/* ===== Modern Portfolio – Technical Blue (No-move Hero + Contact Fixes) ===== */

/* ===== TOKENS ===== */
:root {
  /* Light mode colors */
  --white: #ffffff;
  --black: #1a1a1a;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Dark mode semantic colors (default) */
  --bg: var(--gray-900);
  --bg-elev: #0b1424;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --fg: var(--white);
  --muted: rgba(255, 255, 255, 0.78);
  --muted-2: rgba(255, 255, 255, 0.64);
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.18);
  --accent: #3b82f6;
  --accent-contrast: #ffffff;

  /* Typography */
  --font-primary: 'Inter', 'Inter var', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font display optimization */
  font-display: swap;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Scale */
  --fs-1: clamp(2rem, 5vw, 3rem);
  --fs-2: clamp(1.5rem, 3.5vw, 2rem);
  --fs-3: clamp(1.25rem, 2.5vw, 1.5rem);
  --fs-body: 1rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-1: 0 8px 20px rgba(0, 0, 0, 0.35);
  --shadow-2: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-blue: 0 10px 25px -5px rgba(59, 130, 246, 0.35);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;

  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  /* Improve text rendering */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Better browser compatibility */
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  background-image:
    radial-gradient(900px 600px at 20% 80%, rgba(59, 130, 246, 0.10), transparent 60%),
    radial-gradient(600px 400px at 80% 20%, rgba(139, 92, 246, 0.08), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom);
  
  /* Mobile optimizations */
  -webkit-overflow-scrolling: touch;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  
  /* Performance optimizations */
  will-change: auto;
  contain: layout style paint;
  
  /* Better browser compatibility */
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  
  /* Improved focus management */
  scroll-behavior: smooth;
}

/* Mobile device specific optimizations */
body.mobile-device {
  font-display: swap;
  
  /* Optimize background for mobile */
  background-image:
    radial-gradient(600px 400px at 20% 80%, rgba(59, 130, 246, 0.08), transparent 60%),
    radial-gradient(400px 300px at 80% 20%, rgba(139, 92, 246, 0.06), transparent 60%);
  
  /* Prevent forced reflows */
  will-change: auto;
  transform: translateZ(0);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.sr-only,
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Ensure visually hidden elements are not focusable */
.visually-hidden:not(:focus):not(:active) {
  clip-path: inset(50%);
}

/* Skip link */
.skip-link {
  position: fixed;
  top: -40px;
  left: var(--space-4);
  background: var(--accent);
  color: var(--accent-contrast);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 10000;
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Loading indicator */
.loading-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-indicator.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(59, 130, 246, 0.3);
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

.loading-text {
  color: var(--fg);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Focus States (WCAG 2.1 AA Compliant) */
*:focus {
  outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.social-link:focus-visible,
.project-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.3);
  border-radius: 3px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: var(--space-3);
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: calc(100% - var(--space-8));
  max-width: var(--container-max);
  padding: var(--space-3) var(--space-6);
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-1);
  transition: all var(--transition-normal);
  margin: 0 auto;
}

/* Force navbar centering for all cases */
.navbar {
  position: fixed !important;
  left: 50% !important;
  right: auto !important;
  transform: translateX(-50%) !important;
}

.navbar.scrolled {
  top: var(--space-2);
  background: rgba(15, 23, 42, 0.85);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-2);
}

.navbar-logo {
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: transform var(--transition-normal);
}

.navbar-logo::before {
  content: '</>';
  font-size: 0.95rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-logo:hover {
  transform: translateY(-1px);
}

.navbar-links {
  display: flex;
  gap: var(--space-1);
  list-style: none;
  align-items: center;
}

.navbar-links li a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: var(--font-weight-medium);
  font-size: 0.9rem;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.navbar-links li a:hover,
.navbar-links li a.active {
  color: var(--fg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(139, 92, 246, 0.18));
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.navbar-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-strong);
}

.navbar-toggle span {
  height: 2px;
  width: 24px;
  background: var(--fg);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.navbar-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #101a2f 50%, #122038 100%);
}

/* Floating Tech Icons Animation */
.floating-tech-icons {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.tech-icon {
  position: absolute;
  font-size: 2.4rem; /* Default desktop size - bigger than before */
  opacity: 0.12; /* Slightly more visible */
  animation: floatTech 20s infinite linear;
  color: var(--accent);
}

/* Vary animation duration for more natural movement */
.tech-icon:nth-child(1) { animation-duration: 22s; }
.tech-icon:nth-child(2) { animation-duration: 18s; }
.tech-icon:nth-child(3) { animation-duration: 24s; }
.tech-icon:nth-child(4) { animation-duration: 19s; }
.tech-icon:nth-child(5) { animation-duration: 21s; }
.tech-icon:nth-child(6) { animation-duration: 17s; }
.tech-icon:nth-child(7) { animation-duration: 23s; }
.tech-icon:nth-child(8) { animation-duration: 20s; }
.tech-icon:nth-child(9) { animation-duration: 25s; }
.tech-icon:nth-child(10) { animation-duration: 16s; }

.tech-icon:nth-child(1) { left: 10%; animation-delay: -3s; font-size: 2.4rem; }
.tech-icon:nth-child(2) { left: 20%; animation-delay: -12s; font-size: 2.4rem; }
.tech-icon:nth-child(3) { left: 30%; animation-delay: -7s; font-size: 2.4rem; }
.tech-icon:nth-child(4) { left: 40%; animation-delay: -15s; font-size: 2.4rem; }
.tech-icon:nth-child(5) { left: 50%; animation-delay: -1s; font-size: 2.4rem; }
.tech-icon:nth-child(6) { left: 60%; animation-delay: -9s; font-size: 2.4rem; }
.tech-icon:nth-child(7) { left: 70%; animation-delay: -18s; font-size: 2.4rem; }
.tech-icon:nth-child(8) { left: 80%; animation-delay: -5s; font-size: 2.4rem; }
.tech-icon:nth-child(9) { left: 90%; animation-delay: -11s; font-size: 2.4rem; }
.tech-icon:nth-child(10) { left: 15%; animation-delay: -14s; font-size: 2.4rem; }

/* Mobile positioning for better spread - 8 icons with random delays */
@media (max-width: 768px) {
  .tech-icon:nth-child(1) { left: 5% !important; animation-delay: -4s !important; }
  .tech-icon:nth-child(2) { left: 18% !important; animation-delay: -16s !important; }
  .tech-icon:nth-child(3) { left: 31% !important; animation-delay: -8s !important; }
  .tech-icon:nth-child(4) { left: 44% !important; animation-delay: -20s !important; }
  .tech-icon:nth-child(5) { left: 57% !important; animation-delay: -2s !important; }
  .tech-icon:nth-child(6) { left: 70% !important; animation-delay: -12s !important; }
  .tech-icon:nth-child(7) { left: 83% !important; animation-delay: -24s !important; }
  .tech-icon:nth-child(8) { left: 96% !important; animation-delay: -6s !important; }
}

