/* ==========================================================================
   DESIGN SYSTEM & VARIABLES (CYBERPUNK NEON GLOW)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500;600&display=swap');

:root {
  --bg-color: #030308;
  /* Cyberpunk deep space background */
  --bg-gradient: linear-gradient(180deg, #030308 0%, #060613 50%, #020207 100%);
  
  --card-bg: rgba(7, 7, 18, 0.7);
  --card-border: rgba(124, 77, 255, 0.15);
  --card-hover-bg: rgba(12, 12, 30, 0.95);
  --card-hover-border: #00f5ff;
  
  --primary-color: #7c4dff;         /* Electric Violet */
  --primary-glow: 0 0 15px rgba(124, 77, 255, 0.6);
  --secondary-color: #00f5ff;       /* Neon Cyan */
  --secondary-glow: 0 0 15px rgba(0, 245, 255, 0.6);
  --tron-green: #39ff14;            /* Classic Tron / Matrix Green */
  --tron-green-glow: 0 0 15px rgba(57, 255, 20, 0.6);
  
  --text-main: #ffffff;
  --text-muted: #a0a5c0;
  --text-dark: #4b4b64;
  
  --nav-bg: rgba(3, 3, 8, 0.85);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-round: 50%;
  
  --shadow-neon-primary: 0 0 15px rgba(124, 77, 255, 0.35);
  --shadow-neon-secondary: 0 0 15px rgba(0, 245, 255, 0.35);
  --shadow-neon-green: 0 0 15px rgba(57, 255, 20, 0.35);
  
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  background-image: 
    /* Tron Arena grid pattern (semi-transparent gray) */
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
  background: var(--bg-gradient);
}

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

ul {
  list-style: none;
}

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

/* ==========================================================================
   SCROLLBAR & SELECTION
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: rgba(124, 77, 255, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
  box-shadow: var(--secondary-glow);
}

::selection {
  background: var(--primary-color);
  color: #fff;
  text-shadow: 0 0 5px #fff;
}

/* ==========================================================================
   NEON EFFECTS & GLASS UTILITIES
   ========================================================================== */
.text-glow {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px var(--primary-color);
}

.text-glow-cyan {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px var(--secondary-color);
}

.text-glow-green {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px var(--tron-green);
}

.neon-border-box {
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-neon-primary);
  transition: all var(--transition-normal);
}

.neon-border-box:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
}

.neon-btn {
  background: transparent;
  color: #fff;
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-neon-primary);
  text-shadow: 0 0 5px #fff;
}

.neon-btn:hover {
  background: var(--primary-color);
  box-shadow: 0 0 25px var(--primary-color);
  transform: translateY(-2px);
}

.neon-btn-cyan {
  background: transparent;
  color: #fff;
  border: 2px solid var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
  text-shadow: 0 0 5px #fff;
}

.neon-btn-cyan:hover {
  background: var(--secondary-color);
  color: #030308;
  text-shadow: none;
  box-shadow: 0 0 25px var(--secondary-color);
  transform: translateY(-2px);
}

/* Glassmorphism card default */
.glass-panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 60px;
  text-align: center;
  position: relative;
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3), 0 0 25px var(--primary-color);
  letter-spacing: 2px;
}

.section-title::after {
  content: '</>';
  font-family: 'Fira Code', monospace;
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1rem;
  color: var(--secondary-color);
  text-shadow: var(--secondary-glow);
  font-weight: 500;
  letter-spacing: 0;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(124, 77, 255, 0.1);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 5px 0;
  border-bottom-color: rgba(0, 245, 255, 0.25);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5), 0 0 15px var(--primary-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Fira Code', monospace;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0, 245, 255, 0.1);
  color: var(--secondary-color);
  border: 1px solid rgba(0, 245, 255, 0.2);
  text-shadow: none;
}

.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  letter-spacing: 0.5px;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.6), 0 0 15px var(--secondary-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  box-shadow: var(--secondary-glow);
  transition: width var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: #fff;
  padding: 8px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  min-height: calc(100vh - 80px);
  padding-top: 60px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-badge {
  align-self: flex-start;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 30px;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--tron-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.1);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Fira Code', monospace;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-round);
  background-color: var(--tron-green);
  box-shadow: var(--tron-green-glow);
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.85); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.85); opacity: 0.5; }
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.hero-title span {
  display: block;
}

.hero-name {
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 25px var(--primary-color), 0 0 45px var(--primary-color);
  position: relative;
}

.hero-subtitle {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--secondary-color);
  text-shadow: var(--secondary-glow);
  margin-top: -10px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

/* Profile Photo Container */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-glow-ring {
  position: absolute;
  width: 330px;
  height: 330px;
  border-radius: var(--radius-round);
  border: 2px dashed var(--secondary-color);
  box-shadow: var(--secondary-glow);
  animation: rotate-glow 20s linear infinite;
  z-index: 1;
}

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

.profile-card {
  position: relative;
  width: 290px;
  height: 350px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-neon-primary);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.profile-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
}

