/* KRYPHS shared styles: base, layout, type, header, footer, buttons, claim tags.
   Colours and fonts come from tokens.css only. Board components live in board.css, page sections in pages.css. */
@layer tokens, base, components, sections, utilities;

@layer base{
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;scrollbar-color:var(--line-strong) var(--bg);hanging-punctuation:first}
  @media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
  body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;caret-color:var(--accent);-webkit-tap-highlight-color:transparent;overflow-x:clip}
  ::selection{background:var(--selection);color:var(--text)}
  img,svg{display:block;max-width:100%}
  h1,h2,h3,h4{font-family:var(--head);font-weight:700;margin:0;text-wrap:balance;color:var(--text)}
  p{margin:0;text-wrap:pretty}
  ul,ol{margin:0;padding:0}
  a{color:var(--accent-text);text-decoration-thickness:1px;text-underline-offset:3px}
  a:hover{text-decoration-thickness:2px}
  button{font:inherit;color:inherit}
  table{border-collapse:collapse}
  :focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;border-radius:6px}
  [hidden]{display:none!important}
  .sprite{position:absolute;width:0;height:0;overflow:hidden}
  .ico{width:1em;height:1em;flex:none;fill:currentColor}
  b,strong{font-weight:600}
  .num{font-variant-numeric:tabular-nums}
}

@layer components{
  /* layout */
  .wrap{--gutter:clamp(20px, 4vw, 44px);width:min(1240px, 100% - 2 * var(--gutter));margin-inline:auto}
  .section{padding-block:clamp(72px, 9vw, 128px)}
  .section.tight{padding-block:clamp(56px, 7vw, 96px)}
  .band{background:var(--bg-2)}
  .rule-top{border-top:1px solid var(--line)}

  /* type */
  .display{font-size:clamp(44px, 6.6vw, 94px);line-height:.97;letter-spacing:-.032em;font-weight:700}
  .h2{font-size:clamp(32px, 4.4vw, 58px);line-height:1.02;letter-spacing:-.028em}
  .h3{font-size:clamp(21px, 2vw, 25px);line-height:1.15;letter-spacing:-.02em;font-weight:650}
  .lead{font-size:clamp(18px, 1.5vw, 20px);line-height:1.55;color:var(--muted);max-width:62ch}
  .muted{color:var(--muted)}
  .fine{font-size:14px;line-height:1.5;color:var(--muted)}
  .label{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .sec-head{display:grid;gap:18px;max-width:780px;margin-block-end:clamp(36px, 5vw, 64px)}
  .sec-head.split{max-width:none;grid-template-columns:minmax(0, 1.25fr) minmax(0, 1fr);align-items:end;column-gap:clamp(24px, 5vw, 80px)}
  @media (max-width:860px){.sec-head.split{grid-template-columns:1fr}}

  /* the wordmark: kept byte-for-byte from the 2026-09-19 page (tools/check.js compares it) */
  .logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.08em;text-decoration:none}
  .logo-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center}
  .logo-mark span{width:12px;height:12px;border:3px solid var(--on-accent);border-radius:3px}
  .logo{color:var(--text);min-height:44px}

  /* buttons */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;font-family:var(--body);font-size:16px;font-weight:600;line-height:1.15;letter-spacing:-.005em;text-decoration:none;white-space:nowrap;cursor:pointer;touch-action:manipulation;transition:background-color .2s var(--ease-out), border-color .2s var(--ease-out), color .2s var(--ease-out), transform .12s var(--ease-out)}
  .btn:active{transform:translateY(1px) scale(.985)}
  .btn .ico{width:18px;height:18px;transition:transform .25s var(--ease-out)}
  .btn-primary{background:var(--accent);color:var(--on-accent)}
  .btn-ghost{background:transparent;color:var(--text);border-color:var(--control-line)}
  .btn-light{background:var(--white);color:var(--ink)}
  .btn-lg{min-height:56px;padding:0 28px;font-size:17px}
  .btn-sm{min-height:44px;padding:0 18px;font-size:15px}
  @media (hover:hover) and (pointer:fine){
    .btn-primary:hover{background:var(--accent-bright);text-decoration:none}
    .btn-ghost:hover{border-color:var(--text);text-decoration:none}
    .btn-light:hover{background:var(--paper);text-decoration:none}
    .btn:hover .ico-go{transform:translateX(3px)}
  }
  .ctas{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
  .text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--accent-text);text-decoration:none;min-height:44px}
  .text-link .ico{width:17px;height:17px;transition:transform .25s var(--ease-out)}
  @media (hover:hover) and (pointer:fine){.text-link:hover .ico{transform:translateX(3px)}.text-link:hover{text-decoration:underline}}

  /* skip link */
  .skip{position:absolute;inset-inline-start:16px;top:-80px;z-index:100;padding:12px 18px;border-radius:var(--r-pill);background:var(--accent);color:var(--on-accent);font-weight:600;text-decoration:none}
  .skip:focus{top:12px}

