/* Dual-language landing and learning-center additions. */

.language-switcher,
.gateway-actions,
.learning-grid,
.journey-grid,
.language-grid {
  --lang-border: rgba(15, 23, 42, 0.10);
  --lang-soft: rgba(255, 255, 255, 0.72);
  --lang-muted: #64748b;
}

.language-switcher {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--lang-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #42526b;
  font-size: 0.88rem;
  font-weight: 560;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.language-switcher a:hover {
  transform: translateY(-1px);
  color: #0f172a;
  background: rgba(239, 246, 255, 0.86);
}

.language-switcher a.is-active {
  color: #0f172a;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.10);
}

.language-gateway {
  min-height: calc(100vh - 140px);
  display: grid;
  align-items: center;
  padding-block: 72px;
}

.language-gateway__card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 34px;
  background:
    radial-gradient(circle at 16% 12%, rgba(59, 130, 246, 0.14), transparent 28%),
    radial-gradient(circle at 86% 20%, rgba(249, 115, 22, 0.13), transparent 30%),
    rgba(255, 255, 255, 0.82);
  box-shadow: 0 28px 90px rgba(15, 23, 42, 0.11);
  backdrop-filter: blur(18px);
}

.language-gateway__card h1 {
  margin: 0;
  max-width: 760px;
  color: #0f172a;
  font-size: clamp(2.5rem, 5vw, 5.1rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.language-gateway__card p {
  max-width: 680px;
  color: #53627a;
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  line-height: 1.72;
}

.gateway-actions {
  display: grid;
  gap: 14px;
}

.gateway-actions a {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--lang-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
  color: #0f172a;
  text-decoration: none;
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.07);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.22s ease;
}

.gateway-actions a:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.26);
  box-shadow: 0 26px 70px rgba(37, 99, 235, 0.13);
}

.gateway-actions strong {
  font-size: 1.18rem;
  font-weight: 650;
}

.gateway-actions span {
  color: var(--lang-muted);
  line-height: 1.5;
}

.learning-grid,
.journey-grid {
  display: grid;
  gap: 16px;
}

.learning-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.journey-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.learning-card,
.journey-card {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 52px rgba(15, 23, 42, 0.07);
}

.learning-card::before,
.journey-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #fb923c);
  opacity: 0.78;
}

.learning-card span,
.journey-card span {
  color: #f97316;
  font-size: 0.76rem;
  font-weight: 680;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.learning-card h3,
.journey-card h3 {
  margin: 0;
  color: #0f172a;
  font-size: 1.16rem;
  line-height: 1.25;
}

.learning-card p,
.journey-card p {
  margin: 0;
  color: #5d6b82;
  line-height: 1.58;
}

.info-center-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 24px;
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.86), rgba(255, 247, 237, 0.74));
}

.info-center-strip p {
  margin: 0;
  color: #526077;
  line-height: 1.65;
}

.info-center-strip strong {
  color: #0f172a;
}

/* Landing layout audit fixes.
   Keep bilingual landing calm, readable, and structurally stable. */
.site-header {
  grid-template-columns: auto minmax(0, 1fr) auto auto !important;
  min-height: 60px;
  gap: 10px;
  padding: 8px 10px 8px 14px;
}

.brand {
  min-width: 150px;
  gap: 10px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
}

.brand-copy strong {
  font-size: 0.96rem;
  font-weight: 560;
}

.brand-copy small {
  font-size: 0.72rem;
}

.nav-links {
  min-width: 0;
  justify-content: center;
  overflow: hidden;
  gap: 2px;
}

.nav-links a {
  white-space: nowrap;
  padding: 7px 9px;
  font-size: 0.82rem;
}

.language-switcher {
  flex: none;
  padding: 4px;
}

.language-switcher a {
  min-width: 34px;
  padding: 6px 9px;
  font-size: 0.8rem;
}

.nav-cta {
  flex: none;
  min-height: 38px;
  padding-inline: 15px;
  font-size: 0.86rem;
}

main {
  padding-top: 22px;
}

.hero-section {
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(24px, 4vw, 38px);
  padding: clamp(36px, 4.8vw, 52px);
}

.hero-content {
  max-width: 610px;
}

h1 {
  max-width: 660px;
  margin-bottom: 16px;
  font-size: clamp(2.3rem, 4.1vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

h2 {
  max-width: 640px;
  font-size: clamp(1.55rem, 2.25vw, 2.25rem);
  line-height: 1.14;
  letter-spacing: -0.028em;
}

h3 {
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.hero-lead {
  max-width: 560px;
  font-size: clamp(0.98rem, 1.18vw, 1.1rem);
  line-height: 1.62;
}

.section {
  padding: clamp(34px, 4vw, 46px);
}

.section-heading {
  display: block !important;
  max-width: 780px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 12px;
}

.section-heading p:not(.section-kicker) {
  max-width: 720px;
  line-height: 1.62;
}

.section-kicker,
.eyebrow {
  margin-bottom: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.075em;
}

.learning-card,
.journey-card,
.wiki-grid a {
  min-height: 0;
  padding: 20px;
}

.learning-card span,
.journey-card span {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.learning-card h3,
.journey-card h3 {
  font-size: 1.02rem;
}

.learning-card p,
.journey-card p,
.wiki-grid span {
  font-size: 0.9rem;
  line-height: 1.5;
}

.final-cta {
  padding: clamp(32px, 4vw, 42px);
}

.final-cta h2 {
  max-width: 620px;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto minmax(0, 1fr) auto !important;
    border-radius: 28px;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 4px 2px 2px;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .brand {
    min-width: 0;
  }
}

@media (max-width: 980px) {
  .language-gateway__card,
  .learning-grid,
  .journey-grid,
  .info-center-strip {
    grid-template-columns: 1fr;
  }

  .hero-section {
    grid-template-columns: 1fr;
  }

  .hero-content,
  .hero-lead,
  h1,
  h2 {
    max-width: none;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .site-header {
    grid-template-columns: auto auto !important;
  }

  .language-switcher {
    justify-self: end;
  }
}

@media (max-width: 640px) {
  .language-switcher {
    width: auto;
  }

  .language-switcher a {
    flex: none;
  }

  .language-gateway {
    padding-block: 36px;
  }

  .language-gateway__card {
    border-radius: 26px;
  }

  .hero-section,
  .section,
  .final-cta {
    padding: 24px;
  }

  h1 {
    font-size: clamp(2rem, 10.5vw, 2.75rem);
    line-height: 1.06;
    letter-spacing: -0.038em;
  }

  h2 {
    font-size: clamp(1.42rem, 7vw, 1.85rem);
  }
}