:root {
  --primary: #1d809f;
  --secondary: #23272f;
  --light: #f8f9fa;
  --dark: #181a20;
  --accent: #23272f;
  --font: "Source Sans Pro", Arial, sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--dark);
  color: var(--light);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover,
a:focus {
  color: #fff;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center {
  text-align: center;
}

.navbar {
  background: var(--secondary);
  border-bottom: 1px solid #222;
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.navbar-logo {
  height: 100px;
  width: auto;
  display: block;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: 1px;
}
.menu-icon {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--light);
}
.menu-toggle {
  display: none;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
.nav-links li {
  margin: 0;
}
.nav-links a {
  font-weight: 500;
  font-size: 1rem;
  color: var(--light);
  padding: 0.5rem 0;
}
.nav-links a:hover {
  color: var(--primary);
}

@media (max-width: 700px) {
  .nav-links {
    flex-direction: column;
    background: var(--secondary);
    position: absolute;
    top: 100px;
    left: 0;
    right: 0;
    display: none;
    border-bottom: 1px solid #222;
  }
  .menu-icon {
    display: block;
  }
  .menu-toggle:checked + .menu-icon + .nav-links {
    display: flex;
  }
}

.logo-section {
  padding: 2rem 0 1rem 0;
}
.main-logo {
  width: 45%;
  max-width: 320px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.hero {
  background: linear-gradient(rgba(29, 128, 159, 0.2), rgba(29, 128, 159, 0.2)),
    url("https://machineboy.com/wp-content/uploads/2020/07/embracelet_2000x1000.jpg")
      center/cover no-repeat;
  padding: 3rem 0 2rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  color: var(--light);
}
.hero-content {
  text-align: center;
}
.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 980px;
  margin: 0 auto 2rem auto;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.btn {
  display: inline-block;
  font-weight: 700;
  border: none;
  border-radius: 3px;
  padding: 1rem 2rem;
  margin: 0.5rem 0;
  font-size: 1.1rem;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}
.btn.primary {
  background: var(--primary);
  color: var(--light);
}
.btn.primary:hover,
.btn.primary:focus {
  background: #15607a;
  color: var(--light);
}
.btn.secondary {
  background: #23272f;
  color: var(--light);
}
.btn.secondary:hover,
.btn.secondary:focus {
  background: var(--primary);
  color: var(--light);
}
.btn.light {
  background: var(--light);
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn.light:hover,
.btn.light:focus {
  background: var(--primary);
  color: var(--light);
}

.about-section {
  background: #23272f;
  padding: 3rem 0 2rem 0;
}
.about-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--light);
}
.about-section .lead {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #bfc7d5;
}
.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  margin-top: 1rem;
}
.newsletter-form input[type="email"] {
  padding: 0.75rem 1rem;
  border: 1px solid #444;
  border-radius: 3px;
  font-size: 1rem;
  min-width: 220px;
  max-width: 320px;
  background: #181a20;
  color: var(--light);
}
.newsletter-form button {
  padding: 0.75rem 1.5rem;
}

.callout {
  background: linear-gradient(rgba(29, 128, 159, 0.3), rgba(29, 128, 159, 0.3)),
    url("https://machineboy.com/wp-content/uploads/2019/05/mm_veda_hd.jpg")
      center/cover no-repeat;
  padding: 2rem 0 2rem 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  color: var(--light);
}
.callout-logo {
  width: 100%;
  max-width: 350px;
  height: 200px;
  object-fit: contain;
  object-position: center;
  display: block;
  margin: 0 auto 1rem auto;
}
.callout h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 1rem;
  font-weight: 400;
}

.social-section {
  background: #181a20;
  color: var(--light);
  padding: 2.5rem 0 2rem 0;
}
.social-section h2 {
  margin-bottom: 1.5rem;
  font-size: 2rem;
  font-weight: 700;
  color: var(--light);
}
.btn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  max-width: 520px;
  margin: 0 auto;
}
.btn.light {
  max-width: 100px;
  width: 100%;
  margin: 0 auto;
}

.footer {
  background: #23272f;
  color: var(--light);
  padding: 1.5rem 0;
  font-size: 0.95rem;
}
.footer .small {
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 700px) {
  .main-logo {
    width: 70%;
    max-width: 220px;
  }
  .hero {
    padding: 2rem 0 1rem 0;
  }
  .about-section,
  .callout,
  .social-section {
    padding: 1.5rem 0 1rem 0;
  }
  .callout-logo {
    height: 36px;
    max-width: 90vw;
  }
  .btn-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  .newsletter-form {
    flex-direction: column;
    align-items: stretch;
  }
}