/* ==========================================================================
   ANGGER PORTFOLIO - MODERN DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR PALETTES & THEME VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Default Cyber Neon Theme */
  --bg-main: #090d16;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(28, 37, 57, 0.85);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(0, 242, 254, 0.3);
  
  --primary: #00f2fe;
  --secondary: #9d4edd;
  --accent: #f72585;
  --success: #10b981;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.05);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme 2: Aurora */
[data-theme="aurora"] {
  --bg-main: #041410;
  --bg-card: rgba(10, 35, 28, 0.7);
  --bg-card-hover: rgba(16, 50, 40, 0.85);
  --border-color: rgba(16, 185, 129, 0.15);
  --border-glow: rgba(16, 185, 129, 0.4);
  
  --primary: #10b981;
  --secondary: #06b6d4;
  --accent: #a3e635;
  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(16, 185, 129, 0.1);
}

/* Theme 3: Midnight OLED */
[data-theme="oled"] {
  --bg-main: #000000;
  --bg-card: rgba(20, 20, 25, 0.75);
  --bg-card-hover: rgba(32, 32, 42, 0.9);
  --border-color: rgba(59, 130, 246, 0.15);
  --border-glow: rgba(59, 130, 246, 0.4);
  
  --primary: #3b82f6;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(59, 130, 246, 0.1);
}

/* Theme 4: Matrix Hacker */
[data-theme="matrix"] {
  --bg-main: #030a05;
  --bg-card: rgba(8, 25, 12, 0.75);
  --bg-card-hover: rgba(14, 40, 20, 0.9);
  --border-color: rgba(34, 197, 94, 0.2);
  --border-glow: rgba(34, 197, 94, 0.5);
  
  --primary: #22c55e;
  --secondary: #84cc16;
  --accent: #10b981;
  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(34, 197, 94, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: background-color var(--transition-normal);
}

/* Background Particle Canvas */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

main {
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glass-shadow), 0 0 25px var(--border-glow);
}

/* --------------------------------------------------------------------------
   3. NAVIGATION BAR
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  background: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  height: 70px;
  background: rgba(9, 13, 22, 0.9);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1360px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: 24px;
}

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

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 50px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(0, 242, 254, 0.08);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.btn-nav-cta {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #000;
  font-weight: 600;
  border-radius: 50px;
  margin-left: 12px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-nav-cta:hover {
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--border-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 24px;
}

.theme-toggle-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--primary);
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.theme-toggle-btn:hover {
  transform: rotate(30deg) scale(1.1);
  border-color: var(--primary);
  background: rgba(0, 242, 254, 0.1);
  box-shadow: 0 0 20px var(--border-glow);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  height: 24px;
}

.mobile-menu-toggle .bar {
  width: 100%;
  height: 3px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   4. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  padding: 140px 24px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 2.2rem;
}

.cursor {
  color: var(--primary);
  animation: blink 0.8s infinite;
}

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

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #000;
  box-shadow: 0 4px 20px var(--border-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--border-glow);
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(0, 242, 254, 0.05);
  transform: translateY(-3px);
}

.btn-social {
  width: 48px;
  height: 48px;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 1.2rem;
}

.btn-social:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px) rotate(8deg);
  box-shadow: 0 0 15px var(--border-glow);
}

/* Stats */
.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 28px;
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-plus {
  font-size: 1.5rem;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Visual Avatar Section */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
}

.avatar-glow {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  filter: blur(30px);
  opacity: 0.5;
  animation: glowFloat 6s ease-in-out infinite alternate;
}

@keyframes glowFloat {
  0% { opacity: 0.4; transform: scale(0.98); }
  100% { opacity: 0.7; transform: scale(1.05); }
}

.avatar-border {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  border-radius: 50%;
  border: 4px solid var(--bg-main);
  position: relative;
  z-index: 2;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  z-index: 10;
  padding: 8px 16px;
  border-radius: 50px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  animation: floatMotion 4s ease-in-out infinite alternate;
}

.floating-badge i {
  color: var(--primary);
}

.badge-1 { top: 10px; left: -30px; animation-delay: 0s; }
.badge-2 { top: 180px; left: -50px; animation-delay: 1s; }
.badge-3 { top: 40px; right: -40px; animation-delay: 2s; }
.badge-4 { bottom: 10px; right: -20px; animation-delay: 3s; }

@keyframes floatMotion {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

.scroll-down-indicator {
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 1.4rem;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(10px); }
  60% { transform: translateY(5px); }
}

