*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --bg-gradient: linear-gradient(135deg, #ffffff, #e0e0ff);
  --text-color: #222222;
  --header-bg: linear-gradient(135deg, #e0e0ff, #ffffff);
  --header-shadow: 0 0 20px rgba(174, 0, 255, 0.2);
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-shadow: 0 0 15px rgba(174, 0, 255, 0.15);
  --card-shadow-hover: 0 0 20px rgba(0, 170, 255, 0.3);
  --btn-bg: #ff00dd;
  --btn-hover-bg: #00e1ff;
  --btn-shadow: 0 0 10px rgba(255, 0, 170, 0.3);
  --nav-bg: linear-gradient(135deg, #e0e0ff, #ffffff);
  --nav-shadow: 0 -2px 8px rgba(174, 0, 255, 0.2);
  --footer-bg: #cc99ff;
  --footer-color: #222222;
  --footer-shadow: 0 -2px 6px rgba(174, 0, 255, 0.2);
  --link-color: #ae00ff;
  --link-shadow: 0 0 5px #ff00dd;
}

body.dark {
  --bg-gradient: linear-gradient(135deg, #0d0d0d, #1f005c);
  --text-color: white;
  --header-bg: linear-gradient(135deg, #0d0d0d, #1f005c);
  --header-shadow: 0 0 20px rgba(255, 0, 170, 0.33);
  --card-bg: rgba(51, 0, 102, 0.8);
  --card-shadow: 0 0 15px rgba(255, 0, 170, 0.33);
  --card-shadow-hover: 0 0 20px rgba(0, 170, 255, 0.53);
  --btn-bg: #ff00dd;
  --btn-hover-bg: #00e1ff;
  --btn-shadow: 0 0 10px rgba(255, 0, 170, 0.4);
  --nav-bg: linear-gradient(135deg, #0d0d0d, #1f005c);
  --nav-shadow: 0 -2px 8px rgba(174, 0, 255, 0.33);
  --footer-bg: #6600cc;
  --footer-color: white;
  --footer-shadow: 0 -2px 6px rgba(174, 0, 255, 0.33);
  --link-color: #ae00ff;
  --link-shadow: 0 0 5px #ff00dd;
}

body {
  background: var(--bg-gradient);
  color: var(--text-color);
  min-height: 100vh;
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

.site-header {
  text-align: center;
  padding: 40px 20px 20px;
  background: var(--header-bg);
  box-shadow: var(--header-shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  transition: background-color 0.3s, box-shadow 0.3s;
}

.site-header__logo {
  font-size: 36px;
  font-weight: 600;
  color: var(--text-color);
  text-shadow: var(--link-shadow);
  margin: 0;
  transition: color 0.3s, text-shadow 0.3s;
}

#toggle-dark {
  font-size: 19px;
  padding: 6px 12px;
  cursor: pointer;
  border: none;
  border-radius: 16px;
  background-color: var(--btn-bg);
  color: white;
  box-shadow: var(--btn-shadow);
  transition: background-color 0.3s ease, transform 0.2s ease;
}
#toggle-dark:hover {
  background-color: var(--btn-hover-bg);
  transform: scale(1.05);
}


.main-navigation {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: var(--nav-bg);
  display: flex;
  justify-content: space-around;
  padding: 12px 0;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  box-shadow: var(--nav-shadow);
  z-index: 1001;
  transition: background-color 0.3s, box-shadow 0.3s;
}

.main-navigation__link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.2s ease, color 0.3s;
}
.main-navigation__link:hover {
  transform: scale(1.1);
}

.site-footer {
  position: fixed;
  bottom: 56px;
  width: 100%;
  background: var(--footer-bg);
  color: var(--footer-color);
  text-align: center;
  padding: 16px;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  box-shadow: var(--footer-shadow);
  z-index: 1000;
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}

.site-main {
  padding: 100px 20px 140px;
  max-width: 1000px;
  margin: 0 auto;
  transition: padding 0.3s;
}

.menu__card {
  background: var(--card-bg);
  padding: 20px;
  margin: 20px 0;
  border-radius: 15px;
  display: flex;
  gap: 20px;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s;
}

.menu__card:hover {
  transform: scale(1.03);
  box-shadow: var(--card-shadow-hover);
}

.menu__card img {
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: 15px;
  border: 2px solid var(--btn-bg);
  transition: border-color 0.3s;
}

.menu__card-info {
  flex: 1;
}

.menu__card-title {
  margin: 0;
  font-size: 22px;
  font-weight: bold;
  color: var(--link-color);
  text-shadow: var(--link-shadow);
  transition: color 0.3s, text-shadow 0.3s;
}

.menu__card-description {
  margin: 8px 0;
  color: var(--text-color);
  opacity: 0.8;
  transition: color 0.3s;
}

.menu__card-price {
  font-weight: bold;
  color: var(--btn-bg);
  font-size: 18px;
  transition: color 0.3s;
}

@media (min-width: 768px) {
  .main-navigation {
    position: fixed;
    top: 72px;
    bottom: auto;
    width: 100%;
    border-radius: 0 0 16px 16px;
    padding: 12px 0;
    box-shadow: 0 0 12px rgba(174, 0, 255, 0.33);
    z-index: 1001;
  }
  .site-footer {
    position: relative;
    bottom: auto;
    box-shadow: none;
    border-radius: 0;
    padding: 16px 20px;
    margin-top: 40px;
    text-align: center;
    background: #6600cc;
    color: white;
    z-index: auto;
  }

  .site-main {
    padding-top: 140px;
    padding-bottom: 80px;
    max-width: 1000px;
    margin: 0 auto;
  }
}

a:focus,
button:focus {
  outline: 2px solid var(--btn-hover-bg);
  outline-offset: 2px;
  border-radius: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

a.btn, #toggle-dark {
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

a.btn {
  display: inline-block;
  padding: 0.5em 1em;
  background-color: var(--btn-bg);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  margin-top: 0.5em;
  box-shadow: var(--btn-shadow);
  transition: background-color 0.3s ease, transform 0.2s ease;
}

a.btn:hover,
a.btn:focus {
  background-color: var(--btn-hover-bg);
  outline: none;
  transform: scale(1.05);
}

.contact-card {
  background: var(--card-bg);
  padding: 20px;
  margin: 20px 0;
  border-radius: 15px;
  box-shadow: var(--card-shadow);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  transition: box-shadow 0.3s ease;
}

.contact-card:hover {
  box-shadow: var(--card-shadow-hover);
}

.content-container {
  background-color: #fff;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-width: 900px;
  margin: 2rem auto;
}


body.dark .content-container {
  background-color: #2c2c2c;
  color: #e0e0e0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-title {
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}