/* ============================================================
   DPAI — "Coming soon" front door (concept lab)
   Two fully independent concepts (A / B) switchable via a dev
   toggle at the bottom. Leans on tokens from site.css and reuses
   the SkyGo beta-signup modal.
   ============================================================ */

/* ---------- Version switching ---------- */
.cs-version { display: none; min-height: 100vh; flex-direction: column; }
body.cs-show-a .cs-version-a { display: flex; }
body.cs-show-b .cs-version-b { display: flex; }
body.cs-show-c .cs-version-c { display: flex; }
body.cs-show-d .cs-version-d { display: flex; }
body.cs-show-d1 .cs-version-d1 { display: flex; }
body.cs-show-d2 .cs-version-d2 { display: flex; }
body.cs-show-d21 .cs-version-d21 { display: flex; }
body.cs-show-d3 .cs-version-d3 { display: flex; }

/* ============================================================
   CONCEPT A — dark, copy-led list  (kept for comparison)
   ============================================================ */
.cs-version-a {
  position: relative;
  color: #eaf3fb;
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(58, 163, 227, 0.20), transparent 55%),
    radial-gradient(120% 90% at 88% 12%, rgba(240, 180, 41, 0.14), transparent 55%),
    linear-gradient(165deg, #0a1c2b 0%, #0c2336 55%, #0a1a28 100%);
}
.cs-version-a::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(159, 212, 245, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 212, 245, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 90% at 50% 20%, #000 30%, transparent 85%);
}
.cs-version-a > * { position: relative; z-index: 1; }

.cs-nav { width: 100%; }
.cs-nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.cs-brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.18rem; letter-spacing: -0.01em; color: #fff; }
.cs-brand img { width: 34px; height: 34px; border-radius: 9px; padding: 5px; background: #fff; box-shadow: 0 8px 22px -10px rgba(0, 0, 0, 0.6); }
.cs-nav .btn svg { width: 18px; height: 18px; }

.cs-hero { flex: 1 1 auto; display: flex; align-items: center; padding-block: clamp(48px, 9vw, 104px); }
.cs-hero .wrap { display: grid; gap: clamp(26px, 4vw, 40px); max-width: 980px; }

.cs-kicker { display: inline-flex; align-items: center; gap: 9px; font-size: clamp(0.72rem, 1.5vw, 0.8rem); font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: #9fd4f5; }
.cs-kicker::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--gold)); }

.cs-title { font-size: clamp(2.3rem, 6.2vw, 4.1rem); line-height: 1.04; letter-spacing: -0.02em; font-weight: 700; color: #fff; max-width: 16ch; }
.cs-title .grad { background: linear-gradient(100deg, #6fc1f0 8%, var(--gold) 92%); -webkit-background-clip: text; background-clip: text; color: transparent; }

.cs-lede { font-size: clamp(1.05rem, 2.1vw, 1.32rem); line-height: 1.6; color: #c4d8e8; max-width: 64ch; }
.cs-lede b { color: #fff; font-weight: 700; }

.cs-prod-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; max-width: 760px; }
.cs-prod-row { display: flex; align-items: flex-start; gap: 14px; padding: 16px 18px; border-radius: 16px; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); }
.cs-prod-pill { flex: none; margin-top: 1px; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px; white-space: nowrap; }
.cs-prod-pill.beta { background: var(--gold-soft); color: var(--gold-deep); }
.cs-prod-pill.web { background: rgba(58, 163, 227, 0.18); color: #9fd4f5; }
.cs-prod-pill.air { background: rgba(255, 255, 255, 0.12); color: #eaf3fb; }
.cs-prod-row p { margin: 0; font-size: 0.98rem; line-height: 1.5; color: #c4d8e8; }
.cs-prod-row p b { color: #fff; font-weight: 700; }

