/*
Theme Name: OpsNormal Learn
Theme URI: https://opsnormalairboss.com
Author: OpsNormal Airboss
Author URI: https://opsnormalairboss.com
Description: Official theme for learn.opsnormalairboss.com. Built on the OpsNormal Airboss light-theme design system — parchment surfaces, navy/plum/signal-green accents, Bebas Neue / DM Sans / DM Mono type — for course pages, lessons, and student dashboards. Compatible with Tutor LMS.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: opsnormal-learn
Tags: education, one-column, two-columns, custom-logo, custom-menu, featured-images, translation-ready
*/

/* ==========================================================================
   0. Fonts
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Mono:wght@400;500&family=DM+Sans:ital,wght@0,300;0,400;0,600;0,700;1,300&display=swap');

/* ==========================================================================
   1. Design tokens
   ========================================================================== */
:root{
  /* surfaces */
  --op-parchment:#F5F0E8;
  --op-linen:#EDE6D8;
  --op-stone:#C9BFB0;
  --op-ink:#1A1610;
  --op-ink-soft:#5A5040;

  /* brand anchors */
  --op-navy:#0B1F3B;
  --op-forest:#47625B;
  --op-signal:#00CC00;

  /* complementary accents */
  --op-plum:#7A3058;
  --op-rose:#C2A89B;
  --op-cobalt:#2A5EC8;
  --op-amber:#9B6A10;

  --op-white:#F2F5F3;

  --font-display:'Bebas Neue', sans-serif;
  --font-mono:'DM Mono', monospace;
  --font-body:'DM Sans', sans-serif;

  --op-radius:10px;
  --op-radius-sm:6px;
  --op-shadow:0 2px 10px rgba(26,22,16,0.07);
  --op-shadow-lg:0 10px 28px rgba(26,22,16,0.14);
  --op-container:1180px;
}

/* ==========================================================================
   2. Reset & base
   ========================================================================== */
*, *::before, *::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--op-parchment);
  color:var(--op-ink);
  font-family:var(--font-body);
  font-weight:300;
  font-size:16px;
  line-height:1.65;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}
img{ max-width:100%; height:auto; display:block; }
a{ color:var(--op-cobalt); text-decoration:none; }
a:hover{ color:var(--op-plum); text-decoration:underline; }
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  letter-spacing:0.03em;
  color:var(--op-navy);
  line-height:1.1;
  margin:0 0 0.5em;
  font-weight:400;
}
h1{ font-size:clamp(2.2rem, 4vw, 3.4rem); }
h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); }
h3{ font-size:1.4rem; }
p{ margin:0 0 1.2em; }
ul,ol{ padding-left:1.3em; }
.screen-reader-text{
  position:absolute !important; width:1px; height:1px; overflow:hidden;
  clip:rect(1px,1px,1px,1px); white-space:nowrap; border:0; padding:0; margin:-1px;
}
.screen-reader-text:focus{
  position:fixed; left:8px; top:8px; width:auto; height:auto; z-index:100000;
  background:var(--op-navy); color:var(--op-white); padding:12px 18px;
  border-radius:var(--op-radius-sm); clip:auto; font-family:var(--font-mono);
  font-size:0.75rem; letter-spacing:0.1em; text-transform:uppercase;
}
:focus-visible{ outline:3px solid var(--op-cobalt); outline-offset:2px; }

/* ==========================================================================
   3. Layout shell
   ========================================================================== */
.op-container{
  max-width:var(--op-container);
  margin:0 auto;
  padding:0 32px;
}
@media (max-width:600px){ .op-container{ padding:0 20px; } }

.site{ display:flex; flex-direction:column; min-height:100vh; }
.site-content{ flex:1 0 auto; padding:48px 0 72px; }

/* ==========================================================================
   4. Header
   ========================================================================== */
.site-header{
  background:var(--op-parchment);
  border-bottom:1px solid var(--op-stone);
  padding:22px 0 0;
  position:relative;
  z-index:20;
}
.site-header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-bottom:18px;
}
.site-branding{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.op-logo-mark svg{ width:44px; height:44px; flex-shrink:0; }
.custom-logo-link img{ height:44px; width:auto; }
.site-branding-text{ line-height:1.15; }
.site-title{
  font-family:var(--font-display);
  font-size:1.9rem;
  letter-spacing:0.05em;
  color:var(--op-navy);
  margin:0;
}
.site-title a{ color:var(--op-navy); text-decoration:none; }
.site-title .accent{ color:var(--op-plum); }
.site-description{
  font-family:var(--font-mono);
  font-size:0.62rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--op-forest);
  margin-top:2px;
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

