html, body { margin: 0; padding: 0; background: #0A0A0B; }
body { min-height: 100dvh; }

/* Komplexity: blueprint / control panel. Black + orange, mono indices, drawn schema. */
.kx {
  --kx-bg: #0A0A0B; --kx-panel: #111113; --kx-ink: #F2F0EB; --kx-muted: #8F8D87; --kx-accent: #FF6A1A;
  --kx-grid: rgba(255, 106, 26, 0.09); --kx-grid-major: rgba(255, 106, 26, 0.18); --kx-hair: rgba(242, 240, 235, 0.14);
  --kx-font: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --kx-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --kx-gutter: clamp(1.25rem, 5vw, 5rem); --kx-cell: 48px;
  font-family: var(--kx-font); color: var(--kx-ink); background-color: var(--kx-bg);
  background-image:
    linear-gradient(to right, var(--kx-grid-major) 1px, transparent 1px),
    linear-gradient(to bottom, var(--kx-grid-major) 1px, transparent 1px),
    linear-gradient(to right, var(--kx-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--kx-grid) 1px, transparent 1px);
  background-size: calc(var(--kx-cell) * 6) calc(var(--kx-cell) * 6), calc(var(--kx-cell) * 6) calc(var(--kx-cell) * 6), var(--kx-cell) var(--kx-cell), var(--kx-cell) var(--kx-cell);
  background-attachment: fixed; -webkit-font-smoothing: antialiased;
}
.kx * { box-sizing: border-box; }
.kx a { color: inherit; text-decoration: none; }
.kx :focus-visible { outline: 2px solid var(--kx-accent); outline-offset: 3px; }
.kx ::selection { background: var(--kx-accent); color: #0A0A0B; }

/* nav */
.kx-nav { position: sticky; z-index: 20; top: 0; display: flex; align-items: center; gap: 1.25rem; height: 3.75rem; padding: 0 var(--kx-gutter); background: rgba(10, 10, 11, 0.78); backdrop-filter: blur(10px); border-bottom: 1px solid var(--kx-hair); transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1); }
.kx-nav.is-hidden { transform: translateY(-100%); }
.kx-nav__brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 600; letter-spacing: -0.01em; color: var(--kx-ink); }
.kx-nav__brand img { width: 1.6rem; height: 1.6rem; display: block; }
.kx-nav__links { display: flex; gap: 1.75rem; margin-left: 1.5rem; }
.kx-nav__link { display: inline-flex; align-items: baseline; gap: 0.45rem; padding: 0.4rem 0; font-size: 0.9rem; color: var(--kx-muted); }
.kx-nav__link i { font-style: normal; font-family: var(--kx-mono); font-size: 0.68rem; color: var(--kx-accent); }
.kx-nav__link:hover { color: var(--kx-ink); }
.kx-lang { margin-left: auto; display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.3rem 0.4rem 0.3rem 0.7rem; border: 1px solid var(--kx-hair); border-radius: 999px; font-family: var(--kx-mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--kx-muted); }
.kx-lang__knob { width: 1.6rem; height: 1.15rem; border-radius: 999px; position: relative; background: rgba(242, 240, 235, 0.14); }
.kx-lang__knob::after { content: ""; position: absolute; top: 0.15rem; left: 0.15rem; width: 0.85rem; height: 0.85rem; border-radius: 50%; background: var(--kx-accent); transition: transform 0.3s ease; }
.kx-lang[data-lang="en"] .kx-lang__knob::after { transform: translateX(0.45rem); }
.kx-lang:hover { color: var(--kx-ink); }

