/* ==========================================================================
   components.css: buttons, pills, giving rows, sheet, carousel, toast…
   Patterns ported from 21st.dev (Drawer + Carousel by wensity, Sonner-style
   toast) to vanilla CSS on our tokens. Feel follows Apple's HIG: respond on
   press, 44px targets, springy release, transform/opacity-only motion.
   ========================================================================== */

/* ---------------------------------- Buttons ---------------------------------- */
.btn {
  --_bg: var(--color-raised);
  --_fg: var(--color-text);
  --_bd: var(--color-border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--btn-h);
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--_bd);
  border-radius: var(--btn-radius);
  background: var(--_bg);
  color: var(--_fg);
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
  transition: transform 380ms var(--spring), background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.btn:active { transform: scale(0.97); transition-duration: 90ms; }
.btn--primary { --_bg: var(--color-primary); --_fg: var(--color-on-primary); --_bd: var(--color-primary); }
.btn--light { --_bg: var(--white); --_fg: var(--color-text); --_bd: var(--white); --color-focus: var(--white); }
.btn--outline-light { --_bg: transparent; --_fg: var(--white); --_bd: var(--grey-600); --color-focus: var(--white); }
.btn--sm { min-height: 40px; padding: var(--space-2) var(--space-4); }
.btn--lg { min-height: 54px; font-size: var(--text-base); }
.btn--block { width: 100%; }
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { --_bg: var(--color-primary-hover); }
  .btn:not(.btn--primary):hover { box-shadow: var(--shadow-2); }
  .btn--light:hover { --_bg: var(--grey-100); }
}


.icon-btn {
  display: inline-grid;
  place-items: center;
  width: var(--tap);
  height: var(--tap);
  border-radius: 50%;
  color: var(--color-text);
  background: var(--color-raised);
  border: 1px solid var(--color-border);
  touch-action: manipulation;
  transition: transform 380ms var(--spring), background-color var(--dur-fast) var(--ease-standard);
}
.icon-btn:active { transform: scale(0.92); transition-duration: 90ms; }
@media (hover: hover) and (pointer: fine) { .icon-btn:hover { background: var(--grey-100); } }

/* ---------------------------------- Pills (badges) ---------------------------------- */
.pills { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 32px;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-raised);
  color: var(--color-text-2);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.3;
}
.pill .icon { width: 1.1em; height: 1.1em; color: var(--color-text); }
.pill--soft { border-color: transparent; background: var(--color-surface); }

/* ---------------------------------- Header ---------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  padding-top: env(safe-area-inset-top);
  background: var(--color-bg);
  transition: background-color var(--dur-slow) var(--ease-standard), box-shadow var(--dur-slow) var(--ease-standard);
}
.site-header.is-scrolled, .site-header.is-menu-open {
  background: var(--header-bg-scrolled);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--color-border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); height: var(--header-h); }
.site-header__logo { display: inline-flex; align-items: center; min-height: var(--tap); border-radius: 50%; flex: none; }
.site-header__logo img { width: auto; height: 42px; }
@media (min-width: 768px) { .site-header__logo img { height: 50px; } }
.site-header__actions { display: flex; align-items: center; gap: var(--space-2); }

.site-nav { display: none; }
.site-nav__list { display: flex; gap: var(--space-1); }
.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding-inline: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-2);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur-fast), background-color var(--dur-fast);
}
@media (hover: hover) { .site-nav__link:hover { color: var(--color-text); background: var(--color-surface); } }

.menu-toggle { display: inline-grid; place-items: center; width: var(--tap); height: var(--tap); border-radius: var(--radius-md); color: var(--color-text); touch-action: manipulation; }
.menu-toggle__bars { display: grid; gap: 6px; width: 20px; }
.menu-toggle__bars span { display: block; height: 2px; border-radius: 2px; background: currentColor; transition: transform var(--dur-slow) var(--ease-out); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
@media (min-width: 768px) { .site-nav { display: block; } .menu-toggle { display: none; } }

