/* technotipsreview.com – Interbola2 micro-site */
:root {
  --blue: #0051ff;
  --white: #ffffff;
  --grey: #f5f5f5;
  --dark: #111;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--grey);
}

header {
  background: var(--blue);
  color: var(--white);
  padding: 1rem 0;
}

header .logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
}

nav a {
  color: var(--white);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

nav a.active,
nav a:hover {
  background: rgba(255, 255, 255, 0.2);
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  background: var(--white);
  border-radius: 8px;
}

section {
  padding: 1.5rem 0;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.25rem;
  margin: 1rem 0 0.5rem;
}

.btn,
.btn.alt {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  margin: 0.5rem 0.5rem 0.5rem 0;
}

.btn.alt {
  background: var(--white);
  color: var(--blue);
  border: 2px solid var(--blue);
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1rem 0;
}

.update {
  font-size: 0.875rem;
  color: #555;
}

.faq dt {
  font-weight: 600;
  margin-top: 1rem;
}

.faq dd {
  margin-left: 1rem;
  color: #444;
}

footer {
  text-align: center;
  padding: 2rem 0;
  font-size: 0.875rem;
  color: #666;
}

/* embed iframe */
.form-box iframe {
  border-radius: 8px;
  max-width: 100%;
}

/* gambar responsif */
picture img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (min-width: 600px) {
  h1 {
    font-size: 2rem;
  }
}