/* ============================================================================
   ironllmlabs — base theme
   Derived from static/effectiveContextEngineering/contextengineering.css.
   All colors, fonts, spacing, radii, shadows and motion are defined here as
   custom properties. No external resources (no Google Fonts, no CDN): every
   referenced font/icon/svg is a local file under /assets. Edit the palette in
   the :root block only — every rule below reads from those tokens.
   ========================================================================== */

/* ----------------------------------------------------------------------------
   Fonts — local only, served from /assets/fonts (downloaded from Google Fonts,
   OFL-licensed, variable 400-700, latin subset). System stacks remain as
   fallbacks if the files are missing.
   ---------------------------------------------------------------------------- */
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/Inter-var-latin.woff2") format("woff2");
  font-weight:400 700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"JetBrains Mono";
  src:url("/assets/fonts/JetBrainsMono-var-latin.woff2") format("woff2");
  font-weight:400 700;font-style:normal;font-display:swap;
}

:root{
  color-scheme: light;

  /* ---- color primitives (raw palette, no semantics) ---- */
  --c-navy-900:#0a1b2e;
  --c-navy-800:#0d2035;
  --c-navy-700:#122a44;
  --c-ink-900:#16232f;
  --c-ink-600:#435364;
  --c-ink-500:#6b7c8f;
  --c-line-200:#dfe5ec;
  --c-line-100:#eef2f6;
  --c-white:#ffffff;
  --c-bg-alt:#f6f8fb;
  --c-bg-tint:#fbfcfd;
  --c-accent:#c85a3c;
  --c-accent-lift:#e08b6a;
  /* comparison series A/B/C — one palette, themed per mode via semantic map */
  --c-blue-500:#4a7fc1;
  --c-blue-lift:#7fb0e0;
  --c-green-500:#3f9c78;
  --c-green-lift:#6fbf9a;
  --c-accent-tint:#fbeae4;
  --c-accent-wash:#fbf7f5;
  --c-accent-line:#efdfd8;
  --c-accent-2:#1f6f8b;
  --c-accent-2-wash:#e3eef3;
  --c-teal-lift:#9ed2b6;
  --c-teal-deep:#3f9c78;
  --c-ok:#1f7a5c;
  --c-ok-wash:#e2f1eb;
  --c-warn:#a86a1b;
  --c-warn-lift:#d8b23f;
  --c-warn-wash:#fbf1dd;
  --c-gauge-track:#e6ebf1;
  --c-line-hover:#c9d4e0;
  --c-danger:#dc2626;
  /* on-dark text ramp */
  --c-on-dark:#ffffff;
  --c-on-dark-2:#e7eef4;
  --c-on-dark-3:#c3d1de;
  --c-on-dark-4:#9fb2c4;
  --c-on-dark-5:#93a7ba;
  --c-on-dark-6:#7d93a8;
  --c-on-dark-accent:#f0b7a2;
  --c-on-dark-mono:#a9c0d4;
  --c-code-fg:#d7e5f0;
  --c-code-comment:#7f9bb3;

  /* ---- alpha tokens (glows, glass, hairlines on dark) ---- */
  --a-glow-accent:rgba(200,90,60,.30);
  --a-glow-accent-2:rgba(31,111,139,.30);
  --a-accent-ring:rgba(200,90,60,.22);
  --a-accent-line:rgba(240,183,162,.34);
  --a-accent-wash:rgba(240,183,162,.09);
  --a-grid-line:rgba(255,255,255,.045);
  --a-hairline:rgba(255,255,255,.13);
  --a-hairline-strong:rgba(255,255,255,.22);
  --a-hairline-chip:rgba(255,255,255,.16);
  --a-danger-halo:rgba(220,38,38,.55);
  --a-danger-glow:rgba(220,38,38,.35);
  --a-glass:rgba(255,255,255,.06);
  --a-glass-hover:rgba(255,255,255,.13);
  --a-header-glass:rgba(255,255,255,.93);

