/* ==========================================================================
   LINGESHWAR KULAL — CYBER SECURITY PORTFOLIO
   Design System: Premium Enterprise Light-Mode
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  /* Color Palette - Editorial Minimal Luxury / Warm Ivory */
  --bg-core: #faf9f6;            /* Warm Ivory / Off-white */
  --bg-primary: #ffffff;
  --bg-secondary: #f4f2ec;        /* Soft Stone / Off-white Sections */
  --bg-card: #ffffff;
  --bg-card-subtle: #f9f8f4;
  --bg-elevated: #ffffff;
  
  --border-subtle: #eae7de;       /* Warm hairline border */
  --border-card: #eae7de;
  --border-focus: #0284c7;
  
  --text-primary: #121826;       /* Deep Charcoal Near-Black */
  --text-secondary: #475569;     /* Slate Neutral */
  --text-muted: #64748b;         /* Muted Slate */
  --text-dark: #090d16;

  /* Accent Colors - Selective Electric Blue & Cyan */
  --blue-primary: #0284c7;       /* Cyan-Blue */
  --blue-hover: #0369a1;
  --blue-light: #f0f9ff;
  --blue-border: #bae6fd;
  --blue-glow: rgba(2, 132, 199, 0.12);

  --electric-blue: #0ea5e9;
  --royal-blue: #2563eb;

  /* Verified / Defense Green */
  --green-defense: #10b981;      /* Muted Emerald */
  --green-bg: #ecfdf5;
  --green-border: #a7f3d0;

  /* Alert / Attention Amber */
  --amber-alert: #d97706;
  --amber-bg: #fffbeb;
  --amber-border: #fde68a;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Layout & Spacing */
  --container-max: 1200px;
  --nav-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* Subtle Minimal Luxury Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(18, 24, 38, 0.04);
  --shadow-card: 0 2px 8px -2px rgba(18, 24, 38, 0.04), 0 12px 24px -6px rgba(18, 24, 38, 0.03);
  --shadow-card-hover: 0 16px 36px -8px rgba(18, 24, 38, 0.08), 0 4px 10px -2px rgba(18, 24, 38, 0.03);
  --shadow-elevation: 0 24px 48px -12px rgba(18, 24, 38, 0.1);

  --bg-header: rgba(250, 249, 246, 0.85);
  --bg-header-scrolled: rgba(250, 249, 246, 0.96);
}

/* Optional Dark Theme Support (Light Mode is Default) */
[data-theme="dark"] {
  --bg-core: #090d16;
  --bg-primary: #0f1523;
  --bg-secondary: #131c2e;
  --bg-card: #111927;
  --bg-card-subtle: #162032;
  --bg-elevated: #162032;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #f8fafc;

  --blue-primary: #38bdf8;
  --blue-hover: #0ea5e9;
  --blue-light: rgba(56, 189, 248, 0.12);
  --blue-border: rgba(56, 189, 248, 0.28);
  --blue-glow: rgba(56, 189, 248, 0.2);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 12px 30px -4px rgba(0, 0, 0, 0.7);
  --shadow-elevation: 0 20px 40px -10px rgba(0, 0, 0, 0.8);

  --bg-header: rgba(9, 13, 22, 0.85);
  --bg-header-scrolled: rgba(9, 13, 22, 0.96);
}

/* --- Global Reset & Box Sizing --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-core);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Content Landmark */
main {
  position: relative;
  z-index: 2;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--blue-primary);
  color: #ffffff;
  padding: 10px 18px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
  box-shadow: var(--shadow-elevation);
}
.skip-link:focus {
  top: 20px;
}

/* --- Container Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* --- Typography Helpers --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.font-mono {
  font-family: var(--font-mono);
}

.text-blue { color: var(--blue-primary); }
.text-green { color: var(--green-defense); }
.text-amber { color: var(--amber-alert); }

/* --- Section Formatting --- */
.section {
  padding: 96px 0;
  position: relative;
}

/* Alternating subtle light background */
.about-section,
.experience-section,
.education-section {
  background-color: var(--bg-secondary);
}

