/* ==========================================================
   Variables
   ========================================================== */
:root {
  /* Color palette (medieval regal + blueprint-inspired) */
  --color-background: #f2efe3; /* parchment-light */
  --color-surface: #ffffff;    /* elevated surfaces */
  --color-text: #1f1d1b;       /* near-black */

  --color-primary: #1f3a8a;    /* royal blue */
  --color-primary-600: #2547a5;
  --color-primary-700: #162a66;

  --color-accent: #c9a227;     /* aged gold */
  --color-accent-600: #b08d1f;
  --color-accent-700: #8f731a;

  --color-success: #2f8f46;    /* herald green */
  --color-success-600: #25723b;

  --color-warning: #d89614;    /* amber/gold */
  --color-warning-600: #b67c0f;

  --color-danger: #8b1e2b;     /* crimson */
  --color-danger-600: #761924;

  /* Neutral stone grays */
  --gray-50:  #f6f5f1;
  --gray-100: #eceae4;
  --gray-200: #e0ddd4;
  --gray-300: #cfcabf;
  --gray-400: #b9b3a6;
  --gray-500: #9c9589;
  --gray-600: #7f796d;
  --gray-700: #645f55;
  --gray-800: #4b4740;
  --gray-900: #34312c;

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: "Cinzel", "Cormorant Garamond", Georgia, "Times New Roman", Times, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --fs-xs: 0.75rem;   /* 12px */
  --fs-sm: 0.875rem;  /* 14px */
  --fs-base: 1rem;    /* 16px */
  --fs-lg: 1.125rem;  /* 18px */
  --fs-xl: 1.25rem;   /* 20px */
  --fs-2xl: clamp(1.35rem, 1.1rem + 0.8vw, 1.75rem);
  --fs-3xl: clamp(1.75rem, 1.25rem + 1.8vw, 2.5rem);
  --fs-4xl: clamp(2.25rem, 1.4rem + 3vw, 3.5rem);

  --lh-tight: 1.2;
  --lh-normal: 1.6;
  --lh-loose: 1.8;

  --measure: 65ch; /* comfortable line length */

  /* Spacing scale (0–96px) */
  --space-0: 0px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 56px;
  --space-11: 64px;
  --space-12: 80px;
  --space-13: 96px;

  /* Radius, shadows, transitions */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-round: 9999px;

  --shadow-sm: 0 1px 1px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.08), 0 6px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.12), 0 16px 32px rgba(0,0,0,0.08);

  --dur-fast: 120ms;
  --dur-normal: 200ms;
  --dur-slow: 320ms;
  --easing: cubic-bezier(0.2, 0.6, 0.2, 1);

  /* Layout */
  --container-max: 72rem; /* ~1152px */
  --container-pad: var(--space-6);

  color-scheme: light;
}

/* ==========================================================
   Header & Footer styles (from home.css)
   ========================================================== */
  /* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-surface) 85%, #fff 15%);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-4); align-items: center; min-height: 64px; }
/* Align the first child to the far left and the last child to the far right */
.header-inner > :first-child { justify-self: start; }
.header-inner > :last-child { justify-self: end; }
.brand { font-family: var(--font-serif); font-size: 1.375rem; color: var(--color-text); display: inline-block; padding-inline: 0.25rem; border-bottom: 3px solid var(--color-accent); }
.brand:hover { text-decoration: none; }

/* Logo image sizing: default 120px, smaller on narrow viewports */
.brand img { width: 120px; height: auto; display: inline-block; vertical-align: middle; }
@media (max-width: 600px) {
  .brand img { width: 80px; }
}
.nav-toggle { display: none; }
.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.nav-list { display: flex; gap: var(--space-5); align-items: center; }
.nav-list a { font-weight: 600; }
.nav-cta { display: flex; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-grid; }
  .site-nav {
    position: fixed; inset: 24px 0 auto 0; background: var(--color-surface);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-110%);
    transition: transform var(--dur-normal) var(--easing);
    flex-direction: column; gap: var(--space-4); padding: var(--space-6) var(--space-6);
  }
  .site-nav.is-open { transform: translateY(0); }
  .nav-list { flex-direction: column; gap: var(--space-3); width: 100%; }
  .nav-cta { width: 100%; }
  .nav-cta .btn { width: 100%; }
}

