@font-face {
  font-family: 'Poppins';
  src: url(fonts/Poppins-Light.ttf) format('truetype');
  font-weight: 300;
  font-style: normal;
}

@font-face {
  font-family: 'Poppins';
  src: url(fonts/Poppins-Bold.ttf) format('truetype');
  font-weight: 600;
  font-style: normal;
}

@font-face {
  font-family: 'Poppins';
  src: url(fonts/Poppins-ExtraBold.ttf) format('truetype');
  font-weight: 800;
  font-style: normal;
}

:root {
  /* Hlavní brandové barvy */
  --color-primary: #7f0045;
  --color-secondary: #FD9C90;
  --color-accent: #f3aaa0;
  --color-bg-light: #FFFFFF;
  /* Barvy textu */
  --color-text-dk: #2A2A2A;
  /* Světlá slonová kost - základní text */
  --color-text-w: #FFFFFF;
  /* Téměř bílá - nadpisy, zvýraznění */
  /*fonts*/
  --font-text: "Poppins", sans-serif;
  font-weight: 300;
  --font-special: 'Poppins', sans-serif;
}

/* BASIC SETTING */
html, body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  color: var(--color-text-dk);
  font-family: var(--font-text);
  scroll-behavior: smooth;
}

body {
  background: url(/pictures/background.jpg) no-repeat;
  background-size: cover;
  height: 100%;
  font-weight: 500;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-special);
  font-weight: 800;
  color: var(--color-text-dk);
  margin: 0;
  padding: 0;
}

.container {
  margin: 0 auto;
  padding: 2rem;
}

i {
  font-size: 32px;
  color: var(--color-text-w);
  margin: 0 10px;
}

/* BUTTONS */
.btn {
  background-color: var(--color-primary);
  color: var(--color-text-w);
  font-weight: 700;
  text-decoration: none;
  border: none;
  padding: 0.75rem 1.5rem;
  margin: 0 auto;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn:hover {
  color: var(--color-accent);
  transform: translateY(-3px);
}

.btn--large {
  padding: 10px 40px;
  margin: 0 auto;
}

.btn--form {
  font-size: 1.1rem;
  align-self: end;
  padding: 10px 35px;
  text-transform: uppercase;
  box-shadow: 3px 3px 8px var(--color-accent);
}

i {
  font-size: 1.1rem;
}

/* HEADER */
header {
  width: 100%;
  height: fit-content;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  flex-wrap: wrap;
}

.nav__logo {
  width: 60px;
  height: 60px;
}

.nav__container {
  display: none;
  flex-direction: column;
  width: 100%;
  padding: 0.5rem 0;
  align-items: flex-start;
}

.nav__container.active {
  display: flex;
  justify-content: center;
  flex-direction: row;
  gap: 1rem;
}

.nav__link {
  margin: 0.5rem 0;
  display: flex;
  gap: 0.5rem;
  font-size: 1rem;
  text-decoration: none;
  color: var(--color-text-w);
  font-weight: 700;
  transition: color 0.3s ease;
}

.nav__link:hover {
  color: var(--color-accent);
}

.nav__toggle {
  display: block;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 2rem;
  cursor: pointer;
  margin-left: auto;
}

/* FOOTER */
footer {
  width: 100%;
  font-size: 0.8rem;
  color: var(--color-text-w);
  text-align: center;
  max-height: fit-content;
}

footer a {
  text-decoration: none;
  color: var(--color-text-w);
}

/* ABOUT ME */
.intro__container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 100vh;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.intro__photo {
  padding: 1rem;
  width: 350px;
  max-height: auto;
  border: 2px solid var(--color-text-w);
  border-radius: 50%;
}

.intro__info {
  flex: 0 0 60%;
  flex-direction: column;
  padding: 1rem;
  margin: 20px;
}

.intro__title {
  font-size: 1.5rem;
}

.intro__description {
  font-size: 1rem;
  margin-block: 2rem;
  text-align: justify;
  line-height: 1.6;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  grid-template-rows: auto;
  gap: 1.5rem;
  max-width: 700px;
  margin: 0 auto;
}

.grid-item {
  background: linear-gradient(var(--color-primary), #a20d5f, var(--color-accent));
  color: var(--color-text-w);
  font-size: 1.2rem;
  font-weight: 700;
  padding: 1.5rem;
  text-align: center;
  border-radius: 15px;
  box-shadow: 2px 2px 7px #a20d5f;

  max-width: 150px;

}

.grid-item:hover {
  transform: translateY(-3px);
}

.link-certifikat {
  color: var(--color-highlight);
  /* zlatá */
  font-weight: bold;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.link-certifikat:hover {
  color: var(--color-accent);
  /* třeba vínová */
}

