/* =========================================================
   DESIGN SYSTEM & CSS CUSTOM PROPERTIES
   ========================================================= */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --accent-cyan: #06b6d4;
  --accent-violet: #8b5cf6;
  --accent-magenta: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #12121a 40%, #1a1028 70%, #0d1117 100%);

  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out-expo);
  --transition-normal: 0.4s var(--ease-out-expo);
  --transition-slow: 0.8s var(--ease-out-expo);

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

::selection {
  background: rgba(6, 182, 212, 0.3);
  color: #fff;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* =========================================================
   CURSOR GLOW (Desktop only)
   ========================================================= */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
}

@media (hover: hover) {
  .cursor-glow { opacity: 1; }
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 14px 40px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-bracket {
  color: var(--accent-cyan);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link--cta {
  color: var(--accent-cyan) !important;
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-sm);
  margin-left: 8px;
}

.nav-link--cta::after { display: none; }

.nav-link--cta:hover {
  background: rgba(6, 182, 212, 0.1);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .navbar { padding: 16px 20px; }
  .navbar.scrolled { padding: 12px 20px; }

  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 80vw);
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    transition: right var(--transition-normal);
    padding: 40px;
  }

  .nav-menu.open { right: 0; }

  .nav-link { font-size: 1.1rem; padding: 12px 0; }
  .nav-link--cta { margin-left: 0; padding: 12px 24px; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  overflow: hidden;
}

.particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.hero-name {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 2.4em;
}

.hero-title-prefix {
  color: var(--text-secondary);
}

.typed-text {
  color: var(--accent-violet);
  font-family: var(--font-mono);
}

.typed-cursor {
  color: var(--accent-cyan);
  font-weight: 300;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(6, 182, 212, 0.4);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
  transform: translateY(-2px);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%, 100% { opacity: 1; top: 6px; }
  50% { opacity: 0.3; top: 18px; }
}

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

/* =========================================================
   SECTIONS (SHARED)
   ========================================================= */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--glass-border), transparent);
  max-width: 300px;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-cyan);
}

/* =========================================================
   GLASS CARD
   ========================================================= */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

/* =========================================================
   ABOUT SECTION
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  max-width: 320px;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--bg-secondary);
}

.about-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

.about-image-placeholder svg {
  width: 80%;
  height: 80%;
  opacity: 0.7;
}

.about-image-border {
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  opacity: 0.3;
  z-index: -1;
  transition: all var(--transition-normal);
}

.about-image-wrapper:hover .about-image-border {
  inset: 12px -12px -12px 12px;
  opacity: 0.5;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.about-text p strong {
  color: var(--text-primary);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-number::after {
  content: '+';
  -webkit-text-fill-color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
  display: block;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image-wrapper { margin: 0 auto; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
}

.skill-category:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.skill-category-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.skill-category-title svg {
  color: var(--accent-cyan);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  transition: all var(--transition-fast);
  cursor: default;
}

.skill-tag:hover {
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.08);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
  transform: translateY(-2px);
}

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

/* =========================================================
   PROJECTS SECTION
   ========================================================= */
.project-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 20px;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-secondary);
  border-color: var(--glass-border);
}

.filter-btn.active {
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.08);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
  will-change: transform;
}

.project-card.hidden {
  display: none;
}

.project-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.project-card-inner {
  display: flex;
  flex-direction: column;
}

.project-image {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent, #06b6d4) 15%, var(--bg-tertiary)), var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, color-mix(in srgb, var(--accent, #06b6d4) 10%, transparent));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.project-icon {
  color: var(--accent, #06b6d4);
  opacity: 0.4;
  transition: all var(--transition-normal);
}

.project-card:hover .project-icon {
  opacity: 0.7;
  transform: scale(1.1);
}

.project-info {
  padding: 24px;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 8px 0 12px;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: 12px;
}

.project-link {
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.project-link:hover {
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
}

@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   EXPERIENCE / TIMELINE
   ========================================================= */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-violet), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

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

.timeline-dot {
  position: absolute;
  left: -46px;
  top: 32px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
  z-index: 1;
}

.timeline-content {
  padding: 28px 32px;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 8px 0 4px;
}

.timeline-company {
  font-size: 0.9rem;
  color: var(--accent-violet);
  font-weight: 500;
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 640px) {
  .timeline { padding-left: 30px; }
  .timeline-dot { left: -36px; }
  .timeline-content { padding: 20px 24px; }
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.08);
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-detail-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

a.contact-detail-value:hover {
  color: var(--accent-cyan);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.08);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.15);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 0 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--glass-border);
  outline: none;
  transition: border-color var(--transition-fast);
  resize: none;
}

.form-group label {
  position: absolute;
  top: 16px;
  left: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all var(--transition-fast);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -4px;
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}

.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
  width: 100%;
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

.footer-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.footer-heart {
  color: var(--accent-magenta);
  animation: heartbeat 1.4s ease-in-out infinite;
  display: inline-block;
}

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

.footer-copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.6;
}

/* =========================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal.reveal-left {
  transform: translateX(-40px) translateY(0);
}

.reveal.reveal-right {
  transform: translateX(40px) translateY(0);
}

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

/* Staggered children */
.skills-grid .skill-category {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.skills-grid.active .skill-category {
  opacity: 1;
  transform: translateY(0);
}

.skills-grid.active .skill-category:nth-child(1) { transition-delay: 0.1s; }
.skills-grid.active .skill-category:nth-child(2) { transition-delay: 0.2s; }
.skills-grid.active .skill-category:nth-child(3) { transition-delay: 0.3s; }
.skills-grid.active .skill-category:nth-child(4) { transition-delay: 0.4s; }

/* Project card stagger */
.project-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo), 
              border-color var(--transition-normal), background var(--transition-normal);
}

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

/* Timeline stagger */
.timeline-item .timeline-content {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo),
              background var(--transition-normal), border-color var(--transition-normal);
}

.timeline-item.active .timeline-content {
  opacity: 1;
  transform: translateX(0);
}

/* =========================================================
   MAGNETIC EFFECT (Visual only; handled via JS)
   ========================================================= */
.magnetic {
  transition: transform var(--transition-fast);
}