/* =========================================================
   BIZWISDOM — Design System
   Palette  : Ink navy / Teal signature / Brass accent / Paper
   Type     : Space Grotesk (display) · IBM Plex Sans (body) · IBM Plex Mono (data)
   Signature: "The Ledger" — bordered, mono-numbered index rows used
              for stats, courses, services & process steps.
   ========================================================= */

:root{
  --ink:        #0A1A33;
  --ink-2:      #102544;
  --ink-soft:   #1B3258;
  --paper:      #F2F4F8;
  --paper-2:    #E7EAF1;
  --white:      #FFFFFF;
  --teal:       #0E7C7B;
  --teal-deep:  #0A5F5E;
  --brass:      #C99A3E;
  --brass-soft: #E6CB8E;
  --slate:      #5B6779;
  --slate-2:    #8993A4;
  --line:       #D9DEE6;
  --line-dark:  rgba(255,255,255,0.14);
  --shadow:     0 24px 60px -28px rgba(10,26,51,0.35);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 2px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
  color: var(--ink);
}
p{ margin: 0 0 1em; color: var(--slate); }
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Eyebrow / mono labels ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  display:flex; align-items:center; gap:10px;
  margin-bottom: 16px;
  font-weight:500;
}
.eyebrow::before{
  content:"";
  width: 18px; height: 1px;
  background: var(--brass);
  display:inline-block;
}
.eyebrow.on-dark{ color: var(--brass-soft); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--brass); color: var(--ink); }
.btn-primary:hover{ background: var(--brass-soft); transform: translateY(-2px); }
.btn-outline{ border-color: var(--line); color: var(--ink); background:transparent; }
.btn-outline:hover{ border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }
.btn-outline.on-dark{ border-color: var(--line-dark); color: var(--white); }
.btn-outline.on-dark:hover{ border-color: var(--brass); color: var(--brass-soft); }
.btn-ghost{ color: var(--teal); padding-left:0; padding-right:0; }
.btn-ghost::after{ content:"→"; transition: transform .18s ease; }
.btn-ghost:hover::after{ transform: translateX(4px); }
.btn svg{ width:14px; height:14px; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 1000;
  background: rgba(10,26,51,0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-dark);
}
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 78px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  color: var(--white);
}
.brand-mark{
  width:38px; height:38px;
  background: linear-gradient(155deg, var(--teal), var(--ink-soft));
  border: 1px solid var(--brass);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-weight:600; font-size:14px;
  color: var(--brass-soft);
  flex-shrink:0;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{
  font-family: var(--font-display); font-size: 16.5px; letter-spacing:.01em; color:var(--white);
}
.brand-text span{
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing:.13em; text-transform:uppercase; color: var(--slate-2);
}

.main-nav{ display:flex; align-items:center; gap: 30px; }
.main-nav a{
  font-size: 14.5px; color: rgba(255,255,255,.78);
  position: relative; padding: 6px 0;
  transition: color .18s ease;
}
.main-nav a:hover, .main-nav a.active{ color: var(--white); }
.main-nav a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background: var(--brass);
}
.nav-cta{ display:flex; align-items:center; gap:20px; }

.has-dropdown{ position:relative; }
.has-dropdown > a::after{ content:" ▾"; font-size:10px; opacity:.7; }
.dropdown{
  position:absolute; top:100%; left:0; margin-top:14px;
  background: var(--ink-2); border: 1px solid var(--line-dark);
  min-width: 250px; padding: 8px;
  opacity:0; visibility:hidden; transform: translateY(6px);
  transition: opacity .18s ease, visibility .18s ease, transform .18s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{ opacity:1; visibility:visible; transform:none; }
.dropdown a{ display:block; padding:11px 13px; font-size:13.5px; border-bottom:none; }
.dropdown a small{ display:block; font-family: var(--font-mono); font-size:11px; color: var(--slate-2); margin-top:2px; }

