/* ============================================================
   Prosolviz — site stylesheet
   Brand tokens + base + components. No external requests.
   Self-hosted/system fonts only (privacy-clean: no font CDN).
   ============================================================ */

:root{
  /* palette */
  --ink:#0E1726;        /* primary, deep navy   */
  --ink-2:#16223A;      /* raised ink surface   */
  --gold:#C8A24B;       /* accent (premium)     */
  --gold-2:#9A7A2E;     /* accent for text on light (AA) */
  --paper:#FAF9F6;      /* page background      */
  --surface:#FFFFFF;    /* cards                */
  --slate:#566072;      /* secondary text       */
  --slate-2:#828B99;    /* muted text           */
  --line:#E7E3DA;       /* hairlines            */
  --line-2:#EFECE4;

  /* type */
  --font:"Avenir Next","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Roboto,Helvetica,Arial,sans-serif;

  /* scale */
  --maxw:1120px;
  --gap:clamp(20px,4vw,40px);
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(14,23,38,.05);
  --shadow:0 12px 30px -12px rgba(14,23,38,.16);
  --shadow-lg:0 30px 60px -24px rgba(14,23,38,.28);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.1;font-weight:600}
p{margin:0}
a{color:inherit}
img,svg{display:block;max-width:100%}

/* layout */
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
section{padding:clamp(56px,9vw,104px) 0}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-2);margin:0 0 14px;
}
.lead{color:var(--slate);font-size:clamp(17px,2vw,19px);line-height:1.6}
.center{text-align:center}
.muted{color:var(--slate)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:999px;font-weight:600;font-size:15.5px;
  text-decoration:none;cursor:pointer;border:1.5px solid transparent;
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease, color .12s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(200,162,75,.55);outline-offset:2px}
.btn-primary{background:var(--gold);color:#1c1606;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(200,162,75,.7)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-light:hover{transform:translateY(-1px)}
.btn-on-dark-outline{background:transparent;color:var(--paper);border-color:rgba(250,249,246,.4)}
.btn-on-dark-outline:hover{background:rgba(250,249,246,.1);border-color:var(--paper)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(250,249,246,.85);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;transition:border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.nav .brand{display:flex;align-items:center;margin-right:auto}
.nav .brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  text-decoration:none;color:var(--ink);font-weight:500;font-size:15.5px;
  opacity:.82;transition:opacity .12s ease;
}
.nav-links a:hover{opacity:1}
.nav .btn{padding:10px 18px}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink)}

/* ---------- hero ---------- */
.hero{padding:clamp(64px,11vw,128px) 0 clamp(48px,7vw,84px)}
.hero h1{font-size:clamp(2.1rem,5.4vw,3.6rem);max-width:16ch}
.hero .lead{margin-top:20px;max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{margin-top:26px;color:var(--slate-2);font-size:14px;display:flex;gap:18px;flex-wrap:wrap}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ---------- section heading ---------- */
.sec-head{max-width:60ch}
.sec-head h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
.sec-head p{margin-top:12px}

/* ---------- who we help (2 cards) ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-top:40px}
.who-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(24px,3vw,34px);box-shadow:var(--shadow-sm);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.who-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line)}
.who-card .tag{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2)}
.who-card h3{font-size:1.3rem;margin:10px 0 10px}
.who-card p{color:var(--slate)}
.who-card .link{
  display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-weight:600;
  color:var(--ink);text-decoration:none;font-size:15px;
}
.who-card .link .arr{transition:transform .12s ease}
.who-card .link:hover .arr{transform:translateX(4px)}

/* ---------- what we do ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);margin-top:40px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:40px}
.svc{padding:4px 0}
.svc .ic{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,var(--ink),var(--ink-2));color:var(--gold);margin-bottom:16px;
}
.svc h3{font-size:1.08rem;margin-bottom:8px}
.svc p{color:var(--slate);font-size:15.5px}

/* ---------- works strip (dark band) ---------- */
.band{background:var(--ink);color:var(--paper);border-radius:var(--radius-lg);overflow:hidden;position:relative}
.band .container{position:relative;z-index:1}
.band-inner{
  display:flex;align-items:center;gap:36px;flex-wrap:wrap;
  padding:clamp(34px,5vw,56px) 0;
}
.band-inner .txt{flex:1 1 360px}
.band .eyebrow{color:var(--gold)}
.band h2{font-size:clamp(1.5rem,3vw,2.1rem);color:var(--paper)}
.band p{margin-top:12px;color:#C3CBD8;max-width:54ch}
.band-glow{position:absolute;inset:auto -10% -60% auto;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,162,75,.22),transparent 65%);z-index:0}
.band-logo{height:46px;opacity:.95}

