:root {
  /* Dark Theme (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.78);
  --bg-input: #0f172a;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --accent-blue: #38bdf8;
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #38bdf8;
  --border-hover: rgba(56, 189, 248, 0.4);
  
  --glow-color: rgba(56, 189, 248, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);

  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Safe Area Insets (iPhone Notch / Dynamic Island / Android Navigation) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(248, 250, 252, 0.88);
  --bg-input: #ffffff;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #475569;

  --accent-blue: #0284c7;
  --accent-cyan: #0891b2;
  --accent-indigo: #4f46e5;
  --accent-emerald: #059669;
  --accent-amber: #d97706;

  --border-color: rgba(15, 23, 42, 0.12);
  --border-focus: #0284c7;
  --border-hover: rgba(2, 132, 199, 0.5);

  --glow-color: rgba(2, 132, 199, 0.1);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
}

/* Base Reset & Mobile Touch Optimizations */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

button, a, input, select, textarea {
  touch-action: manipulation;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 max(24px, var(--safe-right)) 0 max(24px, var(--safe-left));
}

/* Typography Utilities */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

a {
  color: inherit;
  text-decoration: none;
}

.mono-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-panel:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.05);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* HEADER & NAVBAR */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  padding-top: var(--safe-top);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #0284c7 0%, #4f46e5 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

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

.brand-tag {
  font-size: 0.75rem;
  color: var(--accent-blue);
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--accent-blue);
}

.nav-link.nav-btn-contact {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.nav-link.nav-btn-contact:hover {
  background: var(--accent-blue);
  color: #ffffff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  min-width: 44px;
  min-height: 44px;
}

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

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

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 10px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover,
.mobile-menu-btn:focus-visible {
  border-color: var(--accent-blue);
}

.mobile-menu-btn span {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Backdrop */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.nav-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile Scroll Hint */
.mobile-scroll-hint {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 12px;
  padding: 5px 12px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-full);
  width: fit-content;
  animation: pulseHint 2.4s infinite ease-in-out;
}

@keyframes pulseHint {
  0%, 100% { opacity: 0.8; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(4px); }
}

/* SECTION UTILITIES */
.section {
  padding: 96px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px;
}

.section-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* HERO SECTION */
.hero-section {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.hero-glow-1 {
  top: -100px;
  left: -100px;
  background: rgba(56, 189, 248, 0.12);
}

.hero-glow-2 {
  bottom: 0;
  right: -100px;
  background: rgba(99, 102, 241, 0.12);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
  font-size: clamp(2.1rem, 5vw + 0.5rem, 3.2rem);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  word-break: break-word;
}

.hero-subtitle {
  font-size: clamp(1.02rem, 2.4vw, 1.25rem);
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 20px;
  line-height: 1.4;
}

.divider-slash {
  color: var(--text-muted);
  margin: 0 6px;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-orgs {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.orgs-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
}

.orgs-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.org-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* HERO TELEMETRY / STATS MATRIX */
.hero-matrix-card {
  padding: 28px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.matrix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.matrix-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pulse-indicator {
  width: 10px;
  height: 10px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 18px;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast);
}

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

.stat-card-highlight {
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.04);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-blue);
  line-height: 1;
  margin-bottom: 6px;
  font-family: var(--font-main);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

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

/* TERMINAL WIDGET */
.terminal-widget {
  background: #060911;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.terminal-header {
  background: #0f1422;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.t-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.t-dot.red { background: #ef4444; }
.t-dot.yellow { background: #eab308; }
.t-dot.green { background: #22c55e; }

.t-title {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-left: 6px;
}

.terminal-body {
  padding: 14px;
  color: #cbd5e1;
  line-height: 1.6;
}

.terminal-body .prompt {
  color: var(--accent-emerald);
}

.terminal-body .cmd {
  color: #ffffff;
  font-weight: 600;
}

.terminal-body .output-line {
  color: var(--accent-blue);
  margin-top: 4px;
  font-size: 0.76rem;
}

/* ABOUT & RESPONSIBILITIES */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 36px;
}

.about-text-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card-heading {
  font-size: 1.4rem;
  margin-bottom: 4px;
  position: relative;
  display: inline-block;
}

.philosophy-box {
  margin-top: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.philosophy-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-blue);
  margin-bottom: 14px;
}

.philosophy-chips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.p-chip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.p-chip svg {
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 3px;
}

.p-chip strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.p-chip span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.responsibilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

.resp-card {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.resp-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.resp-icon {
  width: 42px;
  height: 42px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.resp-info h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.resp-info p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* TECHNICAL DOMAINS & TABS */
.domain-tabs-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hover) transparent;
  padding-bottom: 12px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.domain-tabs-nav::-webkit-scrollbar {
  height: 5px;
}

