/* =========================================================================
   QUANTIVUS CONSULTANTS : DESIGN SYSTEM
   A ledger-inspired editorial system for a chartered accountancy practice.
   Palette: deep forest green + ink charcoal + warm paper, no gold/amber.
   Type: Source Serif 4 (display) / IBM Plex Sans (UI) / IBM Plex Mono (figures)
   ========================================================================= */

:root{
  /* --- color --- */
  --ink:        #15201c;
  --ink-soft:   #4b564f;
  --ink-faint:  #8b958e;
  --brand:      #1f5d4c;
  --brand-deep: #0e2922;
  --brand-bright:#2c7a63;
  --paper:      #f6f7f4;
  --paper-deep: #edf0ea;
  --line:       #dee3dc;
  --white:      #ffffff;
  --danger:     #8a3324;

  /* --- type --- */
  --f-display: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --f-sans:    'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --f-mono:    'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  /* --- spacing scale (4px base) --- */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px;

  --radius: 4px;
  --radius-lg: 10px;
  --nav-h: 84px;
  --container: 1200px;
  --ease: cubic-bezier(.4,0,.2,1);
}

/* =========================================================================
   RESET
   ========================================================================= */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
svg{ display:block; }

h1,h2,h3,h4{
  font-family:var(--f-display);
  color:var(--ink);
  line-height:1.18;
  font-weight:600;
  margin:0 0 var(--s-4);
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem,4.6vw,3.6rem); }
h2{ font-size:clamp(1.8rem,3.2vw,2.6rem); }
h3{ font-size:1.3rem; }
p{ margin:0 0 var(--s-4); color:var(--ink-soft); }

.figure, .num{ font-family:var(--f-mono); font-variant-numeric:tabular-nums; }

/* visible focus ring everywhere, never removed */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2.5px solid var(--brand);
  outline-offset:3px;
  border-radius:2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

.container{ max-width:var(--container); margin:0 auto; padding:0 var(--s-6); }
.eyebrow{
  display:inline-flex; align-items:center; gap:var(--s-3);
  font-family:var(--f-mono); font-size:0.78rem; font-weight:500;
  letter-spacing:0.08em; text-transform:uppercase; color:var(--brand);
}
.eyebrow::before{ content:""; width:22px; height:1.5px; background:var(--brand); }

.section{ padding:var(--s-9) 0; }
.section-sm{ padding:var(--s-7) 0; }
.section-head{ max-width:680px; margin-bottom:var(--s-7); }
.section-head p{ font-size:1.06rem; }

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:var(--s-2);
  font-family:var(--f-sans); font-weight:600; font-size:0.95rem;
  padding:14px 26px; border-radius:var(--radius); border:1.5px solid transparent;
  transition:transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  min-height:48px; line-height:1;
}
.btn svg{ width:18px; height:18px; }
.btn-primary{ background:var(--brand); color:var(--white); }
.btn-primary:hover{ background:var(--brand-bright); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--brand); color:var(--brand); transform:translateY(-2px); }
.btn-outline-light{ background:transparent; color:var(--white); border-color:rgba(255,255,255,0.45); }
.btn-outline-light:hover{ background:var(--white); color:var(--brand-deep); }
.btn-lg{ padding:16px 30px; font-size:1rem; }
.btn-block{ width:100%; }

/* =========================================================================
   NAV
   ========================================================================= */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:var(--nav-h);
  display:flex; align-items:center;
  background:rgba(246,247,244,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease), height .3s var(--ease);
}
.nav.is-scrolled{ border-bottom-color:var(--line); height:68px; }
.nav .container{ display:flex; align-items:center; justify-content:space-between; gap:var(--s-6); width:100%; }

.brand{
  font-family:var(--f-display); font-size:1.22rem; font-weight:600;
  white-space:nowrap; letter-spacing:-0.01em; color:var(--ink);
  overflow:hidden; text-overflow:ellipsis; min-width:0;
}
.brand b{ color:var(--brand); font-weight:600; }

.nav-links{ display:flex; align-items:center; gap:var(--s-6); }
.nav-links a{
  font-size:0.94rem; font-weight:500; color:var(--ink-soft);
  position:relative; padding:6px 0; transition:color .2s var(--ease);
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--brand); transition:width .25s var(--ease);
}
.nav-links a:hover, .nav-links a.is-active{ color:var(--ink); }
.nav-links a:hover::after, .nav-links a.is-active::after{ width:100%; }

