/* =============================================================
   iniFiber — gaya situs
   Warna merek: biru (utama) + hijau (aksen).
   Ditulis mobile-first; penyesuaian layar besar ada di bagian
   "LAYAR LEBAR" paling bawah.
   ============================================================= */

/* ---------- 1. Token warna & ukuran ---------- */
:root {
  --biru:        #0F6FE0;
  --biru-tua:    #0A4FA8;
  --biru-gelap:  #072F63;
  --biru-muda:   #E9F1FE;

  --hijau:       #17C964;
  --hijau-tua:   #0E9F4F;
  --hijau-muda:  #E3F9ED;

  --tinta:       #0E2038;
  --tinta-lembut:#5B7089;

  --putih:       #FFFFFF;
  --abu:         #F4F8FF;
  --garis:       #E2EAF5;

  --gradien:     linear-gradient(120deg, var(--biru) 0%, #1596C8 55%, var(--hijau) 100%);

  --bayang-kecil: 0 2px 8px rgba(14, 32, 56, .06);
  --bayang:       0 12px 30px rgba(14, 32, 56, .08);
  --bayang-besar: 0 24px 60px rgba(10, 79, 168, .16);

  --lengkung:     18px;
  --lengkung-besar: 28px;
  --wadah:        1140px;
}

/* ---------- 2. Dasar ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--tinta);
  background: var(--putih);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

h1, h2, h3, h4 { line-height: 1.18; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 6vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p  { margin: 0 0 1rem; }

a { color: var(--biru); text-decoration: none; }
a:hover { color: var(--biru-tua); }

:focus-visible {
  outline: 3px solid var(--hijau);
  outline-offset: 3px;
  border-radius: 6px;
}

.wadah { width: 100%; max-width: var(--wadah); margin: 0 auto; padding: 0 20px; }
.wadah--sempit { max-width: 820px; }

/* Tautan lompat untuk pengguna papan ketik */
.lewati {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--biru); color: #fff; padding: 12px 18px; border-radius: 0 0 12px 0;
}
.lewati:focus { left: 0; color: #fff; }

/* ---------- 3. Tombol & pil ---------- */
.tombol {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px;
  border: 2px solid transparent;
  border-radius: 999px;
  font: inherit; font-weight: 700; font-size: .97rem;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.tombol:hover { transform: translateY(-2px); }
.tombol:active { transform: translateY(0); }

.tombol--utama {
  background: var(--biru); color: #fff;
  box-shadow: 0 10px 22px rgba(15, 111, 224, .28);
}
.tombol--utama:hover { background: var(--biru-tua); color: #fff; box-shadow: 0 14px 28px rgba(15, 111, 224, .34); }

.tombol--garis {
  background: var(--putih); color: var(--biru-tua); border-color: var(--garis);
}
.tombol--garis:hover { border-color: var(--biru); color: var(--biru-tua); box-shadow: var(--bayang-kecil); }

.tombol--wa {
  background: var(--hijau); color: #fff;
  box-shadow: 0 10px 22px rgba(23, 201, 100, .28);
}
.tombol--wa:hover { background: var(--hijau-tua); color: #fff; }

.tombol--penuh { width: 100%; }
.ikon-wa { width: 18px; height: 18px; flex: none; }

.pil {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; margin-bottom: 16px;
  border-radius: 999px;
  background: var(--hijau-muda); color: var(--hijau-tua);
  font-size: .82rem; font-weight: 700;
}
.pil--abu { background: var(--biru-muda); color: var(--biru-tua); }
.pil--terang { background: rgba(255,255,255,.18); color: #fff; }

.titik {
  width: 8px; height: 8px; border-radius: 50%; background: var(--hijau);
  box-shadow: 0 0 0 0 rgba(23, 201, 100, .6);
  animation: denyut 2s infinite;
}
@keyframes denyut {
  70%  { box-shadow: 0 0 0 9px rgba(23, 201, 100, 0); }
  100% { box-shadow: 0 0 0 0 rgba(23, 201, 100, 0); }
}

/* ---------- 4. Navigasi ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.nav--gulir { border-bottom-color: var(--garis); box-shadow: var(--bayang-kecil); }

