* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

:root {
  --shadow-dark: #0d0d0d;
  --color-tertiary: #171717;
  --color-secondary: #212121;
  --color-primary: #2f2f2f;
  --color-red: #8b3e3e;
  --color-green: #3e7f4e;
  --bg-color-green: #1a2c1f;

  --text-secondary: #b4b4b4;
  --text-primary: #ececec;
}

body {
  max-width: 50rem;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 1rem;

  display: grid;
  grid-template-rows: auto 1fr auto;

  background: var(--color-tertiary);
  color: var(--text-primary);
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;

  position: sticky;
  top: 0;
  z-index: 1;

  margin-bottom: 1rem;
  border-bottom: 0.1rem solid var(--color-primary);

  background: var(--color-tertiary);
}

main {
    padding: 0 1rem;
}

footer {
  padding: 1rem;
}

h1 {
  margin-bottom: 0.5rem;
}

p,
.decoration {
  color: var(--text-secondary);
}

.main_title {
  margin: 0;
}

.main_logo { 
    width: 6rem;
}

nav {
  display: flex;
  gap: 1rem;
}

a {
  color: var(--text-primary);
}

.presentation {
  display: flex;
  align-items: center;
  gap: 1rem;
}


@media (max-width: 600px) {
    .presentation {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
}

.presentation > img {
    width: 60%;
}

nav > a:not(.selected) {
  text-decoration: none;
  color: var(--text-secondary);
}

.soundCard {
  max-width: 40rem;
  padding: 0 1rem;
  margin-top: 1rem;

  background: var(--color-secondary);
  border: 0.1rem solid var(--color-primary);
  border-radius: 0.5rem;
}

.soundCard > h3 {
  margin: 1.25rem 0 0 1rem;
}

audio {
  width: 100%;
}

audio::-webkit-media-controls-panel,
audio::-webkit-media-controls-enclosure {
  background: var(--color-secondary);
}

audio::-webkit-media-controls-current-time-display,
audio::-webkit-media-controls-time-remaining-display {
  color: var(--text-primary) !important;
  text-shadow: none !important;
}

audio::-webkit-media-controls-play-button,
audio::-webkit-media-controls-mute-button,
audio::-webkit-media-controls-volume-slider,
audio::-webkit-media-controls-timeline,
audio::-webkit-media-controls-fullscreen-button {
  filter: invert(1);
}

#contactForm {
  margin-top: 1rem;
}

.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

input, textarea {
  padding: 0.75rem;
  font-size: 1rem;
  color: var(--text-primary);

  background: var(--color-secondary);
  border: 0.1rem solid var(--color-primary);
  border-radius: 0.5rem;

  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--text-secondary);
}

button {
  padding: 0.75rem 3rem;
  
  background: var(--color-secondary);
  border: 0.1rem solid var(--color-primary);
  border-radius: 0.5rem;

  color: var(--text-primary);
}

button:hover {
  background: var(--color-primary);
  border-color: var(--text-secondary);
  cursor: pointer;
}

.error {
  border-bottom-color: var(--color-red);
}

.hidden {
    display: none;
}

small {
  color: var(--color-red);
  font-size: 0.9rem;
  margin-top: 0.25rem;
  height: 1rem;
  display: inline;
}

#successMsg {
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;

  border-radius: 0.5rem;
  border: 0.1rem solid var(--color-green);
  background: var(--bg-color-green);
}

.gallery{
    margin-top: 1rem;
    background-color: var(--color-secondary);
    border-radius: 0.5rem;
    border: 0.1rem solid var(--color-primary);
    padding: 1rem 1rem 0 1rem;
    column-count:3;
}

@media (max-width: 700px) {
    .gallery {
        column-count: 2;
    }
}

@media (max-width: 600px) {
    .gallery {
        column-count: 1;
    }
}

.gallery > a {
    margin-bottom: 1rem;
    transition: all 0.5s;
    display: flex;
    justify-content: center;
    overflow: hidden;
    border-radius: 0.5rem;
}

.gallery > a > img {
    width: 100%;
    height: auto;
    transition: all 0.5s;
    object-fit: cover;
}

.gallery > a > img:hover {
    scale: 1.1;
}