/*
 * Byte Poet — public landing styles.
 * Token :root block mirrors frontend/src/design/tokens.css (kept in sync by
 * hand — the public site is intentionally self-contained, no cross-imports).
 */

:root{
  --bp-paper:#FCFCFA; --bp-paper-2:#F5F3EE; --bp-panel:#FFFFFF;
  --bp-ink:#1E2127; --bp-ink-2:#565A64; --bp-ink-3:#9DA0A8;
  --bp-line:#E7E5DE; --bp-line-2:#DAD7CD;
  --bp-gold:#A9832F; --bp-gold-2:#D6B15A; --bp-gold-wash:#F3EAD3;
  --bp-ga:#3C7A5A; --bp-ga-bg:#EAF3EE;
  --bp-beta:#B7791F; --bp-beta-bg:#FAF0DD;
  --bp-soon:#9DA0A8; --bp-soon-bg:#F1EFE9;
  --bp-font-mono:"JetBrains Mono","Cascadia Code","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --bp-font-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Inter,Roboto,sans-serif;
  --bp-ease-out:cubic-bezier(.2,.7,.2,1);
  --bp-maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bp-paper);color:var(--bp-ink);font-family:var(--bp-font-sans);
  -webkit-font-smoothing:antialiased;line-height:1.6;position:relative;overflow-x:hidden}
::selection{background:var(--bp-gold-wash);color:var(--bp-ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
:focus-visible{outline:2px solid var(--bp-gold);outline-offset:2px;border-radius:4px}

.grain{position:fixed;inset:0;pointer-events:none;z-index:60;opacity:.05;mix-blend-mode:multiply}
.wrap{max-width:var(--bp-maxw);margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(10px);
  background:rgba(252,252,250,.72);border-bottom:1px solid var(--bp-line)}
.nav-in{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:11px}
.mark{width:30px;height:30px;flex:none}
.wordmark{font-family:var(--bp-font-mono);font-weight:600;font-size:16px;letter-spacing:-.02em;
  display:flex;align-items:baseline;gap:1px}
.wordmark .b{color:var(--bp-ink)}
.wordmark .p{color:var(--bp-ink-2)}
.caret{display:inline-block;width:8px;height:15px;background:var(--bp-gold);margin-left:2px;
  transform:translateY(2px);animation:bp-blink 1.1s steps(1) infinite}
.nav-spacer{flex:1}
.nav-links{display:none;gap:26px}
.nav-links a{font-size:13.5px;color:var(--bp-ink-2);transition:color .2s}
.nav-links a:hover{color:var(--bp-ink)}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--bp-font-mono);font-size:13px;
  padding:10px 18px;border-radius:10px;cursor:pointer;border:1px solid var(--bp-ink);
  background:var(--bp-ink);color:var(--bp-paper);transition:transform .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px -8px rgba(30,33,39,.5)}
.btn.ghost{background:transparent;color:var(--bp-ink);border-color:var(--bp-line-2)}
.btn.ghost:hover{border-color:var(--bp-ink);box-shadow:none}
.nav .btn{display:none}
@media(min-width:860px){.nav-links{display:flex}.nav .btn{display:inline-flex}}

/* ---------- hero ---------- */
.hero{position:relative;padding:70px 0 40px;overflow:hidden}
#ink{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-veil{position:absolute;inset:0;z-index:1;
  background:radial-gradient(120% 90% at 50% 0%,rgba(252,252,250,0) 40%,rgba(252,252,250,.85) 100%)}
.hero-in{position:relative;z-index:2}
.eyebrow{font-family:var(--bp-font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--bp-ink-3);display:flex;align-items:center;gap:10px;margin-bottom:22px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--bp-gold);box-shadow:0 0 0 4px var(--bp-gold-wash)}
h1.head{font-family:var(--bp-font-mono);font-weight:600;letter-spacing:-.03em;line-height:1.02;
  font-size:clamp(38px,7vw,76px);margin:0 0 24px;text-wrap:balance;max-width:16ch}
h1.head .ln2{color:var(--bp-ink-2)}
h1.head .wd{display:inline-block;white-space:nowrap}
h1.head .hcaret{display:inline-block;width:.5ch;height:.92em;background:var(--bp-gold);
  transform:translateY(.12em);animation:bp-blink 1.1s steps(1) infinite;margin-left:.06em}
.ch{display:inline-block;opacity:0;filter:blur(6px);transform:translateY(4px);animation:bp-emerge .5s forwards}
.sub{font-size:clamp(15px,2vw,18px);color:var(--bp-ink-2);max-width:52ch;margin:0 0 32px;line-height:1.65}
.sub b{color:var(--bp-ink);font-weight:600}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.trust{margin-top:38px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-family:var(--bp-font-mono);font-size:11.5px;color:var(--bp-ink-3)}
.trust .chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--bp-line-2);background:var(--bp-panel);padding:5px 11px;border-radius:999px;
  color:var(--bp-ink-2);letter-spacing:.02em}
.orbit{position:absolute;z-index:1;font-family:var(--bp-font-mono);color:var(--bp-ink-3);opacity:.5;
  font-size:13px;animation:bp-drift 9s ease-in-out infinite}

