:root {
  --bg-primary: #040810;
  --bg-secondary: #070d1a;
  --bg-card: #0a1120;
  --cyan: #00f5ff;
  --violet: #9b59ff;
  --cyan-dim: rgba(0, 245, 255, 0.15);
  --violet-dim: rgba(155, 89, 255, 0.15);
  --text-primary: #e8f0fe;
  --text-secondary: #7a8fa6;
  --border: rgba(0, 245, 255, 0.12);
  --glow-cyan:
    0 0 20px rgba(0, 245, 255, 0.4), 0 0 60px rgba(0, 245, 255, 0.15);
  --glow-violet:
    0 0 20px rgba(155, 89, 255, 0.4), 0 0 60px rgba(155, 89, 255, 0.15);
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: none;
}

/* NOISE TEXTURE */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* CUSTOM CURSOR */
#cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  box-shadow: var(--glow-cyan);
  transition: transform 0.1s ease;
  transform: translate(-50%, -50%);
}
#cursor-trail {
  position: fixed;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(0, 245, 255, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: all 0.15s ease;
}

/* NAVBAR */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 5%;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(4, 8, 16, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s ease;
}
nav.scrolled {
  border-bottom-color: var(--cyan);
  box-shadow: 0 1px 30px rgba(0, 245, 255, 0.08);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-logo span {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}
.logo-cursor {
  display: inline-block;
  width: 3px;
  height: 1.2em;
  background: var(--cyan);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  box-shadow: var(--glow-cyan);
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  box-shadow: var(--glow-cyan);
}
.nav-links a:hover {
  color: var(--cyan);
}
.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--cyan);
  transition: 0.3s;
}

/* HERO */
#home {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 5%;
  max-width: 900px;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.5s forwards;
  min-height: 1.2em;
}

.hero-headline .typed-text {
  color: var(--text-primary);
}
.hero-headline .typed-cursor {
  display: inline-block;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  animation: blink 0.7s step-end infinite;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.7s forwards;
}
.hero-sub strong {
  color: var(--cyan);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.9s forwards;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}
.btn-outline {
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: transparent;
  box-shadow: inset 0 0 0 0 var(--cyan-dim);
}
.btn-outline:hover {
  box-shadow:
    var(--glow-cyan),
    inset 0 0 20px var(--cyan-dim);
  transform: translateY(-2px);
}
.btn-solid {
  border: 1px solid var(--violet);
  color: #fff;
  background: var(--violet);
  box-shadow: var(--glow-violet);
}
.btn-solid:hover {
  background: #b070ff;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(155, 89, 255, 0.6);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.2s forwards;
}
.scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.2em;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  animation: bounce 1.5s ease infinite;
  box-shadow: 2px 2px 6px rgba(0, 245, 255, 0.3);
}
@keyframes bounce {
  0%,
  100% {
    transform: rotate(45deg) translateY(0);
  }
  50% {
    transform: rotate(45deg) translateY(6px);
  }
}

/* SECTION BASE */
section {
  padding: 6rem 5%;
  position: relative;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

/* SCAN LINE DIVIDER */
.scan-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  margin: 0;
  animation: scanLine 4s linear infinite;
  background-size: 200% 100%;
}
@keyframes scanLine {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* SERVICES */
#services {
  background: var(--bg-secondary);
}
#services .inner {
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
  transform-style: preserve-3d;
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--cyan-dim),
    transparent 50%,
    var(--violet-dim)
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 12px;
}
.service-card:hover::before {
  opacity: 1;
}
.service-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px) !important;
}
.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}
.service-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.service-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* FEATURED PROJECT CARD */
.featured-card {
  border-color: rgba(155, 89, 255, 0.3) !important;
  background: linear-gradient(135deg, #0a0d1f, #0d0a1a) !important;
}
.featured-card:hover {
  border-color: var(--violet) !important;
  box-shadow: var(--glow-violet) !important;
}
.featured-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--violet);
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--violet);
  text-decoration: none;
  margin-top: 1rem;
  transition: gap 0.3s ease;
}
.featured-link:hover {
  gap: 0.7rem;
}

