/* Shared site styles — Design System v2.1-Grond */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Backgrounds */
  --background: #F7F8FA;
  --background-card: #FFFFFF;
  --surface: #F0F2F5;

  /* Borders */
  --border: #E5E7EB;
  --border-strong: #D1D5DB;

  /* Text */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-placeholder: #9CA3AF;

  /* Brand / Primary */
  --primary: #3B82F6;
  --primary-hover: #2563EB;
  --primary-light: #EFF6FF;

  /* Semantic */
  --success: #10B981;
  --success-bg: #ECFDF5;
  --danger: #EF4444;
  --warning: #F59E0B;

  /* Font */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing — 8px grid */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 14px;
  --radius-pill: 9999px;

  /* Elevation — cards have NO shadow */
  --elevation-0: none;
  --elevation-1: 0 1px 2px rgba(0, 0, 0, 0.05);
  --elevation-2: 0 2px 8px rgba(0, 0, 0, 0.08);
  --elevation-3: 0 4px 12px rgba(0, 0, 0, 0.10);
  --elevation-modal: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Animation */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

.section {
  padding: var(--space-16) 0;
}

.section-alt {
  background: var(--surface);
}

.max-700 {
  max-width: 700px;
}

.max-600 {
  max-width: 600px;
}

.centered-block {
  margin: 0 auto;
}

.centered-block.spaced {
  margin: 0 auto var(--space-10);
}

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

.flex-wrap-gap {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.media-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

.honeypot {
  display: none;
}

.mt-8 {
  margin-top: var(--space-8);
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-12) 0;
  }
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

.lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.meta {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(247, 248, 250, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo img {
  height: 44px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  align-items: center;
}

.nav-links a:not(.btn) {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:not(.btn):hover {
  color: var(--primary);
  text-decoration: none;
}

.nav .btn-primary,
.nav .btn-primary:hover,
.nav .btn-primary:visited {
  color: white;
}

.nav-cta {
  margin-left: var(--space-2);
}

body.menu-open {
  overflow: hidden;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--background-card);
    padding: 16px 24px 20px;
    box-shadow: var(--elevation-2);
    gap: var(--space-4);
    max-height: 0;
    opacity: 0;
    transform: translateY(-8px);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
    transition: max-height 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
    align-items: stretch;
    z-index: 1010;
  }

  .nav-links.is-open {
    max-height: 75vh;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .mobile-menu-btn {
    display: block;
    position: relative;
    z-index: 1011;
  }

  .nav-links a {
    font-size: 16px;
    padding: 8px 0;
  }

  .nav-cta .btn {
    width: 100%;
    justify-content: center;
    color: white;
  }

  .nav-cta {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn.is-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
}

.btn-spinner {
  display: inline-flex;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: rgba(255, 255, 255, 1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

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

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-primary:visited {
  color: white;
}

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

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

.btn-large {
  padding: 14px 28px;
  font-size: 15px;
}

.nav-cta .btn {
  color: white;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #111827;
  color: white;
  padding: var(--space-12) 0 var(--space-8);
}

.footer-logo {
  height: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-4);
  font-size: 14px;
}

.footer-links h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.5);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.footer-legal a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.text-muted-small {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Accessibility
   ============================================ */
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--primary);
  color: white;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   Page-specific shared components
   ============================================ */
.page-main {
  padding-top: 96px;
}

.policy-card {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  box-shadow: none;
}

@media (max-width: 768px) {
  .policy-card {
    padding: var(--space-8);
  }
}

.hero-badge-spaced {
  margin-bottom: var(--space-5);
}