:root {
  color-scheme: dark;
  --ink: #f7f5f2;
  --muted: #aaa7a1;
  --line: rgba(255, 255, 255, 0.1);
  --surface: rgba(29, 31, 37, 0.78);
  --teal: #4fe0cd;
  --violet: #9d7cff;
  --coral: #ff7e68;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #101216;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(79, 224, 205, 0.13), transparent 34rem),
    radial-gradient(circle at 86% 78%, rgba(157, 124, 255, 0.15), transparent 38rem),
    #101216;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.5rem;
  padding: clamp(1.25rem, 4vw, 4rem);
}

.card {
  position: relative;
  isolation: isolate;
  width: min(100%, 72rem);
  min-height: min(43rem, calc(100vh - 8rem));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 4.5rem);
  border: 1px solid var(--line);
  border-radius: clamp(1.5rem, 4vw, 3.5rem);
  background: linear-gradient(145deg, rgba(34, 37, 44, 0.95), var(--surface));
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.38);
}

.card::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 30rem;
  height: 30rem;
  right: -10rem;
  top: -12rem;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--teal), var(--violet), var(--coral), var(--teal));
  filter: blur(70px);
  opacity: 0.2;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mark {
  width: 2.35rem;
  height: 2.35rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.06);
}

.mark i {
  display: block;
  width: 0.24rem;
  border-radius: 99px;
  background: var(--teal);
}

.mark i:nth-child(1) { height: 0.55rem; }
.mark i:nth-child(2) { height: 1rem; background: var(--violet); }
.mark i:nth-child(3) { height: 0.75rem; background: var(--coral); }

.content {
  max-width: 52rem;
  padding-block: 5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  max-width: 9ch;
  margin: 0;
  font-size: clamp(4rem, 11vw, 9rem);
  font-weight: 680;
  letter-spacing: -0.075em;
  line-height: 0.86;
}

.intro {
  max-width: 36rem;
  margin: clamp(2rem, 5vw, 3.5rem) 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.7;
}

.status {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: #d8d6d1;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 1rem rgba(79, 224, 205, 0.75);
}

.footer {
  margin: 0;
  color: #75736f;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .shell {
    padding: 0.8rem;
  }

  .card {
    min-height: calc(100vh - 4rem);
    border-radius: 1.6rem;
  }

  .content {
    padding-block: 3.5rem;
  }

  h1 {
    font-size: clamp(4rem, 22vw, 6rem);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot {
    animation: breathe 2.6s ease-in-out infinite;
  }

  @keyframes breathe {
    50% { opacity: 0.55; transform: scale(0.88); }
  }
}