/*
  ============================================================
  THE SECURITY NEXUS — Global Design System
  Version 2.0 | March 2026
  Compatible with: Any plain HTML page or RapidWeaver
  Classic 9 (Page Inspector > CSS > paste entire file)
  ============================================================
*/

/* ── GOOGLE FONTS ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Source+Sans+Pro:ital,wght@0,400;0,600;1,400&family=Merriweather:ital@1&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── TOKENS ───────────────────────────────────────────────── */
:root {
  --bg-primary:     #0a0f1e;
  --bg-secondary:   #141b2d;
  --bg-card:        #101727;
  --accent-blue:    #1e90ff;
  --accent-steel:   #8a9bb5;
  --text-primary:   #e8eaf0;
  --text-secondary: #a0aabf;
  --amber:          #f5a623;
  --border:         #2a3550;
  --border-light:   #1e2d47;

  --font-heading:   'Rajdhani', 'Arial Black', sans-serif;
  --font-body:      'Source Sans Pro', Georgia, sans-serif;
  --font-mono:      'JetBrains Mono', 'Courier New', monospace;
  --font-quote:     'Merriweather', Georgia, serif;

  --radius:         4px;
  --max-w:          1080px;
  --nav-h:          64px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-blue); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .8; }

/* ── NAVIGATION ───────────────────────────────────────────── */
.tsn-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}
.tsn-nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tsn-nav__brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
}
.tsn-nav__brand span { color: var(--accent-blue); }
.tsn-nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.tsn-nav__links a {
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .2s;
}
.tsn-nav__links a:hover,
.tsn-nav__links a.active { color: var(--accent-blue); }

/* Mobile nav toggle */
.tsn-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.tsn-nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all .3s;
}

/* ── HERO ─────────────────────────────────────────────────── */
.tsn-hero {
  background: linear-gradient(160deg, #0a0f1e 55%, #0c1832 100%);
  border-bottom: 1px solid var(--border);
  padding: 80px 32px 64px;
}
.tsn-hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.tsn-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.tsn-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 20px;
  max-width: 780px;
}
.tsn-hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.tsn-hero__cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── BUTTONS ──────────────────────────────────────────────── */
.tsn-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 11px 24px;
  border-radius: var(--radius);
  transition: all .2s;
  text-decoration: none;
  cursor: pointer;
  border: none;
}
.tsn-btn--primary {
  background: var(--accent-blue);
  color: #fff;
}
.tsn-btn--primary:hover { background: #1278d4; opacity: 1; }
.tsn-btn--outline {
  background: transparent;
  border: 2px solid var(--accent-blue);
  color: var(--accent-blue);
}
.tsn-btn--outline:hover { background: var(--accent-blue); color: #fff; opacity: 1; }
.tsn-btn--amber {
  background: var(--amber);
  color: #0a0f1e;
}
.tsn-btn--amber:hover { opacity: .88; }

/* ── SECTION WRAPPER ──────────────────────────────────────── */
.tsn-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 32px;
}
.tsn-section--alt { background-color: var(--bg-secondary); }

.tsn-section__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 10px;
}
.tsn-section__heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}
.tsn-section__intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: 40px;
  line-height: 1.75;
}

/* ── CARDS ────────────────────────────────────────────────── */
.tsn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.tsn-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, transform .2s;
}
.tsn-card:hover { border-color: var(--accent-blue); transform: translateY(-2px); }
.tsn-card__icon {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 14px;
}
.tsn-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.tsn-card__body {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}
.tsn-card__link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

/* ── BLOG ENTRY (RapidWeaver blog page) ──────────────────── */
.tsn-blog-entry {
  border-bottom: 1px solid var(--border);
  padding: 36px 0;
}
.tsn-blog-entry:first-child { padding-top: 0; }
.tsn-blog-entry__date {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--accent-steel);
  margin-bottom: 8px;
}
.tsn-blog-entry__title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.tsn-blog-entry__title a {
  color: inherit;
  text-decoration: none;
  transition: color .2s;
}
.tsn-blog-entry__title a:hover { color: var(--accent-blue); }
.tsn-blog-entry__body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 14px;
}
.tsn-blog-entry__read-more {
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

