/* Interlock landing — "Sagebrush" palette. Warm paper + deep pine.
   Zero build toolchain: plain CSS, served static. */
:root{
  --paper:#FAF6EF;
  --paper-2:#F3ECE0;
  --card:#FFFFFF;
  --ink:#211E18;
  --ink-2:#4A463D;
  --muted:#6E685C;
  --line:#E4DACB;
  --line-2:#D6CBB8;
  --pine:#2F6B4F;
  --pine-deep:#245640;
  --pine-tint:#E7F0EA;
  --amber:#B5771A;
  --amber-tint:#FBF0DC;
  --red:#BB4034;
  --red-tint:#FBE7E4;
  --green:#2E8B58;
  --green-tint:#E6F3EB;
  --focus:#1C5EBB;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(33,30,24,.05), 0 6px 20px rgba(33,30,24,.06);
  --shadow-lg:0 2px 6px rgba(33,30,24,.06), 0 16px 40px rgba(33,30,24,.10);
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--pine-deep);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
h1,h2,h3{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:600}
p{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--pine)}
.section{padding:76px 0}
.section-head{max-width:660px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.4vw,36px);margin:12px 0 14px}
.section-head p{color:var(--ink-2);font-size:17px}

/* ---------- Nav ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(250,246,239,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1080px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand svg{display:block}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink-2);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:15px;padding:11px 18px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:transform .08s ease,background .15s ease,box-shadow .15s ease;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--pine);color:#fff}
.btn-primary:hover{background:var(--pine-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--paper-2)}
.btn:active{transform:translateY(1px)}
@media(max-width:760px){.nav-links a.navlink{display:none}}

/* ---------- Hero ---------- */
.hero{padding:64px 0 24px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:
   radial-gradient(60% 50% at 82% 0%, rgba(47,107,79,.07), transparent 70%),
   radial-gradient(50% 45% at 8% 20%, rgba(181,119,26,.06), transparent 70%);
   pointer-events:none}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(34px,5.2vw,56px);font-weight:700;letter-spacing:-.03em;max-width:15ch}
.hero .sub{font-size:clamp(17px,2vw,20px);color:var(--ink-2);max-width:56ch;margin:20px 0 12px}
.thesis{font-size:15.5px;color:var(--muted);max-width:60ch;margin-top:6px}
.thesis b{color:var(--ink-2);font-weight:600}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.positioning{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.chip{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 13px}
.chip b{color:var(--pine-deep)}

/* ---------- Install-first hero grid ---------- */
.hero-grid{display:grid;grid-template-columns:1fr 1.06fr;gap:46px;align-items:center;margin-top:30px}
.hero-grid>*{min-width:0}
.hero-left h1{margin-top:14px}
.hero-left .sub{margin:16px 0 4px}

/* install block */
.install{margin-top:28px}
.install-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.install-title{font-size:13px;font-family:var(--mono);font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--pine)}
.viewscript{font-size:12.5px;font-family:var(--mono);color:var(--muted)}
.viewscript:hover{color:var(--ink-2)}
.install-tabs{display:inline-flex;gap:4px;background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:3px}
.install-tab{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--ink-2);background:transparent;border:0;border-radius:999px;padding:6px 13px;cursor:pointer;transition:background .12s ease,color .12s ease}
.install-tab:hover{color:var(--ink)}
.install-tab[aria-selected="true"]{background:var(--pine);color:#fff}
.install-cmd[hidden]{display:none}
.install-more{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--muted)}
.install-more .mono{font-size:12.5px}