.domain-tabs-nav::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
}

.domain-tabs-nav::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 4px;
}

.domain-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  min-height: 44px;
  scroll-snap-align: start;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.domain-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.domain-tab.active {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
}

.domain-pane {
  display: none;
}

.domain-pane.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.pane-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 32px;
}

.pane-summary {
  padding: 32px;
}

.pane-header-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-emerald);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.pane-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.pane-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.strategy-callout {
  padding: 16px;
  background: rgba(56, 189, 248, 0.05);
  border-left: 3px solid var(--accent-blue);
  border-radius: 4px;
}

.strategy-callout strong {
  font-size: 0.85rem;
  color: var(--accent-blue);
  display: block;
  margin-bottom: 4px;
}

.strategy-callout p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.skills-card-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.skill-feature-item {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.skill-feature-item:hover {
  border-color: var(--border-hover);
}

.s-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.skill-feature-item h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.skill-feature-item p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ZERO-TRUST PIPELINE EXPLORER */
.pipeline-container {
  padding: 36px;
}

.pipeline-steps-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hover) transparent;
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
}

.pipeline-steps-wrapper::-webkit-scrollbar {
  height: 5px;
}

.pipeline-steps-wrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
}

.pipeline-steps-wrapper::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 4px;
}

.pipe-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 18px;
  min-height: 44px;
  scroll-snap-align: start;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-width: 140px;
  text-align: center;
  transition: all var(--transition-fast);
}

.pipe-step:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.pipe-step.active {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.25) 0%, rgba(37, 99, 235, 0.25) 100%);
  border-color: var(--accent-blue);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

.pipe-step .step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-blue);
  margin-bottom: 4px;
}

.pipe-step .step-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pipe-step .step-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.pipe-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  flex-shrink: 0;
  user-select: none;
}

.layer-detail-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 28px;
  border-radius: var(--radius-md);
}

.detail-header {
  margin-bottom: 16px;
}

.detail-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.detail-title {
  font-size: 1.35rem;
}

.detail-body p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.detail-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.detail-pill {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 500;
}

/* FEATURED PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.project-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.project-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.project-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-outcomes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.outcome-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 3px;
}

.outcome-item strong {
  color: var(--text-primary);
}

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

.project-tech-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--accent-blue);
}

/* PROJECT CLIENT HEADER (for freelance/consulting cards) */
.project-client-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding: 14px 16px;
  background: #0d1117;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-client-logo-wrap {
  flex-shrink: 0;
  width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-client-logo {
  max-width: 100%;
  max-height: 48px;
  object-fit: contain;
  display: block;
}

.project-client-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.freelance-badge {
  background: rgba(245, 158, 11, 0.12) !important;
  color: #f59e0b !important;
  border-color: rgba(245, 158, 11, 0.25) !important;
  margin-bottom: 0 !important;
}

.project-client-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--accent-blue);
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.project-client-link:hover {
  opacity: 1;
  text-decoration: underline;
}


/* FREELANCE CASE STUDY BLOCK */
.freelance-case-study-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  margin-bottom: 16px;
}

/* Enterprise cards embedded in Freelancing section */
.enterprise-case-grid {
  margin-top: 16px;
}

.freelance-cs-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #f59e0b;
  padding: 5px 14px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-full);
}

.freelance-case-study {
  display: flex;
  gap: 0;
  padding: 0;
  overflow: hidden;
  border-left: 4px solid #f59e0b;
}

.fcs-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px 28px;
  background: #0d1117;
  min-width: 180px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.fcs-logo-wrap {
  width: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fcs-logo {
  max-width: 100%;
  max-height: 60px;
  object-fit: contain;
}

.fcs-client-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.fcs-client-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
}

.fcs-client-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.fcs-client-url {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--accent-blue);
  text-decoration: none;
  margin-top: 2px;
}

.fcs-client-url:hover {
  text-decoration: underline;
}

.fcs-right {
  flex: 1;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fcs-top-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fcs-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.fcs-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.fcs-outcomes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.fcs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 4px;
}

.fcs-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 9px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--accent-blue);
}

.services-training-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.service-box, .training-box {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-box-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-blue);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.training-icon {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
}

.service-box-header h3 {
  font-size: 1.3rem;
  margin-bottom: 2px;
}

.service-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.service-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.service-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

.service-list li strong {
  color: var(--text-primary);
}

.training-modules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 32px;
}

.module-chip {
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.module-chip::before {
  content: "✔";
  margin-right: 8px;
  color: var(--accent-emerald);
  font-size: 0.75rem;
}

