:root {
  --ink: #071412;
  --panel: #0c2420;
  --panel-mid: #143833;
  --moss: #1f5c50;
  --mint: #5ec8c0;
  --sun: #e8a838;
  --sun-soft: #f4d98a;
  --fog: rgba(214, 236, 228, 0.88);
  --fog-dim: rgba(214, 236, 228, 0.62);
  --font-brand: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--fog);
  background: var(--ink);
  overflow-x: hidden;
}

.page {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  isolation: isolate;
}

.sky {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 70% 55% at 78% 12%, rgba(232, 168, 56, 0.42), transparent 55%),
    radial-gradient(ellipse 50% 40% at 18% 20%, rgba(94, 200, 192, 0.18), transparent 50%),
    linear-gradient(165deg, #0a1c19 0%, #071412 42%, #0b1f1c 100%);
}

.sky::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(94, 200, 192, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 200, 192, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 70%);
  animation: grid-drift 28s linear infinite;
}

.datacenter {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
}

.datacenter img {
  position: absolute;
  left: 50%;
  bottom: -4%;
  width: min(1700px, 185%);
  height: auto;
  min-height: 68vh;
  transform: translateX(-50%);
  object-fit: cover;
  object-position: center 45%;
  opacity: 1;
  filter:
    brightness(1.2)
    contrast(1.15)
    saturate(1.05);
  mask-image: linear-gradient(
    to top,
    #000 0%,
    #000 58%,
    rgba(0, 0, 0, 0.75) 80%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to top,
    #000 0%,
    #000 58%,
    rgba(0, 0, 0, 0.75) 80%,
    transparent 100%
  );
}

.datacenter::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(7, 20, 18, 0.15) 0%, transparent 28%),
    linear-gradient(to bottom, rgba(7, 20, 18, 0.2) 0%, transparent 20%);
  pointer-events: none;
}

.sun {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.sun-rays {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ray-bundle {
  animation: rays-pulse 5.5s ease-in-out infinite;
  transform-origin: 86% 10%;
}

.sun-orb {
  position: absolute;
  top: 6vh;
  right: 10vw;
  width: clamp(9rem, 18vw, 14rem);
  aspect-ratio: 1;
  height: auto;
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 50% 50%,
      #fff8de 0%,
      #fff6d0 18%,
      var(--sun-soft) 42%,
      var(--sun) 72%,
      #c9841e 100%
    );
  box-shadow:
    0 0 2.5rem rgba(255, 230, 150, 0.55),
    0 0 5rem rgba(232, 168, 56, 0.35),
    0 0 8rem rgba(232, 168, 56, 0.18);
  animation: sun-pulse 7s ease-in-out infinite;
}

.panel-stage {
  position: absolute;
  left: 50%;
  top: 52%;
  bottom: auto;
  width: min(1100px, 140vw);
  transform: translate(-50%, -42%);
  z-index: 1;
  opacity: 0.92;
  pointer-events: none;
}

.panel-stage img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45));
  animation: panel-rise 1.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.glint {
  position: absolute;
  inset: 12% 18% 35% 28%;
  background: linear-gradient(
    125deg,
    transparent 20%,
    rgba(255, 245, 210, 0.18) 40%,
    rgba(255, 236, 170, 0.4) 52%,
    rgba(255, 245, 210, 0.12) 62%,
    transparent 75%
  );
  mix-blend-mode: screen;
  animation: glint-sweep 6.5s ease-in-out infinite;
  pointer-events: none;
}

.content {
  position: relative;
  z-index: 2;
  width: min(36rem, 100%);
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1rem, 3vw, 1.75rem);
  text-align: center;
  animation: content-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

.content::before {
  content: "";
  position: absolute;
  inset: -8% -4%;
  z-index: -1;
  background: radial-gradient(
    ellipse at 50% 45%,
    rgba(4, 16, 14, 0.72) 0%,
    rgba(4, 16, 14, 0.42) 48%,
    transparent 72%
  );
  pointer-events: none;
}

.llm-mark {
  display: block;
  width: clamp(7rem, 20vw, 12rem);
  height: auto;
  margin: 0 auto 0.85rem;
  filter: drop-shadow(0 12px 40px rgba(0, 0, 0, 0.35));
  animation: mark-glow 4.5s ease-in-out infinite;
}

.brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-brand);
  font-weight: 780;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: #f2faf6;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.55),
    0 4px 28px rgba(0, 0, 0, 0.55);
}

.headline {
  margin: 0 0 0.75rem;
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  letter-spacing: -0.02em;
  color: var(--sun-soft);
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.55),
    0 3px 18px rgba(0, 0, 0, 0.45);
}

.lede {
  margin: 0 auto;
  max-width: 28rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.55;
  color: rgba(232, 246, 240, 0.92);
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.6),
    0 2px 14px rgba(0, 0, 0, 0.45);
}

.footer-note {
  position: absolute;
  right: clamp(1.5rem, 4vw, 3.5rem);
  bottom: clamp(1.25rem, 3vw, 2.5rem);
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(214, 236, 228, 0.4);
}

@keyframes sun-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.95;
  }
  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

@keyframes rays-pulse {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes glint-sweep {
  0%,
  100% {
    transform: translateX(-8%) skewX(-12deg);
    opacity: 0.35;
  }
  50% {
    transform: translateX(10%) skewX(-12deg);
    opacity: 0.75;
  }
}

@keyframes panel-rise {
  from {
    opacity: 0;
    transform: translateY(2.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes content-in {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mark-glow {
  0%,
  100% {
    filter:
      drop-shadow(0 12px 40px rgba(0, 0, 0, 0.35))
      drop-shadow(0 0 12px rgba(94, 200, 192, 0.25));
    transform: scale(1);
  }
  50% {
    filter:
      drop-shadow(0 12px 40px rgba(0, 0, 0, 0.35))
      drop-shadow(0 0 28px rgba(94, 200, 192, 0.65))
      drop-shadow(0 0 48px rgba(232, 168, 56, 0.35));
    transform: scale(1.03);
  }
}

@keyframes grid-drift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 64px 64px;
  }
}

@media (max-width: 640px) {
  .panel-stage {
    top: 58%;
    width: 160vw;
    transform: translate(-50%, -40%);
  }

  .footer-note {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sky::after,
  .sun-orb,
  .ray-bundle,
  .glint,
  .panel-stage img,
  .content,
  .llm-mark {
    animation: none;
  }
}