:root{
  --bg:#090b10;
  --bg-accent:#14192a;
  --surface:rgba(17,20,30,0.72);
  --surface-strong:rgba(20,24,34,0.9);
  --surface-soft:rgba(255,255,255,0.03);
  --text:#f3f1f8;
  --text-soft:#d6d2de;
  --muted:#b5b0c0;
  --line:rgba(255,255,255,0.09);
  --line-strong:rgba(255,255,255,0.14);
  --accent:#7c5cff;
  --accent-soft:rgba(124,92,255,0.16);
  --shadow:0 24px 60px rgba(0,0,0,0.26);
  --shadow-soft:0 10px 30px rgba(0,0,0,0.14);
  --radius:24px;
  --radius-sm:18px;
  --max-width:1120px;
  --measure:68ch;
  --font-body:"Avenir Next","Segoe UI","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-display:"Iowan Old Style","Palatino Linotype","URW Palladio L","Songti SC","Noto Serif SC",serif;
}

*{box-sizing:border-box}

html{
  background:
    radial-gradient(circle at top left, rgba(124,92,255,0.18), transparent 35%),
    radial-gradient(circle at top right, rgba(124,92,255,0.09), transparent 28%),
    linear-gradient(180deg, #0b0d14 0%, #090b10 100%);
  color-scheme:dark;
}

body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  background:transparent;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{
  color:inherit;
  text-decoration:none;
  transition:color .18s ease, border-color .18s ease, background-color .18s ease, transform .18s ease;
}

a:hover{
  color:var(--text);
}

button,
input,
textarea,
select{
  font:inherit;
}

::selection{
  background:rgba(124,92,255,0.35);
}

.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:42px 24px 96px;
}

.header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(18px);
  background:rgba(9,11,16,0.76);
  border-bottom:1px solid var(--line);
  display:grid;
  grid-template-columns:auto minmax(0, 1fr);
  align-items:center;
  padding:18px 24px;
  gap:16px 24px;
}

.brand{
  font-family:var(--font-display);
  font-size:1.12rem;
  font-weight:700;
  letter-spacing:0.02em;
}

.header-controls{
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:18px;
  flex-wrap:wrap;
}

.nav{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
}

.nav-primary{
  justify-content:flex-end;
}

.nav-actions{
  gap:12px;
}

.nav a{
  color:var(--text-soft);
  font-size:0.96rem;
}

.nav a:hover{
  color:var(--text);
}

.nav .cta{
  padding:11px 16px;
}

.cta,
.button-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 18px;
  border-radius:999px;
  border:1px solid transparent;
  background:linear-gradient(135deg, #7c5cff 0%, #6f56f5 100%);
  color:#fff !important;
  font-weight:700;
  letter-spacing:0.01em;
  box-shadow:0 14px 35px rgba(124,92,255,0.22);
}

.cta:hover,
.button-primary:hover{
  transform:translateY(-1px);
}

.ghost-btn,
.button-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 18px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,0.02);
  color:var(--text) !important;
  font-weight:600;
}

.ghost-btn:hover,
.button-secondary:hover{
  border-color:rgba(124,92,255,0.36);
  background:rgba(124,92,255,0.08);
}

.hero,
.hero-block{
  padding:36px 0 12px;
}

.hero-shell{
  display:grid;
  gap:22px;
}

.hero-panel{
  align-self:end;
}

.eyebrow{
  margin:0 0 14px;
  color:#d5c9ff;
  font-size:0.78rem;
  font-weight:700;
  letter-spacing:0.16em;
  text-transform:uppercase;
}

.h1,
.hero-title{
  margin:0;
  max-width:13ch;
  font-family:var(--font-display);
  font-size:clamp(2.9rem, 6vw, 4.9rem);
  line-height:0.98;
  letter-spacing:-0.03em;
  text-wrap:balance;
}

.section-title{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(2rem, 4vw, 3rem);
  line-height:1.05;
  letter-spacing:-0.03em;
}

.p,
.hero-copy,
.section-copy{
  margin:0;
  max-width:var(--measure);
  color:var(--text-soft);
  font-size:1.05rem;
  line-height:1.82;
}

.hero-copy{
  margin-top:18px;
  max-width:60ch;
  font-size:1.12rem;
}

.p + .p,
.section-copy + .section-copy{
  margin-top:16px;
}

.small,
.meta{
  margin:0;
  color:var(--muted);
  font-size:0.96rem;
  line-height:1.7;
}

