/*
Theme Name: GMYB
Theme URI: https://gmyb.co.uk
Author: GMYB
Author URI: https://gmyb.co.uk
Description: Dark neon theme for GMYB.co.uk — black base, neon green accents, high-contrast B2B service site.
Version: 1.0.0
License: Private
Text Domain: gmyb
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --neon:          #c8ff00;
  --neon-dim:      rgba(200,255,0,0.10);
  --neon-border:   rgba(200,255,0,0.30);
  --black:         #0a0a0a;
  --surface:       #111111;
  --surface-2:     #181818;
  --surface-3:     #1f1f1f;
  --border:        #222222;
  --border-2:      #2a2a2a;
  --text:          #e8e8e8;
  --text-muted:    #888888;
  --text-dim:      #444444;
  --white:         #ffffff;

  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius:    8px;
  --radius-lg: 14px;
  --max-w:     800px;
  --max-w-wide:1160px;
  --trans:     0.18s ease;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--neon); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--white); }

/* GLOBAL TYPOGRAPHY */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.8rem, 6vw, 4.5rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-top: 3rem; margin-bottom: 1rem; }
h3 { font-size: 1.3rem; color: var(--neon); margin-top: 2rem; margin-bottom: 0.6rem; letter-spacing: 0.06em; }
p  { margin-bottom: 1.25rem; }
ul,ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
li { margin-bottom: 0.5rem; }
strong { color: var(--white); font-weight: 600; }
hr { border: none; border-top: 1px solid var(--border-2); margin: 2.5rem 0; }
code { font-family: var(--font-mono); background: var(--surface-2); border: 1px solid var(--border-2); padding: 2px 8px; border-radius: 4px; font-size: 0.85em; color: var(--neon); }

/* SITE HEADER */
#site-header {
  position: sticky; top: 0; z-index: 500;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-w-wide); margin: 0 auto; padding: 0 32px;
  height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-logo {
  font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.08em;
  color: var(--neon); text-decoration: none; text-transform: uppercase; line-height: 1;
  display: flex; flex-direction: column; gap: 2px; transition: opacity var(--trans);
}
.site-logo:hover { opacity: 0.8; color: var(--neon); }
.site-logo .tagline {
  font-family: var(--font-body); font-size: 0.58rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-muted); font-weight: 400;
}

/* Primary nav */
#primary-nav { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
#primary-nav > li { position: relative; }
#primary-nav > li > a {
  display: block; padding: 8px 14px; color: var(--text-muted); font-size: 0.8rem;
  font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; border-radius: var(--radius);
  transition: color var(--trans), background var(--trans);
}
#primary-nav > li > a:hover,
#primary-nav > li.current-menu-item > a,
#primary-nav > li.current-menu-ancestor > a { color: var(--neon); background: var(--neon-dim); }

/* Dropdown */
#primary-nav .sub-menu {
  display: none; position: absolute; top: calc(100% + 8px); left: 0; min-width: 210px;
  background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--radius-lg);
  padding: 8px; list-style: none; box-shadow: 0 24px 48px rgba(0,0,0,0.6); z-index: 600;
}
#primary-nav li:hover > .sub-menu,
#primary-nav li:focus-within > .sub-menu { display: block; }
#primary-nav .sub-menu li a {
  display: block; padding: 9px 14px; color: var(--text-muted); font-size: 0.8rem;
  letter-spacing: 0.06em; text-transform: uppercase; border-radius: var(--radius);
  transition: color var(--trans), background var(--trans);
}
#primary-nav .sub-menu li a:hover { color: var(--neon); background: var(--neon-dim); }

/* CTA nav button */
.nav-cta > a {
  background: var(--neon) !important; color: var(--black) !important; font-weight: 700 !important;
  padding: 9px 20px !important; border-radius: var(--radius) !important; letter-spacing: 0.08em;
  transition: opacity var(--trans) !important;
}
.nav-cta > a:hover { opacity: 0.85 !important; color: var(--black) !important; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--border-2); color: var(--text);
  padding: 8px 12px; border-radius: var(--radius); cursor: pointer; font-size: 1.2rem; line-height: 1;
  transition: border-color var(--trans), color var(--trans);
}
.nav-toggle:hover { border-color: var(--neon); color: var(--neon); }