/* hero */
.kx-hero { --hero-shift: 0px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; min-height: calc(100dvh - 3.75rem); padding: clamp(3rem, 7vw, 6rem) var(--kx-gutter); border-bottom: 1px solid var(--kx-hair); }
.kx-hero__title { margin: 0; font-size: clamp(3.2rem, 9vw, 8.5rem); font-weight: 700; line-height: 0.9; letter-spacing: -0.05em; display: grid; }
.kx-hero__title-accent { color: var(--kx-accent); }
.kx-hero__lead { margin: 1.75rem 0 0; max-width: 46ch; font-size: clamp(1.05rem, 1.4vw, 1.25rem); line-height: 1.55; color: var(--kx-muted); }
.kx-hero__cta { margin-top: 2rem; }
.kx-hero__specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 3rem 0 0; padding-top: 1.25rem; border-top: 1px solid var(--kx-hair); }
.kx-hero__specs dt { font-family: var(--kx-mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--kx-accent); }
.kx-hero__specs dd { margin: 0.35rem 0 0; font-size: 0.95rem; line-height: 1.4; }
.kx-hero__schema { position: relative; }
.kx-hero__schema::before { content: ""; position: absolute; inset: -12%; border-radius: 50%; background: conic-gradient(from 0deg, rgba(255, 106, 26, 0) 0deg, rgba(255, 106, 26, 0.16) 40deg, rgba(255, 106, 26, 0) 60deg); pointer-events: none; }
.kx-readout { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--kx-mono); font-size: 1rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--kx-ink); padding: 0.9rem 0.4rem; }
.kx-readout__bracket { color: var(--kx-accent); transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); }
.kx-readout__label { position: relative; }
.kx-readout__label::after { content: ""; position: absolute; left: 0; right: 0; bottom: -0.3rem; height: 1px; background: var(--kx-accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.kx-readout:hover .kx-readout__label::after { transform: scaleX(1); }
.kx-readout:hover .kx-readout__bracket:first-child { transform: translateX(-0.35rem); }
.kx-readout:hover .kx-readout__bracket:last-child { transform: translateX(0.35rem); }
.kx-readout:active { transform: translateY(1px); }

/* schema */
.kx-schema { --draw: 1; width: 100%; position: relative; }
.kx-schema__svg { width: 100%; height: auto; display: block; }
.kx-schema__svg--tall { display: none; }
.kx-schema__grid line { stroke: rgba(255, 106, 26, 0.12); stroke-width: 1; }
.kx-schema__wires path { fill: none; stroke: var(--kx-accent); stroke-width: 2; stroke-linecap: square; stroke-dasharray: 1; stroke-dashoffset: calc(1 - var(--draw)); transition: stroke-dashoffset 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); }
.kx-schema__signals circle { fill: var(--kx-ink); filter: drop-shadow(0 0 6px rgba(255, 106, 26, 0.9)); }
.kx-schema__nodes rect { fill: var(--kx-bg); stroke: var(--kx-ink); stroke-width: 1.5; transform-box: fill-box; transform-origin: center; transition: transform 0.7s cubic-bezier(0.2, 0.9, 0.2, 1), stroke 0.3s ease; }
.kx-schema__nodes rect:not(.kx-schema__core):hover { stroke: var(--kx-accent); }
.kx-schema__nodes .kx-schema__core { fill: var(--kx-accent); stroke: var(--kx-accent); }
.kx-schema__nodes text { fill: var(--kx-ink); font-family: var(--kx-mono); font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase; }
.kx-schema__nodes .kx-schema__core-text { fill: #0A0A0B; font-weight: 600; }
.kx-schema__nodes circle { fill: var(--kx-accent); }

/* modules */
.kx-mod { position: relative; padding: clamp(4rem, 8vw, 7rem) var(--kx-gutter); border-bottom: 1px solid var(--kx-hair); }
.kx-mod--panel { background: rgba(17, 17, 19, 0.85); }
.kx-mod__head { max-width: 76rem; margin: 0 auto; }
.kx-mod__meta { display: flex; justify-content: space-between; gap: 1rem; margin: 0 0 1.5rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--kx-hair); font-family: var(--kx-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--kx-accent); }
.kx-mod__title { margin: 0; font-size: clamp(2.2rem, 5vw, 4.5rem); font-weight: 700; line-height: 0.98; letter-spacing: -0.045em; max-width: 18ch; text-wrap: balance; }
.kx-mod__lead { max-width: 76rem; margin: 1.25rem auto 0; color: var(--kx-muted); font-size: 1.1rem; line-height: 1.5; }

