/* ==========================================================================
   DR LAB WORx — Design System
   Tokens → Base → Layout → Components → Patterns → Utilities
   ========================================================================== */

/* --- 1. TOKENS ----------------------------------------------------------- */
:root {
  /* Ink / neutral */
  --ink-900:#061224; --ink-800:#0A1A2F; --ink-700:#12263F; --ink-600:#173049;
  --ink-500:#1C3350; --slate-600:#44566C; --slate-500:#5A6B80; --slate-400:#7C8CA0;
  --slate-300:#9AA9BB; --slate-200:#C6D0DC;
  --line:#E4E9F0; --line-strong:#D3DCE7;
  --surface:#FFFFFF; --surface-2:#F7F9FC; --surface-3:#EEF2F7;

  /* Cryo — primary */
  --cryo-800:#062E7A; --cryo-700:#083FA8; --cryo-600:#0B5FFF; --cryo-500:#2E77FF;
  --cryo-200:#C9DCFF; --cryo-100:#E9F1FF; --cryo-050:#F4F8FF;

  /* Vital — success / uptime */
  --vital-700:#046B5C; --vital-600:#00A892; --vital-500:#00C2A8; --vital-100:#E4FAF5;

  /* Amber — warning / scheduled */
  --amber-700:#8A5A0B; --amber-600:#C77F0A; --amber-500:#F2A93B; --amber-100:#FFF6E8;

  /* Alert — emergency / error */
  --alert-700:#A5251A; --alert-600:#C2352A; --alert-500:#E0483B; --alert-100:#FDECEA;

  /* Semantic surface roles (flip in dark mode) */
  --bg:var(--surface); --bg-alt:var(--surface-2); --bg-raised:var(--surface);
  --fg:var(--ink-500); --fg-strong:var(--ink-800); --fg-muted:var(--slate-500);
  --border:var(--line); --border-strong:var(--line-strong);
  --accent:var(--cryo-600); --accent-hover:var(--cryo-700); --accent-soft:var(--cryo-100);

  /* Radius */
  --r-xs:6px; --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px; --r-pill:999px;

  /* Elevation */
  --e1:0 1px 2px rgba(10,26,47,.06);
  --e2:0 4px 16px rgba(10,26,47,.08);
  --e3:0 12px 40px rgba(10,26,47,.12);
  --e4:0 24px 64px rgba(10,26,47,.16);
  --ring:0 0 0 3px rgba(11,95,255,.22);

  /* Spacing (4px base) */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:20px; --s6:24px; --s8:32px;
  --s10:40px; --s12:48px; --s16:64px; --s20:80px; --s24:96px; --s32:128px;

  /* Motion */
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-io:cubic-bezier(.4,0,.2,1);
  --t-fast:120ms; --t-base:200ms; --t-slow:320ms; --t-slower:480ms;

  /* Type */
  --sans:'InterVar','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono',SFMono-Regular,Menlo,'JetBrains Mono','Roboto Mono',monospace;

  /* Layout */
  --shell:1280px; --shell-narrow:760px; --gutter:24px; --header-h:74px;

  /* Z */
  --z-nav:100; --z-drop:200; --z-sticky:300; --z-modal:400; --z-toast:500; --z-skip:600;

  color-scheme: light;
}

[data-theme="dark"] {
  --bg:#0B1727; --bg-alt:#0F1E32; --bg-raised:#12233A;
  --fg:#D7E3F4; --fg-strong:#FFFFFF; --fg-muted:#93A7C0;
  --border:rgba(255,255,255,.10); --border-strong:rgba(255,255,255,.18);
  --accent:#4D8BFF; --accent-hover:#6FA2FF; --accent-soft:rgba(77,139,255,.14);
  --vital-500:#3AD9C2; --vital-600:#3AD9C2; --vital-100:rgba(58,217,194,.14);
  --amber-100:rgba(242,169,59,.14); --amber-600:#F2A93B;
  --alert-100:rgba(224,72,59,.16); --alert-500:#FF6A5C; --alert-600:#FF6A5C;
  --e1:0 1px 2px rgba(0,0,0,.4); --e2:0 4px 16px rgba(0,0,0,.4);
  --e3:0 12px 40px rgba(0,0,0,.5); --e4:0 24px 64px rgba(0,0,0,.55);
  --ring:0 0 0 3px rgba(77,139,255,.35);
  color-scheme: dark;
}

/* --- 2. RESET / BASE ----------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{overflow-x:hidden;-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}
body{
  font:400 17px/1.65 var(--sans);
  color:var(--fg); background:var(--bg);
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background-color var(--t-base) var(--ease-io), color var(--t-base) var(--ease-io);
}
img,svg,video{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:var(--accent);text-decoration:none}
/* Inline links in running text carry an underline so colour is not the only cue (WCAG 1.4.1) */
.prose a:not(.btn):not(.arrow-link),.alert a,.acc__inner a,address a,.footer__legal a,
.field__hint a,.tiny a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
/* Inline links: nudge the hit area without disturbing line rhythm */
.prose a:not(.btn):not(.arrow-link),.tiny a{padding-block:3px}
a:hover{text-decoration:underline;text-underline-offset:3px}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--border)}
::selection{background:var(--cryo-200);color:var(--ink-900)}
[hidden]{display:none !important}

:focus{outline:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:var(--r-xs)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important; scroll-behavior:auto !important;
  }
}

