/* ==========================================================================
   YOUSFUL STUDIO — FLOATING PILL NAVIGATION BAR & MOBILE DRAWER
   Directly matching Reference Image:
   - Left: Minimalist Asterisk Logo
   - Center: Floating Dark Glass Pill Capsule with Subtly Glowing Links
   - Right: Text Action + High-Contrast Pure White Rounded Pill CTA
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 2rem;
  background: transparent;
  transition: padding var(--transition-fast), background var(--transition-fast), backdrop-filter var(--transition-fast);
}

.site-header.scrolled {
  padding: 12px 2rem;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

/* Brand Logo (Left) */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  z-index: 1002;
}

.brand-logo-img {
  width: 30px;
  height: 34px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 10px rgba(45, 212, 191, 0.35));
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: translateY(-2px) scale(1.08);
  filter: drop-shadow(0 4px 16px rgba(45, 212, 191, 0.6));
}

.brand-name {
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.015em;
  font-size: 1.125rem;
}

.brand-symbol {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(121, 82, 245, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
}

/* Center: Floating Dark Glass Pill Capsule */
.nav-center-wrapper, nav[aria-label="Main Navigation"] {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}

.nav-capsule, .nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(22, 24, 32, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 5px 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  list-style: none;
}

.nav-capsule-link, .nav-link {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.nav-capsule-link:hover, .nav-link:hover {
  color: #ffffff;
}

.nav-capsule-link.active, .nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.09);
}

/* Right Navigation Action Area */
.nav-right-wrap, .nav-cta-wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  z-index: 1002;
}

.nav-text-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-text-link:hover {
  color: #ffffff;
}

/* Reference-Style High-Contrast White Pill CTA */
.btn-nav-pill, .desktop-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  background: #ffffff;
  color: #000000 !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-nav-pill:hover, .desktop-cta:hover {
  background: #f1f3f7;
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

/* Mobile Toggle Hamburger */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  z-index: 1002;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.hamburger {
  width: 16px;
  height: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition-smooth), opacity var(--transition-fast);
}

.nav-toggle.open .hamburger span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle.open .hamburger span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open .hamburger span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Mobile Slide-Out Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 10, 15, 0.98);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-height) + 1.5rem) 1.5rem 2.5rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
  overflow-y: auto;
}

.mobile-drawer.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.drawer-section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  margin-top: 1.5rem;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.drawer-link:hover, .drawer-link:active {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-medium);
}

.drawer-link span.arrow {
  color: var(--text-muted);
  font-size: 1.15rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.drawer-link:hover span.arrow {
  color: #ffffff;
  transform: translateX(4px);
}

.drawer-cta {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drawer-social {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.drawer-social .social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.drawer-social .social-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  transform: translateY(-2px);
}

.drawer-social .social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Responsive Media Queries */
@media (max-width: 960px) {
  .nav-center-wrapper, nav[aria-label="Main Navigation"] {
    display: none;
  }
  .nav-text-link, .desktop-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}