/* =========================================
   PORTFOLIO STYLES - RYAN RODRIGUES
   Estilos completos corrigidos
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* =========================================
   CSS VARIABLES E SISTEMA DE TEMAS
   ========================================= */

:root {
  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border-color: #e5e7eb;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Brand Colors */
  --primary-green: #16a34a;
  --primary-green-hover: #15803d;
  --primary-green-light: #22c55e;
  --gradient-start: #01aa1d;
  --gradient-end: #3bff93;
  
  /* Component Colors */
  --nav-bg: rgba(255, 255, 255, 0.95);
  --card-bg: var(--bg-primary);
  --input-bg: var(--bg-primary);
  --button-primary: var(--primary-green);
  --button-primary-hover: var(--primary-green-hover);
  
  /* Contact Section */
  --contact-bg: #000000;
  --contact-text: #ffffff;
  --contact-text-secondary: #d1d5db;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* Dark Theme Colors */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border-color: #475569;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  
  --nav-bg: rgba(15, 23, 42, 0.95);
  --card-bg: var(--bg-secondary);
  --input-bg: var(--bg-tertiary);
  --button-primary: var(--primary-green-light);
  --button-primary-hover: var(--primary-green);
  
  /* Contact stays black in both themes */
  --contact-bg: #000000;
  --contact-text: #ffffff;
  --contact-text-secondary: #d1d5db;
}

/* Auto Dark Theme (system preference) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: #475569;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    
    --nav-bg: rgba(15, 23, 42, 0.95);
    --card-bg: var(--bg-secondary);
    --input-bg: var(--bg-tertiary);
    --button-primary: var(--primary-green-light);
    --button-primary-hover: var(--primary-green);
  }
}

/* =========================================
   BASE STYLES
   ========================================= */

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

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   GRADIENT TEXT
   ========================================= */

.gradient-text {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* =========================================
   NAVIGATION STYLES
   ========================================= */

.navbar {
  background-color: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-normal);
}

.navbar-brand {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-green);
  background-color: rgba(22, 163, 74, 0.1);
}

.nav-link:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.contact-btn {
  background-color: var(--button-primary) !important;
  color: white !important;
  border: none;
}

.contact-btn:hover {
  background-color: var(--button-primary-hover) !important;
  color: white !important;
}

/* =========================================
   MOBILE MENU STYLES
   ========================================= */

.mobile-menu {
  background-color: var(--nav-bg);
  border-top: 1px solid var(--border-color);
  box-shadow: var(--shadow-medium);
  padding: 1rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mobile-menu-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0.5rem;
  margin: 0.25rem 0;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.mobile-menu-item:hover {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--primary-green);
}

.mobile-menu-item.contact-btn {
  background-color: var(--button-primary);
  color: white;
  text-align: center;
  margin-top: 1rem;
}

.mobile-menu-item.contact-btn:hover {
  background-color: var(--button-primary-hover);
  color: white;
}

/* =========================================
   THEME TOGGLE STYLES
   ========================================= */

.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
  transform: scale(1.05);
}

.theme-toggle:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.theme-toggle i {
  font-size: 1rem;
  transition: transform var(--transition-normal);
}

.theme-toggle.rotating i {
  transform: rotate(360deg);
}

/* Mobile theme toggle */
.mobile-theme-toggle {
  width: 100%;
  padding: 0.75rem 1rem;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.mobile-theme-toggle:hover {
  background-color: rgba(22, 163, 74, 0.1);
  border-color: var(--primary-green);
  color: var(--primary-green);
}

/* =========================================
   LANGUAGE TOGGLE STYLES
   ========================================= */

.language-toggle {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
  font-size: 0.875rem;
}

.language-toggle:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
  background-color: rgba(22, 163, 74, 0.1);
}

.language-toggle:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.mobile-language-toggle {
  width: 100%;
  justify-content: center;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
}

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

/* =========================================
   HAMBURGER MENU STYLES
   ========================================= */

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.hamburger:hover {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--primary-green);
}

.hamburger:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.hamburger svg {
  width: 1.5rem;
  height: 1.5rem;
  transition: transform var(--transition-normal);
}

