/* =====================================================
   GLOBAL RESET & VARIABLE
===================================================== */
html, body{
  overflow-x: hidden;
}

:root{
  --primary:#2563eb;
  --secondary:#1e40af;
  --accent:#22c55e;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:'Segoe UI',Arial,sans-serif;
  background:linear-gradient(180deg,#f8fafc,#eef2ff);
  color:#334155;
}


/* =====================================================
   NAVBAR
===================================================== */
.navbar{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:1200;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
}

.container{
  max-width:1200px;
  margin:auto;
  padding:12px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
}

/* BRAND */
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  color:#1e3a8a;
  text-decoration:none;
}

.brand img{
  width:40px;
  flex-shrink:0;
}

/* MENU DESKTOP */
@media (min-width:1024px){
  .nav-menu{
    display:flex;
    align-items:center;
    gap:30px;
  }

  .nav-menu a{
    font-size:15px;
    padding:10px 2px;
  }

  .nav-cta{
    margin-left:12px;
  }
}

/* TOGGLE BUTTON */
.nav-toggle{
  display:none;
  width:34px;
  height:26px;
  flex-direction:column;
  justify-content:space-between;
  cursor:pointer;
  background:none;
  border:none;
  z-index:1200;
}

.nav-toggle span{
  height:3px;
  width:100%;
  background:#1e3a8a;
  border-radius:3px;
  transition:.3s;
}

/* TOGGLE ACTIVE */
.nav-toggle.active span:nth-child(1){
  transform:rotate(45deg) translate(6px,6px);
}
.nav-toggle.active span:nth-child(2){
  opacity:0;
}
.nav-toggle.active span:nth-child(3){
  transform:rotate(-45deg) translate(7px,-7px);
}

/* CTA */
.nav-cta{
  padding:10px 20px;
  border-radius:999px;
  background:linear-gradient(135deg,#2563eb,#1e40af);
  color:#fff !important;
  font-weight:600;
}


/* =====================================================
   NAVBAR MOBILE
===================================================== */
@media (max-width:768px){
  .nav-toggle{
    display:flex;
  }

  .nav-menu{
    position:fixed;
    top:0;
    right:0;
    width:75%;
    max-width:320px;
    height:100dvh;
    background:#fff;
    padding:96px 24px 24px;
    display:flex;
    flex-direction:column;
    gap:18px;
    transform:translateX(100%);
    transition:transform .4s cubic-bezier(.4,0,.2,1);
    box-shadow:-20px 0 60px rgba(0,0,0,.2);
    z-index:1150;
  }

  .nav-menu.active{
    transform:translateX(0);
    animation:menuDrop .35s ease both;
  }
}

.nav-overlay{
  position:fixed;
  inset:0;
  background:rgba(2,6,23,.45);
  backdrop-filter:blur(2px);
  opacity:0;
  pointer-events:none;
  transition:.3s;
  z-index:1100;
}

.nav-overlay.active{
  opacity:1;
  pointer-events:auto;
}

body.nav-open{
  overflow:hidden;
}

/* LINK CLEAN */
.nav-menu a,
.nav-menu a:hover,
.nav-menu a:focus,
.nav-menu a:active,
.nav-menu a:visited{
  text-decoration:none !important;
}

.nav-menu a{
  min-height:44px;
  display:flex;
  align-items:center;
  -webkit-tap-highlight-color:transparent;
}

@keyframes menuDrop{
  from{opacity:0; transform:translateY(-10px);}
  to{opacity:1; transform:translateY(0);}
}


/* =====================================================
   HERO
===================================================== */
.hero{
  width:100%;
  padding:140px 0 120px;
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  position:relative;
}

.hero::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:90px;
  background:linear-gradient(to bottom,rgba(255,255,255,0),#f8fafc);
}

.hero-inner{
  max-width:1200px;
  margin:auto;
  padding:0 20px;
  text-align:center;
  color:#fff;
}

.hero h1{
  font-size:36px;
  margin-bottom:16px;
  animation:fadeDown .9s ease forwards;
}

.hero p{
  font-size:16px;
  max-width:760px;
  margin:0 auto;
  opacity:.95;
  animation:fadeUp 1.1s ease forwards;
}


/* =====================================================
   SECTION
===================================================== */
section{
  width:100%;
  padding:80px 20px;
}

.section-inner{
  max-width:1100px;
  margin:auto;
}

section h2{
  text-align:center;
  font-size:32px;
  margin-bottom:50px;
  color:#1e3a8a;
  animation:fadeDown .9s ease forwards;
}


/* =====================================================
   FEATURES
===================================================== */
.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:30px;
}

.card{
  background:#fff;
  padding:35px 30px;
  border-radius:18px;
  text-align:center;
  box-shadow:0 20px 40px rgba(0,0,0,.08);
  transition:.4s;
}

.card:hover{
  transform:translateY(-8px);
  box-shadow:0 30px 60px rgba(0,0,0,.15);
}

