:root {
  --soft-pink: #fff5f5;
  --teal: #1abc9c;
  --teal-dark: #138a73;
  --ink: #1f2d2a;
  --muted: #5e6e6a;
  --card: #ffffff;
  --border: #dcefeb;
  --shadow: 0 16px 45px rgba(17, 102, 86, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Montserrat", "Segoe UI", Tahoma, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(26, 188, 156, 0.16) 0, rgba(26, 188, 156, 0) 38%),
    radial-gradient(circle at 88% 2%, rgba(255, 196, 196, 0.3) 0, rgba(255, 196, 196, 0) 40%),
    var(--soft-pink);
  line-height: 1.6;
}

.bn {
  font-family: "Hind Siliguri", "Noto Sans Bengali", sans-serif;
}

.lang-bn {
  display: none;
}

body[data-lang="bn"] .lang-en {
  display: none;
}

body[data-lang="bn"] .lang-bn {
  display: inline;
}

body[data-lang="bn"] p.lang-bn,
body[data-lang="bn"] article.lang-bn,
body[data-lang="bn"] .table-wrap.lang-bn {
  display: block;
}

body[data-lang="bn"] .faq-item.lang-bn {
  display: block;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 245, 245, 0.86);
  border-bottom: 1px solid rgba(26, 188, 156, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 0.42rem 0.78rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background-color: rgba(26, 188, 156, 0.14);
  color: var(--teal-dark);
  outline: none;
}

.main-nav a.active {
  background: rgba(26, 188, 156, 0.22);
  color: var(--teal-dark);
  font-weight: 700;
}

.blog-dropdown {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  width: min(560px, 92vw);
  max-height: 360px;
  overflow-y: auto;
  padding: 0.55rem;
  border-radius: 0.95rem;
  border: 1px solid rgba(26, 188, 156, 0.28);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 42px rgba(17, 102, 86, 0.22);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 130;
}

.blog-dropdown a {
  display: block;
  font-size: 0.9rem;
  border-radius: 0.6rem;
  padding: 0.55rem 0.62rem;
  line-height: 1.4;
}

.blog-dropdown a.active {
  background: rgba(26, 188, 156, 0.22);
}

.has-dropdown:hover .blog-dropdown,
.has-dropdown:focus-within .blog-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  font-family: inherit;
}

.lang-btn[aria-pressed="true"] {
  background: rgba(26, 188, 156, 0.2);
  color: var(--teal-dark);
}

.lang-btn:focus-visible {
  outline: 2px solid rgba(26, 188, 156, 0.55);
  outline-offset: 2px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
  padding: 0.2rem 0.35rem;
  border-radius: 999px;
  border: 1px solid rgba(26, 188, 156, 0.35);
}

.breadcrumb {
  margin-top: 1.35rem;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb li + li::before {
  content: ">";
  margin-right: 0.55rem;
  color: #89a59f;
}

.breadcrumb a {
  text-decoration: none;
  color: var(--teal-dark);
}

.hero {
  margin-top: 1.45rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.kicker {
  margin: 0 0 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--teal-dark);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 3.1rem);
  line-height: 1.2;
}

.hero p {
  color: var(--muted);
  margin: 1rem 0 1.4rem;
  max-width: 58ch;
}

.cta {
  display: inline-block;
  text-decoration: none;
  background: linear-gradient(135deg, var(--teal), #14a085);
  color: #ffffff;
  font-weight: 700;
  padding: 0.82rem 1.4rem;
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(26, 188, 156, 0.32);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(26, 188, 156, 0.4);
  outline: none;
}

.hero-media {
  border-radius: 1.25rem;
  border: 1px solid rgba(26, 188, 156, 0.22);
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.8), rgba(26, 188, 156, 0.08)),
    repeating-linear-gradient(45deg, rgba(26, 188, 156, 0.07) 0 12px, rgba(255, 245, 245, 0.7) 12px 24px);
  min-height: 360px;
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
}

.placeholder-content {
  width: 72%;
  border: 2px dashed rgba(26, 188, 156, 0.55);
  border-radius: 1rem;
  text-align: center;
  padding: 2.2rem 1rem;
  color: var(--teal-dark);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.6);
}

.categories {
  margin: 3rem 0 4rem;
}

.categories h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border-radius: 1rem;
  border: 1px solid var(--border);
  padding: 1.15rem;
  box-shadow: 0 6px 18px rgba(31, 45, 42, 0.08);
}

.card h3 {
  margin: 0 0 0.35rem;
  color: var(--teal-dark);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.guide,
.steps,
.routine-table,
.faq {
  margin-top: 2.6rem;
}

.guide p,
.steps p,
.routine-table p,
.faq p {
  color: var(--muted);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.step-card,
.faq-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.1rem;
  box-shadow: 0 6px 20px rgba(19, 138, 115, 0.08);
}

.step-card h3,
.faq-item h3 {
  margin: 0;
  color: var(--teal-dark);
}

.step-card p,
.faq-item p {
  margin-bottom: 0;
}

.table-wrap {
  margin-top: 0.85rem;
  border-radius: 1rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(22, 101, 86, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

caption {
  padding: 0.8rem;
  font-weight: 700;
  color: var(--teal-dark);
  text-align: left;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 0.8rem;
  text-align: left;
  vertical-align: top;
}

thead th {
  background: rgba(26, 188, 156, 0.12);
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.post-shell {
  padding: 1.4rem 0 3rem;
}

.post-content {
  max-width: 840px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: clamp(1rem, 2.2vw, 2rem);
  box-shadow: 0 10px 26px rgba(19, 138, 115, 0.1);
}

.post-content h1 {
  margin-top: 0;
  line-height: 1.2;
}

.post-content h2 {
  color: var(--teal-dark);
  margin-top: 1.4rem;
  margin-bottom: 0.5rem;
}

.post-content p,
.post-content li {
  color: var(--muted);
}

.post-content ul {
  padding-left: 1.1rem;
}

.site-footer {
  border-top: 1px solid rgba(26, 188, 156, 0.2);
  background: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1rem 0 1.4rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .hero-media {
    min-height: 300px;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav ul {
    justify-content: flex-start;
  }

  .blog-dropdown {
    position: static;
    width: 100%;
    max-height: none;
    margin-top: 0.3rem;
    box-shadow: none;
    border: 1px solid rgba(26, 188, 156, 0.22);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .has-dropdown:focus-within .blog-dropdown,
  .has-dropdown:hover .blog-dropdown {
    display: grid;
  }

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

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

  .hero h1 {
    font-size: 1.7rem;
  }
}