:root {
  color-scheme: light;
  --canvas: #fff;
  --ink: #111210;
  --banana-width: 980px;
}

* { box-sizing: border-box; }

html { background: var(--canvas); }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

.site-header {
  padding: 28px clamp(24px, 3.4vw, 48px) 0;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 44px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.045em;
  text-decoration: none;
}

.brand-banana { font-size: 1.15em; line-height: 1; letter-spacing: 0; }
.wordmark:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(20px, 2.2vw, 32px);
  padding: 12px clamp(24px, 3.4vw, 48px) 24px;
}

.stage h1 {
  margin: 0;
  max-width: 1100px;
  font-size: clamp(2.75rem, 6.8vw, 6.25rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.055em;
  text-align: center;
  text-wrap: balance;
}

.story {
  width: min(100%, 1200px);
  color: #636963;
  font-size: clamp(1rem, 1.5vw, 1.375rem);
  line-height: 1.55;
  text-align: center;
  text-wrap: pretty;
}

.story p { margin: 0; }
.story p + p { margin-top: 4px; }
.keep-together { white-space: nowrap; }

.banana {
  position: relative;
  flex-shrink: 0;
  width: min(100%, var(--banana-width));
  margin: 0;
  animation: appear 480ms cubic-bezier(.2, .65, .3, 1) both;
}

.banana img {
  display: block;
  width: 100%;
  height: auto;
}

.banana-command {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  mix-blend-mode: multiply;
}

.banana-command text {
  fill: url(#ink-tone);
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 38px;
  font-weight: 600;
}

.copy-command {
  position: absolute;
  z-index: 1;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #707670;
  font: inherit;
  font-size: clamp(0.74375rem, 1.36vw, 1.16875rem);
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition: color 120ms ease-out;
}

.copy-command:hover { color: var(--ink); }
.copy-command:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.copy-command .check-shape { display: none; }
.copy-command[data-copied="true"] .copy-shape { display: none; }
.copy-command[data-copied="true"] .check-shape { display: block; }
.copy-command[data-copied="true"] { color: var(--ink); }

.product-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: calc(-1 * clamp(20px, 2.2vw, 32px));
  text-align: center;
}

.compatibility {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  line-height: 1.2;
}

.compatibility span { color: #636963; }
.compatibility strong { font-weight: 700; letter-spacing: -0.035em; }
.chatgpt-logo { display: block; width: 28px; height: 28px; margin-left: 4px; }

.price {
  margin: 0;
  font-size: clamp(1.75rem, 2.5vw, 2.125rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.025em;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, 1680px);
  margin-top: 12px;
  padding: 28px 0;
  border-radius: 20px;
  background: #f0f2ef;
}

.features article { padding: 0 clamp(22px, 2.2vw, 36px); }
.features article + article { border-left: 1px solid #dce0da; }
.features h2 { margin: 0 0 10px; font-size: clamp(1.0625rem, 1.6vw, 1.375rem); line-height: 1.25; letter-spacing: -0.025em; }
.features p { margin: 0; color: #636963; font-size: clamp(1rem, 1.25vw, 1.125rem); line-height: 1.5; }

@media (max-width: 760px) {
  .features { grid-template-columns: 1fr; padding: 4px 24px; border-radius: 16px; }
  .features article { padding: 22px 0; }
  .features article + article { border-left: 0; border-top: 1px solid #dce0da; }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.manual-copy { width: min(100%, 620px); font-size: 1rem; line-height: 1.5; }
.manual-copy textarea {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #b4b8b2;
  border-radius: 6px;
  background: white;
  color: var(--ink);
  font: 0.875rem/1.6 Menlo, Consolas, monospace;
  resize: vertical;
}

@keyframes appear {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .site-header { padding: 16px 20px 0; }
  .wordmark { font-size: 19px; }
  .stage { padding: 28px 16px 16px; }
  .story { max-width: 36ch; }
  .story p + p { margin-top: 12px; }
  .copy-command { top: 11%; gap: 8px; }
  .copy-icon { width: 20px; height: 20px; }
}

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