.menu-toggle{
  display:none;
  width:42px; height:42px;
  border: 1px solid var(--line-dark);
  background:transparent;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
  cursor:pointer;
}
.menu-toggle span{ width:18px; height:1.5px; background: var(--white); transition: all .2s ease; }
.menu-toggle.is-open span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2){ opacity:0; }
.menu-toggle.is-open span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  background: radial-gradient(ellipse 90% 70% at 18% 0%, rgba(14,124,123,0.30), transparent 60%), var(--ink);
  color: var(--white);
  padding: 86px 0 96px;
  position: relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events:none;
  mask-image: linear-gradient(to bottom, transparent, black 5%, black 70%, transparent);
}
.hero-grid{
  display:grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items:center;
  position:relative; z-index:1;
}
.hero h1{ color: var(--white); font-size: clamp(34px, 4.6vw, 56px); max-width: 620px; }
.hero h1 em{ font-style:normal; color: var(--brass-soft); }
.hero-sub{ color: rgba(255,255,255,.74); max-width: 520px; font-size: 17px; }
.hero-actions{ display:flex; gap:16px; margin-top: 30px; flex-wrap:wrap; }

/* Ledger panel — signature element */
.ledger{
  border: 1px solid var(--line-dark);
  background: rgba(255,255,255,0.03);
}
.ledger-head{
  display:flex; justify-content:space-between; align-items:baseline;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing:.12em; text-transform:uppercase;
  color: var(--slate-2);
}
.ledger-row{
  display:grid; grid-template-columns: 64px 1fr;
  align-items:baseline;
  padding: 19px 22px;
  border-bottom: 1px solid var(--line-dark);
  gap: 18px;
}
.ledger-row:last-child{ border-bottom:none; }
.ledger-num{
  font-family: var(--font-mono);
  font-size: 26px; font-weight:500;
  color: var(--brass-soft);
}
.ledger-label{ font-size: 14px; color: rgba(255,255,255,.86); }
.ledger-label small{ display:block; font-size:12px; color: var(--slate-2); margin-top:2px; }

.ledger.on-light{ border-color: var(--line); background: var(--white); }
.ledger.on-light .ledger-head{ border-color: var(--line); color: var(--slate-2); }
.ledger.on-light .ledger-row{ border-color: var(--line); }
.ledger.on-light .ledger-num{ color: var(--teal); }
.ledger.on-light .ledger-label{ color: var(--ink); }
.ledger.on-light .ledger-label small{ color: var(--slate); }

/* =========================================================
   PAGE HEADER (non-home)
   ========================================================= */
.page-header{
  background: var(--ink);
  color: var(--white);
  padding: 68px 0 56px;
  position:relative;
  background-image: radial-gradient(ellipse 70% 60% at 90% 0%, rgba(201,154,62,0.18), transparent 60%);
}
.page-header h1{ color: var(--white); font-size: clamp(30px, 4vw, 44px); max-width: 740px; }
.crumb{ font-family: var(--font-mono); font-size: 12px; letter-spacing:.1em; text-transform:uppercase; color: var(--slate-2); margin-bottom:14px; }
.page-header .lede{ max-width: 640px; color: rgba(255,255,255,.74); font-size:16.5px; }

/* =========================================================
   SECTIONS / GENERAL
   ========================================================= */
section{ padding: 80px 0; }
.section-light{ background: var(--paper); }
.section-white{ background: var(--white); }
.section-ink{ background: var(--ink); color: var(--white); }
.section-ink h2, .section-ink h3{ color: var(--white); }
.section-ink p{ color: rgba(255,255,255,.72); }

.section-head{ max-width: 660px; margin-bottom: 46px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size: clamp(26px, 3.2vw, 36px); }

.grid{ display:grid; gap: 26px; }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }

/* ---------- Cards ---------- */
.card{
  background: var(--white);
  border: 1px solid var(--line);
  padding: 32px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{ transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card-icon{
  width: 46px; height:46px;
  display:flex; align-items:center; justify-content:center;
  background: var(--paper-2);
  margin-bottom: 22px;
  color: var(--teal);
}
.card-icon svg{ width:24px; height:24px; }
.card h3{ font-size: 19px; margin-bottom: 10px; }
.card p{ font-size: 14.8px; margin-bottom: 18px; }
.card-link{ font-family: var(--font-mono); font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color: var(--teal); }
.card-link::after{ content:" →"; }

