/* ============================================================
   Sentinel AI Advisory — AI GRC Advisory Firm
   Protect. Govern. Scale AI.
   ============================================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #0a1628;
  --color-primary-light: #132240;
  --color-secondary: #1a3a5c;
  --color-accent: #c9a84c;
  --color-accent-light: #dfc06a;
  --color-dark: #060e1a;
  --color-text: #1a2332;
  --color-text-light: #4a5568;
  --color-muted: #8899aa;
  --color-border: #e2e8f0;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fb;
  --color-bg-dark: #060e1a;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;
  --spacing-3xl: 8rem;
  --max-width: 1200px;
  --border-radius: 4px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
  --transition: 0.3s ease;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.7;
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section { padding: var(--spacing-3xl) 0; }
.section-alt { background-color: var(--color-bg-alt); }
.section-dark { background-color: var(--color-bg-dark); color: #c8d0d8; }
.section-dark h2, .section-dark h3 { color: #ffffff; }

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.25;
}

.section-dark .section-title { color: #ffffff; }

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  line-height: 1.4;
  text-transform: uppercase;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-outline-light {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
  background-color: rgba(255,255,255,0.08);
  border-color: #ffffff;
  transform: translateY(-1px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.logo-tagline {
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-top: -1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.25rem 0;
  letter-spacing: 0.3px;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.nav a:hover::after { width: 100%; }
.nav a:hover { color: var(--color-primary); }

.nav .btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
}

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: var(--spacing-sm); }
.mobile-toggle span {
  display: block; width: 24px; height: 1.5px; background-color: var(--color-primary); margin: 6px 0; transition: var(--transition); border-radius: 1px;
}

/* Hero */
.hero {
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-dark) 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
}

.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background-color: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 2px;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero h1 span { color: var(--color-accent); }

.hero p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--spacing-xl);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-stats {
  padding: var(--spacing-xl);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 2px;
}

/* Service Cards */
.service-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: var(--spacing-xl);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.stat-item { text-align: center; }

.stat-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
}

/* Page Header */
.page-header {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
}

.cta-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-dark);
  color: #8899aa;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
  color: #ffffff;
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  font-size: 0.8125rem;
  line-height: 1.7;
  max-width: 320px;
  color: #8899aa;
}

.footer-column h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: var(--spacing-lg);
}

.footer-column a {
  display: block;
  font-size: 0.8125rem;
  color: #8899aa;
  padding: 0.25rem 0;
}

.footer-column a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: #5a6a7a;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
  .hero h1 { font-size: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.75rem; }
  .page-header h1 { font-size: 1.75rem; }
  .cta-section h2 { font-size: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .mobile-toggle { display: block; }
  .section { padding: var(--spacing-2xl) 0; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}
/* --- Form status states --- */
.form-status { margin-bottom: 1rem; }
.form-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.5;
}
/* --- "Coming soon" badge for Insights cards --- */
.blog-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #0a1628;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}