body {
  font-family:'Segoe UI', sans-serif;
  line-height:1.6;
  background:#f4f6f8;
  transition:0.3s;
}

header {
  padding: 5px 10px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 26px;
  font-weight: bold;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
}

.card {
  background: #fff;
  padding: 25px;
  margin-bottom: 25px;
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.12);
}

.card h2 {
  text-align: center;
  color: #1e90ff;
  margin-bottom: 15px;
  font-size: 22px;
}

.card ul {
  padding-left: 20px;
}

.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.member {
  background: #f0f8ff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(30,144,255,0.2);
  text-align: center;
  transition: transform 0.2s;
}

.member:hover {
  transform: scale(1.05);
}

.member h3 {
  margin: 0;
  color: #333;
  font-size: 18px;
}

.member p {
  margin: 6px 0;
  font-size: 14px;
}

footer {
  background: #1e90ff;
  color: #fff;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
  font-size: 14px;
}

footer a {
  color: #fff;
  text-decoration: underline;
}

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

a {
  text-decoration:none;
  color:inherit;
}

a:hover {
  color:#1d4ed8;
}

header {
  background:#60a5fa;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 1px 5px rgba(0,0,0,0.1);
}

nav {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0.4rem 1.5rem;
}

.hdr {
  font-weight:bold;
  font-size:2.1rem;
  color:#111;
}

.sdybr {
  display:none;
  flex-direction:column;
  justify-content:space-between;
  width:20px;
  height:14px;
  cursor:pointer;
}

.sdybr div {
  width:100%;
  height:2px;
  background:#111;
  border-radius:2px;
  transition:0.3s;
}

.sdybr.active div:nth-child(1) {
  transform:rotate(45deg) translate(3px,3px);
}

.sdybr.active div:nth-child(2) {
  opacity:0;
}

.sdybr.active div:nth-child(3) {
  transform:rotate(-45deg) translate(3px,-3px);
}

#nav-links {
  display:flex;
  gap:0.8rem;
  list-style:none;
}

#nav-links li a {
  color:#111;
  font-weight:500;
  padding:0.3rem 0.6rem;
  border-radius:5px;
  transition:0.3s;
}

#nav-links li a:hover {
  background:rgba(0,0,0,0.05);
}

.breadcrumb {
  padding:0.6rem 1.5rem;
  font-size:0.9rem;
  background:#e2e8f0;
}

.breadcrumb a {
  color:#1d4ed8;
}

.breadcrumb span {
  color:#555;
}

.intro {
  text-align:center;
  padding:2.5rem 1.5rem;
  background:linear-gradient(135deg,#3b82f6,#60a5fa);
  color:#fff;
  border-radius:0 0 40% 40% / 0 0 10% 10%;
}

.intro h1 {
  font-size:2rem;
  margin-bottom:0.6rem;
}

.intro p {
  font-size:1rem;
  color:rgba(255,255,255,0.9);
}

.articles {
  max-width:1100px;
  margin:2rem auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1.2rem;
  padding:0 1.5rem;
  font-family: "Segoe UI", sans-serif;
  line-height: 1.6;
}

article {
  background:#fff;
  padding:1.2rem;
  border-radius:10px;
  box-shadow:0 3px 10px rgba(0,0,0,0.1);
  transition:0.3s;
}

article:hover {
  transform:translateY(-2px);
  box-shadow:0 5px 15px rgba(0,0,0,0.15);
}

article h2 {
  font-size:1.2rem;
  margin-bottom:0.4rem;
  color:#1d4ed8;
}

article p {
  color:#555;
  font-size:0.95rem;
}

footer {
  background:#111827;
  color:#d1d5db;
  text-align:center;
  padding:1.6rem;
  margin-top:2rem;
}

footer a {
  color:#facc15;
}

footer a:hover {
  color:#fff;
}

.overlay {
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.3);
  z-index:900;
  transition:0.3s;
}

@media (max-width:768px){
  .sdybr {display:flex;}
  #nav-links {
    position:fixed;
    top:0;
    left:-200px;
    width:200px;
    height:100%;
    background:#fff;
    flex-direction:column;
    padding-top:3rem;
    gap:1.2rem;
    box-shadow:2px 0 8px rgba(0,0,0,0.1);
    transition:0.3s;
    z-index:1001;
    overflow-y:auto;
  }
  #nav-links.active {left:0;}
  body.nav-open {overflow:hidden;}
  .overlay.active {display:block;}
}

.btn-coba {
  display: inline-block;
  margin-top: 25px;
  padding: 9px 14px;
  background-color: #007BFF;
  color: #000000;
  text-decoration: none;
  border-radius: 10px;
  font-weight: bold;
  border: 1px solid #000000;
  box-shadow: 0 6px 15px rgba(30, 144, 255, 0.4);
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  animation: floatPulse 2s infinite ease-in-out;
}

.btn-coba:hover {
  background-color: #000000;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(30, 144, 255, 0.6);
}

@keyframes floatPulse {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-6px) scale(1.08);
  }
}

.title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
  text-align: center;
  color: #1d4ed8;
}

.lead {
  font-size: 1.1rem;
  color: #374151;
  text-align: center;
  margin-bottom: 20px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.features h3 {
  margin-bottom: 10px;
  color: #2563eb;
}

footer {
  background: #f0f4f8;
  padding: 2rem 1rem;
  font-family: 'Segoe UI', sans-serif;
}

.footer-card {
  background: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border-radius: 12px;
  max-width: 1100px;
  margin: auto;
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-left h3 {
  margin: 0 0 0.5rem 0;
}

.footer-left p {
  margin: 0.3rem 0;
}

.footer-left a {
  color: #2563eb;
  text-decoration: none;
}

.footer-center h4, .footer-right h4 {
  margin-bottom: 0.5rem;
  color: #111827;
}

.footer-center ul {
  list-style:none;
  padding:0;
}

.footer-center ul li {
  margin-bottom:0.3rem;
}

.footer-center ul li a {
  color:#2563eb;
  text-decoration:none;
  transition:0.2s;
}

.footer-center ul li a:hover {
  text-decoration:underline;
}

.footer-right a {
  margin-right:0.8rem;
  display:inline-block;
  transition:transform 0.2s;
}

.footer-right a img {
  width:24px;
  height:24px;
  display:block;
}

.footer-right a:hover {
  transform:scale(1.2);
}

@media(max-width:768px){
  .footer-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .footer-right {
    margin-top:1rem;
  }
  .footer-center {
    margin-top:1rem;
  }
}