.nav__isi { display: flex; align-items: center; justify-content: space-between; height: 80px; }

.logo { display: inline-flex; align-items: center; }
.logo img { height: 45px; width: auto; display: block; }

.nav__menu {
  position: fixed; inset: 80px 0 auto 0;
  display: none; flex-direction: column; gap: 4px;
  padding: 16px 20px 24px;
  background: var(--putih);
  border-bottom: 1px solid var(--garis);
  box-shadow: var(--bayang);
}
.nav__menu--buka { display: flex; }
.nav__menu a {
  color: var(--tinta); font-weight: 600; padding: 10px 4px;
  border-radius: 10px;
}
.nav__menu a:hover { color: var(--biru); }

/* Promo dibuat seperti hadiah supaya mudah terlihat di antara menu lain. */
.nav__menu .nav__promo {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  overflow: hidden;
  padding: 8px 15px;
  color: #fff;
  background: linear-gradient(110deg, #E12D39 0%, #FF5A1F 52%, #FFB000 100%);
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(225,45,57,.30);
  font-weight: 800;
  animation: promo-berdenyut 1.8s ease-in-out infinite;
}
.nav__menu .nav__promo:hover {
  color: #fff;
  box-shadow: 0 9px 22px rgba(225,45,57,.46);
}
.nav__promo::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -35% auto -35% -38%;
  width: 28%;
  background: rgba(255,255,255,.52);
  transform: skewX(-20deg);
  animation: promo-kilau 2.6s ease-in-out infinite;
}
.nav__promo span {
  display: inline-block;
  font-size: 1.08em;
  animation: kado-goyang 1.8s ease-in-out infinite;
}
@keyframes promo-berdenyut {
  0%, 100% { box-shadow: 0 6px 16px rgba(225,45,57,.28), 0 0 0 0 rgba(255,176,0,.42); }
  50% { box-shadow: 0 8px 20px rgba(225,45,57,.38), 0 0 0 7px rgba(255,176,0,0); }
}
@keyframes promo-kilau {
  0%, 34% { left: -38%; }
  68%, 100% { left: 125%; }
}
@keyframes kado-goyang {
  0%, 72%, 100% { transform: rotate(0); }
  78% { transform: rotate(-12deg) scale(1.08); }
  84% { transform: rotate(12deg) scale(1.08); }
  90% { transform: rotate(-7deg); }
}

.nav__burger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 10px;
  background: var(--abu); border: 1px solid var(--garis); border-radius: 12px;
  cursor: pointer;
}
.nav__burger span {
  display: block; height: 2px; background: var(--tinta); border-radius: 2px;
  transition: transform .22s ease, opacity .22s ease;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 48px 0 64px; background: linear-gradient(180deg, #F7FBFF 0%, #FFFFFF 100%); }
.hero__grid { display: grid; gap: 44px; position: relative; z-index: 1; }

.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; pointer-events: none; }
.blob--1 { width: 380px; height: 380px; background: #BBD9FF; top: -120px; right: -110px; }
.blob--2 { width: 320px; height: 320px; background: #B6F2D3; bottom: -140px; left: -120px; }

.sorot {
  background: var(--gradien);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.hero__sub { font-size: 1.08rem; color: var(--tinta-lembut); max-width: 46ch; }
.hero__aksi { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 30px; }

/* Di layar sempit dua tombol utama dibuat selebar layar biar rapi bertumpuk. */
@media (max-width: 479px) {
  .hero__aksi .tombol { width: 100%; }
}

.hero__fakta {
  display: flex; flex-wrap: wrap; gap: 12px;
  list-style: none; margin: 0; padding: 0;
}
.hero__fakta li {
  flex: 1 1 140px;
  display: flex; flex-direction: column;
  padding: 12px 16px;
  background: var(--putih); border: 1px solid var(--garis); border-radius: 14px;
  box-shadow: var(--bayang-kecil);
}
.hero__fakta strong { font-size: 1.05rem; }
.hero__fakta span { font-size: .82rem; color: var(--tinta-lembut); }

/* Kartu ilustrasi kecepatan */
.hero__visual { position: relative; padding: 10px 0 24px; }

