:root {
  --red: #e10600;
  --red-dark: #9a0400;
  --red-soft: #fff0f0;
  --blue: #1b5cff;
  --text: #241417;
  --muted: #8a7275;
  --border: #ece2e2;
  --font: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }

body {
  font-family: var(--font);
  background: #fff;
  color: var(--text);
  line-height: 1.45;
}

.page {
  max-width: 680px;
  margin: 0 auto;
  padding: 1rem 1.1rem 1.25rem;
}

/* —— Encabezado landing-g —— */
.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.brand__tag {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--red);
  background: var(--red-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.hero {
  text-align: center;
  margin-bottom: 1.75rem;
  padding: 0 0.25rem;
}

.hero h1 {
  font-size: clamp(1.15rem, 4.2vw, 1.55rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.hero h1 span { color: var(--red); }

.hero__sub {
  font-size: 0.78rem;
  color: var(--muted);
  max-width: 420px;
  margin: 0 auto 1rem;
}

.hero__cta {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(225, 6, 0, 0.25);
  transition: background 0.15s, transform 0.15s;
}

.hero__cta:hover {
  background: #b30500;
  transform: translateY(-1px);
}

/* —— Contenido manual —— */
.manual {
  margin-bottom: 1.25rem;
}

.manual__head {
  background: linear-gradient(165deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff;
  padding: 1.25rem 1.15rem;
  border-radius: 10px;
  margin-bottom: 1.25rem;
}

.manual__product {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.85;
  margin-bottom: 0.5rem;
}

.manual__title {
  font-size: clamp(1.05rem, 3.5vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 0.45rem;
}

.manual__desc {
  font-size: 0.75rem;
  opacity: 0.9;
  line-height: 1.45;
}

.manual__actions {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.manual__pdf {
  display: inline-flex;
  align-items: center;
  background: #fff;
  color: var(--red-dark);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: background 0.15s, transform 0.15s;
}

.manual__pdf:hover {
  background: var(--red-soft);
  transform: translateY(-1px);
}

.manual__section {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.manual__section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.manual__section h3 {
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 0.45rem;
  color: var(--text);
}

.manual__section p {
  font-size: 0.72rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

figure {
  margin: 0.5rem 0;
  text-align: center;
}

figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* —— Contacto (fixed top-right) —— */
.contact {
  position: fixed;
  top: 50%;
  right: 0.45rem;
  transform: translateY(-50%);
  z-index: 100;
  width: 10.5rem;
  text-align: center;
  padding: 0.45rem 0.4rem 0.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.08);
}

.contact__title {
  font-size: 0.62rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.32rem;
  line-height: 1.2;
}

.contact__actions {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}

.contact__btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.28rem;
  padding: 0.28rem 0.42rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.56rem;
  font-weight: 700;
  line-height: 1.15;
  transition: transform 0.12s, box-shadow 0.12s;
}

.contact__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}

.contact__btn svg {
  width: 0.78rem;
  height: 0.78rem;
  flex-shrink: 0;
}

.contact__btn--wa {
  background: rgba(37, 211, 102, 0.12);
  color: #128c7e;
}

.contact__btn--tel {
  background: rgba(27, 92, 255, 0.1);
  color: #1b5cff;
}

.contact__btn--tel svg {
  color: var(--red);
}

@media (max-width: 480px) {
  .page { padding: 0.85rem 1rem; }

  .contact {
    top: 50%;
    right: 0.35rem;
    transform: translateY(-50%);
    width: 9.25rem;
    padding: 0.4rem 0.35rem 0.45rem;
  }

  .contact__btn {
    font-size: 0.52rem;
    padding: 0.26rem 0.38rem;
  }
}