/* ── SIDEBAR ──────────────────────────────────────────────── */
.tsn-sidebar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.tsn-sidebar-card h3 {
  font-family: var(--font-heading);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent-blue);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.tsn-sidebar-card a {
  display: block;
  font-size: .9rem;
  color: var(--text-secondary);
  padding: 5px 0;
  border-bottom: 1px solid var(--border-light);
  transition: color .2s;
}
.tsn-sidebar-card a:last-child { border-bottom: none; }
.tsn-sidebar-card a:hover { color: var(--accent-blue); }

/* ── SERVICE BLOCK (consulting page) ─────────────────────── */
.tsn-service {
  border-left: 3px solid var(--accent-blue);
  background-color: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 32px;
  margin-bottom: 20px;
}
.tsn-service h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.tsn-service p {
  font-size: .97rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ── BIO PAGE ─────────────────────────────────────────────── */
.tsn-bio-profile {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}
.tsn-bio-name {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.tsn-bio-title {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.tsn-bio-section h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--amber);
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.tsn-bio-section p {
  font-size: .98rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 14px;
}

/* ── TAG PILLS ────────────────────────────────────────────── */
.tsn-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 2px;
  background: rgba(30,144,255,.1);
  border: 1px solid rgba(30,144,255,.3);
  color: var(--accent-blue);
  margin: 2px 4px 2px 0;
}
.tsn-tag--amber {
  background: rgba(245,166,35,.1);
  border-color: rgba(245,166,35,.3);
  color: var(--amber);
}

/* ── ALERT BAR ────────────────────────────────────────────── */
.tsn-alert {
  background: rgba(245,166,35,.08);
  border: 1px solid rgba(245,166,35,.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.tsn-alert__icon {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--amber);
  white-space: nowrap;
  padding-top: 2px;
}
.tsn-alert__text {
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── PULL QUOTE ───────────────────────────────────────────── */
.tsn-pullquote {
  font-family: var(--font-quote);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-secondary);
  border-left: 3px solid var(--amber);
  padding: 16px 24px;
  background-color: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 32px 0;
}

/* ── STAT ROW ─────────────────────────────────────────────── */
.tsn-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.tsn-stat__number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1;
  margin-bottom: 4px;
}
.tsn-stat__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-steel);
}

/* ── DIVIDER ──────────────────────────────────────────────── */
.tsn-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), transparent);
  margin: 36px 0;
}

/* ── FOOTER ───────────────────────────────────────────────── */
.tsn-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 32px 32px;
}
.tsn-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.tsn-footer__brand {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.tsn-footer__brand span { color: var(--accent-blue); }
.tsn-footer__tagline {
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 280px;
}
.tsn-footer__col-heading {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-steel);
  margin-bottom: 14px;
}
.tsn-footer__col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tsn-footer__col-links a {
  font-size: .9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .2s;
}
.tsn-footer__col-links a:hover { color: var(--accent-blue); }
.tsn-footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.tsn-footer__copy {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--accent-steel);
  letter-spacing: .06em;
}
.tsn-footer__marking {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: rgba(138,155,181,.5);
}

/* ── PODCAST EMBED ────────────────────────────────────────── */
.tsn-podcast-wrap {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  overflow: hidden;
}
.tsn-podcast-wrap iframe {
  width: 100%;
  border: none;
  border-radius: var(--radius);
  display: block;
}

