/* ==========================================================================
   Better Tomorrow Trust — Component library
   Buttons · badges · cards · nav · footer · stats · testimonials · donate bar
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--blue-700);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-weight: var(--fw-semibold); font-size: var(--fs-small);
  line-height: 1; text-align: center; white-space: nowrap;
  padding: 0.95rem 1.6rem; border: 1px solid transparent; border-radius: var(--radius-pill);
  background: var(--btn-bg); color: var(--btn-fg); cursor: pointer;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.btn:hover { color: var(--btn-fg); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn:active { transform: translateY(0); }
.btn svg { width: 1.1em; height: 1.1em; }

.btn--primary { --btn-bg: var(--blue-700); }
.btn--primary:hover { background: var(--blue-600); }
.btn--donate { --btn-bg: var(--red-600); }
.btn--donate:hover { background: var(--red-700); }
.btn--gold { --btn-bg: var(--green-600); --btn-fg: var(--blue-900); }
.btn--gold:hover { background: var(--green-500); }
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--blue-700);
  border-color: var(--line-strong);
}
.btn--ghost:hover { --btn-fg: var(--blue-700); background: var(--blue-050); border-color: var(--blue-300); box-shadow: var(--shadow-sm); }
.btn--on-dark { --btn-bg: rgba(255,255,255,0.12); --btn-fg: #fff; border-color: rgba(255,255,255,0.25); backdrop-filter: blur(6px); }
.btn--on-dark:hover { background: rgba(255,255,255,0.2); }
.btn--lg { padding: 1.15rem 2rem; font-size: var(--fs-body); }
.btn--block { display: flex; width: 100%; }

/* Button row — global so it works on every page (footer CTA, cta-band, heroes).
   align-items:center keeps icon + non-icon buttons perfectly aligned. */
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }

/* Text link with animated arrow */
.link-arrow { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: var(--fw-semibold); }
.link-arrow svg { width: 1.15em; height: 1.15em; flex-shrink: 0; transition: transform var(--dur) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Badges / pills ---------- */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-eyebrow); font-weight: var(--fw-semibold); letter-spacing: 0.02em;
  padding: 0.35rem 0.8rem; border-radius: var(--radius-pill);
  background: var(--blue-100); color: var(--blue-700);
}
.badge--gold { background: var(--green-100); color: var(--green-700); }
.badge--upcoming { background: var(--success-100); color: var(--success-600); }
.badge--past { background: var(--surface-3); color: var(--ink-500); }
.badge--dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.card--interactive:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-200); }
.card__icon {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: var(--radius);
  background: var(--blue-100); color: var(--blue-700); margin-bottom: var(--space-4);
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.card p { color: var(--color-text-muted); font-size: var(--fs-small); }

/* ---------- Stat / animated counter ---------- */
.stat { text-align: center; }
.stat__num {
  font-family: var(--font-display); font-weight: var(--fw-bold);
  font-size: clamp(2.5rem, 1.5rem + 3vw, 3.75rem); line-height: 1; color: var(--blue-700);
  letter-spacing: var(--ls-tight);
}
.section--dark .stat__num { color: var(--green-500); }
.stat__label { margin-top: var(--space-2); font-size: var(--fs-small); color: var(--color-text-muted); }
.section--dark .stat__label { color: #c2c8e4; }

/* ---------- Testimonial card ---------- */
.quote-card { display: flex; flex-direction: column; gap: var(--space-4); height: 100%; }
.quote-card__logo { height: 40px; width: auto; object-fit: contain; filter: none; }
.quote-card blockquote { font-size: var(--fs-lead); line-height: 1.5; color: var(--ink-900); font-weight: var(--fw-medium); }
.quote-card__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.quote-card__who { font-size: var(--fs-small); color: var(--color-text-muted); }
.quote-card__who strong { display: block; color: var(--ink-900); }
.quote-card__grant { font-family: var(--font-display); color: var(--green-700); font-size: var(--fs-h4); white-space: nowrap; }

