/* ========================================
   NYC Category Theory Reading Club
   Gov.uk style with trans flag colours
   ======================================== */

@font-face {
  font-family: PublicSans;
  src: url(/nyc-category-theory-website/fonts/PublicSans-VariableFont_wght.ttf);
}

:root {
  --trans-pink: #F7A8B8;
  --trans-pink-lighter: #FFDBE2;
  --trans-pink-darker: #d65663;
  --trans-pink-darkest: #a01825;
  --trans-blue: #55CDFC;
  --trans-white: #ffffff;
}

/* ── Reset & base ── */

*, ::before, ::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
}

html {
  font-family: PublicSans, "Public Sans", system-ui, -apple-system, sans-serif;
  background-color: #f3f2f1;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: #fff;
  color: #0b0c0c;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: inherit;
}

img, svg {
  display: block;
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6, p {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Width container ── */

.width-container {
  max-width: 960px;
  margin-right: 15px;
  margin-left: 15px;
}

@media (min-width: 40.0625em) {
  .width-container {
    margin-right: 30px;
    margin-left: 30px;
  }
}

@media (min-width: 1020px) {
  .width-container {
    margin-right: auto;
    margin-left: auto;
  }
}

/* ── Header ── */

header {
  border-bottom: 10px solid var(--trans-pink);
  background-color: #000;
  color: #fff;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1rem;
}

.header-container {
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 10px;
  padding-bottom: 10px;
}

.header-logo-container {
  padding-right: 10px;
  flex-shrink: 0;
}

.header-logo-container a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.header-logo-container img {
  display: inline-block;
}

.header-site-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  white-space: nowrap;
}

@media (max-width: 40em) {
  .header-site-title {
    display: none;
  }
}

.header-motto-container {
  flex-grow: 1;
  text-align: right;
  font-weight: 700;
  padding-right: 10px;
}

/* ── Navigation ── */

.navigation {
  border-bottom: 1px solid #b1b4b6;
  background-color: #f8f8f8;
}

.navigation-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
}

.navigation-list-item {
  padding: 5px 15px;
}

.navigation-list-item a {
  color: var(--trans-pink-darker);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.875rem;
}

.navigation-list-item a:hover {
  color: var(--trans-pink);
}

.navigation-list-item a:focus {
  color: #0b0c0c;
  background-color: var(--trans-blue);
  box-shadow: 0 -2px var(--trans-blue), 0 4px #0b0c0c;
  text-decoration: none;
  outline: 3px solid transparent;
}

.navigation-list-item--current {
  border-bottom: 4px solid var(--trans-pink);
}

/* ── Typography ── */

.heading-xl {
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.09;
  margin-top: 0;
  margin-bottom: 30px;
  color: #0b0c0c;
}

@media (min-width: 40.0625em) {
  .heading-xl {
    font-size: 3rem;
    line-height: 1.04;
    margin-bottom: 50px;
  }
}

.heading-l {
  font-weight: 700;
  font-size: 1.6875rem;
  line-height: 1.11;
  margin-top: 0;
  margin-bottom: 20px;
  color: #0b0c0c;
}

@media (min-width: 40.0625em) {
  .heading-l {
    font-size: 2.25rem;
    margin-bottom: 30px;
  }
}

.heading-m {
  font-weight: 700;
  font-size: 1.3125rem;
  line-height: 1.19;
  margin-top: 0;
  margin-bottom: 15px;
  color: #0b0c0c;
}

@media (min-width: 40.0625em) {
  .heading-m {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }
}

.heading-s {
  font-weight: 700;
  font-size: 1.1875rem;
  line-height: 1.32;
  margin-top: 0;
  margin-bottom: 15px;
  color: #0b0c0c;
}

.caption-m {
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.32;
  color: #505a5f;
}

.body, .body-m {
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.5;
  margin-top: 0;
  margin-bottom: 10px;
  color: #0b0c0c;
}

@media (min-width: 40.0625em) {
  .body, .body-m {
    margin-bottom: 15px;
  }
}