.mobile-menu {
  position: fixed;
  top: calc(var(--header-h) + env(safe-area-inset-top));
  left: 0;
  right: 0;
  z-index: var(--z-menu);
  max-height: calc(100dvh - var(--header-h) - env(safe-area-inset-top));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-2) max(var(--gutter), env(safe-area-inset-right)) calc(var(--space-5) + env(safe-area-inset-bottom)) max(var(--gutter), env(safe-area-inset-left));
  background: var(--color-bg);
  border-radius: 0 0 var(--sheet-radius) var(--sheet-radius);
  box-shadow: var(--shadow-3);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-slow) var(--ease-sheet);
}
.mobile-menu.is-open { opacity: 1; transform: none; }
.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding-inline: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.015em;
  text-decoration: none;
}
.mobile-menu__link .icon { color: var(--color-text-3); }
.mobile-menu__scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1); /* under the header, so the menu button stays tappable */
  background: var(--color-scrim);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
  touch-action: none;
}
.mobile-menu__scrim.is-open { opacity: 1; }
@media (min-width: 768px) { .mobile-menu, .mobile-menu__scrim { display: none !important; } }

/* ---------------------------------- Rotating headline word ---------------------------------- */
.rotator { display: inline-grid; vertical-align: top; }
.rotator__word { grid-area: 1 / 1; white-space: nowrap; opacity: 0; transform: translateY(0.5em); transition: opacity 450ms var(--ease-out), transform 600ms var(--ease-out); }
.rotator__word.is-active { opacity: 1; transform: none; }
.rotator__word.is-leaving { opacity: 0; transform: translateY(-0.5em); }

/* ---------------------------------- Giving block + rows ---------------------------------- */
.give {
  --color-focus: var(--white);              /* focus rings must show on the dark block */
  background: var(--color-inverse-2);
  border-radius: var(--block-radius);
  padding: var(--space-3);
  box-shadow: var(--shadow-3);
}
.give .give__title { color: var(--color-on-inverse); font-size: var(--text-xl); }
.give__subtitle { margin-top: var(--space-1); color: var(--color-on-inverse-2); font-size: var(--text-sm); font-weight: 500; }
.give__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); padding: var(--space-2) var(--space-2) var(--space-3); }
.give__title { font-size: var(--text-md); letter-spacing: -0.015em; }
.give__secure { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--text-xs); font-weight: 500; color: var(--color-on-inverse-2); }
.give-grid { display: grid; gap: var(--space-2); }

.give-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  column-gap: var(--space-4);
  min-height: 76px;
  padding: var(--space-3);
  background: var(--color-raised);
  border-radius: var(--row-radius);
  color: var(--color-text);
  text-decoration: none;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  box-shadow: var(--shadow-1);
  transition: transform 420ms var(--spring), box-shadow var(--dur-base) var(--ease-standard);
}
.give-card:active { transform: scale(0.97); transition-duration: 100ms; }
.give-card__mark { display: grid; place-items: center; width: 48px; height: 48px; padding: 11px; border-radius: 14px; background: var(--color-surface); }
.give-card__mark img, .give-card__mark picture { width: 100%; height: 100%; object-fit: contain; }
.give-card__body { display: grid; gap: 2px; min-width: 0; }
.give-card__title { font-size: var(--text-md); font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; }
.give-card__where { font-size: var(--text-sm); color: var(--color-text-3); line-height: 1.35; }
.give-card__go {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text);
  transition: background-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.give-card__go .icon { width: 18px; height: 18px; transition: transform var(--dur-slow) var(--ease-out); }
.give-card:hover .give-card__go, .give-card:focus-visible .give-card__go { background: var(--color-primary); color: var(--color-on-primary); }
.give-card:focus-visible { outline-offset: 2px; border-radius: var(--row-radius); }
@media (hover: hover) and (pointer: fine) {
  .give-card:hover { box-shadow: var(--shadow-2); transform: translateY(-2px); }
  .give-card:hover .give-card__go .icon { transform: rotate(45deg); }
  .give-card:hover:active { transform: scale(0.98); }
}