/* ---------- Partner / sponsor logo chips (home + events) ----------
   White chips normalise mixed logo backgrounds (Optinet ships on white). */
.partner-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-4); }
.partner-logos a,
.partner-logos > span {
  display: grid; place-items: center; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: var(--space-4) var(--space-6); min-width: 190px; min-height: 92px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.partner-logos a:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--blue-200); }
.partner-logos img { max-height: 42px; max-width: 160px; width: auto; object-fit: contain; }

/* Even grid for larger logo sets (e.g. the six founding event partners), so
   nothing wraps to a lonely offset row and wide/compact logos still align. */
.partner-logos--grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); max-width: 760px; margin-inline: auto; }
.partner-logos--grid > span { min-width: 0; }
.partner-logos--grid img { max-height: 52px; max-width: 180px; }
@media (max-width: 640px) { .partner-logos--grid { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   Header / navigation
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: rgba(255,255,255,0.82); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); height: 76px; }
.nav__brand { display: inline-flex; align-items: center; gap: var(--space-3); flex-shrink: 0; font-family: var(--font-display); font-size: 1.25rem; color: var(--blue-900); }
.nav__brand img { height: 50px; width: auto; flex-shrink: 0; }
.nav__links { display: flex; align-items: center; gap: var(--space-1); list-style: none; }
.nav__links a {
  display: inline-block; padding: 0.55rem 0.8rem; border-radius: var(--radius-sm);
  font-size: var(--fs-small); font-weight: var(--fw-medium); color: var(--ink-700);
  white-space: nowrap; /* keep "Grants Awarded" / "Get Involved" on one line */
}
.nav__links a:hover { color: var(--blue-700); background: var(--blue-050); }
.nav__links a[aria-current="page"] { color: var(--blue-700); font-weight: var(--fw-semibold); }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
/* Filled LinkedIn-brand-blue badge so it's instantly recognisable */
.nav__linkedin {
  display: grid; place-items: center; width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 50%; color: #fff; background: #0a66c2; border: 1px solid #0a66c2;
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.nav__linkedin:hover { background: #004182; border-color: #004182; color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.nav__linkedin svg { width: 22px; height: 22px; }
.nav__toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff; align-items: center; justify-content: center; }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after { content: ""; display: block; width: 20px; height: 2px; background: var(--ink-900); border-radius: 2px; transition: transform var(--dur) var(--ease-out), opacity var(--dur); }
.nav__toggle span::before { transform: translateY(-6px); }
.nav__toggle span::after { transform: translateY(4px); }
.nav[data-open="true"] .nav__toggle span { background: transparent; }
.nav[data-open="true"] .nav__toggle span::before { transform: rotate(45deg); }
.nav[data-open="true"] .nav__toggle span::after { transform: rotate(-45deg) translateY(-1px); }

@media (max-width: 1000px) {
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: var(--space-4) var(--gutter) var(--space-6);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
  }
  .nav[data-open="true"] .nav__links { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links a { padding: var(--space-4) var(--space-3); border-radius: var(--radius-sm); font-size: var(--fs-body); }
  .nav__actions .btn--ghost { display: none; }
}

/* Small screens: drop header donate (sticky bottom bar covers it), shrink brand */
@media (max-width: 600px) {
  .nav { height: 66px; }
  .nav__brand { font-size: 1.05rem; }
  .nav__actions .btn--donate { display: none; }
  .nav__links { inset-block-start: 66px; }
}