.section-header {
  margin-bottom: 48px;
  text-align: left;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--blue-primary);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2.1rem, 3.8vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.65;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
  box-shadow: 0 4px 16px rgba(18, 24, 38, 0.12);
  font-weight: 600;
}
.btn-primary:hover {
  background: var(--blue-primary);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.3);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  background: var(--blue-light);
  border-color: var(--blue-border);
  color: var(--blue-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-outline:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  background: var(--blue-light);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  color: var(--blue-primary);
  background: var(--blue-light);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  border-bottom: 1px solid transparent;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.scrolled {
  background: var(--bg-header-scrolled);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.nav-container {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-shield {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  color: var(--blue-primary);
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-monogram {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--blue-primary);
  letter-spacing: -0.03em;
}

.brand-monogram .accent-dot {
  color: var(--electric-blue);
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

/* Nav Menu Desktop */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--blue-primary);
  background: var(--blue-light);
}

.nav-link.active {
  color: var(--blue-primary);
  background: var(--blue-light);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--blue-primary);
  border-color: var(--blue-border);
  background: var(--blue-light);
  transform: translateY(-1px);
}

.sun-icon { display: none; }
.moon-icon { display: block; }

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }

/* Compact Editorial Resume Button */
.btn-resume {
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-resume:hover {
  background: var(--blue-primary);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.25);
}

/* Mobile Hamburger Button */
.mobile-menu-btn {
  display: none;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.hamburger-box {
  width: 20px;
  height: 14px;
  display: inline-block;
  position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  position: absolute;
  transition: transform var(--transition-normal);
}

.hamburger-inner {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger-inner::before {
  content: '';
  top: -6px;
}

.hamburger-inner::after {
  content: '';
  bottom: -6px;
}

/* Mobile Drawer Overlay */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}
.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border-subtle);
  z-index: 1100;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(15, 23, 42, 0.1);
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--blue-primary);
  font-weight: 700;
}

.drawer-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
}

.mobile-nav-list {
  list-style: none;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--blue-primary);
  background: var(--blue-light);
  font-weight: 600;
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   HERO SECTION — CINEMATIC MEDIA + EDITORIAL TEXT OVERLAY
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: calc(var(--nav-height) + 20px);
  padding-bottom: 72px;
  background-color: #070a12;
}

/* Full-bleed media wrapper */
.hero-cinematic-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  filter: brightness(0.92) contrast(1.05);
  transform: scale(1.02);
  animation: cinematicSlowPan 24s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes cinematicSlowPan {
  0% {
    transform: scale(1.02) translate(0, 0);
  }
  50% {
    transform: scale(1.05) translate(-1%, 0.5%);
  }
  100% {
    transform: scale(1.02) translate(0.5%, -0.5%);
  }
}

.hero-bg-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  display: none;
}

/* Subtle dark-to-translucent gradient scrim */
.hero-cinematic-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(7, 10, 18, 0.95) 0%,
    rgba(7, 10, 18, 0.88) 36%,
    rgba(7, 10, 18, 0.6) 58%,
    rgba(7, 10, 18, 0.22) 80%,
    rgba(7, 10, 18, 0.05) 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* Bottom vignette smoothly fades the dark cinematic hero into the editorial light background */
.hero-vignette-bottom {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(
    to bottom,
    rgba(250, 249, 246, 0) 0%,
    rgba(250, 249, 246, 0.15) 30%,
    rgba(250, 249, 246, 0.65) 70%,
    var(--bg-core) 100%
  );
  pointer-events: none;
  z-index: 3;
}

[data-theme="dark"] .hero-vignette-bottom {
  background: linear-gradient(
    to bottom,
    rgba(10, 15, 29, 0) 0%,
    rgba(10, 15, 29, 0.3) 30%,
    rgba(10, 15, 29, 0.8) 75%,
    var(--bg-core) 100%
  );
}

.hero-container {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(0, 680px) 1fr;
  align-items: center;
  gap: 48px;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
}

.hero-content {
  max-width: 640px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #38bdf8;
  backdrop-filter: blur(10px);
}

