/* Copyright 2026 Zyvor AI Labs · https://zyvor.dev
 * SPDX-License-Identifier: Apache-2.0
 *
 * Kryton site. System fonts only, no external requests. Light and dark tokens;
 * the manual toggle (data-theme) wins over the OS preference.
 */
:root{
  color-scheme:light;
  --bg:#fff;--bg2:#f5f5f7;--bg3:#ebebef;--text:#1d1d1f;--dim:#5c5c63;--line:rgba(60,60,67,.18);--line2:rgba(60,60,67,.32);--glass:rgba(255,255,255,.82);
  --accent:#0071e3;--accent-h:#0062c4;--on-accent:#ffffff;--link:#0062c4;--accent2:#9b4de0;
  --glow:rgba(0,113,227,.13);--glow2:rgba(155,77,224,.12);
  --ok:#17692c;--ok-bg:#e6f6ea;--warn:#8a4b00;--warn-bg:#fff1dc;
  --code-bg:#0e0f13;--code:#f2f2f5;--code-dim:#9a9aa6;--shadow:0 24px 60px -16px rgba(30,40,80,.28);
  --focus:0 0 0 3px var(--bg),0 0 0 6px var(--link);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#0b0c10;--bg2:#14161c;--bg3:#1e2128;--text:#f5f5f7;--dim:#a6a6b0;--line:rgba(255,255,255,.12);--line2:rgba(255,255,255,.26);--glass:rgba(11,12,16,.82);--accent:#0a84ff;--accent-h:#3395ff;--on-accent:#001a38;--link:#64b0ff;--accent2:#bf5af2;--glow:rgba(10,132,255,.2);--glow2:rgba(191,90,242,.16);--ok:#4ade80;--ok-bg:rgba(74,222,128,.14);--warn:#fbbf24;--warn-bg:rgba(251,191,36,.14);--code-bg:#06070a;--code-dim:#8f8f9c;--shadow:0 30px 80px -14px rgba(0,0,0,.7);}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0b0c10;--bg2:#14161c;--bg3:#1e2128;--text:#f5f5f7;--dim:#a6a6b0;--line:rgba(255,255,255,.12);--line2:rgba(255,255,255,.26);--glass:rgba(11,12,16,.82);--accent:#0a84ff;--accent-h:#3395ff;--on-accent:#001a38;--link:#64b0ff;--accent2:#bf5af2;--glow:rgba(10,132,255,.2);--glow2:rgba(191,90,242,.16);--ok:#4ade80;--ok-bg:rgba(74,222,128,.14);--warn:#fbbf24;--warn-bg:rgba(251,191,36,.14);--code-bg:#06070a;--code-dim:#8f8f9c;--shadow:0 30px 80px -14px rgba(0,0,0,.7);}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:116px}
body{margin:0;position:relative;background:var(--bg);color:var(--text);font:16px/1.55 var(--font);letter-spacing:-.005em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
[hidden]{display:none!important}
a{color:var(--link)}
code,pre{font-family:var(--mono)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px}
.skip{position:absolute;left:12px;top:-80px;z-index:50;background:var(--bg2);color:var(--text);padding:10px 16px;border-radius:99px}.skip:focus{top:12px}

/* page glow and grid */
body::before{content:"";position:absolute;inset:0 0 auto 0;height:900px;z-index:-1;pointer-events:none;
  background:radial-gradient(640px 360px at 15% 0,var(--glow),transparent 70%),radial-gradient(640px 360px at 85% 8%,var(--glow2),transparent 70%)}
body::after{content:"";position:absolute;inset:0 0 auto 0;height:620px;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;
  -webkit-mask-image:linear-gradient(#000,transparent);mask-image:linear-gradient(#000,transparent)}

.bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:8px max(20px,calc((100% - 1120px)/2));background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:700;letter-spacing:.12em;border-radius:10px}
.logo{width:30px;height:30px;border-radius:8px;flex:none}
#sections{display:flex;gap:2px;margin-left:6px;overflow-x:auto;scrollbar-width:none;flex:1}
#sections::-webkit-scrollbar{display:none}
#sections a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;color:var(--dim);text-decoration:none;border-radius:99px;white-space:nowrap;font-size:15px}
#sections a:hover{color:var(--text)}
#sections a[aria-current="true"]{color:var(--text);background:var(--bg3);font-weight:600}
.bar-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:99px;border:1px solid var(--line2);color:var(--text);text-decoration:none;font:inherit;font-weight:600;background:var(--bg2);cursor:pointer}
.btn:hover{background:var(--bg3)}.btn.small{min-height:40px;padding:0 16px;font-size:15px}
.btn.primary{background:var(--accent);border-color:transparent;color:var(--on-accent)}.btn.primary:hover{background:var(--accent-h)}
button.icon{width:44px;height:44px;border-radius:99px;border:1px solid var(--line2);background:transparent;color:var(--text);display:grid;place-items:center;cursor:pointer}
button.icon:hover{background:var(--bg2)}
button.icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.i-sun{display:none}:root[data-theme="dark"] .i-sun{display:block}:root[data-theme="dark"] .i-moon{display:none}

main{width:min(1120px,calc(100% - 40px));margin:0 auto}
section{padding:68px 0}
h1{margin:12px 0 0;font-size:clamp(36px,6vw,64px);line-height:1.05;letter-spacing:-.03em;word-spacing:.05em}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{margin:0;font-size:clamp(26px,3.4vw,38px);line-height:1.12;letter-spacing:-.028em}
h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.kicker{margin:0;color:var(--link);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.lede{max-width:60ch;margin:18px 0 0;color:var(--dim);font-size:19px}.lede strong{color:var(--text)}
.sub{max-width:74ch;color:var(--dim);margin:10px 0 0}
.sub strong{color:var(--text)}

.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-top:76px;padding-bottom:36px}
.hero>*{min-width:0}
.cta{display:flex;gap:14px 22px;align-items:center;margin:28px 0 0;flex-wrap:wrap}
.link{font-weight:600;text-decoration:none}.link:hover{text-decoration:underline}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:26px 0 0;padding:0}
.chips li{font-size:14px;font-weight:600;padding:5px 14px;border-radius:99px;border:1px solid var(--line2);background:var(--bg2)}
.chips .ok{color:var(--ok);background:var(--ok-bg);border-color:transparent}

/* terminal card */
.term{background:var(--code-bg);color:var(--code);border-radius:16px;border:1px solid var(--line2);box-shadow:var(--shadow);overflow:hidden;position:relative}
.term-head{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.1);color:var(--code-dim);font:600 13px var(--mono)}
.term-head i{width:11px;height:11px;border-radius:50%;background:#3a3b44;display:block}
.term-head span{margin-left:8px}
.term pre{margin:0;padding:18px 20px 22px;overflow-x:auto;font-size:14px;line-height:1.7;background:none}
.term .c{color:var(--code-dim)}.term .p{color:var(--accent2);user-select:none}
.term .cur{display:inline-block;width:.6em;height:1.1em;vertical-align:text-bottom;background:var(--code);animation:blink 1.1s steps(2,start) infinite}
@keyframes blink{to{visibility:hidden}}

.band{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line);padding:0}
.band>div{padding:22px 20px;border-left:1px solid var(--line)}.band>div:first-child{border-left:0}
.band b{display:block;font-size:17px}.band span{color:var(--dim);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:18px;padding:22px;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--accent)}
.card p{margin:0;color:var(--dim);font-size:15px}
.card .n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--bg);border:1px solid var(--line2);font:700 13px var(--mono);margin-bottom:12px;color:var(--link)}
code{font-size:.9em}
:not(pre)>code{background:var(--bg3);padding:2px 6px;border-radius:6px;overflow-wrap:anywhere}

