/* ==========================================================================
   COMPONENTS CSS
   dogaakcayoz.com - Uzman Diyetisyen Doğa Akçayöz
   ========================================================================== */

/* Screen-reader only — visible to crawlers & assistive tech, hidden visually */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   NAVBAR & HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100vw;
  height: var(--header-height);
  background: rgba(251, 249, 245, 0.98);
  border-bottom: 1px solid rgba(232, 227, 217, 0.7);
  z-index: 1000;
  transition: all var(--transition-base);
  box-sizing: border-box;
}

@media (min-width: 1151px) {
  .site-header {
    background: rgba(251, 249, 245, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(45, 57, 47, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 2vw, 1.5rem);
  padding-right: clamp(1rem, 2vw, 1.5rem);
  box-sizing: border-box;
  gap: 0.75rem;
}

.site-header nav {
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1 1 auto;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo img {
  height: clamp(48px, 5vw, 58px);
  width: auto;
  max-width: clamp(220px, 22vw, 280px);
  display: block;
  transition: transform 0.2s ease;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.35rem, 0.7vw, 0.85rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: clamp(0.82rem, 0.85vw, 0.88rem);
  font-weight: 600;
  color: var(--color-text-title);
  padding: 0.4rem 0.2rem;
  position: relative;
  white-space: nowrap;
  letter-spacing: 0.005em;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary-dark);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary-dark);
}

.nav-link:hover::after {
  opacity: 0.5;
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--color-primary-dark);
}

.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link svg.arrow-icon {
  width: 11px;
  height: 11px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg.arrow-icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   DESKTOP NAVIGATION DROPDOWNS (Çalışma Alanları, Ketojenik Diyet, Yaklaşımım)
   ========================================================================== */
.nav-item.has-dropdown {
  position: relative;
  padding-bottom: 8px;
  margin-bottom: -8px;
}

@media (min-width: 1151px) {
  .nav-item.has-dropdown .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    min-width: max-content;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(45, 57, 47, 0.14);
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s ease;
    z-index: 1050;
  }

  /* Invisible hover bridge to eliminate hover loss when cursor moves down */
  .nav-item.has-dropdown .dropdown-menu::before {
    content: '';
    position: absolute;
    top: -16px;
    left: -15px;
    right: -15px;
    height: 16px;
    background: transparent;
  }

  .nav-item.has-dropdown:hover .dropdown-menu,
  .nav-item.has-dropdown:focus-within .dropdown-menu,
  .nav-item.has-dropdown.open-dropdown .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }

  .dropdown-link {
    display: block;
    padding: 0.55rem 0.95rem;
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--color-text-title);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.15s ease;
    white-space: nowrap;
  }

  .dropdown-link:hover {
    background: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    font-weight: 600;
    padding-left: 1.15rem;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-header-appointment {
  padding: 0.45rem 0.85rem !important;
  font-size: 0.82rem !important;
  gap: 0.35rem !important;
  border-radius: 6px !important;
  font-weight: 600 !important;
  white-space: nowrap;
}

/* ==========================================================================
   MINIMAL LANGUAGE SWITCHER (TR, EN, DE, FR, ES)
   ========================================================================== */
.lang-switcher-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.lang-switcher-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  height: 32px;
  padding: 0 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-title);
  background: var(--color-primary-subtle);
  border: 1px solid rgba(44, 95, 77, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.lang-switcher-btn:hover {
  background: #ffffff;
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.lang-code {
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.lang-arrow {
  width: 9px;
  height: 9px;
  transition: transform 0.15s ease;
  opacity: 0.7;
}

.lang-switcher-dropdown.open .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 54px;
  width: 54px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  padding: 0.25rem;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 1060;
}

.lang-switcher-dropdown.open .lang-dropdown-menu {
  display: flex;
}

.lang-opt {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  padding: 0;
  border: none;
  background: transparent;
  width: 100%;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-body);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.lang-opt:hover {
  background: var(--color-primary-subtle);
  color: var(--color-primary-dark);
}

.lang-opt.active {
  background: var(--color-primary-dark);
  color: #ffffff;
  font-weight: 800;
}

/* Mobile Language Bar - Hidden on desktop */
.mobile-lang-bar-item {
  display: none !important;
}

@media (max-width: 991px) {
  .nav-menu.open .mobile-lang-bar-item {
    display: block !important;
  }
}

.mobile-lang-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.85rem 0 0.5rem;
  margin-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

.mobile-lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-title);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.mobile-lang-btn.active {
  background: var(--color-primary-dark);
  color: #ffffff;
  border-color: var(--color-primary-dark);
}

/* ==========================================================================
   YAKLAŞIMIM / PNI SECTION (HOMEPAGE)
   ========================================================================== */
.approach-section {
  background: var(--color-bg-light);
  padding: 4.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.approach-layout {
  display: grid;
  grid-template-columns: 1fr 2.3fr;
  gap: 2.5rem;
  align-items: center;
}

