/* ---------- Fonts ---------- */

@font-face {
  font-family: "Geist";
  src: url("fonts/geist.woff2") format("woff2");
  font-weight: 360 600;
  font-display: swap;
}
@font-face {
  font-family: "Lalezar Name";
  src: url("fonts/lalezar-name.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "Kufi Labels";
  src: url("fonts/kufi-labels.woff2") format("woff2");
  font-display: swap;
}
/* Arial, scaled to Geist's width and vertical metrics, so the swap doesn't move anything. */
@font-face {
  font-family: "Geist Fallback";
  src: local("Arial"), local("ArialMT"), local("Helvetica");
  size-adjust: 103.1%;
  ascent-override: 97.4%;
  descent-override: 28.6%;
  line-gap-override: 0%;
}

/* ---------- Tokens ---------- */

:root {
  --bg: #f3f3f1;
  --paper: #0b0b0b;          /* the ink: the name "paper" stayed from the dark version */
  --paper-rgb: 11, 11, 11;
  --paper-2: #515150;
  --muted: #686867;
  --rule: rgba(11, 11, 11, 0.12);
  --signal: #ff4f2e;         /* the accent, for dots, lines and marks */
  --signal-text: #cc3418;    /* the accent when it colours text: 4.6:1 on the background */
  --signal-soft: rgba(255, 79, 46, 0.18);

  --sans: "Geist", "Geist Fallback", Arial, Helvetica, sans-serif;
  --display: var(--sans);
  --display-stretch: 100%;
  --display-weight: 500;
  --display-tracking: -0.03em;
  --arabic: "Kufi Labels", "Geeza Pro", "Noto Kufi Arabic", sans-serif;

  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1440px;
  --ease: cubic-bezier(0.22, 0.7, 0.18, 1);
  color-scheme: light;
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; overflow-x: clip; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--sans);
  font-size: clamp(1.0625rem, 0.96rem + 0.34vw, 1.3125rem);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.006em;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection { background: var(--signal-soft); color: var(--paper); }
p, h1, h2, h3, figure, ul { margin: 0; }
ul { padding: 0; list-style: none; }
p { text-wrap: pretty; }

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(var(--paper-rgb), 0.4);
  transition: color 160ms ease, text-decoration-color 160ms ease;
}
a:hover { color: var(--signal-text); text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; left: 1rem; top: 1rem; z-index: 50; padding: 0.5rem 0.8rem; background: var(--paper); color: var(--bg); transform: translateY(-200%); }
.skip:focus { transform: none; }

/* Wide display type, shared by the big lines. */
.display {
  font-family: var(--display); font-stretch: var(--display-stretch);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
}

/* ---------- Hero ---------- */

.hero { position: relative; height: 100svh; min-height: 540px; overflow: hidden; cursor: crosshair; touch-action: pan-y; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* The same name as a plain picture, under the canvas: what shows before (or without) JavaScript. */
.hero__name { position: absolute; left: 50%; top: 50%; width: min(84vw, 213svh); height: auto; transform: translate(-50%, -62%); }

/* ---------- Sections ---------- */

main > section, .foot { padding-inline: var(--pad); max-width: var(--max); margin-inline: auto; }

.section-title {
  position: relative;
  width: max-content;
  margin-bottom: clamp(3rem, 8vw, 6rem);
  font-family: var(--display); font-stretch: var(--display-stretch);
  font-weight: var(--display-weight);
  font-size: clamp(2.75rem, 1.1rem + 5.6vw, 6.75rem);
  line-height: 0.95;
  letter-spacing: var(--display-tracking);
  white-space: nowrap;
}
.has-glyphs { color: transparent; }
.glyph-title { position: absolute; pointer-events: none; }

