/* ==========================================
   Modern CSS with Dark/Light Theme Support
   ========================================== */

:root {
  /* Light theme colors */
  --bg-primary: #f0f4ff;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.95);
  --text-primary: #1a1d2e;
  --text-secondary: #4a5568;
  --border-color: rgba(74, 158, 255, 0.2);
  --shadow: 0 4px 6px rgba(74, 158, 255, 0.1);
  --shadow-hover: 0 8px 16px rgba(74, 158, 255, 0.2);
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --modal-bg: rgba(255, 255, 255, 0.98);
  --modal-overlay: rgba(0, 0, 0, 0.4);
  --payment-btn-bg: rgba(59, 130, 246, 0.1);
  --payment-btn-hover: rgba(59, 130, 246, 0.2);
  --card-glow: rgba(59, 130, 246, 0.1);
}

/* Light theme - automatically applied based on system preference */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f0f4ff;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.95);
    --text-primary: #1a1d2e;
    --text-secondary: #4a5568;
    --border-color: rgba(74, 158, 255, 0.2);
    --shadow: 0 4px 6px rgba(74, 158, 255, 0.1);
    --shadow-hover: 0 8px 16px rgba(74, 158, 255, 0.2);
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --modal-bg: rgba(255, 255, 255, 0.98);
    --modal-overlay: rgba(0, 0, 0, 0.4);
    --payment-btn-bg: rgba(59, 130, 246, 0.1);
    --payment-btn-hover: rgba(59, 130, 246, 0.2);
    --card-glow: rgba(59, 130, 246, 0.1);
  }
}

/* Dark theme colors - automatically applied based on system preference */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0c0d13;
    --bg-secondary: #1a1d2e;
    --bg-card: rgba(26, 29, 46, 0.95);
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.4);
    --accent-color: #5eb3ff;
    --accent-hover: #7ec4ff;
    --nav-bg: rgba(26, 29, 46, 0.9);
    --modal-bg: rgba(18, 20, 32, 0.98);
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --payment-btn-bg: rgba(94, 179, 255, 0.15);
    --payment-btn-hover: rgba(94, 179, 255, 0.25);
    --card-glow: rgba(94, 179, 255, 0.05);
  }
}

/* Override system preference when user manually toggles theme */
html[data-theme="light"] {
  --bg-primary: #f0f4ff;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.95);
  --text-primary: #1a1d2e;
  --text-secondary: #4a5568;
  --border-color: rgba(74, 158, 255, 0.2);
  --shadow: 0 4px 6px rgba(74, 158, 255, 0.1);
  --shadow-hover: 0 8px 16px rgba(74, 158, 255, 0.2);
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --modal-bg: rgba(255, 255, 255, 0.98);
  --modal-overlay: rgba(0, 0, 0, 0.4);
  --payment-btn-bg: rgba(59, 130, 246, 0.1);
  --payment-btn-hover: rgba(59, 130, 246, 0.2);
  --card-glow: rgba(59, 130, 246, 0.1);
}

html[data-theme="dark"] {
  --bg-primary: #0c0d13;
  --bg-secondary: #1a1d2e;
  --bg-card: rgba(26, 29, 46, 0.95);
  --text-primary: #e9ecef;
  --text-secondary: #adb5bd;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.4);
  --accent-color: #5eb3ff;
  --accent-hover: #7ec4ff;
  --nav-bg: rgba(26, 29, 46, 0.9);
  --modal-bg: rgba(18, 20, 32, 0.98);
  --modal-overlay: rgba(0, 0, 0, 0.7);
  --payment-btn-bg: rgba(94, 179, 255, 0.15);
  --payment-btn-hover: rgba(94, 179, 255, 0.25);
  --card-glow: rgba(94, 179, 255, 0.05);
}

/* ==========================================
   Base Styles
   ========================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
  transition: color 0.3s ease;
}

/* ==========================================
   Container & Layout
   ========================================== */

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  position: relative;
  z-index: 1;
}

/* ==========================================
   Theme Toggle Button
   ========================================== */

.theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(180deg);
  box-shadow: var(--shadow-hover);
}

.theme-toggle i {
  font-size: 1.25rem;
  color: var(--text-primary);
}

/* ==========================================
   Profile Section
   ========================================== */

.profile {
  text-align: center;
  margin-bottom: 2rem;
}

.profile-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid var(--accent-color);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  object-fit: cover;
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-hover);
}

/* ==========================================
   Card Styles
   ========================================== */

.nav-card,
.content-card,
.footer-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.nav-card:hover,
.content-card:hover {
  box-shadow: var(--shadow-hover);
}

/* ==========================================
   Navigation
   ========================================== */

.nav-card {
  position: relative;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.3s ease;
}

.nav-toggle:hover {
  color: var(--accent-color);
}

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.nav-links li {
  flex: 0 1 auto;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-links a:hover {
  background: var(--payment-btn-hover);
  color: var(--accent-color);
  transform: translateY(-2px);
}

