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

:root {
  /* Modern Color Palette */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #1a1a24;
  --color-bg-card: #222232;
  --color-bg-card-hover: #2a2a3a;
  
  --color-text-primary: #f5f5f5;
  --color-text-secondary: #bbb;
  --color-text-muted: #888;
  
  --color-accent-cyan: #00bcd4;
  --color-accent-pink: #ff4081;
  --color-accent-purple: #8c7ae6;
  --color-accent-yellow: #ffcc00;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-pink));
  --gradient-secondary: linear-gradient(90deg, #6a5acd, #ff69b4);
  --gradient-glow: radial-gradient(circle, rgba(255, 64, 129, 0.2) 0%, rgba(0, 188, 212, 0.1) 100%);
  
  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  --spacing-2xl: 40px;
  --spacing-3xl: 60px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow-cyan: 0 0 15px rgba(0, 188, 212, 0.5);
  --shadow-glow-pink: 0 0 20px rgba(255, 64, 129, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== UTILITY CLASSES ===== */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAVBAR ===== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(26, 26, 36, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--spacing-md) var(--spacing-2xl);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: padding var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  padding: var(--spacing-sm) var(--spacing-2xl);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.8);
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
}

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

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

.navbar a {
  position: relative;
  color: #ddd;
  margin: 0 var(--spacing-md);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all var(--transition-base);
}

.navbar a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--gradient-primary);
  transition: transform var(--transition-base);
}

.navbar a:hover {
  color: var(--color-accent-cyan);
  background: rgba(0, 188, 212, 0.1);
}

.navbar a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.navbar a.active {
  color: var(--color-accent-pink);
  background: rgba(255, 64, 129, 0.1);
  border-bottom: 2px solid var(--color-accent-pink);
}

/* ===== HERO SECTION ===== */
.hero {
  text-align: center;
  padding: 120px var(--spacing-lg) var(--spacing-3xl);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.profile-pic-container {
  width: 180px;
  height: 180px;
  margin: 0 auto 25px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-accent-cyan);
  box-shadow: 
    0 0 15px rgba(0, 188, 212, 0.6),
    0 0 25px rgba(255, 64, 129, 0.4),
    0 0 35px rgba(0, 188, 212, 0.3);
  position: relative;
  animation: float 3s ease-in-out infinite;
  z-index: 1;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.profile-pic-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255, 64, 129, 0.4), rgba(0, 188, 212, 0.3));
  border-radius: 50%;
  animation: light-slide 3s infinite linear;
}

@keyframes light-slide {
  0% { left: -50%; }
  50% { left: 100%; }
  100% { left: -50%; }
}

.profile-pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

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

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

.tagline {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ===== BUTTONS ===== */
.buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  border: none;
  font-size: 0.95rem;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn.primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 188, 212, 0.5);
}

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

.btn.outline:hover {
  background: var(--color-accent-cyan);
  color: #111;
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-glow-cyan);
}

/* ===== SECTION STYLES ===== */
.section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.section h2,
.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2xl);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section h2::after,
.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

/* ===== PERSONAL DETAILS GRID ===== */
.personal-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-card {
  background-color: var(--color-bg-card);
  padding: var(--spacing-lg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md), 0 0 15px rgba(0, 188, 212, 0.3);
  background-color: var(--color-bg-card-hover);
  border-color: rgba(0, 188, 212, 0.2);
}

.icon-circle {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--gradient-glow);
  color: var(--color-accent-pink);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.3em;
  margin-right: var(--spacing-md);
  border: 2px solid rgba(255, 64, 129, 0.5);
  flex-shrink: 0;
}

.detail-card:nth-child(2n) .icon-circle {
  color: var(--color-accent-cyan);
  border-color: rgba(0, 188, 212, 0.5);
}

.detail-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.label {
  font-size: 0.85em;
  color: var(--color-accent-cyan);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.value {
  font-size: 1em;
  color: var(--color-text-primary);
  font-weight: 400;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.skills-box,
.section-box {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.skills-box:hover,
.section-box:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 188, 212, 0.2);
  border-color: rgba(0, 188, 212, 0.3);
}

.skills-box h3,
.section-box h3 {
  color: var(--color-accent-pink);
  margin: 0 0 var(--spacing-md) 0;
  font-size: 1.3rem;
}

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

.skills-list span {
  display: inline-block;
  background: var(--color-bg-card);
  color: var(--color-accent-cyan);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9em;
  font-weight: 500;
  border: 1px solid rgba(0, 188, 212, 0.3);
  transition: all var(--transition-fast);
}

