/**
 * Educational Edge - Core Design System & Stylesheet
 * Domain: https://edu4edge.com
 * Contact: admin@edu4edge.com
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --color-primary-navy: #071B3A;
  --color-secondary-navy: #0B2A52;
  --color-primary-blue: #0B73E8;
  --color-bright-blue: #1677FF;
  --color-light-blue: #EAF4FF;
  --color-very-light-bg: #F7FAFD;
  --color-white: #FFFFFF;
  --color-main-text: #172033;
  --color-secondary-text: #64748B;
  --color-borders: #E5EAF0;
  --color-border-hover: #CBD5E1;
  --color-star-amber: #F59E0B;
  --color-success: #10B981;

  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-md: 1.125rem;    /* 18px */
  --font-size-lg: 1.25rem;     /* 20px */
  --font-size-xl: 1.5rem;      /* 24px */
  --font-size-2xl: 1.875rem;   /* 30px */
  --font-size-3xl: 2.25rem;    /* 36px */
  --font-size-4xl: 3rem;       /* 48px */
  --font-size-5xl: 3.75rem;    /* 60px */

  /* Shadows */
  --shadow-sm: 0 2px 6px rgba(7, 27, 58, 0.04);
  --shadow-md: 0 6px 20px rgba(7, 27, 58, 0.06);
  --shadow-lg: 0 12px 32px rgba(7, 27, 58, 0.09);
  --shadow-xl: 0 20px 48px rgba(7, 27, 58, 0.12);
  --shadow-card-hover: 0 16px 36px rgba(11, 115, 232, 0.12);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max-width: 1280px;
  --header-height: 84px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--color-main-text);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-primary-blue);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 99999;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--color-bright-blue);
}

/* Common Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary-navy);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: 1.2rem;
  color: var(--color-secondary-text);
}
p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
a:hover {
  color: var(--color-bright-blue);
}

/* Section Header Shared Styles */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-blue);
  background-color: var(--color-light-blue);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary-navy);
  margin-bottom: 16px;
  line-height: 1.25;
}
.section-title span.highlight {
  color: var(--color-primary-blue);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-secondary-text);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: 700;
  line-height: 1;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-bright-blue);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(11, 115, 232, 0.28);
}
.btn-primary:hover {
  background-color: var(--color-bright-blue);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(11, 115, 232, 0.38);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-navy);
  border-color: var(--color-borders);
  background-color: var(--color-white);
}
.btn-secondary:hover {
  border-color: var(--color-primary-blue);
  color: var(--color-primary-blue);
  background-color: var(--color-light-blue);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary-navy);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.btn-white:hover {
  background-color: var(--color-light-blue);
  color: var(--color-primary-blue);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

/* =======================================================
   1. STICKY HEADER & NAVIGATION
   ======================================================= */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-borders);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  transition: height var(--transition-normal);
}
.site-header.is-scrolled .header-inner {
  height: 70px;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo img, .site-logo svg {
  height: 48px;
  width: auto;
  display: block;
  transition: height var(--transition-normal);
}
.site-header.is-scrolled .site-logo img,
.site-header.is-scrolled .site-logo svg {
  height: 40px;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-main-text);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary-blue);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav-link:hover, .nav-link:focus, .nav-item.current-menu-item .nav-link {
  color: var(--color-primary-blue);
}

.nav-link:hover::after, .nav-item.current-menu-item .nav-link::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-toggle-btn {
  background: transparent;
  border: 1px solid var(--color-borders);
  color: var(--color-main-text);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.search-toggle-btn:hover {
  background-color: var(--color-light-blue);
  border-color: var(--color-primary-blue);
  color: var(--color-primary-blue);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-primary-navy);
}

/* =======================================================
   2. HERO SECTION
   ======================================================= */
.hero-section {
  position: relative;
  padding: 72px 0 64px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-very-light-bg) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--color-primary-blue);
  background-color: var(--color-light-blue);
  padding: 7px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 800;
  line-height: 1.14;
  color: var(--color-primary-navy);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero-headline .text-blue {
  color: var(--color-primary-blue);
  position: relative;
}

.hero-copy {
  font-size: var(--font-size-md);
  color: var(--color-secondary-text);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-borders);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary-navy);
}
.trust-item .check-icon {
  color: var(--color-success);
  font-size: 1.1rem;
  font-weight: 900;
}

.hero-media-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-card {
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background-color: var(--color-white);
  border: 8px solid var(--color-white);
  position: relative;
  transition: transform var(--transition-normal);
}
.hero-image-card img, .hero-image-card svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius-xl) - 8px);
}

.hero-decorative-shape {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(11, 115, 232, 0.15) 0%, rgba(22, 119, 255, 0.02) 70%, transparent 100%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
}

/* =======================================================
   3. STATISTICS SECTION
   ======================================================= */
.stats-section {
  position: relative;
  margin-top: -36px;
  z-index: 10;
  padding-bottom: 60px;
}

