/* ==========================================================================
   arkodeep.com base layer: reset, typography, layout, components.
   These are the real site components. The design guide renders them live
   rather than describing them, so the guide cannot drift from the site.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
svg { width: 1em; height: 1em; fill: currentColor; }

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

:where(a, button, [tabindex]):focus-visible {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 50%, transparent);
  border-radius: var(--radius-sm);
}

/* --- layout ---------------------------------------------------------------
   One decision: a 672px column, 16px gutters, at every breakpoint. Sections
   are separated by 40px of whitespace and heading weight, never by a colour
   band and never by 80 to 120px of padding. */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1rem;
}

.stack > * + * { margin-top: 2.5rem; }
.stack-sm > * + * { margin-top: 0.5rem; }
.stack-md > * + * { margin-top: 1rem; }

/* --- type ramp ------------------------------------------------------------
   Three steps of text colour, and no more:
   1 foreground  2 secondary-text  3 muted-foreground */

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

.h-page { font-size: var(--text-2xl); line-height: var(--lh-2xl); font-weight: 700; letter-spacing: var(--tracking-tight); }
.h-section { font-size: var(--text-xl); line-height: var(--lh-xl); font-weight: 700; }
.h-item { font-size: var(--text-lg); line-height: 1.25; font-weight: 600; }
.h-card { font-size: var(--text-base); line-height: 1.25; font-weight: 600; }

.t-body { font-size: var(--text-sm); line-height: var(--lh-sm); }
.t-meta { font-size: var(--text-xs); line-height: var(--lh-xs); color: var(--muted-foreground); }

/* Uppercase appears exactly once in this system: footer micro-labels. */
.t-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--muted-foreground);
}

.t-mono { font-family: var(--font-mono); font-size: 0.8125rem; }
mark { background: var(--highlight); color: inherit; border-radius: 2px; padding: 0 0.15em; }

/* --- header ---------------------------------------------------------------
   No logo, no wordmark, no bottom border. Separation comes from the blur. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: color-mix(in srgb, var(--background) 95%, transparent);
}
@supports (backdrop-filter: blur(1px)) {
  .site-header {
    background: color-mix(in srgb, var(--background) 60%, transparent);
    backdrop-filter: blur(12px);
  }
}
.site-header .container {
  display: flex;
  height: var(--header-h);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-nav { display: flex; align-items: center; gap: 1.5rem; font-size: var(--text-sm); font-weight: 500; }
.site-nav a { color: var(--secondary-text); transition: color var(--dur-fast) var(--ease-in-out); }
.site-nav a:hover, .site-nav a[aria-current='page'] { color: var(--primary); }

/* --- buttons --------------------------------------------------------------
   Outline is the default action. Exactly one filled button is allowed on the
   whole site, on the booking CTA. A second filled button turns this from a
   restrained document into an ordinary marketing page. */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  height: 2rem;
  padding-inline: 0.625rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--background);
  color: inherit;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background var(--dur-fast) var(--ease-in-out),
              color var(--dur-fast) var(--ease-in-out),
              border-color var(--dur-fast) var(--ease-in-out);
}
.btn:hover { background: var(--muted); color: var(--foreground); }
.btn:active { transform: scale(0.98); }
.btn svg { width: 1rem; height: 1rem; }

.btn--ghost { border-color: transparent; background: transparent; }
.btn--ghost:hover { background: var(--muted); }

.btn--primary {
  border-color: transparent;
  background: var(--primary);
  color: var(--primary-foreground);
}
.btn--primary:hover { background: color-mix(in srgb, var(--primary) 88%, var(--background)); color: var(--primary-foreground); }

.btn--icon { width: 1.75rem; height: 1.75rem; padding: 0; border-radius: min(var(--radius-md), 10px); }
.btn--icon svg { width: 0.875rem; height: 0.875rem; }

/* --- availability pill ----------------------------------------------------
   Answers the first question a visitor has, which is whether you are available.
   "Taking new clients" or "Booked to March". */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--available-border);
  border-radius: var(--radius-md);
  background: var(--available-fill);
  font-size: var(--text-xs);
  line-height: var(--lh-xs);
}
.pill__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--available);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse { 50% { opacity: 0.5; } }

/* --- list row -------------------------------------------------------------
   No border, no card. Separation is 16px of padding. Stacks on mobile, becomes
   title-left / meta-right at 640px. */

.row { padding-block: 1rem; }
.row > a { display: flex; flex-direction: column; gap: 0.25rem; }
.row__title { transition: color var(--dur-fast) var(--ease-in-out); }
.row > a:hover .row__title { color: var(--primary); }
.row__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--secondary-text); }

@media (min-width: 40rem) {
  .row > a { flex-direction: row; align-items: center; justify-content: space-between; gap: 1rem; }
  .row__meta { flex-shrink: 0; text-align: right; min-width: 8.75rem; }
}

/* --- link card ------------------------------------------------------------
   The arrow is invisible until hover, then fades in and nudges 2px up-right.
   This is the signature micro-interaction. Keep it. */

.card-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--card);
  transition: background var(--dur-fast) var(--ease-in-out);
}
.card-link:hover { background: color-mix(in srgb, var(--muted) 60%, transparent); }
.card-link__desc { font-size: var(--text-sm); color: var(--secondary-text); }
.card-link__arrow {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.card-link:hover .card-link__arrow { opacity: 1; transform: translate(2px, -2px); }

/* --- content card ---------------------------------------------------------
   Border plus a 10 percent foreground ring. This is the only elevation in the
   system. There are no drop shadows. */

