:root{
  --bg:#f7f6f3;
  --bg-2:#fbfaf8;
  --surface:#ffffff;
  --surface-2:#f2f1ed;
  --ink:#14161a;
  --t1:#1c1f24;
  --t2:#565b64;
  --t3:#8b9098;
  --line:#e5e3dd;
  --line-2:#d7d4cc;
  --gold:#b08d57;
  --gold-soft:#c8ac80;
  --gold-tint:rgba(176,141,87,.08);
  --maxw:1160px;
  --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.05);
  --shadow-md:0 2px 6px rgba(20,22,26,.05),0 20px 48px rgba(20,22,26,.09);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;max-width:100%}
body{
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.7;
  font-size:16px;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  max-width:100%;
  width:100%;
  position:relative;
  overscroll-behavior-x:none;
  touch-action:pan-y;
  -webkit-tap-highlight-color:transparent;
}
img,svg,video,canvas{max-width:100%;height:auto}
p,h1,h2,h3,h4,summary,li,a{overflow-wrap:break-word;word-break:break-word}
::selection{background:rgba(176,141,87,.22);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* ---------- background ---------- */
.bg-glow{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1100px 560px at 50% -12%, #ffffff 0%, rgba(255,255,255,0) 62%),
    radial-gradient(900px 500px at 88% 8%, rgba(176,141,87,.06), transparent 60%);
}
.bg-grid{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(20,22,26,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(20,22,26,.028) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 92% 60% at 50% 0%,#000 20%,transparent 72%);
          mask-image:radial-gradient(ellipse 92% 60% at 50% 0%,#000 20%,transparent 72%);
}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:780px}
.section{padding:112px 0}
section[id]{scroll-margin-top:84px}
.section-quiet{background:linear-gradient(180deg,rgba(20,22,26,.018),transparent)}
.section-head{max-width:660px;margin-bottom:56px}
.section-head h2{font-size:clamp(27px,3.2vw,40px);font-weight:600;line-height:1.22;letter-spacing:-.4px;margin:16px 0 14px;color:var(--ink)}
.section-head p{color:var(--t2);font-size:16.5px;font-weight:400}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;
  letter-spacing:3px;text-transform:uppercase;color:var(--gold);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);opacity:.8}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease)}
.nav.scrolled{background:rgba(247,246,243,.82);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:18px 28px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:18px;letter-spacing:.2px;color:var(--ink)}
.brand-mark{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;color:var(--gold);
  background:var(--ink)}
.brand-mark svg{width:17px;height:17px}
.brand-mark.small{width:26px;height:26px;border-radius:8px}
.brand-mark.small svg{width:14px;height:14px}
.brand-name{font-weight:600}
.brand-name b{font-weight:700;color:var(--ink)}
.nav-links{display:flex;gap:30px;margin-left:14px}
.nav-links a{color:var(--t2);font-size:14.5px;font-weight:500;transition:color .2s;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--gold);transition:right .28s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{right:0}
.nav-cta{margin-left:auto;display:flex;gap:12px;align-items:center}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:transparent;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.nav-toggle span{width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:10px;font-size:14.5px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .28s var(--ease),background .25s,border-color .25s,color .25s;
  white-space:nowrap;background:transparent;color:var(--t1);font-family:inherit;
  max-width:100%;text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#f7f6f3;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#000;box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:12px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{padding:184px 0 100px;position:relative}
.hero-inner{max-width:880px}
.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.08;font-weight:600;letter-spacing:-2px;margin:22px 0 24px;color:var(--ink)}
.grad{color:var(--gold);position:relative;white-space:nowrap}
