:root {
  /* Color Palette from Presentation */
  --bg-dark: #2C333D;
  --bg-dark-alt: #2F3B4A;
  --bg-light: #FFFFFF;
  --bg-subtle: #F5F5F0;
  --bg-warm: #FAFAF8;
  
  --accent-primary: #70B09B;
  --accent-primary-light: #80C2B5;
  --accent-secondary: #3D8068;
  --accent-secondary-dark: #2F805F;
  
  --text-dark: #2C333D;
  --text-light: #FFFFFF;
  --text-muted: #5A6270;
  --text-muted-light: #9CA3AF;
  
  --border: #E5E7EB;
  --border-dark: #3D4A5C;
  --border-light: #F0F0F0;
  
  --shadow: 0 2px 8px rgba(44, 51, 61, 0.08);
  --shadow-md: 0 4px 16px rgba(44, 51, 61, 0.12);
  --shadow-lg: 0 8px 24px rgba(44, 51, 61, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg-warm);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: "Lora", "Georgia", "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1rem;
  color: var(--text-dark);
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.375rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--accent-secondary);
  outline: none;
}

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

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: var(--bg-light);
  border: 2px solid var(--accent-primary);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  z-index: 1000;
  color: var(--text-dark);
}

/* Header - Dark Background (Strategic) */
.site-header {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.topbar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--text-light);
  transition: opacity 0.2s ease;
}

.logo:hover,
.logo:focus {
  opacity: 0.9;
  outline: none;
}

.logo-image {
  height: 60px;
  width: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-family: "Lora", "Georgia", serif;
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--text-light);
}

.utility-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* Hamburger menu button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
  gap: 5px;
}

.menu-toggle-icon {
  width: 100%;
  height: 3px;
  background: var(--text-light);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.menu-toggle-open .menu-toggle-icon:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle-open .menu-toggle-icon:nth-child(2) {
  opacity: 0;
}

.menu-toggle-open .menu-toggle-icon:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.utility-nav a {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  border: 2px solid var(--accent-primary);
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--text-light);
  font-weight: 600;
  transition: all 0.2s ease;
  font-size: 1.0625rem;
  background: var(--accent-primary);
  box-shadow: 0 2px 4px rgba(112, 176, 155, 0.2);
}

.utility-nav a:hover,
.utility-nav a:focus {
  background: var(--accent-primary-light);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-light);
}

/* Primary Navigation - Dark Background */
.primary-nav {
  background: var(--bg-dark-alt);
  border-top: 1px solid var(--border-dark);
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.primary-nav .nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  list-style: none;
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}

.primary-nav .nav > .nav-item > a,
.primary-nav .nav > .has-children > a {
  display: block;
  padding: 1.125rem 1.5rem;
  text-decoration: none;
  color: var(--text-light);
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 1.0625rem;
}

.primary-nav a:hover,
.primary-nav a:focus {
  color: var(--accent-primary-light);
  border-bottom-color: var(--accent-primary-light);
  background: rgba(112, 176, 155, 0.1);
}

/* Subnavigation */
.has-children {
  position: relative;
}

.subnav {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 260px;
  background: var(--bg-dark);
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-lg);
  list-style: none;
  padding: 0.5rem;
  margin: 0;
  display: none;
  z-index: 50;
  border-radius: 0 0 0.5rem 0.5rem;
}

.subnav li a {
  display: block;
  padding: 0.875rem 1.25rem;
  text-decoration: none;
  color: var(--text-light);
  border-radius: 0.35rem;
  transition: all 0.2s ease;
}

.subnav li a:hover,
.subnav li a:focus {
  background: var(--accent-primary);
  color: var(--text-light);
}

.has-children:hover > .subnav,
.has-children:focus-within > .subnav {
  display: block;
}

/* Main Content - Light Background (Readability) */
main {
  width: 100%;
  margin: 0;
  padding: 0;
  min-height: calc(100vh - 200px);
  background: var(--bg-warm);
}

#content-slot {
  width: 100%;
  padding: 0;
}

/* Content Sections */
.content-section {
  width: 100%;
  padding: 4rem 0;
}

.content-section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Campaigns - Light Background with Dark Accent Section */
.campaigns {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 4rem 0;
  position: relative;
}

.campaigns::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: var(--bg-dark);
  z-index: 0;
}

.campaigns .content-section-inner {
  position: relative;
  z-index: 1;
}

.campaigns h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 2.5rem;
  color: var(--text-light);
  padding-top: 1rem;
}

.campaign-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.campaign-item {
  background: var(--bg-light);
  border: 2px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.campaign-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--accent-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.campaign-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.campaign-item:hover::before {
  transform: scaleY(1);
}

