/* J-L Partnership: site styles. B2 Monolith type, A2 Instrument labels. */

@font-face { font-family: 'Space Grotesk'; font-weight: 400; font-style: normal; font-display: swap; src: url(../fonts/space-grotesk-400.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-weight: 500; font-style: normal; font-display: swap; src: url(../fonts/space-grotesk-500.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-weight: 700; font-style: normal; font-display: swap; src: url(../fonts/space-grotesk-700.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-style: normal; font-display: swap; src: url(../fonts/ibm-plex-mono-400.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 500; font-style: normal; font-display: swap; src: url(../fonts/ibm-plex-mono-500.woff2) format('woff2'); }

:root {
  --bg: #0A0A0A;
  --fg: #EDEEF0;
  --fg2: #8A93A0;
  --rule: #232427;
  --blue: #00B8FF;
  --gut: clamp(20px, 4.4vw, 64px);
  --nav-h: 72px;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --expo: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; scroll-padding-top: var(--nav-h); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 1.0625rem/1.55 var(--sans);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ol, ul { margin: 0; padding: 0; }
ol, ul { list-style: none; }
a { color: inherit; }
::selection { background: var(--blue); color: var(--bg); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; border-radius: 1px; }

.skip {
  position: fixed; left: var(--gut); top: 12px; z-index: 100;
  padding: 10px 14px; background: var(--fg); color: var(--bg);
  font: 500 0.8125rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.15em; text-decoration: none;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

.wrap { width: 100%; max-width: 1600px; margin: 0 auto; padding: 0 var(--gut); }

/* ---- type -------------------------------------------------------------- */
.display { font-family: var(--sans); font-weight: 700; letter-spacing: -0.045em; line-height: 0.95; }
.accent { color: var(--blue); }
.label {
  font: 400 0.75rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: 0.15em; color: var(--fg2);
}
.num { color: var(--blue); font-family: var(--mono); font-feature-settings: 'zero' 0; }
.sep { padding: 0 0.6em; }
.nowrap { white-space: nowrap; }

/* line masks: each headline line slides up inside its own clip */
.line { display: block; overflow: hidden; padding: 0.02em 0.08em 0.14em 0; margin-bottom: -0.12em; }
.line > span { display: inline-block; vertical-align: top; will-change: transform; }

/* ---- field ------------------------------------------------------------- */
.field { position: fixed; inset: 0; width: 100%; height: 100%; height: 100lvh; z-index: 0; display: block; pointer-events: none; }
.js .field { opacity: 0; transition: opacity 1.4s ease 0.15s; }
.js.field-on .field { opacity: 1; }
.poster { display: none; }
.field-off .poster, .no-js .poster {
  display: block; position: absolute; inset: 0 0 auto 0; height: 100vh; z-index: 0;
  background: url(../img/poster-hero.webp) center / cover no-repeat;
}
@media (max-aspect-ratio: 4/5) { .field-off .poster, .no-js .poster { background-image: url(../img/poster-hero-portrait.webp); } }
main, .footer { position: relative; z-index: 1; }

/* ---- nav --------------------------------------------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 var(--gut);
  border-bottom: 1px solid transparent;
  transition: background-color .4s ease, border-color .4s ease;
}
.nav.is-stuck, .menu-open .nav { background: rgba(10, 10, 10, 0.94); border-bottom-color: var(--rule); }
.lockup {
  display: inline-flex; align-items: center; gap: 12px; text-decoration: none;
  font: 700 1.0625rem/1 var(--sans); letter-spacing: -0.02em; white-space: nowrap;
}
.mark { width: 28px; height: 28px; display: block; flex: none; overflow: visible; }
.intro-run .nav .mark { opacity: 0; }
.nav__links { display: flex; gap: clamp(20px, 2.6vw, 40px); }
.nav__links a {
  text-decoration: none; padding: 8px 0; color: var(--fg2); transition: color .25s ease;
}
.nav__links a .num { color: inherit; margin-right: 0.55em; transition: color .25s ease; }
.nav__links a:hover, .nav__links a[aria-current] { color: var(--fg); }
.nav__links a[aria-current] .num { color: var(--blue); }
.nav__toggle {
  display: none; background: none; border: 0; color: var(--fg); padding: 10px 0; cursor: pointer;
  align-items: center; gap: 10px;
}
.nav__toggle-bars { width: 18px; height: 9px; position: relative; }
.nav__toggle-bars::before, .nav__toggle-bars::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; transition: transform .3s var(--expo);
}
.nav__toggle-bars::before { top: 0; }
.nav__toggle-bars::after { bottom: 0; }
.menu-open .nav__toggle-bars::before { transform: translateY(3.75px) rotate(45deg); }
.menu-open .nav__toggle-bars::after { transform: translateY(-3.75px) rotate(-45deg); }

