* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(180deg,#f8fafc,#fff);
  color: #1e293b;
}

a { text-decoration: none; }

nav {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { font-weight: 800; color: #2563eb; }

.nav-links a {
  margin-left: 24px;
  font-weight: 500;
  color: #1e293b;
}

.hamburger {
  display: none;
  font-size: 26px;
  background: none;
  border: none;
}

header {
  background: linear-gradient(135deg,#0f172a,#1e3a8a);
  color: #fff;
  padding: 120px 20px;
  text-align: center;
}

section {
  padding: 90px 20px;
  max-width: 1200px;
  margin: auto;
}

.alt {
  background: #f1f5f9;
  border-radius: 48px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: 32px;
}

.card {
  background: #fff;
  padding: 36px;
  border-radius: 28px;
  box-shadow: 0 25px 60px rgba(0,0,0,.08);
}

.price {
  font-size: 30px;
  font-weight: 800;
  color: #2563eb;
}

.btn-primary {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 28px;
  background: #2563eb;
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
}

.cta {
  background: linear-gradient(135deg,#2563eb,#1e40af);
  color: #fff;
  text-align: center;
  border-radius: 48px;
}

footer {
  background: #020617;
  color: #c7d2fe;
  padding: 50px 20px;
  text-align: center;
}

.fade {
  opacity: 0;
  transform: translateY(20px);
  transition: .6s ease;
}

.fade.show {
  opacity: 1;
  transform: none;
}

.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 56px;
  height: 56px;
  background: #22c55e;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 15px 30px rgba(0,0,0,.25);
}

@media(max-width:768px){
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    right: 20px;
    background: #fff;
    padding: 16px;
    border-radius: 16px;
  }
  .nav-links.show { display: block; }
  .hamburger { display: block; }
}

.logo img{
  height: 100px;        /* lebih bold & profesional */
}
@media(max-width:768px){
  .logo img{
    height: 70px;
  }
}

/* BRAND LOGO */
.brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 56px;          /* NAIK DARI YANG KECIL */
  width: auto;
  max-height: none;      /* INI KUNCI */
  object-fit: contain;
}

/* Desktop polish */
@media (min-width: 768px) {
  .brand-logo {
    height: 64px;
  }
}

/* Mobile tetap proporsional */
@media (max-width: 767px) {
  .brand-logo {
    height: 48px;
  }
}
nav {
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}

.brand-logo {
  transition: transform .3s ease;
}

.brand-logo:hover {
  transform: scale(1.05);
}