/* ============================================================
   Martin Mashalov — personal site
   Direction: Dutch modernist construction grid (Crouwel / Total
   Design lineage, a nod to the Amsterdam MSc) + a masked-diffusion
   decode as the one signature moment.
   No build step. No framework. Ships as three static files.
   ============================================================ */

:root {
  /* --- ink & paper ------------------------------------------------ */
  --paper:      #FFFFFF;
  --wash:       #F1F2F4;   /* masked / unresolved state             */
  --wash-2:     #E8EAED;
  --ink:        #101114;
  --ink-soft:   #6A6F78;
  --grid:       #F2F3F5;   /* the construction grid, barely there   */
  --rule:       #D8DBE1;
  --accent:     #FF3B00;   /* signal colour: fills, rules, blocks   */
  --accent-text:#CF3000;   /* same signal, darkened for small text  */
  --accent-ink: #FFFFFF;

  /* --- type ------------------------------------------------------- */
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body:    "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* --- metrics ---------------------------------------------------- */
  --maxw: 1240px;
  --gut: 28px;
  --rail: 104px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:    #0B0C0E;
    --wash:     #17191D;
    --wash-2:   #202329;
    --ink:      #F2F3F5;
    --ink-soft: #949AA4;
    --grid:     #16181C;
    --rule:     #2A2E35;
    --accent:   #FF4D19;
    --accent-text:#FF6A3D;
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ============================================================
   The construction grid — drawn, not implied.
   ============================================================ */
.gridlines {
  position: fixed;
  inset: 0 auto 0 50%;
  transform: translateX(-50%);
  width: min(100% - 2*var(--gut), var(--maxw));
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  pointer-events: none;
  z-index: 0;
}
.gridlines i { border-left: 1px solid var(--grid); }
.gridlines i:last-child { border-right: 1px solid var(--grid); }

@media (max-width: 860px) {
  .gridlines { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   Shell
   ============================================================ */
.shell {
  position: relative;
  z-index: 1;
  width: min(100% - 2*var(--gut), var(--maxw));
  margin-inline: auto;
}

/* --- the left rail: section index + real scroll position --------- */
.rail {
  position: fixed;
  top: 0; bottom: 0;
  left: max(12px, calc(50vw - var(--maxw)/2 - 116px));
  width: 104px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  z-index: 5;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.rail a {
  color: var(--ink-soft);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  padding: 3px 0;
  transition: color .18s ease;
}
.rail a::before {
  content: "";
  width: 14px; height: 1px;
  background: var(--rule);
  transition: width .18s ease, background .18s ease;
}
.rail a:hover { color: var(--ink); }
.rail a[aria-current="true"] { color: var(--accent-text); }
.rail a[aria-current="true"]::before { width: 26px; background: var(--accent); }

/* The rail only appears when the margin can actually hold it without
   crowding the content column. Below this it would collide. */
@media (max-width: 1519px) { .rail { display: none; } }

/* ============================================================
   Masthead
   ============================================================ */
.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.masthead b { color: var(--ink); font-weight: 500; }
.masthead nav { display: flex; gap: 18px; }
.masthead nav a { text-decoration: none; }
.masthead nav a:hover { color: var(--accent-text); }
@media (max-width: 620px) { .masthead nav { display: none; } }

/* ============================================================
   Hero — the masked-diffusion decode
   ============================================================ */
.hero { padding: clamp(40px, 8vh, 84px) 0 clamp(36px, 6vh, 70px); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

h1 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 112%;
  font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}
/* One box per word. The decode splits the name into per-glyph inline-blocks,
   which the browser would otherwise break between ("MASHALO / V" at 390px). */



.lede {
  margin: 34px 0 0;
  max-width: 62ch;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.5;
  color: var(--ink);
}
.lede em { font-style: normal; color: var(--accent-text); }

/* hero readout strip */
.readout {
  margin-top: clamp(30px, 4vh, 46px);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.readout div {
  padding: 20px 22px 20px 0;
  border-left: 1px solid var(--rule);
  padding-left: 22px;
}
.readout div:first-child { border-left: 0; padding-left: 0; }
.readout .n {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 108%;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
  overflow-wrap: anywhere;
}
.readout .k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  margin-top: 10px;
  line-height: 1.45;
}
@media (max-width: 720px) {
  .readout { grid-template-columns: 1fr; }
  .readout div { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .readout div:first-child { border-top: 0; }
}

