:root{
  --radius:1rem;
  --background:oklch(0.145 0.008 255);
  --bg-elev:oklch(0.19 0.011 255);
  --foreground:oklch(0.965 0.003 255);
  --card:oklch(0.215 0.012 255);
  --muted-foreground:oklch(0.655 0.014 255);
  --accent:oklch(0.82 0.032 240);
  --accent-foreground:oklch(0.145 0.008 255);
  --destructive:oklch(0.6 0.2 27);
  --border:oklch(1 0 0 / 8%);
  --font-serif:"Instrument Serif",Georgia,serif;
  --font-sans:"Inter",ui-sans-serif,system-ui,sans-serif;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--background);color:var(--foreground);font-family:var(--font-sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:oklch(0.82 0.032 240 / 12%)}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section-y{padding-block:72px}
@media(min-width:768px){.section-y{padding-block:120px}}
.bt{border-top:1px solid var(--border)}
.by{border-block:1px solid var(--border)}
.elev{background:var(--bg-elev)}
.rule{height:1px;width:100%;background:var(--border)}
.label{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--accent);line-height:1.4}
.display{font-family:var(--font-serif);font-weight:400;letter-spacing:-.02em;line-height:1.05;color:var(--foreground)}
.muted{color:var(--muted-foreground)}
.accent{color:var(--accent)}
em{font-style:italic}
.grain{position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E")}
.halo{position:absolute;pointer-events:none;background:radial-gradient(circle,oklch(0.72 0.06 250 / .16) 0%,transparent 70%);filter:blur(80px)}

/* nav */
.site-header{position:fixed;inset-inline:0;top:0;z-index:50;transition:all .5s}
.site-header.scrolled{border-bottom:1px solid var(--border);background:oklch(0.145 0.008 255 / .8);backdrop-filter:blur(20px)}
.nav-bar{display:flex;height:72px;align-items:center;justify-content:space-between}
.logotype{font-size:12px;text-transform:uppercase;letter-spacing:.2em}
.nav-links{display:none;align-items:center;gap:32px}
@media(min-width:1024px){.nav-links{display:flex}.nav-toggle{display:none}}
.nav-links a{font-size:13px;color:var(--muted-foreground);transition:color .25s}
.nav-links a:hover{color:var(--accent)}
.nav-toggle{background:none;border:0;color:var(--foreground);font-size:22px;cursor:pointer;line-height:1}
.mobile-menu{position:fixed;inset:0;z-index:40;display:none;flex-direction:column;justify-content:center;gap:24px;background:var(--background);padding:0 24px}
.mobile-menu.open{display:flex}
.mobile-menu a{font-family:var(--font-serif);font-size:clamp(30px,9vw,44px);line-height:1.1}
main{padding-top:72px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 28px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;transition:all .25s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn:active{transform:scale(.98)}
.btn-solid{background:var(--foreground);color:var(--background)}
.btn-solid:hover{background:var(--accent);color:var(--accent-foreground)}
.btn-ghost{color:oklch(0.965 0.003 255 / .8)}
.btn-ghost:hover{color:var(--accent)}
.btn-outline{border-color:var(--border);color:oklch(0.965 0.003 255 / .8)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.arrow{font-size:15px}

/* cards + grids */
.card{height:100%;border-radius:1.5rem;border:1px solid var(--border);background:var(--card);padding:32px;transition:border-color .3s}
.card:hover{border-color:oklch(0.82 0.032 240 / .4)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:1fr}
.g3{grid-template-columns:1fr}
.g5{grid-template-columns:1fr;gap:40px}
.g4{grid-template-columns:1fr}
@media(min-width:640px){.g4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:768px){.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g5{grid-template-columns:repeat(5,1fr);gap:24px}}
@media(min-width:1024px){.g4{grid-template-columns:repeat(4,1fr)}}
.section-head{max-width:768px}
.section-head h2{margin-top:20px;font-size:clamp(30px,5vw,56px)}

