/* ===== Font Import (opsional, bisa hapus jika tidak perlu) ===== */
/* Jika ingin pakai Acumin dari cdnfonts, uncomment baris berikut,
   tapi perhatikan server cdnfonts kadang return 500 (sebaiknya host sendiri jika penting) */
/* @import url('https://fonts.cdnfonts.com/css/acumin-variable-concept'); */

/* Lebih stabil: Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=Poppins:wght@600;700;800&display=swap');

:root{
  --bg:#050915;
  --bg2:#08132b;
  --panel:#0b1431cc;
  --glass:#101a3ecc;

  /* warna utama seperti screenshot (cyan neon) */
  --text:#00d9ff;
  --muted:#C1CCE8;

  /* aksen (pink / ungu) */
  --accent1:#fe56ff;   /* pink neon */
  --accent2:#6A5CFF;   /* ungu */
  --accent3:#FF7FD5;   /* pink */
  --accent4:#0d5fb3;   /* biru tua */
  --accent5:#051630;   /* biru dark */

  --stroke:rgba(84,224,255,.45);
  --radius:18px;
  --shadow:0 18px 40px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.04) inset;

  /* Typography */
  --font-body:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head:"Poppins","Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --lh-body:1.7;
  --lh-head:1.15;

  /* Animation easing */
  --ease-out:cubic-bezier(.2,.8,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}

html{
  -webkit-text-size-adjust:100%;
  text-rendering:optimizeLegibility;
}

body{
  min-height:100%;
  font-family:"Acumin Variable Concept", var(--font-body);
  background:#020614;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-kerning:normal;
  font-variant-ligatures:common-ligatures;
  line-height:var(--lh-body);
  letter-spacing:.12px;
  text-align:center;
}

.page-bg{
  position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 10% 0%, rgba(84,224,255,.18), transparent 55%),
    radial-gradient(circle at 90% 100%, rgba(255,127,213,.18), transparent 55%),
    linear-gradient(180deg, rgba(3,10,28,.95), rgba(2,6,20,.98)),
    url('../img/bg.jpg') center/cover no-repeat;
  filter:saturate(1.05);
}

/* layout */
.wrap{width:min(1150px,92%);margin-inline:auto}
.main-wrap{padding:90px 0 40px}

/* header */
.top-header{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(180deg, rgba(6,16,45,.94), rgba(6,16,45,.82));
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(84,224,255,.24);
  box-shadow:0 10px 26px rgba(0,0,0,.6);
}
.header-inner{
  display:flex;align-items:center;justify-content:center;
  padding:10px 0;
}
.brand-box{
  display:flex;align-items:center;gap:12px;
  justify-content:center;
}
.brand-logo img{
  height:54px;width:auto;object-fit:contain;
  filter:drop-shadow(0 0 18px rgba(84,224,255,.6));
}
.brand-text{
  display:flex;flex-direction:column;gap:2px;
  text-align:center;
}
.brand-name{
  font-family:var(--font-head);
  font-size:22px;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;
}
.brand-tagline{
  font-size:12px;color:var(--muted);
}

/* main card */
.main-card{
  background:linear-gradient(135deg, rgba(16,26,62,.96), rgba(7,13,36,.98));
  border-radius:26px;
  box-shadow:var(--shadow);
  padding:28px 24px 26px;
  border:1px solid rgba(170,195,255,.18);
  text-align:center;

  max-width:880px;
  margin-inline:auto;
}

/* Heading utama */
.main-card h1{
  font-family:var(--font-head);
  font-weight:800;
  letter-spacing:.2px;
  line-height:var(--lh-head);
  font-size:clamp(1.45rem, 2.2vw + .9rem, 2.2rem);
  margin-bottom:10px;
  color:var(--text);
}

/* body text */
.lead{
  font-size:1.02rem;
  line-height:1.75;
  color:rgba(193,204,232,.86);
  margin-bottom:16px;
}
.lead b, .lead strong{
  color:rgba(255,255,255,.92);
  font-weight:800;
}
.lead.small{
  font-size:.95rem;
  color:#e9e9e9d1;
}

/* bill grid */
.bill-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-bottom:24px;
}