.profile-img-container {
  width: 190px;
  height: 190px;
  border-radius: var(--radius-round);
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
  margin-bottom: 24px;
  background: #111122;
  position: relative;
}

.profile-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.profile-card-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5), 0 0 15px var(--primary-color);
}

.profile-card-tag {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
}

/* ==========================================================================
   ABOUT / PROFIL SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.about-card {
  padding: 40px;
  box-shadow: var(--shadow-neon-primary);
}

.about-card:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
  background: var(--card-hover-bg);
}

.about-card h3 {
  font-size: 1.8rem;
  margin-bottom: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-shadow: 0 0 10px var(--primary-color);
}

.about-card h3 svg {
  color: var(--primary-color);
}

.about-card p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.strength-item {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.strength-item:hover {
  background: rgba(0, 245, 255, 0.05);
  border-color: var(--secondary-color);
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.1);
  transform: translateY(-2px);
}

.strength-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 255, 0.1);
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.strength-item:nth-child(even) .strength-icon {
  background: rgba(124, 77, 255, 0.1);
  color: var(--primary-color);
}

.strength-title {
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
}

.strength-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   TIPE SECTION (SPECIAL NEON RADAR DISPLAY)
   ========================================================================== */
.tipe-showcase {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-neon-primary);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

.tipe-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.tipe-text h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
  text-shadow: 0 0 15px var(--secondary-color);
}

.tipe-subtitle {
  font-size: 1.1rem;
  font-family: 'Fira Code', monospace;
  color: var(--primary-color);
  margin-bottom: 24px;
}

.tipe-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.tipe-desc strong {
  color: #fff;
}

/* Math Container */
.tipe-math {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(124, 77, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 30px;
  font-family: 'Fira Code', monospace;
}

.tipe-math-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tipe-equation {
  font-size: 0.9rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 12px;
  overflow-x: auto;
  border-left: 3px solid var(--primary-color);
}

.tipe-equation:last-child {
  margin-bottom: 0;
  border-left-color: var(--tron-green);
}

/* Interactive Radar Simulator */
.tipe-visualizer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.radar-screen {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-round);
  border: 2px solid var(--tron-green);
  box-shadow: var(--shadow-neon-green);
  position: relative;
  background: radial-gradient(circle, rgba(57, 255, 20, 0.05) 0%, rgba(0,0,0,0.8) 75%);
  overflow: hidden;
}

.radar-sweep {
  position: absolute;
  width: 100%;
  height: 100%;
  background: conic-gradient(from 0deg, rgba(57, 255, 20, 0.15) 0deg, transparent 90deg);
  transform-origin: center;
  animation: sweep 4s linear infinite;
}

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

.radar-grid-circle {
  position: absolute;
  border: 1px dashed rgba(57, 255, 20, 0.25);
  border-radius: var(--radius-round);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.radar-circle-1 { width: 80px; height: 80px; }
.radar-circle-2 { width: 160px; height: 160px; }
.radar-circle-3 { width: 240px; height: 240px; }

.radar-line-h {
  position: absolute;
  width: 100%;
  height: 1px;
  background: rgba(57, 255, 20, 0.25);
  top: 50%;
  left: 0;
}

.radar-line-v {
  position: absolute;
  height: 100%;
  width: 1px;
  background: rgba(57, 255, 20, 0.25);
  left: 50%;
  top: 0;
}

.radar-agent {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-round);
  background-color: var(--secondary-color);
  box-shadow: var(--secondary-glow);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
}

.radar-obstacle {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--tron-green);
  box-shadow: var(--tron-green-glow);
  border-radius: var(--radius-round);
  animation: radar-glow 2s infinite alternate;
}

.obs-1 { top: 30%; left: 45%; }
.obs-2 { top: 65%; left: 70%; }
.obs-3 { top: 20%; left: 75%; }

@keyframes radar-glow {
  0% { opacity: 0.3; filter: scale(0.9); }
  100% { opacity: 1; filter: scale(1.1); }
}

.radar-stats {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  background: rgba(0, 0, 0, 0.3);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.radar-stats span {
  color: var(--tron-green);
  font-weight: bold;
}

/* ==========================================================================
   EDUCATION TIMELINE
   ========================================================================== */
.timeline {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 0;
  height: 100%;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 60px;
}

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

.timeline-dot {
  position: absolute;
  left: 20px;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-round);
  background: var(--bg-color);
  border: 4px solid var(--primary-color);
  z-index: 2;
  box-shadow: var(--shadow-neon-primary);
  transition: all var(--transition-fast);
}

.timeline-item:nth-child(even) .timeline-dot {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
}

.timeline-content {
  padding: 30px;
  box-shadow: var(--shadow-neon-primary);
}

.timeline-content:hover {
  transform: translateX(8px);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
  background: var(--card-hover-bg);
}

.timeline-date {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary-color);
  background: rgba(0, 245, 255, 0.08);
  border-radius: 20px;
  margin-bottom: 12px;
  border: 1px solid rgba(0, 245, 255, 0.25);
  font-family: 'Fira Code', monospace;
}