@keyframes floatTech {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.1;
  }
  90% {
    opacity: 0.1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* No moving overlay at all */
.hero::before {
  content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(60% 40% at 20% 80%, rgba(59, 130, 246, 0.22), transparent 60%),
      radial-gradient(50% 35% at 80% 20%, rgba(139, 92, 246, 0.18), transparent 60%);
    mix-blend-mode: screen;
    animation: heroGlow 18s ease-in-out infinite;
    pointer-events: none;
}
@keyframes heroGlow {

  0%,
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 0.7;
  }

  50% {
    transform: translate3d(0, -14px, 0);
    opacity: 0.9;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  text-align: left;
  animation: fadeInUp 700ms ease both;
}

.hero-path {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-blue);
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: var(--space-3);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero-line {
  display: block;
  background: linear-gradient(135deg, #ffffff, #dbeafe, #bae6fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: var(--space-5);
  font-weight: 500;
}

.hero-description {
  font-size: 1rem;
  color: var(--muted-2);
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ===== HERO VISUAL (force static) ===== */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: none !important;
}

.portrait-container,
.portrait-container::before,
.portrait-container::after,
.portrait-wrap img {
  animation: none !important;
  transition: none !important;
  transform: none !important;
  will-change: auto !important;
  backface-visibility: hidden !important;
}

.portrait-container {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  padding: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow-2);
}

.portrait-container:hover {
  transform: none !important;
  box-shadow: var(--shadow-2);
}

.portrait-wrap {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  /* 1px border */
  display: flex;
  align-items: center;
  justify-content: center;
}

.portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal), color var(--transition-normal);
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  min-height: 44px;
  
  /* Mobile touch optimizations */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

/* Mobile touch feedback */
@media (max-width: 768px) {
  .btn:active {
    transform: scale(0.98) !important;
    transition: transform 0.1s ease !important;
  }
  
  .btn {
    min-height: 48px; /* Larger touch target */
    padding: var(--space-4) var(--space-10);
  }
  
  /* Ensure all interactive elements have proper touch targets */
  .tech-item {
    min-height: 88px; /* Minimum 44px touch target + padding */
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(59, 130, 246, 0.3);
  }
  
  .navbar-links li a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(59, 130, 246, 0.45);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--accent-contrast);
    box-shadow: var(--shadow-blue);
}

.btn-secondary:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(59, 130, 246, 0.45);
}

.btn-secondary:active {
  transform: translateY(-1px);
}

/* ===== SECTIONS ===== */
section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--fs-1);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  margin: var(--space-3) auto 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: var(--radius-full);
}

/* Descriptions bigger (match About/Projects) */
.section-subtitle,
.section-description {
  font-size: 1.4rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ===== CARDS ===== */
.about-card,
.project-card,
.tech-item,
.contact-form,
.contact-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-1);
  backdrop-filter: none;
}

.about-card:hover,
.project-card:hover,
.tech-item:hover,
.contact-form:hover,
.contact-info:hover {
  transform: translateY(-6px) scale(1.01);
  transition: transform var(--transition-slow), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-2);
}

/* ===== ABOUT ===== */
.about {
  background: linear-gradient(135deg, #102038 0%, #0f172a 100%);
}

.about-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.about-card {
  padding: var(--space-10);
}

.card-title {
  font-size: var(--fs-3);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-text,
.project-description {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.4rem;
}

/* Skill tag */
.skill-tag {
  display: inline-block;
  text-align: center;
  background: rgba(59, 130, 246, 0.12);
  color: rgba(255, 255, 255, 0.95);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.995rem;
  font-weight: var(--font-weight-medium);
  border: 1px solid rgba(59, 130, 246, 0.28);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.skill-tag:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* ===== CODE SHOWCASE ===== */
.code-showcase {
  background: linear-gradient(135deg, #0a0f1c 0%, #0f172a 100%);
  padding: var(--space-20) 0;
}

.code-display-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  border: 1px solid var(--border);
}

.code-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.code-tab {
  flex: 1;
  padding: var(--space-4) var(--space-6);
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.code-tab:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--fg);
}

.code-tab.active {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.15);
}

.code-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.code-display {
  background: #0d1117;
  position: relative;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-controls {
  display: flex;
  gap: var(--space-2);
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control.red { background: #ff5f57; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #28ca42; }

.code-filename {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-family: 'Courier New', monospace;
}

.code-content {
  padding: var(--space-6);
  margin: 0;
  background: transparent;
  color: #e6edf3;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
  min-height: 200px;
}

.code-content code {
  background: none;
  padding: 0;
  font-family: inherit;
}

.code-output {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
}

.output-header {
  padding: var(--space-3) var(--space-6);
  background: rgba(255, 255, 255, 0.02);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.output-content {
  padding: var(--space-4) var(--space-6);
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: #4ade80;
  min-height: 60px;
  line-height: 1.5;
}

/* Syntax highlighting colors */
.keyword { color: #ff7b72; }
.string { color: #a5d6ff; }
.comment { color: #8b949e; font-style: italic; }
.function { color: #d2a8ff; }
.number { color: #79c0ff; }
.operator { color: #ff7b72; }
.variable { color: #ffa657; }

/* Typing cursor animation */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: #4ade80;
  animation: blink 1s infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(360px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.project-card {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
}

.project-card .card-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

.project-description {
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.project-actions {
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--fg);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.14), rgba(139, 92, 246, 0.14));
  transition: all var(--transition-normal);
}

.project-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
  border-color: var(--border-strong);
}

/* ===== SKILLS / TECH ===== */
.skills-tech {
  background: linear-gradient(135deg, #0f172a 0%, #12243d 100%);
  text-align: center;
}

/* Cloud Infrastructure Animation */
.cloud-infrastructure {
  max-width: 1000px;
  margin: var(--space-16) auto var(--space-20);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
}

.cloud-infrastructure::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08), transparent 50%);
  pointer-events: none;
}

.cloud-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

.cloud-title i {
  font-size: 2rem;
  color: #ff9900;
}

.cloud-title h3 {
  font-size: var(--fs-2);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cloud-diagram {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: var(--space-16);
  min-height: 300px;
  z-index: 1;
}

.cloud-service {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  cursor: pointer;
  animation: cloudServicePulse 4s infinite;
}

