/* =====================================================================
   CODAPHONE — Design System  (coda.css)   v2, build session 1
   Custom, premium, 2026 standards. Not derived from any sister product.
   Principles: clarity-led minimalism · 8pt spacing grid · fluid type ·
   one accent used sparingly · thin sticky header, hairline on scroll ·
   solid, calm components. Fonts: Geist (UI+headings) + Orbitron (wordmark).
   Dark is the brand default; light is a first-class accommodation.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Orbitron:wght@600;700;800&display=swap');

/* ============================ TOKENS ============================ */
:root{
  color-scheme: dark;

  /* — surfaces (dark) — */
  --bg:#09090b; --bg-2:#0d0d10; --surface:#121216; --surface-2:#17171c; --elevated:#1c1c22;
  --border:#212127; --border-strong:#2c2c34;

  /* — text — */
  --text:#f5f5f7; --text-2:#a2a2ad; --text-3:#6b6b76;

  /* — accent (used sparingly) — */
  --accent:#f2a93b; --accent-hi:#ffcf7a; --accent-deep:#c47a24; --on-accent:#0a0a0c;
  --accent-soft:rgba(242,169,59,.12); --accent-line:rgba(242,169,59,.28);

  /* — status — */
  --ok:#46c97e; --warn:#e2b341; --bad:#e98080;

  /* — spacing scale (8pt grid) — */
  --sp-1:.25rem; --sp-2:.5rem; --sp-3:.75rem; --sp-4:1rem; --sp-5:1.5rem;
  --sp-6:2rem; --sp-7:3rem; --sp-8:4rem; --sp-9:6rem; --sp-10:8rem;

  /* — radius — */
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:20px; --r-xl:28px; --r-full:999px;

  /* — fluid type scale — */
  --fs-xs:.75rem; --fs-sm:.875rem; --fs-base:1rem;
  --fs-lead:clamp(1.05rem, .98rem + .55vw, 1.3rem);
  --fs-h3:clamp(1.2rem, 1.1rem + .55vw, 1.5rem);
  --fs-h2:clamp(1.6rem, 1.28rem + 1.45vw, 2.45rem);
  --fs-h1:clamp(2.1rem, 1.55rem + 2.5vw, 3.3rem);
  --fs-display:clamp(2.6rem, 1.55rem + 4.6vw, 4.85rem);

  /* — layout — */
  --maxw:1200px; --maxw-prose:720px;
  --gutter:clamp(20px, 5vw, 40px);
  --header-h:64px;

  /* — elevation — */
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-lg:0 30px 60px -30px rgba(0,0,0,.8);
  --shadow-accent:0 12px 40px -16px rgba(242,169,59,.35);

  /* — motion — */
  --t-fast:120ms; --t:180ms; --t-slow:320ms; --ease:cubic-bezier(.2,.6,.2,1);

  /* — fonts — */
  --font:'Geist', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-brand:'Orbitron', var(--font);
}

:root.light{
  color-scheme: light;
  --bg:#fbfaf8; --bg-2:#ffffff; --surface:#ffffff; --surface-2:#f6f4ef; --elevated:#ffffff;
  --border:#e7e3da; --border-strong:#d8d2c6;
  --text:#141416; --text-2:#5b5850; --text-3:#8e8a80;
  --accent:#b9781a; --accent-hi:#d99a3a; --accent-deep:#8a560f; --on-accent:#ffffff;
  --accent-soft:rgba(185,120,26,.10); --accent-line:rgba(185,120,26,.26);
  --shadow-sm:0 1px 2px rgba(80,60,20,.08);
  --shadow:0 10px 26px -14px rgba(80,60,20,.22);
  --shadow-lg:0 30px 60px -30px rgba(80,60,20,.28);
  --shadow-accent:0 14px 40px -18px rgba(185,120,26,.30);
}

/* ============================ RESET ============================ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:var(--fs-base);
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
  min-height:100dvh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
::selection{background:var(--accent-soft)}
@media (prefers-reduced-motion:no-preference){
  body,.btn,.nav-link,.card,.field,.site-header{
    transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  }
}