/* ---------- Claude Code decision demo ---------- */
.terminal{background:#1a1c26;border:1px solid #2b2e3d;border-radius:14px;overflow:hidden;box-shadow:var(--shadow-lg)}
.term-bar{display:flex;align-items:center;gap:9px;padding:12px 16px;background:#15161f;border-bottom:1px solid #262838}
.term-dots{display:inline-flex;gap:7px}
.term-dots i{width:11px;height:11px;border-radius:50%;display:block}
.term-dots i:nth-child(1){background:#ec6a5e}.term-dots i:nth-child(2){background:#f4bf4f}.term-dots i:nth-child(3){background:#61c554}
.term-title{font-family:var(--mono);font-size:12px;color:#727892;margin-left:6px}
.cc{margin:0;padding:20px 22px 22px;font-family:var(--mono);font-size:13.5px;line-height:1.65;color:#c7cbdb}
.cc-row{display:flex;gap:11px}
.cc-row+.cc-row{margin-top:3px}
.cc-gap{height:15px}
.cc-dot{flex:none;width:10px;text-align:center;line-height:inherit}
.cc-dot.say{color:#c7cbdb}
.cc-dot.ok{color:#7ee787}
.cc-dot.err{color:#ff8595}
.cc-body{min-width:0;white-space:pre-wrap;word-break:break-word}
.cc-say{color:#c1c6d8}
.cc-tool b{color:#eef0f8;font-weight:600}
.cc-arg{color:#84a9ff}
.cc-out{padding-left:21px;white-space:pre-wrap;word-break:break-word;color:#6c7290;margin-top:2px}
.cc-pipe{color:#565d7a}
.cc-deny{color:#ff8595}
.cc-deny b{color:#ffa7b1;font-weight:600}
.cc-allow{color:#7ee787}
.cc-id{color:#84a9ff}
.cc-sub{color:#727892}
.cc-caret{display:inline-block;width:8px;height:15px;background:#7ee787;vertical-align:-2px;margin-left:3px;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
/* input box + status footer */
.cc-input{display:flex;align-items:center;gap:10px;margin:16px 16px 0;padding:12px 14px;border:1px solid #2b2e3d;border-radius:10px;background:#12141c;font-family:var(--mono);font-size:13px}
.cc-input .cc-prompt{color:#84a9ff;font-weight:600}
.cc-input .cc-ph{color:#5b6180}
.cc-caret2{display:inline-block;width:8px;height:15px;background:#c7cbdb;vertical-align:-2px;animation:blink 1.05s steps(1) infinite}
.cc-status{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:11px 18px 15px;font-family:var(--mono);font-size:12px;color:#727892}
.cc-status .cc-mode{color:#f4bf4f}
.cc-status .cc-dim{color:#565d7a}
.cc-status .cc-goal{display:inline-flex;align-items:center;gap:7px}
.cc-status .cc-goaldot{color:#7ee787;font-size:9px;line-height:1}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .terminal{order:2}
}

/* ---------- Gallery ---------- */
.gallery-panel{margin-top:44px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}
.gallery-top{padding:20px 22px 6px}
.gallery-top .menu-title{font-size:14px;font-weight:600;color:var(--ink)}
.gallery-top .menu-title span{font-family:var(--mono);font-weight:500;color:var(--muted);font-size:12.5px;display:block;margin-top:3px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:16px 22px 8px}
.cards.secondary{grid-template-columns:repeat(2,1fr);padding-top:0;padding-bottom:20px}
.cards>*{min-width:0}
.tcard{text-align:left;background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:16px 15px;cursor:pointer;font-family:var(--sans);transition:border-color .12s ease,background .12s ease,transform .08s ease;display:flex;flex-direction:column;gap:7px}
.tcard:hover{border-color:var(--line-2);transform:translateY(-2px)}
.tcard[aria-pressed="true"]{border-color:var(--pine);background:var(--pine-tint);box-shadow:0 0 0 1px var(--pine) inset}
.tcard .tk{font-family:var(--mono);font-size:11.5px;color:var(--pine);font-weight:500}
.tcard .tt{font-size:16px;font-weight:600;color:var(--ink)}
.tcard .ts{font-size:13.5px;color:var(--ink-2);line-height:1.5}
.tcard.small{padding:13px 14px}
.tcard.small .tt{font-size:15px}
.tcard.small .ts{font-size:12.8px}

.gallery-detail{border-top:1px solid var(--line);background:var(--paper-2);padding:20px 22px 22px}
.detail-cmd-label{font-size:13px;color:var(--muted);margin-bottom:8px}
.detail-cmd-label b{color:var(--ink);font-weight:600}
.rules-block{margin-top:18px}
.rules-block h4{font-size:13px;font-weight:600;color:var(--ink);margin:0 0 10px;font-family:var(--mono);text-transform:none}
.rule{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);padding:6px 0;border-top:1px dashed var(--line-2)}
.rule:first-of-type{border-top:0}
.rule .dot{flex:0 0 auto;margin-top:7px;width:7px;height:7px;border-radius:50%}
.dot.allow{background:var(--green)}.dot.deny{background:var(--red)}.dot.req{background:var(--amber)}
.rule code{font-family:var(--mono);font-size:12.5px;background:var(--card);border:1px solid var(--line);border-radius:5px;padding:1px 5px;color:var(--ink)}
.reveal-note{font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- Code / terminal ---------- */
.code{position:relative;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;max-width:100%}
.code.dark{background:#221F19;border-color:#3a352b}
.code-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--paper);font-family:var(--mono);font-size:12px;color:var(--muted)}
.code.dark .code-bar{background:#1b1813;border-color:#3a352b;color:#a59b88}
.code pre{margin:0;padding:14px 16px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.65;color:var(--ink)}
.code.dark pre{color:#EDE7DA}
.code pre::selection,.code pre *::selection{background:rgba(47,107,79,.25)}
.copy{border:1px solid var(--line-2);background:var(--card);color:var(--ink-2);font-family:var(--mono);font-size:11.5px;font-weight:500;padding:5px 10px;border-radius:7px;cursor:pointer;transition:background .12s ease,color .12s}
.copy:hover{background:var(--paper-2)}
.copy.ok{background:var(--green-tint);color:var(--green);border-color:var(--green)}
.code.dark .copy{background:#2c2820;color:#cfc6b4;border-color:#463f33}
.code.dark .copy:hover{background:#352f26}
.code.dark .copy.ok{background:rgba(46,139,88,.2);color:#7ed6a0;border-color:#3a7a54}
.cmd-line{display:block}
.cmd-line .pmt{color:var(--pine);user-select:none}

