/* ==========================================================
   theme.css — ARIENET v3.1 "Internet Cepat" (tampilan modern)
   - Tanpa font atau ikon dari CDN. Ikon berupa SVG inline.
   - Animasi masuk, latar bergerak, dan efek tombol.
   - Semua animasi dimatikan otomatis untuk pengguna yang memilih
     "kurangi gerakan" di perangkatnya.
   ========================================================== */

:root {
  --kertas:    #eef2ff;
  --panel:     rgba(255, 255, 255, 0.86);
  --panel-solid:#ffffff;
  --panel-2:   #f6f8ff;
  --tinta:     #0b1437;
  --tinta-2:   #5b6785;
  --garis:     rgba(11, 20, 55, 0.10);
  --garis-kuat:rgba(11, 20, 55, 0.22);
  --laju:      #4f46e5;
  --laju-tua:  #3730a3;
  --laju-2:    #06b6d4;
  --nyala:     #facc15;
  --sinyal:    #10b981;
  --siaga:     #ef4444;
  --grad:      linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  --bayang:    0 18px 40px -18px rgba(49, 46, 129, 0.35);
  --radius:    18px;
  --lebar:     1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --kertas:    #070b1f;
    --panel:     rgba(15, 23, 51, 0.82);
    --panel-solid:#0f1733;
    --panel-2:   #131c3e;
    --tinta:     #eef2ff;
    --tinta-2:   #9aa6c7;
    --garis:     rgba(238, 242, 255, 0.10);
    --garis-kuat:rgba(238, 242, 255, 0.22);
    --laju:      #818cf8;
    --laju-tua:  #6366f1;
    --bayang:    0 18px 40px -18px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --kertas:    #070b1f;
  --panel:     rgba(15, 23, 51, 0.82);
  --panel-solid:#0f1733;
  --panel-2:   #131c3e;
  --tinta:     #eef2ff;
  --tinta-2:   #9aa6c7;
  --garis:     rgba(238, 242, 255, 0.10);
  --garis-kuat:rgba(238, 242, 255, 0.22);
  --laju:      #818cf8;
  --laju-tua:  #6366f1;
  --bayang:    0 18px 40px -18px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 84px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  background: var(--kertas);
  color: var(--tinta);
  line-height: 1.55;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* Latar bergerak: dua bola cahaya yang melayang pelan di belakang konten */
body::before,
body::after {
  content: "";
  position: fixed;
  width: 520px; height: 520px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
}
body::before {
  top: -160px; left: -120px;
  background: radial-gradient(circle, #818cf8 0%, transparent 70%);
  animation: melayang 18s ease-in-out infinite alternate;
}
body::after {
  bottom: -200px; right: -120px;
  background: radial-gradient(circle, #22d3ee 0%, transparent 70%);
  animation: melayang 22s ease-in-out infinite alternate-reverse;
}
@keyframes melayang {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 40px) scale(1.12); }
}

::selection { background: color-mix(in srgb, var(--laju) 30%, transparent); }

.bungkus { width: 100%; max-width: var(--lebar); margin: 0 auto; padding: 0 20px; }

a { color: var(--laju); }

h1, h2, h3 { letter-spacing: -0.035em; line-height: 1.1; font-weight: 800; }
h1 { font-size: clamp(2.2rem, 6.6vw, 3.9rem); }
h2 { font-size: clamp(1.55rem, 4vw, 2.2rem); }
h3 { font-size: 1.06rem; letter-spacing: -0.02em; }

p { max-width: 62ch; }

.angka { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* Teks gradien untuk kata penting */
.sorot {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% auto;
  animation: kilau 6s linear infinite;
}
@keyframes kilau { to { background-position: 200% center; } }

/* ---------- animasi masuk (hanya kalau JavaScript aktif) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--tunda, 0ms);
}
.js .reveal.masuk { opacity: 1; transform: none; }

@keyframes naik {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.hero-teks > * { animation: naik 0.8s cubic-bezier(.2,.7,.2,1) both; }
.hero-teks > *:nth-child(2) { animation-delay: 0.08s; }
.hero-teks > *:nth-child(3) { animation-delay: 0.16s; }
.hero-teks > *:nth-child(4) { animation-delay: 0.24s; }