/* PAGE LAYOUT */
.site-main { max-width: var(--max-w); margin: 0 auto; padding: 64px 32px 96px; }
.site-main--wide { max-width: var(--max-w-wide); }

/* PAGE HEADER BAND */
.page-header-band { background: var(--surface); border-bottom: 1px solid var(--border); padding: 56px 32px 48px; }
.page-header-band-inner { max-width: var(--max-w); margin: 0 auto; }
.breadcrumb {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  color: var(--text-dim); text-transform: uppercase; margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-dim); transition: color var(--trans); }
.breadcrumb a:hover { color: var(--neon); }
.breadcrumb .current { color: var(--neon); }
.page-header-band h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 0; }

/* ENTRY CONTENT */
.entry-content > h1:first-child { font-size: clamp(2.4rem, 5vw, 3.8rem); margin-bottom: 1.5rem; }
.entry-content > h1:first-child + p {
  font-size: 1.15rem; color: var(--text-muted); line-height: 1.7;
  border-left: 3px solid var(--neon); padding-left: 20px; margin-bottom: 1.5rem;
}
.entry-content h2 { position: relative; padding-top: 2.5rem; margin-top: 3rem; border-top: 1px solid var(--border-2); }
.entry-content h2::after {
  content: ''; display: block; width: 40px; height: 3px;
  background: var(--neon); border-radius: 2px; margin-top: 10px;
}
.entry-content h3 {
  font-family: var(--font-display); font-size: 1.15rem; color: var(--neon);
  letter-spacing: 0.08em; text-transform: uppercase; margin-top: 2.5rem; margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 10px;
}
.entry-content h3::before { content: '▸'; font-size: 0.9em; color: var(--neon); }

/* Lists */
.entry-content ul { list-style: none; padding-left: 0; margin-bottom: 1.5rem; }
.entry-content ul li {
  padding: 10px 14px 10px 44px; position: relative;
  border-bottom: 1px solid var(--border);
}
.entry-content ul li:last-child { border-bottom: none; }
.entry-content ul li::before {
  content: '→'; position: absolute; left: 14px;
  color: var(--neon); font-weight: 700; font-family: var(--font-mono);
}

/* Tables */
.entry-content table {
  width: 100%; border-collapse: collapse; margin: 2rem 0; font-size: 0.9rem;
  border: 1px solid var(--border-2); border-radius: var(--radius); overflow: hidden;
}
.entry-content th {
  background: var(--surface-2); color: var(--neon); font-family: var(--font-display);
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border-2); font-weight: 400;
}
.entry-content td { padding: 14px 18px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: top; }
.entry-content tr:last-child td { border-bottom: none; }
.entry-content tr:hover td { background: var(--surface); }

/* CTA block */
.entry-content .gmyb-cta {
  background: var(--surface-2); border: 1px solid var(--neon-border);
  border-radius: var(--radius-lg); padding: 36px 40px; margin-top: 3rem;
  position: relative; overflow: hidden;
}
.entry-content .gmyb-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top left, var(--neon-dim) 0%, transparent 60%);
  pointer-events: none;
}
.entry-content .gmyb-cta h2 {
  border-top: none; padding-top: 0; margin-top: 0; font-size: 2rem; color: var(--white);
}
.entry-content .gmyb-cta h2::after { display: none; }
.entry-content .gmyb-cta p { color: var(--text-muted); margin-bottom: 1.5rem; }
.entry-content .gmyb-cta a {
  display: inline-flex; align-items: center; gap: 10px; background: var(--neon); color: var(--black);
  font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px 28px; border-radius: var(--radius); font-weight: 400;
  transition: opacity var(--trans), transform var(--trans);
}
.entry-content .gmyb-cta a:hover { opacity: 0.85; transform: translateY(-2px); color: var(--black); }

/* CRITICAL — hide schema scripts from rendering on front end */
.entry-content script { display: none !important; }