.cloud-service[data-service="ec2"] { grid-column: 1; grid-row: 1; animation-delay: 0s; }
.cloud-service[data-service="rds"] { grid-column: 2; grid-row: 2; animation-delay: 0.5s; }
.cloud-service[data-service="s3"] { grid-column: 3; grid-row: 1; animation-delay: 1s; }
.cloud-service[data-service="lambda"] { grid-column: 1; grid-row: 2; animation-delay: 1.5s; }
.cloud-service[data-service="api"] { grid-column: 2; grid-row: 1; animation-delay: 2s; }
.cloud-service[data-service="cloudfront"] { grid-column: 3; grid-row: 2; animation-delay: 2.5s; }

@keyframes cloudServicePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
  }
}

.cloud-service:hover {
  transform: scale(1.1);
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent);
  box-shadow: var(--shadow-blue);
}

.cloud-service i {
  font-size: 2.5rem;
  color: var(--accent);
  transition: color var(--transition-normal);
}

.cloud-service[data-service="ec2"] i { color: #ff9900; }
.cloud-service[data-service="rds"] i { color: #527fff; }
.cloud-service[data-service="s3"] i { color: #569a31; }
.cloud-service[data-service="lambda"] i { color: #ff9900; }
.cloud-service[data-service="api"] i { color: #ff4b4b; }
.cloud-service[data-service="cloudfront"] i { color: #9d5025; }

.cloud-service span {
  font-weight: var(--font-weight-semibold);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
}

.connection-line {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  animation: dataFlow 3s infinite;
  z-index: -1;
}

.line-to-rds {
  top: 50%;
  left: 100%;
  width: 100px;
  transform: rotate(45deg);
  transform-origin: left center;
}

.line-to-s3 {
  top: 50%;
  left: 100%;
  width: 200px;
  transform: rotate(-15deg);
  transform-origin: left center;
}

.line-to-api {
  top: 50%;
  left: 100%;
  width: 120px;
  transform: rotate(-45deg);
  transform-origin: left center;
}

@keyframes dataFlow {
  0% {
    background: linear-gradient(90deg, transparent, transparent);
  }
  50% {
    background: linear-gradient(90deg, var(--accent), rgba(59, 130, 246, 0.5));
  }
  100% {
    background: linear-gradient(90deg, transparent, var(--accent));
  }
}

.data-flow {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: moveData 4s infinite linear;
  opacity: 0;
}

#data-flow-1 {
  top: 25%;
  left: 16%;
  animation-delay: 0s;
}

#data-flow-2 {
  top: 50%;
  left: 50%;
  animation-delay: 1.3s;
}

#data-flow-3 {
  top: 75%;
  left: 83%;
  animation-delay: 2.6s;
}

@keyframes moveData {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  10% {
    opacity: 1;
    transform: scale(1);
  }
  90% {
    opacity: 1;
    transform: scale(1.2);
  }
  100% {
    opacity: 0;
    transform: scale(0);
  }
}

/* Docker Deployment Animation */
.docker-deployment {
  max-width: 900px;
  margin: var(--space-16) auto var(--space-20);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  position: relative;
}

.deployment-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.deployment-title i {
  font-size: 2rem;
  color: #0db7ed;
}

.deployment-title h3 {
  font-size: var(--fs-2);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.deployment-pipeline {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-12);
  position: relative;
}

.deployment-pipeline::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
  transform: translateY(-50%);
  z-index: 0;
}

.pipeline-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  z-index: 1;
  animation: pipelineStage 9s infinite;
}

.pipeline-stage[data-stage="build"] { animation-delay: 0s; }
.pipeline-stage[data-stage="test"] { animation-delay: 3s; }
.pipeline-stage[data-stage="deploy"] { animation-delay: 6s; }

@keyframes pipelineStage {
  0%, 11% {
    transform: scale(1);
    opacity: 0.6;
  }
  11.1%, 33.3% {
    transform: scale(1.2);
    opacity: 1;
  }
  33.4%, 100% {
    transform: scale(1);
    opacity: 0.6;
  }
}

.stage-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.pipeline-stage[data-stage="build"] .stage-icon { border-color: #4ade80; }
.pipeline-stage[data-stage="test"] .stage-icon { border-color: #f59e0b; }
.pipeline-stage[data-stage="deploy"] .stage-icon { border-color: #3b82f6; }

.stage-icon i {
  font-size: 1.5rem;
  color: var(--accent);
}

.pipeline-stage[data-stage="build"] .stage-icon i { color: #4ade80; }
.pipeline-stage[data-stage="test"] .stage-icon i { color: #f59e0b; }
.pipeline-stage[data-stage="deploy"] .stage-icon i { color: #3b82f6; }

.pipeline-stage span {
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.stage-progress {
  width: 40px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.stage-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: progressBar 9s infinite;
}

.pipeline-stage[data-stage="build"] .stage-progress::after { 
  animation-delay: 0s; 
  background: linear-gradient(90deg, transparent, #4ade80, transparent);
}
.pipeline-stage[data-stage="test"] .stage-progress::after { 
  animation-delay: 3s; 
  background: linear-gradient(90deg, transparent, #f59e0b, transparent);
}
.pipeline-stage[data-stage="deploy"] .stage-progress::after { 
  animation-delay: 6s; 
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
}

@keyframes progressBar {
  0%, 11% {
    left: -100%;
  }
  11.1%, 33.3% {
    left: 100%;
  }
  33.4%, 100% {
    left: -100%;
  }
}

.container-cluster {
  display: flex;
  justify-content: space-around;
  gap: var(--space-6);
}

.container-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  animation: containerDeploy 12s infinite;
}

.container-node[data-node="1"] { animation-delay: 0s; }
.container-node[data-node="2"] { animation-delay: 2s; }
.container-node[data-node="3"] { animation-delay: 4s; }

@keyframes containerDeploy {
  0%, 8.3% {
    transform: scale(0.8);
    opacity: 0.3;
  }
  8.4%, 91.6% {
    transform: scale(1);
    opacity: 1;
  }
  91.7%, 100% {
    transform: scale(0.8);
    opacity: 0.3;
  }
}

.container-node i {
  font-size: 2rem;
  color: #0db7ed;
}

.container-node span {
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
}

.container-status {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  animation: statusBlink 2s infinite;
}

.container-status.running {
  background: #4ade80;
}

@keyframes statusBlink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0.3;
  }
}

/* ===== CATEGORIZED SKILLS SECTION ===== */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-16);
}

.skill-category {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.05), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.skill-category:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2);
  border-color: rgba(59, 130, 246, 0.3);
  will-change: transform, box-shadow, border-color;
}

