/* ============================================
   MODERN PORTFOLIO CSS - Complete Redesign
   Author: Akash Deep
   Version: 2.0
   ============================================ */

/* ============================================
   1. CSS VARIABLES - Design System
   ============================================ */
:root {
  /* Primary Colors - Modern Dark Theme with Accent */
  --primary: #6366f1; /* Indigo - Main accent */
  --primary-light: #818cf8; /* Lighter indigo for hover */
  --primary-dark: #4f46e5; /* Darker indigo */
  --primary-glow: rgba(99, 102, 241, 0.3);

  /* Neutral Colors */
  --bg-primary: #0f172a; /* Deep navy - main background */
  --bg-secondary: #1e293b; /* Slate - card backgrounds */
  --bg-tertiary: #334155; /* Lighter slate for hover states */

  /* Text Colors */
  --text-primary: #f8fafc; /* Almost white */
  --text-secondary: #94a3b8; /* Muted text */
  --text-muted: #64748b; /* Even more muted */

  /* Accent Colors */
  --accent-cyan: #22d3ee; /* Cyan for highlights */
  --accent-emerald: #10b981; /* Green for success */
  --accent-amber: #f59e0b; /* Amber for warnings */
  --accent-rose: #f43f5e; /* Rose for emphasis */

  /* Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--accent-cyan) 100%
  );
  --gradient-hero: linear-gradient(
    135deg,
    #0f172a 0%,
    #1e293b 50%,
    #0f172a 100%
  );
  --gradient-card: linear-gradient(
    145deg,
    var(--bg-secondary) 0%,
    var(--bg-primary) 100%
  );

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--primary-glow);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Typography */
  --font-main: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Fira Code", "Consolas", monospace;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;

  /* Subtle animated background */
  background-image:
    radial-gradient(
      ellipse at 20% 20%,
      rgba(99, 102, 241, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 80%,
      rgba(34, 211, 238, 0.05) 0%,
      transparent 50%
    );
  background-attachment: fixed;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Selection styling */
::selection {
  background: var(--primary);
  color: var(--text-primary);
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}
h3 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

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

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

a:hover {
  color: var(--accent-cyan);
}

/* ============================================
   4. NAVIGATION - Modern Glassmorphism
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  z-index: 1000;
  transition: all var(--transition-normal);
}

/* Nav scroll effect - add via JS if needed */
nav.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-md);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-links a {
  position: relative;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.1);
}

/* Active nav link indicator */
.nav-links a[aria-current="page"] {
  color: var(--primary-light);
}

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* Mobile hamburger menu */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: rgba(99, 102, 241, 0.1);
}

/* ============================================
   5. HERO / ABOUT SECTION
   ============================================ */
#about {
  min-height: 100vh;
  padding: calc(var(--nav-height) + var(--spacing-2xl)) var(--spacing-lg)
    var(--spacing-2xl);
  position: relative;
  overflow: hidden;
}

/* Animated background decoration */
#about::before {
  content: "";
  position: absolute;
  top: 20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
  z-index: 0;
}

#about::after {
  content: "";
  position: absolute;
  bottom: 10%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(34, 211, 238, 0.15) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
  z-index: 0;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.05);
  }
}

.about-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Profile Picture - Modern Style */
.profile-pic {
  position: relative;
}

.profile-pic::before {
  content: "";
  position: absolute;
  inset: -8px;
  background: var(--gradient-primary);
  border-radius: 50%;
  z-index: -1;
  animation: rotate 10s linear infinite;
}

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

.profile-pic img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 5px solid var(--bg-primary);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

.profile-pic:hover img {
  transform: scale(1.05);
}

/* Intro Text */
.intro {
  max-width: 650px;
}

.intro h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 0.8s ease forwards;
}

.intro h2 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.role {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.intro p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.intro p b {
  color: var(--text-primary);
  font-weight: 600;
}

/* Fade in animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Availability Badge */
.availability {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--accent-emerald);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.availability b {
  color: var(--accent-emerald);
}

/* ============================================
   6. SKILLS SECTION - Modern Cards
   ============================================ */
.skills-section {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  animation: fadeInUp 0.8s ease 0.5s forwards;
  opacity: 0;
}

.skills-title {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.skills-title::before {
  content: "💻";
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.skills-list span {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  cursor: default;
}

.skills-list span:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--primary-glow);
}

/* ============================================
   7. BUTTON STYLES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--gradient-primary);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  color: var(--text-primary);
}

.btn:hover::before {
  left: 100%;
}

.btn.secondary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary-light);
}

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

/* ============================================
   8. PROJECTS PAGE
   ============================================ */
#projects {
  min-height: 100vh;
  padding: calc(var(--nav-height) + var(--spacing-2xl)) var(--spacing-lg)
    var(--spacing-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.projects-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.projects-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

/* Project Card - Modern Glass Style */
.project-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow:
    var(--shadow-lg),
    0 0 40px var(--primary-glow);
}

.project-card:hover::before {
  transform: scaleX(1);
}

/* Featured/Highlight project */
.project-card.highlight {
  border-color: rgba(99, 102, 241, 0.3);
  background: linear-gradient(
    145deg,
    var(--bg-secondary) 0%,
    rgba(99, 102, 241, 0.05) 100%
  );
}

.project-card.highlight::after {
  content: "⭐ Featured";
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: 4px 10px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.project-card h2 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.project-card p {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.project-card p b,
.project-card p strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

.project-links {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.project-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary-light);
  transition: all var(--transition-normal);
}

.project-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateX(5px);
}

/* ============================================
   9. RESUME PAGE
   ============================================ */
#resume {
  min-height: 100vh;
  padding: calc(var(--nav-height) + var(--spacing-2xl)) var(--spacing-lg)
    var(--spacing-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.resume-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.resume-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.resume-tagline {
  margin-top: var(--spacing-md);
}

