/*
Theme Name: SkyLightPost Extrusion
Theme URI: https://skylightpost.com/
Author: SkyLightPost
Description: Premium business/news theme inspired by matte anodised aluminium extrusion profiles and T-slot framing.
Version: 1.0.0
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 7.4
Text Domain: skylightpost
*/

/* STEP 0A — EXACT DESIGN TOKENS */
:root{
--slp-clear:#D6D8D5;--slp-light-mill:#E4E6E3;--slp-grey:#9EA3A2;--slp-black:#24282A;--slp-blue:#2B5F7A;--slp-red:#8C3A2E;--slp-gold:#93763A;--slp-panel:#F7F7F5;
--slp-brush-light:rgba(255,255,255,.30);--slp-brush-dark:rgba(36,40,42,.10);--slp-chamfer-bright:#F2F3F1;--slp-chamfer-dark:#7C8180;--slp-slot-deep:#6F7574;--slp-fastener-steel:#8C918F;--slp-text:#16191A;--slp-text-pale:#EFF1EF;--slp-faded:#63696A;--slp-alert:#C98A12;
--slp-brush-pitch:3px;--slp-brush-opacity:.06;--slp-slot:14px;--slp-chamfer:3px;--slp-fastener:14px;--slp-cut-end:6px;--slp-container:1440px;--slp-reading:900px;
}
/* STEP 0B-1 — BRUSHED METAL SURFACE: one shared field, angle follows profile direction */
.slp-profile{--brush-angle:90deg;position:relative;background-color:var(--slp-clear);background-image:repeating-linear-gradient(var(--brush-angle),transparent 0 1px,var(--slp-brush-dark) 1px 2px,transparent 2px var(--slp-brush-pitch));background-blend-mode:normal}
.slp-profile-horizontal{--brush-angle:0deg}.slp-profile-vertical{--brush-angle:90deg}
/* STEP 0B-2 — T-SLOT CHANNEL: dark lip + bright undercut + deep channel */
.slp-slot{position:absolute;z-index:1;background:var(--slp-slot-deep);pointer-events:none}.slp-slot-horizontal{left:var(--slp-cut-end);right:var(--slp-cut-end);top:50%;height:var(--slp-slot);transform:translateY(-50%);border-top:1px solid var(--slp-chamfer-dark);border-bottom:2px solid var(--slp-chamfer-bright);box-shadow:inset 0 2px 0 var(--slp-slot-deep)}.slp-slot-vertical{top:var(--slp-cut-end);bottom:var(--slp-cut-end);left:50%;width:var(--slp-slot);transform:translateX(-50%);border-left:1px solid var(--slp-chamfer-dark);border-right:2px solid var(--slp-chamfer-bright);box-shadow:inset 2px 0 0 var(--slp-slot-deep)}
/* STEP 0B-3 — MACHINED EDGE: fixed light direction, bright TL / dark BR */
.slp-profile,.slp-panel-insert,.slp-mounted-plate{border-style:solid;border-width:var(--slp-chamfer);border-top-color:var(--slp-chamfer-bright);border-left-color:var(--slp-chamfer-bright);border-right-color:var(--slp-chamfer-dark);border-bottom-color:var(--slp-chamfer-dark);border-radius:0}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#EEF0EE;color:var(--slp-text);font-family:Inter,Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:var(--slp-blue);text-decoration-thickness:2px;text-underline-offset:3px}a:hover{color:#1E4960}img{max-width:100%;height:auto;display:block}button,input{font:inherit}.slp-wrap{width:min(94%,var(--slp-container));margin:auto}.slp-wide{width:min(96%,1440px);margin:auto}.slp-section{padding:48px 0}.slp-clear{background-color:var(--slp-clear)}.slp-grey{background-color:var(--slp-grey)}.slp-black{background-color:var(--slp-black);color:var(--slp-text-pale)}.slp-blue{background-color:var(--slp-blue);color:var(--slp-text-pale)}.slp-red{background-color:var(--slp-red);color:var(--slp-text-pale)}
.slp-panel-insert{background:var(--slp-panel);position:relative;z-index:2}.slp-cut-end{position:absolute;top:0;bottom:0;width:var(--slp-cut-end);background:var(--slp-slot-deep);z-index:3}.slp-cut-left{left:0}.slp-cut-right{right:0}
.slp-fastener,.slp-toc-fastener{width:var(--slp-fastener);height:var(--slp-fastener);background:var(--slp-fastener-steel);position:absolute;clip-path:polygon(25% 6%,75% 6%,100% 50%,75% 94%,25% 94%,0 50%);border:1px solid #676C6A;box-shadow:inset 0 2px 0 var(--slp-chamfer-bright)}@supports not (clip-path:polygon(0 0)){.slp-fastener,.slp-toc-fastener{border-radius:50%;clip-path:none}}
.slp-fastener.c1{top:12px;left:12px}.slp-fastener.c2{top:12px;right:12px}.slp-fastener.c3{bottom:12px;left:12px}.slp-fastener.c4{bottom:12px;right:12px}.slp-fastener.a{top:10px;left:10px}.slp-fastener.b{bottom:10px;right:10px}