/* Hide mobile-only controls on wider screens (>= 900px) */
@media (min-width: 900px) {
  .nav-toggle, .icon-btn { display: none!important; }
}

/* Footer */
.site-footer { background: #0f2a56; color: #e9eef9; padding-top: var(--space-9); margin-top: var(--space-9); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: var(--space-8); }
.footer-heading { font-size: var(--fs-lg); margin-bottom: var(--space-3); }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a { color: #e9eef9; }
.brand--footer { color: #e9eef9; border-bottom-color: var(--color-accent); }
.footer-base { border-top: 1px solid rgba(255,255,255,0.15); margin-top: var(--space-7); padding-block: var(--space-6); display: flex; justify-content: space-between; align-items: center; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; gap: var(--space-3); text-align: center; }
}

/* Cookie consent */
.cookie-consent { position: fixed; inset: auto 0 0 0; z-index: 60; background: color-mix(in srgb, var(--color-surface) 92%, #fff 8%); border-top: 1px solid var(--gray-300); box-shadow: 0 -10px 20px rgba(0,0,0,0.06); }
.cookie-inner { max-width: var(--container-max); margin-inline: auto; padding: var(--space-4) var(--container-pad); display: flex; gap: var(--space-5); justify-content: space-between; align-items: center; }
.cookie-inner p { margin: 0; }
.cookie-actions { display: flex; gap: var(--space-3); flex-shrink: 0; }
@media (max-width: 800px) {
  .cookie-inner { flex-direction: column; align-items: stretch; gap: var(--space-3); text-align: left; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; }
}

/* ==========================================================
   Reset / Normalize
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

/* Remove default margins */
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

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

/* Form elements inherit fonts */
input, button, textarea, select { font: inherit; color: inherit; }

/* Prevent text overflow */
:where(p, h1, h2, h3, h4, h5, h6) { overflow-wrap: break-word; }

/* ==========================================================
   Base styles
   ========================================================== */
body {
  min-height: 100dvh;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings: medieval-regal flair with serif stack */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: var(--lh-tight);
  letter-spacing: 0.005em;
  text-wrap: balance;
}

h1 { font-size: var(--fs-4xl); margin-block: var(--space-8) var(--space-4); }
h2 { font-size: var(--fs-3xl); margin-block: var(--space-7) var(--space-4); }
h3 { font-size: var(--fs-2xl); margin-block: var(--space-6) var(--space-3); }
h4 { font-size: var(--fs-xl);  margin-block: var(--space-5) var(--space-2); }
h5 { font-size: var(--fs-lg);  margin-block: var(--space-4) var(--space-2); }
h6 { font-size: var(--fs-base); margin-block: var(--space-3) var(--space-1); text-transform: uppercase; letter-spacing: 0.04em; }

/* Links */
a { color: var(--color-primary); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }

/* Paragraphs: comfortable line length */
p { max-width: var(--measure); text-wrap: pretty; }

/* Lists */
ul, ol { padding-left: 1.25em; margin-block: var(--space-3); }
li { margin-block: 0.25em; }

/* Horizontal rule */
hr { border: 0; border-top: 1px solid var(--gray-300); margin-block: var(--space-7); }

/* Code */
code, pre { font-family: var(--font-mono); font-size: 0.95em; }
pre { padding: var(--space-4); background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: auto; }

/* ==========================================================
   Utilities
   ========================================================== */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-sm { gap: var(--space-3); }
.gap-md { gap: var(--space-5); }
.gap-lg { gap: var(--space-7); }

/* Responsive auto-fit grids for blueprint-like layout */
.grid--tiles-2 { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: var(--space-6); }
.grid--tiles-3 { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: var(--space-6); }

