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

:root {
  /* Design System: "Precision & Intelligence" */
  --color-primary: #1a1a1a;
  --color-accent: #00a3ff;
  --color-surface: #ffffff;
  --color-bg: #f4f7f9;
  --color-muted: #6b7280;
  --color-text: #4b5563;
  --color-border: #e5e7eb;

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-spacing: 48px;
  --radius: 12px;
  --radius-sm: 8px;

  /* Shadows */
  --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navigation */
nav.nav {
  display: block;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 0 24px;
  width: 100%;
}

.nav-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

a.nav-logo {
  text-decoration: none;
  color: #1a1a1a;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

ul.nav-links {
  display: flex;
  flex-direction: row;
  list-style: none;
  list-style-type: none;
  margin: 0;
  padding: 0;
  gap: 32px;
}

.nav-links li {
  display: inline-block;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  text-decoration: none;
  color: #6b7280;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links li a:hover {
  color: #1a1a1a;
}

/* Container */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Main */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding-bottom: var(--section-spacing);
}

.hero-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: 32px;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.tagline {
  font-size: 1.125rem;
  color: var(--color-muted);
}

/* Section Headers */
h2 {
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 24px;
}

/* Scout Line Divider */
.scout-line {
  width: 100%;
  max-width: 800px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-border) 10%,
    var(--color-accent) 30%,
    var(--color-accent) 35%,
    var(--color-border) 40%,
    var(--color-border) 60%,
    var(--color-accent) 65%,
    var(--color-accent) 70%,
    var(--color-border) 90%,
    transparent 100%
  );
  margin: var(--section-spacing) 0;
}

/* Apps Section */
.apps {
  width: 100%;
  max-width: 800px;
  text-align: center;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  justify-items: center;
}

/* App Card */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 350px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.card p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.card-link {
  display: inline-block;
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: #333;
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

/* About Section */
.about {
  width: 100%;
  max-width: 800px;
}

.about-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.about-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 24px;
  margin-bottom: 12px;
}

.about-content h3:first-child {
  margin-top: 0;
}

.about-content p {
  margin-bottom: 16px;
}

.about-content p:last-child {
  margin-bottom: 0;
}

.focus-list {
  list-style: none;
  margin: 16px 0;
}

.focus-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
}

.focus-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Contact Section */
.contact {
  width: 100%;
  max-width: 800px;
  text-align: center;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: left;
}

.contact-intro {
  margin-bottom: 20px;
}

.contact-email-munged {
  font-size: 1.125rem;
  padding: 16px 20px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

.contact-email-munged strong {
  font-family: var(--font-main);
  color: var(--color-primary);
}

/* Corporate Info */
.corporate-info {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.corporate-info h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.corporate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.corporate-table tr {
  border-bottom: 1px solid var(--color-border);
}

.corporate-table tr:last-child {
  border-bottom: none;
}

.corporate-table td {
  padding: 12px 0;
}

.corporate-table td:first-child {
  color: var(--color-muted);
  width: 140px;
}

.corporate-table td:last-child {
  color: var(--color-primary);
  font-weight: 500;
}

/* Footer */
footer {
  padding: 32px 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.875rem;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

/* Responsive */
@media (max-width: 640px) {
  :root {
    --section-spacing: 60px;
  }

  html {
    scroll-padding-top: 72px;
  }

  .nav-container {
    height: 56px;
  }

  .nav-logo {
    font-size: 1rem;
  }

  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 0.8125rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .logo {
    max-width: 140px;
  }

  .about-content,
  .contact-card {
    padding: 1.5rem;
  }

  .apps-grid {
    grid-template-columns: 1fr;
  }
}