/* nav */
.main-navigation{
  border-top:1px solid var(--op-stone);
  padding:6px 0;
}
.main-navigation ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:2px;
}
.main-navigation li{ position:relative; }
.main-navigation a{
  display:block;
  padding:12px 16px;
  font-family:var(--font-mono);
  font-size:0.68rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--op-ink);
  text-decoration:none;
  border-radius:var(--op-radius-sm);
  transition:background .15s ease, color .15s ease;
}
.main-navigation a:hover,
.main-navigation a:focus{ background:var(--op-linen); color:var(--op-plum); }
.main-navigation .current-menu-item > a{ color:var(--op-plum); }
.main-navigation ul ul{
  position:absolute; left:0; top:100%; min-width:200px;
  background:var(--op-linen); border:1px solid var(--op-stone);
  border-radius:var(--op-radius-sm); box-shadow:var(--op-shadow-lg);
  padding:6px; display:none; flex-direction:column; z-index:30;
}
.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul{ display:flex; }

.menu-toggle{
  display:none;
  font-family:var(--font-mono);
  font-size:0.68rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  background:var(--op-navy);
  color:var(--op-white);
  border:none;
  padding:10px 16px;
  border-radius:20px;
  cursor:pointer;
}
@media (max-width:720px){
  .menu-toggle{ display:inline-block; margin:10px 0; }
  .main-navigation{ display:none; }
  .main-navigation.is-open{ display:block; }
  .main-navigation ul{ flex-direction:column; }
  .main-navigation ul ul{ position:static; display:flex; box-shadow:none; }
}

/* ==========================================================================
   5. Buttons / pills / status
   ========================================================================== */
.op-btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono);
  font-size:0.68rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  padding:11px 20px;
  border-radius:24px;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.op-btn:hover{ transform:translateY(-1px); text-decoration:none; }
.op-btn-primary{ background:var(--op-navy); color:var(--op-white); }
.op-btn-primary:hover{ background:#132a4d; color:var(--op-white); box-shadow:var(--op-shadow-lg); }
.op-btn-signal{ background:var(--op-signal); color:#0D0F0E; }
.op-btn-signal:hover{ background:#00b300; color:#0D0F0E; box-shadow:var(--op-shadow-lg); }
.op-btn-outline{ background:transparent; color:var(--op-navy); border-color:var(--op-stone); }
.op-btn-outline:hover{ background:var(--op-linen); color:var(--op-plum); }

.status-dot{
  display:inline-block; width:8px; height:8px; border-radius:50%;
  background:var(--op-signal); box-shadow:0 0 5px var(--op-signal);
}
.op-eyebrow{
  font-family:var(--font-mono);
  font-size:0.62rem;
  letter-spacing:0.24em;
  text-transform:uppercase;
  color:var(--op-forest);
  opacity:.85;
  margin-bottom:14px;
  display:block;
}

/* ==========================================================================
   6. Hero (front page)
   ========================================================================== */
.op-hero{
  padding:56px 0 64px;
  border-bottom:1px solid var(--op-stone);
}
.op-hero-grid{
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:48px;
  align-items:center;
}
@media (max-width:860px){ .op-hero-grid{ grid-template-columns:1fr; } }
.op-hero h1{ margin-bottom:18px; }
.op-hero-lede{ font-size:1.05rem; color:var(--op-ink-soft); max-width:52ch; }
.op-hero-actions{ display:flex; gap:12px; margin-top:26px; flex-wrap:wrap; }

.op-runway{
  background:var(--op-navy);
  border-radius:var(--op-radius);
  padding:26px 24px;
  box-shadow:var(--op-shadow-lg);
}
.op-runway-label{
  font-family:var(--font-mono);
  font-size:0.6rem;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--op-rose);
  margin-bottom:16px;
}
.op-runway-step{
  display:flex; align-items:center; gap:12px;
  padding:10px 0;
  border-bottom:1px dashed rgba(242,245,243,0.15);
  color:var(--op-white);
  font-size:0.85rem;
}
.op-runway-step:last-child{ border-bottom:none; }
.op-runway-step .num{
  font-family:var(--font-mono); font-size:0.7rem; color:var(--op-rose);
  width:22px; flex-shrink:0;
}

