/* ===== Header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;

  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);

  box-shadow: var(--shadow);
}

/* ===== Header Layout ===== */

.header-inner {
  min-height: 84px;

  display: flex;
  align-items: center;

  gap: 1.5rem;

  position: relative;
}

/* ===== Logo ===== */

.logo-area {
  display: flex;
  align-items: center;
}

.logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-main {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.logo-sub {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
}

/* ===== Navigation ===== */

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-list li {
  display: flex;
  align-items: center;
}

.nav-list a {
  font-weight: 600;
  color: var(--secondary);
  position: relative;
  padding: 0.4rem 0;
  transition: var(--transition);
}

/* Hover underline */

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;

  width: 0;
  height: 2px;

  background: var(--accent);

  transition: var(--transition);
}

.nav-list a:hover::after {
  width: 100%;
}

/* ===== CTA Button ===== */

.header-cta {
  display: flex;
  align-items: center;
}

/* ===== Hamburger Button ===== */

.nav-toggle {
  display: none;

  background: none;
  border: none;

  cursor: pointer;

  margin-left: auto;

  width: 30px;
  height: 30px;
}

.nav-toggle span {
  display: block;

  height: 3px;
  width: 100%;

  background: var(--primary);

  margin: 6px 0;

  transition: var(--transition);
}

/* ===== Mobile Navigation ===== */

@media (max-width: 992px) {

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;

    top: 100%;
    left: 0;

    width: 100%;

    background: white;

    border-top: 1px solid var(--border);

    box-shadow: var(--shadow);

    display: none;
  }

  .main-nav.active {
    display: block;
  }

  .nav-list {
    flex-direction: column;

    align-items: flex-start;

    padding: 1.5rem;

    gap: 1rem;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    width: 100%;
  }

  .header-cta {
    display: none;
  }

}