:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #000000;
  --muted: #a8a8a8;
  --soft: #f6f6f6;
  --line: #1b1b1b;
  --fine: #d4d4d4;
  --radius: 3px;
  --max: 1920px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.18;
}

a,
button {
  color: inherit;
}

a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.12em;
}

button,
input,
select {
  font: inherit;
  font-weight: 400;
}

button {
  cursor: pointer;
}

.site-header,
main {
  width: min(100% - 18px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  padding: 10px 0 22px;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.brand::after {
  content: ".";
  margin-left: 2px;
}

.site-nav {
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: clamp(1rem, 1.1vw, 1.12rem);
}

.site-nav a,
.site-nav button,
.plain-button {
  border: 0;
  padding: 0;
  background: transparent;
  text-decoration: none;
}

.site-nav a:nth-child(2) {
  color: var(--muted);
}

.nav-divider {
  color: var(--muted);
}

.intro,
.text-block,
.rows-section,
.timeline-section,
.list-section,
.contact {
  border-bottom: 1px solid var(--line);
  padding: 8px 0 108px;
}

.intro {
  padding-top: 74px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 176px;
  gap: clamp(48px, 9vw, 180px);
  align-items: start;
  padding-bottom: 96px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 1020px;
  margin-bottom: 0;
  font-size: clamp(1.55rem, 1.85vw, 2rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 1.65vw, 1.65rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0;
  font-size: inherit;
  font-weight: 400;
  letter-spacing: 0;
}

.intro-copy {
  display: grid;
  gap: 22px;
  max-width: 840px;
  margin-top: 42px;
  font-size: 1rem;
  line-height: 1.22;
}

.intro-actions {
  margin-top: 2px;
}

.intro-portrait {
  margin: 8px 0 0;
  justify-self: end;
}

.intro-portrait img {
  display: block;
  width: clamp(128px, 12vw, 176px);
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(100%);
}

.intro-copy p,
.section-note {
  margin-bottom: 0;
}

.section-label {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 1rem;
}

.section-note {
  max-width: 980px;
  font-size: 1rem;
  line-height: 1.22;
}

.text-block h2,
.outcome-list {
  max-width: 1280px;
}

.outcome-list {
  display: grid;
  gap: 16px;
  font-size: clamp(1.28rem, 1.58vw, 1.65rem);
  line-height: 1.12;
}

.outcome-list p {
  margin: 0;
}

.rows-section .section-note {
  margin-bottom: 118px;
}

.data-rows {
  display: grid;
  border-top: 1px solid var(--fine);
}

.data-row {
  display: grid;
  grid-template-columns: 160px minmax(180px, 1fr) minmax(0, 1.6fr);
  gap: 18px;
  min-height: 40px;
  align-items: start;
  padding: 8px 0;
  border-bottom: 1px solid var(--fine);
  font-size: 1rem;
  line-height: 1.2;
}

.data-row time,
.data-row p {
  color: var(--ink);
}

.data-row p {
  margin-bottom: 0;
}

.data-row.compact {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
}

.timeline-section {
  display: grid;
  gap: 72px;
}

.timeline-heading {
  display: grid;
  gap: 16px;
  max-width: 980px;
}

.timeline-heading p {
  margin: 0;
  max-width: 760px;
  font-size: 1rem;
  line-height: 1.22;
}

.timeline-scroller {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  padding-bottom: 18px;
}

.timeline-track {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 22vw);
  gap: 22px;
  min-width: max-content;
  padding-top: 40px;
}

.timeline-track::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.timeline-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 190px;
  padding-right: 26px;
  scroll-snap-align: start;
}

.timeline-card::before {
  content: "";
  position: absolute;
  top: -31px;
  left: 0;
  width: 10px;
  height: 10px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
}

.timeline-card time,
.timeline-card p {
  font-size: 1rem;
  line-height: 1.22;
}

.timeline-card time {
  color: var(--muted);
}

.timeline-card p {
  margin: 0;
}

.list-section {
  display: grid;
  gap: 72px;
}

.columns-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  font-size: clamp(1.25rem, 1.55vw, 1.55rem);
  line-height: 1.16;
}

.columns-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.utility-page {
  width: min(100% - 18px, var(--max));
  min-height: calc(100vh - 58px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.9fr);
  gap: 70px;
  align-items: start;
  padding: 96px 0 108px;
  border-bottom: 1px solid var(--line);
}

.utility-copy {
  display: grid;
  gap: 28px;
  max-width: 720px;
}

.sandbox-page {
  grid-template-columns: minmax(0, 620px);
  justify-content: center;
  gap: 48px;
  text-align: center;
}

.sandbox-page .utility-copy {
  justify-self: center;
}

.sandbox-page .utility-form {
  text-align: left;
}

.utility-copy p,
.panel-heading p,
label,
.form-error,
.project-card p,
.dashboard-topline {
  font-size: 1rem;
  line-height: 1.22;
}