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--foreground) 10%, transparent);
  padding: 1rem;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.25rem;
  padding-inline: 0.25rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--foreground) 5%, transparent);
  box-shadow: inset 0 -1px 2px rgba(0, 0, 0, 0.1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
:root[data-theme='dark'] kbd { box-shadow: inset 0 -1px 2px rgba(255, 255, 255, 0.1); }

/* --- footer ---------------------------------------------------------------
   The footer carries far more links than the header, which is what keeps the
   top nav down to four items. */

.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--muted) 30%, transparent);
  margin-top: 4rem;
}
.site-footer .container { padding-block: 3rem; }
.footer-cols { display: flex; flex-direction: column; gap: 2.5rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; margin-top: 0.5rem; }
.footer-links a { font-size: var(--text-sm); color: var(--secondary-text); transition: color var(--dur-fast) var(--ease-in-out); }
.footer-links a:hover { color: var(--primary); }
.footer-social { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--background);
  color: var(--muted-foreground);
  transition: background var(--dur-fast) var(--ease-in-out), color var(--dur-fast) var(--ease-in-out);
}
.footer-social a:hover { background: var(--muted); color: var(--primary); }
.footer-social svg { width: 1.125rem; height: 1.125rem; }
.footer-bottom { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border); font-size: var(--text-sm); color: var(--muted-foreground); }

@media (min-width: 40rem) {
  .footer-cols { flex-direction: row; align-items: flex-start; justify-content: space-between; gap: 2rem; }
}

/* --- bottom fade bar ------------------------------------------------------
   Softens content scrolling off the bottom. The mask fades the blur itself out,
   which is why it never looks like a hard band. */

.fade-bar {
  pointer-events: none;
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 10;
  height: 60px;
  user-select: none;
  background: linear-gradient(to top, var(--background), transparent);
  backdrop-filter: blur(5px);
  -webkit-mask-image: linear-gradient(to top, black 50%, transparent);
  mask-image: linear-gradient(to top, black 50%, transparent);
}

/* --- motion ---------------------------------------------------------------
   One entrance animation on everything, staggered 50ms. Nothing else moves on
   its own. */

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.js .reveal { opacity: 0; transform: translateY(20px); }
.js .reveal.in-view { animation: var(--dur-slow) var(--ease-out) both fade-in-up; }

/* Ship this on every page. Do not weaken it. */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  * { transform: none !important; }
  .js .reveal { opacity: 1 !important; }
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

/* --- progress bar ---------------------------------------------------------
   Added for the giving scoreboard. No new colour: the fill is --foreground at
   low opacity, so it reads as ink rather than as a status colour. */

.progress {
  margin-top: 0.75rem;
  height: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--muted);
  overflow: hidden;
}
.progress__fill {
  display: block;
  height: 100%;
  background: color-mix(in srgb, var(--foreground) 55%, transparent);
}

/* --- giving row ----------------------------------------------------------- */

.giving-row { display: flex; flex-direction: column; gap: 0.5rem; }
.giving-row__amount {
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
@media (min-width: 40rem) {
  .giving-row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
  }
  .giving-row__amount { text-align: right; }
}

/* --- long form ------------------------------------------------------------
   The one place larger vertical padding is allowed. The reading column stays
   at 672px; only the padding changes. */

.article { padding-block: 4rem 2rem; }
.article__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  line-height: 1.15;
  font-weight: 400;
}
@media (min-width: 64rem) {
  .article__title { font-size: var(--text-5xl); line-height: 1.05; }
}

.rule { border: 0; border-top: 1px solid var(--border); margin-block: 2rem; }

/* Body copy in an article is 16px, not the 14px used across the rest of the
   site. Everything else scales off that one variable. */
.prose { --blog-font-size: 1rem; font-size: var(--blog-font-size); line-height: 1.7; }
.prose > * + * { margin-top: 1.25rem; }
.prose h2 { font-size: calc(var(--blog-font-size) * 1.875); line-height: 1.2; font-weight: 700; letter-spacing: var(--tracking-tight); margin-top: 2.5rem; }
.prose h3 { font-size: calc(var(--blog-font-size) * 1.5); line-height: 1.25; font-weight: 600; margin-top: 2rem; }
.prose h4 { font-size: calc(var(--blog-font-size) * 1.25); font-weight: 600; margin-top: 1.5rem; }
.prose a { color: var(--foreground); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--secondary-text); }
.prose a:hover { text-decoration-color: var(--foreground); }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.5rem; }
.prose li::marker { color: var(--muted-foreground); }
.prose blockquote {
  border-left: 2px solid var(--border);
  padding-left: 1rem;
  color: var(--secondary-text);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--muted);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.3em;
}
.prose pre {
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1rem;
  font-size: 0.8125rem;
  color: var(--foreground);
}
.prose pre code { background: none; padding: 0; font-size: inherit; }
.prose img { border-radius: var(--radius-xl); }
.prose hr { border: 0; border-top: 1px solid var(--border); margin-block: 2rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.prose th, .prose td { text-align: left; padding: 0.5rem 0.75rem 0.5rem 0; border-bottom: 1px solid var(--border); }
.prose th { font-weight: 600; }

/* The theme toggle icons live here now that every page has the control. */
.theme-toggle .icon-moon { display: none; }
:root[data-theme='dark'] .theme-toggle .icon-sun { display: none; }
:root[data-theme='dark'] .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme='light']) .theme-toggle .icon-moon { display: block; }
}