:root {
  --primary: #111;
  --light: #ffffff;
  --muted: #666;
  --border: #eaeaea;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background: var(--light);
  color: var(--primary);
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav ul {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
}

/* HERO */
.hero {
  height: 95vh;
  background:
    linear-gradient(
      rgba(255, 255, 255, 0.85),
      rgba(255, 255, 255, 0.85)
    ),
    url("assets/hero-robot-arms.jpg") center / cover no-repeat;

  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
}


.hero-content {
  max-width: 850px;
  padding: 80px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 20px;
}

.hero p {
  color: var(--muted);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* BUTTONS */
.btn {
  padding: 14px 34px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

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

.outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}

/* SECTIONS */
.section {
  padding: 120px 10%;
  text-align: center;
}

.section.alt {
  background: #fafafa;
}

.section-text {
  max-width: 700px;
  margin: 20px auto 60px;
  color: var(--muted);
}

.narrow {
  max-width: 500px;
}

/* CARDS */
.cards {
  display: flex;
  gap: 40px;
  justify-content: center;
}

.card {
  max-width: 300px;
  border: 1px solid var(--border);
  padding: 20px;
}

.card img {
  width: 100%;
  margin-bottom: 20px;
}

/* TEAM */
.team-card {
  max-width: 320px;
  margin: 50px auto;
  border: 1px solid var(--border);
  padding: 30px;
}

.team-card img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin: 20px auto;
  display: block;
  border: 2px solid var(--primary);
}


.tag {
  font-size: 0.75rem;
  color: var(--muted);
}

/* DROPDOWNS */
.dropdowns {
  max-width: 600px;
  margin: 60px auto 0;
  text-align: left;
}

details {
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}

/* CONTACT */
.contact-form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input, textarea {
  padding: 12px;
  border: 1px solid var(--border);
}

/* FOOTER */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 15px;
}

.socials a {
  color: var(--primary-dark);
  font-size: 1.3rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.socials a:hover {
  color: var(--text-main);
  transform: translateY(-2px);
}

.team-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.team-card {
  flex: 1;
  max-width: 300px;
}

@media (max-width: 900px) {
  .team-grid {
    flex-direction: column;
    align-items: center;
  }
}