.nav-panel {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 19; background: var(--bg);
  padding: 8vh var(--gut) 40px; display: flex; flex-direction: column; justify-content: space-between;
}
.nav-panel[hidden] { display: none; }
.nav-panel ol li { border-top: 1px solid var(--rule); }
.nav-panel ol li:last-child { border-bottom: 1px solid var(--rule); }
.nav-panel a.big {
  display: flex; align-items: baseline; gap: 16px; padding: 18px 0; text-decoration: none;
  font: 700 clamp(2.4rem, 11vw, 3.6rem)/1 var(--sans); letter-spacing: -0.045em;
}
.nav-panel a.big .num { font: 400 0.75rem/1 var(--mono); letter-spacing: 0.15em; }
.menu-open, .menu-open body { overflow: hidden; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
}

/* intro mark: assembles at hero scale, then flies to the nav */
.intro-mark {
  position: fixed; z-index: 30; pointer-events: none;
  width: min(34vh, 30vw); height: min(34vh, 30vw);
  left: calc(50% - min(17vh, 15vw)); top: calc(50% - min(17vh, 15vw));
  transform-origin: 0 0; opacity: 0;
}
.intro-mark svg { width: 100%; height: 100%; display: block; overflow: visible; }
.intro-mark .arm-w { transform-box: view-box; transform-origin: 0 100px; }
.intro-mark .arm-b { transform-box: view-box; transform-origin: 100px 0; }
.no-js .intro-mark, .intro-done .intro-mark { display: none; }

/* ---- hero -------------------------------------------------------------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: grid; grid-template-rows: 1fr auto;
  padding-top: var(--nav-h);
}
.hero__inner { align-self: center; padding-top: clamp(24px, 6vh, 80px); padding-bottom: clamp(32px, 6vh, 72px); }
.hero__label { margin-bottom: clamp(20px, 3.6vh, 40px); }
.hero { --hs: clamp(3.5rem, 13.4vw, 15.5rem); }
.hero__title { font-size: var(--hs); margin-left: -0.055em; }
.hero__lockup { position: relative; }
.hero__sub {
  margin-top: clamp(28px, 4.6vh, 56px); max-width: 36ch;
  font-size: clamp(1.0625rem, 1.32vw, 1.375rem); line-height: 1.45; color: var(--fg2);
}
.hero__strip { position: relative; }
.hero__strip-in {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px 0 22px;
}
.hero__strip-in::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--rule);
  transform-origin: left;
}
.hero__strip ul { display: flex; flex-wrap: wrap; gap: 8px clamp(18px, 2.4vw, 36px); }
.scrollcue { display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; }
.scrollcue i { width: 1px; height: 28px; background: var(--rule); position: relative; overflow: hidden; }
.scrollcue i::after { content: ''; position: absolute; inset: 0; background: var(--fg); transform-origin: top; animation: cue 2.4s var(--expo) infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* hero entrance (load-time; everything after this is scroll-driven) */
.js .hero .line > span { transform: translate3d(0, 112%, 0); }
.js .hero__label, .js .hero__sub, .js .hero__strip ul, .js .scrollcue { opacity: 0; transform: translate3d(0, 14px, 0); }
.js .hero__strip-in::before { transform: scaleX(0); }
.intro-go .hero .line > span { transform: none; transition: transform 1.1s var(--expo); transition-delay: calc(var(--i, 0) * 110ms); }
.intro-go .hero__label, .intro-go .hero__sub, .intro-go .hero__strip ul, .intro-go .scrollcue {
  opacity: 1; transform: none; transition: opacity .9s ease, transform 1s var(--expo);
}
.intro-go .hero__label { transition-delay: 0ms; }
.intro-go .hero__sub { transition-delay: 380ms; }
.intro-go .hero__strip ul { transition-delay: 560ms; }
.intro-go .scrollcue { transition-delay: 680ms; }
.intro-go .hero__strip-in::before { transform: none; transition: transform 1.4s var(--expo) 320ms; }

