/* ========================================
   GABRIEL BERGEN - CYBERSECURITY PORTFOLIO
   Performance optimisée pour 60fps constant
   ======================================== */

/* === VARIABLES === */
:root {
  /* Couleurs */
  --color-bg: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-text: #ffffff;
  --color-text-secondary: #a0a0a0;
  --color-primary: #00f7ff;
  --color-primary-dark: #00b8c4;
  --color-secondary: #7b2cbf;
  --color-accent: #ff006e;
  --color-success: #06ffa5;
  --color-error: #ff3864;
  
  /* Dégradés */
  --gradient-primary: linear-gradient(135deg, #00f7ff 0%, #7b2cbf 100%);
  --gradient-secondary: linear-gradient(135deg, #7b2cbf 0%, #ff006e 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(0, 247, 255, 0.2), transparent 70%);
  
  /* Typographie */
  --font-primary: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;
  
  /* Z-index */
  --z-particles: -1;
  --z-content: 1;
  --z-nav: 100;
  --z-cursor: 1000;
  --z-loading: 9999;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === PERFORMANCE OPTIMIZATIONS === */
/* Utiliser transform et opacity uniquement pour animations 60fps */
.animate-gpu {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* === LOADING SCREEN === */
.loading {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: var(--z-loading);
  display: grid;
  place-items: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.loader-ring:nth-child(2) {
  width: 80%;
  height: 80%;
  border-top-color: var(--color-secondary);
  animation-duration: 2s;
  animation-direction: reverse;
}

.loader-ring:nth-child(3) {
  width: 60%;
  height: 60%;
  border-top-color: var(--color-accent);
  animation-duration: 1.2s;
}

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

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-primary);
  letter-spacing: 2px;
  text-align: center;
}

.dots::after {
  content: '';
  animation: dots 1.5s steps(4) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

/* === CURSOR PERSONNALISÉ === */
.cursor,
.cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  mix-blend-mode: difference;
  transition: transform 0.15s ease;
}

.cursor {
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  box-shadow: 0 0 20px var(--color-primary);
}

.cursor-dot {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--color-primary);
}

.cursor-follower {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-primary);
  transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease;
}

.cursor.active,
.cursor-follower.active {
  transform: scale(1.5);
}

/* Cache cursor sur mobile */
@media (hover: none) and (pointer: coarse) {
  .cursor,
  .cursor-follower {
    display: none;
  }
}

/* === CANVAS PARTICULES === */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-particles);
  opacity: 0.3;
  pointer-events: none;
}

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--spacing-md) 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-normal);
}

.nav.scrolled {
  padding: var(--spacing-sm) 0;
  background: rgba(0, 0, 0, 0.95);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.2rem;
  position: relative;
  z-index: 2;
}

.nav-logo {
  width: 45px;
  height: 45px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  box-shadow: 0 0 30px rgba(0, 247, 255, 0.5);
  transition: all var(--transition-normal);
}

.nav-brand:hover .nav-logo {
  transform: rotate(180deg) scale(1.1);
  box-shadow: 0 0 40px rgba(0, 247, 255, 0.8);
}

/* Effet Glitch */
.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.nav-brand:hover .glitch::before {
  animation: glitch-1 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  color: var(--color-primary);
  opacity: 0.8;
}

.nav-brand:hover .glitch::after {
  animation: glitch-2 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite reverse;
  color: var(--color-accent);
  opacity: 0.8;
}

@keyframes glitch-1 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(2px, 2px); }
  60% { transform: translate(-2px, -2px); }
  80% { transform: translate(-2px, 2px); }
}

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

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link i {
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

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

.nav-link:hover i {
  transform: translateY(-2px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Menu Toggle (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 2;
}

.nav-toggle span {
  width: 28px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 968px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
    transition: right var(--transition-slow);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.2rem;
  }
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-3xl) var(--spacing-lg);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 247, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 247, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
  opacity: 0.5;
}

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

.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: var(--z-content);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(0, 247, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: 50px;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-lg);
  animation: float 3s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.hero-name {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero-name::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glitch-text 5s infinite;
  opacity: 0;
}

@keyframes glitch-text {
  0%, 90%, 100% { opacity: 0; }
  92%, 98% { opacity: 1; transform: translate(-2px, 1px); }
  94%, 96% { opacity: 1; transform: translate(2px, -1px); }
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  font-family: var(--font-mono);
  min-height: 60px;
}

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

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--color-primary);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  isolation: isolate;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg);
  border-color: transparent;
  box-shadow: 0 10px 40px rgba(0, 247, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(0, 247, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(0, 247, 255, 0.1);
  transform: translateY(-3px);
}

.btn i {
  transition: transform var(--transition-fast);
}

.btn:hover i {
  transform: translateX(5px);
}

/* === SCROLL INDICATOR === */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  animation: bounce 2s ease-in-out infinite;
}

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

.mouse {
  width: 28px;
  height: 45px;
  border: 2px solid var(--color-primary);
  border-radius: 20px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* === SECTIONS === */
.section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  position: relative;
}

