/* ==========================================================================
   PORTFOLIO ALEXANDRE LISON - STYLE PRINCIPAL
   Design moderne avec dark mode, glassmorphism, animations avancées
   ========================================================================== */

/* --------------------------------------------------------------------------
   VARIABLES CSS
   -------------------------------------------------------------------------- */
:root {
  /* Couleurs principales */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.4);

  /* Accent */
  --accent: #06b6d4;
  --accent-light: #22d3ee;

  /* Gradient principal */
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--accent) 100%
  );
  --gradient-text: linear-gradient(
    135deg,
    var(--primary-light) 0%,
    var(--accent-light) 100%
  );

  /* Couleurs neutres - Light mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.7);
  --bg-glass-strong: rgba(255, 255, 255, 0.9);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;

  --border: rgba(148, 163, 184, 0.2);
  --border-strong: rgba(148, 163, 184, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-md:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-lg:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px var(--primary-glow);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Spacing */
  --section-padding: 6rem 2rem;
  --container-width: 1200px;

  /* Border radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Font */
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

/* Dark mode */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-glass: rgba(30, 41, 59, 0.7);
  --bg-glass-strong: rgba(30, 41, 59, 0.9);

  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #64748b;

  --border: rgba(148, 163, 184, 0.1);
  --border-strong: rgba(148, 163, 184, 0.2);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-md:
    0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-lg:
    0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition:
    background-color var(--transition),
    color var(--transition);
}

body.loading {
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea {
  font-family: inherit;
}

/* Selection */
::selection {
  background: var(--primary);
  color: white;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   PRELOADER
   -------------------------------------------------------------------------- */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition:
    opacity 0.5s ease,
    visibility 0.5s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  position: relative;
  width: 80px;
  height: 80px;
}

.loader-ring {
  position: absolute;
  inset: 0;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* --------------------------------------------------------------------------
   CUSTOM CURSOR
   -------------------------------------------------------------------------- */
.cursor,
.cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease;
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .cursor,
  .cursor-follower {
    display: block;
  }

  .cursor {
    width: 8px;
    height: 8px;
    background: var(--primary);
    transform: translate(-50%, -50%);
  }

  .cursor-follower {
    width: 36px;
    height: 36px;
    border: 1px solid var(--primary);
    opacity: 0.5;
    transform: translate(-50%, -50%);
    transition:
      transform 0.15s ease,
      width 0.3s ease,
      height 0.3s ease,
      opacity 0.3s ease;
  }

  .cursor-hover .cursor-follower {
    width: 50px;
    height: 50px;
    opacity: 0.3;
  }

  body:has(a:hover) .cursor-follower,
  body:has(button:hover) .cursor-follower {
    width: 50px;
    height: 50px;
    opacity: 0.3;
  }
}

/* --------------------------------------------------------------------------
   PARTICLES CANVAS
   -------------------------------------------------------------------------- */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
}

header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

nav {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  display: flex;
  align-items: center;
}

.logo-bracket {
  color: var(--primary);
  font-family: var(--font-mono);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  position: relative;
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.nav-links a::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition);
}

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

.nav-links a:hover::before,
.nav-links a.active::before {
  opacity: 0.1;
  transform: scale(1);
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme toggle */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--bg-secondary);
  transform: rotate(15deg);
}

.theme-toggle i {
  position: absolute;
  font-size: 1.1rem;
  transition: all var(--transition);
}

.theme-toggle .fa-moon {
  opacity: 1;
  transform: translateY(0);
}

.theme-toggle .fa-sun {
  opacity: 0;
  transform: translateY(20px);
}

[data-theme="dark"] .theme-toggle .fa-moon {
  opacity: 0;
  transform: translateY(-20px);
}

[data-theme="dark"] .theme-toggle .fa-sun {
  opacity: 1;
  transform: translateY(0);
  color: #fbbf24;
}

/* Nav CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

/* Menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
  cursor: pointer;
}

.menu-toggle span {
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

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

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

/* Hero background */
.hero-background {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  bottom: -100px;
  left: -100px;
  animation-delay: -5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--primary-light);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

/* Hero content */
.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease forwards;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.greeting {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-secondary);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

.hero-title .name {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.role {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  color: var(--text-secondary);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.typing-wrapper {
  display: inline-flex;
  align-items: center;
}

.typing-text {
  color: var(--primary);
  line-height: 1;
}

.typing-cursor {
  color: var(--primary);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
  line-height: 1;
}

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

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

/* Hero stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Hero buttons */
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.6s;
  opacity: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

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

.btn-primary:hover i {
  transform: translateX(4px);
}

.btn-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: var(--bg-glass-strong);
  transform: translateY(-3px);
  border-color: var(--primary);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-strong);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
}

/* Hero scroll indicator */
.hero-scroll {
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.8s;
  opacity: 0;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  transition: color var(--transition);
}

