@font-face { font-family: "Unbounded"; src: url("../assets/fonts/unbounded.woff2") format("woff2"); font-weight: 200 900; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("../assets/fonts/plus-jakarta-sans.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../assets/fonts/jetbrains-mono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../assets/fonts/jetbrains-mono-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }

/* Konsep: poster berwarna blok. Kuning kunyit di hero, tinta gelap untuk ritme, merah muda delima di kontak.
   Satu momen berani: panggung hero dengan foto yang keluar dari bingkai. Bagian lain tenang, bergaris tinta, bayangan keras. */
:root {
  --kunyit: #FFC83D;
  --kunyit-soft: #FFE9A8;
  --ink: #1B1226;
  --ink-2: #4A4158;
  --kertas: #FFFFFF;
  --lavender: #F2EFFA;
  --delima: #FF4D6D;
  --delima-soft: #FFD6DE;
  --listrik: #3D52FF;
  --listrik-soft: #DCE1FF;
  --stempel: #D61F4A;
  --ok: #17A05A;
  --hard: 5px 5px 0 var(--ink);
  --font-display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--kertas); color: var(--ink); font: 16px/1.65 var(--font-body); overflow-x: clip; }
html { overflow-x: clip; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; text-wrap: balance; letter-spacing: -0.03em; line-height: 1.12; }
:focus-visible { outline: 3px solid var(--listrik); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1152px; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.mono { font-family: var(--font-mono); }

/* header */
header.top { position: fixed; z-index: 40; top: calc(env(safe-area-inset-top, 0px) + 10px); left: 0; right: 0; pointer-events: none; }
header.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.brand, .pill { pointer-events: auto; background: var(--ink); color: var(--kunyit); border-radius: 999px; }
.brand { font-family: var(--font-display); font-weight: 800; font-size: 14px; padding: 10px 18px; text-decoration: none; letter-spacing: -0.02em; box-shadow: 3px 3px 0 var(--delima); }
.pill { display: flex; gap: 2px; padding: 5px; }
.pill a { color: #F6F2FF; text-decoration: none; font-weight: 600; font-size: 14px; padding: 7px 14px; border-radius: 999px; }
.pill a:hover { background: rgba(255,255,255,.14); }
.pill a.cta { background: var(--kunyit); color: var(--ink); }
@media (max-width: 640px) { .pill a:not(.cta) { display: none; } }

/* hero */
.hero-band { background: var(--kunyit); position: relative; padding-top: 140px; }
.hero-band::before { content: ""; position: absolute; inset: 0 0 0 52%; background-image: radial-gradient(rgba(27,18,38,.16) 1.4px, transparent 1.6px); background-size: 20px 20px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%); mask-image: linear-gradient(90deg, transparent, #000 40%); pointer-events: none; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr); gap: 56px; align-items: center; padding-bottom: 124px; }
.hero h1 { font-size: clamp(26px, 3.3vw, 44px); font-weight: 800; }
.lead { margin-top: 22px; font-size: 17.5px; max-width: 54ch; color: var(--ink); }
.lead strong { font-weight: 800; }
.btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; padding: 13px 22px; border: 2.5px solid var(--ink); border-radius: 12px; font: 700 15.5px var(--font-body); text-decoration: none; cursor: pointer; box-shadow: 4px 4px 0 var(--ink); transition: transform .12s, box-shadow .12s; }
.btn:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.btn:active { transform: translate(4px, 4px); box-shadow: 0 0 0 var(--ink); }
.btn.dark { background: var(--ink); color: var(--kunyit); }
.btn.light { background: var(--kertas); color: var(--ink); }
.btn:disabled { opacity: .6; cursor: default; }
.open-to { margin-top: 30px; display: inline-flex; gap: 10px; align-items: center; background: var(--kertas); border: 2px solid var(--ink); border-radius: 999px; padding: 8px 16px 8px 12px; font-size: 14px; font-weight: 600; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(23,160,90,.25); flex: none; }

