/* Nature Tools — Base styles shared across all artboards/pages */

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

.nt-root {
  font-family: var(--nt-font-sans);
  color: var(--nt-ink-hi);
  background: var(--nt-bg-0);
  font-size: var(--nt-fs-16);
  line-height: var(--nt-lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

.nt-root h1, .nt-root h2, .nt-root h3, .nt-root h4, .nt-root h5, .nt-root h6 {
  margin: 0;
  font-weight: 500;
  letter-spacing: var(--nt-track-display);
  line-height: var(--nt-lh-tight);
  color: var(--nt-ink-hi);
}

.nt-root p { margin: 0; }
.nt-root a { color: inherit; text-decoration: none; }
.nt-root button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.nt-root img, .nt-root svg { display: block; max-width: 100%; }
.nt-root :focus-visible {
  outline: 2px solid var(--nt-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* === Eyebrow / overline ===
   Tiny uppercase label with a leading rule. Used as section labels. */
.nt-eyebrow {
  font-size: var(--nt-fs-12);
  letter-spacing: var(--nt-track-eyebrow);
  text-transform: uppercase;
  color: var(--nt-ink-lo);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.nt-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.nt-eyebrow--paper { color: var(--nt-ink-paper-lo); }

/* === Display / heading scale === */
.nt-display-xl {
  font-size: clamp(48px, 5.6vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.nt-display-l {
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  font-weight: 400;
}
.nt-display-m {
  font-size: clamp(28px, 2.6vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.014em;
  font-weight: 500;
}
.nt-h-l { font-size: var(--nt-fs-28); line-height: 1.2; font-weight: 500; letter-spacing: -0.01em; }
.nt-h-m { font-size: var(--nt-fs-20); line-height: 1.25; font-weight: 500; letter-spacing: -0.005em; }
.nt-h-s { font-size: var(--nt-fs-16); line-height: 1.3; font-weight: 500; }

/* === Body text === */
.nt-body-l { font-size: var(--nt-fs-18); line-height: 1.55; color: var(--nt-ink-md); }
.nt-body { font-size: var(--nt-fs-15); line-height: 1.55; color: var(--nt-ink-md); }
.nt-body-s { font-size: var(--nt-fs-13); line-height: 1.5; color: var(--nt-ink-lo); }
.nt-meta { font-size: var(--nt-fs-12); line-height: 1.4; color: var(--nt-ink-lo); letter-spacing: 0.01em; }

/* mono — used for sources, lat/lon, codes */
.nt-mono { font-family: var(--nt-font-mono); font-size: var(--nt-fs-12); letter-spacing: 0; }

/* paper variants */
.nt-paper .nt-body-l, .nt-paper .nt-body { color: var(--nt-ink-paper-md); }
.nt-paper .nt-body-s, .nt-paper .nt-meta { color: var(--nt-ink-paper-lo); }
.nt-paper h1, .nt-paper h2, .nt-paper h3, .nt-paper h4 { color: var(--nt-ink-paper-hi); }

/* === Buttons === */
.nt-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--nt-r-md);
  font-size: var(--nt-fs-14);
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background var(--nt-dur-fast) var(--nt-ease),
              border-color var(--nt-dur-fast) var(--nt-ease),
              color var(--nt-dur-fast) var(--nt-ease),
              transform var(--nt-dur-fast) var(--nt-ease);
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.nt-btn:active { transform: translateY(0.5px); }

.nt-btn--primary {
  background: var(--nt-accent);
  color: #0d100e;
  border-color: var(--nt-accent);
}
.nt-btn--primary:hover { background: var(--nt-accent-soft); border-color: var(--nt-accent-soft); }

.nt-btn--ghost {
  background: transparent;
  color: var(--nt-ink-hi);
  border-color: var(--nt-border-strong);
}
.nt-btn--ghost:hover { background: var(--nt-bg-2); border-color: var(--nt-ink-lo); }

.nt-btn--quiet {
  background: transparent;
  color: var(--nt-ink-md);
  padding: 8px 12px;
}
.nt-btn--quiet:hover { color: var(--nt-ink-hi); }

.nt-btn--paper {
  background: var(--nt-ink-paper-hi);
  color: var(--nt-paper-0);
}
.nt-btn--paper:hover { background: #2a2d2b; }

.nt-btn .nt-arrow {
  transition: transform var(--nt-dur-fast) var(--nt-ease);
}
.nt-btn:hover .nt-arrow { transform: translateX(2px); }

/* === Inline link === */
.nt-link {
  color: var(--nt-ink-hi);
  border-bottom: 1px solid var(--nt-ink-dim);
  padding-bottom: 1px;
  transition: border-color var(--nt-dur-fast) var(--nt-ease), color var(--nt-dur-fast) var(--nt-ease);
}
.nt-link:hover { border-bottom-color: var(--nt-accent); color: var(--nt-accent-soft); }
.nt-paper .nt-link { color: var(--nt-ink-paper-hi); border-bottom-color: var(--nt-ink-paper-lo); }
.nt-paper .nt-link:hover { border-bottom-color: var(--nt-accent-deep); color: var(--nt-accent-deep); }

/* === Status badge === */
.nt-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: var(--nt-r-sm);
  border: 1px solid currentColor;
  line-height: 1;
}
.nt-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.nt-badge--live { color: var(--nt-status-live); }
.nt-badge--dev { color: var(--nt-status-dev); }
.nt-badge--free { color: var(--nt-status-free); border-style: dashed; }
.nt-badge--free::before { display: none; }

/* === Layout helpers === */
.nt-container {
  max-width: var(--nt-max-w);
  margin: 0 auto;
  padding-left: var(--nt-gutter);
  padding-right: var(--nt-gutter);
}
.nt-rule { height: 1px; background: var(--nt-border); border: 0; margin: 0; }
.nt-rule--paper { background: var(--nt-paper-2); }

/* compass-rose hairline divider with a tick */
.nt-tick-rule {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--nt-ink-lo);
  font-size: var(--nt-fs-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nt-tick-rule::before, .nt-tick-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--nt-border);
}

/* === Image slot — placeholder for real photography === */
.nt-imgslot {
  position: relative;
  background: var(--nt-bg-2);
  border: 1px solid var(--nt-border-faint);
  overflow: hidden;
  isolation: isolate;
}
.nt-imgslot::before {
  /* terrain-like contour pattern */
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 30% 70%, rgba(138, 157, 111, 0.08), transparent 60%),
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(110, 145, 168, 0.07), transparent 60%),
    repeating-linear-gradient(115deg,
      transparent 0 26px,
      rgba(255, 255, 255, 0.018) 26px 27px,
      transparent 27px 54px);
  pointer-events: none;
}
.nt-imgslot__label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--nt-font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--nt-ink-md);
  background: rgba(13, 16, 14, 0.78);
  padding: 5px 8px;
  border: 1px solid var(--nt-border);
  border-radius: 2px;
}
.nt-imgslot__caption {
  position: absolute;
  right: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--nt-font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--nt-ink-lo);
}

/* === Topo / contour decorative pattern === */
.nt-topo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(120% 80% at 20% 90%, transparent 30%, rgba(138, 157, 111, 0.06) 31%, transparent 32%),
    radial-gradient(110% 70% at 25% 95%, transparent 35%, rgba(138, 157, 111, 0.05) 36%, transparent 37%),
    radial-gradient(100% 60% at 30% 100%, transparent 40%, rgba(138, 157, 111, 0.04) 41%, transparent 42%);
}