--head);
  font-weight: 900;
}
.bundle__text{ color: rgba(243,244,246,.95); }

.hero__cta{ display:flex; gap: 10px; margin-top: 14px; flex-wrap:wrap; }

.note{
  margin-top: 12px;
  font-size: 13px;
  color: rgba(156,163,175,.92);
}
.note--inline{ margin-top: 14px; }

/* UI Preview */
.preview{
  border-radius: 24px;
  border: 1px solid rgba(45,55,72,.75);
  background: rgba(17,24,39,.62);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.preview__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(45,55,72,.65);
  background: rgba(17,24,39,.85);
}
.preview__title{
  font-weight: 900;
  color: var(--head);
  font-size: 13px;
  letter-spacing:.2px;
}
.preview__tabs{ display:flex; gap:8px; flex-wrap:wrap; }

.tab{
  cursor:pointer;
  font-size: 12px;
  font-weight: 900;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(17,24,39,.32);
  border: 1px solid rgba(45,55,72,.8);
  color: rgba(243,244,246,.92);
}
.tab:hover{ background: rgba(31,41,55,.65); }
.tab.is-active{
  background: rgba(37,99,235,.18);
  border-color: rgba(37,99,235,.45);
}

.preview__shot{ background: rgba(17,24,39,.35); }
.preview__shot img{
  width:100%;
  height: 420px;
  object-fit: cover;
  display:block;
}
.preview__cap{
  padding: 10px 12px;
  font-size: 12px;
  color: rgba(156,163,175,.95);
  border-top: 1px solid rgba(45,55,72,.55);
  background: rgba(17,24,39,.55);
}

.preview__chips{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  padding: 12px 14px;
  border-top: 1px solid rgba(45,55,72,.65);
  background: rgba(17,24,39,.78);
}
.chip{
  font-size: 12px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(31,41,55,.52);
  border: 1px solid rgba(45,55,72,.7);
  color: rgba(229,231,235,.90);
}

/* Sections */
.section{ padding: 54px 0; }
.section--tight{ padding: 34px 0 56px; }

.section__head{ margin-bottom: 18px; }
.h2{
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  color: var(--head);
  letter-spacing: -0.3px;
}
.h3{ margin: 0 0 10px; color: var(--head); font-size: 17px; }
.sub{ margin: 0; color: rgba(156,163,175,.95); max-width: 74ch; }

.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature{
  border-radius: 22px;
  border: 1px solid rgba(45,55,72,.75);
  background: rgba(17,24,39,.56);
  box-shadow: var(--shadow2);
  padding: 16px;
  position:relative;
  overflow:hidden;
}
.feature::before{
  content:"";
  position:absolute; inset:-1px;
  background:
    radial-gradient(600px 240px at 30% 0%, rgba(37,99,235,.16), transparent 55%),
    radial-gradient(520px 240px at 100% 10%, rgba(245,158,11,.10), transparent 60%);
  pointer-events:none;
}
.feature > *{ position:relative; }

.feature__icon{
  width: 40px; height: 40px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-weight: 900;
  margin-bottom: 10px;
  border: 1px solid rgba(255,255,255,.10);
}
.feature__icon--blue{ background: rgba(37,99,235,.16); border-color: rgba(37,99,235,.32); }
.feature__icon--amber{ background: rgba(245,158,11,.14); border-color: rgba(245,158,11,.28); }
.feature__icon--green{ background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.22); }

.list{ margin:0; padding-left: 18px; color: rgba(229,231,235,.88); }
.list li{ margin: 8px 0; }

.callout{
  margin-top: 12px;
  padding: 12px 12px;
  border-radius: 16px;
  background: rgba(37,99,235,.10);
  border: 1px solid rgba(37,99,235,.25);
  color: rgba(229,231,235,.92);
}

.strip{
  margin-top: 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 14px 14px;
  border-radius: 22px;
  border: 1px solid rgba(45,55,72,.75);
  background: rgba(17,24,39,.60);
  box-shadow: var(--shadow2);
}
.strip__title{ font-weight: 900; color: rgba(243,244,246,.95); }
.strip__text{ color: rgba(156,163,175,.95); margin-top: 4px; font-size: 13px; }
.strip__left{ max-width: 78ch; }

