:root {
  --ink: #0c1210;
  --ink-soft: #15201c;
  --mist: #d7e3db;
  --paper: #eef4ef;
  --signal: #c6f34d;
  --signal-deep: #8fb82a;
  --amber: #e8a23a;
  --line: rgba(215, 227, 219, 0.18);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --font-display: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Figtree", "Avenir Next", "Segoe UI", sans-serif;
}

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

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

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

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 55% at 15% 10%, rgba(198, 243, 77, 0.16), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 85%, rgba(232, 162, 58, 0.14), transparent 50%),
    linear-gradient(155deg, #08110e 0%, #13221c 42%, #0a100e 100%);
}

.atmosphere::before {
  content: "";
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(215, 227, 219, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 227, 219, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: perspective(600px) rotateX(58deg) translateY(-12%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 78%);
  animation: grid-drift 28s linear infinite;
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 35%, transparent 0%, rgba(8, 14, 12, 0.55) 70%);
  pointer-events: none;
}

.beam {
  position: absolute;
  width: 42vw;
  max-width: 560px;
  height: 42vw;
  max-height: 560px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
  animation: beam-pulse 9s ease-in-out infinite;
}

.beam-a {
  top: -8%;
  left: -6%;
  background: rgba(198, 243, 77, 0.45);
}

.beam-b {
  right: -10%;
  bottom: -12%;
  background: rgba(232, 162, 58, 0.4);
  animation-delay: -4s;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.stage {
  width: min(920px, 100%);
  text-align: center;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  letter-spacing: -0.045em;
  line-height: 0.92;
  text-wrap: balance;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.1s forwards;
}

.brand span {
  display: block;
  color: var(--signal);
}

.lede {
  margin: 1.1rem auto 0;
  max-width: 34rem;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  line-height: 1.45;
  color: var(--mist);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.28s forwards;
}

.choices {
  margin-top: clamp(2rem, 5vw, 3.2rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.9rem, 2.5vw, 1.4rem);
  opacity: 0;
  transform: translateY(22px);
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.46s forwards;
}

.choice {
  appearance: none;
  display: grid;
  justify-items: center;
  gap: 0.85rem;
  padding: clamp(1.35rem, 3vw, 1.9rem) 1rem 1.35rem;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(238, 244, 239, 0.07), rgba(238, 244, 239, 0.02));
  backdrop-filter: blur(10px);
  border-radius: 1.15rem;
  box-shadow: none;
  transition:
    transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.35s ease,
    background 0.35s ease;
  cursor: pointer;
}

.choice:hover,
.choice:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(198, 243, 77, 0.55);
  background:
    linear-gradient(180deg, rgba(198, 243, 77, 0.12), rgba(238, 244, 239, 0.03));
  outline: none;
}

.choice:focus-visible {
  box-shadow: 0 0 0 3px rgba(198, 243, 77, 0.35);
}

.icon-wrap {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 1.35rem;
  background: rgba(12, 18, 16, 0.55);
  border: 1px solid var(--line);
}

.choice h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.choice p {
  margin: 0;
  max-width: 16rem;
  font-size: 0.95rem;
  line-height: 1.4;
  color: rgba(215, 227, 219, 0.82);
}

.meta {
  margin-top: 1.75rem;
  font-size: 0.85rem;
  color: rgba(215, 227, 219, 0.55);
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.64s forwards;
}

.meta strong {
  color: rgba(215, 227, 219, 0.85);
  font-weight: 600;
}

@media (max-width: 640px) {
  .choices {
    grid-template-columns: 1fr;
  }

  .brand {
    font-size: clamp(2.4rem, 12vw, 3.4rem);
  }
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes grid-drift {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 0 72px, 72px 0;
  }
}

@keyframes beam-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.28;
  }
  50% {
    transform: scale(1.12);
    opacity: 0.42;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .brand,
  .lede,
  .choices,
  .meta {
    opacity: 1;
    transform: none;
  }
}