/* ===========================================
   Variables
   =========================================== */
:root {
  /* Colors */
  --color-background: #fafbfc;
  --color-surface: #ffffff;
  --color-text: #1a202c;
  --color-primary: #3e64ff;
  --color-primary-hover: #3454cc;
  --color-success: #5cb85c;
  --color-warning: #ffa726;
  --color-danger: #f44336;
  --color-neutral-100: #f5f6fa;
  --color-neutral-200: #e1e3ea;
  --color-neutral-300: #c8ccd8;
  --color-neutral-400: #9aa0b9;
  --color-neutral-600: #5f647a;
  --color-neutral-800: #232334;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', 'Arial', sans-serif;
  --font-size-xs: 0.8125rem; /* 13px */
  --font-size-sm: 0.9375rem; /* 15px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.25rem;   /* 20px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 2rem;     /* 32px */
  --line-height-base: 1.6;
  --line-height-tight: 1.2;

  /* Spacing (0-96px: scale by 4) */
  --space-0: 0;
  --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;
  --space-24: 96px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(20, 22, 33, 0.04);
  --shadow-sm: 0 2px 8px rgba(60, 72, 117, 0.12);
  --shadow-md: 0 4px 16px rgba(23, 30, 71, 0.10);
  --shadow-lg: 0 8px 32px rgba(23, 30, 71, 0.15);

  /* Transition durations */
  --transition-fast: 120ms;
  --transition: 200ms;
  --transition-slow: 360ms;
}

/* ===========================================
   Reset & Normalize
   =========================================== */
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  background: var(--color-background);
  color: var(--color-text);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4) 0;
  font-family: inherit;
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}
h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-6);
}
h2 {
  font-size: var(--font-size-xl);
}
h3 {
  font-size: var(--font-size-lg);
  font-weight: 500;
}
h4 {
  font-size: var(--font-size-base);
  font-weight: 500;
}
h5, h6 {
  font-size: var(--font-size-sm);
}
p {
  margin: 0 0 var(--space-4) 0;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}
ul, ol {
  padding-left: var(--space-6);
  margin: 0 0 var(--space-4) 0;
}
li {
  margin-bottom: var(--space-1);
}
button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus-visible {
  color: var(--color-primary-hover);
  text-decoration: underline;
  outline: none;
}
a:active {
  color: var(--color-primary);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  transition: outline var(--transition-fast);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===========================================
   Base Styles
   =========================================== */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* ===========================================
   Utilities
   =========================================== */
.flex {
  display: flex;
  gap: var(--space-4);
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.grid {
  display: grid;
  gap: 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;
}
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }

/* Spacing utilities (example for 1 & 4 only for brevity) */
.mt-1 { margin-top: var(--space-1) !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.pt-4 { padding-top: var(--space-4) !important; }
.pb-4 { padding-bottom: var(--space-4) !important; }

/* ===========================================
   Components
   =========================================== */
.button, button, [type="button"], [type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: background var(--transition), box-shadow var(--transition);
  text-transform: none;
}
.button:hover,
button:hover,
.button:focus-visible,
button:focus-visible {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-sm);
}
.button:disabled,
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: var(--shadow-xs);
}

input,
select,
textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-neutral-200);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: none;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(62,100,255,0.08);
  outline: none;
}
input:disabled,
select:disabled,
textarea:disabled {
  background: var(--color-neutral-100);
  color: var(--color-neutral-400);
  cursor: not-allowed;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  transition: box-shadow var(--transition);
  border: 1px solid var(--color-neutral-100);
}
.card:hover,
.card:focus-within {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

/* ===========================================
   Header & Footer styles (shared across all pages)
   =========================================== */

.header-container {
  min-height: 72px;
  gap: var(--space-6);
}
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}
.site-logo:hover {
  color: var(--color-primary-hover);
}

/* Navigation styles */
.main-nav {
  position: relative;
}
.nav-list {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list li a {
  font-size: var(--font-size-base);
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  outline: none;
}
.nav-list li a:hover,
.nav-list li a:focus-visible,
.nav-list li a.active {
  color: var(--color-primary);
  background: var(--color-background);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  padding: 0;
  margin-left: var(--space-2);
  position: relative;
  z-index: 2;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-primary);
  position: absolute;
  left: 8px;
  border-radius: 2px;
  transition: all var(--transition-fast) ease;
  content: '';
}
.nav-toggle span {
  top: 19px;
}
.nav-toggle span::before {
  top: -8px;
  content: '';
}
.nav-toggle span::after {
  top: 8px;
  content: '';
}

/* Footer styles */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-neutral-200);
  padding-bottom: 104px; /* Cookie banner height */
  font-size: var(--font-size-sm);
}
.footer-flex {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-16);
  padding: var(--space-8) 0;
}
.footer-brand {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}
.footer-nav-list, .legal-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-2) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-nav-list li a {
  color: var(--color-text);
  padding: 0;
}
.footer-nav-list li a:hover, .legal-list li a:hover {
  color: var(--color-primary);
}
.legal-list {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-600);
}
.copyright {
  color: var(--color-neutral-400);
  margin-top: var(--space-1);
}

/* Cookie banner styles */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-4) var(--space-2);
  background: var(--color-surface);
  box-shadow: 0 -2px 8px rgba(23,30,71,0.09);
  border-top: 1px solid var(--color-neutral-200);
  z-index: 100;
  font-size: var(--font-size-base);
  transition: transform 0.3s;
}
.cookie-banner[aria-hidden="true"] {
  transform: translateY(120%);
  pointer-events: none;
  opacity: 0;
}
.cookie-banner-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}
.cookie-banner a {
  color: var(--color-primary);
  text-decoration: underline;
  font-size: var(--font-size-sm);
}
.cookie-buttons {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-2);
}
.button.secondary {
  background: var(--color-neutral-200);
  color: var(--color-text);
}
.button.secondary:hover,
.button.secondary:focus-visible {
  background: var(--color-primary-hover);
  color: #fff;
}

/* Responsive styles for header, nav and footer */
@media (max-width: 900px) {
  .footer-flex {
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-6) 0;
    align-items: stretch;
  }
}
@media (max-width: 650px) {
  .container {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .footer-flex {
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-4) 0;
  }
  .main-nav .nav-list {
    flex-direction: column;
    gap: var(--space-3);
    background: var(--color-surface);
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    width: 210px;
    padding: var(--space-8) var(--space-4) var(--space-4);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    z-index: 30;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
    transition: opacity var(--transition), transform var(--transition);
  }
  .main-nav.open .nav-list {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-toggle {
    display: block;
    background: none;
    margin-left: var(--space-3);
  }
}
@media (max-width: 400px) {
  .cookie-banner {
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-1);
  }
}
/* ===========================================
   End Of File
   =========================================== */