body {
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--tmava);
  background-color: var(--bila);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  font-family: "Roboto", sans-serif;
}

* {
  scroll-behavior: smooth;
}

:root {
  --tmava: #171717;
  --svetla: #f3f3f3;
  --bila: #ffffff;
  --cerna: #000000;
}

a {
  color: inherit;
  text-decoration: none;
}

header {
  background: var(--tmava);
  color: var(--svetla);
  padding: 2rem 1rem;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 80%;
  margin: 0 auto;
  gap: 2rem;
}

.header-main {
  flex: 1;
}

.header-main a {
  text-decoration: none;
  color: inherit;
}

.header-main a:hover {
  text-decoration: underline;
}

header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  font-weight: 300;
}

.tagline {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 500;
}

.services {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.7;
}

.header-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.contact-info {
  text-align: right;
  font-size: 0.85rem;
  opacity: 0.8;
}

.contact-info p {
  margin: 0.2rem 0;
}

main {
  max-width: 80%;
  margin: 0 auto;
  padding: 4rem 2rem;
}

section {
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.8rem;
  font-weight: 300;
  margin-block-start: 0em;
  margin-block-end: 0em;
}

p {
  margin-block-start: 0em;
  margin-block-end: 0em;
}

#project-detail hr {
  margin-top: 1rem;
  margin-bottom: 2rem;
}

#projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-details p {
  margin: 0.5rem 0;
  font-size: 1rem;
}

.project {
  border: 1px solid var(--tmava);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.project:hover {
  background-color: var(--svetla);
}

.project img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  object-position: top;
}

.project-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--cerna);
  background: rgba(255, 255, 255, 0.5);
}

.project h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
  font-weight: 400;
}

.project p {
  margin: 0 0 1rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.types {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

footer {
  text-align: center;
  padding: 2rem;
  background-color: var(--tmava);
  color: var(--svetla);
}

footer:hover .footer-icon {
  font-size: 1.2rem;
  transition: font-size 0.3s ease-in-out;
}

#project-detail .types {
  justify-content: center;
  margin-bottom: 1.5rem;
}

.type {
  background: var(--svetla);
  color: var(--tmava);
  border: 1px solid var(--tmava);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: normal;
}

.project a button {
  display: inline-block;
  cursor: pointer;
  width: fit-content;
  background: var(--tmava);
  color: var(--svetla);
  padding: 0.5rem 1rem;
  text-decoration: none;
  font-size: 0.8rem;
  transition: all 0.3s;
  margin-top: auto;
  border: 1px solid var(--cerna);
}

.project-link-container,
.project-btn {
  margin-top: auto;
}

.project a button:hover {
  background: var(--svetla);
  color: var(--tmava);
}

.project-link,
.project-btn {
  width: fit-content;
}

.project-link a,
.project-link h3 {
  color: var(--cerna);
  text-decoration: none;
}

.project-link a:hover,
.project-link h3:hover {
  text-decoration: underline;
}

#project-detail {
  margin: 0 auto;
  text-align: center;
}

#project-detail h2 {
  font-size: 2rem;
  font-weight: 300;
}

#project-detail p {
  font-size: 1rem;

  margin-bottom: 1.5rem;
}

#project-detail img {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  border: 1px solid var(--tmava);
}

.contact-btns {
  display: flex;
  gap: 0.7rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  main {
    max-width: 90%;
  }

  header {
    padding: 1.5rem 1rem;
  }

  .header-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    max-width: 100%;
  }

  .header-contact {
    align-items: center;
  }

  .header-contact #phone {
    display: block;
  }

  .contact-btns {
    display: flex;
    gap: 1rem;
  }

  .contact-info {
    text-align: center;
    display: none;
  }

  header h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .services {
    font-size: 0.85rem;
  }

  #projects {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project-content {
    padding: 1rem;
  }

  .project h3 {
    font-size: 1.1rem;
  }

  .project p {
    font-size: 0.85rem;
  }

  .type {
    font-size: 0.7rem;
  }

  .project a button {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  #project-detail h2 {
    font-size: 1.8rem;
  }

  #project-detail p {
    font-size: 0.95rem;
  }

  .back-link {
    margin-bottom: 1rem !important;
    font-size: 0.8rem !important;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1rem;
  }

  .header-content {
    gap: 0.5rem;
  }

  header h1 {
    font-size: 1.6rem;
  }

  .tagline {
    font-size: 0.8rem;
  }

  .services {
    font-size: 0.7rem;
  }

  .contact-info {
    font-size: 0.8rem;
  }

  main {
    padding: 1rem;
  }

  #projects {
    gap: 1rem;
  }

  .project-content {
    padding: 0.8rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  #project-detail h2 {
    font-size: 1.6rem;
  }

  .contact-details p {
    font-size: 0.9rem;
  }
}

.back-link {
  display: block;
  margin-bottom: 2rem;
  text-decoration: none;
  color: var(--tmava);
  font-size: 1.2rem;
  transition: opacity 0.3s;
}

.back-link:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.btn-secondary {
  display: inline-block;
  cursor: pointer;
  width: fit-content;
  background: var(--bila);
  color: var(--tmava);
  padding: 0.5rem 1rem;
  text-decoration: none;
  font-size: 0.8rem;
  transition: all 0.3s;
  margin-top: auto;
  border: 1px solid var(--cerna);
}

.btn-secondary:hover {
  background: var(--tmava);
  color: var(--bila);
}

header .btn-secondary {
  border: 1px solid var(--bila);
}

.btn-primary {
  display: inline-block;
  cursor: pointer;
  width: fit-content;
  background: var(--tmava);
  color: var(--bila);
  padding: 0.5rem 1rem;
  text-decoration: none;
  font-size: 0.8rem;
  transition: all 0.3s;
  margin-top: auto;
  border: 1px solid var(--cerna);
}

.btn-primary:hover {
  background: var(--bila);
  color: var(--tmava);
}

.project-image-link {
  display: block;
  transition: opacity 0.3s;
}

.project:hover .project-title {
  text-decoration: underline;
}