/* SkyX Security — IBM Carbon adapted stylesheet */
/* Ref: SkyX-SEC-PAGE-001 | Scoped to .security-page only */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

.security-page {
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  color: #f0f6fc;
  background: #0f1419;

  /* ── Colour tokens — IBM Carbon / SkyX Navy ── */
  --color-bg-primary:    #0f1419;
  --color-bg-secondary:  #161b22;
  --color-bg-tertiary:   #1c2128;
  --color-border:        #30363d;
  --color-blue-primary:  #1F3864;
  --color-blue-accent:   #2E75B6;
  --color-blue-light:    #4A90D9;
  --color-blue-subtle:   #0d2137;
  --color-green:         #24a148;
  --color-amber:         #f1c21b;
  --color-red:           #da1e28;
  --color-white:         #ffffff;
  --color-text-primary:  #f0f6fc;
  --color-text-secondary:#8b949e;
  --color-text-inverse:  #0f1419;

  /* ── Typography ── */
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.5rem;
  --text-5xl:  3.5rem;
  --weight-light:    300;
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;
  --leading-tight:   1.2;
  --leading-snug:    1.35;
  --leading-normal:  1.5;
  --leading-loose:   1.75;

  /* ── Spacing (8px base — Carbon standard) ── */
  --space-1:  0.5rem;
  --space-2:  1rem;
  --space-3:  1.5rem;
  --space-4:  2rem;
  --space-5:  2.5rem;
  --space-6:  3rem;
  --space-8:  4rem;
  --space-10: 5rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* ── Border radius — Carbon: restrained, almost sharp ── */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
}

.security-page * { box-sizing: border-box; }

/* ── Layout ── */
.sec-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-4); }
.sec-section { padding: var(--space-12) 0; }
.sec-section--light { background: var(--color-bg-secondary); }
.sec-divider { height: 1px; background: var(--color-border); margin: 0; }

/* ── Typography ── */
.sec-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: var(--space-3);
}
.sec-section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-blue-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: var(--space-2);
}
.sec-h1 {
  font-family: var(--font-sans);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-4);
}
.sec-h2 {
  font-family: var(--font-sans);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
}
.sec-h3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
}
.sec-lead {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  max-width: 600px;
  margin: 0 0 var(--space-5);
}
.sec-body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  margin: 0 0 var(--space-3);
}
.sec-text-secondary { color: var(--color-text-secondary); }
.sec-text-xs { font-size: var(--text-xs); }
.sec-text-center { text-align: center; }

/* ── Buttons (Carbon pattern) ── */
.sec-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
  letter-spacing: 0.02em;
  border: none;
}
.sec-btn-primary { background: var(--color-blue-accent); color: var(--color-white); }
.sec-btn-primary:hover { background: var(--color-blue-light); color: var(--color-white); }
.sec-btn-ghost {
  background: transparent;
  color: var(--color-blue-accent);
  border: 1px solid var(--color-blue-accent);
}
.sec-btn-ghost:hover { background: var(--color-blue-accent); color: var(--color-white); }
.sec-btn-group { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ── Status badges (Carbon semantic) ── */
.sec-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}
.sec-badge-green { background: rgba(36,161,72,0.15);  color: #24a148; }
.sec-badge-amber { background: rgba(241,194,27,0.15); color: #f1c21b; }
.sec-badge-blue  { background: rgba(46,117,182,0.15); color: var(--color-blue-accent); }

/* ── Cards (Carbon data card pattern) ── */
.sec-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color 200ms ease;
}
.sec-card:hover { border-color: var(--color-blue-accent); }
.sec-card-accent { border-left: 3px solid var(--color-blue-accent); }

/* ── Stat / metric display (Carbon data pattern) ── */
.sec-stat-number {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-blue-accent);
  font-variant-numeric: tabular-nums;
  line-height: var(--leading-tight);
  font-family: var(--font-sans);
}
.sec-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.375rem;
}

/* ── Icon container ── */
.sec-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(46,117,182,0.12);
  margin-bottom: var(--space-3);
  color: var(--color-blue-accent);
  flex-shrink: 0;
}

/* ── HERO ── */
.sec-hero {
  background: var(--color-blue-subtle);
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 160px 0 80px;
}
.sec-hero-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-12);
  align-items: center;
}
.sec-hero-panel {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.sec-hero-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem var(--space-2);
  border-radius: var(--radius-md);
  background: var(--color-bg-tertiary);
}
.sec-hero-panel-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}
.sec-hero-panel-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 var(--space-2) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-1);
}

/* ── PROBLEM ── */
.sec-problem { text-align: center; }
.sec-problem .sec-h2 { max-width: 760px; margin-left: auto; margin-right: auto; margin-bottom: var(--space-4); }
.sec-problem-body { max-width: 800px; margin: 0 auto; }
.sec-problem-body p { margin-bottom: var(--space-3); }

/* ── WHAT IT IS ── */
.sec-what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.sec-principles { display: flex; flex-direction: column; gap: var(--space-3); }

/* ── SIX MODULES ── */
.sec-modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.sec-module-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-blue-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color 200ms ease;
}
.sec-module-card:hover { border-color: var(--color-blue-light); border-left-color: var(--color-blue-light); }
.sec-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  line-height: var(--leading-normal);
}

/* ── WHO IT'S FOR ── */
.sec-audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.sec-audience-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.sec-audience-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}
.sec-audience-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue-accent);
  margin-top: 0.5em;
  flex-shrink: 0;
}

/* ── TRUST STATS ── */
.sec-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  text-align: center;
}
.sec-trust-body { max-width: 760px; margin: 0 auto; text-align: center; }

/* ── CTA ── */
.sec-cta-section {
  background: linear-gradient(135deg, var(--color-blue-subtle) 0%, #0a1929 100%);
  border-top: 1px solid var(--color-blue-primary);
  border-bottom: 1px solid var(--color-blue-primary);
  padding: var(--space-12) 0;
  text-align: center;
}
.sec-cta-section .sec-h2 { max-width: 680px; margin-left: auto; margin-right: auto; margin-bottom: var(--space-3); }
.sec-cta-section .sec-lead { margin-left: auto; margin-right: auto; margin-bottom: var(--space-5); }

/* ── FOOTER NOTE ── */
.sec-footer-note { padding: var(--space-6) 0; background: var(--color-bg-primary); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .sec-hero-inner { grid-template-columns: 1fr; }
  .sec-hero-panel { display: none; }
  .sec-what-grid { grid-template-columns: 1fr; }
  .sec-audience-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sec-h1 { font-size: 2.25rem; }
  .sec-h2 { font-size: 1.75rem; }
  .sec-modules-grid { grid-template-columns: 1fr; }
  .sec-stats-row { grid-template-columns: 1fr; gap: var(--space-6); }
  .sec-section { padding: var(--space-8) 0; }
  .sec-hero { padding: 140px 0 60px; min-height: auto; }
}