/* CAREER PROGRESSION TIMELINE */
.timeline-container {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline-container::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-indigo), var(--text-muted));
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-blue);
}

.timeline-dot.current {
  border-color: var(--accent-emerald);
  background: var(--accent-emerald);
  box-shadow: 0 0 12px var(--accent-emerald);
}

.timeline-content {
  padding: 28px;
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.t-role {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.t-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.t-company {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.t-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CERTIFICATIONS */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 24px;
}

.cert-card {
  padding: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.cert-badge-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.cert-status {
  position: absolute;
  top: 28px;
  right: 28px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.cert-status.certified {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.cert-status.certified .status-dot {
  background: var(--accent-emerald);
}

.cert-status.in-prep {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.cert-status.in-prep .status-dot {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}

.cert-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.cert-issuer {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 14px;
}

.cert-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* CONTACT SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
}

.contact-info-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-card-title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.contact-card-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.contact-items-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.c-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.c-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.c-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.c-link {
  color: var(--accent-blue);
  text-decoration: none;
  transition: opacity 0.2s;
  word-break: break-all;
}

.c-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.contact-form-card {
  padding: 36px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 18px;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-status-msg {
  font-size: 0.9rem;
  text-align: center;
  margin-top: 8px;
  min-height: 24px;
}

.form-status-msg.success {
  color: var(--accent-emerald);
}

.form-status-msg.error {
  color: var(--accent-rose);
}

.spin-icon {
  animation: spin 0.9s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

button:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  pointer-events: none;
}

/* RESUME MODAL */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
  animation: fadeIn 0.25s ease;
}

.modal-dialog {
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.2rem;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.close-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-color);
}

.modal-body {
  padding: 32px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.cv-header h2 {
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.cv-subtitle {
  font-size: 0.95rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 12px;
}

.cv-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cv-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 20px 0;
}

.cv-section {
  margin-bottom: 20px;
}

.cv-section h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cv-section p, .cv-section li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cv-section ul {
  padding-left: 20px;
}

.cv-section li {
  margin-bottom: 6px;
}

/* FOOTER */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 56px 0 32px;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
}

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

.footer-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-copy {
  border-top: 1px solid var(--border-color);
  width: 100%;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-tagline {
  font-family: var(--font-mono);
  color: var(--accent-blue);
}

/* TOAST NOTIFICATION */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card-hover);
  border: 1px solid var(--border-hover);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  display: none;
  animation: slideUp 0.3s ease;
}

.toast-notification.show {
  display: block;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* PRINT STYLESHEET */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .site-header, .site-footer, .hero-section, .about-section, 
  .tech-domains-section, .security-flow-section, .projects-section,
  .services-section, .career-section, .cert-section, .contact-section,
  .modal-actions, .close-btn {
    display: none !important;
  }
  .modal-backdrop {
    position: static;
    display: block !important;
    background: transparent;
    padding: 0;
  }
  .modal-dialog {
    max-width: 100%;
    border: none;
    box-shadow: none;
  }
  .print-area {
    display: block !important;
    color: #000000;
  }
}

/* RESPONSIVE BREAKPOINTS & DEVICE OPTIMIZATIONS */

/* TABLETS & COMPACT LAPTOPS (<= 1024px) */
@media (max-width: 1024px) {
  /* Navigation Drawer for Tablets & Mobile */
  .mobile-menu-btn {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: calc(74px + var(--safe-top));
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 20px 24px calc(24px + var(--safe-bottom));
    gap: 10px;
    max-height: calc(100dvh - 74px - var(--safe-top));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    transform: translateY(-130%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-smooth), opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 999;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid transparent;
  }

  .nav-link:active {
    background: rgba(56, 189, 248, 0.12);
    border-color: rgba(56, 189, 248, 0.25);
  }

  .nav-link.nav-btn-contact {
    text-align: center;
    margin-top: 8px;
    padding: 12px 20px;
  }

  /* Show horizontal scroll hint on touch devices */
  .mobile-scroll-hint {
    display: inline-flex;
  }

  /* Layout Grids */
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-matrix-card {
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
  }

  .about-grid, .pane-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .services-training-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pipeline-container {
    padding: 28px 24px;
  }
}

/* SMARTPHONES & SMALL TABLETS (<= 768px) */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .hero-section {
    padding: 44px 0 60px;
  }

  /* Prevent iOS Safari auto-zoom on form inputs by forcing 16px font size */
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px !important;
  }

  .responsibilities-grid, 
  .skills-card-matrix, 
  .training-modules-grid, 
  .form-row, 
  .philosophy-chips {
    grid-template-columns: 1fr;
  }

