/* Tobira hero, calm version
   Colors (fixed roles):
   paper   #F6F4EF  page background
   line    #E3DDD3  frame hairlines
   cocoa   #2E1A10  headings, text, buttons (the action color)
   taupe   #6E6259  body text, labels
   harbor  #14405F  deep end of the panel gradient
   sea     #3F9A86  the site agent: replies, highlights, confirmations
   Type: Newsreader (light, optical size 72) for the headline and the assistant quote,
   Instrument Sans for interface text, Fragment Mono only for data agents exchange. */

:root{
  --paper:#F6F4EF;
  --line:#E3DDD3;
  --cocoa:#2E1A10;
  --taupe:#6E6259;
  --harbor:#14405F;
  --sea:#3F9A86;

  --card:#FFFFFF;
  --sea-tint:rgba(63,154,134,.15);
  --serif:'Newsreader',ui-serif,Georgia,serif;
  --sans:'Instrument Sans',ui-sans-serif,system-ui,sans-serif;
  --mono:'Fragment Mono',ui-monospace,'Cascadia Mono',Menlo,monospace;
  --shadow:0 1px 1px rgba(16,40,56,.06),0 18px 40px -20px rgba(10,34,52,.55);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--cocoa);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
p,h2{margin:0}
button{font:inherit;color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- frame: full-width rows, one centred column with hairline sides ---------- */
.row{border-bottom:1px solid var(--line)}
.frame{max-width:1200px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.row-tail{border-bottom:0}
.row-tail .frame{height:72px}

/* ---------- nav ---------- */
.nav{display:flex;align-items:center;gap:40px;height:64px;padding:0 28px}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:21px;letter-spacing:-.03em}
.brand .mark{width:24px;height:24px;margin-top:-2px}
.links{display:flex;gap:26px;font-size:14px;color:var(--taupe)}
.links a{transition:color .2s}
.links a:hover{color:var(--cocoa)}
.nav-end{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:14px}
.signin{color:var(--taupe);transition:color .2s}
.signin:hover{color:var(--cocoa)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 20px;border:0;border-radius:8px;font:600 15px/1 var(--sans);white-space:nowrap;cursor:pointer}
.btn-solid{background:var(--cocoa);color:#FBF8F3;transition:background .2s}
.btn-solid:hover{background:#4A2C1B}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- copy ---------- */
/* one centred column: headline, explanation, then a large form */
.copy{display:flex;flex-direction:column;align-items:center;text-align:center;padding:76px 56px 64px}
.h1{margin:0;font-family:var(--serif);font-optical-sizing:auto;font-size:clamp(44px,5.2vw,70px);font-weight:340;line-height:1.03;letter-spacing:-.024em}
.h1 .ln{display:block}
.lede{max-width:600px;margin-top:24px;font-size:18px;line-height:1.6;color:var(--taupe);text-wrap:balance}
.scan{display:flex;gap:8px;width:100%;max-width:640px;margin-top:36px;padding:8px;background:var(--card);border:1px solid #D9D1C5;border-radius:16px;box-shadow:0 18px 40px -26px rgba(46,26,16,.5);transition:border-color .2s,box-shadow .2s}
.scan:focus-within{border-color:#BFAF9C;box-shadow:0 0 0 5px rgba(46,26,16,.07)}
.scan input{flex:1;min-width:0;border:0;background:transparent;font:500 18px var(--sans);padding:0 16px;color:var(--cocoa);outline:none}
.scan input::placeholder{color:#A39890}
.scan .btn{height:60px;padding:0 30px;border-radius:11px;font-size:17px}
.perks{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 26px;font-size:14.5px;color:var(--taupe)}
.perks li{display:flex;align-items:center;gap:7px}
.tick{flex:none;width:15px;height:15px;fill:none;stroke:var(--sea);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.demo-line{margin-top:14px;font-size:14.5px;color:var(--taupe)}
.demo{color:var(--cocoa);font-weight:600;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:#C9BBAA;transition:text-decoration-color .2s}
.demo:hover{text-decoration-color:var(--cocoa)}