.nav-cta-group{ display:flex; align-items:center; gap:var(--s-4); }
.nav-toggle{
  display:none; background:none; border:none; padding:8px; color:var(--ink);
  width:44px; height:44px; align-items:center; justify-content:center;
}
.nav-toggle svg{ width:24px; height:24px; }

.mobile-panel{
  position:fixed; inset:var(--nav-h) 0 0 0; background:var(--paper);
  z-index:999; padding:var(--s-6); transform:translateY(-12px); opacity:0;
  pointer-events:none; transition:opacity .25s var(--ease), transform .25s var(--ease);
  overflow-y:auto;
}
.mobile-panel.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
.mobile-panel a{ display:block; font-size:1.3rem; font-family:var(--f-display); padding:var(--s-4) 0; border-bottom:1px solid var(--line); color:var(--ink); }
.mobile-panel .btn{ margin-top:var(--s-6); }

/* =========================================================================
   HERO
   ========================================================================= */
.hero{
  padding:calc(var(--nav-h) + var(--s-8)) 0 var(--s-8);
  background:var(--paper);
}
.hero-grid{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:var(--s-8); align-items:center; }
.hero-copy .eyebrow{ margin-bottom:var(--s-5); }
.hero h1{ margin-bottom:var(--s-5); }
.hero h1 i{ font-style:italic; color:var(--brand); font-weight:500; }
.hero-lead{ font-size:1.14rem; max-width:480px; margin-bottom:var(--s-6); }
.hero-cta{ display:flex; gap:var(--s-4); flex-wrap:wrap; margin-bottom:var(--s-7); }
.hero-badge{
  display:inline-flex; align-items:center; gap:var(--s-3);
  border:1px solid var(--line); border-radius:999px; padding:8px 16px 8px 8px;
  background:var(--white);
}
.hero-badge .dot{ width:30px; height:30px; border-radius:50%; background:var(--brand); display:grid; place-items:center; flex-shrink:0; }
.hero-badge .dot svg{ width:15px; height:15px; color:var(--white); }
.hero-badge span{ font-size:0.85rem; color:var(--ink-soft); font-weight:500; }
.hero-badge b{ color:var(--ink); }

.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; }

/* =========================================================================
   LEDGER STAT STRIP (signature element)
   ========================================================================= */
.ledger{
  background:var(--paper);
  padding:var(--s-8) 0;
}
.ledger .container{
  background:linear-gradient(135deg, var(--brand-deep) 0%, #1a4a3a 100%);
  border-radius:24px;
  padding:var(--s-8) var(--s-7);
}
.ledger-row{
  display:grid; grid-template-columns:repeat(3,1fr); gap:var(--s-5);
}
.ledger-item{
  padding:var(--s-6);
  border-radius:16px;
  border:1px solid rgba(255,255,255,0.18);
  background:rgba(255,255,255,0.10);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:0 8px 32px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.25);
  position:relative;
  text-align:center;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.ledger-item:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,0.16);
  box-shadow:0 20px 48px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.35);
}
.ledger-item:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.15);
}
.ledger-fig{
  font-family:var(--f-mono); font-size:clamp(2rem,4vw,2.8rem); font-weight:500;
  display:block; margin-bottom:var(--s-2); color:#ffffff; letter-spacing:-0.02em;
}
.ledger-label{
  font-size:0.84rem; color:rgba(255,255,255,0.72); letter-spacing:0.03em;
}

/* =========================================================================
   ABOUT / WHO WE ARE
   ========================================================================= */
.about-section{ padding:var(--s-9) 0; }
.about-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:var(--s-8); align-items:center; }
.about-art svg{ width:100%; height:auto; }
.check-list{ margin:var(--s-5) 0 var(--s-6); display:flex; flex-direction:column; gap:var(--s-3); }
.check-list li{ display:flex; align-items:flex-start; gap:var(--s-3); color:var(--ink-soft); font-size:0.98rem; }
.check-list .tick{
  width:20px; height:20px; border-radius:50%; background:var(--paper-deep);
  display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:2px;
}
.check-list .tick svg{ width:11px; height:11px; color:var(--brand); }