.cs-badge { display: inline-flex; align-items: center; gap: 9px; align-self: start; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em; padding: 8px 16px; border-radius: 999px; color: #ffe7ad; background: rgba(240, 180, 41, 0.12); border: 1px solid rgba(240, 180, 41, 0.32); }
.cs-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(240, 180, 41, 0.6); animation: csPulse 2.2s ease-out infinite; }
@keyframes csPulse {
  0% { box-shadow: 0 0 0 0 rgba(240, 180, 41, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(240, 180, 41, 0); }
  100% { box-shadow: 0 0 0 0 rgba(240, 180, 41, 0); }
}

.cs-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.cs-actions .btn-ghost { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.cs-actions .btn-ghost:hover { background: rgba(255, 255, 255, 0.14); }

.cs-reassure { font-size: 0.95rem; line-height: 1.55; color: #93acc0; max-width: 62ch; padding-top: 4px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.cs-reassure b { color: #c4d8e8; font-weight: 700; }

.cs-footer { border-top: 1px solid rgba(255, 255, 255, 0.08); }
.cs-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 26px; padding-block: 22px; }
.cs-footer-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.cs-footer small { color: #7e93a4; font-size: 0.85rem; }
.cs-footer a { color: #c4d8e8; }
.cs-footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.85rem; }
.cs-footer-links a:hover, .cs-footer-contact a:hover { color: #fff; }
.cs-footer-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.cs-social { display: inline-flex; gap: 10px; }
.cs-social a { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: rgba(255, 255, 255, 0.06); color: #c4d8e8; transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease; }
.cs-social a:hover { background: rgba(255, 255, 255, 0.14); color: #fff; transform: translateY(-2px); }
.cs-social svg { width: 17px; height: 17px; }
.cs-footer-contact { font-size: 0.85rem; }
@media (max-width: 640px) { .cs-footer .wrap { flex-direction: column; align-items: flex-start; } }

/* ============================================================
   CONCEPT B — light "product showcase" with real visuals
   ============================================================ */
.cs-version-b,
.cs-version-c,
.cs-version-d,
.cs-version-d1,
.cs-version-d2,
.cs-version-d21,
.cs-version-d3 {
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 85% -10%, rgba(240, 180, 41, 0.10), transparent 55%),
    radial-gradient(120% 80% at 0% 0%, rgba(58, 163, 227, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 55%, var(--bg-deep) 100%);
}

/* nav */
.csb-nav { width: 100%; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.75); backdrop-filter: blur(10px); }
.csb-nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 15px; }
.csb-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; letter-spacing: -0.01em; color: var(--ink); }
.csb-brand img { width: 30px; height: 30px; }
.csb-nav .btn svg { width: 18px; height: 18px; }

/* hero */
.csb-hero { padding-block: clamp(44px, 7vw, 80px) clamp(20px, 3vw, 30px); text-align: center; }
.csb-hero .wrap { display: grid; justify-items: center; gap: 22px; max-width: 920px; }
.csb-kicker { display: inline-flex; align-items: center; gap: 9px; font-size: clamp(0.72rem, 1.5vw, 0.8rem); font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--blue-deep); }
.csb-kicker::before, .csb-kicker::after { content: ""; width: 24px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--gold)); }
.csb-badge { display: inline-flex; align-items: center; gap: 9px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; padding: 7px 15px; border-radius: 999px; color: var(--gold-deep); background: var(--gold-soft); border: 1px solid rgba(240, 180, 41, 0.4); }
.csb-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(240, 180, 41, 0.6); animation: csPulse 2.2s ease-out infinite; }
.csb-title { font-size: clamp(2.2rem, 5.6vw, 3.8rem); line-height: 1.05; letter-spacing: -0.02em; font-weight: 700; color: var(--ink); max-width: 18ch; }
.csb-title .grad { background: linear-gradient(100deg, var(--blue-deep) 8%, var(--gold-deep) 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.csb-lede { font-size: clamp(1.05rem, 2vw, 1.28rem); line-height: 1.6; color: var(--ink-soft); max-width: 60ch; }
.csb-lede b { color: var(--ink); font-weight: 700; }
.csb-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.csb-actions .btn svg { width: 18px; height: 18px; }