.hamburger.active svg {
  transform: rotate(90deg);
}

/* =========================================
   HERO SECTION STYLES
   ========================================= */

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: 3rem;
  }
}

#typed-text {
  color: var(--text-primary) !important;
  transition: color var(--transition-normal);
}

/* Cursor do Typed.js */
.typed-cursor {
  color: var(--primary-green) !important;
}

/* =========================================
   HERO EFFECTS
   ========================================= */

.holographic-frame {
  width: 300px;
  height: 300px;
  background: conic-gradient(
    from 180deg at 50% 50%,
    var(--gradient-start),
    var(--gradient-end),
    var(--gradient-start)
  );
  background-size: 200% 200%;
  animation: gradientRotate 8s linear infinite;
  filter: blur(10px);
  opacity: 0.7;
  z-index: -1;
  margin: -20px;
}

.holographic-border {
  position: absolute;
  inset: 2px;
  background: var(--bg-primary);
  border-radius: 50%;
}

.profile-container {
  perspective: 1000px;
}

.particles {
  background: radial-gradient(circle at center, rgba(0, 255, 13, 0.1) 0%, transparent 70%);
  animation: particlePulse 4s infinite alternate;
}

.abstract-bg {
  background: linear-gradient(135deg, rgba(0, 255, 106, 0.03) 0%, rgba(21, 255, 0, 0.03) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 70% 30%, rgba(43, 255, 0, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 30% 70%, rgba(21, 255, 0, 0.15) 0%, transparent 25%);
  animation: float 12s infinite ease-in-out;
}

/* =========================================
   CARD STYLES
   ========================================= */

.card-hover {
  transition: all var(--transition-normal);
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.project-card {
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

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

/* =========================================
   PROJECT OVERLAY COLORS
   ========================================= */

.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-overlay-green {
  background-color: rgba(22, 163, 74, 0.85);
}

.project-overlay-purple {
  background-color: rgba(147, 51, 234, 0.85);
}

.project-overlay-blue {
  background-color: rgba(59, 130, 246, 0.85);
}

.project-overlay-orange {
  background-color: rgba(249, 115, 22, 0.85);
}

.project-overlay-pink {
  background-color: rgba(236, 72, 153, 0.85);
}

.project-overlay-gray {
  background-color: rgba(107, 114, 128, 0.85);
}

.project-overlay a,
.project-overlay span {
  color: white;
  padding: 0.5rem 1rem;
  border: 2px solid white;
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.project-overlay a:hover {
  background-color: white;
  color: var(--text-primary);
}

/* =========================================
   PROJECT TAGS
   ========================================= */

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.project-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

/* Green project tags */
.project-tag-green {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--primary-green);
  border: 1px solid rgba(22, 163, 74, 0.2);
}

[data-theme="dark"] .project-tag-green {
  background-color: rgba(34, 197, 94, 0.2);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

/* Purple project tags */
.project-tag-purple {
  background-color: rgba(147, 51, 234, 0.1);
  color: #9333ea;
  border: 1px solid rgba(147, 51, 234, 0.2);
}

[data-theme="dark"] .project-tag-purple {
  background-color: rgba(168, 85, 247, 0.2);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Blue project tags */
.project-tag-blue {
  background-color: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .project-tag-blue {
  background-color: rgba(96, 165, 250, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

/* Orange project tags */
.project-tag-orange {
  background-color: rgba(249, 115, 22, 0.1);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

[data-theme="dark"] .project-tag-orange {
  background-color: rgba(251, 146, 60, 0.2);
  color: #fb923c;
  border: 1px solid rgba(251, 146, 60, 0.3);
}

/* Pink project tags */
.project-tag-pink {
  background-color: rgba(236, 72, 153, 0.1);
  color: #ec4899;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

[data-theme="dark"] .project-tag-pink {
  background-color: rgba(244, 114, 182, 0.2);
  color: #f472b6;
  border: 1px solid rgba(244, 114, 182, 0.3);
}

