/* ============================================================
   HanyaJasa — "Nota Kerja" design system
   Layout concept: a carbon-copy job ticket — ruled form lines,
   perforated tear edges, mono data fields, stamped status marks.
   ============================================================ */

:root {
  /* --- Color: carbon-copy form ink on cool office paper --- */
  --paper:        #eceef0;
  --sheet:        #ffffff;
  --sheet-alt:    #f6f7f8;
  --ink:          #14181d;
  --ink-soft:     #4b545e;
  --ink-mute:     #79838f;
  --rule:         #d3d8dd;
  --rule-strong:  #b9c1c9;
  --carbon:       #0d7d86;
  --carbon-tint:  #e0eff0;
  --stamp:        #bd3327;
  --stamp-tint:   #f9e8e6;
  --shadow-sm:    0 1px 2px rgba(20, 24, 29, .06);
  --shadow-md:    0 2px 4px rgba(20, 24, 29, .05), 0 12px 28px -14px rgba(20, 24, 29, .22);
  --focus:        #0d7d86;

  /* --- Type --- */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* --- Layout --- */
  --gutter: 20px;
  --maxw: 1120px;
  --radius: 4px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:       #0b0f13;
    --sheet:       #12181d;
    --sheet-alt:   #171e24;
    --ink:         #e8edf1;
    --ink-soft:    #a8b3bd;
    --ink-mute:    #79848f;
    --rule:        #232c34;
    --rule-strong: #35404a;
    --carbon:      #3cc3c8;
    --carbon-tint: #10312f;
    --stamp:       #ff7566;
    --stamp-tint:  #3a1a17;
    --shadow-sm:   0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md:   0 2px 4px rgba(0, 0, 0, .35), 0 12px 28px -14px rgba(0, 0, 0, .7);
    --focus:       #3cc3c8;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper:       #0b0f13;
  --sheet:       #12181d;
  --sheet-alt:   #171e24;
  --ink:         #e8edf1;
  --ink-soft:    #a8b3bd;
  --ink-mute:    #79848f;
  --rule:        #232c34;
  --rule-strong: #35404a;
  --carbon:      #3cc3c8;
  --carbon-tint: #10312f;
  --stamp:       #ff7566;
  --stamp-tint:  #3a1a17;
  --shadow-sm:   0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md:   0 2px 4px rgba(0, 0, 0, .35), 0 12px 28px -14px rgba(0, 0, 0, .7);
  --focus:       #3cc3c8;
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.62;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  -webkit-font-smoothing: antialiased;
}

/* safe-area band above a sticky header */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  z-index: 10;
  background: var(--paper);
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--carbon); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-block: 0;
}

/* ---------------- type ---------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 6.2vw, 3.7rem); }
h2 { font-size: clamp(1.45rem, 3.6vw, 2.1rem); }
h3 { font-size: 1.08rem; letter-spacing: -.01em; }
p { margin: 0; }

.lead {
  font-size: clamp(1.02rem, 2.3vw, 1.16rem);
  color: var(--ink-soft);
  max-width: 58ch;
}

.label {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.label--carbon { color: var(--carbon); }
.label--stamp  { color: var(--stamp); }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------------- header ---------------- */
.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.topbar__in {
  max-width: var(--maxw);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 12px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 600;
  align-self: center;
  background: var(--sheet);
}
.brand__dot { color: var(--carbon); }

.topnav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.topnav a {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}
.topnav a:hover { color: var(--carbon); }
.topnav__cta {
  padding: 7px 13px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink) !important;
  background: var(--sheet);
}
.topnav__cta:hover { background: var(--ink); color: var(--sheet) !important; }

.themetoggle {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  padding: 7px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--sheet);
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
}
.themetoggle:hover { border-color: var(--ink); color: var(--ink); }

/* ---------------- hero ---------------- */
.hero { padding-block: clamp(38px, 7vw, 76px) 0; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow__no {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  padding: 3px 8px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  color: var(--ink-soft);
  background: var(--sheet);
}
.eyebrow__rule { flex: 1 1 40px; height: 1px; background: var(--rule); min-width: 24px; }