/* services */
.kx-grid { list-style: none; margin: clamp(2.5rem, 5vw, 4rem) auto 0; padding: 0; max-width: 76rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--kx-hair); border: 1px solid var(--kx-hair); }
.kx-card { --mx: 50%; --my: 50%; --rx: 0deg; --ry: 0deg; position: relative; padding: 2rem; background: var(--kx-bg); transform-style: preserve-3d; transition: background 0.3s ease; }
.kx-card:hover { background: var(--kx-panel); }
.kx-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--mx) var(--my), rgba(255, 106, 26, 0.18), transparent 60%); opacity: 0; transition: opacity 0.35s ease; pointer-events: none; }
.kx-card:hover::before { opacity: 1; }
.kx-card > * { position: relative; }
.kx-corner { position: absolute; top: 0.6rem; right: 0.6rem; width: 0.9rem; height: 0.9rem; border-top: 2px solid var(--kx-accent); border-right: 2px solid var(--kx-accent); transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); }
.kx-card:hover .kx-corner { transform: translate(-0.2rem, 0.2rem); }
.kx-card__top { display: flex; justify-content: space-between; font-family: var(--kx-mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--kx-muted); }
.kx-card__index { color: var(--kx-accent); }
.kx-card__icon { width: 3rem; height: 3rem; margin: 2rem 0 1.25rem; object-fit: contain; }
.kx-card__title { margin: 0; font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 600; letter-spacing: -0.03em; }
.kx-card__body { margin: 0.75rem 0 0; color: var(--kx-muted); line-height: 1.5; max-width: 40ch; }
.kx-card__specs { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 0.45rem; font-family: var(--kx-mono); font-size: 0.8rem; color: var(--kx-ink); }
.kx-card__specs li { position: relative; padding-left: 1.1rem; }
.kx-card__specs li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.45rem; height: 1px; background: var(--kx-accent); }

/* process */
.kx-steps { --signal: 0; list-style: none; margin: clamp(2.5rem, 5vw, 4rem) auto 0; padding: 2.5rem 0 0; max-width: 76rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; position: relative; }
.kx-steps::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--kx-hair); }
.kx-steps::after { content: ""; position: absolute; left: 0; top: -1px; width: 100%; height: 3px; background: var(--kx-accent); transform: scaleX(var(--signal)); transform-origin: left; box-shadow: 0 0 14px rgba(255, 106, 26, 0.7); }
.kx-step { position: relative; }
.kx-step__node { position: absolute; top: calc(-2.5rem - 5px); left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--kx-bg); border: 2px solid var(--kx-accent); transition: background 0.3s ease, box-shadow 0.3s ease; }
.kx-step:hover .kx-step__node { background: var(--kx-accent); box-shadow: 0 0 16px rgba(255, 106, 26, 0.6); }
.kx-step__index { font-family: var(--kx-mono); font-size: 2.4rem; line-height: 1; color: var(--kx-accent); }
.kx-step__title { margin: 0.75rem 0 0.4rem; font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; display: flex; align-items: center; gap: 0.55rem; }
.kx-step__title img { width: 1.4rem; height: 1.4rem; object-fit: contain; }
.kx-step__body { margin: 0; color: var(--kx-muted); line-height: 1.5; }
.kx-step__out { margin: 1rem 0 0; font-family: var(--kx-mono); font-size: 0.74rem; letter-spacing: 0.04em; color: var(--kx-ink); border-top: 1px dashed var(--kx-hair); padding-top: 0.6rem; }

/* compare */
.kx-compare { max-width: 76rem; margin: clamp(2.5rem, 5vw, 4rem) auto 0; border: 1px solid var(--kx-hair); }
.kx-compare__row { display: grid; grid-template-columns: 1fr 1fr; }
.kx-compare__row > span { padding: 1.1rem 1.4rem; line-height: 1.45; border-bottom: 1px solid var(--kx-hair); }
.kx-compare__row > span:first-child { color: var(--kx-muted); border-right: 1px solid var(--kx-hair); }
.kx-compare__row > span:last-child { position: relative; padding-left: 2.4rem; }
.kx-compare__row > span:last-child::before { content: ""; position: absolute; left: 1.4rem; top: 1.55rem; width: 0.55rem; height: 0.55rem; background: var(--kx-accent); }
.kx-compare__row:last-child > span { border-bottom: 0; }
.kx-compare__row--head > span { font-family: var(--kx-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--kx-muted); background: var(--kx-panel); }
.kx-compare__row--head > span:last-child { color: var(--kx-accent); padding-left: 1.4rem; }
.kx-compare__row--head > span:last-child::before { display: none; }

/* why */
.kx-mod--orange { background: var(--kx-accent); color: #0A0A0B; }
.kx-mod--orange .kx-mod__meta { color: #0A0A0B; border-color: rgba(10, 10, 11, 0.35); }
.kx-why { list-style: none; margin: clamp(2rem, 4vw, 3rem) auto 0; padding: 0; max-width: 76rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
.kx-why li { border-top: 2px solid #0A0A0B; padding-top: 1rem; }
.kx-why__num { font-family: var(--kx-mono); font-size: 2rem; line-height: 1; }
.kx-why p { margin: 0.75rem 0 0; font-size: 1.1rem; line-height: 1.45; font-weight: 500; max-width: 30ch; }

