:root {
  /* Palette — owner decision 2026-09-14: navy paper, sky-blue ink, gold reserved for CTAs. */
  --color-paper: #0b2a4a;
  --color-paper-2: #163a60;
  --color-paper-3: #234b70;
  --color-surface: #163a60;
  --color-ink: #a8d8f0;
  --color-ink-2: #cfeafa;
  --color-rule: rgb(107 145 160 / 0.35);
  --color-rule-2: #5fa3c9;
  --color-muted: #7fb3d1;
  --color-neutral: #93c3dd;
  --color-accent: #c9a86a;
  --color-accent-strong: #dcc48c;
  --color-accent-ink: #0b2a4a;
  --color-focus: #5fa3c9;
  --color-success: oklch(50% 0.125 150);
  --color-error: oklch(66% 0.190 28);
  --color-whatsapp: oklch(48% 0.135 150);
  --color-hero-overlay: #0b2a4a;
  --color-image-shadow: #061a30;

  /* Image frames — portrait photography is the norm on this site. */
  --ratio-card: 3 / 4;
  --ratio-hero-portrait: 3 / 4;
  --ratio-hero-landscape: 16 / 10;
  --ratio-tile: 3 / 4;
  --ratio-post: 16 / 9;

  --font-display: "Marcellus", "Cormorant Garamond", ui-serif, Georgia, serif;
  --font-body: "Manrope", "Avenir Next", ui-sans-serif, system-ui, sans-serif;
  --font-outlier: "Marcellus", ui-serif, Georgia, serif;
  --display-weight: 400;
  --body-weight: 400;
  --tracking-display: -0.018em;
  --tracking-label: 0.105em;

  --text-xs: 0.875rem;
  --text-sm: 1rem;
  --text-base: 1.125rem;
  --text-md: 1.3125rem;
  --text-lg: 1.5rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.25rem;
  --text-3xl: 3rem;
  --text-display-s: clamp(2.6rem, 5vw, 4.5rem);
  --text-display: clamp(3rem, 6.5vw, 5.25rem);

  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;
  --space-4xl: 7rem;

  --page-gutter: clamp(1rem, 5vw, 5rem);
  --content-max: 90rem;
  --reading-max: 68ch;
  --control-height: 3rem;

  --rule-hair: 1px;
  --rule-fine: 2px;
  --radius-card: 0.375rem;
  --radius-input: 0.25rem;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px oklch(16% 0.040 257 / 0.08);
  --shadow-sticky: 0 1rem 3rem oklch(16% 0.040 257 / 0.12);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --dur-long: 420ms;

  --z-base: 1;
  --z-raised: 10;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 400;
  --z-toast: 500;
  --z-tooltip: 600;
}

/* Alternative the owner can switch to later: navy chrome, ivory content sections. Apply on <body>. */
.theme-airy {
  --color-paper: #f6f2ea;
  --color-paper-2: #ffffff;
  --color-paper-3: #ece6d9;
  --color-surface: #ffffff;
  --color-ink: #16324f;
  --color-ink-2: #0b2a4a;
  --color-muted: #4f6b83;
  --color-neutral: #6a8196;
  --color-rule: rgb(11 42 74 / 0.14);
  --color-rule-2: #9db4c7;
  --color-accent-ink: #0b2a4a;
  --color-image-shadow: #cfd8e0;
}