/*
 * Reference specification:
 *   https://www.w3.org/TR/2023/CRD-css-speech-1-20230214/#voice-props-voice-pitch
 */


/* ── 1. Absolute pitch — <frequency> && absolute ────────────────────────── */

/* frequency before 'absolute' */
a  { voice-pitch: 120Hz absolute }
b  { voice-pitch: 220Hz absolute }
c  { voice-pitch: 85Hz absolute }
d  { voice-pitch: 1kHz absolute }
e  { voice-pitch: 0.3kHz absolute }

/* 'absolute' before frequency (&&  allows either order) */
f  { voice-pitch: absolute 120Hz }
g  { voice-pitch: absolute 220Hz }
h  { voice-pitch: absolute 0.5kHz }


/* ── 2. Keyword alone ────────────────────────────────────────────────────── */

i  { voice-pitch: x-low }
j  { voice-pitch: low }
k  { voice-pitch: medium }
l  { voice-pitch: high }
m  { voice-pitch: x-high }


/* ── 3. <frequency> offset alone ─────────────────────────────────────────── */

n  { voice-pitch: 0Hz }
o  { voice-pitch: 20Hz }
p  { voice-pitch: -20Hz }
q  { voice-pitch: 5Hz }
r  { voice-pitch: 0.1kHz }


/* ── 4. <semitones> offset alone ─────────────────────────────────────────── */

s  { voice-pitch: 0st }
t  { voice-pitch: 2st }
u  { voice-pitch: -2st }
v  { voice-pitch: 5st }
w  { voice-pitch: -5st }
x  { voice-pitch: 12st }


/* ── 5. <percentage> offset alone ────────────────────────────────────────── */

aa { voice-pitch: 0% }
ab { voice-pitch: 50% }
ac { voice-pitch: -50% }
ad { voice-pitch: 100% }
ae { voice-pitch: 200% }


/* ── 6. Keyword || frequency offset ──────────────────────────────────────── */

af { voice-pitch: medium 20Hz }
ag { voice-pitch: high 5Hz }
ah { voice-pitch: low -10Hz }
ai { voice-pitch: x-high 0Hz }

/* offset before keyword */
aj { voice-pitch: 20Hz medium }
ak { voice-pitch: -10Hz low }


/* ── 7. Keyword || semitones offset ──────────────────────────────────────── */

al { voice-pitch: medium 2st }
am { voice-pitch: high 3st }
an { voice-pitch: low -2st }

/* semitones before keyword */
ao { voice-pitch: 2st medium }
ap { voice-pitch: -2st low }


/* ── 8. Keyword || percentage offset ─────────────────────────────────────── */

aq { voice-pitch: medium 50% }
ar { voice-pitch: high 100% }
as { voice-pitch: low -50% }

/* percentage before keyword */
at { voice-pitch: 50% medium }
au { voice-pitch: -25% high }


/* ── 9. CSS-wide keywords ────────────────────────────────────────────────── */

y  { voice-pitch: inherit }
z  { voice-pitch: initial }