.section-dark {
  background: var(--color-bg-secondary);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-tag {
  display: inline-block;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.8;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.title-number {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.6em;
}

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

.about-card {
  position: relative;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.about-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 247, 255, 0.3);
}

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

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    var(--color-primary) 90deg,
    transparent 180deg
  );
  opacity: 0;
  transition: opacity var(--transition-slow);
  animation: rotate 8s linear infinite;
  pointer-events: none;
}

.about-card:hover .card-glow {
  opacity: 0.1;
}

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

.card-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  box-shadow: 0 10px 30px rgba(0, 247, 255, 0.3);
  transition: transform var(--transition-normal);
}

.about-card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

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

.highlight {
  color: var(--color-primary);
  font-weight: 600;
}

/* === TIMELINE === */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

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

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

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

.timeline-marker {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 247, 255, 0.2),
              0 0 30px var(--color-primary);
  z-index: 1;
}

.timeline-content {
  flex: 1;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  transform: scale(1.02);
  border-color: rgba(0, 247, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 247, 255, 0.2);
}

.timeline-date {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(0, 247, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: 20px;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.timeline-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.timeline-location {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(123, 44, 191, 0.2);
  border: 1px solid rgba(123, 44, 191, 0.4);
  border-radius: 12px;
  color: var(--color-secondary);
  font-size: 0.8rem;
  font-weight: 500;
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 50px;
  }
  
  .timeline-marker {
    left: 20px;
  }
}

/* === SKILLS === */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.skills-category {
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  transition: all var(--transition-normal);
}

.skills-category:hover {
  border-color: rgba(0, 247, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 247, 255, 0.1);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid rgba(255, 255, 255, 0.05);
}

.category-header i {
  font-size: 2rem;
  color: var(--color-primary);
}

.category-header h3 {
  font-size: 1.8rem;
  font-weight: 700;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.skill-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text);
  font-weight: 500;
}

.skill-info i {
  color: var(--color-primary);
  font-size: 1.2rem;
}

.skill-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.skill-progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

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

.soft-skills {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-md);
}

.soft-skill {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  transition: all var(--transition-normal);
  cursor: default;
}

.soft-skill:hover {
  transform: translateY(-5px);
  background: rgba(0, 247, 255, 0.05);
  border-color: rgba(0, 247, 255, 0.3);
}

.soft-skill i {
  color: var(--color-primary);
  font-size: 1.4rem;
}

@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* === PROJECTS === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 247, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 247, 255, 0.2);
}

.project-image {
  height: 200px;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  position: relative;
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.project-overlay i {
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.5;
  transition: all var(--transition-normal);
}

.project-card:hover .project-overlay {
  background: rgba(0, 247, 255, 0.1);
}

.project-card:hover .project-overlay i {
  opacity: 1;
  transform: scale(1.2) rotate(10deg);
}

.project-content {
  padding: var(--spacing-xl);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.project-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.project-link:hover {
  gap: var(--spacing-sm);
  text-shadow: 0 0 10px var(--color-primary);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* === CONTACT === */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-normal);
}

.contact-method:hover {
  transform: translateX(10px);
  background: rgba(0, 247, 255, 0.05);
  border-color: rgba(0, 247, 255, 0.3);
}

.method-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.method-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.method-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.method-value {
  font-weight: 600;
  color: var(--color-text);
}

/* === FORM === */
.contact-form {
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form-group label i {
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(0, 247, 255, 0.05);
  box-shadow: 0 0 20px rgba(0, 247, 255, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: none;
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}

.form-group.error .form-error {
  display: block;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--color-error);
}

.btn-submit {
  width: 100%;
  position: relative;
  margin-top: var(--spacing-md);
}

.btn-loading,
.btn-success {
  display: none;
}

.btn-submit.loading .btn-text {
  display: none;
}

.btn-submit.loading .btn-loading {
  display: flex;
}

.btn-submit.success .btn-text,
.btn-submit.success .btn-loading {
  display: none;
}

.btn-submit.success .btn-success {
  display: flex;
}

.form-status {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  display: none;
}

.form-status.show {
  display: block;
}

.form-status.success {
  background: rgba(6, 255, 165, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-status.error {
  background: rgba(255, 56, 100, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

@media (max-width: 968px) {
  .contact-content {
    grid-template-columns: 1fr;
  }
}

/* === FOOTER === */
.footer {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-logo i {
  font-size: 2rem;
  color: var(--color-primary);
}

.footer-left p {
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--color-text);
  font-size: 1.3rem;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.footer-social:hover {
  background: var(--gradient-primary);
  color: var(--color-bg);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 247, 255, 0.3);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
}

.footer-bottom i {
  color: var(--color-accent);
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  10%, 30% { transform: scale(1.2); }
  20%, 40% { transform: scale(1); }
}

/* === ANIMATIONS AOS === */
[data-aos] {
  opacity: 0;
  transition-property: transform, opacity;
  transition-duration: 0.6s;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
  }
  
  .hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

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

/* Optimisation GPU */
.hero-title,
.section-title,
.btn,
.card,
.nav {
  will-change: transform;
  transform: translateZ(0);
}