/* ---------- about ---------- */
.about-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--gap);align-items:start}
.about-wrap p{color:var(--slate);margin-top:16px}
.facts{display:flex;flex-direction:column;gap:14px}
.fact{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:16px 18px}
.fact .k{font-weight:600}
.fact .v{color:var(--slate);font-size:15px}
.fact .ic{color:var(--gold-2);flex:0 0 auto;margin-top:2px}

/* ---------- contact ---------- */
.contact-card{
  background:linear-gradient(165deg,var(--ink),#0b1320);color:var(--paper);
  border-radius:var(--radius-lg);padding:clamp(34px,6vw,64px);text-align:center;position:relative;overflow:hidden;
}
.contact-card h2{font-size:clamp(1.7rem,3.6vw,2.4rem);color:var(--paper)}
.contact-card p{color:#C3CBD8;margin:14px auto 0;max-width:46ch}
.contact-rows{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.contact-line{margin-top:26px;color:#9FB0C4;font-size:14.5px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.contact-line a{color:var(--paper);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#AEB9C8;padding:clamp(48px,7vw,72px) 0 36px;margin-top:0}
.foot-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-start}
.foot-brand img{height:30px;margin-bottom:14px}
.foot-brand p{max-width:34ch;font-size:14.5px;color:#8E9AAB}
.foot-cols{display:flex;gap:60px;flex-wrap:wrap}
.foot-col h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#7C8799;margin:0 0 14px;font-weight:700}
.foot-col a{display:block;color:#C3CBD8;text-decoration:none;font-size:14.5px;margin-bottom:10px}
.foot-col a:hover{color:var(--paper)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;font-size:13px;color:#7C8799}
.foot-bottom a{color:#9FB0C4;text-decoration:none}
.foot-bottom a:hover{color:var(--paper)}

/* ============================================================
   Legal / document pages
   ============================================================ */
.doc-header{border-bottom:1px solid var(--line);background:var(--paper)}
.doc-header .nav{height:64px}
.doc{max-width:820px;margin:0 auto;padding:clamp(36px,6vw,64px) clamp(20px,5vw,40px) 80px}
.doc .back{display:inline-flex;align-items:center;gap:8px;color:var(--slate);text-decoration:none;font-size:14.5px;margin-bottom:22px}
.doc .back:hover{color:var(--ink)}
.doc h1{font-size:clamp(1.9rem,4vw,2.6rem)}
.doc .updated{color:var(--slate-2);font-size:14px;margin-top:10px}
.doc h2{font-size:1.35rem;margin:40px 0 12px;padding-top:8px}
.doc h3{font-size:1.08rem;margin:26px 0 8px}
.doc p,.doc li{color:#2b3543;font-size:16.5px}
.doc p{margin:12px 0}
.doc ul,.doc ol{margin:12px 0;padding-left:22px}
.doc li{margin:7px 0}
.doc a{color:var(--gold-2);text-decoration:underline;text-underline-offset:2px}
.doc strong{color:var(--ink)}
.doc table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.doc th,.doc td{text-align:left;padding:11px 12px;border:1px solid var(--line);vertical-align:top}
.doc th{background:var(--line-2);font-weight:600}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:26px 0}
.toc h4{margin:0 0 10px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:34px}
.toc a{color:var(--ink);text-decoration:none;font-size:15px}
.toc a:hover{color:var(--gold-2);text-decoration:underline}
.callout{
  display:flex;gap:14px;background:#FBF6E8;border:1px solid #E7D6A8;border-left:4px solid var(--gold);
  border-radius:12px;padding:16px 18px;margin:24px 0;font-size:15px;color:#5c4a1f;
}
.callout .ic{flex:0 0 auto;color:var(--gold-2);margin-top:1px}
.fill{background:#FFF3F0;border:1px dashed #E8B4A8;border-radius:6px;padding:1px 7px;color:#9A3B28;font-size:.92em;font-weight:600;white-space:nowrap}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:880px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .about-wrap{grid-template-columns:1fr}
}
@media (max-width:720px){
  /* solid header on mobile — backdrop-filter breaks the absolutely-positioned dropdown */
  .site-header{background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:4px;background:var(--paper);border-bottom:1px solid var(--line);
    padding:14px clamp(20px,5vw,40px) 22px;box-shadow:var(--shadow);z-index:60;
  }
  .nav-links.open a{padding:10px 0;width:100%;font-size:17px}
  .nav-links.open .btn{margin-top:8px;width:100%}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .toc ol{columns:1}
  .foot-cols{gap:36px}
}