/* ── UTILITIES ────────────────────────────────────────────── */
.tsn-text-mono { font-family: var(--font-mono); }
.tsn-text-blue { color: var(--accent-blue); }
.tsn-text-amber { color: var(--amber); }
.tsn-text-muted { color: var(--text-secondary); }
.tsn-mt-0 { margin-top: 0 !important; }
.tsn-mb-sm { margin-bottom: 12px; }
.tsn-mb-md { margin-bottom: 24px; }
.tsn-mb-lg { margin-bottom: 48px; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .tsn-nav__links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--bg-secondary); border-bottom: 1px solid var(--border); padding: 16px 32px; gap: 14px; }
  .tsn-nav__links.open { display: flex; }
  .tsn-nav__toggle { display: flex; }
  .tsn-nav { position: relative; }

  .tsn-hero { padding: 48px 20px 40px; }
  .tsn-section { padding: 40px 20px; }
  .tsn-footer__inner { grid-template-columns: 1fr 1fr; }
  .tsn-bio-profile { grid-template-columns: 1fr; }
  .tsn-stats { gap: 20px; }
}
@media (max-width: 500px) {
  .tsn-footer__inner { grid-template-columns: 1fr; }
  .tsn-footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ── RAPIDWEAVER BLOG OVERRIDES ───────────────────────────── */
/* Paste these with the above CSS into RW Page Inspector > CSS
   They override the Artful theme defaults on blog.html       */
body { background-color: var(--bg-primary) !important; color: var(--text-primary) !important; font-family: var(--font-body) !important; }
#container, .page-wrapper, .container { background: transparent !important; max-width: var(--max-w) !important; }
.navbar, nav.navbar { background-color: var(--bg-secondary) !important; border-bottom: 1px solid var(--border) !important; }
.navbar-brand, .navbar-title { font-family: var(--font-heading) !important; color: var(--text-primary) !important; }
.hero { background: linear-gradient(160deg, #0a0f1e 55%, #0c1832 100%) !important; border-bottom: 1px solid var(--border) !important; }
.hero-title, h1.hero-title { font-family: var(--font-heading) !important; font-size: 2.2rem !important; color: var(--text-primary) !important; }
.hero-slogan, .lead.hero-slogan { color: var(--text-secondary) !important; }
.blog-entry { background: transparent !important; border-bottom: 1px solid var(--border) !important; padding: 36px 0 !important; border-radius: 0 !important; }
h1.blog-entry-title, .blog-entry-title { font-family: var(--font-heading) !important; font-size: 1.45rem !important; font-weight: 700 !important; color: var(--text-primary) !important; }
.blog-entry-title a { color: var(--text-primary) !important; }
.blog-entry-title a:hover { color: var(--accent-blue) !important; }
.blog-entry-date { font-family: var(--font-mono) !important; font-size: .72rem !important; letter-spacing: .1em !important; color: var(--accent-steel) !important; }
.blog-entry-body { color: var(--text-secondary) !important; font-size: 1rem !important; line-height: 1.75 !important; }
.blog-read-more a { font-family: var(--font-heading) !important; font-size: .8rem !important; font-weight: 700 !important; letter-spacing: .08em !important; text-transform: uppercase !important; color: var(--accent-blue) !important; }
.sidebar { background: transparent !important; }
.sidebar a { color: var(--text-secondary) !important; font-size: .9rem !important; display: block !important; padding: 5px 0 !important; border-bottom: 1px solid var(--border-light) !important; }
.sidebar a:hover { color: var(--accent-blue) !important; }
#blog-archives a, .blog-archive-link-enabled { color: var(--text-secondary) !important; font-size: .88rem !important; display: block !important; padding: 4px 0 !important; }
#blog-archives a:hover { color: var(--accent-blue) !important; }
#blog-rss-feeds a { color: var(--accent-blue) !important; font-family: var(--font-mono) !important; font-size: .78rem !important; }
.footer, div.footer { background-color: var(--bg-secondary) !important; border-top: 1px solid var(--border) !important; padding: 28px 32px !important; }
.footer-content { font-family: var(--font-mono) !important; font-size: .72rem !important; color: var(--accent-steel) !important; }
.footer-content a { color: var(--accent-blue) !important; }
hr.my-5 { border-color: var(--border) !important; }