/* ============================================================
   CEMP BLOG STYLESHEET
   Matches the CEMP main site design system
   ============================================================ */

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

:root {
  --navy: #1e3a8a;
  --indigo: #1e3a8a;
  --purple: #4c1d95;
  --violet: #6366f1;
  --cyan: #06b6d4;
  --white: #ffffff;
  --bg: #f8f9fa;
  --bg2: #f0f2f8;
  --text: #111827;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border: rgba(30,58,138,0.12);
  --card-bg: rgba(255,255,255,0.8);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; }

img { max-width: 100%; display: block; }

/* ============================
   ANIMATIONS
============================ */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================
   GLASS
============================ */
.glass {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(30,58,138,0.12);
  border-radius: 20px;
}

/* ============================
   NAVBAR
============================ */
/* Scoped to the header only. A bare `nav` selector would also capture
   the breadcrumb <nav> and pin it over the header. */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(248,249,250,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30,58,138,0.1);
  transition: background 0.3s;
}
.nav-logo img { height: 32px; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--indigo);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a.active { color: var(--cyan); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--navy), var(--purple));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30,58,138,0.28); }

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--indigo);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 65px;
  left: 0; right: 0;
  background: rgba(248,249,250,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30,58,138,0.1);
  flex-direction: column;
  z-index: 99;
  padding: 8px 0 16px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 14px 28px;
  color: var(--indigo);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.2s, background 0.2s;
}
.mobile-nav a:hover { color: var(--cyan); background: rgba(30,58,138,0.04); }

/* ============================
   READING PROGRESS BAR
============================ */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  z-index: 300;
  transition: width 0.1s linear;
}

/* ============================
   BLOG HERO (shared)
============================ */
.blog-hero {
  position: relative;
  padding: 150px 40px 80px;
  overflow: hidden;
  background: linear-gradient(135deg, #1e3a8a 0%, #2d3eb5 25%, #3b1f8c 55%, #4c1d95 100%);
  background-size: 300% 300%;
  animation: gradientShift 16s ease infinite;
  text-align: center;
}
.blog-hero::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,0.35) 0%, transparent 70%);
  filter: blur(60px);
  top: -180px; right: -120px;
  pointer-events: none;
  animation: float 10s ease-in-out infinite;
}
.blog-hero-inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; }
.blog-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.1);
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.blog-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 20px;
}
.blog-hero p.lede {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}
.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 30px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}
.post-meta span { display: inline-flex; align-items: center; gap: 7px; }
.post-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.35); }

/* ============================
   ARTICLE BODY
============================ */
.article-wrap { padding: 64px 40px 40px; }
.article {
  max-width: 780px;
  margin: 0 auto;
}
.article > p {
  font-size: 1.06rem;
  line-height: 1.85;
  color: #374151;
  margin-bottom: 22px;
}
.article > p strong { color: var(--text); font-weight: 600; }
.article h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 52px 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.article h3 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text);
  margin: 34px 0 12px;
}
.article ul, .article ol {
  margin: 0 0 24px 0;
  padding-left: 0;
  list-style: none;
}
.article ol { counter-reset: cempcount; }
.article ul li, .article ol li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 13px;
  font-size: 1.02rem;
  line-height: 1.75;
  color: #374151;
}
.article ul li::before {
  content: '';
  position: absolute;
  left: 4px; top: 11px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
}
.article ol li { counter-increment: cempcount; }
.article ol li::before {
  content: counter(cempcount);
  position: absolute;
  left: 0; top: 2px;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--purple));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article li strong { color: var(--text); font-weight: 600; }
.article a { color: var(--violet); text-decoration: none; border-bottom: 1px solid rgba(99,102,241,0.35); transition: color 0.2s, border-color 0.2s; }
.article a:hover { color: var(--cyan); border-color: var(--cyan); }

/* Callout */
.callout {
  border-left: 3px solid var(--violet);
  background: linear-gradient(90deg, rgba(99,102,241,0.07), rgba(6,182,212,0.03));
  border-radius: 0 14px 14px 0;
  padding: 22px 26px;
  margin: 32px 0;
}
.callout p { font-size: 1rem; line-height: 1.75; color: #374151; margin: 0; }
.callout p + p { margin-top: 12px; }
.callout strong { color: var(--navy); }

/* Key takeaways box */
.takeaways {
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 30px;
  margin: 36px 0;
  box-shadow: 0 6px 24px rgba(30,58,138,0.05);
}
.takeaways h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 16px;
}
.takeaways ul { margin-bottom: 0; }
.takeaways ul li:last-child { margin-bottom: 0; }

/* Comparison table */
.table-wrap { overflow-x: auto; margin: 32px 0; border-radius: 16px; border: 1px solid var(--border); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 0.94rem; min-width: 520px; }
thead th {
  background: linear-gradient(135deg, rgba(30,58,138,0.06), rgba(76,29,149,0.06));
  color: var(--navy);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-align: left;
  padding: 14px 18px;
  font-size: 0.86rem;
  letter-spacing: 0.03em;
}
tbody td { padding: 13px 18px; border-top: 1px solid var(--border); color: #374151; line-height: 1.6; }
tbody tr:hover td { background: rgba(99,102,241,0.03); }

