/* ============================================================
   ABDELRAHMAN ESLAM — PORTFOLIO DESIGN SYSTEM (UI-UX PRO MAX)
   Typography: Space Grotesk (Headings), DM Sans (Body), JetBrains Mono (Code)
   Theme: AI-Native / Technical Precision (Light & Dark Modes)
   Fully Responsive (Mobile First to Ultra-Wide)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&family=Space+Grotesk:wght@300..700&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES & DESIGN TOKENS
   ============================================================ */
:root {
  /* Color Palette - Light Mode */
  --bg: #f8faff;
  --bg-subtle: #eef2f8;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-elevated: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.88);
  --bg-terminal: #0d1117;
  --text-terminal: #e6edf3;

  --border: #e2e8f0;
  --border-subtle: #edf2f7;
  --border-hover: #cbd5e1;
  --border-focus: #7c3aed;

  --text: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Accents */
  --accent: #7c3aed;          /* AI Purple */
  --accent-hover: #6d28d9;
  --accent-light: #f3e8ff;
  --accent-cyan: #0891b2;     /* Data Cyan */
  --accent-cyan-light: #e0f2fe;
  --accent-amber: #d97706;    /* Amber */
  --accent-green: #059669;    /* Emerald */
  --accent-rose: #e11d48;     /* Rose */
  --accent-blue: #2563eb;     /* Blue */

  --accent-glow: rgba(124, 58, 237, 0.12);
  --accent-glow-cyan: rgba(8, 145, 178, 0.12);
  --accent-glow-strong: rgba(124, 58, 237, 0.25);

  /* Typography */
  --font-heading: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 40px -6px rgba(15, 23, 42, 0.12), 0 8px 16px -3px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 0 25px rgba(124, 58, 237, 0.2);

  /* Dimensions */
  --nav-h: 70px;
  --max-w: 1160px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Color Palette - Dark Mode */
[data-theme="dark"] {
  --bg: #07090e;
  --bg-subtle: #0f141f;
  --bg-card: #121826;
  --bg-card-hover: #172033;
  --bg-elevated: #1a2337;
  --bg-glass: rgba(15, 20, 31, 0.88);
  --bg-terminal: #090d16;
  --text-terminal: #f1f5f9;

  --border: #1e293b;
  --border-subtle: #162032;
  --border-hover: #334155;
  --border-focus: #a78bfa;

  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-light: #64748b;

  --accent: #a78bfa;
  --accent-hover: #c4b5fd;
  --accent-light: rgba(167, 139, 250, 0.14);
  --accent-cyan: #22d3ee;
  --accent-cyan-light: rgba(34, 211, 238, 0.14);
  --accent-amber: #fbbf24;
  --accent-green: #34d399;
  --accent-rose: #fb7185;
  --accent-blue: #60a5fa;

  --accent-glow: rgba(167, 139, 250, 0.18);
  --accent-glow-cyan: rgba(34, 211, 238, 0.16);
  --accent-glow-strong: rgba(167, 139, 250, 0.35);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.55), 0 2px 8px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 36px -4px rgba(0, 0, 0, 0.7), 0 4px 14px -2px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 24px 48px -8px rgba(0, 0, 0, 0.85);
  --shadow-glow: 0 0 30px rgba(167, 139, 250, 0.25);
}

/* ============================================================
   2. RESET & BASE ELEMENTS
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: calc(var(--nav-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  background-image: 
    radial-gradient(circle at 15% 15%, var(--accent-glow) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, var(--accent-glow-cyan) 0%, transparent 40%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.025em;
  font-weight: 700;
}

p {
  color: var(--text-secondary);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  outline: none;
  touch-action: manipulation;
}

input, textarea, select {
  font-family: inherit;
  font-size: 16px; /* 16px prevents iOS Safari automatic page zoom */
  color: inherit;
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

.hidden {
  display: none !important;
}

/* Focus Visibility (WCAG AAA) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

/* ============================================================
   3. UTILITIES & LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  min-width: 0;
}

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  margin-bottom: var(--space-2xl);
  max-width: 720px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: currentColor;
}

