/* ==========================================================================
   01. DESIGN SYSTEM, VARIABLES & INTEGRATION
   ========================================================================== */
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&display=swap");

:root {
  --bg-primary: #0a0a0a; /* Deepest matte ink black */
  --bg-secondary: #121212; /* Mid-tone surface black */
  --border-color: #262626; /* Subdued charcoal structural dividing line */

  --accent-primary: #ffffff; /* Pure crisp white for focused/active states */
  --accent-dim: #404040; /* Mid-tone gray for muted interactive shifts */
  --text-main: #f5f5f5; /* High-readability bone white */
  --text-muted: #737373; /* Dim tracking text gray */

  --error: #ef4444;
  --success: #22c55e;

  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  --font-sans: "JetBrains Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  letter-spacing: -0.02em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
  animation: surfaceReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.grid-fallback-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.navbar {
  background-color: rgba(18, 18, 18, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1.2rem 2rem;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--accent-primary);
  transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition-smooth);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.8rem;
  flex: 1 1 calc(33.333% - 1.5rem);
  min-width: 290px;
  transition: var(--transition-smooth);
  position: relative;
}

.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
}

/* Data Matrix Semantic Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background-color: var(--bg-secondary);
  font-size: 0.9rem;
}

th,
td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #121212;
  color: var(--text-main);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border-color);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  color: var(--accent-primary);
  background-color: #171717;
  transition: var(--transition-fast);
}

.skills-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.skills-list li {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1.1rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.skills-list li:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background-color: var(--bg-primary);
}

.media-wrapper {
  margin-top: 2rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #000;
  transition: var(--transition-smooth);
}

.media-wrapper:hover {
  border-color: var(--accent-dim);
}

video {
  width: 100%;
  display: block;
  mix-blend-mode: luminosity;
  transition: var(--transition-smooth);
}

video:hover {
  mix-blend-mode: normal;
}

.form-control {
  width: 100%;
  padding: 0.9rem;
  background: #121212;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 1px var(--accent-primary);
}

button[type="submit"] {
  width: 100%;
  padding: 1rem;
  background: var(--text-main) !important;
  color: var(--bg-primary) !important;
  border: 1px solid var(--text-main);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition-smooth);
}

button[type="submit"]:hover {
  background: transparent !important;
  color: var(--text-main) !important;
  border-color: var(--accent-dim);
}

@keyframes surfaceReveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-in {
  animation: surfaceReveal 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    padding: 3rem 0;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(-15px);
    pointer-events: none;
    transition: var(--transition-smooth);
  }

  .nav-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 3rem 0;
}

.hero-text-block {
  flex: 1 1 60%;
}

.hero-avatar-block {
  flex: 1 1 40%;
  display: flex;
  justify-content: center;
}

.profile-image-container {
  width: 25rem;
  height: 25rem;
  border-radius: 8px;
  /* border: 1px solid var(--border-color) */
  overflow: hidden;
  background: var(--bg-secondary);
  transition: var(--transition-smooth);
  position: relative;
}

.profile-image-container:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.profile-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.profile-image-container:hover img {
  filter: grayscale(0%);
  transform: scale(1.2);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #171717;
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.status-indicator-dot {
  width: 6px;
  height: 6px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--success);
}

.welcome-title {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.hero-bio {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.quick-directory {
  margin-top: 3.5rem;
}

.directory-header {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-title {
  margin: 0.5rem 0;
  font-size: 1.1rem;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.card-link {
  font-size: 0.85rem;
  display: inline-block;
}

@media (max-width: 968px) {
  .hero-container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 2rem;
    padding: 1.5rem 0;
  }
  .profile-image-container {
    width: 20rem;
    height: 20rem;
  }
  .welcome-title {
    font-size: 2.2rem;
  }
  .status-badge {
    justify-content: center;
  }
}
/* ==========================================================================
   11. STEALTH SYSTEM FOOTER INTERFACE
   ========================================================================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  margin-top: auto; /* Guarantees sticky behavior at page baseline */
  transition: var(--transition-smooth);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.8rem;
  letter-spacing: -0.01em;
}

.footer-meta {
  color: var(--text-muted);
}

.footer-meta-identity {
  color: var(--text-main);
  font-weight: 500;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-primary);
}

/* ==========================================================================
   12. FOOTER RESPONSIVE INTERFACES
   ========================================================================== */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
    gap: 1.2rem;
  }
}
/* ==========================================================================
   13. MOBILE NAV OVERLAY & SCROLL LOCK
   ========================================================================== */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.65); /* Stealth dim overlay mask */
  backdrop-filter: blur(4px); /* Soft structural focus shifts */
  -webkit-backdrop-filter: blur(4px);
  z-index: 999; /* Sits right below the elevated navbar layer */
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

/* Open System State */
.nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Lock viewport interaction loops completely */
body.no-scroll {
  overflow: hidden;
  height: 100vh;
}

/* ==========================================================================
   14. Z-INDEX CORRECTION OVERRIDES FOR RESPONSIVE LAYER MATRIX
   ========================================================================== */
@media (max-width: 768px) {
  .navbar {
    z-index: 1001; /* Forces the header structure above the fullscreen dim block */
  }

  .nav-menu {
    z-index: 1002; /* Ensures dropdown navigation layers sit at the top of the stack */
  }
}