/* ═══════════════════════════════════════════════
   GRATICE.IO — Shared Design System
   Include this in every page
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=IBM+Plex+Mono:wght@300;400;500&family=Schibsted+Grotesk:wght@800;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  /* — Fonts — */
  --font-serif:      'Cormorant Garamond', Georgia, serif;
  --font-mono:       'IBM Plex Mono', monospace;
  --font-grotesque:  'Schibsted Grotesk', sans-serif;

  /* — Palette — */
  --bg:     #F2F0EB;
  --ink:    #1C1C1C;
  --body:   #231F20;
  --muted:  #58575A;
  --rule:   #C8C4BC;
  --white:  #FFFFFF;
  --brand:  #1A4A4A;
  --accent: #B87333;

  /* — Type scale — */
  --fs-h1:      clamp(38px, 5.2vw, 70px);
  --fs-h2:      clamp(26px, 3.2vw, 44px);
  --fs-body:    17px;
  --fs-small:   13px;
  --fs-mono-ui: 11px;
  --fs-label:   9px;

  /* — Leading — */
  --lh-h1:   1.08;
  --lh-h2:   1.18;
  --lh-body: 1.9;

  /* — Weights — */
  --fw-light:  300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi:   600;

  /* — Layout — */
  --pad-x:    48px;
  --pad-y:    128px;
  --content-w: 960px;
}

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--font-serif);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }

/* ── Utility ── */
.rule     { height: 1px; background: var(--rule); }
.rule-inv { height: 1px; background: rgba(255,255,255,0.15); }
.label    { font-size: var(--fs-label); letter-spacing: 4px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; margin-bottom: 20px; }
.label-inv { color: rgba(255,255,255,0.45); }
.fade-in  { opacity: 0; transform: translateY(16px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in.visible { opacity: 1; transform: none; }
.section  { padding: var(--pad-y) var(--pad-x); }
.section-white { background: var(--white); }
.section-brand { background: var(--brand); }
.section-ink   { background: var(--ink); }
.section-inner { max-width: var(--content-w); margin: 0 auto; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 var(--pad-x); height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
nav.solid {
  background: rgba(242,240,235,0.96);
  border-color: var(--rule);
  backdrop-filter: blur(8px);
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-logo-glow {
  font-family: var(--font-grotesque);
  font-size: 18px; font-weight: 900;
  letter-spacing: 0.03em; text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(180,230,210,0.9);
  filter: drop-shadow(0 0 6px rgba(100,200,160,0.8)) drop-shadow(0 0 18px rgba(26,74,74,0.6));
  transition: filter 0.4s ease, color 0.4s ease, -webkit-text-stroke 0.4s ease;
  line-height: 1;
}
nav.solid .nav-logo-glow {
  color: var(--brand);
  -webkit-text-stroke: 0px transparent;
  filter: none;
}
.nav-logo-glow sup { font-size: 7px; letter-spacing: 1px; font-family: var(--font-mono); vertical-align: super; margin-left: 2px; opacity: 0.6; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { font-size: var(--fs-mono-ui); letter-spacing: 2.5px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; transition: color 0.2s; }
.nav-link:hover { color: var(--brand); }
nav:not(.solid) .nav-link { color: rgba(242,240,235,0.5); }
nav:not(.solid) .nav-link:hover { color: rgba(242,240,235,0.9); }
.nav-link.active { color: var(--brand); border-bottom: 1px solid var(--brand); padding-bottom: 1px; }
nav:not(.solid) .nav-link.active { color: rgba(242,240,235,0.9); border-color: rgba(242,240,235,0.5); }
.nav-cta { font-size: 10px; letter-spacing: 2px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; border: 1px solid var(--rule); padding: 5px 12px; transition: border-color 0.2s, color 0.2s; }
.nav-cta:hover { border-color: var(--brand); color: var(--brand); }
nav:not(.solid) .nav-cta { color: rgba(242,240,235,0.45); border-color: rgba(242,240,235,0.2); }
nav:not(.solid) .nav-cta:hover { color: rgba(242,240,235,0.85); border-color: rgba(242,240,235,0.5); }

/* ── FOOTER ── */
footer {
  background: var(--ink);
  padding: 36px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand span { font-size: 10px; letter-spacing: 4px; font-family: var(--font-mono); color: rgba(242,240,235,0.4); }
.footer-tm   { font-size: 9px; letter-spacing: 1px; font-family: var(--font-mono); color: rgba(242,240,235,0.25); width: 100%; }
.footer-copy { font-size: var(--fs-label); letter-spacing: 1.5px; font-family: var(--font-mono); color: rgba(242,240,235,0.22); }