/* --- 3. TYPE SCALE ------------------------------------------------------- */
h1,h2,h3,h4,h5{color:var(--fg-strong);letter-spacing:-.022em;line-height:1.15;font-weight:700;text-wrap:balance}
h1,.t-display{font-size:clamp(36px,5.6vw,68px);line-height:1.03;letter-spacing:-.035em;font-weight:800}
h2,.t-h2{font-size:clamp(28px,3.9vw,46px);letter-spacing:-.028em}
h3,.t-h3{font-size:clamp(21px,2.4vw,28px);letter-spacing:-.02em}
h4,.t-h4{font-size:19px;font-weight:600;letter-spacing:-.012em;line-height:1.3}
h5,.t-h5{font-size:16px;font-weight:600;letter-spacing:-.008em}
p{text-wrap:pretty}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.6;color:var(--fg-muted);max-width:64ch}
.small{font-size:15px}
.tiny{font-size:13.5px;color:var(--fg-muted)}
.eyebrow{
  font:600 12px/1 var(--mono); letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); display:block;
}
.eyebrow--muted{color:var(--fg-muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.measure{max-width:68ch}

/* --- 4. LAYOUT ----------------------------------------------------------- */
.shell{max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.shell--narrow{max-width:var(--shell-narrow)}
.section{padding-block:clamp(56px,8vw,120px)}
.section--tight{padding-block:clamp(40px,5vw,72px)}
.section--alt{background:var(--bg-alt)}
.section-head{max-width:66ch;margin-bottom:clamp(28px,4vw,52px)}
.section-head--center{margin-inline:auto;text-align:center}
.section-head h2{margin:var(--s3) 0 var(--s4)}
.grid{display:grid;gap:var(--s5)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.split--top{align-items:start}
.stack > * + *{margin-top:var(--s4)}
.cluster{display:flex;flex-wrap:wrap;gap:var(--s3);align-items:center}
@media (max-width:1000px){ .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:900px){ .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))} .split{grid-template-columns:1fr} }
@media (max-width:640px){ .grid-2,.grid-3,.grid-4{grid-template-columns:1fr} :root{--gutter:16px} }

/* --- 5. SKIP LINK -------------------------------------------------------- */
.skip{
  position:fixed;top:0;left:0;transform:translateY(-120%);
  background:var(--accent);color:#fff;padding:12px 22px;font-weight:600;
  border-radius:0 0 var(--r-sm) 0;z-index:var(--z-skip);transition:transform var(--t-base) var(--ease);
}
.skip:focus{transform:translateY(0);text-decoration:none}

/* --- 6. EMERGENCY BAR ---------------------------------------------------- */
.embar{background:var(--alert-600);color:#fff;font-size:14px;position:relative;z-index:calc(var(--z-nav) + 10)}
[data-theme="dark"] .embar{background:#8E241B}
.embar__in{display:flex;align-items:center;gap:var(--s3);padding-block:9px;flex-wrap:wrap}
.embar a{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:3px;
  display:inline-flex;align-items:center;min-height:26px}
.embar__x{
  margin-left:auto;color:#fff;width:32px;height:32px;border-radius:var(--r-xs);
  display:grid;place-items:center;flex:0 0 auto;
}
.embar__x:hover{background:rgba(255,255,255,.16)}
@media (max-width:760px){ .embar{font-size:13px} .embar__label{display:none} }

/* --- 7. HEADER + NAV ----------------------------------------------------- */
.header{
  position:sticky;top:0;z-index:var(--z-nav);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(16px) saturate(1.4); -webkit-backdrop-filter:blur(16px) saturate(1.4);
  border-bottom:1px solid var(--border);
  transition:height var(--t-base) var(--ease-io);
}
.header__in{display:flex;align-items:center;gap:var(--s5);height:var(--header-h)}
.header.is-scrolled .header__in{height:62px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;font-size:16.5px;letter-spacing:-.02em;color:var(--fg-strong)}
.brand:hover{text-decoration:none}
.brand__mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 34px;
  background:linear-gradient(150deg,var(--cryo-600),var(--cryo-800));
  display:grid;place-items:center;color:#fff;font:700 11px/1 var(--mono);letter-spacing:.02em;
  box-shadow:var(--e1);
}
.brand__sub{display:block;font:500 10.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--fg-muted);margin-top:3px}

.nav{margin-left:var(--s2)}
.nav__list{display:flex;gap:2px}
.nav__link,.nav__trigger{
  display:inline-flex;align-items:center;gap:5px;
  font-size:15px;font-weight:500;color:var(--fg);
  padding:9px 12px;border-radius:var(--r-sm);white-space:nowrap;
  transition:background var(--t-fast) var(--ease-io),color var(--t-fast) var(--ease-io);
}
.nav__link:hover,.nav__trigger:hover{background:var(--bg-alt);color:var(--fg-strong);text-decoration:none}
.nav__link[aria-current="page"]{color:var(--accent);font-weight:600}
.nav__trigger svg{transition:transform var(--t-base) var(--ease)}
.nav__trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.nav__item{position:relative}

.mega{
  position:absolute;top:calc(100% + 10px);left:-12px;z-index:var(--z-drop);
  background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--e3);padding:var(--s5);min-width:min(620px,84vw);
  opacity:0;transform:translateY(-6px);pointer-events:none;
  transition:opacity var(--t-base) var(--ease),transform var(--t-base) var(--ease);
}
.mega[data-open="true"]{opacity:1;transform:translateY(0);pointer-events:auto}
.mega--wide{min-width:min(760px,90vw);left:-160px}
.mega__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s2)}
.mega--wide .mega__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.mega__link{display:flex;gap:12px;padding:11px 12px;border-radius:var(--r-md);transition:background var(--t-fast) var(--ease-io)}
.mega__link:hover{background:var(--bg-alt);text-decoration:none}
.mega__link .ico{flex:0 0 34px;width:34px;height:34px;border-radius:9px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.mega__link b{display:block;font-size:14.5px;font-weight:600;color:var(--fg-strong);line-height:1.3}
.mega__link span{display:block;font-size:13px;color:var(--fg-muted);line-height:1.45;margin-top:2px}
.mega__foot{margin-top:var(--s4);padding-top:var(--s4);border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:var(--s4);flex-wrap:wrap}