.section-title {
  font-size: clamp(1.85rem, 4vw + 0.5rem, 2.75rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Shared Card System */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-blue {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.badge-green {
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.badge-amber {
  background: rgba(217, 119, 6, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(217, 119, 6, 0.2);
}

.badge-red {
  background: rgba(225, 29, 72, 0.1);
  color: var(--accent-rose);
  border: 1px solid rgba(225, 29, 72, 0.2);
}

.badge-gray {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-xs);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
   4. BUTTONS & INTERACTIVE CONTROLS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  min-height: 44px; /* Touch target minimum */
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
  color: #ffffff;
}

.btn-primary:hover svg {
  transform: translateX(2px);
}

.btn-outline {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--bg-subtle);
  border-color: var(--border-hover);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 6px 14px;
  min-height: 38px;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* ============================================================
   5. NAVIGATION & HEADER
   ============================================================ */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-cyan));
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 1100;
  pointer-events: none;
  transition: transform 50ms linear;
}

#nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

#nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: var(--max-w);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.nav-logo-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.nav-logo span.dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-subtle);
  padding: 4px 6px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.nav-links a {
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a.active {
  color: var(--text);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmd-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  height: 38px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cmd-trigger:hover {
  border-color: var(--accent);
  color: var(--text);
}

.cmd-trigger kbd {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  background: var(--bg-card);
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

#theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

#theme-btn:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(15deg);
}

#theme-btn svg {
  width: 18px;
  height: 18px;
}

#hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  cursor: pointer;
  gap: 5px;
  padding: 0;
}

#hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

#hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#hamburger.open span:nth-child(2) {
  opacity: 0;
}
#hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
#mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  width: 100%;
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
}

#mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  box-shadow: var(--shadow-xl);
}

#mobile-menu a {
  padding: 12px 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

#mobile-menu a:hover {
  background: var(--bg-subtle);
  color: var(--accent);
}

/* ============================================================
   6. HERO SECTION
   ============================================================ */
#hero {
  padding-top: calc(var(--nav-h) + var(--space-2xl));
  padding-bottom: var(--space-3xl);
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  width: fit-content;
  max-width: 100%;
}

.hero-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.hero-dot::after {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: 14px;
  height: 14px;
  background: var(--accent-green);
  border-radius: var(--radius-full);
  opacity: 0.4;
  animation: beaconPulse 2s infinite ease-out;
}

@keyframes beaconPulse {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.3;
}

.hero-name {
  font-size: clamp(2.25rem, 5vw + 0.5rem, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.12;
  color: var(--text);
  word-break: break-word;
}

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

.hero-bio {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 560px;
}

.hero-bio strong {
  color: var(--text);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: var(--space-xs);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  margin-top: var(--space-xs);
}

.hero-stats > div {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.hero-stats > div:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.stat-val {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ============================================================
   7. INTERACTIVE DEVELOPER TERMINAL
   ============================================================ */
.hero-terminal-card {
  background: var(--bg-terminal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(124, 58, 237, 0.15);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: var(--radius-full);
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.term-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  min-height: 28px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #8b949e;
  border-radius: var(--radius-xs);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.term-tab:hover {
  color: #c9d1d9;
  background: rgba(255, 255, 255, 0.05);
}

.term-tab.active {
  color: #58a6ff;
  background: rgba(56, 139, 253, 0.12);
}

.terminal-status {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: #3fb950;
  display: flex;
  align-items: center;
  gap: 5px;
}

.terminal-body {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-terminal);
  line-height: 1.6;
  min-height: 240px;
  max-height: 340px;
  overflow-y: auto;
  overflow-x: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  word-break: break-word;
}

.term-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  word-break: break-word;
}

.term-prompt {
  color: #38bdf8;
  user-select: none;
  font-weight: 700;
  flex-shrink: 0;
}

.term-cmd {
  color: #f1f5f9;
  font-weight: 600;
}

.term-out {
  color: #94a3b8;
  padding-left: 14px;
}

.term-out.highlight {
  color: #a78bfa;
}

.term-out.success {
  color: #34d399;
}

.term-caret {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: #38bdf8;
  animation: blinkCursor 1s step-start infinite;
  vertical-align: middle;
  margin-left: 2px;
}