.card.on-ink{ background: var(--ink-2); border-color: var(--line-dark); }
.card.on-ink h3{ color: var(--white); }
.card.on-ink p{ color: rgba(255,255,255,.68); }
.card.on-ink .card-icon{ background: rgba(255,255,255,0.06); color: var(--brass-soft); }

/* ---------- Tag chips ---------- */
.chip-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; }
.chip{
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing:.05em;
  padding: 6px 12px; border: 1px solid var(--line); color: var(--slate);
}
.section-ink .chip{ border-color: var(--line-dark); color: rgba(255,255,255,.7); }

/* ---------- Process / steps (legit sequence use only) ---------- */
.process{ display:grid; grid-template-columns: repeat(4,1fr); gap: 0; border: 1px solid var(--line); }
.process.process-5{ grid-template-columns: repeat(5,1fr); }
.process-step{
  padding: 30px 26px;
  border-right: 1px solid var(--line);
  position:relative;
}
.process-step:last-child{ border-right:none; }
.process-num{ font-family: var(--font-mono); color: var(--teal); font-size:13px; margin-bottom:18px; display:block; }
.process-step h4{ font-size:16.5px; margin-bottom:8px; }
.process-step p{ font-size:13.8px; margin:0; }

/* ---------- Two column split ---------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
.split.reverse .split-media{ order:2; }

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark);
}
.stat-strip .stat{ padding: 30px 26px; border-right: 1px solid var(--line-dark); }
.stat-strip .stat:last-child{ border-right:none; }
.stat-num{ font-family: var(--font-mono); font-size: 30px; color: var(--brass-soft); display:block; margin-bottom:6px; }
.stat-label{ font-size:13px; color: rgba(255,255,255,.65); text-transform:uppercase; letter-spacing:.05em; font-family: var(--font-mono);}

/* ---------- Course / index rows (training pages) ---------- */
.index-list{ border: 1px solid var(--line); background: var(--white); }
.index-row{
  display:grid; grid-template-columns: 56px 1.4fr 0.9fr 0.9fr 110px;
  gap: 18px; align-items:center;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
}
.index-row.head{
  background: var(--ink); color:#fff;
  font-family: var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color: var(--slate-2);
  padding: 14px 26px;
}
.index-row:last-child{ border-bottom:none; }
.index-row:not(.head):hover{ background: var(--paper); }
.index-num{ font-family: var(--font-mono); color: var(--teal); font-size:14px; }
.index-title{ font-weight:500; font-size:15px; }
.index-title small{ display:block; color: var(--slate); font-size:12.8px; font-weight:400; margin-top:3px; }
.index-meta{ font-family: var(--font-mono); font-size:13px; color: var(--slate); }
.index-cta{ font-family: var(--font-mono); font-size:12px; color: var(--teal); text-transform:uppercase; text-align:right; }

/* ---------- Logo / trust strip ---------- */
.trust-strip{ display:flex; align-items:center; justify-content:space-between; gap: 30px; flex-wrap:wrap; }
.trust-item{
  font-family: var(--font-mono); font-size:12.5px; letter-spacing:.08em; text-transform:uppercase; color: var(--slate-2);
  border: 1px solid var(--line); padding: 10px 18px;
}

/* ---------- Quote / testimonial ---------- */
.quote-block{
  border-left: 2px solid var(--brass);
  padding-left: 26px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink);
}
.quote-by{ font-family: var(--font-mono); font-size:12.5px; color: var(--slate); margin-top: 16px; text-transform:uppercase; letter-spacing:.05em; }

/* ---------- Accordion (FAQ) ---------- */
.accordion-item{ border-bottom: 1px solid var(--line); }
.accordion-q{
  display:flex; justify-content:space-between; align-items:center;
  padding: 22px 4px; cursor:pointer; font-family: var(--font-display); font-size:16.5px;
}
.accordion-q::after{ content:"+"; font-family: var(--font-mono); font-size:20px; color: var(--teal); transition: transform .2s; }
.accordion-item.open .accordion-q::after{ transform: rotate(45deg); }
.accordion-a{ max-height:0; overflow:hidden; transition: max-height .25s ease; }
.accordion-a p{ padding: 0 4px 22px; max-width:680px; }