/* =========================================
   SKILL STYLES
   ========================================= */

.skill-bar {
  transition: width 1.5s ease-in-out;
  background-color: var(--bg-tertiary);
}

.skill-cards {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Garantir que a seção skills seja sempre visível */
#skills {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-height: 400px;
}

/* Cards individuais das skills */
.skill-cards > div {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

@media (min-width: 768px) {
  .skill-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =========================================
   CONTACT SECTION STYLES
   ========================================= */

#contact {
  background-color: var(--contact-bg) !important;
  color: var(--contact-text) !important;
}

#contact h2 {
  color: var(--contact-text) !important;
}

#contact p {
  color: var(--contact-text-secondary) !important;
}

#contact .contact-form {
  background-color: var(--contact-bg) !important;
  border: 1px solid #374151 !important;
}

#contact .contact-form input,
#contact .contact-form textarea {
  background-color: #374151 !important;
  color: var(--contact-text) !important;
  border: 1px solid #4b5563 !important;
}

#contact .contact-form input:focus,
#contact .contact-form textarea:focus {
  border-color: var(--primary-green) !important;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1) !important;
}

#contact .contact-form label {
  color: var(--contact-text) !important;
}

#contact .text-gray-400 {
  color: var(--contact-text-secondary) !important;
}

/* =========================================
   UTILITY CLASSES
   ========================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-primary {
  color: var(--text-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.bg-primary {
  background-color: var(--bg-primary) !important;
}

.bg-secondary {
  background-color: var(--bg-secondary) !important;
}

.bg-white {
  background-color: var(--bg-primary) !important;
}

.bg-gray-50 {
  background-color: var(--bg-secondary) !important;
}

.text-gray-600 {
  color: var(--text-secondary) !important;
}

.text-gray-800 {
  color: var(--text-primary) !important;
}

.border-gray-200 {
  border-color: var(--border-color) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-light) !important;
}

.shadow-xl {
  box-shadow: var(--shadow-large) !important;
}

/* Override Tailwind classes for theme consistency */
.bg-green-600 {
  background-color: var(--button-primary) !important;
}

.hover\:bg-green-700:hover {
  background-color: var(--button-primary-hover) !important;
}

.text-green-600 {
  color: var(--primary-green) !important;
}

.hover\:text-green-600:hover {
  color: var(--primary-green) !important;
}

.bg-black {
  background-color: #000000 !important;
}

/* =========================================
   ANIMATIONS
   ========================================= */

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

@keyframes gradientRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

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

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-rotate {
  animation: rotate 20s linear infinite;
}

/* Loading state */
body:not(.loaded) {
  opacity: 0;
}

body.loaded {
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

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

@media (max-width: 640px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  
  .skill-cards {
    grid-template-columns: 1fr;
  }
  
  .project-card {
    margin-bottom: 2rem;
  }
  
  .contact-section {
    flex-direction: column;
  }
  
  .contact-form {
    margin-top: 2rem;
  }

  body {
    font-size: 14px;
  }
  
  .navbar-brand {
    font-size: 1.1rem;
  }
  
  .mobile-menu {
    padding: 0.75rem;
  }
  
  .mobile-menu-item {
    padding: 0.625rem 0.75rem;
  }
}

/* =========================================
   ACCESSIBILITY IMPROVEMENTS
   ========================================= */

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

a:focus, button:focus, input:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.focus-visible {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

/* =========================================
   SCROLL TO TOP BUTTON
   ========================================= */

#back-to-top {
  background-color: var(--button-primary);
  transition: all var(--transition-normal);
}

#back-to-top:hover {
  background-color: var(--button-primary-hover);
}

/* =========================================
   PRINT STYLES
   ========================================= */

@media print {
  .navbar,
  .mobile-menu,
  .theme-toggle,
  .hamburger,
  #back-to-top {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt;
  }
  
  .gradient-text {
    background: none !important;
    color: black !important;
    -webkit-text-fill-color: black !important;
  }
  
  a {
    text-decoration: underline;
  }
  
  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* =========================================
   ANIMAÇÕES RESPONSIVAS PARA SEÇÕES
   ========================================= */

