/* ============================================
   MELOVAR'S TALE — Layout
   Header, Footer, Navigation, Grids
   ============================================ */

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  transition: background var(--transition-base), 
              box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
}

.site-header.scrolled {
  background: hsla(220, 25%, 6%, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border),
              0 8px 32px hsla(0, 0%, 0%, 0.3);
}

.header-inner {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Logo ── */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-accent);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-azure-fire);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--glow-azure-sm);
}

.logo span {
  background: var(--gradient-azure-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Main Navigation ── */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  position: relative;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: color var(--transition-base),
              background var(--transition-base);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background: hsla(210, 100%, 50%, 0.08);
}

.nav-link.active {
  color: var(--azure-400);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-azure-fire);
  border-radius: var(--radius-full);
  box-shadow: var(--glow-azure-sm);
}

/* ── CTA Button in Nav ── */
.nav-cta {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--surface-950);
  background: var(--gradient-fire);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
  box-shadow: var(--glow-fire-sm);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow-fire);
}

/* ── Mobile Hamburger ── */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
  z-index: 110;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Nav Overlay ── */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: hsla(220, 30%, 5%, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 105;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.mobile-nav-overlay.open {
  display: flex;
}

.mobile-nav-overlay .nav-link {
  font-size: 1.2rem;
  padding: var(--space-md) var(--space-xl);
}

.mobile-nav-overlay .nav-cta {
  font-size: 1rem;
  padding: 0.8rem 2rem;
  margin-left: 0;
  margin-top: var(--space-lg);
}

/* ── Footer ── */
.site-footer {
  position: relative;
  background: var(--surface-900);
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--glass-border);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-azure-fire);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 35ch;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--azure-400);
  margin-bottom: var(--space-lg);
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--fire-400);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface-800);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: hsla(210, 100%, 50%, 0.15);
  border-color: var(--azure-500);
  color: var(--azure-400);
  box-shadow: var(--glow-azure-sm);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ── Main Content Push ── */
main {
  padding-top: 0; /* Hero is full viewport, handles its own offset */
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .site-header {
    padding: 0 var(--space-md);
  }

  .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1rem;
  }
}