.site-header {
  position: relative;
  z-index: 20;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid rgba(58, 90, 113, .08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1300px, calc(100% - 2 * clamp(.75rem, 3vw, 3rem)));
  min-height: 88px;
  margin-inline: auto;
  padding-block: 12px;
}

.site-header__brand { display: block; flex: 0 0 auto; }

.site-header__inner img {
  display: block;
  width: clamp(170px, 19vw, 220px);
  height: auto;
}

.site-header__navigation { display: flex; align-items: center; }

.site-header__menu-toggle { display: none; }

.site-header__menu-icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 2; }

.site-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1.5rem, 3vw, 2.75rem);
}

.site-header__calculator {
  color: #0b3550;
  font-size: .9rem;
  font-weight: 800;
  text-decoration: none;
  text-underline-offset: 4px;
}

.site-header__calculator:hover { text-decoration: underline; }

.site-header__calculator::after {
  display: inline-block;
  content: "";
  width: 1rem;
  height: 1rem;
  margin-left: .35rem;
  vertical-align: -0.15em;
  background: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 12 12 4M5 4h7v7' stroke='%23ff5b25' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.site-header__call {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.15rem;
  border-radius: 999px;
  background: #ff5b25;
  box-shadow: 0 6px 18px rgba(11, 53, 80, .16);
  color: #fff;
  font-size: .9rem;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s ease, transform .2s ease;
}

.site-header__call:hover { background: #0b3550; color: #fff; transform: translateY(-2px); }
.site-header__call:focus-visible,
.site-header__calculator:focus-visible { outline: 3px solid #2496c2; outline-offset: 4px; }

@media (min-width: 769px) {
  .site-header__call {
    min-height: 60px;
    padding: 20px 28px;
    box-shadow: 0 8px 22px rgba(11, 53, 80, .22);
    font-family: "Open Sans", Arial, sans-serif;
    font-size: 20px;
    line-height: 1;
  }
}

@media (max-width: 680px) {
  .site-header__inner { min-height: 100px; flex-wrap: nowrap; justify-content: space-between; gap: .65rem; padding-block: 12px; }
  .site-header__inner img { width: min(150px, 45vw); }
  .site-header__navigation { position: relative; margin-right: 16px; }
  .site-header__menu-toggle {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #0b3550;
    cursor: pointer;
  }
  .site-header__menu-icon { width: 26px; height: 26px; stroke-width: 1.7; }
  .site-header__menu-toggle:focus-visible { outline: 2px solid #2496c2; outline-offset: 2px; }
  .site-header__actions {
    position: absolute;
    top: calc(100% + .55rem);
    right: 0;
    z-index: 30;
    display: none;
    width: min(280px, calc(100vw - 1.5rem));
    flex-direction: column;
    align-items: stretch;
    gap: .5rem;
    padding: .75rem;
    border: 1px solid #cfe3ed;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(11, 53, 80, .16);
  }
  .site-header__actions.is-open { display: flex; }
  .site-header__calculator,
  .site-header__call { min-height: 48px; justify-content: center; padding: .75rem; font-size: .88rem; text-align: center; }
  .site-header__call { white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) { .site-header__call { transition: none; } .site-header__call:hover { transform: none; } }