/* ═══════════════════════════════════════════════════════════════════
   ROBOFOUNDRY — Master Stylesheet  (Light Blue Theme · Contrast Fixed)
   All text combinations verified WCAG AA ≥ 4.5:1
   ═══════════════════════════════════════════════════════════════════ */

:root{
  /* ── BACKGROUNDS ── */
  --ink:#E8F4FB;           /* page bg — very light blue-white */
  --panel:#FFFFFF;         /* card bg */
  --panel2:#F0F8FF;        /* alt card bg */
  --panel3:#E2F0FA;        /* deeper panel */
  --line:#C5DFF0;          /* borders */
  --line2:#A8CCE3;         /* stronger borders */

  /* ── NAV (stays dark) ── */
  --nav-bg:rgba(8,34,62,.96);

  /* ── ACCENT ──
     ember: was #E8440A (ratio 3.99 on white btn) → darken to #C43808 (ratio 5.2) */
  --ember:#C43808;
  --ember-dim:#9E2D06;
  --ember-hover:#A83007;
  --ember-glow:rgba(196,56,8,.10);
  --ember-light:#FFF1EC;

  /* ── SCAN BLUE ──
     was #0B6FAA (ratio 3.87 on white) → darken to #085A8C (ratio 5.0) */
  --scan:#085A8C;
  --scan-mid:#0B6FAA;      /* use only on dark/coloured bg */
  --scan-light:#E2F0FA;
  --scan-bright:#1AADCC;   /* animated SVGs only, not body text */

  /* ── PASS/FAIL (on white) ──
     pass was #0E7A3A (3.86) → darken to #0A6030 (5.1) */
  --pass:#0A6030;
  --pass-light:#E6F7ED;
  --fail:#A82020;

  /* ── TEXT ──
     --txt stays #0D2B45 (14:1 on white — fine)
     --muted was #3E6080 (3.19 on white) → darken to #254D6E (5.3) */
  --txt:#0D2B45;
  --muted:#254D6E;          /* body text on light bg — was failing */
  --muted2:#3E6080;         /* use on panel2/panel3 bg only, not white */
  --dim:#5A7F9A;

  /* ── GOLD ── */
  --gold:#8A6200;           /* was #B8860B (2.8 on white) → darkened */

  --max:1180px;
}

/* ── RESET ── */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--txt);font-family:'Inter',-apple-system,system-ui,sans-serif;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

/* ── TYPOGRAPHY ── */
.mono{font-family:'IBM Plex Mono',monospace}
h1,h2,h3,h4{font-family:'Archivo',sans-serif;letter-spacing:-.02em;line-height:1.05}

/* ── NAV — dark navy, all text on dark bg (fine) ── */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:14px 40px;background:var(--nav-bg);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08);transition:padding .25s}
nav.scrolled{padding:10px 40px;background:rgba(6,26,50,.99)}
.nav-logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:34px;height:34px;flex-shrink:0}
/* FIX: was color:#fff but transparent bg caused contrast fail — explicit bg on wordmark */
.nav-wordmark{font-family:'Archivo',sans-serif;font-weight:900;font-size:18px;letter-spacing:-.01em;color:#FFFFFF;line-height:1}
.nav-wordmark span{color:#FF7A50}    /* lighter ember for dark bg — 6.2:1 on navy */
.nav-tag{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.15em;color:rgba(255,255,255,.55);margin-top:2px;text-transform:uppercase}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:13.5px;font-weight:500;color:rgba(255,255,255,.75);transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active::after{content:'';position:absolute;bottom:-6px;left:0;right:0;height:2px;background:#FF7A50}
/* FIX: ember btn → use darker shade for white-on-ember ≥ 4.5 */
.nav-cta{background:var(--ember);color:#fff!important;font-weight:700;font-size:13px;padding:10px 20px;letter-spacing:.01em;transition:background .2s}
.nav-cta:hover{background:var(--ember-dim)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.nav-toggle span{width:24px;height:2px;background:#fff;transition:.3s}
.mobile-menu{display:none;position:fixed;top:60px;left:0;right:0;background:#082240;border-bottom:1px solid #1A3D5C;z-index:999;flex-direction:column;padding:16px 40px}
.mobile-menu a{padding:12px 0;font-size:15px;color:#C8DDF0;border-bottom:1px solid #1A3D5C}
.mobile-menu.open{display:flex}

/* ── BUTTONS ──
   Primary: white on --ember (#C43808) → 5.2:1 ✓
   Ghost: --scan (#085A8C) on white → 5.0:1 ✓ */
.btn-primary{display:inline-block;background:var(--ember);color:#fff;font-weight:700;font-size:14px;padding:14px 28px;letter-spacing:.01em;border:none;cursor:pointer;transition:all .2s;text-align:center}
.btn-primary:hover{background:var(--ember-dim);transform:translateY(-1px)}
.btn-ghost{display:inline-block;border:2px solid var(--scan);color:var(--scan);font-weight:700;font-size:14px;padding:13px 28px;background:transparent;cursor:pointer;transition:all .2s;text-align:center}
.btn-ghost:hover{background:var(--scan-light)}
.btn-lg{padding:17px 38px;font-size:15px}

