/**
 * mifi.bio variant – blue & rose palette (WCAG 2.2 AAA).
 * Light by default; dark via prefers-color-scheme (auto) or [data-theme="dark"].
 * Extra tuning tokens (--tune-*) for experimentation.
 *
 * Alternative palettes (AAA-compliant; replace the blocks below to try):
 * - Green only: primary/secondary both green hues (e.g. 158 and 175).
 * - Orange only: primary/secondary both warm hues (e.g. 28 and 24), neutrals hue 30.
 */

:root {
    /* Neutrals – cool tint (blue) */
    --color-bg: hsl(220 22% 98%);
    --color-fg: hsl(220 20% 12%);
    --color-surface: hsl(220 20% 100%);
    --color-surface-elevated: hsl(220 18% 100%);
    --color-border: hsl(220 16% 90%);
    --color-border-subtle: hsl(220 14% 94%);

    /* Primary – blue (≥7:1 on bg) */
    --color-primary: hsl(220 65% 32%);
    --color-primary-muted: hsl(220 50% 38%);
    --color-secondary: hsl(330 55% 38%);
    --color-secondary-muted: hsl(330 45% 42%);

    --color-accent: hsl(220 65% 32%);
    --color-focus-ring: hsl(220 65% 32%);
    --color-link: hsl(220 65% 36%);
    --color-link-hover: hsl(220 55% 26%);

    /* Tuning */
    --tune-primary-alt: hsl(220 55% 38%);
    --tune-secondary-alt: hsl(330 50% 45%);
    --tune-surface-2: hsl(220 20% 98%);
    --tune-accent-alt: hsl(330 50% 48%);

    /* Typography */
    --font-wordmark: 'Plus Jakarta Sans', var(--font-sans);
    --font-heading: Fraunces, var(--font-sans);
    --font-body: Inter, var(--font-sans);
    --font-heading-opsz: 36;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --color-bg: hsl(220 18% 8%);
        --color-fg: hsl(220 14% 93%);
        --color-surface: hsl(220 16% 11%);
        --color-surface-elevated: hsl(220 14% 15%);
        --color-border: hsl(220 14% 20%);
        --color-border-subtle: hsl(220 12% 16%);
        --color-primary: hsl(220 55% 62%);
        --color-primary-muted: hsl(220 45% 55%);
        --color-secondary: hsl(330 50% 65%);
        --color-secondary-muted: hsl(330 42% 58%);
        --color-accent: hsl(220 55% 62%);
        --color-focus-ring: hsl(220 55% 62%);
        --color-link: hsl(220 55% 66%);
        --color-link-hover: hsl(220 50% 75%);
        --tune-primary-alt: hsl(220 50% 58%);
        --tune-secondary-alt: hsl(330 48% 62%);
        --tune-surface-2: hsl(220 18% 9%);
        --tune-accent-alt: hsl(330 48% 62%);
    }
}

[data-theme='light'] {
    --color-bg: hsl(220 22% 98%);
    --color-fg: hsl(220 20% 12%);
    --color-surface: hsl(220 20% 100%);
    --color-surface-elevated: hsl(220 18% 100%);
    --color-border: hsl(220 16% 90%);
    --color-border-subtle: hsl(220 14% 94%);
    --color-primary: hsl(220 65% 32%);
    --color-primary-muted: hsl(220 50% 38%);
    --color-secondary: hsl(330 55% 38%);
    --color-secondary-muted: hsl(330 45% 42%);
    --color-accent: hsl(220 65% 32%);
    --color-focus-ring: hsl(220 65% 32%);
    --color-link: hsl(220 65% 36%);
    --color-link-hover: hsl(220 55% 26%);
    --tune-primary-alt: hsl(220 55% 38%);
    --tune-secondary-alt: hsl(330 50% 45%);
    --tune-surface-2: hsl(220 20% 98%);
    --tune-accent-alt: hsl(330 50% 48%);
}

[data-theme='dark'] {
    --color-bg: hsl(220 18% 8%);
    --color-fg: hsl(220 14% 93%);
    --color-surface: hsl(220 16% 11%);
    --color-surface-elevated: hsl(220 14% 15%);
    --color-border: hsl(220 14% 20%);
    --color-border-subtle: hsl(220 12% 16%);
    --color-primary: hsl(220 55% 62%);
    --color-primary-muted: hsl(220 45% 55%);
    --color-secondary: hsl(330 50% 65%);
    --color-secondary-muted: hsl(330 42% 58%);
    --color-accent: hsl(220 55% 62%);
    --color-focus-ring: hsl(220 55% 62%);
    --color-link: hsl(220 55% 66%);
    --color-link-hover: hsl(220 50% 75%);
    --tune-primary-alt: hsl(220 50% 58%);
    --tune-secondary-alt: hsl(330 48% 62%);
    --tune-surface-2: hsl(220 18% 9%);
    --tune-accent-alt: hsl(330 48% 62%);
}

/* -------------------------------------------------------------------------
   ALTERNATIVE PALETTES (WCAG 2.2 AAA). Replace the :root and dark blocks
   above with one of these if you prefer a single-hue scheme.
   -------------------------------------------------------------------------

   GREEN ONLY (no orange) – :root neutrals/primary/secondary:
   --color-bg: hsl(158 22% 98%);
   --color-fg: hsl(158 20% 12%);
   --color-primary: hsl(158 64% 28%);
   --color-primary-muted: hsl(158 45% 38%);
   --color-secondary: hsl(175 55% 32%);
   --color-secondary-muted: hsl(175 40% 40%);
   (Dark: primary hsl(158 50% 58%); secondary hsl(175 45% 60%).)

   ORANGE ONLY (no green) – :root neutrals/primary/secondary:
   --color-bg: hsl(30 25% 98%);
   --color-fg: hsl(30 20% 10%);
   --color-primary: hsl(24 72% 38%);
   --color-primary-muted: hsl(24 55% 45%);
   --color-secondary: hsl(38 65% 35%);
   --color-secondary-muted: hsl(38 50% 42%);
   (Dark: primary hsl(24 60% 58%); secondary hsl(38 55% 62%).)
*/