.header__actions{margin-left:auto;display:flex;align-items:center;gap:var(--s3)}
.header__tel{font-weight:600;font-size:15px;color:var(--fg-strong);padding:9px 10px;border-radius:var(--r-sm);white-space:nowrap;display:inline-flex;align-items:center;gap:7px}
.header__tel:hover{background:var(--bg-alt);text-decoration:none}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--border);
  display:grid;place-items:center;color:var(--fg);transition:all var(--t-fast) var(--ease-io);flex:0 0 auto;
}
.icon-btn:hover{background:var(--bg-alt);border-color:var(--border-strong)}
.burger{display:none}
@media (max-width:1180px){ .nav,.header__tel{display:none} .burger{display:grid} }
/* Small screens: the sticky bottom bar already carries Call + Request service,
   so drop the duplicated header CTA rather than letting the bar overflow. */
@media (max-width:600px){
  .header__actions .btn--primary{display:none}
  .header__actions{gap:8px}
  .brand__sub{display:none}
  .brand{font-size:16px}
}
@media (max-width:400px){ .header__actions .icon-btn:not(.burger){display:none} }

/* Mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:var(--z-modal);background:var(--bg);
  display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform var(--t-slow) var(--ease), visibility 0s linear var(--t-slow);
  overflow-y:auto;overscroll-behavior:contain;
}
.drawer[data-open="true"]{transform:translateX(0);visibility:visible;transition-delay:0s}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding:16px var(--gutter);border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:2}
.drawer__body{padding:var(--s5) var(--gutter) 140px;flex:1}
.drawer__group + .drawer__group{border-top:1px solid var(--border)}
.drawer__gtrigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 0;font-size:18px;font-weight:600;color:var(--fg-strong);text-align:left;
}
.drawer__gtrigger svg{transition:transform var(--t-base) var(--ease);flex:0 0 auto;color:var(--fg-muted)}
.drawer__gtrigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.drawer__panel{padding-bottom:12px}
.drawer__panel a{display:block;padding:11px 0 11px 14px;font-size:16px;color:var(--fg);border-left:2px solid var(--border)}
.drawer__panel a:hover{border-left-color:var(--accent);color:var(--accent);text-decoration:none}
.drawer__solo{display:block;padding:16px 0;font-size:18px;font-weight:600;color:var(--fg-strong)}
.drawer__solo:hover{text-decoration:none;color:var(--accent)}
.drawer__foot{position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--border);padding:14px var(--gutter) calc(14px + env(safe-area-inset-bottom));display:flex;gap:10px}
.drawer__foot .btn{flex:1}

/* --- 8. BUTTONS ---------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:600 15px/1 var(--sans); border-radius:12px; padding:0 20px; height:48px;
  min-width:44px; border:1px solid transparent; cursor:pointer; white-space:nowrap;
  transition:background var(--t-base) var(--ease-io),border-color var(--t-base) var(--ease-io),
             transform var(--t-fast) var(--ease-io),box-shadow var(--t-base) var(--ease-io),color var(--t-fast) var(--ease-io);
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(0) scale(.985)}
.btn svg{flex:0 0 auto;transition:transform var(--t-base) var(--ease)}
.btn--primary{background:var(--cryo-600);color:#fff;box-shadow:var(--e1)}
.btn--primary:hover{background:var(--cryo-700);transform:translateY(-1px);box-shadow:var(--e2)}
[data-theme="dark"] .btn--primary{background:var(--cryo-500)}
[data-theme="dark"] .btn--primary:hover{background:var(--cryo-600)}
.btn--secondary{background:var(--bg-raised);border-color:var(--border-strong);color:var(--fg-strong)}
.btn--secondary:hover{background:var(--bg-alt);border-color:var(--fg-muted);transform:translateY(-1px)}
.btn--ghost{color:var(--fg-strong);padding-inline:12px}
.btn--ghost:hover{background:var(--bg-alt)}
.btn--emergency{background:var(--alert-600);color:#fff;box-shadow:var(--e1)}
.btn--emergency:hover{background:var(--alert-700);transform:translateY(-1px);box-shadow:var(--e2)}
.btn--onDark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.30);color:#fff;backdrop-filter:blur(6px)}
.btn--onDark:hover{background:rgba(255,255,255,.20);transform:translateY(-1px)}
.btn--light{background:#fff;color:var(--ink-800)}
.btn--light:hover{background:#EDF2F9;transform:translateY(-1px)}
.btn--sm{height:40px;font-size:14px;padding-inline:16px;border-radius:10px}
.btn--lg{height:56px;font-size:16px;padding-inline:26px;border-radius:14px}
.btn--block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.btn.is-loading{pointer-events:none}
.btn.is-loading .btn__spin{display:block}
.btn__spin{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.arrow-link{
  display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:15px;color:var(--accent);
}
.arrow-link svg{transition:transform var(--t-base) var(--ease)}
.arrow-link:hover{text-decoration:none}
.arrow-link:hover svg{transform:translateX(4px)}

/* --- 9. CARDS ------------------------------------------------------------ */
.card{
  position:relative;background:var(--bg-raised);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:26px;
  transition:border-color var(--t-base) var(--ease-io),box-shadow var(--t-base) var(--ease-io),transform var(--t-base) var(--ease-io);
}
.card--hover:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--border));box-shadow:var(--e2);transform:translateY(-3px)}
.card__ico{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;margin-bottom:18px;
  transition:background var(--t-base) var(--ease-io),color var(--t-base) var(--ease-io);
}
.card--hover:hover .card__ico{background:var(--accent);color:#fff}
.card h3,.card h4{margin-bottom:8px}
.card p{font-size:15.5px;color:var(--fg-muted);line-height:1.6}
.card__link{margin-top:16px;display:inline-flex}
.card__stretch::after{content:"";position:absolute;inset:0;border-radius:inherit}
.card--flat{background:var(--bg-alt);border-color:transparent}
.card--outline{background:transparent}