/* ---------- sections ---------- */
.sec{padding:64px 0;position:relative}
.sec.alt{background:var(--bp-paper-2);border-top:1px solid var(--bp-line);border-bottom:1px solid var(--bp-line)}
.kicker{font-family:var(--bp-font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--bp-gold);margin-bottom:14px}
.sec h2{font-family:var(--bp-font-mono);font-weight:600;letter-spacing:-.02em;font-size:clamp(26px,4vw,40px);
  margin:0 0 14px;line-height:1.08;text-wrap:balance}
.sec .lead{color:var(--bp-ink-2);max-width:56ch;font-size:16px;margin:0}
/* Only hide-then-reveal when JS is there to reveal it: with scripts off (and
   for a crawler that does not run them) the content must simply be visible. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--bp-ease-out),transform .7s var(--bp-ease-out)}
.js .reveal.is-in{opacity:1;transform:none}

.grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.grid.g3{grid-template-columns:1fr 1fr 1fr}}

.card{position:relative;background:var(--bp-panel);border:1px solid var(--bp-line);border-radius:16px;
  padding:22px;transition:transform .3s var(--bp-ease-out),border-color .3s,box-shadow .3s;overflow:hidden;display:block}
.card::after{content:"";position:absolute;left:22px;right:22px;bottom:18px;height:1px;
  background:linear-gradient(90deg,var(--bp-gold),var(--bp-gold-2));transform:scaleX(0);transform-origin:left;
  transition:transform .4s ease}
.card:hover{transform:translateY(-5px);border-color:var(--bp-line-2);box-shadow:0 22px 44px -26px rgba(30,33,39,.45)}
.card:hover::after{transform:scaleX(1)}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--bp-paper-2);border:1px solid var(--bp-line);
  display:flex;align-items:center;justify-content:center;color:var(--bp-ink);margin-bottom:16px}
.card .ico svg{width:22px;height:22px}
.card h3{font-family:var(--bp-font-mono);font-weight:600;font-size:18px;letter-spacing:-.01em;margin:0 0 7px;
  display:flex;align-items:center;gap:9px}
.card p{color:var(--bp-ink-2);font-size:14px;margin:0 0 16px;line-height:1.55}
.card .go{font-family:var(--bp-font-mono);font-size:12.5px;color:var(--bp-ink);display:inline-flex;align-items:center;gap:6px}
.card .go .arw{transition:transform .3s}
.card:hover .go .arw{transform:translateX(4px)}

.pill{font-family:var(--bp-font-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  padding:3px 9px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;font-weight:500}
.pill .pd{width:6px;height:6px;border-radius:50%}
.pill.ga{background:var(--bp-ga-bg);color:var(--bp-ga)}
.pill.ga .pd{background:var(--bp-ga);animation:bp-pulse 2s infinite}
.pill.beta{background:var(--bp-beta-bg);color:var(--bp-beta)}
.pill.beta .pd{background:var(--bp-beta)}
.pill.soon{background:var(--bp-soon-bg);color:var(--bp-soon)}
.pill.soon .pd{background:var(--bp-soon)}