/* ABOUT */
#about {
  background: var(--bg-primary);
}
#about .inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.stat-item {
  text-align: left;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  line-height: 1;
  display: block;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  margin-top: 0.3rem;
  display: block;
  text-transform: uppercase;
}
.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}
.about-text p strong {
  color: var(--cyan);
  font-weight: 500;
}

/* TECHNOLOGIES */
#technologies {
  background: var(--bg-secondary);
  overflow: hidden;
}
#technologies .inner {
  max-width: 1200px;
  margin: 0 auto;
}

.marquee-wrapper {
  position: relative;
  overflow: hidden;
  margin-bottom: 1rem;
  mask-image: linear-gradient(
    90deg,
    transparent,
    black 10%,
    black 90%,
    transparent
  );
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    black 10%,
    black 90%,
    transparent
  );
}
.marquee-track {
  display: flex;
  gap: 1rem;
  width: max-content;
  animation: marqueeLeft 30s linear infinite;
}
.marquee-track.reverse {
  animation: marqueeRight 30s linear infinite;
}
@keyframes marqueeLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}
@keyframes marqueeRight {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  background: var(--bg-card);
  white-space: nowrap;
  transition: all 0.3s ease;
  cursor: default;
  letter-spacing: 0.05em;
}
.tech-badge:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

/* WHY CHOOSE US */
#why {
  background: var(--bg-primary);
}
#why .inner {
  max-width: 1200px;
  margin: 0 auto;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.why-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}
.why-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan-dim) 0%, transparent 60%);
  clip-path: polygon(0 0, 60% 0, 40% 100%, 0 100%);
  transition: clip-path 0.4s ease;
  opacity: 0.5;
}
.why-block:hover::after {
  clip-path: polygon(0 0, 80% 0, 60% 100%, 0 100%);
}
.why-block:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px);
}
.why-block.revealed {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}
.why-icon {
  font-size: 2.5rem;
  margin-bottom: 1.2rem;
  display: block;
  position: relative;
  z-index: 1;
}
.why-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}
.why-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* CONTACT */
#contact {
  background: var(--bg-secondary);
  position: relative;
}
#circuit-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
}
#contact .inner {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem;
  text-align: left;
  margin-bottom: 2.5rem;
}
.form-group {
  position: relative;
  margin-bottom: 2rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem 1rem 0.6rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
  resize: none;
}
.form-group textarea {
  height: 130px;
}
.form-group label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 0.9rem;
  pointer-events: none;
  transition: all 0.3s ease;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}
.form-group.textarea label {
  top: 1.2rem;
  transform: none;
}
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: 0.5rem;
  transform: none;
  font-size: 0.68rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border: none;
  border-radius: 8px;
  color: #040810;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.05em;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
  opacity: 0.9;
}
.btn-submit.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: ripple 0.6s ease-out;
}
@keyframes ripple {
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
  }
}

.contact-info {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.contact-info a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
  letter-spacing: 0.05em;
}
.contact-info a:hover {
  color: var(--cyan);
}
.contact-info span {
  font-size: 1rem;
}

/* FOOTER */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--cyan);
  box-shadow: 0 -1px 30px rgba(0, 245, 255, 0.08);
  padding: 3rem 5% 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}
.footer-brand .nav-logo {
  font-size: 1.2rem;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  line-height: 1.6;
}
.footer-links h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.5rem;
}
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.3s ease;
}
.footer-links a:hover {
  color: var(--cyan);
}
.footer-contact h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-contact p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* ANIMATIONS */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(4, 8, 16, 0.97);
    padding: 2rem 5%;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  #about .inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .hero-headline {
    letter-spacing: -1px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-form {
    padding: 2rem 1.5rem;
  }
}
@media (max-width: 480px) {
  section {
    padding: 4rem 5%;
  }
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    text-align: center;
    max-width: 280px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-number {
    font-size: 2.8rem;
  }
}