body {
  font-family: Arial, sans-serif;
  margin: 0; padding: 0;
  background: #f4f4f9;
  color: #333;
  scroll-behavior: smooth;
}
header {
  background: linear-gradient(135deg,#0066b3 0%,#0088dd 100%);
  color: white;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  animation: slideDown 0.6s ease-out;
}
@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
section {
  padding: 40px;
  max-width: 900px;
  margin: auto;
  animation: fadeInUp 0.7s ease-out forwards;
  opacity: 0;
}
section:nth-child(1) { animation-delay: 0.1s; }
section:nth-child(2) { animation-delay: 0.2s; }
section:nth-child(3) { animation-delay: 0.3s; }
section:nth-child(4) { animation-delay: 0.4s; }
section:nth-child(5) { animation-delay: 0.5s; }
section:nth-child(6) { animation-delay: 0.6s; }
section:nth-child(7) { animation-delay: 0.7s; }
section:nth-child(8) { animation-delay: 0.8s; }
section:nth-child(9) { animation-delay: 0.9s; }
@keyframes fadeInUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.hero-card {
  display: flex;
  gap: 24px;
  align-items: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(250,250,255,0.95));
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 8px 20px rgba(18,63,88,0.06);
  margin-top: -30px;
  transform: translateY(-10px);
  animation: popIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes popIn {
  from { transform: translateY(-10px) scale(0.95); opacity: 0; }
  to { transform: translateY(-10px) scale(1); opacity: 1; }
}
.hero-left { flex: 1 1 360px; }
.hero-right { width: 320px; flex: 0 0 320px; }
h2 {
  color: #0077cc;
}
pre {
  background: #222;
  color: #eee;
  padding: 20px;
  overflow-x: auto;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4em;
}
/* Water gauge styles */
.gauge {
  --level: 30%; /* default */
  position: relative;
  width: 240px;
  height: 220px;
  background: linear-gradient(#e6f7ff,#fff);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 6px 18px rgba(3,44,77,0.05) inset;
  transition: box-shadow 0.4s ease;
}
.gauge:hover {
  box-shadow: 0 8px 24px rgba(3,44,77,0.12) inset;
}
.gauge .water {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: var(--level);
  background: radial-gradient(circle at 50% 30%, rgba(255,255,255,0.35), rgba(255,255,255,0.08)), linear-gradient(180deg,#00aaff,#006bb3);
  transition: height 800ms cubic-bezier(.2,.9,.2,1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.95);
  font-weight: 700;
  font-size: 22px;
}
.gauge .water::before,
.gauge .water::after {
  content: '';
  position: absolute;
  left: -40%;
  width: 200%; height: 60px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  transform: translateY(-20%) rotate(0deg);
  animation: wave 4s linear infinite;
  opacity: 0.35;
}
.gauge .water::after { animation-duration: 6s; opacity: 0.22; }
@keyframes wave { from { transform: translateX(-50%) translateY(-20%) rotate(0deg); } to { transform: translateX(50%) translateY(-20%) rotate(0deg); } }
.gauge .label { position: absolute; top: 12px; left: 12px; color: #004d66; font-weight:700; }
.status { display:flex; gap:10px; align-items:center; }
.status .dot { width:12px; height:12px; border-radius:50%; background:#2db34a; box-shadow: 0 2px 6px rgba(45,179,74,0.18); }
.status.alert .dot { background: #ff3b30; box-shadow: 0 6px 18px rgba(255,59,48,0.18); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%{ transform: scale(1);}50%{ transform: scale(1.18);}100%{ transform: scale(1);} }
.features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.feature {
  flex: 1 1 250px;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}
footer {
  background: #0077cc;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}
a {
  color: #0077cc;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #0055aa;
  text-decoration: underline;
}
img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  margin-top: 15px;
}
/* New UI improvements */
.btn {
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:10px;border:0;cursor:pointer;
  background:#0077cc;color:#fff;font-weight:600;
  box-shadow:0 6px 18px rgba(3,44,77,0.08);
  transition:transform .12s ease,box-shadow .12s ease,opacity .12s;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(3,44,77,0.15);
}
.btn:active { transform: translateY(0px); }
.download-grid { display:flex;gap:14px;flex-wrap:wrap;margin-top:12px; }
.download-card {
  background:#fff;padding:14px;border-radius:10px;box-shadow:0 6px 18px rgba(18,63,88,0.04);
  min-width:220px;flex:1 1 260px;display:flex;align-items:center;gap:12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.download-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(18,63,88,0.12);
}
.file-meta { flex:1; }
.file-name { font-weight:700;color:#033e5a;margin-bottom:6px;font-size:14px; }
.file-desc { font-size:13px;color:#556068;margin-bottom:8px; }
.badge { display:inline-block;font-size:11px;padding:4px 8px;border-radius:999px;background:#e6f7ff;color:#006fb3;font-weight:700;margin-left:8px; }
.dl-actions { display:flex;gap:8px;align-items:center; }
.tiny { font-size:12px;color:#77838a; }
/* gauge color variants */
.gauge.alert .water { background: linear-gradient(180deg,#ff6b5f,#d94b3d); }
.gauge.high .water { background: linear-gradient(180deg,#ffd166,#ff8a00); color:#05314a; }
/* subtle hover for images */
figure img:hover { transform:translateY(-4px); transition:transform .18s ease; }