/* ---------- Contrast (deterministic, not vibes) ---------- */
.contrast{display:grid;grid-template-columns:1fr 44px 1fr;gap:0;align-items:stretch}
.contrast>*{min-width:0}
.contrast .col{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.contrast .col.enforced{border-color:var(--line-2)}
.contrast .lbl{display:inline-flex;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:999px;margin-bottom:14px}
.contrast .col.today .lbl{background:var(--paper-2);color:var(--muted)}
.contrast .col.enforced .lbl{background:var(--pine-tint);color:var(--pine-deep)}
.contrast h3{font-size:18px;margin-bottom:9px}
.contrast p{font-size:14.5px;color:var(--ink-2)}
.contrast .ex{margin-top:16px;font-family:var(--mono);font-size:12px;line-height:1.6;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px}
.contrast .ex .no{color:var(--red)}
.contrast .ex .yes{color:var(--green)}
.contrast .mid{display:grid;place-items:center;color:var(--line-2)}
.contrast .mid svg{display:block}
/* contrast: markdown skill (left) + policy language switcher (right) */
.contrast .code{margin-top:14px}
.contrast .code pre{font-size:12px;line-height:1.6;padding:12px 14px}
.contrast .code-bar .tag{background:var(--paper-2);color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 9px;font-size:11px;font-weight:500}
.mdfile .md-h{color:var(--pine);font-weight:600}
.mdfile .md-b{color:var(--ink);font-weight:600}
.mdfile .md-code{font-family:var(--mono);background:var(--paper-2);border:1px solid var(--line);border-radius:5px;padding:0 5px}
.contrast .lang-head{margin-top:16px}
.contrast .lang-head .install-tabs{display:flex;flex-wrap:wrap}
.code.dark .tok-c{color:#8f8672}
.code.dark .tok-s{color:#d8a657}
.code.dark .tok-m{color:#8fcfa6}
.punch{margin-top:22px;font-size:15px;color:var(--ink-2);max-width:660px}
.punch b{color:var(--pine-deep)}
@media(max-width:720px){
  .contrast{grid-template-columns:1fr}
  .contrast .mid{padding:10px 0}
  .contrast .mid svg{transform:rotate(90deg)}
}

/* ---------- Honesty ---------- */
.honesty-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;align-items:start}
.honesty-grid>*{min-width:0}
.honest-item{padding:16px 0;border-top:1px solid var(--line)}
.honest-item:first-child{border-top:0;padding-top:0}
.honest-item h3{font-size:16px;margin-bottom:5px}
.honest-item p{font-size:14.5px;color:var(--ink-2)}
.caveat{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow)}
.caveat .q{font-size:16px;font-style:italic;color:var(--ink);line-height:1.5}
.principles{margin-top:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px}
.principles h4{font-size:13px;font-family:var(--mono);color:var(--pine);margin:0 0 12px;font-weight:500}
.principles ol{margin:0;padding-left:20px}
.principles li{font-size:14px;color:var(--ink-2);margin-bottom:7px}
.principles li b{color:var(--ink);font-weight:600}

/* ---------- Works with your agent ---------- */
.agent-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.agents-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.agents-grid>*{min-width:0}
.agent-how h3{font-size:16px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.agent-how h3 .opt{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:3px 9px}
.agent-how>p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}

