/* ==========================================================================
   MISSIONARY TRAINING COLLEGE (MTC) — GLOBAL STYLESHEET
   Designed toward WCAG 2.2 AA Conformance
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & CSS CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors — Institutional Collegiate Palette */
  --color-primary-900: #0a1b2d;      /* Deepest Midnight Navy */
  --color-primary-800: #0f2742;      /* Rich Collegiate Navy (Primary Brand) */
  --color-primary-700: #17385c;      /* Navy Medium-Dark */
  --color-primary-600: #1e4a78;      /* Royal Academic Blue */
  --color-primary-500: #296096;      /* Classic Blue */
  --color-primary-100: #e8f0f8;      /* Pale Ice Tint */
  --color-primary-50:  #f3f7fb;      /* Ultra-light Navy Wash */

  /* Secondary / Accent — MTC Heritage Gold */
  --color-accent-900: #573a00;
  --color-accent-700: #936706;
  --color-accent-600: #b5810a;
  --color-accent-500: #c69214;       /* Primary Accent Gold */
  --color-accent-400: #dfa82c;
  --color-accent-100: #fef5dc;
  --color-accent-50:  #fffbf0;

  /* Neutral Surface & Background Palette */
  --color-surface-white: #ffffff;
  --color-surface-stone: #f8f9fa;    /* Warm Stone Background */
  --color-surface-parchment: #f4f3ef;/* Classic Institutional Neutral */
  --color-surface-muted: #eef1f4;    /* Slate Gray Muted */

  /* Neutral Text & Typography Colors (4.5:1+ contrast verified) */
  --color-text-primary: #182230;     /* Deep Charcoal/Slate */
  --color-text-secondary: #3e4d5b;   /* Slate Gray Secondary */
  --color-text-muted: #5e7184;       /* Muted Description */
  --color-text-light: #ffffff;
  --color-text-light-muted: #d0dbe5;

  /* Status / Accent Highlights */
  --color-success: #157347;
  --color-warning: #9a6700;
  --color-notice-bg: #fdf8e6;
  --color-notice-border: #f0cb67;
  --color-badge-bg: #0f2742;
  --color-badge-text: #ffffff;

  /* Borders & Dividers */
  --color-border-subtle: #e2e7ec;
  --color-border-medium: #cbd5e1;
  --color-border-strong: #94a3b8;

  /* Accessibility & Focus Rings */
  --color-focus-ring: #0d5cb6;
  --color-focus-ring-alt: #f59e0b;
  --focus-outline-style: 3px solid var(--color-focus-ring);
  --focus-outline-offset: 3px;

  /* Typography Scale */
  --font-family-serif: 'Cinzel', 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-family-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-md: 1.125rem;   /* 18px */
  --font-size-lg: 1.25rem;    /* 20px */
  --font-size-xl: 1.5rem;     /* 24px */
  --font-size-2xl: 1.875rem;  /* 30px */
  --font-size-3xl: 2.25rem;   /* 36px */
  --font-size-4xl: 3rem;      /* 48px */
  --font-size-5xl: 3.75rem;   /* 60px */

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing Scale */
  --space-2xs: 0.25rem; /* 4px */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 0.75rem;  /* 12px */
  --space-md: 1rem;     /* 16px */
  --space-lg: 1.5rem;   /* 24px */
  --space-xl: 2rem;     /* 32px */
  --space-2xl: 3rem;    /* 48px */
  --space-3xl: 4.5rem;  /* 72px */
  --space-4xl: 6rem;    /* 96px */

  /* Layout & Widths */
  --container-max-width: 1240px;
  --container-narrow-width: 960px;
  --container-padding: 1.5rem;

  /* Elevation / Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 39, 66, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 39, 66, 0.08), 0 2px 4px -2px rgba(15, 39, 66, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 39, 66, 0.08), 0 4px 6px -4px rgba(15, 39, 66, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 39, 66, 0.1), 0 8px 10px -6px rgba(15, 39, 66, 0.04);

  /* Border Radii */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. CSS RESET & ACCESSIBLE DEFAULTS
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-surface-stone);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   3. ACCESSIBILITY CORE & FOCUS VISIBILITY (WCAG 2.2 AA)
   -------------------------------------------------------------------------- */


/* High-contrast focus state for keyboard users */
:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
}

/* High-contrast focus within dark backgrounds */
.bg-dark :focus-visible,
.header-area :focus-visible,
.footer-area :focus-visible {
  outline: 3px solid var(--color-accent-400);
  outline-offset: 3px;
}

/* Screen reader only utility */
.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;
}

/* --------------------------------------------------------------------------
   4. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary-900);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

h1, .heading-hero {
  font-family: var(--font-family-serif);
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  letter-spacing: -0.01em;
}

h2, .section-title {
  font-family: var(--font-family-serif);
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.35rem);
  letter-spacing: -0.01em;
}

h3, .card-title {
  font-size: clamp(1.2rem, 1.5vw + 0.2rem, 1.45rem);
  font-weight: var(--font-weight-semibold);
}

h4 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary-700);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-900);
  text-decoration-thickness: 2px;
}

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

/* --------------------------------------------------------------------------
   5. LAYOUT UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--container-narrow-width);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-bg-white {
  background-color: var(--color-surface-white);
}

.section-bg-stone {
  background-color: var(--color-surface-stone);
}

.section-bg-parchment {
  background-color: var(--color-surface-parchment);
}

.section-bg-navy {
  background-color: var(--color-primary-900);
  color: var(--color-text-light);
}

.section-bg-navy p {
  color: var(--color-text-light-muted);
}

.section-bg-navy h2,
.section-bg-navy h3,
.section-bg-navy h4 {
  color: var(--color-text-light);
}

.section-header {
  margin-bottom: var(--space-2xl);
}

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

/* Classical Institutional Section Eyebrow (No AI pill capsule) */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-700);
  border-left: 3px solid var(--color-accent-500);
  padding-left: 0.65rem;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-eyebrow-center {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-700);
  border-left: none;
  padding-left: 0;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-eyebrow-center::before,
.section-eyebrow-center::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background-color: var(--color-accent-500);
}

.section-eyebrow-navy {
  color: var(--color-primary-800);
  border-left-color: var(--color-primary-800);
}

.section-eyebrow-light {
  color: var(--color-accent-400);
  border-left-color: var(--color-accent-400);
}

.section-lead {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   6. BUTTONS & INTERACTIVE ELEMENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-family-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary-800);
  color: var(--color-text-light);
  border-color: var(--color-primary-800);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
  color: var(--color-text-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent-500);
  color: var(--color-primary-900);
  border-color: var(--color-accent-500);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: var(--color-accent-400);
  border-color: var(--color-accent-400);
  color: var(--color-primary-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-primary-900);
  border-color: var(--color-primary-800);
}

.btn-outline-dark:hover {
  background-color: var(--color-primary-800);
  color: var(--color-text-light);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-text-light);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  background-color: var(--color-text-light);
  color: var(--color-primary-900);
  border-color: var(--color-text-light);
}

.btn-link-action {
  background: none;
  border: none;
  padding: 0;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  color: var(--color-primary-800);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  text-decoration: none;
}

.btn-link-action:hover {
  color: var(--color-primary-600);
  text-decoration: none;
}

.btn-link-action .arrow-icon {
  transition: transform var(--transition-fast);
}

.btn-link-action:hover .arrow-icon {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   7. RESPECT PREFERS-REDUCED-MOTION
   -------------------------------------------------------------------------- */
@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;
  }
}