/* Doh Ecosystem Global Theme (Apple Glass / Light Mode) */

:root {
  --doh-blue: #00A0DE;
  --bg-color: #fcfcfc;
  --surface-color: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #a1a1a6;
  --border-color: rgba(0, 0, 0, 0.08);
  --headband-bg: #f5f5f7;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Global Headband */
.global-headband {
  background: var(--headband-bg);
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 8px 20px;
  position: sticky;
  top: 0;
  z-index: 1001;
}

.global-headband a {
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.global-headband a:hover {
  color: var(--text-primary);
}

.global-headband a.active {
  color: var(--doh-blue);
  font-weight: 600;
}

/* Local Navbar */
.local-nav {
  position: sticky;
  top: 36px;
  /* Below the global headband */
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-logo-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.logo-title {
  font-size: 24px;
  font-weight: 800;
  color: #0A1F44;
  /* matching enterprise navy */
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.logo-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.nav-links a:hover {
  opacity: 1;
}

.btn-primary {
  background: var(--doh-blue);
  color: white;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.2s, background 0.2s;
  display: inline-block;
}

.btn-primary:hover {
  transform: scale(1.02);
  background: #008cc2;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
  display: inline-block;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 100px 20px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 24px;
  color: #000a15;
  /* Matching enterprise dark text */
}

.hero p {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Three Pillars Section */
.pillars-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.pillar-card {
  background: var(--surface-color);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: left;
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass);
  border-color: rgba(0, 160, 222, 0.3);
}

.pillar-icon {
  width: 72px;
  height: 72px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.pillar-icon svg {
  width: 24px;
  height: 24px;
}

.pillar-card h3 {
  font-size: 24px;
  margin-bottom: 8px;
  font-weight: 600;
}

.pillar-tagline {
  color: var(--doh-blue);
  font-weight: 500;
  margin-bottom: 20px;
  font-size: 14px;
}

.pillar-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pillar-list li {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pillar-list li::before {
  content: '✓';
  color: var(--doh-blue);
  font-weight: bold;
}

.pillar-link {
  color: var(--doh-blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pillar-link:hover {
  text-decoration: underline;
}

/* Simple Footer */
footer {
  background: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: 60px 40px;
  margin-top: 80px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-disclaimer {
  color: var(--text-tertiary);
  font-size: 13px;
  margin-top: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}