@media (min-width: 1000px) {
  /* the subline sits in the open space beside the short last line */
  .hero__sub { position: absolute; left: calc(var(--hs) * 2.62); bottom: calc(var(--hs) * 0.16); margin: 0; max-width: 34ch; }
}

/* ---- sections ---------------------------------------------------------- */
.section { position: relative; padding: clamp(110px, 20vh, 220px) 0 clamp(80px, 12vh, 140px); }
.sec-head { display: flex; align-items: center; gap: 20px; }
.sec-head .label { white-space: nowrap; }
.sec-head .rule { flex: 1; height: 1px; background: var(--rule); transform-origin: left; transform: scaleX(var(--p, 1)); }
.js .sec-head .label { opacity: calc(var(--p, 1) * 2); }
.h2 { font-size: clamp(2.6rem, 6.8vw, 7.75rem); margin: clamp(28px, 5vh, 56px) 0 clamp(56px, 10vh, 120px); margin-left: -0.05em; }

/* scrubbed line reveals */
[data-scrub] .line > span {
  --lp: clamp(0, calc(var(--p, 1) * 1.7 - var(--i, 0) * 0.32), 1);
  transform: translate3d(0, calc((1 - var(--lp)) * 112%), 0);
}

/* ---- services rows ----------------------------------------------------- */
.rows { border-bottom: 1px solid var(--rule); }
.row {
  --f: 1;
  position: relative;
  display: grid; grid-template-columns: 6.5rem minmax(0, 5fr) minmax(0, 6fr) minmax(0, 2.6fr);
  gap: 0 clamp(20px, 3vw, 52px); align-items: start;
  padding: clamp(30px, 5vh, 52px) 0 clamp(34px, 5.4vh, 58px);
}
.row__rule { position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--rule); transform-origin: left; transform: scaleX(var(--p, 1)); }
.row__rule::after {
  content: ''; position: absolute; left: 0; top: 0; height: 1px; width: 6.5rem; background: var(--blue);
  transform-origin: left; transform: scaleX(var(--f, 1));
}
.row__num { font: 400 0.8125rem/1 var(--mono); letter-spacing: 0.15em; padding-top: 0.55em; color: var(--blue); }
.row__title {
  font: 700 clamp(1.75rem, 2.75vw, 2.75rem)/1.0 var(--sans); letter-spacing: -0.035em;
  color: var(--fg); color: color-mix(in srgb, var(--fg) calc(var(--f, 1) * 100%), var(--fg2));
}
.row__body { color: var(--fg2); max-width: 46ch; padding-top: 0.2em; }
.row__tags { display: flex; flex-direction: column; gap: 8px; padding-top: 0.45em; font-size: 0.6875rem; }
.row > :not(.row__rule) {
  opacity: clamp(0, calc(var(--p, 1) * 2.2 - 0.4), 1);
  transform: translate3d(0, calc((1 - var(--p, 1)) * 28px), 0);
}

@media (max-width: 1080px) {
  .row { grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.2fr); }
  .row__rule::after { width: 4.5rem; }
  .row__tags { grid-column: 3; flex-direction: row; flex-wrap: wrap; gap: 6px 18px; padding-top: 18px; }
}
@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .row { grid-template-columns: 2.75rem minmax(0, 1fr); }
  .row__rule::after { width: 2.75rem; }
  .row__num { padding-top: 0.5em; }
  .row__body, .row__tags { grid-column: 2; }
  .row__body { padding-top: 14px; }
  .hero { --hs: 14.4vw; }
  .label { font-size: 0.6875rem; letter-spacing: 0.12em; }
  .hero__strip ul { display: none; }
  .hero__strip-in { justify-content: flex-end; }
}