/* Flow utility for vertical rhythm */
.flow > * + * { margin-top: var(--space-4); }
.flow-lg > * + * { margin-top: var(--space-6); }

/* Screen reader only */
.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; }

/* Skip link helper */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: fixed; left: var(--space-6); top: var(--space-6); width: auto; height: auto; padding: var(--space-3) var(--space-4); background: var(--color-primary); color: #fff; border-radius: var(--radius-sm); z-index: 1000; }

/* Background helpers */
.bg--surface { background: var(--color-surface); }
.bg--primary { background: var(--color-primary); color: #fff; }
.bg--accent { background: var(--color-accent); color: #1f1d1b; }

/* Text helpers */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-700); }

/* ==========================================================
   Components
   ========================================================== */
/* Buttons */
.btn {
  --btn-bg: var(--gray-100);
  --btn-border: var(--gray-300);
  --btn-color: var(--color-text);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: calc(var(--space-3) + 1px) var(--space-5);
  background: var(--btn-bg);
  color: var(--btn-color);
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background-color var(--dur-normal) var(--easing),
              color var(--dur-normal) var(--easing),
              border-color var(--dur-normal) var(--easing),
              transform var(--dur-fast) var(--easing),
              box-shadow var(--dur-normal) var(--easing);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.6; cursor: not-allowed; filter: grayscale(10%); }
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.btn--primary { --btn-bg: var(--color-primary); --btn-border: var(--color-primary-700); --btn-color: #fff; }
.btn--primary:hover { background: var(--color-primary-600); border-color: var(--color-primary-700); }

.btn--accent { --btn-bg: var(--color-accent); --btn-border: var(--color-accent-700); --btn-color: #1f1d1b; }
.btn--accent:hover { background: var(--color-accent-600); }

.btn--success { --btn-bg: var(--color-success); --btn-border: var(--color-success-600); --btn-color: #fff; }
.btn--warning { --btn-bg: var(--color-warning); --btn-border: var(--color-warning-600); --btn-color: #1f1d1b; }
.btn--danger  { --btn-bg: var(--color-danger);  --btn-border: var(--color-danger-600);  --btn-color: #fff; }

.btn--ghost { --btn-bg: transparent; --btn-border: var(--gray-300); --btn-color: var(--color-text); background: transparent; color: var(--btn-color); }
.btn--ghost:hover {
  /* Subtle hover: no background, slight color shift and opacity for affordance */
  color: color-mix(in srgb, var(--color-primary) 60%, var(--btn-color));
  opacity: 0.95;
}

/* Improve readability for small ghost buttons while keeping the minimal ghost look */
.btn--ghost.btn--sm {
  --btn-color: color-mix(in srgb, var(--color-primary) 80%, var(--gray-900) 20%);
  color: var(--btn-color);
  border-color: color-mix(in srgb, var(--color-primary) 12%, var(--gray-300));
  background: transparent;
  transition: background-color var(--dur-normal) var(--easing), color var(--dur-normal) var(--easing), box-shadow var(--dur-normal) var(--easing);
}
.btn--ghost.btn--sm:hover,
.btn--ghost.btn--sm:focus {
  /* Keep small ghost subtle: change text tint without adding background */
  color: color-mix(in srgb, var(--color-primary) 75%, var(--btn-color));
  opacity: 0.96;
}
.btn--ghost.btn--sm:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 16%, transparent);
}

/* Contextual: ensure ghost buttons are readable on dark backgrounds */
.site-footer .btn--ghost,
.card--blueprint .btn--ghost,
.bg--primary .btn--ghost,
.texture--blueprint .btn--ghost {
  --btn-color: #ffffff;
  color: var(--btn-color);
}

.btn--sm { padding: var(--space-2) var(--space-4); font-size: var(--fs-sm); border-radius: var(--radius-sm); }
.btn--lg { padding: var(--space-4) var(--space-7); font-size: var(--fs-lg); border-radius: var(--radius-lg); }