  /* ---- semantic aliases (what components read) ---- */
  --bg:var(--c-white);
  --bg-alt:var(--c-bg-alt);
  --bg-deep:var(--c-navy-900);
  --surface:var(--c-white);
  --surface-tint:var(--c-accent-wash);
  --ink:var(--c-ink-900);
  --ink-soft:var(--c-ink-600);
  --ink-mute:var(--c-ink-500);
  --navy:var(--c-navy-900);
  --navy-2:var(--c-navy-700);
  --line:var(--c-line-200);
  --line-soft:var(--c-line-100);
  --line-hover:var(--c-line-hover);
  --accent:var(--c-accent);
  --accent-soft:var(--c-accent-tint);
  --accent-2:var(--c-accent-2);
  --accent-2-soft:var(--c-accent-2-wash);
  --series-1:var(--c-accent);
  --series-2:var(--c-blue-500);
  --series-3:var(--c-green-500);
  --ok:var(--c-ok);
  --ok-soft:var(--c-ok-wash);
  --warn:var(--c-warn);
  --warn-soft:var(--c-warn-wash);
  --code-bg:var(--c-navy-800);
  --code-fg:var(--c-code-fg);
  --code-comment:var(--c-code-comment);
  --code-key:var(--c-on-dark-accent);
  --code-string:var(--c-teal-lift);

  /* ---- typography ---- */
  --font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono","SF Mono",ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;
  --fs-body:17px;
  --lh-body:1.68;
  --fs-h1:clamp(38px,5.4vw,66px);
  --fs-h2:clamp(28px,3.5vw,40px);
  --fs-h3:21px;
  --fs-h4:15.5px;
  --fs-lead:clamp(18px,2vw,21px);
  --fs-sm:15.5px;
  --fs-xs:13px;
  --fs-mono:13.2px;
  --fw-regular:400;
  --fw-medium:550;
  --fw-semibold:650;
  --fw-bold:700;
  --fw-heavy:750;
  --ls-tight:-.035em;
  --ls-snug:-.022em;
  --ls-caps:.13em;

  /* ---- spacing ---- */
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:22px;
  --sp-5:28px;
  --sp-6:34px;
  --sp-7:44px;
  --sp-8:66px;
  --gutter:28px;
  --band-pad:96px;

  /* ---- radii ---- */
  --radius:14px;
  --radius-sm:9px;
  --radius-xs:5px;
  --radius-pill:100px;

  /* ---- shadow (built from one base tint) ---- */
  --shadow-tint:10,27,46;
  --shadow-sm:0 1px 2px rgba(var(--shadow-tint),.06),0 2px 8px rgba(var(--shadow-tint),.05);
  --shadow:0 2px 4px rgba(var(--shadow-tint),.05),0 12px 32px rgba(var(--shadow-tint),.09);
  --shadow-lg:0 8px 20px rgba(var(--shadow-tint),.10),0 30px 60px rgba(var(--shadow-tint),.14);

  /* ---- motion ---- */
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur-fast:.16s;
  --dur:.2s;
  --dur-slow:.35s;
  --reveal:.6s;

  /* ---- layout ---- */
  --maxw:1200px;
  --header-h:66px;

  /* ---- z-index ramp ---- */
  --z-skip:200;
  --z-topbar:120;
  --z-header:110;
  --z-fab:100;

  /* ---- docs chart palette (vllmdocs) ---- */
  --docs-axis:rgba(31,111,139,.32);
  --docs-grid:rgba(31,111,139,.14);
  --docs-ref:rgba(168,106,27,.55);
  --docs-blue:#1f6f8b;
  --docs-teal:#2a9d8f;
  --docs-good:#1f7a5c;
  --docs-bad:#c4553a;
  --docs-warn:#a86a1b;
  --docs-gray:#6b7c8f;
  --docs-purp:#7a4fc0;
}