.tile{
  display:flex;flex-direction:column;gap:6px;padding:20px;border:1px solid var(--border);
  border-radius:var(--r-md);background:var(--bg-raised);position:relative;
  transition:all var(--t-base) var(--ease-io);
}
.tile:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--e2);text-decoration:none}
.tile b{font-size:16px;color:var(--fg-strong);font-weight:600}
.tile span{font:500 13px var(--mono);color:var(--fg-muted);letter-spacing:.01em}

/* --- 10. BADGES ---------------------------------------------------------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font:600 11.5px/1 var(--mono);letter-spacing:.07em;text-transform:uppercase;
  padding:6px 10px;border-radius:var(--r-xs);white-space:nowrap;
}
.badge--accent{background:var(--accent-soft);color:var(--accent)}
.badge--vital{background:var(--vital-100);color:var(--vital-700)}
[data-theme="dark"] .badge--vital{color:var(--vital-500)}
.badge--amber{background:var(--amber-100);color:var(--amber-700)}
[data-theme="dark"] .badge--amber{color:var(--amber-600)}
.badge--alert{background:var(--alert-100);color:var(--alert-700)}
[data-theme="dark"] .badge--alert{color:var(--alert-500)}
.badge--neutral{background:var(--bg-alt);color:var(--fg-muted);border:1px solid var(--border)}
.badge--onDark{background:rgba(255,255,255,.12);color:#fff}
.badge--dot::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex:0 0 7px}

/* --- 11. ALERTS ---------------------------------------------------------- */
.alert a{display:inline-flex;align-items:center;min-height:26px}
.alert{
  display:flex;gap:12px;padding:16px 18px;border-radius:var(--r-md);
  border:1px solid var(--border);border-left-width:3px;background:var(--bg-alt);font-size:15.5px;
}
.alert__ico{flex:0 0 20px;margin-top:2px}
.alert b{display:block;color:var(--fg-strong);margin-bottom:2px}
.alert--info{border-left-color:var(--accent);background:var(--accent-soft)}
.alert--info .alert__ico{color:var(--accent)}
.alert--success{border-left-color:var(--vital-600);background:var(--vital-100)}
.alert--success .alert__ico{color:var(--vital-700)}
.alert--warning{border-left-color:var(--amber-500);background:var(--amber-100)}
.alert--warning .alert__ico{color:var(--amber-700)}
.alert--error{border-left-color:var(--alert-500);background:var(--alert-100)}
.alert--error .alert__ico{color:var(--alert-700)}
[data-theme="dark"] .alert--success .alert__ico{color:var(--vital-500)}
[data-theme="dark"] .alert--warning .alert__ico{color:var(--amber-600)}
[data-theme="dark"] .alert--error .alert__ico{color:var(--alert-500)}

/* --- 12. FORMS ----------------------------------------------------------- */
.field{margin-bottom:var(--s5)}
.field__label{display:block;font-weight:600;font-size:15px;color:var(--fg-strong);margin-bottom:7px}
.field__req{color:var(--alert-600);font-weight:600}
.field__hint{font-size:13.5px;color:var(--fg-muted);margin-top:6px}
.input,.select,.textarea{
  width:100%;min-height:48px;padding:12px 14px;font-size:16px;
  background:var(--bg-raised);color:var(--fg-strong);
  border:1px solid var(--border-strong);border-radius:var(--r-sm);
  transition:border-color var(--t-fast) var(--ease-io),box-shadow var(--t-fast) var(--ease-io);
}
.input::placeholder,.textarea::placeholder{color:var(--slate-400)}
.input:hover,.select:hover,.textarea:hover{border-color:var(--fg-muted)}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
.textarea{min-height:130px;resize:vertical;line-height:1.6}
.select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6B80' stroke-width='2'%3e%3cpath d='m6 9 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;padding-right:42px}
.field[data-invalid="true"] .input,.field[data-invalid="true"] .select,.field[data-invalid="true"] .textarea{border-color:var(--alert-500);box-shadow:0 0 0 3px rgba(224,72,59,.16)}
.field__error{display:none;align-items:center;gap:6px;font-size:13.5px;color:var(--alert-600);margin-top:7px;font-weight:500}
.field[data-invalid="true"] .field__error{display:flex}

.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:560px){.choice-grid{grid-template-columns:1fr}}
.choice{position:relative}
.choice input{position:absolute;opacity:0;width:100%;height:100%;cursor:pointer;inset:0}
.choice__box{
  display:flex;gap:12px;padding:16px;border:1px solid var(--border-strong);border-radius:var(--r-md);
  background:var(--bg-raised);transition:all var(--t-fast) var(--ease-io);height:100%;
}
.choice__box b{display:block;font-size:15.5px;color:var(--fg-strong);font-weight:600}
.choice__box span{display:block;font-size:13.5px;color:var(--fg-muted);line-height:1.45;margin-top:3px}
.choice__dot{flex:0 0 20px;width:20px;height:20px;border-radius:50%;border:2px solid var(--border-strong);margin-top:2px;position:relative;transition:all var(--t-fast) var(--ease-io)}
.choice input:hover + .choice__box{border-color:var(--fg-muted)}
.choice input:focus-visible + .choice__box{border-color:var(--accent);box-shadow:var(--ring)}
.choice input:checked + .choice__box{border-color:var(--accent);background:var(--accent-soft)}
.choice input:checked + .choice__box .choice__dot{border-color:var(--accent);background:var(--accent)}
.choice input:checked + .choice__box .choice__dot::after{content:"";position:absolute;inset:4px;background:#fff;border-radius:50%}

.checkbox{display:flex;gap:11px;align-items:flex-start;font-size:15px;cursor:pointer}
.checkbox input{width:20px;height:20px;margin-top:2px;accent-color:var(--cryo-600);flex:0 0 20px}