.scroll-indicator:hover {
  color: var(--primary);
}

.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid currentColor;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.wheel {
  width: 3px;
  height: 8px;
  background: currentColor;
  border-radius: 2px;
  animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(6px);
    opacity: 0.5;
  }
}

.scroll-text {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Hero socials */
.hero-socials {
  position: fixed;
  left: 2rem;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  z-index: 100;
}

.hero-socials::after {
  content: "";
  width: 1px;
  height: 100px;
  background: var(--border-strong);
}

.hero-socials a {
  font-size: 1.25rem;
  color: var(--text-tertiary);
  transition: all var(--transition);
}

.hero-socials a:hover {
  color: var(--primary);
  transform: translateY(-3px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* --------------------------------------------------------------------------
   SECTIONS COMMUNE
   -------------------------------------------------------------------------- */
section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-tag i {
  font-size: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  margin: 0;
}

.title-decoration {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-section {
  background: var(--bg-secondary);
}

.about-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: center;
}

/* About image */
.about-image {
  position: relative;
}

.image-frame {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--gradient-primary);
  padding: 4px;
}

.frame-decoration {
  position: absolute;
  inset: 4px;
  border-radius: calc(var(--radius-xl) - 4px);
  background: var(--bg-secondary);
}

.avatar-placeholder {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: calc(var(--radius-xl) - 4px);
}

.avatar-placeholder i {
  font-size: 5rem;
  color: var(--primary);
  opacity: 0.3;
}

/* Profile photo */
.profile-photo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) - 4px);
  z-index: 1;
}

/* Floating cards */
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-weight: 600;
  font-size: 0.875rem;
  animation: float-card 3s ease-in-out infinite;
  z-index: 10;
}

.floating-card i {
  font-size: 1.25rem;
}

.card-1 {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.card-1 i {
  color: #3776ab;
}

.card-2 {
  bottom: 30%;
  left: -30px;
  animation-delay: -1s;
}

.card-2 i {
  color: #dd0031;
}

.card-3 {
  bottom: 5%;
  right: 10%;
  animation-delay: -2s;
}

.card-3 i {
  color: #2496ed;
}

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

/* About text */
.about-text {
  max-width: 600px;
}

.about-text .lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.about-details {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.about-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about-item .label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
}

.about-item .value {
  font-weight: 600;
  color: var(--text-primary);
}

/* About highlights */
.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.highlight-item:hover {
  border-color: var(--primary);
  transform: translateX(10px);
}

.highlight-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius);
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.highlight-content h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.125rem;
}

.highlight-content p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   SKILLS SECTION
   -------------------------------------------------------------------------- */
.skills-section {
  background: var(--bg-primary);
}

.skills-wrapper {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.skills-category {
  text-align: center;
}

.skills-category h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.skills-category h3 i {
  color: var(--primary);
}

.skills-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: all var(--transition);
  cursor: default;
}

.skill-tag:hover {
  border-color: var(--primary);
  background: var(--bg-glass);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.skill-tag i {
  font-size: 1.1rem;
  color: var(--primary);
}

/* Loading skeleton */
.loading-skeleton {
  width: 100%;
}

.skeleton-category {
  text-align: center;
}

.skeleton-title {
  width: 200px;
  height: 28px;
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-secondary) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
  margin: 0 auto 1.5rem;
}

.skeleton-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.skeleton-tags span {
  width: 100px;
  height: 40px;
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-secondary) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 350px;
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-secondary) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-lg);
}

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

/* --------------------------------------------------------------------------
   EXPERIENCE SECTION
   -------------------------------------------------------------------------- */
.experience-section {
  background: var(--bg-secondary);
}

.experience-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.tab-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.timeline-container {
  max-width: 800px;
  margin: 0 auto;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.timeline.hidden {
  display: none;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 2rem;
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft 0.5s ease forwards;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-secondary);
  border-radius: 50%;
  transform: translateX(-7px);
}

.timeline-content {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition);
}

.timeline-content:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.timeline-date {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.timeline-content h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

/* --------------------------------------------------------------------------
   PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-section {
  background: var(--bg-primary);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.projects-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  position: relative;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition-slow);
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

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

.project-links {
  display: flex;
  gap: 0.75rem;
}

.project-link-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  color: white;
  font-size: 1.1rem;
  transition: all var(--transition);
  transform: translateY(20px);
  opacity: 0;
}

.project-card:hover .project-link-btn {
  transform: translateY(0);
  opacity: 1;
}

.project-card:hover .project-link-btn:nth-child(2) {
  transition-delay: 0.1s;
}

.project-link-btn:hover {
  background: var(--primary);
}

.project-info {
  padding: 1.5rem;
}

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

.project-tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.project-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.project-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-section {
  background: var(--bg-secondary);
}

