@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg: #F5F7FA;
  --accent: #1A6B3C;
  --accent-dark: #0D3B24;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A6A;
  --card-bg: #FFFFFF;
  --border: #D0D7DE;
  --warning: #C47900;
  --focus-outline: 2px solid #1A6B3C;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-dark);
}

a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: var(--focus-outline);
  outline-offset: 2px;
}


.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent-dark);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 8px 8px;
  z-index: 1000;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
  outline: var(--focus-outline);
  outline-offset: 2px;
}


h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-dark);
  line-height: 1.2;
}

h2 {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--accent-dark);
  line-height: 1.3;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

.text-secondary {
  font-size: 0.875rem;
  color: var(--text-secondary);
}


.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section:nth-child(even) {
  background-color: var(--card-bg);
}


.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  gap: 1rem;
}

.site-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-decoration: none;
  white-space: nowrap;
}

.site-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
}

.nav-links a:hover {
  background-color: var(--bg);
  color: var(--accent);
}

.nav-links a[aria-current="page"] {
  background-color: var(--accent);
  color: #FFFFFF;
}

.nav-links a[aria-current="page"]:hover {
  background-color: var(--accent-dark);
  color: #FFFFFF;
}


.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 4rem 1.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 59, 36, 0.78);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero h1 {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
}

.badge-hero {
  background: var(--warning);
  color: #FFFFFF;
}

.badge-tech {
  background: var(--accent);
  color: #FFFFFF;
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
}

.badge-category {
  background: rgba(26, 107, 60, 0.1);
  color: var(--accent);
  font-size: 0.8rem;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--accent);
}


.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.two-col img {
  border-radius: 12px;
  width: 100%;
  height: auto;
  object-fit: cover;
}


.cards-grid {
  display: grid;
  gap: 1.5rem;
}

.cards-grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

.cards-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}


.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.gallery-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.gallery-card img {
  width: 100%;
  height: auto;
}

.gallery-card-body {
  padding: 1.25rem;
}

.gallery-card-body h3 {
  margin-bottom: 0.4rem;
}

.gallery-card-body p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}


.timeline-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.timeline-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  position: relative;
}

.timeline-panel::after {
  content: '→';
  position: absolute;
  right: -1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
}

.timeline-panel:last-child::after {
  display: none;
}

.timeline-label {
  display: inline-block;
  background: var(--accent);
  color: #FFFFFF;
  padding: 0.2rem 0.75rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.timeline-status {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 0.5rem;
}


.case-study {
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 2.5rem;
}

.case-study .two-col {
  gap: 2rem;
}

.tools-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}


.quote-block {
  background: var(--accent-dark);
  color: #FFFFFF;
  padding: 3rem 2rem;
  border-radius: 16px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.quote-block blockquote {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.7;
  font-style: italic;
}

.quote-block blockquote::before {
  content: '„';
  font-size: 3rem;
  display: block;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}


.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--card-bg);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-legend {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.2s, transform 0.1s;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-primary:focus {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

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


.contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.contact-icon {
  font-size: 1.35rem;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.contact-item a {
  color: var(--accent);
}


.author-hero {
  text-align: center;
  padding: 4rem 1.5rem;
}

.author-avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  object-position: center 0%;
  border: 4px solid var(--accent);
}

.author-bio {
  max-width: 600px;
  margin: 1rem auto 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.social-badges {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.social-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}

.social-badge:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-card h3 {
  margin-bottom: 0;
}

.project-card p {
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  flex: 1;
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}


.sources-list {
  counter-reset: source;
  list-style: none;
  padding: 0;
}

.sources-list li {
  counter-increment: source;
  padding: 1rem 1.25rem 1rem 3.5rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.sources-list li::before {
  content: counter(source);
  position: absolute;
  left: 0;
  top: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
}

.sources-list li:last-child {
  border-bottom: none;
}

.sources-list strong {
  display: block;
  color: var(--text-primary);
}

.sources-list a {
  font-size: 0.9rem;
  word-break: break-all;
}


.gallery-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.gallery-card-link:hover .gallery-card-hint {
  text-decoration: underline;
}

.gallery-card-link:focus {
  outline: var(--focus-outline);
  outline-offset: 2px;
  border-radius: 12px;
}

.gallery-card-clickable {
  cursor: pointer;
}

.gallery-card-clickable:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.gallery-card-clickable:focus {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

.gallery-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.gallery-card-hint {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal.is-open {
  display: flex;
}

.modal:target {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  cursor: zoom-out;
}

.modal-inner {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-inner img {
  max-width: 90vw;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  display: block;
}

.modal-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  line-height: 1;
  font-weight: 300;
  opacity: 0.85;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
  transition: opacity 0.15s;
}

.modal-close:hover {
  opacity: 1;
}


.site-footer {
  background: var(--accent-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
}

.site-footer a {
  color: #FFFFFF;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer a:hover {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  list-style: none;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}


@media (max-width: 1023px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  .cards-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .timeline-panels {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .hero {
    min-height: 320px;
    padding: 3rem 1.25rem;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cards-grid-4,
  .cards-grid-3,
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }

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

  .timeline-panels {
    grid-template-columns: 1fr;
  }

  .timeline-panel::after {
    content: '↓';
    right: 50%;
    transform: translateX(50%);
    top: auto;
    bottom: -1.1rem;
  }

  .site-header .container {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav-links {
    justify-content: center;
  }

  .case-study {
    padding: 1.5rem;
  }

  .quote-block {
    padding: 2rem 1.25rem;
  }

  .quote-block blockquote {
    font-size: 1.1rem;
  }
}