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

html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%; 
  text-size-adjust: 100%; 
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: #000;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  font-family: Arial, Helvetica, sans-serif;
  color: #fff;
}

main {
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-inline: 1rem;
  padding-bottom: 0;
  width: 100%;
  margin: 0;  
  box-sizing: border-box;
}

nav {
  width: 100%;
  margin: 0;
  padding: 0;
  background: #BBDEFB;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  background: #BBDEFB;
  width: 100%;
  margin: 0;
  padding: 0.75rem 1rem;
  list-style: none;
  position: sticky;
  inset-inline: 0;
  top: 0;
  z-index: 1000;
  box-sizing: border-box;
}

.navbar li {
  margin: 0;
}

.navbar a {
  color: #002D62; 
  text-decoration: none;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 0.3rem;
  transition: background 0.3s, color 0.3s;
}

.navbar a:hover,
.navbar a:focus-visible {
  background-color: #008000;
  color: #fff;
}

.navbar a.active {
  border-bottom: 3px solid #008000;
  font-weight: 700;
  color: #000;
}

h1 {
  margin: clamp(2rem, 5vh, 4rem) 1rem 1rem;
  margin-bottom: 1.25rem;
  text-align: center;
  font-size: clamp(1.5rem, 3.7vw, 3.7rem);
}

h2 {
  text-align: center;
  font-size: clamp(1.25rem, 2.5vw, 3.5rem);
  margin: 1.25rem;
}

.listHeadline {
  text-align: center;
  font-size: clamp(1.2rem, 2.3vw, 2.5rem);
  margin: 1rem;
}

p {
  font-size: clamp(1.1rem, 2.2vw, 2rem);
  line-height: 1.25;
  width: 95%;
  padding-inline: 0.25rem;
}

ul {
  list-style: disc inside;
  text-align: left;
  padding-left: 1rem;
  width: 95%;
  margin: 1rem auto;
  padding: 0 0 1rem 0.5rem;
}

p, ul {
  max-width: none;
  margin-inline: auto;
}
  
ul li { 
  margin: 0.65rem 0;
  font-size: clamp(0.9rem, 2vw, 1.8rem);
  padding-inline: 0.2rem;
}

li {
  white-space: normal;
  word-break: keep-all;
  white-space: break-spaces;
}

a {
  color: #008000;
  text-decoration: none;
}

a.active {
  text-shadow: 0.15rem 0.15rem 0.15rem rgba(0, 0, 0, 0.5);
  font-weight: 700;
}

.btn {
  display: inline-block;
  background: #BBDEFB;
  color: #000;
  padding: 0.2rem 0.5rem;
  margin: 1rem 0;
  border-radius: 0.5rem;
  font-size: clamp(1rem, 3.5vw, 1.4rem);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}

.btn:hover,
.btn:focus-visible {
  background: #008000;
  color: #fff;
}

.center {
  text-align: center;
}

.shots {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  width: 100%;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.shots img {
  width: 70%;
  height: auto;
  aspect-ratio: 9/16;
  object-fit: contain;
  margin: auto;
  border-radius: 0.45rem;
}

.features,
#features ul,
#howto ul,
#intended-target ul{
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding-left: 2rem;
  text-align: left;
}

.section-block {
  width: 100%;
  max-width: 1600px;
  margin-inline: auto;
  text-align: center;
}

.section-block ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  list-style-position: inside;
  padding: 0;
  margin: 0 auto;
  width: auto;
  max-width: 100%;
}

.section-block ul li,
#howto li,
#features li,
#intended-target li{
  white-space: normal;
  text-align: left;
  line-height: 1.5;
}

.section-block p,
.section-block .center {
  max-width: 100%;
  margin: 0 auto;
  white-space: normal;
  word-break: keep-word;
  line-height: 1.5;
  padding: 0 1rem;
}

.centered-list-block {
  max-width: 1000px;
  width: 100%;
  margin-inline: auto;
}

.centered-list-block ul {
  padding-left: 1.5rem;
  text-align: left;
}

footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 100%;
  margin: 0;
  padding: 0.6rem;
  background: #BBDEFB;
  text-align: center;
}

footer p {
  width: auto;
  max-width: none;
  text-align: center;
  color: #000;
  margin: 0.2rem 0;
  font-style: italic;
  font-size: clamp(1.05rem, 2.8vw, 1.5rem);
  line-height: 1.4;
}

footer a {
  font-weight: 600;
}

footer a:hover {
  color: #002D62;
}

nav, footer {
    flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}

@media (min-width: 1400px) {
  p { 
    text-align: center;
    font-size: clamp(1rem, 1.8vw, 1.75rem); 
  }
  .listHeadline {
    font-size: clamp(1.1rem, 1.9vw, 1.9rem);
  }
}

@media (min-width:1200px){
  .shots{
    grid-template-columns:repeat(3,1fr);
    max-width:1600px;
    margin-inline:auto;
  }

    ul {
    max-width: 1400px;
  }
}

@media (max-width: 1024px) {
  h1 {
    font-size: clamp(1.3rem, 5vw, 2.5rem);
    margin-top: clamp(2.5rem, 7vh, 3.5rem);
  }
  p {
    font-size: clamp(0.8rem, 2.5vw, 1.6rem);
  }
  ul li { 
    font-size: clamp(0.7rem, 2.2vw, 1.4rem);
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem;
  }

  .navbar a {
    font-size: clamp(0.7rem, 2.3vw, 0.9rem);
    padding: 0.4rem 0.75rem;
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: clamp(1rem, 2.6vw, 1.65rem);
    margin-top: clamp(2rem, 9vh, 3rem);
  }
  .listHeadline {
    font-size: clamp(1.1rem, 2.1vw, 1.6rem);
  }
  p {
    font-size: clamp(1.1rem, 2.1vw, 1.6rem);
  }
  ul li { 
    font-size: clamp(1.1rem, 2vw, 1.6rem);
  }
}