I went into “Valley Girl” (1983) thinking it was going to be a broader comedy about, well, San Fernando Valley girls (actually, “Clueless” comes closer to that space 12 years later). This is more of a by-the-book teen romance featuring class conflict between Hollywood punk hunk Nicolas Cage and suburban sweetheart Deborah Foreman (who, at 21, looked too old to be playing a high school junior). That doesn’t make it a bad movie, but the better part is its visual love letter to the neon, music and fashion of early 1980s Los Angeles. Looking back, it’s a pretty-in-pink time capsule.