/* ---------- kepala halaman (kaca) ---------- */
.kepala {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--kertas) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--garis);
}
.kepala.padat { box-shadow: 0 10px 30px -18px rgba(30, 27, 75, .35); border-bottom-color: transparent; }
.kepala-isi {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 66px;
}
.merek {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.2rem; letter-spacing: -0.04em;
  color: var(--tinta); text-decoration: none;
}
.logo {
  width: 36px; height: 36px; border-radius: 11px;
  background: var(--grad);
  display: grid; place-items: center;
  box-shadow: 0 8px 20px -8px rgba(79, 70, 229, 0.7);
  position: relative; overflow: hidden;
}
.logo svg { width: 20px; height: 20px; }
.merek small {
  display: block; font-weight: 500; font-size: 0.72rem;
  color: var(--tinta-2); letter-spacing: 0; margin-top: -2px;
}
.titik {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--sinyal); display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: denyut-titik 2s ease-out infinite;
}
@keyframes denyut-titik {
  0%   { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 13px; border-radius: 10px; text-decoration: none;
  color: var(--tinta-2); font-size: 0.92rem; font-weight: 600;
  transition: color .2s, background .2s;
}
.nav a:not(.tombol):hover { color: var(--tinta); background: var(--panel); }

/* ---------- tombol ---------- */
.tombol {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 22px; border-radius: 13px; border: 1px solid transparent;
  font: inherit; font-weight: 700; font-size: 0.97rem;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease, border-color .2s ease;
}
.tombol::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .7s ease;
}
.tombol:hover::after { transform: translateX(120%); }
.tombol:hover { transform: translateY(-2px); }
.tombol:active { transform: translateY(0) scale(.98); }

.tombol-utama {
  background: var(--grad); color: #fff;
  box-shadow: 0 12px 26px -12px rgba(79, 70, 229, 0.75);
}
.tombol-utama:hover { box-shadow: 0 16px 30px -12px rgba(79, 70, 229, 0.85); }
.tombol-utama:disabled {
  opacity: 0.45; cursor: not-allowed; box-shadow: none; transform: none;
  background: color-mix(in srgb, var(--tinta) 30%, #888);
}
.tombol-utama:disabled::after { display: none; }

.tombol-garis {
  background: var(--panel); color: var(--tinta); border-color: var(--garis-kuat);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.tombol-garis:hover { border-color: var(--laju); color: var(--laju); }
.tombol-blok { width: 100%; }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--nyala) 85%, transparent); outline-offset: 3px; border-radius: 6px; }

/* ---------- hero ---------- */
.hero { padding: clamp(40px, 7vw, 84px) 0 clamp(34px, 5vw, 60px); }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 5vw, 64px); align-items: center;
}
.lencana {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 10px; border-radius: 99px;
  background: var(--panel); border: 1px solid var(--garis);
  font-size: 0.84rem; font-weight: 600; color: var(--tinta-2);
  box-shadow: var(--bayang); margin-bottom: 22px;
}
.hero h1 { margin-bottom: 18px; }
.hero .lead { font-size: 1.1rem; color: var(--tinta-2); margin-bottom: 28px; max-width: 52ch; }
.hero-aksi { display: flex; gap: 12px; flex-wrap: wrap; }

.jaminan {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px; margin-top: 34px; max-width: 520px;
}
.jaminan > div {
  padding: 14px 14px 13px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--garis);
  font-size: 0.8rem; color: var(--tinta-2); line-height: 1.35;
}
.jaminan strong {
  display: block; font-size: 1.4rem; color: var(--tinta);
  letter-spacing: -0.04em; margin-bottom: 4px;
}