.skill-category:hover::before {
  opacity: 1;
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.category-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.category-icon i {
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform var(--transition-fast);
}

.skill-category:hover .category-icon {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3));
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.25);
}

.skill-category:hover .category-icon i {
  transform: scale(1.1) rotate(5deg);
}

.category-title {
  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.category-skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
}

/* Center skills when there are only 2 items */
.centered-skills {
  justify-content: center;
  grid-template-columns: repeat(2, minmax(120px, 200px));
  max-width: 500px;
  margin: 0 auto;
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.tech-item {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
  min-height: 100px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tech-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.tech-item:hover::before {
  opacity: 1;
}

.tech-item i {
  font-size: 2rem;
  transition: transform var(--transition-fast);
  margin-bottom: var(--space-2);
}

/* ===== SKILL ICON COLORS (Authentic Brand Colors) ===== */

/* Frontend Technologies */
.fa-html5 { color: #e34f26; } /* HTML Orange */
.fa-css3-alt { color: #1572b6; } /* CSS Blue */
.fa-js { color: #f7df1e; } /* JavaScript Yellow */
.fa-react { color: #61dafb; } /* React Cyan */
.fa-bootstrap { color: #7952b3; } /* Bootstrap Purple */
.fa-sass { color: #cc6699; } /* Sass Pink */

/* Programming Languages */
.fa-python { color: #3776ab; } /* Python Blue */
.fa-copyright { color: #a8b9cc; } /* C Language Gray-Blue */
.fa-plus { color: #00599c; } /* C++ Blue */

/* Backend Technologies */
.fa-node-js { color: #339933; } /* Node.js Green */
.fa-route { color: #68217a; } /* Express.js Purple */
.fa-fire { color: #e74c3c; } /* Flask Red */
.fa-leaf { color: #092e20; } /* Django Dark Green */
.fa-bolt { color: #009688; } /* FastAPI Teal */

/* Cloud & Infrastructure */
.fa-aws { color: #ff9900; } /* AWS Orange */
.fa-google { color: #4285f4; } /* Google Blue */
.fa-microsoft { color: #00a1f1; } /* Microsoft Blue */
.fa-server { color: #ff9900; } /* EC2 Orange (AWS) */
.fa-hdd { color: #569a31; } /* S3 Green */
.fa-bolt { color: #ff9900; } /* Lambda Orange (AWS) */

/* DevOps & Tools */
.fa-docker { color: #0db7ed; } /* Docker Blue */
.fa-cubes { color: #326ce5; } /* Kubernetes Blue */
.fa-jenkins { color: #d33833; } /* Jenkins Red */
.fa-gears { color: #2088ff; } /* CI/CD Blue */
.fa-github-alt { color: #181717; } /* GitHub Black */
.fa-chart-line { color: #ff6b6b; } /* Monitoring Red */

/* Development Tools */
.fa-git-alt { color: #f05032; } /* Git Orange */
.fa-github { color: #181717; } /* GitHub Black */
.fa-terminal { color: #4ade80; } /* Terminal Green */
.fa-bug { color: #ff6b6b; } /* Debug Red */
.fa-flask { color: #0ea5e9; } /* Testing Blue */

/* Databases */
.fa-database { color: #336791; } /* Default Database Blue */
.fa-leaf { color: #47a248; } /* MongoDB Green */
.fa-fire { color: #dc382d; } /* Redis Red */
.fa-search { color: #005571; } /* Elasticsearch Dark Blue */

/* Category Icons */
.fa-paint-brush { color: #e34f26; } /* Frontend Orange */
.fa-server { color: #339933; } /* Backend Green */
.fa-code { color: #3776ab; } /* Programming Blue */
.fa-cloud { color: #ff9900; } /* Cloud Orange */
.fa-tools { color: #0db7ed; } /* DevOps Blue */
.fa-wrench { color: #f05032; } /* Tools Orange */

/* Specific overrides for better visibility */
.category-icon .fa-paint-brush { color: #e34f26; } /* Frontend Orange */
.category-icon .fa-server { color: #339933; } /* Backend Green */
.category-icon .fa-code { color: #3776ab; } /* Programming Blue */
.category-icon .fa-cloud { color: #ff9900; } /* Cloud Orange */
.category-icon .fa-tools { color: #0db7ed; } /* DevOps Blue */
.category-icon .fa-wrench { color: #f05032; } /* Tools Orange */
.category-icon .fa-database { color: #336791; } /* Database Blue */

/* Enhanced hover effects with color preservation */
.tech-item:hover i {
  filter: brightness(1.2) saturate(1.3);
  text-shadow: 0 0 10px currentColor;
}

/* Special cases for dark icons on dark background */
.fa-github, .fa-github-alt {
  color: #f0f6fc !important; /* Light gray for GitHub on dark bg */
}

/* Make JavaScript more visible */
.fa-js {
  color: #f7df1e;
  text-shadow: 0 0 5px rgba(247, 223, 30, 0.5);
}

/* Enhance terminal green */
.fa-terminal {
  color: #4ade80;
  text-shadow: 0 0 5px rgba(74, 222, 128, 0.3);
}

.tech-item:hover {
  transform: translateY(-4px) scale(1.05);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
  will-change: transform, border-color, box-shadow;
}

.tech-item:hover i {
  transform: scale(1.1) rotate(5deg);
}

.tech-item span {
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

/* ===== TERMINAL SECTION ===== */
.terminal-section {
  background: linear-gradient(135deg, #0a0f1c 0%, #0f172a 100%);
  padding: var(--space-20) 0;
}

.terminal-window {
  max-width: 900px;
  margin: 0 auto;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  font-family: 'Courier New', monospace;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-controls {
  display: flex;
  gap: var(--space-2);
}

.terminal-title {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-weight-medium);
}

.terminal-body {
  padding: var(--space-6);
  min-height: 300px;
  background: #0d1117;
  color: #e6edf3;
}

.terminal-line {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2);
}

.prompt {
  color: #4ade80;
  margin-right: var(--space-2);
  font-weight: var(--font-weight-semibold);
}

.command {
  color: #e6edf3;
  margin-right: var(--space-1);
}

.terminal-cursor {
  color: #4ade80;
  animation: terminalBlink 1s infinite;
  font-weight: bold;
}

@keyframes terminalBlink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.terminal-output {
  margin-top: var(--space-4);
  color: #4ade80;
  line-height: 1.6;
  white-space: pre-wrap;
}

.terminal-output .error {
  color: #ff6b6b;
}

.terminal-output .warning {
  color: #ffd93d;
}

.terminal-output .info {
  color: #74c0fc;
}

.terminal-output .success {
  color: #4ade80;
}

/* Responsive terminal */
@media (max-width: 768px) {
  .terminal-window {
    margin: 0 var(--space-4);
  }
  
