:root {
  --radius: 0.625rem;
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.371 0 0);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.556 0 0);
  --glow: oklch(0.62 0.19 265);
  --glow-soft: oklch(0.7 0.12 230);
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html {
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: var(--primary);
  color: var(--primary-foreground);
}

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

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(1 0 0 / 4%) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(1 0 0 / 4%) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  will-change: transform;
}

.orb-a {
  width: 520px;
  height: 520px;
  top: -160px;
  left: 50%;
  margin-left: -420px;
  background: var(--glow);
  animation: drift-a 18s ease-in-out infinite alternate;
}

.orb-b {
  width: 420px;
  height: 420px;
  bottom: -160px;
  right: 50%;
  margin-right: -440px;
  background: var(--glow-soft);
  opacity: 0.2;
  animation: drift-b 22s ease-in-out infinite alternate;
}

@keyframes drift-a {
  to {
    transform: translate3d(80px, 60px, 0) scale(1.1);
  }
}

@keyframes drift-b {
  to {
    transform: translate3d(-70px, -50px, 0) scale(1.15);
  }
}

.nav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--foreground);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: calc(var(--radius) - 2px);
  outline: none;
}

.brand:focus-visible {
  box-shadow: 0 0 0 3px oklch(0.556 0 0 / 50%);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: calc(var(--radius) - 2px);
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 0 24px oklch(0.62 0.19 265 / 35%);
}

.hero {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  gap: 2rem;
}

.title {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 5.25rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.gradient {
  background: linear-gradient(120deg, oklch(0.985 0 0) 10%, oklch(0.78 0.12 250) 55%, oklch(0.62 0.19 285) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.card {
  position: relative;
  width: 100%;
  max-width: 34rem;
  margin-top: 0.75rem;
  border-radius: calc(var(--radius) + 6px);
  padding: 1px;
  background: linear-gradient(160deg, oklch(1 0 0 / 18%), oklch(1 0 0 / 5%) 40%, oklch(1 0 0 / 10%));
  text-align: left;
  isolation: isolate;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.card:hover {
  transform: translateY(-3px);
}

.card-glow {
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), oklch(0.62 0.19 265 / 45%), transparent 60%);
  filter: blur(28px);
  opacity: 0.55;
  transition: opacity 0.4s ease;
}

.card:hover .card-glow {
  opacity: 0.9;
}

.card-body {
  position: relative;
  border-radius: calc(var(--radius) + 5px);
  padding: 2rem;
  background:
    radial-gradient(360px circle at var(--mx, 50%) var(--my, 0%), oklch(1 0 0 / 5%), transparent 70%),
    var(--card);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 6%);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.message {
  margin: 0;
  font-size: clamp(1.5rem, 4.2vw, 2rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.separator {
  height: 1px;
  margin: 1.75rem 0 1.25rem;
  background: var(--border);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.creator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--secondary);
  color: var(--secondary-foreground);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
}

.creator-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.creator-label {
  color: var(--muted-foreground);
  font-size: 0.75rem;
}

.creator-handle {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0 0.875rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 2px);
  background: oklch(1 0 0 / 4%);
  color: var(--foreground);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  outline: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  background: oklch(1 0 0 / 9%);
}

.btn:active {
  background: oklch(1 0 0 / 12%);
}

.btn:focus-visible {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px oklch(0.556 0 0 / 50%);
}

.footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  color: var(--muted-foreground);
  font-size: 0.8125rem;
}

.footer-sep {
  width: 1px;
  height: 0.75rem;
  background: var(--border);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 10;
  padding: 0.625rem 1rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  box-shadow: 0 10px 30px oklch(0 0 0 / 45%);
  transform: translate(-50%, 16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: reveal 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  animation-delay: var(--d, 0ms);
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 1rem;
  }

  .hero {
    gap: 1.5rem;
    padding: 1.5rem 1rem 3rem;
  }

  .card-body {
    padding: 1.5rem;
  }

  .card-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}