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

:root {
  --red:      #8b1a1a;
  --red-dark: #6e1414;
  --text:     #555555;
  --text-dark:#222222;
  --muted:    #777777;
  --footer-bg:#3a3a3a;
  --pad-x:    20px;
}

body {
  font-family: 'Open Sans', sans-serif;
  background: #ffffff;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ─── LAYOUT WRAPPER ─── */
.page {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── HEADER ─── */
.header {
  position: relative;
  padding: 40px var(--pad-x) 28px;
  overflow: hidden;
}

.header__decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 130px;
  height: 110px;
  pointer-events: none;
  opacity: 0.3;
}

.header__title {
  font-family: 'Crimson Text', Georgia, serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--red);
  line-height: 1.15;
  margin-bottom: 12px;
  position: relative;
  max-width: calc(100% - 90px); /* evita solapamiento con la decoración */
}

.header__subtitle {
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.01em;
  position: relative;
}

.header__subtitle strong {
  color: #333;
  font-weight: 700;
}

/* ─── BODY COPY ─── */
.body-copy {
  padding: 16px var(--pad-x) 32px;
  text-align: center;
}

.body-copy p {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 24px;
  color: var(--text);
}

.body-copy p:last-child {
  margin-bottom: 0;
}

.body-copy strong {
  color: var(--text-dark);
  font-weight: 700;
}

/* ─── SEPARADOR ─── */
.divider {
  height: 1px;
  background: #e8e8e8;
  margin: 0 var(--pad-x);
}

/* ─── EVENT BLOCK ─── */
.event-block {
  padding: 28px var(--pad-x);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.event-block__logo {
  flex-shrink: 0;
}

.cnf-logo {
  width: 80px;
  height: 80px;
}

.event-block__info {
  width: 100%;
}

.event-block__title {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
  line-height: 1.2;
}

.event-block__details {
  display: flex;
  justify-content: center;
  gap: 0;
}

.event-detail {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  align-items: center;
}

.event-detail__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #444;
}

.event-detail__value {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.01em;
  line-height: 1;
}

.event-detail__separator {
  width: 3px;
  background: var(--red);
  margin: 4px 18px;
  border-radius: 2px;
  align-self: stretch;
}

/* ─── CTA ─── */
.cta {
  padding: 32px var(--pad-x) 44px;
  text-align: center;
}

.cta__btn {
  display: block;
  width: 100%;
  background: var(--red);
  color: #ffffff;
  font-family: 'Open Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 18px 24px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
  box-shadow: 0 4px 16px rgba(139, 26, 26, 0.3);
  -webkit-tap-highlight-color: transparent;
}

.cta__btn:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 26, 26, 0.4);
}

.cta__btn:active {
  transform: translateY(0);
  background: var(--red-dark);
}

.cta__note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: #aaa;
  letter-spacing: 0.02em;
}

/* ─── FOOTER ─── */
.footer {
  margin-top: auto;
  background: var(--footer-bg);
  color: #e0e0e0;
  text-align: center;
  padding: 22px var(--pad-x);
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer a {
  color: #e0e0e0;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.3);
}

.footer a:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.footer strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #bbb;
}

/* ─── TABLET / DESKTOP ─── */
@media (min-width: 560px) {
  :root {
    --pad-x: 48px;
  }

  .header__decoration {
    width: 200px;
    height: 165px;
    opacity: 0.35;
  }

  .header__title {
    font-size: 3.2rem;
    max-width: calc(100% - 160px);
  }

  .header__subtitle {
    font-size: 0.95rem;
  }

  .body-copy p {
    font-size: 1.2rem;
  }

  .event-block {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 28px;
  }

  .event-block__info {
    width: auto;
  }

  .event-block__details {
    justify-content: flex-start;
  }

  .event-detail {
    align-items: flex-start;
  }

  .cnf-logo {
    width: 90px;
    height: 90px;
  }

  .event-block__title {
    font-size: 1.35rem;
  }

  .event-detail__value {
    font-size: 2.4rem;
  }

  .cta__btn {
    display: inline-block;
    width: auto;
    padding: 18px 56px;
    font-size: 1.05rem;
  }

  .footer {
    font-size: 0.92rem;
  }
}