.bill-card{
  text-align:center;
  padding:12px;
  position:relative;
}

/* badge */
.bill-badge{
  font-size:px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:4px;
  color:var(--accent1);
}
.bill-winrate{
  font-size:12px;
  color:var(--accent1);
  margin-bottom:8px;
}

/* bill image: default hidden, muncul saat is-active */
.bill-image{
  overflow:hidden;
  border-radius:16px;
  margin:8px auto 8px;
  border:1px solid rgba(255,255,255,.08);
  max-width:420px;
  display:none;
}
.bill-image img{
  width:100%;
  display:block;
}

.bill-desc{
  font-size:.95rem;
  line-height:1.6;
  color:rgba(0,255,151,.82);
}

/* saat bill dipilih */
.bill-card.is-active .bill-image{
  display:block;
  animation:fadeIn .25s ease-out;
}

@keyframes fadeIn{
  from{opacity:0;transform:translateY(4px);}
  to{opacity:1;transform:translateY(0);}
}

/* ================================
   BILL GRID ENTER ANIMATION
   - Aktif saat #bill-options punya class: anim-enter is-in
   - Item ganjil masuk dari kiri, item genap dari kanan
================================ */
#bill-options.anim-enter .bill-card{
  opacity:0;
  transform:translateY(12px);
  will-change:transform, opacity;
}

/* ganjil (1,3,5) dari kiri */
#bill-options.anim-enter .bill-card:nth-child(odd){
  transform:translateX(-26px) translateY(12px);
}

/* genap (2,4,6) dari kanan */
#bill-options.anim-enter .bill-card:nth-child(even){
  transform:translateX(26px) translateY(12px);
}

#bill-options.anim-enter.is-in .bill-card{
  animation:billEnter .62s cubic-bezier(.2,.9,.2,1) forwards;
}

/* stagger */
#bill-options.anim-enter.is-in .bill-card:nth-child(1){ animation-delay:.05s; }
#bill-options.anim-enter.is-in .bill-card:nth-child(2){ animation-delay:.12s; }
#bill-options.anim-enter.is-in .bill-card:nth-child(3){ animation-delay:.19s; }
#bill-options.anim-enter.is-in .bill-card:nth-child(4){ animation-delay:.26s; }
#bill-options.anim-enter.is-in .bill-card:nth-child(5){ animation-delay:.33s; }
#bill-options.anim-enter.is-in .bill-card:nth-child(6){ animation-delay:.40s; }

@keyframes billEnter{
  from{opacity:0;}
  to{opacity:1;transform:translateX(0) translateY(0);}
}

/* glass button style */
.glass-btn{
  position:relative;
  border:none;
  background:transparent;
  color:var(--text);
  border-radius:var(--radius);
  padding:10px 14px;
  cursor:pointer;
  isolation:isolate;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  z-index:0;
}

/* border gradient */
.glass-btn::before{
  content:"";
  position:absolute;inset:0;
  border-radius:inherit;
  padding:1px;
  background:
    linear-gradient(135deg,var(--accent4),var(--accent2)),
    linear-gradient(315deg,var(--accent3),var(--accent1));
  -webkit-mask:
     linear-gradient(#000 0 0) content-box,
     linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask:
     linear-gradient(#000 0 0) content-box,
     linear-gradient(#000 0 0);
  mask-composite:exclude;
  opacity:.9;
  z-index:-1;
}
.glass-btn::after{
  content:"";
  position:absolute;inset:1px;
  border-radius:inherit;
  background:
    linear-gradient(145deg,rgba(9,18,52,.98),rgba(3,9,28,.98));
  box-shadow:0 12px 26px rgba(0,0,0,.75) inset;
  z-index:-1;
}

/* hover */
.glass-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 32px rgba(0,0,0,.85);
}

/* primary button */
.primary-btn{
  font-size:14px;
  font-weight:750;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  color:var(--text);
  letter-spacing:.2px;
}
.primary-btn.full{width:100%;margin-top:4px}

