/* ==========================================================================
   Colors, fonts and column width
   ========================================================================== */

:root {
  --paper: #faf8f3;     /* off-white page background */
  --cream: #f2ebdc;     /* light cream for the header band and thumbnails */
  --ink: #111111;       /* black text */
  --gray: #6b665d;      /* secondary text */
  --gray-dark: #4a4640; /* dark gray for hover states */
  --rule: #ddd5c4;      /* rules and borders */
  --link: #0000ee;      /* classic link blue for publication titles */

  --serif: "EB Garamond", Garamond, Georgia, serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;

  --width: 50rem;   /* column width */
  --gutter: 1.5rem; /* side margins */
}

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

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

.container {
  max-width: calc(var(--width) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ==========================================================================
   Header
   ========================================================================== */

.masthead {
  background: var(--cream);
  border-bottom: 1px solid var(--rule);
}

.masthead__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "photo body"
    ".     email";
  align-items: center;
  column-gap: 2.75rem;
  padding-block: 4rem 3.25rem;
}

.masthead__photo {
  grid-area: photo;
  width: 9.5rem;
  height: 9.5rem;
  margin: 6px; /* ring thickness, keeps the circle aligned with the column */
  border-radius: 50%;
  object-fit: cover;
  background: var(--paper);
  box-shadow: 0 0 0 5px var(--cream), 0 0 0 6px var(--ink);
}

.masthead__body {
  grid-area: body;
}

.masthead__name {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.125rem, 1.6rem + 2.2vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
}

.masthead__intro {
  max-width: 34em;
  margin: 0.85rem 0 0;
}

/* Contact buttons */

.contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.button {
  display: inline-flex;
  align-items: center;
  padding: 0.6em 1.05em;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: 500 0.75rem/1 var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
.button[aria-expanded="true"] {
  border-color: var(--gray-dark);
  background: var(--gray-dark);
  color: var(--cream);
}

.button--icon {
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Email address, fades in below the buttons after a click on the email icon. */

.email-panel {
  grid-area: email;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1.25rem;
  margin: 1.1rem 0 0;
  animation: fade-in 0.4s ease;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

.email-panel__address {
  font-family: var(--serif);
  font-size: 1.3rem;
}

.text-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--gray);
  font: 500 0.75rem/1 var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.text-button:hover {
  color: var(--ink);
}

/* ==========================================================================
   Sections
   ========================================================================== */

.page {
  padding-block: 0.5rem 4rem;
}

.section {
  margin-top: 3.5rem;
}

.section__title {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0 0 1.75rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  font-variant-caps: small-caps;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.section__title::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--ink);
}

.section__more,
.back-link {
  margin: 2rem 0 0;
  font-size: 0.875rem;
}

.section__more {
  text-align: right;
}

/* ==========================================================================
   Projects, grid on desktop and list on mobile
   ========================================================================== */

.projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.25rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.project__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--cream);
}

.project__media img,
.project__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Placeholder for projects without an image. */
.project__placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  box-shadow: inset 0 0 0 6px var(--cream), inset 0 0 0 7px var(--rule);
  color: var(--gray);
  font: italic 400 2.75rem/1 var(--serif);
}

.project__date {
  display: block;
  margin-top: 0.9rem;
  color: var(--gray);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.project__title {
  margin: 0.9rem 0 0.25rem;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.25;
}

.project__date + .project__title {
  margin-top: 0.15rem;
}

.project__description {
  margin: 0;
  color: var(--gray);
  font-size: 0.875rem;
  line-height: 1.55;
}

a.project__link:is(:hover, :focus-visible) .project__media {
  border-color: var(--gray-dark);
}

a.project__link:is(:hover, :focus-visible) .project__title {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

@media (max-width: 52rem) {
  .projects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ==========================================================================
   Publications
   ========================================================================== */

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

.publication {
  display: grid;
  grid-template-columns: minmax(0, 1fr) fit-content(15rem);
  grid-template-areas:
    "title   venue"
    "authors date";
  align-items: baseline;
  gap: 0.25rem 2.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.publication:first-child {
  padding-top: 0;
}

.publication__title {
  grid-area: title;
  margin: 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.3;
}

.publication__title a {
  color: var(--link);
}

.publication__authors {
  grid-area: authors;
  margin: 0;
  color: var(--gray);
  font-size: 0.875rem;
}

.publication__authors strong {
  color: var(--ink);
  font-weight: 600;
}

.publication__venue {
  grid-area: venue;
  margin: 0;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  text-align: right;
}

.publication__date {
  grid-area: date;
  margin: 0;
  color: var(--gray);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

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

.topbar {
  background: var(--cream);
  border-bottom: 1px solid var(--rule);
}

.topbar .container {
  padding-block: 1.1rem;
}

.topbar__name {
  font-family: var(--serif);
  font-size: 1.375rem;
  text-decoration: none;
}

.topbar__name:hover {
  text-decoration: underline;
}

/* Shown when content.js contains an error. */
.notice {
  margin: 0;
  padding: 1rem var(--gutter);
  background: var(--ink);
  color: var(--paper);
  font-size: 0.875rem;
  text-align: center;
}

/* ==========================================================================
   Mobile
   ========================================================================== */

@media (max-width: 40rem) {
  :root {
    --gutter: 1.25rem;
  }

  .masthead__inner {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "photo"
      "body"
      "email";
    justify-items: center;
    padding-block: 3rem 2.5rem;
    text-align: center;
  }

  .masthead__photo {
    width: 8rem;
    height: 8rem;
    margin-bottom: 1.75rem;
  }

  .contacts,
  .email-panel {
    justify-content: center;
  }

  /* Projects as a vertical list. */
  .projects {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .project + .project {
    border-top: 1px solid var(--rule);
  }

  .project__link {
    display: grid;
    grid-template-columns: 6.5rem minmax(0, 1fr);
    grid-template-rows: auto auto 1fr;
    grid-template-areas:
      "media date"
      "media title"
      "media description";
    column-gap: 1rem;
    padding-block: 1rem;
  }

  .project:first-child .project__link {
    padding-top: 0;
  }

  .project__media {
    grid-area: media;
    align-self: start;
    aspect-ratio: 4 / 3;
  }

  .project__placeholder {
    box-shadow: inset 0 0 0 4px var(--cream), inset 0 0 0 5px var(--rule);
    font-size: 1.75rem;
  }

  .project__date {
    grid-area: date;
    margin-top: 0;
  }

  .project__title {
    grid-area: title;
    margin: 0 0 0.2rem;
    font-size: 1.125rem;
  }

  .project__description {
    grid-area: description;
  }

  /* Publications, with venue and date below the authors. */
  .publication {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "title   title"
      "authors authors"
      "venue   date";
    column-gap: 0.4rem;
  }

  .publication__venue,
  .publication__date {
    text-align: left;
  }

  .publication__venue {
    font-size: 1.05rem;
  }

  .publication__date::before {
    content: "· ";
  }
}