:root{
  --void:#000121;
  --panel:#03052b;
  --panel-line:#161c4a;
  --blue:#708CFF;
  --red:#FF0000;
  --white:#FFFFFF;
  --text-hi:#f4f4fb;
  --text-mid:#a7acd6;
  --text-low:#666d9e;
  --grad-brand: linear-gradient(100deg, #708CFF 0%, #FF0000 52%, #FFFFFF 100%);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--void);
  color:var(--text-hi);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.brand,.pillar-num{font-family:'Space Grotesk',sans-serif;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
section{position:relative;}
::selection{background:var(--red);color:#fff;}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:22px 0;
  transition:background .35s ease, backdrop-filter .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
header.scrolled{
  background:rgba(0,1,33,.86);
  backdrop-filter:blur(14px);
  padding:14px 0;
  border-bottom:1px solid var(--panel-line);
}
nav.wrap{display:flex;align-items:center;gap:32px;flex-wrap:nowrap;}
.brand-mark{display:flex;align-items:center;gap:12px;margin-right:12px;flex-shrink:0;}
.brand-glyph{
  width:34px;height:34px;border-radius:50%;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;color:#000121;flex-shrink:0;
}
.brand{font-size:19px;font-weight:600;letter-spacing:.2px;white-space:nowrap;}
.brand span{color:var(--text-mid);font-weight:500;}
.nav-links{display:flex;align-items:center;gap:22px;font-size:13.5px;color:var(--text-mid);flex:1;flex-wrap:wrap;}
.nav-links a{position:relative;padding:4px 0;transition:color .2s;white-space:nowrap;}
.nav-links a:hover{color:var(--text-hi);}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:1.5px;
  background:var(--grad-brand);transition:width .25s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:16px;font-size:14px;flex-shrink:0;}
.login-link{color:var(--text-mid);transition:color .2s;white-space:nowrap;}
.login-link:hover{color:var(--text-hi);}
.avatar{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,#708CFF,#FF0000);
  border:1.5px solid rgba(255,255,255,.25);
  flex-shrink:0;
}

/* ---------- HERO ---------- */
.hero{
  padding:190px 0 120px;
  text-align:center;
  background:
    radial-gradient(ellipse 55% 32% at 50% 66%, rgba(255,0,0,.38), transparent 65%),
    radial-gradient(ellipse 70% 48% at 50% 26%, rgba(112,140,255,.45), transparent 68%),
    radial-gradient(ellipse 90% 70% at 50% 0%, rgba(3,5,40,.9), var(--void) 70%);
}
.eyebrow{
  color:var(--text-mid);
  font-size:16px;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(64px, 13vw, 168px);
  line-height:.95;
  font-weight:700;
  letter-spacing:2px;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 45px rgba(112,140,255,.35));
}
.search-pill{
  margin:44px auto 0;
  max-width:520px;
  display:flex;align-items:center;
  background:#fff;
  border-radius:999px;
  padding:6px 6px 6px 24px;
  box-shadow:0 20px 55px rgba(255,0,0,.25);
}
.search-pill input{
  flex:1;border:0;outline:0;background:transparent;
  font-family:'Inter',sans-serif;font-size:15px;color:#2a2733;
}
.search-pill input::placeholder{color:#9992ab;}
.search-btn{
  width:38px;height:38px;border-radius:50%;border:0;flex-shrink:0;
  background:var(--red);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:transform .2s, background .2s;
}
.search-btn:hover{transform:scale(1.06);background:#e00000;}
.search-btn svg{width:16px;height:16px;}

/* ---------- SECTION HEADS ---------- */
.section-head{margin-bottom:56px;}
.section-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;font-weight:600;
}
.section-head h2{font-size:clamp(30px,4vw,44px);font-weight:600;line-height:1.15;max-width:640px;}
.section-head p{margin-top:16px;color:var(--text-mid);font-size:16.5px;max-width:560px;line-height:1.65;}

