:root {
  --navy: #121826;
  --green: #377d3e;
  --green-dark: #2f6934;
  --text: #1f2937;
  --muted: #5f6f84;
  --surface: #ffffff;
  --page-bg: #f4f7fb;
  --border: #dbe4ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: radial-gradient(circle at top left, #f8fbff 0%, var(--page-bg) 55%, #eff4fa 100%);
  color: var(--text);
}

.wrap {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.blog-section {
  padding: clamp(30px, 5vw, 54px) 0 78px;
}

.blog-header {
  text-align: center;
  margin-bottom: clamp(20px, 4vw, 34px);
}

.blog-header h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.55rem, 3.3vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.blog-header p {
  margin: 10px auto 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.7vw, 1.05rem);
  line-height: 1.6;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(18, 24, 38, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: #bccce0;
  box-shadow: 0 18px 40px rgba(18, 24, 38, 0.14);
}

.image-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #eaf0f8;
  overflow: hidden;
}

.image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

.blog-card:hover .image-wrap img {
  transform: scale(1.05);
}

.blog-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(16px, 2.5vw, 22px);
  flex: 1;
}

.blog-content h3 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
  line-height: 1.34;
}

.duration {
  color: var(--green);
  font-size: 0.82em;
  font-weight: 700;
  white-space: nowrap;
}

.short-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
  font-size: 0.95rem;
}

.more-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.28s ease;
}

.blog-card.active .more-content {
  max-height: 260px;
  opacity: 1;
}

.more-content ul {
  margin: 2px 0 0;
  padding-left: 18px;
}

.more-content li {
  margin: 7px 0;
  color: #34485f;
  font-size: 0.92rem;
  line-height: 1.45;
}

.read-more-btn {
  margin-top: auto;
  align-self: flex-start;
  border: 1px solid var(--green);
  background: var(--green);
  color: #fff;
  border-radius: 999px;
  padding: 10px 15px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.read-more-btn:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
}

.blog-card.active .read-more-btn {
  background: #fff;
  color: var(--green);
}

@media (max-width: 768px) {
  .mobile-hidden {
    display: none;
  }

  .blog-section {
    padding-top: 26px;
    padding-bottom: 60px;
  }
}