/*
Theme Name: UAVCodex
Theme URI: https://uavcodex.com
Author: UAVCodex
Description: Custom theme for UAVCodex: drone news, products, components and guides.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: uavcodex
*/

/* Layout: a technical reference journal. Masthead, lead story + index rail, spec-sheet "codex" grid, guides list, footer. */
:root{
  --bg:#f4f6f5; --surface:#ffffff; --ink:#13212b; --muted:#5a6b74; --line:#dde3e1;
  --accent:#0b7480; --accent-soft:#e1f0f1; --signal:#c8791a; --ad:#eef1f0;
  --display:"Archivo","Arial Narrow",Arial,sans-serif;
  --body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0f171c; --surface:#16222a; --ink:#e4ecee; --muted:#93a6ad; --line:#26353e;
  --accent:#4cc0cb; --accent-soft:#163238; --signal:#e9a14a; --ad:#1a2830; color-scheme:dark}}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;margin:0;-webkit-font-smoothing:antialiased}
img,svg,video,iframe{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:20px}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.01em;color:var(--ink)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.meta{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.screen-reader-text,.skip{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{position:fixed!important;width:auto;height:auto;clip:auto;left:12px;top:12px;z-index:100;background:var(--surface);padding:8px 14px;border-radius:6px}

/* masthead */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:0;position:relative}}
.mast{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:14px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:26px;letter-spacing:-.02em;color:var(--ink);flex-shrink:0}
.logo b{color:var(--accent)}
.logo svg{width:34px;height:34px}
.logo img{max-height:44px;width:auto}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{font-family:var(--display);font-weight:500;font-size:15.5px}
.nav .current-menu-item>a,.nav .current-cat>a,.nav a[aria-current]{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent);padding-bottom:3px}
.search input{font-family:var(--mono);font-size:13px;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:7px 12px;background:var(--bg);width:190px}
.burger{display:none;font-family:var(--mono);font-size:13px;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;padding:7px 12px;cursor:pointer}

.ticker{border-bottom:1px solid var(--line);background:var(--bg)}
.ticker .wrap{display:flex;gap:28px;overflow-x:auto;padding-block:9px;font-family:var(--mono);font-size:12.5px;color:var(--muted);white-space:nowrap}
.ticker b{color:var(--ink);font-weight:500}

/* lead */
.lead{display:grid;grid-template-columns:1.6fr 1fr;gap:36px;padding-block:36px 28px}
.lead>*,.split>*,.fgrid>*,.single-grid>*{min-width:0}
.art{aspect-ratio:16/9;max-width:100%;border-radius:8px;overflow:hidden;background:linear-gradient(160deg,var(--accent-soft),var(--surface));border:1px solid var(--line);position:relative;display:block}
.art img,.art svg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lead h1{font-size:clamp(28px,4vw,42px);font-weight:800;margin:14px 0 12px}
.lead .dek{color:var(--muted);font-size:18.5px;margin:0 0 14px;max-width:62ch}
.rail h2{font-size:14px;font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding-bottom:10px;border-bottom:2px solid var(--ink)}
.rail ol{list-style:none;margin:0;padding:0}
.rail li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.rail .n{font-family:var(--display);font-weight:800;font-size:22px;color:var(--accent);line-height:1}
.rail h3{font-size:17px;font-weight:700;margin-bottom:4px}

/* ad slots */
.ad{margin-block:8px 36px;text-align:center;overflow:hidden}
.ad-hint{background:var(--ad);border:1px dashed var(--line);border-radius:6px;display:grid;place-items:center;color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;min-height:96px;padding:12px}
.ad-box .ad-hint{min-height:250px}
.ad-article{margin-block:28px}

/* section heads */
.sh{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:2px solid var(--ink);padding-bottom:10px;margin-bottom:22px;flex-wrap:wrap}
.sh h2{font-size:28px;font-weight:800}
.sh a{font-family:var(--mono);font-size:13px;color:var(--accent)}
.block{padding-block:12px 40px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{min-width:0}
.card .art{aspect-ratio:3/2;margin-bottom:14px;border-radius:6px}
.card h3{font-size:20px;font-weight:700;margin:8px 0}
.card p{color:var(--muted);font-size:16px;margin:0 0 10px}

/* codex spec sheets */
.codex{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.spec{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;min-width:0;display:flex;flex-direction:column;gap:10px}
.spec .id{display:flex;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.spec .id b{color:var(--signal);font-weight:500}
.spec h3{font-size:18px;font-weight:700}
.spec dl,.spec-table dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0;font-family:var(--mono);font-size:12.5px;font-variant-numeric:tabular-nums}
.spec dt,.spec-table dt{color:var(--muted)}
.spec dd,.spec-table dd{margin:0;text-align:right}
.spec .more{font-family:var(--mono);font-size:12.5px;color:var(--accent);margin-top:auto}