/* step sections */
.step-claim, .step-account, .form-wrap{
  margin-top:22px;
  padding-top:18px;
  border-top:1px dashed rgba(255,255,255,.767);
}
.step-claim h2,
.form-wrap h2{
  font-family:var(--font-head);
  font-size:18px;
  margin-bottom:6px;
  line-height:1.2;
}

#selected-bill-label{
  font-size:1rem;
  margin-bottom:12px;
  color:var(--accent1);
}

/* account choice */
.account-choice{
  display:flex;
  gap:10px;
  margin-top:12px;
  flex-wrap:wrap;
  justify-content:center;
}
.pill-btn{
  padding:9px 16px;
  border-radius:999px;
  border:1px solid rgba(151,171,230,.65);
  background:linear-gradient(135deg,rgba(16,27,70,.95),rgba(6,14,37,.95));
  color:var(--text);
  font-size:13px;
  font-weight:750;
  letter-spacing:.2px;
  cursor:pointer;
  transition:background .15s ease,transform .15s ease,box-shadow .15s ease;
}
.pill-btn:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(0,0,0,.7);
}
.pill-btn.outline{
  background:transparent;
}

/* form */
.form-wrap form{
  margin-top:10px;
  max-width:420px;
  margin-inline:auto;
}
.field{
  margin-bottom:10px;
  text-align:left;
}
.field label{
  display:block;
  font-size:12px;
  margin-bottom:4px;
  color:rgba(193,204,232,.88);
  font-weight:600;
  letter-spacing:.15px;
}
.field input,
.field select{
  width:100%;
  border-radius:10px;
  border:1px solid rgba(151,171,230,.6);
  background:rgba(8,15,38,.92);
  color:var(--text);
  padding:8px 10px;
  font-size:1rem;
  line-height:1.35;
}
.field input:focus,
.field select:focus{
  outline:none;
  border-color:var(--accent1);
  box-shadow:0 0 0 1px rgba(84,224,255,.4);
}

/* footer */
.footer{
  margin-top:24px;
  position:relative;
  padding-bottom:60px;
}
.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  padding:12px 0 0;
  border-top:1px solid rgba(151,171,230,.2);
}
.footer-logo img{
  height:30px;width:auto;object-fit:contain;
}
.footer-text{
  font-size:11px;
  color:rgba(193,204,232,.74);
  text-align:center;
}

/* Style untuk step-claim di footer */
.step-claim{
  margin-top:20px;
  padding-top:18px;
  border-top:1px dashed rgba(255,255,255,.767);
  background:var(--panel);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  text-align:center;
}

/* ========== ENTER ANIMATIONS (generic helper, optional) ========== */
.anim-enter{
  opacity:0;
  transform:translateY(14px);
  filter:blur(6px);
  transition:
    opacity .55s var(--ease-out),
    transform .55s var(--ease-out),
    filter .55s var(--ease-out);
  will-change:transform, opacity, filter;
}
.anim-enter.is-in{
  opacity:1;
  transform:translateY(0);
  filter:blur(0);
}
.anim-stagger{
  transition-delay:var(--delay, 0ms);
}
.anim-pop{
  opacity:0;
  transform:translateY(18px) scale(.98);
  filter:blur(8px);
  transition:
    opacity .6s var(--ease-out),
    transform .6s var(--ease-out),
    filter .6s var(--ease-out);
  will-change:transform, opacity, filter;
}
.anim-pop.is-in{
  opacity:1;
  transform:translateY(0) scale(1);
  filter:blur(0);
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .bill-card.is-active .bill-image,
  .bill-image,
  .glass-btn,
  .primary-btn,
  .pill-btn,
  .anim-enter,
  .anim-pop,
  #bill-options.anim-enter .bill-card,
  #bill-options.anim-enter.is-in .bill-card{
    transition:none !important;
    animation:none !important;
    filter:none !important;
    transform:none !important;
    opacity:1 !important;
  }
}

/* responsive */
@media (max-width:900px){
  .bill-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (max-width:640px){
  .header-inner{justify-content:center}
  .brand-tagline{display:none}
  .main-card{padding:20px 16px;}
  .bill-grid{
    grid-template-columns:repeat(1,minmax(0,1fr));
  }
  .lead{font-size:1rem;}
  .lead.small{font-size:.92rem;}
}