/* Animações para Skills/Stacks */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Classes de animação */
.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out forwards;
}

/* Skills Grid - Animação escalonada */
.skill-cards > div:nth-child(1) {
  animation-delay: 0.1s;
}

.skill-cards > div:nth-child(2) {
  animation-delay: 0.2s;
}

.skill-cards > div:nth-child(3) {
  animation-delay: 0.3s;
}

.skill-cards > div:nth-child(4) {
  animation-delay: 0.4s;
}

/* Projects Grid - Animação escalonada */
.project-card:nth-child(1) {
  animation-delay: 0.1s;
}

.project-card:nth-child(2) {
  animation-delay: 0.2s;
}

.project-card:nth-child(3) {
  animation-delay: 0.3s;
}

.project-card:nth-child(4) {
  animation-delay: 0.4s;
}

.project-card:nth-child(5) {
  animation-delay: 0.5s;
}

.project-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* Experience Cards - Animação alternada */
#experience .bg-white:nth-child(odd) {
  animation: slideInLeft 0.6s ease-out forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

#experience .bg-white:nth-child(even) {
  animation: slideInRight 0.6s ease-out forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

/* Hover Effects Enhanced */
.skill-cards > div:hover {
  transform: translateY(-10px) scale(1.05);
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  transition: all var(--transition-normal);
}

#experience .bg-white:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-large);
  transition: all var(--transition-normal);
}

/* Responsive Animations */
@media (max-width: 768px) {
  .animate-slide-in-left,
  .animate-slide-in-right {
    animation: slideInUp 0.6s ease-out forwards;
  }
  
  .skill-cards > div:hover {
    transform: translateY(-5px) scale(1.02);
  }
  
  .project-card:hover {
    transform: translateY(-5px) scale(1.01);
  }
  
  #experience .bg-white:hover {
    transform: translateX(5px);
  }
}

/* States iniciais para animações */
.skill-cards > div,
.project-card,
#experience .bg-white,
#experience-personal .bg-white,
.education-card {
  opacity: 0;
  transform: translateY(30px);
}

.skill-cards > div.animate-fade-in,
.project-card.animate-fade-in,
#experience .bg-white.animate-fade-in,
#experience-personal .bg-white.animate-fade-in,
.education-card.animate-fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease-out;
}

/* =========================================
   ANIMAÇÕES INTERATIVAS AVANÇADAS
   ========================================= */

/* Animações de entrada mais dinâmicas */
@keyframes bounceInLeft {
  0% {
    opacity: 0;
    transform: translateX(-100px) scale(0.3);
  }
  50% {
    opacity: 1;
    transform: translateX(10px) scale(1.05);
  }
  70% {
    transform: translateX(-5px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes bounceInRight {
  0% {
    opacity: 0;
    transform: translateX(100px) scale(0.3);
  }
  50% {
    opacity: 1;
    transform: translateX(-10px) scale(1.05);
  }
  70% {
    transform: translateX(5px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes flipIn {
  0% {
    opacity: 0;
    transform: rotateY(-90deg) scale(0.8);
  }
  50% {
    opacity: 1;
    transform: rotateY(10deg) scale(1.1);
  }
  100% {
    opacity: 1;
    transform: rotateY(0) scale(1);
  }
}

@keyframes zoomInRotate {
  0% {
    opacity: 0;
    transform: scale(0.5) rotate(-10deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.1) rotate(5deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

@keyframes slideInScale {
  0% {
    opacity: 0;
    transform: translateY(50px) scale(0.8);
  }
  60% {
    opacity: 1;
    transform: translateY(-10px) scale(1.05);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Classes de animação avançadas */
.animate-bounce-in-left {
  animation: bounceInLeft 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.animate-bounce-in-right {
  animation: bounceInRight 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.animate-flip-in {
  animation: flipIn 0.7s ease-out forwards;
  transform-style: preserve-3d;
}

