/* ===========================================================================
   VARIABLES: Color Palette, Typography, Spacing, Radius, Shadow, Transition
   ========================================================================= */
:root {
  /* Colors */
  --color-background: #f5ecd7;         /* Parchment background */
  --color-surface: #fffdf6;
  --color-text: #3e2c14;               /* Deep brown ink */
  --color-primary: #a55621;            /* Heraldic deep gold/orange */
  --color-success: #389e3c;
  --color-warning: #c1872f;
  --color-danger: #ac2323;

  --gray-50:  #f9f6ef;
  --gray-100: #ede3c8;
  --gray-200: #d3c0a3;
  --gray-300: #b8a282;
  --gray-400: #977e61;
  --gray-500: #7d6347;
  --gray-600: #584328;
  --gray-700: #3a2c18;
  --gray-800: #291c0d;
  --gray-900: #1e1510;

  /* Typography */
  --font-family-serif: 'EB Garamond', 'Times New Roman', Times, serif; /* Evokes a medieval look */
  --font-family-sans: 'Lato', Arial, sans-serif;
  --font-family-display: 'MedievalSharp', 'UnifrakturCook', 'Cinzel Decorative', 'EB Garamond', serif; /* For headings */

  --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 */
  --font-size-3xl: 2.5rem;   /* 40px */

  --line-height-tight: 1.18;
  --line-height-base: 1.62;
  --line-height-loose: 1.8;

  /* Spacing (0–96px, 8px scale) */
  --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;

  /* Radius */
  --radius-none: 0;
  --radius-sm: 3px;
  --radius-base: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* Shadows (parchment/medieval feel) */
  --shadow-xs: 0 1px 2px 0 rgba(60,39,19,0.04);
  --shadow-sm: 0 2px 3px 0 rgba(60,39,19,0.08);
  --shadow-base: 0 4px 12px 0 rgba(60,39,19,0.17);
  --shadow-lg: 0 8px 24px 0 rgba(78,59,29,0.17);

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(.5,.1,.9,.4);
  --transition-base: 270ms cubic-bezier(.4,.04,.5,1);
  --transition-slow: 420ms cubic-bezier(.2,.4,.2,1);
}

/* ===========================================================================
   RESET & NORMALIZE
   ========================================================================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html,
body,
h1, h2, h3, h4, h5, h6,
p, blockquote, pre,
dl, dd, ul, ol, li,
figure, figcaption,
fieldset, legend,
textarea, input, button,
hr {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
}

html {
  scroll-behavior: smooth;
  /* Set base font size for rem scaling */
  font-size: 16px;
}

body {
  min-height: 100vh;
  background: var(--color-background);
  color: var(--color-text);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Remove spinner in number inputs */
input[type=number]::-webkit-outer-spin-button, input[type=number]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}

/* ===========================================================================
   BASE STYLES (Body, Headings, Paragraphs, Links)
   ========================================================================= */
body {
  font-family: var(--font-family-serif);
  background: var(--color-background);
  color: var(--color-text);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  letter-spacing: 0.01em;
  background-image: url('../images/medieval-stone-castle-with-moat-and-banners-1130.webp');
  background-size: cover;
  background-attachment: fixed;
  background-blend-mode: multiply;
  /* For texture overlay: fallback color + optional subtle grain overlay */
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  font-weight: 700;
  color: var(--color-primary);
  line-height: var(--line-height-tight);
  text-shadow: 0 2px 1px var(--gray-100), 0 1px 4px var(--gray-400);
  margin-top: var(--space-8);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}
h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}
h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}
h3 {
  font-size: var(--font-size-xl);
}
h4 {
  font-size: var(--font-size-lg);
}
h5, h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--space-4);

}

blockquote {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin: var(--space-6) 0;
  padding-left: var(--space-4);
  border-left: 4px solid var(--color-primary);
  background: var(--gray-50);
  border-radius: var(--radius-sm);
}

a {
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}
a:hover,
a:active {
  color: var(--color-success);
  text-decoration-thickness: 2px;
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
}

/* ===========================================================================
   UTILITIES (Container, Flex/Grid, screen-reader only)
   ========================================================================= */
.container {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.flex {
  display: flex;
  gap: var(--space-4, 16px);
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-column {
  flex-direction: column;
}
.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);
  border: 0;
}