.hero h1 { margin-bottom: 20px; }
.hero h1 em {
  font-style: normal;
  color: var(--carbon);
  position: relative;
  white-space: nowrap;
}
.hero .lead { margin-bottom: 26px; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 13px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { color: var(--paper); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--sheet); color: var(--ink); }
.btn--carbon { background: var(--carbon); border-color: var(--carbon); color: #fff; }
.btn--carbon:hover { background: var(--carbon); color: #fff; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

/* spec strip — the real machine running the service */
.spec {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--sheet);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.spec__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 14px;
  background: var(--sheet-alt);
  border-bottom: 1px solid var(--rule);
}
.spec__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.spec__cell {
  padding: 15px 14px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}
.spec__cell:nth-child(2n) { border-right: 0; }
.spec__cell:nth-last-child(-n+2) { border-bottom: 0; }
.spec__val {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.32rem;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  margin-bottom: 3px;
}
.spec__val--carbon { color: var(--carbon); }
.spec__key {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1.4;
}
.spec__note {
  padding: 10px 14px;
  background: var(--carbon-tint);
  font-family: var(--font-mono);
  font-size: .68rem;
  line-height: 1.55;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
}
.spec__note b { color: var(--carbon); font-weight: 600; }

/* status stamp */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--carbon);
  border: 1.5px solid var(--carbon);
  border-radius: 2px;
  padding: 3px 8px;
  transform: rotate(-1.5deg);
  background: var(--carbon-tint);
}

/* ---------------- sections ---------------- */
.section { padding-block: clamp(46px, 7vw, 84px); }
.section + .section { border-top: 1px solid var(--rule); }
.section__head { margin-bottom: 30px; max-width: 62ch; }
.section__head .label { display: block; margin-bottom: 11px; }
.section__head h2 { margin-bottom: 12px; }

/* ---------------- services / price board ---------------- */
.board {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--sheet);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.board__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 22px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.board__row:last-child { border-bottom: 0; }
.board__row:hover { background: var(--sheet-alt); }
.board__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -.015em;
  margin-bottom: 2px;
}
.board__sub { font-size: .88rem; color: var(--ink-soft); margin-bottom: 13px; }
.board__price {
  text-align: right;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.board__amount {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.22rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  color: var(--ink);
  display: block;
}
.board__unit {
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.board__items {
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 7px 22px;
}
.board__items li {
  font-size: .87rem;
  color: var(--ink-soft);
  padding-left: 17px;
  position: relative;
  line-height: 1.5;
}
.board__items li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 8px; height: 1px;
  background: var(--carbon);
}
.board__tag {
  display: inline-block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------------- process ---------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 218px), 1fr));
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--sheet);
  overflow: hidden;
}
.step {
  padding: 22px 18px;
  border-right: 1px solid var(--rule);
  min-width: 0;
}
.step:last-child { border-right: 0; }
.step__no {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--carbon);
  display: block;
  margin-bottom: 10px;
}
.step h3 { margin-bottom: 7px; }
.step p { font-size: .88rem; color: var(--ink-soft); }

/* ---------------- reasons ---------------- */
.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 14px;
}
.reason {
  padding: 20px 18px;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--carbon);
  border-radius: var(--radius);
  background: var(--sheet);
  min-width: 0;
}
.reason h3 { margin-bottom: 8px; }
.reason p { font-size: .88rem; color: var(--ink-soft); }

/* ---------------- work order form ---------------- */
.order {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}
.order__aside {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--sheet-alt);
  padding: 22px 20px;
}
.order__aside h3 { margin-bottom: 12px; }
.order__aside p { font-size: .89rem; color: var(--ink-soft); margin-bottom: 18px; }
.order__facts { list-style: none; margin: 0; padding: 0; }
.order__facts li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px dashed var(--rule-strong);
  font-size: .84rem;
}
.order__facts span:first-child {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.order__facts span:last-child { text-align: right; color: var(--ink); }

.sheet {
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--sheet);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 18px;
  background: var(--ink);
  color: var(--paper);
}
.sheet__title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.sheet__no { font-family: var(--font-mono); font-size: .7rem; opacity: .72; }
.sheet__body { padding: 22px 20px; }