/* ==========================================================================
   7. Course / card grid
   ========================================================================== */
.op-section-label{
  font-family:var(--font-mono);
  font-size:0.62rem;
  letter-spacing:0.25em;
  text-transform:uppercase;
  color:var(--op-forest);
  margin:52px 0 20px;
  opacity:.8;
}
.op-card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px,1fr));
  gap:18px;
}
.op-card{
  background:var(--op-linen);
  border:1px solid var(--op-stone);
  border-radius:var(--op-radius);
  overflow:hidden;
  box-shadow:var(--op-shadow);
  position:relative;
  transition:transform .18s ease, box-shadow .18s ease;
  display:flex; flex-direction:column;
}
.op-card::before{
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--op-plum);
}
.op-card:hover{ transform:translateY(-3px); box-shadow:var(--op-shadow-lg); }
.op-card-media{ aspect-ratio:16/10; background:var(--op-stone); overflow:hidden; }
.op-card-media img{ width:100%; height:100%; object-fit:cover; }
.op-card-body{ padding:18px 20px 20px; flex:1; display:flex; flex-direction:column; }
.op-card-label{
  font-family:var(--font-mono); font-size:0.58rem; letter-spacing:0.18em;
  text-transform:uppercase; color:var(--op-forest); opacity:.75; margin-bottom:8px;
}
.op-card-title{ font-size:1.15rem; margin-bottom:8px; }
.op-card-title a{ color:var(--op-navy); text-decoration:none; }
.op-card-title a:hover{ color:var(--op-plum); }
.op-card-excerpt{ font-size:0.85rem; color:var(--op-ink-soft); flex:1; margin-bottom:14px; }
.op-card-meta{
  font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.08em;
  color:var(--op-ink-soft); display:flex; justify-content:space-between; align-items:center;
  padding-top:12px; border-top:1px solid var(--op-stone);
}

/* ==========================================================================
   8. Content / single / page
   ========================================================================== */
.op-content-grid{
  display:grid;
  grid-template-columns:2.2fr 1fr;
  gap:44px;
  align-items:start;
}
@media (max-width:860px){ .op-content-grid{ grid-template-columns:1fr; } }

.op-entry-header{ margin-bottom:24px; }
.op-entry-meta{
  font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--op-forest); margin-bottom:12px;
}
.op-entry-meta a{ color:var(--op-forest); }
.op-entry-thumb{
  border-radius:var(--op-radius); overflow:hidden; margin-bottom:28px;
  border:1px solid var(--op-stone); box-shadow:var(--op-shadow);
}
.op-entry-content{ font-size:1rem; }
.op-entry-content h2, .op-entry-content h3{ margin-top:1.4em; }
.op-entry-content blockquote{
  margin:1.6em 0; padding:4px 0 4px 22px; border-left:3px solid var(--op-plum);
  color:var(--op-ink-soft); font-style:italic;
}
.op-entry-content pre{
  background:var(--op-navy); color:var(--op-white); padding:18px 20px;
  border-radius:var(--op-radius-sm); overflow-x:auto; font-family:var(--font-mono); font-size:0.8rem;
}
.op-entry-content code{
  background:var(--op-linen); padding:2px 6px; border-radius:4px;
  font-family:var(--font-mono); font-size:0.85em;
}
.op-entry-content table{ width:100%; border-collapse:collapse; margin:1.4em 0; }
.op-entry-content th, .op-entry-content td{
  border:1px solid var(--op-stone); padding:10px 14px; text-align:left;
}
.op-entry-content th{ background:var(--op-linen); font-family:var(--font-mono); font-size:0.75rem; letter-spacing:.05em; text-transform:uppercase; }
.op-entry-footer{
  margin-top:32px; padding-top:20px; border-top:1px solid var(--op-stone);
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
}
.op-tag{
  font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.08em;
  text-transform:uppercase; background:var(--op-linen); color:var(--op-forest);
  padding:5px 12px; border-radius:16px; border:1px solid var(--op-stone);
}

.op-pagination{ display:flex; gap:8px; margin-top:36px; flex-wrap:wrap; }
.op-pagination a, .op-pagination span{
  font-family:var(--font-mono); font-size:0.7rem;
  padding:8px 14px; border-radius:var(--op-radius-sm);
  border:1px solid var(--op-stone); color:var(--op-ink);
}
.op-pagination .current{ background:var(--op-navy); color:var(--op-white); border-color:var(--op-navy); }
.op-pagination a:hover{ background:var(--op-linen); text-decoration:none; }

