/* header: sticky, transparent until scroll */
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(8px);transition:border-color .2s}
.site-header.is-scrolled{border-bottom-color:var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:15px;font-weight:500;letter-spacing:-.01em}
.logo-mark{display:grid;place-items:center;width:22px;height:22px;flex:none;background:var(--fg);color:var(--bg);font-family:var(--font-mono);font-size:11px;font-weight:500}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:8px 16px;font-size:13px;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--fg)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-right .link-btn{font-size:13px}
.star-count{display:flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}

/* hero: centered, radial brand glow behind */
.hero{position:relative;overflow:hidden;padding:96px 0 64px;text-align:center}
.hero-glow{position:absolute;left:50%;top:-10%;width:1200px;height:700px;transform:translateX(-50%);pointer-events:none;background:radial-gradient(ellipse 42% 38% at 50% 30%,rgba(232,128,74,.10),rgba(232,128,74,.03) 55%,transparent 78%)}
.hero-inner{position:relative;z-index:1}
.hero h1{max-width:1000px;margin:26px auto 0;font-size:clamp(38px,5.6vw,68px);font-weight:500;letter-spacing:-.02em;line-height:1.12}
.hero-sub{max-width:720px;margin:20px auto 0;font-size:clamp(15px,1.6vw,20px);font-weight:300;color:var(--muted)}
.hero-cta{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:32px}
.choice-label{margin-top:4px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.agent-switch{display:inline-flex;flex-wrap:wrap;padding:3px;border:1px solid var(--border);background:rgba(255,255,255,.02)}
.agent-btn{padding:8px 16px;border:0;background:transparent;font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--muted);transition:background .15s,color .15s}
.agent-btn:hover{color:var(--fg)}
.agent-btn.is-active{background:var(--brand);color:#fff}
.hero-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:4px}
.os-switch{display:inline-flex;padding:3px;border:1px solid var(--border);background:rgba(255,255,255,.02)}
.os-btn{padding:7px 16px;border:0;background:transparent;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);transition:background .15s,color .15s}
.os-btn:hover{color:var(--fg)}
.os-btn.is-active{background:var(--fg);color:var(--bg)}
.hero-meta{margin-top:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}

/* app window mockup: the centerpiece, doubles as the agent picker */
.stage{margin-top:72px;text-align:left}
.stage-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:0}
.stage-tabs{display:flex;flex-direction:column;gap:2px;justify-content:center;padding-right:24px}
.stage-tab{position:relative;padding:10px 16px;border:0;background:transparent;text-align:left;font-size:14px;color:var(--muted);transition:color .2s}
.stage-tab:hover{color:rgba(250,250,250,.8)}
.stage-tab.is-active{color:var(--fg)}
.stage-tab:before{content:"";position:absolute;left:0;top:50%;width:2px;height:0;background:var(--brand);opacity:0;transform:translateY(-50%);transition:height .2s,opacity .2s}
.stage-tab.is-active:before{height:40%;opacity:1}

.window{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:12px;background:var(--bg);box-shadow:0 1px 1px rgba(0,0,0,.4),0 16px 40px -12px rgba(0,0,0,.6),0 32px 90px -24px rgba(0,0,0,.75)}
.window:after{content:"";position:absolute;inset:0;border-radius:12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.09);pointer-events:none}
.window-body{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:430px}

/* window sidebar: traffic lights + agent rows with status + diffstat */
.win-side{display:flex;flex-direction:column;border-right:1px solid rgba(255,255,255,.06);background:var(--card);font-size:11px}
.lights{display:flex;align-items:center;gap:6px;height:36px;padding:0 12px}
.lights span{width:10px;height:10px;border-radius:50%}
.lights span:nth-child(1){background:#ff5f57}
.lights span:nth-child(2){background:#febc2e}
.lights span:nth-child(3){background:#28c840}
.win-nav{padding:4px 6px 0}
.win-nav div{display:flex;align-items:center;gap:8px;height:24px;padding:0 8px;color:rgba(161,161,161,.55)}
.win-group{display:flex;align-items:center;gap:6px;height:24px;margin-top:18px;padding:0 12px;font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:rgba(161,161,161,.65)}
.win-account{display:flex;align-items:center;gap:8px;height:26px;margin-top:14px;padding:0 12px;font-family:var(--font-mono);font-size:10px;color:rgba(161,161,161,.6)}
.win-account .plan{margin-left:auto;padding:1px 6px;border:1px solid rgba(0,210,148,.35);color:var(--ok);letter-spacing:.04em}
.win-group .count{margin-left:auto;font-variant-numeric:tabular-nums;color:rgba(161,161,161,.4)}
.win-rows{display:grid;gap:2px;margin-top:4px}
.win-row{position:relative;display:flex;align-items:center;gap:10px;width:100%;height:28px;padding:0 12px 0 16px;border:0;background:transparent;text-align:left;font-size:11px;color:rgba(161,161,161,.75);transition:background .15s,color .15s}
.win-row:hover{background:rgba(250,250,250,.025);color:rgba(250,250,250,.9)}
.win-row.is-active{background:rgba(250,250,250,.06);color:var(--fg);font-weight:500}
.win-row.is-active:before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:2px;background:var(--brand)}
.win-row .status{display:grid;place-items:center;width:12px;flex:none}
.win-row .status i{width:6px;height:6px;border-radius:50%;background:rgba(161,161,161,.4)}
.win-row.is-active .status i{background:var(--ok)}
.win-row .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.win-row .diff{flex:none;font-family:var(--font-mono);font-size:10px;font-variant-numeric:tabular-nums;color:rgba(161,161,161,.45)}
.win-row.is-active .diff{color:rgba(0,210,148,.8)}