/* ============================ TYPE ============================ */
h1,h2,h3,h4{font-family:var(--font);font-weight:600;line-height:1.08;letter-spacing:-.02em;color:var(--text)}
h1{font-size:var(--fs-h1)}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);letter-spacing:-.01em}
p{color:var(--text-2)}
strong{color:var(--text);font-weight:600}
.display{font-size:var(--fs-display);font-weight:700;line-height:1.02;letter-spacing:-.03em;color:var(--text)}
.lead{font-size:var(--fs-lead);line-height:1.55;color:var(--text-2)}
.eyebrow{font-size:var(--fs-xs);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--text-2)} .faint{color:var(--text-3)}
.accent{color:var(--accent)}
.tabular{font-variant-numeric:tabular-nums}
.balance{text-wrap:balance}

/* ============================ LAYOUT ============================ */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.prose{max-width:var(--maxw-prose)}
.section{padding-block:clamp(3.5rem, 2rem + 6vw, 7rem)}
.stack{display:flex;flex-direction:column}
.center{text-align:center;margin-inline:auto}

/* ============================ BUTTONS ============================ */
.btn{
  --btn-pad-y:.72rem; --btn-pad-x:1.15rem;
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:var(--btn-pad-y) var(--btn-pad-x);
  font-size:var(--fs-sm);font-weight:600;letter-spacing:-.01em;line-height:1;
  border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;
  white-space:nowrap;user-select:none;
  transition:transform var(--t-fast) var(--ease),background-color var(--t) var(--ease),
             border-color var(--t) var(--ease),color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:var(--shadow-accent)}
.btn-primary:hover{background:var(--accent-hi)}
.btn-secondary{background:var(--surface-2);color:var(--text);border-color:var(--border-strong)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost{background:transparent;color:var(--text-2)}
.btn-ghost:hover{color:var(--text);background:var(--surface-2)}
.btn-lg{--btn-pad-y:.95rem;--btn-pad-x:1.5rem;font-size:var(--fs-base)}
.btn-sm{--btn-pad-y:.5rem;--btn-pad-x:.85rem;font-size:var(--fs-xs)}
.btn-block{width:100%}

/* ============================ SURFACES ============================ */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-6)}
.panel{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);padding:var(--sp-5)}
.hairline{height:1px;background:var(--border);border:0;margin:0}

/* — pills / badges — */
.pill{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--fs-xs);font-weight:600;
  letter-spacing:.02em;padding:.4rem .8rem;border-radius:var(--r-full);
  border:1px solid var(--border-strong);color:var(--text-2);background:var(--surface)}
.pill-accent{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}

/* — inputs — */
.field{display:flex;align-items:center;gap:.6rem;background:var(--surface);border:1px solid var(--border-strong);
  border-radius:var(--r-sm);padding:.75rem .9rem;transition:border-color var(--t),box-shadow var(--t)}
.field:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.field input{flex:1;min-width:0;background:none;border:0;outline:0;color:var(--text);font:inherit}
.field input::placeholder{color:var(--text-3)}
.label{display:block;font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-3);font-weight:600;margin-bottom:.5rem}

/* ============================ HEADER / NAV ============================ */
/* Thin, sticky, transparent at top; a hairline + blur appear on scroll
   (html.is-scrolled toggled by site.js). One primary CTA. */
.site-header{position:sticky;top:0;z-index:100;background:transparent;border-bottom:1px solid transparent}
html.is-scrolled .site-header{
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter:saturate(1.2) blur(14px);-webkit-backdrop-filter:saturate(1.2) blur(14px);
  border-bottom-color:var(--border);
}
.nav-inner{max-width:var(--maxw);margin-inline:auto;padding:0 var(--gutter);height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5)}

/* brand lockup: mark + Coda(ink)/Phone(accent), Orbitron */
.brand{display:inline-flex;align-items:center;gap:.55rem;line-height:1}
.brand .mark{width:28px;height:28px;flex:none;filter:drop-shadow(0 0 8px rgba(242,169,59,.35))}
.brand .word{font-family:var(--font-brand);font-weight:700;font-size:1.2rem;letter-spacing:.04em}
.brand .word .coda{color:var(--text)} .brand .word .phone{color:var(--accent)}

.nav-links{display:flex;align-items:center;gap:var(--sp-5);margin-inline:auto}
.nav-link{font-size:var(--fs-sm);font-weight:500;color:var(--text-2);transition:color var(--t)}
.nav-link:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:var(--sp-3)}

