/* ============================================
   IBI — International Bookkeeping Instructors
   Design system: ledger-inspired, navy & gold
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Color tokens */
  --navy: #0B2545;
  --navy-deep: #071a33;
  --gold: #C9A227;
  --gold-light: #E0C158;
  --paper: #FBFAF7;
  --panel: #EEF1F6;
  --charcoal: #2D2D2D;
  --line: #D7D2C4;
  --white: #FFFFFF;

  /* Type */
  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Layout */
  --max-width: 1180px;
  --radius: 3px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

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

/* ============ Ledger rule motif ============ */
.ledger-rule {
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--line) 0,
    var(--line) 6px,
    transparent 6px,
    transparent 12px
  );
  width: 100%;
}

.ledger-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 8px 0;
}
.ledger-divider .ledger-rule { flex: 1; }
.ledger-divider .ledger-mark {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}

/* ============ Typography ============ */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: block;
  margin-bottom: 12px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.2;
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: 1.35rem; }
p.lede { font-size: 1.15rem; color: #4a4a4a; max-width: 620px; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
}
.btn-primary:hover { box-shadow: 0 6px 18px rgba(201,162,39,0.35); }
.btn-outline {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.12); }

/* ============ Header / Nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 52px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav > ul {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
  position: relative;
  padding: 6px 0;
}
.main-nav a.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.2s ease;
}
.main-nav a.nav-link:hover::after,
.main-nav a.nav-link.active::after { width: 100%; }

.has-dropdown { position: relative; }
.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(11,37,69,0.12);
  min-width: 230px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.18s ease;
  border-radius: var(--radius);
}
.has-dropdown:hover .dropdown-panel,
.has-dropdown:focus-within .dropdown-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-panel a {
  display: block;
  padding: 10px 12px;
  font-size: 0.9rem;
  color: var(--charcoal);
  border-radius: var(--radius);
}
.dropdown-panel a:hover { background: var(--panel); color: var(--navy); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--navy);
  cursor: pointer;
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 16px 32px;
  }
  .main-nav.nav-open { display: block; }
  .main-nav > ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .main-nav > ul > li { width: 100%; }
  .main-nav a.nav-link { display: block; padding: 12px 0; }
  .has-dropdown .dropdown-panel {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    box-shadow: none;
    border: none;
    margin-left: 12px;
  }
  .has-dropdown:hover .dropdown-panel,
  .has-dropdown:focus-within .dropdown-panel { display: block; }
  .nav-toggle { display: block; }
  .site-header { position: relative; }
}

/* ============ Hero ============ */
.hero {
  background: var(--navy);
  background-image:
    radial-gradient(circle at 85% 20%, rgba(201,162,39,0.18), transparent 45%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 90px 32px 70px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { color: var(--white); margin-bottom: 18px; }
.hero p.lede { color: #C9D2E0; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold-light);
  font-weight: 700;
  display: block;
}
.hero-stat .label {
  font-size: 0.82rem;
  color: #AAB7CC;
  letter-spacing: 0.04em;
}
.hero-visual {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 28px;
}
.ledger-card {
  background: var(--paper);
  border-radius: 3px;
  padding: 24px;
  color: var(--charcoal);
}
.ledger-card-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9rem;
}
.ledger-card-row:last-child { border-bottom: none; }
.ledger-card-row .tag {
  font-size: 0.72rem;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 800px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 50px; }
}

/* ============ Section spacing ============ */
.section { padding: 80px 0; }
.section-tight { padding: 56px 0; }
.section-header { max-width: 680px; margin-bottom: 48px; }
.section-alt { background: var(--panel); }
.section-navy { background: var(--navy); color: var(--white); }
.section-navy h2, .section-navy h3 { color: var(--white); }

/* ============ Split homepage (services/trainings spine) ============ */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
}
.split-half {
  padding: 72px 48px;
}
.split-half.services { background: var(--paper); }
.split-half.trainings { background: var(--panel); }
.split-spine {
  background: repeating-linear-gradient(
    to bottom, var(--gold) 0, var(--gold) 8px, transparent 8px, transparent 16px
  );
}
@media (max-width: 900px) {
  .split-section { grid-template-columns: 1fr; }
  .split-spine { display: none; }
}

.split-half .eyebrow { margin-bottom: 8px; }
.split-half h2 { margin-bottom: 20px; }

