/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 20px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-3);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-link:hover,
.nav-link.active { color: var(--text-primary); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-cta {
  padding: 10px 24px;
  border: 1px solid var(--accent-1);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-1);
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--accent-1);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 100;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 40px 60px;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
  z-index: 1;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-1);
  background: rgba(0, 212, 255, 0.05);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 30px;
}

.hero-badge i { font-size: 0.9rem; }

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.hero-subtitle .highlight {
  color: var(--accent-1);
  -webkit-text-fill-color: var(--accent-1);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-social {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.hero-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.hero-social a:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.1);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

/* ===== SECTIONS ===== */
.section {
  padding: 120px 40px;
  position: relative;
}

.bg-dark { background: var(--bg-secondary); }

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

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-header.left-align {
  text-align: left;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

/* ===== ABOUT LAYOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper { position: relative; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.about-content h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}

/* ===== GRIDS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 20px;
}

/* ===== CONTACT ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 60px;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact-item i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--accent-1);
  font-size: 1rem;
}

.contact-item a:hover { color: var(--accent-1); }

.contact-social {
  display: flex;
  gap: 12px;
}

.contact-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.contact-social a:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-3px);
}

/* ===== FOOTER ===== */
#footer {
  padding: 80px 40px 30px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
  line-height: 1.6;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.footer-links a:hover { color: var(--accent-1); }

.footer-links p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.footer-social a:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .services-grid,
  .modules-grid,
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image-wrapper { max-width: 400px; margin: 0 auto; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 80px 20px; }
  .nav-container { padding: 0 20px; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: var(--transition);
    border-left: 1px solid var(--border-color);
  }

  .nav-links.open { right: 0; }
  .nav-cta { display: none; }
  .menu-toggle { display: flex; }

  #hero { padding: 100px 20px 40px; }
  .hero-content h1 { font-size: clamp(2.2rem, 8vw, 3.5rem); }

  .services-grid,
  .modules-grid,
  .projects-grid,
  .certs-grid { grid-template-columns: 1fr; }

  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .about-features { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .contact-form { grid-template-columns: 1fr; }
  .contact-wrapper { padding: 30px; }
  .footer-content { grid-template-columns: 1fr; gap: 30px; }

  .section-header { margin-bottom: 40px; }
  .footer-links { text-align: left; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-item { padding: 12px 8px; }
  .stat-number { font-size: 1.3rem; }
  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 12px; }
  .skill-card { padding: 16px 10px; }
  .skill-card .skill-icon { font-size: 1.5rem; }
}