*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:Arial, sans-serif;
  background:#10001f;
  color:#fff;
  line-height:1.6;
}
a{text-decoration:none;color:inherit}
.container{width:92%;max-width:1150px;margin:auto}

header{
  position:sticky;top:0;z-index:10;
  background:rgba(16,0,31,.92);
  border-bottom:1px solid rgba(255,215,0,.25);
  backdrop-filter:blur(10px);
}
.nav{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 0;
}
.logo{
  font-size:24px;font-weight:800;color:#ffd76a;
  letter-spacing:.5px;
}
.menu a{margin-left:22px;color:#eee;font-size:14px}
.menu a:hover{color:#ffd76a}

.hero{
  padding:80px 0;
  background:
    radial-gradient(circle at top right, rgba(164,73,255,.4), transparent 35%),
    radial-gradient(circle at bottom left, rgba(255,215,0,.22), transparent 35%);
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.badge{
  display:inline-block;
  padding:8px 14px;
  background:rgba(255,215,0,.12);
  border:1px solid rgba(255,215,0,.4);
  color:#ffd76a;
  border-radius:30px;
  font-size:13px;
  margin-bottom:18px;
}
h1{
  font-size:48px;
  line-height:1.15;
  margin-bottom:18px;
}
h1 span{color:#ffd76a}
.hero p{color:#ddd;font-size:17px;margin-bottom:26px}
.btn{
  display:inline-block;
  padding:15px 28px;
  background:linear-gradient(135deg,#ffd76a,#b87500);
  color:#180024;
  font-weight:800;
  border-radius:12px;
  box-shadow:0 0 25px rgba(255,215,0,.25);
}
.btn.secondary{
  background:transparent;
  color:#ffd76a;
  border:1px solid rgba(255,215,0,.5);
  margin-left:10px;
}
.hero-card{
  background:linear-gradient(160deg,rgba(97,22,150,.9),rgba(26,0,45,.95));
  border:1px solid rgba(255,215,0,.35);
  border-radius:28px;
  padding:30px;
  box-shadow:0 0 40px rgba(127,35,255,.25);
}
.hero-card img{
  width:100%;
  border-radius:20px;
  margin-bottom:20px;
  background:#21003c;
}

section{padding:70px 0}
.section-title{text-align:center;margin-bottom:42px}
.section-title h2{font-size:34px;color:#ffd76a;margin-bottom:10px}
.section-title p{color:#ccc}

.features{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.feature{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,215,0,.18);
  padding:24px;
  border-radius:18px;
}
.feature h3{color:#ffd76a;margin-bottom:10px}
.feature p{color:#ccc;font-size:14px}

.about{
  background:#17002b;
  border-top:1px solid rgba(255,215,0,.18);
  border-bottom:1px solid rgba(255,215,0,.18);
}
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:35px;
  align-items:center;
}
.about p{color:#ddd;margin-bottom:14px}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.card{
  background:linear-gradient(180deg,rgba(95,24,140,.8),rgba(20,0,35,.95));
  border:1px solid rgba(255,215,0,.25);
  border-radius:18px;
  padding:26px;
}
.card h3{color:#ffd76a;margin-bottom:10px}
.card p{color:#ccc;font-size:14px}

.faq-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,215,0,.18);
  padding:22px;
  border-radius:16px;
  margin-bottom:14px;
}
.faq-item h3{color:#ffd76a;margin-bottom:8px}
.faq-item p{color:#ccc}

.cta{
  text-align:center;
  background:linear-gradient(135deg,#2b004f,#5c168c);
  border-top:1px solid rgba(255,215,0,.3);
  border-bottom:1px solid rgba(255,215,0,.3);
}
.cta h2{font-size:36px;color:#ffd76a;margin-bottom:12px}
.cta p{color:#eee;margin-bottom:25px}

footer{
  padding:35px 0;
  background:#090012;
  color:#bbb;
  font-size:14px;
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
footer a{color:#ffd76a;margin-right:14px}

.sendiri {
  margin: 0;
  padding: 0;
  font-family: 'Playfair Display', 'Segoe UI', serif;
  background-color: transparent;
  color: #fff;
  overflow: hidden;
}
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.popup-container {
  position: relative;
  width: 90%;
  max-width: 420px;
  background: linear-gradient(145deg, rgba(16, 0, 20, 0.95), rgba(23, 0, 40, 0.9));
  border-radius: 20px;
  overflow: hidden;
  text-align: center;
  animation: rotateScaleIn 0.8s ease, redGlow 3.5s infinite;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(174, 0, 255, 0.2);
}
.popup-container::before {
  content: "";
  position: absolute;
  top: -100%;
  left: -100%;
  width: 200%;
  height: 200%;
  background: linear-gradient(135deg,
    transparent 45%,
    rgb(181, 0, 209) 50%,
    transparent 55%);
  animation: shineDiagonal 5s linear infinite;
}
.popup-image {
  width: 100%;
  border-bottom: 1px solid rgb(157, 0, 209);
}
.popup-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 25px;
}
.popup-buttons a {
  padding: 16px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #7939d3, #7939d3);
  box-shadow: 0 10px 25px rgb(181, 0, 209);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: 0.4s;
  position: relative;
  overflow: hidden;
}
.popup-buttons a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}
.popup-buttons a:hover::before {
  left: 100%;
}
.popup-buttons a:hover {
  transform: translateY(-4px);
  background: linear-gradient(135deg, #7939d3, #bf00ff);
}
.popup-footer {
  font-size: 13px;
  padding: 20px;
  color: #ccc;
}
.popup-footer span {
  color: #ae02ed;
  font-weight: 600;
  text-shadow: 0 0 8px rgb(209, 209, 0);
}
.close-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  cursor: pointer;
  border: 1px solid rgb(150, 0, 209);
}
.close-btn:hover {
  background: #9eb300;
  transform: rotate(90deg);
}
.close-btn::before,
.close-btn::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 2px;
  background: #fff;
  top: 50%;
  left: 50%;
}
.close-btn::before {
  transform: translate(-50%, -50%) rotate(45deg);
}
.close-btn::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.particle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: black;
  border-radius: 50%;
  animation: float 8s infinite;
  opacity: 0.6;
}
@keyframes float {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    transform: translateY(-120px);
    opacity: 0;
  }
}
@keyframes rotateScaleIn {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes redGlow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(105, 0, 180, 0.4), 0 0 40px rgba(120, 120, 0, 0.3);
  }
  50% {
    box-shadow: 0 0 35px rgb(153, 0, 209), 0 0 60px rgba(180, 162, 0, 0.5);
  }
}
@keyframes shineDiagonal {
  0% {
    transform: translate(-100%, -100%) rotate(30deg);
  }
  100% {
    transform: translate(100%, 100%) rotate(30deg);
  }
}