:root {
  --navy: #07111f;
  --navy-2: #0b182a;
  --blue: #1667ff;
  --cyan: #52d8ff;
  --paper: #f3f5f7;
  --ink: #0a1527;
  --muted: #4e5d72;
  --line: rgba(10, 21, 39, .16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.68 Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

h1,
h2,
h3,
p,
figure,
fieldset {
  margin-top: 0;
}

.site-header {
  height: 84px;
  padding: 0 clamp(24px, 6vw, 96px);
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 45px;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.logo {
  display: flex;
  align-items: center;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.05em;
}

.logo > span {
  width: 28px;
  height: 29px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  margin-right: 12px;
  transform: skewY(-12deg);
}

.logo i {
  background: var(--blue);
}

.logo i:nth-child(2) {
  background: var(--cyan);
  transform: translateY(5px);
}

.logo i:nth-child(3) {
  background: #fff;
  transform: translateY(10px);
}

.logo em {
  font-style: normal;
  color: #91a0b3;
}

nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
}

nav a {
  position: relative;
  font-size: 13px;
  color: #c2cad5;
  white-space: nowrap;
}

nav a.active {
  color: #fff;
}

nav a.active:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -14px;
  height: 1px;
  background: var(--cyan);
}

.top-cta {
  padding-left: 35px;
  border-left: 1px solid rgba(255, 255, 255, .16);
  font-size: 13px;
  font-weight: 700;
}

.top-cta b {
  margin-left: 25px;
}

.events-hero {
  min-height: 860px;
  padding: 170px clamp(24px, 6vw, 96px) 40px;
  background: var(--navy);
  color: #fff;
  display: grid;
  grid-template-columns: minmax(430px, .82fr) minmax(560px, 1.18fr);
  grid-template-rows: 1fr auto;
  gap: 35px 55px;
  overflow: hidden;
  position: relative;
}

.hero-grid {
  position: absolute;
  inset: 84px 0 0;
  background-image:
    linear-gradient(rgba(78, 127, 193, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 127, 193, .08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000, transparent 75%);
}

.hero-copy,
.events-hero figure,
.hero-foot {
  position: relative;
  z-index: 1;
}

.kicker {
  font: 11px/1.2 "Courier New", monospace;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: #b0bac8;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 27px;
}

.kicker i {
  width: 30px;
  height: 1px;
  background: var(--cyan);
}

.kicker.dark {
  color: #4d5a6c;
}

.kicker.dark i {
  background: var(--blue);
}

h1 {
  font-size: clamp(58px, 6vw, 92px);
  line-height: .95;
  letter-spacing: -.067em;
  font-weight: 650;
  margin-bottom: 34px;
}

h1 em,
h2 em {
  font-style: normal;
  color: var(--cyan);
}

.lead {
  max-width: 610px;
  color: #c2cad5;
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 38px;
}

.hero-actions a {
  font-size: 13px;
}

.hero-actions a:first-child {
  min-width: 205px;
  padding: 17px 20px;
  display: flex;
  justify-content: space-between;
  background: var(--blue);
  font-weight: 700;
}

.hero-actions a:last-child {
  color: #d0d7e0;
}

.hero-actions b {
  font-weight: 400;
}

.events-hero figure {
  margin: 0;
  min-height: 555px;
  align-self: center;
  overflow: hidden;
  border: 1px solid rgba(116, 164, 230, .19);
  background: #081322;
}

.events-hero figure:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 17, 31, .23), transparent 50%);
}

.events-hero figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.events-hero figcaption {
  position: absolute;
  z-index: 2;
  left: 22px;
  right: 22px;
  top: 20px;
  display: flex;
  justify-content: space-between;
  font: 10px "Courier New", monospace;
  color: #9aa8ba;
  letter-spacing: .13em;
}

.visual-stat {
  position: absolute;
  z-index: 2;
  bottom: 24px;
  padding-top: 9px;
  border-top: 1px solid rgba(255, 255, 255, .28);
  display: flex;
  flex-direction: column;
}

.visual-stat.left {
  left: 24px;
}

.visual-stat.right {
  right: 24px;
}

.visual-stat b {
  font-size: 22px;
}

.visual-stat small {
  font: 9px "Courier New", monospace;
  color: #9caabd;
  letter-spacing: .1em;
}

.hero-foot {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 23px;
  color: #929fb0;
  font: 10px "Courier New", monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.directory-intro {
  padding: 120px clamp(24px, 7vw, 110px) 70px;
  display: grid;
  grid-template-columns: 1.65fr .85fr;
  gap: 80px;
  align-items: end;
}

.directory-intro h2,
.editorial-note h2,
.events-contact h2 {
  margin: 0;
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.04;
  letter-spacing: -.06em;
}