.contact-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Contact CTA */
.contact-cta {
  position: relative;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 3rem;
  overflow: hidden;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-buttons .btn {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.cta-buttons .btn-glass {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-buttons .btn-glass:hover {
  background: rgba(255, 255, 255, 0.3);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.cta-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.decoration-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.decoration-circle:nth-child(1) {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -100px;
}

.decoration-circle:nth-child(2) {
  width: 200px;
  height: 200px;
  bottom: -50px;
  left: -50px;
}

.decoration-circle:nth-child(3) {
  width: 100px;
  height: 100px;
  top: 50%;
  right: 20%;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.contact-card:hover {
  border-color: var(--primary);
  transform: translateX(10px);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius);
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  margin-bottom: 0.25rem;
}

.contact-details a,
.contact-details span {
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}

.contact-details a:hover {
  color: var(--primary);
}

/* Contact form */
.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.input-wrapper {
  position: relative;
}

.input-wrapper i {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--text-tertiary);
  transition: color var(--transition);
  z-index: 1;
}

.input-wrapper.textarea-wrapper i {
  top: 1.25rem;
}

.input-wrapper input,
.input-wrapper textarea {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition);
}

.input-wrapper textarea {
  min-height: 150px;
  resize: vertical;
}

.input-wrapper label {
  position: absolute;
  left: 3rem;
  top: 1rem;
  color: var(--text-tertiary);
  font-size: 1rem;
  transition: all var(--transition);
  pointer-events: none;
  background: var(--bg-primary);
  padding: 0 0.5rem;
}

.input-wrapper input:focus,
.input-wrapper textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-wrapper input:focus ~ i,
.input-wrapper textarea:focus ~ i {
  color: var(--primary);
}

.input-wrapper input:focus ~ label,
.input-wrapper textarea:focus ~ label,
.input-wrapper input:not(:placeholder-shown) ~ label,
.input-wrapper textarea:not(:placeholder-shown) ~ label {
  top: -0.5rem;
  left: 2.5rem;
  font-size: 0.8rem;
  color: var(--primary);
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
  color: transparent;
}

.btn-submit {
  grid-column: span 2;
  justify-content: center;
  padding: 1rem 2rem;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
footer {
  position: relative;
  background: var(--text-primary);
  color: var(--bg-primary);
  padding-top: 0;
}

[data-theme="dark"] footer {
  background: #020617;
}

.footer-wave {
  position: relative;
  margin-top: -1px;
}

.footer-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}

.footer-wave path {
  fill: var(--text-primary);
}

[data-theme="dark"] .footer-wave path {
  fill: #020617;
}

.footer-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
}

.footer-brand .footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-brand .logo-bracket {
  color: var(--primary-light);
}

.footer-brand p {
  color: var(--text-tertiary);
  line-height: 1.8;
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: white;
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a,
.footer-contact a {
  color: var(--text-tertiary);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--primary-light);
  transform: translateX(5px);
}

.footer-social .social-links {
  display: flex;
  gap: 0.75rem;
}

.footer-social .social-links a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: white;
  font-size: 1.1rem;
  transition: all var(--transition);
}

.footer-social .social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 2rem;
  text-align: center;
}

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

.footer-bottom .made-with {
  margin-top: 0.5rem;
}

.footer-bottom .fa-heart {
  color: #ef4444;
  animation: heartbeat 1.5s ease-in-out infinite;
}

.footer-bottom .fa-coffee {
  color: #fbbf24;
}

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .about-image {
    max-width: 350px;
    margin: 0 auto;
  }

  .about-text {
    max-width: 100%;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 1.5rem;
  }

  /* Nav mobile */
  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
  }

  .nav-actions {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-links.active ~ .nav-actions,
  .nav-actions:has(~ .nav-links.active) {
    opacity: 1;
    visibility: visible;
  }

  header.nav-open .nav-actions {
    opacity: 1;
    visibility: visible;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
    z-index: 1001;
  }

  /* Hero mobile */
  .hero {
    padding: 6rem 1.5rem 3rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

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

  .hero-socials {
    display: none;
  }

  /* Floating cards mobile */
  .floating-card {
    display: none;
  }

  /* Timeline mobile */
  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item {
    padding-left: 1.5rem;
  }

  .timeline-dot {
    left: -1.5rem;
  }

  /* Contact CTA mobile */
  .contact-cta {
    padding: 2rem;
  }

  .cta-content h3 {
    font-size: 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  /* Footer mobile */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-social .social-links {
    justify-content: center;
  }

  .footer-links a:hover,
  .footer-contact a:hover {
    transform: none;
  }

  /* Projects mobile */
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title .name {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

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

  .tab-btn {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   ANIMATIONS & UTILITIES
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}

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

  html {
    scroll-behavior: auto;
  }
}

/* Print styles */
@media print {
  header,
  footer,
  .hero-socials,
  .back-to-top,
  #particles-canvas {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  section {
    page-break-inside: avoid;
  }
}