/* ==========================================================================
   STUNNING CYBER FLOATING NAVBAR
   ========================================================================== */

/* Navbar Outer Shell */
.site-header {
  position: fixed;
  top: 14px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Floating Dock Container */
.site-header::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -14px;
  right: 0;
  bottom: -22px;
  left: 0;
  pointer-events: none;
  background: rgba(25, 25, 24, 0.48);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 75%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 75%, transparent 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.site-header.scrolled::before {
  opacity: 1;
}

.nav-dock {
  pointer-events: auto;
  position: relative;
  width: 100%;
  max-width: 1180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px 7px 16px;
  background: rgba(22, 22, 21, 0.78);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  box-shadow: 0 14px 40px -10px rgba(0, 0, 0, 0.65), 
              inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.scrolled .nav-dock {
  background: rgba(18, 18, 17, 0.92);
  border-color: rgba(237, 137, 85, 0.25);
  box-shadow: 0 18px 45px -8px rgba(0, 0, 0, 0.8),
              0 0 25px -5px rgba(237, 137, 85, 0.14),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Laser Scroll Progress Line */
.nav-progress-track {
  position: absolute;
  bottom: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  overflow: hidden;
  pointer-events: none;
}

.nav-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ed8955 0%, #ffbe98 50%, #ed8955 100%);
  box-shadow: 0 0 10px rgba(237, 137, 85, 0.9), 0 0 3px #fff;
  border-radius: 999px;
  transition: width 0.08s linear;
}

/* Left: Brand Identity & Status */
.nav-brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: opacity 0.2s ease;
}

.nav-brand:hover {
  opacity: 0.9;
}

.brand-mark-wrap {
  position: relative;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
}

.brand-glyph {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(237, 137, 85, 0.12);
  border: 1px solid rgba(237, 137, 85, 0.35);
  display: grid;
  place-items: center;
  color: var(--orange);
  font-family: 'DM Sans', sans-serif;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  box-shadow: 0 0 12px rgba(237, 137, 85, 0.2);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-brand:hover .brand-glyph {
  transform: rotate(8deg) scale(1.06);
  border-color: var(--orange);
  box-shadow: 0 0 18px rgba(237, 137, 85, 0.4);
}

.brand-name {
  display: flex;
  align-items: baseline;
}

.brand-dot {
  color: var(--orange);
  font-weight: 700;
}

/* Live Cyber Status Badge */
.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: #a7a69f;
  user-select: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-status:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(52, 211, 153, 0.3);
}

.status-dot-wrap {
  position: relative;
  width: 7px;
  height: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-beacon-ping {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #34d399;
  opacity: 0.6;
  animation: radar-ping 2.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.status-beacon-dot {
  position: relative;
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}

@keyframes radar-ping {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  70% {
    transform: scale(2.4);
    opacity: 0;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

/* Center: Desktop Navigation Links */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3px;
  list-style: none;
  margin: 0;
  padding: 4px 6px;
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.nav-links li {
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #b7b5ae;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.nav-link[aria-current="page"] {
  color: #fff;
  font-weight: 600;
  background: rgba(237, 137, 85, 0.16);
  border: 1px solid rgba(237, 137, 85, 0.38);
  box-shadow: 0 0 16px rgba(237, 137, 85, 0.22),
              inset 0 0 10px rgba(237, 137, 85, 0.08);
}

/* Right: Actions (CTA Button & Mobile Toggle) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(237, 137, 85, 0.14), rgba(237, 137, 85, 0.05));
  border: 1px solid rgba(237, 137, 85, 0.38);
  color: var(--orange);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 0 14px rgba(237, 137, 85, 0.12);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}

.nav-cta .cta-arrow {
  display: inline-block;
  font-size: 13px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-cta:hover {
  background: var(--orange);
  color: #191918;
  border-color: var(--orange);
  box-shadow: 0 0 24px rgba(237, 137, 85, 0.5);
  transform: translateY(-1.5px);
}