/* Inputs */
.input, input[type="text"], input[type="email"], input[type="search"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm) inset;
  transition: border-color var(--dur-normal) var(--easing), box-shadow var(--dur-normal) var(--easing), background-color var(--dur-normal) var(--easing);
  appearance: none;
}
.input::placeholder, input::placeholder, textarea::placeholder { color: var(--gray-600); }
.input:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 25%, transparent);
  outline: none;
}
input:disabled, select:disabled, textarea:disabled { background: var(--gray-100); color: var(--gray-700); cursor: not-allowed; }

/* Cards */
.card {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-7);
}
.card--blueprint { background: #0f2a56; color: #e9eef9; background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.08) 0, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 24px), repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 24px); border-color: rgba(255,255,255,0.2); }

/* Badges (optional small component for heraldic cues) */
.badge { display: inline-block; padding: 2px 8px; font-size: var(--fs-xs); border-radius: var(--radius-round); border: 1px solid var(--gray-300); background: var(--gray-100); }
.badge--gold { background: color-mix(in srgb, var(--color-accent) 25%, #fff); border-color: var(--color-accent-700); color: #3a2f0b; }

/* ==========================================================
   Accessibility
   ========================================================== */
/* Focus-visible default outline for interactive elements */
:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

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

/* ==========================================================
   Blueprint-inspired accents
   ========================================================== */
/* Subtle blueprint grid overlay utility for sections */
.blueprint-grid {
  position: relative;
}
.blueprint-grid::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(31,58,138,0.1) 0, rgba(31,58,138,0.1) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(90deg, rgba(31,58,138,0.1) 0, rgba(31,58,138,0.1) 1px, transparent 1px, transparent 24px);
  mix-blend-mode: multiply;
}

/* ==========================================================
   Link and interactive refinements
   ========================================================== */
/* Underline on hover with regal accent */
a:hover { text-decoration-thickness: 2px; text-decoration-color: color-mix(in srgb, var(--color-accent) 70%, var(--color-primary)); }

/* Icon button helper */
.icon-btn { --size: 2.5rem; width: var(--size); height: var(--size); display: inline-grid; place-items: center; border-radius: var(--radius-round); border: 1px solid var(--gray-300); background: var(--color-surface); box-shadow: var(--shadow-sm); cursor: pointer; transition: background-color var(--dur-normal) var(--easing), transform var(--dur-fast) var(--easing), box-shadow var(--dur-normal) var(--easing); }
.icon-btn:hover { background: var(--gray-50); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.icon-btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* ==========================================================
   Media elements
   ========================================================== */
/* Make embedded media responsive */
.embed { position: relative; width: 100%; padding-bottom: 56.25%; }
.embed > iframe, .embed > video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ==========================================================
   Tables (lightweight)
   ========================================================== */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--gray-200); text-align: left; }
.table thead th { font-family: var(--font-serif); font-weight: 600; color: var(--gray-800); }

/* ==========================================================
   Forms: checkbox/radio touch-ups (minimal)
   ========================================================== */
input[type="checkbox"], input[type="radio"] { accent-color: var(--color-primary); }

/* ==========================================================
   Smooth scrolling offset helper for anchored headings
   ========================================================== */
:target { scroll-margin-top: var(--space-9); }

/* Optional textures (lightweight, pure CSS) */
.texture--blueprint {
  color: #e8edf7;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.08) 0, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 24px),
    linear-gradient(180deg, #102a54, #143165);
  background-size: auto, auto, 100% 100%;
}
.texture--parchment {
  background-color: #f2efe3;
  background-image:
    radial-gradient(1200px 400px at 10% 0%, rgba(0,0,0,0.03), transparent 60%),
    radial-gradient(800px 300px at 90% 10%, rgba(0,0,0,0.03), transparent 60%),
    radial-gradient(600px 300px at 50% 100%, rgba(0,0,0,0.04), transparent 60%);
}
.texture--stone {
  background-color: #eceae4;
  background-image:
    repeating-linear-gradient(135deg, rgba(0,0,0,0.04) 0 2px, transparent 2px 8px),
    linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.6));
}