/* AppIQ Finance Systems — shared stylesheet */

:root {
  --charcoal: #1C2321;
  --charcoal-soft: #4A5250;
  --white: #FFFFFF;
  --offwhite: #F6F6F3;
  --panel: #F1F0EB;
  --border: #DCDAD2;
  --teal: #0B6E63;
  --teal-dark: #084F47;
  --teal-tint: #E7F1EF;
  --danger: #8A3324;
  --max: 1120px;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--charcoal);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Type */

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--charcoal);
  margin: 0;
  font-weight: 600;
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--charcoal-soft);
  max-width: 62ch;
}

p { margin: 0 0 1rem; max-width: 70ch; }
p:last-child { margin-bottom: 0; }

.kicker {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin: 0 0 14px;
}

.section-head { margin-bottom: 40px; }
.section-head h2 { margin-bottom: 14px; }

/* Layout helpers */

.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-bordered { border-top: 1px solid var(--border); }
.bg-offwhite { background: var(--offwhite); }
.bg-charcoal { background: var(--charcoal); color: var(--white); }
.bg-charcoal h1, .bg-charcoal h2, .bg-charcoal h3 { color: var(--white); }
.bg-charcoal .lede { color: #C9CFCD; }

.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; gap: 32px; }
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--charcoal);
}

.logo span { color: var(--teal); }

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav.primary-nav a {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--charcoal-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

nav.primary-nav a:hover,
nav.primary-nav a[aria-current="page"] { color: var(--charcoal); border-bottom-color: var(--teal); }

.nav-cta {
  background: var(--teal);
  color: var(--white) !important;
  padding: 10px 20px !important;
  border-bottom: none !important;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--teal-dark); color: var(--white) !important; }

.mobile-menu { display: none; }

@media (max-width: 860px) {
  nav.primary-nav.desktop-only { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu summary {
    list-style: none;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 10px 16px;
    border: 1px solid var(--border);
  }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu[open] summary { border-bottom: none; }
  .mobile-panel {
    position: absolute;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 20px;
  }
  .mobile-panel a {
    display: block;
    padding: 12px 0;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
  }
  .mobile-panel a:last-child { border-bottom: none; }
}

/* Hero */

.hero {
  padding: 88px 0 72px;
}

.hero h1 { margin-bottom: 22px; }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 28px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); }

.btn-ghost { background: transparent; color: var(--charcoal); border-color: var(--charcoal); }
.btn-ghost:hover { background: var(--charcoal); color: var(--white); }

.btn-ghost-light { background: transparent; color: var(--white); border-color: var(--white); }
.btn-ghost-light:hover { background: var(--white); color: var(--charcoal); }

.btn-small { padding: 10px 18px; font-size: 0.76rem; }
.btn-block { width: 100%; }

/* Problem list */

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (max-width: 720px) { .problem-list { grid-template-columns: 1fr; } }

.problem-item {
  background: var(--white);
  padding: 30px;
}

.problem-item h3 { margin-bottom: 10px; }
.problem-item p { color: var(--charcoal-soft); margin-bottom: 12px; }
.problem-item a { color: var(--teal-dark); font-weight: 600; font-size: 0.9rem; }
.problem-item a:hover { text-decoration: underline; }

/* Ledger / product register */

.ledger { border-top: 1px solid var(--border); }

.ledger-row {
  display: grid;
  grid-template-columns: 2fr 3fr auto auto;
  gap: 24px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 780px) {
  .ledger-row { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
}

.ledger-row .lg-name { font-family: var(--serif); font-weight: 600; font-size: 1.1rem; }
.ledger-row .lg-problem { color: var(--charcoal-soft); font-size: 0.95rem; }
.ledger-row .lg-price { font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
.ledger-row .lg-price small { display: block; font-weight: 500; font-size: 0.72rem; color: var(--charcoal-soft); text-transform: uppercase; letter-spacing: 0.06em; }

.tier-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: var(--teal-tint);
  padding: 3px 8px;
  margin-left: 10px;
  vertical-align: middle;
  border-radius: 2px;
}

/* Vault / featured band */

.vault-band {
  background: var(--charcoal);
  color: var(--white);
  padding: 44px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 32px;
  align-items: center;
  margin-bottom: 56px;
}

@media (max-width: 780px) { .vault-band { grid-template-columns: 1fr; padding: 32px; } }

.vault-band h2 { color: var(--white); margin-bottom: 12px; }
.vault-band p { color: #C9CFCD; }
.vault-price { text-align: right; }
.vault-price .was { color: #8E9793; text-decoration: line-through; font-size: 0.95rem; }
.vault-price .now { font-family: var(--serif); font-size: 2.2rem; color: var(--white); font-weight: 600; }
.vault-price .save { color: var(--teal-tint); font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
@media (max-width: 780px) { .vault-price { text-align: left; } }

/* Test / control panel */

.control-panel {
  border: 1px solid var(--border);
  padding: 32px;
  background: var(--offwhite);
}

.control-panel h3 { margin-bottom: 18px; }

.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 0.96rem;
  color: var(--charcoal-soft);
}
.check-list li:first-child { border-top: none; }
.check-list svg { flex: 0 0 auto; margin-top: 3px; }
.check-list strong { color: var(--charcoal); }

/* Spec strip */

.spec-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 28px 0;
}
.spec-strip div { font-size: 0.82rem; color: var(--charcoal-soft); text-transform: uppercase; letter-spacing: 0.04em; }
.spec-strip strong { display: block; font-family: var(--serif); font-size: 1.3rem; color: var(--charcoal); text-transform: none; letter-spacing: 0; font-weight: 600; }

/* Product hero */

.product-hero .kicker { margin-bottom: 18px; }
.product-price-box {
  border: 1px solid var(--border);
  padding: 28px;
  background: var(--offwhite);
}
.product-price-box .amount { font-family: var(--serif); font-size: 2.4rem; font-weight: 600; margin-bottom: 4px; }
.product-price-box .licence { font-size: 0.82rem; color: var(--charcoal-soft); margin-bottom: 20px; }
.product-price-box ul { list-style: none; margin: 20px 0 0; padding: 0; font-size: 0.88rem; color: var(--charcoal-soft); }
.product-price-box ul li { padding: 6px 0; border-top: 1px solid var(--border); }
.product-price-box ul li:first-child { border-top: none; }

/* FAQ */

.faq-item { border-top: 1px solid var(--border); padding: 22px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-item h3 { margin-bottom: 8px; font-size: 1.05rem; }
.faq-item p { color: var(--charcoal-soft); }

/* Footer */

footer.site-footer {
  background: var(--charcoal);
  color: #C9CFCD;
  padding: 56px 0 28px;
  margin-top: 96px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

.footer-grid h4 {
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  font-family: var(--sans);
  font-weight: 700;
}

.footer-grid a, .footer-grid p { display: block; font-size: 0.9rem; color: #AEB6B3; margin-bottom: 8px; }
.footer-grid a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid #3A413F;
  padding-top: 22px;
  font-size: 0.8rem;
  color: #8E9793;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Legal pages */

.legal-body h2 { text-transform: none; font-size: 1.3rem; margin: 40px 0 14px; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li { color: var(--charcoal-soft); }
.legal-body ul { padding-left: 20px; }
.legal-updated { color: var(--charcoal-soft); font-size: 0.85rem; margin-bottom: 40px; }

/* Thank you */

.thankyou-box {
  border: 1px solid var(--border);
  background: var(--offwhite);
  padding: 48px;
  text-align: center;
}
.thankyou-box .mark { color: var(--teal); margin-bottom: 20px; }

/* Utility */

.center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-48 { margin-top: 48px; }