:root {
  color-scheme: light;

  --dakwat: #121A2B;
  --dakwat-lembut: #4A5568;
  --kertas: #F4F7F9;
  --putih: #FFFFFF;
  --sel: #CBD5DC;
  --stabilo: #FFE733;
  --pandan: #0B6B4E;
  --pandan-gelap: #07402F;
  --ralat: #C8281E;

  --display: "Archivo", "Arial Narrow", sans-serif;
  --body: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, Menlo, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --cols: 12;
  --row: 32px;
  --tabs-h: 42px;
  --top-h: 67px;
}

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

html {
  scroll-padding-top: var(--top-h);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  padding-bottom: var(--tabs-h);
  background: var(--kertas);
  color: var(--dakwat);
  font: 400 1.0625rem/1.55 var(--body);
  overflow-wrap: break-word;
}

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; }

h1, h2 {
  font-family: var(--display);
  font-stretch: 72%;
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

h2 { font-size: clamp(2.5rem, 6vw, 5rem); }

h3 {
  font-family: var(--display);
  font-stretch: 85%;
  font-weight: 700;
  line-height: 1.1;
}

.wrap { padding-inline: var(--gutter); }

/* Focus looks like a selected cell, the same mark used on the logo. */
:focus-visible {
  outline: 2px solid var(--pandan);
  outline-offset: 2px;
}

.skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 30;
  padding: 8px 12px;
  background: var(--dakwat);
  color: var(--putih);
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

/* Selected cell: green ring with the fill handle at the bottom-right corner. */
.sel {
  position: relative;
  display: inline-block;
  outline: 2px solid var(--pandan);
  outline-offset: -2px;
}
.sel::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 8px;
  height: 8px;
  background: var(--pandan);
  border: 1px solid var(--putih);
}

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--putih);
  border-bottom: 1px solid var(--sel);
}

.top-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px var(--gutter);
}

.logo {
  flex: none;
  font: 500 0.9375rem/1 var(--mono);
  text-decoration: none;
}
.logo .sel { padding: 7px 10px; }
.logo-tld { color: var(--pandan); }

.formula {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  border: 1px solid var(--sel);
  font: 400 0.8125rem/1 var(--mono);
  color: var(--dakwat-lembut);
}
.formula > span { padding: 7px 10px; }
.formula-cell { width: 3.2em; text-align: center; border-right: 1px solid var(--sel); }
.formula-fx { font-style: italic; border-right: 1px solid var(--sel); }
.formula-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.lang {
  flex: none;
  margin-left: auto;
  padding: 6px 9px;
  border: 1px solid var(--sel);
  font: 500 0.8125rem/1 var(--mono);
  text-decoration: none;
  transition: background-color 120ms ease;
}
.lang:hover { background: var(--stabilo); }

.top-cta {
  flex: none;
  font-weight: 600;
  font-size: 0.9375rem;
  text-underline-offset: 3px;
}

.ruler {
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  background: var(--kertas);
  border-top: 1px solid var(--sel);
  font: 400 0.6875rem/20px var(--mono);
  color: var(--dakwat-lembut);
  text-align: center;
}
.ruler span + span { border-left: 1px solid var(--sel); }

/* Hero */
.hero {
  padding-block: clamp(40px, 7vw, 88px) clamp(48px, 7vw, 96px);
  background-color: var(--putih);
  background-image:
    linear-gradient(to right, #E6ECF0 1px, transparent 1px),
    linear-gradient(to bottom, #E6ECF0 1px, transparent 1px);
  background-size: calc(100% / var(--cols)) var(--row);
}

h1 { font-size: clamp(3rem, 8.4vw, 8rem); max-width: 15em; }

.file {
  display: inline-block;
  margin-top: 0.16em;
  padding: 0.14em 0.28em;
  background: var(--stabilo);
  font: 500 0.54em/1.1 var(--mono);
  font-stretch: normal;
  letter-spacing: -0.02em;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
  margin-top: clamp(32px, 5vw, 64px);
}

.lead { font-size: clamp(1.125rem, 1.6vw, 1.375rem); line-height: 1.4; max-width: 30em; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.btn {
  display: inline-block;
  padding: 11px 18px;
  background: var(--putih);
  border: 1px solid var(--dakwat);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 120ms ease, color 120ms ease;
}
.btn:hover { background: var(--stabilo); }
.btn-solid { background: var(--dakwat); color: var(--putih); }
.btn-solid:hover { background: var(--pandan); }

