/* k.zone — shared styles. Single palette, no framework, no external fonts.
   Carried over from the 2026-08-22 landing prototype (approved); extended for the two-door home,
   the enterprise page and the contracts page. */
:root{--bg:#0b0e14;--panel:#11151f;--line:#232a3a;--txt:#e8ecf4;--dim:#8b94a8;
 --gold:#e8b34b;--ok:#6fb08a;--mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-family:var(--mono);
 letter-spacing:.02em;line-height:1.6;-webkit-font-smoothing:antialiased}
body.cn{letter-spacing:.04em;font-family:var(--mono),"PingFang SC","Hiragino Sans GB",sans-serif}
.wrap{max-width:900px;margin:0 auto;padding:0 24px}
a{color:inherit}

header{display:flex;align-items:center;gap:13px;padding:26px 0}
.mark{width:26px;height:26px;flex:none;color:var(--txt)}
h1{font-size:14px;font-weight:700;letter-spacing:.18em}
h1 a{text-decoration:none}
h1 .d{color:var(--gold)}
h1 .ed{color:var(--dim);font-weight:400;letter-spacing:.08em;margin-left:10px}
header nav{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:11.5px}
header nav a{color:var(--dim);text-decoration:none;transition:.2s}
header nav a:hover,header nav a.here{color:var(--txt)}
#lang{font:700 10px/1 var(--mono);letter-spacing:.06em;color:var(--dim);
 border:1px solid var(--line);background:none;padding:5px 7px;cursor:pointer;transition:.2s}
#lang:hover{color:var(--txt);border-color:var(--dim)}

.hero{display:grid;grid-template-columns:1fr 290px;gap:44px;align-items:center;padding:44px 0 32px}
.hero.solo{grid-template-columns:1fr;padding:54px 0 36px}
.lede{font-size:clamp(29px,4.5vw,45px);font-weight:700;line-height:1.24}
.lede .g{color:var(--gold)}
.sub{color:var(--dim);font-size:13.5px;margin-top:20px;max-width:52ch;line-height:1.85}
.stage{aspect-ratio:1;display:flex;align-items:center;justify-content:center;color:var(--txt)}
.stage svg{width:100%;height:auto;overflow:visible}

section{padding:58px 0;border-top:1px solid var(--line)}
.eyebrow{font-size:10px;color:var(--dim);letter-spacing:.32em;margin-bottom:20px}
.claim{font-size:clamp(19px,2.6vw,26px);font-weight:700;line-height:1.42;margin-bottom:9px}
.claim+p,.claim+ul{color:var(--dim);font-size:13px;max-width:62ch}
.stack{display:grid;gap:34px}
.stack p{color:var(--dim);font-size:13px;max-width:62ch}
.stack b,.note b,.door b,.card b{color:var(--txt);font-weight:600}
.engines{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.engines span{font-size:11px;color:var(--dim);border:1px solid var(--line);padding:5px 11px;letter-spacing:.06em}

/* Two doors on the home page */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.door{display:block;text-decoration:none;border:1px solid var(--line);padding:24px 22px 22px;
 background:var(--panel);transition:.2s;
 clip-path:polygon(0 0,100% 0,100% calc(100% - 13px),calc(100% - 13px) 100%,0 100%)}
.door:hover,.door:focus-visible{border-color:var(--dim);background:linear-gradient(135deg,rgba(232,179,75,.07),var(--panel) 60%);outline:none}
.door .k{font-size:10px;color:var(--dim);letter-spacing:.32em}
.door .t{font-size:22px;font-weight:700;margin:10px 0 8px}
.door .t .g{color:var(--gold)}
.door p{color:var(--dim);font-size:12.5px;line-height:1.8;max-width:40ch}
.door .go{display:inline-block;margin-top:18px;font-size:11px;letter-spacing:.12em;color:var(--gold)}