/* tool-loop trace */
.trace{background:var(--bp-ink);color:#E8E9EC;border-radius:18px;overflow:hidden;
  font-family:var(--bp-font-mono);font-size:13px;box-shadow:0 30px 60px -30px rgba(30,33,39,.7)}
.trace .bar{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid #2E323B;
  color:#8B8F98;font-size:11.5px}
.trace .bar .tl{display:flex;gap:6px;margin-right:8px}
.trace .bar .tl i{width:10px;height:10px;border-radius:50%;background:#3A3E48;display:block}
.trace .body{padding:20px;display:flex;flex-direction:column;gap:12px}
.trace .row{display:flex;gap:11px;align-items:flex-start;opacity:0;transform:translateY(6px);animation:bp-tracein .5s forwards}
.trace .tag{flex:none;font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:6px;margin-top:1px}
.trace .tag.think{background:#2A2E37;color:#9DA0A8}
.trace .tag.tool{background:#2C2A20;color:var(--bp-gold-2)}
.trace .tag.ok{background:#20302A;color:#79C79E}
.trace .txt{color:#C9CBD1;line-height:1.5;overflow-wrap:anywhere}
.trace .txt .k{color:#E8E9EC}
.trace .cur{display:inline-block;width:7px;height:14px;background:var(--bp-gold-2);vertical-align:-2px;animation:bp-blink 1.1s steps(1) infinite}

.split{display:grid;gap:36px;grid-template-columns:1fr;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr 1fr}}

.feat{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){.feat{grid-template-columns:1fr 1fr}}
.fitem{border:1px solid var(--bp-line);border-radius:14px;padding:18px 20px;background:var(--bp-panel)}
.fitem .fh{display:flex;align-items:center;gap:10px;font-family:var(--bp-font-mono);font-weight:600;font-size:14.5px;margin-bottom:6px}
.fitem .fh svg{width:18px;height:18px;color:var(--bp-gold)}
.fitem p{margin:0;color:var(--bp-ink-2);font-size:13.5px;line-height:1.5}

/* footer */
footer.ft{border-top:1px solid var(--bp-line);background:var(--bp-paper-2);padding:44px 0 40px}
.ft-in{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start}
.ft .muted{color:var(--bp-ink-3);font-size:13px;max-width:34ch;margin:12px 0 0;line-height:1.55}
.ft-cols{display:flex;gap:60px;flex-wrap:wrap;font-family:var(--bp-font-mono);font-size:13px}
.ft-cols h2{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--bp-ink-3);margin:0 0 14px;font-weight:500}
.ft-cols a{display:block;color:var(--bp-ink-2);margin-bottom:10px;transition:color .2s}
.ft-cols a:hover{color:var(--bp-ink)}
.ft-base{max-width:var(--bp-maxw);margin:34px auto 0;padding:20px 24px 0;border-top:1px solid var(--bp-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-family:var(--bp-font-mono);font-size:11.5px;color:var(--bp-ink-3)}

/* keyframes */
@keyframes bp-blink{0%,50%{opacity:1}51%,100%{opacity:0}}
@keyframes bp-emerge{to{opacity:1;filter:blur(0);transform:none}}
@keyframes bp-drift{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes bp-pulse{0%{box-shadow:0 0 0 0 rgba(60,122,90,.5)}70%{box-shadow:0 0 0 6px rgba(60,122,90,0)}100%{box-shadow:0 0 0 0 rgba(60,122,90,0)}}
@keyframes bp-tracein{to{opacity:1;transform:none}}

/* mobile-first refinements */
@media(max-width:760px){.orbit{display:none}}
@media(max-width:600px){
  .wrap{padding:0 18px}
  .nav-in{gap:12px;height:58px}
  .wordmark{font-size:15px}
  .hero{padding:46px 0 28px}
  .eyebrow{margin-bottom:18px;letter-spacing:.16em}
  h1.head{font-size:clamp(32px,9vw,44px)}
  .sub{font-size:15.5px}
  .cta-row .btn{flex:1;justify-content:center}
  .sec{padding:46px 0}
  .trust{margin-top:28px}
  .ft-cols{gap:36px}
  .ft-base{flex-direction:column;gap:6px}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .ch,.reveal{opacity:1 !important;filter:none !important;transform:none !important}
}

/* =====================================================================
   Content pages (/platform, /agents, /pricing, /security) + mobile nav.
   Mobile-first: every rule below is the phone layout; min-width queries
   add the roomier desktop treatment on top.
   ===================================================================== */