.skills-list span:hover {
  background: rgba(0, 188, 212, 0.2);
  transform: scale(1.05);
  border-color: var(--color-accent-cyan);
}

.section-box ul {
  list-style: none;
  padding: 0;
}

.section-box ul li {
  margin-bottom: var(--spacing-sm);
  border-left: 3px solid var(--color-accent-cyan);
  padding-left: var(--spacing-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.section-box ul li:hover {
  border-left-color: var(--color-accent-pink);
  padding-left: var(--spacing-md);
  color: var(--color-text-primary);
}

/* ===== EDUCATION SECTION ===== */
.education-section {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: var(--spacing-xl);
}

.education-section::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent-cyan), var(--color-accent-pink));
  opacity: 0.3;
}

.education-entry {
  display: flex;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.dot-indicator {
  position: absolute;
  left: 0;
  top: var(--spacing-xs);
  width: 16px;
  height: 16px;
  background-color: var(--color-accent-purple);
  border-radius: 50%;
  border: 3px solid var(--color-bg-primary);
  z-index: 2;
  box-shadow: 0 0 10px rgba(138, 122, 230, 0.6);
}

.entry-content {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  flex-grow: 1;
  margin-left: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}

.entry-content:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(138, 122, 230, 0.3);
  border-color: rgba(138, 122, 230, 0.3);
}

.degree-title {
  font-size: 1.5em;
  color: var(--color-accent-purple);
  font-weight: 600;
  margin: 0 0 var(--spacing-xs) 0;
}

.institution-info {
  color: var(--color-accent-pink);
  font-size: 1em;
  font-weight: 500;
  margin: 0 0 var(--spacing-md) 0;
}

.description {
  color: var(--color-text-secondary);
  font-size: 0.95em;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.sgpa-info {
  display: flex;
  gap: var(--spacing-xl);
  font-size: 1em;
  font-weight: 500;
  flex-wrap: wrap;
}

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

.sgpa-value {
  color: var(--color-accent-yellow);
  font-weight: 700;
  font-size: 1.1em;
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.contact-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-2xl);
  max-width: 1100px;
  margin: 0 auto;
}

/* Contact Details (Left Side) */
.contact-details-container {
  width: 48%;
  color: var(--color-text-primary);
}

.connect-title {
  font-size: 2.5rem;
  color: var(--color-accent-cyan);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.connect-text {
  font-size: 1em;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.info-item {
  display: flex;
  align-items: center;
  background-color: var(--color-bg-secondary);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 10px;
  border-left: 5px solid transparent;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.info-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.icon-wrapper {
  font-size: 1.3em;
  margin-right: var(--spacing-md);
  width: 45px;
  height: 45px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.text-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Icon Colors */
.phone-color {
  color: var(--color-accent-cyan);
  border: 2px solid var(--color-accent-cyan);
}

.email-color {
  color: var(--color-accent-pink);
  border: 2px solid var(--color-accent-pink);
}

.location-color {
  color: #FFC300;
  border: 2px solid #FFC300;
}

.time-color {
  color: #9b59b6;
  border: 2px solid #9b59b6;
}

/* Border Colors */
.phone-color-border {
  border-left-color: var(--color-accent-cyan);
}

.email-color-border {
  border-left-color: var(--color-accent-pink);
}

.location-color-border {
  border-left-color: #FFC300;
}

.time-color-border {
  border-left-color: #9b59b6;
}

/* Contact Form (Right Side) */
.form-container {
  width: 48%;
  background: var(--color-bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-container h3 {
  text-align: center;
  margin-top: 0;
  font-size: 1.8rem;
  color: var(--color-accent-pink);
  margin-bottom: var(--spacing-lg);
}

.form-container label {
  display: block;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-accent-cyan);
}

.form-container input[type="text"],
.form-container input[type="email"],
.form-container input[type="tel"],
.form-container textarea {
  width: 100%;
  padding: 12px var(--spacing-md);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-primary);
  font-family: 'Poppins', sans-serif;
  transition: all var(--transition-base);
  font-size: 0.95rem;
}

.form-container input:focus,
.form-container textarea:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1);
  transform: translateY(-2px);
}

.form-container textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
}

.send-message-btn,
.submit-btn {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl);
  margin-top: var(--spacing-xl);
  border: none;
  border-radius: 8px;
  background: var(--gradient-primary);
  color: white;
  font-weight: 700;
  font-size: 1.1em;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
  position: relative;
  overflow: hidden;
}