/* ---------- kartu speedometer (hero kanan) ---------- */
.kartu-meter {
  position: relative;
  background: var(--panel); border: 1px solid var(--garis);
  border-radius: 26px; padding: 26px 22px 18px;
  box-shadow: var(--bayang);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  animation: melayang-kecil 6s ease-in-out infinite;
}
@keyframes melayang-kecil {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.kartu-meter .chip {
  position: absolute; font-size: 0.74rem; font-weight: 700;
  padding: 6px 11px; border-radius: 99px; background: var(--panel-solid);
  border: 1px solid var(--garis); box-shadow: var(--bayang);
  color: var(--tinta); white-space: nowrap;
  animation: melayang-kecil 5s ease-in-out infinite;
}
.kartu-meter .chip.a { top: 14px; left: -6px; }
.kartu-meter .chip.b { bottom: 26px; right: -6px; animation-delay: -2.5s; }
.kartu-meter .chip b { color: var(--sinyal); }

/* speedometer */
.meter { width: 100%; max-width: 330px; margin: 0 auto; display: block; }
.meter-jarum { transform-box: fill-box; transform-origin: 50% 88%; }
.meter-busur { stroke-dasharray: 1; stroke-dashoffset: 1; }
.meter.jalan .meter-busur { animation: isi 1.6s cubic-bezier(.16,.9,.3,1) .3s forwards; }
.meter.jalan .meter-jarum { animation: putar 1.6s cubic-bezier(.16,.9,.3,1) .3s forwards; }
@keyframes isi   { to { stroke-dashoffset: var(--sisa); } }
@keyframes putar { from { transform: rotate(-118deg); } to { transform: rotate(var(--sudut)); } }
@media (prefers-reduced-motion: reduce) {
  .meter.jalan .meter-busur { animation: none; stroke-dashoffset: var(--sisa); }
  .meter.jalan .meter-jarum { animation: none; transform: rotate(var(--sudut)); }
}

/* ---------- bagian ---------- */
.bagian { padding: clamp(40px, 6vw, 76px) 0; }
.bagian-kepala { margin-bottom: 28px; }
.bagian-kepala p { color: var(--tinta-2); margin-top: 10px; }
.bagian-kepala .eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--laju);
  margin-bottom: 10px;
}

/* ---------- saringan paket (segmented control) ---------- */
.saringan {
  display: inline-flex; padding: 5px; gap: 4px; margin-bottom: 22px;
  background: var(--panel); border: 1px solid var(--garis); border-radius: 14px;
  flex-wrap: wrap; box-shadow: var(--bayang);
}
.saringan button {
  font: inherit; font-size: 0.9rem; font-weight: 700;
  padding: 9px 17px; border: 0; border-radius: 10px;
  background: transparent; color: var(--tinta-2); cursor: pointer;
  transition: background .25s ease, color .25s ease, transform .15s ease;
}
.saringan button:hover { color: var(--tinta); }
.saringan button:active { transform: scale(.96); }
.saringan button[aria-selected="true"] {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 18px -10px rgba(79, 70, 229, .9);
}

/* ---------- kartu paket ---------- */
.kisi-paket {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}
.paket {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 22px 20px 20px;
  background: var(--panel-solid); border: 1px solid var(--garis);
  border-radius: 22px; color: inherit; text-decoration: none;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, var(--bayang);
  transition: transform .25s ease, border-color .25s ease, box-shadow .3s ease;
  overflow: hidden;
  animation: naik .55s cubic-bezier(.2,.7,.2,1) backwards;
  animation-delay: var(--tunda, 0ms);
}
.paket::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--grad); opacity: 0; transition: opacity .3s;
}
a.paket:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--laju) 50%, transparent); }
a.paket:hover::before { opacity: 1; }
.paket.habis { opacity: 0.6; filter: grayscale(0.4); }

.paket-atas { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.paket-nama { font-weight: 800; font-size: 1.08rem; letter-spacing: -0.02em; }
.paket-grup {
  font-size: 0.7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 99px;
  background: color-mix(in srgb, var(--laju) 12%, transparent); color: var(--laju);
}
.paket-grup.vip { background: color-mix(in srgb, var(--nyala) 22%, transparent); color: #9a6b00; }
@media (prefers-color-scheme: dark) { .paket-grup.vip { color: var(--nyala); } }
.paket-harga {
  font-size: 1.9rem; font-weight: 800; letter-spacing: -0.05em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.paket-harga small { font-size: 0.8rem; font-weight: 600; color: var(--tinta-2); letter-spacing: 0; margin-left: 4px; }

