/* Thames Web Crafters — one stylesheet, no build step */

:root {
  --teal: #0f5c5c;
  --ink: #1e2626;
  --muted: #5a6666;
  --rule: #d8e1e1;
  --tint: #eef4f4;
  --measure: 44rem;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: "Source Sans 3", "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.125rem;
  line-height: 1.65;
}

h1, h2, h3 {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: 2.1rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.45rem;
  margin-top: 2.75rem;
}

h3 {
  font-size: 1.15rem;
  font-weight: 500;
}

p, ul, ol {
  margin: 0 0 1.1rem;
}

a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover, a:focus {
  text-decoration-thickness: 2px;
}

.inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Top bar: the only accent line on the site */
.topbar {
  border-bottom: 3px solid var(--teal);
}

.topbar .inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand svg {
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
}

.topbar nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.topbar nav a {
  text-decoration: none;
  font-weight: 600;
}

.topbar nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.75rem 1.25rem 4.5rem;
}

.lede {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.notice {
  background: var(--tint);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2.5rem;
}

.notice h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

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

.conduct {
  padding-left: 1.4rem;
}

.conduct li {
  margin-bottom: 0.4rem;
}

/* Past sessions */
.session {
  border-top: 1px solid var(--rule);
  padding-top: 1.75rem;
  margin-top: 2.5rem;
}

.session h2 {
  margin-top: 0;
  font-size: 1.3rem;
  color: var(--teal);
}

.talk + .talk {
  margin-top: 1.75rem;
}

.talk h3 {
  margin-bottom: 0.2rem;
}

.speaker {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-weight: 600;
}

.speaker::before {
  content: "\2014\00a0";
}

.bio {
  font-size: 1rem;
  color: var(--muted);
  border-left: 0;
  margin-top: 0.75rem;
}

.note {
  font-size: 1rem;
  color: var(--muted);
}

/* Legal notice */
address {
  font-style: normal;
}

dl {
  margin: 0 0 1.1rem;
}

dt {
  font-weight: 600;
}

dd {
  margin: 0 0 0.75rem;
}

footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.95rem;
}

footer .inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

footer a {
  color: var(--teal);
}

@media (max-width: 480px) {
  body {
    font-size: 1.05rem;
  }
  h1 {
    font-size: 1.7rem;
  }
  h2 {
    font-size: 1.3rem;
  }
  .lede {
    font-size: 1.12rem;
  }
  main {
    padding-top: 2rem;
  }
  .notice {
    padding: 1rem 1.1rem;
  }
}

/* Encadré « ailleurs sur le web » */
.ailleurs{margin:2.5rem auto 1rem;max-width:46rem;padding:.9rem 1.2rem;border-left:3px solid currentColor;line-height:1.55}
.ailleurs a{text-decoration:underline}

/* photos */
.photos{margin:1.5rem 0}.photos figure{margin:0;max-width:640px}.photos img{width:100%;height:auto;display:block;border:1px solid #ccc}