/* ==========================================================================
   Lyvoramex — Design Tokens
   Palette: cool paper + ink navy + index-teal + key-amber
   Type: Space Grotesk (display) / Inter (body) / JetBrains Mono (data/labels)
   Motif: the course catalog behaves like a database table — rows, fields,
   monospace labels — because the subject matter earns that structure.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #10151B;
  --ink-soft: #2B323A;
  --paper: #F4F5F1;
  --paper-alt: #ECEEE8;
  --white: #FFFFFF;
  --line: #D7D9D2;
  --muted: #5B6058;
  --accent: #2F6F5E;      /* index teal */
  --accent-soft: #E3ECE9;
  --key: #B98B2E;          /* key amber */
  --key-soft: #F4E9D6;

  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --display: 'Space Grotesk', var(--sans);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --radius: 3px;
  --container: 1120px;
}

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

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* -------------------------------------------------------------------- */
/* Utility labels — mimic field/column tags                             */
/* -------------------------------------------------------------------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  display: inline-block;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(34px, 5vw, 54px); }
h2 { font-size: clamp(26px, 3.4vw, 36px); }
h3 { font-size: 20px; }

p { color: var(--ink-soft); margin: 0 0 16px; }
.lede { font-size: 18px; color: var(--muted); max-width: 560px; }

.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}
.section-tight { padding: 64px 0; }
.section:last-of-type { border-bottom: none; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------------- */
/* Header                                                                */
/* -------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244,245,241,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 2px;
}
.logo .bracket { color: var(--accent); }

nav.main-nav {
  display: flex;
  gap: 32px;
  font-size: 14.5px;
  font-weight: 500;
}
nav.main-nav a { color: var(--ink-soft); transition: color .15s; }
nav.main-nav a:hover { color: var(--accent); }

.nav-cta {
  font-family: var(--mono);
  font-size: 13px;
  border: 1px solid var(--ink);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}
.nav-cta:hover { background: var(--ink); color: var(--white); }

/* -------------------------------------------------------------------- */
/* Hero                                                                  */
/* -------------------------------------------------------------------- */

.hero {
  padding: 80px 0 96px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-copy .lede { margin-bottom: 32px; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .12s ease, background .15s, border-color .15s, color .15s;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--ink); color: var(--white); }
.btn-primary:hover { background: var(--accent); }

.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-block { width: 100%; justify-content: center; }

/* Schema card — the signature element */
.schema-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 0 var(--line);
}
.schema-card-head {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-alt);
  display: flex;
  justify-content: space-between;
}
.schema-row {
  display: grid;
  grid-template-columns: 32px 1fr 90px;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  font-size: 14px;
}
.schema-row:last-child { border-bottom: none; }
.schema-row .id { font-family: var(--mono); color: var(--muted); font-size: 12.5px; }
.schema-row .field-name { font-weight: 500; }
.schema-row .field-level {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent);
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* -------------------------------------------------------------------- */
/* Two-col text sections (Mission / Who We Are)                         */
/* -------------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
}
.split .lede { max-width: none; }

/* -------------------------------------------------------------------- */
/* Course collection — table motif                                      */
/* -------------------------------------------------------------------- */

.catalog-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.catalog-head {
  display: grid;
  grid-template-columns: 56px 1.4fr 0.6fr 0.9fr 0.5fr 120px;
  gap: 16px;
  padding: 14px 20px;
  background: var(--paper-alt);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.catalog-row {
  display: grid;
  grid-template-columns: 56px 1.4fr 0.6fr 0.9fr 0.5fr 120px;
  gap: 16px;
  padding: 20px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  transition: background .15s;
}
.catalog-row:last-child { border-bottom: none; }
.catalog-row:hover { background: var(--paper-alt); }

.catalog-row .id { font-family: var(--mono); color: var(--muted); font-size: 13px; }
.catalog-row .name { font-family: var(--display); font-weight: 600; font-size: 16.5px; margin-bottom: 3px; }
.catalog-row .tagline { font-size: 13.5px; color: var(--muted); }
.catalog-row .level { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.catalog-row .format {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3px 8px;
  width: fit-content;
}
.catalog-row .price { font-family: var(--mono); font-weight: 600; font-size: 15px; }
.catalog-row .view {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 12px;
  text-align: center;
  transition: background .15s, color .15s;
}
.catalog-row .view:hover { background: var(--ink); color: var(--white); }