/* How */
.how{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 14px;
  align-items:start;
}
.steps{ margin-top: 16px; display:grid; gap: 10px; }
.step{
  display:flex; gap: 12px;
  padding: 12px 12px;
  border-radius: 18px;
  background: rgba(17,24,39,.55);
  border: 1px solid rgba(45,55,72,.65);
}
.step__num{
  width: 34px; height: 34px;
  border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(37,99,235,.16);
  border: 1px solid rgba(37,99,235,.32);
  font-weight: 900;
  color: rgba(243,244,246,.95);
  flex: 0 0 auto;
}
.step__title{ font-weight: 900; color: rgba(243,244,246,.95); }
.step__text{ color: rgba(156,163,175,.95); font-size: 14px; margin-top: 2px; }
.how__cta{ display:flex; gap: 10px; margin-top: 14px; flex-wrap:wrap; }

.panel{
  border-radius: 22px;
  border: 1px solid rgba(45,55,72,.75);
  background: rgba(17,24,39,.56);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.panel__head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(45,55,72,.65);
  background: rgba(17,24,39,.80);
}
.panel__title{ font-weight: 900; color: rgba(243,244,246,.95); }
.panel__chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.28);
  color: rgba(243,244,246,.95);
}
.panel__body{ padding: 14px; }

.mini{
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(45,55,72,.65);
  background: rgba(31,41,55,.52);
  margin-bottom: 10px;
}
.mini__k{ color: rgba(156,163,175,.95); font-size: 12px; }
.mini__v{ color: rgba(229,231,235,.92); font-weight: 800; margin-top: 2px; }

.divider{ height:1px; background: rgba(45,55,72,.8); margin: 12px 0; }

.ctaBox{
  display:flex;
  gap: 12px;
  align-items:center;
  justify-content:space-between;
  padding: 12px 12px;
  border-radius: 18px;
  border: 1px solid rgba(37,99,235,.35);
  background: rgba(37,99,235,.10);
}
.ctaBox__title{ font-weight: 900; color: rgba(243,244,246,.95); }
.ctaBox__text{ color: rgba(156,163,175,.95); font-size: 13px; margin-top: 2px; }

.micro{
  margin-top: 12px;
  padding: 14px 14px;
  border-radius: 22px;
  border: 1px solid rgba(45,55,72,.75);
  background: rgba(17,24,39,.56);
  box-shadow: var(--shadow2);
}
.micro__title{ font-weight: 900; color: rgba(243,244,246,.95); }
.micro__text{ color: rgba(156,163,175,.95); margin-top: 6px; font-size: 13px; }

/* FAQ */
.faq{
  display:grid;
  gap: 10px;
  max-width: 920px;
}
.faq__item{
  border-radius: 18px;
  border: 1px solid rgba(45,55,72,.75);
  background: rgba(17,24,39,.56);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.faq__item summary{
  cursor:pointer;
  padding: 14px 14px;
  font-weight: 900;
  color: rgba(243,244,246,.95);
  list-style:none;
}
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item summary::after{
  content:"+";
  float:right;
  color: rgba(156,163,175,.95);
  font-weight: 900;
}
.faq__item[open] summary::after{ content:"–"; }
.faq__content{
  padding: 0 14px 14px;
  color: rgba(229,231,235,.90);
  border-top: 1px solid rgba(45,55,72,.55);
}

/* Footer */
.footer{
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(45,55,72,.6);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
}
.footer__brand{ font-weight: 900; color: rgba(243,244,246,.95); }
.footer__muted{ color: rgba(156,163,175,.95); font-size: 13px; }
.footer__right{ color: rgba(156,163,175,.95); font-size: 13px; }
.footer__right a:hover{ color: rgba(243,244,246,.95); }
.sep{ margin: 0 8px; opacity:.75; }

/* Responsive */
@media (max-width: 980px){
  .hero__grid, .how{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .burger{ display:inline-flex; flex-direction:column; justify-content:center; }
  .grid3{ grid-template-columns: 1fr; }
  .preview__shot img{ height: 320px; }
}
@media (max-width: 520px){
  .container{ width: min(var(--max), calc(100% - 26px)); }
  .topbar__actions .btn--ghost{ display:none; }
  .brand__badge{ display:none; }
  .preview__shot img{ height: 240px; }
  .strip{ flex-direction:column; align-items:flex-start; }
}