.lesson2-5-page {
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
}

.lesson2-5-page .navbar,
.lesson2-5-page .nav-menu {
  direction: ltr;
}

.lesson2-5-page .site-header {
  background: rgba(244, 248, 246, 0.82);
  border-bottom-color: rgba(13, 143, 110, 0.12);
}

.lesson2-5-page .logo,
.lesson2-5-page .nav-menu a {
  color: var(--color-text);
}

.l25-main {
  padding: clamp(1rem, 3vw, 1.5rem) 0 clamp(2.8rem, 8vw, 4.8rem);
}

.l25-container {
  max-width: min(100%, 940px);
}

.l25-back {
  margin: 0 0 0.85rem;
  text-align: left;
  direction: ltr;
}

.l25-back a {
  color: #1e6b56;
  font-size: 0.95rem;
  font-weight: 600;
}

.l25-hero {
  text-align: center;
  margin-bottom: 1rem;
}

.l25-hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: #18352d;
}

.l25-hero p {
  margin: 0.4rem 0 0;
  color: #4f6760;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  font-weight: 600;
}

.l25-panel {
  margin-top: 1rem;
  border: 1px solid rgba(171, 225, 208, 0.12);
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(36, 67, 82, 0.92), rgba(30, 54, 68, 0.94));
  box-shadow: 0 18px 36px rgba(2, 10, 15, 0.28);
  padding: clamp(1rem, 3vw, 1.6rem);
}

.l25-panel h2 {
  margin: 0 0 0.75rem;
  text-align: center;
  color: #f3fffb;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
}

.l25-intro {
  margin: 0 auto 1rem;
  max-width: 88%;
  color: #d4e8e1;
  text-align: center;
  line-height: 1.9;
}

.l25-tips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.l25-tips li {
  position: relative;
  padding: 0.44rem 0.8rem 0.44rem 0.7rem;
  color: #eff9f5;
  line-height: 1.9;
  border-right: 4px solid #24f0b7;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 9px;
}

.l25-cta-row {
  margin-top: 1.1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.l25-cta {
  justify-content: center;
  text-align: center;
  min-height: 50px;
  border-radius: 999px;
  font-weight: 700;
}

.l25-cta--wa {
  background: linear-gradient(135deg, #18b87b, #0f9d67);
  border-color: transparent;
  color: #ffffff;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.l25-cta--wa:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(21, 161, 108, 0.25);
  filter: saturate(1.04);
}

.l25-cta--wa:active {
  transform: scale(0.98);
}

.l25-cta--wa.is-pressed {
  animation: l25-btn-pop 420ms ease;
}

.l25-feature-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.l25-feature {
  border-radius: 16px;
  border: 1px solid rgba(180, 223, 210, 0.14);
  background: rgba(173, 220, 205, 0.1);
  padding: 0.85rem 0.75rem;
  text-align: center;
}

.l25-feature h3 {
  margin: 0;
  font-size: 1.35rem;
  color: #f0fffa;
}

.l25-feature p {
  margin: 0.3rem 0 0;
  color: #cae5dc;
}

@keyframes l25-btn-pop {
  0% { transform: scale(1); }
  45% { transform: scale(0.96); }
  100% { transform: scale(1); }
}

@media (max-width: 860px) {
  .l25-intro {
    max-width: 100%;
  }
}

@media (max-width: 760px) {
  .l25-main {
    padding: 0.8rem 0 2.2rem;
  }

  .l25-container {
    padding-inline: 0.75rem;
  }

  .l25-panel {
    border-radius: 18px;
    padding: 0.92rem;
  }

  .l25-panel h2 {
    font-size: clamp(1.15rem, 5.4vw, 1.48rem);
  }

  .l25-intro,
  .l25-tips li {
    font-size: 0.96rem;
    line-height: 1.82;
  }

  .l25-cta-row {
    grid-template-columns: 1fr;
  }

  .l25-feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .l25-cta--wa {
    transition: none;
  }

  .l25-cta--wa.is-pressed {
    animation: none;
  }
}