/* ============================================================
   layout.css — Header / Footer / Site Frame
   ============================================================ */

/* ── Site Header ────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.98);
  box-shadow: 0 1px 0 var(--clr-border);
  transition: box-shadow var(--transition);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--container-px);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.site-logo__text {
  font-size: 18px;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.2;
  white-space: nowrap;
}

@media (max-width: 359px) {
  .site-logo__text { font-size: 15px; }
}

/* Global Nav */
.global-nav {
  display: none;
}

@media (min-width: 1024px) {
  .global-nav {
    display: block;
  }

  .global-nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .global-nav__item a {
    display: block;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--clr-text);
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
  }

  .global-nav__item a:hover {
    color: var(--clr-primary);
    background: var(--clr-primary-light);
  }

  .global-nav__item--active a {
    color: var(--clr-primary);
    font-weight: 700;
  }

  .global-nav__item--cta a {
    background: var(--clr-primary);
    color: #fff;
    border-radius: var(--radius);
    padding: 8px 16px;
  }

  .global-nav__item--cta a:hover {
    background: var(--clr-primary-dark);
    color: #fff;
  }
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 64px 0 0;
  background: rgba(255,255,255,0.98);
  z-index: 99;
  padding: 24px var(--container-px);
  overflow-y: auto;
}

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

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav__item {
  border-bottom: 1px solid var(--clr-border);
}

.mobile-nav__item a {
  display: block;
  padding: 16px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--clr-text);
}

.mobile-nav__item--cta a {
  color: var(--clr-primary);
  font-weight: 700;
}

/* Body top padding (fixed header offset) */
body {
  padding-top: 64px;
}

/* ── Site Footer ────────────────────────────────────────── */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--clr-border);
}

.site-footer__copy {
  background: var(--clr-bg-gray);
  padding: 14px var(--container-px);
  text-align: center;
  font-size: 12px;
  color: var(--clr-text-sub);
}