/* product showcase */
.csb-showcase { padding-block: clamp(20px, 4vw, 40px) clamp(36px, 6vw, 64px); }
.csb-eyebrow { text-align: center; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 26px; }
.csb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 28px); }
@media (max-width: 900px) { .csb-grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

.csb-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s ease;
}
.csb-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

/* visual area */
.csb-shot { position: relative; padding: 22px 22px 0; display: flex; justify-content: center; overflow: hidden; }
.csb-shot::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(90% 70% at 50% 0%, rgba(58, 163, 227, 0.10), transparent 70%); }
.csb-pill { position: absolute; top: 16px; left: 16px; z-index: 3; font-size: 0.6rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px; }
.csb-pill.beta { background: var(--gold); color: #2a1c00; }
.csb-pill.web { background: var(--blue-deep); color: #fff; }
.csb-pill.air { background: var(--ink); color: #fff; }

/* browser frame (Skyline / SkyRoute) */
.csb-browser { width: 100%; border-radius: 12px 12px 0 0; overflow: hidden; border: 1px solid var(--line); border-bottom: 0; box-shadow: 0 22px 44px -26px rgba(28, 127, 196, 0.5); background: #fff; transform: translateY(8px); }
.csb-browser-bar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: #eef5fb; border-bottom: 1px solid var(--line); }
.csb-browser-bar i { width: 9px; height: 9px; border-radius: 50%; background: #cdd9e3; flex: none; }
.csb-browser-bar i:nth-child(1) { background: #ff5f57; }
.csb-browser-bar i:nth-child(2) { background: #febc2e; }
.csb-browser-bar i:nth-child(3) { background: #28c840; }
.csb-browser-url { margin-left: 10px; flex: 1; font-size: 0.68rem; font-weight: 600; color: var(--ink-faint); background: #fff; border-radius: 6px; padding: 4px 10px; text-align: left; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.csb-browser img { display: block; width: 100%; }

/* phone frame (SkyGo) */
.csb-phone { position: relative; width: 174px; max-width: 60%; padding: 9px; border-radius: 30px; background: linear-gradient(160deg, #2b3946, #0d1822); box-shadow: 0 26px 50px -24px rgba(8, 22, 34, 0.7), inset 0 0 0 1.5px rgba(255, 255, 255, 0.08); transform: translateY(10px); }
.csb-phone::before { content: ""; position: absolute; top: 16px; left: 50%; transform: translateX(-50%); width: 46px; height: 5px; border-radius: 4px; background: rgba(0, 0, 0, 0.6); z-index: 2; }
.csb-phone img { display: block; width: 100%; border-radius: 22px; }

.csb-body { padding: 22px clamp(18px, 2.4vw, 24px) 24px; display: grid; gap: 8px; }
.csb-body h3 { font-size: 1.45rem; color: var(--ink); }
.csb-tag { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-deep); }
.csb-tag.gold { color: var(--gold-deep); }
.csb-body p { font-size: 0.98rem; line-height: 1.55; color: var(--ink-soft); margin: 2px 0 0; }

/* reassurance */
.csb-reassure { text-align: center; max-width: 64ch; margin: clamp(8px, 2vw, 22px) auto 0; padding-top: 20px; border-top: 1px solid var(--line); font-size: 0.98rem; line-height: 1.6; color: var(--ink-soft); }
.csb-reassure b { color: var(--ink); font-weight: 700; }
.csb-reassure a { color: var(--blue-deep); font-weight: 600; }

