/* ══════════════════════════════════════════════════════════════════════════
   flight-vsl.css — pre-flight briefing splash (VSL gate)
   Always night-themed (the cockpit before takeoff). Induces watching;
   autoplay only on click; discreet skip; releases the page on end.
═══════════════════════════════════════════════════════════════════════════ */
body.vsl-lock { overflow: hidden; }

.vsl {
  position: fixed; inset: 0; z-index: 200;
  background: #080A0E; color: #E8EDF2;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  opacity: 1; transition: opacity 0.6s ease;
}
.vsl.leaving { opacity: 0; pointer-events: none; }

.vsl__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle 1px at 12% 16%, rgba(232,237,242,0.55), transparent 2px),
    radial-gradient(circle 1px at 28% 34%, rgba(232,237,242,0.3), transparent 2px),
    radial-gradient(circle 1px at 46% 10%, rgba(232,237,242,0.45), transparent 2px),
    radial-gradient(circle 1px at 67% 24%, rgba(232,237,242,0.35), transparent 2px),
    radial-gradient(circle 1px at 84% 12%, rgba(232,237,242,0.5), transparent 2px),
    radial-gradient(circle 1px at 76% 44%, rgba(232,237,242,0.25), transparent 2px),
    radial-gradient(60% 50% at 50% 12%, rgba(17,221,173,0.06), transparent 60%),
    linear-gradient(to right, rgba(232,237,242,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232,237,242,0.05) 1px, transparent 1px);
  background-size: auto, auto, auto, auto, auto, auto, auto, 54px 54px, 54px 54px;
}
.vsl__grid::after {
  content: ""; position: absolute; left: 0; right: 0; top: 72%; height: 1px;
  background: linear-gradient(to right, transparent 4%, rgba(232,237,242,0.22) 24% 76%, transparent 96%);
}
.vsl__scan {
  position: absolute; left: 0; right: 0; height: 1px; z-index: 1; pointer-events: none;
  background: linear-gradient(to right, transparent, rgba(17,221,173,0.2), transparent);
  animation: vsl-scan 7s ease-in-out infinite;
}
@keyframes vsl-scan { 0%{top:18%;opacity:0} 12%{opacity:1} 80%{opacity:.4} 100%{top:82%;opacity:0} }

.vsl__stage { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; text-align: center; width: 100%; max-width: 640px; padding: 2rem 1.5rem; }
.vsl__eyebrow { margin: 0 0 clamp(1.4rem,4vh,2.4rem); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--teal); display: inline-flex; align-items: center; gap: 0.7rem; }
.vsl__eyebrow::before, .vsl__eyebrow::after { content:""; width: 1.6rem; height: 1px; background: rgba(17,221,173,0.5); }

.vsl__frame { position: relative; width: clamp(210px, 40vw, 330px); aspect-ratio: 1; display: grid; place-items: center; background: transparent; border: none; padding: 0; cursor: pointer; }
.vsl__instrument { width: 100%; height: 100%; opacity: 0.9; }
.vsl__play { position: absolute; width: clamp(68px, 9vw, 86px); height: clamp(68px, 9vw, 86px); border-radius: 50%; background: var(--teal); color: #06241d; display: grid; place-items: center; box-shadow: 0 0 44px rgba(17,221,173,0.4); transition: transform 0.2s ease, background 0.2s ease; }
.vsl__frame:hover .vsl__play { transform: scale(1.07); background: var(--teal-h); }
.vsl__frame:active .vsl__play { transform: scale(0.98); }
.vsl__play svg { width: 30px; height: 30px; fill: currentColor; stroke: currentColor; margin-left: 3px; }
.vsl__play-pulse { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--teal); animation: vsl-pulse 2.2s ease-out infinite; }
.vsl__play-pulse--d { animation-delay: 1.1s; }
@keyframes vsl-pulse { 0%{transform:scale(1);opacity:0.55} 100%{transform:scale(2.5);opacity:0} }

.vsl__line { margin: clamp(1.8rem,4vh,2.6rem) 0 0; font-family: var(--font); font-size: clamp(1.4rem, 3vw, 2.1rem); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; text-transform: lowercase; color: #E8EDF2; text-wrap: balance; }
.vsl__watch { margin-top: 1.5rem; display: inline-flex; align-items: center; gap: 0.5rem; background: transparent; border: 1px solid rgba(232,237,242,0.16); color: #E8EDF2; font-family: var(--font); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; padding: 0.95rem 1.5rem; cursor: pointer; transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease; }
.vsl__watch:hover { transform: translate(-2px,-2px); border-color: var(--teal); box-shadow: 3px 3px 0 0 rgba(17,221,173,0.24); }
.vsl__watch-dur { color: var(--teal); font-family: var(--mono); letter-spacing: 0.1em; }
.vsl__skip { margin-top: 1.6rem; display: inline-flex; align-items: center; gap: 0.45rem; background: transparent; border: none; color: #6B7A8D; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; cursor: pointer; transition: color 0.2s ease; }
.vsl__skip:hover { color: #E8EDF2; }
.vsl__skip svg { width: 14px; height: 14px; }

.vsl__hud { position: absolute; z-index: 2; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em; color: rgba(232,237,242,0.28); }
.vsl__hud--tl { top: clamp(1.2rem,4vh,2.4rem); left: clamp(1.2rem,4vw,2.6rem); color: rgba(17,221,173,0.5); }
.vsl__hud--tr { top: clamp(1.2rem,4vh,2.4rem); right: clamp(1.2rem,4vw,2.6rem); }
.vsl__hud--bl { bottom: clamp(1.2rem,4vh,2.4rem); left: clamp(1.2rem,4vw,2.6rem); }
.vsl__hud--br { bottom: clamp(1.2rem,4vh,2.4rem); right: clamp(1.2rem,4vw,2.6rem); }
@media (max-width: 600px){ .vsl__hud--bl, .vsl__hud--br { display: none; } }

.vsl__release { position: absolute; bottom: clamp(1.2rem,4vh,2.4rem); left: 0; right: 0; z-index: 2; text-align: center; font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(232,237,242,0.4); display: flex; align-items: center; justify-content: center; gap: 0.04em; }
.vsl__release-dot { display: inline-block; width: 0.4em; height: 0.4em; border-radius: 50%; background: var(--teal); margin: 0 0.45em 0 0.05em; box-shadow: 0 0 8px rgba(17,221,173,0.4); }
@media (max-width: 600px){ .vsl__release { display: none; } }

/* video mode */
.vsl__player { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: #000; }
.vsl__iframe { width: 100vw; height: 56.25vw; max-height: 100vh; max-width: 177.78vh; border: 0; }
.vsl__close { position: absolute; top: 1.1rem; right: 1.1rem; z-index: 3; width: 2.7rem; height: 2.7rem; display: grid; place-items: center; background: rgba(8,10,14,0.6); border: 1px solid rgba(232,237,242,0.2); color: #E8EDF2; cursor: pointer; transition: background 0.18s ease, border-color 0.18s ease; }
.vsl__close:hover { background: var(--teal); border-color: var(--teal); color: #06241d; }
.vsl__close svg { width: 18px; height: 18px; }

/* header replay trigger */
.hd__replay { display: inline-flex; align-items: center; gap: 0.4rem; background: transparent; border: none; color: var(--mid); font-family: var(--font); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; transition: color 0.18s ease; }
.hd__replay:hover { color: var(--teal); }
.hd__replay svg { width: 15px; height: 15px; }

@media (prefers-reduced-motion: reduce){ .vsl__scan, .vsl__play-pulse { animation: none; } .vsl { transition: none; } }