/* ============================================================
   LUMEN — Site components (nav, footer, buttons, cards, motion)
   Loads after colors_and_type.css on every page.
   ============================================================ */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent-soft); color: var(--ink); }

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(56px, 11vw, 128px); }
.section-tight { padding-block: clamp(40px, 7vw, 80px); }

.rule { height: 3px; background: var(--line-strong); border: 0; }
.rule-thin { height: 1px; background: var(--line); border: 0; }

/* ============== NAV ============== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 14px var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 30px; height: 30px; object-fit: contain; }
.brand .wm {
  font-family: var(--serif); font-weight: 700; font-size: 1.5rem;
  letter-spacing: -0.01em; color: var(--ink); line-height: 1;
}
.brand .wm-sub {
  font-family: var(--sans); font-weight: 600; font-size: 0.6rem;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--accent-deep);
  margin-left: 2px; align-self: flex-end; padding-bottom: 3px;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 0.95rem; font-weight: 500; color: var(--ink-2);
  padding: 9px 14px; border-radius: var(--r-pill);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--cream-2); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ""; display: block; height: 2px; width: 18px; margin: 3px auto 0;
  background: var(--accent); border-radius: 2px;
}
.nav-cta {
  font-size: 0.9rem; font-weight: 600;
  padding: 9px 18px !important; border-radius: var(--r-pill);
  background: var(--ink); color: var(--on-dark) !important;
}
.nav-cta:hover { background: var(--accent-deep); color: #fff !important; }
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 42px; height: 42px; align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 22px; height: 2px; background: var(--ink);
  position: relative; transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after  { position: absolute; top: 7px; }
body.menu-open .nav-toggle span { background: transparent; }
body.menu-open .nav-toggle span::before { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-toggle span::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--cream); border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 24px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  body.menu-open .nav-links { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 6px; font-size: 1.05rem; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav-links a.active::after { margin: 6px 0 0; }
  .nav-cta { margin-top: 14px; text-align: center; }
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--sans); font-weight: 600; font-size: 0.98rem;
  padding: 14px 26px; border-radius: var(--r-pill); cursor: pointer;
  border: 1px solid transparent; transition: transform 0.2s var(--ease),
    background 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary { background: var(--ink); color: var(--on-dark); }
.btn-primary:hover { background: var(--accent-deep); color: #fff; box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: var(--ink); }
.btn-accent:hover { filter: brightness(1.05); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
.btn-donate {
  background: #009cde; color: #fff; border-color: transparent;
}
.btn-donate:hover { background: #0077b3; box-shadow: var(--shadow-md); }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; color: var(--accent-deep); font-size: 0.98rem;
}
.link-arrow .arrow { transition: transform 0.25s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ============== CARDS ============== */
.card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-md); overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }

.imgslot {
  position: relative; background:
    radial-gradient(120% 120% at 30% 20%, var(--cream-2), var(--cream-3));
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.imgslot::after {
  content: attr(data-label);
  position: absolute; bottom: 12px; left: 12px;
  font-family: var(--sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-3);
}
.imgslot img.lemon { width: 38px; height: 38px; opacity: 0.5; object-fit: contain; }

.eyebrow-row { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.eyebrow-row::before { content: ""; width: 26px; height: 2px; background: var(--accent); }

/* ============== FOOTER ============== */
.footer { background: var(--ink); color: var(--on-dark); padding-block: clamp(56px,8vw,88px) 28px; }
.footer a { color: var(--on-dark-2); transition: color 0.25s var(--ease); }
.footer a:hover { color: var(--gold); }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
}
.footer .brand .wm { color: var(--on-dark); }
.footer-col h4 {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-dark-2);
  margin: 0 0 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { font-size: 0.98rem; }
.footer-tagline { font-family: var(--serif); font-size: 1.2rem; color: var(--on-dark); margin: 16px 0 22px; max-width: 30ch; line-height: 1.35; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--line-on-dark);
  font-size: 0.85rem; color: var(--on-dark-2);
}
.social-row { display: flex; gap: 10px; margin-top: 22px; }
.social-row a {
  width: 38px; height: 38px; border-radius: var(--r-pill);
  border: 1px solid var(--line-on-dark); display: flex; align-items: center; justify-content: center;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.social-row a:hover { background: var(--gold); border-color: var(--gold); transform: translateY(-2px); }
.social-row svg { width: 17px; height: 17px; stroke: currentColor; }
.social-row a:hover svg { stroke: var(--ink); }
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer .brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ============== SCROLL MOTION ============== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  * { scroll-behavior: auto !important; }
}

/* ============== MISC ============== */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 5px 12px; border-radius: var(--r-pill);
  background: var(--cream-2); color: var(--ink-2); border: 1px solid var(--line);
}
.tag.on-accent { background: var(--accent-soft); color: var(--accent-deep); border-color: transparent; }
.grid { display: grid; gap: clamp(20px, 3vw, 32px); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .cols-3 { grid-template-columns: 1fr; } .cols-2 { grid-template-columns: 1fr; } }