/*
 * sales-landing — CSS tulis tangan, tanpa framework, tanpa build.
 *
 * Arah visual: tinta di atas kertas putih. Abu netral membangun seluruh
 * struktur, satu hitam mengerjakan teks DAN aksi primer, warna hanya muncul
 * saat punya makna. Arah ini mengikuti referensi Admin Panel produk, tetapi
 * nilainya ditulis ulang di sini supaya repo ini tidak bergantung ke repo mana
 * pun.
 *
 * Font sistem saja. Tidak ada request font eksternal, karena CSP di _headers
 * tidak mengizinkan origin pihak ketiga (lihat README bagian Headers).
 */

/* ---------------------------------------------------------------- token */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --subtle: #fafafa;
  --muted: #f5f5f5;
  --border: #e5e5e5;
  --border-strong: #d4d4d4;
  --text: #171717;
  --text-muted: #737373;
  --ink: #171717;
  --ink-hover: #404040;
  --ring: #a3a3a3;
  --accent: #1d4ed8;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;

  --wrap: 72rem;
  --gutter: 16px;

  --shadow-card: 0 1px 2px rgb(0 0 0 / 4%), 0 1px 3px rgb(0 0 0 / 6%);

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --surface: #141414;
    --subtle: #171717;
    --muted: #1f1f1f;
    --border: #2a2a2a;
    --border-strong: #3d3d3d;
    --text: #f5f5f5;
    --text-muted: #a3a3a3;
    --ink: #f5f5f5;
    --ink-hover: #d4d4d4;
    --ring: #525252;
    --accent: #7ea6ff;
    --shadow-card: 0 1px 2px rgb(0 0 0 / 40%);
  }
}

/* ---------------------------------------------------------------- dasar */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  /* Jaring pengaman: tidak ada scroll horizontal di lebar ponsel sempit. */
  overflow-x: hidden;
}

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

/*
 * Atribut [hidden] HARUS menang atas setiap display: di bawah.
 *
 * Default browser untuk [hidden] hanyalah "display: none" dengan kekhususan
 * rendah, jadi aturan seperti ".contact li { display: flex }" diam-diam
 * membatalkannya. Itu bukan kesalahan kosmetik di halaman ini: app.js memakai
 * [hidden] untuk MENYEMBUNYIKAN tombol kontak yang nilainya belum diisi, dan
 * tombol email yang tetap tampil tanpa alamat email akan menuntun prospek ke
 * tautan mati. Ditemukan lewat screenshot, bukan lewat gerbang teks.
 */
[hidden] { display: none !important; }
img { height: auto; display: block; }

a { color: var(--accent); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: clamp(1.9rem, 5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 3.2vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.125rem; font-weight: 600; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -3rem;
  z-index: 100;
  background: var(--surface);
  color: var(--text);
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: top 120ms ease-in;
}
.skip:focus { top: 0.5rem; }

/* ---------------------------------------------------------------- tata letak */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
@media (min-width: 48rem) {
  .wrap { padding-inline: 2rem; }
}

.narrow { max-width: 48rem; }

section { padding-block: clamp(2.75rem, 6vw, 5rem); }
.band { background: var(--subtle); border-block: 1px solid var(--border); }

.section-lede,
.section-outro {
  color: var(--text-muted);
  max-width: 44rem;
  font-size: 1.0625rem;
}
.section-outro { margin-top: 1.75rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* ---------------------------------------------------------------- topbar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-right: auto;
  min-width: 0;
}
.brand-mark { color: var(--ink); flex: none; }
.brand-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav { display: none; gap: 1.5rem; }
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}
.nav a:hover { color: var(--text); }

.topbar-cta { display: none; }

@media (min-width: 48rem) {
  .nav { display: flex; }
  .topbar-cta { display: inline-flex; }
}

/* ---------------------------------------------------------------- tombol */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.btn-sm { padding: 0.45rem 0.85rem; font-size: 0.875rem; }

.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--ink-hover); }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--muted); }

.btn:active { transform: scale(0.985); }
@media (prefers-reduced-motion: reduce) {
  .btn:active { transform: none; }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ---------------------------------------------------------------- hero */

.hero { padding-top: clamp(2.5rem, 6vw, 4.5rem); }

.hero .lede {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 44rem;
}

/* ---------------------------------------------------------------- gambar */

.shot {
  margin: 2.5rem 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.shot img { width: 100%; }

.shot figcaption {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--subtle);
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.shot-hero { margin-top: 3rem; }

/* ---------------------------------------------------------------- kartu */

.cards {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
@media (min-width: 48rem) {
  .cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.card {
  min-width: 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.card p { color: var(--text-muted); margin: 0; font-size: 0.9375rem; }

