/* Cyber-Robotic Theme - Enhanced Look + Mobile Menu Fix */
:root {
  --primary-bg: #0a0f1c;
  --secondary-bg: #121826;
  --accent-color: #38bdf8;
  --accent-hover: #0ea5e9;
  --text-primary: #e5e7eb;
  --text-secondary: #94a3b8;
  --card-bg: #1e293b;
  --border-color: #334155;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  scroll-behavior: smooth;
}

body {
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
}

.navbar {
  background-color: var(--secondary-bg);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent-color);
}

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

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

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

.dropdown {
  position: relative;
  cursor: pointer;
}

.dropdown-toggle {
  color: var(--text-secondary);
}

.dropdown:hover .dropdown-toggle {
  color: var(--accent-color);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.5rem 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s;
}

.dropdown-menu a:hover {
  background-color: rgba(14, 165, 233, 0.1);
  color: var(--accent-hover);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--accent-color);
  background: none;
  border: none;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 1rem;
  gap: 1rem;
}

.mobile-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  padding: 0.5rem;
  border-radius: 6px;
  transition: background 0.3s, color 0.3s;
}

.mobile-nav a:hover {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-color);
}

.mobile-nav.open {
  display: flex;
}

.hero {
  background: linear-gradient(135deg, #0a0f1c, #1f2937);
  padding: 5rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--accent-color), #60a5fa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.projects-container {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.project-card {
  background: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.project-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.project-full-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.project-full-description.show {
  max-height: 1000px;
}

.read-more-btn {
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.read-more-btn:hover {
  background-color: var(--accent-hover);
}

.project-features {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.project-features h4 {
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.project-features ul {
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.footer {
  background-color: var(--secondary-bg);
  padding: 3rem 0 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent-color);
}

.footer-brand img {
  height: 30px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 0.95rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .project-image {
    height: 200px;
  }
}
.project-showcase {
  padding: 3rem 2rem;
  background: #0a0f1c;
  display: flex;
  justify-content: center;
}

.project-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  overflow: hidden;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.project-image {
  width: 100%;
  object-fit: cover;
  height: 260px;
}

.project-info {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.6rem;
  color: #38bdf8;
  margin-bottom: 1rem;
}

.project-description {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.6;
  transition: max-height 0.3s ease;
}

.project-description.full.hidden {
  display: none;
}

.project-buttons {
  margin-top: 1.2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.read-more-btn, .demo-btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
  font-size: 0.95rem;
}

.read-more-btn {
  background: #3b82f6;
  color: white;
}

.read-more-btn:hover {
  background: #2563eb;
}

.demo-btn {
  background: #0ea5e9;
  color: white;
  text-decoration: none;
  display: inline-block;
}

.demo-btn:hover {
  background: #0284c7;
}

@media (max-width: 768px) {
  .project-card {
    flex-direction: column;
  }

  .project-image {
    height: 200px;
  }
}