.approach-intro {
  display: flex;
  flex-direction: column;
}

.approach-intro .section-badge {
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.approach-intro h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 2.5vw, 2.15rem);
  font-weight: 600;
  color: var(--color-text-title);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.approach-intro p {
  font-size: 0.925rem;
  color: var(--color-text-body);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.approach-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.approach-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.65rem 1.35rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.approach-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* Featured PNI Card in Center */
.approach-card.approach-card-featured {
  background: #F4F6F3;
  border: 1.5px solid #C4D2C3;
  box-shadow: 0 4px 16px rgba(60, 74, 62, 0.06);
}

.approach-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-bg-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.15rem;
}

.approach-card-featured .approach-card-icon {
  background: #E5EBE4;
}

.approach-card-icon svg {
  width: 22px;
  height: 22px;
}

.approach-card h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.approach-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.pni-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #E1E9E0;
  color: #2D392F;
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: 20px;
  margin-bottom: 0.85rem;
  align-self: flex-start;
  letter-spacing: 0.2px;
}

.pni-edu-note {
  font-size: 0.725rem;
  color: #6B7B6A;
  line-height: 1.4;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px dashed #D2DDD0;
}

.pni-edu-note span {
  display: block;
  font-style: italic;
  color: #8C9C8B;
  font-size: 0.685rem;
}

.approach-card .btn-link {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

@media (max-width: 1024px) {
  .approach-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .approach-cards-grid {
    grid-template-columns: 1fr;
  }
}


/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
}

.mobile-nav-toggle svg {
  width: 26px;
  height: 26px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(60, 74, 62, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(60, 74, 62, 0.28);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-subtle);
  transform: translateY(-2px);
}

.btn-white-pill {
  background-color: #FFFFFF;
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-full);
  padding: 0.7rem 1.4rem;
}

.btn-white-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-dark-pill {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.65rem;
}

.btn-dark-pill:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-accent {
  background-color: var(--color-accent);
  color: #1E251F;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  color: #FFFFFF;
}

.btn-full {
  width: 100%;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-title);
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.btn-link:hover {
  color: var(--color-primary);
  gap: 0.65rem;
}

.btn-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.btn-link:hover svg {
  transform: translateX(3px);
}

/* ==========================================================================
   CARDS
   ========================================================================== */

/* Specialty Card */
.specialty-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
}

.specialty-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-border);
}

.specialty-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.specialty-card:hover .specialty-card-icon {
  transform: scale(1.06);
  background: var(--color-primary);
  color: #FFFFFF;
}

.specialty-card-icon svg {
  width: 20px;
  height: 20px;
}

.specialty-card h3 {
  font-size: 1.025rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.specialty-card p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0.85rem;
  flex-grow: 1;
}

/* Credential Pill Item (About Section) */
.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.credential-item:hover {
  border-color: var(--color-primary-light);
  transform: translateX(4px);
}

.credential-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.credential-icon svg {
  width: 20px;
  height: 20px;
}

.credential-text h4 {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 0.15rem;
}

.credential-text p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Academic Featured Cards */
.academic-featured-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(232, 227, 217, 0.9);
  box-shadow: 0 10px 30px rgba(45, 57, 47, 0.08);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.academic-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(45, 57, 47, 0.12);
}

.academic-card-cover-wrap {
  width: 100%;
  background: #F4F1EA;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(232, 227, 217, 0.7);
  position: relative;
  overflow: hidden;
}

.academic-card-cover-wrap.thesis-cover-wrap {
  aspect-ratio: 16 / 9;
  background: #2D392F;
  padding: 0;
}

.academic-card-cover-wrap.book-cover-wrap {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #F6F3EC 0%, #ECE6DA 100%);
  padding: 0.65rem 1rem;
  box-sizing: border-box;
}

.academic-card-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.academic-card-cover-wrap.book-cover-wrap img {
  width: auto;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 8px 22px rgba(45, 30, 20, 0.22);
  margin: 0 auto;
}

/* ==========================================================================
   ARTICLE DETAIL PAGE STYLES
   ========================================================================== */
.article-detail-page {
  max-width: 860px;
  margin: 2rem auto 4.5rem;
  padding: 0 1.5rem;
}

.article-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.btn-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: 30px;
  color: var(--color-primary-dark);
  background: var(--color-bg-white, #FFFFFF);
  border: 1px solid var(--color-border);
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
  transition: all var(--transition-fast);
}

.btn-back-link:hover {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateX(-3px);
}

.article-header h1,
.article-main-title {
  font-family: var(--font-sans) !important;
  font-size: clamp(1.35rem, 2.2vw, 1.6rem) !important;
  font-weight: 700 !important;
  color: var(--color-text-title);
  line-height: 1.35 !important;
  margin: 0.85rem 0 1.15rem;
  letter-spacing: -0.015em;
}

.article-header .article-lead,
.article-lead-summary {
  font-family: var(--font-sans) !important;
  font-size: 1.05rem !important;
  color: var(--color-text-body);
  line-height: 1.65;
  margin: 0 0 1.5rem;
}