.directory-intro h2 em,
.events-contact h2 em {
  color: var(--blue);
}

.directory-intro > p {
  margin: 0;
  color: var(--muted);
  max-width: 590px;
}

.directory {
  padding: 0 clamp(24px, 7vw, 110px) 120px;
}

.controls {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1.7fr .65fr;
  gap: 28px;
  align-items: end;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 55px rgba(16, 31, 52, .06);
}

.controls label,
.controls legend {
  display: block;
  margin-bottom: 10px;
  color: #46566b;
  font: 700 12px/1.3 "Courier New", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.controls fieldset {
  min-width: 0;
  padding: 0;
  border: 0;
}

.search-wrap input,
.select-wrap select {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(10, 21, 39, .18);
  border-radius: 0;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.filter-buttons button {
  min-height: 46px;
  padding: 0 13px;
  color: #455368;
  background: var(--paper);
  border: 1px solid rgba(10, 21, 39, .16);
  cursor: pointer;
}

.filter-buttons button[aria-pressed="true"] {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.results-bar {
  min-height: 67px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #5b687a;
  border-bottom: 1px solid var(--line);
}

.results-bar b {
  color: var(--ink);
  font-size: 20px;
}

.results-bar button {
  padding: 8px 0;
  color: var(--blue);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.month-group {
  margin-top: 54px;
}

.month-heading {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  align-items: center;
  margin: 0 0 16px;
}

.month-heading span {
  color: var(--blue);
  font: 11px "Courier New", monospace;
  letter-spacing: .1em;
}

.month-heading h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -.04em;
}

.event-card {
  min-height: 230px;
  display: grid;
  grid-template-columns: 170px minmax(300px, 1.3fr) minmax(285px, .9fr) 145px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: rgba(255, 255, 255, .3);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.event-card:last-child {
  border-bottom: 1px solid var(--line);
}

.event-card:hover {
  position: relative;
  z-index: 1;
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 18px 50px rgba(16, 31, 52, .08);
}

.date-block {
  padding: 32px 25px;
  border-right: 1px solid var(--line);
}

.date-block .month {
  display: block;
  color: var(--blue);
  font: 700 13px/1.2 "Courier New", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.date-block .day {
  display: block;
  margin-top: 12px;
  font-size: 48px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.06em;
}

.date-block .year {
  display: block;
  margin-top: 11px;
  color: #46566b;
  font: 700 13px/1.2 "Courier New", monospace;
}

.event-main {
  padding: 32px;
  border-right: 1px solid var(--line);
}

.category-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 17px;
}

.category-pill {
  padding: 7px 10px;
  color: #203c5e;
  background: #e7edf5;
  font: 700 12px/1.25 "Courier New", monospace;
  letter-spacing: .035em;
  text-transform: uppercase;
}

.category-pill.ai {
  color: #043f59;
  background: #dff5fb;
}

.category-pill.cloud {
  color: #123f91;
  background: #e2ebff;
}

.category-pill.web3 {
  color: #303c8e;
  background: #e8e9ff;
}

.category-pill.xr {
  color: #00525e;
  background: #dff5f3;
}

.event-main h3 {
  margin: 0 0 13px;
  font-size: 27px;
  line-height: 1.23;
  letter-spacing: -.035em;
}

.event-main p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.68;
}

.event-meta {
  margin: 0;
  padding: 32px 30px;
  display: grid;
  align-content: start;
  gap: 19px;
  border-right: 1px solid var(--line);
}

.event-meta div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 12px;
}

.event-meta dt {
  color: #46566b;
  font: 700 12px/1.3 "Courier New", monospace;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.event-meta dd {
  margin: 0;
  color: #14243a;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
}

.event-meta div:first-child dd {
  font-weight: 700;
}

.event-meta div:last-child dd {
  color: #0f58d6;
  font-weight: 700;
}

.event-link {
  min-height: 100%;
  padding: 30px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}

.event-link b {
  align-self: flex-end;
  font-size: 20px;
  font-weight: 400;
}

.no-results {
  padding: 70px 30px;
  text-align: center;
  color: var(--muted);
  border: 1px solid var(--line);
}

.no-results b {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 24px;
}

.editorial-note {
  padding: 110px clamp(24px, 7vw, 110px);
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 9vw;
  color: #fff;
  background: var(--navy-2);
}

.editorial-note h2 {
  color: #fff;
}

.editorial-note > div:last-child > p {
  max-width: 660px;
  color: #b5c0ce;
  font-size: 16px;
}

.editorial-note dl {
  margin: 38px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .15);
}

.editorial-note dl div {
  display: grid;
  grid-template-columns: 115px 1fr;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
}

.editorial-note dt {
  color: var(--cyan);
  font: 10px "Courier New", monospace;
}