  .terminal-body {
    padding: var(--space-4);
    font-size: 0.85rem;
  }
  
  .terminal-line {
    flex-wrap: wrap;
  }
  
  .prompt {
    margin-right: var(--space-1);
  }
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.contact-form,
.contact-info {
  padding: var(--space-10);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
  background: rgba(255, 255, 255, 0.06);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  width: 100%;
  padding: var(--space-5);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  min-height: 44px;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}

/* Form validation error messages */
.error-message {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: var(--space-1);
  min-height: 1.2rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.error-message.show {
  opacity: 1;
}

/* Form field error states */
.form-input.error,
.form-textarea.error {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.25);
}

.form-input.success,
.form-textarea.success {
  border-color: #4ade80;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.25);
}

/* Contact rows: clean, no overlap */
.contact-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  column-gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact-item:hover {
  background: rgba(59, 130, 246, 0.10);
  transform: translateX(6px);
}

.contact-item i {
  font-size: 1.4rem;
  color: var(--accent);
  width: 28px;
}

/* Ensure links/text inside contact rows wrap nicely */
.contact-item a,
.contact-item span,
.contact-item p {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 480px) {

  .contact-item a,
  .contact-item span,
  .contact-item p {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

/* Social links (icons) – no overlap */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
  align-items: stretch;
}

@media (min-width: 768px) {
  .contact-links {
    flex-direction: row;
    align-items: center;
  }
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-3) var(--space-4);
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  font-size: 16px;
  font-weight: var(--font-weight-medium);
}

.social-link:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(135deg, #0f172a 0%, #101a2f 100%);
  color: var(--fg);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  margin-bottom: var(--space-8);
}

.footer-info h3 {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, #ffffff, #dbeafe, #bae6fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  color: var(--muted-2);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width var(--transition-normal);
}

.footer-links a:hover {
  color: var(--fg);
  transform: translateX(5px);
}

.footer-links a:hover::before {
  width: 100%;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
  color: var(--gray-400);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-2);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 50px rgba(59, 130, 246, 0.45);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }

  .hero-visual {
    order: -1;
  }

  .portrait-container {
    width: 300px;
    height: 300px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .navbar {
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%) !important;
    width: calc(100% - var(--space-8)) !important;
    max-width: var(--container-max) !important;
    margin: 0 auto !important;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--space-3);
    margin: 0;
    flex-direction: column;
    gap: var(--space-1);
    box-shadow: var(--shadow-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .navbar-links li a {
    color: rgba(255, 255, 255, 0.92);
    padding: var(--space-3) var(--space-4);
  }

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

  .hero {
    padding: var(--space-16) 0;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 2.6rem);
  }

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

  section {
    padding: var(--space-16) 0;
  }

  .about-content,
  .projects-grid,
  .tech-stack,
  .skills-categories,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .skills-categories {
    gap: var(--space-6);
  }

  .skill-category {
    padding: var(--space-6);
  }

  .category-skills {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-2);
  }

  /* Mobile centered skills */
  .centered-skills {
    grid-template-columns: repeat(2, minmax(100px, 150px));
    max-width: 350px;
  }

  .tech-item {
    min-height: 80px;
    padding: var(--space-4);
  }

  .tech-item i {
    font-size: 1.5rem;
  }
  
  /* Maintain colors on mobile */
  .tech-item:hover i {
    filter: brightness(1.1) saturate(1.2);
    text-shadow: 0 0 8px currentColor;
  }

  .portrait-container {
    width: 260px;
    height: 260px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .navbar {
    position: fixed !important;
    top: var(--space-2) !important;
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%) !important;
    width: calc(100% - var(--space-6)) !important;
    max-width: 95vw !important;
    margin: 0 auto !important;
  }

  .hero-title {
    font-size: 1.9rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .about-card,
  .project-card,
  .contact-form,
  .contact-info {
    padding: var(--space-6);
  }

  .tech-item {
    padding: var(--space-5);
  }

  /* Mobile skills categories */
  .skills-categories {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-top: var(--space-8);
  }

  .skill-category {
    padding: var(--space-5);
  }

  .category-header {
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }

  .category-icon {
    width: 40px;
    height: 40px;
  }

  .category-icon i {
    font-size: 1.2rem;
  }

  .category-title {
    font-size: 1.1rem;
  }

  .category-skills {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: var(--space-2);
  }

  /* Small screen centered skills */
  .centered-skills {
    grid-template-columns: repeat(2, minmax(90px, 120px));
    max-width: 280px;
  }

  .tech-item {
    min-height: 70px;
    padding: var(--space-3);
  }

  .tech-item i {
    font-size: 1.3rem;
  }
  
  /* Enhanced colors for small screens */
  .tech-item:hover i {
    filter: brightness(1.15) saturate(1.4);
    text-shadow: 0 0 6px currentColor;
  }

  .tech-item span {
    font-size: 0.8rem;
  }

  .contact-links {
    justify-content: center;
  }
  
  /* Responsive animations */
  .code-display-container {
    margin: 0 var(--space-4);
  }
  
  .cloud-diagram {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  
  .cloud-service {
    padding: var(--space-4);
  }
  
  .cloud-service i {
    font-size: 2rem;
  }
  
  .docker-deployment {
    margin: var(--space-12) var(--space-4);
    padding: var(--space-8);
  }
  
  .deployment-pipeline {
    flex-direction: column;
    gap: var(--space-6);
  }
  
  .deployment-pipeline::before {
    display: none;
  }
  
  .container-cluster {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .floating-tech-icons {
    display: none; /* Hide on mobile for performance */
  }
}

/* ===== MOBILE OPTIMIZED ANIMATIONS ===== */
@media (max-width: 768px) {
  /* Optimize all animations for mobile performance */
  * {
    animation-duration: 0.3s !important;
    transition-duration: 0.3s !important;
  }
  
  /* Simplify floating icons for mobile */
  .floating-tech-icons {
    display: block; /* Show on mobile but simplified */
    will-change: auto; /* Reset will-change for better performance */
  }
  
  .tech-icon {
    font-size: 2rem !important; /* Bigger for mobile visibility */
    opacity: 0.12 !important; /* More visible */
  }
  