.slp-site-header{position:sticky;top:0;z-index:50;min-height:84px;padding:12px 0 8px}.admin-bar .slp-site-header{top:32px}.slp-header-inner{position:relative;z-index:4;display:grid;grid-template-columns:260px 1fr auto;align-items:center;gap:24px}.slp-brand{height:52px;padding:5px 12px;background:var(--slp-black);display:flex;align-items:center}.slp-brand img{width:auto;height:40px}.slp-nav ul{display:flex;justify-content:center;gap:8px;list-style:none;margin:0;padding:0}.slp-nav a{display:block;padding:10px 14px;background:#303638;color:var(--slp-text-pale);text-decoration:none;font:600 12px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.08em;border:1px solid #505759}.slp-nav .current-menu-item a,.slp-nav a:hover{background:var(--slp-blue);border-color:var(--slp-chamfer-bright)}.slp-header-actions{display:flex;gap:8px}.slp-btn{background:#353B3D;color:var(--slp-text-pale);border:1px solid #60686A;padding:9px 12px;cursor:pointer}.slp-trust{position:relative;z-index:4;display:flex;justify-content:center;gap:28px;margin-top:8px;font:11px ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.08em;color:#CAD1CF}.slp-search-overlay{display:none;position:fixed;inset:0;background:rgba(22,25,26,.82);z-index:100;align-items:flex-start;justify-content:center;padding-top:140px}.slp-search-overlay.is-open{display:flex}.slp-search-panel{width:min(760px,90vw);padding:24px}.slp-search-panel input{width:100%;margin-top:16px;padding:18px;border:2px solid var(--slp-grey);background:#fff;color:var(--slp-text)}
.slp-main-frame{padding:44px 0 20px}.slp-frame-grid{display:grid;grid-template-columns:64px minmax(0,1fr) 64px;gap:0}.slp-rail{min-height:480px}.slp-hero-panel{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:34px 38px;min-height:480px}.slp-hero-image,.slp-image-mount{background:#fff;padding:4px;border:2px solid var(--slp-chamfer-dark);position:relative}.slp-hero-image:after,.slp-image-mount:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--slp-chamfer-bright)}.slp-hero-image img{width:100%;height:100%;object-fit:cover;min-height:390px}.slp-hero-copy{display:flex;flex-direction:column;justify-content:center;padding:24px 12px}.slp-hero-copy h1{font-size:clamp(42px,4vw,52px);line-height:1.05;margin:12px 0 18px}.slp-hero-copy h1 a{color:var(--slp-text);text-decoration:none}.slp-hero-copy p{font-size:19px;max-width:760px}.slp-spec-label{font:600 11px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--slp-faded)}.slp-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:14px;font:11px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.06em;color:var(--slp-faded)}
.slp-cross-member-wrap{padding:28px 0 50px}.slp-cross-member{padding:46px 22px 24px}.slp-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative;z-index:3}.slp-story-panel{padding:22px}.slp-story-panel h3{font-size:24px;line-height:1.15;margin:14px 0 8px}.slp-story-panel h3 a{color:var(--slp-text);text-decoration:none}.slp-story-panel p{margin:0 0 10px}.slp-story-panel .slp-image-mount img{aspect-ratio:16/10;object-fit:cover}
.slp-feature-profile{padding:64px 0;margin:0;min-height:260px}.slp-feature-profile .slot-a{top:28%}.slp-feature-profile .slot-b{top:72%}.slp-feature-profile .slp-wrap{position:relative;z-index:4;max-width:1000px}.slp-feature-profile h2{font-size:36px;line-height:1.1;margin:8px 0}.slp-feature-profile h2 a{color:var(--slp-text-pale);text-decoration:none}.slp-feature-profile p{font-size:18px;max-width:780px}.slp-feature-profile .slp-spec-label,.slp-feature-profile .slp-meta{color:#D8E2E6}
.slp-spec-plate{padding:28px 34px}.slp-spec-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:14px;border-bottom:1px solid var(--slp-grey);font:600 12px ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.08em}.slp-readouts{display:grid;grid-template-columns:repeat(5,1fr)}.slp-readout{padding:26px 20px;border-right:1px solid var(--slp-grey)}.slp-readout:last-child{border-right:0}.slp-readout strong{display:block;font:700 clamp(36px,5vw,64px)/1 ui-monospace,SFMono-Regular,Consolas,monospace}.slp-readout span{display:block;margin-top:8px;font-size:12px;text-transform:uppercase;color:var(--slp-faded)}