/* ---------- panel: grainy sea-to-harbor gradient that holds the example ---------- */
.panel{position:relative;overflow:hidden;height:calc(450px * var(--s,1));
  background:
    radial-gradient(55% 85% at 8% 78%,rgba(176,226,206,.95) 0%,rgba(176,226,206,0) 72%),
    radial-gradient(45% 70% at 26% 8%,rgba(72,160,150,.9) 0%,rgba(72,160,150,0) 70%),
    linear-gradient(105deg,#4FA596 0%,#257488 42%,#173F63 78%,#14365A 100%)}
.glow{position:absolute;inset:-25%;pointer-events:none;
  background:
    radial-gradient(30% 40% at 30% 60%,rgba(200,238,222,.55),rgba(200,238,222,0) 70%),
    radial-gradient(28% 36% at 78% 30%,rgba(60,150,170,.45),rgba(60,150,170,0) 70%);
  animation:drift 32s ease-in-out infinite alternate}
@keyframes drift{0%{transform:translate3d(-3%,2%,0) scale(1)}100%{transform:translate3d(4%,-3%,0) scale(1.08)}}
.panel::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

.stage{position:absolute;left:50%;top:0;width:1180px;height:450px;transform:translateX(-50%) scale(var(--s,1));transform-origin:50% 0;
  display:flex;align-items:center;justify-content:space-between;padding:0 72px 78px;z-index:1}
.lines{position:absolute;left:0;top:0;overflow:visible;pointer-events:none}
.dots{fill:none;stroke:rgba(255,255,255,.78);stroke-width:2.2;stroke-linecap:round;stroke-dasharray:0 8}
.fx{position:absolute;inset:0;pointer-events:none;z-index:5}
.fx canvas{display:block;width:100%;height:100%}

/* assistant card */
.assistant{position:relative;z-index:2;flex:none;width:262px;padding:18px 18px 16px;background:var(--card);border-radius:14px;box-shadow:var(--shadow)}
.who-row{display:flex;align-items:center;gap:11px}
.avatar{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#DCEFE8;color:#1E5C52;font-size:12.5px;font-weight:600;letter-spacing:.02em}
.who{display:flex;flex-direction:column;line-height:1.25;font-size:13px;color:var(--taupe)}
.who b{font-size:15px;font-weight:600;color:var(--cocoa)}
.ask{margin:14px 0 15px;font-family:var(--serif);font-size:18.5px;line-height:1.32;font-weight:400;letter-spacing:-.005em}
.status{display:flex;align-items:center;gap:8px;padding-top:12px;border-top:1px solid #EEE9E1;font-size:12.5px;font-weight:600;color:var(--taupe)}
.dot{flex:none;width:7px;height:7px;border-radius:50%;background:#CFC6BB;transition:background .4s}
.dot[data-state=busy]{background:var(--cocoa);animation:breathe 1.8s ease-in-out infinite}
.dot[data-state=done]{background:var(--sea)}
@keyframes breathe{50%{opacity:.3}}
.st-wrap{position:relative;flex:1;height:17px;overflow:hidden}
.st-wrap span{position:absolute;left:0;top:0;white-space:nowrap}

/* the Tobira agent tile on the site's edge */
.site-wrap{position:relative;flex:none;width:490px;padding-left:34px}
.tile{position:absolute;left:0;top:50%;width:68px;height:68px;margin-top:-34px;z-index:3;display:grid;place-items:center;background:var(--card);border-radius:18px;box-shadow:var(--shadow)}
.tile .mark{width:28px;height:28px;color:var(--cocoa)}
.ring{position:absolute;inset:0;border-radius:18px;border:2px solid rgba(255,255,255,.95);opacity:0;pointer-events:none}
.handle{position:absolute;right:calc(100% - 24px);top:calc(100% + 12px);font-size:12.5px;font-weight:600;color:#fff;white-space:nowrap;text-shadow:0 1px 8px rgba(10,40,60,.35)}

/* site card */
.site{position:relative;background:var(--card);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.bar{height:44px;display:flex;align-items:center;gap:10px;padding:0 7px 0 46px;border-bottom:1px solid #EEE9E1}
.url{display:flex;align-items:center;gap:6px;min-width:0;font-size:12.5px;color:var(--taupe)}
.url svg{width:12px;height:12px;flex:none;fill:none;stroke:currentColor;stroke-width:1.3}
.url b{font-weight:500;color:var(--cocoa);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tabs{position:relative;margin-left:auto;display:flex;padding:3px;border-radius:8px;background:#F3EFE8}
.tabs button{position:relative;z-index:1;border:0;background:none;padding:5px 10px;border-radius:6px;font-size:12px;font-weight:600;color:var(--taupe);cursor:pointer;transition:color .3s}
.tabs button[aria-selected=true]{color:var(--cocoa)}
.tab-ind{position:absolute;left:0;top:3px;bottom:3px;width:0;border-radius:6px;background:var(--card);box-shadow:0 1px 2px rgba(46,26,16,.14)}

