/* TarmacSync shared marketing-site shell
   Keeps global navigation and footer behavior consistent across static pages. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 0;
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, .84);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  transition: border-color .25s ease, background .25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: #E4E6EA;
  background: rgba(255, 255, 255, .94);
}

.site-header__inner {
  width: min(1120px, calc(100% - 3rem));
  height: 64px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.site-header__logo {
  display: block;
  width: 174px;
  height: 42px;
  max-width: none;
  object-fit: contain;
  object-position: left center;
  opacity: 1;
  mix-blend-mode: normal;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-left: auto;
}

.site-nav a {
  color: #3E4149;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: -.005em;
  text-decoration: none;
  transition: color .2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: #17191F; }

.site-nav__program { display: none !important; }

.site-header__cta {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  margin: 0;
  padding: .56rem 1.05rem;
  border: 1px solid #17191F;
  border-radius: 999px;
  background: #17191F;
  color: #fff;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: .82rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.006em;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, transform .2s ease;
}

.site-header__cta:hover { background: #2C2F38; transform: translateY(-1px); }
.site-header__cta-short { display: none; }

.site-menu {
  width: 42px;
  height: 42px;
  display: none;
  place-items: center;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #17191F;
  cursor: pointer;
}

.site-menu__lines { width: 22px; display: grid; gap: 5px; }
.site-menu__lines span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.site-menu[aria-expanded="true"] .site-menu__lines span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-menu[aria-expanded="true"] .site-menu__lines span:nth-child(2) { opacity: 0; }
.site-menu[aria-expanded="true"] .site-menu__lines span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-header :focus-visible,
.site-footer :focus-visible {
  outline: 2px solid #B94E08;
  outline-offset: 3px;
  border-radius: 4px;
}

/* Use deliberate paragraph rhythm instead of hard-coded line breaks. Each
   span remains responsive while distinct ideas receive their own line. */
.copy-stack > span { display: block; }
.copy-stack > span + span { margin-top: .5rem; }
.copy-stack--tight > span + span { margin-top: .25rem; }

.site-footer {
  border-top: 1px solid #E4E6EA;
  padding: 4.5rem 0 3.5rem;
}

.site-footer__inner {
  width: min(1120px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
}

.site-footer__logo {
  display: block;
  width: 164px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
}
.site-footer__logo--icon {
  width: 56px;
}

.site-footer__links a {
  color: #6E7179;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: .85rem;
  text-decoration: none;
  transition: color .2s ease;
}

.site-footer__links a:hover { color: #17191F; }

@media (max-width: 860px) {
  .site-header__inner { width: calc(100% - 2rem); gap: .65rem; }
  .site-header__logo { width: 156px; height: 38px; }
  .site-nav {
    position: fixed;
    inset: 64px 0 auto;
    display: none;
    margin: 0;
    padding: 1rem 1rem 1.25rem;
    border-bottom: 1px solid #E4E6EA;
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 18px 38px rgba(23, 25, 31, .10);
    flex-direction: column;
    align-items: stretch;
    gap: .15rem;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: .65rem .75rem;
    border-radius: 10px;
    font-size: 1rem;
  }
  .site-nav a:hover { background: #F5F6F8; }
  .site-nav .site-nav__program {
    min-height: 48px;
    display: flex !important;
    justify-content: center;
    margin-top: .65rem;
    border: 1px solid #17191F;
    background: #17191F;
    color: #fff;
    font-size: .92rem;
    font-weight: 600;
    text-align: center;
  }
  .site-nav .site-nav__program:hover { background: #2C2F38; color: #fff; }
  .site-menu { display: grid; }
  .site-header__cta { display: none; }
  .site-footer { padding: 3.75rem 0 2.75rem; }
  .site-footer__inner { flex-direction: column; gap: 2rem; }
  .site-footer__links { justify-content: center; gap: .8rem 1.5rem; }
}

@media (max-width: 390px) {
  .site-header__logo { width: 146px; height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-header *, .site-footer * { transition: none !important; }
}