/* 1. CSS VARIABLES & RESET */
:root {
  --bg-main: #020617;        /* Deep Space Slate */
  --bg-card: #0f172a;        /* Midnight Charcoal */
  --bg-nav: rgba(2, 6, 23, 0.85);
  
  --accent-primary: #6366f1;  /* Electric Indigo */
  --accent-secondary: #38bdf8;/* Neon Cyan */
  --accent-glow: rgba(99, 102, 241, 0.25);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', monospace;

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

ul {
  list-style: none;
}

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

/* 2. BACKGROUND SPOTLIGHT EFFECT */
.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(600px circle at var(--x, 50%) var(--y, 50%), rgba(99, 102, 241, 0.12), transparent 40%);
  transition: opacity 0.5s ease;
}

/* 3. NAVBAR STYLES */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.logo-accent {
  color: ffffff;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link i {
  font-size: 0.85rem;
  opacity: 0.7;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent-secondary);
  font-weight: 600;
}

.btn-cv {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-secondary);
  border: 1px solid var(--accent-secondary);
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-cv:hover {
  background-color: rgba(56, 189, 248, 0.1);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
}

/* 4. MAIN LAYOUT & SECTIONS */
main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6rem 0;
  scroll-margin-top: 5rem;
}

.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  font-family: var(--font-mono);
  color: var(--accent-secondary);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.3rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.section-line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
  margin-top: 0.5rem;
}

/* 5. HERO / PROFILE SECTION */
.hero-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: 4rem 0;
}

.hero-container {
  max-width: 1140px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.hero-text {
  max-width: 620px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 2rem 0;
}

/* Kartu Utama */
.visual-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(99, 102, 241, 0.15);
  font-family: var(--font-mono);
  transition: var(--transition-smooth);
}

.visual-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(99, 102, 241, 0.25);
}

.visual-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.visual-title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.visual-body {
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
  line-height: 1.7;
}

/* Color Syntax Highlight (Kode React) */
.visual-body .c-purple { color: #c084fc; font-weight: 600; }
.visual-body .c-cyan   { color: #38bdf8; }
.visual-body .c-green  { color: #4ade80; }
.visual-body .c-yellow { color: #facc15; }
.visual-body .c-blue   { color: #818cf8; }

.visual-body .indent   { padding-left: 1.2rem; }
.visual-body .indent-2 { padding-left: 2.4rem; }
.visual-body .indent-3 { padding-left: 3.6rem; }

/* Badge Melayang (Glassmorphism + Animasi) */
.float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.1rem;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.float-badge i {
  font-size: 1.1rem;
}

/* Posisi & Animasi Floating */
.b-1 {
  top: -10px;
  left: 0px;
  animation: floatAnim 4s ease-in-out infinite;
}

.b-2 {
  top: 40px;
  right: -15px;
  animation: floatAnim 4.5s ease-in-out infinite 0.5s;
}

.b-3 {
  bottom: 20px;
  left: -20px;
  animation: floatAnim 3.8s ease-in-out infinite 1s;
}

.b-4 {
  bottom: -10px;
  right: 10px;
  animation: floatAnim 4.2s ease-in-out infinite 1.5s;
}

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

/* Responsive */
@media (max-width: 640px) {
  .float-badge {
    display: none; /* Sembunyikan badge melayang di layar kecil HP agar tidak berantakan */
  }
}

/* Jendela IDE Code Mockup */
.code-window {
  width: 100%;
  max-width: 480px;
  background: #090d16;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.15);
  font-family: var(--font-mono);
  transition: var(--transition-smooth);
}

.code-window:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 40px rgba(99, 102, 241, 0.25);
}

.code-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.code-title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.code-body {
  padding: 1.25rem 1.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-x: auto;
}

/* Syntax Highlighting Warna Kode */
.code-body .keyword { color: #f472b6; font-weight: 600; }
.code-body .variable { color: #38bdf8; }
.code-body .property { color: #818cf8; }
.code-body .string { color: #34d399; }

/* Responsive untuk Layar HP / Tablet */
@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: 30px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: 0.85rem;
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 0.8rem;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-secondary) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
}

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

.hero-socials {
  display: flex;
  gap: 1.2rem;
}

.hero-socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
}

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

/* ABOUT SECTION */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.lead-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.2rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.about-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  overflow: hidden;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.about-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.about-card h4 {
  color: var(--accent-secondary);
  font-size: 1.1rem;
}

.institution {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.year-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
}

.edu-highlights li {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.edu-highlights i {
  color: var(--accent-primary);
  font-size: 0.8rem;
}

/* EDUCATION SECTION */
.education-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.edu-card {
  display: flex;
  gap: 1.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.edu-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.edu-icon {
  width: 54px;
  height: 54px;
  min-width: 54px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.edu-content {
  flex: 1;
}

.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.edu-degree {
  font-size: 1.3rem;
  color: var(--text-main);
  font-weight: 700;
}

.edu-institution {
  color: var(--accent-secondary);
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

.edu-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  color: var(--text-muted);
  white-space: nowrap;
}

.edu-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.edu-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.edu-highlights li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.edu-highlights i {
  color: var(--accent-primary);
  font-size: 0.8rem;
}

@media (max-width: 640px) {
  .edu-card {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
  }
  
  .edu-header {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* SKILLS SECTION */
.skills-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.skill-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.skill-box:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.skill-box.exploring {
  border-style: dashed;
  background: rgba(15, 23, 42, 0.6);
}

.skill-box-title {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skill-box-title i {
  color: var(--accent-secondary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-smooth);
}