.campaign-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: var(--accent-secondary);
  font-family: "Lora", "Georgia", serif;
}

.campaign-title a {
  color: var(--accent-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  border-bottom: 2px solid transparent;
}

.campaign-title a:hover,
.campaign-title a:focus {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.campaign-desc {
  margin: 0.75rem 0 1.25rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.campaign-total {
  margin: 1.25rem 0 0;
  font-weight: 600;
  color: var(--text-dark);
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 1.0625rem;
}

.campaign-total strong {
  color: var(--accent-secondary);
}

/* Campaign Detail Page */
.campaign-detail {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 4rem 0;
}

.campaign-detail .content-section-inner {
  max-width: 1000px;
}

.campaign-detail h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-dark);
}

.campaign-detail-image {
  margin-bottom: 2.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.campaign-image-placeholder {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.campaign-detail-content {
  line-height: 1.7;
}

.campaign-detail-brief {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-weight: 500;
}

.campaign-detail-text {
  margin-bottom: 2.5rem;
}

.campaign-detail-text p {
  margin-bottom: 1.25rem;
  color: var(--text-dark);
}

.campaign-detail-amount {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border);
}

.campaign-detail-amount .campaign-total {
  font-size: 1.25rem;
  margin: 0;
  padding: 0;
  border: none;
}

/* News - Light Background */
.news {
  background: var(--bg-warm);
  color: var(--text-dark);
  padding: 4rem 0;
}

.news .content-section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.news h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 2.5rem;
  color: var(--text-dark);
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.news-item {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: var(--bg-light);
  border: 2px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.news-thumb {
  flex: 0 0 160px;
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 0.5rem;
  border: 2px solid var(--border);
  background: var(--bg-subtle);
}

.news-content {
  flex: 1 1 auto;
  min-width: 0;
}

.news-title {
  margin: 0.25rem 0 0.75rem;
  font-size: 1.4rem;
  font-family: "Lora", "Georgia", serif;
}

.news-title a {
  text-decoration: none;
  color: var(--text-dark);
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.news-title a:hover,
.news-title a:focus {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.news-date {
  display: block;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.news-resume {
  margin: 0.75rem 0 0;
  color: var(--text-dark);
  line-height: 1.7;
}

/* News Detail Page */
.news-detail {
  background: var(--bg-warm);
  color: var(--text-dark);
  padding: 4rem 0;
}

.news-detail .content-section-inner {
  max-width: 1000px;
}

.news-detail h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.news-detail-meta {
  margin-bottom: 2.5rem;
}

.news-detail-date {
  display: block;
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.news-detail-main-image {
  margin-bottom: 2.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--bg-subtle);
}

.news-main-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.news-detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.news-gallery-item {
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-subtle);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.news-gallery-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.news-gallery-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.news-detail-body {
  line-height: 1.7;
}

.news-detail-body p {
  margin-bottom: 1.25rem;
  color: var(--text-dark);
}

.news-detail-body p:first-child {
  font-size: 1.125rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

/* Donations */
.donations {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 4rem 0;
}

.donations .content-section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.donations h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 2.5rem;
  color: var(--text-dark);
}

.donations-list {
  margin-bottom: 3rem;
}

.donations-header {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg-dark);
  color: var(--text-light);
  border-radius: 0.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.donation-item {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.donation-item:hover {
  background: var(--bg-warm);
}

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

.donation-col-name,
.donation-col-date,
.donation-col-amount {
  display: flex;
  align-items: center;
}

.donation-col-name {
  font-weight: 500;
}

.donation-col-amount {
  font-weight: 600;
  color: var(--accent-secondary);
  justify-content: flex-end;
}

.donation-blurred {
  filter: blur(3px);
  opacity: 0.7;
}

.donations-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: all 0.2s ease;
  background: var(--bg-light);
}

.pagination-link:hover,
.pagination-link:focus {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-warm);
  outline: none;
}

.pagination-link.pagination-active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-light);
}

.pagination-link.pagination-active:hover,
.pagination-link.pagination-active:focus {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
  color: var(--text-light);
}

.pagination-next {
  margin-left: 1rem;
  padding: 0 1rem;
}

/* Forms - Light Background (Better UX) */
.signal-form,
.contacts {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 4rem 0;
}

.signal-form .content-section-inner,
.contacts .content-section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.signal-form h1,
.contacts h1 {
  margin-top: 0;
  font-size: 2rem;
  margin-bottom: 2.5rem;
  color: var(--text-dark);
  font-family: "Lora", "Georgia", serif;
}