.body-l {
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.4;
  margin-top: 0;
  margin-bottom: 15px;
  color: #0b0c0c;
}

@media (min-width: 40.0625em) {
  .body-l {
    font-size: 1.1875rem;
    line-height: 1.4;
    margin-bottom: 20px;
  }
}

/* ── Links ── */

.link {
  text-decoration: underline;
  text-decoration-thickness: max(1px, 0.0625rem);
  text-underline-offset: 0.1578em;
}

.link:link {
  color: var(--trans-pink-darker);
}

.link:visited {
  color: #aa0f0f;
}

.link:hover {
  color: var(--trans-pink);
  text-decoration-thickness: max(3px, 0.1875rem, 0.12em);
}

.link:focus {
  outline: 3px solid transparent;
  color: #0b0c0c;
  background-color: var(--trans-pink);
  box-shadow: 0 -2px var(--trans-pink), 0 4px #0b0c0c;
  text-decoration: none;
}

/* ── Grid ── */

.grid-row {
  margin-right: -15px;
  margin-left: -15px;
  display: flex;
  flex-wrap: wrap;
}

.grid-row::after {
  content: "";
  display: block;
  clear: both;
}

.grid-column-full {
  box-sizing: border-box;
  padding: 0 15px;
  width: 100%;
}

.grid-column-two-thirds {
  box-sizing: border-box;
  padding: 0 15px;
}

@media (min-width: 40.0625em) {
  .grid-column-two-thirds {
    flex-basis: 66.67%;
  }
}

.grid-column-one-third {
  box-sizing: border-box;
  padding: 0 15px;
}

@media (min-width: 40.0625em) {
  .grid-column-one-third {
    flex-basis: 33.33%;
  }
}

/* ── Tags ── */

.tag {
  display: inline-block;
  padding: 2px 8px;
  color: var(--trans-pink-darkest);
  background-color: var(--trans-pink-lighter);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  border-radius: 2px;
}

.tag--discord {
  background-color: #5865F2;
  color: #fff;
}

.tag--meetup {
  background-color: #f64060;
  color: #fff;
}

/* ── Inset text (callout) ── */

.inset-text {
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.5;
  color: #0b0c0c;
  padding: 15px;
  margin-top: 15px;
  margin-bottom: 15px;
  border-left: 10px solid var(--trans-pink);
}

@media (min-width: 40.0625em) {
  .inset-text {
    margin-top: 30px;
    margin-bottom: 30px;
  }
}

.inset-text > :first-child {
  margin-top: 0;
}

.inset-text > :last-child {
  margin-bottom: 0;
}

/* ── Lists ── */

.list--bullet {
  padding-left: 20px;
  list-style-type: disc;
  font-size: 1rem;
  line-height: 1.5;
}

.list--bullet > li {
  margin-bottom: 5px;
}

@media (min-width: 40.0625em) {
  .list--bullet > li {
    margin-bottom: 10px;
  }
}

.list--spaced > li {
  margin-bottom: 10px;
}

@media (min-width: 40.0625em) {
  .list--spaced > li {
    margin-bottom: 15px;
  }
}

/* ── Main content ── */

main {
  display: block;
  padding-top: 1rem;
  padding-bottom: 2rem;
}

/* ── Banner / Hero ── */

.hero-banner {
  background-color: #06031a;
  overflow: hidden;
  position: relative;
}

.hero-banner-img {
  display: block;
  width: 100%;
  max-height: 340px;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  pointer-events: none;
}

.hero-title {
  color: #fff;
  font-family: PublicSans, "Public Sans", system-ui, -apple-system, sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 1px;
  line-height: 1.5;
  text-shadow:
    0 0 20px rgba(6, 3, 26, 0.9),
    0 0 40px rgba(6, 3, 26, 0.8),
    0 2px 8px rgba(6, 3, 26, 0.95);
  margin: 0;
}

@media (min-width: 40.0625em) {
  .hero-title {
    font-size: 2.25rem;
    letter-spacing: 2px;
  }
}