.dropzone{
  border:1.5px dashed var(--border-strong);border-radius:var(--r-md);padding:24px;text-align:center;
  background:var(--bg-alt);transition:all var(--t-fast) var(--ease-io);
}
.dropzone.is-over{border-color:var(--accent);background:var(--accent-soft)}
.dropzone p{font-size:14.5px;color:var(--fg-muted);margin-top:8px}

/* Stepper */
/* Step containers: reset UA fieldset chrome */
[data-step]{border:0;padding:0;margin:0;min-width:0}
/* Programmatic focus target for step changes should not paint a ring */
[data-step] > h2[tabindex="-1"]:focus,[data-step] > h3[tabindex="-1"]:focus{outline:none}
.stepper{display:flex;gap:8px;margin-bottom:var(--s8)}
.stepper__item{flex:1;position:relative;padding-top:14px}
.stepper__bar{height:4px;border-radius:2px;background:var(--border);transition:background var(--t-slow) var(--ease-io);position:absolute;top:0;left:0;right:0}
.stepper__item[data-state="done"] .stepper__bar,.stepper__item[data-state="current"] .stepper__bar{background:var(--accent)}
.stepper__label{font:600 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted)}
.stepper__item[data-state="current"] .stepper__label{color:var(--accent)}
.stepper__title{display:block;font-size:14.5px;font-weight:600;color:var(--fg-strong);margin-top:3px}
@media (max-width:640px){.stepper__title{display:none}}

/* --- 13. ACCORDION ------------------------------------------------------- */
.accordion{border-top:1px solid var(--border)}
.acc{border-bottom:1px solid var(--border)}
.acc__btn{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:clamp(16.5px,1.6vw,18.5px);font-weight:600;color:var(--fg-strong);line-height:1.4;
}
.acc__btn:hover{color:var(--accent)}
.acc__sign{flex:0 0 22px;width:22px;height:22px;position:relative;margin-top:3px;color:var(--fg-muted);transition:color var(--t-fast)}
.acc__sign::before,.acc__sign::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform var(--t-base) var(--ease)}
.acc__sign::before{top:10px;left:2px;width:18px;height:2px}
.acc__sign::after{top:2px;left:10px;width:2px;height:18px}
.acc__btn[aria-expanded="true"] .acc__sign{color:var(--accent)}
.acc__btn[aria-expanded="true"] .acc__sign::after{transform:rotate(90deg);opacity:0}
.acc__panel{overflow:hidden;transition:height var(--t-slow) var(--ease)}
.acc__inner{padding:0 44px 24px 0;color:var(--fg-muted);font-size:16.5px}
.acc__inner > * + *{margin-top:12px}

/* --- 14. TABS ------------------------------------------------------------ */
.tabs__list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:var(--s6)}
.tab{
  padding:11px 18px;border-radius:var(--r-pill);border:1px solid var(--border);
  background:var(--bg-raised);font-size:14.5px;font-weight:600;color:var(--fg);
  min-height:44px;transition:all var(--t-fast) var(--ease-io);
}
.tab:hover{border-color:var(--accent);color:var(--accent)}
.tab[aria-selected="true"]{background:var(--ink-800);border-color:var(--ink-800);color:#fff}
[data-theme="dark"] .tab[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:#04122A}
.tabpanel[hidden]{display:none}

/* --- 15. TABLE ----------------------------------------------------------- */
.table-wrap{border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;background:var(--bg-raised)}
.table{font-size:15px}
.table caption{text-align:left;padding:18px 20px 0;font-weight:600;color:var(--fg-strong)}
.table th,.table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
.table thead th{
  background:var(--bg-alt);font:600 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted);
}
.table tbody tr:last-child td{border-bottom:0}
.table td b{color:var(--fg-strong)}
.table .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
@media (max-width:760px){
  .table-wrap{border:0;background:transparent}
  .table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .table tr{display:block;border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:12px;background:var(--bg-raised);padding:6px 0}
  .table td{display:flex;gap:14px;border-bottom:1px solid var(--border);padding:12px 16px}
  .table tr td:last-child{border-bottom:0}
  .table td::before{content:attr(data-th);flex:0 0 40%;font:600 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--fg-muted);padding-top:2px}
}

/* --- 16. BREADCRUMBS + PAGINATION ---------------------------------------- */
.crumbs{padding-block:18px;font-size:13.5px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.crumbs li{display:flex;align-items:center;gap:7px;color:var(--fg-muted);min-height:26px}
.crumbs a{display:inline-flex;align-items:center;min-height:26px}
.crumbs a{color:var(--fg-muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs li[aria-current="page"]{color:var(--fg-strong);font-weight:500}
.crumbs .sep{color:var(--slate-300)}

.pagination{display:flex;gap:6px;justify-content:center;align-items:center;margin-top:var(--s10)}
.pagination a,.pagination span{
  min-width:44px;height:44px;padding:0 12px;display:inline-grid;place-items:center;
  border:1px solid var(--border);border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--fg);
}
.pagination a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.pagination [aria-current="page"]{background:var(--ink-800);border-color:var(--ink-800);color:#fff}
.pagination [aria-disabled="true"]{opacity:.4;pointer-events:none}

/* --- 17. TOAST + MODAL --------------------------------------------------- */
.toasts{position:fixed;bottom:20px;right:20px;z-index:var(--z-toast);display:flex;flex-direction:column;gap:10px;max-width:min(380px,calc(100vw - 40px))}
@media (max-width:820px){.toasts{bottom:96px}}
.toast{
  display:flex;gap:12px;padding:14px 16px;border-radius:var(--r-md);background:var(--bg-raised);
  border:1px solid var(--border);box-shadow:var(--e3);font-size:15px;
  animation:toastIn var(--t-slow) var(--ease);
}
@keyframes toastIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
.toast b{display:block;color:var(--fg-strong)}
.toast__ico{flex:0 0 20px;color:var(--vital-600);margin-top:2px}

