/**
 * Landing tokens mirrored from the Yami renderer (shadcn semantic HSL + graphite).
 * Static HTML — visual language only, not the React component library.
 */
:root {
  --background: 60 3% 3%;
  --foreground: 40 11% 90%;
  --card: 40 3% 6%;
  --muted: 30 4% 9%;
  --muted-foreground: 33 5% 52%;
  --border: 30 5% 14%;
  --border-2: 30 5% 18%;
  --border-3: 33 6% 23%;
  --input: 40 4% 5%;
  --ring: 36 5% 58%;
  --text-2: 36 8% 77%;
  --text-3: 33 5% 58%;
  --radius: 12px;
  --radius-control: 8px;
  --shadow-panel: 0 18px 44px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.035);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --font: 'Segoe UI Variable', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Cascadia Mono', Consolas, ui-monospace, monospace;
}

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

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image: linear-gradient(180deg, #0c0c0b 0%, hsl(var(--background)) 50%, #060605 100%);
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
  border-radius: var(--radius-control);
}

.shell {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(ellipse 70% 45% at 50% -8%, rgba(255, 255, 255, 0.018), transparent 58%);
}

.page {
  position: relative;
  z-index: 1;
  height: 100dvh;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(1rem, 2.4vw, 2rem) clamp(1rem, 3vw, 2.25rem);
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.35fr);
  gap: clamp(1.25rem, 3vw, 2.75rem);
  align-items: center;
  overflow: hidden;
}

.copy {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  min-width: 0;
  animation: rise 0.55s var(--ease-out) both;
}

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

.brand__icon {
  width: 1.85rem;
  height: 1.85rem;
  color: hsl(var(--foreground));
  flex-shrink: 0;
}

.brand__name {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 1.9rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.lede {
  margin: 0;
  max-width: 34ch;
  color: hsl(var(--text-2));
  font-size: 16px;
  line-height: 1.55;
}

.lede__em {
  color: hsl(var(--foreground));
  font-weight: 550;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 0.6rem;
  border-radius: var(--radius-control);
  border: 1px solid hsl(var(--border-2) / 0.85);
  background: hsl(var(--muted) / 0.7);
  color: hsl(var(--text-3));
  font-size: 12px;
  font-weight: 550;
  line-height: 1;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 42px;
  min-width: 7.75rem;
  padding: 0 1rem;
  border-radius: var(--radius-control);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--input));
  color: hsl(var(--text-2));
  font: inherit;
  font-weight: 550;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
  transition:
    color 200ms var(--ease-out),
    background-color 200ms var(--ease-out),
    border-color 200ms var(--ease-out);
}

.btn svg {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.btn--download {
  min-width: 8.5rem;
}

.btn__layer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  transition:
    opacity 200ms var(--ease-out),
    transform 200ms var(--ease-out);
}

.btn__layer--idle {
  opacity: 1;
  transform: translateY(0);
}

.btn__layer--hover {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

.btn--download:hover .btn__layer--idle,
.btn--download:focus-visible .btn__layer--idle {
  opacity: 0;
  transform: translateY(-6px);
}

.btn--download:hover .btn__layer--hover,
.btn--download:focus-visible .btn__layer--hover {
  opacity: 1;
  transform: translateY(0);
}

.btn--primary {
  background: hsl(var(--foreground));
  color: hsl(var(--background));
  border-color: hsl(var(--border-3));
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: hsl(var(--text-2));
  border-color: hsl(var(--text-2));
  color: hsl(var(--background));
}

.btn--secondary {
  background: hsl(var(--input));
  border-color: hsl(var(--border));
  color: hsl(var(--text-2));
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: hsl(var(--muted));
  border-color: hsl(var(--border-2));
  color: hsl(var(--foreground));
}

.btn--ghost {
  min-width: 0;
  background: transparent;
  border-color: transparent;
  color: hsl(var(--text-3));
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: hsl(var(--muted));
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
}

.version {
  margin: 0;
  color: hsl(var(--text-3));
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.status {
  min-height: 1em;
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: 12px;
}

.preview {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: min(72dvh, 100%);
  max-height: min(72dvh, 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  animation: rise 0.7s var(--ease-out) 0.08s both;
}

.preview__glow {
  position: absolute;
  inset: 10% 0;
  background: radial-gradient(ellipse at 50% 45%, rgba(255, 255, 255, 0.04), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.preview__stack {
  position: relative;
  z-index: 1;
  width: min(100%, 760px);
  max-width: 100%;
  max-height: 100%;
  overflow: visible;
  padding-bottom: 1.25rem;
}

.preview__image {
  display: block;
  width: auto;
  height: auto;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-panel);
  background: hsl(var(--card));
}

.preview__image--main {
  position: relative;
  z-index: 1;
  max-width: 86%;
  max-height: min(68dvh, 100%);
  margin-right: 10%;
}

.preview__image--overlay {
  position: absolute;
  right: 0;
  bottom: -0.85rem;
  z-index: 2;
  max-width: 56%;
  max-height: min(58dvh, 82%);
  box-shadow:
    0 22px 48px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.04);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .page {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    align-content: center;
    gap: 0.9rem;
    padding-block: 0.85rem;
  }

  .copy {
    gap: 0.85rem;
    align-items: center;
    text-align: center;
  }

  .lede {
    max-width: 42ch;
  }

  .chips,
  .actions {
    justify-content: center;
  }

  .preview {
    height: min(48dvh, 100%);
    max-height: 48dvh;
  }

  .preview__stack {
    width: min(100%, 640px);
    padding-bottom: 0.85rem;
  }

  .preview__image--main {
    max-width: 88%;
    max-height: 44dvh;
    margin-right: 8%;
  }

  .preview__image--overlay {
    right: 0;
    bottom: -0.55rem;
    max-width: 50%;
    max-height: 36dvh;
  }
}

@media (max-width: 520px) {
  .actions {
    width: 100%;
  }

  .btn {
    flex: 1 1 calc(50% - 0.55rem);
  }

  .btn--ghost {
    flex: 1 1 100%;
  }
}

@media (hover: none) {
  .btn--download .btn__layer--hover {
    display: none;
  }

  .btn--download .btn__layer--idle {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .copy,
  .preview {
    animation: none;
  }

  .btn,
  .btn__layer {
    transition: none;
  }

  .btn--download:hover .btn__layer--idle,
  .btn--download:focus-visible .btn__layer--idle {
    transform: none;
  }

  .btn--download:hover .btn__layer--hover,
  .btn--download:focus-visible .btn__layer--hover {
    transform: none;
  }
}