/* ---- shared scrubbed fades -------------------------------------------- */
.about__body, .approach__intro, .contact__body, .details, .approach__note {
  opacity: clamp(0, calc(var(--p, 1) * 2 - 0.3), 1);
  transform: translate3d(0, calc((1 - var(--p, 1)) * 24px), 0);
}

/* ---- about ------------------------------------------------------------- */
.about__grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px clamp(32px, 5vw, 96px); align-items: end;
  margin: clamp(28px, 5vh, 56px) 0 clamp(72px, 12vh, 140px);
}
.about__title { margin: 0 0 0 -0.05em; }
.about__body p { color: var(--fg2); max-width: 44ch; }
.about__body .lede { color: var(--fg); font-size: clamp(1.25rem, 1.55vw, 1.5rem); line-height: 1.4; margin-bottom: 1.1em; max-width: 34ch; }
.points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px clamp(24px, 3vw, 52px); }
.point { position: relative; padding-top: 22px; }
.point__rule { position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--rule); transform-origin: left; transform: scaleX(var(--p, 1)); }
.point__k { color: var(--fg); margin-bottom: 12px; }
.point__v { color: var(--fg2); max-width: 34ch; }
.point > :not(.point__rule) { opacity: clamp(0, calc(var(--p, 1) * 2.2 - 0.4), 1); transform: translate3d(0, calc((1 - var(--p, 1)) * 20px), 0); }
.points--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 48px; }
.points--grid .point__k { margin-bottom: 10px; }

/* ---- approach ---------------------------------------------------------- */
.approach__head {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 28px clamp(32px, 5vw, 96px); align-items: end;
  margin: clamp(28px, 5vh, 56px) 0 clamp(64px, 11vh, 128px);
}
.approach__head .h2 { margin: 0 0 0 -0.05em; }
.approach__intro { color: var(--fg2); font-size: clamp(1.125rem, 1.4vw, 1.375rem); line-height: 1.45; max-width: 32ch; }
.steps { position: relative; }
.steps ol { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 clamp(20px, 2.4vw, 44px); }
.steps__track { position: absolute; left: 0; right: 0; top: 3px; height: 1px; background: var(--rule); }
.steps__track span { position: absolute; inset: 0; background: var(--fg); transform-origin: left; transform: scaleX(var(--p, 1)); }
.step { --on: clamp(0, calc((var(--p, 1) * 6 - var(--i) - 0.6) * 1.6), 1); position: relative; padding-top: 36px; }
.step__node {
  position: absolute; left: 0; top: 0; width: 7px; height: 7px;
  background: var(--bg); border: 1px solid var(--fg2);
  background: color-mix(in srgb, var(--blue) calc(var(--on) * 100%), var(--bg));
  border-color: color-mix(in srgb, var(--blue) calc(var(--on) * 100%), var(--fg2));
}
.step__num { display: block; font: 400 0.8125rem/1 var(--mono); letter-spacing: 0.15em; margin-bottom: 20px; color: var(--blue); color: color-mix(in srgb, var(--blue) calc(var(--on) * 100%), var(--fg2)); }
.step__title { font: 700 clamp(1.5rem, 2.1vw, 2.125rem)/1 var(--sans); letter-spacing: -0.035em; margin-bottom: 16px; }
.step__body { color: var(--fg2); font-size: 1rem; line-height: 1.55; max-width: 34ch; }
.step__title, .step__body { opacity: calc(0.22 + var(--on) * 0.78); transform: translate3d(0, calc((1 - var(--on)) * 18px), 0); }
.approach__note { display: flex; align-items: center; gap: 18px; margin-top: clamp(64px, 10vh, 112px); }
.approach__note-rule { width: 48px; height: 1px; background: var(--blue); flex: none; }

@media (max-width: 1100px) {
  .steps { padding-left: 34px; }
  .steps ol { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .steps__track { top: 4px; bottom: 0; left: 3px; right: auto; width: 1px; height: auto; }
  .steps__track span { transform-origin: top; transform: scaleY(var(--p, 1)); }
  .step { padding-top: 0; }
  .step__node { left: -34px; top: 1px; }
  .step__body { max-width: 52ch; }
}