/* HOMEPAGE */
.home-hero {
  text-align: center; padding: 96px 32px 72px;
  max-width: var(--max-w-wide); margin: 0 auto; position: relative;
}
.home-hero::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, var(--neon-dim) 0%, transparent 70%);
  pointer-events: none;
}
.home-hero h1 { font-size: clamp(3.5rem, 9vw, 7rem); margin-bottom: 1.25rem; position: relative; }
.home-hero h1 em { font-style: normal; color: var(--neon); }
.home-hero .hero-sub {
  font-size: 1.15rem; color: var(--text-muted); max-width: 520px;
  margin: 0 auto 2.5rem; line-height: 1.65;
}
.home-hero .hero-cta {
  display: inline-flex; align-items: center; gap: 10px; background: var(--neon); color: var(--black);
  font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 16px 36px; border-radius: var(--radius); font-weight: 400; text-decoration: none;
  transition: opacity var(--trans), transform var(--trans);
}
.home-hero .hero-cta:hover { opacity: 0.85; transform: translateY(-2px); color: var(--black); }

/* Service cards */
.service-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px; max-width: var(--max-w-wide); margin: 0 auto; padding: 0 32px 96px;
}
.service-card {
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--radius-lg); padding: 28px 28px 24px; text-decoration: none; display: block;
  transition: border-color var(--trans), transform var(--trans), background var(--trans);
}
.service-card:hover { border-color: var(--neon); transform: translateY(-4px); background: var(--surface-2); }
.service-card:hover .card-arrow { color: var(--neon); }
.card-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--neon); margin-bottom: 12px; }
.service-card h3 { font-size: 1.2rem; color: var(--white); margin: 0 0 8px; letter-spacing: 0.04em; }
.service-card h3::before { display: none; }
.service-card p { font-size: 0.875rem; color: var(--text-muted); margin: 0 0 16px; line-height: 1.55; }
.card-arrow { font-size: 0.875rem; color: var(--text-dim); transition: color var(--trans); display: inline-block; }

/* FOOTER */
#site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 56px 32px 40px; }
.footer-inner { max-width: var(--max-w-wide); margin: 0 auto; }
.footer-top {
  display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap;
  gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border); margin-bottom: 28px;
}
.footer-brand p { font-size: 0.875rem; color: var(--text-muted); margin-top: 10px; max-width: 260px; line-height: 1.6; }
.footer-nav-col h4 {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--text-dim); text-transform: uppercase; margin-bottom: 12px; font-weight: 400;
}
.footer-nav-list { list-style: none; padding: 0; margin: 0; }
.footer-nav-list li { margin-bottom: 6px; }
.footer-nav-list a { font-size: 0.875rem; color: var(--text-muted); transition: color var(--trans); }
.footer-nav-list a:hover { color: var(--neon); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-copy { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.06em; }
.footer-social { display: flex; gap: 16px; list-style: none; padding: 0; margin: 0; }
.footer-social a {
  font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.06em; text-transform: uppercase;
  font-family: var(--font-mono); transition: color var(--trans);
}
.footer-social a:hover { color: var(--neon); }

/* MOBILE */
@media (max-width: 768px) {
  .header-inner { padding: 0 20px; }
  #primary-nav {
    display: none; flex-direction: column;
    position: absolute; top: 65px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 12px 16px 20px; z-index: 400; gap: 0;
  }
  #primary-nav.open { display: flex; }
  #primary-nav > li > a { padding: 12px 14px; font-size: 0.9rem; }
  #primary-nav .sub-menu { position: static; display: none !important; box-shadow: none; border: none; background: var(--surface-2); padding: 4px 0 4px 16px; border-radius: 0; }
  #primary-nav li.open > .sub-menu { display: block !important; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .site-main { padding: 40px 20px 72px; }
  .page-header-band { padding: 36px 20px 32px; }
  .home-hero { padding: 64px 20px 48px; }
  .service-grid { padding: 0 20px 64px; grid-template-columns: 1fr; }
  #site-footer { padding: 40px 20px 32px; }
  .footer-top { flex-direction: column; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .entry-content .gmyb-cta { padding: 28px 24px; }
}

/* ACCESSIBILITY */
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -100%; left: 0; background: var(--neon); color: var(--black); padding: 10px 18px; z-index: 9999; font-size: 0.875rem; border-radius: 0 0 var(--radius) 0; font-weight: 700; }
.skip-link:focus { top: 0; }