.ac-page { --ac-green: #123c32; --ac-deep: #08271f; --ac-gold: #c8a45b; --ac-gold-light: #e4cf9a; }
.ac-page main { padding-top: clamp(36px, 7vw, 78px); }
.ac-intro { max-width: 820px; margin: 0 auto clamp(38px, 7vw, 76px); text-align: center; }
.ac-eyebrow { margin: 0 0 12px; color: var(--ac-gold); font-size: 10px; font-weight: 800; letter-spacing: .24em; line-height: 1.5; text-transform: uppercase; }
.ac-intro h1 { margin: 0; color: #fff9ed; font: 500 clamp(42px, 8vw, 76px)/.98 Georgia, "Times New Roman", serif; letter-spacing: -.035em; }
.ac-intro > p:last-child { max-width: 520px; margin: 20px auto 0; color: #e7e1d1; font-size: clamp(15px, 2vw, 18px); line-height: 1.7; }
.ac-library { padding: clamp(22px, 5vw, 54px); border: 1px solid rgba(18,60,50,.19); background: #fbf8f0; box-shadow: 0 22px 58px rgba(18,60,50,.08); }
.ac-library-heading { display: flex; align-items: end; gap: 28px; margin-bottom: 28px; }
.ac-library-heading .ac-eyebrow { margin-bottom: 7px; }
.ac-library-heading h2 { margin: 0; color: var(--ac-deep); font: 500 clamp(27px, 4vw, 40px)/1.05 Georgia, "Times New Roman", serif; }
.ac-library-rule { height: 1px; flex: 1; margin-bottom: 8px; background: rgba(200,164,91,.68); }
.ac-list { display: grid; gap: 10px; }
.ac-tutorial { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; min-height: 78px; padding: 14px 18px; border: 1px solid rgba(18,60,50,.16); background: #fffdf8; }
.ac-tutorial h3 { margin: 0; color: var(--ac-deep); font: 500 clamp(18px, 2.5vw, 23px)/1.25 Georgia, "Times New Roman", serif; }
.ac-play { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 42px; padding: 0 15px; border: 1px solid var(--ac-gold); color: var(--ac-deep); background: #e4cf9a; font: 800 11px/1 Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.ac-play:hover, .ac-play:focus-visible { color: #fbf8f0; background: var(--ac-green); outline: 2px solid var(--ac-gold); outline-offset: 3px; }
.ac-play svg { width: 14px; height: 14px; }
.ac-empty { min-height: 260px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 28px 18px; border: 1px dashed rgba(18,60,50,.25); text-align: center; }
.ac-empty-mark { display: grid; width: 44px; height: 44px; place-items: center; margin-bottom: 17px; border: 1px solid var(--ac-gold); color: var(--ac-green); font: italic 27px/1 Georgia, serif; }
.ac-empty h3 { margin: 0; color: var(--ac-deep); font: 500 25px/1.15 Georgia, serif; }
.ac-empty p { max-width: 390px; margin: 10px 0 0; color: #59655e; font-size: 14px; line-height: 1.6; }
.ac-error { color: #733a32; }
.ac-modal[hidden] { display: none; }
.ac-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 20px; }
.ac-modal-backdrop { position: absolute; inset: 0; background: rgba(4,22,17,.82); }
.ac-dialog { position: relative; width: min(920px, 100%); max-height: calc(100dvh - 40px); overflow: auto; padding: clamp(18px, 4vw, 32px); border: 1px solid rgba(200,164,91,.7); color: #123c32; background: #fbf8f0; box-shadow: 0 26px 80px rgba(0,0,0,.3); }
.ac-dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.ac-dialog-head .ac-eyebrow { margin-bottom: 6px; }
.ac-dialog h2 { margin: 0; color: #08271f; font: 500 clamp(25px, 4vw, 36px)/1.05 Georgia, serif; }
.ac-close { display: inline-flex; align-items: center; gap: 9px; min-height: 40px; padding: 0 12px; border: 1px solid rgba(18,60,50,.35); color: #123c32; background: transparent; font: 700 11px Arial,sans-serif; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.ac-close span { font: 25px/1 Georgia,serif; }
.ac-close:hover,.ac-close:focus-visible { outline: 2px solid #c8a45b; outline-offset: 3px; }
.ac-dialog-copy { margin: 12px 0 18px; color: #59655e; font-size: 13px; line-height: 1.55; }
.ac-player { width: 100%; aspect-ratio: 16 / 9; background: #08271f; }
.ac-player iframe { display: block; width: 100%; height: 100%; border: 0; }
@media(max-width: 620px) { .ac-page .site-header { gap: 15px; } .ac-library-heading { gap: 14px; } .ac-tutorial { gap: 12px; padding: 13px; } .ac-play { width: 44px; min-width: 44px; padding: 0; font-size: 0; } .ac-play svg { width: 17px; height: 17px; } .ac-modal { padding: 10px; } .ac-dialog { max-height: calc(100dvh - 20px); padding: 18px; } }
@media(prefers-reduced-motion: reduce) { .ac-page *, .ac-modal * { scroll-behavior: auto !important; } }