/* Dark Material Theme - Professional Black Material Design */
/* Overrides paper.css for Noah Tizon's Portfolio */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* Import Material Icons */
@import url('https://fonts.googleapis.com/icon?family=Material+Icons');

/* CSS Custom Properties for Dark Material Theme */
:root {
  /* Color Palette */
  --bg-primary: #0e0f11;        /* Main background */
  --bg-secondary: #181a1d;      /* Raised surfaces */
  --bg-elevated: #212428;       /* Higher elevation */
  --text-primary: #f2f2f4;      /* Primary text */
  --text-secondary: #b8bcc8;    /* Secondary text */
  --text-muted: #8a8d96;        /* Muted text */
  --accent-blue: #4aa8ff;       /* Accent color */
  --accent-blue-hover: #3a8ee6; /* Accent hover */
  
  /* Paper-like Material Design Shadows */
  --shadow-paper: 0 2px 4px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-paper-hover: 0 4px 8px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-paper-elevated: 0 8px 16px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.3);
  --shadow-paper-floating: 0 12px 24px rgba(0, 0, 0, 0.5), 0 6px 12px rgba(0, 0, 0, 0.4);
  
  /* Paper Textures - Subtle vintage look */
  --paper-texture: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
  --paper-grain: repeating-linear-gradient(45deg, transparent, transparent 2px, rgba(255,255,255,0.015) 2px, rgba(255,255,255,0.015) 4px);
  --paper-noise: repeating-conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(255,255,255,0.008) 1deg, transparent 2deg);
  --paper-aging: radial-gradient(ellipse at center, rgba(139,69,19,0.06) 0%, transparent 70%);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* Base Theme Overrides - Vintage Paper Look */
body {
  background-color: var(--bg-primary);
  background-image: 
    var(--paper-aging),
    var(--paper-texture),
    var(--paper-noise);
  background-size: 100% 100%, 15px 15px, 8px 8px;
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  position: relative;
}

/* Enhanced paper grain overlay for vintage texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    var(--paper-grain),
    repeating-radial-gradient(circle at 25% 25%, rgba(255,255,255,0.008) 0px, transparent 2px, transparent 4px);
  background-size: 4px 4px, 12px 12px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
}

/* Additional vintage paper aging effect */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse 800px 600px at 20% 80%, rgba(160,82,45,0.02) 0%, transparent 50%),
    radial-gradient(ellipse 600px 400px at 80% 20%, rgba(139,69,19,0.015) 0%, transparent 50%),
    radial-gradient(ellipse 400px 300px at 50% 50%, rgba(205,133,63,0.01) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.3;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  font-weight: 600;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Links */
a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: var(--accent-blue-hover);
  text-decoration: none;
}

/* Material Design Link Underline Effect */
a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--accent-blue);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}

/* Navigation - Vintage Paper-like appearance */
.nav {
  background-color: var(--bg-secondary);
  background-image: 
    var(--paper-aging),
    var(--paper-texture),
    var(--paper-noise);
  background-size: 100% 100%, 10px 10px, 5px 5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-paper);
}

.nav .container .flex {
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  background-color: var(--accent-blue);
}

/* Logo/Brand */
.brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
}

.brand::after {
  display: none;
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(74, 168, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(74, 168, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero-tagline {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-subtext {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-transform: none;
  letter-spacing: 0.5px;
}

.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::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-hover) 100%);
  color: white;
  box-shadow: var(--shadow-2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
  color: white;
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-1);
}

.btn-secondary:hover {
  background-color: var(--bg-elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  color: var(--text-primary);
}

/* Cards - Vintage Paper-like appearance */
.card {
  background-color: var(--bg-secondary);
  background-image: 
    var(--paper-aging),
    var(--paper-texture),
    var(--paper-noise);
  background-size: 100% 100%, 12px 12px, 6px 6px;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-paper);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}

/* Vintage paper aging spots on cards */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle 30px at 15% 20%, rgba(160,82,45,0.03) 0%, transparent 50%),
    radial-gradient(circle 20px at 85% 80%, rgba(139,69,19,0.025) 0%, transparent 50%),
    radial-gradient(circle 15px at 70% 30%, rgba(205,133,63,0.02) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0.4;
}

/* Paper-like edge effect */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-paper-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

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

.card:hover::after {
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  opacity: 0.6;
}

.card h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Experience Cards - Vintage Paper-like appearance */
.experience-card {
  background-color: var(--bg-secondary);
  background-image: 
    var(--paper-aging),
    var(--paper-texture),
    var(--paper-noise);
  background-size: 100% 100%, 12px 12px, 6px 6px;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-paper);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}

/* Vintage aging spots for experience cards */
.experience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle 25px at 10% 15%, rgba(160,82,45,0.025) 0%, transparent 50%),
    radial-gradient(circle 18px at 90% 85%, rgba(139,69,19,0.02) 0%, transparent 50%),
    radial-gradient(circle 12px at 60% 40%, rgba(205,133,63,0.015) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0.3;
}

/* Paper edge effect for experience cards */
.experience-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

/* Experience Header with Logo */
.experience-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.org-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.5rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

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

.experience-title {
  flex: 1;
}

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

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

.experience-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-paper-elevated);
  border-color: rgba(255, 255, 255, 0.12);
}

.experience-card:hover::after {
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  opacity: 0.6;
}

.experience-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.experience-org {
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 1rem;
}

.experience-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* Tags */
.tag {
  background-color: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  transition: all 0.2s ease;
}

.tag:hover {
  background-color: var(--accent-blue);
  color: white;
  transform: translateY(-1px);
}

