/* ─── Site Header ──────────────────────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-image: var(--bg-coastal-image);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* ─── Navigation ───────────────────────────────────────────────────────────── */

.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ─── Logo lockup ──────────────────────────────────────────────────────────── */

.site-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-nav__mark {
  width: 112px;
  height: 112px;
  display: block;
  flex-shrink: 0;
  filter: brightness(0);
  opacity: 1;
}

.site-nav__wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3em;
  line-height: 1.1;
}

.site-nav__wordmark-stump {
  font-family: var(--poppins);
  font-weight: 400;
  font-size: 36px;
  color: var(--black);
}

.site-nav__wordmark-development {
  font-family: var(--fahkwang);
  font-weight: 200;
  font-size: 36px;
  letter-spacing: 0.04em;
  color: var(--white);
}

/* ─── Nav links ────────────────────────────────────────────────────────────── */

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__links a {
  font-family: var(--poppins);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--white);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
  position: relative;
  padding-bottom: 3px;
}

.site-nav__links a:hover,
.site-nav__links a.active,
.site-nav__links a[aria-current="page"] {
  color: var(--ember);
}

.site-nav__links a.active,
.site-nav__links a[aria-current="page"] {
  border-bottom: 2px solid var(--ember);
  padding-bottom: 2px;
}

/* ─── Hamburger ────────────────────────────────────────────────────────────── */

.site-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.site-nav__hamburger span {
  display: block;
  height: 1px;
  background: var(--white);
  transition: all var(--duration) var(--ease);
  transform-origin: center;
}

.site-nav__hamburger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.site-nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ─── Mobile panel ─────────────────────────────────────────────────────────── */

.site-nav__mobile-panel {
  display: none;
  position: fixed;
  top: 144px;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--forest-deep);
  padding: 40px 32px;
  transform: translateX(100%);
  transition: transform var(--duration) var(--ease);
  z-index: 99;
  border-left: 1px solid rgba(255,255,255,0.06);
}

.site-nav__mobile-panel.open {
  transform: translateX(0);
}

.site-nav__mobile-panel ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.site-nav__mobile-panel a {
  font-family: var(--poppins);
  font-weight: 400;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--sage);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.site-nav__mobile-panel a:hover,
.site-nav__mobile-panel a.active {
  color: var(--white);
}

/* ─── Mobile breakpoint ────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .site-nav__links {
    display: none;
  }

  .site-nav__hamburger {
    display: flex;
  }

  .site-nav__mobile-panel {
    display: block;
  }
}