@font-face {
  font-family: "Instrument Sans";
  src: url("fonts/instrument-sans-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-paper: #fcfcfb;
  --color-ink: #1a1a1a;
  --color-secondary: #4a4a4a;
  --color-rule: #e6e6e4;
  --color-hover: #f3f3f1;
  --color-select: #e8e8e6;
  --color-dust: #2a2a2a;

  --font-sans: "Instrument Sans", "Segoe UI", sans-serif;
  --font-size-display: clamp(3.1rem, 7vw, 5.5rem);
  --font-size-headline: clamp(2.2rem, 6vw, 3.6rem);
  --font-size-title: clamp(2.2rem, 4.4vw, 3.4rem);
  --font-size-lead: clamp(1.2rem, 2vw, 1.45rem);
  --font-size-phrase: clamp(1.7rem, 5vw, 3rem);
  --font-size-body: 1.0625rem;
  --font-size-nav: 0.9375rem;
  --font-size-label: 0.875rem;
  --font-size-mark: 1.05rem;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --line-height-display: 0.96;
  --line-height-title: 1.04;
  --line-height-lead: 1.45;
  --line-height-body: 1.55;
  --letter-spacing-display: -0.045em;
  --letter-spacing-title: -0.035em;
  --letter-spacing-lead: -0.015em;
  --letter-spacing-action: -0.02em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 2rem;
  --space-8: 2.5rem;
  --space-9: 3rem;
  --space-10: 4rem;
  --space-sheet-x: clamp(1.25rem, 4vw, 3.5rem);
  --space-section: clamp(4rem, 8vw, 6.5rem);
  /* One left edge for the header, the hero copy, and the product list. */
  --space-gutter: max(var(--space-sheet-x), calc((100vw - 76rem) / 2));
  --height-header: 4.5rem;

  --radius-none: 0;

  --ease-arrive: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-leave: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-swap: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-feedback: 150ms;
  --duration-state: 180ms;
  --duration-wash: 520ms;
  --duration-wipe: 560ms;
  --duration-entrance: 1100ms;
  --duration-reveal: 900ms;

  color-scheme: light;
}

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

html {
  scrollbar-color: #c9c9c7 transparent;
  scroll-padding-top: var(--height-header);
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--color-ink);
}

::selection {
  background: var(--color-select);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

a {
  text-underline-offset: 0.22em;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.lewati {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lewati:focus {
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  left: var(--space-4);
  top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-paper);
  color: var(--color-ink);
  border-radius: var(--radius-none);
  z-index: 20;
}

.lebar {
  padding-left: var(--space-gutter);
  padding-right: var(--space-gutter);
}

/* The underline that leaves to the right and comes back from the left.
   Shared by the hero link, the nav, and the visit link. */
.garis {
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
}

@keyframes wipe {
  0% {
    background-position: 100% 100%;
    background-size: 100% 1px;
  }
  45% {
    background-position: 100% 100%;
    background-size: 0 1px;
  }
  55% {
    background-position: 0 100%;
    background-size: 0 1px;
  }
  100% {
    background-position: 0 100%;
    background-size: 100% 1px;
  }
}

/* Header */

.kepala {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3) var(--space-6);
  min-height: var(--height-header);
}

.kepala-terang {
  position: relative;
  color: var(--color-ink);
}

.kepala-tetap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding-left: var(--space-gutter);
  padding-right: var(--space-gutter);
  border-bottom: 1px solid transparent;
  transition:
    background-color 400ms var(--ease-arrive),
    border-color 400ms var(--ease-arrive),
    -webkit-backdrop-filter 400ms var(--ease-arrive),
    backdrop-filter 400ms var(--ease-arrive);
}

.kepala-tetap.tergulir {
  background-color: rgb(252 252 251 / 0.82);
  border-bottom-color: var(--color-rule);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.nama {
  color: inherit;
  font-size: var(--font-size-mark);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-title);
  text-decoration: none;
  border-radius: var(--radius-none);
  transition: opacity var(--duration-feedback) linear;
}

.nama:hover {
  opacity: 0.72;
}

.nama:active {
  opacity: 0.5;
}

nav {
  display: flex;
  gap: var(--space-5);
}

nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-1);
  color: inherit;
  font-size: var(--font-size-nav);
  text-decoration: none;
  border-radius: var(--radius-none);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 calc(100% - 0.6rem);
  background-size: 0 1px;
  transition:
    opacity var(--duration-feedback) linear,
    background-size 420ms var(--ease-arrive);
}

nav a:hover {
  background-size: calc(100% - 0.5rem) 1px;
  background-position: 0.25rem calc(100% - 0.6rem);
}

nav a:active {
  opacity: 0.6;
}

/* Hero */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1.08fr);
  align-items: center;
  min-height: 100svh;
  padding: var(--height-header) var(--space-gutter) var(--space-8);
  background: var(--color-paper);
  color: var(--color-ink);
  overflow: hidden;
}

.hero-isi {
  position: relative;
  z-index: 1;
  grid-column: 1;
  max-width: 36rem;
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
  padding-right: var(--space-4);
}

h1 {
  margin: 0;
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-display);
  line-height: var(--line-height-display);
  text-wrap: balance;
}