.send-message-btn::before,
.submit-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.send-message-btn:hover,
.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 188, 212, 0.5);
}

.send-message-btn:hover::before,
.submit-btn:hover::before {
  width: 400px;
  height: 400px;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  margin-top: var(--spacing-2xl);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer a {
  color: var(--color-accent-cyan);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-accent-cyan), var(--color-accent-pink));
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-accent-pink), var(--color-accent-cyan));
}

/* ===== SELECTION ===== */
::selection {
  background: var(--color-accent-cyan);
  color: #111;
}

::-moz-selection {
  background: var(--color-accent-cyan);
  color: #111;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --spacing-2xl: 30px;
    --spacing-3xl: 40px;
  }

  .navbar {
    padding: var(--spacing-md) var(--spacing-lg);
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  .nav-links {
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
  }

  .navbar a {
    margin: var(--spacing-xs);
    font-size: 0.9rem;
  }

  .hero {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }

  .buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .contact-wrapper {
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .contact-details-container,
  .form-container {
    width: 100%;
  }

  .personal-details-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .education-section {
    padding-left: var(--spacing-lg);
  }

  .entry-content {
    margin-left: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .profile-pic-container {
    width: 140px;
    height: 140px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section h2,
  .section-title,
  .connect-title {
    font-size: 1.8rem;
  }

  .form-container,
  .personal-details-grid {
    padding: var(--spacing-lg);
  }
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-accent-cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .navbar,
  .detail-card,
  .skills-box,
  .section-box,
  .entry-content,
  .form-container,
  .info-item {
    border-width: 2px;
  }

  .btn.outline {
    border-width: 3px;
  }
}

/* ===== LOADING STATES ===== */
.submit-btn:disabled,
.send-message-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.submit-btn.loading::after,
.send-message-btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ===== ERROR & SUCCESS MESSAGES ===== */
.error-message {
  color: #ff4444;
  font-size: 0.85rem;
  margin-top: 5px;
  display: block;
  animation: fadeIn 0.3s ease;
}

.success-message {
  background: rgba(0, 255, 240, 0.1);
  border: 2px solid var(--color-accent-cyan);
  border-radius: 10px;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-accent-cyan);
  text-align: center;
  font-weight: 600;
  margin-top: var(--spacing-lg);
  animation: slideDown 0.5s ease;
}

.error-notification {
  background: rgba(255, 68, 68, 0.1);
  border: 2px solid #ff4444;
  border-radius: 10px;
  padding: var(--spacing-md) var(--spacing-lg);
  color: #ff4444;
  text-align: center;
  font-weight: 600;
  margin-top: var(--spacing-lg);
  animation: slideDown 0.5s ease;
}

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

.success-message.hide,
.error-notification.hide {
  animation: slideUp 0.5s ease forwards;
}

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

.form-container input.error,
.form-container textarea.error {
  border-color: #ff4444;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

/* ===== CHARACTER COUNTER ===== */
.char-counter {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 5px;
  transition: color var(--transition-fast);
}

/* ===== ADDITIONAL ENHANCEMENTS ===== */

/* Smooth page transitions */
body {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Enhanced card interactions */
.detail-card,
.skills-box,
.section-box,
.info-item {
  position: relative;
  overflow: hidden;
}

.detail-card::before,
.skills-box::before,
.section-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(0, 188, 212, 0.1),
    transparent
  );
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.detail-card:hover::before,
.skills-box:hover::before,
.section-box:hover::before {
  opacity: 1;
  animation: shine 1.5s ease-in-out;
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* Improved focus states for form elements */
.form-container input:focus,
.form-container textarea:focus {
  position: relative;
  z-index: 1;
}

/* Tooltip styles (if needed) */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 8px 12px;
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-size: 0.85rem;
  white-space: nowrap;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  box-shadow: var(--shadow-md);
  z-index: 1000;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* Print styles */
@media print {
  .navbar,
  .buttons,
  footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .section,
  .contact {
    page-break-inside: avoid;
  }
}

/* Dark mode enhancements (if system preference) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #1a1a24;
  }
}

/* Light mode support (optional) */
@media (prefers-color-scheme: light) {
  body.light-mode {
    --color-bg-primary: #f5f5f5;
    --color-bg-secondary: #ffffff;
    --color-bg-card: #fafafa;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #4a4a4a;
  }
}