/* ============================================================
   SITE HEADER & NAVIGATION
   ============================================================ */

/* ---- Top Bar ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1280px;
  z-index: 1000;
  padding: 0.65rem var(--space-md);
}

.header-inner {
  background: var(--nav-white);
  border-radius: var(--radius-lg);
  border: 2.5px solid #1C1C1C;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.4rem 0.6rem 1rem;
  max-width: 1140px;
  margin-inline: auto;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

/* ---- Logo ---- */
.site-logo {
  flex-shrink: 0;
}

.site-logo a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  line-height: 1.15;
}

.logo-text .logo-friends {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--color-teal);
  letter-spacing: -0.01em;
}

.logo-text .logo-that-run {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-coral);
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-text .logo-coach {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.04em;
}

/* ---- Primary Nav ---- */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.primary-nav a {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-navy);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  transition: background 0.18s, color 0.18s;
}

.primary-nav a:hover,
.primary-nav a.active {
  background: var(--color-gold);
  color: var(--color-white);
}

.primary-nav a.nav-cta {
  background: var(--color-teal);
  color: var(--color-white);
  margin-left: 0.5rem;
}

.primary-nav a.nav-cta:hover {
  background: var(--color-coral);
  color: var(--color-white);
}

/* ---- Mobile Hamburger ---- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---- Responsive Nav ---- */
@media (max-width: 820px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: var(--space-md);
    right: var(--space-md);
    background: var(--nav-white);
    border-radius: var(--radius-md);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-sm);
    box-shadow: var(--shadow-panel);
    gap: 0.25rem;
  }

  .primary-nav.open { display: flex; }

  .primary-nav a {
    padding: 0.7rem 1rem;
    font-size: 1rem;
  }
}