/* footer */
.csb-footer { margin-top: auto; border-top: 1px solid var(--line); background: #fff; }
.csb-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 26px; padding-block: 22px; }
.csb-footer small { color: var(--ink-faint); font-size: 0.85rem; }
.csb-footer-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.csb-footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.85rem; }
.csb-footer a { color: var(--ink-soft); }
.csb-footer-links a:hover, .csb-footer-contact a:hover { color: var(--blue-deep); }
.csb-footer-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.csb-social { display: inline-flex; gap: 10px; }
.csb-social a { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: var(--blue-softer); color: var(--ink-soft); transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease; }
.csb-social a:hover { background: var(--blue-soft); color: var(--blue-deep); transform: translateY(-2px); }
.csb-social svg { width: 17px; height: 17px; }
.csb-footer-contact { font-size: 0.85rem; }
@media (max-width: 640px) { .csb-footer .wrap { flex-direction: column; align-items: flex-start; } }

/* ============================================================
   CONCEPT C — two-column: copy + CTA left, labeled visuals right
   (reuses Concept B's light nav/footer + device frames)
   ============================================================ */
.csc-hero { flex: 1 1 auto; display: flex; align-items: center; padding-block: clamp(40px, 6vw, 76px); }
.csc-hero .wrap {
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: clamp(34px, 5vw, 70px); align-items: center; width: 100%;
}
@media (max-width: 940px) { .csc-hero .wrap { grid-template-columns: 1fr; gap: 44px; } }

.csc-left { display: grid; gap: 22px; }
.csc-kicker { display: inline-flex; align-items: center; gap: 9px; font-size: clamp(0.72rem, 1.5vw, 0.8rem); font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--blue-deep); }
.csc-kicker::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--gold)); }
.csc-title { font-size: clamp(2.2rem, 5vw, 3.7rem); line-height: 1.05; letter-spacing: -0.02em; font-weight: 700; color: var(--ink); max-width: 14ch; }
.csc-title .grad { background: linear-gradient(100deg, var(--blue-deep) 8%, var(--gold-deep) 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.csc-lede { font-size: clamp(1.04rem, 1.9vw, 1.22rem); line-height: 1.6; color: var(--ink-soft); max-width: 48ch; }
.csc-lede b { color: var(--ink); font-weight: 700; }
.csc-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.csc-actions .btn svg { width: 18px; height: 18px; }
.csc-reassure { font-size: 0.92rem; line-height: 1.55; color: var(--ink-faint); max-width: 50ch; padding-top: 16px; border-top: 1px solid var(--line); }
.csc-reassure b { color: var(--ink-soft); font-weight: 700; }
.csc-reassure a { color: var(--blue-deep); font-weight: 600; }

/* right column — visual-forward, minimal labels */
.csc-visuals { display: grid; gap: clamp(18px, 2.6vw, 28px); }
.csc-vis { display: grid; gap: 11px; }
.csc-vis-label { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.csc-vis-eyebrow { font-size: 0.64rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.csc-vis-name { font-size: 1.2rem; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.csc-vis-name .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-left: 7px; vertical-align: middle; }
.csc-vis-name .dot.beta { background: var(--gold); }
.csc-vis-name .dot.web { background: var(--blue); }
.csc-vis-name .dot.air { background: var(--ink-soft); }
/* SkyGo phone sits beside its label rather than centered full-width */
.csc-vis-phone { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 18px; }
.csc-vis-phone .csb-phone { transform: none; margin: 0; width: 150px; }
.csc-vis-phone .csc-vis-label { flex-direction: column; gap: 4px; align-items: flex-start; }
.csc-vis .csb-browser { transform: none; }

/* ============================================================
   CONCEPT D — refined split: copy + CTA left, floating layered
   product composition right (desktop back · skyline mid · phone front)
   (reuses Concept B's light nav/footer + device frames and Concept C's
   left-column text styles)
   ============================================================ */
.csd-hero { flex: 1 1 auto; display: flex; align-items: center; padding-block: clamp(40px, 6vw, 72px); }
.csd-hero .wrap {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: clamp(30px, 5vw, 60px); align-items: center; width: 100%;
}
@media (max-width: 980px) { .csd-hero .wrap { grid-template-columns: 1fr; gap: 52px; } }

