/* Quanzix Corporate Design System */
:root {
  --color-bg: #FBFBFA;
  --color-surface: #FFFFFF;
  --color-text-primary: #1C242C;
  --color-text-secondary: #586370;
  --color-text-muted: #7A8694;
  --color-border: #E6E6E3;
  --color-border-subtle: #EFEFEA;
  --color-accent: #3A5B4D;
  --color-accent-hover: #294237;
  --color-accent-subtle: #EDF3F0;
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --max-width-content: 720px;
  --max-width-policy: 800px;
  --spacing-unit: 8px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-system);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -0.011em;
}

/* Header & Wordmark */
.site-header {
  width: 100%;
  padding: 32px 24px;
}

.header-container {
  max-width: var(--max-width-policy);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wordmark {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.brand-wordmark:hover {
  opacity: 0.75;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
}

/* Main Content & Page Containers */
main {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-content);
  margin: auto;
}

.container-document {
  width: 100%;
  max-width: var(--max-width-policy);
  margin: 0 auto;
}

/* Hero Section (Home) */
.hero-section {
  padding: 80px 0 100px;
  text-align: left;
}

.hero-entity {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: 24px;
}

.hero-description {
  font-size: clamp(1.125rem, 2.5vw, 1.3125rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 580px;
  margin-bottom: 40px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.hero-cta:hover {
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.15s ease;
}

.hero-cta:hover svg {
  transform: translateX(3px);
}

/* Contact Page */
.page-header {
  margin-bottom: 40px;
  padding-top: 24px;
}

.page-title {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
}

.contact-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 32px;
  margin-top: 24px;
}

.contact-detail {
  margin-bottom: 28px;
}

.contact-detail:last-child {
  margin-bottom: 0;
}

.detail-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.detail-value {
  font-size: 1.125rem;
  color: var(--color-text-primary);
}

.detail-value a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.detail-value a:hover {
  text-decoration: underline;
}

/* Document & Policy Pages */
.legal-banner {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
  padding: 6px 12px;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 16px;
}

.document-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.legal-content {
  font-size: 0.96875rem;
  line-height: 1.75;
  color: var(--color-text-primary);
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.legal-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: 28px;
  margin-bottom: 12px;
}

.legal-content p {
  margin-bottom: 16px;
  color: #2D3742;
}

.legal-content ul,
.legal-content ol {
  margin-top: 8px;
  margin-bottom: 20px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
  color: #2D3742;
}

.legal-content strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-content a:hover {
  color: var(--color-accent-hover);
}

.notice-box {
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-top: 1px solid var(--color-border-subtle);
  border-right: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 18px 22px;
  margin: 28px 0;
  border-radius: 0 4px 4px 0;
}

.notice-box p:last-child {
  margin-bottom: 0;
}

/* 404 Page */
.not-found-content {
  padding: 100px 0;
  text-align: center;
}

.not-found-code {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 16px;
  font-weight: 500;
}

.not-found-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.not-found-desc {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* Footer */
.site-footer {
  width: 100%;
  padding: 40px 24px;
  margin-top: 80px;
  border-top: 1px solid var(--color-border);
}

.footer-container {
  max-width: var(--max-width-policy);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 640px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  list-style: none;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--color-text-primary);
}

.copyright {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Focus and Accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}