/* ---------------------------------- Carousel ---------------------------------- */
.carousel { position: relative; }
.carousel__viewport {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: calc(var(--block-radius) - 10px);
  background: var(--color-surface-2);
  touch-action: pan-y pinch-zoom;   /* browser keeps vertical scrolling; we own horizontal */
  isolation: isolate;
  -webkit-user-select: none;
  user-select: none;
}
.carousel__track { display: flex; height: 100%; will-change: transform; cursor: grab; }
.carousel.is-dragging .carousel__track { cursor: grabbing; }
.carousel__slide { position: relative; flex: 0 0 100%; height: 100%; overflow: hidden; }
.carousel__slide picture, .carousel__slide img, .carousel__noscript { width: 100%; height: 100%; object-fit: cover; -webkit-user-drag: none; pointer-events: none; }
.carousel__caption {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  max-width: calc(100% - var(--space-6));
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.8;
}
.carousel__controls { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-3); }
.carousel__dots { display: none; align-items: center; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 auto 0 var(--space-1); }
.carousel__dot { display: grid; place-items: center; width: 24px; height: var(--tap); touch-action: manipulation; }
.carousel__dot::before { content: ""; width: 7px; height: 7px; border-radius: var(--radius-pill); background: var(--grey-300); transition: transform var(--dur-slow) var(--ease-out), background-color var(--dur-slow); }
.carousel__dot[aria-current="true"]::before { background: var(--color-text); transform: scaleX(2.4); }
.carousel__counter { margin-right: auto; padding-left: var(--space-2); color: var(--color-text-3); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.carousel__arrows { display: flex; gap: var(--space-2); }
@media (min-width: 480px) {
  .carousel:not(.has-many) .carousel__dots { display: flex; }
  .carousel:not(.has-many) .carousel__counter { display: none; }
}

.projects-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 56px;
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-5);
  border-radius: var(--row-radius);
  background: var(--color-raised);
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
  transition: transform 380ms var(--spring), box-shadow var(--dur-base);
}
.projects-link__go { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary); color: var(--color-on-primary); }
.projects-link__go .icon { width: 18px; height: 18px; transition: transform var(--dur-slow) var(--ease-out); }
.projects-link:active { transform: scale(0.98); transition-duration: 90ms; }
@media (hover: hover) and (pointer: fine) {
  .projects-link:hover { box-shadow: var(--shadow-2); }
  .projects-link:hover .projects-link__go .icon { transform: rotate(45deg); }
}

/* ---------------------------------- Small text bits ---------------------------------- */
.hint { color: var(--color-text-3); font-size: var(--text-sm); line-height: 1.45; }
.hint:empty { display: none; }
.notice { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-3) var(--space-4); border-radius: var(--radius-lg); background: var(--color-surface); color: var(--color-text); font-size: var(--text-sm); line-height: 1.45; }
.notice .icon { margin-top: 1px; }

/* ---------------------------------- Sheet / modal ----------------------------------
   Phone: bottom sheet with grabber + swipe down to dismiss (sheet.js).
   ≥640px: centred modal. */
.sheet { position: fixed; inset: 0; z-index: var(--z-sheet); display: flex; align-items: flex-end; justify-content: center; }
.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: var(--color-scrim);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--dur-sheet) var(--ease-sheet);
  touch-action: none;
}
.sheet__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--sheet-max-w);
  max-height: calc(100dvh - max(env(safe-area-inset-top), 12px) - 12px);
  background: var(--color-bg);
  border-radius: var(--sheet-radius) var(--sheet-radius) 0 0;
  box-shadow: var(--shadow-3);
  transform: translate3d(0, 100%, 0);
  transition: transform var(--dur-sheet) var(--ease-sheet);
  outline: none;
  will-change: transform;
}
/* Sheet colour continues below the screen edge, so pulling up never shows a gap */
.sheet__panel::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 50vh; background: var(--color-bg); }
.sheet.is-open .sheet__backdrop { opacity: 1; }
.sheet.is-open .sheet__panel { transform: none; }
.sheet.is-dragging .sheet__panel, .sheet.is-dragging .sheet__backdrop { transition: none; }