/* ==========================================================================
   9. Sidebar / widgets
   ========================================================================== */
.widget{
  background:var(--op-linen); border:1px solid var(--op-stone);
  border-radius:var(--op-radius); padding:22px; margin-bottom:20px;
}
.widget-title{
  font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.2em;
  text-transform:uppercase; color:var(--op-forest); margin-bottom:14px;
}
.widget ul{ list-style:none; padding:0; margin:0; }
.widget li{ padding:7px 0; border-bottom:1px solid var(--op-stone); font-size:0.88rem; }
.widget li:last-child{ border-bottom:none; }
.widget a{ color:var(--op-ink); }
.widget a:hover{ color:var(--op-plum); }
.widget select, .widget input[type="search"], .widget input[type="text"]{
  width:100%; padding:9px 12px; border:1px solid var(--op-stone);
  border-radius:var(--op-radius-sm); background:var(--op-parchment); font-family:var(--font-body);
}

/* comments */
.comments-area{ margin-top:48px; }
.comment-list{ list-style:none; padding:0; margin:0; }
.comment-body{
  background:var(--op-linen); border:1px solid var(--op-stone);
  border-radius:var(--op-radius); padding:18px 20px; margin-bottom:16px;
}
.comment-author{ font-family:var(--font-mono); font-size:0.75rem; letter-spacing:.04em; color:var(--op-navy); }
.comment-metadata{ font-family:var(--font-mono); font-size:0.62rem; color:var(--op-forest); margin-bottom:8px; }
.comment-reply-link{ font-family:var(--font-mono); font-size:0.6rem; text-transform:uppercase; letter-spacing:.1em; }
.comment-form input, .comment-form textarea{
  width:100%; padding:11px 14px; border:1px solid var(--op-stone);
  border-radius:var(--op-radius-sm); background:var(--op-parchment);
  font-family:var(--font-body); margin-bottom:14px;
}
.comment-form label{ font-family:var(--font-mono); font-size:0.62rem; letter-spacing:.1em; text-transform:uppercase; color:var(--op-forest); display:block; margin-bottom:6px; }

/* ==========================================================================
   10. Tutor LMS light-touch compatibility
   ========================================================================== */
body.tutor .site-content,
body[class*="tutor-"] .site-content{ padding-top:32px; }
.tutor-wrap, .tutor-course-details-wrapper{ max-width:100%; }
.tutor-btn-primary{ background:var(--op-navy) !important; border-color:var(--op-navy) !important; }
.tutor-color-primary{ color:var(--op-plum) !important; }
.tutor-progress-bar .tutor-progress-value{ background:var(--op-signal) !important; }

/* ==========================================================================
   11. Footer
   ========================================================================== */
.site-footer{
  background:var(--op-navy);
  color:var(--op-white);
  padding:52px 0 28px;
  margin-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:36px;
  margin-bottom:36px;
}
@media (max-width:720px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-brand .site-title, .footer-brand .site-title a{ color:var(--op-white); }
.footer-slogan{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:.06em; color:#A8BFB9; line-height:2; margin-top:14px; }
.footer-slogan .cleared{ color:var(--op-signal); }
.footer-col-title{
  font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.2em;
  text-transform:uppercase; color:var(--op-rose); margin-bottom:14px;
}
.footer-widget-area ul{ list-style:none; margin:0; padding:0; }
.footer-widget-area li{ padding:6px 0; }
.footer-widget-area a{ color:#DDE3E0; }
.footer-widget-area a:hover{ color:var(--op-signal); }
.site-footer .widget-title{ background:none; border:none; padding:0; font-size:0.6rem; color:var(--op-rose); }
.site-footer .widget{ background:none; border:none; padding:0; margin-bottom:0; }
.footer-bottom{
  border-top:1px solid rgba(242,245,243,0.12);
  padding-top:20px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  font-family:var(--font-mono); font-size:0.62rem; letter-spacing:.06em; color:#8CA39B;
}
.footer-bottom a{ color:#8CA39B; }
.footer-bottom a:hover{ color:var(--op-signal); }

/* ==========================================================================
   12. Utility
   ========================================================================== */
.alignwide{ margin-left:calc(50% - 50vw + 16px); margin-right:calc(50% - 50vw + 16px); max-width:none; }
.alignfull{ margin-left:calc(50% - 50vw); margin-right:calc(50% - 50vw); max-width:none; }
.aligncenter{ margin-left:auto; margin-right:auto; display:block; }
.alignleft{ float:left; margin:0.4em 1.6em 1em 0; }
.alignright{ float:right; margin:0.4em 0 1em 1.6em; }
.wp-caption-text, figcaption{ font-family:var(--font-mono); font-size:0.7rem; color:var(--op-ink-soft); margin-top:6px; }
.no-results{ background:var(--op-linen); border:1px solid var(--op-stone); border-radius:var(--op-radius); padding:40px; text-align:center; }