/* --- DESIGN SYSTEM & CSS VARIABLES --- */
:root {
  --bg-primary: #070a13;
  --bg-secondary: #0c1122;
  --bg-tertiary: #131b31;
  --card-bg: rgba(15, 22, 42, 0.45);
  
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --primary-glow: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --accent-cyan: #00f2fe;
  --accent-blue: #3b82f6;
  --accent-green: #09f080;
  
  --border-light: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 242, 254, 0.35);
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* --- RESET & BASIC RULES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
}

.container {
  width: min(1200px, calc(100% - 4rem));
  margin: 0 auto;
}

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

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

/* --- NEON GLOW ORBS IN BACKGROUND --- */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -2;
  pointer-events: none;
  opacity: 0.45;
  mix-blend-mode: screen;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.2) 0%, rgba(59, 130, 246, 0.05) 50%, rgba(0, 0, 0, 0) 70%);
  top: -150px;
  left: -150px;
  animation: floatOrb 25s infinite alternate ease-in-out;
}

.glow-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(9, 240, 128, 0.15) 0%, rgba(59, 130, 246, 0.03) 60%, rgba(0, 0, 0, 0) 80%);
  top: 40%;
  right: -200px;
  animation: floatOrb 30s infinite alternate-reverse ease-in-out;
}

.glow-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, rgba(13, 27, 49, 0.1) 70%);
  bottom: -100px;
  left: 20%;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(50px) scale(1.1); }
}

/* --- HEADER / TOPBAR --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: rgba(7, 10, 19, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.topbar.scrolled {
  padding: 0.85rem 0;
  border-bottom-color: rgba(0, 242, 254, 0.15);
  box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.5);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.brand:hover .brand-logo-img {
  transform: rotate(10deg) scale(1.1);
  filter: drop-shadow(0 0 8px var(--accent-cyan));
}

.brand-text {
  background: linear-gradient(135deg, #ffffff 40%, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- NAVIGATION LINKS --- */
.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-weight: 550;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-glow);
  transition: var(--transition-smooth);
}

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

/* --- BUTTONS --- */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 99px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-header {
  padding: 0.55rem 1.35rem;
  font-size: 0.88rem;
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-light);
}

.btn-header:hover {
  background: var(--primary-glow);
  border-color: var(--accent-cyan);
  color: #070a13;
  box-shadow: 0 8px 24px -6px rgba(0, 242, 254, 0.4);
}

.btn-primary {
  padding: 0.95rem 2.25rem;
  font-size: 1rem;
  background: var(--primary-glow);
  color: #070a13;
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px -8px rgba(0, 242, 254, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px -5px rgba(0, 242, 254, 0.55);
}

.btn-secondary {
  padding: 0.95rem 2.25rem;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border-light);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Hamburger toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 4px;
  transition: var(--transition-smooth);
}

/* --- HERO SECTION --- */
.hero-section {
  padding: 9rem 0 7rem 0;
  position: relative;
  overflow: hidden;
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1.1rem;
  background: rgba(0, 242, 254, 0.07);
  border: 1px solid rgba(0, 242, 254, 0.18);
  border-radius: 99px;
  margin-bottom: 2rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  font-weight: 700;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4.15rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.highlight-gradient {
  background: linear-gradient(135deg, var(--accent-cyan) 10%, var(--accent-green) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.75rem;
  font-weight: 400;
}

.hero-actions-group {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Floating animation for visual G */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.visual-card-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.25) 0%, rgba(9, 240, 128, 0.1) 60%, rgba(0,0,0,0) 80%);
  border-radius: 50%;
  filter: blur(20px);
  z-index: -1;
  animation: breatheGlow 6s infinite ease-in-out;
}

@keyframes breatheGlow {
  0%, 100% { transform: scale(0.95); opacity: 0.85; }
  50% { transform: scale(1.05); opacity: 1; }
}

.visual-logo-main {
  width: 250px;
  height: 250px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
}

.floating-animation {
  animation: floatUpDown 5s infinite ease-in-out;
}

@keyframes floatUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* --- SECTION HEADER UTILITY --- */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- ABOUT SECTION --- */
.about-section {
  padding: 7rem 0;
  background-color: var(--bg-secondary);
  position: relative;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.25rem;
  margin-bottom: 5rem;
}

.about-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px -20px rgba(0, 242, 254, 0.15);
}

.about-icon-wrapper {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: 12px;
  color: var(--accent-cyan);
  margin-bottom: 1.75rem;
}

.about-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

/* Stats bar */
.stats-bar {
  display: flex;
  justify-content: space-around;
  background: rgba(15, 22, 42, 0.65);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 2.5rem;
  text-align: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