.stats-card-strip {
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: var(--color-borders);
}

.stat-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background-color: var(--color-light-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-blue);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary-navy);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-secondary-text);
  line-height: 1.3;
}

/* =======================================================
   4. FEATURED INTRO SECTION (Why Educational Edge?)
   ======================================================= */
.intro-feature-section {
  padding: 80px 0;
  background-color: var(--color-white);
}

.intro-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 68px;
  align-items: center;
}

.intro-media-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--color-primary-navy);
  position: relative;
}
.intro-media-card img, .intro-media-card svg {
  width: 100%;
  height: auto;
  display: block;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 36px 0 40px;
}

.feature-list-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-num {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-light-blue);
  color: var(--color-primary-blue);
  font-size: 1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-item-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-primary-navy);
}
.feature-item-content p {
  font-size: 0.95rem;
  color: var(--color-secondary-text);
  line-height: 1.55;
}

/* =======================================================
   5. MAIN CATEGORIES (Explore Your Learning Path)
   ======================================================= */
.categories-section {
  padding: 96px 0;
  background-color: var(--color-very-light-bg);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  text-decoration: none;
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-card-hover);
}

.category-icon-wrap {
  width: 64px;
  height: 64px;
  margin-bottom: 22px;
  transition: transform var(--transition-fast);
}
.category-card:hover .category-icon-wrap {
  transform: scale(1.08);
}
.category-icon-wrap img, .category-icon-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

.category-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary-navy);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}
.category-card:hover .category-title {
  color: var(--color-primary-blue);
}

.category-desc {
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.category-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-borders);
}

.category-count {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-secondary-text);
  background-color: var(--color-very-light-bg);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.category-action-link {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.category-card:hover .category-action-link {
  color: var(--color-bright-blue);
}

/* =======================================================
   6. FEATURED ARTICLES / CONTENT CARDS (Insights That Inspire)
   ======================================================= */
.featured-articles-section {
  padding: 96px 0;
  background-color: var(--color-white);
}

.featured-content-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  margin-bottom: 48px;
}

.post-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  text-decoration: none;
}
.post-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-card-hover);
}

.post-card-thumb-link {
  display: block;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--color-primary-navy);
}

.post-card-thumb-link img, .post-card-thumb-link svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.post-card:hover .post-card-thumb-link img,
.post-card:hover .post-card-thumb-link svg {
  transform: scale(1.05);
}

.post-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.post-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-navy);
  margin-bottom: 12px;
  line-height: 1.35;
  transition: color var(--transition-fast);
}
.post-card:hover .post-card-title {
  color: var(--color-primary-blue);
}

.post-card-excerpt {
  font-size: 0.95rem;
  color: var(--color-secondary-text);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-borders);
  font-size: var(--font-size-xs);
  color: var(--color-secondary-text);
}

.meta-author-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.meta-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-light-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary-blue);
  font-size: 11px;
}

.read-article-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--color-primary-blue);
  font-size: var(--font-size-sm);
  transition: gap var(--transition-fast);
}
.post-card:hover .read-article-link {
  gap: 10px;
  color: var(--color-bright-blue);
}

/* Secondary Post Stack */
.secondary-posts-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mini-post-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-md);
  padding: 14px;
  transition: all var(--transition-normal);
  text-decoration: none;
}
.mini-post-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-md);
}

.mini-thumb {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--color-primary-navy);
}
.mini-thumb img, .mini-thumb svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mini-cat {
  font-size: 11px;
  font-weight: 800;
  color: var(--color-primary-blue);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.mini-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-navy);
  line-height: 1.35;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mini-meta {
  font-size: 11px;
  color: var(--color-secondary-text);
}

/* Regular Latest Posts 3-Col Grid */
.posts-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* =======================================================
   7. TESTIMONIAL SECTION (Dark Navy Inspired by Reference)
   ======================================================= */
.testimonial-section {
  padding: 96px 0;
  background-color: var(--color-primary-navy);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.testimonial-section .section-eyebrow {
  background-color: rgba(22, 119, 255, 0.2);
  color: #60A5FA;
}
.testimonial-section .section-title {
  color: var(--color-white);
}
.testimonial-section .section-subtitle {
  color: #94A3B8;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}
.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(22, 119, 255, 0.4);
  transform: translateY(-4px);
}

.rating-stars {
  color: var(--color-star-amber);
  font-size: 1.15rem;
  margin-bottom: 18px;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #E2E8F0;
  margin-bottom: 28px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-secondary-navy);
  border: 2px solid var(--color-primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--color-white);
  font-size: 1rem;
}

.author-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.author-role {
  font-size: 0.85rem;
  color: #94A3B8;
}

/* =======================================================
   8. LARGE CTA SECTION (Bright Blue Banner)
   ======================================================= */
.cta-banner-section {
  padding: 80px 0;
  background-color: var(--color-white);
}

