/* ============================================================
   AI VELOX TOOLS — Design System
   "Velox" (Latin: swift). Instrument-panel aesthetic:
   near-black navy, cobalt signature accent, mono numerals.
   ============================================================ */

:root{
  --bg:        #080b13;
  --surface:   #10151f;
  --surface-2: #161c2a;
  --border:    #232a3d;
  --border-lt: #2c3550;

  --blue:      #2f5bff;
  --blue-dim:  #1a3aad;
  --blue-glow: rgba(47,91,255,.35);
  --gold:      #e8b64c;

  --text:      #eef2fb;
  --muted:     #8a93ab;
  --muted-dim: #5c6480;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 20px;

  --max: 1180px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  color:#fff;
  line-height:1.15;
  letter-spacing:-.01em;
}

a{color:var(--blue);text-decoration:none}
a:hover{color:#5b7dff}

.mono{font-family:'JetBrains Mono',monospace}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

img{max-width:100%;display:block}

/* ---------- Skip link / focus ---------- */
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;
  padding:10px 16px;border-radius:0 0 8px 0;z-index:1000;
}
.skip-link:focus{left:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--gold);outline-offset:2px;
}

/* ---------- Header ---------- */
header{
  background:rgba(8,11,19,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;height:64px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.25rem;
  color:#fff;display:flex;align-items:center;gap:8px;
}
.logo .dot{color:var(--blue)}
nav.main-nav{display:flex;gap:28px;align-items:center}
nav.main-nav a{color:var(--muted);font-size:.9rem;font-weight:500}
nav.main-nav a:hover{color:var(--text)}
nav.main-nav a.cta{
  background:var(--blue);color:#fff;padding:9px 16px;border-radius:var(--r-sm);
  font-weight:600;
}
nav.main-nav a.cta:hover{background:#4468ff;color:#fff}
.nav-toggle{display:none}

@media(max-width:760px){
  nav.main-nav{
    position:fixed;inset:64px 0 0 0;background:var(--bg);
    flex-direction:column;align-items:flex-start;padding:24px;
    gap:4px;transform:translateX(100%);transition:transform .25s ease;
    border-top:1px solid var(--border);
  }
  nav.main-nav.open{transform:translateX(0)}
  nav.main-nav a{padding:14px 8px;width:100%;border-bottom:1px solid var(--border)}
  nav.main-nav a.cta{width:auto;margin-top:8px;border-bottom:none}
  .nav-toggle{
    display:block;background:none;border:1px solid var(--border);color:var(--text);
    width:40px;height:40px;border-radius:var(--r-sm);font-size:1.1rem;cursor:pointer;
  }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 72px;
  border-bottom:1px solid var(--border);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(600px 400px at 80% -10%, var(--blue-glow), transparent 60%),
    radial-gradient(500px 300px at 10% 110%, rgba(232,182,76,.12), transparent 60%);
}
.hero-inner{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold);font-size:.78rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:clamp(2.3rem,4.4vw,3.6rem);margin-bottom:20px}
.hero h1 .accent{color:var(--blue)}
.hero p.lede{color:var(--muted);font-size:1.12rem;max-width:520px;margin-bottom:32px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:var(--r-sm);font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#4468ff;color:#fff}
.btn-ghost{background:transparent;border-color:var(--border-lt);color:var(--text)}
.btn-ghost:hover{border-color:var(--blue);color:var(--text)}

/* signature: velocity gauge */
.gauge-wrap{display:flex;align-items:center;justify-content:center}
.gauge{width:100%;max-width:340px}
.gauge-arc-bg{fill:none;stroke:var(--surface-2);stroke-width:10}
.gauge-arc{
  fill:none;stroke:var(--blue);stroke-width:10;stroke-linecap:round;
  stroke-dasharray:402; stroke-dashoffset:402;
  animation:sweep 1.6s cubic-bezier(.2,.8,.2,1) .2s forwards;
}
.gauge-needle{
  transform-origin:170px 170px;
  transform:rotate(-90deg);
  animation:needle 1.8s cubic-bezier(.2,.8,.2,1) .2s forwards;
}
@keyframes sweep{to{stroke-dashoffset:60}}
@keyframes needle{to{transform:rotate(38deg)}}
.gauge-label{fill:var(--muted);font-size:12px;font-family:'JetBrains Mono',monospace}
.gauge-value{fill:#fff;font-size:30px;font-family:'Space Grotesk',sans-serif;font-weight:700}
@media (prefers-reduced-motion: reduce){
  .gauge-arc,.gauge-needle{animation:none;stroke-dashoffset:60;transform:rotate(38deg)}
}

