/* ==========================================================================
   Adams Professional Services — design system
   Concept: the chartered accountant's ledger + official seal.
   Letterhead rule, chart-of-accounts numbering, ledger lines, a stamped seal.
   ========================================================================== */

:root{
  --ink:#10182B;
  --ink-soft:#1B2740;
  --paper:#FAF7F0;
  --paper-dim:#F1ECDE;
  --line:#E4DCC8;
  --line-dark:rgba(244,239,227,0.16);
  --brass:#A9762F;
  --brass-deep:#7E5A24;
  --brass-bright:#C9922F;
  --stamp-green:#1E5B45;
  --slate:#4B5566;
  --slate-soft:#7C879A;
  --white:#FFFFFF;
  --max-width:1160px;
  --radius:14px;
  --radius-sm:8px;
  --shadow-card:0 10px 30px rgba(16,24,43,0.08);
  --shadow-lift:0 18px 40px rgba(16,24,43,0.14);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:0.001ms!important;animation-iteration-count:1!important;transition-duration:0.001ms!important;scroll-behavior:auto!important}
}

body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.6;
  color:var(--slate);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:'Fraunces',Georgia,serif;
  color:var(--ink);
  line-height:1.15;
  margin:0 0 0.5em;
  font-weight:600;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
a{color:var(--brass-deep)}
a:hover{color:var(--ink)}
ul,ol{padding-left:1.2em}
img{max-width:100%;display:block}

:focus-visible{outline:3px solid var(--brass-bright);outline-offset:3px;border-radius:4px}

.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace}
.muted{color:var(--slate-soft)}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--brass-deep);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brass)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:12px;top:-48px;background:var(--ink);color:var(--white);padding:10px 16px;border-radius:0 0 8px 8px;z-index:1000;transition:top .2s var(--ease)}
.skip-link:focus{top:0}

/* ---------- Letterhead strip ---------- */
.letterhead{
  background:var(--ink);
  color:rgba(244,239,227,0.72);
  font-family:'IBM Plex Mono',monospace;
  font-size:0.72rem;
  letter-spacing:0.04em;
}
.letterhead .container{
  display:flex;gap:22px;flex-wrap:wrap;padding:8px 24px;
  justify-content:space-between;
}
.letterhead span b{color:var(--brass-bright);font-weight:600}
.letterhead a{color:inherit;text-decoration:none}
.letterhead a:hover{color:var(--brass-bright)}

/* ---------- Header / nav ---------- */
.site-header{
  background:rgba(250,247,240,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:100;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex-shrink:0}
.logo-img{height:42px;width:42px}
.logo-text{font-family:'Fraunces',serif;font-weight:600;font-size:1.02rem;letter-spacing:0.01em;line-height:1.1}
.logo-text small{display:block;font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:0.62rem;letter-spacing:0.14em;color:var(--brass-deep);text-transform:uppercase;margin-top:2px}

.main-nav{display:flex;align-items:center;gap:2px}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-list li{list-style:none;margin:0}
.nav-list a{
  color:var(--ink);text-decoration:none;font-weight:500;font-size:0.94rem;
  padding:9px 12px;border-radius:8px;position:relative;
}
.nav-list a:hover{background:var(--paper-dim);color:var(--ink)}
.nav-list a.active{color:var(--brass-deep)}
.nav-list a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brass)}
.nav-list a.nav-book{
  background:var(--brass);color:var(--ink);padding:10px 18px;margin-left:8px;
  font-weight:600;box-shadow:0 6px 18px rgba(169,118,47,0.28);
}
.nav-list a.nav-book:hover{background:var(--brass-bright);color:var(--ink)}
.nav-list a.nav-book.active::after{display:none}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:8px;
  width:42px;height:42px;cursor:pointer;flex-shrink:0;
  align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:19px;height:2px;background:var(--ink);position:relative;transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:9px;text-decoration:none;font-weight:600;
  font-size:0.95rem;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
  line-height:1.2;
}
.btn.primary{background:var(--brass);color:var(--ink);box-shadow:0 6px 18px rgba(169,118,47,0.32)}
.btn.primary:hover{background:var(--brass-bright);transform:translateY(-2px);color:var(--ink)}
.btn.secondary{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn.secondary:hover{background:var(--ink);color:var(--paper)}
.btn.on-dark{background:var(--brass);color:var(--ink)}
.btn.on-dark:hover{background:var(--brass-bright);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--brass-deep);padding-left:0;padding-right:0}
.btn.ghost:hover{color:var(--ink)}
.btn.small{padding:9px 16px;font-size:0.86rem}
.btn:focus-visible{outline-offset:3px}