/* floating stage */
.csd-stage { position: relative; width: 100%; height: clamp(420px, 44vw, 560px); }
.csd-stage::before {
  content: ""; position: absolute; inset: -8% -6%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(50% 50% at 30% 30%, rgba(58, 163, 227, 0.20), transparent 70%),
    radial-gradient(46% 46% at 80% 70%, rgba(240, 180, 41, 0.16), transparent 70%);
  filter: blur(8px);
}
.csd-layer {
  position: absolute; border-radius: 16px; overflow: visible;
  animation: csdFloat 7s ease-in-out infinite;
}
.csd-layer .csb-browser {
  transform: none; border-radius: 14px; border: 1px solid var(--line);
  box-shadow: 0 44px 84px -34px rgba(8, 22, 34, 0.5);
}
.csd-layer .csb-browser-bar { border-radius: 14px 14px 0 0; }
.csd-layer .csb-phone { transform: none; width: 100%; box-shadow: 0 40px 70px -26px rgba(8, 22, 34, 0.7); }

.csd-desktop { width: 88%; right: 0; top: 0; z-index: 1; rotate: 1.6deg; }
.csd-skyline { width: 66%; left: -4%; top: 30%; z-index: 2; rotate: -2.4deg; animation-delay: -2.3s; }
.csd-phone { width: clamp(116px, 14vw, 150px); right: 4%; bottom: -2%; z-index: 3; rotate: -3deg; animation-delay: -4.6s; }

/* floating product tag */
.csd-tag {
  position: absolute; z-index: 4; display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 13px; border-radius: 999px; background: #fff; color: var(--ink);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.01em; white-space: nowrap;
  box-shadow: 0 14px 30px -14px rgba(8, 22, 34, 0.45); border: 1px solid var(--line);
  pointer-events: none;
}
.csd-tag .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.csd-tag .dot.beta { background: var(--gold); }
.csd-tag .dot.web { background: var(--blue); }
.csd-tag .dot.air { background: var(--ink-soft); }
.csd-tag-air { top: -14px; right: 8%; }
.csd-tag-web { top: 26%; left: -6%; }
.csd-tag-beta { bottom: 6%; right: -2%; }

@keyframes csdFloat { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
@media (prefers-reduced-motion: reduce) { .csd-layer { animation: none; } }

/* mobile: collapse the float into a clean stack */
@media (max-width: 560px) {
  .csd-stage { height: auto; display: grid; gap: 30px; justify-items: center; padding-top: 10px; }
  .csd-stage::before { display: none; }
  .csd-layer { position: static; rotate: 0deg; animation: none; width: 100%; max-width: 360px; }
  .csd-phone { width: 150px; }
  .csd-tag { display: none; }
}

/* ============================================================
   CONCEPT D.1 — D, made interactive
   · SkyGo phone renders bare (the mockup already has its own case)
   · SkyRoute / Skyline layers reveal a "Sign in" affordance on hover
     and link to each product's login
   · SkyGo layer opens the Join-the-beta modal
   Reuses all .csd-* stage/layout styles.
   ============================================================ */
/* D.3 two-tone heading — solid colors, no gradient */
.csd3-blue { color: var(--blue-deep); }
.csd3-gold { color: var(--gold-deep); }
/* D.3 kicker accent line — solid (no gradient) */
.cs-version-d3 .csc-kicker::before { background: var(--blue-deep); }

.csd1-link { display: block; text-decoration: none; color: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.csd1-link:hover { animation-play-state: paused; }
.csd1-link:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; border-radius: 16px; }

