/* =========================================================
   Field Notes — an almanac of how learning works
   Custom stylesheet
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Literata:ital,wght@0,400;0,500;0,600;1,400&family=Space+Mono:wght@400;700&display=swap');

:root{
  --paper:      #EFEADC;
  --paper-2:    #E7E0CC;
  --ink:        #262620;
  --ink-soft:   #55534A;
  --moss:       #435348;
  --moss-deep:  #2E3B32;
  --rust:       #A85B33;
  --gold:       #B8934A;
  --line:       #C7BFA4;
  --line-soft:  #DAD3BC;

  --display: 'Fraunces', serif;
  --body:    'Literata', serif;
  --mono:    'Space Mono', monospace;

  --max: 1180px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a{ color: inherit; }

::selection{ background: var(--gold); color: var(--moss-deep); }

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

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* -------------------- texture -------------------- */
.grain{
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  z-index: 999;
  background-image:
    radial-gradient(circle at 1px 1px, #000 1px, transparent 0);
  background-size: 3px 3px;
}

/* -------------------- masthead -------------------- */
.masthead{
  border-bottom: 3px double var(--ink);
  padding: 28px 0 16px;
}

.masthead .wrap{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.masthead-title{
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
}

.masthead-meta{
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  display: flex;
  gap: 18px;
}

/* -------------------- hero -------------------- */
.hero{
  padding: 76px 0 64px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.hero-kicker{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.hero-kicker::before{
  content: "";
  width: 34px;
  height: 1px;
  background: var(--rust);
}

.hero h1{
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  max-width: 14ch;
}

.hero h1 em{
  font-style: italic;
  font-weight: 500;
  color: var(--moss);
}

.hero-lede{
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0 0 0;
}

.hero-figure{
  position: absolute;
  right: 32px;
  top: 70px;
  width: 210px;
  display: none;
}

@media (min-width: 980px){
  .hero-figure{ display: block; }
}

/* forgetting-curve sketch */
.hero-figure svg{ width: 100%; height: auto; }
.hero-figure figcaption{
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 6px;
  letter-spacing: 0.04em;
}

/* -------------------- layout: article + margin -------------------- */
.almanac{
  padding: 64px 0 20px;
}

.entry{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
  position: relative;
}

.entry:first-child{ border-top: none; }

@media (min-width: 860px){
  .entry{
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 48px;
  }
}

.entry-margin{
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.entry-number{
  font-family: var(--display);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--line);
  display: block;
  line-height: 1;
  margin-bottom: 10px;
}

.entry-margin .note{
  border-left: 2px solid var(--gold);
  padding-left: 12px;
  margin-top: 14px;
  color: var(--ink-soft);
}

.entry-body h2{
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.9rem;
  margin: 0 0 6px;
  color: var(--moss-deep);
}

.entry-body .latin{
  font-family: var(--body);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 0.95rem;
  display: block;
  margin-bottom: 18px;
}

.entry-body p{
  max-width: 62ch;
  margin: 0 0 14px;
}

.entry-body p:last-child{ margin-bottom: 0; }

/* -------------------- specimen table -------------------- */
.ledger{
  padding: 56px 0 70px;
  border-top: 1px solid var(--line);
}

.ledger-head{
  margin-bottom: 30px;
}

.ledger-head .hero-kicker{ margin-bottom: 14px; }

.ledger-head h2{
  font-family: var(--display);
  font-weight: 500;
  font-size: 2.1rem;
  margin: 0 0 10px;
}

.ledger-head p{
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}

table.spacing{
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

table.spacing th{
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--ink);
  padding: 10px 14px;
}

table.spacing td{
  padding: 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

table.spacing tr:last-child td{ border-bottom: 1px solid var(--ink); }

table.spacing .day{
  font-family: var(--mono);
  color: var(--rust);
  white-space: nowrap;
}

/* -------------------- glossary -------------------- */
.glossary{
  padding: 56px 0 80px;
  border-top: 1px solid var(--line);
}

.glossary h2{
  font-family: var(--display);
  font-weight: 500;
  font-size: 2.1rem;
  margin: 0 0 34px;
}

.terms{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px 40px;
}

.term dt{
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--moss);
  margin-bottom: 6px;
}

.term dd{
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

/* -------------------- footer -------------------- */
footer{
  border-top: 3px double var(--ink);
  padding: 26px 0 40px;
}

footer .wrap{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

footer .colophon{
  max-width: 44ch;
}