/* ---------------------------------------------------------------- fitur */

.feature {
  display: grid;
  gap: 1.75rem;
  align-items: center;
  padding-block: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--border);
}
.feature:first-of-type { border-top: 0; padding-top: 1.5rem; }

@media (min-width: 60rem) {
  .feature { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 3rem; }
  .feature-reverse .feature-text { order: 2; }
}

.feature-text { min-width: 0; }
.feature .shot { margin-top: 0; min-width: 0; }

.ticks {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.ticks li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}
/* Penanda butir: titik netral, bukan karakter centang sebagai teks. */
.ticks li::before {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 0.65em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border-strong);
}

.plain {
  margin: 1.75rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.9rem;
}
.plain li { color: var(--text-muted); }
.plain strong { color: var(--text); }

/* ---------------------------------------------------------------- tabel */

.table-frame {
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.table-scroll {
  /* Tabel paket lebih lebar dari layar ponsel dan memang harus begitu: empat
     kolom perbandingan tidak bisa dimampatkan tanpa jadi tidak terbaca. Yang
     wajib dijaga adalah luberannya BERHENTI di bingkai ini, bukan mendorong
     seluruh halaman. min-width:0 diperlukan karena elemen ini anak grid/flex:
     tanpa itu lebar minimum isinya menang dan overflow-x tidak pernah aktif. */
  overflow-x: auto;
  min-width: 0;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

/* Petunjuk kecil, hanya di layar sempit tempat scroll benar-benar diperlukan. */
.table-hint {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}
@media (min-width: 48rem) {
  .table-hint { display: none; }
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}
.table thead th {
  background: var(--subtle);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  white-space: nowrap;
}
.table tbody tr + tr th,
.table tbody tr + tr td { border-top: 1px solid var(--border); }
.table th[scope="row"] {
  padding: 0.85rem 1rem;
  font-weight: 600;
  color: var(--text);
  vertical-align: top;
}
.table td {
  padding: 0.85rem 1rem;
  color: var(--text-muted);
  vertical-align: top;
}

.table-plans { min-width: 44rem; }
.table-plans thead th:not(:first-child),
.table-plans td { text-align: center; }
/* Kolom unggulan: latar abu + teks TINTA PENUH.
   Teks muted (#737373) di atas --muted (#f5f5f5) hanya 4,35:1, di bawah ambang
   WCAG AA 4,5:1 (ditemukan Lighthouse, bukan ditebak). Menaikkannya ke warna
   teks penuh sekaligus membuat kolom ini terbaca sebagai yang ditonjolkan. */
.table-plans .is-featured { background: var(--muted); color: var(--text); }
.table-plans thead .is-featured { color: var(--text); }
.row-price th[scope="row"],
.row-price td { font-weight: 600; color: var(--text); }

.pill {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--bg);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* ---------------------------------------------------------------- statistik */

.stats {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}

.stat {
  min-width: 0;
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.stat-label { color: var(--text-muted); font-size: 0.875rem; line-height: 1.5; }

.measured {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* ---------------------------------------------------------------- chip */

.chips {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chips li {
  padding: 0.3rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---------------------------------------------------------------- langkah */

.steps {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 48rem) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
}
.steps li {
  min-width: 0;
  counter-increment: step;
  padding-top: 2.75rem;
  position: relative;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  top: 0; left: 0;
  width: 2rem; height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--muted);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
}
.steps p { color: var(--text-muted); font-size: 0.9375rem; margin: 0; }

/* ---------------------------------------------------------------- kontak */

.contact {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
}
.contact-label {
  min-width: 5.5rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.contact-link { font-weight: 600; overflow-wrap: anywhere; }

/* ---------------------------------------------------------------- footer */

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding-block: 2.25rem;
}
.footer-inner { display: grid; gap: 0.35rem; }
.footer p { margin: 0; }
.footer-entity { font-weight: 600; }
.footer-copy, .footer-note { color: var(--text-muted); font-size: 0.875rem; }

/* Fitur tanpa gambar: satu kolom penuh, bukan setengah kolom yang menggantung. */
.feature-plain { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 60rem) {
  .feature-plain .feature-text { max-width: 52rem; }
  .feature-plain .ticks { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem 2rem; }
}

/* Dua tangkapan berdampingan di bawah satu fitur. */
.gallery {
  display: grid;
  gap: 1rem;
  padding-bottom: 0.5rem;
}
@media (min-width: 60rem) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
}
.gallery .shot { margin-top: 0; min-width: 0; }