/* Fondasi & komponen "Kamar Gelap" untuk landing Posetive.
   Sumber: frame "Sistem Desain — Fondasi" & "Sistem Desain — Komponen" di desain/PosetiveApp.pen.
   Hanya pakai token dari tokens.css; jangan menulis warna/ukuran lepas. */

/* ---------- Reset & dasar ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { color-scheme: dark; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-ui), system-ui, sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Tata letak ---------- */
.wadah { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: 60px; }
@media (max-width: 1024px) { .wadah { padding-inline: var(--space-10); } }
@media (max-width: 640px)  { .wadah { padding-inline: var(--space-4); } }

/* ---------- Tipografi ---------- */
.f-display { font-family: var(--font-display), serif; font-weight: 400; }
.f-brand   { font-family: var(--font-brand), serif; }
.f-script  { font-family: var(--font-script), cursive; font-weight: 400; }
.f-mono    { font-family: var(--font-mono), monospace; }
.t-display-l { font-family: var(--font-display), serif; font-size: 40px; line-height: 1.1; }
.t-heading   { font-family: var(--font-display), serif; font-size: 28px; line-height: 1.1; }
.t-title     { font-family: var(--font-display), serif; font-size: 22px; line-height: 1.15; }
.t-body      { font-size: 14px; line-height: 1.5; }
.t-caption   { font-size: 12px; line-height: 1.45; }
.t-overline  { font-family: var(--font-mono), monospace; font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase; }
.t-data      { font-family: var(--font-mono), monospace; font-size: 10px; letter-spacing: 0.6px; text-transform: uppercase; }
.c-secondary { color: var(--text-secondary); }
.c-tertiary  { color: var(--text-tertiary); }
.c-accent    { color: var(--accent); }
.c-cream     { color: var(--cream); }

/* ---------- Ikon (sprite assets/img/ikon.svg) ---------- */
.ikon {
  width: 16px; height: 16px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.ikon-sm { width: 14px; height: 14px; }
.ikon-lg { width: 18px; height: 18px; }

/* ---------- Button/Primary · Secondary · Link · Icon ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  height: 44px; padding: 0 var(--space-5); border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 700; white-space: nowrap;
  transition: filter .15s, background-color .15s;
}
.btn:hover { filter: brightness(1.08); }
.btn-primary { background: var(--action-primary); color: var(--on-action-primary); }
.btn-secondary {
  background: var(--surface-2); color: var(--text-primary); font-weight: 600;
  padding: 0 var(--space-4); border: 1px solid var(--border-strong);
}
.btn-link { height: auto; padding: 0; gap: 6px; color: var(--accent); font-size: 13px; font-weight: 600; }
.btn-link:hover { filter: none; text-decoration: underline; text-underline-offset: 3px; }
.btn-ikon { width: 44px; padding: 0; background: var(--surface-2); color: var(--text-primary); }
.btn-kecil { height: 42px; font-size: 13px; } /* ukuran tombol di navigasi landing */

/* ---------- Nav/Active · Nav/Default (juga tab kategori) ---------- */
.nav-pill {
  display: inline-flex; align-items: center; height: 40px; padding: 0 var(--space-5);
  border-radius: var(--radius-pill); border: 1px solid var(--border);
  background: var(--surface); color: var(--text-secondary); font-size: 13px; font-weight: 500;
  white-space: nowrap;
}
.nav-pill:hover { color: var(--text-primary); }
.nav-pill[aria-pressed="true"], .nav-pill.aktif {
  background: var(--maroon); border-color: var(--maroon-glow); color: var(--cream); font-weight: 700;
}

/* ---------- Filter/Active · Filter/Default (chip kecil) ---------- */
.filter {
  display: inline-flex; align-items: center; height: 32px; padding: 0 14px;
  border-radius: var(--radius-pill); border: 1px solid var(--border);
  background: var(--surface); color: var(--text-secondary); font-size: 12px; font-weight: 600;
  white-space: nowrap;
}
.filter[aria-pressed="true"], .filter.aktif {
  background: var(--surface-2); border-color: var(--accent); color: var(--text-primary);
}

/* ---------- Field/Text · Field/Select ---------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field > label { color: var(--text-secondary); font-size: 12px; font-weight: 600; }
.input {
  width: 100%; height: 48px; padding: 0 14px; border-radius: var(--radius-md);
  background: var(--surface-sunken); border: 1px solid var(--border-control);
  color: var(--text-primary); font-size: 16px; font-weight: 500;
}
.input::placeholder { color: var(--text-tertiary); }
select.input {
  appearance: none; padding-right: 40px;
  background: var(--surface-sunken) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23BDB2AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center / 16px;
}
textarea.input { height: auto; min-height: 96px; padding: var(--space-3) 14px; resize: vertical; }

/* ---------- Badge · Chip · Overline/Status ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px;
  border-radius: var(--radius-pill); font-size: 12px; font-weight: 600;
}
.badge .ikon { width: 13px; height: 13px; }
.badge-positive { background: var(--positive-soft); color: var(--positive); }
.badge-warning  { background: var(--warning-soft);  color: var(--warning); }
.badge-negative { background: var(--negative-soft); color: var(--negative); }
.badge-brand    { background: var(--brand-soft);    color: var(--text-on-brand); }

.chip {
  display: inline-flex; align-items: center; padding: 5px 10px; border-radius: var(--radius-md);
  background: var(--surface-2); color: var(--text-secondary); font-size: 12px; font-weight: 500;
}