.animate-zoom-in-rotate {
  animation: zoomInRotate 0.6s ease-out forwards;
}

.animate-slide-in-scale {
  animation: slideInScale 0.7s ease-out forwards;
}

/* =========================================
   HOVER EFFECTS AVANÇADOS
   ========================================= */

/* Skills Cards - Hover 3D */
.skill-cards > div {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
  cursor: pointer;
}

.skill-cards > div:hover {
  transform: translateY(-15px) rotateX(10deg) rotateY(5deg) scale(1.08);
  box-shadow: 
    0 25px 50px rgba(22, 163, 74, 0.2),
    0 15px 35px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.skill-cards > div:hover .devicon-javascript-plain { animation: pulse 1s infinite; }
.skill-cards > div:hover .devicon-python-plain { animation: bounce 1s infinite; }
.skill-cards > div:hover i { transform: scale(1.2); transition: all 0.3s ease; }

/* Project Cards - Hover com perspectiva */
.project-card {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(22, 163, 74, 0.1), transparent);
  transition: left 0.5s ease;
  z-index: 1;
}

.project-card:hover::before {
  left: 100%;
}

.project-card:hover {
  transform: translateY(-12px) rotateX(5deg) scale(1.03);
  box-shadow: 
    0 20px 40px rgba(22, 163, 74, 0.15),
    0 10px 25px rgba(0, 0, 0, 0.1);
}

.project-card:hover img {
  transform: scale(1.1);
  filter: brightness(1.1) contrast(1.1);
}

.project-card:hover .project-tag {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Experience Cards - Hover com movimento lateral */
#experience .bg-white,
#experience-personal .bg-white {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

#experience .bg-white::after,
#experience-personal .bg-white::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(to bottom, #16a34a, #22c55e);
  transition: height 0.4s ease;
}

#experience .bg-white:hover,
#experience-personal .bg-white:hover {
  transform: translateX(15px) scale(1.02);
  box-shadow: 
    -5px 10px 30px rgba(22, 163, 74, 0.1),
    0 5px 20px rgba(0, 0, 0, 0.05);
}

#experience .bg-white:hover::after,
#experience-personal .bg-white:hover::after {
  height: 100%;
}

#experience .bg-white:hover .project-tag,
#experience-personal .bg-white:hover .project-tag {
  transform: scale(0.95);
  opacity: 0.9;
}

/* Education Cards - Hover com rotação */
section:last-of-type .bg-white {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}

section:last-of-type .bg-white:hover {
  transform: translateY(-10px) rotateZ(2deg) scale(1.05);
  box-shadow: 
    0 15px 30px rgba(22, 163, 74, 0.15),
    0 5px 15px rgba(0, 0, 0, 0.1);
}

section:last-of-type .bg-white:hover i {
  transform: rotateY(360deg) scale(1.2);
  transition: all 0.6s ease;
}

/* =========================================
   MICRO-INTERAÇÕES
   ========================================= */

/* Pulse animation para ícones */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Bounce animation */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Floating animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

/* Tags com animação */
.project-tag {
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.project-tag::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 0.4s ease;
}

.project-tag:hover::before {
  left: 100%;
}

.project-tag:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* =========================================
   RESPONSIVIDADE AVANÇADA
   ========================================= */

@media (max-width: 768px) {
  .animate-bounce-in-left,
  .animate-bounce-in-right {
    animation: slideInScale 0.6s ease-out forwards;
  }
  
  .skill-cards > div:hover {
    transform: translateY(-8px) scale(1.03);
  }
  
  .project-card:hover {
    transform: translateY(-8px) scale(1.02);
  }
  
  #experience .bg-white:hover,
  #experience-personal .bg-white:hover {
    transform: translateX(8px) scale(1.01);
  }
  
  section:last-of-type .bg-white:hover {
    transform: translateY(-5px) scale(1.02);
  }
}

@media (max-width: 480px) {
  .skill-cards > div:hover {
    transform: translateY(-5px) scale(1.02);
  }
  
  .project-card:hover {
    transform: translateY(-5px) scale(1.01);
  }
  
  #experience .bg-white:hover,
  #experience-personal .bg-white:hover {
    transform: translateX(5px);
  }
}

/* Floating animation para elementos */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