/* ---- contact + supercrop ---------------------------------------------- */
.contact {
  --A: min(118vh, 92vw);
  overflow: hidden;
  padding-top: calc(clamp(40px, 6vh, 80px) + var(--A) * 0.2 + clamp(72px, 11vh, 132px));
}
.supercrop {
  position: absolute; z-index: 0; pointer-events: none;
  top: clamp(40px, 6vh, 80px); right: calc(var(--A) * -0.06);
  width: calc(var(--A) * 0.7); height: var(--A);
  transform-origin: 100% 0;
  transform: translate3d(calc((1 - var(--p, 1)) * 42%), calc((1 - var(--p, 1)) * -26%), 0) rotate(calc((1 - var(--p, 1)) * 16deg));
  will-change: transform;
}
.supercrop svg { display: block; width: 100%; height: 100%; }
.contact__inner { position: relative; z-index: 1; padding-right: calc(var(--A) * 0.14 + var(--gut) + 48px); }
.contact__title { margin-bottom: clamp(28px, 5vh, 56px); }
.contact__body { color: var(--fg2); font-size: clamp(1.125rem, 1.4vw, 1.375rem); line-height: 1.45; max-width: 40ch; }
.contact__mail {
  display: inline-flex; flex-wrap: wrap; margin-top: clamp(36px, 6vh, 64px);
  font: 700 clamp(1.75rem, 4.3vw, 4.75rem)/1.02 var(--sans); letter-spacing: -0.04em;
  text-decoration: none; color: var(--fg);
  background: linear-gradient(var(--blue), var(--blue)) 0 100% / 0 2px no-repeat;
  padding-bottom: 0.08em;
  transition: color .3s ease, background-size .5s var(--expo);
}
.contact__mail:hover { color: var(--blue); background-size: 100% 2px; }
.details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; margin-top: clamp(48px, 8vh, 88px); }
.details > div { border-top: 1px solid var(--rule); padding-top: 14px; }
.details dt { margin-bottom: 8px; }
.details dd { margin: 0; font-size: 1rem; line-height: 1.45; }
.details a { text-decoration: none; }
.details a:hover { color: var(--blue); }

/* ---- footer ------------------------------------------------------------ */
.footer { background: var(--bg); border-top: 1px solid var(--rule); padding: 36px 0 44px; }
.footer__top { display: flex; align-items: center; justify-content: space-between; gap: 18px 32px; flex-wrap: wrap; padding-bottom: 26px; margin-bottom: 22px; border-bottom: 1px solid var(--rule); }
.footer__toplink { text-decoration: none; }
.footer__toplink:hover { color: var(--fg); }
.footer__legal { display: flex; flex-wrap: wrap; row-gap: 6px; }
.footer__legal span + span::before { content: '\00B7'; padding: 0 0.8em; }
.footer__copy { margin-top: 10px; }

/* ---- poster capture ---------------------------------------------------- */
.poster-mode .nav, .poster-mode main, .poster-mode .footer, .poster-mode .intro-mark, .poster-mode .skip { visibility: hidden; }

@media (max-width: 1100px) {
  .points--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .about__grid, .approach__head { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .points, .points--grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 720px) {
  .contact { --A: 92vw; padding-top: calc(24px + var(--A) * 0.56 + 40px); }
  /* phone: a cropped corner band rather than a full-height stroke */
  .supercrop { top: 24px; right: calc(var(--A) * -0.12); height: calc(var(--A) * 0.56); overflow: hidden; }
  .supercrop svg { height: var(--A); }
  .contact__inner { padding-right: var(--gut); }
  .contact__mail { font-size: clamp(1.5rem, 7.6vw, 2.25rem); }
  .details { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .footer__legal { flex-direction: column; }
  .footer__legal span + span::before { content: none; }
}

/* ---- reduced motion: static frames, everything shown ------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .hero .line > span, [data-scrub] .line > span { transform: none !important; }
  .js .hero__label, .js .hero__sub, .js .hero__strip ul, .js .scrollcue, .row > :not(.row__rule), .js .sec-head .label,
  .about__body, .approach__intro, .contact__body, .details, .approach__note, .point > :not(.point__rule), .step__title, .step__body, .supercrop { opacity: 1 !important; transform: none !important; }
  .js .hero__strip-in::before, .sec-head .rule, .row__rule { transform: none !important; }
  .js .field { opacity: 1; }
}