/* ---------- Statement ---------- */

.statement { padding-block: clamp(7rem, 22vh, 14rem) clamp(7rem, 20vh, 13rem); }
.statement__lead {
  font-family: var(--display); font-stretch: var(--display-stretch);
  font-weight: var(--display-weight);
  font-size: clamp(2.1rem, 0.7rem + 4.6vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: var(--display-tracking);
  max-width: 13em;
  text-wrap: balance;
}
.statement__lead .w { transition: color 500ms ease, -webkit-text-stroke-color 500ms ease; }
.js .statement__lead .w { color: transparent; -webkit-text-stroke: 1px rgba(var(--paper-rgb), 0.42); }
.js .statement__lead .w.is-on { color: var(--paper); -webkit-text-stroke-color: transparent; }
.statement__more {
  margin-top: clamp(3rem, 8vw, 5.5rem);
  margin-left: auto;
  max-width: 26em;
  font-size: 1.15em;
  line-height: 1.45;
  color: var(--paper-2);
}

/* ---------- Work ---------- */

.work { padding-bottom: clamp(6rem, 14vh, 10rem); }
.work__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 1.5rem; }
.work__list { grid-column: 1 / span 5; padding-bottom: 16vh; }
.work__stage { grid-column: 6 / span 7; position: relative; }

.project { min-height: 82vh; display: flex; flex-direction: column; justify-content: center; padding-block: 3rem; }
.project__name {
  font-family: var(--display); font-stretch: var(--display-stretch);
  font-weight: var(--display-weight);
  font-size: clamp(2.4rem, 1.3rem + 3.1vw, 4.4rem);
  line-height: 1;
  letter-spacing: var(--display-tracking);
}
.project__desc { margin-top: 1.4rem; color: var(--paper-2); max-width: 28em; }
.project__links { margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: 0.2rem 1.4rem; }
.project__figure { display: none; }

.stage { position: sticky; top: max(4rem, calc(50vh - 21rem)); }
.stage__svg { display: block; width: 100%; height: auto; max-height: 78vh; overflow: visible; }

/* ---------- Scenes ---------- */

.s-line { fill: none; stroke: rgba(var(--paper-rgb), 0.32); stroke-width: 1; vector-effect: non-scaling-stroke; }
.s-line--soft { stroke: rgba(var(--paper-rgb), 0.28); stroke-dasharray: 2 5; }
.s-line--faint { stroke: rgba(var(--paper-rgb), 0.13); }
.s-frame { fill: rgba(var(--paper-rgb), 0.02); }
.s-gate { stroke: var(--paper); stroke-width: 1.5; vector-effect: non-scaling-stroke; transition: stroke 200ms ease; }
.s-gate.is-hot { stroke: var(--signal); }
.s-dot { fill: var(--paper); transition: fill 200ms ease; }
.s-dot.is-hot, .s-dot--hot { fill: var(--signal); }
.s-text { font: 400 14px/1 var(--sans); fill: var(--paper); }
.s-text--quiet { fill: var(--paper-2); }
.s-text-ar { font: 400 13px/1 var(--arabic); fill: var(--muted); }
.s-label { transition: opacity 300ms ease; }
.s-label--quiet { opacity: 0.75; }
.s-tick { stroke: rgba(var(--paper-rgb), 0.28); stroke-width: 1; vector-effect: non-scaling-stroke; }
.s-tick--hour { stroke: rgba(var(--paper-rgb), 0.7); stroke-width: 1.5; }
.s-hand { stroke: var(--paper); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.s-hand--hour { stroke-width: 3; }
.s-hand--order { stroke: var(--signal); stroke-width: 1.25; }
.s-cap { fill: var(--signal); }
.s-block { fill: rgba(var(--paper-rgb), 0.05); stroke: rgba(var(--paper-rgb), 0.42); stroke-width: 1; vector-effect: non-scaling-stroke; }
.s-block--head { fill: rgba(var(--paper-rgb), 0.85); stroke: none; }
.s-block--line { fill: rgba(var(--paper-rgb), 0.38); stroke: none; }
.s-block--img { fill: rgba(var(--paper-rgb), 0.07); }
.s-guide { fill: none; stroke: var(--signal); stroke-opacity: 0.45; stroke-width: 1; stroke-dasharray: 2 4; vector-effect: non-scaling-stroke; opacity: 0; transition: opacity 500ms ease; }
.s-tooth { fill: rgba(var(--paper-rgb), 0.03); stroke: rgba(var(--paper-rgb), 0.22); stroke-width: 1; vector-effect: non-scaling-stroke; transition: fill 300ms ease, stroke 300ms ease; }
.s-tooth.is-seen { stroke: rgba(var(--paper-rgb), 0.75); }
.s-tooth.is-marked { fill: var(--signal-soft); stroke: var(--signal); }
.s-scan { stroke: var(--signal); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.s-num { font: 500 13px/1 var(--sans); fill: var(--signal-text); font-variant-numeric: tabular-nums; }
.s-under { fill: var(--signal); transition: x 300ms var(--ease), opacity 300ms ease; }

