/* ------------------------------
   Shared design variables
------------------------------ */

:root {
  --background-color: #fbf7ef;
  --surface-color: #fffdf8;
  --surface-muted-color: #f3ebde;

  --text-color: #2f211b;
  --muted-text-color: #705f55;

  --primary-color: #79392c;
  --primary-dark-color: #57251c;
  --primary-light-color: #f1ddd6;

  --border-color: #ded0bf;

  --page-width: 1180px;

  --small-radius: 8px;
  --medium-radius: 14px;

  --small-shadow: 0 2px 6px rgba(47, 33, 27, 0.06);

  --medium-shadow: 0 14px 35px rgba(47, 33, 27, 0.1);
}

/* ------------------------------
   Basic reset
------------------------------ */

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.15;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

/* ------------------------------
   Shared page container
------------------------------ */

.container {
  width: min(calc(100% - 40px), var(--page-width));

  margin-inline: auto;
}

/* ------------------------------
   Shared buttons
------------------------------ */

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;

  padding: 10px 20px;

  border: 1px solid var(--primary-color);
  border-radius: var(--small-radius);

  background-color: var(--primary-color);
  color: white;

  font-weight: 700;

  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  border-color: var(--primary-dark-color);
  background-color: var(--primary-dark-color);
  transform: translateY(-1px);
}

.button--secondary {
  border-color: var(--border-color);
  background-color: var(--surface-color);
  color: var(--text-color);
}

.button--secondary:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-light-color);
}

/* ------------------------------
   Shared header
------------------------------ */

.site-header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--surface-color);
}

.site-navigation {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.site-brand {
  color: var(--primary-color);
  font-size: 1.1rem;
  font-weight: 800;
}

.site-navigation__links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-navigation__links a {
  font-weight: 650;
}

.site-navigation__links a:hover {
  color: var(--primary-color);
}

/* ------------------------------
   Shared footer
------------------------------ */

.site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--border-color);
  background-color: var(--surface-muted-color);
}

.site-footer__content {
  padding-block: 35px;
}

.site-footer p {
  margin: 0;
  color: var(--muted-text-color);
}

/* ------------------------------
   Keyboard accessibility
------------------------------ */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid #c99b43;
  outline-offset: 3px;
}

/* ------------------------------
   Responsive styles
------------------------------ */

@media (max-width: 650px) {
  .container {
    width: min(calc(100% - 28px), var(--page-width));
  }

  .site-navigation {
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding-block: 18px;
  }

  .site-navigation__links {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .site-navigation__links .button {
    width: 100%;
  }
}