:root {
  --paper: #ECE8DF;
  --ink: #0F100E;
  --signal: #FF4B1F;
  --display: "Big Shoulders Display", Impact, "Arial Narrow", sans-serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --gut: clamp(16px, 3vw, 44px);
  --bar: 56px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, ol { margin: 0; padding: 0; }
ol { list-style: none; }
a { color: inherit; }
::selection { background: var(--signal); color: var(--ink); }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 900;
  text-transform: uppercase;
  line-height: .88;
  letter-spacing: -.005em;
}

.tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- top bar ---------- */

.bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--bar);
  padding: 0 var(--gut);
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  transition: color .25s, background-color .25s;
}
.bar[data-tone="ink"] { color: var(--paper); background: var(--ink); }
.bar[data-tone="signal"] { background: var(--signal); }
.bar a { text-decoration: none; }
.bar__mark { font-weight: 500; margin-right: auto; }
.bar__mark span { opacity: .55; }
.bar__nav { display: flex; gap: 22px; }
.bar__nav a { position: relative; padding: 6px 0; }
.bar__nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s cubic-bezier(.7, 0, .2, 1);
}
.bar__nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.bar__read { min-width: 9ch; text-align: right; font-variant-numeric: tabular-nums; }
.bar__read i { font-style: normal; }

/* ---------- 00 hero ---------- */

.hero {
  --p: 0;
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero__say {
  flex: 1;
  padding: calc(var(--bar) + 6vh) var(--gut) 6vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(16px, 2.4vh, 28px);
}
.hero__say h1 { font-size: clamp(52px, 10.5vw, 180px); }
.hero__say h1 em { font-style: normal; color: var(--signal); }

/* each line sits in a mask and rises into it; on scroll the lines slide apart */
.line { display: block; overflow: hidden; padding-top: .06em; will-change: transform; }
.line > span { display: block; }
.line--a { transform: translate3d(calc(var(--p) * -5vw), 0, 0); }
.line--b { transform: translate3d(calc(var(--p) * 7vw), 0, 0); }
.line--c { transform: translate3d(calc(var(--p) * -2vw), 0, 0); }

.js .line > span { transform: translateY(105%); animation: rise .9s cubic-bezier(.2, .8, .2, 1) forwards; }
.js .line--b > span { animation-delay: .09s; }
.js .line--c > span { animation-delay: .18s; }
.js .hero__fade { opacity: 0; animation: fade .7s .5s ease-out forwards; }
@keyframes rise { to { transform: none; } }
@keyframes fade { to { opacity: 1; } }
.hero__lede { max-width: 44ch; font-size: clamp(17px, 1.5vw, 23px); }
.hero__links { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--signal);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--signal); }
.btn:active { transform: translate(6px, 6px); box-shadow: 0 0 0 var(--signal); }
.lnk { font-family: var(--mono); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; text-underline-offset: 5px; }

.hero__meta {
  display: flex;
  justify-content: space-between;
  padding: 0 var(--gut) calc(9vw + 18px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  opacity: calc(1 - var(--p) * 3);
}

/* ---------- 01 work ---------- */

.work {
  --slant: 9vw;
  position: relative;
  z-index: 5;
  margin-top: -9vw;
  padding: calc(9vw + 12vh) var(--gut) 14vh;
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 var(--slant), 100% 0, 100% 100%, 0 100%);
}

.sec-head { display: grid; gap: 22px; margin-bottom: 9vh; }
.sec-head h2, .contact h2 { font-size: clamp(52px, 10.5vw, 190px); }

.rows { border-top: 1px solid rgba(236, 232, 223, .28); }
.row {
  position: relative;
  display: grid;
  grid-template-columns: 5ch minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 0 clamp(16px, 3vw, 48px);
  align-items: center;
  padding: clamp(20px, 3.4vh, 40px) 0;
  border-bottom: 1px solid rgba(236, 232, 223, .28);
  isolation: isolate;
  transition: color .25s;
}
.row::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--gut) * -1);
  z-index: -1;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .35s cubic-bezier(.7, 0, .2, 1);
}
.row__n { font-family: var(--mono); font-size: 13px; color: var(--signal); transition: color .25s; }
.row__t { font-size: clamp(36px, 5.6vw, 96px); transition: transform .35s cubic-bezier(.7, 0, .2, 1); }
.row__d { max-width: 46ch; color: rgba(236, 232, 223, .78); transition: color .25s; }