  /* Varied durations for mobile - slower but still natural */
  .tech-icon:nth-child(1) { animation-duration: 28s !important; }
  .tech-icon:nth-child(2) { animation-duration: 24s !important; }
  .tech-icon:nth-child(3) { animation-duration: 30s !important; }
  .tech-icon:nth-child(4) { animation-duration: 26s !important; }
  .tech-icon:nth-child(5) { animation-duration: 27s !important; }
  .tech-icon:nth-child(6) { animation-duration: 23s !important; }
  .tech-icon:nth-child(7) { animation-duration: 29s !important; }
  .tech-icon:nth-child(8) { animation-duration: 25s !important; }
  
  .tech-icon:nth-child(n+9) {
    display: none; /* Show 8 icons on mobile */
  }
  
  /* Make sure first 8 icons are consistently sized and visible */
  .tech-icon:nth-child(1) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(2) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(3) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(4) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(5) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(6) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(7) { font-size: 2rem !important; opacity: 0.14 !important; }
  .tech-icon:nth-child(8) { font-size: 2rem !important; opacity: 0.14 !important; }
  
  /* Optimize hero animations */
  .hero::before {
    animation-duration: 25s !important;
    opacity: 0.4;
  }
  
  /* Mobile-friendly cloud services */
  .cloud-service {
    animation-duration: 6s !important; /* Slower pulse */
    min-height: 120px;
    justify-content: center;
  }
  
  .cloud-service:hover {
    transform: scale(1.05) !important; /* Smaller scale */
    transition: transform 0.3s ease !important;
  }
  
  /* Touch feedback for mobile */
  .cloud-service:active {
    transform: scale(0.98) !important;
    background: rgba(59, 130, 246, 0.2) !important;
    transition: all 0.1s ease !important;
  }
  
  /* Simplify connection lines */
  .connection-line {
    animation-duration: 4s !important;
    opacity: 0.4;
  }
  
  .data-flow {
    animation-duration: 6s !important;
  }
  
  /* Mobile deployment animations */
  .pipeline-stage {
    animation-duration: 12s !important;
  }
  
  .stage-progress::after {
    animation-duration: 12s !important;
  }
  
  .container-node {
    animation-duration: 15s !important;
  }
  
  .container-status {
    animation-duration: 3s !important;
  }
  
  /* Mobile code showcase */
  .code-showcase {
    display: block !important; /* Show on mobile */
  }
  
  .code-display-container {
    margin: 0 var(--space-4);
  }
  
  /* Mobile cloud infrastructure */
  .cloud-infrastructure {
    display: block !important;
    margin: var(--space-12) var(--space-4);
    padding: var(--space-8);
  }
  
  .cloud-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    min-height: auto;
  }
  
  /* Reset grid positioning for mobile */
  .cloud-service[data-service="ec2"],
  .cloud-service[data-service="rds"],
  .cloud-service[data-service="s3"],
  .cloud-service[data-service="lambda"],
  .cloud-service[data-service="api"],
  .cloud-service[data-service="cloudfront"] {
    grid-column: unset !important;
    grid-row: unset !important;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  /* Hide connection lines on mobile */
  .connection-line {
    display: none !important;
  }
  
  .data-flow {
    display: none !important;
  }
  
  /* Mobile docker deployment */
  .docker-deployment {
    display: block !important;
    margin: var(--space-12) var(--space-4);
    padding: var(--space-8);
  }
  
  .deployment-pipeline {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .deployment-pipeline::before {
    display: none;
  }
  
  .container-cluster {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* ===== VERY SMALL SCREENS OPTIMIZATION ===== */
@media (max-width: 480px) {
  /* Keep 8 icons even on very small screens */
  .floating-tech-icons .tech-icon:nth-child(n+9) {
    display: none; /* Show 8 icons on very small screens too */
  }
  
  /* Make icons consistently sized on very small screens */
  .floating-tech-icons .tech-icon {
    font-size: 1.8rem !important;
    opacity: 0.15 !important;
  }
  
  .floating-tech-icons .tech-icon:nth-child(1) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(2) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(3) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(4) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(5) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(6) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(7) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  .floating-tech-icons .tech-icon:nth-child(8) { font-size: 1.8rem !important; opacity: 0.15 !important; }
  
  /* Very small screens - keep flex layout but smaller */
  .cloud-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
  }
  
  .cloud-service {
    padding: var(--space-4);
    width: 100%;
    max-width: 280px;
  }
  
  .cloud-service i {
    font-size: 1.8rem;
  }
  
  .cloud-infrastructure {
    padding: var(--space-6);
    margin: var(--space-8) var(--space-2);
  }
  
  /* Terminal responsive */
  .terminal-window {
    margin: 0 var(--space-2);
  }
  
  .terminal-body {
    padding: var(--space-4);
    font-size: 0.8rem;
  }
}

/* ===== HERO TITLE ENHANCEMENTS ===== */
.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    display: inline-block;
}

.hero-title .role {
    color: var(--accent);
    font-weight: 600;
    display: inline-block;
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.hero-image {
    will-change: opacity;
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 4px;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* Optimize animations for performance */
.tech-icon,
.hero-image,
.portrait-wrap {
    will-change: transform, opacity;
}

/* GPU acceleration for smooth animations */
.floating-tech-icons,
.portrait-container {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* ===== BEST PRACTICES ===== */
/* Improve text rendering */
body {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Better image loading and optimization */
img {
    max-width: 100%;
    height: auto;
    /* Performance optimizations */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: optimize-contrast;
    /* Better loading experience */
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.loaded {
    opacity: 1;
}

/* Lazy loading placeholder */
img[loading="lazy"] {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* WebP support detection */
.webp img {
    background-image: none;
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Form validation styles */
.form-input.error,
.form-textarea.error {
    border-color: #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.form-input.error:focus,
.form-textarea.error:focus {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

/* Browser Integration Styles */
/* Optimize for browser address bar suggestions */
.hero-title {
    font-display: swap;
}

/* Better browser tab integration */
body {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow text selection for important content */
.hero-text,
.section-description,
.project-description,
.contact-info p {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Browser bookmark optimization */
@media screen {
    .hero {
        min-height: 100vh;
        min-height: 100dvh; /* Dynamic viewport height for mobile browsers */
    }
}

/* Print styles */
@media print {
    .navbar,
    .floating-tech-icons,
    .hero-actions {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        page-break-inside: avoid;
    }
    
    /* Print-friendly URLs */
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}

/* ===== ENHANCED FOOTER STYLES ===== */
/* Footer Brand Section */
.footer-brand {
  margin-bottom: var(--space-4);
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, #ffffff, #dbeafe, #bae6fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-title {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Social Links */
.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 8px;
  color: var(--accent);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* Footer Sections */
.footer-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--fg);
}

/* Technology Tags */
.footer-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-tech span {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent);
  padding: var(--space-1) var(--space-3);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.footer-tech span:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
}

