/* ============================================================
   REEVANCE — site styles
   Brand system per 09-Reevance/brand-guide.md
   Navy #13223B · Navy-dark #0E1A2E · Off-white #F3F0E8 · Slate #57677D
   Source Serif 4 (voice) + Inter (body)
   ============================================================ */

:root{
  --navy:#13223B;
  --navy-dark:#0E1A2E;
  --offwhite:#F3F0E8;
  --slate:#57677D;
  --slate-light:#8494a8;
  --ink:#111111;
  --white:#ffffff;
  --line:rgba(19,34,59,.14);
  --line-rev:rgba(243,240,232,.18);

  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  --maxw:1120px;
  --gutter:clamp(20px,5vw,64px);
  --section-y:clamp(64px,9vw,132px);
  --radius:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--navy);
  background:var(--offwhite);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}

/* accessibility: skip link + visible focus */
.skip-link{position:absolute;left:12px;top:-64px;z-index:100;background:var(--navy);color:var(--offwhite);padding:.7em 1.1em;border-radius:8px;text-decoration:none;font-weight:600;transition:top .15s}
.skip-link:focus{top:12px}
:focus-visible{outline:2px solid var(--navy);outline-offset:2px;border-radius:2px}
.on-navy :focus-visible,.hero :focus-visible,.on-navy-dark :focus-visible,.site-footer :focus-visible{outline-color:var(--offwhite)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.section--tight{padding-block:clamp(44px,6vw,80px)}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(2.3rem,5.4vw,4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.2rem,1.8vw,1.45rem);line-height:1.2}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.08rem,1.5vw,1.32rem);line-height:1.55;color:var(--slate)}
.eyebrow{font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);margin:0 0 1.1rem}
.section-title{max-width:22ch}
.measure{max-width:62ch}
.center{text-align:center;margin-inline:auto}

/* ---------- wordmark (The Nameplate) ---------- */
.wordmark{font-family:var(--serif);font-weight:600;text-transform:uppercase;letter-spacing:.08em;line-height:1;display:inline-block;text-decoration:none;color:var(--navy)}
/* The Nameplate underrule — full-width hairline beneath REEVANCE */
.wordmark::after{content:"";display:block;height:1px;background:currentColor;opacity:.5;margin-top:.4em}
.wordmark .rule{display:none}
.wordmark--sm{font-size:1.05rem;letter-spacing:.06em}
.wordmark--sm::after{margin-top:.32em;opacity:.45}
.wordmark .tag{display:block;font-family:var(--serif);font-weight:400;text-transform:none;letter-spacing:0;color:var(--slate);font-size:.34em;margin-top:.55em}
.on-navy .wordmark,.on-navy{color:var(--offwhite)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(243,240,232,.86);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.nav{display:flex;align-items:center;gap:16px}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2vw,28px)}
.nav a{font-family:var(--sans);text-decoration:none;color:var(--navy);font-weight:500;font-size:.95rem;opacity:.82;transition:opacity .15s}
.nav a:hover{opacity:1}
.nav a[aria-current="page"]{opacity:1;font-weight:600}
.nav-toggle{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);font-weight:600;font-size:.98rem;text-decoration:none;padding:.82em 1.35em;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .12s,background .15s,color .15s,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--navy);color:var(--offwhite)}
.btn--primary:hover{background:var(--navy-dark)}
.on-navy .btn--primary,.hero .btn--primary{background:var(--offwhite);color:var(--navy)}
.on-navy .btn--primary:hover,.hero .btn--primary:hover{background:#fff}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--navy)}
.on-navy .btn--ghost,.hero .btn--ghost{color:var(--offwhite);border-color:var(--line-rev)}
.on-navy .btn--ghost:hover,.hero .btn--ghost:hover{border-color:var(--offwhite)}
/* nav pill: beat .nav a specificity so the label + fill are correct on the light header */
.nav a.btn{opacity:1}
.nav a.btn--primary{color:var(--offwhite)}
.nav a.btn--primary:hover{color:var(--offwhite)}
.textlink{font-weight:600;text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:1px}
.textlink:hover{opacity:.7}