.kartu-speed {
  position: relative; z-index: 1;
  max-width: 340px; margin: 0 auto;
  padding: 22px 24px 26px;
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: var(--lengkung-besar);
  box-shadow: var(--bayang-besar);
}
.kartu-speed__kepala { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.kartu-speed__label { font-size: .82rem; color: var(--tinta-lembut); font-weight: 600; }
.lencana-hijau {
  padding: 5px 12px; border-radius: 999px;
  background: var(--hijau-muda); color: var(--hijau-tua);
  font-size: .8rem; font-weight: 800;
}

.meter { display: block; width: 100%; margin-top: 6px; }
.meter__alur { fill: none; stroke: #EDF2F9; stroke-width: 14; stroke-linecap: round; }
.meter__isi {
  fill: none; stroke-width: 14; stroke-linecap: round;
  stroke-dasharray: 252;
  stroke-dashoffset: 252;
  animation: isi-meter 1.6s .3s cubic-bezier(.22,.75,.3,1) forwards;
}
@keyframes isi-meter { to { stroke-dashoffset: 34; } }

.kartu-speed__angka { text-align: center; margin-top: -30px; }
.kartu-speed__angka b { display: block; font-size: 3rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.kartu-speed__angka span { font-size: .9rem; color: var(--tinta-lembut); font-weight: 600; }

.kartu-speed__chip { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.kartu-speed__chip span {
  padding: 6px 12px; border-radius: 999px;
  background: var(--abu); border: 1px solid var(--garis);
  font-size: .78rem; font-weight: 600; color: var(--tinta-lembut);
}

.kartu-mini {
  /* z-index dinaikkan supaya kartu ini melayang di atas kartu meteran,
     bukan tertutup olehnya. */
  z-index: 2;
  display: flex; align-items: center; gap: 10px;
  width: max-content; max-width: 100%;
  margin: 12px auto 0;
  padding: 10px 16px 10px 10px;
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: 16px;
  box-shadow: var(--bayang);
}
.kartu-mini b { display: block; font-size: .88rem; }
.kartu-mini small { color: var(--tinta-lembut); font-size: .78rem; }
.kartu-mini__ikon {
  display: grid; place-items: center;
  width: 38px; height: 38px; flex: none;
  border-radius: 12px; background: var(--biru-muda); font-size: 1.1rem;
}
.kartu-mini__ikon--hijau { background: var(--hijau-muda); }

/* ---------- 6. Bagian umum ---------- */
.bagian { padding: 64px 0; }
.bagian--abu { background: var(--abu); }

.judul-bagian { max-width: 640px; margin-bottom: 36px; }
.judul-bagian p { color: var(--tinta-lembut); margin: 0; }

/* ---------- 7. Kartu keunggulan ---------- */
.grid-kartu { display: grid; gap: 18px; }
.kartu {
  padding: 26px 24px;
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: var(--lengkung);
  box-shadow: var(--bayang-kecil);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.kartu:hover { transform: translateY(-4px); box-shadow: var(--bayang); border-color: #CFE0F7; }
.kartu p { margin: 0; color: var(--tinta-lembut); font-size: .95rem; }
.kartu__ikon {
  display: grid; place-items: center;
  width: 48px; height: 48px; margin-bottom: 16px;
  border-radius: 14px; background: var(--biru-muda); font-size: 1.4rem;
}
.kartu:nth-child(even) .kartu__ikon { background: var(--hijau-muda); }

/* ---------- 8. Promo ---------- */
.bagian--promo { padding-bottom: 0; }
.promo {
  max-width: 680px;
  margin: 0 auto;
  padding: 10px;
  background: var(--putih);
  border: 1px solid var(--garis);
  border-radius: var(--lengkung-besar);
  box-shadow: var(--bayang);
  overflow: hidden;
}
.promo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--lengkung-besar) - 8px);
}

/* ---------- 9. Paket ---------- */
.grid-paket { display: grid; gap: 18px; }

.paket {
  position: relative;
  display: flex; flex-direction: column;
  padding: 28px 24px;
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: var(--lengkung-besar);
  box-shadow: var(--bayang-kecil);
  transition: transform .2s ease, box-shadow .2s ease;
}
.paket:hover { transform: translateY(-5px); box-shadow: var(--bayang); }