.panes{position:relative;height:276px;overflow:hidden}
.json{position:absolute;inset:0;margin:0;padding:13px 18px 13px 46px;font:11px/19px var(--mono);color:var(--cocoa);white-space:pre;overflow:hidden}
.json i{font-style:normal}
.json .ln{display:block;margin:0 -8px;padding:0 8px;border-radius:4px}
.jk{color:#8A7D72}
.jn{color:#2E7E6E}
.jp{color:#B9AEA3}
[data-k]{transition:background .6s,box-shadow .6s}
[data-k].on{background:var(--sea-tint);box-shadow:inset 2px 0 0 var(--sea)}

.people{position:absolute;inset:0;padding:14px 20px 14px 46px;background:var(--card);font-size:12px;line-height:1.45;will-change:transform}
.people [data-k]{border-radius:4px}
.people span[data-k].on{box-shadow:none}
.ppl-nav{display:flex;align-items:baseline;gap:14px;color:var(--taupe);font-size:11px}
.ppl-nav b{margin-right:auto;font-size:13px;font-weight:700;letter-spacing:-.01em;color:var(--cocoa)}
.ppl-h{margin-top:16px;font-family:var(--serif);font-size:21px;line-height:1.1;font-weight:420;letter-spacing:-.01em;max-width:300px}
.ppl-p{margin-top:8px;color:var(--taupe)}
.ppl-t{margin-top:10px;width:100%;border-collapse:collapse}
.ppl-t td{padding:5px 0;border-top:1px solid #EEE9E1}
.ppl-t tr:last-child td{border-bottom:1px solid #EEE9E1}
.ppl-t td:nth-child(2){color:var(--taupe)}
.ppl-t td:last-child{text-align:right;font-weight:600}
.ppl-book{display:flex;align-items:center;gap:12px;margin-top:12px}
.ppl-btn{padding:7px 12px;border-radius:6px;background:var(--cocoa);color:#fff;font-weight:600;font-size:11.5px}
.ppl-small{margin-top:9px;font-size:11.5px;color:var(--taupe)}

/* message to the owner */
.toast{position:absolute;top:calc(100% + 16px);right:-18px;width:318px;z-index:4}
.note{display:grid;grid-template-columns:30px 1fr;column-gap:12px;align-items:center;padding:12px 16px 12px 13px;background:var(--card);border-radius:12px;box-shadow:var(--shadow)}
.note .badge{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--sea);color:#fff}
.note .badge svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.note b{display:block;font-size:13.5px;font-weight:600;line-height:1.3}
.note span{display:block;font-size:12.5px;line-height:1.35;color:var(--taupe)}

/* packets are drawn on the canvas inside .fx by main.js */

/* ---------- tablet and phone: the example runs top to bottom ---------- */
@media (max-width:899px){
  .frame{margin:0 12px}
  .nav{padding:0 18px;gap:24px}
  .links,.signin{display:none}
  .copy{padding:64px 22px 56px}
  .h1{font-size:clamp(38px,8.6vw,60px);text-wrap:balance}
  .h1 .ln{display:inline}
  .lede{margin-top:22px;max-width:560px;font-size:17px}
  .scan{max-width:580px;margin-top:34px}
  .panel{height:auto}
  .stage{position:relative;left:auto;transform:none;width:auto;height:auto;display:flex;flex-direction:column;align-items:stretch;padding:28px 18px 26px}
  .assistant{width:auto;max-width:440px;align-self:center;width:100%}
  .site-wrap{width:100%;max-width:520px;align-self:center;margin-top:150px;padding-left:0;padding-top:88px}
  .tile{left:50%;top:0;margin:0 0 0 -34px}
  .tile::after{content:"";position:absolute;left:50%;top:100%;height:20px;margin-left:-1px;border-left:2px dotted rgba(255,255,255,.8)}
  .handle{right:auto;left:calc(100% + 12px);top:50%;margin-top:-10px}
  .bar{padding-left:14px}
  .json{padding-left:16px}
  .people{padding-left:18px}
  .panes{height:290px}
  .toast{position:relative;top:auto;right:auto;width:auto;margin-top:14px;min-height:62px}
}
@media (max-width:520px){
  .copy{padding:60px 20px 56px}
  .perks{gap:8px 18px;font-size:14px}
  .lede{font-size:16.5px}
  .scan{flex-direction:column;margin-top:30px;padding:7px;border-radius:14px}
  .scan input{height:52px;font-size:17px;text-align:center}
  .scan .btn{height:56px}
  .json{font-size:9.4px;line-height:17px;padding:10px 12px}
  .panes{height:262px}
  .ppl-nav span{display:none}
  .ppl-h{font-size:18px;margin-top:10px}
  .ppl-t td{padding:4px 0}
  .tabs button{padding:5px 8px;font-size:11px}
  .people{padding:12px 14px}
  .ask{font-size:17px}
}