/* ── Join bar ── */

.join-bar {
  background-color: #0a0525;
  padding: 15px 0;
  border-bottom: 3px solid var(--trans-pink);
}

.join-bar-inner {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Buttons ── */

.button {
  display: inline-block;
  padding: 8px 20px;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1;
  text-decoration: none;
  border-radius: 3px;
  border: 2px solid;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.button:focus {
  outline: 3px solid var(--trans-blue);
  outline-offset: 2px;
}

.button--pink {
  background-color: var(--trans-pink);
  border-color: var(--trans-pink);
  color: #0b0c0c;
}

.button--pink:hover {
  background-color: var(--trans-pink-darker);
  border-color: var(--trans-pink-darker);
  color: #fff;
}

.button--blue {
  background-color: transparent;
  border-color: var(--trans-blue);
  color: var(--trans-blue);
}

.button--blue:hover {
  background-color: var(--trans-blue);
  color: #0b0c0c;
}

/* ── Sidebar ── */

.sidebar-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 20px;
}

.sidebar-logo {
  max-width: 200px;
}

/* ── Section break ── */

.section-break {
  margin: 0;
  border: 0;
}

.section-break--l {
  margin-top: 20px;
  margin-bottom: 20px;
}

@media (min-width: 40.0625em) {
  .section-break--l {
    margin-top: 30px;
    margin-bottom: 30px;
  }
}

.section-break--visible {
  border-bottom: 1px solid #b1b4b6;
}

/* ── Meeting log ── */

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

.meeting-list-item {
  border-bottom: 1px solid #b1b4b6;
  padding: 15px 0;
}

.meeting-list-item:first-child {
  border-top: 1px solid #b1b4b6;
}

.meeting-list-item a {
  text-decoration: none;
  display: block;
}

.meeting-list-item a:hover .meeting-title {
  color: var(--trans-pink);
  text-decoration: underline;
}

.meeting-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--trans-pink-darker);
  margin-bottom: 4px;
}

.meeting-date {
  color: #505a5f;
  font-size: 0.875rem;
}

.meeting-summary {
  color: #0b0c0c;
  font-size: 0.875rem;
  margin-top: 4px;
}

/* ── Single meeting page ── */

.meeting-meta {
  color: #505a5f;
  font-size: 1rem;
  margin-bottom: 20px;
}

.back-link {
  display: inline-block;
  margin-bottom: 15px;
  color: var(--trans-pink-darker);
  text-decoration: underline;
  font-size: 1rem;
}

.back-link:hover {
  color: var(--trans-pink);
}

/* ── Content styling ── */

.content p {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 10px;
}

@media (min-width: 40.0625em) {
  .content p {
    margin-bottom: 20px;
  }
}

.content h2 {
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.11;
  margin-top: 25px;
  margin-bottom: 10px;
}

.content h3 {
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.19;
  margin-top: 20px;
  margin-bottom: 10px;
}

.content ul {
  padding-left: 20px;
  list-style-type: disc;
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 10px;
}

.content ul li {
  margin-bottom: 5px;
}

.content a {
  color: var(--trans-pink-darker);
  text-decoration: underline;
}

.content a:hover {
  color: var(--trans-pink);
}

/* ── Footer ── */

.footer {
  padding-top: 25px;
  padding-bottom: 15px;
  border-top: 1px solid #b1b4b6;
  color: #0b0c0c;
  background: #f3f2f1;
  font-size: 1rem;
}

@media (min-width: 40.0625em) {
  .footer {
    padding-top: 40px;
    padding-bottom: 25px;
  }
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 15px;
}

.footer-content span {
  color: #505a5f;
}

.footer-link {
  color: #0b0c0c;
  text-decoration: underline;
}

.footer-link:hover {
  color: rgba(11, 12, 12, 0.99);
  text-decoration-thickness: max(3px, 0.1875rem, 0.12em);
}

.footer-link:focus {
  outline: 3px solid transparent;
  color: #0b0c0c;
  background-color: var(--trans-blue);
  box-shadow: 0 -2px var(--trans-blue), 0 4px #0b0c0c;
  text-decoration: none;
}