.paket__nama { font-size: 1.05rem; color: var(--tinta-lembut); font-weight: 700; margin-bottom: 2px; }
.paket__kecepatan { margin: 0 0 6px; font-size: 1rem; color: var(--biru-tua); font-weight: 700; }
.paket__kecepatan b { font-size: 2.4rem; font-weight: 800; letter-spacing: -.04em; }

.paket__harga { margin: 0 0 18px; font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; }
.paket__harga span { font-size: .95rem; font-weight: 700; color: var(--tinta-lembut); margin-right: 3px; }
.paket__harga small { font-size: .85rem; font-weight: 600; color: var(--tinta-lembut); }

.paket__fitur { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 9px; }
.paket__fitur li {
  position: relative; padding-left: 26px;
  font-size: .92rem; color: var(--tinta-lembut);
}
.paket__fitur li::before {
  content: "";
  position: absolute; left: 0; top: .45em;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--hijau-muda) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%230E9F4F' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round' d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;
}

/* Dua butir pertama tiap paket (tanpa FUP & CS 24 jam) ditebalkan karena
   itu nilai jual yang paling sering ditanyakan calon pelanggan. */
.paket__fitur .unggul { color: var(--tinta); font-weight: 700; }

.paket__cta { margin-top: auto; }
.paket__promo {
  margin-top: 10px;
  background: var(--hijau-muda);
  color: var(--hijau-tua);
  border-color: rgba(23, 201, 100, .28);
}
.paket__promo:hover {
  background: var(--hijau);
  color: #fff;
  box-shadow: 0 10px 22px rgba(23, 201, 100, .22);
}

.paket--unggulan {
  border-color: var(--biru);
  box-shadow: 0 18px 44px rgba(15, 111, 224, .18);
}
.paket--unggulan::after {
  content: "";
  position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  border: 1px solid rgba(15, 111, 224, .35);
}
.paket__pita {
  position: absolute; top: 16px; right: 16px;
  padding: 5px 12px; border-radius: 999px;
  background: var(--gradien); color: #fff;
  font-size: .72rem; font-weight: 800; letter-spacing: .02em;
}

.paket__catatan {
  margin: 20px 0 0; font-size: .88rem; color: var(--tinta-lembut);
  max-width: 70ch;
}

/* ---------- 10. Pemilih paket ---------- */
.pemilih {
  display: grid; gap: 26px;
  margin-top: 40px; padding: 28px 24px;
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: var(--lengkung-besar);
  box-shadow: var(--bayang-kecil);
}
.pemilih h3 { margin-bottom: 6px; }
.pemilih__kiri > p { color: var(--tinta-lembut); font-size: .95rem; }

.pemilih__label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 10px; }
.pemilih__label b { color: var(--biru-tua); }

.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 8px; border-radius: 999px;
  background: linear-gradient(90deg, var(--biru), var(--hijau));
  cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 3px solid var(--biru);
  box-shadow: var(--bayang-kecil); cursor: grab;
}
.slider::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--biru);
  box-shadow: var(--bayang-kecil); cursor: grab;
}

.pemilih__chip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pemilih__chip label {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 999px;
  background: var(--abu); border: 1px solid var(--garis);
  font-size: .86rem; font-weight: 600; cursor: pointer;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.pemilih__chip label:hover { border-color: var(--biru); }
.pemilih__chip input { accent-color: var(--biru); width: 16px; height: 16px; }
.pemilih__chip label:has(input:checked) {
  background: var(--biru-muda); border-color: var(--biru); color: var(--biru-tua);
}

.pemilih__hasil {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 26px 22px;
  background: var(--gradien); color: #fff;
  border-radius: var(--lengkung);
}
.pemilih__hasil-label { font-size: .82rem; opacity: .9; font-weight: 600; }
.pemilih__hasil strong { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.2; }
.pemilih__hasil > span:nth-of-type(2) { font-size: .95rem; opacity: .95; margin-bottom: 16px; }
.pemilih__hasil .tombol--utama { background: #fff; color: var(--biru-tua); box-shadow: none; }
.pemilih__hasil .tombol--utama:hover { background: #fff; color: var(--biru-gelap); }
.pemilih__hasil small { margin-top: 12px; font-size: .78rem; opacity: .88; max-width: 32ch; }