/* ============================================================
   Sections
   ============================================================ */
.band { padding: clamp(56px, 9vh, 104px) 0 0; }

.band-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 12px;
  margin-bottom: 0;
}
.band-head h2 {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 108%;
  font-size: clamp(20px, 2.4vw, 27px);
  letter-spacing: -0.015em;
  text-transform: uppercase;
  margin: 0;
}
.band-head .count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-left: auto;
  text-transform: uppercase;
}

/* ============================================================
   Work entries — each project is a measured record, not a card.
   ============================================================ */
.work { border-bottom: 1px solid var(--rule); }

.entry {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr) minmax(0, 340px);
  gap: 0 32px;
  padding: 56px 0;
  border-top: 1px solid var(--rule);
  position: relative;
}
.work > .entry:first-child { border-top: 0; }

.entry .meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.7;
  padding-top: 7px;
}
.entry .meta .status { color: var(--accent-text); display: block; }

.entry h3 {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 106%;
  font-size: clamp(24px, 3.1vw, 36px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 4px;
}
.entry h3 a { text-decoration: none; }
.entry h3 a:hover { color: var(--accent-text); }

.entry .hook {
  font-size: 17px;
  color: var(--ink);
  margin: 10px 0 0;
  max-width: 56ch;
}
.entry .hook strong { font-weight: 600; }

.entry p.desc {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.62;
  max-width: 62ch;
}

.chips {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chips span {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  padding: 3px 8px;
  white-space: nowrap;
}

.links {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.links a {
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: background .15s ease, color .15s ease;
}
.links a:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.links span.soon { color: var(--ink-soft); border-bottom: 1px dotted var(--rule); padding-bottom: 2px; }

/* the pulled-out measured result */
.result {
  border-left: 1px solid var(--rule);
  padding: 6px 0 6px 22px;
  align-self: start;
}
.result .n {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 104%;
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  display: block;
  overflow-wrap: anywhere;
}
.result .n small { font-size: 0.44em; font-weight: 600; letter-spacing: 0; }
.result .k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  margin-top: 12px;
  line-height: 1.5;
}
.result figure { margin: 18px 0 0; }
.result img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--wash);
}
.result figcaption {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin-top: 8px;
  line-height: 1.5;
}

@media (max-width: 1020px) {
  .entry { grid-template-columns: 84px minmax(0, 1fr); }
  /* Below this the three-across result row cannot hold a figure without
     starving it, so the figure stacks under the text instead. */
  .result {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding: 20px 0 0;
    margin-top: 24px;
    display: block;
  }
  .result .k { margin-top: 10px; max-width: 62ch; }
  .result figure { margin: 20px 0 0; max-width: 460px; }
}
@media (max-width: 620px) {
  .entry { grid-template-columns: 1fr; gap: 12px; }
  .entry .meta { padding-top: 0; }
  .result { display: block; }
  .result figure { margin-top: 18px; }
}

/* ============================================================
   Research block
   ============================================================ */
.research {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 0 32px;
  padding: 38px 0 4px;
}
.research .body { max-width: 68ch; }
.research h3 {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 106%;
  font-size: clamp(23px, 2.9vw, 33px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  margin: 0;
}
.research .sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 12px 0 0;
}
.research p { margin: 16px 0 0; color: var(--ink-soft); font-size: 15.5px; line-height: 1.62; }
.research p.plain { color: var(--ink); font-size: 17px; }

.findings {
  margin: 26px 0 0;
  border-top: 1px solid var(--rule);
}
.findings div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.findings b {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent-text);
  font-weight: 500;
}
.findings span { font-size: 15.5px; color: var(--ink); line-height: 1.55; }
@media (max-width: 700px) {
  .research { grid-template-columns: 1fr; }
  .findings div { grid-template-columns: 1fr; gap: 4px; }
}

/* ============================================================
   Compact list (earlier work)
   ============================================================ */
.list { border-top: 1px solid var(--rule); margin-top: 0; }
.row {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 250px) minmax(0, 1fr);
  gap: 0 32px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.row .yr {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.row .nm {
  font-family: var(--display);
  font-weight: 600;
  font-stretch: 104%;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.row .ds { color: var(--ink-soft); font-size: 15px; line-height: 1.5; }
.row .ds code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--wash);
  padding: 1px 5px;
}
@media (max-width: 820px) {
  .row { grid-template-columns: 74px 1fr; }
  .row .ds { grid-column: 2; }
}