/* ---------- Form ---------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full{ grid-column: 1 / -1; }
label{ font-family: var(--font-mono); font-size:11.5px; letter-spacing:.07em; text-transform:uppercase; color: var(--slate); display:block; margin-bottom:8px; }
input, select, textarea{
  width:100%; padding: 13px 14px;
  border: 1px solid var(--line); background: var(--white);
  font-family: var(--font-body); font-size:14.5px; color: var(--ink);
}
input:focus, select:focus, textarea:focus{ outline:2px solid var(--teal); outline-offset:1px; }
textarea{ resize: vertical; min-height: 120px; }
.form-note{ font-size:13px; color: var(--slate-2); margin-top:10px; }

/* ---------- CTA banner ---------- */
.cta-banner{
  background: var(--ink);
  border: 1px solid var(--line-dark);
  padding: 56px;
  display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.cta-banner::before{
  content:""; position:absolute; right:-60px; top:-60px; width:220px; height:220px;
  border:1px solid var(--line-dark); border-radius:50%;
}
.cta-banner h2{ color:#fff; font-size: clamp(22px,2.6vw,30px); max-width:480px; margin:0; position:relative; z-index:1; }
.cta-banner .actions{ display:flex; gap:14px; position:relative; z-index:1; flex-wrap:wrap; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background: var(--ink); color: rgba(255,255,255,.7); padding-top: 70px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid var(--line-dark); }
.footer-grid h4{ color:#fff; font-size:13px; font-family: var(--font-mono); letter-spacing:.08em; text-transform:uppercase; margin-bottom:18px; }
.footer-grid li{ margin-bottom:11px; font-size:14.5px; }
.footer-grid a:hover{ color: var(--brass-soft); }
.footer-brand p{ color: rgba(255,255,255,.6); font-size:14px; max-width:280px; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
  padding: 22px 0 30px;
  font-size: 12.8px; color: rgba(255,255,255,.45);
}
.footer-legal{ max-width:760px; line-height:1.6; }
.social-row{ display:flex; gap:14px; }
.social-row a{ width:34px; height:34px; border:1px solid var(--line-dark); display:flex; align-items:center; justify-content:center; }
.social-row svg{ width:15px; height:15px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px){
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .process{ grid-template-columns: repeat(2,1fr); }
  .process.process-5{ grid-template-columns: repeat(2,1fr); }
  .process-step:nth-child(2){ border-right:none; }
  .stat-strip{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; gap:46px; }
  .split{ grid-template-columns: 1fr; gap:36px; }
  .split.reverse .split-media{ order:0; }
}

@media (max-width: 760px){
  .main-nav{
    position:absolute; top:78px; left:0; right:0;
    background: var(--ink); flex-direction:column; align-items:flex-start;
    padding: 10px 28px 26px; gap: 4px;
    border-bottom: 1px solid var(--line-dark);
    max-height:0; overflow:hidden; opacity:0;
    transition: max-height .25s ease, opacity .2s ease;
  }
  .main-nav.is-open{ max-height: 420px; opacity:1; }
  .main-nav a{ padding: 12px 0; width:100%; border-bottom:1px solid var(--line-dark); }
  .nav-cta{ display:none; }
  .main-nav .nav-cta-mobile{ display:flex; margin-top:10px; }
  .menu-toggle{ display:flex; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr; }
  .process.process-5{ grid-template-columns: 1fr; }
  .process-step{ border-right:none; border-bottom:1px solid var(--line); }
  .stat-strip{ grid-template-columns: 1fr; }
  .stat-strip .stat{ border-right:none; border-bottom:1px solid var(--line-dark); }
  .footer-grid{ grid-template-columns: 1fr; gap:30px; }
  .cta-banner{ padding: 38px 26px; flex-direction:column; align-items:flex-start; }
  .index-row{ grid-template-columns: 40px 1fr; row-gap:6px; }
  .index-row .index-meta, .index-row .index-cta{ grid-column: 2 / 3; }
  .index-row.head{ display:none; }
  .dropdown{
    position:static; opacity:1; visibility:visible; transform:none;
    background:transparent; border:none; padding-left:14px; margin-top:0;
  }
  .has-dropdown > a::after{ display:none; }
  section{ padding: 56px 0; }
}