/* --------------------------------------------------------------------------
   5. SECTIONS GENERAL LAYOUT
   -------------------------------------------------------------------------- */
.section {
  padding: 120px 24px 100px;
  position: relative;
  scroll-margin-top: 100px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 60px;
}

.section-tag {
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
}

.section-line {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   6. ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

.about-bio-card {
  padding: 40px;
}

.card-header-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.about-bio-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.about-bio-card p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.personal-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.highlight-item i {
  color: var(--primary);
}

/* Terminal Widget */
.terminal-widget {
  padding: 0;
  overflow: hidden;
}

.terminal-header {
  background: rgba(0, 0, 0, 0.4);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.terminal-line {
  color: var(--text-muted);
  margin-bottom: 8px;
}

.prompt {
  color: var(--primary);
  font-weight: bold;
}

.terminal-json {
  color: var(--text-main);
  background: none;
  padding: 0;
  margin-bottom: 12px;
}

.json-key { color: var(--secondary); }
.json-string { color: var(--primary); }

.terminal-cursor {
  animation: blink 1s infinite;
}

/* Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pillar-card {
  padding: 28px 24px;
  text-align: center;
}

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.pillar-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.pillar-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6.5. RECENT ACTIVITIES SECTION
   -------------------------------------------------------------------------- */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.activity-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.activity-media-container {
  position: relative;
  height: 260px;
  overflow: hidden;
  background: #000;
}

.activity-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-normal);
}

.activity-card:hover .activity-img {
  transform: scale(1.06);
}

.activity-badge-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(9, 13, 22, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glow);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.activity-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.activity-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.activity-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.activity-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.activity-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.activity-hashtags span {
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--secondary);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.88rem;
}

/* Swiper Controls & Pagination */
.swiper-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 32px;
}

.activity-swiper-prev, .activity-swiper-next {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.activity-swiper-prev:hover, .activity-swiper-next:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #000;
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: 0 0 20px var(--border-glow);
}

.activity-swiper-pagination {
  width: auto !important;
  display: flex;
  gap: 8px;
}

.activity-swiper-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: var(--text-dim);
  opacity: 0.4;
  transition: all var(--transition-fast);
}

.activity-swiper-pagination .swiper-pagination-bullet-active {
  width: 28px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 1;
  box-shadow: 0 0 12px var(--border-glow);
}

/* --------------------------------------------------------------------------
   6.8. LICENSES & CERTIFICATIONS SECTION
   -------------------------------------------------------------------------- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.cert-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.cert-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.cert-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.google-bg { background: rgba(234, 67, 53, 0.12); color: #ea4335; border: 1px solid rgba(234, 67, 53, 0.3); }
.samsung-bg { background: rgba(14, 116, 244, 0.12); color: #0e74f4; border: 1px solid rgba(14, 116, 244, 0.3); }
.ms-bg { background: rgba(0, 164, 239, 0.12); color: #00a4ef; border: 1px solid rgba(0, 164, 239, 0.3); }
.intune-bg { background: rgba(16, 185, 129, 0.12); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }

.cert-title-area {
  flex-grow: 1;
}

.cert-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 2px;
  line-height: 1.3;
}

.cert-issuer {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-weight: 500;
}

.cert-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.cert-issue-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
}

.cert-badge {
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glow);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.award-badge {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #f59e0b;
}

.cert-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.cert-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.cert-skills span {
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.cert-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.cert-link:hover {
  text-decoration: underline;
  color: var(--secondary);
}

/* --------------------------------------------------------------------------
   7. SKILLS SECTION
   -------------------------------------------------------------------------- */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn, .project-filter-btn {
  padding: 10px 22px;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .project-filter-btn:hover,
.filter-btn.active, .project-filter-btn.active {
  color: #000;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-color: transparent;
  box-shadow: 0 0 20px var(--border-glow);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-card {
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.skill-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.skill-info {
  width: 100%;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-weight: 600;
}

.skill-name { font-size: 1rem; }
.skill-percent { color: var(--primary); font-family: var(--font-mono); font-size: 0.9rem; }

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 3px;
  transition: width 1s ease-out;
}

.skill-tag {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   8. PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

.project-banner {
  height: 180px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-gradient-1 { background: linear-gradient(135deg, #091328, #003b73, #0072ce); }
.banner-gradient-2 { background: linear-gradient(135deg, #130924, #3a0ca3, #7209b7); }
.banner-gradient-3 { background: linear-gradient(135deg, #0a1b16, #064e3b, #0284c7); }

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

.project-card:hover .project-banner-img {
  transform: scale(1.06);
}

.banner-svg-illustration {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  pointer-events: none;
}

