/* Shared layout for the project pages (SkyScope, Train Tracker, M.O.S.S.). Each page sets its colours:
   --p-bg, --p-ink, --p-accent, --p-accent2, --p-dim, --p-panel, --p-edge, --p-head (font) */
body.proj { background: var(--p-bg); color: var(--p-ink); }
body.proj main { overflow: hidden; }
body.proj .nav.solid { background: color-mix(in srgb, var(--p-bg) 85%, transparent); border-bottom-color: var(--p-edge); }
body.proj .nav-links a[aria-current="page"] { color: var(--p-accent); background: color-mix(in srgb, var(--p-accent) 12%, transparent); }
body.proj .footer { background: color-mix(in srgb, var(--p-bg) 92%, #000); border-top-color: var(--p-edge); }

.p-hero { position: relative; min-height: min(100svh, 940px); display: flex; align-items: center; justify-content: center; text-align: center; padding: 100px 16px 80px; isolation: isolate; }
.p-hero > canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.p-hero-text { position: relative; max-width: 860px; }
.p-kicker { margin: 0 0 14px; font: 600 0.8rem var(--body); letter-spacing: 0.24em; text-transform: uppercase; color: var(--p-dim); }
.p-tag { margin: 18px auto 0; max-width: 640px; font-size: clamp(1.05rem, 2.4vw, 1.3rem); color: var(--p-ink); opacity: 0.92; }
.p-cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.p-btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px; text-decoration: none; font: 600 1rem var(--body);
  background: var(--p-accent); color: var(--p-bg); border: 1px solid var(--p-accent);
  box-shadow: 0 10px 30px -10px var(--p-accent); transition: transform 0.2s, box-shadow 0.2s;
}
.p-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 36px -10px var(--p-accent); }
.p-btn.ghost { background: transparent; color: var(--p-accent); box-shadow: none; }
.p-btn:focus-visible { outline: 2px solid var(--p-ink); outline-offset: 3px; }

.p-section { position: relative; max-width: 1040px; margin: 0 auto; padding: 80px 16px 8px; }
.p-h2 { margin: 0 0 28px; font: 700 clamp(1.3rem, 3.2vw, 1.9rem) var(--p-head); letter-spacing: 0.04em; color: var(--p-ink); }
.p-h2::before { content: ""; display: inline-block; width: 28px; height: 3px; margin: 0 14px 0.35em 0; background: var(--p-accent); vertical-align: middle; box-shadow: 0 0 10px var(--p-accent); }
.p-lead { margin: 0 0 22px; max-width: 760px; font-size: 1.1rem; color: var(--p-ink); opacity: 0.9; }
.p-note { margin: 18px 0 0; color: var(--p-dim); font-size: 0.95rem; }

.p-feats { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.p-feats li { padding: 22px; border: 1px solid var(--p-edge); border-radius: 16px; background: var(--p-panel); color: var(--p-dim); line-height: 1.5; }
.p-feats b { display: block; margin-bottom: 6px; font: 700 1.02rem var(--p-head); color: var(--p-accent); }

.p-pair { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.p-card { padding: 22px; border: 1px solid var(--p-edge); border-radius: 16px; background: var(--p-panel); }
.p-card h3 { margin: 0 0 6px; font: 700 1.1rem var(--p-head); color: var(--p-accent); }
.p-card p { margin: 0; color: var(--p-dim); }

.p-end { text-align: center; padding-bottom: 96px; }
.p-end .p-lead { margin-left: auto; margin-right: auto; }

@media (max-width: 560px) { .p-hero { padding-top: 92px; } }

/* screenshot gallery ([data-gallery]) */
.shots { max-width: 960px; margin: 0 auto; }
.shot { padding: 10px; border-radius: 18px; background: linear-gradient(160deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02)); border: 1px solid var(--p-edge);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9); }
.shot img { display: block; width: 100%; height: auto; border-radius: 10px; transition: opacity 0.25s; cursor: zoom-in; }
.shot img.swap { opacity: 0; }
.shot-cap { margin: 14px auto 0; max-width: 760px; text-align: center; color: var(--p-dim); }
.shot-thumbs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 14px; }
.shot-thumbs button { width: 150px; padding: 0; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: #000; opacity: 0.55; cursor: pointer; transition: opacity 0.2s, border-color 0.2s; }
.shot-thumbs button img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; }
.shot-thumbs button.on, .shot-thumbs button:hover { opacity: 1; border-color: var(--p-accent); }
.shot-thumbs button:focus-visible { outline: 2px solid var(--p-ink); outline-offset: 2px; }
/* full-size view */
.zoom { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 16px; background: rgba(0, 0, 0, 0.88); cursor: zoom-out; }
.zoom img { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8); }

/* video */
.vid { max-width: 960px; margin: 0 auto; padding: 10px; border-radius: 18px; background: linear-gradient(160deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--p-edge); box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9); }
.vid video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 10px; background: #000; }
.vid-cap { text-align: center; }