/* ============================================================================
   Dark theme — SAME variable names, switched values. Dark is the default:
   it applies unless the user explicitly chose light (data-theme="light"),
   persisted in localStorage and re-applied BEFORE first paint by the head
   boot script (index-boot.js) — no flash either direction.
   ========================================================================== */
:root:not([data-theme="light"]){
  --bg:#0c1728; --bg-alt:#111f34; --bg-deep:#050d19;
  --surface:#12233a; --surface-tint:#182f4a;
  --ink:#e7eef4; --ink-soft:#c3d1de; --ink-mute:#8ea1b5;
  --navy:#16324f; --navy-2:#9fc3e8;
  --line:#22374d; --line-soft:#1a2c40; --line-hover:#2e4761;
  --accent:#e08b6a; --accent-soft:#3a241c;
  --accent-2:#6fb3cf; --accent-2-soft:#1b3547;
  --series-1:var(--c-accent-lift);
  --series-2:var(--c-blue-lift);
  --series-3:var(--c-green-lift);
  --ok:#3fa47c; --ok-soft:#14352c;
  --warn:#d9a441; --warn-soft:#332914;
  --code-bg:#0d2035; --code-fg:#d7e5f0; --code-comment:#7f9bb3;
  --code-key:#f0b7a2; --code-string:#9ed2b6;
  --c-accent-lift:#f0b7a2; --c-bg-tint:#152a42;
  --c-gauge-track:#1e3450; --c-accent-line:#2e4761;
  --shadow-tint:0,0,0;
  --a-header-glass:rgba(5,12,23,.95);
  --docs-axis:rgba(100,180,255,.35);
  --docs-grid:rgba(100,180,255,.10);
  --docs-ref:rgba(217,164,65,.55);
  --docs-blue:#64b4ff;
  --docs-teal:#2fb8a8;
  --docs-good:#46a35f;
  --docs-bad:#ff9d7a;
  --docs-warn:#d9a441;
  --docs-gray:#566373;
  --docs-purp:#8a5fd4;
  color-scheme: dark;
}
:root:not([data-theme="light"]) .brand,
:root:not([data-theme="light"]) .quote,
:root:not([data-theme="light"]) .copybox blockquote,
:root:not([data-theme="light"]) .node h4,
:root:not([data-theme="light"]) .sub b,
:root:not([data-theme="light"]) .tbl tbody th,
:root:not([data-theme="light"]) .links a,
:root:not([data-theme="light"]) .readout .row b,
:root:not([data-theme="light"]) .verdict b,
:root:not([data-theme="light"]) .range-label,
:root:not([data-theme="light"]) .join80{color:var(--ink)}
:root:not([data-theme="light"]) code{color:var(--navy-2)}

:root[data-theme="dark"]{
  --bg:#0c1728; --bg-alt:#111f34; --bg-deep:#050d19;
  --surface:#12233a; --surface-tint:#182f4a;
  --ink:#e7eef4; --ink-soft:#c3d1de; --ink-mute:#8ea1b5;
  --navy:#16324f; --navy-2:#9fc3e8;
  --line:#22374d; --line-soft:#1a2c40; --line-hover:#2e4761;
  --accent:#e08b6a; --accent-soft:#3a241c;
  --accent-2:#6fb3cf; --accent-2-soft:#1b3547;
  --series-1:var(--c-accent-lift);
  --series-2:var(--c-blue-lift);
  --series-3:var(--c-green-lift);
  --ok:#3fa47c; --ok-soft:#14352c;
  --warn:#d9a441; --warn-soft:#332914;
  --code-bg:#0d2035; --code-fg:#d7e5f0; --code-comment:#7f9bb3;
  --code-key:#f0b7a2; --code-string:#9ed2b6;
  --c-accent-lift:#f0b7a2; --c-bg-tint:#152a42;
  --c-gauge-track:#1e3450; --c-accent-line:#2e4761;
  --shadow-tint:0,0,0;
  --a-header-glass:rgba(5,12,23,.95);
  --docs-axis:rgba(100,180,255,.35);
  --docs-grid:rgba(100,180,255,.10);
  --docs-ref:rgba(217,164,65,.55);
  --docs-blue:#64b4ff;
  --docs-teal:#2fb8a8;
  --docs-good:#46a35f;
  --docs-bad:#ff9d7a;
  --docs-warn:#d9a441;
  --docs-gray:#566373;
  --docs-purp:#8a5fd4;
  color-scheme: dark;
}
:root[data-theme="dark"] .brand,
:root[data-theme="dark"] .quote,
:root[data-theme="dark"] .copybox blockquote,
:root[data-theme="dark"] .node h4,
:root[data-theme="dark"] .sub b,
:root[data-theme="dark"] .tbl tbody th,
:root[data-theme="dark"] .links a,
:root[data-theme="dark"] .readout .row b,
:root[data-theme="dark"] .verdict b,
:root[data-theme="dark"] .range-label,
:root[data-theme="dark"] .join80{color:var(--ink)}
:root[data-theme="dark"] code{color:var(--navy-2)}
/* ghost buttons and the mark tile flip their navy text/background in dark */
:root:not([data-theme="light"]) .btn-g{color:var(--ink)}
:root[data-theme="dark"] .btn-g{color:var(--ink)}
/* primary buttons hover to light blue in dark — white text vanishes on it,
   orange too; drop to the darkest navy so the label stays crisp */
:root:not([data-theme="light"]) .btn-p:hover,
:root[data-theme="dark"] .btn-p:hover{color:var(--c-navy-900)}