/* contact */
.kx-contact { max-width: 76rem; margin: clamp(2rem, 4vw, 3rem) auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.kx-contact__note { margin: 0; color: var(--kx-muted); font-size: 1.1rem; line-height: 1.5; max-width: 40ch; }
.kx-contact__action { display: grid; gap: 1rem; justify-items: start; }
.kx-contact__hint { margin: 0; font-family: var(--kx-mono); font-size: 0.8rem; color: var(--kx-muted); }
.kx-contact__hint a { color: var(--kx-ink); border-bottom: 1px solid var(--kx-accent); }
.kx-stamp { display: inline-block; padding: 0 0 6px 0; }
.kx-stamp__face { display: inline-flex; align-items: center; gap: 1rem; padding: 1.1rem 1.6rem; background: var(--kx-accent); color: #0A0A0B; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; box-shadow: 0 6px 0 #B9430A; transition: transform 0.12s ease, box-shadow 0.12s ease; }
.kx-stamp:hover .kx-stamp__face { transform: translateY(2px); box-shadow: 0 4px 0 #B9430A; animation: none; }
.kx-stamp:active .kx-stamp__face { transform: translateY(6px) skewX(-1deg); box-shadow: 0 0 0 #B9430A; animation: none; }

/* footer */
.kx-footer { padding: 2rem var(--kx-gutter) 1.5rem; }
.kx-footer__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--kx-hair); color: var(--kx-muted); }
.kx-footer__row a:last-child { font-family: var(--kx-mono); font-size: 0.8rem; color: var(--kx-ink); }
.kx-footer__legal { margin: 1rem 0 0; font-family: var(--kx-mono); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--kx-muted); }

/* motion layer (active once JS adds .kx-motion) */
.kx-boot { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; background: #0A0A0B; transition: transform 0.7s cubic-bezier(0.7, 0, 0.2, 1); }
.kx-boot[data-phase="off"] { transform: translateY(-100%); }
.kx-boot__panel { font-family: var(--kx-mono); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--kx-muted); display: grid; gap: 0.5rem; min-width: min(22rem, 80vw); }
.kx-boot__panel p { margin: 0; overflow: hidden; clip-path: inset(0 100% 0 0); animation: kx-type 0.5s steps(24) forwards; }
.kx-boot__panel p span { color: var(--kx-accent); margin-right: 0.6rem; }
.kx-boot__panel p:last-of-type { color: var(--kx-ink); }
.kx-boot__bar { display: block; height: 2px; margin-top: 0.75rem; background: var(--kx-accent); transform: scaleX(0); transform-origin: left; animation: kx-bar 1.3s 0.1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }
@keyframes kx-type { to { clip-path: inset(0 0 0 0); } }
@keyframes kx-bar { to { transform: scaleX(1); } }
.kx-word { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.06em; margin-bottom: -0.06em; margin-right: 0.22em; white-space: pre; }
.kx-word > span { display: inline-block; transform: translateY(0); transition: transform 0.9s cubic-bezier(0.2, 0.9, 0.2, 1); }
.kx-motion .kx-hero__title:not(.is-live) .kx-word > span { transform: translateY(112%); }
.kx-motion .kx-hero__copy { transform: translateY(calc(var(--hero-shift) * 0.35)); will-change: transform; }
.kx-motion .kx-hero__schema { transform: translateY(calc(var(--hero-shift) * -0.25)); }
.kx-motion .kx-hero__schema::before { animation: kx-sweep 9s linear infinite; }
@keyframes kx-sweep { to { transform: rotate(360deg); } }
.kx-motion .kx-schema__nodes .kx-schema__core { animation: kx-core 2.6s ease-in-out infinite; }
@keyframes kx-core { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.035); } }
.kx-motion [data-reveal]:not(.is-in) .kx-schema__nodes rect:not(.kx-schema__core) { transform: scale(0.6); }
.kx-motion [data-reveal] { transition: transform 0.9s cubic-bezier(0.2, 0.9, 0.2, 1), clip-path 0.9s cubic-bezier(0.2, 0.9, 0.2, 1); }
.kx-motion [data-reveal]:not(.is-in) { transform: translateY(40px); clip-path: inset(0 0 100% 0); }
.kx-motion [data-reveal].is-in { transform: none; clip-path: inset(0 0 0 0); }
.kx-motion .kx-compare__row[data-reveal]:not(.is-in) { transform: translateX(-32px); clip-path: inset(0 100% 0 0); }
.kx-motion .kx-compare__row[data-reveal]:nth-child(even):not(.is-in) { transform: translateX(32px); clip-path: inset(0 0 0 100%); }
.kx-motion .kx-grid .kx-card:nth-child(2) { transition-delay: 0.08s; }
.kx-motion .kx-grid .kx-card:nth-child(3) { transition-delay: 0.16s; }
.kx-motion .kx-grid .kx-card:nth-child(4) { transition-delay: 0.24s; }
.kx-motion .kx-steps .kx-step:nth-child(2) { transition-delay: 0.1s; }
.kx-motion .kx-steps .kx-step:nth-child(3) { transition-delay: 0.2s; }
.kx-motion .kx-steps .kx-step:nth-child(4) { transition-delay: 0.3s; }
.kx-motion .kx-why li:nth-child(2) { transition-delay: 0.1s; }
.kx-motion .kx-why li:nth-child(3) { transition-delay: 0.2s; }
.kx-motion .kx-steps::after { transition: transform 0.2s linear; }
.kx-motion .kx-card { transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.2, 1), clip-path 0.9s cubic-bezier(0.2, 0.9, 0.2, 1), background 0.3s ease; }
.kx-motion .kx-card.is-in { transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); }
.kx-cursor { position: fixed; z-index: 70; top: 0; left: 0; transform: translate(-200px, -200px); width: 28px; height: 28px; border: 1.5px solid var(--kx-accent); border-radius: 50%; pointer-events: none; mix-blend-mode: difference; transition: width 0.25s ease, height 0.25s ease, background 0.25s ease; }
.kx-cursor.is-link { width: 48px; height: 48px; background: rgba(255, 106, 26, 0.18); }
.kx-motion .kx-stamp__face { animation: kx-breathe 3s ease-in-out infinite; }
@keyframes kx-breathe { 0%, 100% { box-shadow: 0 6px 0 #B9430A, 0 0 0 rgba(255, 106, 26, 0); } 50% { box-shadow: 0 6px 0 #B9430A, 0 0 28px rgba(255, 106, 26, 0.35); } }