/* Pulse suave para skills */
@keyframes pulseSkill {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.1);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.15);
  }
}

/* Brilho suave */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.floating-card {
  animation: none; /* Remove o float vertical */
}

/* Skills Cards - Animação suave sem movimento vertical */
.skill-cards > div {
  animation: pulseSkill 3s ease-in-out infinite;
}

.skill-cards > div:nth-child(1) {
  animation-delay: 0s;
}

.skill-cards > div:nth-child(2) {
  animation-delay: 0.5s;
}

.skill-cards > div:nth-child(3) {
  animation-delay: 1s;
}

.skill-cards > div:nth-child(4) {
  animation-delay: 1.5s;
}

/* Hover effect melhorado para skills */
.skill-cards > div:hover {
  animation-play-state: paused;
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 15px 35px rgba(22, 163, 74, 0.2);
  background: var(--card-bg);
}

/* Shimmer effect no hover */
.skill-cards > div::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 25%,
    rgba(22, 163, 74, 0.1) 50%,
    transparent 75%
  );
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  border-radius: inherit;
}

.skill-cards > div:hover::before {
  opacity: 1;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* =========================================
   EFEITOS DE PARTÍCULAS E FUNDO
   ========================================= */

/* Efeito de partículas dinâmicas */
@keyframes particle-float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 1;
  }
  33% {
    transform: translateY(-10px) rotate(120deg);
    opacity: 0.8;
  }
  66% {
    transform: translateY(5px) rotate(240deg);
    opacity: 0.6;
  }
}

.card-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.card-particles::before,
.card-particles::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: radial-gradient(circle, #16a34a, #22c55e);
  border-radius: 50%;
  animation: particle-float 3s ease-in-out infinite;
  opacity: 0;
}

.card-particles::before {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.card-particles::after {
  top: 70%;
  right: 15%;
  animation-delay: 1.5s;
}

/* =========================================
   SCROLL SNAP E SMOOTH BEHAVIOR
   ========================================= */

html {
  scroll-behavior: smooth;
}

/* Smooth scroll para navegação */
section {
  scroll-margin-top: 80px;
}

/* =========================================
   LOADING STATES E SKELETON
   ========================================= */

.loading-skeleton {
  background: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e0e0e0 50%,
    #f0f0f0 75%
  );
  background-size: 200% 100%;
  animation: loading-wave 2s infinite;
}

@keyframes loading-wave {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* =========================================
   ACCESSIBILITY IMPROVEMENTS
   ========================================= */

/* Focus states melhorados */
.skill-cards > div:focus,
.project-card:focus,
#experience .bg-white:focus,
#experience-personal .bg-white:focus,
.education-card:focus {
  outline: 3px solid #16a34a;
  outline-offset: 2px;
  transform: scale(1.02);
}

/* Reduced motion para acessibilidade */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .floating-card {
    animation: none;
  }
}

/* =========================================
   PERFORMANCE OPTIMIZATIONS
   ========================================= */

/* GPU acceleration para animações */
.skill-cards > div,
.project-card,
#experience .bg-white,
#experience-personal .bg-white,
.education-card {
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

/* Otimização para mobile */
@media (max-width: 768px) {
  .skill-cards > div,
  .project-card,
  #experience .bg-white,
  #experience-personal .bg-white,
  .education-card {
    will-change: auto;
  }
}

/* =========================================
   DARK MODE COMPATIBILITY
   ========================================= */

[data-theme="dark"] .skill-cards > div:hover {
  box-shadow: 
    0 25px 50px rgba(34, 197, 94, 0.3),
    0 15px 35px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: 
    0 20px 40px rgba(34, 197, 94, 0.25),
    0 10px 25px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] #experience .bg-white:hover,
[data-theme="dark"] #experience-personal .bg-white:hover {
  box-shadow: 
    -5px 10px 30px rgba(34, 197, 94, 0.2),
    0 5px 20px rgba(0, 0, 0, 0.1);
}

/* =========================================
   INTERACTIVE CURSOR EFFECTS
   ========================================= */

