/* ============================================================================
   STRATEGICDISTRICT.COM , BASE STYLES & GLOBAL RESETS
   Global typography, resets, utilities, and foundation components
   ============================================================================ */

/* ========== CSS RESETS ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Rainbow bar is handled by header element, not html::before */
/* Removed html::before to prevent duplicate bars */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ========== TYPOGRAPHY DEFAULTS ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-lg);
}

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

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

h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-md);
}

h5 {
  font-size: var(--font-size-h5);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--font-size-h6);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Keep visited links the same color as their designed state */
a:visited {
  color: inherit;
}

/* Ensure buttons with explicit colors keep white text when visited */
a.btn-teal:visited,
a.btn-gold:visited,
a.btn-cta:visited,
a.btn-primary:visited,
a.btn-hero-primary:visited,
a.btn-hero-secondary:visited,
a.cta-primary:visited,
a.cta-secondary:visited,
a.sample-cta:visited,
a.cta-btn:visited,
a[class*="btn"]:visited {
  color: white;
}

/* ========== LIST STYLES ========== */
ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

/* ========== CODE & PREFORMATTED ========== */
code {
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  background-color: var(--color-background-alt);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
}

pre {
  background-color: var(--color-background-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* ========== BLOCKQUOTE ========== */
blockquote {
  border-left: 4px solid var(--color-secondary-sage);
  padding-left: var(--spacing-lg);
  margin-left: 0;
  margin-bottom: var(--spacing-lg);
  font-style: italic;
  color: var(--color-text-secondary);
}

/* ========== IMAGES & MEDIA ========== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

svg {
  max-width: 100%;
  height: auto;
}

figure {
  margin-bottom: var(--spacing-lg);
}

figcaption {
  font-size: var(--font-size-body-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

/* ========== FORM RESETS ========== */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

input:focus,
textarea:focus,
select:focus,
button:focus {
  outline: 2px solid var(--color-primary-dark-blue);
  outline-offset: 2px;
}

/* ========== TABLE STYLES ========== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
}

th {
  background-color: var(--color-background-alt);
  padding: var(--spacing-md);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  border-bottom: 2px solid var(--color-border-light);
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
}

tr:last-child td {
  border-bottom: none;
}

/* ========== UTILITY CLASSES ========== */

/* Display utilities */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Text utilities */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-light {
  color: var(--color-text-light);
}

.text-inverse {
  color: var(--color-text-inverse);
}

.text-primary {
  color: var(--color-primary-navy);
}

.text-secondary {
  color: var(--color-secondary-sage);
}

.text-error {
  color: var(--color-error);
}

.text-success {
  color: var(--color-success);
}

.text-warning {
  color: var(--color-warning);
}

/* Font weight utilities */
.font-light {
  font-weight: var(--font-weight-light);
}

.font-regular {
  font-weight: var(--font-weight-regular);
}

.font-medium {
  font-weight: var(--font-weight-medium);
}

.font-semibold {
  font-weight: var(--font-weight-semibold);
}

.font-bold {
  font-weight: var(--font-weight-bold);
}

/* Margin utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Padding utilities */
.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* ========== TOP GRADIENT BAR ========== */
/* Rainbow bar positioned fixed at top of all pages */
.rainbow-bar,
.gradient-bar {
  height: 6px;
  background: linear-gradient(to right, #6ECF6E, #00B4CC, #D4A537, #E07A5F, #6B4C9A);
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10000;
  pointer-events: none;
}

/* ========== HUE GRADIENT DIVIDERS & BORDERS ========== */

/* Horizontal divider with bright hue gradient (vibrant features/data) */
.hue-divider {
  height: 2px;
  background: var(--gradient-hue-bright);
  border: none;
  margin: var(--spacing-2xl) 0;
  opacity: 0.8;
}

.hue-divider.subtle {
  height: 1px;
  opacity: 0.5;
  margin: var(--spacing-xl) 0;
  background: var(--gradient-hue-subtle);
}

.hue-divider.thick {
  height: 3px;
  opacity: 0.9;
  margin: var(--spacing-3xl) 0;
}