/* Contracts: one row per contract, two columns of "what it looks like" */
.contracts{border-top:1px solid var(--line)}
.ct{display:grid;grid-template-columns:150px 1fr 1fr;gap:18px;padding:18px 2px;border-bottom:1px solid var(--line);align-items:start}
.ct b{font-size:14px;letter-spacing:.02em}
.ct span{color:var(--dim);font-size:12.5px;line-height:1.75}
.ct .h{font-size:10px;color:var(--dim);letter-spacing:.28em}
.ct.head{padding:10px 2px}

/* Cards (three things / five screens) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cards.five{grid-template-columns:repeat(5,1fr)}
.card{border:1px solid var(--line);padding:16px 15px;background:var(--panel)}
.card .k{font-size:10px;color:var(--dim);letter-spacing:.28em}
.card b{display:block;font-size:14px;margin:8px 0 6px}
.card p{color:var(--dim);font-size:12px;line-height:1.75}

/* Loop (how growth works) */
.loop{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--dim);margin-top:18px}
.loop span{border:1px solid var(--line);padding:6px 10px}
.loop i{color:var(--gold);font-style:normal}

/* Steps + comparison */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:6px}
.step{border-left:2px solid var(--gold);padding:2px 0 2px 14px}
.step b{display:block;font-size:14px;margin-bottom:5px}
.step p{color:var(--dim);font-size:12.5px;line-height:1.75}
table.cmp{width:100%;border-collapse:collapse;margin-top:26px;font-size:12.5px}
table.cmp th,table.cmp td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--dim)}
table.cmp th{font-size:10px;letter-spacing:.2em;color:var(--dim);font-weight:400}
table.cmp td:first-child{color:var(--txt);white-space:nowrap}
table.cmp td.us{color:var(--txt);background:linear-gradient(90deg,rgba(232,179,75,.07),transparent)}

/* Honesty box: the one block we will not let marketing soften */
.honest{border:1px solid var(--gold);padding:18px 20px;margin-top:8px;
 clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%)}
.honest .k{font-size:10px;color:var(--gold);letter-spacing:.32em;margin-bottom:12px}
.honest li{color:var(--dim);font-size:12.5px;line-height:1.8;margin-left:18px}

pre{background:var(--panel);border:1px solid var(--line);padding:16px 18px;font-size:12.5px;
 overflow-x:auto;letter-spacing:0;
 clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%)}
pre .c{color:var(--dim)}
.note{font-size:12px;color:var(--dim);margin-top:15px;max-width:62ch;line-height:1.8}
.cta{display:inline-block;margin-top:22px;font-size:12px;letter-spacing:.1em;color:var(--gold);text-decoration:none;border:1px solid var(--gold);padding:10px 16px;transition:.2s}
.cta:hover{background:rgba(232,179,75,.1)}
footer{padding:40px 0 56px;color:var(--dim);font-size:11px;border-top:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap}
footer a{text-decoration:none}

@media(max-width:740px){
 .hero{grid-template-columns:1fr;gap:26px;padding-top:24px}
 .stage{max-width:200px;margin:0 auto;order:-1}
 header nav a{display:none}
 .doors,.cards,.cards.five,.steps{grid-template-columns:1fr}
 .ct{grid-template-columns:1fr;gap:6px}
 .ct.head{display:none}
}
@media(prefers-reduced-motion:reduce){.stage polygon{transition:none!important}}

/* Screenshots: the product speaks before the copy does. Every frame keeps the app's own
   "Simulated agent · Synthetic data" bar — the label is in the pixels, not only in the caption. */
figure.shot{margin:26px 0 0;border:1px solid var(--line);background:var(--panel);padding:6px;
 clip-path:polygon(0 0,100% 0,100% calc(100% - 13px),calc(100% - 13px) 100%,0 100%)}
figure.shot img{display:block;width:100%;height:auto}
figure.shot figcaption{font-size:11px;color:var(--dim);padding:10px 6px 6px;letter-spacing:.04em}
figure.shot figcaption b{color:var(--txt);font-weight:600}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.shots figure.shot{margin:0}
.shots figure.shot.wide{grid-column:1/-1}
@media(max-width:740px){.shots{grid-template-columns:1fr}}