/* ---------- 10. Langkah pemasangan ---------- */
.langkah { list-style: none; display: grid; gap: 18px; margin: 0; padding: 0; counter-reset: l; }
.langkah li {
  position: relative;
  padding: 26px 22px;
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: var(--lengkung);
  box-shadow: var(--bayang-kecil);
}
.langkah h3 { margin: 12px 0 6px; }
.langkah p { margin: 0; color: var(--tinta-lembut); font-size: .93rem; }
.langkah__no {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--gradien); color: #fff;
  font-weight: 800;
}

/* ---------- 11. FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq details {
  background: var(--putih);
  border: 1px solid var(--garis); border-radius: var(--lengkung);
  box-shadow: var(--bayang-kecil);
  overflow: hidden;
}
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 20px;
  font-weight: 700; cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  display: grid; place-items: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--biru-muda); color: var(--biru-tua);
  font-size: 1.2rem; font-weight: 700;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.faq details[open] summary::after { content: "−"; background: var(--hijau); color: #fff; }
.faq details[open] summary { color: var(--biru-tua); }
.faq p { margin: 0; padding: 0 20px 20px; color: var(--tinta-lembut); font-size: .95rem; }

/* ---------- 12. Kontak ---------- */
.kontak {
  display: grid; gap: 28px;
  padding: 32px 26px;
  background: var(--gradien);
  border-radius: var(--lengkung-besar);
  box-shadow: var(--bayang-besar);
  color: #fff;
}
.kontak h2 { color: #fff; }
.kontak__kiri > p { color: rgba(255,255,255,.9); max-width: 42ch; }

.kontak__daftar { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 12px; }
.kontak__daftar li {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 14px;
}
.kontak__daftar small { display: block; font-size: .76rem; opacity: .88; }
.kontak__daftar a { color: #fff; font-weight: 700; }
/* Baris yang bukan tautan (area layanan) disamakan tampilannya dengan tautan. */
.kontak__teks { color: #fff; font-weight: 700; }
.kontak__daftar a:hover { color: #fff; text-decoration: underline; }
/* Alamat email tampil sebagai gambar; tingginya diikatkan ke ukuran huruf
   sekitarnya supaya ikut menyesuaikan kalau teksnya diperbesar. */
.surel--gambar { display: inline-flex; }
.surel--gambar img { height: 1.15em; width: auto; display: block; }

.kontak__ikon {
  display: grid; place-items: center;
  width: 40px; height: 40px; flex: none;
  border-radius: 12px; background: rgba(255,255,255,.2); font-size: 1.1rem;
}

/* Formulir */
.form {
  padding: 24px 22px;
  background: var(--putih);
  border-radius: var(--lengkung);
  color: var(--tinta);
  box-shadow: var(--bayang);
}
.form__baris { margin-bottom: 14px; }
.form label { display: block; font-size: .86rem; font-weight: 700; margin-bottom: 6px; }
.opsional { font-weight: 500; color: var(--tinta-lembut); }

.form input, .form textarea, .form select {
  width: 100%;
  padding: 12px 14px;
  font: inherit; font-size: .95rem;
  color: var(--tinta);
  background: var(--abu);
  border: 1px solid var(--garis); border-radius: 12px;
  transition: border-color .18s ease, background .18s ease;
}
.form input:focus, .form textarea:focus, .form select:focus {
  background: var(--putih); border-color: var(--biru); outline: none;
  box-shadow: 0 0 0 3px rgba(15, 111, 224, .15);
}
.form textarea { resize: vertical; min-height: 84px; }
.form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%235B7089' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; padding-right: 38px; }

.form .galat { border-color: #E5484D; background: #FFF5F5; }
.form__galat { margin: 0 0 12px; color: #C62828; font-size: .86rem; font-weight: 600; }
.form__nb { display: block; margin-top: 10px; font-size: .78rem; color: var(--tinta-lembut); text-align: center; }