.cta-banner-box {
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, #0056B3 100%);
  border-radius: var(--radius-xl);
  padding: 68px 56px;
  color: var(--color-white);
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
  box-shadow: 0 20px 50px rgba(11, 115, 232, 0.28);
  position: relative;
  overflow: hidden;
}

.cta-banner-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 18px;
  line-height: 1.2;
}

.cta-text {
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 580px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.cta-graphic-preview {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* =======================================================
   9. NEWSLETTER SECTION
   ======================================================= */
.newsletter-section {
  padding: 80px 0;
  background-color: var(--color-very-light-bg);
  border-top: 1px solid var(--color-borders);
}

.newsletter-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  box-shadow: var(--shadow-md);
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.newsletter-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary-navy);
  margin-bottom: 14px;
}

.newsletter-desc {
  font-size: 1rem;
  color: var(--color-secondary-text);
  max-width: 540px;
  margin: 0 auto 32px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto 16px;
}

.newsletter-input {
  flex-grow: 1;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-borders);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-main-text);
  background-color: var(--color-white);
  outline: none;
  transition: border-color var(--transition-fast);
}
.newsletter-input:focus {
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(11, 115, 232, 0.15);
}

.newsletter-privacy-note {
  font-size: var(--font-size-xs);
  color: var(--color-secondary-text);
}

/* =======================================================
   10. CONTACT / QUICK DIRECTORY SECTION
   ======================================================= */
.contact-preview-section {
  padding: 80px 0;
  background-color: var(--color-white);
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-md);
  background-color: var(--color-very-light-bg);
  border: 1px solid var(--color-borders);
}

.contact-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-light-blue);
  color: var(--color-primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--color-primary-navy);
}
.contact-details p {
  font-size: 0.95rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

.contact-form-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary-navy);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-borders);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-main-text);
  outline: none;
  transition: all var(--transition-fast);
}
.form-control:focus {
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(11, 115, 232, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* =======================================================
   11. DARK NAVY FOOTER
   ======================================================= */
.site-footer {
  background-color: var(--color-primary-navy);
  color: #94A3B8;
  padding: 84px 0 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.1fr 1fr;
  gap: 40px;
  margin-bottom: 64px;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 18px 0 20px;
  max-width: 290px;
}

.footer-contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #60A5FA;
  font-size: 0.95rem;
  font-weight: 700;
}
.footer-contact-email:hover {
  color: var(--color-white);
}

.footer-col-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-block;
}
.footer-links a:hover {
  color: var(--color-white);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: #64748B;
}

.footer-disclaimer-note {
  max-width: 580px;
  line-height: 1.5;
}

/* =======================================================
   12. ADSENSE READY PLACEHOLDERS
   ======================================================= */
.ad-slot-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 40px auto;
  max-width: 728px;
  padding: 12px;
  background-color: var(--color-very-light-bg);
  border: 1px dashed var(--color-borders);
  border-radius: var(--radius-md);
  text-align: center;
}

.ad-slot-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #94A3B8;
  margin-bottom: 8px;
}

.ad-placeholder-box {
  width: 100%;
  min-height: 90px;
  background-color: var(--color-white);
  border: 1px solid var(--color-borders);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  color: var(--color-secondary-text);
  font-weight: 600;
}

/* =======================================================
   13. SEARCH MODAL DIALOG
   ======================================================= */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(7, 27, 58, 0.75);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.search-modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.search-dialog {
  background-color: var(--color-white);
  width: 90%;
  max-width: 680px;
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
  transform: translateY(-20px);
  transition: transform var(--transition-normal);
}
.search-modal.is-active .search-dialog {
  transform: translateY(0);
}

.search-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.search-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-secondary-text);
  cursor: pointer;
  padding: 4px;
}

.search-input-field {
  width: 100%;
  padding: 16px 20px;
  font-size: 1.15rem;
  font-family: var(--font-family-base);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-borders);
  outline: none;
  transition: border-color var(--transition-fast);
}
.search-input-field:focus {
  border-color: var(--color-primary-blue);
}

.search-quick-tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.tag-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-secondary-text);
}
.quick-tag {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary-navy);
  background-color: var(--color-light-blue);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.quick-tag:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
}

/* =======================================================
   14. BREADCRUMBS & INNER PAGE HEADERS
   ======================================================= */
.page-header-banner {
  padding: 60px 0 48px;
  background: linear-gradient(180deg, var(--color-very-light-bg) 0%, var(--color-white) 100%);
  border-bottom: 1px solid var(--color-borders);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-secondary-text);
  margin-bottom: 18px;
  list-style: none;
}
.breadcrumbs li + li::before {
  content: '/';
  color: #CBD5E1;
  margin-right: 8px;
}
.breadcrumbs a {
  color: var(--color-secondary-text);
}
.breadcrumbs a:hover {
  color: var(--color-primary-blue);
}

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary-blue), var(--color-bright-blue));
  z-index: 10001;
  transition: width 0.1s linear;
}

/* Accessibility reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}