/* Additive introduction player. Existing hero, photograph and guide styles stay untouched. */
.walkthrough-intro{margin-top:12px}
.walkthrough-trigger{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:8px 12px 8px 0;background:none;border:0;color:var(--green);font-size:.875rem;font-weight:650;text-align:left;border-radius:6px}
.walkthrough-trigger svg{flex:none;width:20px;height:20px}
.walkthrough-trigger:hover>span{text-decoration:underline;text-underline-offset:4px}
.walkthrough-duration{font-weight:450;color:var(--orbit-muted)}
.walkthrough-fallback{display:inline-flex;align-items:center;min-height:44px;font-size:.875rem;color:var(--green)}
.walkthrough-dialog{width:620px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);padding:22px 24px 24px;overscroll-behavior:contain}
.walkthrough-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.walkthrough-eyebrow{font-size:.7rem;letter-spacing:.1em;font-weight:650;color:var(--green);margin:0 0 8px}
.walkthrough-dialog h2{font-size:1.5rem;line-height:1.2;margin:0;max-width:420px}
.walkthrough-close{display:grid;place-items:center;flex:none;width:44px;height:44px;border:1px solid var(--orbit-line);border-radius:50%;background:#fff;font-size:1.6rem;line-height:1}
.walkthrough-close:hover{background:var(--soft)}
#walkthrough-description{font-size:.9375rem;line-height:1.55;color:var(--orbit-muted);margin:12px 0 18px;max-width:470px}
.walkthrough-video{display:block;width:auto;height:min(58dvh,580px);max-width:100%;aspect-ratio:9/16;object-fit:contain;margin:0 auto;background:#0d2524;border-radius:12px}
.walkthrough-help,.walkthrough-error{font-size:.8125rem;line-height:1.55;margin:14px 0;color:var(--orbit-muted)}
.walkthrough-error{padding:12px;background:var(--soft);border-radius:8px}
.walkthrough-transcript{border-top:1px solid var(--orbit-line);font-size:.9375rem;line-height:1.65;margin-top:14px}
.walkthrough-transcript summary{display:list-item;min-height:44px;padding:12px 0;color:var(--green);font-size:.875rem;font-weight:600}
.walkthrough-transcript p{margin:0 0 12px}
@media(max-width:500px){.walkthrough-dialog{padding:18px;max-width:calc(100vw - 20px);max-height:calc(100dvh - 20px);border-radius:16px}.walkthrough-dialog h2{font-size:1.3rem}.walkthrough-heading{gap:10px}.walkthrough-eyebrow{font-size:.625rem}.walkthrough-video{height:auto;width:min(100%,calc(56dvh * .5625));max-height:56dvh}.walkthrough-help{font-size:.8125rem}}
@media(prefers-reduced-motion:reduce){.walkthrough-trigger,.walkthrough-dialog,.walkthrough-video{animation:none;transition:none;scroll-behavior:auto}}
@media print{.walkthrough-intro,.walkthrough-dialog{display:none!important}}