/* Base mínima y neutra — para que el diseño se construya encima, no para ser el diseño final. */

:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --border: #e5e5e5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.site-header {
  padding: 24px;
}

.site-title {
  margin: 0;
  font-size: 1.5rem;
}

.module-list {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.module-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.module-title {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 6px;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.access-gate {
  max-width: 420px;
  margin: 0 auto;
  padding: 24px;
}

.access-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.gate-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.gate-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--muted);
}

.gate-field input {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}

.gate-submit {
  font: inherit;
  padding: 12px;
  border: none;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
}

.gate-feedback {
  margin: 0;
  min-height: 1.2em;
  font-size: 0.85rem;
  color: #c0392b;
}