/* ---------- Sections / rhythm ---------- */
.section{padding:76px 0}
.section--tight{padding:52px 0}
.section--dark{background:var(--ink);color:rgba(244,239,227,0.86)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--paper)}
.section--dark p{color:rgba(244,239,227,0.72)}
.section--dim{background:var(--paper-dim)}
.section-head{max-width:640px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.rule{border:none;border-top:1px solid var(--line);margin:0}
.rule.on-dark{border-top-color:var(--line-dark)}

/* ---------- Hero ---------- */
.hero{padding:56px 0 40px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:48px;align-items:center}
.hero h1{margin-bottom:18px}
.hero .lead{font-size:1.12rem;max-width:46ch;color:var(--slate)}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-note{margin-top:18px;font-size:0.86rem;display:flex;gap:8px;align-items:center}
.hero-note .dot{width:7px;height:7px;border-radius:50%;background:var(--stamp-green);display:inline-block}

.seal-frame{display:flex;justify-content:center;align-items:center;position:relative}
.seal-frame img{
  width:min(280px,72%);
  filter:drop-shadow(0 22px 30px rgba(16,24,43,0.22));
  animation:stampIn .7s var(--ease) both;
  animation-delay:.15s;
  transform:rotate(-6deg);
}
@keyframes stampIn{
  0%{opacity:0;transform:scale(1.5) rotate(-14deg)}
  70%{opacity:1}
  100%{opacity:1;transform:scale(1) rotate(-6deg)}
}
@media (prefers-reduced-motion:reduce){
  .seal-frame img{animation:none;transform:rotate(-6deg)}
}

/* ---------- Ledger tape (credentials/stats strip) ---------- */
.ledger-tape{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--white);
}
.ledger-tape .container{
  display:grid;grid-template-columns:repeat(5,1fr);
  padding:0;
}
.tape-item{
  padding:18px 20px;border-left:1px solid var(--line);
  font-family:'IBM Plex Mono',monospace;font-size:0.78rem;color:var(--slate);
  line-height:1.4;
}
.tape-item:first-child{border-left:none}
.tape-item b{display:block;color:var(--ink);font-size:0.95rem;font-weight:600;margin-bottom:2px}

/* ---------- Chart-of-accounts service grid ---------- */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.service-card{
  background:var(--white);border:1px solid var(--line);border-left:3px solid var(--brass);
  border-radius:var(--radius-sm);padding:24px 22px;text-decoration:none;color:var(--ink);
  display:block;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-left-color:var(--stamp-green)}
.acct-code{
  font-family:'IBM Plex Mono',monospace;font-size:0.76rem;color:var(--brass-deep);
  letter-spacing:0.06em;display:block;margin-bottom:10px;
}
.service-card h3{margin-bottom:8px}
.service-card p{color:var(--slate);font-size:0.92rem;margin:0}

/* ---------- Why / checklist ---------- */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:8px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:rgba(244,239,227,0.86)}
.check-list li::before{
  content:"✓";flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:rgba(169,118,47,0.18);color:var(--brass-bright);
  display:flex;align-items:center;justify-content:center;font-size:0.8rem;font-weight:700;
  border:1px solid rgba(169,118,47,0.4);
}

/* ---------- Quotes / testimonials ---------- */
.quote-block{
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--brass);
  border-radius:var(--radius-sm);padding:26px 26px 20px;box-shadow:var(--shadow-card);
}
.quote-block p{font-family:'Fraunces',serif;font-style:italic;font-size:1.08rem;color:var(--ink);margin-bottom:14px}
.quote-block cite{font-family:'IBM Plex Mono',monospace;font-style:normal;font-size:0.78rem;color:var(--brass-deep)}
.quote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}

/* ---------- Insights ---------- */
.insight-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.insight-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px;box-shadow:var(--shadow-card);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.insight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.insight-card .tag{font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--brass-deep);display:block;margin-bottom:10px}
.insight-card h3{font-size:1.05rem;margin-bottom:8px}
.insight-card a{text-decoration:none;color:var(--ink)}
.insight-card a:hover{color:var(--brass-deep)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:56px 0;text-align:center}
.cta-band h2{color:var(--paper);margin-bottom:14px}
.cta-band .lead{max-width:50ch;margin:0 auto 26px;color:rgba(244,239,227,0.78)}
.cta-band .phone{margin-top:20px;font-family:'IBM Plex Mono',monospace;font-size:0.92rem;color:rgba(244,239,227,0.72)}