/* explicit light already equals the base :root values — nothing to undo */

/* ============================================================================
   Base layer — consumes tokens only
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  letter-spacing:-.005em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{line-height:1.18;letter-spacing:var(--ls-snug);margin:0;font-weight:var(--fw-bold)}
h1{font-size:var(--fs-h1);letter-spacing:var(--ls-tight);font-weight:var(--fw-heavy)}
h2{font-size:var(--fs-h2);letter-spacing:var(--ls-tight);max-width:24ch}
h3{font-size:var(--fs-h3);margin:0 0 var(--sp-1);letter-spacing:var(--ls-snug)}
h4{font-size:var(--fs-h4);margin:0 0 var(--sp-1)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{
  font-family:var(--font-mono);font-size:.86em;
  background:var(--bg-alt);border:1px solid var(--line);
  padding:.12em .38em;border-radius:var(--radius-xs);color:var(--navy-2);
}
img,svg{max-width:100%}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.skip{
  position:absolute;left:-9999px;top:0;background:var(--navy);color:var(--c-on-dark);
  padding:var(--sp-2) var(--sp-3);z-index:var(--z-skip);border-radius:0 0 var(--radius-sm) 0;
}
.skip:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* hover bubble component — any element with class="bubble" and
   data-bubble="text" gets a themed tooltip on hover/focus; colors come from
   surface/ink/line tokens so it themes itself light or dark automatically */
.bubble{position:relative}
.bubble::after{
  content:attr(data-bubble);
  position:absolute;left:50%;top:calc(100% + 9px);z-index:var(--z-pop, 60);
  transform:translate(calc(-50% + var(--bx,0px)),4px);
  background:var(--surface-tint);color:var(--ink);border:1px solid var(--line);
  border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);
  font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.02em;
  white-space:nowrap;padding:6px 11px;
  opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;
}
.bubble::before{
  content:'';position:absolute;left:50%;top:calc(100% + 5px);z-index:var(--z-pop, 60);
  width:8px;height:8px;transform:translate(calc(-50% + var(--bx,0px)),4px) rotate(45deg);
  background:var(--surface-tint);border-left:1px solid var(--line);
  border-top:1px solid var(--line);
  opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;
}
.bubble:hover::after,.bubble:focus-visible::after,
.bubble:hover::before,.bubble:focus-visible::before{opacity:1}
.bubble:hover::before,.bubble:focus-visible::before{transform:translate(calc(-50% + var(--bx,0px)),0) rotate(45deg)}
.bubble:hover::after,.bubble:focus-visible::after{transform:translate(calc(-50% + var(--bx,0px)),0)}
/* near the bottom edge the bubble flips above (set by index.js clamp) */
.bubble.b-up::after{top:auto;bottom:calc(100% + 9px)}
.bubble.b-up::before{top:auto;bottom:calc(100% + 5px)}

/* section band rhythm */
section.band{padding:var(--band-pad) 0;border-bottom:1px solid var(--line)}
section.band:nth-of-type(even){background:var(--bg-alt)}

/* footer default (dark) */
footer{background:var(--bg-deep);color:var(--c-on-dark-4);padding:var(--sp-8) 0 var(--sp-6);font-size:14px}
footer a{color:var(--c-on-dark-3)}

/* ============================================================================
   Site chrome — shared by every page
   ========================================================================== */

/* scroll-progress bar */
.topbar{position:fixed;top:0;left:0;right:0;height:2px;z-index:var(--z-topbar);background:transparent}
.topbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--c-accent-lift));transition:width .08s linear}

/* sticky header */
header.site{
  position:sticky;top:0;z-index:var(--z-header);background:var(--a-header-glass);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:26px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;font-weight:var(--fw-bold);letter-spacing:-.02em;color:var(--navy);font-size:16px}
.mark{width:29px;height:29px;border-radius:7px;background:var(--navy);display:grid;place-items:center;flex:none}
.mark span{width:12px;height:12px;border:2.5px solid var(--accent);border-radius:2px;transform:rotate(45deg)}
img.mark{object-fit:cover;display:block}
.brand small{display:block;font-weight:500;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-mute)}
.join80{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line-soft);
  border-radius:var(--radius-pill);color:var(--navy);font-size:13px;font-weight:600;white-space:nowrap}
.join80:hover{border-color:var(--accent);background:var(--accent-soft);text-decoration:none}
.join80 img{height:20px;width:auto;display:block}
@media(max-width:1200px){.join80 span{display:none}}
@media(max-width:1040px){.join80 img{height:16px}}
.nav ul{display:flex;gap:4px;list-style:none;margin:0 0 0 auto;padding:0}
.nav ul a{display:block;padding:8px 12px;border-radius:7px;color:var(--ink-soft);font-size:14px;font-weight:550}
.nav ul a:hover{background:var(--bg-alt);color:var(--accent);text-decoration:none}
.nav ul a.on{color:var(--navy);background:var(--accent-soft)}
/* mobile header: nav drops to a full-width second row instead of hiding */
@media(max-width:1040px){
  .nav{flex-wrap:wrap;height:auto;padding:12px 0;row-gap:8px}
  .brand{margin-right:auto}
  .nav ul{order:3;width:100%;margin:0;flex-wrap:wrap;gap:2px}
  .nav .btn{padding:9px 14px;font-size:14px}
}