.is-compact .s-text { font-size: 24px; }
.is-compact .s-text-ar { font-size: 22px; }
.is-compact .s-num { font-size: 22px; }

/* ---------- How I work ---------- */

.approach { padding-block: clamp(4rem, 10vh, 7rem) clamp(6rem, 16vh, 11rem); }
.approach__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 1.5rem; row-gap: 3rem; }
.approach__big {
  grid-column: 1 / span 6;
  font-family: var(--display); font-stretch: var(--display-stretch);
  font-weight: var(--display-weight);
  font-size: clamp(2.1rem, 0.9rem + 3.6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: var(--display-tracking);
}
.approach__text { grid-column: 8 / span 5; display: grid; gap: 1.1em; color: var(--paper-2); align-self: end; }
.approach__text p:first-child { color: var(--paper); }
.complexity { position: relative; white-space: nowrap; cursor: help; text-decoration: underline dotted 1px rgba(var(--paper-rgb), 0.4); text-underline-offset: 0.22em; }
.complexity svg { position: absolute; left: 50%; top: 50%; width: 340px; height: 200px; transform: translate(-78%, -56%); pointer-events: none; overflow: visible; opacity: 0; transition: opacity 220ms ease; }
.complexity.is-open svg { opacity: 1; }
.complexity.is-open { color: var(--signal-text); }
.tangle__curve { fill: none; stroke: rgba(var(--paper-rgb), 0.5); stroke-width: 1; stroke-dasharray: 1; stroke-dashoffset: 0; vector-effect: non-scaling-stroke; }
.tangle__handle { stroke: rgba(255, 79, 46, 0.45); stroke-width: 1; vector-effect: non-scaling-stroke; }
.tangle__off { fill: var(--bg); stroke: var(--signal); stroke-width: 1; transform-box: fill-box; transform-origin: center; }
.tangle__on { fill: var(--paper); transform-box: fill-box; transform-origin: center; }
.tangle__note { font: 400 13px var(--sans); fill: var(--muted); }

/* ---------- Research ---------- */

.evidence { padding-block: clamp(4rem, 10vh, 7rem) clamp(6rem, 16vh, 11rem); }
.evidence__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 1.5rem; row-gap: 3rem; align-items: start; }
.evidence__text { grid-column: 1 / span 4; display: grid; gap: 1.4em; color: var(--paper-2); }
.evidence__line { color: var(--paper); font-family: var(--display); font-stretch: var(--display-stretch); font-weight: var(--display-weight); font-size: 1.7em; line-height: 1.1; letter-spacing: -0.03em; }
.chart { grid-column: 6 / span 7; }
.chart__svg { display: block; width: 100%; height: auto; overflow: visible; }
.c-axis { stroke: rgba(var(--paper-rgb), 0.22); stroke-width: 1; vector-effect: non-scaling-stroke; }
.c-grid { stroke: rgba(var(--paper-rgb), 0.09); stroke-width: 1; vector-effect: non-scaling-stroke; }
.c-split { stroke: var(--paper-2); stroke-width: 1; stroke-dasharray: 3 4; vector-effect: non-scaling-stroke; }
.c-in { fill: none; stroke: var(--paper); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.c-out { fill: none; stroke: var(--signal); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.c-ghost { fill: none; stroke: rgba(var(--paper-rgb), 0.3); stroke-width: 1; stroke-dasharray: 2 4; vector-effect: non-scaling-stroke; }
.c-label { font: 400 14px var(--sans); fill: var(--paper-2); }
.c-label--em { fill: var(--paper); }
.c-label--signal { fill: var(--signal-text); }
.chart__svg.is-narrow .c-label { font-size: 17px; }

