/*
Theme Name: MatrixSQL
Theme URI: https://matrix.sistemas360.com
Author: MatrixSQL
Description: Tema a medida para MatrixSQL / QuantyERP. Identidad tipo "libro contable": papel verde pálido, tinta oscura, acento azul rey y rojo sello, tipografía serif/mono para documentos y cifras.
Version: 1.0.0
Requires at least: 5.9
Requires PHP: 7.4
Text Domain: matrixsql
*/

:root{
  --bg: #F2F5EE;
  --bg-alt: #E7ECE0;
  --paper-card: #FBFCF9;
  --ink: #16241D;
  --ink-soft: #45564C;
  --rule: #C6D0BC;
  --accent: #1D3FD1;
  --accent-strong: #14309E;
  --stamp: #A8402B;
  --shadow: 0 1px 0 rgba(22,36,29,0.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg: #121A15;
    --bg-alt: #1A2319;
    --paper-card: #17201A;
    --ink: #E9EEE3;
    --ink-soft: #AEBBA4;
    --rule: #2E3A2A;
    --accent: #6C8EFF;
    --accent-strong: #93AEFF;
    --stamp: #D97B5F;
  }
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
::selection{ background: var(--accent); color: var(--bg); }

img{ max-width:100%; height:auto; }

h1,h2,h3{ text-wrap: balance; margin: 0; font-weight: 600; }
p{ margin: 0; }
a{ color: inherit; }

.wrap{ max-width: 1120px; margin: 0 auto; padding: 0 28px; }

.eyebrow{
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

/* ---------- utility bar ---------- */
.utility-bar{
  background: var(--bg-alt);
  border-bottom: 1px solid var(--rule);
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.75rem;
}
.utility-bar .wrap{
  display:flex; justify-content:flex-end; gap:22px; padding:7px 28px; flex-wrap:wrap;
}
.utility-bar a{
  text-decoration:none; color: var(--ink-soft);
  display:inline-flex; align-items:center; gap:4px;
  transition: color .15s ease;
}
.utility-bar a:hover, .utility-bar a:focus-visible{ color: var(--accent); }

/* ---------- header / letterhead ---------- */
.site-header-fixed{
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
}

header.letterhead{
  position: relative;
  padding: 22px 0 16px;
  border-bottom: 1px solid var(--rule);
}
header.letterhead::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-5px;
  height:1px; background: var(--rule);
}
.letterhead .wrap{
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.logo{
  display:flex; align-items:baseline; gap:2px; font-size:1.5rem;
  letter-spacing: -0.01em;
}
.logo .word{ font-family: ui-serif, Georgia, "Iowan Old Style", serif; font-weight:700; color:var(--ink); }
.logo .tag{
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-weight:600; color: var(--accent);
  padding: 1px 6px;
  border: 1px solid var(--accent);
}
nav.primary{ display:flex; gap:28px; flex-wrap:wrap; }
nav.primary ul{ list-style:none; display:flex; gap:28px; flex-wrap:wrap; margin:0; padding:0; }
nav.primary a{
  text-decoration:none; font-size:0.92rem; color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .15s ease, border-color .15s ease;
}
nav.primary a:hover, nav.primary a:focus-visible{ color: var(--ink); border-color: var(--accent); }
nav.primary a:focus-visible{ outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- hero ---------- */
.hero{ padding: 72px 0 64px; }
.hero .wrap{
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items:center;
}
.hero h1{
  font-family: ui-serif, Georgia, "Iowan Old Style", serif;
  font-size: clamp(2.1rem, 4.4vw, 3.25rem);
  line-height: 1.08;
  color: var(--ink);
}
.hero .lead{
  margin-top: 20px;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero .cta-row{ display:flex; gap:14px; margin-top:32px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.95rem; font-weight:600; text-decoration:none;
  padding: 12px 20px; border: 1px solid var(--ink);
  transition: transform .12s ease, background .15s ease, color .15s ease;
}
.btn.primary{ background: var(--ink); color: var(--bg); }
.btn.primary:hover{ background: var(--accent-strong); border-color: var(--accent-strong); transform: translateY(-1px); color: var(--bg); }
.btn.ghost{ border-color: var(--rule); color: var(--ink); }
.btn.ghost:hover{ border-color: var(--ink); transform: translateY(-1px); }

.ledger-card{
  background: var(--paper-card);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  padding: 22px 24px;
}
.ledger-card .lc-head{
  display:flex; justify-content:space-between; align-items:baseline;
  border-bottom: 1px solid var(--rule); padding-bottom:10px; margin-bottom:10px;
}
.ledger-card .lc-head .mono{ font-size:0.75rem; color:var(--ink-soft); font-family: ui-monospace, Consolas, monospace; }
.lc-row{
  display:flex; justify-content:space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px dashed var(--rule);
  font-size: 0.88rem;
}
.lc-row:last-child{ border-bottom:none; }
.lc-row .status{
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-variant-numeric: tabular-nums;
  color: var(--accent); font-weight:600; font-size:0.78rem;
}

/* ---------- section shell ---------- */
section{ padding: 64px 0; border-top: 1px solid var(--rule); }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:36px; flex-wrap:wrap; }
.section-head h2{ font-family: ui-serif, Georgia, serif; font-size: 1.8rem; margin-top:6px; }
.section-head .more{
  font-size:0.9rem; text-decoration:none; color: var(--accent); font-weight:600;
  white-space:nowrap;
}
.section-head .more:hover{ color: var(--accent-strong); }