/* responsive */
@media (max-width: 900px) {
  .kx { --kx-cell: 32px; background-attachment: scroll; }
  .kx-nav { height: 3.5rem; gap: 0.75rem; }
  .kx-nav__links { display: none; }
  .kx-hero { grid-template-columns: 1fr; min-height: 0; padding-top: 3rem; }
  .kx-hero__specs { grid-template-columns: 1fr; gap: 0.9rem; }
  .kx-schema__svg--wide { display: none; }
  .kx-schema__svg--tall { display: block; max-width: 24rem; margin: 0 auto; }
  .kx-grid { grid-template-columns: 1fr; }
  .kx-card { padding: 1.5rem; }
  .kx-steps { grid-template-columns: 1fr; gap: 0; padding: 0 0 0 1.5rem; }
  .kx-steps::before { top: 0; bottom: 0; left: 0; right: auto; width: 1px; height: auto; }
  .kx-steps::after { top: 0; left: 0; width: 3px; height: 100%; transform: scaleY(var(--signal)); transform-origin: top; }
  .kx-step { padding: 1.4rem 0; }
  .kx-step__node { top: 1.7rem; left: calc(-1.5rem - 6px); }
  .kx-compare__row > span { padding: 0.9rem 1rem; font-size: 0.95rem; }
  .kx-compare__row > span:last-child { padding-left: 2rem; }
  .kx-compare__row > span:last-child::before { left: 1rem; top: 1.3rem; }
  .kx-why { grid-template-columns: 1fr; }
  .kx-contact { grid-template-columns: 1fr; }
  .kx-motion .kx-hero__copy, .kx-motion .kx-hero__schema { transform: none; }
  .kx-cursor { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .kx *, .kx *::before, .kx *::after { transition: none !important; animation: none !important; }
  .kx-schema__wires path { stroke-dashoffset: 0; }
  .kx-word > span { transform: none !important; }
  .kx-hero__schema::before, .kx-schema__signals { display: none; }
}