.tech-illustration-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.project-card:hover .tech-illustration-svg {
  transform: scale(1.06);
}

.project-type-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.btn-project-preview {
  padding: 10px 20px;
  border-radius: 50px;
  background: var(--primary);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}

.btn-project-preview:hover {
  transform: scale(1.05);
}

.project-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-tech-stack span {
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.project-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.project-link-btn {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-link-btn:hover {
  text-decoration: underline;
}

.project-social-icon {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.project-social-icon:hover {
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   9. EXPERIENCE SECTION
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: 13px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 4px solid var(--bg-main);
  box-shadow: 0 0 12px var(--primary);
}

.timeline-content {
  padding: 32px;
}

.timeline-date {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.company-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.company-logo-link:hover {
  transform: translateY(-2px);
}

.timeline-company-logo {
  height: 28px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
  background: rgba(255, 255, 255, 0.95);
  padding: 4px 8px;
  border-radius: 6px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.company-logo-link:hover .timeline-company-logo,
.timeline-company-logo:hover {
  transform: scale(1.1);
  box-shadow: 0 0 16px var(--border-glow);
}

.logo-samsung {
  height: 26px;
  background: #ffffff;
}

.logo-agit {
  height: 28px;
  background: #ffffff;
}

.logo-telkom {
  height: 32px;
  background: #ffffff;
  padding: 4px 8px;
  border-radius: 6px;
}

.timeline-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.timeline-tags span {
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.timeline-badge-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(157, 78, 221, 0.12);
  border: 1px solid rgba(157, 78, 221, 0.3);
  color: var(--secondary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.sub-experience-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 24px;
  padding-left: 18px;
  border-left: 2px dashed var(--border-color);
}

.sub-role-item {
  position: relative;
}

.sub-role-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.sub-role-header .timeline-role {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 0;
}

.sub-role-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 242, 254, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
}

.role-bullets {
  padding-left: 18px;
  margin-top: 8px;
  list-style-type: disc;
}

.role-bullets li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 6px;
}

/* --------------------------------------------------------------------------
   10. THEME PLAYGROUND SECTION
   -------------------------------------------------------------------------- */
.playground-box {
  padding: 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.playground-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.theme-buttons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.theme-select-btn {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}

.theme-select-btn:hover, .theme-select-btn.active {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 20px var(--border-glow);
}

.theme-color-preview {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.cyber-preview { background: linear-gradient(135deg, #00f2fe, #9d4edd); }
.aurora-preview { background: linear-gradient(135deg, #10b981, #06b6d4); }
.oled-preview { background: linear-gradient(135deg, #3b82f6, #8b5cf6); }
.matrix-preview { background: linear-gradient(135deg, #22c55e, #84cc16); }

.theme-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.playground-section {
  margin-bottom: 60px;
}

/* --------------------------------------------------------------------------
   11. CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-section {
  padding-top: 140px;
  padding-bottom: 140px;
  scroll-margin-top: 120px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
}

.contact-info-card {
  padding: 40px;
}

.contact-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.contact-info-card p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--primary);
  transform: translateX(6px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

.contact-form {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input, .form-group textarea {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--border-glow);
}

.btn-block {
  width: 100%;
  justify-content: center;
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   12. MODAL & TOAST
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  max-width: 650px;
  width: 100%;
  padding: 40px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.8rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--primary);
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  color: var(--text-main);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInToast 0.3s ease-out forwards;
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 24px;
  background: rgba(5, 8, 14, 0.9);
  position: relative;
  z-index: 1;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 1.2rem;
}

.footer-links a:hover {
  color: var(--primary);
}

.back-to-top-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--border-glow);
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    margin-top: 32px;
  }

  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-grid, .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .theme-buttons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.8rem; }
  .hero-subtitle { font-size: 1.4rem; }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(9, 13, 22, 0.95);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 32px 0;
    gap: 24px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .skills-grid, .projects-grid, .pillars-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   15. DYNAMIC SCROLL ZOOM & REVEAL ANIMATIONS
   -------------------------------------------------------------------------- */
.scroll-zoom-in {
  opacity: 0;
  transform: scale(0.88) translateY(50px);
  filter: blur(8px);
  will-change: transform, opacity, filter;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
              opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
              filter 0.9s ease-out;
}

.scroll-zoom-in.revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
  filter: blur(0);
}

.scroll-zoom-out {
  opacity: 0;
  transform: scale(1.12) translateY(-30px);
  filter: blur(6px);
  will-change: transform, opacity, filter;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
              opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
              filter 0.9s ease-out;
}

.scroll-zoom-out.revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
  filter: blur(0);
}

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