/* ============================================================
   QuietCadre — design system
   Palette sourced from kitty-dev.org (light theme).
   Dark-theme HSL kept for future use:
     --background:222.2 84% 4.9%; --primary:210 40% 98%; (not implemented)
   ============================================================ */
:root{
  --bg:#FFFFFF;
  --tint:#EFEBFF;          /* light lavender section tint */
  --text:#0B1120;          /* near-black slate */
  --muted:#6B7280;
  --primary:#7C3AED;       /* violet */
  --secondary:#EB60D6;     /* magenta */
  --glow:#B794F6;
  --border:#E2E8F0;
  --grad:linear-gradient(135deg,#7C3AED,#EB60D6);
  --maxw:1120px;
  --radius:16px;
  --shadow:0 10px 30px -12px rgba(15,17,32,.18);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--primary);text-decoration:none}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.4rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,3.2vw,2.6rem)}
h3{font-size:1.2rem}
p{color:var(--muted)}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(56px,8vw,104px)}
.section--tint{background:var(--tint)}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  font-weight:700;color:var(--primary)}
.lead{font-size:1.15rem;max-width:60ch}
.center{text-align:center;margin-inline:auto}
/* buttons */
.btn{display:inline-block;font-weight:600;padding:13px 24px;border-radius:8px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);cursor:pointer;
  border:1px solid transparent;font-size:1rem}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn--ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding-block:14px}
.brand img{height:27px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--text);font-weight:500}
.nav-links a:hover{color:var(--primary)}
.nav-cta{color:#fff !important;padding:9px 18px}
/* active state: body[data-page] highlights matching data-nav */
body[data-page="home"]    a[data-nav="home"],
body[data-page="focus"]   a[data-nav="focus"],
body[data-page="about"]   a[data-nav="about"],
body[data-page="careers"] a[data-nav="careers"],
body[data-page="contact"] a[data-nav="contact"]{color:var(--primary)}
body[data-page="contact"] a[data-nav="contact"].nav-cta{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--text);transition:.25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* footer */
.site-footer{background:#0B1120;color:#cbd5e1;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-block:56px}
.site-footer img{filter:brightness(0) invert(1);opacity:.92;width:auto}
.footer-tag{color:#94a3b8;margin-top:12px;max-width:30ch}
.footer-loc{color:#64748b;margin-top:6px;font-size:.9rem}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-h{color:#fff;font-weight:700;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}
.footer-col a{color:#cbd5e1}.footer-col a:hover{color:#fff}
.footer-base{border-top:1px solid rgba(255,255,255,.1);padding-block:20px}
.footer-base p{color:#64748b;font-size:.85rem}

/* reveal animation */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* hero */
.hero{position:relative;overflow:hidden;text-align:center}
.hero::before{content:"";position:absolute;inset:-20% 0 auto 0;height:520px;z-index:-1;
  background:radial-gradient(620px 320px at 50% 0,rgba(183,148,246,.45),transparent 70%)}
.hero .lead{margin:18px auto 28px}
.hero .btn-row{justify-content:center}
/* generic card grid */
.grid{display:grid;gap:22px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .25s var(--ease)}
.card:hover{transform:translateY(-4px)}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--grad);margin-bottom:16px;
  display:flex;align-items:center;justify-content:center}
.card .ico svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:8px}
.section-head{max-width:64ch;margin-bottom:40px}
.section-head.center{text-align:center}
.section-head h2{margin-top:10px}
/* CTA band */
.cta-band{background:var(--grad);border-radius:24px;color:#fff;text-align:center;
  padding:clamp(40px,6vw,72px);box-shadow:var(--shadow)}
.cta-band h2{color:#fff}.cta-band p{color:rgba(255,255,255,.85);margin:12px auto 24px;max-width:48ch}
.cta-band .btn--ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
/* product feature band */
.product{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  background:var(--tint);border:1px solid var(--border);border-radius:24px;padding:clamp(28px,4vw,52px)}
.badge{display:inline-block;background:var(--grad);color:#fff;font-size:.74rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.product h2{margin:14px 0 12px}
.product-visual{aspect-ratio:4/3;border-radius:18px;box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(420px 240px at 70% 20%,rgba(183,148,246,.7),transparent 70%),var(--grad)}
/* app mockup placeholder (phone) */
.app-mock{width:208px;background:#fff;border-radius:30px;padding:13px;position:relative;
  box-shadow:0 26px 60px -22px rgba(15,17,32,.5)}
.app-notch{position:absolute;top:13px;left:50%;transform:translateX(-50%);
  width:52px;height:7px;border-radius:99px;background:#e2e8f0;z-index:2}
.app-screen{background:#F7F6FC;border-radius:22px;padding:24px 16px 18px;display:flex;flex-direction:column;gap:14px}
.app-head{display:flex;justify-content:space-between;align-items:center}
.app-head .app-h1{width:46px;height:9px;border-radius:99px;background:#d8d2ee}
.app-head .app-h2{width:22px;height:22px;border-radius:50%;background:#e7e3f5}
.app-ring{width:114px;height:114px;border-radius:50%;margin:2px auto;position:relative;
  background:conic-gradient(var(--primary),var(--secondary) 72%,#e7e3f5 72%)}
.app-ring .app-ring-c{position:absolute;inset:11px;border-radius:50%;background:#F7F6FC;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px}
.app-ring b{font-size:1.18rem;color:var(--text);letter-spacing:-.02em}
.app-ring small{font-size:.58rem;color:var(--muted)}
.app-macros{display:flex;gap:8px}
.app-macros .bar{flex:1;height:6px;border-radius:99px;background:#e7e3f5;overflow:hidden}
.app-macros .bar i{display:block;height:100%;background:var(--grad)}
.app-list{display:flex;flex-direction:column;gap:11px;margin-top:2px}
.app-item{display:flex;align-items:center;gap:10px}
.app-item .av{width:26px;height:26px;border-radius:8px;background:#e7e3f5;flex:none}
.app-item .ln{height:8px;border-radius:99px;background:#e7e3f5;width:80%}