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

.location-badge {
  font-size: 0.8125rem;
  color: rgba(203, 213, 225, 0.85);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-identity {
  margin-bottom: 20px;
}

.hero-name {
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 12px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 600;
  color: #38bdf8;
  letter-spacing: 0.01em;
}

.hero-summary {
  font-size: 1.05rem;
  color: rgba(241, 245, 249, 0.9);
  line-height: 1.75;
  margin-bottom: 34px;
  max-width: 580px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}

.btn-hero-resume {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  color: #ffffff !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-hero-resume:hover {
  background: rgba(255, 255, 255, 0.18) !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
}

.hero-social-strip {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.social-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: rgba(148, 163, 184, 0.8);
  text-transform: uppercase;
  font-weight: 600;
}

.social-links-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-section .social-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(241, 245, 249, 0.85);
  padding: 6px 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-fast);
}

.hero-section .social-chip:hover {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.16);
  transform: translateY(-2px);
}

/* ==========================================================================
   CINEMATIC HERO HUD & OVERLAY INTEGRATION
   ========================================================================== */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  pointer-events: none;
}

.hero-cinematic-hud {
  pointer-events: auto;
  margin-top: auto;
}

.hud-capsule {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: rgba(10, 15, 29, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transition: all var(--transition-normal);
}

.hud-capsule:hover {
  background: rgba(10, 15, 29, 0.8);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

.hud-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981, 0 0 20px rgba(16, 185, 129, 0.5);
  animation: hudPulse 2.5s infinite;
  flex-shrink: 0;
}

@keyframes hudPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.65;
  }
}

.hud-text-group,
.hud-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hud-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.hud-spec {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
}

/* Header contrast over cinematic hero when at top */
.site-header:not(.scrolled) {
  background: transparent;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.site-header:not(.scrolled) .brand-name {
  color: #ffffff;
}

.site-header:not(.scrolled) .nav-link {
  color: rgba(255, 255, 255, 0.85);
}

.site-header:not(.scrolled) .nav-link:hover,
.site-header:not(.scrolled) .nav-link.active {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
}

.site-header:not(.scrolled) .logo-shield {
  background: rgba(14, 165, 233, 0.2);
  border-color: rgba(56, 189, 248, 0.35);
  color: #38bdf8;
}

.site-header:not(.scrolled) .theme-toggle-btn {
  background: rgba(15, 23, 42, 0.6);
  border-color: rgba(255, 255, 255, 0.2);
  color: #f1f5f9;
}

.site-header:not(.scrolled) .btn-resume {
  background: #ffffff;
  color: #0f172a;
}

.site-header:not(.scrolled) .btn-resume:hover {
  background: #38bdf8;
  color: #020617;
}

.site-header:not(.scrolled) .mobile-menu-btn {
  background: rgba(15, 23, 42, 0.6);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.site-header:not(.scrolled) .hamburger-inner,
.site-header:not(.scrolled) .hamburger-inner::before,
.site-header:not(.scrolled) .hamburger-inner::after {
  background-color: #ffffff;
}

/* Reduced Motion Respect */
@media (prefers-reduced-motion: reduce) {
  .hero-bg-video {
    display: none !important;
  }
  .hero-bg-fallback {
    display: block !important;
  }
  .hud-live-dot {
    animation: none;
  }
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 36px;
  align-items: start;
}

.about-bio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.bio-heading {
  font-size: 1.35rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.bio-text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.bio-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.competency-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.comp-chip {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  color: var(--blue-primary);
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--blue-primary);
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.item-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.item-val {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.security-mantra-card {
  display: flex;
  gap: 16px;
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.mantra-icon {
  color: var(--green-defense);
  flex-shrink: 0;
  margin-top: 2px;
}

.mantra-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--green-defense);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.mantra-text {
  font-size: 0.875rem;
  color: #065f46;
  line-height: 1.6;
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-filter-tabs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-tab {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  color: var(--blue-primary);
  border-color: var(--blue-border);
}

.filter-tab.active {
  background: var(--blue-primary);
  color: #ffffff;
  border-color: var(--blue-primary);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