/* guides + sidebar */
.split{display:grid;grid-template-columns:1fr 300px;gap:40px}
.guides{list-style:none;margin:0;padding:0}
.guides li{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.lvl{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.lvl-beginner{color:var(--accent)}.lvl-intermediate{color:var(--signal)}.lvl-advanced{color:var(--ink)}
.guides h3{font-size:20px;font-weight:700;margin-bottom:6px}
.guides p{margin:0;color:var(--muted);font-size:16px}
.side{display:flex;flex-direction:column;gap:24px}
.side .ad{margin:0}
.panel{background:var(--accent-soft);border-radius:8px;padding:22px}
.panel h3{font-size:20px;font-weight:800;margin-bottom:6px}
.panel p{font-size:15.5px;color:var(--muted);margin:0}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-family:var(--mono);font-size:12.5px;border:1px solid var(--line);border-radius:999px;padding:4px 11px;background:var(--surface)}
.empty{background:var(--surface);border:1px dashed var(--line);border-radius:8px;padding:28px;color:var(--muted);text-align:center;font-family:var(--mono);font-size:13px}

/* archive */
.page-head{padding-block:36px 8px}
.page-head h1{font-size:clamp(28px,4vw,40px);font-weight:800}
.page-head p{color:var(--muted);max-width:65ch;margin:10px 0 0}
.archive-list{padding-block:24px 40px}
.pagination,.nav-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:32px;font-family:var(--mono);font-size:13px}
.nav-links a,.nav-links span{border:1px solid var(--line);border-radius:6px;padding:6px 12px;background:var(--surface)}
.nav-links .current{background:var(--accent);color:var(--surface);border-color:var(--accent)}

/* single */
.single-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-block:36px 40px}
.entry-head h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;margin:12px 0 14px}
.entry-head .dek{color:var(--muted);font-size:19px;margin:0 0 14px;max-width:62ch}
.entry-art{margin:22px 0 8px}
.entry-art img{width:100%;border-radius:8px;border:1px solid var(--line)}
.entry-content{max-width:70ch;font-size:18px}
.entry-content h2{font-size:28px;font-weight:800;margin:40px 0 12px}
.entry-content h3{font-size:22px;font-weight:700;margin:30px 0 10px}
.entry-content p,.entry-content ul,.entry-content ol{margin:0 0 20px}
.entry-content li{margin-bottom:6px}
.entry-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.entry-content blockquote{border-left:3px solid var(--accent);margin:24px 0;padding:4px 0 4px 20px;color:var(--muted)}
.entry-content table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 24px;display:block;overflow-x:auto}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:8px 12px;text-align:left}
.entry-content th{background:var(--accent-soft);font-family:var(--display)}
.entry-content code{font-family:var(--mono);font-size:.88em;background:var(--accent-soft);padding:2px 6px;border-radius:4px}
.entry-content pre{font-family:var(--mono);font-size:14px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;overflow-x:auto}
.entry-content pre code{background:none;padding:0}
.entry-content figure{margin:24px 0}
.entry-content img{border-radius:6px}
.entry-content figcaption,.wp-caption-text{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:8px}
.alignwide,.alignfull{max-width:100%}
.aligncenter{margin-inline:auto;display:block}
.alignleft{float:left;margin:0 20px 12px 0}.alignright{float:right;margin:0 0 12px 20px}
.spec-table{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin:22px 0;max-width:70ch}
.spec-table .id{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:10px}
.spec-table .id b{color:var(--signal);font-weight:500}
.spec-table dl{font-size:14px;gap:6px 18px}
.entry-tags{margin-top:28px}
.author-box{display:grid;grid-template-columns:56px 1fr;gap:16px;margin-top:32px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:8px;max-width:70ch}
.author-box .av{width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--surface);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:20px}
.author-box p{margin:4px 0 0;color:var(--muted);font-size:15.5px}
.related{margin-top:48px}

/* footer */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:20px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-block:36px}
.fgrid h4{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 10px;font-weight:500}
.fgrid ul{list-style:none;margin:0;padding:0}
.fgrid li a{display:block;font-family:var(--display);font-size:15px;padding:3px 0}
.fgrid p{color:var(--muted);font-size:15.5px;margin:10px 0 0;max-width:46ch}
.copy{border-top:1px solid var(--line);padding-block:16px;font-family:var(--mono);font-size:12px;color:var(--muted)}

@media (max-width:960px){
  .lead,.split,.single-grid{grid-template-columns:1fr}
  .codex{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr 1fr}
  .search{display:none}
  .burger{display:block}
  .mast{flex-wrap:wrap}
  .nav{display:none;width:100%}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:2px;padding-bottom:8px}
  .nav a{display:block;padding:8px 0}
  .nav .current-menu-item>a,.nav a[aria-current]{box-shadow:none}
}
@media (max-width:620px){
  .cards,.codex,.fgrid{grid-template-columns:1fr}
  .guides li{grid-template-columns:1fr;gap:6px}
  .ad-box .ad-hint{min-height:200px}
  .entry-content{font-size:17px}
  .alignleft,.alignright{float:none;margin:0 0 16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.custom-logo-link{display:flex;align-items:center;flex-shrink:0}
.custom-logo{max-height:44px;width:auto}
.ticker a:hover b{color:var(--accent)}
.single-grid .side{align-self:start;position:sticky;top:90px}
@media (max-width:960px){.single-grid .side{position:static}}