/**
 * COMPONENTS.CSS
 * Reusable UI components: buttons, cards, navigation, and common patterns
 *
 * Components are self-contained, reusable pieces of UI.
 * They should work in any context and not depend on their parent container.
 */

/* =============================
   BUTTONS
   Primary interaction elements
   ============================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

/* Large button variant */
.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
}

/* Primary button: Sun-colored, for main CTAs */
.btn-primary {
  background-color: var(--color-sun);
  border-color: var(--color-sun);
  color: var(--color-navy);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background-color: var(--color-sun-bright);
  border-color: var(--color-sun-bright);
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline-offset: 4px;
}

/* Outline button: Secondary actions */
.btn-outline {
  background-color: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.btn-outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* White button: For dark backgrounds */
.btn-white {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-navy);
}

.btn-white:hover {
  background-color: transparent;
  color: var(--color-white);
}

/* Disabled state */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* =============================
   CARDS
   Content containers with borders and shadows
   ============================= */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  color: var(--color-navy);
}

.card p {
  font-size: var(--text-sm);
}

/* Card icons: Circular or rounded icon containers */
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

/* Base icon class for SVG sprite usage */
.icon {
  width: 24px;
  height: 24px;
  display: inline-block;
  vertical-align: middle;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-sm {
  width: 20px;
  height: 20px;
}

.icon-lg {
  width: 28px;
  height: 28px;
}

.icon-xl {
  width: 48px;
  height: 48px;
}

/* Icon color variants */
.card-icon-sun,
.icon-sun {
  background-color: var(--color-sun-pale);
  color: var(--color-sun);
}

.card-icon-teal,
.icon-teal {
  background-color: rgba(42, 125, 125, 0.1);
  color: var(--color-teal);
}

.card-icon-forest,
.icon-forest {
  background-color: rgba(61, 107, 79, 0.1);
  color: var(--color-forest);
}

.icon-terracotta {
  background-color: rgba(199, 93, 58, 0.1);
  color: var(--color-terracotta);
}

/* Mission cards: Centered content with more padding */
.mission-card {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

/* Program cards: Horizontal layout with icon */
.program-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.program-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.program-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
}

.program-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
  color: var(--color-navy);
}

.program-card p {
  font-size: var(--text-sm);
}

/* Programs grid: 2-column layout */
.programs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

@media (min-width: 600px) {
  .programs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =============================
   SECTION COMPONENTS
   Styled section backgrounds and headers
   ============================= */

/* Section header: Centered intro text */
.section-header {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* Section CTA: Centered call-to-action at bottom of section */
.section-cta {
  text-align: center;
  margin-top: var(--space-lg);
}

/* Section backgrounds */
.section-warm {
  background-color: var(--color-sun-glow);
}

.section-gold {
  background: linear-gradient(135deg, var(--color-sun-pale), var(--color-sun-light));
}

.section-gold h2,
.section-gold p {
  color: var(--color-navy);
}

/* Stats section: Dark background with impact numbers */
.section-stats {
  background-color: var(--color-navy);
  padding: var(--space-lg) var(--space-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  text-align: center;
}

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

.stat-item {
  color: var(--color-white);
}

.stats-intro {
  color: var(--color-white);
  font-size: var(--text-lg);
}

.stat-number {
  display: block;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-sun);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-xs);
}

/* =============================
   STATS SOURCES
   Small, muted text for citations below stats
   ============================= */
.stats-sources {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-light); /* muted text for readability on dark background */
  text-align: center;
}

.stats-sources a {
  color: var(--color-teal); /* primary link color in body text */
  text-decoration: underline;
  transition: color var(--transition-base);
}

.stats-sources a:hover {
  color: var(--color-teal-dark); /* darker accent on hover */
}


/* Quote section: Testimonials and featured quotes */
.section-quote {
  background-color: var(--color-sun-glow);
}

.featured-quote {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  border: none;
  padding: 0;
}

.featured-quote p {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  color: var(--color-navy);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.featured-quote cite {
  display: block;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  font-style: normal;
}

