* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

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

/* HEADER */

.site-header {
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid #e4e8e6;
  position: relative;
  z-index: 1000;
}

.site-header-inner {
  width: min(1180px, 90%);
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-brand {
  color: #153f3c;
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
}

/* DESKTOP */

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.desktop-nav a {
  color: #153f3c;
  font-size: 14px;
  font-weight: 600;
}

.desktop-nav a:hover {
  opacity: 0.72;
}

.desktop-nav .plan-button {
  padding: 10px 17px;
  background: #153f3c;
  color: #ffffff;
  border-radius: 999px;
}

.desktop-nav .plan-button:hover {
  background: #0c2826;
  opacity: 1;
}

/* MOBILE MENU BUTTON */

.mobile-menu-button {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid #d3dcda;
  border-radius: 999px;
  background: #ffffff;
  color: #153f3c;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.menu-icon {
  width: 18px;
  height: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.menu-icon span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: #153f3c;
}

/* MOBILE NAVIGATION */

.mobile-nav {
  display: none;
  width: 100%;
  background: #ffffff;
  border-top: 1px solid #e4e8e6;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-inner {
  width: 92%;
  margin: 0 auto;
  padding: 9px 0 18px;
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  padding: 13px 2px;
  color: #153f3c;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid #edf0ef;
}

.mobile-nav a:last-child {
  border-bottom: 0;
}

.mobile-nav .mobile-plan-button {
  width: fit-content;
  margin-top: 10px;
  padding: 13px 18px;
  background: #153f3c;
  color: #ffffff;
  border-radius: 999px;
}

/* FOOTER */

.site-footer {
  padding: 22px 6%;
  background: #0c2826;
  color: #ffffff;
  text-align: center;
  font-size: 13px;
}

/* MOBILE */

@media (max-width: 900px) {

  .site-header-inner {
    width: 92%;
    min-height: 68px;
  }

  .site-brand {
    font-size: 20px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu-button {
    display: inline-flex;
  }
}