:root {
  --primary-color: #f97316; /* Neon Orange */
  --primary-hover: #ea580c;
  --secondary-color: #3b82f6; /* Tech Blue */
  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --text-light: #f8fafc;
  --text-muted: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-darker);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 1.5rem 0;
}

header.scrolled {
  background: rgba(2, 6, 23, 0.9);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 1px;
}

.logo span {
  color: var(--primary-color);
}

.site-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
  display: block;
}

.site-logo:hover {
  transform: scale(1.05);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.8rem;
  color: var(--text-light);
  cursor: pointer;
  z-index: 1001;
}

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

.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.cta-btn {
  background-color: var(--primary-color);
  color: #fff !important;
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
  transition: all 0.3s ease;
}

.cta-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.6);
}

.cta-btn::after {
  display: none;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background-image: url('../images/hero_topography_1778479435757.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(2, 6, 23, 0.9) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 1.5rem;
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--text-light);
  color: var(--text-light);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--text-light);
  color: var(--bg-darker);
}

/* Services Section */
.services {
  padding: 8rem 0;
  background-color: var(--bg-darker);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(249, 115, 22, 0.3);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-img {
  width: 100%;
  height: 200px;
  border-radius: 12px;
  object-fit: cover;
  margin-bottom: 1.5rem;
  filter: brightness(0.8);
  transition: all 0.4s ease;
}

.service-card:hover .service-img {
  filter: brightness(1);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

/* About Section */
.about {
  padding: 8rem 0;
  background-color: var(--bg-dark);
  position: relative;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.about-text {
  flex: 1;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature i {
  color: var(--primary-color);
  font-size: 1.5rem;
  background: rgba(249, 115, 22, 0.1);
  padding: 1rem;
  border-radius: 12px;
}

.feature span {
  font-weight: 600;
  font-size: 1.1rem;
}

.about-stats {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.stat-card {
  background: var(--bg-darker);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  text-align: center;
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  color: var(--text-light);
  font-weight: 500;
}

/* Contact Section */
.contact {
  padding: 8rem 0;
  background-color: var(--bg-darker);
}

.contact-container {
  display: flex;
  gap: 4rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 4rem;
}

.contact-info {
  flex: 1;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.contact-form {
  flex: 1;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  color: var(--text-light);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.05);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.submit-btn {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background: var(--primary-hover);
}

/* Footer */
footer {
  background: #000;
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive */
@media (max-width: 992px) {
  .hero h1 { font-size: 3rem; }
  .about-content, .contact-container { flex-direction: column; }
  .contact-container { padding: 2rem; }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(2, 6, 23, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right 0.4s ease;
    border-left: 1px solid var(--glass-border);
    z-index: 1000;
  }
  .nav-links.active {
    right: 0;
  }
  .hero h1 { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
}