/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: #1e293b;
  --gradient: linear-gradient(135deg, #3b82f6, #06b6d4);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--accent);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 8px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 4px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

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

.btn-primary:hover {
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent-light);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  text-align: center;
}

/* ===== Navigation ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

#navbar.scrolled {
  background: rgba(10, 14, 23, 0.98);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-logo:hover {
  color: var(--text);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  background: var(--gradient);
  padding: 8px 20px !important;
  border-radius: 4px;
  color: #fff !important;
}

.nav-cta:hover {
  box-shadow: 0 0 16px var(--accent-glow);
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s;
}

/* ===== Hero ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  background: radial-gradient(ellipse at center, #0f1729 0%, #0a0e17 70%);
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(59, 130, 246, 0.03) 49.5%, rgba(59, 130, 246, 0.03) 50.5%, transparent 50.5%),
    linear-gradient(0deg, transparent 49.5%, rgba(59, 130, 246, 0.03) 49.5%, rgba(59, 130, 246, 0.03) 50.5%, transparent 50.5%);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: perspective(500px) rotateX(30deg) translateY(0); }
  100% { transform: perspective(500px) rotateX(30deg) translateY(60px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
}

.hero-logo {
  width: 160px;
  height: auto;
  margin: 0 auto 24px;
  filter: drop-shadow(0 0 30px var(--accent-glow));
  animation: logoFloat 6s ease-in-out infinite;
}

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

#hero h1 {
  font-size: 4rem;
  text-transform: uppercase;
  letter-spacing: 6px;
  margin-bottom: 16px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-scroll span {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-dim);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--accent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 40px; }
  50% { opacity: 1; height: 50px; }
}

/* ===== Services ===== */
#services {
  padding: 100px 0;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 28px;
  transition: all 0.3s;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--accent-light);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

/* ===== Portfolio ===== */
#portfolio {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0d1220 50%, var(--bg-dark) 100%);
}

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

.portfolio-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 23, 0.95) 0%, rgba(10, 14, 23, 0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

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

/* ===== Equipment ===== */
#equipment {
  padding: 100px 0;
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

@media (max-width: 900px) {
  .equipment-grid { grid-template-columns: 1fr 1fr; }
}


.equipment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s;
}

.equipment-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.equipment-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.equipment-info {
  padding: 24px;
}

.equipment-info h3 {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.equipment-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.capabilities {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.capability {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.capability-label {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  color: var(--accent-light);
}

.capability span:last-child {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== About ===== */
#about {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0d1220 50%, var(--bg-dark) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.about-text .section-title {
  text-align: left;
}

.about-lead {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.8;
}

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

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

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

.stat-number {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.about-image {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.about-image img {
  width: 100%;
  height: auto;
}

/* ===== Contact ===== */
#contact {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 16px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--accent-light);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-item h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
  color: var(--text);
  font-size: 1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: 'Open Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group select option {
  background: var(--bg-card);
}

.form-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ===== Footer ===== */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
}

.footer-brand img {
  height: 32px;
}

.footer-tagline {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-top: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-image {
    order: -1;
  }

  .about-text .section-title {
    text-align: center;
  }

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

  .capabilities {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.active {
    display: flex;
  }

  #hero h1 {
    font-size: 2.5rem;
    letter-spacing: 3px;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .hero-logo {
    width: 120px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .equipment-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    flex-direction: column;
    gap: 16px;
  }

  #hero h1 {
    font-size: 2rem;
  }
}

/* ===== Animations on scroll ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}