/* Footer Bottom Enhancement */
.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer-bottom-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

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

/* Enhanced Footer Responsive */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .footer-sections {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
}

/* ===== COMPREHENSIVE RESPONSIVE DESIGN ===== */

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
    padding: 0 var(--space-8);
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
}

/* Desktop (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
  .container {
    padding: 0 var(--space-6);
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
}

/* Tablet (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
  .container {
    padding: 0 var(--space-5);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
  }
  
  /* Footer responsive for tablet */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .footer-sections {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* Mobile Large (481px - 767px) */
@media (max-width: 767px) and (min-width: 481px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  /* Icons responsive */
  .skill-tag {
    font-size: 1.4rem !important;
  }
  
  .tech-icon {
    font-size: 1.8rem;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-3);
  }
  
  /* Header responsive */
  .navbar {
    padding: var(--space-3) var(--space-4);
  }
  
  .navbar-logo {
    font-size: 1.1rem;
  }
  
  /* Footer responsive */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  
  .footer-sections {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
}

/* Mobile Small (320px - 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .hero-title {
    font-size: 1.8rem;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-description {
    font-size: 0.95rem;
  }
  
  /* Icons responsive for small mobile */
  .skill-tag {
    font-size: 1.2rem !important;
  }
  
  .tech-icon {
    font-size: 1.5rem;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-2);
  }
  
  /* Header responsive for small mobile */
  .navbar {
    padding: var(--space-2) var(--space-3);
  }
  
  .navbar-logo {
    font-size: 1rem;
  }
  
  .navbar-toggle {
    width: 32px;
    height: 32px;
  }
  
  /* Hero responsive */
  .hero {
    padding: var(--space-8) 0;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Footer responsive for small mobile */
  .footer {
    padding: var(--space-12) 0 var(--space-6);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-sections {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  
  .footer-social {
    justify-content: center;
    gap: var(--space-3);
  }
  
  .footer-social a {
    width: 36px;
    height: 36px;
  }
  
  .footer-tech {
    justify-content: center;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-2);
  }
  
  .footer-bottom-links {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  /* Contact form responsive */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .contact-info {
    text-align: center;
  }
  
  .contact-form {
    padding: var(--space-6);
  }
  
  /* Code showcase responsive */
  .code-showcase {
    padding: var(--space-6);
  }
  
  .code-tabs {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .code-tab {
    font-size: 0.85rem;
    padding: var(--space-2) var(--space-3);
  }
  
  /* Terminal responsive */
  .terminal {
    padding: var(--space-6);
  }
  
  .terminal-header {
    padding: var(--space-3);
  }
  
  .terminal-body {
    padding: var(--space-4);
    font-size: 0.9rem;
  }
}

/* Extra responsive utilities */
@media (max-width: 360px) {
  .container {
    padding: 0 var(--space-2);
  }
  
  .hero-title {
    font-size: 1.6rem;
  }
  
  .section-title {
    font-size: 1.3rem;
  }
  
  .skill-tag {
    font-size: 1rem !important;
  }
  
  .tech-icon {
    font-size: 1.3rem;
  }
}

/* Ultra-wide screen optimization */
@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
  }
  
  .hero-title {
    font-size: 4rem;
  }
  
  .section-title {
    font-size: 3rem;
  }
}

/* High DPI display optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-image,
  .portrait-wrap img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Landscape mobile optimization */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    padding: var(--space-4) 0;
  }
  
  .hero-content {
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
  }
  
  .hero-visual {
    flex: 0 0 200px;
  }
  
  .portrait-container {
    width: 200px;
    height: 200px;
  }
}

/* ===== COMPREHENSIVE SECTION RESPONSIVENESS ===== */

/* Hero Section Responsive */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }
  
  .hero-visual {
    order: -1;
    margin-bottom: var(--space-6);
  }
  
  .portrait-container {
    width: 200px;
    height: 200px;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* About Section Responsive */
@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .about-content {
    text-align: center;
  }
  
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

/* Projects Section Responsive */
@media (max-width: 768px) {
  .project-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .project-card {
    padding: var(--space-6);
  }
  
  .project-links {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .project-link {
    width: 100%;
    justify-content: center;
  }
}

/* Skills Section Responsive */
@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-4);
  }
  
  .skill-tag {
    font-size: 1.4rem !important;
    padding: var(--space-3);
  }
  
  .skill-category {
    margin-bottom: var(--space-8);
  }
}

/* Code Showcase Responsive */
@media (max-width: 768px) {
  .code-showcase {
    padding: var(--space-6);
  }
  
  .code-tabs {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .code-tab {
    font-size: 0.9rem;
    padding: var(--space-2) var(--space-4);
  }
  
  .code-display {
    margin: var(--space-4) 0;
  }
  
  .code-content {
    font-size: 0.85rem;
  }
}

/* Terminal Responsive */
@media (max-width: 768px) {
  .terminal {
    padding: var(--space-6);
  }
  
  .terminal-header {
    padding: var(--space-4);
  }
  
  .terminal-body {
    padding: var(--space-5);
    font-size: 0.95rem;
  }
  
  .terminal-line {
    font-size: 0.8rem;
  }
}

/* Contact Section Responsive */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .contact-info {
    text-align: center;
  }
  
  .contact-form {
    padding: var(--space-6);
  }
  
  .form-group {
    margin-bottom: var(--space-5);
  }
  
  .contact-links {
    justify-content: center;
  }
}

/* ===== CROSS-BROWSER COMPATIBILITY ===== */

/* Firefox specific fixes */
@-moz-document url-prefix() {
  .navbar {
    backdrop-filter: blur(12px) saturate(180%);
  }
  
  .hero::before {
    backdrop-filter: none;
  }
}

/* Safari specific fixes */
@supports (-webkit-appearance: none) {
  .navbar {
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    backdrop-filter: blur(12px) saturate(180%);
  }
  
  .portrait-container {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
}

/* Edge/IE fallbacks */
@supports not (backdrop-filter: blur(12px)) {
  .navbar {
    background: rgba(15, 23, 42, 0.9) !important;
    backdrop-filter: none;
  }
  
  .about-card,
  .project-card,
  .tech-item,
  .contact-form,
  .contact-info {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: none;
  }
}

/* CSS Grid fallbacks for older browsers */
@supports not (display: grid) {
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .projects-grid {
    display: flex;
    flex-direction: column;
  }
  
  .skills-categories {
    display: flex;
    flex-direction: column;
  }
  
  .contact-grid {
    display: flex;
    flex-direction: column;
  }
}

/* Flexbox fallbacks */
@supports not (display: flex) {
  .navbar {
    display: block;
  }
  