/* Inline CTA */
.inline-cta {
  background: linear-gradient(135deg, #1e3a8a 0%, #4c1d95 100%);
  border-radius: 22px;
  padding: 36px 34px;
  margin: 44px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.inline-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(6,182,212,0.3), transparent 55%);
  pointer-events: none;
}
.inline-cta h3 { position: relative; color: #fff; font-size: 1.45rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
.inline-cta p { position: relative; color: rgba(255,255,255,0.75); font-size: 0.98rem; line-height: 1.7; max-width: 520px; margin: 0 auto 24px; }
.cta-row { position: relative; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  background: rgba(255,255,255,0.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.38);
  backdrop-filter: blur(8px);
  transition: transform 0.2s, background 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); background: rgba(255,255,255,0.26); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.15); border-color: #fff; transform: translateY(-2px); }

/* Google Play badge — CEMP Life CTA */
.play-badge { display: inline-flex; align-items: center; transition: transform 0.2s, filter 0.2s; }
.play-badge img { height: 50px; width: auto; display: block; }
.play-badge:hover { transform: translateY(-2px) scale(1.03); filter: brightness(1.08); }

/* FAQ */
.faq-section { max-width: 780px; margin: 0 auto; padding: 20px 0 0; }
.faq-item {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.7);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 14px;
}
.faq-item h3 { font-size: 1.05rem; margin: 0 0 10px; color: var(--navy); }
.faq-item p { font-size: 0.98rem; line-height: 1.75; color: #374151; margin: 0; }

/* Tag pills */
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; max-width: 780px; margin: 44px auto 0; padding: 0 0 10px; }
.tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--indigo);
  background: rgba(30,58,138,0.06);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 50px;
}

/* ============================
   RELATED POSTS
============================ */
.related {
  background: var(--bg2);
  padding: 70px 40px;
  margin-top: 70px;
  border-top: 1px solid var(--border);
}
.related-inner { max-width: 1100px; margin: 0 auto; }
.related h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.related > .related-inner > p.sub { color: var(--text-muted); font-size: 0.96rem; margin-bottom: 34px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card {
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px 24px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.post-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(30,58,138,0.1); border-color: rgba(99,102,241,0.35); }
.post-card .cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 12px;
}
.post-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.post-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; flex-grow: 1; }
.post-card .read {
  margin-top: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--indigo);
  letter-spacing: 0.02em;
}

/* ============================
   BLOG INDEX SPECIFIC
============================ */
.index-body { padding: 64px 40px 80px; }
.index-inner { max-width: 1100px; margin: 0 auto; }
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.filter-btn {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--indigo);
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border);
  padding: 9px 20px;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.filter-btn:hover { transform: translateY(-2px); border-color: rgba(99,102,241,0.4); }
.filter-btn.active { background: linear-gradient(135deg, var(--navy), var(--purple)); color: #fff; border-color: transparent; }
.post-card.hidden { display: none; }
.featured-card {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 34px;
  align-items: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #4c1d95 100%);
  border: none;
  padding: 44px 42px;
}
.featured-card .cat { color: rgba(255,255,255,0.65); }
.featured-card h3 { color: #fff; font-size: 1.9rem; line-height: 1.2; }
.featured-card p { color: rgba(255,255,255,0.72); font-size: 1rem; }
.featured-card .read { color: #fff; }
.featured-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

/* ============================
   FOOTER
============================ */
footer {
  background: linear-gradient(180deg, #1e3a8a 0%, #2d1b69 100%);
  padding: 64px 40px 36px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}
.footer-brand img { height: 28px; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-bottom-text { display: flex; flex-direction: column; gap: 6px; }
.footer-dvl { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-dvl a {
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  transition: color 0.2s, border-color 0.2s;
}
.footer-dvl a:hover { color: var(--cyan); border-color: var(--cyan); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.82rem; color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s; }
.footer-legal a:hover { color: var(--cyan); }
.footer-socials { display: flex; gap: 10px; margin-top: 20px; align-items: center; }
.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.footer-social-link:hover { color: #fff; background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.35); }
/* Email now sits in the socials row as a square icon (.footer-social-link). */

/* ============================
   BREADCRUMB
============================ */
.breadcrumb {
  max-width: 780px;
  margin: 0 auto;
  padding: 26px 40px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--indigo); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { color: var(--text-light); }

/* ============================
   RESPONSIVE
============================ */
@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1fr; gap: 20px; padding: 34px 28px; }
  .featured-card h3 { font-size: 1.5rem; }
  .footer-top { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .site-nav { padding: 16px 20px; }
  .nav-burger { display: flex; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
}
@media (max-width: 700px) {
  .blog-hero { padding: 120px 22px 60px; }
  .article-wrap { padding: 44px 22px 30px; }
  .breadcrumb { padding: 22px 22px 0; }
  .related { padding: 54px 22px; }
  .index-body { padding: 44px 22px 60px; }
  .card-grid { grid-template-columns: 1fr; }
  .inline-cta { padding: 30px 22px; }
  footer { padding: 48px 22px 30px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-text { align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 320px; justify-content: center; }
}