:root {
  --bg: #141310;
  --surface: #201d15;
  --surface-2: #29251a;
  --line: #3a3423;
  --ink: #f1ead9;
  --muted: #a89e86;
  --accent: #dca94f;        /* dulce de leche */
  --accent-strong: #ecbb64;
  --valid: #a2b46b;         /* yerba — link still alive */
  --expire: #d1704e;        /* about to vanish */
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem);
  font-family: var(--display);
  font-weight: 500;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* warm ambient glow, kept restrained */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60vw 40vw at 78% -8%, rgba(220, 169, 79, .14), transparent 60%),
    radial-gradient(45vw 40vw at 0% 108%, rgba(162, 180, 107, .07), transparent 55%);
  pointer-events: none;
}

/* ---- top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
}
.mark-accent { color: var(--accent); }
.tag {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .28rem .7rem;
}

/* ---- stage / hero ---- */
.stage {
  align-self: center;
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}
.headline {
  margin: 0;
  font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 4rem);
  line-height: .98;
  letter-spacing: -.04em;
}
.headline-2 { color: var(--accent); }
.lede {
  margin: 1rem 0 0;
  max-width: 30rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.5;
}

/* ---- form ---- */
.form { display: flex; flex-direction: column; gap: .85rem; }
.field { display: flex; gap: .6rem; }
@media (max-width: 460px) { .field { flex-direction: column; } }

#url {
  flex: 1;
  min-width: 0;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .9rem 1rem;
  transition: border-color .15s, box-shadow .15s;
}
#url::placeholder { color: #6f6752; }
#url:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(220, 169, 79, .22);
}

.btn {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  color: #221a08;
  background: var(--accent);
  border: 0;
  border-radius: 12px;
  padding: .9rem 1.5rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, transform .05s;
}
.btn:hover { background: var(--accent-strong); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; }
.btn:disabled { opacity: .6; cursor: progress; }

.btn-ghost {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  padding: .55rem 1rem;
  font-size: .9rem;
}
.btn-ghost:hover { background: var(--surface-2); }
.btn-ghost.ok { color: var(--valid); border-color: var(--valid); }

.turnstile { min-height: 0; }
.error { margin: 0; color: var(--expire); font-size: .9rem; }

/* ---- la ficha (signature) ---- */
.ficha {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem 1.5rem 1.5rem;
  overflow: hidden;
}
/* side notches punched at the perforation line -> reads as a torn ticket */
.ficha-notch {
  position: absolute;
  top: 3.1rem;
  width: 22px;
  height: 22px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
}
.ficha-notch-l { left: -12px; }
.ficha-notch-r { right: -12px; }
.ficha-label {
  margin: 0;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.ficha-perf {
  height: 1px;
  margin: .85rem -1.5rem 1.2rem;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.ficha-code {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 8vw, 2.6rem);
  letter-spacing: -.01em;
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.1;
}
.ficha-code:hover { color: var(--accent-strong); }
.ficha-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.1rem;
}
.ficha-expiry {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.ficha-drain {
  height: 3px;
  margin: 1.3rem -1.5rem -1.5rem;
  background: var(--surface-2);
}
.ficha-drain-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--valid);
  transition: width 1s linear, background 1s linear;
}

/* entrance "stamp" */
.ficha.stamp { animation: stamp .32s cubic-bezier(.2, .9, .3, 1.2); }
@keyframes stamp {
  0%   { opacity: 0; transform: translateY(10px) scale(.965) rotate(-.6deg); }
  100% { opacity: 1; transform: none; }
}

/* ---- footer ---- */
.footer {
  text-align: center;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--muted);
}
.footer a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.footer a:hover { color: var(--accent); border-color: var(--accent); }

[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; transition: none !important; }
}