  .hero-actions {
    display: block;
  }
  
  .contact-links {
    display: block;
  }
}

/* ===== COMPREHENSIVE DARK MODE ENFORCEMENT ===== */
/* This section ensures dark mode is ALWAYS applied regardless of any other CSS rules */

/* Global dark mode enforcement - highest priority */
html[data-theme="dark"],
html.dark-theme,
html {
  color-scheme: dark !important;
  background: #0f172a !important;
  color: #ffffff !important;
}

body[data-theme="dark"],
body.dark-theme,
body {
  color-scheme: dark !important;
  background: #0f172a !important;
  color: #ffffff !important;
}

/* Ensure all elements inherit dark mode */
*[data-theme="dark"],
*.dark-theme,
* {
  color-scheme: dark !important;
}

/* Force dark mode on all possible elements that might be affected by system preferences */
div, span, p, h1, h2, h3, h4, h5, h6, 
a, button, input, textarea, select, 
nav, header, footer, main, section, article, aside,
form, label, fieldset, legend, table, tr, td, th,
ul, ol, li, dl, dt, dd,
img, canvas, svg, video, audio,
iframe, embed, object {
  color-scheme: dark !important;
}

/* Override any media queries that might try to apply light mode */
@media screen, print, (prefers-color-scheme: light), (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark only !important;
    --bg: #0f172a !important;
    --fg: #ffffff !important;
  }
  
  html, body {
    color-scheme: dark !important;
    background: #0f172a !important;
    color: #ffffff !important;
  }
  
  * {
    color-scheme: dark !important;
  }
}

/* Final enforcement - this should override everything */
html, body, * {
  color-scheme: dark !important;
}

/* Browser-specific overrides */
@-moz-document url-prefix() {
  html, body, * {
    color-scheme: dark !important;
  }
}

@supports (-webkit-appearance: none) {
  html, body, * {
    color-scheme: dark !important;
  }
}

@supports (-ms-ime-align: auto) {
  html, body, * {
    color-scheme: dark !important;
  }
}

/* ===== 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;
  }
  
  .floating-tech-icons {
    display: none !important;
  }
  
  .tech-icon {
    animation: none !important;
  }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
  :root {
    --bg: #000000;
    --fg: #ffffff;
    --accent: #00ff00;
    --border: #ffffff;
  }
  
  .navbar {
    background: #000000 !important;
    border: 2px solid #ffffff;
  }
  
  .btn-primary,
  .btn-secondary {
    background: #00ff00 !important;
    color: #000000 !important;
    border: 2px solid #ffffff;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  .navbar,
  .floating-tech-icons,
  .hero-actions,
  .scroll-top,
  .contact-form {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    page-break-inside: avoid;
  }
  
  .section-title {
    page-break-after: avoid;
  }
  
  .project-card,
  .about-card {
    page-break-inside: avoid;
  }
  
  a[href]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
  
  .hero-title,
  .section-title {
    color: black !important;
  }
}

/* ===== PERMANENT DARK MODE - IGNORE SYSTEM PREFERENCES ===== */
/* Force dark mode regardless of system preference */
:root {
  /* Override any light mode detection */
  color-scheme: dark only !important;
  
  /* Ensure dark mode variables are always applied */
  --bg: var(--gray-900) !important;
  --bg-elev: #0b1424 !important;
  --surface: rgba(255, 255, 255, 0.04) !important;
  --surface-strong: rgba(255, 255, 255, 0.06) !important;
  --fg: var(--white) !important;
  --muted: rgba(255, 255, 255, 0.78) !important;
  --muted-2: rgba(255, 255, 255, 0.64) !important;
  --border: rgba(255, 255, 255, 0.12) !important;
  --border-strong: rgba(255, 255, 255, 0.18) !important;
}

/* Force dark mode for all elements */
*,
*::before,
*::after {
  color-scheme: dark !important;
}

html {
  color-scheme: dark !important;
  background: var(--bg) !important;
}

body {
  color-scheme: dark !important;
  background: var(--bg) !important;
  color: var(--fg) !important;
}

/* Force dark mode for form elements */
input,
textarea,
select,
button {
  color-scheme: dark !important;
  background: rgba(255, 255, 255, 0.04) !important;
  color: var(--fg) !important;
  border-color: var(--border) !important;
}

/* Force dark mode for webkit elements */
::-webkit-scrollbar {
  background: var(--bg) !important;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong) !important;
}

::-webkit-scrollbar-track {
  background: var(--surface) !important;
}

/* Force dark mode for selection */
::selection {
  background: rgba(59, 130, 246, 0.3) !important;
  color: var(--fg) !important;
}

::-moz-selection {
  background: rgba(59, 130, 246, 0.3) !important;
  color: var(--fg) !important;
}

/* Override any potential light mode styles */
@media (prefers-color-scheme: light) {
  :root {
    /* Force dark mode even when system prefers light */
    color-scheme: dark only !important;
    --bg: var(--gray-900) !important;
    --bg-elev: #0b1424 !important;
    --surface: rgba(255, 255, 255, 0.04) !important;
    --surface-strong: rgba(255, 255, 255, 0.06) !important;
    --fg: var(--white) !important;
    --muted: rgba(255, 255, 255, 0.78) !important;
    --muted-2: rgba(255, 255, 255, 0.64) !important;
    --border: rgba(255, 255, 255, 0.12) !important;
    --border-strong: rgba(255, 255, 255, 0.18) !important;
  }
  
  html, body {
    color-scheme: dark !important;
    background: var(--gray-900) !important;
    color: var(--white) !important;
  }
  
  * {
    color-scheme: dark !important;
  }
}

/* ===== ADVANCED PERFORMANCE OPTIMIZATIONS ===== */
.hero-image,
.project-image,
.skill-icon {
  content-visibility: auto;
  contain-intrinsic-size: 200px;
}

/* Optimize images for performance */
img {
  max-width: 100%;
  height: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: optimize-contrast;
}

/* GPU acceleration for animations */
.floating-tech-icons,
.portrait-container,
.tech-icon,
.hero-visual,
.navbar {
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: auto;
}

/* Optimize font rendering */
body, html {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-display: swap;
}

/* Reduce layout shifts */
.hero-image {
  aspect-ratio: 1;
  object-fit: cover;
}

/* Optimize scroll performance */
* {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== CROSS-BROWSER COMPATIBILITY ===== */
@supports not (backdrop-filter: blur(12px)) {
  .navbar {
    background: rgba(15, 23, 42, 0.95);
  }
}

@supports not (display: grid) {
  .projects-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
  }
}

@supports not (display: flex) {
  .hero {
    display: block;
    text-align: center;
  }
}