:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --color-primary: oklch(60% .15 160);
  --color-primary-light: oklch(75% .15 160);
  --color-primary-dark: oklch(45% .15 160);
  --color-accent: oklch(55% .15 160);
  --color-accent-dark: oklch(40% .15 160);
  --color-base: oklch(98% .02 160);
  --color-neutral: oklch(20% 0 0);
  --color-white: oklch(100% 0 0);
  --color-gray-50: oklch(98% 0 0);
  --color-gray-100: oklch(95% 0 0);
  --color-gray-300: oklch(85% 0 0);
  --color-gray-700: oklch(45% 0 0);
  --color-blue-600: oklch(55% .15 260);
}

html {
  font-size: 112.5%;
}

body {
  background: url("optyk-hero.769dd4b9.webp") top no-repeat;
  background-color: var(--color-base);
  font-family: var(--font-sans);
  color: var(--color-neutral);
  margin: 0;
  padding: 0;
}

.header {
  background: linear-gradient(135deg, color-mix(in oklch, var(--color-base) 80%, var(--color-primary)), color-mix(in oklch, var(--color-base) 95%, var(--color-primary)));
  border-bottom: 2px solid color-mix(in oklch, var(--color-primary) 10%, transparent);
  z-index: 20;
  color: var(--color-neutral);
  text-align: center;
  height: 6.5rem;
  position: relative;
  box-shadow: 0 25px 50px -12px #0000001a;

  @media (width >= 640px) {
    height: 4.75rem;
  }

  padding-top: 1.25rem;

  & .logo {
    max-width: 90%;
    margin: auto;
    display: block;
  }

  & .name {
    text-transform: uppercase;
    font-weight: 500;

    &.large {
      margin-bottom: .25rem;
      font-size: 1.5rem;
    }
  }
}

.main-content {
  z-index: 15;
  max-width: 42rem;
  min-height: calc(100lvh - 16rem);
  margin-left: auto;
  margin-right: auto;
  padding: 2rem .5rem 0;
  position: relative;
}

.section-card {
  background: color-mix(in oklch, var(--color-white) 60%, transparent);
  box-shadow: 0 4px 20px color-mix(in oklch, var(--color-primary) 10%, transparent);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  margin: 2rem 0;
  padding: 2rem 2rem .1rem;

  & .title {
    margin-top: 0;
    font-size: 2.25rem;
    font-weight: 400;
    line-height: 2.5rem;
  }
}

.contact-actions {
  text-align: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  display: flex;
}

.btn {
  text-transform: uppercase;
  border-radius: .25rem;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  padding: .375rem 1.5rem;
  font-weight: 700;
  text-decoration: none;
  transition: all .3s ease-in-out;
  display: inline-flex;

  &:focus-visible {
    outline: 3px solid var(--color-blue-600);
    outline-offset: 2px;
  }

  & svg {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  font-size: 1.25rem;
  line-height: 1.75rem;

  &:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transform: translateY(-2px);
  }
}

.btn-secondary {
  border: 2px solid var(--color-primary);
  color: var(--color-accent-dark);
  background: var(--color-white);

  &:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
  }
}

.doctors-list {
  color: var(--color-accent-dark);
  flex-direction: column;
  gap: .75rem;
  padding: 0;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 2rem;
  list-style: none;
  display: flex;
}

.doctor-item {
  background: color-mix(in oklch, var(--color-primary) 5%, transparent);
  border-left: 4px solid var(--color-primary);
  cursor: default;
  border-radius: 8px;
  padding: .8rem 1.2rem;
  transition: all .3s;

  &:hover {
    background: color-mix(in oklch, var(--color-primary) 10%, transparent);
    transform: translateX(8px);
  }
}

.footer {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  text-align: center;
  border-top: 1px solid color-mix(in oklch, var(--color-white) 50%, transparent);
  min-height: 8rem;
  padding-top: .5rem;
  padding-bottom: 3.75rem;
  font-size: 1em;
  box-shadow: inset 0 5px 15px #0003;

  & .name {
    margin-bottom: .375rem;
    display: block;
  }

  & .address {
    margin-bottom: .375rem;
    font-style: normal;
  }
}

.footer-link {
  color: var(--color-white);
  text-decoration-color: color-mix(in oklch, var(--color-white) 70%, transparent);
  text-decoration-thickness: 2.5px;
  transition: all .3s;

  &:hover {
    text-decoration-color: var(--color-white);
    text-shadow: 0 0 8px color-mix(in oklch, var(--color-white) 50%, transparent);
  }

  &:focus-visible {
    outline: 3px solid var(--color-blue-600);
    outline-offset: 2px;
    border-radius: 2px;
  }

  &.large {
    font-size: 1.25rem;
    font-weight: 600;
  }
}

.mobile-action-bar {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-300);
  z-index: 50;
  height: 70px;
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  box-shadow: 0 -4px 6px -1px #0000001a, 0 -2px 4px -2px #0000001a;

  & .link {
    text-align: center;
    color: inherit;
    flex-direction: column;
    flex: 1;
    justify-content: center;
    align-items: center;
    min-height: 70px;
    padding: 0 1rem;
    text-decoration: none;
    transition: background-color .2s;
    display: flex;

    &:hover {
      background-color: var(--color-gray-50);
    }

    &:active {
      background-color: var(--color-gray-100);
    }

    &:focus-visible {
      outline: 3px solid var(--color-blue-600);
      outline-offset: -3px;
    }
  }

  & .icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-bottom: .25rem;

    &.map {
      color: var(--color-blue-600);
    }

    &.phone {
      color: var(--color-primary);
    }
  }

  & .label {
    color: var(--color-gray-700);
    font-size: .75rem;
    font-weight: 500;
    line-height: 1rem;
  }

  & .separator {
    background-color: var(--color-gray-300);
    width: 1px;
  }
}

@media (width >= 640px) {
  .header .logo {
    max-width: none;
  }

  .main-content {
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .footer {
    padding-bottom: 0;
  }

  .mobile-action-bar {
    display: none;
  }
}