/* ==========================================================================
   Sticky donate bar (mobile) + floating donate (desktop)
   ========================================================================== */
.donate-fab {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: var(--z-overlay);
  box-shadow: var(--shadow-glow);
  opacity: 0; transform: translateY(16px) scale(0.96); pointer-events: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.donate-fab.is-shown { opacity: 1; transform: none; pointer-events: auto; }
@media (max-width: 600px) {
  /* Header donate is hidden on mobile, so keep the donate bar always available */
  .donate-fab { left: var(--space-4); right: var(--space-4); opacity: 1; transform: none; pointer-events: auto; }
  .donate-fab .btn { width: 100%; }
  /* Reserve space so the fixed donate bar never covers the last lines of a page/footer */
  body { padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px)); }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--grad-hero); color: #c2c8e4; padding-block: var(--space-9) var(--space-6); }
.footer-cta {
  background: var(--grad-brand); border-radius: var(--radius-xl); padding: clamp(2rem, 5vw, 4rem);
  text-align: center; color: #fff; box-shadow: var(--shadow-lg); margin-bottom: var(--space-9);
}
.footer-cta h2 { color: #fff; margin-bottom: var(--space-3); }
.footer-cta p { color: #dfe4fb; max-width: 560px; margin-inline: auto; margin-bottom: var(--space-6); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-7); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: #fff; font-family: var(--font-body); font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--space-4); }
.footer-grid ul { list-style: none; display: grid; gap: var(--space-2); }
.footer-grid a { color: #c2c8e4; font-size: var(--fs-small); }
.footer-grid a:hover { color: #fff; }
.footer__brand img { height: 46px; margin-bottom: var(--space-4); }
.footer__brand p { font-size: var(--fs-small); max-width: 34ch; }
.footer__bottom { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; margin-top: var(--space-8); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,0.12); font-size: var(--fs-small); color: #8b90ab; }
.footer__badges { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.footer__social { display: flex; gap: var(--space-3); }
.footer__social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); color: #fff; }
.footer__social a:hover { background: var(--blue-500); }

/* ==========================================================================
   Shared components used across home + interior pages.
   These MUST live here (global), not in a per-page stylesheet, so every page
   that uses them is styled. (Moved out of pages/home.css.)
   ========================================================================== */
.stats-row { gap: var(--space-4); }
.card .badge { margin-bottom: var(--space-3); }
.section-cta { display: flex; justify-content: center; margin-top: var(--space-7); }

/* Featured event card (home + /events/) */
.event-feature { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 0; padding: 0; overflow: hidden; }
.event-feature__media { position: relative; min-height: 300px; background: var(--grad-brand); }
.event-feature__media::after { content:""; position:absolute; inset:0; background: radial-gradient(80% 80% at 30% 20%, rgba(255,255,255,0.15), transparent); }
.event-feature__badge { position: absolute; top: var(--space-4); left: var(--space-4); z-index: 1; }
.event-feature__body { padding: clamp(1.75rem, 4vw, 3rem); }
.event-feature__date { color: var(--color-primary); font-weight: var(--fw-semibold); font-size: var(--fs-small); margin-bottom: var(--space-3); }
.event-feature__body h3 { font-size: var(--fs-h2); margin-bottom: var(--space-4); }
.event-feature__body p { color: var(--color-text-muted); max-width: 52ch; }
.event-feature__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-6); }
.event-feature__media--logo { background: #fff; display: grid; place-items: center; padding: var(--space-6); }
.event-feature__media--logo::after { display: none; }
.event-feature__media--logo img { max-width: 84%; max-height: 84%; object-fit: contain; }
@media (max-width: 800px) { .event-feature { grid-template-columns: 1fr; } .event-feature__media { min-height: 160px; } .event-feature__media--logo { min-height: 220px; } }

/* Testimonial quote mark (home carousel + /testimonials/) */
.quote-card__mark { width: 34px; height: 34px; color: var(--blue-300); }

/* Support cards (home + donate + get-involved + 404) */
.support-card { display: flex; flex-direction: column; }
.support-card .link-arrow { margin-top: var(--space-4); color: var(--blue-700); font-size: var(--fs-small); }

/* Logo wall text fallback (home + /events/) */
.logo-wall__text { font-family: var(--font-display); font-size: 1.5rem; color: var(--ink-400); text-align: center; transition: color var(--dur) var(--ease-out); }
.logo-wall__text:hover { color: var(--blue-700); }

/* FAQ accordion (home + donate) */
.faq { display: grid; gap: var(--space-3); }
.faq__item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq__item summary { list-style: none; cursor: pointer; padding: var(--space-5); font-family: var(--font-display); font-size: var(--fs-h4); color: var(--blue-900); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-family: var(--font-body); font-weight: 400; font-size: 1.6rem; color: var(--blue-500); transition: transform var(--dur) var(--ease-out); line-height: 1; }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__body { padding: 0 var(--space-5) var(--space-5); color: var(--color-text-muted); }
.faq__item[open] summary { color: var(--blue-700); }