.card h3{
  color:#1e40af;
  margin-bottom:10px;
  font-size:22px;
}


/* =====================================================
   PAKET
===================================================== */
.paket-section{
  background:#f8fafc;
  padding:90px 20px;
}

.paket-subtitle{
  text-align:center;
  max-width:600px;
  margin:0 auto 60px;
  color:#64748b;
}

.paket-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}

@media(max-width:1024px){
  .paket-grid{grid-template-columns:repeat(2,1fr);}
}

@media(max-width:640px){
  .paket-grid{grid-template-columns:1fr;}
}

.paket-card{
  background:#fff;
  border-radius:22px;
  padding:40px 30px;
  text-align:center;
  box-shadow:0 20px 40px rgba(0,0,0,.08);
  transition:.4s;
  position:relative;
}

.paket-card:hover{
  transform:translateY(-10px);
  box-shadow:0 30px 60px rgba(0,0,0,.15);
}

.paket-card h3{
  font-size:26px;
  color:#1e40af;
}

.paket-harga{
  font-size:32px;
  font-weight:700;
  color:#2563eb;
}

.paket-periode{
  font-size:14px;
  color:#64748b;
}

.paket-card.highlight{
  border:2px solid #2563eb;
  transform:scale(1.03);
}

.badge{
  position:absolute;
  top:-12px;
  right:20px;
  background:linear-gradient(135deg,#2563eb,#1e40af);
  color:#fff;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
}

.paket-card.premium{
  background:linear-gradient(135deg,#1e40af,#020617);
  color:#fff;
}

.paket-card.premium h3,
.paket-card.premium .paket-harga{
  color:#fff;
}

.paket-card.premium .paket-periode{
  color:#cbd5f5;
}



/* =====================================================
   CONTACT
===================================================== */
.contact-section{
  background:#ffffff;
  padding:90px 20px;
}

.contact-desc{
  max-width:700px;
  margin:0 auto 60px;
  text-align:center;
  color:#64748b;
}

.contact-wrapper{
  display:grid;
  grid-template-columns:1fr 1.3fr;
  gap:50px;
}

/* INFO */
.contact-info{
  display:flex;
  flex-direction:column;
  gap:25px;
}

.info-item{
  display:flex;
  gap:15px;
  background:#f8fafc;
  padding:25px;
  border-radius:16px;
  box-shadow:0 15px 30px rgba(0,0,0,.08);
}

.info-item .icon{
  font-size:22px;
}

.info-item h4{
  margin:0 0 6px;
  color:#1e40af;
}

/* FORM */
.contact-form{
  background:#f8fafc;
  padding:35px;
  border-radius:20px;
  box-shadow:0 20px 40px rgba(0,0,0,.1);
}

.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}

.form-group{
  display:flex;
  flex-direction:column;
  margin-bottom:18px;
}

.form-group label{
  font-size:14px;
  margin-bottom:6px;
  color:#334155;
}

.form-group input,
.form-group textarea{
  padding:12px 14px;
  border-radius:10px;
  border:1px solid #cbd5f5;
  font-size:14px;
}

.form-group input:focus,
.form-group textarea:focus{
  outline:none;
  border-color:#2563eb;
}

/* ACTION */
.form-actions{
  display:flex;
  gap:15px;
  margin-top:10px;
}

.btn-outline{
  background:#fff;
  border:2px solid #2563eb;
  color:#2563eb;
  padding:14px 26px;
  border-radius:30px;
  font-weight:600;
  cursor:pointer;
}

/* RESPONSIVE */
@media(max-width:900px){
  .contact-wrapper{
    grid-template-columns:1fr;
  }

  .form-row{
    grid-template-columns:1fr;
  }
}


/* =====================================================
   CTA
===================================================== */
.cta{
  background:linear-gradient(135deg,#1e40af,#020617);
  color:#fff;
  text-align:center;
  padding:90px 20px;
}

.cta h2{
  font-size:34px;
}

.cta p{
  font-size:18px;
  margin-bottom:30px;
}


/* =====================================================
   BUTTON
===================================================== */
.btn{
  display:inline-block;
  padding:14px 32px;
  border-radius:30px;
  font-weight:600;
  text-decoration:none;
  transition:.3s;
}

.btn-primary{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:#fff;
  box-shadow:0 10px 30px rgba(34,197,94,.35);
}

.btn-primary:hover{
  transform:translateY(-3px);
}


/* =====================================================
   FOOTER
===================================================== */
footer{
  background:#020617;
  color:#94a3b8;
  text-align:center;
  padding:30px 20px;
  font-size:14px;
}


/* =====================================================
   ANIMATION
===================================================== */
@keyframes fadeDown{
  from{opacity:0; transform:translateY(-30px);}
  to{opacity:1; transform:translateY(0);}
}

@keyframes fadeUp{
  from{opacity:0; transform:translateY(30px);}
  to{opacity:1; transform:translateY(0);}
}


/* =====================================================
   RESPONSIVE
===================================================== */
@media(max-width:600px){
  .hero h1{font-size:30px;}
  section h2{font-size:26px;}
}