/* ===== RESET & VARIABLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --secondary-color: #f59e0b;
  --accent-color: #ec4899;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Neutral Colors */
  --dark-primary: #0f172a;
  --dark-secondary: #1e293b;
  --dark-tertiary: #334155;
  --gray-light: #f8fafc;
  --gray-medium: #64748b;
  --white: #ffffff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #000428 100%);
  
  /* Typography - Responsive Font Sizes */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  --fs-xs: clamp(0.75rem, 2vw, 0.875rem);
  --fs-sm: clamp(0.875rem, 2.5vw, 1rem);
  --fs-base: clamp(1rem, 3vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 3.5vw, 1.25rem);
  --fs-xl: clamp(1.25rem, 4vw, 1.5rem);
  --fs-2xl: clamp(1.5rem, 5vw, 2rem);
  --fs-3xl: clamp(2rem, 6vw, 3rem);
  --fs-4xl: clamp(2.5rem, 8vw, 4rem);
  
  /* Spacing & Sizing */
  --container-width: 1200px;
  --container-padding: clamp(1rem, 5vw, 2rem);
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 24px;
  --section-padding: clamp(3rem, 8vw, 6rem);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--dark-primary);
  background: var(--white);
  overflow-x: hidden;
  font-size: var(--fs-base);
}

/* ===== IMPROVED UTILITY CLASSES ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 6vw, 4rem);
}

.section-subtitle {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  position: relative;
}

.section-subtitle::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-secondary);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--dark-primary);
  margin-bottom: 1rem;
  position: relative;
}

/* ===== ENHANCED NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  padding: clamp(0.75rem, 2vw, 1rem) 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  padding: clamp(0.5rem, 1.5vw, 0.75rem) 0;
}

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

/* ENHANCED LOGO FOR MOBILE */
.nav-logo .logo-text {
  font-family: var(--font-secondary);
  font-size: clamp(1.5rem, 4vw, 1.8rem);
  font-weight: 700;
  color: var(--dark-primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-logo .logo-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  list-style: none;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--dark-primary);
  font-weight: 500;
  font-size: var(--fs-sm);
  padding: clamp(0.5rem, 2vw, 0.75rem) clamp(0.75rem, 2.5vw, 1rem);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: left var(--transition-normal);
  z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
  left: 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.nav-link i {
  font-size: clamp(0.8rem, 2vw, 0.9rem);
  transition: transform var(--transition-fast);
}

.nav-link:hover i {
  transform: scale(1.1);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--dark-primary);
  margin: 3px 0;
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* ===== ENHANCED HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;   /* ADD THIS */
  position: relative;
  background: var(--gradient-primary);
  overflow: hidden;
  padding: clamp(5rem, 15vw, 8rem) 0 clamp(3rem, 8vw, 5rem);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 80% 40%, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 60% 80%, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
  z-index: 2;
  position: relative;
  text-align: center;
  justify-items: center;  /* ADD THIS */
}

.hero-text {
  color: var(--white);
  order: 2;
}

.hero-greeting {
  font-size: var(--fs-lg);
  font-weight: 500;
  margin-bottom: 0.5rem;
  opacity: 0.9;
  animation: slideInLeft 1s ease-out;
}

/* ENHANCED NAME DISPLAY FOR MOBILE */
.hero-name {
  font-family: var(--font-secondary);
  font-size: var(--fs-4xl);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.1;
  animation: slideInLeft 1s ease-out 0.2s both;
  word-break: keep-all;
  hyphens: none;
}

.name-accent {
  background: linear-gradient(45deg, #ffd700, #ff6b6b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-title {
  font-size: var(--fs-2xl);
  margin-bottom: 1.5rem;
  animation: slideInLeft 1s ease-out 0.4s both;
  line-height: 1.3;
}

.typing-text {
  font-weight: 500;
}

#typed {
  border-right: 2px solid var(--secondary-color);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { border-right-color: transparent; }
  51%, 100% { border-right-color: var(--secondary-color); }
}

.hero-description {
  font-size: var(--fs-lg);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  animation: slideInLeft 1s ease-out 0.6s both;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: clamp(0.75rem, 3vw, 1rem);
  margin-bottom: 2rem;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 0.8s both;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: clamp(0.75rem, 3vw, 1rem) clamp(1.5rem, 4vw, 2rem);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  transform: perspective(1px) translateZ(0);
  white-space: nowrap;
  min-width: fit-content;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