.timeline-item:nth-child(even) .timeline-date {
  color: var(--primary-color);
  background: rgba(124, 77, 255, 0.08);
  border: 1px solid rgba(124, 77, 255, 0.25);
}

.timeline-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}

.timeline-institution {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.timeline-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.skills-card {
  padding: 30px;
  box-shadow: var(--shadow-neon-primary);
}

.skills-card:hover {
  transform: translateY(-5px);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
  background: var(--card-hover-bg);
}

.skills-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(124, 77, 255, 0.1);
  padding-bottom: 12px;
  color: #fff;
  text-shadow: 0 0 5px var(--primary-color);
}

.skills-card-title svg {
  color: var(--primary-color);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.skill-name {
  font-weight: 600;
  color: #fff;
}

.skill-level {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.skill-bar-bg {
  height: 6px;
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 3px;
  width: 0%; /* Dynamic fill by JS */
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px var(--secondary-color);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background: rgba(0, 245, 255, 0.08);
  border-color: var(--secondary-color);
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.2);
  transform: translateY(-2px);
}

/* ==========================================================================
   PROJECTS SECTION (NEON MATRIX STYLE)
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.project-card {
  overflow: hidden;
  box-shadow: var(--shadow-neon-primary);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
  background: var(--card-hover-bg);
}

.project-image-fallback {
  height: 180px;
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.1) 0%, rgba(0, 245, 255, 0.15) 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(124, 77, 255, 0.1);
  overflow: hidden;
}

.project-image-fallback svg {
  width: 56px;
  height: 56px;
  color: var(--primary-color);
  opacity: 0.8;
  transition: all var(--transition-normal);
}

.project-card:hover .project-image-fallback svg {
  transform: scale(1.1) rotate(5deg);
  color: var(--secondary-color);
  filter: drop-shadow(0 0 8px var(--secondary-color));
}

.project-body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

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

.project-tag {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid rgba(0, 245, 255, 0.2);
  color: var(--secondary-color);
  font-family: 'Fira Code', monospace;
}

.project-card:nth-child(even) .project-tag {
  background: rgba(124, 77, 255, 0.08);
  border: 1px solid rgba(124, 77, 255, 0.2);
  color: var(--primary-color);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.project-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--secondary-color);
  font-size: 0.95rem;
  text-shadow: 0 0 5px rgba(0, 245, 255, 0.2);
}

.project-link:hover {
  color: #fff;
  text-shadow: var(--secondary-glow);
}

.project-link svg {
  transition: transform var(--transition-fast);
}

.project-link:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   EXPERIENCE SECTION (PAST JOBS)
   ========================================================================== */
.experience-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.experience-card {
  padding: 30px;
  box-shadow: var(--shadow-neon-primary);
  display: grid;
  grid-template-columns: 0.25fr 0.75fr;
  gap: 30px;
}

.experience-card:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-neon-secondary);
  background: var(--card-hover-bg);
  transform: translateY(-2px);
}

.experience-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.experience-date {
  font-weight: 700;
  color: var(--secondary-color);
  font-size: 0.95rem;
  font-family: 'Fira Code', monospace;
}

.experience-company {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.experience-details h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.experience-details p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-neon-primary);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.contact-item:hover {
  background: rgba(0, 245, 255, 0.05);
  border-color: rgba(0, 245, 255, 0.15);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(124, 77, 255, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(124, 77, 255, 0.1);
}

.contact-item:nth-child(even) .contact-icon {
  background: rgba(0, 245, 255, 0.1);
  color: var(--secondary-color);
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.1);
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.contact-value {
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  word-break: break-all;
}

.contact-socials {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.social-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-neon-primary);
}

.social-btn:hover {
  color: #fff;
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 0 15px var(--primary-color);
}

.social-btn:nth-child(even):hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  color: #030308;
  box-shadow: 0 0 15px var(--secondary-color);
}

.contact-form-container {
  padding: 40px;
  box-shadow: var(--shadow-neon-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.form-input {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.25);
}

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

/* Tooltip copy notification */
.copy-tooltip {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--secondary-color);
  color: #030308;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-neon-secondary);
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.copy-tooltip.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid rgba(124, 77, 255, 0.1);
  background: #010103;
  padding: 40px 0;
  text-align: center;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.footer-credit span {
  color: var(--secondary-color);
  text-shadow: var(--secondary-glow);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding: 120px 0 60px 0;
    gap: 50px;
  }
  .hero-badge {
    align-self: center;
  }
  .hero-title {
    font-size: 3.2rem;
  }
  .hero-desc {
    margin: 0 auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tipe-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-color);
    flex-direction: column;
    padding: 50px 24px;
    gap: 30px;
    transition: left var(--transition-normal);
    border-top: 1px solid rgba(124, 77, 255, 0.1);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 19px;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-dot {
    left: 8px;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .experience-card {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Scroll reveals */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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