/* hero */
.hero{position:relative;display:flex;min-height:calc(100vh - 72px);flex-direction:column;justify-content:center}
.hero .halo{bottom:-10%;left:50%;height:520px;width:900px;transform:translateX(-50%)}
.hero h1{margin-top:32px;font-size:clamp(40px,8vw,88px)}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.08em}
.hero h1 .line span{display:block;line-height:1.12}
.hero-sub{margin-top:32px;max-width:36rem}
.hero-cta{margin-top:48px;display:flex;flex-wrap:wrap;gap:16px}

/* marquee */
.marquee-wrap{overflow:hidden;border-block:1px solid var(--border);padding-block:24px}
.marquee{display:flex;width:max-content;gap:64px;animation:marquee 38s linear infinite}
.marquee span{font-size:12px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted-foreground);opacity:.4;transition:opacity .3s}
.marquee span:hover{opacity:1}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* misc blocks */
.split{display:grid;gap:48px}
@media(min-width:768px){.split{grid-template-columns:5fr 7fr}}
.split h2{margin-top:20px;font-size:clamp(28px,4.4vw,48px)}
.step{border-left:1px solid var(--border);padding-left:24px}
@media(min-width:768px){.step{border-left:0;padding-left:0;padding-top:32px}.method-line{position:absolute;left:0;top:0;height:1px;width:100%;background:var(--accent)}}
.tags{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px}
.tag{border:1px solid var(--border);border-radius:999px;padding:4px 12px;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted-foreground)}
.cap-list{margin-top:32px;list-style:none}
.cap-list li{display:flex;gap:16px;border-top:1px solid var(--border);padding-block:16px;font-size:15px;color:var(--muted-foreground)}
.quote p{margin-inline:auto;max-width:768px;font-size:clamp(26px,4vw,44px)}
.rows{margin-top:32px}
.row{display:grid;grid-template-columns:1fr 2fr;gap:16px;border-top:1px solid var(--border);padding-block:16px}
.row dd{font-size:15px;color:var(--muted-foreground)}
.crit{padding-block:40px}
.crit p+p{margin-top:16px;font-size:clamp(24px,3vw,34px)}
.final{position:relative;border-top:1px solid var(--border);padding-block:128px;text-align:center}
.final .halo{left:50%;top:50%;height:420px;width:820px;transform:translate(-50%,-50%)}
.final h2{margin:24px auto 0;max-width:42rem;font-size:clamp(32px,5.5vw,64px)}

/* contact */
.contact-grid{margin-top:80px;display:grid;gap:64px}
@media(min-width:1024px){.contact-grid{grid-template-columns:7fr 5fr}}
.field{display:block}
.field .control{margin-top:8px}
.field input,.field select,.field textarea{width:100%;border:0;border-bottom:1px solid var(--border);background:transparent;padding-block:12px;font-size:16px;color:var(--foreground);outline:none;font-family:inherit;transition:border-color .25s}
.field textarea{resize:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}
.field select option{background:var(--background)}
.field ::placeholder{color:oklch(0.655 0.014 255 / .6)}
.err{margin-top:8px;display:block;font-size:13px;color:var(--destructive)}
form.bcg-form{display:flex;flex-direction:column;gap:40px}
.success{border-radius:1.5rem;border:1px solid var(--border);background:var(--card);padding:48px;text-align:center}
.success .tick{margin:0 auto;display:flex;height:48px;width:48px;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--accent);color:var(--accent)}
.channel{padding-block:32px}
.channel a{margin-top:12px;display:block;font-size:17px;text-decoration:underline;text-underline-offset:4px;transition:color .25s}
.channel a:hover{color:var(--accent)}

/* footer */
.site-footer{padding:80px 0 56px}
.footer-grid{display:grid;gap:48px;padding-top:48px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
.footer-col{display:flex;flex-direction:column;gap:12px;font-size:15px;color:var(--muted-foreground)}
.footer-col a:hover{color:var(--accent)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.hero-anim{opacity:0;transform:translateY(20px);animation:rise .9s cubic-bezier(.16,1,.3,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}

.scroll-hint{position:absolute;inset-inline:0;bottom:40px;display:none}
@media(min-width:768px){.scroll-hint{display:block}}
.scroll-hint span{display:block;height:64px;width:1px;transform-origin:top;background:linear-gradient(to bottom,var(--accent),transparent);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scaleY(.2)}50%{transform:scaleY(1)}}