/* ---------- ABOUT ---------- */
.about{padding:110px 0;border-top:1px solid var(--panel-line);}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start;}
.about-statement{font-size:clamp(24px,3vw,34px);font-weight:600;line-height:1.4;}
.about-statement em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.about-sub{margin-top:22px;color:var(--text-mid);font-size:16px;line-height:1.7;max-width:480px;}

.pillars{display:flex;flex-direction:column;gap:18px;}
.pillar{border:1px solid var(--panel-line);border-radius:16px;padding:26px 28px;background:var(--panel);transition:border-color .25s;}
.pillar:hover{border-color:rgba(112,140,255,.4);}
.pillar-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;}
.pillar h4{font-size:17px;font-weight:600;}
.pillar-status{font-size:11px;letter-spacing:.5px;text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid var(--panel-line);color:var(--text-low);}
.pillar-status.on{color:#5be0c3;border-color:rgba(91,224,195,.35);}
.pillar p{font-size:14.5px;color:var(--text-mid);line-height:1.6;}

/* ---------- CUSTOMIZATION ---------- */
.customize{padding:120px 0;border-top:1px solid var(--panel-line);background:linear-gradient(180deg, transparent, rgba(112,140,255,.05), transparent);}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:60px;}
.compare-card{border-radius:18px;padding:36px;border:1px solid var(--panel-line);}
.compare-card.dim{background:transparent;opacity:.6;}
.compare-card.hi{
  background:linear-gradient(160deg, rgba(112,140,255,.14), rgba(255,0,0,.06));
  border:1px solid rgba(112,140,255,.4);
  box-shadow:0 30px 60px rgba(112,140,255,.16);
}
.compare-label{font-size:12.5px;letter-spacing:1px;text-transform:uppercase;color:var(--text-low);margin-bottom:20px;}
.compare-card.hi .compare-label{color:var(--red);}
.compare-card h4{font-size:20px;font-weight:600;margin-bottom:22px;}
.compare-list li{display:flex;gap:12px;font-size:15px;color:var(--text-mid);padding:10px 0;border-top:1px solid var(--panel-line);}
.compare-list li:first-child{border-top:0;}
.compare-card.hi .compare-list li{color:var(--text-hi);}
.tick{width:18px;height:18px;flex-shrink:0;margin-top:2px;}

.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.feature-card{border:1px solid var(--panel-line);border-radius:16px;padding:24px;background:var(--panel);}
.feature-card .ficon{
  width:36px;height:36px;border-radius:10px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg, rgba(112,140,255,.18), rgba(255,0,0,.1));
  border:1px solid var(--panel-line);
}
.feature-card .ficon svg{width:18px;height:18px;}
.feature-card h5{font-size:15px;font-weight:600;margin-bottom:8px;}
.feature-card p{font-size:13.5px;color:var(--text-mid);line-height:1.6;}

/* ---------- SHICHI 21 ---------- */
.s21{padding:130px 0;border-top:1px solid var(--panel-line);position:relative;overflow:hidden;}
.s21::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 60% at 15% 20%, rgba(255,0,0,.14), transparent 60%),
             radial-gradient(ellipse 60% 60% at 85% 80%, rgba(112,140,255,.16), transparent 60%);
  pointer-events:none;
}
.s21-inner{position:relative;border:1px solid rgba(112,140,255,.35);border-radius:26px;padding:64px;background:linear-gradient(160deg, rgba(112,140,255,.08), rgba(255,0,0,.04));box-shadow:0 40px 90px rgba(0,0,0,.4);}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:600;
  padding:7px 14px;border-radius:999px;border:1px solid rgba(255,0,0,.4);
  color:#ff6a6a;margin-bottom:22px;
}
.badge-pill .dot{width:6px;height:6px;border-radius:50%;background:#ff3b3b;box-shadow:0 0 8px #ff3b3b;}
.s21-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.s21-copy h2{font-size:clamp(30px,3.8vw,42px);font-weight:600;line-height:1.2;margin-bottom:18px;}
.s21-copy h2 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.s21-copy > p{font-size:16px;color:var(--text-mid);line-height:1.7;margin-bottom:32px;max-width:520px;}
.s21-feats{display:flex;flex-direction:column;gap:16px;margin-bottom:34px;}
.s21-feats li{display:flex;gap:12px;font-size:14.5px;color:var(--text-hi);}
.s21-feats svg{width:18px;height:18px;flex-shrink:0;margin-top:2px;color:var(--blue);}
.s21-cta{
  display:inline-block;padding:15px 30px;border-radius:999px;
  background:var(--grad-brand);color:#000121;font-weight:600;font-size:14.5px;
  transition:transform .2s;
}
.s21-cta:hover{transform:scale(1.04);}
.s21-note{margin-top:14px;font-size:12.5px;color:var(--text-low);}