/* ---------- navy panels ---------- */
.on-navy{background:var(--navy);color:var(--offwhite)}
.on-navy h1,.on-navy h2,.on-navy h3{color:var(--offwhite)}
.on-navy .lead,.on-navy .eyebrow{color:var(--slate-light)}
.on-navy-dark{background:var(--navy-dark);color:var(--offwhite)}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:var(--offwhite);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 85% -10%,rgba(87,103,125,.30),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;z-index:1;padding-block:clamp(56px,10vw,120px)}
.hero h1{max-width:16ch;color:var(--offwhite);margin-bottom:.5em}
.hero .lead{max-width:56ch;color:#cdd5e0}
.hero .cta-row{margin-top:2.2rem}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- grids ---------- */
.grid{display:grid;gap:clamp(20px,3vw,34px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,2.6vw,32px)}
.on-navy .card{background:rgba(255,255,255,.04);border-color:var(--line-rev)}
.card h3{margin-bottom:.5em}
.card p{margin-bottom:0;color:var(--slate)}
.on-navy .card p{color:#bcc6d4}
.card .num{font-family:var(--serif);font-size:1.5rem;color:var(--slate);display:block;margin-bottom:.35em}

/* pull quote */
.pull{font-family:var(--serif);font-weight:600;font-size:clamp(1.5rem,3vw,2.15rem);line-height:1.25;letter-spacing:-.01em;max-width:24ch}
.pull small{display:block;font-family:var(--sans);font-weight:400;font-size:1rem;line-height:1.55;color:var(--slate-light);margin-top:1.1rem;max-width:60ch}

/* steps */
.step{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,3vw,40px);align-items:start;padding-block:clamp(26px,3.4vw,40px);border-top:1px solid var(--line)}
.step:first-of-type{border-top:none}
.step .k{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);color:var(--slate-light);line-height:1}
.step h3{margin-bottom:.45em}
.step p{color:var(--slate);max-width:60ch;margin-bottom:0}

/* about timeline */
.spine{list-style:none;margin:0;padding:0}
.spine li{position:relative;padding:0 0 1.15rem 1.5rem;color:var(--slate);max-width:66ch}
.spine li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--slate-light)}
.spine li strong{color:var(--navy)}

/* form */
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.4rem}
.field input,.field textarea{width:100%;font-family:var(--sans);font-size:1rem;color:var(--navy);background:var(--white);border:1.5px solid var(--slate);border-radius:10px;padding:.8em .9em}
.field textarea{min-height:130px;resize:vertical}
.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--navy);outline-offset:1px;border-color:var(--navy)}
.field .req{color:var(--slate)}
.field .opt{color:var(--slate-light);font-weight:400}
.form-note{font-size:.86rem;color:var(--slate)}
.form-status{margin-top:1rem;font-weight:600}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-dark);color:#c3ccd8;padding-block:clamp(48px,6vw,72px);font-size:.95rem}
.site-footer a{color:var(--offwhite);text-decoration:none}
.site-footer a:hover{opacity:.75}
.footer-grid{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:flex-start}
.footer-grid .fnav{display:flex;gap:22px;flex-wrap:wrap}
.footer-fine{margin-top:2.2rem;padding-top:1.4rem;border-top:1px solid var(--line-rev);font-size:.84rem;color:var(--slate-light);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

/* ---------- utilities ---------- */
.stack>*+*{margin-top:1.1rem}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.hide{display:none}
.h-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .nav .nav-links{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:flex-start;background:var(--offwhite);border-bottom:1px solid var(--line);padding:18px var(--gutter) 26px;gap:18px;display:none;max-height:calc(100dvh - 70px);overflow-y:auto}
  .nav .nav-links.open{display:flex}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;background:none;border:1px solid var(--slate);border-radius:9px;cursor:pointer}
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);position:relative}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy)}
  .nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
}
@media(max-width:560px){
  .grid-4{grid-template-columns:1fr}
  .cta-row{gap:10px}
  .btn{width:100%;justify-content:center}
  .hero .btn{width:auto}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}