/* ---------- modules grid ---------- */
.modules{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.module-card{
  background: var(--paper-card);
  padding: 24px;
  transition: background .15s ease;
}
.module-card:hover{ background: var(--bg-alt); }
.module-card .tag{
  display:inline-block;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.72rem; font-weight:700; letter-spacing:.04em;
  color: var(--accent);
  border: 1px solid var(--rule);
  padding: 2px 7px;
  margin-bottom: 14px;
}
.module-card h3{ font-size:1.05rem; margin-bottom:8px; }
.module-card p{ font-size:0.9rem; color: var(--ink-soft); }

/* ---------- ledger list (descargas / tutoriales) ---------- */
.ledger-list{ border-top:1px solid var(--rule); }
.ledger-row{
  display:grid; grid-template-columns: 64px 1fr auto; gap:18px; align-items:center;
  padding: 16px 4px; border-bottom: 1px solid var(--rule);
  text-decoration:none; color: var(--ink);
}
.ledger-row:hover{ background: var(--bg-alt); }
.ledger-row .code{
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size:0.78rem; color: var(--ink-soft); font-weight:600;
}
.ledger-row .title{ font-size:0.98rem; }
.ledger-row .desc{ display:block; font-size:0.82rem; color:var(--ink-soft); margin-top:2px; }
.ledger-row .arrow{ color: var(--accent); font-size:1.1rem; }

.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* ---------- video tutorial cards ---------- */
.video-card{ padding: 40px 0; border-bottom: 1px solid var(--rule); }
.video-card:last-child{ border-bottom:none; }
.video-card .vc-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap:36px; align-items:start; }
.video-embed{ position:relative; width:100%; aspect-ratio:16/9; background:var(--bg-alt); border:1px solid var(--rule); overflow:hidden; }
.video-embed iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.video-card h3{ font-family: ui-serif, Georgia, serif; font-size:1.3rem; margin-bottom:14px; }
.video-card ul{ list-style:none; margin:0; padding:0; }
.video-card ul li{ position:relative; padding-left:1.4em; margin-bottom:10px; font-size:0.94rem; color:var(--ink-soft); }
.video-card ul li::before{ content:"›"; position:absolute; left:0; color:var(--accent); font-weight:700; }
@media (max-width:860px){ .video-card .vc-grid{ grid-template-columns:1fr; } }

/* ---------- generic content pages ---------- */
.page-title-bar{ padding: 48px 0 28px; border-bottom:1px solid var(--rule); }
.page-title-bar h1{ font-family: ui-serif, Georgia, serif; font-size:2rem; }

.entry-content{ max-width: 760px; }
.entry-content h1, .entry-content h2, .entry-content h3{
  font-family: ui-serif, Georgia, serif;
  margin-top: 2em; margin-bottom: 0.6em;
  padding-bottom: 10px; border-bottom: 1px solid var(--rule);
}
.entry-content h1:first-child, .entry-content h2:first-child, .entry-content h3:first-child{ margin-top:0; }
.entry-content p{ margin-bottom: 1.1em; color: var(--ink); }
.entry-content ul, .entry-content ol{ padding-left: 1.3em; margin-bottom:1.1em; }
.entry-content li{ margin-bottom: 0.5em; }
.entry-content a{ color: var(--accent); text-decoration: underline; text-underline-offset:2px; }
.entry-content a:hover{ color: var(--accent-strong); }
.entry-content table{ width:100%; border-collapse:collapse; margin-bottom:1.5em; }
.entry-content th, .entry-content td{ text-align:left; padding:10px 8px; border-bottom:1px solid var(--rule); font-size:0.92rem; }
.entry-content th{ font-family: ui-monospace, Consolas, monospace; font-size:0.75rem; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-soft); }

.post-list article{ margin-bottom:2.5em; padding-bottom:2em; border-bottom:1px solid var(--rule); }
.post-list h2{ font-family: ui-serif, Georgia, serif; font-size:1.4rem; margin-bottom:0.6em; }
.post-list h2 a{ text-decoration:none; }
.post-list h2 a:hover{ color: var(--accent); }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--rule); padding: 44px 0 36px; background: var(--bg-alt); }
footer .wrap{ display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; align-items:flex-start; }
footer .f-col h4{ font-size:0.78rem; text-transform:uppercase; letter-spacing:.08em; color: var(--ink-soft); margin-bottom:10px; font-weight:700; }
footer .f-col a, footer .f-col p{ display:block; font-size:0.9rem; color: var(--ink); text-decoration:none; margin-bottom:6px; }
footer .f-col a:hover{ color: var(--accent); }
footer .legal{ margin-top:36px; padding-top:20px; border-top:1px solid var(--rule); font-size:0.78rem; color: var(--ink-soft); }

@media (max-width: 860px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .modules{ grid-template-columns: 1fr 1fr; }
  .split{ grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 560px){
  .modules{ grid-template-columns: 1fr; }
  nav.primary ul{ gap:16px; }
  .ledger-row{ grid-template-columns: 44px 1fr; }
  .ledger-row .arrow{ display:none; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; }
}