/* --- PORTFOLIO SECTION --- */
.portfolio-section {
  padding: 8rem 0;
}

.portfolio-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.portfolio-carousel-container {
  overflow: hidden;
  width: 100%;
  padding: 1.5rem 0.5rem;
}

.carousel-track {
  display: flex;
  gap: 2.5rem;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
  user-select: none;
}

.portfolio-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  width: calc(33.333% - 1.67rem);
  flex-shrink: 0;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(15, 22, 42, 0.6);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}

.carousel-arrow:hover {
  background: var(--primary-glow);
  border-color: var(--accent-cyan);
  color: #070a13;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.carousel-arrow.prev {
  left: -2.5rem;
}

.carousel-arrow.next {
  right: -2.5rem;
}

/* Dots indicators */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 2rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  width: 24px;
  border-radius: 99px;
}

@media (max-width: 1024px) {
  .portfolio-card {
    width: calc(50% - 1.25rem);
  }
  .carousel-arrow.prev {
    left: -1rem;
  }
  .carousel-arrow.next {
    right: -1rem;
  }
}

@media (max-width: 768px) {
  .portfolio-card {
    width: 100%;
  }
  .carousel-arrow {
    display: none;
  }
}

.portfolio-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--border-hover);
  box-shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.7), 0 0 30px -10px rgba(0, 242, 254, 0.15);
}

.card-image-container {
  position: relative;
  height: 220px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-tertiary);
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.card-glow-overlay {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  transition: var(--transition-smooth);
}

.glow-monday { background: #6366f1; }
.glow-placar { background: #34d399; }
.glow-guardi { background: #005bb3; }
.glow-gbox { background: #006c52; }
.glow-gupdater { background: #06b6d4; }

.portfolio-card:hover .card-glow-overlay {
  transform: scale(1.4);
  opacity: 0.65;
}

.card-logo {
  width: 110px;
  height: 110px;
  object-fit: contain;
  z-index: 1;
  transition: var(--transition-smooth);
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.4));
}

.portfolio-card:hover .card-logo {
  transform: scale(1.15) rotate(4deg);
}

.card-info {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-cyan);
  letter-spacing: 1.5px;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.card-info h3 {
  font-size: 1.6rem;
  font-weight: 750;
  margin-bottom: 1rem;
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin-bottom: 2rem;
  flex-grow: 1;
  line-height: 1.6;
}

.card-tags {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 99px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.card-actions {
  margin-top: auto;
}

.btn-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-cyan);
  position: relative;
  transition: var(--transition-fast);
}

.btn-card-link svg {
  transition: var(--transition-fast);
}

.btn-card-link:hover {
  color: var(--text-main);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

.btn-card-link:hover svg {
  transform: translate(3px, -3px);
}

/* --- CONTACT SECTION --- */
.contact-section {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.contact-panel-centered {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 2rem 1rem;
}

.contact-panel-centered h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.contact-panel-centered p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 3.5rem;
}

.contact-details-row {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.contact-card-item {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-width: 320px;
  flex: 1;
  max-width: 400px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
  text-align: left;
}

.contact-card-item:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: 0 15px 35px -10px rgba(0, 242, 254, 0.15);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
}

.contact-card-info h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.contact-card-info .contact-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.contact-card-info .contact-link:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(0, 242, 254, 0.25);
}

/* --- FOOTER --- */
.footer {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  color: var(--text-main);
  font-size: 1.15rem;
}

.footer-logo-img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: contain;
}

.footer-links {
  display: flex;
  gap: 1.75rem;
}

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

/* --- MOBILE NAVIGATION OVERLAY --- */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 10, 19, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.mobile-menu-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3.5rem;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-overlay.active .mobile-menu-container {
  transform: translateY(0);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-nav-link {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-secondary);
}

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

.btn-mobile-menu {
  padding: 0.95rem 2.5rem;
  font-size: 1.1rem;
  background: var(--primary-glow);
  color: #070a13;
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 25px rgba(0, 242, 254, 0.3);
}

/* Hamburger animations */
.mobile-menu-toggle.active .hamburger-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 968px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions-group {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .contact-info-panel {
    text-align: center;
  }
  
  .contact-details {
    align-items: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .btn-header {
    display: none;
  }
  
  .stats-bar {
    padding: 1.75rem;
    gap: 1.5rem;
  }
  
  .stat-number {
    font-size: 2.25rem;
  }
  
  .about-card, .portfolio-card, .contact-form-panel {
    padding: 2rem;
  }
  
  .footer-wrapper {
    flex-direction: column;
    text-align: center;
  }
}