/* A line that rises out of its own mask. */
.masuk {
  overflow: hidden;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}

.masuk > span {
  display: block;
}

.pengantar {
  max-width: 28em;
  margin: var(--space-6) 0 0;
  color: var(--color-secondary);
  font-size: var(--font-size-lead);
  line-height: var(--line-height-lead);
  letter-spacing: var(--letter-spacing-lead);
  text-wrap: pretty;
}

.kata-baris {
  margin: var(--space-2) 0 0;
  overflow: hidden;
  font-size: var(--font-size-phrase);
  line-height: 1.15;
  min-height: 1.2em;
  /* Room for the descenders in “deploy” and “happen”. */
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
}

.kata {
  display: inline-block;
  color: var(--color-ink);
  font-size: 1em;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-title);
  line-height: 1.15;
  white-space: nowrap;
}

.huruf {
  display: inline-block;
  white-space: pre;
}

/* Three marks under the phrase: which word is up, and how long it stays. */
.jejak {
  display: flex;
  gap: 6px;
  margin-top: var(--space-4);
}

.jejak span {
  position: relative;
  display: block;
  width: 1.75rem;
  height: 2px;
  background: var(--color-rule);
  overflow: hidden;
}

.jejak span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-ink);
  transform: scaleX(0);
  transform-origin: left center;
}

.jejak span.selesai::after {
  transform: scaleX(1);
}

.jejak span.aktif::after {
  animation: isi var(--tahan, 2800ms) linear forwards;
}

@keyframes isi {
  to {
    transform: scaleX(1);
  }
}

html:not(.js) .jejak {
  display: none;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero-aksi {
  margin: var(--space-7) 0 0;
}

.hero-lanjut {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-ink);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-action);
  border-radius: var(--radius-none);
  transition: opacity var(--duration-feedback) linear, transform 300ms var(--ease-arrive);
}

.hero-lanjut:hover,
.hero-lanjut:focus-visible {
  transform: translateX(3px);
  animation: wipe var(--duration-wipe) var(--ease-swap);
}

.hero-lanjut:active {
  opacity: 0.65;
  transform: translateX(1px);
}

.bola {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  filter: blur(0.6px);
}

.bola-ruang {
  display: none;
}

/* Product list */

.daftar {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  background: var(--color-paper);
}

.daftar-kepala {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2) var(--space-6);
  padding-bottom: var(--space-6);
}

.daftar-kepala h2 {
  margin: 0;
  font-size: var(--font-size-lead);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-title);
  line-height: var(--line-height-title);
}

.produk {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.8fr);
  gap: var(--space-7) var(--space-10);
  padding: var(--space-9) 0;
  border-radius: var(--radius-none);
}

.produk + .produk {
  margin-top: 0;
}

/* A product's own moving picture, across the top of its row (chart.js). */
.grafik {
  grid-column: 1 / -1;
  display: block;
  width: 100%;
  height: clamp(10rem, 18vw, 16rem);
  margin-bottom: var(--space-2);
  pointer-events: none;
}

/* Top hairline, drawn in from the left when the row arrives. */
.produk::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-rule);
  transform-origin: left center;
}

/* Row wash: grows from the left under the pointer, recedes to the right. */
.produk::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 1px calc(var(--space-5) * -1) 0;
  background: var(--color-hover);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--duration-wash) var(--ease-arrive);
}

.produk:has(.buka:hover)::after,
.produk:has(.buka:focus-visible)::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.produk:has(.buka):focus-within {
  outline: 2px solid var(--color-ink);
  outline-offset: -2px;
}

.produk:has(.buka) .buka:focus-visible {
  outline: none;
}

.produk h3 {
  margin: 0 0 var(--space-4);
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-title);
  line-height: var(--line-height-title);
  text-wrap: balance;
  transition: translate var(--duration-wash) var(--ease-arrive);
}

.produk:has(.buka:hover) h3,
.produk:has(.buka:focus-visible) h3 {
  /* translate, not transform, so the list reveal cannot override it. */
  translate: 3px 0;
}

.produk p {
  max-width: 34em;
  margin: 0;
  text-wrap: pretty;
}

.spesifikasi {
  align-self: start;
  margin: 0;
}

.spesifikasi div {
  display: grid;
  grid-template-columns: 5.8rem minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-rule);
}

.spesifikasi div:first-child {
  padding-top: 0;
}

.spesifikasi dt {
  color: var(--color-secondary);
  font-size: var(--font-size-label);
  line-height: var(--line-height-body);
  padding-top: 0.1em;
}

.spesifikasi dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.buka {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  margin-top: var(--space-7);
  min-height: 2.75rem;
  color: var(--color-ink);
  text-decoration: none;
  border-radius: var(--radius-none);
}

.buka-aksi {
  display: inline-block;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-action);
  padding-bottom: 1px;
  transition: transform 300ms var(--ease-arrive), opacity var(--duration-feedback) linear;
}