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

  .footer-copy {
    justify-content: center;
    text-align: center;
    flex-direction: column;
    gap: 10px;
  }

  .freelance-case-study {
    flex-direction: column;
  }

  .fcs-left {
    flex-direction: row;
    min-width: unset;
    padding: 20px 24px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    justify-content: flex-start;
    gap: 20px;
  }

  .fcs-client-info {
    align-items: flex-start;
    text-align: left;
  }

  .fcs-right {
    padding: 20px 24px;
  }

  .modal-backdrop {
    padding: 16px;
  }

  .modal-body {
    padding: 20px 18px;
  }
}

/* NARROW SMARTPHONES & IPHONES (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: max(16px, var(--safe-left));
    padding-right: max(16px, var(--safe-right));
  }

  /* Header compact sizing */
  .nav-container {
    height: 64px;
  }

  .nav-links {
    top: calc(64px + var(--safe-top));
    max-height: calc(100dvh - 64px - var(--safe-top));
    padding: 16px 16px calc(20px + var(--safe-bottom));
  }

  .brand-logo {
    gap: 8px;
  }

  .logo-badge {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
    border-radius: 8px;
  }

  .brand-name {
    font-size: 0.88rem;
    line-height: 1.2;
  }

  .brand-tag {
    font-size: 0.68rem;
  }

  .header-actions {
    gap: 8px;
  }

  .theme-toggle {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
  }

  .mobile-menu-btn {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
    padding: 8px;
  }

  /* Hero Section */
  .hero-section {
    padding: 28px 0 44px;
  }

  .status-pill {
    width: 100%;
    justify-content: center;
    font-size: 0.76rem;
    padding: 6px 12px;
    text-align: center;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    min-height: 46px;
  }

  .hero-description {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }

  .hero-matrix-card {
    padding: 18px 14px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 14px 10px;
  }

  .stat-number {
    font-size: 1.7rem;
  }

  .stat-label {
    font-size: 0.78rem;
  }

  .stat-sub {
    font-size: 0.7rem;
  }

  .terminal-widget {
    font-size: 0.72rem;
  }

  .terminal-body {
    padding: 10px;
  }

  /* Cards & Sections */
  .about-text-card,
  .pane-summary,
  .contact-info-card,
  .contact-form-card,
  .project-card,
  .service-box,
  .training-box {
    padding: 20px 16px;
  }

  .p-chip {
    padding: 10px;
  }

  .resp-card {
    padding: 14px;
    gap: 10px;
  }

  .resp-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
  }

  /* Zero-Trust Explorer */
  .pipeline-container {
    padding: 18px 12px;
  }

  .layer-detail-box {
    padding: 18px 14px;
  }

  .detail-title {
    font-size: 1.15rem;
  }

  .detail-pill {
    padding: 4px 10px;
    font-size: 0.74rem;
  }

  /* Freelance & Project Cards */
  .project-client-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .project-client-logo-wrap {
    width: 100px;
  }

  .fcs-left {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
    gap: 12px;
    width: 100%;
  }

  .fcs-client-info {
    align-items: center;
    text-align: center;
  }

  .fcs-right {
    padding: 18px 16px;
  }

  .fcs-title {
    font-size: 1.05rem;
  }

  /* Career Progression Timeline */
  .timeline-container {
    padding-left: 20px;
  }

  .timeline-container::before {
    left: 4px;
  }

  .timeline-dot {
    left: -20px;
    top: 20px;
    width: 12px;
    height: 12px;
    border-width: 2px;
  }

  .timeline-content {
    padding: 16px 14px;
  }

  .timeline-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .t-period {
    font-size: 0.72rem;
  }

  .t-role {
    font-size: 0.95rem;
  }

  .t-company {
    font-size: 1.05rem;
    margin-bottom: 8px;
  }

  .t-desc {
    font-size: 0.84rem;
  }

  /* Certifications */
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .cert-card {
    padding: 20px 16px;
  }

  .cert-status {
    position: static;
    margin-bottom: 12px;
    align-self: flex-start;
  }

  /* Toast Notification */
  .toast-notification {
    left: 16px;
    right: 16px;
    bottom: calc(16px + var(--safe-bottom));
    transform: none;
    width: auto;
    text-align: center;
  }

  /* Modal */
  .modal-backdrop {
    padding: 10px;
  }

  .modal-header {
    padding: 14px 16px;
  }

  .modal-title {
    font-size: 1.05rem;
  }

  .cv-header h2 {
    font-size: 1.3rem;
  }
}

/* Touch active feedback for mobile/tablet */
@media (hover: none) {
  .btn:active,
  .icon-btn:active,
  .domain-tab:active,
  .pipe-step:active {
    transform: scale(0.97);
  }
}