/* Footer - Vintage Paper-like appearance */
.footer {
  background-color: var(--bg-secondary);
  background-image: 
    var(--paper-aging),
    var(--paper-texture),
    var(--paper-noise);
  background-size: 100% 100%, 10px 10px, 5px 5px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

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

/* Form Elements */
.form-input,
.form-textarea {
  background-color: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(74, 168, 255, 0.1);
  outline: none;
}

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

.form-label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-hover));
  border-radius: 2px;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    min-height: 60vh;
    padding: 2rem 0;
  }
  
  .hero-content {
    padding: 1rem;
  }
  
  .nav {
    padding: 0.75rem 0;
    position: relative;
  }
  
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .card,
  .experience-card {
    padding: 1.5rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  /* Contact page responsive */
  .contact-info,
  .contact-form-container {
    order: 2;
  }
  
  .contact-form-container {
    order: 1;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 50vh;
  }
  
  .card,
  .experience-card {
    padding: 1.25rem;
  }
  
  .btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
  }
}

/* Material Icons */
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.visible { display: block; }

.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }

/* Profile Image Styles */
.profile-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-image-wrapper {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-3);
  transition: transform 0.3s ease;
}

.profile-image-wrapper:hover {
  transform: scale(1.05);
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.3s ease;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(74, 168, 255, 0.1) 0%, rgba(74, 168, 255, 0.3) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.profile-image-wrapper:hover .image-overlay {
  opacity: 1;
}

/* Education Section */
.education-section h3 {
  color: var(--text-primary);
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.education-section .card {
  background-color: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.education-section h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.education-section .text-muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Resume Section */
.resume-section {
  margin-top: 2rem;
}

/* Skills Cards */
.skills-card .material-icons {
  transition: transform 0.3s ease;
}

.skills-card:hover .material-icons {
  transform: scale(1.1);
}

/* Contact Page Styles */
.contact-info h2 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.contact-method {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-method:last-child {
  border-bottom: none;
}

.contact-link {
  color: var(--accent-blue);
  font-size: 1rem;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--accent-blue-hover);
}

.response-info {
  background-color: var(--bg-elevated);
  border: 1px solid rgba(74, 168, 255, 0.2);
}

.response-info h4 {
  color: var(--text-primary);
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.response-info p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* Contact Form */
.contact-form-container .card {
  background-color: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form-container h3 {
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 1.5rem;
}

.form-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* Form Validation States */
.form-input:valid,
.form-textarea:valid {
  border-color: rgba(74, 168, 255, 0.5);
}

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: #ff6b6b;
}

/* Contact Method Icons */
.contact-method .material-icons {
  transition: transform 0.3s ease;
}

.contact-method:hover .material-icons {
  transform: scale(1.1);
}

/* Advanced Nested Selectors Examples */

/* Nested selector: Form validation states */
.contact-form .form-group input:focus + .form-label,
.contact-form .form-group textarea:focus + .form-label {
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* Nested selector: Experience card interactions */
.experience-card:hover .experience-header .org-logo {
  transform: scale(1.1);
  filter: brightness(1.2);
}

.experience-card:hover .experience-title h3 {
  color: var(--accent-blue);
}

/* Nested selector: Navigation state management */
.nav-links li:first-child a {
  border-left: 3px solid transparent;
}

.nav-links li:last-child a {
  border-right: 3px solid transparent;
}

.nav-links li a:hover,
.nav-links li a:focus {
  border-left: 3px solid var(--accent-blue);
  padding-left: calc(0.5rem - 3px);
}

/* Nested selector: Card hover effects with multiple elements */
.card:hover .material-icons,
.experience-card:hover .experience-header .org-logo,
.skills-card:hover .material-icons {
  transform: scale(1.1);
  color: var(--accent-blue);
}

/* Nested selector: Form group validation feedback */
.form-group input:invalid:not(:placeholder-shown) ~ .form-label::after,
.form-group textarea:invalid:not(:placeholder-shown) ~ .form-label::after {
  content: " *";
  color: #ff6b6b;
}

.form-group input:valid:not(:placeholder-shown) ~ .form-label::after,
.form-group textarea:valid:not(:placeholder-shown) ~ .form-label::after {
  content: " ✓";
  color: #4caf50;
}

/* Nested selector: Hero section button interactions */
.hero .btn:hover + .btn {
  transform: translateY(-2px);
}

.hero .btn:active {
  transform: translateY(0);
}

/* Nested selector: Footer link interactions */
.footer a:hover span.material-icons {
  transform: rotate(45deg);
  color: var(--accent-blue);
}

/* Nested selector: Tag interactions within experience cards */
.experience-card .tags .tag:hover {
  background-color: var(--accent-blue);
  color: white;
  transform: translateY(-2px);
}

.experience-card .tags .tag:nth-child(odd):hover {
  transform: translateY(-2px) rotate(1deg);
}

.experience-card .tags .tag:nth-child(even):hover {
  transform: translateY(-2px) rotate(-1deg);
}

/* Responsive Profile Image */
@media (max-width: 768px) {
  .profile-image-wrapper {
    width: 250px;
    height: 250px;
  }
  
  .about-content {
    order: 2;
  }
  
  .profile-image-container {
    order: 1;
  }
}

@media (max-width: 480px) {
  .profile-image-wrapper {
    width: 200px;
    height: 200px;
  }
}

/* Typewriter Animation */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
  margin: 0 auto;
  position: relative;
  animation: typing 2.5s steps(11, end) forwards;
}

.typewriter::after {
  content: '';
  border-right: 2px solid var(--accent-blue);
  animation: blink-caret 1.2s step-end infinite 2.5s;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent-blue); }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-in;
}

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

.slide-up {
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}