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

.btn-primary {
  background: var(--secondary-color);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  background: #e59400;
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
}

.social-links {
  display: flex;
  gap: clamp(0.75rem, 2vw, 1rem);
  animation: slideInUp 1s ease-out 1s both;
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(45px, 8vw, 50px);
  height: clamp(45px, 8vw, 50px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--white);
  text-decoration: none;
  font-size: clamp(1rem, 3vw, 1.2rem);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.hero-image {
  position: relative;
  animation: slideInRight 1s ease-out 0.4s both;
  order: 1;
}

.image-container {
  position: relative;
  max-width: clamp(250px, 60vw, 400px);
  margin: 0 auto;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 2;
  transition: transform var(--transition-slow);
}

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

.image-glow {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-xl);
  filter: blur(20px);
  opacity: 0.3;
  z-index: 1;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: rgba(255, 255, 255, 0.7);
  animation: floatIcon 6s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-icon:nth-child(1) { top: 10%; left: -10%; }
.floating-icon:nth-child(2) { top: 20%; right: -15%; }
.floating-icon:nth-child(3) { bottom: 30%; left: -20%; }
.floating-icon:nth-child(4) { bottom: 10%; right: -10%; }

@keyframes floatIcon {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.7; }
  25% { transform: translateY(-20px) rotate(90deg); opacity: 1; }
  50% { transform: translateY(0) rotate(180deg); opacity: 0.7; }
  75% { transform: translateY(-10px) rotate(270deg); opacity: 1; }
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  color: var(--white);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  opacity: 0.8;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== ENHANCED ABOUT SECTION ===== */
.about {
  padding: var(--section-padding) 0;
  background: var(--gray-light);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.about-text p {
  font-size: var(--fs-lg);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--gray-medium);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  display: block;
  font-family: var(--font-secondary);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--gray-medium);
  font-weight: 500;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-slow);
}

.about-image img:hover {
  transform: scale(1.03);
}

/* ===== ENHANCED RESPONSIVE DESIGN ===== */

/* Large Tablets and Small Desktops */
@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    justify-items: center;   /* ADD THIS */
    align-items: center;     /* already there */
  }

  .hero-text {
    order: 1;
  }

  .hero-image {
    order: 2;
  }

  .hero-buttons {
    justify-content: flex-start;
  }

  .social-links {
    justify-content: flex-start;
  }

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

/* Large Desktops */
@media (min-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile Devices */
@media (max-width: 767px) {
  /* Enhanced Mobile Navigation */
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: -100vh;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.98) 0%, rgba(118, 75, 162, 0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem 0;
    gap: 1rem;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  
  .nav-menu.active {
    top: 0;
  }
  
  .nav-link {
    padding: 1.2rem 2rem;
    width: auto;
    justify-content: center;
    color: var(--white);
    font-size: var(--fs-lg);
    font-weight: 600;
    border-radius: var(--border-radius-lg);
    margin: 0.5rem 0;
    min-width: 200px;
    text-align: center;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  
  .nav-link::before {
    background: rgba(255, 255, 255, 0.2);
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(10px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
  }
  
  .nav-link i {
    color: var(--white);
    margin-right: 0.5rem;
  }
  
  .hamburger span {
    background: var(--dark-primary);
  }
  
  .hamburger.active span {
    background: var(--white);
  }
  
  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  /* Enhanced Mobile Name Display */
  .nav-logo .logo-text {
    font-size: clamp(1.3rem, 5vw, 1.6rem);
    max-width: calc(100vw - 120px);
  }
  
  .hero-name {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
  }
  
  .hero-title {
    font-size: clamp(1.2rem, 5vw, 1.8rem);
    line-height: 1.4;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: 1rem 1.5rem;
  }
  
  /* Mobile Typography Adjustments */
  .section-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    line-height: 1.3;
  }
  
  .section-subtitle {
    font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  }
  
  /* Mobile Spacing */
  :root {
    --section-padding: clamp(2rem, 6vw, 4rem);
    --container-padding: clamp(1rem, 4vw, 1.5rem);
  }
}

/* Very Small Mobile Devices */
@media (max-width: 480px) {
  .nav-logo .logo-text {
    font-size: clamp(1.2rem, 6vw, 1.4rem);
    max-width: calc(100vw - 100px);
  }
  
  .hero-name {
    font-size: clamp(2rem, 9vw, 2.8rem);
    word-spacing: -0.1em;
  }
  