/* =========================================================================
   SERVICES
   ========================================================================= */
.svc-section{ background:var(--paper-deep); padding:var(--s-9) 0; }
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--s-5); }
.svc-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:var(--s-6); display:flex; flex-direction:column; height:100%;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.svc-card:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(14,41,34,0.1); border-color:var(--brand); }
.svc-card-header{
  display:flex; align-items:center; gap:var(--s-4); margin-bottom:var(--s-5);
}
.svc-ico{
  width:48px; height:48px; border-radius:var(--radius); background:var(--paper-deep);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.svc-card:hover .svc-ico{ background:var(--brand); }
.svc-ico svg{ width:24px; height:24px; color:var(--brand); transition:color .3s var(--ease); }
.svc-card:hover .svc-ico svg{ color:var(--white); }
.svc-card h3{ font-size:1.0rem; margin-bottom:var(--s-4); padding-bottom:var(--s-3); border-bottom:2px solid var(--brand); text-align:center ; }
.svc-card p{ font-size:0.95rem; flex:1; margin-bottom:var(--s-4); text-align:justify ;}
.svc-link{ font-size:0.88rem; font-weight:600; color:var(--brand); display:inline-flex; align-items:center; gap:6px; }
.svc-link svg{ width:14px; height:14px; transition:transform .25s var(--ease); }
.svc-card:hover .svc-link svg{ transform:translateX(4px); }

/* =========================================================================
   PROCESS
   ========================================================================= */
.process-section{ background:var(--paper); padding:var(--s-9) 0; }
.process-list{ display:grid; grid-template-columns:repeat(4,1fr); gap:var(--s-5); margin-top:var(--s-7); }
.process-item{ padding-top:var(--s-5); }
.process-num{ font-size:1.08rem; margin-bottom:var(--s-2); padding-bottom:0; border-bottom:none; }
.process-item h3{ font-size:1.08rem; margin-bottom:0; }
.process-item p{ font-size:0.92rem; border-top:2px solid var(--brand); padding-top:15px; margin-top:15px; text-align:justify ;}

/* =========================================================================
   CTA BAND
   ========================================================================= */
.cta-band{
  background:var(--brand); border-radius:var(--radius-lg);
  padding:var(--s-8) var(--s-7); text-align:center; color:var(--white);
  position:relative; overflow:hidden;
}
.cta-band h2{ color:var(--white); margin-bottom:var(--s-3); }
.cta-band p{ color:rgba(255,255,255,0.85); max-width:520px; margin:0 auto var(--s-6); font-size:1.05rem; }
.cta-band .btn-primary{ background:var(--white); color:var(--brand-deep); }
.cta-band .btn-primary:hover{ background:var(--paper); }

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{ background:var(--brand-deep); color:rgba(255,255,255,0.72); padding-top:var(--s-9); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 0.8fr 1fr 1fr; gap:var(--s-7); padding-bottom:var(--s-8); }
.footer-brand{ font-family:var(--f-display); font-size:1.2rem; color:var(--white); margin-bottom:var(--s-4); display:block; }
.footer-about p{ color:rgba(255,255,255,0.62); font-size:0.92rem; max-width:300px; }
.footer h4{ font-family:var(--f-sans); color:var(--white); font-size:0.86rem; letter-spacing:0.04em; text-transform:uppercase; margin-bottom:var(--s-4); font-weight:600; }
.footer-links li{ margin-bottom:var(--s-3); }
.footer-links a{ font-size:0.92rem; color:rgba(255,255,255,0.62); transition:color .2s; }
.footer-links a:hover{ color:var(--white); }
.footer-contact li{ display:flex; align-items:flex-start; gap:10px; font-size:0.9rem; color:rgba(255,255,255,0.62); margin-bottom:var(--s-3); }
.footer-contact svg{ width:16px; height:16px; flex-shrink:0; margin-top:2px; color:rgba(255,255,255,0.45); }
.social-row{ display:flex; gap:var(--s-3); margin-top:var(--s-5); }
.social-row a{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,0.22);
  display:flex; align-items:center; justify-content:center; transition:background .2s, border-color .2s;
}
.social-row a:hover{ background:rgba(255,255,255,0.1); border-color:rgba(255,255,255,0.4); }
.social-row svg{ width:16px; height:16px; color:var(--white); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12); padding:var(--s-5) 0;
  font-size:0.84rem; color:rgba(255,255,255,0.5);
  display:flex; justify-content:flex-end; flex-wrap:wrap; gap:var(--s-3);
}
.footer-bottom a{ color:rgba(255,255,255,0.5); }
.footer-bottom a:hover{ color:var(--white); }