/* ---------- Contact ---------- */

.contact { padding-block: clamp(4rem, 10vh, 7rem) clamp(6rem, 16vh, 10rem); }
.contact .section-title { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.contact__email { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 1.6rem; }
.email {
  font-family: var(--display); font-stretch: var(--display-stretch);
  font-weight: var(--display-weight);
  font-size: clamp(1.6rem, 0.9rem + 2.6vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: var(--display-tracking);
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}
.copy, .foot__toggle {
  font: inherit; font-size: 0.95rem; color: var(--paper-2);
  background: none; border: 0; padding: 0.4rem 0; cursor: pointer;
  text-decoration: underline 1px rgba(var(--paper-rgb), 0.3); text-underline-offset: 0.22em;
}
.copy:hover, .foot__toggle:hover { color: var(--paper); text-decoration-color: currentColor; }
.copy[hidden] { display: none; }
.contact__links { margin-top: 2.5rem; display: flex; gap: 1.8rem; font-size: 1.15em; }

/* ---------- Footer ---------- */

.foot { display: flex; gap: 1.6rem; padding-block: 1.5rem 2.5rem; border-top: 1px solid var(--rule); }
.foot__toggle[data-action="xray"][aria-pressed="true"] { color: var(--signal-text); }

/* ---------- X-ray ---------- */

.xray-layer { position: absolute; inset: 0 0 auto 0; pointer-events: none; z-index: 15; }
.xray-box { position: absolute; outline: 1px dashed rgba(255, 79, 46, 0.55); outline-offset: -1px; }
.xray-tag { position: absolute; left: 0; top: 0; transform: translateY(-100%); font: 500 11px/1 var(--sans); color: #fff; background: var(--signal-text); padding: 3px 5px; white-space: nowrap; }
.xray-cols { position: fixed; inset: 0; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 1.5rem; padding-inline: var(--pad); max-width: var(--max); margin-inline: auto; }
.xray-cols span { background: rgba(255, 79, 46, 0.045); border-inline: 1px solid rgba(255, 79, 46, 0.14); }
html.xray body { background-image: linear-gradient(rgba(var(--paper-rgb), 0.05) 1px, transparent 1px); background-size: 100% 8px; }
html.xray :is(.statement__lead, .project__name, .approach__big, .email, .evidence__line) { color: transparent !important; -webkit-text-stroke: 1px var(--paper) !important; }
html.xray :is(p, li) { outline: 1px solid rgba(var(--paper-rgb), 0.12); }

/* ---------- Narrower screens ---------- */

@media (max-width: 1023px) {
  .work__list { grid-column: 1 / -1; padding-bottom: 0; }
  .work__stage { display: none; }
  .project { min-height: 0; padding-block: 3.5rem; }
  .project__figure { display: block; margin-top: 2rem; }
  .project__figure svg { display: block; width: 100%; height: auto; overflow: visible; }
  .approach__big, .approach__text, .evidence__text, .chart { grid-column: 1 / -1; }
  .statement__more { margin-left: 0; }
}
@media (max-width: 640px) {
  .complexity svg { display: none; }
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .statement__lead .w { transition: none; }
}
html.still .statement__lead .w { transition: none; }

/* ---------- Print ---------- */

@media print {
  :root { --bg: #fff; --paper: #000; --paper-rgb: 0, 0, 0; --paper-2: #222; --muted: #555; }
  html, body { background: #fff; }
  .hero canvas, .work__stage, .project__figure, .copy, .chart, .glyph-title, .xray-layer, .foot { display: none !important; }
  .hero { height: auto; min-height: 0; padding: 2rem var(--pad) 1rem; }
  .hero h1 { position: static; width: auto; height: auto; clip-path: none; font-stretch: 125%; font-size: 2.6rem; }
  .has-glyphs { color: #000; }
  .js .statement__lead .w { color: #000; -webkit-text-stroke: 0; }
  .project { min-height: 0; padding-block: 1rem; break-inside: avoid; }
}