.resume-tagline span {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  animation: fadeInUp 0.8s ease forwards;
}

.resume-tagline span::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* Video Section */
.resume-video-section {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.video-box {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 3/4;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(99, 102, 241, 0.2);
  transition: all var(--transition-normal);
}

.video-box:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.video-box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(99, 102, 241, 0.9);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  color: var(--text-primary);
  pointer-events: none;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-glow);
}

.video-box:hover .play-overlay {
  transform: translate(-50%, -50%) scale(1.1);
}

/* Resume Highlights */
.resume-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.highlight-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.highlight-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
}

.highlight-card h3 {
  font-size: 1.2rem;
  color: var(--primary-light);
  margin-bottom: var(--spacing-sm);
}

.highlight-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Resume Download Section */
.resume-download {
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

/* ============================================
   10. CONTACT PAGE
   ============================================ */
#contact {
  min-height: 100vh;
  padding: calc(var(--nav-height) + var(--spacing-2xl)) var(--spacing-lg)
    var(--spacing-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.contact-note {
  text-align: center;
  font-size: 1rem;
  color: var(--accent-emerald);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  display: inline-block;
  width: 100%;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Contact Card - Glass Style */
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  background: var(--bg-secondary);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  margin-top: var(--spacing-lg);
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-info h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.contact-info h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.contact-info p:hover {
  color: var(--text-primary);
  transform: translateX(5px);
}

.contact-info i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-sm);
  color: var(--primary-light);
  font-size: 1.1rem;
  transition: all var(--transition-normal);
}

.contact-info p:hover i {
  background: var(--primary);
  color: var(--text-primary);
}

.contact-info a {
  color: var(--text-secondary);
}

.contact-info p:hover a {
  color: var(--primary-light);
}

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

.contact-form h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.contact-form h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-primary);
  border: 2px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

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

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

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

.contact-form button {
  align-self: flex-start;
  margin-top: var(--spacing-sm);
}

/* ============================================
   11. FOOTER
   ============================================ */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
}

footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============================================
   12. RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .about-container {
    gap: var(--spacing-xl);
  }

  .profile-pic img {
    width: 240px;
    height: 240px;
  }

  .intro h2 {
    font-size: 2.2rem;
  }
}

/* Mobile Navigation */
@media (max-width: 768px) {
  /* Show hamburger, hide regular nav */
  .menu-toggle {
    display: block;
  }

  .nav-inner {
    justify-content: flex-end;
    padding: 0 var(--spacing-md);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: var(--spacing-md);
    right: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: rgba(30, 41, 59, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.show {
    display: flex;
    animation: slideDown 0.3s ease forwards;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links a {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    border-radius: var(--radius-sm);
  }

  .nav-links a:hover {
    background: rgba(99, 102, 241, 0.2);
  }

  .nav-links a[aria-current="page"]::after {
    display: none;
  }

  /* About Section Mobile */
  #about {
    padding-top: calc(var(--nav-height) + var(--spacing-xl));
  }

  .about-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .profile-pic {
    justify-self: center;
  }

  .profile-pic img {
    width: 200px;
    height: 200px;
  }

  .intro {
    text-align: center;
    max-width: 100%;
  }

  .skills-title {
    justify-content: center;
  }

  .skills-list {
    justify-content: center;
  }

  .availability {
    justify-content: center;
    text-align: center;
  }

  /* Projects Mobile */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  /* Contact Mobile */
  .contact-card {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
  }

  .contact-info,
  .contact-form {
    text-align: center;
  }

  .contact-info h2::after,
  .contact-form h2::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .contact-info p {
    justify-content: center;
  }

  .contact-form button {
    align-self: center;
    width: 100%;
  }

  /* Resume Mobile */
  .resume-highlights {
    grid-template-columns: 1fr;
  }

  .resume-download {
    flex-direction: column;
  }

  .resume-download .btn {
    width: 100%;
  }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }

  .profile-pic img {
    width: 160px;
    height: 160px;
  }

  .profile-pic::before {
    inset: -5px;
  }

  .intro h2 {
    font-size: 1.8rem;
  }

  .role {
    font-size: 1rem;
  }

  .intro p {
    font-size: 1rem;
  }

  .skills-list span {
    font-size: 0.85rem;
    padding: 6px 12px;
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
  }

  .project-card {
    padding: var(--spacing-md);
  }

  .project-card h2 {
    font-size: 1.1rem;
  }

  .project-card p {
    font-size: 0.9rem;
  }

  .contact-card {
    padding: var(--spacing-md);
  }

  .video-box {
    max-width: 280px;
  }
}

/* ============================================
   13. UTILITY CLASSES
   ============================================ */

/* Fade in on scroll - add via JS */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation delays */
.stagger-1 {
  animation-delay: 0.1s;
}
.stagger-2 {
  animation-delay: 0.2s;
}
.stagger-3 {
  animation-delay: 0.3s;
}
.stagger-4 {
  animation-delay: 0.4s;
}
.stagger-5 {
  animation-delay: 0.5s;
}

/* Hide/Show utilities */
.hidden {
  display: none !important;
}
.visible {
  display: block !important;
}

/* Text utilities */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   14. ANIMATIONS
   ============================================ */

/* Pulse animation for availability badge */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Typing cursor effect (optional) */
@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

/* Gradient animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Scale bounce */
@keyframes scaleBounce {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ============================================
   15. PRINT STYLES
   ============================================ */
@media print {
  nav,
  footer,
  .btn {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  #about,
  #projects,
  #resume,
  #contact {
    padding: 20px;
  }
}