.slp-rail-list{display:grid;grid-template-columns:22px minmax(0,1fr) 22px;gap:0}.slp-side-rail{min-height:650px}.slp-register{padding:30px 34px}.slp-register-row{display:grid;grid-template-columns:1fr auto;gap:24px;padding:22px 0;border-bottom:1px solid #D6D9D6}.slp-register-row h3{font-size:20px;margin:4px 0}.slp-register-row h3 a{color:var(--slp-text);text-decoration:none}.slp-register-row>span{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--slp-faded)}.slp-older{display:inline-block;margin-top:24px;padding:11px 20px;background:var(--slp-grey);color:var(--slp-text);text-decoration:none}
.slp-ad{max-width:900px;margin:24px auto;padding:20px;background:var(--slp-panel);border:1px solid var(--slp-faded);min-height:90px}.slp-ad:empty{display:none}.slp-ad-label{display:block;margin-bottom:10px;font:10px ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--slp-faded)}
.slp-article-hero{padding:40px 0}.slp-article-hero-panel{display:grid;grid-template-columns:45% 55%;gap:32px;padding:28px}.slp-article-hero-panel h1{font-size:clamp(40px,4vw,52px);line-height:1.08;margin:12px 0}.slp-article-layout{width:min(96%,1440px);margin:auto;display:grid;grid-template-columns:220px minmax(680px,900px) 190px;gap:34px;align-items:start}.slp-article-main{padding:42px 54px}.slp-article-main .entry-content{font-size:19px;line-height:1.8}.slp-article-main .entry-content p{margin:0 0 1.5em}.slp-article-main .entry-content h2{margin-top:2.4em}.slp-article-main .entry-content img,.slp-article-main figure,.slp-article-main .wp-block-image,.slp-article-main .wp-block-gallery,.slp-article-main .wp-block-media-text{max-width:100%!important;width:auto!important;margin-left:auto!important;margin-right:auto!important}.slp-article-main .entry-content img{height:auto!important}.slp-article-main .alignwide,.slp-article-main .alignfull{max-width:100%!important;width:100%!important;margin-left:0!important;margin-right:0!important}.slp-toc{padding:28px 18px 28px 28px;min-height:320px}.slp-toc .slp-slot{left:12px}.slp-toc ol{list-style:none;padding:0;margin:16px 0}.slp-toc li{margin:10px 0}.slp-toc a{position:relative;display:block;padding-left:18px;color:var(--slp-text);font-size:13px;text-decoration:none}.slp-toc-fastener{position:absolute;left:-1px;top:6px;width:9px;height:9px}.slp-marginalia{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--slp-faded)}.slp-key-points{padding:22px;margin-bottom:32px;background:#fff;border:1px solid #D7DBD7}.slp-key-points h2{margin-top:0}.slp-dropcap>p:first-child:first-letter{float:left;background:var(--slp-black);color:var(--slp-text-pale);padding:8px 12px;margin:6px 10px 0 0;font-size:44px;line-height:1}.slp-article-main blockquote{margin:40px 0;padding:28px;background:var(--slp-blue);color:var(--slp-text-pale);font-size:28px;line-height:1.35;border-left:var(--slp-slot) solid var(--slp-slot-deep)}.slp-author-box{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:26px 0;border-top:1px solid #D6D9D6}.slp-author-box img{border:3px solid var(--slp-grey)}
.slp-related{margin-top:38px}.slp-related-profile{padding:38px 18px 20px}.slp-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;position:relative;z-index:3}.slp-related-card{padding:16px}.slp-related-card h3{font-size:20px;line-height:1.15}.slp-related-card h3 a{color:var(--slp-text)}
.slp-internal-links{margin:30px 0;padding:18px 20px;background:#F0F2EF;border:1px solid var(--slp-grey)}.slp-internal-links-title{font:700 11px ui-monospace,monospace;text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px}.slp-internal-link-row{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:10px 0;border-top:1px solid #D3D7D3}.slp-internal-link-row a{color:var(--slp-blue);text-decoration:underline;text-decoration-thickness:2px}