.paket-ciri { list-style: none; display: grid; gap: 7px; font-size: 0.9rem; color: var(--tinta-2); }
.paket-ciri li { display: flex; gap: 9px; align-items: center; }
.paket-ciri svg { width: 16px; height: 16px; flex: 0 0 16px; color: var(--sinyal); }

.bar { height: 8px; border-radius: 99px; background: color-mix(in srgb, var(--tinta) 9%, transparent); overflow: hidden; }
.bar i {
  display: block; height: 100%; border-radius: 99px; background: var(--grad);
  width: 0; transition: width 1.1s cubic-bezier(.2,.7,.2,1) .2s;
}
.paket.masuk .bar i { width: var(--lebar-bar); }
.bar-teks { font-size: 0.78rem; color: var(--tinta-2); margin-top: 6px; }

.paket-aksi { margin-top: auto; }
.paket-aksi .tombol { width: 100%; }

.stok {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  padding: 2px 9px; border-radius: 99px; vertical-align: 1px;
  background: color-mix(in srgb, var(--sinyal) 14%, transparent); color: var(--sinyal);
}
.stok.tipis  { background: color-mix(in srgb, var(--nyala) 26%, transparent); color: #8a6d00; }
.stok.netral { background: color-mix(in srgb, var(--tinta) 8%, transparent); color: var(--tinta-2); }
.stok.kosong { background: color-mix(in srgb, var(--siaga) 12%, transparent); color: var(--siaga); }
@media (prefers-color-scheme: dark) { .stok.tipis { color: var(--nyala); } }

.kosong-paket {
  grid-column: 1 / -1; text-align: center; padding: 40px 20px;
  color: var(--tinta-2); border: 1px dashed var(--garis-kuat); border-radius: 18px;
}

/* ---------- langkah (cara pakai) ---------- */
.langkah {
  list-style: none; display: grid; gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  counter-reset: n; position: relative;
}
.langkah li {
  counter-increment: n; position: relative;
  padding: 22px 18px 20px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--garis);
  box-shadow: var(--bayang);
  transition: box-shadow .3s ease, border-color .3s ease;
}
.langkah li:hover { box-shadow: 0 22px 44px -20px rgba(79, 70, 229, .45); border-color: color-mix(in srgb, var(--laju) 35%, transparent); }
.langkah li::before {
  content: counter(n); display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--grad); color: #fff;
  font-size: 1rem; font-weight: 800; margin-bottom: 14px;
  box-shadow: 0 10px 20px -10px rgba(79,70,229,.8);
}
.langkah strong { display: block; margin-bottom: 6px; letter-spacing: -0.02em; }
.langkah span { color: var(--tinta-2); font-size: 0.9rem; }

/* ---------- kaki ---------- */
.kaki {
  border-top: 1px solid var(--garis); padding: 34px 0 44px;
  color: var(--tinta-2); font-size: 0.9rem; margin-top: 12px;
}
.kaki-baris { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.kaki a { color: var(--tinta-2); text-decoration: none; margin-right: 16px; transition: color .2s; }
.kaki a:hover { color: var(--laju); }

/* ---------- kartu umum ---------- */
.kartu {
  background: var(--panel); border: 1px solid var(--garis);
  border-radius: var(--radius); padding: 22px;
  box-shadow: var(--bayang);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.kartu + .kartu { margin-top: 16px; }
.kartu-judul { font-size: 1rem; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.02em; }

.kartu-ajakan {
  display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: linear-gradient(135deg, color-mix(in srgb, var(--laju) 14%, var(--panel)), var(--panel));
}

/* ---------- formulir ---------- */
label.field { display: block; margin-bottom: 8px; font-size: 0.9rem; font-weight: 700; }
.isian {
  width: 100%; padding: 14px 16px; font: inherit; font-size: 1rem;
  background: var(--panel-solid); color: var(--tinta);
  border: 1px solid var(--garis-kuat); border-radius: 13px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.isian::placeholder { color: color-mix(in srgb, var(--tinta-2) 70%, transparent); }
.isian:focus {
  outline: none; border-color: var(--laju);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--laju) 18%, transparent);
}
.bantuan { font-size: 0.84rem; color: var(--tinta-2); margin-top: 8px; }