/* =========================================================================
   REVEAL ANIMATION (subtle, single-purpose)
   ========================================================================= */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.visible{ opacity:1; transform:translateY(0); }

/* =========================================================================
   INNER PAGE HEADER (About / Services / Contact)
   ========================================================================= */
.page-header{
  padding:calc(var(--nav-h) + var(--s-7)) 0 var(--s-7);
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.page-header h1{ max-width:760px; margin-top:var(--s-4); }
.page-header-lead{ max-width:600px; font-size:1.08rem; margin-top:var(--s-4); margin-bottom:0; }
.page-header-meta{
  display:flex; gap:var(--s-3); align-items:center; margin-top:var(--s-6);
  font-family:var(--f-mono); font-size:0.82rem; color:var(--ink-faint);
}
.page-header-meta a{ color:var(--brand); font-weight:600; }

/* =========================================================================
   STORY LAYOUT (About page)
   ========================================================================= */
.story-grid{ display:grid; grid-template-columns:1.2fr 0.8fr; gap:var(--s-8); align-items:start; }
.quote-card{
  background:var(--brand-deep); color:#fff; border-radius:var(--radius-lg);
  padding:var(--s-7) var(--s-6); position:relative;
}
.quote-card .qmark{
  font-family:var(--f-display); font-size:3.4rem; line-height:1; color:var(--brand-bright);
  display:block; margin-bottom:var(--s-3);
}
.quote-card p{ color:rgba(255,255,255,0.92); font-size:1.12rem; font-family:var(--f-display); font-style:italic; line-height:1.45; margin-bottom:var(--s-5); }
.quote-card .quote-source{ font-family:var(--f-mono); font-size:0.78rem; color:rgba(255,255,255,0.6); letter-spacing:0.03em; }

/* =========================================================================
   TEAM CARDS (About page)
   ========================================================================= */
.team-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--s-5); }
.team-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:var(--s-6); text-align:center;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.team-card:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(14,41,34,0.1); border-color:var(--brand); }
.team-avatar{
  width:84px; height:84px; border-radius:50%; margin:0 auto var(--s-5);
  background:var(--brand-deep); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--f-display); font-size:1.6rem; font-weight:600; letter-spacing:0.02em;
}
.team-card h3{ font-size:1.1rem; margin-bottom:4px; }
.team-role{
  font-family:var(--f-mono); font-size:0.76rem; color:var(--brand); letter-spacing:0.03em;
  text-transform:uppercase; margin-bottom:var(--s-3); display:block;
}
.team-card p{ font-size:0.92rem; color:var(--ink-soft); margin-bottom:0; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:980px){
  .hero-grid, .about-grid{ grid-template-columns:1fr; gap:var(--s-7); }
  .hero-art{ order:-1; max-width:420px; margin:0 auto; }
  .svc-grid{ grid-template-columns:repeat(2,1fr); }
  .work-grid{ grid-template-columns:repeat(2,1fr); }
  .process-list{ grid-template-columns:repeat(2,1fr); }
  .ledger-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .story-grid{ grid-template-columns:1fr; gap:var(--s-6); }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:760px){
  .nav-links{ display:none; }
  .nav-cta-group .btn-primary{ display:none; }
  .nav-toggle{ display:flex; }
  .nav .container{ gap:var(--s-3); }
  .brand{ font-size:0.95rem; flex-shrink:1; }
  .brand img{ height:2.1em !important; }
  :root{ --nav-h:72px; }
  .svc-grid, .work-grid, .process-list{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:var(--s-6); padding-bottom:var(--s-7); }
  .container{ padding:0 var(--s-5); }
  .cta-band{ padding:var(--s-7) var(--s-5); }
}