/* Bare mockups — the PNG already includes its own device frame */
.csd1-phone-bare { display: block; }
.csd1-phone-bare img { display: block; width: 100%; filter: drop-shadow(0 34px 54px rgba(8, 22, 34, 0.45)); }
.csd1-desk-bare { display: block; }
.csd1-desk-bare img { display: block; width: 100%; filter: drop-shadow(0 40px 64px rgba(8, 22, 34, 0.4)); }

/* hover affordance */
.csd1-hover {
  position: absolute; inset: 0; z-index: 5; display: grid; place-items: center;
  opacity: 0; transition: opacity 0.25s ease; pointer-events: none;
}
.csd1-hover--scrim { border-radius: 14px; background: rgba(8, 22, 34, 0); transition: opacity 0.25s ease, background 0.25s ease; }
.csd1-link:hover .csd1-hover,
.csd1-link:focus-visible .csd1-hover { opacity: 1; }
.csd1-link:hover .csd1-hover--scrim,
.csd1-link:focus-visible .csd1-hover--scrim { background: rgba(8, 22, 34, 0.45); }
.csd1-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--ink); padding: 11px 20px; border-radius: 999px;
  font-weight: 700; font-size: 0.92rem; box-shadow: 0 18px 38px -16px rgba(8, 22, 34, 0.6);
  transform: translateY(8px) scale(0.96); transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.csd1-cta svg { width: 17px; height: 17px; }
.csd1-cta.gold { background: var(--gold); color: #2a1c00; }
.csd1-link:hover .csd1-cta,
.csd1-link:focus-visible .csd1-cta { transform: none; }

/* ============================================================
   DEV TOGGLE — concept switcher (bottom center)
   ============================================================ */
.cs-devbar {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 1100;
  display: none; align-items: center; gap: 6px;
  padding: 6px 6px 6px 14px; border-radius: 999px;
  background: rgba(10, 22, 34, 0.92); color: #eaf3fb;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.6); backdrop-filter: blur(8px);
  font-size: 0.78rem;
}
body.cs-dev-mode .cs-devbar { display: flex; }
.cs-devbar-label { font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.62rem; color: #9fb6c8; margin-right: 4px; }
.cs-devbtn {
  appearance: none; border: 0; cursor: pointer; font: inherit; font-weight: 600;
  color: #c4d8e8; background: transparent; padding: 7px 13px; border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}
.cs-devbtn:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.cs-devbtn[aria-pressed="true"] { background: var(--gold); color: #2a1c00; }
@media (max-width: 480px) { .cs-devbar-label { display: none; } }

/* ============================================================
   BETA SIGNUP MODAL — reused from the SkyGo product page
   (website/styles/skygo.css). Copied here so this page stays
   self-contained and doesn't pull in the full SkyGo stylesheet.
   ============================================================ */
.sg-wordmark {
  display: inline-flex; align-items: baseline; gap: 1px;
  font-size: clamp(2rem, 5vw, 2.9rem); font-weight: 700; letter-spacing: -0.02em;
  line-height: 1; margin: 18px 0 4px;
}
.sg-wordmark .sky { color: #eaf3fb; }