.nav-cta:hover .cta-arrow {
  transform: translate(2px, -2px);
}

/* Mobile Hamburger Toggle */
.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(237, 137, 85, 0.4);
}

.menu-toggle .bar {
  display: block;
  width: 16px;
  height: 1.5px;
  background: #d4d2cc;
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] {
  background: rgba(237, 137, 85, 0.15);
  border-color: rgba(237, 137, 85, 0.5);
}

.menu-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile HUD Menu Drawer */
.mobile-nav {
  pointer-events: auto;
  position: absolute;
  top: calc(100% + 10px);
  left: 16px;
  right: 16px;
  max-width: 480px;
  margin: 0 auto;
  background: rgba(20, 20, 19, 0.94);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border: 1px solid rgba(237, 137, 85, 0.25);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8),
              0 0 30px rgba(237, 137, 85, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform-origin: top center;
  animation: mobileNavEnter 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.mobile-nav[hidden] {
  display: none;
}

@keyframes mobileNavEnter {
  0% {
    opacity: 0;
    transform: translateY(-12px) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 12px;
}

.mobile-nav-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  color: var(--orange);
  letter-spacing: 0.1em;
}

.mobile-nav-status {
  font-size: 11px;
  color: #a4a29a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.mobile-nav-item a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s ease;
}

.mobile-nav-item a:hover {
  background: rgba(237, 137, 85, 0.08);
  border-color: rgba(237, 137, 85, 0.25);
  transform: translateX(4px);
}

.mobile-nav-item a[aria-current="page"] {
  background: rgba(237, 137, 85, 0.14);
  border-color: rgba(237, 137, 85, 0.4);
}


.mobile-nav-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-nav-title {
  font-size: 14.5px;
  font-weight: 600;
  color: #f1f0eb;
}

.mobile-nav-sub {
  font-size: 11.5px;
  color: var(--muted);
}

.mobile-nav-arrow {
  margin-left: auto;
  color: var(--orange);
  font-size: 14px;
  opacity: 0.7;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav-item a:hover .mobile-nav-arrow {
  transform: translate(2px, -2px);
  opacity: 1;
}

.mobile-nav-bottom {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-cta {
  width: 100%;
  justify-content: center;
  padding: 11px;
}

.mobile-nav-chips {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.mobile-chip {
  font-size: 11px;
  color: #8c8a82;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.mobile-chip b {
  color: var(--orange);
}

/* ==========================================================================
   SCROLL MARGINS & HERO PADDING COMPENSATION
   ========================================================================== */
#home, #about, #labs, #journey, #contact {
  scroll-margin-top: 0;
}

.hero {
  padding-top: 86px !important;
}

.hero-meta {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
  z-index: 5;
}

/* Responsive adjustments */
@media (max-width: 920px) {
  .nav-menu {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-status {
    display: none;
  }
}

@media (max-width: 600px) {
  .site-header {
    top: 8px;
    padding: 0 10px;
  }
  .nav-dock {
    padding: 6px 10px 6px 12px;
  }
  .nav-brand {
    font-size: 13.5px;
  }
  .brand-glyph {
    width: 28px;
    height: 28px;
    font-size: 16px;
  }
  .brand-mark-wrap {
    width: 28px;
    height: 28px;
  }
  .nav-cta {
    padding: 6px 12px;
    font-size: 11.5px;
  }
  .menu-toggle {
    width: 34px;
    height: 34px;
  }
  .hero {
    padding-top: 75px !important;
  }
}

@media (max-width: 420px) {
  .nav-cta {
    display: none;
  }
}

/* Same geometric TD artwork as the footer, sized for the navigation dock. */
.nav-brand .brand-mark-wrap { width: 58px; height: 32px; }
.nav-td-logo { display: block; width: 58px; height: 32px; transition: filter .25s ease; }
.nav-brand:hover .nav-td-logo { filter: drop-shadow(0 0 6px #ff742f55); }
@media (max-width: 600px) {
  .nav-brand .brand-mark-wrap, .nav-td-logo { width: 50px; height: 28px; }
}