/* La fórmula clara — landing de archivos de práctica */
:root {
  --green-dark: #1b5e20;
  --green: #2e7d32;
  --accent: #4caf50;
  --green-soft: #e8f5e9;
  --ink: #1c211d;
  --muted: #5b675d;
  --bg: #f3f6f3;
  --card: #ffffff;
  --border: #dde5dd;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

/* Cabecera de marca */
.brand { text-align: center; margin-bottom: 28px; }
.brand .badge {
  display: inline-block;
  background: var(--green-dark);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 13px;
  padding: 7px 16px;
  border-radius: 999px;
  text-transform: uppercase;
}
.brand .author { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.brand .tagline { margin: 2px 0 0; color: var(--muted); font-size: 13px; font-style: italic; }

/* Tarjeta principal */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px 28px;
  box-shadow: 0 8px 28px rgba(27, 94, 32, 0.08);
}

.eyebrow {
  color: var(--green);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 6px;
}

h1 { font-size: 26px; line-height: 1.25; margin: 0 0 10px; }

.video-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-weight: 600;
  font-size: 15px;
  padding: 8px 14px;
  border-radius: 10px;
  margin: 4px 0 14px;
}

.lead { color: var(--muted); margin: 0 0 18px; }

.benefits { list-style: none; padding: 0; margin: 0 0 22px; }
.benefits li { padding-left: 30px; position: relative; margin-bottom: 10px; }
.benefits li::before {
  content: "✓";
  position: absolute; left: 4px; top: 0;
  color: var(--accent); font-weight: 800;
}

/* Formulario */
form { margin: 0; }
.field { margin-bottom: 12px; }
input[type="email"] {
  width: 100%;
  font-size: 16px;
  padding: 13px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  outline: none;
}
input[type="email"]:focus { border-color: var(--accent); }

.consent {
  display: flex; gap: 9px; align-items: flex-start;
  font-size: 13px; color: var(--muted);
  margin-bottom: 14px;
}
.consent input { margin-top: 3px; }
.consent a { color: var(--green); }

.btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  background: var(--green-dark);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  padding: 14px 18px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--green); }
.btn:disabled { opacity: 0.6; cursor: wait; }

.form-note { font-size: 12px; color: var(--muted); text-align: center; margin: 12px 0 0; }
.form-error { color: #b3261e; font-size: 14px; margin: 10px 0 0; }

/* Panel de éxito */
.success {
  text-align: center;
  padding: 8px 4px;
}
.success .big { font-size: 40px; margin: 0 0 8px; }
.success h2 { margin: 0 0 8px; font-size: 22px; }
.success p { color: var(--muted); margin: 0; }

/* Índice de descargas (gracias.html) */
.file-list { list-style: none; padding: 0; margin: 18px 0 0; }
.file-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  background: #fff;
}
.file-card.mine {
  border-color: var(--accent);
  background: var(--green-soft);
  box-shadow: 0 4px 14px rgba(76, 175, 80, 0.18);
}
.file-card .mine-tag {
  display: inline-block;
  background: var(--green-dark);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 6px;
}
.file-card h3 { margin: 0 0 10px; font-size: 16px; }
.file-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-small {
  display: inline-block;
  background: var(--green-dark);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  padding: 8px 14px;
  text-decoration: none;
}
.btn-small:hover { background: var(--green); }
.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--green-dark);
  border: 1.5px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  padding: 8px 14px;
  text-decoration: none;
}
.btn-ghost:hover { border-color: var(--accent); }

/* Texto legal (privacidad.html) */
.legal h1 { font-size: 24px; }
.legal h2 { font-size: 17px; margin: 22px 0 6px; }
.legal p, .legal li { font-size: 14.5px; color: #333a34; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 28px;
}
footer a { color: var(--green); }