.skill-tag:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

@media (max-width: 868px) {
  .skills-wrapper {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* PORTOFOLIO SECTION */
.portfolio-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.project-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.project-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.project-preview {
  background: #090d16;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.browser-header {
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

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

.browser-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.project-img-placeholder {
  flex: 1;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--text-dim);
}

.project-img-placeholder i {
  font-size: 2.5rem;
  color: var(--accent-primary);
}

.project-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-category {
  font-family: var(--font-mono);
  color: var(--accent-secondary);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.project-title {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-secondary);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.proj-btn {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.proj-btn:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
}

.proj-btn.primary {
  color: var(--accent-secondary);
  border-color: rgba(56, 189, 248, 0.3);
}

.proj-btn.primary:hover {
  background: rgba(56, 189, 248, 0.1);
}

/* 9. CONTACT SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info p {
  color: var(--text-muted);
  margin-top: 0.8rem;
  margin-bottom: 2rem;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.c-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.c-card:hover {
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.c-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.c-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.c-val {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.contact-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.contact-action-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.2rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.35rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  width: fit-content;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.btn-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s;
}

.btn-action.primary {
  background: var(--accent-primary);
  color: #fff;
}

.btn-action.whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-action:hover {
  transform: translateY(-2px);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  margin-top: 4rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

/* 11. RESPONSIVE DESIGN (MEDIA QUERIES) */
@media (max-width: 868px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.4s ease;
  }

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

  .nav-links {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }

  .mobile-toggle {
    display: block;
  }
}

  .about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.about-card-container {
  display: flex;
  justify-content: center;
  width: 100%;
}

.about-highlight-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  transition: var(--transition-smooth);
}

.about-highlight-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 25px rgba(99, 102, 241, 0.2);
}

.card-title {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-title i {
  color: var(--accent-secondary);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  transition: var(--transition-smooth);
}

.info-item:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.3);
}

.info-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.info-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.info-value.status-active {
  color: var(--accent-secondary);
}

@media (max-width: 868px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ==========================================================================
   SKILLS SECTION (REVISED 2-COLUMNS CARD LAYOUT)
   ========================================================================== */
.skills-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.skill-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.skill-box:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.skill-box.exploring {
  border-style: dashed;
  background: rgba(15, 23, 42, 0.6);
}

.skill-box-title {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skill-box-title i {
  color: var(--accent-secondary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-smooth);
}

.skill-tag:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

@media (max-width: 868px) {
  .skills-wrapper {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   EXPERIENCE / KEPANITIAAN TIMELINE STYLES
   ========================================================================== */
.experience-timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 2rem;
  border-left: 2px solid rgba(99, 102, 241, 0.3);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.exp-item {
  position: relative;
}

/* Titik Glowing pada garis Timeline */
.exp-dot {
  position: absolute;
  left: calc(-2rem - 6px);
  top: 1.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-secondary);
  border: 2px solid var(--bg-main);
  box-shadow: 0 0 10px var(--accent-secondary);
}

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  transition: var(--transition-smooth);
}

.exp-card:hover {
  border-color: var(--border-hover);
  transform: translateX(6px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.exp-role {
  font-size: 1.2rem;
  color: var(--text-main);
  font-weight: 700;
}

.exp-org {
  color: var(--accent-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  color: var(--text-dim);
  white-space: nowrap;
}

.exp-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.exp-tags span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

@media (max-width: 640px) {
  .experience-timeline {
    padding-left: 1.2rem;
  }
  .exp-dot {
    left: calc(-1.2rem - 6px);
  }
  .exp-header {
    flex-direction: column;
    gap: 0.4rem;
  }
}

/* ==========================================================================
   PROJECT IMAGE STYLES
   ========================================================================== */
.project-img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  max-height: 320px;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: var(--transition-smooth);
}

.project-card:hover .project-img {
  transform: scale(1.03);
}

/* ==========================================================================
   STYLING TOMBOL SUBMIT & FIX AUTOFILL BROWSER
   ========================================================================== */
.btn-submit {
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary, #6366f1), #4f46e5);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, #4f46e5, #4338ca);
}

.btn-submit:active {
  transform: translateY(0);
}

/* Trik agar kolom Email tidak berubah jadi putih saat tersimpan otomatis (autofill) */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text-main, #f8fafc) !important;
  -webkit-box-shadow: 0 0 0px 1000px #090d16 inset !important;
  transition: background-color 5000s ease-in-out 0s;
}

/* ==========================================================================
   ANIMASI & KARTU PESAN TERKIRIM (SUCCESS STATE)
   ========================================================================== */
.contact-form-wrapper {
  position: relative;
  width: 100%;
}

.contact-success-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  animation: fadeInScale 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-icon-circle {
  width: 72px;
  height: 72px;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid #10b981;
  color: #10b981;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.4);
  animation: popCheck 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.1s both;
}

@keyframes popCheck {
  0% { transform: scale(0); }
  80% { transform: scale(1.18); }
  100% { transform: scale(1); }
}

.contact-success-card h3 {
  font-size: 1.4rem;
  color: var(--text-main);
  margin-top: 0.5rem;
}

.contact-success-card p {
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
  max-width: 360px;
  margin-bottom: 0.5rem;
}

/* Tombol Kirim Pesan Lain */
.btn-submit.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  box-shadow: none;
}

.btn-submit.secondary:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
}

/* Badge Status di Atas Hero Title */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--accent-secondary, #38bdf8);
  font-size: 0.825rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  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 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}