/* ---------- chat with Tobira's own site agent ---------- */
.chat{position:fixed;right:20px;bottom:20px;z-index:50;display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none}
.chat > *{pointer-events:auto}
/* quiet on purpose: cocoa is kept for the hero's main button */
.chat-launch{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 15px 0 12px;border:1px solid var(--line);border-radius:11px;background:var(--card);color:var(--cocoa);font:600 14px/1 var(--sans);cursor:pointer;box-shadow:0 10px 24px -16px rgba(46,26,16,.45);transition:background .2s,border-color .2s}
.chat-launch:hover{background:#F6F2EC;border-color:#D9D1C5}
.chat-launch svg{width:18px;height:18px}
.chat-panel{width:360px;height:min(520px,calc(100vh - 110px));display:flex;flex-direction:column;background:#FBFAF7;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 30px 60px -28px rgba(46,26,16,.45),0 2px 6px rgba(46,26,16,.06);transform-origin:100% 100%}
.chat-panel[hidden]{display:none}
.chat-head{display:flex;align-items:center;gap:10px;padding:12px 10px 12px 14px;border-bottom:1px solid var(--line);font-size:14.5px}
.chat-mark{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:var(--card);border:1px solid var(--line);color:var(--cocoa)}
.chat-mark svg{width:17px;height:17px}
.chat-x{margin-left:auto;width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:8px;background:none;color:var(--taupe);cursor:pointer;transition:background .2s,color .2s}
.chat-x:hover{background:#F0EBE3;color:var(--cocoa)}
.chat-x svg,.chat-form button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.chat-log{flex:1;overflow-y:auto;padding:16px 14px 8px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}
.msg{max-width:86%;padding:10px 13px;border-radius:12px;font-size:14px;line-height:1.5}
.msg.bot{align-self:flex-start;background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.me{align-self:flex-end;background:var(--cocoa);color:#FBF8F3;border-bottom-right-radius:4px}
.msg a{color:inherit;font-weight:600;text-decoration:underline;text-underline-offset:2px}
.msg.typing{display:flex;gap:4px;padding:13px 14px}
.msg.typing i{width:6px;height:6px;border-radius:50%;background:#B9AEA3;animation:typing 1.2s ease-in-out infinite}
.msg.typing i:nth-child(2){animation-delay:.15s}
.msg.typing i:nth-child(3){animation-delay:.3s}
@keyframes typing{0%,60%,100%{opacity:.35}30%{opacity:1}}
.chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 14px 12px}
.chips:empty{display:none}
.chip{padding:7px 10px;border:1px solid #D9D1C5;border-radius:8px;background:var(--card);font-size:13px;color:var(--cocoa);cursor:pointer;transition:background .2s,border-color .2s}
.chip:hover{background:#F3EFE8;border-color:#C9BBAA}
.chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--card)}
.chat-form input{flex:1;min-width:0;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#FBFAF7;font:500 14px var(--sans);color:var(--cocoa);outline:none;transition:border-color .2s}
.chat-form input:focus{border-color:#BFAF9C}
.chat-form input::placeholder{color:#A39890}
.chat-form button{flex:none;width:42px;height:42px;display:grid;place-items:center;border:0;border-radius:10px;background:var(--cocoa);color:#FBF8F3;cursor:pointer}
.chat.open .chat-launch{display:none}

@media (max-width:520px){
  .chat{right:12px;bottom:12px;left:12px;align-items:flex-end}
  .chat-panel{width:100%;height:min(560px,calc(100vh - 90px))}
}

@media (prefers-reduced-motion:reduce){
  .glow,.dot[data-state=busy],.msg.typing i{animation:none}
}