.modal{position:fixed;inset:0;z-index:var(--z-modal);display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal__scrim{position:absolute;inset:0;background:rgba(6,18,36,.6);backdrop-filter:blur(3px);animation:fade var(--t-base) var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal__box{
  position:relative;background:var(--bg-raised);border-radius:var(--r-xl);padding:32px;
  max-width:520px;width:100%;box-shadow:var(--e4);border:1px solid var(--border);
  animation:modalIn var(--t-slow) var(--ease);
}
@keyframes modalIn{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
.modal__x{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:var(--r-sm);display:grid;place-items:center;color:var(--fg-muted)}
.modal__x:hover{background:var(--bg-alt);color:var(--fg-strong)}

/* --- 18. STATES ---------------------------------------------------------- */
.skeleton{background:linear-gradient(90deg,var(--bg-alt) 25%,var(--surface-3) 37%,var(--bg-alt) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:var(--r-sm)}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}
.empty{text-align:center;padding:56px 24px;border:1.5px dashed var(--border-strong);border-radius:var(--r-lg);background:var(--bg-alt)}
.empty__ico{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--bg-raised);border:1px solid var(--border);display:grid;place-items:center;color:var(--fg-muted)}
.empty h3{margin-bottom:8px}
.empty p{color:var(--fg-muted);max-width:44ch;margin:0 auto 22px}

/* --- 19. HERO PATTERNS --------------------------------------------------- */
.hero{position:relative;padding-block:clamp(40px,6vw,80px) clamp(40px,5vw,64px);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(110% 80% at 82% -10%,var(--cryo-050) 0%,transparent 60%);
}
[data-theme="dark"] .hero::before{background:radial-gradient(110% 80% at 82% -10%,rgba(11,95,255,.14) 0%,transparent 60%)}
.hero__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:980px){.hero__grid{grid-template-columns:1fr;gap:var(--s8)}}
.hero h1{margin:var(--s4) 0 0}
.hero__promise{font:800 clamp(21px,2.9vw,30px)/1.2 var(--sans);color:var(--accent);letter-spacing:-.028em;margin:16px 0 14px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:var(--s8)}

.pagehero{position:relative;padding-block:clamp(28px,4vw,52px) clamp(36px,5vw,64px);border-bottom:1px solid var(--border);background:var(--bg-alt)}
.pagehero h1{font-size:clamp(32px,4.6vw,56px);margin:12px 0 16px}
.pagehero .lede{margin-bottom:var(--s6)}
.pagehero__cta{display:flex;gap:12px;flex-wrap:wrap}
.pagehero--dark{background:linear-gradient(155deg,#061224,#0A2145 58%,#0B3C86 140%);border-bottom:0;color:#B9C9DE}
.pagehero--dark h1,.pagehero--dark h2{color:#fff}
.pagehero--dark .lede{color:#B9C9DE}
.pagehero--dark .eyebrow{color:#7FB0FF}
.pagehero--dark .crumbs li,.pagehero--dark .crumbs a{color:#8FA6C2}
.pagehero--dark .crumbs li[aria-current="page"]{color:#fff}

/* Capability panel (hero aside) */
.panel-card{
  background:linear-gradient(165deg,#0A1A2F,#12263F 58%,#0E2A55);
  border-radius:var(--r-xl);padding:26px;color:#fff;box-shadow:var(--e3);
  border:1px solid rgba(255,255,255,.09);
}
.panel-card__top{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:#D7E3F4}
.panel-card__dot{width:8px;height:8px;border-radius:50%;background:var(--vital-500);box-shadow:0 0 0 0 rgba(0,194,168,.55);animation:pulse 2.6s infinite;flex:0 0 8px}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(0,194,168,0)}100%{box-shadow:0 0 0 0 rgba(0,194,168,0)}}
.panel-card__range{font:500 clamp(26px,3.4vw,36px)/1.05 var(--mono);letter-spacing:-.03em;margin:20px 0 6px;font-variant-numeric:tabular-nums}
.panel-card__range small{font-size:15px;color:#8FA6C2;letter-spacing:.02em}
.panel-card__scale{display:flex;align-items:flex-end;gap:3px;height:36px;margin:16px 0 18px}
.panel-card__scale i{flex:1;border-radius:2px;background:linear-gradient(180deg,var(--vital-500),rgba(0,194,168,.18))}
.panel-card hr{border-top-color:rgba(255,255,255,.12);margin-block:16px}
.panel-card dl{display:grid;grid-template-columns:1fr auto;gap:11px 14px;font-size:13.5px}
.panel-card dt{color:#8FA6C2}
.panel-card dd{color:#fff;font-weight:600;text-align:right}

/* --- 20. PROOF / STATS --------------------------------------------------- */
.statband{background:var(--ink-900);color:#fff;padding-block:clamp(36px,5vw,60px)}
[data-theme="dark"] .statband{background:#040D19;border-block:1px solid rgba(255,255,255,.07)}
.stat b{display:block;font:500 clamp(28px,3.6vw,40px)/1 var(--mono);letter-spacing:-.035em;color:#fff;margin-bottom:9px}
.stat > span{display:block;font-size:14px;line-height:1.45;color:#8FA6C2}
.stat b span{font:inherit;color:inherit;display:inline}

.brandstrip{padding-top:var(--s8);margin-top:var(--s8);border-top:1px solid var(--border)}
.brandstrip__label{font:600 11.5px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--slate-400);margin-bottom:14px}
.brandstrip__list{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center}
.brandstrip__list li{font-weight:700;font-size:14.5px;color:var(--fg-muted);letter-spacing:-.012em}

