/* ==========================================================================
   CSS VARIABLES
   ========================================================================== */

:root {
  --color-primary: #2c5282;
  --color-primary-dark: #1e3a5f;
  --color-accent: #3182ce;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-bg: #ffffff;
  --color-bg-light: #f7fafc;
  --color-border: #e2e8f0;
  --color-highlight-bg: #ebf8ff;

  --font-base: Arial, Helvetica, sans-serif;
  --font-heading: 'Segoe UI', Arial, sans-serif;
  --font-size-base: 1.05rem;
  --font-size-h1: clamp(1.8rem, 5vw, 2.6rem);
  --font-size-h2: clamp(1.5rem, 4vw, 2rem);
  --font-size-h3: clamp(1.25rem, 3.5vw, 1.5rem);
  --line-height: 1.7;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --content-max-width: 1100px;
  --border-radius: 8px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: #f9f9f9;
  font-size: var(--font-size-base);
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.content-spacer {
  height: var(--navbar-height);   /* same as your fixed menu height */
  padding-top: calc(var(--spacing-lg) + 80px);   /* or 90px, 100px, etc. */
}

.content-wrapper {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  background-color: var(--color-bg);
}

/* Headings */
h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.3;
}

h1 {
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

h2 {
  font-size: var(--font-size-h2);
  margin: var(--spacing-lg) 0 var(--spacing-md);
}

h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

/* Text & Lists */
p {
  margin-bottom: 1.4rem;
}

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: 1.8rem;
}

li {
  margin-bottom: 0.7rem;
}

/* Images */
.image-center {
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.image-center img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  display: block;
  margin: 0 auto;
}

.image-center figcaption {
  font-style: italic;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  font-size: 0.95rem;
}

/* Two columns */
.two-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.column {
  background-color: var(--color-bg-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Highlight */
.highlight-text {
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  font-weight: 600;
  text-align: center;
  margin: var(--spacing-lg) 0;
  color: var(--color-primary);
  padding: var(--spacing-md);
  background-color: var(--color-highlight-bg);
  border-radius: var(--border-radius);
  border-left: 5px solid var(--color-accent);
}

/* ==========================================================================
   ACCORDION (FAQ)
   ========================================================================== */

.accordion {
  margin: var(--spacing-lg) 0;
}

.accordion-toggle {
  display: none;
}

.accordion-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-bg-light);
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  font-size: clamp(1rem, 3vw, 1.15rem);
  color: var(--color-primary);
  cursor: pointer;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-xs);
  transition: background-color 0.2s ease;
}

.accordion-label:hover {
  background-color: #e2f0ff;
}

.accordion-label::after {
  content: '▼';
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.accordion-toggle:checked + .accordion-label::after {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  background-color: white;
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.accordion-toggle:checked + .accordion-label + .accordion-content {
  max-height: 800px; /* increase if needed */
  padding: var(--spacing-md);
}

.accordion-content p {
  margin: 0;
}

/* ==========================================================================
   RESPONSIVE DESIGN - Mobile First
   ========================================================================== */

/* Small screens (phones) */
@media (max-width: 600px) {
  .content-wrapper {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  h1 { margin-bottom: var(--spacing-sm); }
  h2 { margin-top: var(--spacing-md); }

  .two-columns {
    gap: var(--spacing-md);
  }

  .column {
    padding: var(--spacing-sm);
  }

  .accordion-label {
    padding: 1rem 1.2rem;
  }

  .accordion-content {
    padding: 1rem 1.2rem !important;
  }

  ul, ol {
    padding-left: 1.4rem;
  }
}

/* Tablets & small laptops */
@media (max-width: 992px) {
  .content-wrapper {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .two-columns {
    grid-template-columns: 1fr;
  }
}

/* Large screens */
@media (min-width: 1200px) {
  .content-wrapper {
    padding-left: 40px;
    padding-right: 40px;
  }
}