.field { margin-bottom: 17px; }
.field:last-child { margin-bottom: 0; }
.field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 7px;
}
.field__label .req { color: var(--stamp); }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--ink);
  background: var(--sheet-alt);
  border: 1px solid var(--rule-strong);
  border-bottom: 2px solid var(--rule-strong);
  border-radius: 2px;
  padding: 11px 12px;
  transition: border-color .15s ease, background .15s ease;
}
.field textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: var(--sheet);
  border-bottom-color: var(--carbon);
  border-color: var(--carbon);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-mute); }
.field__hint { font-size: .76rem; color: var(--ink-mute); margin-top: 6px; }
.field__err { font-size: .78rem; color: var(--stamp); margin-top: 6px; display: none; }
.field.is-bad input, .field.is-bad select, .field.is-bad textarea { border-color: var(--stamp); }
.field.is-bad .field__err { display: block; }

.fieldrow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 0 16px;
}

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.sheet__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-top: 1px solid var(--rule);
  background: var(--sheet-alt);
}
.sheet__foot .btn { flex: 1 1 auto; justify-content: center; }
.sheet__note { font-size: .74rem; color: var(--ink-mute); }

/* result panel */
.result { display: none; padding: 34px 22px; text-align: center; }
.result.is-on { display: block; }
.result__icon {
  width: 46px; height: 46px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  border: 1.5px solid var(--carbon);
  border-radius: 50%;
  color: var(--carbon);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  background: var(--carbon-tint);
}
.result h3 { margin-bottom: 9px; }
.result p { font-size: .91rem; color: var(--ink-soft); max-width: 42ch; margin-inline: auto; }
.result__no {
  display: inline-block;
  margin-top: 16px;
  padding: 8px 14px;
  border: 1px dashed var(--rule-strong);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--sheet-alt);
}
.result__again {
  margin-top: 18px;
  background: none;
  border: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--carbon);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------------- FAQ ---------------- */
.faq { border-top: 1px solid var(--rule); }
.faq__item { border-bottom: 1px solid var(--rule); }
.faq__q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -.01em;
  color: var(--ink);
  cursor: pointer;
}
.faq__q:hover { color: var(--carbon); }
.faq__mark {
  font-family: var(--font-mono);
  color: var(--carbon);
  flex: 0 0 auto;
  line-height: 1.5;
}
.faq__a {
  padding: 0 0 18px 30px;
  font-size: .91rem;
  color: var(--ink-soft);
  max-width: 68ch;
}
.faq__a p { margin-bottom: 9px; }
.faq__a[hidden] { display: none; }

/* ---------------- footer ---------------- */
.foot {
  border-top: 1px solid var(--rule);
  padding-block: 34px 44px;
  margin-top: 20px;
}
.foot__in {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  align-items: flex-start;
  justify-content: space-between;
}
.foot__brand { max-width: 42ch; }
.foot__brand p { font-size: .86rem; color: var(--ink-soft); margin-top: 11px; }
.foot__cols { display: flex; flex-wrap: wrap; gap: 30px; }
.foot__col h4 {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 11px;
  font-weight: 500;
}
.foot__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.foot__col a, .foot__col span { font-size: .87rem; color: var(--ink-soft); text-decoration: none; }
.foot__col a:hover { color: var(--carbon); }
.foot__base {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ink-mute);
  letter-spacing: .05em;
}

/* ---------------- responsive ---------------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .order { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .topnav { gap: 12px; }
  .topnav a:not(.topnav__cta) { display: none; }
  .board__row { grid-template-columns: 1fr; }
  .board__price { text-align: left; }
  .board__amount { display: inline; margin-right: 8px; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--rule); }
  .step:last-child { border-bottom: 0; }
  .spec__grid { grid-template-columns: 1fr; }
  .spec__cell { border-right: 0; }
  .spec__cell:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .spec__cell:last-child { border-bottom: 0; }
  .faq__a { padding-left: 0; }
  .sheet__body { padding: 20px 16px; }
  .sheet__head { padding: 10px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .btn:hover { transform: none; }
}