/* robotics.css */

body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  background: #f4f6f9;
  color: #222;
  scroll-behavior: smooth;
}

.glass-header {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.centered-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
  color: #2d2dff;
  margin-right: 2rem;
}

.logo span {
  color: #ff4081;
}

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  color: #333;
  transition: background 0.3s;
}

.nav-links li a.active,
.nav-links li a:hover {
  background: #e0e0e0;
}

#themeToggle {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
}

.hero-text {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(to right, #dbeafe, #fff1f2);
}

.hero-text h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}

.hero-text p {
  font-size: 1.2rem;
  color: #555;
}

section {
  padding: 3rem 2rem;
  max-width: 1000px;
  margin: auto;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: rgba(255, 255, 255, 0.8);
  padding: 1.2rem;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border-radius: 8px;
  overflow: hidden;
}

table th, table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.timeline {
  list-style: none;
  padding-left: 1rem;
  border-left: 3px solid #bbb;
}

.timeline li {
  margin-bottom: 1rem;
  padding-left: 0.5rem;
}

blockquote {
  font-style: italic;
  background: #e7f3ff;
  padding: 1rem 1.5rem;
  border-left: 5px solid #2d2dff;
  margin: 2rem 0;
  color: #444;
}

cite {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  color: #888;
}

.faq-section .faq {
  margin-bottom: 1rem;
}

.faq-question {
  background: #f0f0f0;
  border: none;
  width: 100%;
  text-align: left;
  padding: 1rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 8px;
}

.faq-answer {
  display: none;
  padding: 1rem;
  background: #fafafa;
  border-radius: 6px;
  margin-top: 0.3rem;
}

.subscribe {
  background: linear-gradient(to right, #fff, #e0f7ff);
  text-align: center;
  padding: 3rem 1rem;
  border-radius: 12px;
}

.subscribe input {
  padding: 0.8rem;
  width: 60%;
  max-width: 300px;
  border: 1px solid #ccc;
  border-radius: 8px;
  margin-right: 1rem;
}

.subscribe button {
  padding: 0.8rem 1.2rem;
  background: #2d2dff;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.form-feedback {
  margin-top: 0.5rem;
  color: #ff4081;
}

.footer-glass {
  background: rgba(240, 240, 240, 0.7);
  backdrop-filter: blur(6px);
  padding: 2rem;
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  margin-top: 3rem;
}

.footer-links a {
  margin: 0 0.8rem;
  color: #2d2dff;
  text-decoration: none;
}

.dark-mode {
  background: #0e0f11;
  color: #ddd;
}

.dark-mode .glass-header {
  background: rgba(30, 30, 30, 0.6);
}

.dark-mode .nav-links li a {
  color: #ccc;
}

.dark-mode .nav-links li a:hover {
  background: #333;
}

.dark-mode .faq-question {
  background: #222;
  color: #fff;
}

.dark-mode .faq-answer {
  background: #333;
}

.dark-mode .subscribe {
  background: #111;
}

.dark-mode .footer-glass {
  background: rgba(20, 20, 20, 0.7);
  color: #aaa;
}

@media (max-width: 600px) {
  .subscribe input {
    width: 100%;
    margin-bottom: 1rem;
  }
  .subscribe button {
    width: 100%;
  }
}