body {
  width: 100%;
  margin: 0;
  font-family: Khmer OS Battambang;
  margin: 0;
}

/* ── HEADER ── */
header {
  background: #ffffff;
  padding: 0 clamp(1rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 65px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}
.school-title {
  margin-top: 9px;
}

.school-title h3,
.school-title h4 {
  margin: 0;
  line-height: 1.8;
  font-family: "Khmer OS Muol Light", sans-serif;
  font-weight: 400;
  font-synthesis: none;
  color: #000000;
  margin-left: 10px;
  font-size: clamp(0.5rem, 1.5vw, 1rem);
}

.school-title h4 {
  font-family: "Times New Roman", Times, serif;
  font-size: clamp(0.45rem, 1.2vw, 0.9rem);
}
.logo img {
  height: 45px;
  max-height: 100%;
  margin-top: 1px;
}
.logo {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo span {
  color: var(--accent);
}
nav {
  display: flex;
  gap: clamp(3rem, 2vw, 2rem);
}
nav a {
  font-family: Khmer OS Battambang;
  color: #8d8d8d;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s;
}
nav a.active {
  color: #000000;
}
nav a:hover {
  color: #000000;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.3s;
}
/* ── MOBILE NAV ── */
@media (max-width: 640px) {
  .hamburger {
    display: flex;
  }
  .hamburger span{
  display: block;
  width: 24px;
  height: 3px;
  background-color: #333333;
  border-radius: 2px;
  transition: all 0.3s ease;
}
  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  }
  nav.open {
    display: flex;
  }
  nav a {
    font-size: 1rem;
  }
}




/* * { box-sizing: border-box; margin: 0; padding: 0; } */
.marquee-wrap {
  overflow: hidden;
  background: #22409a;
  border-bottom: 0.5px solid #cbbe02;
  height: 36px;
  display: flex;
  align-items: center;
}
.marquee-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: scroll-left 35s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: #9fe1cb;
  padding: 0 2rem;
}

.marquee-item .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #5dcaa5;
  flex-shrink: 0;
}

.marquee-item strong {
  color: #e1f5ee;
  font-weight: 600;
}

.marquee-divider {
  font-size: 16px;
  padding: 0 0.5rem;
  color: #5dcaa5;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ----------------------------footer------------------------------------------- */

footer {
  background-color: #22409a;
  color: #ffffff;
  padding: 10px 60px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.footer-col h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* Contact column */
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  fill: #ffffff;
}

.contact-item p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: #dce6ff;
}

/* Address column */
.address-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.address-item svg {
  flex-shrink: 0;
  margin-top: 4px;
  fill: #ffffff;
}

.address-item p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: #dce6ff;
}

/* Links column */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #dce6ff;
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.5;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.link-icon {
  width: 20px;
  height: 20px;
  fill: #ffffff;
  flex-shrink: 0;
}

/* Copyright bar */
.footer-bottom {
  text-align: center;
  padding: 16px 0;
  font-size: 0.82rem;
  color: #c5d3f5;
}

/* ── Tablet (≤ 900px): 2 columns, last col full-width ── */
@media (max-width: 900px) {
  footer {
    padding: 10px 32px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }
}

/* ── Mobile (≤ 560px): single column stack ── */
@media (max-width: 560px) {
  footer {
    padding: 10px 20px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-col:last-child {
    grid-column: auto;
  }

  .footer-col h3 {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }

  .footer-bottom {
    font-size: 0.78rem;
    padding: 14px 0;
  }
}