@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --color-bg:         #f5f4f0;
  --color-bg-hover:   #ece9e3;
  --color-bg-grid:    #ddd;
  --color-text:       #111;
  --color-text-muted: #444;
  --color-text-dim:   #666;
  --color-text-faint: #999;
  --color-border:     #111;
  --color-border-ui:  #e0e0dc;
  --color-border-nav: #ddd;
  --color-bar-bg:     #111;
  --color-bar-text:   #f5f4f0;
  --font-serif: 'DM Serif Display', serif;
  --font-sans:  'DM Sans', sans-serif;
  --nav-height: 52px;
  --section-gap: 56px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  font-family: var(--font-sans);
  color: var(--color-text);
  min-height: 100dvh;
}

img { display: block; width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }


/* ── NAV ─────────────────────────────────────── */

#nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-nav);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo:hover { opacity: 0.6; }

#nav-links {
  flex: 1;
  display: none;
  justify-content: flex-end;
  gap: 28px;
}

.nav-link {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.15s;
}

.nav-link:hover,
.nav-link.active { color: var(--color-text); }

.nav-link--active {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--color-text);
}

#nav-hamburger {
  display: block;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
  margin-left: auto;
  line-height: 1;
}

#nav-hamburger::before { content: '☰'; }

#nav-mobile {
  display: none;
  position: sticky;
  top: var(--nav-height);
  z-index: 99;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-nav);
  flex-direction: column;
}

#nav-toggle:checked ~ #nav-mobile { display: flex; }

.nav-mobile-link {
  padding: 14px 24px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-nav);
  transition: background 0.1s;
}

.nav-mobile-link:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

@media (min-width: 480px) {
  #nav { padding: 0 24px; }
}

@media (min-width: 768px) {
  #nav-links     { display: flex; }
  #nav-hamburger { display: none; }
  #nav           { padding: 0 40px; }
}