.skills-domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-card);
}

.skill-category-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.card-domain-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.domain-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  color: var(--blue-primary);
  flex-shrink: 0;
}

.domain-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.domain-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.skill-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-pill {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  border-color: var(--blue-border);
  color: var(--blue-primary);
  background: var(--blue-light);
}

/* ==========================================================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================================================== */
.timeline-container {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.timeline-block {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  position: relative;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px;
}

.marker-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--border-subtle);
  z-index: 2;
}

.marker-dot.current-role {
  border-color: var(--blue-primary);
  background: var(--blue-primary);
  box-shadow: 0 0 0 4px var(--blue-light);
}

.marker-line {
  width: 2px;
  flex-grow: 1;
  background: var(--border-subtle);
  margin-top: 8px;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.timeline-card:hover {
  border-color: var(--blue-border);
  box-shadow: var(--shadow-card-hover);
}

.card-header-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.role-badge-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--green-defense);
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}

.job-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.company-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.company-name {
  font-weight: 600;
  color: var(--blue-primary);
}

.location-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.period-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--bg-card-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.responsibilities-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.resp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.resp-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.resp-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-primary);
  flex-shrink: 0;
  margin-top: 9px;
}

.role-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  color: var(--blue-primary);
  border: 1px solid var(--blue-border);
}

/* ==========================================================================
   PROJECTS SECTION (CASE STUDY CARDS)
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}

.project-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.project-case-card:hover {
  border-color: var(--blue-border);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card-top-indicator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-card-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.project-type-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue-primary);
}

.project-id-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.card-content {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex-grow: 1;
}

.project-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.project-objective p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.project-meta-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  gap: 8px;
}

.meta-title {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.meta-data {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

.case-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-bullets li {
  position: relative;
  padding-left: 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.case-bullets li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--blue-primary);
  font-size: 1.1rem;
  line-height: 1;
}

.project-key-result p {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.project-card-footer {
  padding: 16px 24px;
  background: var(--bg-card-subtle);
  border-top: 1px solid var(--border-subtle);
}

.card-tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-chip {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

/* Architecture / Methodology Inspector (Clean Light-Mode) */
.soc-inspector-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.soc-inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--bg-card-subtle);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 16px;
}

.soc-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.soc-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-primary);
}

.soc-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.soc-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.soc-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.soc-tab-btn:hover {
  color: var(--blue-primary);
  border-color: var(--blue-border);
}

.soc-tab-btn.active {
  background: var(--blue-light);
  color: var(--blue-primary);
  border-color: var(--blue-border);
  font-weight: 600;
}

.soc-inspector-body {
  padding: 24px;
  background: var(--bg-card);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-primary);
  max-height: 380px;
  overflow-y: auto;
}

/* ==========================================================================
   CERTIFICATIONS SECTION
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  gap: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.cert-card:hover {
  border-color: var(--blue-border);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.cert-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--blue-primary);
}

.cert-badge-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  flex-shrink: 0;
}

.cert-details {
  display: flex;
  flex-direction: column;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue-primary);
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 4px;
}

.cert-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.cert-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.cert-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.cert-pill {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   ACHIEVEMENTS SECTION
   ========================================================================== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 22px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.achievement-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.achieve-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  flex-shrink: 0;
}

.achieve-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.achieve-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.achieve-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   EDUCATION SECTION
   ========================================================================== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.edu-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-2px);
}

.edu-accent-bar {
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 3px;
  background: var(--blue-primary);
}

.edu-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.edu-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  flex-shrink: 0;
}

.degree-type {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
}

.degree-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.edu-institution {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.inst-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--blue-primary);
}

.inst-location {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.edu-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   SECURITY WRITEUPS SECTION
   ========================================================================== */
.writeups-container {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}

.writeup-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.writeup-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-primary);
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.source-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.writeup-title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.writeup-excerpt {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.writeup-excerpt code {
  font-family: var(--font-mono);
  color: var(--blue-primary);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: 4px;
}

.writeup-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  padding: 20px;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 28px;
}

.breakdown-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.breakdown-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.breakdown-val {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.breakdown-code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--blue-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
  align-self: flex-start;
}