.hue-divider.muted {
  background: var(--gradient-hue-subtle);
  opacity: 0.6;
}

/* Bordered element with bright hue gradient border */
.hue-border {
  border: 2px solid;
  border-image: var(--gradient-hue-bright) 1;
}

.hue-border.top {
  border: none;
  border-top: 2px solid;
  border-image: var(--gradient-hue-bright) 1;
}

.hue-border.bottom {
  border: none;
  border-bottom: 2px solid;
  border-image: var(--gradient-hue-bright) 1;
}

.hue-border.left {
  border: none;
  border-left: 4px solid;
  border-image: var(--gradient-hue-bright) 1;
}

.hue-border.muted {
  border-image: var(--gradient-hue-subtle) 1;
}

/* Accent line (decorative) */
.accent-line {
  width: 60px;
  height: 3px;
  background: var(--gradient-hue-bright);
  margin-bottom: var(--spacing-lg);
}

.accent-line.sage {
  background: var(--color-secondary-sage);
}

.accent-line.gold {
  background: var(--color-secondary-gold);
}

.accent-line.pop-green {
  background: var(--color-pop-green);
}

.accent-line.pop-teal {
  background: var(--color-pop-teal);
}

.accent-line.pop-gold {
  background: var(--color-pop-gold);
}

.accent-line.pop-coral {
  background: var(--color-pop-coral);
}

.accent-line.pop-purple {
  background: var(--color-pop-purple);
}

.accent-line.center {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-lg);
}

/* ========== BACKGROUND UTILITIES ========== */

.bg-primary {
  background-color: var(--color-primary-black);
  color: var(--color-text-inverse);
}

.bg-secondary {
  background-color: var(--color-primary-navy);
  color: var(--color-text-inverse);
}

.bg-cream {
  background-color: var(--color-primary-cream);
  color: var(--color-text-primary);
}

.bg-light {
  background-color: var(--color-background-alt);
}

.bg-sage-gradient {
  background: var(--gradient-subtle-sage);
}

.bg-gold-gradient {
  background: var(--gradient-subtle-gold);
}

/* ========== CONTAINER ========== */
.container {
  width: 100%;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--spacing-2xl);
    padding-right: var(--spacing-2xl);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--spacing-3xl);
    padding-right: var(--spacing-3xl);
  }
}

/* ========== SECTION SPACING ========== */
section {
  padding: var(--section-padding-mobile);
}

@media (min-width: 768px) {
  section {
    padding: var(--section-padding-tablet);
  }
}

@media (min-width: 1024px) {
  section {
    padding: var(--section-padding-desktop);
  }
}

/* ========== RESPONSIVE GRID ========== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ========== POP COLOR UTILITIES (bright accents for features/data) ========== */

.text-pop-green {
  color: var(--color-pop-green);
}

.text-pop-teal {
  color: var(--color-pop-teal);
}

.text-pop-gold {
  color: var(--color-pop-gold);
}

.text-pop-coral {
  color: var(--color-pop-coral);
}

.text-pop-purple {
  color: var(--color-pop-purple);
}

.bg-pop-green {
  background-color: var(--color-pop-green);
  color: white;
}

.bg-pop-teal {
  background-color: var(--color-pop-teal);
  color: white;
}

.bg-pop-gold {
  background-color: var(--color-pop-gold);
  color: white;
}

.bg-pop-coral {
  background-color: var(--color-pop-coral);
  color: white;
}

.bg-pop-purple {
  background-color: var(--color-pop-purple);
  color: white;
}

/* Border utilities with pop colors */
.border-pop-green {
  border-color: var(--color-pop-green);
}

.border-pop-teal {
  border-color: var(--color-pop-teal);
}

.border-pop-gold {
  border-color: var(--color-pop-gold);
}

.border-pop-coral {
  border-color: var(--color-pop-coral);
}

.border-pop-purple {
  border-color: var(--color-pop-purple);
}

/* ========== PRINT STYLES ========== */
@media print {
  body {
    background: white;
  }

  a {
    text-decoration: underline;
  }

  .no-print {
    display: none;
  }
}