.editorial-note dd {
  margin: 0;
  color: #d7dee7;
  font-size: 13px;
}

.events-contact {
  padding: 120px clamp(24px, 7vw, 110px);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 8vw;
}

.contact-card {
  padding: 45px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(20, 34, 55, .08);
}

.contact-card p {
  color: var(--muted);
}

.contact-card a {
  padding: 25px 0;
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  font-size: clamp(18px, 2.3vw, 30px);
  font-weight: 700;
  overflow-wrap: anywhere;
}

footer {
  padding: 58px clamp(24px, 6vw, 96px) 28px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  color: #fff;
  background: #06101e;
}

footer p {
  color: #aab5c4;
  font-size: 13px;
}

footer > div {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 13px;
}

footer > small {
  grid-column: 1 / -1;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: #8493a6;
  font: 9.5px "Courier New", monospace;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (max-width: 1320px) {
  nav {
    display: none;
  }

  .top-cta {
    margin-left: auto;
  }

  .events-hero {
    grid-template-columns: 1fr;
    padding-top: 145px;
  }

  .events-hero figure {
    min-height: 500px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .event-card {
    grid-template-columns: 150px minmax(300px, 1.2fr) minmax(285px, .9fr);
  }

  .date-block {
    padding-left: 20px;
    padding-right: 20px;
  }

  .date-block .day {
    font-size: 42px;
  }

  .event-link {
    min-height: 78px;
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 820px) {
  .directory-intro,
  .editorial-note,
  .events-contact {
    grid-template-columns: 1fr;
  }

  .event-card {
    grid-template-columns: 140px 1fr;
  }

  .event-main {
    border-right: 0;
  }

  .event-meta {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .event-meta div {
    display: block;
  }

  .event-meta dt {
    margin-bottom: 6px;
  }

  .event-meta dd {
    font-size: 15px;
  }

  footer {
    grid-template-columns: 1fr;
  }

  footer > div {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  footer > small {
    grid-column: 1;
  }
}

@media (max-width: 600px) {
  .site-header {
    height: 72px;
  }

  .top-cta {
    padding: 9px 11px;
    border: 1px solid rgba(255, 255, 255, .18);
    font-size: 10px;
  }

  .top-cta b {
    margin-left: 8px;
  }

  .events-hero {
    min-height: auto;
    padding: 120px 22px 35px;
  }

  h1 {
    font-size: clamp(48px, 14vw, 60px);
  }

  .lead {
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .events-hero figure {
    min-height: 360px;
  }

  .events-hero figure img {
    object-position: 58% center;
  }

  .hero-foot {
    flex-wrap: wrap;
    gap: 12px 24px;
  }

  .directory-intro,
  .directory,
  .editorial-note,
  .events-contact {
    padding-left: 22px;
    padding-right: 22px;
  }

  .directory-intro {
    padding-top: 82px;
  }

  .directory {
    padding-bottom: 82px;
  }

  .controls {
    margin-left: -1px;
    margin-right: -1px;
    padding: 18px;
  }

  .filter-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .filter-buttons button {
    padding: 8px;
  }

  .month-heading {
    grid-template-columns: 65px 1fr;
  }

  .event-card {
    display: block;
  }

  .date-block {
    padding: 20px 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: baseline;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .date-block .day {
    margin: 0;
    font-size: 38px;
  }

  .date-block .year {
    margin: 0;
    text-align: right;
  }

  .event-main,
  .event-meta,
  .event-link {
    padding: 24px;
  }

  .event-meta {
    display: grid;
    grid-template-columns: 1fr;
  }

  .event-meta dd {
    font-size: 16px;
  }

  .editorial-note,
  .events-contact {
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .contact-card {
    padding: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .event-card,
  .events-hero figure img {
    transition: none;
  }
}

/* Shared header navigation. */
nav {
  gap: 18px;
}

.mobile-menu {
  display: none;
  position: relative;
}

.mobile-menu summary {
  min-width: 76px;
  padding: 10px 13px;
  list-style: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .22);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary:after {
  content: "+";
  margin-left: 9px;
  color: var(--cyan);
}

.mobile-menu[open] summary:after {
  content: "-";
}

.mobile-menu > div {
  width: 235px;
  padding: 9px;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: grid;
  background: #0b182a;
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 18px 45px rgba(0, 0, 0, .28);
}

.mobile-menu a {
  padding: 10px 12px;
  color: #cad2dc;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  font-size: 14px;
}

.mobile-menu a:last-child {
  border-bottom: 0;
}

.mobile-menu a.active {
  color: var(--cyan);
}

@media (max-width: 1320px) {
  .mobile-menu {
    display: block;
    margin-left: auto;
  }

  .top-cta {
    margin-left: 0;
  }
}

@media (max-width: 600px) {
  .top-cta {
    display: none;
  }
}