.hero .lead{font-size:clamp(16.5px,1.6vw,19px);color:var(--t2);max-width:640px;margin-bottom:38px;font-weight:400}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:52px;margin-top:68px;flex-wrap:wrap;padding-top:32px;border-top:1px solid var(--line)}
.hero-meta>div{display:flex;flex-direction:column}
.hero-meta b{font-size:27px;font-weight:600;letter-spacing:-.5px;color:var(--ink)}
.hero-meta span{font-size:13px;color:var(--t3);margin-top:3px;letter-spacing:.4px}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:20px}
.grid-features{grid-template-columns:repeat(3,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.span-2{grid-column:span 2}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);padding:30px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--shadow-md)}
.card .ico{
  width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:17px;
  color:var(--gold);border:1px solid var(--gold-soft);background:var(--gold-tint);margin-bottom:18px;
}
.card h3{font-size:18px;font-weight:600;margin-bottom:9px;letter-spacing:-.2px;color:var(--ink)}
.card p{color:var(--t2);font-size:14.5px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chips span{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--t2);
  border:1px solid var(--line);border-radius:999px;padding:3px 11px;background:var(--surface-2)}

/* ---------- marquee ---------- */
.marquee{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);padding:22px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:12px;width:max-content;animation:scroll 46s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--t2);
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;background:var(--surface-2);white-space:nowrap}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:var(--surface)}
.step-no{font-family:ui-monospace,Menlo,monospace;font-size:26px;font-weight:600;color:var(--gold);letter-spacing:1px}
.step h3{font-size:18px;margin:16px 0 8px;font-weight:600;color:var(--ink)}
.step p{color:var(--t2);font-size:14.5px}

/* ---------- timeline / milestones ---------- */
.timeline{position:relative;padding-left:40px;max-width:760px}
.timeline::before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:1px;background:var(--line-2)}
.tl-item{position:relative;padding-bottom:42px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-40px;top:5px;width:21px;height:21px;border-radius:50%;
  background:var(--surface);border:1px solid var(--gold-soft);display:grid;place-items:center}
.tl-dot::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}
.tl-tag{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;letter-spacing:1.2px;color:var(--gold);margin-bottom:7px}
.tl-body h3{font-size:18px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.tl-body p{color:var(--t2);font-size:14.5px}

/* ---------- pricing ---------- */
.price{padding:34px;display:flex;flex-direction:column}
.price.featured{border-color:var(--gold-soft);background:linear-gradient(180deg,var(--gold-tint),var(--surface) 40%);box-shadow:var(--shadow-md)}
.price-tag{align-self:flex-start;font-size:11.5px;font-weight:600;letter-spacing:1.5px;color:var(--gold);
  border:1px solid var(--gold-soft);border-radius:999px;padding:3px 12px;margin-bottom:18px;text-transform:uppercase}
.price h3{font-size:20px;font-weight:600;color:var(--ink)}
.price-num{font-size:30px;font-weight:600;letter-spacing:-.6px;margin:12px 0 22px;color:var(--ink)}
.price-num span{font-size:14px;font-weight:400;color:var(--t3);letter-spacing:0;margin-left:6px}
.price ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.price li{color:var(--t2);font-size:14.5px;padding-left:24px;position:relative}
.price li::before{content:"";position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:50%;
  border:1px solid var(--gold-soft)}
.price li::after{content:"";position:absolute;left:4px;top:10px;width:4px;height:4px;border-radius:50%;background:var(--gold)}
.price .btn{margin-top:auto}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq details[open]{border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:15.5px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--t3);font-weight:400;transition:transform .25s var(--ease),color .25s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--gold)}
