/* ========================================
   GrainRain Personal Homepage
======================================== */

:root {
  --bg: #faf9f6;
  --surface: #f2f1ed;

  --text: #232323;
  --text-soft: #656565;
  --text-faint: #969696;

  --line: #deddd8;

  --accent: #52697a;
  --accent-soft: #e8edf0;

  --sidebar-width: 280px;

  --serif:
    Georgia,
    "Times New Roman",
    serif;

  --sans:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;

  --mono:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    Menlo,
    monospace;
}


/* ========================================
   Base
======================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  background: var(--bg);
  color: var(--text);

  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}


/* ========================================
   Layout
======================================== */

.page {
  width: min(1180px, calc(100% - 48px));

  margin: 0 auto;

  display: grid;

  grid-template-columns:
    var(--sidebar-width)
    minmax(0, 1fr);

  gap: 72px;
}


/* ========================================
   Sidebar
======================================== */

.sidebar {
  position: sticky;

  top: 0;

  height: 100vh;

  padding-top: 72px;
}

.avatar {
  width: 150px;
  height: 150px;

  object-fit: cover;

  border-radius: 50%;

  filter: saturate(0.85);

  margin-bottom: 24px;
}

.sidebar h1 {
  font-family: var(--serif);

  font-size: 25px;

  margin: 0;
}

.handle {
  margin-top: 2px;

  color: var(--text-soft);

  font-family: var(--mono);

  font-size: 14px;
}

.identity {
  margin-top: 24px;

  color: var(--text-soft);

  font-size: 14px;

  line-height: 1.7;
}

.location {
  margin-top: 18px;

  color: var(--text-soft);

  font-size: 14px;
}

.links {
  margin-top: 24px;

  display: flex;

  flex-direction: column;

  align-items: flex-start;

  gap: 5px;
}

.links a {
  color: var(--text-soft);

  font-size: 14px;

  transition: color 0.15s ease;
}

.links a::before {
  content: "↗";

  display: inline-block;

  width: 19px;

  font-family: var(--mono);

  color: var(--text-faint);
}

.links a:hover {
  color: var(--accent);
}

.sidebar-note {
  margin-top: 36px;

  font-family: var(--mono);

  font-size: 11px;

  letter-spacing: 0.08em;

  color: var(--text-faint);
}


/* ========================================
   Main content
======================================== */

.content {
  padding-top: 72px;
}

section {
  padding-bottom: 72px;

  margin-bottom: 72px;

  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 13px;

  font-family: var(--mono);

  font-size: 11px;

  letter-spacing: 0.15em;

  color: var(--accent);
}

h2 {
  font-family: var(--serif);

  font-size: clamp(31px, 4vw, 43px);

  line-height: 1.2;

  margin: 0 0 30px;
}

h3 {
  margin: 0;

  font-size: 17px;

  line-height: 1.4;
}

p {
  max-width: 760px;
}

.lead {
  font-family: var(--serif);

  font-size: 22px;

  line-height: 1.6;

  color: var(--text);
}


/* ========================================
   Interests
======================================== */

.interest-grid {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 1px;

  background: var(--line);

  border: 1px solid var(--line);
}

.interest {
  background: var(--bg);

  padding: 28px;
}

.interest span {
  font-family: var(--mono);

  font-size: 11px;

  color: var(--text-faint);
}

.interest h3 {
  margin-top: 15px;
}

.interest p {
  margin-bottom: 0;

  color: var(--text-soft);

  font-size: 14px;
}


/* ========================================
   Research
======================================== */

.research-item {
  display: grid;

  grid-template-columns: 90px 1fr;

  gap: 24px;

  padding: 26px 0;
}

.research-year {
  font-family: var(--mono);

  color: var(--text-faint);

  font-size: 13px;
}

.research-item p {
  margin-bottom: 0;

  color: var(--text-soft);
}

.meta {
  color: var(--text-faint) !important;

  font-family: var(--mono);

  font-size: 12px;
}


/* ========================================
   Projects
======================================== */