/* ============================================================
   Stack — every claim tied to the thing that proves it
   ============================================================ */
.stack { border-top: 1px solid var(--rule); }
.stack .grp {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 0 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.stack h4 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 2px 0 0;
  font-weight: 500;
}
.stack ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 4px 0; }
.stack li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink);
  padding-right: 14px;
  margin-right: 14px;
  border-right: 1px solid var(--rule);
  line-height: 1.5;
}
.stack li:last-child { border-right: 0; }
@media (max-width: 700px) { .stack .grp { grid-template-columns: 1fr; gap: 10px; } }

/* ============================================================
   Contact / colophon
   ============================================================ */
.contact { padding: clamp(64px, 11vh, 128px) 0 0; }
.contact h2 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 112%;
  font-size: clamp(38px, 8vw, 104px);
  line-height: 0.9;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin: 0;
}
.contact .ways {
  margin-top: 34px;
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.contact .ways a {
  padding: 22px 20px 22px 0;
  border-left: 1px solid var(--rule);
  padding-left: 20px;
  text-decoration: none;
  display: block;
  transition: background .15s ease;
}
.contact .ways a:first-child { border-left: 0; padding-left: 0; }
.contact .ways a:hover { background: var(--wash); }
.contact .ways .k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
}
.contact .ways .v {
  font-family: var(--display);
  font-weight: 600;
  font-stretch: 104%;
  font-size: clamp(15px, 1.8vw, 19px);
  letter-spacing: -0.012em;
  display: block;
  margin-top: 9px;
  overflow-wrap: anywhere;
}
@media (max-width: 760px) {
  .contact .ways { grid-template-columns: 1fr; }
  .contact .ways a { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .contact .ways a:first-child { border-top: 0; }
}

.colophon {
  margin-top: clamp(56px, 9vh, 96px);
  padding: 18px 0 32px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ============================================================
   Reveal on scroll — one quiet gesture, nothing more.
   ============================================================ */
html.js .rv { opacity: 0; transform: translateY(10px); }
html.js .rv.in { opacity: 1; transform: none; transition: opacity .5s ease, transform .5s cubic-bezier(.22,.61,.36,1); }

@media (prefers-reduced-motion: reduce) {
  html.js .rv, html.js .rv.in { opacity: 1; transform: none; transition: none; }
}

@media print {
  .gridlines, .rail { display: none; }
  body { font-size: 11pt; }
}

.gl[data-state="masked"] { color: transparent; }

.stack h4 span {
  display: block;
  color: var(--accent-text);
  letter-spacing: 0.05em;
  text-transform: none;
  margin-top: 5px;
  font-size: 10px;
}

.contact .ways > div {
  padding: 22px 20px 22px 20px;
  border-left: 1px solid var(--rule);
}
@media (max-width: 760px) {
  .contact .ways > div { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
}

.row .nm a { text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.row .nm a:hover { background: var(--accent); color: var(--accent-ink); }

.entry h3 .alias {
  font-family: var(--mono);
  font-size: 0.34em;
  font-weight: 400;
  font-stretch: 100%;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-transform: lowercase;
  vertical-align: middle;
}

.row.divider { padding: 26px 0 10px; border-bottom: 1px solid var(--ink); }
.row.divider .nm {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.readout .n small { font-size: 0.46em; font-weight: 600; letter-spacing: 0; }

/* ============================================================
   Hero portrait — sized to the grid, not floated decoration.
   ============================================================ */
.hero-lower {
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 176px;
  gap: 40px;
  align-items: start;
}
.hero-lower .lede { margin: 0; }
.hero-text { min-width: 0; }

.portrait { margin: 0; }
.portrait img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  filter: saturate(0.92);
}
.portrait figcaption {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.portrait figcaption::before {
  content: "";
  width: 14px; height: 1px;
  background: var(--accent);
}
@media (max-width: 860px) {
  .hero-lower { grid-template-columns: 1fr; gap: 28px; }
  .portrait { max-width: 168px; }
}

/* Inline code must never be the thing that widens the page. */
code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* One quiet line of technology, instead of a six-row grid of it. */
.stackline {
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 2;
  color: var(--ink-soft);
}
.stackline b {
  display: block;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}

.hero-note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.band-note {
  margin: 20px 0 4px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.row .ds b { color: var(--ink); font-weight: 600; }
.row .ds a { color: var(--accent-text); }

/* the stack becomes a labelled list once it is grouped by kind */
.stackline b {
  display: block;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 14px 0 5px;
}
.stackline b:first-child { margin-top: 0; }