.s21-flow{display:flex;flex-direction:column;align-items:center;gap:10px;}
.s21-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;}
.s21-chip{
  border:1px solid var(--panel-line);background:rgba(255,255,255,.03);
  border-radius:12px;padding:10px 16px;font-size:12.5px;color:var(--text-mid);
  display:flex;flex-direction:column;gap:2px;min-width:118px;text-align:center;
}
.s21-chip strong{font-size:13.5px;color:var(--text-hi);font-weight:600;}
.s21-arrow{color:var(--text-low);width:18px;height:18px;}
.s21-hub{
  border:1px solid rgba(112,140,255,.5);border-radius:16px;padding:18px 28px;
  background:linear-gradient(135deg, rgba(112,140,255,.18), rgba(255,0,0,.1));
  text-align:center;box-shadow:0 20px 50px rgba(112,140,255,.2);
}
.s21-hub strong{font-family:'Space Grotesk',sans-serif;font-size:17px;display:block;margin-bottom:4px;}
.s21-hub span{font-size:12px;color:var(--text-mid);}
.s21-out{
  border:1px solid rgba(255,0,0,.35);border-radius:12px;padding:10px 20px;
  font-size:12.5px;color:var(--text-hi);background:rgba(255,0,0,.06);
}

/* ---------- MARKETPLACE ---------- */
.marketplace{padding:120px 0;border-top:1px solid var(--panel-line);}
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.listing{
  border:1px solid var(--panel-line);border-radius:18px;overflow:hidden;background:var(--panel);
  transition:transform .25s ease, border-color .25s ease;
}
.listing:hover{transform:translateY(-6px);border-color:rgba(112,140,255,.4);}
.listing-thumb{height:130px;position:relative;}
.listing-thumb.g1{background:radial-gradient(circle at 30% 30%, #708CFF, #0a0e3a 70%);}
.listing-thumb.g2{background:radial-gradient(circle at 70% 30%, #FF0000, #2a0505 70%);}
.listing-thumb.g3{background:radial-gradient(circle at 50% 70%, #FFFFFF, #14163a 70%);}
.listing-body{padding:22px;}
.listing-body h4{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.listing-body .by{font-size:13px;color:var(--text-low);margin-bottom:16px;}
.listing-meta{display:flex;justify-content:space-between;align-items:center;font-size:13.5px;color:var(--text-mid);padding-top:16px;border-top:1px solid var(--panel-line);}
.listing-price{color:var(--blue);font-weight:600;}

