:root{
  /* Base palette — official values from Sunday Lane Studio's Brand Guidelines PDF (20 Aug 2025) */
  --color-black:#000000;
  --color-white:#ffffff;
  --color-coastal-linen:#ede8dc; /* Main Background */
  --color-soft-shell:#efebe7; /* Secondary Background */
  --color-sea-mist:#bbd6e7; /* Secondary Accent */
  --color-deep-tide:#73899f; /* Main Accent */
  --color-olive-branch:#a4a464; /* Secondary Accent */
  --color-driftwood:#424532; /* Text & Borders */

  /* tints/shades for hover & subtle states (derived, not from the PDF) */
  --color-deep-tide-dark:#627487;
  --color-olive-branch-dark:#8b8b55;
  --color-driftwood-light:#84867a;
  --color-sea-mist-dark:#a8c1d0;

  /* Semantic aliases */
  --bg-page:var(--color-coastal-linen); /* Main Background */
  --bg-surface:var(--color-soft-shell); /* Secondary Background */
  --bg-surface-alt:var(--color-white);
  --bg-accent-blue:var(--color-sea-mist); /* Main Accent — used as background color blocks, not text */
  --bg-accent-green:var(--color-olive-branch); /* Secondary Accent */

  --text-primary:var(--color-driftwood); /* Text & Borders */
  --text-on-dark:var(--color-coastal-linen);
  --text-muted:var(--color-driftwood-light);
  --text-accent:var(--color-deep-tide); /* colored text/links — Deep Tide is the only accent dark enough to stay legible as text; Sea Mist (Main Accent) is for background blocks only */

  --border-hairline:var(--color-driftwood);
  --border-subtle:#d5d1c6;

  --accent-primary:var(--color-sea-mist); /* Main Accent */
  --accent-secondary:var(--color-olive-branch); /* Secondary Accent */

  --link-color:var(--color-deep-tide);
  --link-hover:var(--color-deep-tide-dark);

  /* Tint scales — each core hue diluted toward white, for subtle backgrounds/badges/borders without introducing a new color */
  --color-soft-shell-70:#f4f1ee;
  --color-soft-shell-50:#f7f5f3;
  --color-soft-shell-30:#faf9f8;
  --color-soft-shell-10:#fdfdfd;
  --color-coastal-linen-70:#f2efe7;
  --color-coastal-linen-50:#f6f4ee;
  --color-coastal-linen-30:#faf8f5;
  --color-coastal-linen-10:#fdfdfc;
  --color-olive-branch-70:#bfbf93;
  --color-olive-branch-50:#d2d2b2;
  --color-olive-branch-30:#e4e4d1;
  --color-olive-branch-10:#f6f6f0;
  --color-sea-mist-70:#cfe2ee;
  --color-sea-mist-50:#ddebf3;
  --color-sea-mist-30:#ebf3f8;
  --color-sea-mist-10:#f8fbfd;
  --color-deep-tide-70:#9dacbc;
  --color-deep-tide-50:#b9c4cf;
  --color-deep-tide-30:#d5dce2;
  --color-deep-tide-10:#f1f3f5;
  --color-driftwood-70:#7b7d70;
  --color-driftwood-50:#a1a299;
  --color-driftwood-30:#c6c7c2;
  --color-driftwood-10:#ececeb;
}