@keyframes blinkCursor {
  50% { opacity: 0; }
}

.terminal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.term-chip {
  padding: 4px 10px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.term-chip:hover {
  background: rgba(124, 58, 237, 0.3);
  color: #ffffff;
}

/* ============================================================
   8. TECH TICKER MARQUEE
   ============================================================ */
.ticker {
  padding: 12px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  user-select: none;
  width: 100%;
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.ticker-track:hover {
  animation-play-state: paused;
}

.ticker-group {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-right: 20px;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.ticker-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.ticker-sep {
  color: var(--border-hover);
  font-weight: 700;
  font-size: 0.75rem;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   9. ABOUT SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.about-text strong {
  color: var(--text);
  font-weight: 600;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-xs);
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.about-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-card-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card-icon-wrap svg {
  width: 18px;
  height: 18px;
}

.about-card h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
}

.about-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   10. SKILLS SECTION
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  margin-bottom: var(--space-2xl);
}

.skill-group {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.skill-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.skill-group-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-group-title svg {
  width: 18px;
  height: 18px;
}

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

.skill-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.skills-learning {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.cell-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.cell-prompt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.skills-learning-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--text-muted);
}

/* ============================================================
   11. TIMELINES
   ============================================================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 19px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
  position: relative;
}

.timeline-left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-dot {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 2px solid var(--accent);
  box-shadow: 0 0 12px var(--accent-glow-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  z-index: 2;
}

.timeline-dot svg {
  width: 18px;
  height: 18px;
}

.timeline-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 6px;
}

.timeline-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.timeline-sub {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: 2px;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 16px;
}

.timeline-list li {
  list-style-type: disc;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ============================================================
   12. PROJECTS SECTION
   ============================================================ */
.projects-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: var(--space-xl);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  min-height: 42px;
  min-width: 260px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.search-box svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  border: none;
  background: transparent;
  width: 100%;
  outline: none;
  color: var(--text);
  font-size: 0.9375rem;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 100%;
}

.filter-pill {
  padding: 6px 14px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.filter-pill.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
  font-weight: 600;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card-accent {
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-cyan));
}

.project-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 12px;
}

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.project-icon-box {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
}

.project-icon-box svg {
  width: 18px;
  height: 18px;
}

.project-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.project-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.project-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-highlight {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-green);
  background: rgba(5, 150, 105, 0.08);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

.project-highlight::before {
  content: "✓";
  font-weight: 700;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 12px;
  min-height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--accent);
}

.project-link svg {
  width: 14px;
  height: 14px;
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ============================================================
   13. RESEARCH INTERESTS SECTION
   ============================================================ */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  margin-bottom: var(--space-2xl);
}

.research-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.research-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.research-icon-box {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.research-icon-box svg {
  width: 18px;
  height: 18px;
}

.research-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
}

.research-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.research-cta {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(8, 145, 178, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.research-cta h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
}

.research-cta p {
  max-width: 580px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ============================================================
   14. BLOG SECTION
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
}

.blog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

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

.blog-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.blog-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.blog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4px;
}

.reading-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  transition: transform var(--transition-fast);
}

.read-more:hover {
  transform: translateX(3px);
}

.read-more svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   15. CONTACT SECTION
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
}

.contact-info p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: var(--space-xs);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.contact-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

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

.contact-item-icon svg {
  width: 18px;
  height: 18px;
}

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

.contact-item-val {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.contact-item-val a:hover {
  color: var(--accent);
}

.copy-btn {
  margin-left: auto;
  padding: 8px;
  min-width: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--bg-subtle);
  color: var(--accent);
}

.copy-btn svg {
  width: 16px;
  height: 16px;
}

/* Contact Form */
.contact-form-card {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

#contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

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

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  padding: 10px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 16px; /* 16px avoids iOS input zoom */
  transition: all var(--transition-fast);
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  background: var(--bg-card);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  outline: none;
}

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

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  min-height: 46px;
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
}

.form-submit svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   16. FOOTER
   ============================================================ */
footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
}