.buka:hover .buka-aksi,
.buka:focus-visible .buka-aksi {
  transform: translateX(3px);
  animation: wipe var(--duration-wipe) var(--ease-swap);
}

.buka:active .buka-aksi {
  transform: translateX(1px);
  opacity: 0.65;
}

.buka-domain {
  color: var(--color-secondary);
  font-size: var(--font-size-label);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  overflow-wrap: anywhere;
}

.produk .buka::after {
  content: "";
  position: absolute;
  inset: 0;
}

.kosong {
  margin: 0;
  color: var(--color-secondary);
}

/* 404 */

.halaman-hilang {
  padding-top: clamp(4rem, 12vw, 8rem);
  padding-bottom: var(--space-10);
  min-height: calc(100svh - 8rem);
}

.halaman-hilang h1 {
  margin: 0;
  max-width: 12em;
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-display);
  line-height: var(--line-height-display);
  text-wrap: balance;
}

.halaman-hilang .buka {
  margin-top: var(--space-7);
}

/* Footer */

.kolofon {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  border-top: 1px solid var(--color-rule);
  color: var(--color-secondary);
  font-size: var(--font-size-label);
}

.kolofon p {
  margin: 0;
}

/* Motion: one entrance for the hero, one reveal for the list. */

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

  @keyframes naik {
    from {
      transform: translateY(105%);
    }
    to {
      transform: none;
    }
  }

  @keyframes muncul {
    from {
      opacity: 0;
      transform: translateY(0.75rem);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }

  @keyframes pudar {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  .kepala-tetap {
    animation: pudar 900ms var(--ease-arrive) 250ms both;
  }

  .masuk > span {
    animation: naik var(--duration-entrance) var(--ease-arrive) both;
  }

  .masuk-1 > span {
    animation-delay: 120ms;
  }

  .masuk-2 > span {
    animation-delay: 260ms;
  }

  .kata-baris > .kata {
    animation: naik var(--duration-entrance) var(--ease-arrive) 400ms both;
  }

  .jejak {
    animation: pudar 700ms linear 700ms both;
  }

  .hero-aksi {
    animation: muncul 900ms var(--ease-arrive) 640ms both;
  }

  /* The list reveal waits for site.js to mark rows as ready, so the list
     is never hidden when the script does not run. */
  .js .siap .daftar-kepala > *,
  .js .siap.produk .produk-isi > *,
  .js .siap.produk .spesifikasi > div {
    opacity: 0;
    transform: translateY(1rem);
    transition:
      opacity var(--duration-reveal) var(--ease-arrive),
      transform var(--duration-reveal) var(--ease-arrive);
  }

  .js .siap.produk::before {
    transform: scaleX(0);
    transition: transform 1200ms var(--ease-arrive);
  }

  .js .siap.tampak .daftar-kepala > *,
  .js .siap.tampak.produk .produk-isi > *,
  .js .siap.tampak.produk .spesifikasi > div {
    opacity: 1;
    transform: none;
  }

  .js .siap.tampak.produk::before {
    transform: scaleX(1);
  }

  .js .siap.produk .produk-isi > :nth-child(1) {
    transition-delay: 120ms;
  }

  .js .siap.produk .produk-isi > :nth-child(2) {
    transition-delay: 200ms;
  }

  .js .siap.produk .produk-isi > :nth-child(3) {
    transition-delay: 280ms;
  }

  .js .siap.produk .spesifikasi > div {
    transition-delay: calc(240ms + var(--i, 0) * 60ms);
  }

  /* After the reveal, hover moves the title on its own clock. */
  .js .siap.tampak.produk .produk-isi > h3 {
    transition:
      opacity var(--duration-reveal) var(--ease-arrive) 120ms,
      transform var(--duration-reveal) var(--ease-arrive) 120ms,
      translate var(--duration-wash) var(--ease-arrive);
  }
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    align-items: stretch;
  }

  .hero-isi {
    grid-column: 1;
    grid-row: 2;
    max-width: none;
    padding-top: var(--space-4);
    padding-bottom: var(--space-8);
  }

  .bola-ruang {
    display: block;
    grid-column: 1;
    grid-row: 1;
    height: 42vh;
    min-height: 240px;
  }

  .produk {
    grid-template-columns: 1fr;
    gap: var(--space-7);
    padding: var(--space-8) 0;
  }

  .produk::after {
    inset: 1px calc(var(--space-sheet-x) * -1) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-lanjut,
  .hero-lanjut:hover,
  .hero-lanjut:focus-visible,
  .hero-lanjut:active,
  .buka:hover .buka-aksi,
  .buka:focus-visible .buka-aksi,
  .buka:active .buka-aksi,
  .produk:has(.buka:hover) h3,
  .produk:has(.buka:focus-visible) h3 {
    transform: none;
    translate: none;
    animation: none;
  }

  .produk::after {
    transition: none;
  }

  .jejak {
    display: none;
  }
}

@media print {
  .hero {
    background: var(--color-paper);
    color: var(--color-ink);
    min-height: 0;
  }

  .kepala-tetap {
    position: static;
  }

  .bola,
  .grafik,
  .jejak,
  .lewati {
    display: none;
  }
}