/* ============ Cards ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .card-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover {
  box-shadow: 0 14px 30px rgba(11,37,69,0.1);
  transform: translateY(-3px);
}
.service-card .icon-tab {
  width: 40px; height: 4px; background: var(--gold); margin-bottom: 18px;
}
.service-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.service-card p { font-size: 0.92rem; color: #555; }

/* ============ Testimonials ============ */
.testimonial {
  background: var(--white);
  border-left: 3px solid var(--gold);
  padding: 22px 24px;
  margin-bottom: 18px;
  border-radius: 0 4px 4px 0;
}
.testimonial p.quote {
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--navy);
  margin-bottom: 12px;
  font-style: italic;
}
.testimonial .stars { color: var(--gold); margin-bottom: 8px; letter-spacing: 2px; }
.testimonial .who {
  font-size: 0.85rem;
  font-weight: 600;
  color: #555;
}
.testimonial .who span { color: var(--gold); font-weight: 700; }

/* ============ Tabs (Canada/USA) ============ */
.region-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--line);
  margin-bottom: 36px;
}
.region-tab {
  padding: 14px 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: #888;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  background: none;
  border-top: none; border-left: none; border-right: none;
  transition: color 0.2s ease;
}
.region-tab.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}
.region-panel { display: none; }
.region-panel.active { display: block; }

/* ============ Accordion (service dropdowns) ============ */
.accordion-item {
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
}
.accordion-trigger .plus {
  font-size: 1.3rem;
  color: var(--gold);
  transition: transform 0.2s ease;
}
.accordion-item.open .plus { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 22px;
}
.accordion-item.open .accordion-body {
  padding: 0 22px 20px;
}
.accordion-body ul { display: flex; flex-direction: column; gap: 8px; }
.accordion-body li {
  font-size: 0.93rem;
  color: #555;
  padding-left: 16px;
  position: relative;
}
.accordion-body li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ============ Pricing ============ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1000px) { .pricing-grid { grid-template-columns: repeat(2, 1fr) !important; } }
@media (max-width: 600px) { .pricing-grid { grid-template-columns: 1fr !important; } }
.price-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px 28px;
  position: relative;
}
.price-card.featured {
  border-color: var(--gold);
  box-shadow: 0 14px 34px rgba(201,162,39,0.16);
}
.price-card.featured::before {
  content: 'Most popular';
  position: absolute;
  top: -13px; left: 28px;
  background: var(--gold);
  color: var(--navy-deep);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 12px;
}
.price-card .amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--navy);
  margin: 14px 0 4px;
}
.price-card .amount span { font-size: 1rem; color: #888; font-weight: 400; }
.price-card ul { margin: 20px 0; display: flex; flex-direction: column; gap: 10px; }
.price-card li { font-size: 0.9rem; padding-left: 20px; position: relative; }
.price-card li::before { content: '✓'; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* ============ Forms ============ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--charcoal);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--gold);
}
textarea { resize: vertical; min-height: 120px; }

/* ============ Certificate lookup ============ */
.cert-box {
  max-width: 560px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 40px;
  text-align: center;
}
.cert-box .seal {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 1.6rem;
  font-weight: 700;
}
.cert-lookup-form { display: flex; gap: 10px; margin-top: 24px; }
.cert-lookup-form input { flex: 1; text-align: center; letter-spacing: 0.05em; }
.cert-result {
  margin-top: 24px;
  padding: 20px;
  border-radius: 4px;
  display: none;
}
.cert-result.found {
  background: #F3F8EE;
  border: 1px solid #BFDFA0;
  display: block;
}
.cert-result.not-found {
  background: #FBEFEF;
  border: 1px solid #E3B3B3;
  display: block;
}
.cert-result h4 { margin-bottom: 6px; }
.cert-result.found h4 { color: #3A6B1F; }
.cert-result.not-found h4 { color: #A33A3A; }

/* ============ Footer ============ */
.site-footer {
  background: var(--navy-deep);
  color: #AAB7CC;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.88rem; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============ Page header (non-home pages) ============ */
.page-header {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0 48px;
}
.page-header h1 { color: var(--white); margin-bottom: 8px; }
.page-header p { color: #C9D2E0; }
.breadcrumb { font-size: 0.82rem; color: var(--gold-light); margin-bottom: 14px; }

/* ============ Utility ============ */
.text-center { text-align: center; margin-left: auto; margin-right: auto; }
.mt-lg { margin-top: 48px; }
.region-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 10px;
  background: var(--panel);
  color: var(--navy);
  margin-bottom: 12px;
}