.footer-logo span {
  color: var(--accent);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 4px;
}

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

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

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 10px;
}

.back-top {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  min-height: 36px;
}

/* ============================================================
   17. BACK TO TOP FAB & TOAST
   ============================================================ */
.back-top-fab {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.back-top-fab.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top-fab:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-bounce);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 90vw;
  text-align: center;
}

#toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================================
   18. COMMAND PALETTE MODAL (CTRL+K)
   ============================================================ */
.cmd-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1500;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 16px 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.cmd-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cmd-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-xl), 0 0 40px rgba(124, 58, 237, 0.2);
  overflow: hidden;
  transform: scale(0.95) translateY(-10px);
  transition: transform var(--transition-bounce);
}

.cmd-modal-overlay.open .cmd-modal {
  transform: scale(1) translateY(0);
}

.cmd-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.cmd-search-bar svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.cmd-search-bar input {
  border: none;
  background: transparent;
  width: 100%;
  font-size: 16px; /* Prevents auto zoom */
  color: var(--text);
  outline: none;
}

.cmd-list {
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
}

.cmd-group-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 6px 10px 4px;
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  min-height: 42px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cmd-item:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.cmd-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cmd-item-left svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.cmd-item kbd {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.cmd-footer {
  padding: 10px 14px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

/* ============================================================
   19. BLOG STANDALONE & ARCHIVE STYLES
   ============================================================ */
.blogs-page,
.projects-page {
  padding-top: calc(var(--nav-h) + var(--space-2xl));
  padding-bottom: var(--space-4xl);
}

.blogs-page-head {
  margin-bottom: var(--space-2xl);
}

.blogs-page-head h1 {
  font-size: clamp(2rem, 4vw + 0.5rem, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.blogs-page-head p {
  font-size: 1.0625rem;
  color: var(--text-muted);
}

.section-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-2xl);
}

.btn-see-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  min-height: 44px;
}

.btn-see-all:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-see-all svg {
  transition: transform var(--transition-fast);
}

.btn-see-all:hover svg {
  transform: translateX(4px);
}

.blog-page {
  padding-top: calc(var(--nav-h) + var(--space-2xl));
  padding-bottom: var(--space-4xl);
}

.blog-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-lg);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--accent-light);
  border: 1px solid rgba(124, 58, 237, 0.15);
  min-height: 38px;
}

.blog-article-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.blog-article-head h1 {
  font-size: clamp(1.85rem, 3.5vw + 0.5rem, 2.5rem);
  line-height: 1.25;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.blog-article-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.blog-article-body h2 {
  font-size: 1.5rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.blog-article-body h3 {
  font-size: 1.25rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.blog-article-body pre {
  background: var(--bg-terminal);
  color: var(--text-terminal);
  padding: 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  overflow-x: auto;
  border: 1px solid var(--border);
}

.blog-article-body :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-subtle);
  color: var(--accent);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
}

.blog-article-body ul,
.blog-article-body ol {
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.blog-article-body li {
  line-height: 1.7;
}

.blog-article-body strong {
  color: var(--text);
}

.blog-callout {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  padding: 14px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.95rem;
  color: var(--text);
}

/* ============================================================
   LANGUAGE SWITCHER & ARABIC (EGYPTIAN) TYPOGRAPHY
   ============================================================ */
.lang-switch-wrap {
  display: inline-flex;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 28px;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.blog-lang-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: 12px;
}

.blog-lang-bar .blog-back-link {
  margin-bottom: 0;
}

/* RTL Mode for Arabic (Egyptian Dialect) */
[data-lang="ar"] .blog-article {
  direction: rtl;
  text-align: right;
  font-family: 'Tajawal', 'Almarai', 'Cairo', var(--font-sans);
}

[data-lang="ar"] .blog-article-head h1 {
  font-family: 'Cairo', 'Almarai', sans-serif;
  line-height: 1.45;
  font-weight: 800;
  letter-spacing: normal;
}

[data-lang="ar"] .blog-article-head p {
  font-family: 'Tajawal', 'Almarai', sans-serif;
  line-height: 1.75;
  font-size: 1.125rem;
  letter-spacing: normal;
}