/* Award section styles */
.award-section {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(255, 215, 0, 0.08) 100%);
  border-radius: 12px;
  padding: 24px;
  border-left: 5px solid #d4af37;
  margin: 20px 0;
}

.award-title {
  color: #d4af37;
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.award-badge {
  display: inline-block;
  background: #d4af37;
  color: #1a1a1a;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.certificate-container {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 16px;
  flex-wrap: wrap;
}

.certificate-image {
  flex: 1 1 300px;
  min-height: 300px;
}

.certificate-image img {
  width: 100%;
  height: auto;
  border: 3px solid #d4af37;
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.2);
}

.certificate-info {
  flex: 1 1 300px;
}

.certificate-info p {
  line-height: 1.6;
  margin: 10px 0;
}

/* Responsive & Mobile-Friendly Styles */
@media (max-width: 768px) {
  header {
    padding: 20px 16px;
  }
  header h1 {
    font-size: 24px;
    margin: 0;
  }
  header p {
    font-size: 14px;
    margin: 8px 0 0 0;
  }
  section {
    padding: 24px 16px;
    max-width: 100%;
  }
  .container {
    max-width: 100%;
    margin: 20px auto;
    padding: 0 16px;
  }
  .hero-card {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    margin-top: -20px;
  }
  .hero-left { flex: 1 1 100%; }
  .hero-right { width: 100%; flex: 0 0 100%; }
  .gauge {
    width: 100%;
    max-width: 280px;
    height: 240px;
    margin: 0 auto;
  }
  h2 {
    font-size: 22px;
    margin-top: 0;
  }
  h3 {
    font-size: 18px;
  }
  pre {
    font-size: 12px;
    padding: 16px;
    line-height: 1.3em;
  }
  .download-grid {
    flex-direction: column;
    gap: 12px;
  }
  .download-card {
    flex-direction: column;
    align-items: flex-start;
    min-width: 100%;
    padding: 12px;
  }
  .file-meta { flex: 1; width: 100%; }
  .dl-actions { width: 100%; }
  .dl-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .features {
    flex-direction: column;
    gap: 16px;
  }
  .feature {
    flex: 1 1 100%;
    padding: 16px;
  }
  .feature h3 {
    font-size: 16px;
    margin: 0 0 8px 0;
  }
  .feature p {
    font-size: 14px;
    margin: 0;
  }
  .btn {
    padding: 10px 14px;
    font-size: 14px;
    width: auto;
  }
  .btn:hover {
    transform: translateY(-1px);
  }
  figure {
    max-width: 100%;
  }
  figure img {
    max-width: 100%;
  }
  ul, ol {
    padding-left: 20px;
    font-size: 14px;
  }
  li {
    margin-bottom: 8px;
    line-height: 1.5;
  }
  .certificate-container {
    flex-direction: column;
  }
  .certificate-image {
    flex: 1 1 100%;
  }
  .certificate-info {
    flex: 1 1 100%;
  }
}

@media (max-width: 480px) {
  header {
    padding: 16px 12px;
  }
  header h1 {
    font-size: 20px;
  }
  header p {
    font-size: 12px;
  }
  section {
    padding: 16px 12px;
  }
  .container {
    padding: 0 12px;
  }
  h2 {
    font-size: 20px;
  }
  h3 {
    font-size: 16px;
  }
  .gauge {
    width: 100%;
    max-width: 240px;
    height: 200px;
  }
  .gauge .label {
    font-size: 10px;
  }
  .gauge .water {
    font-size: 18px;
  }
  .status {
    font-size: 12px;
  }
  .status .dot {
    width: 10px;
    height: 10px;
  }
  button {
    padding: 8px 10px;
    font-size: 12px;
  }
  .download-card {
    padding: 10px;
  }
  .file-name {
    font-size: 12px;
  }
  .file-desc {
    font-size: 12px;
  }
  .badge {
    font-size: 10px;
    padding: 3px 6px;
  }
  .tiny {
    font-size: 11px;
  }
  pre {
    font-size: 11px;
    padding: 12px;
    line-height: 1.2em;
  }
  .feature h3 {
    font-size: 15px;
  }
  .feature p {
    font-size: 13px;
  }
  ul, ol {
    font-size: 13px;
    padding-left: 16px;
  }
  li {
    margin-bottom: 6px;
  }
  .download-card:hover {
    transform: translateY(-2px);
  }
  figure img:hover {
    transform: translateY(-2px);
  }
  .award-title {
    font-size: 20px;
  }
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
  .btn {
    padding: 12px 16px;
    min-height: 44px;
  }
  .download-card {
    padding: 16px;
    min-height: 60px;
  }
  .feature {
    padding: 18px;
  }
  button {
    padding: 10px 16px;
    min-height: 44px;
  }
}

/* Ensure footer links remain readable on the blue footer background */
footer a,
footer a:visited {
  color: #ffffff;
}
footer a:hover,
footer a:focus {
  color: #e6f7ff;
  text-decoration: underline;
  outline: none;
  box-shadow: none;
}