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

:root {
  --text: #202124;
  --muted: #73777c;
  --line: #d8dadd;
  --surface: #f6f6f4;
  --max-text: 720px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  color: var(--text);
  background: #fff;

  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  line-height: 1.7;
}

img {
  max-width: 100%;
}


/* ==================================================
   Container
================================================== */

.article-container {
  width: min(var(--max-text), calc(100% - 2rem));

  margin-right: auto;
  margin-left: auto;
}


/* ==================================================
   Hero
================================================== */

.article-hero {
  margin-bottom: 5rem;
}

.article-hero-image {
  display: block;

  width: 100%;
  height: min(58vw, 720px);

  object-fit: cover;
}

.article-hero-content {
  padding-top: 4rem;
}

.article-meta {
  margin: 0 0 0.75rem;

  color: var(--muted);

  font-size: 0.8rem;
  font-weight: 600;

  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-hero h1 {
  margin: 0;

  font-size: clamp(2.6rem, 8vw, 5rem);
  font-weight: 500;
  line-height: 0.98;

  letter-spacing: -0.04em;
}

.article-deck {
  margin-top: 2.5rem;

  color: var(--muted);

  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.1rem, 2.3vw, 1.35rem);
  font-style: italic;
  line-height: 1.6;
}

.article-deck p {
  margin: 0;
}


/* ==================================================
   Article
================================================== */

.article {
  padding-bottom: 6rem;
}

.article p {
  margin-top: 0;
  margin-bottom: 1.6rem;

  font-size: 1.05rem;
}

.article-opening {
  font-size: 1.2rem !important;
}

.article-aside {
  margin: 3rem 0 !important;

  color: var(--muted);

  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem !important;

  text-align: center;
}

.article-emphasis {
  margin: 2.5rem 0 !important;

  font-size: 1.2rem !important;
  font-weight: 600;
}

.article-count {
  margin: 3.5rem 0 !important;

  font-size: 1.3rem !important;
}

.article-count strong {
  font-size: 1.6em;
  font-weight: 500;

  font-variant-numeric: tabular-nums;
}


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

.article-section {
  margin-top: 6rem;
  padding-top: 4rem;

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

.article-section-header {
  margin-bottom: 3rem;
}

.article-section-number {
  margin-bottom: 0.5rem !important;

  color: var(--muted);

  font-size: 0.75rem !important;
  font-weight: 600;

  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-section h2 {
  margin: 0;

  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1.1;

  letter-spacing: -0.025em;
}


/* ==================================================
   Quotes
================================================== */

.article-quote {
  margin: 2.5rem 0;
  padding: 1.5rem 0 1.5rem 1.5rem;

  border-left: 2px solid var(--text);
}

.article-quote p {
  margin: 0;

  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  font-style: italic;
}


/* ==================================================
   Technical transition
================================================== */

.project-question {
  margin: 3rem 0;
  padding: 1.5rem;

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

  background: var(--surface);
}

.project-question-label {
  margin-bottom: 0.5rem !important;

  color: var(--muted);

  font-size: 0.75rem !important;
  font-weight: 600;

  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-question p:last-child {
  margin-bottom: 0;

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 1rem;
}

.article-placeholder {
  color: var(--muted);
  font-style: italic;
}


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

.site-footer {
  padding: 2rem 0;

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

  color: var(--muted);
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
}


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

@media (max-width: 600px) {

  .article-hero {
    margin-bottom: 4rem;
  }

  .article-hero-image {
    height: 60vh;
    min-height: 380px;
  }

  .article-hero-content {
    padding-top: 3rem;
  }

  .article-section {
    margin-top: 4rem;
    padding-top: 3rem;
  }

  .article p {
    font-size: 1rem;
  }

}

.article-image {
  margin: 3rem 0;
}

.article-image img {
  display: block;
  width: 100%;
  height: auto;
}

.article-video {
  margin: 3rem auto;
  max-width: 720px;
}

.article-video video {
  display: block;
  width: 100%;
  height: auto;

  border-radius: 14px;
  overflow: hidden;

  box-shadow:
    0 18px 50px rgba(0,0,0,.18),
    0 4px 12px rgba(0,0,0,.08);

  background: #000;
}

.article-video figcaption {
  margin-top: .75rem;

  text-align: center;

  font-size: .92rem;
  line-height: 1.5;

  color: #666;
}

.article-video video {
  transition:
    transform .25s ease,
    box-shadow .25s ease;
}

.article-video:hover video {
  transform: translateY(-2px);

  box-shadow:
    0 24px 70px rgba(0,0,0,.20),
    0 8px 20px rgba(0,0,0,.10);
}