:root {
  --ink: #18212b;
  --muted: #5d6875;
  --paper: #fffaf1;
  --card: #ffffff;
  --line: #e8dfd2;
  --red: #c8282f;
  --blue: #1769aa;
  --green: #2f7d57;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fffaf1 0%, #f5f0e7 100%);
  line-height: 1.5;
}

a { color: var(--blue); }

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
}

.logo img { width: 188px; height: auto; display: block; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  font-size: .95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}

.hero {
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 14px 42px rgba(24,33,43,.08);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: .95;
  margin: 0 0 .35rem;
  letter-spacing: -.06em;
}

.tagline {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0 0 .75rem;
}

.sub {
  color: var(--muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem;
}

label {
  display: block;
  margin: 1rem 0 .35rem;
  font-weight: 800;
}

input[type=file] {
  width: 100%;
  display: block;
  padding: .85rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: .55rem;
  font-weight: 600;
}

button, .button {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  background: var(--red);
  color: white;
  font-size: 1.05rem;
  font-weight: 800;
  padding: .85rem 1.25rem;
  cursor: pointer;
  text-decoration: none;
}

.button.secondary {
  background: var(--blue);
}

.button.ghost {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--line);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-top: 1rem;
}

pre, .status {
  white-space: pre-wrap;
  background: #111820;
  color: #f6f2e9;
  padding: 1rem;
  border-radius: 14px;
  overflow: auto;
}

.kicker {
  color: var(--green);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .85rem;
}

.content {
  background: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  box-shadow: 0 14px 42px rgba(24,33,43,.06);
}

.content h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -.04em;
  margin-top: 0;
}

.content h2 {
  margin-top: 2rem;
}

.content code {
  background: #f2eee6;
  border-radius: 6px;
  padding: .1rem .35rem;
}

.content pre {
  background: #111820;
  color: #f6f2e9;
}

.callout {
  border-left: 5px solid var(--red);
  background: #fff7f2;
  padding: 1rem;
  border-radius: 12px;
  margin: 1rem 0;
}

.footer {
  color: var(--muted);
  font-size: .92rem;
  margin-top: 2rem;
}

@media (min-width: 780px) {
  .grid.two { grid-template-columns: 1.1fr .9fr; }
}