/* =====================================================
   PUBLICATIONS PAGE STYLES
   ===================================================== */

/* ----- Hero Section ----- */
.pub-hero {
  padding: calc(70px + var(--space-3xl)) 0 var(--space-2xl);
  background: linear-gradient(135deg, var(--blue-accent) 0%, var(--dark) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pub-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: bottom;
}

.pub-hero h1 {
  color: var(--white);
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.pub-hero .lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}

/* ----- Academic Publications Section ----- */
.pub-academic {
  padding: var(--space-3xl) 0;
  background: var(--dark);
}

.pub-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-item-alt {
  direction: rtl;
}

.pub-item-alt > * {
  direction: ltr;
}

.pub-item-content {
  padding: var(--space-lg);
}

.pub-source {
  color: var(--teal);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: var(--space-sm);
}

.pub-item-content h2 {
  color: var(--white);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.pub-description {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.pub-item-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  min-height: 200px;
}

.pub-item-image img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: contain;
  transition: var(--transition-slow);
}

.pub-item:hover .pub-item-image img {
  transform: scale(1.05);
}

/* ----- Featured Publication ----- */
.pub-featured {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.pub-featured-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-2xl);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2xl);
  transition: var(--transition);
  align-items: center;
}

.pub-featured-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pub-featured-image img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.pub-featured-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--dark);
}

.pub-featured-content p {
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* ----- Chartered Manager Section ----- */
.pub-chartered {
  padding: var(--space-2xl) 0;
  background: var(--dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pub-chartered::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 100%;
  height: 200%;
  background: radial-gradient(circle, rgba(12, 206, 173, 0.1) 0%, transparent 50%);
}

.pub-chartered-image {
  max-width: 800px;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.pub-chartered-image:hover {
  transform: scale(1.02);
}

/* ----- Section Title ----- */
.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--dark);
  margin-bottom: var(--space-sm);
}

.section-title p {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ----- Marketing Musings Cards Section ----- */
.pub-musings {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.pub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.pub-musings .card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.pub-musings .card-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.pub-musings .card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
}

.pub-musings .card-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.pub-musings .card-title a {
  color: var(--dark);
}

.pub-musings .card-title a:hover {
  color: var(--teal);
}

.pub-musings .card-meta {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: var(--space-sm);
}

.pub-musings .card-meta a {
  color: var(--teal);
}

.pub-musings .card-body p {
  flex-grow: 1;
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.read-more {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: var(--space-sm);
  display: inline-block;
}

.read-more:hover {
  color: var(--teal-dark);
}

/* ----- Amazon E-books Section ----- */
.pub-ebooks {
  padding: var(--space-3xl) 0;
  background: var(--dark);
}

.pub-ebooks .section-title h2 {
  color: var(--white);
}

.pub-ebooks .section-title p {
  color: rgba(255, 255, 255, 0.7);
}

.pub-ebooks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 100%;
}

.pub-ebook-item {
  transition: var(--transition);
  display: block;
}

.pub-ebook-item {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.pub-ebook-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.pub-ebook-item:hover img {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}


/* ----- Card Meta ----- */
.card-meta {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

/* ----- Responsive ----- */

/* Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .pub-hero {
    padding: calc(70px + var(--space-2xl)) 0 var(--space-xl);
  }

  .pub-hero h1 {
    font-size: 3rem;
  }

  .pub-hero .lead {
    font-size: 1.1rem;
  }

  .pub-academic {
    padding: var(--space-2xl) 0;
  }

  .pub-item {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    padding: var(--space-xl) 0;
    align-items: center;
  }

  .pub-item-content {
    padding: var(--space-md);
  }

  .pub-item-content h2 {
    font-size: 1.25rem;
  }

  .pub-description {
    font-size: 0.85rem;
  }

  .pub-item-image {
    min-height: 180px;
    padding: var(--space-md);
  }

  .pub-item-image img {
    max-height: 280px;
  }

  .pub-featured {
    padding: var(--space-2xl) 0;
  }

  .pub-featured-card {
    grid-template-columns: 220px 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
  }

  .pub-featured-content h2 {
    font-size: 1.5rem;
  }

  .pub-featured-content p {
    font-size: 1rem;
  }

  .pub-musings {
    padding: var(--space-2xl) 0;
  }

  .pub-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .pub-ebooks {
    padding: var(--space-2xl) 0;
  }

  .pub-ebooks-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .section-title p {
    font-size: 1rem;
  }
}

@media (max-width: 900px) {
  .pub-item {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .pub-item-alt {
    direction: ltr;
  }
  
  .pub-item-image {
    order: -1;
    padding: var(--space-lg);
    min-height: 200px;
  }
  
  .pub-item-image img {
    max-height: 350px;
    width: auto;
    max-width: 100%;
    margin: 0 auto;
  }
  
  .pub-item-content {
    text-align: center;
    padding: var(--space-md);
  }
  
  .pub-item-content .btn {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .pub-hero {
    padding: calc(70px + var(--space-xl)) 0 var(--space-lg);
  }

  .pub-item-image {
    padding: var(--space-md);
    min-height: 180px;
  }
  
  .pub-item-image img {
    max-height: 300px;
  }

  .pub-featured-card {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg);
    text-align: center;
  }

  .pub-featured-image {
    max-width: 250px;
    margin: 0 auto;
  }

  .pub-chartered-image {
    border-radius: var(--radius-md);
  }

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

  .pub-ebooks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .pub-ebook-item img {
    max-width: 280px;
    margin: 0 auto;
  }
  
  .pub-item-content h2 {
    font-size: 1.1rem;
  }

  .pub-ebooks-grid {
    grid-template-columns: 1fr;
  }
}