@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero p.lede{margin-left:auto;margin-right:auto}
  .hero-ctas{justify-content:center}
  .gauge{max-width:240px}
}

/* ---------- Sections ---------- */
section{padding:72px 0}
.section-head{max-width:640px;margin:0 auto 40px}
.section-head.left{margin-left:0}
.section-head .eyebrow{margin-bottom:12px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px}
.section-head p{color:var(--muted)}

.divider{
  height:1px;background:linear-gradient(90deg,transparent,var(--border-lt),transparent);
  max-width:var(--max);margin:0 auto;
}

/* ---------- Tool cards ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:760px){.tool-grid{grid-template-columns:1fr}}
.tool-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;transition:border-color .2s, transform .2s;position:relative;overflow:hidden;
}
.tool-card:hover{border-color:var(--blue);transform:translateY(-3px)}
.tool-card .status{
  position:absolute;top:24px;right:24px;font-size:.7rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--gold);
  font-family:'JetBrains Mono',monospace;
}
.tool-card h3{font-size:1.3rem;margin-bottom:10px;padding-right:80px}
.tool-card p{color:var(--muted);margin-bottom:20px;font-size:.95rem}
.tool-card .btn{padding:10px 18px;font-size:.88rem}

/* roadmap chips (NOT links — nothing built yet) */
.roadmap-cats{display:flex;flex-wrap:wrap;gap:10px}
.rmap-chip{
  background:var(--surface-2);border:1px solid var(--border);border-radius:20px;
  padding:9px 16px;font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.rmap-chip .count{
  background:rgba(47,91,255,.15);color:#7d97ff;font-size:.7rem;font-weight:700;
  padding:2px 8px;border-radius:10px;font-family:'JetBrains Mono',monospace;
}

/* ---------- Trust / methodology strip ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:760px){.trust-grid{grid-template-columns:1fr}}
.trust-item{padding:24px;border-left:2px solid var(--blue)}
.trust-item h4{font-size:1rem;margin-bottom:8px;color:#fff}
.trust-item p{color:var(--muted);font-size:.9rem}

/* ---------- Generic content pages (about/legal) ---------- */
.page-header{
  padding:56px 0 32px;border-bottom:1px solid var(--border);
  background:radial-gradient(500px 240px at 15% 0%, var(--blue-glow), transparent 70%);
}
.page-header h1{font-size:clamp(1.9rem,3.5vw,2.6rem)}
.page-header .updated{color:var(--muted-dim);font-size:.85rem;margin-top:10px;font-family:'JetBrains Mono',monospace}
.content-page{padding:48px 0 80px}
.content-page .prose{max-width:760px}
.prose h2{font-size:1.35rem;margin:36px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.1rem;margin:24px 0 10px;color:var(--text)}
.prose p{color:var(--muted);margin-bottom:14px}
.prose ul,.prose ol{color:var(--muted);margin:0 0 14px 22px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--text)}
.prose a{text-decoration:underline}

/* callout box */
.callout{
  background:var(--surface);border:1px solid var(--border-lt);border-left:3px solid var(--gold);
  border-radius:var(--r-md);padding:18px 20px;margin:24px 0;color:var(--muted);font-size:.92rem;
}
.callout strong{color:var(--text)}

/* ---------- Sitemap page ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
@media(max-width:760px){.sitemap-grid{grid-template-columns:1fr}}
.sitemap-col h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.sitemap-col a{display:block;color:var(--text);font-size:.95rem;margin-bottom:10px}
.sitemap-col a:hover{color:var(--blue)}
.sitemap-col .soon{color:var(--muted-dim);font-size:.85rem;font-style:italic}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr}}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px}
.contact-card h3{font-size:1rem;margin-bottom:8px}
.contact-card p{color:var(--muted);font-size:.9rem;margin-bottom:0}
.contact-card + .contact-card{margin-top:16px}

/* ---------- Footer ---------- */
footer{background:var(--surface);border-top:1px solid var(--border);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-brand p{color:var(--muted);font-size:.88rem;margin-top:12px;max-width:280px}
.footer-col h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px;font-weight:600}
.footer-col a{display:block;color:var(--muted);font-size:.88rem;margin-bottom:9px}
.footer-col a:hover{color:var(--text)}
.footer-bottom{
  max-width:var(--max);margin:0 auto;padding-top:24px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.8rem;color:var(--muted-dim);
}
.footer-bottom a{color:var(--muted-dim)}
.footer-bottom a:hover{color:var(--muted)}