/* ---------- 13. Kaki halaman ---------- */
.kaki {
  background: linear-gradient(135deg, #F4F8FF 0%, #E9F1FE 65%, #E3F9ED 100%);
  color: var(--tinta-lembut);
  border-top: 1px solid var(--garis);
  padding: 48px 0 24px;
}
.kaki__grid { display: grid; gap: 28px; }
.logo--kaki {
  background: transparent;
  padding: 0;
  border-radius: 0;
}
.logo--kaki img { height: 54px; }

.kaki__tag { margin: 14px 0 0; font-size: .9rem; max-width: 34ch; }
.kaki__alamat {
  margin: 8px 0 0;
  max-width: 40ch;
  color: var(--tinta-lembut);
  font-size: .85rem;
  font-style: normal;
  line-height: 1.65;
}
.kaki h4 { color: var(--tinta); font-size: .95rem; margin-bottom: 12px; }
.kaki__kolom { display: flex; flex-direction: column; gap: 8px; }
.kaki a { color: var(--tinta-lembut); font-size: .9rem; }
.kaki a:hover { color: var(--biru-tua); }

.kaki__bawah {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between;
  margin-top: 32px; padding-top: 18px;
  border-top: 1px solid rgba(10,79,168,.14);
  font-size: .82rem; color: var(--tinta-lembut);
}

/* ---------- 14. Tombol WA mengambang ---------- */
.wa-apung {
  position: fixed; right: 16px; bottom: 16px; z-index: 90;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px;
  background: var(--hijau); color: #fff;
  border-radius: 999px; font-weight: 700; font-size: .9rem;
  box-shadow: 0 12px 28px rgba(23, 201, 100, .38);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.wa-apung--tampil { opacity: 1; visibility: visible; transform: translateY(0); }
.wa-apung:hover { background: var(--hijau-tua); color: #fff; }
.wa-apung svg { width: 20px; height: 20px; flex: none; }

/* ---------- 15. Animasi muncul saat digulir ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal--tampil { opacity: 1; transform: none; }

/* ---------- 16. LAYAR LEBAR ---------- */
@media (min-width: 640px) {
  .bagian { padding: 76px 0; }
  .grid-kartu { grid-template-columns: repeat(2, 1fr); }
  .grid-paket { grid-template-columns: repeat(2, 1fr); }
  .langkah { grid-template-columns: repeat(2, 1fr); }
  .kontak { padding: 40px 36px; }
  .kaki__grid { grid-template-columns: repeat(2, 1fr); }
  /* Ditaruh di atas dan di bawah kartu meteran — menggantung sedikit ke samping
     supaya terasa bertumpuk, tapi tidak menutupi isi kartunya. */
  .kartu-mini--atas { position: absolute; top: 8px; left: -6px; margin: 0; }
  .kartu-mini--bawah { position: absolute; bottom: 8px; right: -6px; margin: 0; }
  .hero__visual { min-height: 500px; display: grid; place-items: center; }
}

@media (min-width: 900px) {
  .logo img { height: 52px; }
  .nav__burger { display: none; }
  .nav__menu {
    position: static; display: flex; flex-direction: row; align-items: center; gap: 26px;
    padding: 0; background: none; border: none; box-shadow: none;
  }
  .nav__menu a { font-size: .95rem; padding: 6px 0; }

  .hero { padding: 72px 0 90px; }
  .hero__grid { grid-template-columns: 1.05fr .95fr; align-items: center; gap: 50px; }

  .grid-kartu { grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .grid-paket { grid-template-columns: repeat(4, 1fr); }
  .langkah { grid-template-columns: repeat(4, 1fr); }

  .pemilih { grid-template-columns: 1.35fr .65fr; align-items: center; padding: 34px 32px; }
  .kontak { grid-template-columns: 1fr 1fr; align-items: center; padding: 48px 44px; }
  .kaki__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }

  .paket--unggulan { transform: translateY(-10px); }
  .paket--unggulan:hover { transform: translateY(-15px); }

  .wa-apung { right: 24px; bottom: 24px; }
}

/* ---------- 17. Hormati setelan "kurangi gerak" ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .meter__isi { stroke-dashoffset: 34; }
}