.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--bp-ink);color:var(--bp-paper);
  padding:10px 16px;border-radius:0 0 10px 0;font-family:var(--bp-font-mono);font-size:13px}
.skip:focus{left:0}

/* ---------- nav: disclosure menu (works with JS off) ---------- */
.btn.sm{padding:8px 14px;font-size:12.5px}
.nav .btn.nav-cta{display:inline-flex}
.nav-links a.on{color:var(--bp-ink)}
.nav-links a.on::after{content:"";display:block;height:1px;background:var(--bp-gold);margin-top:3px}

.menu{position:relative}
.menu>summary{list-style:none;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;
  justify-content:center;border:1px solid var(--bp-line-2);border-radius:10px;background:var(--bp-panel)}
.menu>summary::-webkit-details-marker{display:none}
.menu .bars{display:flex;flex-direction:column;gap:4px;width:16px}
.menu .bars i{display:block;height:1.5px;background:var(--bp-ink);border-radius:2px}
.menu[open]>summary{border-color:var(--bp-ink)}
.menu-panel{position:absolute;right:0;top:calc(100% + 10px);min-width:216px;background:var(--bp-panel);
  border:1px solid var(--bp-line);border-radius:14px;padding:10px;box-shadow:0 22px 44px -26px rgba(30,33,39,.45)}
.menu-panel a{display:block;padding:10px 12px;border-radius:9px;font-family:var(--bp-font-mono);font-size:13.5px;
  color:var(--bp-ink-2)}
.menu-panel a:hover,.menu-panel a.on{background:var(--bp-paper-2);color:var(--bp-ink)}
.menu-panel .menu-cta{margin-top:6px;background:var(--bp-ink);color:var(--bp-paper);text-align:center}
.menu-panel .menu-cta:hover{background:var(--bp-ink);color:var(--bp-paper)}
.menu-beta{margin:10px 2px 2px;font-size:11.5px;line-height:1.45;color:var(--bp-ink-3);max-width:26ch}
@media(min-width:860px){.menu{display:none}}

/* ---------- page head ---------- */
.phead{padding:34px 0 8px;border-bottom:1px solid var(--bp-line);background:var(--bp-paper-2)}
.phead h1{font-family:var(--bp-font-mono);font-weight:600;letter-spacing:-.025em;line-height:1.06;
  font-size:clamp(30px,6vw,52px);margin:0 0 16px;text-wrap:balance;max-width:20ch}
.phead .lead{color:var(--bp-ink-2);max-width:60ch;font-size:16px;margin:0 0 34px;line-height:1.65}
.crumbs{font-family:var(--bp-font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--bp-ink-3);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--bp-gold);padding:6px 0;display:inline-block}
.crumbs span:last-child{color:var(--bp-ink-2)}

.wrap.narrow{max-width:760px}
.center{text-align:center}
.center .btn{margin:0 auto}
.center .lead{margin-left:auto;margin-right:auto}

.more{margin:26px 0 0;font-family:var(--bp-font-mono);font-size:13px}
.more a{color:var(--bp-gold);border-bottom:1px solid transparent;transition:border-color .2s}
.more a:hover{border-color:var(--bp-gold)}

.beta-note{margin:18px 0 0;font-size:12.5px;line-height:1.5;color:var(--bp-ink-3);
  display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.center .beta-note{justify-content:center}
.beta-note a{color:var(--bp-gold);border-bottom:1px solid transparent;transition:border-color .2s}
.beta-note a:hover{border-color:var(--bp-gold)}
.hero-beta{margin-top:26px;max-width:46ch}
.ft-beta{margin:14px 0 0;font-size:12px;color:var(--bp-ink-3);display:flex;align-items:center;gap:9px;
  flex-wrap:wrap;max-width:38ch;line-height:1.5}

/* ---------- numbered steps ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px;grid-template-columns:1fr}
.steps li{border:1px solid var(--bp-line);border-radius:14px;padding:20px;background:var(--bp-panel)}
.steps .n{font-family:var(--bp-font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--bp-gold);
  display:block;margin-bottom:10px}
.steps h3{font-family:var(--bp-font-mono);font-weight:600;font-size:16px;margin:0 0 7px;letter-spacing:-.01em}
.steps p{margin:0;color:var(--bp-ink-2);font-size:13.5px;line-height:1.55}
@media(min-width:640px){.steps{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.steps{grid-template-columns:repeat(4,1fr)}}

