body { font-family: 'Inter', system-ui; }
  input[type="range"] { accent-color: #0ea5e9; }

  /* Real footer preview */
  #preview svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
  }

  body {
    padding-bottom: 300px; /* space for footer preview */
  }
  
  /* Pointer cursor for all buttons */
button,
button * {
  cursor: pointer;
}

/* Pointer cursor for range sliders */
input[type="range"] {
  cursor: pointer;
}

/* Pointer cursor for color inputs */
input[type="color"] {
  cursor: pointer;
}

/* Pointer cursor for selects */
select {
  cursor: pointer;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

/* ===== Content Wrapper ===== */
.content {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ===== Headings ===== */
.content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #0f172a; /* slate-900 */
}

.content h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin: 40px 0 16px;
  color: #0f172a;
}

.content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 28px 0 10px;
  color: #1e293b; /* slate-800 */
}

/* ===== Paragraphs ===== */
.content p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #475569; /* slate-600 */
  margin-bottom: 16px;
}

/* ===== Strong / Emphasis ===== */
.content strong {
  color: #0f172a;
  font-weight: 600;
}

/* ===== Lists ===== */
.content ul,
.content ol {
  margin: 16px 0 24px 20px;
  padding: 0;
}

.content ul li,
.content ol li {
  font-size: 1rem;
  line-height: 1.6;
  color: #334155; /* slate-700 */
  margin-bottom: 10px;
}

/* Custom bullet style */
.content ul li::marker {
  color: #0ea5e9; /* sky-500 */
}

/* ===== Links ===== */
.content a {
  color: #0ea5e9; /* sky-500 */
  text-decoration: none;
  font-weight: 500;
}

.content a:hover {
  text-decoration: underline;
  color: #0284c7; /* sky-600 */
}

/* ===== Sections / Blocks ===== */
.content-section {
  margin-bottom: 48px;
}

/* ===== Highlight Box (Tips / Info) ===== */
.content-box {
  background: #f1f5f9; /* slate-100 */
  border-left: 4px solid #0ea5e9;
  padding: 16px 20px;
  border-radius: 12px;
  margin: 24px 0;
}

.content-box p {
  margin: 0;
  color: #334155;
}

/* ===== FAQ Styling ===== */
.faq h3 {
  margin-top: 24px;
}

.faq p {
  margin-bottom: 12px;
}

/* ===== Code / Inline Code ===== */
.content code {
  background: #020617; /* slate-950 */
  color: #7dd3fc;      /* sky-300 */
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ===== Divider ===== */
.content hr {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 48px 0;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .content {
    padding: 28px 16px;
  }

  .content p {
    font-size: 1rem;
  }
}
/* ===== Header Base ===== */
/* ================= HEADER ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.main-menu {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo (left) */
.main-menu a:first-child {
  font-weight: 700;
  font-size: 22px;
  color: #0f172a !important;
  text-decoration: none;
  display: flex;
  align-items: center;
}

/* Hamburger (right) */
.main-menu span {
  font-size: 28px;
  cursor: pointer;
  color: #334155;
  transition: color 0.2s ease;
}

.main-menu span:hover {
  color: #0ea5e9; /* sky-500 */
}

/* ================= SIDENAV ================= */
.sidenav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1200;
  top: 0;
  left: 0;
  background: #ffffff;
  overflow-x: hidden;
  transition: width 0.35s ease;
  padding-top: 60px;
  box-shadow: -10px 0 30px rgba(0,0,0,0.12);
}

/* Logo inside sidenav */
.sidenav .logo {
  position: absolute;
  top: 14px;
  left: 20px;
  font-size: 20px;
  font-weight: 800;
  color: #0f172a;
  text-decoration: none;
}

/* Close button */
.sidenav .closebtn {
  position: absolute;
  top: 12px;
  right: 18px;
  font-size: 34px;
  text-decoration: none;
  color: #64748b;
  transition: color 0.2s ease;
}

.sidenav .closebtn:hover {
  color: #ef4444;
}

/* Nav links */
.sidenav a {
  padding: 14px 24px;
  text-decoration: none;
  font-size: 16px;
  color: #334155;
  display: block;
  transition: background 0.2s ease, color 0.2s ease;
}

.sidenav a:hover {
  background: #f1f5f9;
  color: #0ea5e9;
}

/* Divider look */
.sidenav a:not(.logo):not(.closebtn) {
  border-bottom: 1px solid #e5e7eb;
}

/* ================= OVERLAY (OPTIONAL BUT RECOMMENDED) ================= */
body.nav-open::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 1100;
}

/* ================= RESPONSIVE ================= */
@media (min-width: 768px) {
  /* Hide hamburger on desktop if needed */
  .main-menu span {
   
  }

  /* Desktop header spacing */
  .main-menu {
    height: 64px;
  }
}

/* ===== Single Bar Footer ===== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
  padding: 14px 0;
  margin-top: 60px;
}

/* Inner layout */
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Left text */
.footer-left {
  font-size: 0.9rem;
  color: #64748b; /* slate-500 */
  margin: 0;
}

/* Footer links */
.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #475569; /* slate-600 */
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #0ea5e9; /* sky-500 */
  text-decoration: underline;
}

/* ===== Mobile ===== */
@media (max-width: 640px) {
  .footer-inner {
    justify-content: center;
    text-align: center;
  }

  .footer-links {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
  }
}