.signal-form form,
.contacts form {
  display: grid;
  gap: 1.75rem;
  max-width: 700px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1.0625rem;
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1.0625rem;
  font-family: inherit;
  resize: vertical;
  transition: all 0.2s ease;
  background: var(--bg-light);
  color: var(--text-dark);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(112, 176, 155, 0.1);
}

.form-group textarea {
  min-height: 140px;
}

.signal-form button,
.contacts button {
  align-self: flex-start;
  background: var(--accent-primary);
  color: var(--text-light);
  border: none;
  border-radius: 0.5rem;
  padding: 0.875rem 2.5rem;
  font-size: 1.0625rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.signal-form button:hover,
.signal-form button:focus,
.contacts button:hover,
.contacts button:focus {
  background: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: none;
}

.signal-form button:active,
.contacts button:active {
  transform: translateY(0);
}

/* Footer - Dark (Bookend) */
.site-footer {
  margin-top: 0;
  padding: 3rem 2rem;
  background: var(--bg-dark);
  color: var(--text-muted-light);
  border-top: 1px solid var(--border-dark);
}

.site-footer p {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
  color: var(--text-light);
  font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .topbar {
    padding: 1rem 1.5rem;
    flex-wrap: wrap;
  }

  .logo-image {
    height: 50px;
  }

  .logo-text {
    font-size: 1.5rem;
  }

  .site-header {
    position: relative;
  }

  .menu-toggle {
    display: flex;
  }

  .primary-nav {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    border-top: none;
    position: relative;
    transition: max-height 0.3s ease, opacity 0.3s ease;
  }

  .primary-nav.nav-open {
    max-height: none;
    opacity: 1;
    border-top: 1px solid var(--border-dark);
    overflow: visible;
  }

  .primary-nav .nav {
    flex-direction: column;
    padding: 0;
  }

  .primary-nav .nav > li {
    width: 100%;
    border-bottom: 1px solid var(--border-dark);
  }

  .primary-nav .nav > li > a {
    padding: 1rem 1.5rem;
  }

  .has-children {
    position: static;
  }

  .subnav {
    position: static;
    border: none;
    border-top: 1px solid var(--border-dark);
    box-shadow: none;
    display: block;
    padding: 0;
    background: rgba(47, 59, 74, 0.5);
    border-radius: 0;
  }

  .subnav li a {
    padding: 0.875rem 2rem;
  }

  .content-section {
    padding: 3rem 0;
  }

  .content-section-inner,
  .campaigns .content-section-inner,
  .news .content-section-inner,
  .signal-form .content-section-inner,
  .contacts .content-section-inner {
    padding: 0 1.5rem;
  }

  .campaigns,
  .news,
  .signal-form,
  .contacts {
    padding: 3rem 0;
  }

  .campaigns::before {
    height: 150px;
  }

  .campaigns h1 {
    padding-top: 0.5rem;
  }

  .campaigns h1,
  .news h1,
  .signal-form h1,
  .contacts h1 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
  }

  .campaign-item,
  .news-item {
    padding: 1.5rem;
  }

  .news-item {
    flex-direction: column;
    align-items: stretch;
  }

  .news-thumb {
    width: 100%;
    height: auto;
    max-height: 300px;
  }

  .news-detail-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .donations-header,
  .donation-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .donations-header {
    display: none;
  }

  .donation-item {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
  }

  .donation-col-name::before {
    content: 'Име: ';
    font-weight: 600;
    color: var(--text-muted);
  }

  .donation-col-date::before {
    content: 'Дата: ';
    font-weight: 600;
    color: var(--text-muted);
  }

  .donation-col-amount::before {
    content: 'Сума: ';
    font-weight: 600;
    color: var(--text-muted);
  }

  .donation-col-amount {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }

  .topbar {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    flex-wrap: nowrap;
  }

  .logo {
    flex: 0 1 auto;
    min-width: 0;
  }

  .logo-text {
    font-size: 1.25rem;
  }

  .logo-image {
    height: 40px;
  }

  .utility-nav {
    flex: 0 0 auto;
    margin-left: auto;
  }

  .utility-nav ul {
    width: auto;
    justify-content: flex-end;
  }

  .menu-toggle {
    flex: 0 0 auto;
    margin-left: 0.5rem;
  }

  .content-section-inner,
  .campaigns .content-section-inner,
  .news .content-section-inner,
  .signal-form .content-section-inner,
  .contacts .content-section-inner {
    padding: 0 1rem;
  }

  .campaign-item,
  .news-item {
    padding: 1.25rem;
  }

  .campaign-list,
  .news-list {
    gap: 1.5rem;
  }
}