/* ---------- Install ---------- */
.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.install-grid>*{min-width:0}
.install-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px;font-size:14px;color:var(--ink-2)}
.install-note span{display:inline-flex;align-items:center;gap:7px}
.install-note .dotk{width:8px;height:8px;border-radius:50%;background:var(--pine)}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);background:var(--paper-2);padding:40px 0 48px;margin-top:20px}
.foot-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-brand{max-width:44ch}
.foot-brand p{font-size:13.5px;color:var(--muted);margin-top:10px}
.foot-links{display:flex;gap:48px;flex-wrap:wrap}
.foot-col h5{font-size:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 12px;font-weight:500}
.foot-col a{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.foot-fine{margin-top:28px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px}

@media(max-width:860px){
  .honesty-grid,.install-grid,.agents-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .cards.secondary{grid-template-columns:1fr}
}
@media(max-width:760px){
  .section{padding:56px 0}
  .hero{padding:44px 0 16px}
}

/* ---------- Hero headline accent + Footprint/Guarantee cards ---------- */
.hero h1 .no{color:var(--amber)}
.hero h1 .one{color:var(--pine-deep)}
.duo{display:flex;gap:12px;margin:22px 0 22px;flex-wrap:wrap}
.duo .stat{flex:1 1 210px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 15px;box-shadow:var(--shadow)}
.duo .stat .k{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:7px}
.duo .stat .k .d{width:8px;height:8px;border-radius:50%}
.duo .stat.small .k .d{background:var(--pine)}
.duo .stat.hard .k .d{background:var(--amber)}
.duo .stat .v{font-size:15px;font-weight:600;margin-top:5px;color:var(--ink)}
.duo .stat .v span{color:var(--muted);font-weight:400}

/* ---------- Reframe strip: why not MCP / sandbox ---------- */
.strip{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0 60px}
.strip .strip-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.strip .strip-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;font-weight:600;max-width:24ch;margin-top:10px}
.strip .picker{display:flex;gap:6px;flex-wrap:wrap}
.strip .pick{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);background:var(--card);border:1px solid var(--line-2);border-radius:999px;padding:6px 13px;cursor:pointer;transition:.14s}
.strip .pick:hover{border-color:var(--pine);color:var(--pine-deep)}
.strip .pick[aria-pressed="true"]{background:var(--pine);border-color:var(--pine);color:#fff}
.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.mini .m{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 16px 18px;display:flex;flex-direction:column;gap:10px}
.mini .m.win{border-color:#BFD8C9;box-shadow:0 3px 8px rgba(47,107,79,.10),0 20px 44px rgba(47,107,79,.14);position:relative}
.mini .m.win:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--pine);border-radius:var(--radius) var(--radius) 0 0}
.mini .m .mh{display:flex;align-items:center;gap:10px}
.mini .m .mi{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--paper-2);border:1px solid var(--line);flex:none}
.mini .m .mn{font-size:16px;font-weight:600}
.mini .m .mk{font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.mini .badge{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:13.5px;padding:7px 12px;border-radius:999px;align-self:flex-start;opacity:0;transform:translateY(6px);transition:opacity .4s ease,transform .4s ease}
.mini.running .m .badge{opacity:1;transform:none}
.mini.running .m:nth-child(1) .badge{transition-delay:.03s}
.mini.running .m:nth-child(2) .badge{transition-delay:.28s}
.mini.running .m:nth-child(3) .badge{transition-delay:.55s}
.mini .badge.warn{background:var(--amber-tint);color:#8a5a12;border:1px solid #E7CE9C}
.mini .badge.block{background:var(--red-tint);color:#93312a;border:1px solid #E6BDB6}
.mini .badge.deny{background:var(--pine-tint);color:var(--pine-deep);border:1px solid #BFD8C9}
.mini .m .mt{font-size:14px;color:var(--ink-2);opacity:0;transition:opacity .4s ease;transition-delay:inherit;line-height:1.55}
.mini.running .m .mt{opacity:1}
.mini .m .mt b{color:var(--ink)}
.footline{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:24px;flex-wrap:wrap;font-size:15px;color:var(--ink-2)}
.footline .pill{font-family:var(--mono);font-size:12.5px;background:var(--card);border:1px solid var(--line-2);border-radius:999px;padding:5px 12px}
.footline .pill.infra{color:#8a5a12}
.footline .pill.file{color:var(--pine-deep);border-color:#BFD8C9;background:var(--pine-tint)}
.footline b{color:var(--ink)}
.strip-punch{text-align:center;margin-top:16px;font-size:16px;color:var(--ink-2)}
.strip-punch b{color:var(--ink)}
@media(max-width:820px){.mini{grid-template-columns:1fr}}