.kicker{
  margin:0 0 12px;
  color:var(--text);
  font-family:var(--font-display);
  font-size:1.35rem;
  line-height:1.2;
}

.section{
  margin-top:72px;
}

.section-head{
  display:grid;
  gap:14px;
  margin-bottom:22px;
}

.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:24px;
}

.stack-sm{
  display:grid;
  gap:12px;
}

.grid{
  display:grid;
  gap:20px;
  grid-template-columns:repeat(12, 1fr);
  margin-top:20px;
}

.card{
  grid-column:span 12;
  display:block;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)),
    var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(18px);
}

.surface-soft{
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
    var(--surface-soft);
}

a.card:hover{
  transform:translateY(-2px);
  border-color:rgba(124,92,255,0.24);
  box-shadow:var(--shadow);
}

.card-title{
  margin:0;
  color:var(--text);
  font-family:var(--font-display);
  font-size:1.5rem;
  line-height:1.16;
}

.card-copy{
  margin:14px 0 0;
  color:var(--text-soft);
  font-size:1rem;
  line-height:1.76;
}

.callout{
  display:grid;
  gap:16px;
  padding:30px;
}

.prose{
  max-width:var(--measure);
}

.prose h2,
.prose h3{
  margin:1.7em 0 0.65em;
  font-family:var(--font-display);
  line-height:1.14;
}

.prose p,
.prose li{
  color:var(--text-soft);
  font-size:1.02rem;
  line-height:1.82;
}

.prose ul,
.prose ol{
  padding-left:1.2rem;
}

.prose strong{
  color:var(--text);
}

.faq-list{
  display:grid;
  gap:16px;
}

.faq-item{
  padding:22px 24px;
}

.faq-question{
  margin:0 0 10px;
  color:var(--text);
  font-size:1.08rem;
  font-weight:700;
  line-height:1.45;
}

.link-list{
  display:grid;
  gap:10px;
}

.link-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}

.link-row span{
  color:var(--muted);
}

.footer{
  border-top:1px solid var(--line);
  padding:22px 24px 30px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  color:var(--muted);
}

.footer-meta{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  align-items:center;
}

.footer-links{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.footer strong{
  color:var(--text);
}

.hr{
  height:1px;
  background:var(--line);
  margin:22px 0;
}

@media (min-width: 860px){
  .hero-shell{
    grid-template-columns:minmax(0, 1.45fr) minmax(280px, 0.75fr);
  }

  .card.half{
    grid-column:span 6;
  }

  .card.third{
    grid-column:span 4;
  }
}

@media (max-width: 860px){
  .container{
    padding:32px 18px 72px;
  }

  .header{
    grid-template-columns:1fr;
    align-items:flex-start;
    padding:16px 18px;
  }

  .header-controls{
    width:100%;
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }

  .nav{
    width:100%;
    gap:10px;
  }

  .nav-primary{
    justify-content:flex-start;
  }

  .nav-actions{
    align-items:center;
  }

  .nav .cta{
    min-height:44px;
    padding:10px 16px;
  }

  .hero,
  .hero-block{
    padding-top:28px;
  }

  .h1,
  .hero-title{
    max-width:10.5ch;
    font-size:clamp(2.55rem, 12vw, 4.1rem);
    line-height:0.94;
  }

  .section-title{
    font-size:clamp(1.85rem, 8vw, 2.6rem);
    line-height:1;
  }

  .hero-copy,
  .section-copy,
  .p{
    max-width:38ch;
    font-size:1rem;
    line-height:1.72;
  }

  .card-title{
    font-size:1.34rem;
  }

  .card-copy{
    font-size:0.98rem;
    line-height:1.68;
  }

  .section{
    margin-top:60px;
  }

  .grid{
    gap:16px;
  }

  .card{
    padding:20px;
  }
}

@media (max-width: 560px){
  .container{
    padding:26px 16px 64px;
  }

  .brand{
    font-size:1.02rem;
  }

  .nav{
    row-gap:12px;
  }

  .nav a{
    font-size:0.94rem;
  }

  .nav-actions{
    gap:10px 12px;
  }

  .h1,
  .hero-title{
    max-width:9.25ch;
    font-size:clamp(2.25rem, 11.6vw, 3.45rem);
    line-height:0.95;
  }

  .hero-copy,
  .section-copy,
  .p,
  .small{
    max-width:none;
  }

  .hero-panel{
    margin-top:4px;
  }

  .cta-row{
    gap:10px;
  }

  .cta,
  .ghost-btn,
  .button-primary,
  .button-secondary{
    min-height:44px;
    padding:11px 16px;
  }
}