/* ---------- PRICING ---------- */
.pricing{padding:120px 0;border-top:1px solid var(--panel-line);}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.price-card{border:1px solid var(--panel-line);border-radius:18px;padding:34px;display:flex;flex-direction:column;}
.price-card.feat{
  background:linear-gradient(160deg, rgba(112,140,255,.16), rgba(255,0,0,.06));
  border:1px solid rgba(112,140,255,.4);
  box-shadow:0 30px 60px rgba(112,140,255,.18);
  transform:translateY(-8px);
}
.price-tier{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--text-low);margin-bottom:14px;}
.price-card.feat .price-tier{color:var(--red);}
.price-amt{font-size:38px;font-weight:700;font-family:'Space Grotesk',sans-serif;margin-bottom:6px;}
.price-amt span{font-size:15px;color:var(--text-mid);font-weight:400;}
.price-desc{font-size:14px;color:var(--text-mid);margin-bottom:26px;line-height:1.6;}
.price-feats{margin-bottom:30px;flex:1;}
.price-feats li{display:flex;gap:10px;font-size:14.5px;color:var(--text-mid);padding:8px 0;}
.price-card.feat .price-feats li{color:var(--text-hi);}
.price-cta{
  text-align:center;padding:13px;border-radius:10px;font-size:14.5px;font-weight:600;
  border:1px solid var(--panel-line);color:var(--text-hi);transition:all .2s;
}
.price-cta:hover{border-color:var(--text-hi);}
.price-card.feat .price-cta{background:var(--grad-brand);color:#000121;border:0;}
.price-card.feat .price-cta:hover{filter:brightness(1.08);}
.pricing-note{
  margin-top:34px;text-align:center;font-size:14.5px;color:var(--text-mid);
  border:1px dashed var(--panel-line);border-radius:14px;padding:18px;
}
.pricing-note a{color:var(--blue);font-weight:600;border-bottom:1px solid rgba(112,140,255,.4);}

/* ---------- CTA + FOOTER ---------- */
.cta{padding:100px 0;text-align:center;border-top:1px solid var(--panel-line);}
.cta h2{font-size:clamp(28px,4vw,42px);font-weight:600;margin-bottom:20px;}
.cta p{color:var(--text-mid);font-size:16px;margin-bottom:34px;}
.cta-btn{
  display:inline-block;padding:15px 34px;border-radius:999px;
  background:var(--grad-brand);color:#000121;font-weight:600;font-size:15px;
  transition:transform .2s;
}
.cta-btn:hover{transform:scale(1.04);}

footer{border-top:1px solid var(--panel-line);padding:60px 0 34px;}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:50px;}
.foot-brand p{color:var(--text-low);font-size:14px;max-width:280px;margin-top:14px;line-height:1.6;}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap;}
.foot-col h5{font-size:12.5px;letter-spacing:1px;text-transform:uppercase;color:var(--text-low);margin-bottom:16px;}
.foot-col a{display:block;font-size:14.5px;color:var(--text-mid);margin-bottom:12px;transition:color .2s;}
.foot-col a:hover{color:var(--text-hi);}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;border-top:1px solid var(--panel-line);font-size:13px;color:var(--text-low);flex-wrap:wrap;gap:12px;}

/* ---------- SHARED PAGE HERO (chat / user placeholder pages) ---------- */
.page-hero{padding:170px 0 60px;text-align:center;}
.page-hero h1{font-size:clamp(30px,4vw,44px);font-weight:600;margin-bottom:14px;}
.page-hero p{color:var(--text-mid);font-size:15.5px;max-width:460px;margin:0 auto;}
.back-home{display:inline-flex;align-items:center;gap:8px;color:var(--text-low);font-size:13.5px;margin-bottom:22px;transition:color .2s;}
.back-home:hover{color:var(--text-hi);}

@media(max-width:1000px){
  .nav-links{gap:16px;font-size:12.5px;}
  .about-grid{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .feature-strip{grid-template-columns:1fr 1fr;}
  .s21-inner{padding:40px 28px;}
  .s21-grid{grid-template-columns:1fr;gap:44px;}
  .market-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.feat{transform:none;}
  .hero{padding:150px 0 90px;}
}
@media(max-width:640px){
  nav.wrap{flex-wrap:wrap;row-gap:14px;}
  .nav-links{order:3;width:100%;justify-content:flex-start;gap:14px;}
  .feature-strip{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;scroll-behavior:auto!important;}
}