@media (hover: hover) {
  .row:hover { color: var(--ink); }
  .row:hover::before { transform: scaleY(1); transform-origin: top; }
  .row:hover .row__n, .row:hover .row__d { color: var(--ink); }
  .row:hover .row__t { transform: translateX(1.5vw); }
}

/* rows slide in once */
.js .row { opacity: 0; transform: translateY(28px); transition: opacity .6s, transform .6s cubic-bezier(.2, .7, .2, 1), color .25s; }
.js .row.in { opacity: 1; transform: none; }

/* ---------- 02 method ---------- */

.method { position: relative; background: var(--paper); }
.method__head {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 var(--gut);
}
.method__bar { flex: 1; height: 1px; background: rgba(15, 16, 14, .2); position: relative; }
.method__bar i { position: absolute; inset: -1px auto -1px 0; width: 100%; background: var(--signal); transform: scaleX(var(--m, 0)); transform-origin: left; }

.method__track { display: flex; align-items: stretch; will-change: transform; }

.step {
  flex: none;
  width: min(78vw, 560px);
  padding: clamp(24px, 3vw, 44px);
  border-left: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
  position: relative;
}
.step--intro { width: min(90vw, 760px); border-left: 0; justify-content: center; padding-left: var(--gut); }
.step--intro h2 { font-size: clamp(52px, 8.5vw, 150px); }
.step__n {
  position: absolute;
  top: 0;
  left: clamp(20px, 2.6vw, 40px);
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(170px, 30vh, 340px);
  line-height: .8;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}
.step:nth-child(odd) .step__n { color: var(--signal); -webkit-text-stroke: 0; }
.step h3 { font-size: clamp(40px, 4.6vw, 76px); }
.step p { max-width: 34ch; }

/* pinned sideways scroll on wide screens with JS */
@media (min-width: 800px) {
  .js .method { height: 340vh; }
  .js .method__pin {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: calc(var(--bar) + 3vh) 0 5vh;
    gap: 4vh;
  }
  .js .method__track { flex: 1; min-height: 0; }
  .js .step:last-child { margin-right: var(--gut); border-right: 1px solid var(--ink); }
}

/* stacked fallback */
@media (max-width: 799.98px) {
  .method__pin { padding: 14vh 0 10vh; }
  .method__head { margin-bottom: 6vh; }
  .method__bar { display: none; }
  .method__track { flex-direction: column; }
  .step, .step--intro { width: auto; border-left: 0; border-top: 1px solid var(--ink); padding: 28px var(--gut) 40px; }
  .step--intro { border-top: 0; padding-bottom: 6vh; }
  .step__n { position: static; font-size: 130px; }
}

/* ---------- 03 stance ---------- */

.stance {
  background: var(--signal);
  color: var(--ink);
  padding: 20vh var(--gut) 22vh;
  display: grid;
  gap: 5vh;
}
.stance__text {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(34px, 6.2vw, 112px);
  line-height: .98;
  max-width: 20ch;
}
.stance__text .w { opacity: .18; transition: opacity .25s; }
.stance__text .w.on { opacity: 1; }

/* ---------- 04 contact ---------- */

.contact {
  background: var(--ink);
  color: var(--paper);
  padding: 18vh var(--gut) 0;
  display: grid;
  gap: 4vh;
}
.contact__mail {
  justify-self: start;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 6.4vw, 116px);
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--signal);
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 3px no-repeat;
  padding-bottom: .08em;
  transition: background-size .35s cubic-bezier(.7, 0, .2, 1), color .2s;
  overflow-wrap: anywhere;
}
.contact__mail span { display: inline-block; margin-left: .15em; transition: transform .3s; }
.contact__mail:hover { color: var(--paper); background-size: 0 3px; background-position: 100% 100%; }
.contact__mail:hover span { transform: translate(.12em, -.12em); }
.contact__note { max-width: 44ch; color: rgba(236, 232, 223, .78); }

.foot {
  margin-top: 12vh;
  padding: 22px 0;
  border-top: 1px solid rgba(236, 232, 223, .28);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(236, 232, 223, .7);
}

/* ---------- small screens ---------- */

@media (max-width: 640px) {
  .bar__read { display: none; }
  .bar__nav { gap: 16px; }
  .row { grid-template-columns: 4ch 1fr; }
  .row__d { grid-column: 2; margin-top: 10px; }
}

/* ---------- focus + motion ---------- */

a:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .line > span { transform: none; animation: none; }
  .js .hero__fade { opacity: 1; animation: none; }
  .work { clip-path: none; margin-top: 0; padding-top: 14vh; }
  .js .row { opacity: 1; transform: none; }
  .stance__text .w { opacity: 1; }
}