/* ---------- panels & tick lists ---------- */
.panel{border:1px solid var(--bp-line);border-radius:16px;padding:22px;background:var(--bp-panel)}
.panel h3{font-family:var(--bp-font-mono);font-weight:600;font-size:16.5px;margin:0 0 14px;letter-spacing:-.01em}
.panel .fh{display:flex;align-items:center;gap:10px;font-family:var(--bp-font-mono);font-weight:600;
  font-size:15px;margin-bottom:8px}
.panel .fh svg{width:18px;height:18px;color:var(--bp-gold);flex:none}
.panel p{margin:0;color:var(--bp-ink-2);font-size:13.5px;line-height:1.6}

.ticks{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ticks li{display:flex;gap:10px;align-items:flex-start;color:var(--bp-ink-2);font-size:13.5px;line-height:1.5}
.ticks li svg{width:15px;height:15px;color:var(--bp-gold);flex:none;margin-top:3px}
@media(min-width:760px){.ticks.two{grid-template-columns:1fr 1fr;gap:9px 26px}}

/* ---------- agent detail ---------- */
.agent{border-top:1px solid var(--bp-line);padding:34px 0}
.agent:first-child{border-top:0;padding-top:6px}
.agent-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:14px}
.ico.big{width:52px;height:52px;border-radius:14px;background:var(--bp-paper-2);border:1px solid var(--bp-line);
  display:flex;align-items:center;justify-content:center;color:var(--bp-ink);flex:none}
.ico.big svg{width:26px;height:26px}
.agent h2{font-family:var(--bp-font-mono);font-weight:600;letter-spacing:-.02em;font-size:clamp(22px,4vw,30px);
  margin:0 0 6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.agent .tagline{margin:0;color:var(--bp-gold);font-family:var(--bp-font-mono);font-size:13px;line-height:1.45}
.agent .lead{color:var(--bp-ink-2);max-width:62ch;font-size:15px;line-height:1.65;margin:0 0 20px}

.chips.big{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chips.big .chip{font-family:var(--bp-font-mono);font-size:13px;padding:9px 14px;display:inline-flex;
  align-items:center;gap:9px}

/* ---------- pricing ---------- */
.plan{border:1px solid var(--bp-line);border-radius:18px;padding:24px;background:var(--bp-panel);
  display:flex;flex-direction:column;gap:18px}
.plan.lead-plan{border-color:var(--bp-gold-2);box-shadow:0 22px 44px -30px rgba(169,131,47,.5)}
.plan h2{font-family:var(--bp-font-mono);font-weight:600;font-size:19px;letter-spacing:-.01em;margin:0;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.plan .price{font-family:var(--bp-font-mono);font-size:clamp(24px,4vw,30px);font-weight:600;
  letter-spacing:-.02em;margin:14px 0 4px;color:var(--bp-ink)}
.plan .price-note{margin:0;font-size:12.5px;color:var(--bp-ink-3);font-family:var(--bp-font-mono)}
.plan .plan-desc{margin:14px 0 0;color:var(--bp-ink-2);font-size:14px;line-height:1.6}
.plan .btn{justify-content:center;margin-top:auto}

.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--bp-line);border-radius:14px;background:var(--bp-panel);padding:16px 18px}
.faq summary{cursor:pointer;font-family:var(--bp-font-mono);font-weight:600;font-size:14.5px;
  letter-spacing:-.01em;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--bp-gold);font-weight:400;flex:none}
.faq details[open] summary::after{content:"\2013"}
.faq p{margin:10px 0 0;color:var(--bp-ink-2);font-size:13.5px;line-height:1.65;max-width:64ch}

@media(max-width:600px){
  .phead{padding:26px 0 4px}
  .phead .lead{margin-bottom:26px}
  .agent{padding:26px 0}
  .agent-head{gap:13px}
  .ico.big{width:44px;height:44px}
  .ico.big svg{width:22px;height:22px}
  .plan{padding:20px}
  .menu-panel{position:fixed;left:12px;right:12px;top:64px;min-width:0}
}