.faq p{padding:0 24px 22px;color:var(--t2);font-size:14.5px}
.faq a{color:var(--gold);border-bottom:1px solid var(--gold-soft)}

/* ---------- cta ---------- */
.cta{padding:96px 0 112px}
.cta-inner{text-align:center;border:1px solid var(--line);border-radius:22px;padding:68px 32px;
  background:linear-gradient(180deg,#ffffff, #fbfaf8)}
.cta-inner h2{font-size:clamp(26px,3.4vw,40px);font-weight:600;letter-spacing:-.5px;color:var(--ink)}
.cta-inner p{color:var(--t2);margin:16px 0 32px;font-size:16.5px}
.cta-inner .hero-actions{justify-content:center}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:48px 0;background:var(--bg-2)}
.footer-inner{display:flex;flex-direction:column;gap:16px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;color:var(--ink)}
.footer-links{display:flex;flex-wrap:wrap;gap:24px}
.footer-links a{color:var(--t2);font-size:14px;cursor:pointer;transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.footer-copy{color:var(--t3);font-size:13px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);z-index:200;
  background:var(--ink);border:1px solid #000;color:#f7f6f3;
  padding:12px 20px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease);box-shadow:var(--shadow-md)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-features,.grid-3,.steps{grid-template-columns:1fr 1fr}
  .span-2{grid-column:span 2}
  .hero{padding:160px 0 88px}
  .nav-inner{gap:20px}
  .nav-links{gap:20px;margin-left:6px}
}
@media (max-width:860px){
  .nav-inner{gap:12px;padding:14px 18px}
  .nav-cta{gap:8px}
  .nav-cta .btn{padding:9px 15px;font-size:14px;border-radius:9px}
  .brand{font-size:17px}
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav.open{background:rgba(247,246,243,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .nav.open .nav-links{
    display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    padding:6px 22px 22px;background:rgba(247,246,243,.99);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
  }
  .nav.open .nav-links a{padding:15px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav.open .nav-links a:last-child{border-bottom:none}
  .nav.open .nav-links a::after{display:none}
  .nav.open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav.open .nav-toggle span:nth-child(2){opacity:0}
  .nav.open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
}
@media (max-width:760px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .section{padding:72px 0}
  section[id]{scroll-margin-top:72px}
  .section-head{margin-bottom:36px}
  .section-head p{font-size:15.5px}
  .btn{white-space:normal;line-height:1.35}
  .hero{padding:132px 0 60px}
  .hero h1{letter-spacing:-1px;margin:18px 0 20px}
  .hero .lead{font-size:16px;margin-bottom:30px}
  .hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:22px 16px;margin-top:44px;padding-top:26px}
  .hero-meta b{font-size:22px}
  .hero-meta span{font-size:12.5px}
  .grid-features,.grid-3,.steps{grid-template-columns:1fr;gap:14px}
  .span-2{grid-column:span 1}
  .card{padding:24px}
  .card .ico{width:38px;height:38px;margin-bottom:14px}
  .step{padding:26px}
  .price{padding:28px}
  .timeline{padding-left:30px}
  .timeline::before{left:7px}
  .tl-dot{left:-30px;width:17px;height:17px;top:6px}
  .tl-dot::after{width:6px;height:6px}
  .tl-item{padding-bottom:34px}
  .tl-body h3{font-size:16.5px}
  .cta{padding:72px 0 84px}
  .cta-inner{padding:44px 22px}
  .cta-inner p{font-size:15.5px}
  .hero-actions{width:100%;gap:12px}
  .hero-actions .btn{flex:1 1 100%;width:100%}
  .cta-inner .hero-actions .btn{flex:1 1 100%}
  .footer{padding:40px 0}
  .footer-links{gap:16px 20px}
  .toast{left:16px;right:16px;transform:translateY(16px);text-align:center}
  .toast.show{transform:translateY(0)}
}
@media (max-width:420px){
  .wrap{padding:0 16px}
  .nav-inner{padding:13px 16px;gap:10px}
  .nav-cta .btn{padding:8px 12px;font-size:13px}
  .hero{padding:120px 0 52px}
  .hero h1{font-size:clamp(31px,9vw,42px);letter-spacing:-.6px}
  .hero-meta{gap:20px 14px}
  .brand{font-size:17px}
  .price-num{font-size:27px}
}
@media (max-width:360px){
  .brand-name{display:none}
  .hero-meta{grid-template-columns:1fr 1fr}
  .hero-meta b{font-size:20px}
}