.nav-links i {
  font-size: 1.1rem;
}

/* ==========================================
   Content Card
   ========================================== */

.content-card {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.content-card:hover::before {
  opacity: 1;
}

/* Intro Card */
.intro-card {
  text-align: left;
}

.intro-card h1 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.intro-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  text-align: justify;
}

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

.content-card h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 700;
}

.content-card .subtitle {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.content-card h2 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--text-primary);
  font-weight: 600;
}

.content-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
}

.content-card p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Experience Card */
.experience-header,
.skills-header,
.services-header,
.payment-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.experience-icon,
.skills-icon,
.services-icon,
.payment-icon {
  font-size: 1.5rem;
  color: var(--accent-color);
}

.experience-content {
  text-align: center;
}

.experience-item {
  background: var(--payment-btn-bg);
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.experience-item:hover {
  background: var(--payment-btn-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.experience-years {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.year-badge {
  background: var(--accent-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.year-separator {
  color: var(--accent-color);
  font-size: 1.5rem;
  font-weight: bold;
}

.experience-description {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Skills Card */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--payment-btn-bg);
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  cursor: default;
}

.skill-item:hover {
  background: var(--payment-btn-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent-color);
}

.skill-icon {
  font-size: 2rem;
  color: var(--accent-color);
  transition: all 0.3s ease;
}

.skill-item:hover .skill-icon {
  transform: scale(1.2);
  color: var(--accent-hover);
}

.skill-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Services Card */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.service-item {
  padding: 1.5rem;
  background: var(--payment-btn-bg);
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-align: center;
}

.service-item:hover {
  background: var(--payment-btn-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent-color);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.service-item:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  color: var(--accent-hover);
}

.service-item h3 {
  margin-bottom: 0.75rem;
}

.service-item p {
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.5;
}

/* Contact Card */
.contact-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

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

.contact-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--payment-btn-bg);
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}

.contact-item:hover {
  background: var(--payment-btn-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent-color);
}

.contact-item-icon {
  font-size: 2rem;
  color: var(--accent-color);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.contact-item:hover .contact-item-icon {
  transform: scale(1.1);
  color: var(--accent-hover);
}

.contact-info {
  text-align: left;
  flex: 1;
}

.contact-info h3 {
  font-size: 0.9rem;
  margin: 0 0 0.25rem 0;
  color: var(--text-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-info p {
  margin: 0;
  font-size: 1rem;
  color: var(--text-secondary);
  word-break: break-word;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================
   Payment Card & Buttons
   ========================================== */

.payment-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.payment-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
}

.payment-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.payment-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--payment-btn-bg);
  border-radius: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 2px solid var(--border-color);
  min-width: 120px;
}

.payment-btn-large {
  min-width: 140px;
}

.payment-btn:not(.payment-btn-disabled):hover {
  background: var(--payment-btn-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-color);
}

.payment-btn i {
  color: var(--accent-color);
  transition: all 0.3s ease;
}

.payment-btn:not(.payment-btn-disabled):hover i {
  transform: scale(1.1);
}

.payment-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.25rem;
}

.payment-btn-disabled {
  cursor: default;
  opacity: 0.6;
}

.payment-btn-disabled i,
.payment-btn-disabled .payment-label {
  color: var(--text-secondary);
}

/* ==========================================
   Footer
   ========================================== */

.footer-card {
  text-align: center;
  padding: 1.5rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--payment-btn-bg);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  color: var(--accent-color);
  font-size: 1.5rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: white;
  transform: translateY(-4px) rotate(5deg);
  box-shadow: var(--shadow-hover);
}

.footer-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.footer-legal {
  margin-top: 0.6rem;
  font-size: 0.8rem;
}

.footer-legal a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-legal-sep {
  color: var(--text-tertiary);
  margin: 0 0.4rem;
}

/* ==========================================
   Modal
   ========================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background: var(--modal-bg);
  border-radius: 1rem;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--payment-btn-hover);
}

.modal-body {
  padding: 2rem;
  color: var(--text-secondary);
}

.modal-body h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 600;
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.modal-body a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.modal-body a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ==========================================
   Toast Notification
   ========================================== */

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(200%);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border-color);
  z-index: 3000;
  transition: transform 0.3s ease;
  backdrop-filter: blur(10px);
  font-weight: 500;
}

.toast.active {
  transform: translateX(-50%) translateY(0);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 768px) {
  .theme-toggle {
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }

  .theme-toggle i {
    font-size: 1rem;
  }

  .container {
    padding: 1.5rem 1rem;
  }

  .profile-image {
    width: 120px;
    height: 120px;
  }

  .nav-card {
    padding: 1rem;
  }

  .nav-toggle {
    display: block;
    width: 100%;
    text-align: left;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    width: 100%;
    justify-content: center;
  }

