/* =========================================================
   Deborah Bridle — site personnel
   Palette : noir, blanc, gris — d'après S. H. Sime, "The Incubus", 1899
   ========================================================= */

:root{
  --paper:      #f4f2ee;
  --paper-dim:  #e8e5de;
  --ink:        #1a1a1a;
  --ink-soft:   #5c584f;
  --rule:       #d7d3c8;

  --serif-display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --serif-body:    "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans-utility:  "Inter", "Helvetica Neue", Arial, sans-serif;

  --sidebar-w: 300px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a{ color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
a:hover{ border-bottom-color: var(--ink); }

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

/* ---------- signature flame mark ---------- */

.flame{
  display: inline-block;
  width: 9px;
  height: 15px;
  vertical-align: -2px;
  transform-origin: bottom center;
  animation: flicker 3.6s ease-in-out infinite;
}
.flame svg{ width: 100%; height: 100%; display: block; }
.flame path{ fill: var(--ink); }

@keyframes flicker{
  0%, 100% { opacity: 1;    transform: scaleY(1)    scaleX(1)   rotate(0deg); }
  22%      { opacity: .78;  transform: scaleY(1.06)  scaleX(.94) rotate(-2deg); }
  48%      { opacity: .92;  transform: scaleY(.94)   scaleX(1.04) rotate(1deg); }
  74%      { opacity: .84;  transform: scaleY(1.03)  scaleX(.97) rotate(-1deg); }
}
@media (prefers-reduced-motion: reduce){
  .flame{ animation: none; }
}

/* ---------- layout shell ---------- */

.shell{
  display: flex;
  min-height: 100vh;
}

/* ---------- sidebar ---------- */

.sidebar{
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  padding: 56px 40px 40px;
  border-right: 1px solid var(--rule);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.site-title{
  margin: 0 0 2px;
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: .2px;
  color: var(--ink);
}

.site-tagline{
  margin: 0 0 34px;
  font-family: var(--sans-utility);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

nav.mainnav{
  border-top: 1px solid var(--rule);
  padding-top: 22px;
}

nav.mainnav ul{
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
}

nav.mainnav li{ margin: 0; }

nav.mainnav a{
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 0;
  font-family: var(--sans-utility);
  font-size: 12.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: none;
  border-left: 2px solid transparent;
  padding-left: 10px;
  margin-left: -12px;
  transition: color .15s ease, border-color .15s ease;
}

nav.mainnav a .flame{ opacity: 0; width: 8px; height: 13px; transition: opacity .15s ease; }

nav.mainnav a:hover{ color: var(--ink); }

nav.mainnav a.active{
  color: var(--ink);
  border-left-color: var(--ink);
  font-weight: 600;
}
nav.mainnav a.active .flame{ opacity: 1; }

.sidebar-credentials{
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans-utility);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.sidebar-credentials p{ margin: 0 0 14px; }
.sidebar-credentials p:last-of-type{ margin-bottom: 18px; }

.sidebar-credentials .email{
  display: inline-block;
  font-size: 12px;
  border-bottom: 1px solid var(--ink-soft);
  color: var(--ink);
}
.sidebar-credentials .email:hover{ border-color: var(--ink); }

/* ---------- mobile top bar / nav (hidden on desktop) ---------- */

.topbar{ display: none; }
.mobile-nav{ display: none; }

/* ---------- main content ---------- */

main{
  flex: 1;
  padding: 56px 64px 96px;
  max-width: 880px;
}

.eyebrow{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans-utility);
  font-size: 12.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

h1.page-title{
  font-family: var(--serif-display);
  font-weight: 500;
  font-size: 42px;
  line-height: 1.35;
  letter-spacing: -.01em;
  margin: 0 0 16px;
  color: var(--ink);
}