/* Sebelum / selepas demo */
.demo { min-width: 0; }

.demo-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 6px 6px 12px;
  background: var(--dakwat);
  color: var(--putih);
  font: 400 0.8125rem/1.2 var(--mono);
}

.swap { display: grid; min-width: 0; }
.swap > span { grid-area: 1 / 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }

.toggle { flex: none; display: flex; }
.toggle button {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid #5B6678;
  color: var(--putih);
  font: inherit;
  cursor: pointer;
}
.toggle button + button { border-left: 0; }
.toggle button[aria-pressed="true"] { background: var(--stabilo); border-color: var(--stabilo); color: var(--dakwat); }
.toggle button:focus-visible { outline-color: var(--stabilo); }

.sheet {
  background: var(--putih);
  border: 1px solid var(--sel);
  border-top: 0;
  font: 400 0.8125rem/1.3 var(--mono);
}

.r {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1.05fr) minmax(0, 1.35fr) minmax(0, 0.95fr) minmax(0, 0.6fr);
  border-bottom: 1px solid var(--sel);
}
.r:last-child { border-bottom: 0; }

.n {
  display: grid;
  place-items: center;
  background: var(--kertas);
  color: var(--dakwat-lembut);
  font-size: 0.6875rem;
  border-right: 1px solid var(--sel);
}

.c { display: grid; min-width: 0; }
.c + .c { border-left: 1px solid var(--sel); }
.c > span { grid-area: 1 / 1; padding: 9px 10px; min-width: 0; }

.r-head { background: var(--kertas); color: var(--dakwat-lembut); font-weight: 500; }
.r-foot { background: var(--kertas); font-weight: 500; }

/* m = rekod lama, k = rekod kemas. Only the current state is visible or read out. */
.m, .k {
  transition:
    opacity 260ms ease calc(var(--i, 0) * 55ms),
    transform 260ms ease calc(var(--i, 0) * 55ms),
    visibility 0s linear calc(var(--i, 0) * 55ms + 130ms);
}
[data-state="before"] .k,
[data-state="after"] .m { opacity: 0; visibility: hidden; transform: translateY(5px); }

.k { align-self: center; }

.m.hl { background: var(--stabilo); }
.m.up { text-align: right; }
.m.err { color: var(--ralat); font-weight: 500; }

.pill {
  display: inline-block;
  padding: 1px 7px;
  font-weight: 500;
  white-space: nowrap;
}
.pill.ok { background: #D8EFE6; color: var(--pandan-gelap); }
.pill.no { background: #FBE3E1; color: #8E1C15; }
.pill.part { background: #FFF6B8; color: #5B4E00; }

.r-foot .c:nth-of-type(3) { border-left-color: transparent; }

figcaption { margin-top: 8px; font: 400 0.75rem/1.4 var(--mono); color: var(--dakwat-lembut); }

/* Services */
.services, .company { padding-block: clamp(64px, 9vw, 128px); }

.services h2 { max-width: 12em; margin-bottom: clamp(32px, 5vw, 64px); }

.service {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 4fr) minmax(0, 4fr);
  gap: clamp(16px, 3vw, 40px);
  padding: clamp(20px, 3vw, 32px) clamp(12px, 1.5vw, 20px);
  background: var(--putih);
  border: 1px solid var(--sel);
}
.service + .service { border-top: 0; }

.service h3 { font-size: clamp(1.625rem, 2.8vw, 2.5rem); }

.service ul { font-size: 0.9375rem; }
.service li { padding-block: 5px; border-bottom: 1px solid #E6ECF0; }
.service li:last-child { border-bottom: 0; }

@media (hover: hover) {
  .service::after,
  .service::before { opacity: 0; transition: opacity 100ms ease; }
  .service::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: 1;
    border: 2px solid var(--pandan);
    pointer-events: none;
  }
  .service::after {
    content: "";
    position: absolute;
    right: -5px;
    bottom: -5px;
    z-index: 2;
    width: 9px;
    height: 9px;
    background: var(--pandan);
    border: 1px solid var(--putih);
  }
  .service:hover::before,
  .service:hover::after { opacity: 1; }
}

.services-note { margin-top: 24px; }
.services-note a { font-weight: 600; text-underline-offset: 3px; }