/* panggung 3D */
.stage { container-type: inline-size; perspective: 1200px; max-width: 520px; width: 100%; margin-inline: auto; padding-top: 50px; }
.plane { position: relative; aspect-ratio: 1 / 1.08; transform-style: preserve-3d; }
.disc { position: absolute; left: 7%; top: 10%; width: 86%; aspect-ratio: 1; border-radius: 50%; background: var(--delima); border: 3px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); transform: translate3d(calc(var(--px, 0) * 10px), calc(var(--py, 0) * 6px), 10px); }
.disc::after { content: ""; position: absolute; inset: 9%; border-radius: 50%; border: 2px dashed rgba(27,18,38,.45); }
.word { position: absolute; left: 0; right: 0; top: 4%; text-align: center; font-family: var(--font-display); font-weight: 900; font-size: 19.5cqw; line-height: 1; letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 2.5px var(--ink); transform: translate3d(calc(var(--px, 0) * 24px), calc(var(--py, 0) * 12px), 40px); user-select: none; pointer-events: none; }
.person { position: absolute; bottom: 0; left: 50%; width: 90%; max-width: none; height: auto; margin-left: -45%; transform: translate3d(calc(var(--px, 0) * -14px), calc(var(--py, 0) * -6px), 80px); filter: drop-shadow(0 14px 0 rgba(27,18,38,.18)); pointer-events: none; }
.stk { position: absolute; padding: 7px 13px; border: 2.5px solid var(--ink); border-radius: 10px; font: 600 13px var(--font-mono); box-shadow: 4px 4px 0 var(--ink); background: var(--kertas); color: var(--ink); white-space: nowrap; animation: bob 5.5s ease-in-out infinite; }
.stk.b { background: var(--listrik); color: #fff; }
.stk.k { background: var(--ink); color: var(--kunyit); }
.stk.p { background: var(--kunyit); }
.s1 { left: 2%; top: 30%; transform: translate3d(calc(var(--px, 0) * 30px), calc(var(--py, 0) * 16px), 130px) rotate(-6deg); }
.s2 { right: 1%; top: 20%; transform: translate3d(calc(var(--px, 0) * 40px), calc(var(--py, 0) * 18px), 110px) rotate(5deg); animation-delay: -1.5s; }
.s3 { left: 0; top: 58%; transform: translate3d(calc(var(--px, 0) * 26px), calc(var(--py, 0) * 14px), 150px) rotate(4deg); animation-delay: -3s; }
.s4 { right: 0; top: 52%; transform: translate3d(calc(var(--px, 0) * 34px), calc(var(--py, 0) * 16px), 100px) rotate(-5deg); animation-delay: -4.2s; }
.s5 { left: 50%; bottom: -14px; margin-left: -105px; padding: 10px 18px; font: 800 15px var(--font-display); letter-spacing: -0.02em; transform: translate3d(calc(var(--px, 0) * 16px), calc(var(--py, 0) * 10px), 170px) rotate(-2deg); animation: none; }
.s5 small { font: 500 12.5px var(--font-body); margin-left: 8px; letter-spacing: 0; }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -9px; } }

/* ticker */
.ticker { background: var(--ink); color: var(--kunyit); overflow: hidden; border-block: 3px solid var(--ink); padding-block: 14px; }
.ticker-track { display: flex; width: max-content; animation: run 38s linear infinite; }
.ticker span { font: 800 20px var(--font-display); letter-spacing: -0.02em; white-space: nowrap; padding-inline: 22px; display: inline-flex; align-items: center; gap: 44px; }
.ticker span::after { content: ""; width: 12px; height: 12px; background: var(--delima); transform: rotate(45deg); }
@keyframes run { to { transform: translateX(-50%); } }

/* sections */
section { padding-block: 84px; }
section h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; }
.intro { margin-top: 16px; max-width: 64ch; font-size: 17px; color: var(--ink-2); }
.tag { display: inline-block; background: var(--kunyit); border: 2px solid var(--ink); border-radius: 999px; padding: 3px 14px; font: 600 13px var(--font-mono); margin-bottom: 18px; }

