/*
Theme Name: InstruPro Blog
Theme URI: https://example.com/instrupro
Author: Tu Nombre
Author URI: https://example.com
Description: Tema de revista técnica para blogs de instrumentación industrial, PLC, automatización y control. Portada tipo magazine con secciones por categoría, zonas de anuncios (Google AdSense) editables como widgets, y personalización completa sin tocar código.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: instrupro
Tags: blog, news, two-columns, right-sidebar, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ============ Tokens ============ */
:root{
  --panel:#101820;          /* gris pizarra de sala de control */
  --panel-2:#182430;
  --paper:#ffffff;
  --bg:#f2f4f6;
  --ink:#16212b;
  --muted:#5b6b78;
  --line:#dde3e8;
  --accent:#f5a300;         /* ámbar de señal */
  --accent-ink:#8a5b00;
  --link:#0a6e8e;
  --radius:10px;
  --maxw:1200px;
  --font-display:'Archivo',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;line-height:1.65;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

h1,h2,h3,h4,h5{font-family:var(--font-display);line-height:1.2;color:var(--ink);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:2.1rem;font-weight:800}
h2{font-size:1.6rem;font-weight:700}
h3{font-size:1.25rem;font-weight:700}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ============ Barra superior + cabecera ============ */
.topbar{background:var(--panel-2);color:#c8d3dc;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:12px}
.topbar a{color:#fff}
.top-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-social{display:flex;gap:14px;flex-shrink:0}
.top-social a{opacity:.85}
.top-social a:hover{opacity:1;color:var(--accent);text-decoration:none}

.site-header{background:var(--panel);color:#fff;position:relative}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand a{color:#fff;text-decoration:none}
.custom-logo{max-height:48px;width:auto}
.site-title{font-family:var(--font-display);font-weight:800;font-size:1.5rem;letter-spacing:-.02em;margin:0}
.site-title a{color:#fff}
.site-tagline{margin:0;font-size:.75rem;color:#93a3b1;font-family:var(--font-mono)}

/* línea de señal: firma visual del tema */
.signal-line{height:4px;background:linear-gradient(90deg,var(--accent) 0%,#ffcf66 35%,var(--accent) 60%,#c77f00 100%)}

/* ============ Navegación ============ */
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px}
.main-nav li{position:relative}
.main-nav a{display:block;padding:12px 14px;color:#e8eef3;font-weight:600;font-size:.93rem;border-radius:6px}
.main-nav a:hover{background:var(--panel-2);color:var(--accent);text-decoration:none}
.main-nav .sub-menu{display:none;position:absolute;top:100%;left:0;background:var(--panel-2);min-width:230px;padding:6px;border-radius:8px;box-shadow:0 12px 30px rgba(0,0,0,.35);z-index:50}
.main-nav li:hover>.sub-menu,.main-nav li:focus-within>.sub-menu{display:block}
.main-nav .sub-menu a{padding:9px 12px;font-weight:500}

.nav-toggle{display:none;background:none;border:1px solid #3a4a58;color:#fff;border-radius:8px;padding:8px 12px;font-size:1rem;cursor:pointer}
.header-search form{display:flex}
.header-search input[type=search]{border:1px solid #3a4a58;background:var(--panel-2);color:#fff;border-radius:8px 0 0 8px;padding:8px 12px;width:180px;font-size:.9rem}
.header-search input::placeholder{color:#7f909e}
.header-search button{border:0;background:var(--accent);color:#1a1a1a;font-weight:700;border-radius:0 8px 8px 0;padding:8px 14px;cursor:pointer}

/* ============ Chips de categoría (placa de instrumento) ============ */
.tagchip{
  display:inline-block;font-family:var(--font-mono);font-size:.7rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);
  background:#fff6e3;border:1px solid #f0d9a6;border-radius:4px;padding:2px 8px;
}
.tagchip:hover{text-decoration:none;background:var(--accent);color:#1a1a1a;border-color:var(--accent)}

/* ============ Portada magazine ============ */
.home-hero{margin:26px 0}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}
.hero-main{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--panel);min-height:380px;display:flex;align-items:flex-end}
.hero-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75}
.hero-main .hero-body{position:relative;padding:28px;background:linear-gradient(0deg,rgba(10,16,22,.92) 0%,rgba(10,16,22,.35) 70%,transparent 100%);width:100%}
.hero-main h2{font-size:1.9rem;margin:.4em 0 .3em}
.hero-main h2 a{color:#fff}
.hero-main p{color:#c8d3dc;margin:0;font-size:.95rem}
.hero-side{display:flex;flex-direction:column;gap:20px}
.hero-side .mini{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--panel);flex:1;min-height:110px;display:flex;align-items:flex-end}
.hero-side .mini img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-side .mini .hero-body{position:relative;padding:14px;background:linear-gradient(0deg,rgba(10,16,22,.92),transparent);width:100%}
.hero-side .mini h3{font-size:1rem;margin:.35em 0 0}
.hero-side .mini h3 a{color:#fff}

.section-head{display:flex;align-items:center;justify-content:space-between;border-bottom:3px solid var(--panel);margin:36px 0 18px;padding-bottom:8px}
.section-head h2{margin:0;font-size:1.35rem}
.section-head .view-all{font-size:.85rem;font-weight:600}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s ease,transform .15s ease}
.card:hover{box-shadow:0 10px 24px rgba(16,24,32,.10);transform:translateY(-2px)}
.card .thumb{aspect-ratio:16/9;background:#e6ebef;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .card-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px}
.card h3{font-size:1.02rem;margin:0}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--link)}
.card .meta{font-size:.78rem;color:var(--muted)}