  .hero-title {
    font-size: clamp(1.1rem, 5.5vw, 1.5rem);
  }
  
  .hero-description {
    font-size: clamp(0.95rem, 4vw, 1.1rem);
    line-height: 1.6;
  }
  
  .btn {
    max-width: 260px;
    font-size: clamp(0.85rem, 3.5vw, 0.95rem);
    padding: 0.9rem 1.3rem;
  }
  
  .social-link {
    width: clamp(40px, 9vw, 45px);
    height: clamp(40px, 9vw, 45px);
    font-size: clamp(0.9rem, 3.5vw, 1rem);
  }
}

/* Landscape Mobile Orientation */
@media (max-width: 767px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: clamp(4rem, 12vh, 6rem) 0 clamp(2rem, 6vh, 3rem);
  }
  
  .hero-content {
    gap: clamp(1.5rem, 4vh, 2.5rem);
  }
  
  .hero-name {
    font-size: clamp(2rem, 7vw, 3rem);
    margin-bottom: 0.75rem;
  }
  
  .hero-title {
    font-size: clamp(1.1rem, 4.5vw, 1.6rem);
    margin-bottom: 1rem;
  }
  
  .hero-description {
    font-size: clamp(0.95rem, 3.5vw, 1.1rem);
    margin-bottom: 1.5rem;
  }
}

/* ===== ENHANCED SKILLS SECTION ===== */
.skills {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
}

.skill-category {
  background: var(--white);
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.skill-category h3 {
  font-family: var(--font-secondary);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--dark-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skill-item {
  /* No additional margin needed due to gap */
}

.skill-name {
  display: block;
  font-weight: 600;
  color: var(--dark-primary);
  margin-bottom: 0.5rem;
  font-size: var(--fs-sm);
}

.skill-bar {
  height: 8px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  width: 0;
  transition: width 2s ease-out;
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== ENHANCED PROJECTS SECTION ===== */
.projects {
  padding: var(--section-padding) 0;
  background: var(--gray-light);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: clamp(0.5rem, 2vw, 1rem);
  margin-bottom: 3rem;
  flex-wrap: wrap;
  padding: 0 var(--container-padding);
}

.filter-btn {
  padding: clamp(0.6rem, 2vw, 0.75rem) clamp(1rem, 3vw, 1.5rem);
  background: var(--white);
  color: var(--gray-medium);
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
}

.project-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: clamp(180px, 25vw, 200px);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--white);
  color: var(--primary-color);
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all var(--transition-normal);
  transform: translateY(20px);
}

.project-card:hover .project-link {
  transform: translateY(0);
}

.project-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: scale(1.1);
}

.project-content {
  padding: clamp(1.2rem, 3vw, 1.5rem);
}

.project-content h3 {
  font-family: var(--font-secondary);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--dark-primary);
  margin-bottom: 0.75rem;
}

.project-content p {
  color: var(--gray-medium);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: var(--fs-base);
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: var(--fs-xs);
  font-weight: 500;
}

/* ===== ENHANCED EXPERIENCE SECTION ===== */
.experience {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.timeline-date {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -35px;
  background: var(--primary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: var(--fs-xs);
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.timeline-content {
  background: var(--white);
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  width: calc(50% - 2rem);
  position: relative;
  transition: all var(--transition-normal);
  border: 1px solid rgba(99, 102, 241, 0.1);
}

.timeline-item:hover .timeline-content {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
  font-family: var(--font-secondary);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--dark-primary);
  margin-bottom: 0.5rem;
}

.timeline-content h4 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: var(--fs-base);
}

.timeline-content p {
  color: var(--gray-medium);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: var(--fs-base);
}

.experience-skills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.skill-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: var(--fs-xs);
  font-weight: 500;
}

.experience-buttons .btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.experience-buttons .btn-link:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== ENHANCED CERTIFICATES SECTION ===== */
.certificates {
  padding: var(--section-padding) 0;
  background: var(--gray-light);
  position: relative;
  overflow: hidden;
}

.certificates::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.certificates-slider {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.slider-container {
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  position: relative;
}

.slider-track {
  display: flex;
  transition: transform var(--transition-slow);
  gap: 2rem;
  padding: 1rem 0;
}

.certificate-card {
  min-width: clamp(280px, 80vw, 350px);
  height: clamp(250px, 40vw, 280px);
  perspective: 1000px;
  margin: 0 1rem;
}

.certificate-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform var(--transition-slow);
  transform-style: preserve-3d;
  cursor: pointer;
}