.project-list {
  border-top: 1px solid var(--line);
}

.project {
  display: grid;

  grid-template-columns: 60px 1fr;

  gap: 26px;

  padding: 30px 4px;

  border-bottom: 1px solid var(--line);

  transition:
    padding-left 0.18s ease,
    background 0.18s ease;
}

a.project:hover {
  padding-left: 13px;

  background: var(--surface);
}

.project-index {
  padding-top: 2px;

  font-family: var(--mono);

  font-size: 11px;

  color: var(--text-faint);
}

.project-title-row {
  display: flex;

  justify-content: space-between;

  align-items: center;

  gap: 20px;
}

.project-body p {
  color: var(--text-soft);

  margin: 11px 0;
}

.tags {
  font-family: var(--mono);

  font-size: 11px;

  color: var(--text-faint);
}

.tags span {
  margin: 0 5px;
}

.status {
  white-space: nowrap;

  font-family: var(--mono);

  font-size: 10px;

  padding: 3px 8px;

  border-radius: 20px;
}

.status.completed {
  background: var(--accent-soft);

  color: var(--accent);
}

.status.progress {
  border: 1px solid var(--line);

  color: var(--text-faint);
}

.project-disabled {
  cursor: default;
}


/* ========================================
   Timeline
======================================== */

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;

  grid-template-columns: 90px 1fr;

  gap: 24px;

  padding: 30px 0;

  border-bottom: 1px solid var(--line);
}

.timeline-date {
  padding-top: 2px;

  font-family: var(--mono);

  font-size: 12px;

  color: var(--text-faint);
}

.timeline-item p {
  color: var(--text-soft);

  margin-bottom: 0;
}


/* ========================================
   Toolbox
======================================== */

.toolbox {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  border-top: 1px solid var(--line);

  border-left: 1px solid var(--line);
}

.toolbox > div {
  padding: 24px;

  border-right: 1px solid var(--line);

  border-bottom: 1px solid var(--line);
}

.toolbox h3 {
  font-family: var(--mono);

  font-size: 12px;

  color: var(--text);
}

.toolbox p {
  margin-bottom: 0;

  color: var(--text-soft);

  font-size: 14px;
}

.toolbox-note {
  margin-top: 27px;

  color: var(--text-faint);

  font-size: 13px;
}


/* ========================================
   Footer
======================================== */

footer {
  display: flex;

  justify-content: space-between;

  padding-bottom: 48px;

  font-family: var(--mono);

  font-size: 10px;

  color: var(--text-faint);
}


/* ========================================
   Responsive
======================================== */

@media (max-width: 820px) {

  .page {
    width: min(100% - 34px, 720px);

    display: block;
  }

  .sidebar {
    position: static;

    height: auto;

    padding-top: 45px;

    padding-bottom: 55px;

    border-bottom: 1px solid var(--line);
  }

  .avatar {
    width: 120px;
    height: 120px;
  }

  .content {
    padding-top: 55px;
  }

  .interest-grid,
  .toolbox {
    grid-template-columns: 1fr;
  }

}


@media (max-width: 520px) {

  body {
    font-size: 15px;
  }

  section {
    padding-bottom: 55px;
    margin-bottom: 55px;
  }

  .research-item,
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .project {
    grid-template-columns: 36px 1fr;
    gap: 12px;
  }

  .project-title-row {
    display: block;
  }

  .status {
    display: inline-block;

    margin-top: 8px;
  }

  footer {
    display: block;
  }

}


/* ========================================
   Automatic Dark Mode
======================================== */

@media (prefers-color-scheme: dark) {

  :root {
    --bg: #151617;
    --surface: #1c1e20;

    --text: #e6e3dc;
    --text-soft: #aaa9a5;
    --text-faint: #747675;

    --line: #303235;

    --accent: #9aafbd;
    --accent-soft: #252d32;
  }

  .avatar {
    filter:
      saturate(0.75)
      brightness(0.9);
  }

}