.writeup-action-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   RESUME CTA SECTION
   ========================================================================== */
.resume-cta-section {
  padding: 80px 0;
}

.resume-cta-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-elevation);
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0 auto;
}

.cta-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--blue-primary);
  font-weight: 700;
  display: block;
  margin-bottom: 12px;
}

.cta-heading {
  font-size: clamp(2rem, 3.8vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cta-footnote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.dot-secure {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-defense);
  display: inline-block;
}

.cta-footnote code {
  color: var(--blue-primary);
  font-family: var(--font-mono);
  background: var(--blue-light);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.panel-heading {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.panel-sub {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-method-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.contact-method-card:hover {
  border-color: var(--blue-border);
  background: var(--blue-light);
  transform: translateY(-1px);
}

.method-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  flex-shrink: 0;
}

.method-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
  min-width: 0;
}

.method-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.method-val {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.copy-btn {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  color: var(--blue-primary);
  border-color: var(--blue-border);
  background: var(--blue-light);
}

.card-arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.contact-method-card:hover .card-arrow {
  transform: translateX(3px);
  color: var(--blue-primary);
}

.location-badge-safe {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}
.location-badge-safe strong {
  color: var(--text-primary);
}

/* Contact Form */
.contact-form-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.form-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 10px;
}

.form-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-security-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--green-defense);
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.secure-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.req {
  color: var(--blue-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.error-msg {
  font-size: 0.75rem;
  color: #dc2626;
  font-family: var(--font-mono);
  display: none;
}
.error-msg.visible {
  display: block;
}

.form-feedback {
  margin-top: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  color: var(--green-defense);
}

.form-feedback.error {
  display: block;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 36px 0;
  position: relative;
  z-index: 2;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.footer-brand .brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-role {
  font-size: 0.875rem;
  color: var(--blue-primary);
  font-family: var(--font-mono);
  margin-bottom: 4px;
  font-weight: 600;
}

.footer-loc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--blue-primary);
}

.footer-divider {
  height: 1px;
  background: var(--border-subtle);
  margin-bottom: 28px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-verified-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-verified-links a {
  color: var(--text-secondary);
}

.footer-verified-links a:hover {
  color: var(--blue-primary);
}

.sep {
  color: var(--border-subtle);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-elevation);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
}

.toast-notification.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-visual {
    max-width: 600px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container,
  .nav-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .nav-menu {
    display: none;
  }

  .nav-actions .btn {
    display: none; /* Desktop resume button hidden on mobile in favor of drawer and hero CTAs */
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    flex-shrink: 0;
  }

  .brand-logo {
    gap: 8px;
    min-width: 0;
  }

  .brand-name {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero-eyebrow {
    gap: 8px;
  }

  .section {
    padding: 64px 0;
  }

  .hero-section {
    min-height: 100svh;
    padding-top: calc(var(--nav-height) + 24px);
    padding-bottom: 50px;
  }

  .hero-container {
    padding-left: 20px;
    padding-right: 20px;
    gap: 28px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-summary {
    font-size: 0.9375rem;
    line-height: 1.6;
  }

  .hero-cinematic-scrim {
    background: linear-gradient(
      180deg,
      rgba(7, 10, 18, 0.92) 0%,
      rgba(7, 10, 18, 0.82) 45%,
      rgba(7, 10, 18, 0.94) 100%
    );
  }

  .hero-bg-video,
  .hero-bg-fallback {
    object-position: 70% center;
  }

  .hero-visual {
    justify-content: flex-start;
    margin-top: 16px;
  }

  .hero-name {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .dash-domains-grid {
    grid-template-columns: 1fr;
  }

  .telemetry-flow-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .telemetry-arrow {
    transform: rotate(90deg);
    padding: 4px 0;
  }

  .dash-footer-metrics {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .timeline-block {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-marker {
    display: none;
  }

  .card-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .soc-inspector-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .soc-tabs {
    width: 100%;
    flex-direction: column;
  }

  .soc-tab-btn {
    width: 100%;
    text-align: left;
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Accessibility: Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}