/* ====================================================================
   PRIJIVA BASE & GLOBAL STYLES (REFINED)
   Reset, Global HTML/Body, Accessibility, Typography, Layout Utilities
   ==================================================================== */

/* --- Box Sizing & Clean Resets --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Accessibility Skip Link --- */
.skip-link {
  position: absolute;
  top: -60px;
  left: 1.25rem;
  background: var(--color-indigo);
  color: #ffffff;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 9999;
  transition: top 0.2s ease;
  text-decoration: none;
  min-height: var(--tap-target-min);
  display: inline-flex;
  align-items: center;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--color-teal);
}

/* 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;
}

/* --- Typography System --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-headings);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.25rem); font-weight: 900; }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 800; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.15rem; font-weight: 700; }
h5 { font-size: 1rem; font-weight: 700; }
h6 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 800; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.15rem;
}

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

a {
  color: var(--color-teal);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-teal-hover);
}

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

ul, ol {
  list-style: none;
}

/* --- Layout Utilities & Spacing Rhythm --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: var(--section-spacing);
  padding-bottom: var(--section-spacing);
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: var(--section-spacing-mobile);
    padding-bottom: var(--section-spacing-mobile);
  }
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.75rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

/* --- Section Tags / Category Pills --- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.section-tag.teal {
  background: var(--color-teal-light);
  color: var(--color-teal-hover);
}

.section-tag.pink {
  background: var(--color-pink-light);
  color: var(--color-pink-hover);
}

.section-tag.lemon {
  background: var(--color-lemon-light);
  color: var(--color-lemon-dark);
}

.section-tag.indigo {
  background: var(--color-indigo-subtle);
  color: var(--color-indigo);
}

[data-theme="dark"] .section-tag.indigo {
  color: #c7d2fe;
}

.section-title {
  margin-bottom: 0.65rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0;
}

/* --- Text Color Helpers --- */
.text-teal { color: var(--color-teal); }
.text-pink { color: var(--color-pink); }
.text-indigo { color: var(--color-indigo); }

[data-theme="dark"] .text-indigo {
  color: #c7d2fe;
}

/* --- Visible Accessible Focus Indicator --- */
:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --- Respect 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;
  }
}