/* ===========================================================================
   COMPONENTS (Button, Input, Card)
   ========================================================================= */
.button,
button,
input[type="button"],
input[type="submit"] {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  color: #fff;
  background: linear-gradient(90deg, var(--color-primary), #c1872f 90%);
  border: 2px solid var(--gray-700);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-base);
  padding: var(--space-2) var(--space-6);
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-shadow: 0 1px 2px var(--gray-800);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
}
.button:hover,
button:hover,
.button:focus-visible,
button:focus-visible {
  background: linear-gradient(90deg, #c1872f 40%, var(--color-primary) 100%);
  outline: 2px solid var(--color-success);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}
.button:active,
button:active {
  background: var(--color-primary);
  transform: scale(0.97);
}
.button:disabled,
button:disabled {
  background: var(--gray-200);
  color: var(--gray-500);
  border-color: var(--gray-400);
  cursor: not-allowed;
  box-shadow: none;
}

input,
select,
textarea {
  font: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  transition: border-color var(--transition-fast), box-shadow var(--transition-base);
}
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--gray-100);
  background: var(--gray-50);
  z-index: 1;
}
input:disabled, textarea:disabled {
  background: var(--gray-100);
  color: var(--gray-400);
  border-color: var(--gray-200);
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  border: 1.5px solid var(--gray-200);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url('../images/historic-strategic-meeting-map-debate-1541.webp');
  opacity: 0.1;
}

/* Heraldic border utility for immersive medieval style */
.heraldic-border {
  border: 4px double var(--color-primary);
  border-radius: var(--radius-xl);
  box-shadow: 0 2px 12px 0 rgba(128, 84, 34, 0.12);
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--gray-50) 85%, var(--gray-100) 100%);
}

/* ===========================================================================
   HEADER & FOOTER STYLES
   ========================================================================= */
.site-header {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
  background: linear-gradient(90deg, var(--gray-50) 90%, var(--gray-100));
  box-shadow: var(--shadow-sm);
}
.site-title {
  font-size: var(--font-size-2xl);
  display: flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-family-display);
  color: var(--color-primary);
}
.brand-name {
  font-weight: 700;
}
.nav-list {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}
.nav-list li a {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  background: transparent;
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-fast);
}
.nav-list li a:hover, .nav-list li a:focus-visible {
  background: var(--gray-50);
  color: var(--color-success);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle-bar {
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
  display: block;
}

.site-footer {
  background: linear-gradient(86deg, var(--gray-100) 60%, var(--gray-200));
  margin-top: var(--space-12);
  padding-bottom: var(--space-8);
  position: relative;
}
.footer-content {
  padding-top: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.footer-logo {
  font-size: 2rem;
  color: var(--color-primary);
  margin-right: 0.3em;
  vertical-align: middle;
}
.footer-main {
  width: 100%;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}
.footer-links {
  gap: var(--space-8);
  justify-content: center;
  margin-top: var(--space-2);
}
.footer-nav, .footer-legal {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav li a, .footer-legal li a {
  color: var(--color-primary);
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: text-decoration var(--transition-fast);
}
.footer-nav li a:hover, .footer-legal li a:hover, .footer-nav li a:focus, .footer-legal li a:focus {
  text-decoration: underline;
}
.footer-copyright {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* Cookie consent banner */
.cookie-consent-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(89deg, var(--gray-100) 90%, var(--gray-50));
  box-shadow: 0 -2px 18px 0 rgba(89, 72, 37, 0.11);
  padding: var(--space-4) var(--space-2);
  gap: var(--space-2);
  border-top: 2px double var(--color-primary);
  font-size: var(--font-size-sm);
  visibility: visible;
  opacity: 1;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.cookie-consent-banner[aria-hidden="true"] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.cookie-consent-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-1);
}
.btn-secondary {
  background: linear-gradient(90deg, var(--gray-400), var(--gray-600) 84%);
  color: #fff;
  border: 2px solid var(--gray-700);
}
.btn-secondary:hover {
  background: linear-gradient(90deg, var(--gray-600), var(--gray-400));
}

/* Responsive styles for header/footer/nav/cookie consent */
@media (max-width: 600px) {
  .site-header, .site-footer {
    padding-left: var(--space-1);
    padding-right: var(--space-1);
  }
  .nav-list {
    flex-direction: column;
    gap: var(--space-3);
  }
}
@media (max-width: 720px) {
  .main-nav {
    position: relative;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-list {
    display: none;
    position: absolute;
    right: 0;
    top: 46px;
    flex-direction: column;
    gap: var(--space-3);
    background: var(--gray-50);
    box-shadow: 0 6px 22px 0 rgba(96,51,17,0.11);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    min-width: 182px;
    z-index: 1001;
  }
  .nav-list.is-active {
    display: flex;
    animation: slideDownMenu 210ms cubic-bezier(0.53,0.13,0.41,1.13);
  }
  @keyframes slideDownMenu {
    from { opacity: 0; transform: translateY(-32px); }
    to { opacity: 1; transform: none; }
  }
}

/* ===========================================================================
   ACCESSIBILITY (Focus, Reduced Motion)
   ========================================================================= */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}