/*!
 * Fresh Air — the public pages' common look (after tokens.css): header,
 * footer, headings, buttons, cards. Colors and fonts only from tokens.css.
 * The landing's own sections are in landing.css.
 */

body {
  font-family: var(--fa-body);
  background: var(--fa-bg);
  color: var(--fa-ink);
}

/* The display face for page titles only; headings inside text stay in
   the text face (the landing sets its own section titles). */
h1, .h1 {
  font-family: var(--fa-disp);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.tight {
  font-family: var(--fa-disp);
  letter-spacing: -0.01em;
  line-height: 1.05;
}

:focus-visible {
  outline: 2px solid var(--fa-lime-ink);
  outline-offset: 3px;
}

/* ---------- header ---------- */

.wordmark {
  font-family: var(--fa-disp);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--fa-ink);
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
}

.site-header .nav-link {
  font: 500 0.72rem/1 var(--fa-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fa-mut);
  /* Active (scrollspy) and hover change the color only: no weight or
     tracking, so the row never moves. */
  transition: color 0.15s ease;
}
.site-header .nav-link:hover,
.site-header .nav-link:focus-visible,
.site-header .nav-link.active {
  color: var(--fa-ink);
}
/* The row from lg up, the same on every public page: 24px between the
   labels, 28px from the last one to EN (EN, theme and the button keep the
   group's 8px gap). */
.site-header .navbar { --bs-navbar-nav-link-padding-x: 0.75rem; }
@media (min-width: 992px) {
  .site-header .navbar-nav { margin-right: 1rem; }
}
/* In the phone menu the links are a list, not a row of labels. */
.offcanvas .nav-link {
  font-size: 0.85rem;
  padding-block: 0.75rem;
}

.btn-icon {
  border: 1px solid var(--fa-line);
  border-radius: 999px;
  color: var(--fa-mut);
}
.btn-icon:hover { color: var(--fa-ink); border-color: var(--fa-mut); }
.lang-toggle { font: 500 0.72rem/1 var(--fa-mono); letter-spacing: 0.12em; }

/* ---------- buttons ---------- */

.btn {
  --bs-btn-font-family: var(--fa-body);
  --bs-btn-font-weight: 600;
  border-radius: 999px;
}

.btn-primary {
  --bs-btn-color: var(--fa-on-lime);
  --bs-btn-bg: var(--fa-lime);
  --bs-btn-border-color: var(--fa-lime);
  --bs-btn-hover-color: var(--fa-on-lime);
  --bs-btn-hover-bg: #d4ff6a;
  --bs-btn-hover-border-color: #d4ff6a;
  --bs-btn-active-color: var(--fa-on-lime);
  --bs-btn-active-bg: #b3ec22;
  --bs-btn-active-border-color: #b3ec22;
  --bs-btn-disabled-color: var(--fa-on-lime);
  --bs-btn-disabled-bg: var(--fa-lime);
  --bs-btn-disabled-border-color: var(--fa-lime);
  --bs-btn-focus-shadow-rgb: var(--fa-lime-ink-rgb);
  background-image: linear-gradient(180deg, #dcff6e, #b9ef2a 45%, #9fd418);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), inset 0 -3px 8px rgba(60, 90, 0, 0.3);
}

.btn-outline-primary,
.btn-outline-secondary {
  --bs-btn-color: var(--fa-ink);
  --bs-btn-border-color: var(--fa-line);
  --bs-btn-hover-color: var(--fa-lime-ink);
  --bs-btn-hover-bg: transparent;
  --bs-btn-hover-border-color: var(--fa-lime-line);
  --bs-btn-active-color: var(--fa-lime-ink);
  --bs-btn-active-bg: var(--fa-wash-lime);
  --bs-btn-active-border-color: var(--fa-lime-line);
  --bs-btn-disabled-color: var(--fa-dim);
  --bs-btn-disabled-border-color: var(--fa-line);
  --bs-btn-focus-shadow-rgb: var(--fa-lime-ink-rgb);
}

.auth-switch {
  font: 500 0.72rem/1 var(--fa-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.7rem 1.1rem;
}

/* ---------- cards, forms ---------- */

.card {
  --bs-card-bg: var(--fa-bg-2);
  --bs-card-border-color: var(--fa-line);
  border-radius: 18px;
}

.form-control,
.form-select {
  border-radius: 12px;
}
.form-control:focus,
.form-select:focus {
  border-color: var(--fa-lime-line);
  box-shadow: 0 0 0 0.2rem rgba(var(--fa-lime-ink-rgb), 0.18);
}
.form-check-input:checked {
  background-color: var(--fa-lime-ink);
  border-color: var(--fa-lime-ink);
}

/* ---------- backdrop ---------- */

/* Two accent washes and a faint grid fading out downwards, the same on
   every public page and in both themes (the tokens change, not the
   layer): the landing's first screen (.lp-band) and the top of <main> on
   the other pages and the cabinet (.page-glow, positioned and isolated by
   base.css). */
.lp-band { position: relative; isolation: isolate; }
.lp-band::before, .lp-band::after,
.page-glow::before, .page-glow::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.lp-band::before, .page-glow::before {
  background:
    radial-gradient(900px 520px at 80% -10%, var(--fa-wash-lime), transparent 60%),
    radial-gradient(760px 560px at -10% 35%, var(--fa-wash-cyan), transparent 60%);
}
.lp-band::after, .page-glow::after {
  background-image:
    linear-gradient(var(--fa-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--fa-grid) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(75% 70% at 50% 0%, #000 30%, transparent 100%);
          mask-image: radial-gradient(75% 70% at 50% 0%, #000 30%, transparent 100%);
}
/* From under the translucent sticky header (no hard top edge), about as
   tall as the landing's first screen, but not past a short page's end. */
.page-glow::before, .page-glow::after {
  inset: -4rem 0 auto;
  height: min(48rem, calc(100% + 4rem));
}
/* Long text: the grid at half strength, so it doesn't run through it. */
.page-glow-text::after { opacity: 0.5; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--fa-line);
  color: var(--fa-mut);
}
.site-footer a { color: var(--fa-mut); }
.site-footer a:hover { color: var(--fa-ink); }

/* The compact footer of the pages other than the landing. */
.site-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  column-gap: 1rem;
  row-gap: 0.25rem;
  padding-block: 1.5rem;
  font-size: 0.875rem;
}