/* ── FIXED UI ── */
.fixed-ui { position: fixed; bottom: 1.75rem; right: 1.75rem; display: flex; flex-direction: column; gap: .65rem; z-index: 200; }
.fixed-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(242,240,235,0.92); border: 1px solid var(--rule); color: var(--brand); font-family: var(--font-mono); font-size: 14px; cursor: pointer; backdrop-filter: blur(6px); transition: background 0.2s, border-color 0.2s, opacity 0.3s; opacity: 0; pointer-events: none; }
.fixed-btn.show { opacity: 1; pointer-events: auto; }
.fixed-btn:hover { background: var(--brand); color: var(--bg); border-color: var(--brand); }
.menu-popup { position: fixed; bottom: 5.5rem; right: 1.75rem; background: rgba(242,240,235,0.97); border: 1px solid var(--rule); backdrop-filter: blur(8px); padding: 16px 0; min-width: 180px; z-index: 199; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity 0.2s, transform 0.2s; }
.menu-popup.open { opacity: 1; pointer-events: auto; transform: none; }
.menu-popup a { display: block; padding: 9px 22px; font-size: var(--fs-label); letter-spacing: 2.5px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; transition: color 0.15s, padding-left 0.15s; }
.menu-popup a:hover { color: var(--brand); padding-left: 28px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  :root { --pad-x: 24px; --pad-y: 80px; }
  nav { padding: 0 24px; }
  .nav-links .nav-link:not(:last-child) { display: none; }
  footer { padding: 28px 24px; }
}
/* ── Individual Note Page ── */
.note-page-hero {
  padding: calc(60px + 72px) var(--pad-x) 64px;
  background: var(--brand);
}
.note-page-inner { max-width: 720px; margin: 0 auto; }
.note-page-eyebrow { font-size: var(--fs-label); letter-spacing: 5px; font-family: var(--font-mono); color: rgba(242,240,235,0.3); margin-bottom: 24px; display: flex; gap: 16px; align-items: center; }
.note-page-eyebrow a { color: rgba(242,240,235,0.3); transition: color 0.2s; }
.note-page-eyebrow a:hover { color: rgba(242,240,235,0.7); }
.note-page-title { font-size: clamp(28px, 4vw, 52px); font-weight: 300; line-height: 1.1; letter-spacing: -1.5px; color: var(--bg); margin-bottom: 20px; }
.note-page-sub { font-size: 15px; font-weight: 300; line-height: 1.9; color: rgba(242,240,235,0.5); max-width: 540px; }
.note-page-body { max-width: 720px; margin: 0 auto; padding: 72px var(--pad-x); }
.note-page-body p { font-size: var(--fs-body); font-weight: 300; line-height: var(--lh-body); color: var(--body); margin-bottom: 24px; }
.note-page-body p + p { margin-top: -8px; }
.note-page-body h2 { font-size: clamp(18px, 2.2vw, 26px); font-weight: 300; letter-spacing: -0.5px; color: var(--brand); margin: 48px 0 16px; }
.note-page-body h3 { font-size: 14px; letter-spacing: 2px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; margin: 36px 0 12px; }
.note-page-body ul, .note-page-body ol { padding-left: 20px; margin-bottom: 24px; }
.note-page-body li { font-size: var(--fs-body); font-weight: 300; line-height: 1.9; color: var(--body); margin-bottom: 4px; }
.note-page-body code { font-family: var(--font-mono); font-size: 13px; background: rgba(26,74,74,0.07); padding: 2px 6px; color: var(--brand); }
.note-page-body pre { background: var(--ink); padding: 24px 28px; margin: 32px 0; overflow-x: auto; }
.note-page-body pre code { background: none; color: rgba(242,240,235,0.8); font-size: 13px; padding: 0; }
.note-page-body .rule { margin: 40px 0; }
.note-page-body blockquote { border-left: 2px solid var(--brand); padding-left: 20px; margin: 32px 0; }
.note-page-body blockquote p { color: var(--muted); font-style: italic; }
.note-nav { display: flex; justify-content: space-between; align-items: center; padding: 32px var(--pad-x); max-width: 720px; margin: 0 auto; border-top: 1px solid var(--rule); }
.note-nav a { font-size: var(--fs-label); letter-spacing: 2.5px; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; transition: color 0.2s; }
.note-nav a:hover { color: var(--brand); }
@media (max-width: 768px) {
  .note-page-body { padding: 48px var(--pad-x); }
}