.slp-archive-hero{padding:46px 0}.slp-archive-hero h1{font-size:44px}.slp-archive-list{display:grid;gap:18px}.slp-archive-card{display:grid;grid-template-columns:240px 1fr;gap:24px;padding:22px}.slp-archive-card h2{margin:4px 0;font-size:28px}.slp-archive-card h2 a{color:var(--slp-text)}
.slp-404{padding:80px 20px}.slp-empty-frame{max-width:920px;margin:auto}.slp-empty-frame>.slp-profile{height:56px}.slp-404-center{text-align:center;padding:80px 30px;background:transparent}.slp-404-center h1{font-size:42px}
.slp-footer{margin-top:64px;padding:50px 0 24px}.slp-footer .slp-slot{top:20px}.slp-footer-grid{position:relative;z-index:3;display:grid;grid-template-columns:1.2fr 1.5fr 1fr;gap:40px}.slp-footer-logo img{max-width:260px;max-height:56px;width:auto;height:auto}.slp-footer h3{font:700 12px ui-monospace,monospace;text-transform:uppercase;letter-spacing:.1em}.slp-footer-nav,.slp-policies{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.slp-footer-nav a,.slp-policies a{color:var(--slp-text-pale);text-decoration:none;font-size:13px}.slp-footer-copy{position:relative;z-index:3;margin-top:30px;padding-top:18px;border-top:1px solid #52595B;color:#C9CFCD;font-size:12px}
.slp-image-placeholder{aspect-ratio:16/10;background:var(--slp-light-mill);border:2px solid var(--slp-grey)}
:focus-visible{outline:3px solid var(--slp-alert);outline-offset:2px}
[data-theme="dark"]{--slp-panel:#16191A;--slp-clear:#3A3F41;--slp-light-mill:#44494B;--slp-grey:#2C3133;--slp-black:#0E1213;--slp-chamfer-bright:#6E7476;--slp-chamfer-dark:#14181A;--slp-text:#EFF1EF;--slp-faded:#A7AFAD;background:#101314;color:var(--slp-text)}[data-theme="dark"] body{background:#101314}[data-theme="dark"] .slp-panel-insert,[data-theme="dark"] .slp-key-points,[data-theme="dark"] .slp-ad,[data-theme="dark"] .slp-internal-links{background:#16191A}[data-theme="dark"] .slp-register-row{border-color:#343A3B}[data-theme="dark"] .slp-internal-link-row{border-color:#343A3B}
@media (min-resolution:2dppx){:root{--slp-brush-pitch:4px;--slp-brush-opacity:.04}}
@media(max-width:1200px){.slp-article-layout{grid-template-columns:minmax(0,1fr);width:90%}.slp-toc,.slp-marginalia{display:none}.slp-article-main{width:100%;padding:32px 24px}.slp-frame-grid{grid-template-columns:24px minmax(0,1fr) 24px}.slp-header-inner{grid-template-columns:220px 1fr auto;gap:12px}}
@media(max-width:900px){.slp-header-inner{grid-template-columns:1fr auto}.slp-nav{grid-column:1/-1;overflow:auto}.slp-nav ul{justify-content:flex-start}.slp-trust{display:none}.slp-hero-panel,.slp-article-hero-panel{grid-template-columns:1fr}.slp-grid-3,.slp-related-grid{grid-template-columns:1fr}.slp-readouts{grid-template-columns:repeat(2,1fr)}.slp-readout{border-bottom:1px solid var(--slp-grey)}.slp-footer-grid{grid-template-columns:1fr 1fr}.slp-main-frame{padding-top:20px}}
@media(max-width:767px){:root{--slp-slot:10px;--slp-fastener:10px;--slp-brush-pitch:4px;--slp-brush-opacity:.04}.admin-bar .slp-site-header{top:46px}.slp-site-header{position:relative;min-height:auto}.slp-frame-grid{grid-template-columns:10px minmax(0,1fr) 10px}.slp-hero-panel{padding:20px;gap:18px}.slp-hero-image img{min-height:220px}.slp-hero-copy{padding:8px}.slp-hero-copy h1{font-size:36px}.slp-section{padding:32px 0}.slp-cross-member{padding:32px 12px 14px}.slp-feature-profile{padding:46px 0}.slp-spec-plate{padding:20px}.slp-readouts{grid-template-columns:1fr 1fr}.slp-readout{padding:18px 12px}.slp-rail-list{grid-template-columns:8px minmax(0,1fr) 8px}.slp-register{padding:22px 18px}.slp-register-row{grid-template-columns:1fr}.slp-archive-card{grid-template-columns:1fr}.slp-footer-grid{grid-template-columns:1fr}.slp-footer-nav,.slp-policies{grid-template-columns:1fr 1fr}.slp-fastener.c3,.slp-fastener.c4{display:none}.slp-article-main{padding:26px 18px}.slp-article-main .entry-content{font-size:18px}.slp-header-actions{justify-self:end}.slp-brand{width:max-content}.slp-brand img{height:34px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}