[data-lang="ar"] .blog-article-body {
  font-family: 'Tajawal', 'Almarai', sans-serif;
  line-height: 1.95;
  font-size: 1.125rem;
  letter-spacing: normal;
}

[data-lang="ar"] .blog-article-body h2 {
  font-family: 'Cairo', 'Almarai', sans-serif;
  font-weight: 700;
  letter-spacing: normal;
}

[data-lang="ar"] .blog-article-body h3 {
  font-family: 'Cairo', 'Almarai', sans-serif;
  font-weight: 700;
  letter-spacing: normal;
}

[data-lang="ar"] .blog-article-body ul,
[data-lang="ar"] .blog-article-body ol {
  padding-left: 0;
  padding-right: 26px;
}

[data-lang="ar"] .blog-article-body pre {
  direction: rtl;
  text-align: right;
  font-family: 'JetBrains Mono', 'Tajawal', 'Almarai', monospace;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

[data-lang="ar"] .blog-article-body pre code {
  direction: rtl;
  text-align: right;
  display: block;
  font-family: inherit;
}

[data-lang="ar"] .blog-article-body :not(pre) > code {
  direction: ltr;
  display: inline-block;
  unicode-bidi: embed;
}

[data-lang="ar"] .blog-callout {
  border-left: none;
  border-right: 4px solid var(--accent);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  font-family: 'Tajawal', 'Almarai', sans-serif;
  line-height: 1.8;
}

[data-lang="ar"] .blog-article-meta {
  direction: rtl;
  font-family: 'Tajawal', var(--font-mono);
}

[data-lang="ar"] .blog-tags {
  direction: rtl;
}

[data-lang="ar"] .blog-tags .tag {
  font-family: 'Tajawal', 'Almarai', sans-serif;
}

/* ============================================================
   20. DEEP RESPONSIVE BREAKPOINTS (MOBILE AUDIT)
   ============================================================ */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* Small Tablet & Mobile Landscape (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --space-4xl: 56px;
    --space-3xl: 40px;
    --space-2xl: 32px;
    --nav-h: 64px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .nav-links {
    display: none;
  }

  .cmd-trigger {
    display: none;
  }

  #hamburger {
    display: flex;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .hero-stats > div {
    padding: 10px 8px;
    text-align: center;
  }

  .stat-val {
    font-size: 1.375rem;
  }

  .stat-label {
    font-size: 0.6875rem;
  }

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

  .projects-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
    min-width: 0;
  }

  /* Horizontal scrolling filter pills on mobile */
  .filter-pills {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .filter-pills::-webkit-scrollbar {
    display: none;
  }

  .projects-grid, .skills-grid, .research-grid, .blog-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* Compact Mobile (max-width: 480px) */
@media (max-width: 480px) {
  .hero-name {
    font-size: 2.125rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

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

  .hero-eyebrow {
    width: 100%;
    font-size: 0.75rem;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .hero-stats > div {
    padding: 8px 6px;
  }

  .stat-val {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.625rem;
  }

  .terminal-header {
    padding: 8px 10px;
  }

  .terminal-tabs {
    display: none;
  }

  .terminal-body {
    padding: 12px;
    font-size: 0.75rem;
    min-height: 200px;
  }

  .terminal-chips {
    padding: 8px 10px;
  }

  /* Timeline compact spacing on small phones */
  .timeline::before {
    left: 15px;
  }

  .timeline-item {
    grid-template-columns: 32px 1fr;
    gap: 10px;
  }

  .timeline-dot {
    width: 32px;
    height: 32px;
  }

  .timeline-dot svg {
    width: 15px;
    height: 15px;
  }

  .timeline-card {
    padding: 14px;
  }

  .contact-form-card {
    padding: 16px;
  }

  .cmd-modal-overlay {
    padding: 60px 10px 10px;
  }

  .cmd-footer {
    display: none;
  }
}

/* ============================================================
   21. ACCESSIBILITY & PREFERS-REDUCED-MOTION
   ============================================================ */
@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;
  }

  .ticker-track {
    animation: none;
  }

  .hero-dot::after {
    animation: none;
  }
}