/* Cinematic launch sequence for Aegis.
   Earth textures are adapted from github.com/abhijandyala/3D-Earth (MIT). */

body.intro-active #app {
  filter: blur(10px);
  transform: scale(1.025);
}

#app {
  transition: filter 900ms ease, transform 1200ms cubic-bezier(.2, .75, .2, 1);
}

.aegis-intro {
  --intro-cyan: #d9fbff;
  position: fixed;
  inset: 0;
  z-index: 10000;
  overflow: hidden;
  color: #f7fbfc;
  font-family: var(--font);
  isolation: isolate;
}

.intro-door {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50.08%;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(20, 32, 36, .34), transparent 48%),
    #000;
  box-shadow: inset 0 0 150px rgba(0, 0, 0, .75);
  will-change: transform;
}

.intro-door::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.intro-door-left {
  left: 0;
}

.intro-door-right {
  right: 0;
}

.intro-seam {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  z-index: 5;
  background: rgba(224, 252, 255, .55);
  box-shadow: 0 0 18px rgba(111, 235, 255, .28);
  opacity: 0;
  pointer-events: none;
}

.intro-copy {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: min(98vw, 1500px);
  text-align: center;
  opacity: 0;
  transform: translate(-50%, 38vh);
  will-change: transform, opacity;
}

.intro-controls {
  position: absolute;
  z-index: 4;
  top: 54%;
  left: 50%;
  width: min(94vw, 620px);
  text-align: center;
  opacity: 0;
  transform: translate(-50%, 8px);
  will-change: transform, opacity;
}

.intro-kicker {
  margin: 0 0 .55rem;
  color: rgba(245, 252, 252, .76);
  font-family: var(--font);
  font-size: clamp(.66rem, .95vw, .84rem);
  font-weight: 400;
  letter-spacing: .38em;
  text-transform: uppercase;
}

.intro-title {
  margin: 0;
  font-size: clamp(6rem, 18vw, 15rem);
  font-weight: 700;
  line-height: .85;
  letter-spacing: .08em;
  text-indent: .08em;
  text-transform: uppercase;
  color: #f4fbfc;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, .8),
    0 0 35px rgba(208, 249, 255, .2);
}

.intro-title::after {
  display: none;
}

.intro-subtitle {
  margin: 0 auto;
  width: fit-content;
  padding: .42rem .72rem;
  border: 1px solid rgba(218, 241, 245, .12);
  border-radius: 4px;
  background: rgba(2, 8, 12, .62);
  color: rgba(244, 251, 252, .92);
  font-size: clamp(.72rem, 1vw, .9rem);
  font-weight: 500;
  letter-spacing: .06em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .9);
  backdrop-filter: blur(8px);
}

.intro-actions {
  display: flex;
  justify-content: center;
  gap: .65rem;
  margin-top: 1.45rem;
  opacity: 0;
  transform: translateY(8px);
}

.intro-button {
  min-width: 112px;
  padding: .72rem 1.15rem;
  border: 1px solid rgba(218, 241, 245, .2);
  border-radius: 5px;
  background: rgba(8, 16, 20, .48);
  color: rgba(235, 247, 249, .78);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.intro-button:hover,
.intro-button:focus-visible {
  border-color: rgba(202, 241, 248, .55);
  color: #fff;
  outline: none;
  transform: translateY(-1px);
}

.intro-button-primary {
  border-color: rgba(164, 224, 236, .6);
  background: rgba(190, 237, 245, .92);
  color: #081116;
}

.intro-button-primary:hover,
.intro-button-primary:focus-visible {
  background: #eefcfe;
  color: #081116;
}

.intro-earth {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: max(100vw, 100vh);
  aspect-ratio: 1;
  opacity: 0;
  transform: translate(-50%, 72vh) scale(.72);
  filter: drop-shadow(0 42px 70px rgba(4, 13, 17, .45));
  will-change: transform, opacity;
}

.intro-earth canvas,
.intro-earth-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.intro-earth canvas {
  z-index: 2;
}

.intro-earth-fallback {
  z-index: 1;
  inset: auto;
  top: 35%;
  left: -20%;
  width: 140%;
  height: 140%;
  margin: 0;
  border-radius: 50%;
  background: #07131a url("assets/earth/earthmap.jpg") center / 200% 100%;
  box-shadow:
    inset -42px -18px 70px rgba(0, 0, 0, .72),
    inset 16px 4px 32px rgba(115, 225, 255, .12),
    0 0 48px rgba(78, 197, 225, .22);
  animation: intro-fallback-spin 20s linear infinite;
}

