/* ===================================
   Superior Infosec Static Styles
   =================================== */

/* CSS Custom Properties (Design System) */
:root {
  --background: hsl(0, 0%, 98%);
  --foreground: hsl(215, 25%, 15%);
  
  --card: hsl(0, 0%, 100%);
  --card-foreground: hsl(215, 25%, 15%);
  
  --primary: hsl(215, 85%, 20%);
  --primary-foreground: hsl(0, 0%, 100%);
  
  --secondary: hsl(180, 70%, 50%);
  
  --muted: hsl(215, 15%, 92%);
  --muted-foreground: hsl(215, 15%, 45%);
  
  --accent: hsl(180, 70%, 50%);
  --accent-foreground: hsl(0, 0%, 100%);
  
  --border: hsl(215, 15%, 88%);
  
  --gradient-hero-start: hsl(215, 85%, 20%);
  --gradient-hero-end: hsl(215, 85%, 30%);
  
  --shadow-elegant: 0 10px 30px -10px hsla(215, 85%, 20%, 0.2);
  --shadow-card: 0 4px 20px -4px hsla(215, 85%, 20%, 0.1);
  --shadow-hover: 0 20px 40px -15px hsla(215, 85%, 20%, 0.25);
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 0.75rem;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-color: var(--border);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Layout Utilities */
.section-container {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-light {
  background-color: var(--background);
}

.section-muted {
  background-color: var(--muted);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 3rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--muted-foreground);
  margin-bottom: 3rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-image: url('hero-bg.jpg');
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    hsla(215, 85%, 20%, 0.95), 
    hsla(215, 85%, 20%, 0.90), 
    hsla(215, 85%, 20%, 0.85));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 5rem 0;
}

.hero-inner {
  max-width: 56rem;
}

.hero-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
}

.hero-title {
  font-size: 3rem;
  color: var(--primary-foreground);
}

.hero-subtitle {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  color: var(--primary-foreground);
  font-weight: 300;
}

.hero-text {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  color: hsla(0, 0%, 100%, 0.9);
  max-width: 48rem;
  line-height: 1.5;
}

/* Buttons */
.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  background-color: var(--accent);
  color: var(--accent-foreground);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px -5px hsla(180, 70%, 50%, 0.3);
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
}

.btn-hero:hover {
  background-color: hsl(180, 70%, 45%);
  box-shadow: 0 20px 35px -5px hsla(180, 70%, 50%, 0.4);
  transform: translateY(-2px);
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 80rem;
  margin: 0 auto;
}

.cards-grid-three {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 72rem;
  margin: 0 auto;
}

.card {
  background-color: var(--card);
  color: var(--card-foreground);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.card-hover:hover {
  box-shadow: var(--shadow-elegant);
  transform: translateY(-4px);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary);
}

.card-heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--muted-foreground);
  line-height: 1.7;
}

.icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.5rem;
  background-color: hsla(215, 85%, 20%, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.icon {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

/* Bio Section */
.bio-header {
  float: right;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.headshot {
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 4px solid hsla(215, 85%, 20%, 0.2);
}

/* Contact Section */
.contact-card {
  max-width: 42rem;
  margin: 0 auto;
  background-color: var(--card);
  padding: 3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.contact-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-link {
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition-smooth);
}

.contact-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Footer */
.footer {
  padding: 2.5rem 0;
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.footer-name {
  font-weight: 600;
  font-size: 1.125rem;
}

.footer-copyright {
  font-size: 0.875rem;
  color: hsla(0, 0%, 100%, 0.8);
}

/* Responsive Design */
@media (min-width: 768px) {
  .section-container {
    padding: 0 3rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cards-grid-three {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-title {
    font-size: 3.75rem;
  }
  
  .hero-subtitle {
    font-size: 2.5rem;
  }
  
  .footer-content {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 4.5rem;
  }
  
  .hero-subtitle {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
}