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

:root {
  --bg-dark: #0a0a0a;
  --bg-card: #111111;
  --bg-secondary: #151515;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent: #00e5c0;
  --accent-hover: #00c9a7;
  --border: #222222;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 16px 0;
}

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

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.btn-nav {
  background: var(--accent) !important;
  color: #000 !important;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600 !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: white;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg, #0a0a0a, #0f1a1a, #0a0a0a);
}

.hero-content h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-content h1 span {
  color: var(--accent);
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: 0.3s;
  display: inline-block;
  font-size: 1rem;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: white;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  transition: 0.3s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Common */
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
}

.section-title span {
  color: var(--accent);
}

.page-hero {
  padding: 140px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, #0f1a1a, #0a0a0a);
}

.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero h1 span {
  color: var(--accent);
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Features */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: 0.3s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  margin-bottom: 12px;
}

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

/* CTA */
.cta {
  padding: 80px 0;
  text-align: center;
  background: var(--bg-secondary);
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.cta p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* About */
.about-content {
  padding: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 50px;
}

.about-text h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.about-text h3 {
  color: var(--accent);
  margin: 28px 0 10px;
}

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

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 16px;
}

.info-card h4 {
  margin-bottom: 8px;
}

.info-card p, .info-card a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Services */
.services-section {
  padding: 80px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  transition: 0.3s;
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  margin-bottom: 12px;
}

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

/* Projects */
.projects-section {
  padding: 80px 0;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.project-item {
  display: flex;
  gap: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: 0.3s;
}

.project-item:hover {
  border-color: var(--accent);
}

.project-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  min-width: 60px;
}

.project-details h3 {
  margin-bottom: 10px;
}

.project-details p {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  background: rgba(0, 229, 192, 0.1);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-right: 8px;
}

/* Contact */
.contact-section {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.contact-item {
  margin-bottom: 24px;
}

.contact-item h4 {
  margin-bottom: 6px;
}

.contact-item p, .contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: white;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

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

.footer-col h3 {
  margin-bottom: 16px;
  color: var(--accent);
}

.footer-col h4 {
  margin-bottom: 16px;
}

.footer-col p, .footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
  }

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

  .hamburger {
    display: flex;
  }

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

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

  .project-item {
    flex-direction: column;
    gap: 12px;
  }
}