/* accordion */
.acc{max-width:820px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}
.acc-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.acc-head{width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:22px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;font:inherit}
.acc-head h3{margin:0}
.acc-head .role-meta{color:var(--muted);font-size:.9rem;font-weight:500;display:block;margin-top:4px}
.acc-head .chev{transition:transform .25s var(--ease);color:var(--primary);font-size:1.4rem;line-height:1}
.acc-item.open .acc-head .chev{transform:rotate(45deg)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.acc-item.open .acc-body{max-height:900px}
.acc-body-inner{padding:0 24px 24px}
.acc-body-inner p{margin-bottom:12px}
.acc-body-inner .acc-label{font-weight:700;color:var(--text);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin:14px 0 6px}
.acc-body-inner ul{color:var(--muted);padding-left:20px;display:flex;flex-direction:column;gap:6px;margin-bottom:6px}
.acc-body-inner .stack{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}
.acc-body-inner .stack li{background:var(--tint);border:1px solid var(--border);border-radius:999px;padding:4px 12px;font-size:.85rem;color:var(--text)}
.acc-body-inner .btn{margin-top:20px}

/* contact form */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:.9rem}
.field input,.field select,.field textarea{font:inherit;padding:12px 14px;border:1px solid var(--border);
  border-radius:10px;background:#fff;color:var(--text);width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--glow);border-color:var(--primary)}
.field input.invalid,.field textarea.invalid{border-color:#dc2626}
.field-error{display:none;color:#dc2626;font-size:.82rem}
.contact-info p{margin-bottom:10px}
.contact-info a{font-weight:600}
.success-panel{background:var(--tint);border:1px solid var(--border);border-radius:var(--radius);padding:32px;text-align:center}
.success-panel h3{color:var(--primary);margin-bottom:8px}

/* legal document */
.legal{max-width:760px;margin-inline:auto}
.legal h1{font-size:clamp(2rem,4vw,2.8rem)}
.legal .updated{color:var(--muted);font-size:.9rem;margin:8px 0 36px}
.legal h2{font-size:1.4rem;margin:32px 0 10px}
.legal p,.legal li{color:var(--muted);margin-bottom:12px}
.legal ul{padding-left:20px}
.legal table{width:100%;border-collapse:collapse;margin:8px 0 16px;font-size:.95rem}
.legal th,.legal td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}
.legal th{background:var(--tint);color:var(--text);font-weight:700}
.legal td{color:var(--muted)}
.legal .placeholder{background:#FFF7ED;border:1px dashed #fdba74;border-radius:10px;
  padding:14px 16px;color:#9a3412;font-size:.92rem}

/* responsive */
@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0}
  .nav-cta{margin-top:8px;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:1fr}
  .product{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:540px){
  .footer-grid{grid-template-columns:1fr}
  .grid--4,.grid--2{grid-template-columns:1fr}
}