.tablewrap{overflow-x:auto;margin-top:24px;border:1px solid var(--line);border-radius:16px}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:15px}
th,td{text-align:left;padding:12px 16px;vertical-align:top;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
thead th{background:var(--bg2);font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--dim)}
td:first-child{font-weight:600}
td:first-child code{white-space:nowrap}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:2px 10px;border-radius:99px;white-space:nowrap}
.tag.ok{color:var(--ok);background:var(--ok-bg)}.tag.warn{color:var(--warn);background:var(--warn-bg)}

.diagram{margin:26px 0 0;border:1px solid var(--line);border-radius:20px;background:var(--bg2);padding:14px;box-shadow:var(--shadow)}
.diagram{overflow-x:auto}
.diagram svg{display:block;width:100%;min-width:760px;height:auto;font-family:var(--font)}
.diagram figcaption{position:sticky;left:0}
.dg-box{fill:var(--bg);stroke:var(--line2);stroke-width:1.5}
.dg-hi{fill:var(--bg);stroke:var(--accent);stroke-width:2.25}
.dg-zone{fill:none;stroke:var(--line2);stroke-width:1.5;stroke-dasharray:6 6}
.dg-t{fill:var(--text);font-size:15px;font-weight:650}
.dg-s{fill:var(--dim);font-size:12.5px}
.dg-z{fill:var(--dim);font-size:12px;font-weight:700;letter-spacing:.08em}
.dg-line{stroke:var(--dim);stroke-width:1.75;fill:none}
.dg-line.hi{stroke:var(--accent);stroke-width:2.25}
.dg-arrow{fill:var(--dim)}
.dg-lbl{fill:var(--dim);font-size:12px;font-family:var(--mono)}
.diagram figcaption,figcaption{margin-top:10px;color:var(--dim);font-size:14px;text-align:center}

pre{background:var(--code-bg);color:var(--code);padding:18px;border-radius:14px;overflow-x:auto;line-height:1.65;font-size:14px;margin:0}
.code{position:relative;margin:14px 0 0}.code pre{padding-right:92px}
.copy{position:absolute;right:10px;top:10px;min-height:38px;padding:0 14px;border-radius:99px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#f5f5f7;font:600 13px var(--font);cursor:pointer}
.copy:hover{background:rgba(255,255,255,.2)}
.copy:focus-visible{box-shadow:0 0 0 3px #0e0f13,0 0 0 6px #fff}
.steps{display:grid;gap:6px}
.support{border:1px solid var(--line2);border-radius:24px;background:var(--bg2);padding:34px;position:relative;overflow:hidden}
.support::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(closest-side,var(--glow),transparent)}
.support>*{position:relative}
.support p{max-width:74ch}
.fine{color:var(--dim);font-size:14px}
footer{border-top:1px solid var(--line);margin-top:24px;padding:28px max(20px,calc((100% - 1120px)/2));color:var(--dim);font-size:14px}
footer p{margin:6px 0}footer a{color:var(--link)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--bg3);color:var(--text);border:1px solid var(--line2);border-radius:99px;padding:10px 18px;box-shadow:var(--shadow);font-size:14px;z-index:30}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:30px;padding-top:44px}
  .bar{flex-wrap:wrap;gap:4px 10px;padding-top:6px;padding-bottom:0}
  #sections{order:3;flex:0 0 100%;margin:0 -6px;padding-bottom:6px}
  .bar-actions .btn:not(.primary){display:none}
  html{scroll-padding-top:120px}
  .band{grid-template-columns:1fr 1fr}.band>div:nth-child(3){border-left:0}.band>div:nth-child(n+3){border-top:1px solid var(--line)}
  .grid,.grid.two{grid-template-columns:1fr}
  section{padding:48px 0}
  .support{padding:24px}
}
@media (max-width:640px){.code{display:flex;flex-direction:column}.copy{position:static;align-self:flex-end;margin:0 0 6px}.code pre{padding-right:18px}}
@media (max-width:420px){.band{grid-template-columns:1fr}.band>div{border-left:0!important}.band>div+div{border-top:1px solid var(--line)}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.term .cur{animation:none}.card{transition:none}}