.page-title em{ font-style: italic; color: var(--ink); }

.intro-rule{
  width: 44px;
  height: 1px;
  background: var(--ink-soft);
  border: none;
  margin: 26px 0 36px;
}

h2.section-title{
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .01em;
  color: var(--ink);
  margin: 52px 0 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
h2.section-title:first-of-type{ margin-top: 0; }

.entry{
  margin: 26px 0;
  padding-left: 18px;
  border-left: 1px solid var(--rule);
}

.entry .entry-title{
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 2px;
  color: var(--ink);
}

.entry .entry-date{
  font-family: var(--sans-utility);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.entry .entry-place{
  font-style: italic;
  color: var(--ink-soft);
  margin: 4px 0 10px;
  font-size: 15.5px;
}

.entry p{ margin: 0 0 10px; }
.entry ul{ margin: 0 0 10px; padding-left: 20px; }
.entry li{ margin: 4px 0; }

.pub-list{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.pub-list li{
  margin: 0 0 22px;
  padding-left: 18px;
  border-left: 1px solid var(--rule);
  font-size: 15.8px;
}

.pub-list .flame-bullet{
  display: inline-flex;
  margin-right: 8px;
}

.hero-figure{
  margin: 6px 0 30px;
  max-width: 460px;
}
.hero-figure img{
  width: 100%;
  display: block;
  border: 1px solid var(--ink);
  filter: grayscale(1) contrast(1.05);
  box-shadow: 8px 8px 0 var(--rule);
}
.hero-figure figcaption{
  margin-top: 14px;
  font-family: var(--sans-utility);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink-soft);
  font-style: italic;
}

.lede{
  font-family: var(--serif-display);
  font-style: italic;
  font-weight: 500;
  font-size: 23px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 52px;
}

.tags{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 0;
  margin: 20px 0 0;
}
.tags li{
  font-family: var(--sans-utility);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 4px 0;
  position: relative;
}
.tags li::before{
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--ink);
  border-radius: 50%;
  margin-right: 8px;
}

footer.pagefoot{
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans-utility);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: .04em;
}

/* ---------- responsive ---------- */

@media (max-width: 880px){
  main{ padding: 40px 32px 72px; }
  h1.page-title{ font-size: 32px; }
}

@media (max-width: 720px){
  .shell{ flex-direction: column; }

  .sidebar{
    display: none;
  }

  .topbar{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    background: var(--paper);
    z-index: 30;
  }

  .topbar-id{ display: flex; align-items: center; gap: 12px; }
  .topbar .site-title{ font-size: 19px; margin: 0; }

  .menu-btn{
    background: none;
    border: 1px solid var(--rule);
    color: var(--ink);
    font-family: var(--sans-utility);
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 9px 14px;
    cursor: pointer;
  }
  .menu-btn:hover{ border-color: var(--ink); }

  .mobile-nav{
    display: none;
    flex-direction: column;
    background: var(--paper-dim);
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 61px;
    z-index: 29;
  }
  .mobile-nav.open{ display: flex; }
  .mobile-nav a{
    padding: 14px 22px;
    font-family: var(--sans-utility);
    font-size: 13px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    border: none;
    border-top: 1px solid var(--rule);
  }
  .mobile-nav a:first-child{ border-top: none; }
  .mobile-nav a.active{ color: var(--ink); font-weight: 600; }

  .mobile-credentials{
    padding: 18px 22px 24px;
    font-family: var(--sans-utility);
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--ink-soft);
    border-top: 1px solid var(--rule);
  }
  .mobile-credentials p{ margin: 0 0 10px; }
  .mobile-credentials .email{ color: var(--ink); border-bottom: 1px solid var(--ink-soft); }

  main{ padding: 36px 22px 64px; max-width: 100%; }
  h1.page-title{ font-size: 27px; }
  .lede{ font-size: 19px; line-height: 1.75; margin-bottom: 38px; }
  .hero-figure{ max-width: 100%; }
  .entry, .pub-list li{ padding-left: 14px; }
}