/* -------------------------------------------------------------------- */
/* Benefits grid                                                        */
/* -------------------------------------------------------------------- */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.benefit-card {
  background: var(--white);
  padding: 28px 22px;
}
.benefit-card .tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--key);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: block;
}
.benefit-card p { font-size: 14.5px; margin: 0; color: var(--ink-soft); }

/* -------------------------------------------------------------------- */
/* Team                                                                  */
/* -------------------------------------------------------------------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--white);
}
.team-card .role {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  display: block;
}
.team-card p { font-size: 14px; margin: 0; color: var(--muted); }

/* -------------------------------------------------------------------- */
/* Devices row                                                          */
/* -------------------------------------------------------------------- */

.devices-row {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.device-icon { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-soft); }
.device-icon svg { width: 26px; height: 26px; stroke: var(--accent); }

/* -------------------------------------------------------------------- */
/* FAQ accordion                                                        */
/* -------------------------------------------------------------------- */

.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:first-child { border-top: 1px solid var(--line); }

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 4px;
  font-family: var(--display);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq-q .plus {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 18px;
  transition: transform .2s;
  flex-shrink: 0;
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.faq-a p { padding: 0 4px 22px; font-size: 14.5px; }

/* -------------------------------------------------------------------- */
/* CTA banner                                                           */
/* -------------------------------------------------------------------- */

.cta-banner {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); margin-bottom: 6px; }
.cta-banner p { color: #B7BCB8; margin: 0; }
.cta-banner .btn-primary { background: var(--accent); }
.cta-banner .btn-primary:hover { background: #3E8A76; }

/* -------------------------------------------------------------------- */
/* Footer                                                                */
/* -------------------------------------------------------------------- */

footer.site-footer {
  background: var(--paper-alt);
  border-top: 1px solid var(--line);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 12px;
}
.social-icons { display: flex; gap: 14px; }
.social-icons a {
  width: 32px; height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.social-icons svg { width: 15px; height: 15px; }
.social-icons a:hover { border-color: var(--accent); }

/* -------------------------------------------------------------------- */
/* Product detail page                                                  */
/* -------------------------------------------------------------------- */

.product-hero { padding: 56px 0 48px; border-bottom: 1px solid var(--line); }
.breadcrumb {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--accent); }

.product-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 48px;
  align-items: start;
}

.buy-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 26px;
  position: sticky;
  top: 90px;
}
.buy-box .price-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}
.buy-box .price {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 600;
}
.buy-box .format-note { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.buy-box ul { list-style: none; padding: 0; margin: 20px 0 0; }
.buy-box li {
  font-size: 13.5px;
  color: var(--ink-soft);
  padding: 8px 0;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 8px;
}
.buy-box li::before { content: "—"; color: var(--accent); }

.module-list { list-style: none; padding: 0; margin: 0; }
.module-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.module-list .num { font-family: var(--mono); color: var(--accent); font-size: 13px; }
.module-list .m-title { font-weight: 600; margin-bottom: 3px; }
.module-list .m-desc { font-size: 13.5px; color: var(--muted); margin: 0; }

.tag-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 10px;
  margin-right: 8px;
  color: var(--muted);
}

/* -------------------------------------------------------------------- */
/* Loading page                                                         */
/* -------------------------------------------------------------------- */

.loading-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
  padding: 24px;
}
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-screen .item-name { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.loading-screen h2 { margin-bottom: 4px; }
.loading-fallback { display: none; max-width: 380px; }
.loading-fallback.show { display: block; }

/* -------------------------------------------------------------------- */
/* Simple pages (About / Contact / Legal)                                */
/* -------------------------------------------------------------------- */

.page-hero { padding: 64px 0 40px; border-bottom: 1px solid var(--line); }
.prose { max-width: 720px; }
.prose h2 { margin-top: 40px; font-size: 21px; }
.prose p, .prose li { color: var(--ink-soft); font-size: 15px; }
.prose strong { color: var(--ink); }

.contact-form { display: grid; gap: 16px; max-width: 520px; }
.contact-form label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 14.5px;
  background: var(--white);
  color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.contact-form textarea { min-height: 120px; resize: vertical; }

/* -------------------------------------------------------------------- */
/* Responsive                                                            */
/* -------------------------------------------------------------------- */

@media (max-width: 880px) {
  nav.main-nav { display: none; }
  .hero .wrap { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .catalog-head { display: none; }
  .catalog-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .catalog-row .view { width: fit-content; }
  .product-layout { grid-template-columns: 1fr; }
  .buy-box { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}