.beta-modal { position: fixed; inset: 0; z-index: 1200; display: grid; place-items: center; padding: 20px; }
.beta-modal[hidden] { display: none; }
.beta-backdrop { position: absolute; inset: 0; background: rgba(8, 22, 34, 0.62); backdrop-filter: blur(4px); animation: betaFade 0.25s ease both; }
@keyframes betaFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes betaPop { from { opacity: 0; transform: translateY(14px) scale(0.97); } to { opacity: 1; transform: none; } }
.beta-card {
  position: relative; width: min(480px, 100%); background: #fff; border-radius: 20px;
  box-shadow: 0 40px 90px -30px rgba(8, 22, 34, 0.6); overflow: hidden;
  animation: betaPop 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.beta-x {
  position: absolute; top: 14px; right: 14px; z-index: 2; appearance: none; border: 0; cursor: pointer;
  width: 34px; height: 34px; border-radius: 10px; background: rgba(17, 41, 59, 0.06); color: var(--ink-soft);
  display: grid; place-items: center; transition: background 0.2s ease, color 0.2s ease;
}
.beta-x:hover { background: rgba(17, 41, 59, 0.12); color: var(--ink); }
.beta-x svg { width: 18px; height: 18px; }
.beta-head { padding: 30px clamp(22px, 5vw, 34px) 6px; }
.beta-head .sg-wordmark { font-size: 1.5rem; margin: 0; }
.beta-head .sg-wordmark .sky { color: var(--blue-deep); }
.beta-head .sg-wordmark .go {
  background: linear-gradient(100deg, var(--blue-deep) 10%, var(--gold) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.beta-pill {
  display: inline-block; margin: 10px 0 0; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: var(--gold-soft); color: var(--gold-deep);
}
.beta-head h3 { margin: 12px 0 8px; font-size: clamp(1.3rem, 3vw, 1.6rem); color: var(--ink); }
.beta-head p { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.5; }
.beta-form { padding: 14px clamp(22px, 5vw, 34px) clamp(24px, 5vw, 30px); display: grid; gap: 14px; }
.beta-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 460px) { .beta-row { grid-template-columns: 1fr; } }
.beta-form label { display: grid; gap: 6px; font-size: 0.8rem; font-weight: 700; color: var(--ink); letter-spacing: 0.01em; }
.beta-form input[type="text"], .beta-form input[type="email"], .beta-form select {
  font: inherit; font-weight: 500; padding: 11px 13px; border-radius: 11px;
  border: 1.5px solid var(--line); background: #f9fcfe; color: var(--ink); transition: border-color 0.2s ease, background 0.2s ease;
}
.beta-form select { cursor: pointer; }
.beta-form input::placeholder { color: var(--ink-faint); font-weight: 400; }
.beta-form input:focus, .beta-form select:focus { outline: none; border-color: var(--blue); background: #fff; }
.beta-device { border: 0; padding: 0; margin: 0; display: grid; gap: 6px; }
.beta-device legend { font-size: 0.8rem; font-weight: 700; color: var(--ink); padding: 0; }
.beta-seg-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.beta-seg { position: relative; }
.beta-seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.beta-seg span {
  display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px;
  border-radius: 12px; border: 1.5px solid var(--line); background: #f9fcfe;
  font-weight: 700; font-size: 0.9rem; color: var(--ink-soft); cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.beta-seg span svg { width: 17px; height: 17px; }
.beta-seg input:hover + span { border-color: #bcd9ee; }
.beta-seg input:checked + span { border-color: var(--blue); background: var(--blue-soft, #eaf3fb); color: var(--blue-deep); }
.beta-seg input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.beta-submit { width: 100%; justify-content: center; margin-top: 4px; }
.beta-submit[disabled] { opacity: 0.6; cursor: progress; }
.beta-error { margin: 0; font-size: 0.82rem; font-weight: 600; color: #c0392b; }
.beta-error[hidden] { display: none; }
.beta-fine { margin: 2px 0 0; font-size: 0.72rem; color: var(--ink-faint); line-height: 1.45; text-align: center; }
.beta-success { padding: 34px clamp(22px, 5vw, 34px) 36px; text-align: center; }
.beta-success[hidden] { display: none; }
.beta-check {
  width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, #2bb673, #1a9b63); box-shadow: 0 14px 30px -12px rgba(26, 155, 99, 0.7);
  animation: betaPop 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.beta-check svg { width: 28px; height: 28px; }
.beta-success h3 { margin: 0 0 8px; font-size: 1.4rem; color: var(--ink); }
.beta-success p { color: var(--ink-soft); font-size: 0.94rem; line-height: 1.55; max-width: 36ch; margin: 0 auto; }
@media (prefers-reduced-motion: reduce) { .beta-backdrop, .beta-card, .beta-check, .cs-badge .dot, .csb-badge .dot { animation: none; } }