.article-featured-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  margin: 2rem 0 2.5rem;
  box-shadow: 0 12px 32px rgba(45, 57, 47, 0.08);
  background: #F4F1EA;
}

.article-featured-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-body,
.article-rich-text,
.article-content-body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-body);
}

.article-body h2,
.article-rich-text h2,
.article-content-body h2 {
  font-family: var(--font-sans) !important;
  font-size: 1.25rem !important;
  font-weight: 700 !important;
  color: var(--color-text-title);
  margin: 2rem 0 0.75rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.article-body h3,
.article-rich-text h3,
.article-content-body h3 {
  font-family: var(--font-sans) !important;
  font-size: 1.125rem !important;
  font-weight: 700 !important;
  color: var(--color-text-title);
  margin: 1.5rem 0 0.5rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

.article-body h4,
.article-rich-text h4,
.article-content-body h4 {
  font-family: var(--font-sans) !important;
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  color: var(--color-text-title);
  margin: 1.25rem 0 0.5rem;
  line-height: 1.4;
}

.article-body p,
.article-rich-text p {
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
}

.article-body ul, .article-body ol,
.article-rich-text ul, .article-rich-text ol {
  margin-bottom: 1.5rem;
  padding-left: 1.35rem;
}

.article-body li,
.article-rich-text li {
  margin-bottom: 0.65rem;
}

.article-author-card {
  margin-top: 3.5rem;
  padding: 1.75rem;
  background: var(--color-bg-card, #FAF9F6);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
}

.article-author-card img {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 2.5px solid var(--color-primary);
  flex-shrink: 0;
}

.references-section {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--color-bg-white, #FFFFFF);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.references-section h3 {
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-title);
  margin: 0 0 1rem;
}

.references-section ol {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.related-articles-section {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.related-articles-section h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 1.5rem;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.related-article-card {
  background: var(--color-bg-white, #FFFFFF);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.related-article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

@media (max-width: 768px) {
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
  .article-author-card {
    flex-direction: column;
    text-align: center;
  }
}

.academic-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.academic-card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary-light);
  margin-bottom: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.academic-card-title {
  font-size: 1.28rem;
  color: var(--color-text-title);
  margin-bottom: 0.4rem;
  line-height: 1.35;
  font-family: var(--font-serif);
}

.academic-card-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 1.15rem;
  line-height: 1.45;
}

.academic-meta-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  background: #FBF9F5;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(232, 227, 217, 0.7);
  font-size: 0.84rem;
  color: var(--color-text-body);
}

.academic-meta-list li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  line-height: 1.45;
}

.academic-meta-list li strong {
  color: var(--color-text-title);
  min-width: 90px;
  font-weight: 600;
}

.academic-card-text {
  font-size: 0.885rem;
  color: var(--color-text-body);
  line-height: 1.65;
  margin: 0;
}

/* ==========================================================================
   CAROUSEL INDICATOR DOTS
   ========================================================================== */
.carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #C4BEB2;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.dot.active {
  background: var(--color-primary);
  width: 22px;
  border-radius: 10px;
}

/* ==========================================================================
   MODALS (<dialog>)
   ========================================================================== */
dialog.custom-modal {
  margin: auto;
  padding: 0;
  border: none;
  border-radius: var(--radius-xl);
  background: #FFFFFF;
  box-shadow: 0 25px 60px rgba(30, 37, 31, 0.25);
  max-width: 580px;
  width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 2000;
}

dialog.custom-modal::backdrop {
  background: rgba(30, 37, 31, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-header {
  padding: 1.5rem 1.75rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.35rem;
  margin: 0;
}

.modal-close-btn {
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--color-text-title);
}

.modal-body {
  padding: 1.75rem;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #FFFFFF;
  color: var(--color-text-title);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Video Modal Dialog */
dialog.video-modal {
  max-width: 800px;
  width: 95vw;
  background: #000000;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   SCIENTIFIC REFERENCES SECTION
   ========================================================================== */
.references-section {
  max-width: 800px;
  margin: 2.5rem auto 2rem;
  padding: 1.75rem;
  background: #F7F9F7;
  border-radius: 12px;
  border: 1px solid rgba(60, 90, 62, 0.1);
}

.references-title {
  font-family: var(--font-sans, 'Plus Jakarta Sans', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-title, #1E271F);
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary, #3C5A3E);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.references-title::before {
  content: "📚";
  font-size: 1.1rem;
}

.references-list {
  list-style-type: decimal;
  padding-left: 1.5rem;
  margin: 0;
  counter-reset: ref-counter;
}

.references-list li {
  font-size: 0.85rem;
  line-height: 1.65;
  color: #556B5A;
  margin-bottom: 0.6rem;
  padding-left: 0.25rem;
}

.references-list li:last-child {
  margin-bottom: 0;
}

.references-list li em {
  color: #3C4A3E;
}

.references-list li a {
  color: var(--color-primary, #3C5A3E);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s ease;
}

.references-list li a:hover {
  color: var(--color-primary-dark, #2A4029);
  text-decoration: underline;
}