/* theme toggle: small square button, moon on dark, sun on light */
.themebtn{width:38px;height:38px;padding:0;display:grid;place-items:center;flex:none;
  border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-sm);
  cursor:pointer;color:var(--ink)}
.themebtn:hover{border-color:var(--accent)}
.themebtn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.themebtn .i-sun{display:none}
:root[data-theme="light"] .themebtn .i-sun{display:block}
:root[data-theme="light"] .themebtn .i-moon{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:15px;font-weight:600;
  padding:12px 20px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:var(--dur)}
.btn-p{background:var(--navy);color:var(--c-on-dark)}
.btn-p:hover{background:var(--navy-2);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-g{background:var(--surface);color:var(--navy);border-color:var(--line)}
.btn-g:hover{border-color:var(--ink-mute);text-decoration:none;transform:translateY(-1px)}

/* back-to-top fab */
#top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--c-on-dark);
  border:0;cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;
  transition:var(--dur) ease;z-index:var(--z-fab)}
#top.on{opacity:1;pointer-events:auto}
#top:hover{background:var(--accent)}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(20px)}
.reveal.in{opacity:1;transform:none;transition:opacity var(--reveal) ease,transform var(--reveal) var(--ease)}

/* ============================================================================
   Shared components — building blocks every page may use
   ========================================================================== */

/* hero */
.hero{position:relative;background:var(--bg-deep);color:var(--c-on-dark);overflow:hidden;padding:86px 0 0}
.hero:before{content:"";position:absolute;inset:0;
  background:radial-gradient(1100px 460px at 78% -8%,var(--a-glow-accent),transparent 62%),
             radial-gradient(760px 420px at 6% 108%,var(--a-glow-accent-2),transparent 60%)}
.hero:after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--a-grid-line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--a-grid-line) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 78%)}
.hero .wrap{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:var(--fw-bold);letter-spacing:.14em;
  text-transform:uppercase;color:var(--c-on-dark-accent);border:1px solid var(--a-accent-line);background:var(--a-accent-wash);
  padding:7px 14px;border-radius:var(--radius-pill);margin-bottom:26px}
.eyebrow b{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--a-accent-ring)}
h1 em{font-style:normal;color:var(--c-on-dark-accent)}
.lede{font-size:var(--fs-lead);color:var(--c-on-dark-3);max-width:790px;margin-top:22px;line-height:1.62}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin:30px 0 0;padding:22px 0 0;border-top:1px solid var(--a-hairline-strong);
  font-size:13.5px;color:var(--c-on-dark-4)}
.hero-meta div{display:flex;gap:8px;align-items:baseline}
.hero-meta strong{color:var(--c-on-dark-2);font-weight:600}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-cta .btn-g{background:var(--a-glass);color:var(--c-on-dark);border-color:var(--a-hairline-strong)}
.hero-cta .btn-g:hover{background:var(--a-glass-hover)}
.hero-banner{max-width:none;margin:0 0 52px;border-radius:var(--radius);background:var(--surface);
  box-shadow:var(--shadow-lg);overflow:hidden;line-height:0}
.hero-banner img{width:100%;height:auto;display:block}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--a-hairline);
  margin-top:62px;border-top:1px solid var(--a-hairline)}
.stats div{background:var(--bg-deep);padding:26px 22px 30px}
.stats b{display:block;font-size:clamp(26px,3.2vw,36px);font-weight:var(--fw-heavy);letter-spacing:-.03em;color:var(--c-on-dark)}
.stats b i{font-style:normal;color:var(--c-on-dark-accent)}
.stats span{display:block;font-size:12.5px;color:var(--c-on-dark-5);margin-top:8px;line-height:1.5}
@media(max-width:880px){.stats{grid-template-columns:repeat(2,1fr)}}