/* window main pane: terminal-ish detail view */
.win-main{display:flex;flex-direction:column;min-width:0}
.win-bar{display:flex;align-items:center;gap:12px;height:36px;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.06);font-family:var(--font-mono);font-size:11px;color:var(--muted)}
.win-bar .sep{color:rgba(161,161,161,.35)}
.win-bar .free{margin-left:auto;padding:2px 8px;border:1px solid rgba(0,210,148,.4);color:var(--ok);font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.win-content{flex:1;padding:26px 24px}
.win-content h2{font-size:22px;font-weight:500;letter-spacing:-.02em}
.win-content>p{max-width:560px;margin-top:8px;font-size:13px;line-height:1.65;color:var(--muted)}
.term{margin-top:22px;padding:14px 16px;border:1px solid var(--border);background:rgba(255,255,255,.02);font-family:var(--font-mono);font-size:12px;line-height:1.9}
.term div{display:flex;gap:10px;white-space:nowrap}
.term .k{width:96px;flex:none;color:rgba(161,161,161,.6)}
.term .v{min-width:0;overflow:hidden;text-overflow:ellipsis;color:var(--fg)}
.term .v.brand{color:var(--brand-light)}
.win-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.win-actions .hint{font-family:var(--font-mono);font-size:11px;color:rgba(161,161,161,.6)}
.win-actions .hint .link-btn{font-family:var(--font-mono);font-size:11px;text-decoration:underline;text-underline-offset:3px}

/* logo strip */
.strip{margin-top:56px;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);overflow:hidden}
.strip-track{display:flex;width:max-content;animation:strip 28s linear infinite}
.strip-group{display:flex;flex:none;align-items:center;gap:64px;padding-right:64px}
.strip-group span{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:rgba(161,161,161,.35);white-space:nowrap}
@keyframes strip{to{transform:translateX(-50%)}}

/* feature rows */
.section{padding:96px 0}
/* anchors must clear the 64px sticky header */
#stage,#why,#wild,#faq{scroll-margin-top:88px}
.section-head{max-width:760px}
.section-head h2{font-size:clamp(28px,3.4vw,44px);font-weight:500;letter-spacing:-.02em;line-height:1.15}
.section-head p{margin-top:14px;font-size:16px;font-weight:300;color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:48px;background:var(--border)}
.cell{padding:28px 24px 32px;background:var(--bg)}
.cell .idx{font-family:var(--font-mono);font-size:11px;color:var(--brand)}
.cell h3{margin-top:18px;font-size:17px;font-weight:500}
.cell p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--muted)}

/* social proof cards */
.posts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:48px}
.post{display:flex;flex-direction:column;padding:20px;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.02);transition:background .2s,border-color .2s}
.post:hover{background:rgba(255,255,255,.04);border-color:var(--border-hi)}
.post-head{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;flex:none;border-radius:50%;background:rgba(255,255,255,.06)}
.post-who{display:flex;flex-direction:column;min-width:0}
.post-name{font-size:15px;font-weight:500;color:var(--fg)}
.post-handle{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.post-mark{margin-left:auto;font-family:var(--font-mono);font-size:13px;font-weight:500;color:rgba(161,161,161,.45)}
.post-body{margin-top:16px;font-size:15px;line-height:1.6;color:rgba(250,250,250,.9)}
.post-meta{display:flex;gap:18px;margin-top:18px;font-family:var(--font-mono);font-size:12px;color:rgba(161,161,161,.5)}
.posts-note{margin-top:20px;font-family:var(--font-mono);font-size:11px;color:rgba(161,161,161,.45)}

/* faq */
.faq{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item>button{display:flex;justify-content:space-between;gap:16px;width:100%;padding:18px 4px;border:0;background:transparent;text-align:left;font-size:15px;color:var(--fg)}
.faq-item>button i{font-family:var(--font-mono);font-style:normal;color:var(--muted)}
.faq-item .a{padding:0 4px 18px;font-size:14px;line-height:1.75;color:var(--muted)}
.faq-item .a[hidden]{display:none}
.faq-item .a code{padding:2px 6px;border:1px solid var(--border);background:rgba(255,255,255,.03);font-family:var(--font-mono);font-size:12px;color:var(--brand-light)}

/* footer */
.site-footer{padding:48px 0 56px;border-top:1px solid var(--border)}
.footer-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px;font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--fg)}
.footer-links .link-btn{font-size:13px}
.footer-fine{margin-top:28px;padding-top:24px;border-top:1px solid var(--border);font-family:var(--font-mono);font-size:11px;line-height:1.7;color:rgba(161,161,161,.6)}

@media(max-width:1000px){
  .stage-layout{grid-template-columns:1fr}
  .stage-tabs{flex-direction:row;gap:4px;padding:0 0 16px;overflow-x:auto}
  .stage-tab{flex:none;white-space:nowrap}
  .stage-tab.is-active:before{left:0;top:auto;bottom:0;width:100%;height:2px;transform:none}
  .window-body{grid-template-columns:1fr}
  .win-side{border-right:0;border-bottom:1px solid rgba(255,255,255,.06)}
  .grid3,.posts{grid-template-columns:1fr}
  .nav-links,.star-count{display:none}
}