*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  color-scheme: light dark;
  --ink:       #1b2632;
  --paper:     oklch(97% 0.008 85);
  --smoke:     oklch(92% 0.007 85);
  --clay:      oklch(62% 0.155 37);   /* button backgrounds, large display use */
  --clay-text: oklch(34% 0.13 37);    /* orange text on light backgrounds */
  --clay-dark: oklch(14% 0.01 50);    /* dark text on clay background */
  --clay-lit:  oklch(90% 0.05 40);    /* light, large-text-only on clay bg */
  --tide:      oklch(46% 0.07 200);
  --stone:     oklch(42% 0.04 235);   /* passes AA on --paper and --smoke */
  --rule:      oklch(88% 0.008 85);
  --rule-ink:  oklch(36% 0.022 251);  /* dividers on --ink bg */
}

html {
  scroll-behavior: smooth;
  background: #1b2632; /* footer color — fills Safari overscroll area */
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: 'Satoshi-Variable', -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── NAV ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: max(1.25rem, env(safe-area-inset-top)) 2.5rem 1.25rem;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--stone);
  text-decoration: none;
}

.wordmark img { height: 1.5rem; width: auto; }
.wordmark span { color: var(--clay); }

.site-nav ul {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  list-style: none;
}

.site-nav ul a {
  text-decoration: none;
  color: var(--stone);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 0;
  transition: color 0.2s;
}

.site-nav ul a:hover { color: var(--ink); }

/* ── NAV TOGGLE ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem;
  margin: -0.75rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s;
}

.site-nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.open .nav-toggle span:nth-child(2) { opacity: 0; transform: scaleX(0.2); }
.site-nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── FOOTER ── */
footer {
  background: var(--ink);
  padding: 1.5rem 2.5rem;
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  font-size: 0.8rem;
  color: oklch(60% 0.014 240);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-legal { display: flex; gap: 1.5rem; }

.footer-legal a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-legal a:hover { color: oklch(80% 0.008 85); }

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
  .site-nav { padding: 1rem 1.5rem; padding-top: max(1rem, env(safe-area-inset-top)); }
  footer { padding: 1.25rem 1.5rem; padding-bottom: max(1.25rem, env(safe-area-inset-bottom)); }

  .nav-toggle { display: flex; }

  .site-nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 0.25rem 1.5rem 0.75rem;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.4rem);
    transition: opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0s 0.2s;
  }

  .site-nav.open ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0s;
  }

  .site-nav ul li { border-bottom: 1px solid var(--rule); }
  .site-nav ul li:last-child { border-bottom: none; }
  .site-nav ul a { font-size: 1rem; display: block; }
}

/* ── DARK MODE ── */
@media (prefers-color-scheme: dark) {
  :root {
    --ink:       oklch(93% 0.008 85);
    --paper:     oklch(15% 0.012 240);
    --stone:     oklch(60% 0.02 235);
    --rule:      oklch(26% 0.01 240);
    --clay-text: oklch(72% 0.12 37);
  }
  html   { background: oklch(11% 0.009 240); }
  footer { background: oklch(11% 0.009 240); }
}