.get-involved-quote {
  background-color: var(--color-bg);
}

/* Full-width CTA section */
.section-cta-full {
  background: linear-gradient(135deg, var(--color-teal-dark), var(--color-teal));
  text-align: center;
}

.section-cta-full h2 {
  color: var(--color-white);
}

.section-cta-full p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-md);
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

/* =============================
   HERO COMPONENTS
   Page introduction styling
   ============================= */

.hero {
  background-color: var(--color-bg-warm);
}

.hero-tagline {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-sun);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.hero-text {
  max-width: 600px;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.hero-caption {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  font-style: italic;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

/* Centered hero layout (home page) */
.hero-home-centered {
  text-align: center;
}

.hero-brand {
  display: block;
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.hero-home-centered h1 {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.hero-content-centered {
  margin: 0 auto;
}

.hero-content-centered .hero-text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-md);
}

.hero-content-centered .hero-actions {
  justify-content: center;
}

.hero-inline-image {
  width: 100%;
  margin-bottom: var(--space-md);
}

.hero-inline-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* =============================
   SPLIT CONTENT COMPONENTS
   Text and image side-by-side
   ============================= */

.split-text .lead {
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.split-text p {
  margin-bottom: var(--space-md);
}

.split-text .btn {
  margin-top: var(--space-sm);
}

/* Center split-text content on mobile */
@media (max-width: 899px) {
  .split-text {
    text-align: center;
  }
}

/* =============================
   NAVIGATION
   Site header and mobile menu
   ============================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  min-height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  padding-left: var(--space-xs);
  z-index: 101;
}

.logo img {
  height: 40px;
  width: auto;
}

/* Desktop nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links > a:not(.btn) {
  font-weight: 500;
  padding: var(--space-xs) 0;
  transition: color var(--transition-base);
}

.nav-links > a:not(.btn):hover {
  color: var(--color-sun);
}

/* Hamburger - hidden on desktop */
.nav-toggle {
  display: none;
}

.hamburger {
  display: none;
}

/* =============================
   MOBILE NAVIGATION
   ============================= */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1000;
    width: 48px;
    height: 48px;
    margin: 0;
    padding: 0;
    background-color: transparent;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background-color: #2d3e50;
    transition: background-color 0.3s;
  }

  .hamburger::before,
  .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: #2d3e50;
    transition: top 0.3s, transform 0.3s;
  }

  .hamburger::before {
    top: -8px;
  }

  .hamburger::after {
    top: 8px;
  }

  /* X state */
  .nav-toggle.active .hamburger {
    background-color: transparent;
  }

  .nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
  }

  /* Mobile menu */
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999;
    background-color: #ffffff;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 0;
    padding: 0 0 15vh 0;
  }

  .nav-links.open {
    display: flex;
  }

  /* Text links in mobile menu */
  .nav-links > a:not(.btn) {
    font-size: 1.25rem;
    padding: 0.75rem 1rem;
    color: #2d3e50;
  }

  .nav-links > a:not(.btn):hover {
    color: #e8a027;
  }

  /* Donate button in mobile menu */
  .nav-links > .btn {
    margin-top: 0.5rem;
    font-size: 1rem;
    padding: 0.875rem 2rem;
  }
}

/* =============================
   FOOTER
   Site footer styling
   ============================= */

.footer {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.footer strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-white);
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
  /* Ensure adequate touch target */
  display: inline-block;
  padding: 2px 0;
}

.footer a:hover {
  color: var(--color-sun);
}

.footer-tagline {
  font-style: italic;
  color: var(--color-sun);
  margin-top: var(--space-sm);
}

.footer-bottom p {
  font-size: var(--text-sm);
  margin: 0;
}

/* =============================
   CTA COMPONENT
   Centered call-to-action blocks
   ============================= */

.cta {
  text-align: center;
}

.cta p {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-md);
}

/* =============================
   UTILITY COMPONENTS
   ============================= */

.lead {
  font-size: var(--text-lg);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
}