/* Process */
.process {
  padding-block: clamp(64px, 9vw, 128px);
  background: var(--pandan-gelap);
  color: var(--putih);
}
.process :focus-visible { outline-color: var(--stabilo); }
.process h2 { margin-bottom: clamp(32px, 5vw, 64px); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.28);
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  padding: 16px clamp(14px, 1.5vw, 20px) 28px;
}
.steps li + li { border-left: 1px solid rgba(255, 255, 255, 0.28); }
.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: clamp(32px, 5vw, 72px);
  font: 400 0.8125rem/1 var(--mono);
  color: var(--stabilo);
}
.steps h3 { font-size: clamp(1.5rem, 2.2vw, 2rem); margin-bottom: 10px; }
.steps p { font-size: 0.9875rem; color: #D5E5DF; }

/* Company */
.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.company h2 { font-size: clamp(2.25rem, 4.6vw, 4rem); margin-bottom: 20px; }
.company-grid p { max-width: 32em; }

.record {
  background: var(--putih);
  border: 1px solid var(--sel);
  font-size: 0.9375rem;
}
.record > div {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
}
.record > div + div { border-top: 1px solid var(--sel); }
.record dt, .record dd { padding: 11px 12px; }
.record dt {
  background: var(--kertas);
  border-right: 1px solid var(--sel);
  font: 400 0.8125rem/1.5 var(--mono);
  color: var(--dakwat-lembut);
}

/* Contact */
.contact {
  padding-block: clamp(72px, 10vw, 144px);
  background: var(--stabilo);
}
.contact h2 { max-width: 13em; font-size: clamp(2.75rem, 7vw, 6.5rem); }
.contact p { margin-top: 20px; font-size: clamp(1.0625rem, 1.5vw, 1.25rem); }

.contact-mail {
  display: inline-block;
  margin-top: 28px;
  padding: 0.18em 0.4em;
  background: var(--dakwat);
  color: var(--putih);
  font: 500 clamp(1.375rem, 4vw, 3rem)/1.15 var(--mono);
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: background-color 120ms ease;
}
.contact-mail:hover { background: var(--pandan); }
.contact :focus-visible { outline-color: var(--dakwat); }

/* Footer */
.foot {
  padding-block: 16px;
  background: var(--dakwat);
  color: #B8C2CF;
  font: 400 0.75rem/1.5 var(--mono);
}
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 24px; }

/* Sheet tabs are the page's navigation. */
.tabs {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 20;
  height: var(--tabs-h);
  display: flex;
  padding-inline: var(--gutter);
  background: var(--kertas);
  border-top: 1px solid var(--sel);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tabs a {
  flex: none;
  display: flex;
  align-items: center;
  margin-top: -1px;
  padding-inline: 14px;
  border-right: 1px solid var(--sel);
  border-bottom: 3px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dakwat-lembut);
  text-decoration: none;
}
.tabs a:first-child { border-left: 1px solid var(--sel); }
.tabs a:hover { color: var(--dakwat); background: var(--putih); }
.tabs a[aria-current="true"] {
  background: var(--putih);
  border-bottom-color: var(--pandan);
  color: var(--pandan);
  font-weight: 600;
}
.tabs a:focus-visible { outline-offset: -3px; }

/* Tablet */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .service { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .service h3 { grid-column: 1 / -1; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps li:nth-child(3) { border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, 0.28); }
  .steps li::before { margin-bottom: 24px; }
  .company-grid { grid-template-columns: minmax(0, 1fr); }
}

/* Phone */
@media (max-width: 720px) {
  :root { --cols: 6; }

  .formula { display: none; }
  .ruler span:nth-child(n+7) { display: none; }

  h1 { font-size: clamp(2.75rem, 13.5vw, 4.5rem); }
  .file { font-size: 0.56em; }

  .service { grid-template-columns: minmax(0, 1fr); }

  .sheet { font-size: 0.71875rem; }
  .r { grid-template-columns: 1.5rem minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, 0.95fr); }
  .c-date { display: none; }
  .c > span { padding: 8px 6px; }
  .pill { padding: 1px 4px; white-space: normal; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps li + li { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.28); }
  .record > div { grid-template-columns: minmax(0, 1fr); }
  .record dt { border-right: 0; border-bottom: 1px solid var(--sel); padding-block: 6px; }
  .demo-name { font-size: 0.6875rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}