.sheet__grabber { display: flex; justify-content: center; padding-top: var(--space-2); touch-action: none; cursor: grab; }
.sheet__grabber span { width: 36px; height: 5px; border-radius: var(--radius-pill); background: var(--grey-300); }
.sheet__header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4) var(--space-3) var(--space-5); touch-action: none; }
.sheet__mark { display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border-radius: 14px; background: var(--color-surface); }
.sheet__mark img, .sheet__mark picture { width: 100%; height: 100%; object-fit: contain; }
.sheet__title { font-size: var(--text-lg); }
.sheet__subtitle { color: var(--color-text-3); font-size: var(--text-sm); }
.sheet__close { background: var(--color-surface); border-color: transparent; }
.sheet__body {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-5) calc(var(--space-5) + env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
}
.sheet__lead { text-wrap: pretty; }
.sheet__help { font-size: var(--text-sm); color: var(--color-text-3); text-align: center; }
.sheet__help a { display: inline-flex; align-items: center; min-height: var(--tap); padding-inline: var(--space-1); font-weight: 600; }

@media (min-width: 640px) {
  .sheet { align-items: center; padding: var(--space-5); }
  .sheet__panel {
    border-radius: var(--sheet-radius);
    max-height: calc(100dvh - var(--space-6));
    opacity: 0;
    transform: translate3d(0, 16px, 0) scale(0.96);
    transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  }
  .sheet__panel::after, .sheet__grabber { display: none; }
  .sheet.is-open .sheet__panel { opacity: 1; }
  .sheet__header { padding-top: var(--space-5); touch-action: auto; }
}

/* UPI */
.upi-apps { display: grid; gap: var(--space-2); }
.app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
.app-btn {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: var(--space-2);
  min-height: 84px;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 600;
  text-align: center;
  touch-action: manipulation;
  transition: transform 380ms var(--spring), background-color var(--dur-fast);
}
.app-btn:active { transform: scale(0.95); transition-duration: 90ms; }
.app-btn img, .app-btn picture, .app-btn svg { width: 30px; height: 30px; object-fit: contain; }
@media (hover: hover) { .app-btn:hover { background: var(--color-surface-2); } }

.qr-block { border-radius: var(--radius-lg); background: var(--color-surface); }
.qr-block__summary {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 52px;
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-lg);
}
.qr-block__summary::-webkit-details-marker { display: none; }
.qr-block__chev { margin-left: auto; transition: transform var(--dur-slow) var(--ease-out); }
.qr-block[open] .qr-block__chev { transform: rotate(180deg); }
.qr-block__content { display: grid; gap: var(--space-3); padding: 0 var(--space-4) var(--space-4); }
.qr-block__img {
  width: min(100%, 220px, 34vh);
  aspect-ratio: 1;
  margin-inline: auto;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: var(--white);
  image-rendering: pixelated;
}
.qr-block__intro { color: var(--color-text-3); font-size: var(--text-sm); text-align: center; }
/* Desktop: the QR is the main path, shown open */
.qr-block.is-primary .qr-block__summary { display: none; }
.qr-block.is-primary .qr-block__content { padding-top: var(--space-4); }

.email-row { display: grid; gap: var(--space-2); justify-items: start; padding: var(--space-4); border-radius: var(--radius-lg); background: var(--color-surface); }
.email-row__label { font-size: var(--text-sm); color: var(--color-text-3); }
.email-row__value { font-weight: 600; font-size: var(--text-md); color: var(--color-text); -webkit-user-select: all; user-select: all; }