  .content-card h1 {
    font-size: 2rem;
  }

  .content-card h2 {
    font-size: 1.5rem;
  }

  .content-card,
  .footer-card {
    padding: 1.5rem;
  }

  .payment-buttons {
    gap: 1rem;
  }

  .payment-btn-large {
    min-width: 120px;
    padding: 1.25rem;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .experience-years {
    gap: 0.75rem;
  }

  .year-badge {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }

  .modal-content {
    max-height: 85vh;
  }

  .modal-header,
  .modal-body {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .content-card h1 {
    font-size: 1.75rem;
  }

  .content-card h2 {
    font-size: 1.25rem;
  }

  .content-card p {
    font-size: 1rem;
  }

  .payment-btn-large {
    min-width: 100px;
    padding: 1rem;
  }

  .payment-btn i {
    font-size: 1.5rem;
  }

  .payment-label {
    font-size: 0.8rem;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skill-item {
    padding: 0.75rem;
  }

  .skill-icon {
    font-size: 1.5rem;
  }

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

  .service-icon {
    font-size: 2rem;
  }

  .contact-item {
    padding: 1rem;
  }

  .contact-item-icon {
    font-size: 1.5rem;
  }

  .contact-info h3 {
    font-size: 0.8rem;
  }

  .contact-info p {
    font-size: 0.9rem;
    white-space: normal;
  }

  .intro-text {
    font-size: 1rem;
    text-align: left;
  }

  .experience-years {
    flex-direction: column;
    gap: 0.5rem;
  }

  .year-separator {
    transform: rotate(90deg);
  }

  .social-btn {
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
  }
}

/* ==========================================
   Accessibility & Print Styles
   ========================================== */

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

@media print {

  .theme-toggle,
  .nav-card,
  .payment-buttons,
  .stars {
    display: none !important;
  }

  body {
    background: white !important;
  }

  .container {
    max-width: 100%;
  }

  .content-card,
  .footer-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}

/* ==========================================
   Focus Styles for Accessibility
   ========================================== */

a:focus,
button:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

*:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* ==========================================
   Animations & Effects
   ========================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* Apply fade-in animations to cards */
.profile {
  animation: fadeIn 0.6s ease-out;
}

.nav-card {
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.intro-card {
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.experience-card {
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.skills-card {
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.services-card {
  animation: fadeInUp 0.6s ease-out 0.5s both;
}

.contact-card {
  animation: fadeInUp 0.6s ease-out 0.6s both;
}

.payment-card {
  animation: fadeInUp 0.6s ease-out 0.7s both;
}

.footer-card {
  animation: fadeInUp 0.6s ease-out 0.8s both;
}

/* Floating animation for profile image */
.profile-image {
  animation: float 6s ease-in-out infinite;
}

/* Pulse animation for theme toggle on hover */
.theme-toggle:hover {
  animation: pulse 0.6s ease-in-out;
}

/* Stagger animation for skill items */
.skill-item {
  animation: fadeInUp 0.4s ease-out both;
}

.skill-item:nth-child(1) {
  animation-delay: 0.5s;
}

.skill-item:nth-child(2) {
  animation-delay: 0.55s;
}

.skill-item:nth-child(3) {
  animation-delay: 0.6s;
}

.skill-item:nth-child(4) {
  animation-delay: 0.65s;
}

.skill-item:nth-child(5) {
  animation-delay: 0.7s;
}

.skill-item:nth-child(6) {
  animation-delay: 0.75s;
}

.skill-item:nth-child(7) {
  animation-delay: 0.8s;
}

.skill-item:nth-child(8) {
  animation-delay: 0.85s;
}

.skill-item:nth-child(9) {
  animation-delay: 0.9s;
}

/* Stagger animation for service items */
.service-item {
  animation: fadeInUp 0.4s ease-out both;
}

.service-item:nth-child(1) {
  animation-delay: 0.6s;
}

.service-item:nth-child(2) {
  animation-delay: 0.7s;
}

.service-item:nth-child(3) {
  animation-delay: 0.8s;
}

/* Position relative for ::before top bar */
.content-card {
  position: relative;
}

/* Smooth scroll indicator (optional decorative element) */
.scroll-indicator {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--accent-color);
  animation: float 2s ease-in-out infinite;
  opacity: 0.6;
  z-index: 10;
  pointer-events: none;
}

/* Hide scroll indicator after scrolling */
body.scrolled .scroll-indicator {
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* Ripple effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: var(--accent-color);
  opacity: 0.6;
  pointer-events: none;
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
}

@keyframes ripple-animation {
  to {
    transform: scale(2);
    opacity: 0;
  }
}

/* Additional hover effects */
.nav-links a,
.payment-btn:not(.payment-btn-disabled) {
  position: relative;
  overflow: hidden;
}

/* Remove gradient for better visibility */

/* Add subtle box shadow to cards on hover for depth */
.nav-card,
.content-card,
.footer-card {
  transition: all 0.3s ease, transform 0.3s ease;
}