/* CSS-only mobile drawer (checkbox hack); markup: #navToggle before .nav-inner */
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.nav-burger{display:none;width:40px;height:40px;flex:none;align-items:center;justify-content:center;
  border:1px solid var(--border-strong);border-radius:var(--r-xs);background:var(--surface-2);cursor:pointer}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;width:17px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--t),top var(--t)}
.nav-burger span::before{top:-6px} .nav-burger span::after{top:6px}
.nav-toggle:checked ~ .nav-inner .nav-burger span{background:transparent}
.nav-toggle:checked ~ .nav-inner .nav-burger span::before{top:0;transform:rotate(45deg)}
.nav-toggle:checked ~ .nav-inner .nav-burger span::after{top:0;transform:rotate(-45deg)}

@media (max-width:820px){
  .nav-burger{display:inline-flex;order:3}
  .brand{order:1;margin-right:auto}
  .nav-actions{order:2}
  .nav-links{order:4;position:absolute;left:0;right:0;top:var(--header-h);margin:0;flex-direction:column;
    align-items:stretch;gap:0;background:color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;opacity:0;transition:max-height var(--t-slow) var(--ease),opacity var(--t)}
  .nav-toggle:checked ~ .nav-inner .nav-links{max-height:70vh;opacity:1}
  .nav-links .nav-link{padding:.9rem var(--gutter);border-top:1px solid var(--border);font-size:1rem}
}

/* theme toggle host (site.js / theme.js injects the button) */
.theme-host{display:inline-flex}

/* ============================ FOOTER ============================ */
/* Full marketing footer: intent-based columns (not a header mirror). */
.site-footer{border-top:1px solid var(--border);background:var(--bg-2);margin-top:var(--sp-9)}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:var(--sp-6);
  max-width:var(--maxw);margin-inline:auto;padding:var(--sp-8) var(--gutter) var(--sp-6)}
.footer-brand .brand{margin-bottom:var(--sp-3)}
.footer-brand p{font-size:var(--fs-sm);color:var(--text-3);max-width:34ch}
.footer-col h4{font-size:var(--fs-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);
  font-weight:600;margin-bottom:var(--sp-4)}
.footer-col a{display:block;font-size:var(--fs-sm);color:var(--text-2);padding:.35rem 0;transition:color var(--t)}
.footer-col a:hover{color:var(--accent)}
.footer-bar{border-top:1px solid var(--border);max-width:var(--maxw);margin-inline:auto;
  padding:var(--sp-4) var(--gutter);display:flex;flex-wrap:wrap;gap:var(--sp-4);
  align-items:center;justify-content:space-between}
.footer-bar small{font-size:var(--fs-xs);color:var(--text-3)}
.footer-social{display:flex;gap:var(--sp-3)}
.footer-social a{width:36px;height:36px;display:grid;place-items:center;border-radius:var(--r-xs);
  border:1px solid var(--border);color:var(--text-3);transition:color var(--t),border-color var(--t)}
.footer-social a:hover{color:var(--accent);border-color:var(--accent-line)}

/* Utility-lite footer (landing / coming-soon) */
.footer-lite{border-top:1px solid var(--border);background:var(--bg-2)}
.footer-lite .container{display:flex;flex-wrap:wrap;gap:var(--sp-4);align-items:center;
  justify-content:space-between;padding-block:var(--sp-5)}
.footer-lite small{font-size:var(--fs-xs);color:var(--text-3)}
.footer-lite nav{display:flex;gap:var(--sp-5)}
.footer-lite nav a{font-size:var(--fs-xs);color:var(--text-3);transition:color var(--t)}
.footer-lite nav a:hover{color:var(--text-2)}

@media (max-width:760px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6) var(--sp-5)}
  .footer-brand{grid-column:1 / -1}
}

/* ============================ MOTION ============================ */
@media (prefers-reduced-motion:no-preference){
  html.motion-ready [data-reveal]{opacity:0;transform:translateY(18px);
    transition:opacity .6s var(--ease),transform .6s var(--ease)}
  html.motion-ready [data-reveal].in{opacity:1;transform:none}
  html.motion-ready [data-stagger] > *{opacity:0;transform:translateY(16px);
    transition:opacity .55s var(--ease),transform .55s var(--ease);transition-delay:calc(var(--i,0)*80ms)}
  html.motion-ready [data-stagger].in > *{opacity:1;transform:none}
}

/* ============================ A11Y ============================ */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:1000;padding:.6rem 1rem;
  background:var(--accent);color:var(--on-accent);font-weight:600;border-radius:0 0 var(--r-xs) 0}
.skip-link:focus{left:0}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}