.intro-earth.webgl-ready .intro-earth-fallback {
  opacity: 0;
}

.intro-info {
  position: absolute;
  z-index: 9;
  top: 50%;
  left: 50%;
  width: min(880px, calc(100vw - 44px));
  max-height: min(760px, calc(100vh - 44px));
  overflow-y: auto;
  padding: clamp(1.5rem, 3.5vw, 2.7rem);
  border: 1px solid rgba(202, 230, 236, .18);
  border-radius: 2px;
  background: rgba(8, 14, 18, .82);
  box-shadow: 0 28px 90px rgba(0, 0, 0, .52);
  backdrop-filter: blur(24px) saturate(115%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(.04);
  transform-origin: 50% 50%;
  transition:
    opacity 180ms ease,
    transform 560ms cubic-bezier(.16, 1, .3, 1),
    border-radius 560ms cubic-bezier(.16, 1, .3, 1),
    visibility 0s 560ms;
}

.aegis-intro.info-open .intro-info {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
  border-radius: 10px;
  transition-delay: 0s;
}

.intro-info-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: .45rem .55rem;
  border: 0;
  background: transparent;
  color: rgba(224, 238, 241, .58);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.intro-info-close:hover,
.intro-info-close:focus-visible { color: #fff; outline: none; }

.intro-info-eyebrow {
  margin: 0 0 .75rem;
  color: #8ed4e2;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.intro-info h2 {
  max-width: 720px;
  margin: 0;
  color: #f0f7f8;
  font-size: clamp(1.7rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.025em;
}

.intro-info-lead {
  max-width: 690px;
  margin: 1rem 0 0;
  color: rgba(222, 236, 239, .68);
  font-size: .86rem;
  line-height: 1.65;
}

.intro-info-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 1.6rem;
  border-top: 1px solid rgba(202, 230, 236, .14);
  border-bottom: 1px solid rgba(202, 230, 236, .14);
}

.intro-info-stats > div {
  padding: 1rem;
  border-right: 1px solid rgba(202, 230, 236, .14);
}

.intro-info-stats > div:first-child { padding-left: 0; }
.intro-info-stats > div:last-child { border-right: 0; }
.intro-info-stats strong,
.intro-info-stats span { display: block; }
.intro-info-stats strong { color: #edf7f8; font-size: 1.05rem; font-weight: 500; }
.intro-info-stats span { margin-top: .2rem; color: rgba(210, 227, 231, .5); font-size: .62rem; line-height: 1.4; }

.intro-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.35rem;
}

.intro-info-grid article { padding: .3rem 0; }
.intro-info-grid article > span { color: rgba(117, 188, 202, .6); font-size: .58rem; }
.intro-info-grid h3 { margin: .55rem 0 .35rem; color: #e7f2f4; font-size: .8rem; font-weight: 500; }
.intro-info-grid p { margin: 0; color: rgba(207, 224, 228, .56); font-size: .69rem; line-height: 1.55; }
.intro-info-note {
  margin: 1.3rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(202, 230, 236, .14);
  color: rgba(199, 218, 222, .42);
  font-size: .59rem;
  line-height: 1.5;
}

.aegis-intro.info-open .intro-copy,
.aegis-intro.info-open .intro-controls,
.aegis-intro.info-open .intro-earth {
  opacity: .18 !important;
  filter: blur(9px);
  transition: opacity 260ms ease, filter 260ms ease;
}

.aegis-intro.is-ready .intro-copy {
  animation: intro-copy-rise 2.2s .45s cubic-bezier(.16, 1, .3, 1) forwards;
}

.aegis-intro.is-ready .intro-earth {
  animation: intro-earth-rise 2.4s .2s cubic-bezier(.16, 1, .3, 1) forwards;
}

.aegis-intro.is-ready .intro-actions {
  animation: intro-actions-in .8s 2.2s ease forwards;
}

.aegis-intro.is-ready .intro-controls {
  animation: intro-controls-in .8s 2.2s ease forwards;
}

.aegis-intro.is-launching .intro-copy {
  animation: intro-copy-out 1s cubic-bezier(.4, 0, .2, 1) forwards;
}