/* ---------- Process steps (service detail pages) ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.steps li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;
}
.steps .step-index{
  font-family:'IBM Plex Mono',monospace;font-weight:600;color:var(--brass-deep);
  font-size:1rem;border-right:1px solid var(--line);padding-right:12px;
}
.steps p{margin:0;color:var(--slate)}
.steps strong{color:var(--ink);display:block;margin-bottom:2px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:0.76rem;color:var(--slate-soft);margin-bottom:18px}
.breadcrumb a{color:var(--slate-soft);text-decoration:none}
.breadcrumb a:hover{color:var(--brass-deep)}

/* ---------- Team ---------- */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.team-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;box-shadow:var(--shadow-card)}
.avatar-badge{
  width:52px;height:52px;border-radius:50%;background:var(--ink);color:var(--brass-bright);
  display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;
  font-weight:600;font-size:1.1rem;margin-bottom:14px;border:1px solid var(--brass);
}
.team-card h3{margin-bottom:2px;font-size:1.05rem}
.team-card .role{font-family:'IBM Plex Mono',monospace;font-size:0.74rem;color:var(--brass-deep);letter-spacing:0.03em;display:block;margin-bottom:10px}
.team-card p{font-size:0.9rem;margin:0;color:var(--slate)}

/* ---------- FAQ accordion ---------- */
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-question{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;font-family:'Fraunces',serif;font-weight:600;color:var(--ink);font-size:1rem;
}
.faq-question .icon{
  flex-shrink:0;width:22px;height:22px;border:1px solid var(--brass);border-radius:50%;position:relative;
  transition:transform .2s var(--ease);
}
.faq-question .icon::before,.faq-question .icon::after{
  content:"";position:absolute;background:var(--brass-deep);top:50%;left:50%;
}
.faq-question .icon::before{width:10px;height:1.6px;transform:translate(-50%,-50%)}
.faq-question .icon::after{width:1.6px;height:10px;transform:translate(-50%,-50%);transition:opacity .2s var(--ease)}
.faq-item[data-open="true"] .icon::after{opacity:0}
.faq-item[data-open="true"] .icon{transform:rotate(180deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .25s var(--ease),padding .25s var(--ease)}
.faq-item[data-open="true"] .faq-answer{padding:0 20px 20px}
.faq-answer p{color:var(--slate);margin:0}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:18px;max-width:520px}
.field label{display:block;font-weight:600;color:var(--ink);font-size:0.92rem;margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:0.96rem;background:var(--white);color:var(--ink);
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brass);outline:none;box-shadow:0 0 0 3px rgba(169,118,47,0.18)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:0.82rem;color:var(--slate-soft);margin-top:-6px}

/* ---------- Info blocks (contact, privacy) ---------- */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:28px 0 40px}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px}
.info-card .eyebrow{margin-bottom:8px}
.info-card p{margin:0;color:var(--slate);font-size:0.94rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(244,239,227,0.7);padding-top:52px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;padding-bottom:34px}
.footer-grid h4{color:var(--paper);font-family:'IBM Plex Mono',monospace;font-size:0.76rem;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:14px}
.footer-grid a{display:block;color:rgba(244,239,227,0.7);text-decoration:none;margin-bottom:8px;font-size:0.92rem}
.footer-grid a:hover{color:var(--brass-bright)}
.footer-grid p{font-size:0.9rem;margin-bottom:8px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand img{height:38px;width:38px}
.footer-brand span{font-family:'Fraunces',serif;font-weight:600;color:var(--paper)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:18px 0;text-align:center;
  font-family:'IBM Plex Mono',monospace;font-size:0.74rem;color:rgba(244,239,227,0.5);
}

/* ---------- Reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- 404 ---------- */
.error-page{padding:110px 0;text-align:center}
.error-page .code{font-family:'IBM Plex Mono',monospace;font-size:1rem;color:var(--brass-deep);letter-spacing:0.1em}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .seal-frame{order:-1}
  .seal-frame img{width:180px}
  .ledger-tape .container{grid-template-columns:repeat(2,1fr)}
  .tape-item:nth-child(3){border-left:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-list{display:none}
  .main-nav.is-open .nav-list{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:100%;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--line);padding:10px 24px 18px;box-shadow:var(--shadow-card);
  }
  .main-nav.is-open .nav-list a{padding:12px 14px}
  .main-nav.is-open .nav-list a.nav-book{margin-left:0;margin-top:8px;text-align:center}
  .nav-toggle{display:flex}
  .main-nav{position:relative}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .ledger-tape .container{grid-template-columns:1fr 1fr}
  .tape-item{border-left:none;border-top:1px solid var(--line);padding:14px 4px}
  .tape-item:first-child{border-top:none}
  .letterhead .container{font-size:0.66rem;gap:10px}
}