/* ---------- pesan ---------- */
.pesan {
  padding: 13px 16px; border-radius: 13px; font-size: 0.92rem; border: 1px solid;
  margin: 14px 0; animation: naik .4s ease both;
}
.pesan-info  { color: var(--laju);   border-color: color-mix(in srgb, var(--laju) 35%, transparent);   background: color-mix(in srgb, var(--laju) 9%, transparent); }
.pesan-oke   { color: var(--sinyal); border-color: color-mix(in srgb, var(--sinyal) 35%, transparent); background: color-mix(in srgb, var(--sinyal) 10%, transparent); }
.pesan-salah { color: var(--siaga);  border-color: color-mix(in srgb, var(--siaga) 35%, transparent);  background: color-mix(in srgb, var(--siaga) 10%, transparent); }

/* ---------- alur checkout ---------- */
.alur { max-width: 680px; padding: 28px 20px 70px; }
.tahapan {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin-bottom: 26px; list-style: none;
}
.tahapan li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; font-weight: 700; color: var(--tinta-2);
  padding: 10px 12px; border-radius: 12px; background: var(--panel);
  border: 1px solid var(--garis); transition: all .4s ease;
}
.tahapan li .no {
  width: 26px; height: 26px; border-radius: 9px; flex: 0 0 26px;
  display: grid; place-items: center; font-size: 0.8rem;
  background: var(--garis); color: var(--tinta-2); transition: all .4s ease;
}
.tahapan li.aktif { color: var(--tinta); border-color: color-mix(in srgb, var(--laju) 45%, transparent); }
.tahapan li.aktif .no { background: var(--grad); color: #fff; }
.tahapan li.selesai .no { background: var(--sinyal); color: #fff; }
.tahapan li.selesai { color: var(--tinta); }

.tahap { animation: naik .5s cubic-bezier(.2,.7,.2,1) both; }
.sembunyi { display: none !important; }

/* pilihan paket (radio) */
.opsi { display: grid; gap: 10px; }
.opsi label {
  position: relative; display: grid; grid-template-columns: 22px 1fr auto; gap: 14px; align-items: center;
  padding: 15px 16px; border: 1px solid var(--garis); border-radius: 15px;
  background: var(--panel-solid); cursor: pointer;
  transition: border-color .2s, background .2s, transform .15s, box-shadow .25s;
}
.opsi label:hover { border-color: var(--garis-kuat); transform: translateX(2px); }
.opsi input {
  appearance: none; -webkit-appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--garis-kuat); display: grid; place-items: center; margin: 0;
  transition: border-color .2s;
}
.opsi input::after {
  content: ""; width: 10px; height: 10px; border-radius: 50%;
  background: #fff; transform: scale(0); transition: transform .25s cubic-bezier(.2,.9,.3,1.4);
}
.opsi input:checked { border-color: transparent; background: var(--grad); }
.opsi input:checked::after { transform: scale(1); }
.opsi label:has(input:checked) {
  border-color: color-mix(in srgb, var(--laju) 60%, transparent);
  background: color-mix(in srgb, var(--laju) 8%, var(--panel-solid));
  box-shadow: 0 10px 24px -16px rgba(79,70,229,.9);
}
.opsi label.habis { opacity: 0.5; cursor: not-allowed; transform: none; }
.opsi .nama { font-weight: 800; letter-spacing: -0.02em; }
.opsi .ket { font-size: 0.8rem; color: var(--tinta-2); }
.opsi .harga { font-weight: 800; letter-spacing: -0.03em; font-size: 1.02rem; font-variant-numeric: tabular-nums; }

/* kerangka loading */
.kerangka {
  height: 72px; border-radius: 15px; margin-bottom: 10px;
  background: linear-gradient(90deg, var(--panel-2) 25%, color-mix(in srgb, var(--panel-2) 60%, var(--garis)) 37%, var(--panel-2) 63%);
  background-size: 400% 100%;
  animation: kilau-kerangka 1.4s ease infinite;
}
@keyframes kilau-kerangka { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* QR & rincian */
.qr-kotak {
  background: #fff; border-radius: 20px; padding: 16px;
  display: grid; place-items: center; margin: 0 auto 18px; max-width: 290px;
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--laju) 12%, transparent), var(--bayang);
  position: relative;
}
.qr-kotak img { width: 100%; display: block; border-radius: 8px; }
.qr-kotak::after {
  content: ""; position: absolute; left: 16px; right: 16px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--laju-2), transparent);
  top: 16px; opacity: .85; animation: pindai 2.6s ease-in-out infinite;
}
@keyframes pindai {
  0%   { top: 16px; }
  50%  { top: calc(100% - 18px); }
  100% { top: 16px; }
}