/* SI-REINO */
.proj-top { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 52px; margin-top: 40px; align-items: start; }
.facts { margin: 0; border-top: 2.5px solid var(--ink); }
.facts div { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 12px; padding-block: 13px; border-bottom: 1.5px solid var(--ink); font-size: 15px; }
.facts dt { font-weight: 700; }
.facts dd { margin: 0; color: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip { font: 600 12.5px var(--font-mono); padding: 5px 11px; border: 2px solid var(--ink); border-radius: 8px; background: var(--lavender); }
.frame { background: var(--kertas); border: 3px solid var(--ink); border-radius: 14px; overflow: hidden; box-shadow: 9px 9px 0 var(--listrik); }
.tabs { display: flex; gap: 6px; padding: 10px 10px 0; background: var(--lavender); border-bottom: 3px solid var(--ink); overflow-x: auto; }
.tab { font: 700 13.5px var(--font-body); padding: 8px 14px; border: 2px solid transparent; border-bottom: 0; border-radius: 9px 9px 0 0; background: transparent; color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { background: var(--kunyit); color: var(--ink); border-color: var(--ink); margin-bottom: -3px; padding-bottom: 11px; }
.shot { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; }
.shot-cap { padding: 12px 16px; font-size: 13.5px; color: var(--ink-2); border-top: 2px solid var(--ink); }

.demo { margin-top: 72px; background: var(--listrik); color: #fff; border: 3px solid var(--ink); border-radius: 22px; box-shadow: 9px 9px 0 var(--ink); padding: clamp(24px, 4.5vw, 52px); display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 48px; align-items: center; }
.demo h3 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
.seq { margin: 22px 0 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 14px; }
.seq li { counter-increment: s; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; font-size: 16px; }
.seq li::before { content: counter(s); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--kunyit); color: var(--ink); font: 800 14px var(--font-display); border: 2px solid var(--ink); }
.demo-hint { margin-top: 22px; font-size: 14px; opacity: .85; }
.demo-letter { perspective: 1100px; max-width: 460px; width: 100%; justify-self: center; }
.letter { background: var(--kertas); color: var(--ink); border: 3px solid var(--ink); border-radius: 8px; box-shadow: 8px 8px 0 var(--ink); padding: 24px 24px 20px; position: relative; --rx: 3deg; --ry: -7deg; }
.letter-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; border-bottom: 3px solid var(--ink); padding-bottom: 10px; transform: translateZ(18px); }
.letter-head b { font: 800 15px var(--font-display); letter-spacing: -0.02em; }
.letter-head span { font-size: 12.5px; color: var(--ink-2); }
.rows { margin: 16px 0 0; display: grid; gap: 10px; transform: translateZ(18px); }
.rows div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 10px; font-size: 14px; }
.rows dt { color: var(--ink-2); }
.rows dd { margin: 0; overflow-wrap: anywhere; }
.rows dd.mono { font-size: 13px; }
.steps { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; transform: translateZ(18px); }
.steps li { border-top: 5px solid #D8D2E6; padding-top: 8px; font-size: 13px; color: var(--ink-2); font-weight: 700; transition: border-color .3s, color .3s; }
.steps li.on { border-color: var(--ink); color: var(--ink); }
.steps li.now { border-color: var(--ok); color: var(--ok); }
.steps small { display: block; font-weight: 500; font-size: 12px; color: var(--ink-2); }
.stamp-zone { height: 104px; position: relative; margin-top: 6px; }
.stamp { position: absolute; right: 4px; top: 6px; transform: rotate(-9deg) translateZ(60px); border: 3.5px solid var(--stempel); outline: 1.5px solid var(--stempel); outline-offset: 3px; color: var(--stempel); border-radius: 6px; padding: 8px 18px 6px; text-align: center; font: 900 25px var(--font-display); letter-spacing: -0.01em; line-height: 1; }
.stamp small { display: block; font: 600 10.5px var(--font-mono); letter-spacing: .08em; margin-top: 6px; }
.stamp.hit { animation: hit .5s cubic-bezier(.2,1.4,.4,1) both; }
@keyframes hit { from { transform: rotate(-9deg) translateZ(60px) scale(2.2); opacity: 0; } to { transform: rotate(-9deg) translateZ(60px) scale(1); opacity: 1; } }
.stamp[hidden] { display: none; }
.sent { font-size: 13px; color: var(--ink-2); min-height: 22px; }
.sent .mono { color: var(--ink); font-weight: 600; }
.replay { margin-top: 14px; width: 100%; justify-content: center; padding: 10px 16px; font-size: 14.5px; box-shadow: 3px 3px 0 var(--ink); }
.note { margin-top: 12px; font-size: 12.5px; color: var(--ink-2); text-align: center; }