.login-panel,
.utility-form,
.project-dashboard {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.panel-heading p {
  color: var(--muted);
}

.login-form,
.project-dashboard,
.project-list {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 8px 0;
  background: transparent;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 1px solid var(--line);
  outline-offset: 3px;
}

.primary-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 14px;
  background: var(--ink);
  color: var(--bg);
}

.compact-button {
  width: fit-content;
}

.form-error {
  min-height: 20px;
  margin: 0;
}

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.2);
}

.modal-panel {
  position: relative;
  width: min(100%, 420px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  font-size: 0.95rem;
  line-height: 1;
}

.modal-heading {
  display: grid;
  gap: 10px;
  padding-right: 42px;
  margin-bottom: 30px;
}

.modal-panel h2 {
  font-size: 1.25rem;
}

.modal-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.22;
}

.modal-form {
  display: grid;
  gap: 16px;
}

.dashboard-topline,
.project-form {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dashboard-topline {
  justify-content: space-between;
  border-bottom: 1px solid var(--fine);
  padding-bottom: 12px;
}

.dashboard-topline p {
  margin: 0;
}

.project-form input {
  flex: 1 1 240px;
}

.project-form select {
  flex: 0 0 140px;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  padding: 10px 0;
  border-bottom: 1px solid var(--fine);
}

.project-card p {
  margin-bottom: 0;
}

.status {
  color: var(--muted);
}

.contact {
  min-height: calc(100vh - 58px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 72px;
  padding: 22px 0 8px;
  border-bottom: 0;
}

.contact h2 {
  max-width: none;
  font-size: clamp(5.8rem, 17.8vw, 21rem);
  line-height: 0.82;
  letter-spacing: 0;
}

.contact-footer {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(420px, 1fr);
  grid-template-areas:
    "note primary"
    "meta meta";
  gap: 28px 64px;
  align-items: end;
}

.contact-note {
  grid-area: note;
  max-width: 560px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.22;
}

.contact-primary {
  grid-area: primary;
  justify-self: end;
  display: grid;
  gap: 10px;
}

.contact-email {
  font-size: clamp(3.2rem, 7.2vw, 8.4rem);
  line-height: 0.88;
  text-decoration: none;
  white-space: nowrap;
}

.contact-links {
  display: grid;
  gap: 4px;
  font-size: 1rem;
}

.contact-links a {
  width: fit-content;
}

.contact-meta {
  grid-area: meta;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.9rem;
  line-height: 1.2;
}

@media (max-width: 820px) {
  .intro {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 76px;
  }

  .intro-portrait {
    justify-self: start;
    margin-top: 0;
  }

  .data-row,
  .data-row.compact {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .utility-page {
    min-height: calc(100vh - 80px);
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 72px 0 90px;
  }

  .columns-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .columns-list ul + ul {
    margin-top: 0;
  }

}

@media (max-width: 560px) {
  .site-header {
    gap: 14px;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 10px 18px;
    flex-wrap: wrap;
    font-size: 1rem;
  }

  .intro,
  .text-block,
  .rows-section,
  .timeline-section,
  .list-section,
  .contact {
    padding-bottom: 64px;
  }

  .intro {
    gap: 28px;
    padding-top: 52px;
    padding-bottom: 42px;
  }

  .utility-page {
    padding: 52px 0 64px;
  }

  h1 {
    font-size: clamp(1.75rem, 7.2vw, 2rem);
  }

  .intro-copy {
    gap: 18px;
    margin-top: 30px;
  }

  .modal-layer {
    align-items: start;
    padding: 112px 18px 18px;
  }

  .modal-panel {
    width: 100%;
    padding: 20px;
  }

  .rows-section {
    padding-bottom: 64px;
  }

  .timeline-section {
    gap: 46px;
  }

  .rows-section .section-note {
    margin-bottom: 54px;
  }

  .timeline-track {
    grid-auto-columns: minmax(238px, 78vw);
  }

  .data-row {
    min-height: 0;
    padding: 9px 0;
  }

  .intro-portrait img {
    width: 104px;
  }

  .project-form,
  .project-card {
    display: grid;
    grid-template-columns: 1fr;
  }

  .project-form select {
    flex-basis: auto;
  }

  .contact {
    min-height: calc(100vh - 83px);
    gap: 56px;
    padding-top: 18px;
    padding-bottom: 8px;
  }

  .contact h2 {
    font-size: clamp(4.6rem, 24vw, 7.8rem);
    line-height: 0.84;
  }

  .contact-footer {
    grid-template-columns: 1fr;
    grid-template-areas:
      "note"
      "primary"
      "meta";
    gap: 34px;
  }

  .contact-primary {
    justify-self: start;
  }

  .contact-email {
    max-width: 100%;
    font-size: clamp(2.1rem, 12vw, 3.4rem);
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .contact-meta {
    align-items: end;
  }
}