  /* header */
  .site-nav{position:sticky;top:0;z-index:50;transition:background-color .25s var(--ease-out), box-shadow .25s var(--ease-out), backdrop-filter .25s}
  .site-nav.scrolled,.site-nav.open{background:color-mix(in srgb, var(--bg) 86%, transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 var(--line)}
  .nav-row{display:flex;align-items:center;gap:28px;min-height:72px}
  .nav-links{display:flex;align-items:center;gap:4px;margin-inline-start:12px}
  .nav-links a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .2s var(--ease-out), background-color .2s var(--ease-out)}
  .nav-links a[aria-current="page"]{color:var(--text)}
  .nav-links a[aria-current="page"]::after{content:"";position:absolute;inset-inline:14px;bottom:6px;height:2px;border-radius:2px;background:var(--accent)}
  @media (hover:hover) and (pointer:fine){.nav-links a:hover{color:var(--text);background:var(--surface-2)}}
  .nav-end{display:flex;align-items:center;gap:10px;margin-inline-start:auto}
  .icon-btn{display:grid;place-items:center;width:44px;height:44px;padding:0;border-radius:var(--r-pill);border:1px solid var(--control-line);background:transparent;color:var(--text);cursor:pointer;touch-action:manipulation;transition:border-color .2s var(--ease-out)}
  .icon-btn .ico{width:19px;height:19px}
  @media (hover:hover) and (pointer:fine){.icon-btn:hover{border-color:var(--line-strong)}}
  .theme-toggle .t-sun{display:none}
  :root[data-theme="dark"] .theme-toggle .t-sun{display:block}
  :root[data-theme="dark"] .theme-toggle .t-moon{display:none}
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]) .theme-toggle .t-sun{display:block}
    :root:not([data-theme="light"]) .theme-toggle .t-moon{display:none}
  }
  .menu-btn{display:none}
  .menu-btn .x{display:none}
  .site-nav.open .menu-btn .x{display:block}
  .site-nav.open .menu-btn .bars{display:none}
  .menu-only{display:none!important}

  @media (max-width:900px){
    .nav-row{gap:12px;min-height:64px}
    .menu-btn{display:grid}
    .nav-cta-book{display:none}
    .nav-links{position:absolute;inset-inline:0;top:100%;display:grid;gap:0;margin:0;padding:8px var(--gutter, 20px) 28px;background:var(--bg);box-shadow:0 1px 0 var(--line), 0 30px 40px -30px var(--shadow-ink);visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .22s var(--ease-out), transform .22s var(--ease-out), visibility 0s .22s}
    .site-nav.open .nav-links{visibility:visible;opacity:1;transform:none;transition:opacity .25s var(--ease-out), transform .25s var(--ease-out)}
    .nav-links a{min-height:60px;padding:0 4px;border-radius:0;border-bottom:1px solid var(--line);font-family:var(--head);font-size:26px;font-weight:600;letter-spacing:-.02em;color:var(--text)}
    .nav-links a[aria-current="page"]::after{inset-inline:auto 4px;bottom:auto;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%}
    .nav-links .menu-only{display:flex!important}
    .nav-links .btn.menu-only{margin-top:20px;border-bottom:0;font-family:var(--body);font-size:17px;color:var(--on-accent);justify-content:center}
  }

  /* footer: always dark, it is the board's wall */
  .site-footer{background:var(--board);color:var(--blade-ink);padding-block:clamp(56px, 7vw, 88px) 28px;margin-top:0}
  .site-footer .logo{color:var(--blade-ink)}
  .foot-grid{display:grid;grid-template-columns:minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));gap:40px}
  .foot-brand p{margin-top:16px;max-width:32ch;color:var(--blade-dim);font-size:15px;line-height:1.55}
  .foot-h{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--blade-dim);margin-bottom:12px}
  .nav-sentinel{position:absolute;top:0;left:0;width:1px;height:10px;pointer-events:none;visibility:hidden}
  .foot-col ul{list-style:none;display:grid;gap:2px}
  .foot-col a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;color:var(--blade-ink);font-size:15px;text-decoration:none}
  @media (hover:hover) and (pointer:fine){.foot-col a:hover{text-decoration:underline}}
  .foot-base{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:clamp(40px, 6vw, 72px);padding-top:22px;border-top:1px solid var(--board-rule);font-size:14px;color:var(--blade-dim)}
  .motion-toggle{min-height:44px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--board-rim);background:transparent;color:var(--blade-dim);font-size:14px;cursor:pointer}
  .reduce-sys .motion-toggle{display:none}
  .site-footer :focus-visible{outline-color:var(--accent-soft)}
  @media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1 / -1}}
  @media (max-width:520px){.foot-grid{grid-template-columns:1fr;gap:28px}}

  /* claim status, rendered from CLAIMS.md (Yacine, 2026-10-02):
     live is plain; pilot carries the "In pilot" tag; roadmap only inside .coming-next; unknown never shown. */
  .in-pilot{display:inline-flex;align-items:center;gap:6px;margin-inline-start:8px;padding:1px 9px 1px 8px;border-radius:var(--r-pill);border:1px solid color-mix(in srgb, var(--accent) 40%, transparent);background:var(--accent-wash);color:var(--accent-text);font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.08em;line-height:1.7;text-transform:uppercase;white-space:nowrap;vertical-align:.12em}
  .in-pilot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
  .pilot-legend{display:block;font-size:14px;line-height:1.7;color:var(--muted)}
  .pilot-legend .in-pilot{margin-inline:0 8px}
  .coming-next{display:grid;grid-template-columns:auto minmax(0, 1fr);align-items:center;gap:10px 18px;padding:16px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-md);color:var(--muted);font-size:15px}
  .coming-next ul{list-style:none}
  .coming-label{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--text)}
  @media (max-width:560px){.coming-next{grid-template-columns:1fr}}

  /* the example tag every mock carries */
  .tag-example{display:inline-flex;align-items:center;padding:2px 9px;border-radius:var(--r-pill);border:1px solid currentColor;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase}
}

@layer utilities{
  .sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important;border:0!important}
}