.arch { margin-top: 72px; }
.arch h3 { font-size: 22px; font-weight: 800; }
.flow { margin-top: 22px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.node { padding: 16px 18px; border: 2.5px solid var(--ink); border-radius: 12px; background: var(--kertas); box-shadow: 4px 4px 0 var(--ink); position: relative; }
.node:not(:last-child)::after { content: ""; position: absolute; right: -16px; top: 50%; width: 14px; height: 14px; border-top: 3px solid var(--ink); border-right: 3px solid var(--ink); transform: translateY(-50%) rotate(45deg); }
.node b { display: block; font: 800 16px var(--font-display); letter-spacing: -0.02em; }
.node span { display: block; font-size: 13.5px; color: var(--ink-2); margin-top: 6px; line-height: 1.5; }
.node.main { background: var(--kunyit); }
.node.main span { color: var(--ink); }
.flow-note { margin-top: 18px; font-size: 14px; color: var(--ink-2); max-width: 80ch; }

.features { margin-top: 64px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 56px; }
.feat { padding-block: 22px; border-top: 2.5px solid var(--ink); }
.feat h3 { font-size: 18px; font-weight: 800; }
.feat p { margin-top: 8px; color: var(--ink-2); font-size: 15.5px; max-width: 54ch; }

.problems { margin-top: 72px; }
.problems > h3 { font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; }
.prob-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.prob { border: 3px solid var(--ink); border-radius: 18px; padding: 24px; box-shadow: 7px 7px 0 var(--ink); }
.prob:nth-child(1) { background: var(--kunyit-soft); }
.prob:nth-child(2) { background: var(--listrik-soft); }
.prob:nth-child(3) { background: var(--delima-soft); }
.prob h4 { font-size: 17.5px; font-weight: 800; line-height: 1.25; }
.prob .lbl { font: 800 13px var(--font-display); margin-top: 18px; letter-spacing: -0.01em; }
.prob p { margin-top: 5px; font-size: 15px; }
.prob code { font: 600 12.5px var(--font-mono); background: rgba(255,255,255,.75); border: 1.5px solid var(--ink); padding: 0 5px; border-radius: 4px; overflow-wrap: anywhere; }

/* keahlian: pita tinta */
.skills { background: var(--ink); color: #F6F2FF; }
.skills .intro { color: #C9C0DC; }
.stack { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 48px; }
.stack h3 { font-size: 17px; font-weight: 800; padding-top: 14px; border-top: 6px solid var(--kunyit); }
.stack div:nth-child(2) h3 { border-color: var(--delima); }
.stack div:nth-child(3) h3 { border-color: var(--listrik); }
.stack div:nth-child(4) h3 { border-color: var(--delima); }
.stack div:nth-child(5) h3 { border-color: var(--listrik); }
.stack div:nth-child(6) h3 { border-color: var(--kunyit); }
.stack ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 6px; color: #C9C0DC; font-size: 15.5px; }
.stack li strong { color: #fff; font-weight: 700; }

/* jejak */
.trail { margin-top: 40px; }
.trail-row { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 28px; padding-block: 22px; border-top: 2.5px solid var(--ink); }
.when { align-self: start; justify-self: start; font: 600 13px var(--font-mono); background: var(--lavender); border: 2px solid var(--ink); border-radius: 8px; padding: 4px 10px; }
.trail-row h3 { font-size: 18px; font-weight: 800; line-height: 1.25; }
.trail-row p { margin-top: 8px; color: var(--ink-2); font-size: 15.5px; max-width: 64ch; }