.overline-status {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px;
  border-radius: var(--radius-pill); background: var(--overlay-scrim); border: 1px solid var(--overlay-hairline);
  color: var(--text-on-brand); font-family: var(--font-mono), monospace; font-size: 11px; letter-spacing: 0.6px;
  text-transform: uppercase;
}
.overline-status::before {
  content: ""; width: 6px; height: 6px; border-radius: var(--radius-pill); background: var(--accent);
}

/* ---------- Card/Surface ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: var(--space-6);
}

/* ---------- Efek Kamar Gelap ---------- */
/* Safelight: cahaya marun radial di pojok hero. Satu per halaman. */
.safelight {
  background:
    radial-gradient(ellipse 55% 75% at 82% 0%, var(--safelight-core) 0%, var(--safelight-mid) 40%, var(--safelight-edge) 78%),
    linear-gradient(160deg, var(--brand-tint) 0%, var(--hero-base) 60%);
  border: 1px solid var(--brand-stroke);
  border-radius: var(--radius-2xl);
}
/* Tint merek: gradasi brand-tint → surface dari kiri. Untuk kartu alat bantu. */
.tint-merek { background: linear-gradient(90deg, var(--brand-tint) 0%, var(--surface) 100%); }

/* ---------- Logotype "POSETIVE" ---------- */
.wordmark { display: inline-flex; align-items: center; gap: 10px; }
.wordmark-ikon {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--maroon); border: 1px solid var(--brand-stroke); color: var(--cream);
}
.wordmark-teks { display: flex; flex-direction: column; gap: 2px; line-height: 1; }
.wordmark-nama { font-family: var(--font-display), serif; font-size: 20px; color: var(--cream); }
.wordmark-sub  { font-family: var(--font-mono), monospace; font-size: 9px; letter-spacing: 1.4px; color: var(--text-secondary); }

/* ---------- Bar pengumuman, navigasi, footer (dipakai kedua halaman) ---------- */
.bar-pengumuman {
  background: var(--surface-sunken); border-bottom: 1px solid var(--border);
  font-family: var(--font-mono), monospace; font-size: 11px; letter-spacing: 1px; color: var(--text-secondary);
}
.bar-pengumuman .wadah {
  display: flex; align-items: center; justify-content: center; gap: var(--space-3);
  min-height: 38px; padding-block: var(--space-2); text-align: center;
}
.bar-pengumuman .titik { width: 6px; height: 6px; border-radius: var(--radius-pill); background: var(--accent); flex: none; }
.bar-pengumuman a { color: var(--accent); white-space: nowrap; }

.navigasi {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.navigasi .wadah { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); height: 80px; }
.navigasi-tautan { display: flex; gap: var(--space-8); }
.navigasi-tautan a { color: var(--text-secondary); font-size: 14px; }
.navigasi-tautan a:hover { color: var(--text-primary); }
.navigasi-aksi { display: flex; align-items: center; gap: var(--space-4); }
.navigasi-wa { font-family: var(--font-mono), monospace; font-size: 12px; color: var(--text-secondary); }
.navigasi-kembali { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--cream); font-size: 13px; }
.navigasi-kembali .ikon { color: var(--accent); }
.pemisah-v { width: 1px; height: 24px; background: var(--border); }
.navigasi-menu { display: none; }

.footer { background: var(--surface-sunken); border-top: 1px solid var(--border); padding-block: 60px 36px; }
.footer-kolom { display: flex; justify-content: space-between; gap: var(--space-10); }
.footer-brand { max-width: 380px; display: flex; flex-direction: column; gap: var(--space-4); }
.footer-brand h2 { font-family: var(--font-display), serif; font-weight: 400; font-size: 20px; color: var(--cream); }
.footer-brand p, .footer ul { color: var(--text-secondary); font-size: 13px; }
.footer h3 {
  font-family: var(--font-mono), monospace; font-weight: 400; font-size: 11px; letter-spacing: 1.4px;
  color: var(--accent); margin-bottom: var(--space-3);
}
.footer ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer ul a:hover { color: var(--text-primary); }
.footer-bawah {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  margin-top: 48px; color: var(--text-secondary); font-size: 12px;
}
.footer-bawah .f-mono { font-size: 11px; letter-spacing: 1.4px; }

@media (max-width: 1024px) {
  .navigasi-tautan, .navigasi-wa { display: none; }
  .navigasi-menu { display: inline-flex; }
  .navigasi.terbuka .navigasi-tautan {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 80px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border); padding: var(--space-2) var(--space-4);
  }
  .navigasi.terbuka .navigasi-tautan a { padding: var(--space-3) 0; border-bottom: 1px solid var(--border); }
  .navigasi.terbuka .navigasi-tautan a:last-child { border-bottom: 0; }
  .footer-kolom { flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .navigasi .wadah { height: 64px; }
  .navigasi.terbuka .navigasi-tautan { top: 64px; }
  .navigasi-aksi .btn-primary .label-panjang { display: none; }
  .footer-kolom { flex-direction: column; gap: var(--space-8); }
  .footer-bawah { flex-direction: column; align-items: flex-start; }
}
.navigasi-kiri { display: flex; align-items: center; gap: var(--space-6); }
@media (max-width: 640px) { .navigasi-kiri .pemisah-v, .navigasi-kembali span { display: none; } }

/* ---------- Penyesuaian layar kecil ---------- */
.hanya-hp { display: none; }
.wordmark-sub { white-space: nowrap; }
@media (max-width: 640px) {
  .sembunyi-hp { display: none; }
  .hanya-hp { display: inline; }
  .bar-pengumuman .wadah { min-height: 34px; }
  .wordmark-nama { font-size: 18px; }
  .wordmark-sub { font-size: 8px; letter-spacing: 1px; }
}
@media (max-width: 380px) {
  .wordmark-sub { display: none; }
}