.certificate-card:hover .certificate-inner {
  transform: rotateY(180deg);
}

.certificate-front,
.certificate-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2rem);
  box-shadow: var(--shadow-lg);
}

.certificate-front {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.certificate-back {
  background: var(--white);
  color: var(--dark-primary);
  transform: rotateY(180deg);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.certificate-icon {
  font-size: clamp(2rem, 6vw, 3rem);
  margin-bottom: 1rem;
  opacity: 0.9;
}

.certificate-front h3 {
  font-family: var(--font-secondary);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-align: center;
}

.certificate-front p {
  font-size: var(--fs-sm);
  opacity: 0.8;
}

.certificate-back h4 {
  font-family: var(--font-secondary);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
}

.certificate-back p {
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--gray-medium);
  margin-bottom: 1rem;
  text-align: center;
}

.certificate-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: var(--fs-xs);
  color: var(--gray-medium);
}

.certificate-details span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-certificate {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.btn-certificate:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 3rem;
}

.prev-btn,
.next-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(45px, 8vw, 50px);
  height: clamp(45px, 8vw, 50px);
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  font-size: clamp(1rem, 3vw, 1.2rem);
  transition: all var(--transition-normal);
}

.prev-btn:hover,
.next-btn:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.pagination-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dot.active,
.dot:hover {
  background: var(--primary-color);
  transform: scale(1.2);
}

/* ===== ENHANCED CONTACT SECTION ===== */
.contact {
  padding: var(--section-padding) 0;
  background: var(--white);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, transparent 100%);
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
  max-width: 900px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2rem);
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.05), transparent);
  transition: left var(--transition-slow);
}

.contact-item:hover::before {
  left: 100%;
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(50px, 10vw, 60px);
  height: clamp(50px, 10vw, 60px);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50%;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  flex-shrink: 0;
  position: relative;
}

.contact-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: inherit;
  opacity: 0.3;
  transform: scale(1);
  animation: ripple 2s infinite;
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.2); opacity: 0.1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.contact-details h3 {
  font-family: var(--font-secondary);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--dark-primary);
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: var(--gray-medium);
  margin-bottom: 0.75rem;
  font-size: var(--fs-base);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
}

.contact-link:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

/* ===== ENHANCED FOOTER ===== */
.footer {
  background: var(--dark-primary);
  color: var(--white);
  padding: 3rem 0 1rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  font-family: var(--font-secondary);
  margin-bottom: 1rem;
  color: var(--white);
}

.footer-section h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
}

.footer-section h4 {
  font-size: var(--fs-lg);
  font-weight: 600;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: var(--fs-base);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-base);
}

.footer-section ul li a:hover {
  color: var(--primary-light);
  transform: translateX(5px);
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  justify-content: center;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(35px, 8vw, 40px);
  height: clamp(35px, 8vw, 40px);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: 50%;
  text-decoration: none;
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  transition: all var(--transition-normal);
}

.footer-social a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
}

/* ===== ENHANCED MOBILE TIMELINE ===== */
@media (max-width: 1024px) {
  .timeline::before {
    left: 2rem;
  }
  
  .timeline-item {
    flex-direction: row;
    padding-left: 4rem;
  }
  
  .timeline-item:nth-child(odd) {
    flex-direction: row;
  }
  
  .timeline-item:nth-child(odd) .timeline-content {
    text-align: left;
  }
  
  .timeline-dot {
    left: 2rem;
  }
  
  .timeline-date {
    left: 2rem;
    font-size: var(--fs-xs);
    padding: 0.4rem 0.8rem;
  }
  
  .timeline-content {
    width: 100%;
  }
}

/* ===== MOBILE SPECIFIC ADJUSTMENTS ===== */
@media (max-width: 767px) {
  .contact-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .footer-content {
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .certificate-card {
    min-width: clamp(260px, 85vw, 300px);
    height: clamp(220px, 35vw, 250px);
  }
  
  .projects-filter {
    justify-content: center;
  }
  
  .filter-btn {
    flex: 0 0 auto;
    min-width: fit-content;
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.nav-link:focus,
.btn:focus,
.social-link:focus,
.project-link:focus,
.contact-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000ff;
    --dark-primary: #000000;
    --gray-medium: #666666;
  }
}

/* Print styles */
@media print {
  .navbar,
  .hero-particles,
  .floating-elements,
  .scroll-indicator {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  * {
    color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}