/* =====================
   INNER PAGES SHARED
   ===================== */

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, rgba(10,10,10,0.95) 0%, transparent 100%);
}

.back-link {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--dim);
  text-decoration: none;
  transition: color 0.3s ease;
}
.back-link:hover { color: var(--white); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  color: var(--dim);
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--white);
  opacity: 0.4;
}

/* ── Language Toggle ── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 1px solid rgba(240, 237, 232, 0.3);
  border-radius: 20px;
  padding: 3px 5px;
  cursor: pointer;
  font-size: 10px;
  font-family: var(--font, Helvetica, Arial, sans-serif);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  transition: border-color 0.2s, color 0.2s;
  user-select: none;
  flex-shrink: 0;
}
.lang-toggle:hover {
  border-color: rgba(240, 237, 232, 0.6);
  color: var(--white);
}
.lang-toggle .lang-opt {
  padding: 2px 7px;
  border-radius: 12px;
  color: var(--dim);
  transition: background 0.2s, color 0.2s;
  line-height: 1.4;
}
.lang-toggle .lang-opt.active {
  background: var(--white);
  color: var(--black);
}

/* hide/show translated content */
[data-lang]      { display: none; }
span[data-lang]  { display: none; }

.lang-es [data-lang="es"]      { display: revert; }
.lang-en [data-lang="en"]      { display: revert; }
.lang-es span[data-lang="es"]  { display: inline; }
.lang-en span[data-lang="en"]  { display: inline; }

/* PAGE HERO */
.page-hero {
  padding: 160px 48px 80px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.page-num {
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0.3;
}

.page-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(56px, 9vw, 120px);
  line-height: 0.9;
  letter-spacing: -0.02em;
}
.page-title em {
  font-style: italic;
  opacity: 0.5;
}

.page-sub {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--dim);
  margin-top: 8px;
}

/* DIVIDER */
.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0 48px;
  max-width: 1100px;
  width: calc(100% - 96px);
}

/* =====================
   CASE STUDIES
   ===================== */
.cases-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 48px 120px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 80px 60px;
}

.case {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-tag {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.4;
}

.case-year {
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.3;
}

.video-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #111;
  overflow: hidden;
}

.video-wrap iframe,
.video-wrap video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.case-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #111;
}

.placeholder-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
}
.placeholder-cover span {
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.25;
  text-transform: lowercase;
}

.case-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 28px;
  letter-spacing: -0.01em;
}

.case-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

.metrics-row {
  display: flex;
  gap: 32px;
  margin-top: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-value {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 32px;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--dim);
}

/* =====================
   EMAIL MARKETING
   ===================== */
.email-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 48px 120px;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.global-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}

.big-metric {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--line);
}
.big-metric:last-child { border-right: none; }

.big-value {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: -0.02em;
}
.big-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--dim);
}
.big-bench {
  font-size: 11px;
  opacity: 0.3;
  margin-top: 4px;
  letter-spacing: 0.06em;
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 20px;
  opacity: 0.45;
  margin-bottom: 32px;
  letter-spacing: 0.01em;
}

.campaign-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.campaign-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}
.campaign-row:first-child { border-top: 1px solid var(--line); }

.campaign-tag {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.35;
  display: block;
  margin-bottom: 10px;
}
.campaign-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 24px;
  margin-bottom: 8px;
}
.campaign-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--dim);
  max-width: 420px;
}

.campaign-stats {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
}
.stat-val {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 28px;
  letter-spacing: -0.01em;
}
.stat-key {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  opacity: 0.4;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.insight-card {
  padding: 32px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.insight-icon {
  font-size: 20px;
  opacity: 0.4;
}
.insight-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

/* =====================
   CONTENT MEDIA
   ===================== */
.media-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 48px 120px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 48px;
}

.media-item {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.media-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.media-tag {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.35;
}

.media-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.media-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--dim);
}

/* =====================
   RESPONSIVE INNER
   ===================== */
@media (max-width: 768px) {

  /* Header: dos filas — back-link arriba, nav + toggle abajo */
  .site-header {
    padding: 16px 20px;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .header-nav {
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
  }

  /* El toggle se achica un poco más en mobile */
  .lang-toggle {
    font-size: 9px;
    padding: 2px 4px;
  }
  .lang-toggle .lang-opt {
    padding: 2px 6px;
  }

  .page-hero {
    padding: 110px 20px 52px;
  }

  .cases-grid,
  .media-grid {
    grid-template-columns: 1fr;
    padding: 60px 20px 80px;
    gap: 60px;
  }

  .email-content {
    padding: 60px 20px 80px;
  }

  .global-metrics {
    grid-template-columns: 1fr;
  }
  .big-metric {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 28px 20px;
  }
  .big-metric:last-child { border-bottom: none; }

  .campaign-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .campaign-stats {
    flex-wrap: wrap;
    gap: 16px;
  }
  .stat { text-align: left; }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .divider {
    margin: 0 20px;
    width: calc(100% - 40px);
  }
}