/* Desert Signal Capital - holding page
   Palette: Sonoran desert after sunset. Deep indigo sky, copper horizon,
   amber signal. */

:root {
  --night:    #070b16;
  --sky-mid:  #101a33;
  --horizon:  #3a2a3f;
  --ember:    #6b3f36;
  --amber:    #e8a13a;
  --amber-lo: #b97c26;
  --sand:     #e6dccb;
  --muted:    #9aa3b8;
  --ridge:    #05080f;

  --display: "Cormorant Garamond", "Hoefler Text", "Iowan Old Style",
             Palatino, "Palatino Linotype", Georgia, serif;
  --ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--night);
  color: var(--sand);
  font-family: var(--ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- backdrop ---------- */

.sky {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(120% 80% at 50% 112%,
      rgba(232, 161, 58, 0.30) 0%,
      rgba(160, 88, 48, 0.18) 26%,
      rgba(58, 42, 63, 0.14) 48%,
      rgba(0, 0, 0, 0) 72%),
    linear-gradient(180deg,
      var(--night) 0%,
      var(--sky-mid) 48%,
      var(--horizon) 82%,
      var(--ember) 100%);
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.55;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 27% 9%,  #fff, transparent),
    radial-gradient(1px 1px   at 41% 24%,   #dfe6ff, transparent),
    radial-gradient(1.5px 1.5px at 58% 12%, #fff, transparent),
    radial-gradient(1px 1px   at 69% 28%,   #cfe0ff, transparent),
    radial-gradient(1.3px 1.3px at 81% 16%, #fff, transparent),
    radial-gradient(1px 1px   at 92% 30%,   #e8eeff, transparent),
    radial-gradient(1.1px 1.1px at 7% 38%,  #fff, transparent),
    radial-gradient(1px 1px   at 35% 42%,   #dfe6ff, transparent),
    radial-gradient(1.2px 1.2px at 74% 44%, #fff, transparent);
  background-repeat: no-repeat;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 40%, transparent 66%);
          mask-image: linear-gradient(180deg, #000 0%, #000 40%, transparent 66%);
}

/* Low ridge silhouette pinned to the bottom of the viewport. */
.ridge {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: 100%;
  height: clamp(90px, 16vh, 180px);
  display: block;
  pointer-events: none;
}
.ridge path { fill: var(--ridge); }

/* ---------- content ---------- */

.stage {
  position: relative;
  z-index: 3;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(48px, 9vh, 96px) 24px clamp(120px, 20vh, 200px);
}

.mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

/* Signal: a core with three rings pulsing outward. */
.signal {
  position: relative;
  display: block;
  width: 64px;
  height: 64px;
}

.signal .core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 14px 3px rgba(232, 161, 58, 0.55);
}

.signal .ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.18);
  animation: pulse 3.6s cubic-bezier(0.2, 0.6, 0.3, 1) infinite;
}
.signal .ring:nth-child(2) { animation-delay: 1.2s; }
.signal .ring:nth-child(3) { animation-delay: 2.4s; }

@keyframes pulse {
  0%   { transform: scale(0.18); opacity: 0; }
  12%  { opacity: 0.85; }
  100% { transform: scale(1);    opacity: 0; }
}

.eyebrow {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--amber);
}

.wordmark {
  margin: 26px 0 0;
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: 0.005em;
  font-size: clamp(2.6rem, 9vw, 5.6rem);
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.45);
}

.wordmark .w1,
.wordmark .w2 { display: block; }

.wordmark .w2 {
  color: var(--amber);
  font-style: italic;
}

.rule {
  width: clamp(120px, 26vw, 220px);
  height: 1px;
  margin: 30px 0 0;
  border: 0;
  background: linear-gradient(90deg,
    transparent, var(--amber-lo) 22%, var(--amber) 50%, var(--amber-lo) 78%, transparent);
  opacity: 0.8;
}

.lede {
  max-width: 34ch;
  margin: 28px 0 0;
  font-size: clamp(1.02rem, 2.3vw, 1.32rem);
  line-height: 1.65;
  color: var(--sand);
  opacity: 0.92;
}

.lede strong {
  font-weight: 600;
  color: #fff;
}

.soon {
  margin: 38px 0 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact {
  margin: 22px 0 0;
  font-size: 0.94rem;
}

.contact a {
  color: var(--sand);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(232, 161, 58, 0.45);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.contact a:hover,
.contact a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.foot {
  position: relative;
  z-index: 4;
  flex: 0 0 auto;
  padding: 0 24px 26px;
  text-align: center;
}

.foot p {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(230, 220, 203, 0.42);
}

a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- narrow screens ---------- */

@media (max-width: 520px) {
  .stage { padding-bottom: clamp(140px, 24vh, 200px); }
  .eyebrow, .soon { letter-spacing: 0.24em; }
  .lede { max-width: 30ch; }
}

@media (max-height: 620px) {
  .signal { width: 48px; height: 48px; }
  .signal .ring { width: 48px; height: 48px; margin: -24px 0 0 -24px; }
  .wordmark { margin-top: 18px; }
  .rule { margin-top: 20px; }
  .lede { margin-top: 20px; }
  .soon { margin-top: 24px; }
  .contact { margin-top: 16px; }
  .stage { padding: 28px 24px clamp(84px, 15vh, 120px); }
  .foot { padding-bottom: 16px; }
}

/* ---------- motion and contrast preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  .signal .ring {
    animation: none;
    opacity: 0.3;
    transform: scale(1);
  }
  .signal .ring:nth-child(2) { transform: scale(0.66); opacity: 0.45; }
  .signal .ring:nth-child(3) { transform: scale(0.34); opacity: 0.6; }
  * { transition: none !important; }
}

@media (prefers-contrast: more) {
  .lede   { opacity: 1; }
  .soon   { color: #c8d0e2; }
  .foot p { color: rgba(230, 220, 203, 0.7); }
}

/* The page is intentionally dark in every theme, so there is no light-mode
   override. Tell the browser so form controls and scrollbars match. */
:root { color-scheme: dark; }