/* --- 21. FEATURE BAND ---------------------------------------------------- */
.feature{
  background:linear-gradient(158deg,#061224,#0A2145 56%,#0B3C86 145%);
  color:#B9C9DE;border-radius:var(--r-xl);padding:clamp(28px,5vw,64px);
  display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,4vw,56px);align-items:center;
  position:relative;overflow:hidden;
}
.feature::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,194,168,.16),transparent 65%);pointer-events:none;
}
@media (max-width:880px){.feature{grid-template-columns:1fr}}
.feature h2{color:#fff}
.feature p{color:#B9C9DE;max-width:52ch;margin-top:16px}
.feature .eyebrow{color:#7FB0FF}
.feature__box{border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:22px;background:rgba(255,255,255,.05);backdrop-filter:blur(6px);position:relative;z-index:1}
.feature__row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.10)}
.feature__row:last-of-type{border-bottom:0}
.feature__row b{font:500 15px var(--mono);color:#fff}
.feature__row span{font-size:13.5px;color:#8FA6C2;margin-left:auto}

/* --- 22. CREDENTIALS / LISTS --------------------------------------------- */
.cred{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--border)}
.cred:last-child{border-bottom:0}
.cred__tick{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--vital-100);color:var(--vital-700);display:grid;place-items:center;margin-top:3px}
[data-theme="dark"] .cred__tick{color:var(--vital-500)}
.cred b{display:block;color:var(--fg-strong);font-size:16px;margin-bottom:3px;font-weight:600}
.cred span{font-size:15px;color:var(--fg-muted);line-height:1.55}

.ticklist li{position:relative;padding:9px 0 9px 30px;font-size:16px;color:var(--fg)}
.ticklist li::before{
  content:"";position:absolute;left:2px;top:15px;width:12px;height:6px;
  border-left:2px solid var(--vital-600);border-bottom:2px solid var(--vital-600);
  transform:rotate(-45deg);
}
.numlist{counter-reset:n}
.numlist li{counter-increment:n;position:relative;padding:0 0 22px 46px}
.numlist li:last-child{padding-bottom:0}
.numlist li::before{
  content:counter(n,decimal-leading-zero);position:absolute;left:0;top:0;
  width:30px;height:30px;border-radius:9px;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font:600 12px var(--mono);
}
.numlist b{display:block;color:var(--fg-strong);font-size:17px;margin-bottom:4px;font-weight:600}
.numlist p{color:var(--fg-muted);font-size:15.5px}

/* --- 23. TIMELINE -------------------------------------------------------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step}
@media (max-width:860px){.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:540px){.timeline{grid-template-columns:1fr}}
.tstep{position:relative;padding-top:36px}
.tstep::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:0;left:0;font:600 12px var(--mono);letter-spacing:.12em;color:var(--accent);
}
.tstep::after{content:"";position:absolute;top:23px;left:0;right:-22px;height:1px;background:var(--border)}
.tstep:last-child::after{right:0}
.tstep h4{margin-bottom:6px}
.tstep p{font-size:15.5px;color:var(--fg-muted)}

/* --- 24. FINAL CTA ------------------------------------------------------- */
.finalcta{
  background:linear-gradient(158deg,#061224,#0A2145 58%,#0B3C86 150%);
  color:#B9C9DE;text-align:center;position:relative;overflow:hidden;
}
.finalcta::after{
  content:"";position:absolute;width:700px;height:700px;left:50%;bottom:-460px;transform:translateX(-50%);
  border-radius:50%;background:radial-gradient(circle,rgba(11,95,255,.30),transparent 62%);pointer-events:none;
}
.finalcta h2{color:#fff;max-width:22ch;margin:14px auto 16px}
.finalcta p{color:#B9C9DE;max-width:56ch;margin:0 auto 30px}
.finalcta .eyebrow{color:#7FB0FF}
.finalcta__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.finalcta__note{margin-top:26px;font-size:14px;color:#7F97B5}

/* --- 25. FOOTER ---------------------------------------------------------- */
.footer{background:var(--ink-900);color:#8FA6C2;padding:clamp(48px,6vw,80px) 0 30px;font-size:15px}
[data-theme="dark"] .footer{background:#040D19;border-top:1px solid rgba(255,255,255,.07)}
.footer__grid{display:grid;grid-template-columns:1.7fr repeat(4,minmax(0,1fr));gap:36px}
@media (max-width:1000px){.footer__grid{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:640px){.footer__grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:420px){.footer__grid{grid-template-columns:1fr}}
.footer__brand{grid-column:span 1}
@media (max-width:1000px){.footer__brand{grid-column:1 / -1}}
.footer h2,.footer h5,.footer .t-h5{color:#fff}
.footer h5,.footer .t-h5{font:600 12px var(--mono);letter-spacing:.11em;text-transform:uppercase;margin-bottom:16px}
.footer a{color:#8FA6C2}
.footer a:hover{color:#fff}
.footer li{margin-bottom:4px;line-height:1.45}
/* WCAG 2.5.8 — footer link targets reach the 24px minimum */
.footer li > a,.footer__bottom > a{display:inline-flex;align-items:center;min-height:26px;padding-block:2px}
.footer address li{padding-block:4px}
.footer .brand{color:#fff;margin-bottom:14px}
.footer__promise{color:var(--vital-500);font-weight:700;font-size:16px;margin:14px 0}
.footer__news{margin-top:22px;max-width:340px}
.footer__news .input{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff}
.footer__news .input::placeholder{color:#6F87A5}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:24px;
  display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;font-size:13.5px;
}
.footer__wink{margin-left:auto;font-style:italic;color:#8FA6C2}
@media (max-width:640px){.footer__wink{margin-left:0}}
.footer__legal{font-size:12.5px;color:#8098B6;margin-top:18px;max-width:86ch;line-height:1.6}
address{font-style:normal}