/* kontak */
.contact-band { background: var(--delima); padding-top: 72px; margin-top: 0; }
.contact { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 36px; align-items: center; padding-bottom: 64px; position: relative; }
.contact-photo { align-self: end; margin-top: -170px; margin-bottom: -64px; position: relative; z-index: 2; }
.contact-photo img { display: block; width: 122%; max-width: none; margin-left: -8%; height: auto; filter: drop-shadow(8px 8px 0 rgba(27,18,38,.9)); }
.contact h2 { font-size: clamp(26px, 3.6vw, 42px); font-weight: 900; }
.contact-body > p { margin-top: 16px; max-width: 50ch; font-size: 17px; font-weight: 500; }
.contact ul { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.contact li { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; padding: 12px 16px; background: var(--kertas); border: 2.5px solid var(--ink); border-radius: 12px; box-shadow: 4px 4px 0 var(--ink); }
.contact li .k { font-size: 13px; font-weight: 700; width: 76px; color: var(--ink-2); }
.contact li .v { font: 600 14.5px var(--font-mono); overflow-wrap: anywhere; flex: 1 1 140px; min-width: 0; }
.contact li a.v { text-decoration: underline; text-underline-offset: 3px; }
.copy { font: 700 13px var(--font-body); padding: 5px 13px; border-radius: 999px; border: 2px solid var(--ink); background: var(--kunyit); color: var(--ink); cursor: pointer; }
.copy:hover { background: var(--ink); color: var(--kunyit); }
footer { background: var(--ink); color: #C9C0DC; font-size: 14px; padding-block: 22px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

/* tilt */
[data-tilt] { transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .35s cubic-bezier(.2,.7,.2,1); transform-style: preserve-3d; will-change: transform; }
[data-tilt].live { transition: transform .08s linear; }
.frame[data-tilt] { --rx: 2deg; --ry: -4deg; }
.prob[data-tilt] { transform-style: flat; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding-bottom: 112px; }
  .s1 { left: 6%; transform: translate3d(0, 0, 110px) rotate(-6deg); }
  .s2 { right: 6%; transform: translate3d(0, 0, 100px) rotate(5deg); }
  .s3 { left: 8%; transform: translate3d(0, 0, 120px) rotate(4deg); }
  .s4 { right: 6%; transform: translate3d(0, 0, 100px) rotate(-5deg); }
  .s5 { left: 6%; margin-left: 0; max-width: 88%; white-space: normal; transform: translate3d(0, 0, 130px) rotate(-2deg); }
  .hero-band { padding-top: 120px; }
  .hero-band::before { inset: 50% 0 0 0; -webkit-mask-image: none; mask-image: none; }
  .stage { max-width: 460px; }
  .proj-top, .demo, .features, .prob-grid, .stack { grid-template-columns: 1fr; }
  .demo { gap: 36px; }
  .flow { grid-template-columns: 1fr; gap: 22px; }
  .node:not(:last-child)::after { right: auto; left: 50%; top: auto; bottom: -17px; transform: translateX(-50%) rotate(135deg); }
  .trail-row { grid-template-columns: 1fr; gap: 10px; }
  .contact { grid-template-columns: 1fr; align-items: start; }
  .contact-photo { width: min(80%, 340px); margin-inline: auto; margin-top: -150px; }
  .contact-photo img { width: 112%; margin-left: -4%; }
  section { padding-block: 60px; }
}
@media (hover: none) { .plane { animation: sway 9s ease-in-out infinite; } }
@keyframes sway { 0%, 100% { transform: perspective(1100px) rotateY(-5deg) rotateX(2deg); } 50% { transform: perspective(1100px) rotateY(5deg) rotateX(-1deg); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stk, .plane, .ticker-track { animation: none !important; }
  .stamp.hit { animation: none; }
  [data-tilt], .steps li, .btn { transition: none; }
}

/* tambahan */
.proof { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.proof li { font: 600 12.5px var(--font-mono); padding: 5px 11px; border: 2px solid var(--ink); border-radius: 8px; background: var(--kunyit-soft); }
@media (max-width: 640px) {
  header.top .wrap { gap: 8px; }
  .brand { font-size: 13px; padding: 9px 14px; }
  .pill a { font-size: 13px; padding: 7px 11px; }
  .pill a[href="#sireino"] { display: block !important; }
}

.demo-link { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }