:root {
  --pale-yellow:#fff9e6;
  --accent:#d9c37a;
  --text:#222;
  --muted:#555;
  --max-width:1100px;
}

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

body {
  font-family: "Noto Sans Thai", "Helvetica", Arial, sans-serif;
  color: var(--text);
  background: var(--pale-yellow);
  line-height: 1.6;
}

/* Wrapper */
.wrap {
  max-width: var(--max-width);
  margin: 24px auto;
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  overflow: hidden;
  padding-bottom: 30px;
}

/* Header & Nav */
header {
  display: flex;
  flex-direction: column;
  padding: 18px 24px;
  background: linear-gradient(180deg,var(--pale-yellow),#fff);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-weight: 700;
  font-size: 26px;
  cursor: pointer;
  color: var(--text);
}

nav {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-top: 10px;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
}

nav a:hover {
  background: rgba(217,195,122,0.3);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 3px;
  background: #222;
  border-radius: 2px;
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.95);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-size: 1.5rem;
  margin: 15px 0;
}

.mobile-menu.active {
  display: flex;
}

/* Banner */
.banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 0;
}

/* Section */
section {
  padding: 30px;
}

h2 {
  text-align: center;
  color: #004aad;
  background: #cfe2ff;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 20px;
}

/* Content text */
.content {
  max-width: 900px;
  margin: 0 auto;
  color: var(--muted);
  line-height: 1.6;
  font-size: 16px;
}

/* List points */
.content ul {
  margin: 15px 0 15px 20px;
  padding: 0;
}

.content ul li {
  margin-bottom: 10px;
}

/* Footer */
footer {
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.04);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.2;
}

/* Responsive */
@media (max-width: 900px) {
  nav { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 768px) {
  .content { padding: 20px; }
}

@media (max-width: 600px) {
  .content { padding: 15px; font-size: 15px; }
}