/*MY PROJECTS */
.project {
  padding: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.project__title {
  margin-bottom: 30px;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  text-align: center;
  text-shadow: 2px 2px 6px var(--color-secondary);
}

.project-group {
  color: var(--color-secondary);
  text-transform: uppercase;
  text-align: center;
  border-bottom: 2px solid var(--color-secondary);
  margin: 15px auto;
}

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

.box {
  padding: 10px;
  border: 2px solid var(--color-primary);
  box-shadow: 2px 2px 8px #a20d5f;
  border-radius: 15px;
  flex: 1 1 0;
}

.box h3 {
  color: #a20d5f;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  text-align: center;
}

.project__description {
  font-size: 1.1rem;
  font-weight: 300;
  text-align: justify;
  padding: 10px;
}

.project-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.project__link {
  color: var(--color-accent);
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 600;
}

/* CONTACT */
.contact {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem 0;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 300px;
  margin: 0 auto 20px;
  
  padding: 20px;
  border-radius: 15px;
}

.contact__title {
  font-size: 1.4rem;
  margin: 30px auto;
  color: var(--color-primary);
  text-transform: uppercase;
  text-align: center;
  text-shadow: 2px 2px 6px var(--color-secondary);
}

.contact__link {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 10px auto 20px;
}

label {
  color: var(--color-primary);
  text-align: left;
  font-weight: 700;
}

input, textarea {
  font-size: 0.8rem;
  line-height: 1.6;
  border: 1px solid var(--color-accent);
  font-size: 1rem;
  border-radius: 8px;
  padding: 10px;
  box-shadow:
    3px 3px 6px var(--color-secondary),
    -3px -3px 6px var(--color-accent);
}

.form-message {
  margin-top: 1rem;
  padding: 0.8rem 1.2rem;
  border-radius: 6px;
  background: var(--color-secondary);
  color: var(--color-text-dk);
  font-weight: bold;
  text-align: center;
  transition: opacity 0.3s;
}

/* SCROLL BTN */
.scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  border: 2px solid var(--color-secondary);
  border-radius: 50%;
  box-shadow: 2px 2px 8px var(--color-secondary);
  cursor: pointer;
  display: none;
  /* skryté, dokud uživatel nesjede dolů */
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, opacity 0.3s ease;
  z-index: 1000;
}

.scroll-top i {
  color: var(--color-text-w);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 600px) {
   .project {
    padding: 1rem;
  }

  .project__title {
    font-size: 1.3rem;
  }

  .projects__container {
    flex-direction: column;
    gap: 1.5rem;
  }

  .box {
    padding: 8px;
    border-radius: 10px;
  }

  .box h3 {
    font-size: 1.2rem;
  }

  .project__description {
    font-size: 0.98rem;
    padding: 6px;
  }

  .project-image {
    max-width: 100%;
    height: auto;
  }
}

/* Tablet */
@media (min-width: 601px) {
  .header__container {
    display: flex;
    align-items: center;
  }

    .nav__container {
    display: flex;
    flex-direction: row;
    align-items: start;
    justify-content: center;
    gap: 2rem;
  }

  .nav__logo {
    width: 100px;
    height: 100px;
  }

  .nav__toggle {
  display: none;
  }

  .nav__link {
    font-size: 1.6rem;
  }

  .intro__container {
    flex-direction: column;
    align-items: center;
    min-height: unset;
    gap: 2rem;
    padding: 2rem 0;
  }

  .intro__photo {
    width: 200px;
    height: auto;
    padding: 0.7rem;
  }

  .intro__info {
    margin: 0;
    padding: 1rem;
    width: 100%;
  }

  .intro__title {
    font-size: 1.5rem;
    text-align: center;
  }

  .intro__description {
    font-size: 1rem;
    margin-block: 1.5rem;
    text-align: left;
  }

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

  .btn--large {
    display: block;
    text-align: center;
    max-width: 200px;
  }

  .project {
    padding: 1.5rem 1rem;
    border-radius: 7px;
  }

  .project__title {
    font-size: 1.6rem;
  }

  .projects__container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

  .box {
    padding: 10px;
    border-radius: 12px;
  }

  .box h3 {
    font-size: 1.4rem;
  }

  .project__description {
    font-size: 1rem;
    padding: 8px;
  }

  .project-image {
    max-width: 100%;
    height: auto;
  }

  .contact {
    padding: 2rem 0;
  }

  .contact__form {
    width: 90%;
    min-width: 0;
    padding: 15px;
  }

  .contact__title {
    font-size: 1.4rem;
    margin: 25px auto;
  }

  footer {
    font-size: 0.75rem;
    padding: 0.7rem 0;
  }

  .scroll-top {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
    bottom: 15px;
    right: 15px;
  }
}

@media (min-width: 901px) {
  .projects__container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.icon {
  font-size: 1.3rem;
}

}