/* Corporate Travel India — Shared Stylesheet */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy: #0D2B45;
  --teal: #0E7C7B;
  --bg-light: #F4F6F8;
  --text: #2C2C2C;
  --text-muted: #606670;
  --border: #DDE1E6;
  --white: #FFFFFF;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ── */
header {
  background: var(--navy);
  padding: 18px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.site-brand {
  text-decoration: none;
}

.site-name {
  display: block;
  font-size: 21px;
  font-weight: 700;
  color: #FFFFFF;
  text-decoration: none;
  letter-spacing: -0.3px;
}

a.site-name:hover {
  text-decoration: underline;
}

.site-tagline {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  margin-top: 2px;
  letter-spacing: 0.2px;
}

header nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
}

header nav a {
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

header nav a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* ── Breadcrumbs ── */
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.4;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--border);
}

/* ── Main ── */
main {
  padding: 44px 0 72px;
}

/* ── Article Typography ── */
article h1 {
  font-size: 2.05rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.22;
  margin-bottom: 18px;
  letter-spacing: -0.4px;
}

.article-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-meta span {
  margin-right: 16px;
}

.intro {
  font-size: 18px;
  line-height: 1.72;
  color: #444;
  margin-bottom: 36px;
}

h2 {
  font-size: 1.42rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: 42px;
  margin-bottom: 14px;
  line-height: 1.28;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 1.07rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: 26px;
  margin-bottom: 10px;
}

p {
  margin-bottom: 16px;
}

ul, ol {
  margin-bottom: 16px;
  padding-left: 26px;
}

li {
  margin-bottom: 7px;
}

strong {
  font-weight: 600;
  color: var(--text);
}

/* ── Key Takeaways ── */
.key-takeaways {
  background: var(--bg-light);
  border-left: 4px solid var(--teal);
  padding: 24px 28px 20px;
  margin: 32px 0;
  border-radius: 0 6px 6px 0;
}

.key-takeaways h3 {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 0;
  margin-bottom: 14px;
}

.key-takeaways ul {
  padding-left: 20px;
  margin-bottom: 0;
}

.key-takeaways li {
  font-size: 15.5px;
  color: var(--text);
  margin-bottom: 9px;
}

.key-takeaways li:last-child {
  margin-bottom: 0;
}

/* ── Tables ── */
.table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 480px;
}

.data-table thead th {
  background: var(--navy);
  color: #FFFFFF;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 13.5px;
}

.data-table tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:nth-child(even) td {
  background: var(--bg-light);
}

/* ── FAQ Section ── */
.faq-section {
  margin-top: 52px;
  padding-top: 32px;
  border-top: 2px solid var(--border);
}

.faq-section > h2 {
  margin-top: 0;
  margin-bottom: 28px;
}

.faq-item {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.faq-item h3 {
  font-size: 1.02rem;
  color: var(--navy);
  margin-top: 0;
  margin-bottom: 8px;
  font-weight: 700;
  line-height: 1.4;
}

.faq-item p {
  font-size: 15.5px;
  color: var(--text);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ── Further Reading ── */
.further-reading {
  background: var(--bg-light);
  padding: 24px 28px;
  border-radius: 6px;
  margin-top: 44px;
  border: 1px solid var(--border);
}

.further-reading h2 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 1.1rem;
  color: var(--navy);
}

.further-reading ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.further-reading li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.further-reading li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.further-reading a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 500;
}

.further-reading a:hover {
  text-decoration: underline;
}

.further-reading .ext-link::after {
  content: ' ↗';
  font-size: 12px;
  opacity: 0.7;
}

/* ── Homepage ── */
.homepage-hero {
  background: var(--navy);
  color: #FFFFFF;
  padding: 56px 0 48px;
  text-align: center;
}

.homepage-hero h1 {
  font-size: 2.3rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.homepage-hero p {
  font-size: 17.5px;
  opacity: 0.85;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.65;
}

.intro-section {
  padding: 48px 0 36px;
}

.intro-section p {
  font-size: 17px;
  margin-bottom: 20px;
  color: var(--text);
}

/* ── Article Cards / Grid ── */
.articles-section {
  background: var(--bg-light);
  padding: 48px 0 56px;
}

.section-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 30px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 22px;
}

.article-card {
  background: var(--white);
  border-radius: 8px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.article-card:hover {
  box-shadow: 0 4px 18px rgba(13, 43, 69, 0.10);
  border-color: #C0C8D0;
}

.card-tag {
  display: inline-block;
  background: var(--teal);
  color: #FFFFFF;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 13px;
  align-self: flex-start;
}

.article-card h2 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-top: 0;
  margin-bottom: 9px;
  line-height: 1.35;
}

.article-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.58;
  flex: 1;
}

.card-link {
  color: var(--teal);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  align-self: flex-start;
}

.card-link:hover {
  text-decoration: underline;
}

/* ── Footer ── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.72);
  padding: 28px 0;
  text-align: center;
  font-size: 13.5px;
  line-height: 1.6;
}

footer a {
  color: rgba(255,255,255,0.88);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

  article h1 {
    font-size: 1.65rem;
  }

  h2 {
    font-size: 1.25rem;
    margin-top: 34px;
  }

  .intro {
    font-size: 16.5px;
  }

  .homepage-hero h1 {
    font-size: 1.75rem;
  }

  .homepage-hero p {
    font-size: 16px;
  }

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

  .key-takeaways {
    padding: 18px 20px;
  }

  .further-reading {
    padding: 18px 20px;
  }

  header nav {
    gap: 14px;
  }

  header nav a {
    font-size: 13px;
  }
}

@media (max-width: 420px) {
  .container {
    padding: 0 16px;
  }

  article h1 {
    font-size: 1.45rem;
  }
}