/* ---------------------------------- Contact cards (colours set in tokens.css → --contact-*) ---------------------------------- */
.contact-card, .contact-card__hit { display: grid; align-content: start; gap: var(--space-1); min-width: 0; }
.contact-card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--block-radius);
  background: var(--contact-bg);
  color: var(--contact-text);
}
.contact-card--link { padding: 0; transition: background-color var(--dur-base); }
.contact-card__hit { height: 100%; padding: var(--space-5); border-radius: inherit; color: inherit; text-decoration: none; touch-action: manipulation; transition: transform 380ms var(--spring); }
.contact-card__hit:active { transform: scale(0.98); transition-duration: 90ms; }
.contact-card__icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: var(--space-5); border-radius: 14px; background: var(--contact-icon-bg); color: var(--contact-text); }
.contact-card__icon--wa { color: var(--contact-whatsapp); }
.contact-card__label { font-size: var(--text-sm); color: var(--contact-label); }
.contact-card__value { font-size: var(--text-md); font-weight: 600; color: var(--contact-text); letter-spacing: -0.01em; }
.contact-card__copy { position: absolute; top: var(--space-5); right: var(--space-5); background: var(--contact-icon-bg); border-color: transparent; color: var(--contact-text); --color-focus: var(--contact-focus); }
@media (hover: hover) and (pointer: fine) {
  .contact-card--link:hover, .contact-card__copy:hover { background: var(--contact-bg-hover); }
}

/* ---------------------------------- Social ---------------------------------- */
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-2) var(--space-5) var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  touch-action: manipulation;
  transition: transform 380ms var(--spring), background-color var(--dur-fast);
}
.social-btn .icon { width: 20px; height: 20px; }
.social-btn:active { transform: scale(0.96); transition-duration: 90ms; }
@media (hover: hover) and (pointer: fine) { .social-btn:hover { background: var(--color-surface); } }

/* ---------------------------------- Floating donate pill (phones) ---------------------------------- */
.fab {
  position: fixed;
  left: 50%;
  bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  z-index: var(--z-fab);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 52px;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow-3);
  opacity: 0;
  transform: translate3d(-50%, 24px, 0) scale(0.9);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform 420ms var(--spring);
}
.fab.is-visible { opacity: 1; transform: translate3d(-50%, 0, 0); pointer-events: auto; }
.fab.is-visible:active { transform: translate3d(-50%, 0, 0) scale(0.95); transition-duration: 90ms; }
.is-locked .fab { opacity: 0; pointer-events: none; }
@media (min-width: 768px) { .fab { display: none; } }

/* ---------------------------------- Toast ---------------------------------- */
.toast-region { position: fixed; left: 50%; bottom: calc(var(--space-5) + env(safe-area-inset-bottom)); z-index: var(--z-toast); display: grid; justify-items: center; width: max-content; max-width: calc(100vw - var(--space-6)); transform: translateX(-50%); pointer-events: none; }
.toast {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5) var(--space-3) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--toast-bg);
  color: var(--toast-fg);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-3);
  opacity: 0;
  transform: translate3d(0, 16px, 0) scale(0.96);
  transition: opacity var(--dur-base) var(--ease-out), transform 420ms var(--spring);
}
.toast.is-in { opacity: 1; transform: none; }
.toast.is-out { opacity: 0; transform: translate3d(0, 8px, 0) scale(0.98); }

/* ---------------------------------- Accessibility preferences ---------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .btn, .icon-btn, .give-card, .projects-link, .app-btn, .social-btn, .contact-card__hit { transition-property: background-color, border-color, box-shadow, color; }
  .btn:active, .icon-btn:active, .give-card:active, .app-btn:active, .social-btn:active, .projects-link:active, .contact-card__hit:active, .give-card:hover { transform: none; }
  .sheet__panel { transform: none !important; opacity: 0; transition: opacity var(--dur-base) linear; }
  .sheet.is-open .sheet__panel { opacity: 1; }
  .mobile-menu, .toast, .toast.is-out { transform: none !important; }
  .fab, .fab.is-visible, .fab.is-visible:active { transform: translate3d(-50%, 0, 0); }
  .rotator__word, .rotator__word.is-leaving { transform: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .site-header.is-scrolled, .site-header.is-menu-open { background: var(--color-bg); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .sheet__backdrop, .carousel__caption { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .carousel__caption { background: var(--white); }
}
@media (prefers-contrast: more) {
  :root { --color-text-2: var(--grey-950); --color-text-3: var(--grey-700); --color-text-accent: var(--grey-600); }
  .give-card, .contact-card, .pill, .sheet__panel { outline: 1px solid var(--grey-700); }
}