.skill-cards > div,
.project-card,
#experience .bg-white,
#experience-personal .bg-white,
.education-card {
  cursor: pointer;
  position: relative;
}

.skill-cards > div::before,
.project-card::before,
#experience .bg-white::before,
#experience-personal .bg-white::before,
.education-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(22, 163, 74, 0.1) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  border-radius: inherit;
}

.skill-cards > div:hover::before,
.project-card:hover::before,
#experience .bg-white:hover::before,
#experience-personal .bg-white:hover::before,
.education-card:hover::before {
  opacity: 1;
}

/* =========================================
   BASE STYLES
   ========================================= */

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

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   GRADIENT TEXT
   ========================================= */

.gradient-text {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* =========================================
   NAVIGATION STYLES
   ========================================= */

.navbar {
  background-color: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-normal);
}

.navbar-brand {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-green);
  background-color: rgba(22, 163, 74, 0.1);
}

.nav-link:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.contact-btn {
  background-color: var(--button-primary) !important;
  color: white !important;
  border: none;
}

.contact-btn:hover {
  background-color: var(--button-primary-hover) !important;
  color: white !important;
}

/* =========================================
   MOBILE MENU STYLES
   ========================================= */

.mobile-menu {
  background-color: var(--nav-bg);
  border-top: 1px solid var(--border-color);
  box-shadow: var(--shadow-medium);
  padding: 1rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mobile-menu-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0.5rem;
  margin: 0.25rem 0;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.mobile-menu-item:hover {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--primary-green);
}

.mobile-menu-item.contact-btn {
  background-color: var(--button-primary);
  color: white;
  text-align: center;
  margin-top: 1rem;
}

.mobile-menu-item.contact-btn:hover {
  background-color: var(--button-primary-hover);
  color: white;
}

/* =========================================
   THEME TOGGLE STYLES
   ========================================= */

.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
  transform: scale(1.05);
}

.theme-toggle:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.theme-toggle i {
  font-size: 1rem;
  transition: transform var(--transition-normal);
}

.theme-toggle.rotating i {
  transform: rotate(360deg);
}

/* Mobile theme toggle */
.mobile-theme-toggle {
  width: 100%;
  padding: 0.75rem 1rem;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.mobile-theme-toggle:hover {
  background-color: rgba(22, 163, 74, 0.1);
  border-color: var(--primary-green);
  color: var(--primary-green);
}

/* =========================================
   HAMBURGER MENU STYLES
   ========================================= */

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.hamburger:hover {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--primary-green);
}

.hamburger:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.hamburger svg {
  width: 1.5rem;
  height: 1.5rem;
  transition: transform var(--transition-normal);
}

.hamburger.active svg {
  transform: rotate(90deg);
}

/* =========================================
   HERO SECTION STYLES
   ========================================= */

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: 3rem;
  }
}

#typed-text {
  color: var(--text-primary) !important;
  transition: color var(--transition-normal);
}

/* Cursor do Typed.js */
.typed-cursor {
  color: var(--primary-green) !important;
}

/* =========================================
   HERO EFFECTS
   ========================================= */

.holographic-frame {
  width: 300px;
  height: 300px;
  background: conic-gradient(
    from 180deg at 50% 50%,
    var(--gradient-start),
    var(--gradient-end),
    var(--gradient-start)
  );
  background-size: 200% 200%;
  animation: gradientRotate 8s linear infinite;
  filter: blur(10px);
  opacity: 0.7;
  z-index: -1;
  margin: -20px;
}

.holographic-border {
  position: absolute;
  inset: 2px;
  background: var(--bg-primary);
  border-radius: 50%;
}

.profile-container {
  perspective: 1000px;
}

.particles {
  background: radial-gradient(circle at center, rgba(0, 255, 13, 0.1) 0%, transparent 70%);
  animation: particlePulse 4s infinite alternate;
}

.abstract-bg {
  background: linear-gradient(135deg, rgba(0, 255, 106, 0.03) 0%, rgba(21, 255, 0, 0.03) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 70% 30%, rgba(43, 255, 0, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 30% 70%, rgba(21, 255, 0, 0.15) 0%, transparent 25%);
  animation: float 12s infinite ease-in-out;
}