/* --- 26. STICKY MOBILE BAR ----------------------------------------------- */
.mbar{
  position:fixed;left:0;right:0;bottom:0;z-index:var(--z-sticky);display:none;gap:10px;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(16px);border-top:1px solid var(--border);
  transform:translateY(110%);transition:transform var(--t-slow) var(--ease);
}
.mbar[data-show="true"]{transform:translateY(0)}
.mbar .btn{flex:1;padding-inline:12px}
@media (max-width:820px){.mbar{display:flex} body{padding-bottom:76px}}

/* --- 27. SCROLL REVEAL --------------------------------------------------- */
/* Content must never depend on JS to be visible. The .js class is set by the
   inline head script, so without JS everything renders at full opacity. */
.reveal{transition:opacity var(--t-slower) var(--ease),transform var(--t-slower) var(--ease)}
.js .reveal{opacity:0;transform:translateY(18px)}
.js .reveal.is-in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:70ms}
.reveal[data-delay="2"]{transition-delay:140ms}
.reveal[data-delay="3"]{transition-delay:210ms}
.reveal[data-delay="4"]{transition-delay:280ms}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none}}

/* Reading progress */
.progress{position:fixed;top:0;left:0;height:3px;background:var(--accent);z-index:calc(var(--z-nav) + 20);width:0;transition:width 80ms linear}

/* --- 28. ARTICLE --------------------------------------------------------- */
.article{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(32px,5vw,72px);align-items:start}
@media (max-width:960px){.article{grid-template-columns:1fr}}
.prose{max-width:70ch;font-size:18px;line-height:1.75}
.prose > * + *{margin-top:22px}
.prose h2{font-size:clamp(24px,2.8vw,32px);margin-top:48px}
.prose h3{font-size:21px;margin-top:34px}
.prose ul,.prose ol{padding-left:0}
.prose ul li{position:relative;padding-left:26px;margin-top:10px}
.prose ul li::before{content:"";position:absolute;left:6px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.prose ol{counter-reset:p}
.prose ol li{counter-increment:p;position:relative;padding-left:34px;margin-top:10px}
.prose ol li::before{content:counter(p) ".";position:absolute;left:0;top:0;font-family:var(--mono);font-size:15px;color:var(--accent);font-weight:600}
.prose blockquote{border-left:3px solid var(--accent);padding-left:20px;font-size:19px;color:var(--fg-strong);font-style:italic}
.toc{position:sticky;top:calc(var(--header-h) + 28px);border-left:1px solid var(--border);padding-left:20px}
@media (max-width:960px){.toc{position:static;border-left:0;padding-left:0;border-top:1px solid var(--border);padding-top:20px}}
.toc h5,.toc .t-h5{font:600 11.5px var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--fg-muted);margin-bottom:14px}
.toc a{display:block;padding:6px 0;font-size:14.5px;color:var(--fg-muted)}
.toc a:hover,.toc a.is-active{color:var(--accent);text-decoration:none}
.toc .btn--primary{color:#fff}
.toc .btn--secondary{color:var(--fg-strong)}
.toc .btn{padding-block:0}
.authorbox{display:flex;gap:16px;padding:24px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg-alt);margin-top:48px}
.authorbox__av{flex:0 0 52px;width:52px;height:52px;border-radius:50%;background:linear-gradient(150deg,var(--cryo-600),var(--cryo-800));color:#fff;display:grid;place-items:center;font:700 16px var(--mono)}

/* --- 29. MISC ------------------------------------------------------------ */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.divider{height:1px;background:var(--border);margin-block:var(--s10)}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;min-height:38px;padding:8px 15px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:var(--bg-raised);font-size:14px;font-weight:500;color:var(--fg);
  transition:all var(--t-fast) var(--ease-io);
}
a.pill:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 20px;font-size:15.5px}
.kv dt{color:var(--fg-muted);white-space:nowrap}
.kv dd{color:var(--fg-strong);font-weight:500}
.kv dd a{display:inline-flex;align-items:center;min-height:26px}
.imgframe{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--border);background:var(--bg-alt);box-shadow:var(--e2)}
.imgframe img{width:100%;height:auto;display:block}
.ratio-43{aspect-ratio:4/3}.ratio-169{aspect-ratio:16/9}.ratio-11{aspect-ratio:1/1}
.obj-cover{width:100%;height:100%;object-fit:cover}

/* --- 30. IMAGERY --------------------------------------------------------- */
picture{display:block}
.media{
  position:relative;display:block;overflow:hidden;border-radius:var(--r-xl);
  background:var(--surface-3);border:1px solid var(--border);box-shadow:var(--e2);
}
[data-theme="dark"] .media{background:#0E1B2C}
.media img{width:100%;height:100%;object-fit:cover;display:block}
/* Unified brand grade: cool, high contrast, slight blue lift in shadow */
.media img{filter:saturate(.92) contrast(1.04)}
.media--tint::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(150deg,rgba(11,95,255,.16),transparent 46%,rgba(6,18,36,.30));
  mix-blend-mode:multiply;
}
.media--hero{border-radius:var(--r-xl);box-shadow:var(--e3)}
.media--zoom img{transition:transform var(--t-slower) var(--ease)}
a:hover > .media--zoom img,.card--hover:hover .media--zoom img{transform:scale(1.035)}

/* Caption strip over an image */
.media__cap{
  position:absolute;left:0;right:0;bottom:0;padding:20px 22px;color:#fff;
  background:linear-gradient(to top,rgba(4,12,25,.86),transparent);
  font-size:14.5px;line-height:1.45;
}
.media__cap b{display:block;font-size:16px;margin-bottom:2px}

/* Card with a leading image */
.card--media{padding:0;overflow:hidden}
.card--media .media{border:0;border-radius:0;box-shadow:none}
.card--media .card__body{padding:24px}
[data-eq-img]{transition:opacity var(--t-base) var(--ease-io)}

/* Split hero image sits flush on small screens */
@media (max-width:980px){ .media--hero{border-radius:var(--r-lg)} }