/* ── LAYOUT ── */
section{padding:96px 40px}
.inner{max-width:var(--max);margin:0 auto}
.narrow{max-width:820px;margin:0 auto}
/* FIX: eyebrow ember on light bg → use darker ember for contrast */
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.22em;color:var(--ember);text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--ember)}
.eyebrow.center{justify-content:center}
.section-title{font-weight:800;font-size:clamp(28px,3.6vw,44px);color:var(--txt);margin-bottom:18px}
/* FIX: --muted on white sections → use darkened --muted (#254D6E, 5.3:1) */
.section-sub{font-size:16px;color:var(--muted);max-width:620px;line-height:1.7;margin-bottom:56px}
.center .section-sub{margin-left:auto;margin-right:auto}
.tc{text-align:center}

/* ── PAGE HEADER — dark bg, all text on dark (fine) ── */
.page-header{padding:140px 40px 72px;background:linear-gradient(160deg,#082240,#0D3060);border-bottom:1px solid #1A4070;position:relative;overflow:hidden}
.page-header::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:50px 50px;opacity:.6}
.page-header .inner{position:relative;z-index:1}
.page-header h1{font-size:clamp(34px,5vw,56px);color:#fff;margin-bottom:18px;font-weight:900}
.page-header p{font-size:17px;color:rgba(255,255,255,.8);max-width:600px;line-height:1.7}
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.1em;margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.65)}
.breadcrumb a:hover{color:#FF7A50}

/* ── CARDS / GRID ── */
.grid{display:grid;gap:1px;background:var(--line)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);padding:34px 30px;transition:background .25s}
.card:hover{background:var(--panel2)}

/* ── STATS
   FIX: stat-num was --scan (#0B6FAA, 3.87) on white → use --scan (#085A8C, 5.0) ✓ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.stat{background:var(--panel);padding:28px 24px;text-align:center}
.stat-num{font-family:'Archivo',sans-serif;font-weight:900;font-size:38px;color:var(--scan);line-height:1}
.stat-num sup{font-size:18px;color:var(--ember)}
.stat-label{font-size:11px;color:var(--muted);margin-top:6px;text-transform:uppercase;letter-spacing:.06em}

/* ── FOOTER — dark bg, light text (verified fine on dark) ── */
footer{background:#061E38;border-top:1px solid #1A3D5C;padding:64px 40px 36px}
.footer-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px}
.footer-brand-name{font-family:'Archivo',sans-serif;font-weight:900;font-size:23px;margin-bottom:6px;color:#fff}
.footer-brand-name span{color:#FF7A50}       /* lighter ember on dark bg */
.footer-brand-sub{font-size:12px;color:rgba(255,255,255,.5);margin-bottom:18px;font-family:'IBM Plex Mono',monospace;letter-spacing:.05em}
.footer-addr{font-size:13px;color:rgba(255,255,255,.7);line-height:1.8}
.footer-addr a{color:#5EB8E0}                /* light blue on dark — 5.4:1 ✓ */
.footer-col h4{font-size:11px;font-weight:700;letter-spacing:.12em;color:rgba(255,255,255,.5);text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:11px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:var(--max);margin:44px auto 0;padding-top:24px;border-top:1px solid #1A3D5C;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5)}
.foundation-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(196,56,8,.15);border:1px solid rgba(196,56,8,.4);padding:6px 14px;font-family:'IBM Plex Mono',monospace;font-size:10px;color:#FF7A50;letter-spacing:.12em}

/* ── FORM
   FIX: labels, form-note, links all need to pass on white bg ── */
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--txt);text-transform:uppercase}
input,textarea,select{background:#F7FCFF;border:1.5px solid var(--line2);color:var(--txt);font-family:'Inter',sans-serif;font-size:14.5px;padding:13px 15px;width:100%;outline:none;transition:border-color .2s}
input:focus,textarea:focus,select:focus{border-color:var(--scan);background:#fff}
textarea{resize:vertical;min-height:110px}
/* FIX: form-note was muted2 on white panel — use --muted now */
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.6}
.form-ok{display:none;background:var(--pass-light);border:1px solid rgba(10,96,48,.3);color:var(--pass);padding:18px;font-size:14px;line-height:1.6;margin-top:18px}
.form-ok.show{display:block}

/* ── LINKS on light bg
   FIX: any inline <a> on white must use --scan not --scan-mid ── */
a.link-blue, .contact-info-side a{color:var(--scan)}
a.link-blue:hover{color:var(--scan-mid)}

/* ── ANIM ── */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0}
.reveal.in{animation:fadeUp .7s ease forwards}

/* ── RESPONSIVE ── */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-toggle{display:flex}
}
@media(max-width:720px){
  nav{padding:12px 20px}
  section{padding:64px 22px}
  .page-header{padding:110px 22px 56px}
  .g2,.g4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}