/* ============ Layout con sidebar ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;margin:30px 0 50px}
.content-col{min-width:0}
.widget{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:22px}
.widget-title{font-size:.85rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);border-bottom:2px solid var(--accent);padding-bottom:8px;margin-bottom:12px}
.widget ul{margin:0;padding-left:18px}
.widget li{margin-bottom:6px}

/* zona de anuncio */
.ad-zone{margin:22px 0;text-align:center}
.ad-zone .widget{background:transparent;border:1px dashed var(--line);padding:10px}
.ad-label{display:block;font-size:.65rem;text-transform:uppercase;letter-spacing:.12em;color:#9aa8b3;margin-bottom:6px;font-family:var(--font-mono)}

/* ============ Listados / archivo ============ */
.archive-title{margin:30px 0 6px}
.archive-desc{color:var(--muted);margin:0 0 10px}
.post-list .card{flex-direction:row;margin-bottom:20px}
.post-list .card .thumb{width:280px;flex-shrink:0;aspect-ratio:16/10}
.post-list .card h3{font-size:1.2rem}
.post-list .excerpt{font-size:.92rem;color:var(--muted);margin:0}

/* ============ Artículo ============ */
.single-article{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.entry-meta{font-size:.85rem;color:var(--muted);margin-bottom:18px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.entry-content{font-size:1.05rem}
.entry-content h2{margin-top:1.6em;padding-bottom:.25em;border-bottom:2px solid var(--line)}
.entry-content h3{margin-top:1.4em}
.entry-content img{border-radius:8px;margin:1.2em auto}
.entry-content figure{margin:1.2em 0}
.entry-content figcaption{font-size:.82rem;color:var(--muted);text-align:center}
.entry-content blockquote{border-left:4px solid var(--accent);margin:1.2em 0;padding:.4em 1.2em;background:#fbf7ee;border-radius:0 8px 8px 0}
.entry-content pre{background:var(--panel);color:#e8eef3;padding:16px;border-radius:8px;overflow:auto;font-family:var(--font-mono);font-size:.88rem}
.entry-content code{font-family:var(--font-mono);font-size:.9em;background:#eef2f5;padding:.15em .4em;border-radius:4px}
.entry-content pre code{background:none;padding:0}
.entry-content table{border-collapse:collapse;width:100%;margin:1.2em 0;font-size:.92rem}
.entry-content th{background:var(--panel);color:#fff;text-align:left}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:8px 12px}
.entry-content tr:nth-child(even) td{background:#f7f9fa}
.entry-footer{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);display:flex;gap:8px;flex-wrap:wrap}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin:26px 0}
.post-nav a{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:12px 16px;flex:1;font-size:.9rem}
.post-nav .next{text-align:right}

/* comentarios */
.comments-area{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:26px}
.comment-list{list-style:none;padding:0}
.comment-list .comment{border-bottom:1px solid var(--line);padding:14px 0}
.comment-list .children{list-style:none;padding-left:28px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;font:inherit}
.comment-form .submit,.wp-block-button__link,button[type=submit]{background:var(--accent);color:#1a1a1a;border:0;border-radius:8px;padding:10px 20px;font-weight:700;cursor:pointer}

/* paginación */
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin:26px 0}
.pagination .page-numbers{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px 14px;font-weight:600}
.pagination .current{background:var(--panel);color:#fff;border-color:var(--panel)}

/* ============ Pie de página ============ */
.site-footer{background:var(--panel);color:#aebac5;margin-top:40px}
.footer-widgets{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:40px 0 28px}
.site-footer .widget{background:transparent;border:0;padding:0;margin:0}
.site-footer .widget-title{color:#fff;border-bottom-color:var(--accent)}
.site-footer a{color:#dbe4ea}
.site-footer a:hover{color:var(--accent)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.footer-bottom{border-top:1px solid #263442;padding:16px 0;font-size:.82rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ============ Utilidades WP ============ */
.aligncenter{margin-left:auto;margin-right:auto}
.alignleft{float:left;margin:0 1.2em .8em 0}
.alignright{float:right;margin:0 0 .8em 1.2em}
.wp-caption{max-width:100%}
.screen-reader-text{clip:rect(1px,1px,1px,1px);position:absolute!important;height:1px;width:1px;overflow:hidden}
.sticky{border-left:4px solid var(--accent)}

/* ============ Responsive ============ */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-side{flex-direction:row}
  .hero-side .mini{min-height:150px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
  .footer-widgets{grid-template-columns:repeat(2,1fr)}
  .header-search{display:none}
}
@media (max-width:700px){
  .nav-toggle{display:block}
  .main-nav{display:none;width:100%}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column}
  .main-nav .sub-menu{position:static;display:block;box-shadow:none;padding-left:16px;background:transparent}
  .site-header .wrap{flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
  .card-grid{grid-template-columns:1fr}
  .post-list .card{flex-direction:column}
  .post-list .card .thumb{width:100%}
  .hero-side{flex-direction:column}
  .single-article{padding:20px}
  .footer-widgets{grid-template-columns:1fr}
  h1{font-size:1.6rem}
  .hero-main h2{font-size:1.35rem}
}
@media (prefers-reduced-motion:reduce){
  .card{transition:none}
  .card:hover{transform:none}
}