/* =========================================
   CARD STYLES
   ========================================= */

.card-hover {
  transition: all var(--transition-normal);
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.project-card {
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

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

/* =========================================
   PROJECT OVERLAY COLORS
   ========================================= */

.project-overlay-green {
  background-color: rgba(22, 163, 74, 0.85);
}

.project-overlay-purple {
  background-color: rgba(147, 51, 234, 0.85);
}

.project-overlay-blue {
  background-color: rgba(59, 130, 246, 0.85);
}

.project-overlay-orange {
  background-color: rgba(249, 115, 22, 0.85);
}

.project-overlay-pink {
  background-color: rgba(236, 72, 153, 0.85);
}

.project-overlay-gray {
  background-color: rgba(107, 114, 128, 0.85);
}

/* =========================================
   SKILL STYLES
   ========================================= */

.skill-bar {
  transition: width 1.5s ease-in-out;
  background-color: var(--bg-tertiary);
}

.skill-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .skill-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =========================================
   FORM STYLES
   ========================================= */

.contact-form {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
}

.contact-form input,
.contact-form textarea {
  background-color: var(--input-bg) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary-green) !important;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1) !important;
}

.contact-form label {
  color: var(--text-primary) !important;
}

/* =========================================
   UTILITY CLASSES
   ========================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-primary {
  color: var(--text-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.bg-primary {
  background-color: var(--bg-primary) !important;
}

.bg-secondary {
  background-color: var(--bg-secondary) !important;
}

.bg-white {
  background-color: var(--bg-primary) !important;
}

.bg-gray-50 {
  background-color: var(--bg-secondary) !important;
}

.text-gray-600 {
  color: var(--text-secondary) !important;
}

.text-gray-800 {
  color: var(--text-primary) !important;
}

.border-gray-200 {
  border-color: var(--border-color) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-light) !important;
}

.shadow-xl {
  box-shadow: var(--shadow-large) !important;
}

/* Override Tailwind classes for theme consistency */
.bg-green-600 {
  background-color: var(--button-primary) !important;
}

.hover\:bg-green-700:hover {
  background-color: var(--button-primary-hover) !important;
}

.text-green-600 {
  color: var(--primary-green) !important;
}

.hover\:text-green-600:hover {
  color: var(--primary-green) !important;
}

.bg-black {
  background-color: #000000 !important;
}

/* =========================================
   ANIMATIONS
   ========================================= */

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

@keyframes gradientRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

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

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-rotate {
  animation: rotate 20s linear infinite;
}

/* Loading state */
body:not(.loaded) {
  opacity: 0;
}

body.loaded {
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

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

@media (max-width: 640px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  
  .skill-cards {
    grid-template-columns: 1fr;
  }
  
  .project-card {
    margin-bottom: 2rem;
  }
  
  .contact-section {
    flex-direction: column;
  }
  
  .contact-form {
    margin-top: 2rem;
  }

  body {
    font-size: 14px;
  }
  
  .navbar-brand {
    font-size: 1.1rem;
  }
  
  .mobile-menu {
    padding: 0.75rem;
  }
  
  .mobile-menu-item {
    padding: 0.625rem 0.75rem;
  }
}

/* =========================================
   ACCESSIBILITY IMPROVEMENTS
   ========================================= */

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

a:focus, button:focus, input:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

.focus-visible {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

/* =========================================
   SCROLL TO TOP BUTTON
   ========================================= */

#back-to-top {
  background-color: var(--button-primary);
  transition: all var(--transition-normal);
}

#back-to-top:hover {
  background-color: var(--button-primary-hover);
}

/* =========================================
   PRINT STYLES
   ========================================= */

@media print {
  .navbar,
  .mobile-menu,
  .theme-toggle,
  .hamburger,
  #back-to-top {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt;
  }
  
  .gradient-text {
    background: none !important;
    color: black !important;
    -webkit-text-fill-color: black !important;
  }
  
  a {
    text-decoration: underline;
  }
  
  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}