.aegis-intro.is-launching .intro-controls {
  animation: intro-controls-out .85s cubic-bezier(.4, 0, .2, 1) forwards;
}

.aegis-intro.is-launching .intro-earth {
  animation: intro-earth-out 1.1s cubic-bezier(.4, 0, .2, 1) forwards;
}

.aegis-intro.is-launching .intro-actions {
  animation: intro-content-out .8s ease forwards;
}

.aegis-intro.is-launching .intro-info {
  opacity: 0;
  transform: translate(-50%, -50%) scale(.04);
  transition-duration: .65s;
}

.aegis-intro.is-launching .intro-seam {
  animation: intro-seam-flash .7s .82s ease forwards;
}

.aegis-intro.is-launching .intro-door-left {
  animation: intro-door-left 1.5s 1.05s cubic-bezier(.77, 0, .18, 1) forwards;
}

.aegis-intro.is-launching .intro-door-right {
  animation: intro-door-right 1.5s 1.05s cubic-bezier(.77, 0, .18, 1) forwards;
}

@keyframes intro-copy-rise {
  0% { opacity: 0; transform: translate(-50%, 38vh); }
  12% { opacity: 1; }
  100% { opacity: 1; transform: translate(-50%, -36vh); }
}

@keyframes intro-earth-rise {
  0% { opacity: 0; transform: translate(-50%, 72vh) scale(.72); }
  18% { opacity: 1; }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes intro-content-out {
  from { opacity: 1; filter: none; }
  to { opacity: 0; filter: blur(9px); }
}

@keyframes intro-copy-out {
  from { opacity: 1; filter: none; transform: translate(-50%, -36vh); }
  to { opacity: 0; filter: blur(9px); transform: translate(-50%, -38vh); }
}

@keyframes intro-controls-out {
  from { opacity: 1; filter: none; transform: translate(-50%, 0); }
  to { opacity: 0; filter: blur(9px); transform: translate(-50%, -12px); }
}

@keyframes intro-earth-out {
  from { opacity: 1; filter: none; transform: translate(-50%, -50%) scale(1); }
  to { opacity: 0; filter: blur(7px); transform: translate(-50%, -53%) scale(1.025); }
}

@keyframes intro-actions-in {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes intro-controls-in {
  to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes intro-seam-flash {
  50% { opacity: 1; box-shadow: 0 0 38px 4px rgba(188, 246, 255, .7); }
  to { opacity: 0; }
}

@keyframes intro-door-left {
  to { transform: translateX(-101%); }
}

@keyframes intro-door-right {
  to { transform: translateX(101%); }
}

@keyframes intro-fallback-spin {
  to { background-position: 200% center; }
}

@media (max-width: 700px) {
  .intro-copy { top: 50%; }
  .intro-title { font-size: clamp(4.2rem, 20vw, 8rem); }
  .intro-earth { top: 50%; width: max(100vw, 100vh); }
  .intro-kicker { letter-spacing: .24em; }
  .intro-controls { top: 55%; }
  .intro-info { padding: 1.4rem; }
  .intro-info-stats,
  .intro-info-grid { grid-template-columns: 1fr; }
  .intro-info-stats > div {
    padding: .75rem 0;
    border-right: 0;
    border-bottom: 1px solid rgba(202, 230, 236, .12);
  }
  .intro-info-stats > div:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .aegis-intro.is-ready .intro-copy {
    animation: intro-copy-rise .35s ease forwards;
  }
  .aegis-intro.is-ready .intro-earth {
    animation: intro-earth-rise .35s ease forwards;
  }
  .aegis-intro.is-ready .intro-actions {
    animation: intro-actions-in .2s .2s ease forwards;
  }
  .aegis-intro.is-ready .intro-controls {
    animation: intro-controls-in .2s .2s ease forwards;
  }
  .aegis-intro.is-launching .intro-copy,
  .aegis-intro.is-launching .intro-controls,
  .aegis-intro.is-launching .intro-earth {
    animation-duration: .2s;
    animation-delay: 0s;
  }
  .aegis-intro.is-launching .intro-seam {
    animation: intro-seam-flash .2s .2s ease forwards;
  }
  .aegis-intro.is-launching .intro-door-left,
  .aegis-intro.is-launching .intro-door-right {
    animation-duration: .5s;
    animation-delay: .35s;
  }
}