/* section heads */
.kicker{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:var(--fw-bold);letter-spacing:var(--ls-caps);
  text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.kicker s{width:26px;height:1px;background:var(--accent);opacity:.5;flex:none}
h2+p,.head p.sub{color:var(--ink-soft);font-size:19px;margin-top:18px;max-width:70ch}
.head{margin-bottom:48px;max-width:820px}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:var(--sp-5);
  box-shadow:var(--shadow-sm);transition:var(--dur);position:relative;overflow:hidden}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--line-hover)}
.card .num{font-family:var(--font-mono);font-size:12px;font-weight:var(--fw-bold);color:var(--accent);
  letter-spacing:.1em;margin-bottom:14px;display:block}
.card p{font-size:var(--fs-sm);color:var(--ink-soft)}
.card.tint{background:linear-gradient(160deg,var(--surface),var(--surface-tint));border-color:var(--c-accent-line)}
.ico{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:18px}
.ico svg{width:21px;height:21px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.ico.b{background:var(--accent-2-soft)}.ico.b svg{stroke:var(--accent-2)}
.ico.g{background:var(--ok-soft)}.ico.g svg{stroke:var(--ok)}

/* quotes / callouts / lists */
.quote{border-left:3px solid var(--accent);padding:6px 0 6px 26px;margin:40px 0;font-size:21px;line-height:1.5;
  letter-spacing:-.02em;color:var(--navy);font-weight:var(--fw-medium)}
.quote cite{display:block;font-size:var(--fs-xs);font-style:normal;font-weight:600;color:var(--ink-mute);
  letter-spacing:.06em;text-transform:uppercase;margin-top:14px}
.callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm)}
.callout h4{display:flex;align-items:center;gap:9px}
.callout h4:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.callout p{font-size:var(--fs-sm);color:var(--ink-soft);margin-top:8px}
.callout.warn{border-left:3px solid var(--warn)}
ul.ticks{list-style:none;padding:0;margin:18px 0 0}
ul.ticks li{position:relative;padding-left:28px;margin-bottom:11px;font-size:var(--fs-sm);color:var(--ink-soft)}
ul.ticks li:before{content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
ul.dash{list-style:none;padding:0;margin:0}
ul.dash li{position:relative;padding-left:18px;margin-bottom:9px;font-size:15px;color:var(--ink-soft)}
ul.dash li:before{content:"";position:absolute;left:0;top:.72em;width:9px;height:2px;background:var(--ink-mute)}

/* link grid */
.links{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:760px){.links{grid-template-columns:1fr}}
.links a{display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:17px 20px;color:var(--navy);font-weight:600;font-size:15px;transition:.18s}
.links a:hover{border-color:var(--accent);background:var(--accent-soft);text-decoration:none;transform:translateX(3px)}
.links a em{font-style:normal;font-size:12.5px;font-weight:500;color:var(--ink-mute);text-align:right}

/* footer layout (shared markup) */
footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid var(--a-hairline)}
footer .fgrid>div:last-child{justify-self:end}
@media(max-width:820px){footer .fgrid{grid-template-columns:1fr}}
footer h5{color:var(--c-on-dark);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 15px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:9px}
.fine{padding-top:26px;font-size:12.5px;color:var(--c-on-dark-6);line-height:1.7}

/* ============================================================================
   Layout utilities
   ========================================================================== */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.mt18{margin-top:18px}
.mt20{margin-top:20px}
.mt22{margin-top:22px}
.mt26{margin-top:26px}
.mt34{margin-top:34px}
.mt44{margin-top:44px}
.mt56{margin-top:56px}
.mb34{margin-bottom:34px}
.mb44{margin-bottom:44px}

/* ---------- mobile scale-down ---------- */
@media(max-width:760px){
  .wrap{padding:0 20px}
  .hero{padding:56px 0 0}
  .hero-cta{margin-top:26px}
  .hero-banner{margin:0 0 32px}
  section.band{padding:64px 0}
  .stats{margin-top:40px}
  .stats div{padding:20px 16px 24px}
  .quote{font-size:18px;padding-left:18px;margin:28px 0}
  .card{padding:22px}
  .copybox{padding:22px 20px}
  .copybox blockquote{font-size:19px}
  #top{right:16px;bottom:16px;width:42px;height:42px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}