/* ============================================
   GIVINGTUESDAY SWITZERLAND — BASE STYLES
   ============================================ */

/* ——— Reset ——— */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ——— Focus Styles (Accessibility) ——— */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ——— Skip Link ——— */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-primary);
  color: var(--color-text-light);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* ——— Layout Utilities ——— */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

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

.section {
  padding-block: var(--space-section);
}

/* ——— Typography Utilities ——— */
.heading-display {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.015em;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  letter-spacing: -0.01em;
}

.heading-3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

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

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

/* ——— Button System ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.625rem 1.5rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  padding: 0.5rem 0;
}

.btn--ghost:hover {
  opacity: 0.8;
}

.btn--ghost::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

.btn--large {
  padding: 0.75rem 1.75rem;
  font-size: var(--text-sm);
}

/* ——— Card Base ——— */
.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

/* ——— Section Header Pattern ——— */
.section-header {
  max-width: 640px;
  margin-bottom: var(--space-2xl);
}

.section-header.section-header--center {
  margin-inline: auto;
  text-align: center;
}

.section-header__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-header__title {
  margin-bottom: var(--space-sm);
}

.section-header__desc {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
}

/* ——— Copalana Widget Placeholder ——— */
.copalana-widget-placeholder {
  position: relative;
  min-height: 200px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-xl);
  background: var(--color-bg-soft);
}

.copalana-widget-placeholder__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.copalana-widget-placeholder__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
}

.copalana-widget-placeholder__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* ——— Animations ——— */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }
.fade-in-delay-4 { transition-delay: 400ms; }

/* ——— Responsive Utilities ——— */
@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none !important;
  }
}