.rincian { display: grid; gap: 1px; background: var(--garis); border-radius: 14px; overflow: hidden; }
.rincian > div {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--panel-solid); padding: 12px 15px; font-size: 0.93rem;
}
.rincian span:first-child { color: var(--tinta-2); }
.rincian b { letter-spacing: -0.02em; text-align: right; word-break: break-all; }

/* cincin hitung mundur */
.hitung-wrap { display: flex; align-items: center; gap: 16px; margin: 4px 0 16px; }
.cincin { width: 64px; height: 64px; flex: 0 0 64px; transform: rotate(-90deg); }
.cincin circle { fill: none; stroke-width: 6; }
.cincin .jalur { stroke: var(--garis); }
.cincin .isi  { stroke: var(--laju); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }
.hitung-teks { font-size: 0.85rem; color: var(--tinta-2); }
.hitung-teks b { display: block; font-size: 1.35rem; color: var(--tinta); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }

/* kode voucher */
.kode {
  font-size: clamp(2rem, 10vw, 3rem); font-weight: 800; letter-spacing: 0.12em;
  text-align: center; padding: 22px 10px; user-select: all; word-break: break-all;
  border-radius: 16px; margin-bottom: 14px;
  background: color-mix(in srgb, var(--sinyal) 9%, var(--panel-solid));
  border: 1px dashed color-mix(in srgb, var(--sinyal) 55%, transparent);
  color: var(--sinyal); font-variant-numeric: tabular-nums;
  animation: muncul .6s cubic-bezier(.2,.9,.3,1.3) both;
}
@keyframes muncul { from { transform: scale(.9); opacity: 0; } to { transform: none; opacity: 1; } }

/* centang sukses */
.centang {
  width: 74px; height: 74px; margin: 6px auto 14px; border-radius: 50%;
  background: color-mix(in srgb, var(--sinyal) 15%, transparent);
  display: grid; place-items: center;
  animation: muncul .5s cubic-bezier(.2,.9,.3,1.4) both;
}
.centang svg { width: 40px; height: 40px; }
.centang path {
  fill: none; stroke: var(--sinyal); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 48; stroke-dashoffset: 48;
  animation: gambar .6s ease .3s forwards;
}
@keyframes gambar { to { stroke-dashoffset: 0; } }

/* menunggu (denyut) */
@keyframes denyut { 0%,100% { opacity: 1 } 50% { opacity: .5 } }
.nunggu { animation: denyut 1.6s ease-in-out infinite; }

/* notifikasi kecil */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%);
  background: var(--tinta); color: var(--kertas); padding: 11px 18px; border-radius: 12px;
  font-size: 0.9rem; font-weight: 600; box-shadow: var(--bayang);
  transition: transform .4s cubic-bezier(.2,.9,.3,1.3); z-index: 100; max-width: calc(100% - 32px);
}
.toast.tampil { transform: translate(-50%, 0); }

/* ---------- responsif ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .kartu-meter { max-width: 420px; margin: 0 auto; }
  .langkah { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav a:not(.tombol) { display: none; }
}
@media (max-width: 560px) {
  .langkah { grid-template-columns: 1fr; }
  .kisi-paket { grid-template-columns: 1fr; }
  .jaminan { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .jaminan > div { padding: 12px 10px; }
  .jaminan strong { font-size: 1.15rem; }
  .kartu-meter .chip { display: none; }
  .tahapan li { font-size: 0.78rem; padding: 9px 8px; gap: 7px; }
  .tahapan li .txt { display: none; }
  .tahapan li.aktif .txt { display: inline; }
}

/* ---------- kurangi gerakan ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  body::before, body::after { animation: none; }
}