@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;600;700&family=IBM+Plex+Mono:wght@500;600&family=Outfit:wght@300;400;600;700&display=swap");

:root {
  --bg: #f8fafb;
  --ink: #1f2a30;
  --ink-strong: #121d23;
  --muted: #667278;
  --acm: #3b91a8;
  --acm-deep: #2e6f81;
  --accent: #f28c2a;
  --accent-deep: #cb6f20;
  --line: #dbe2e5;
  --line-strong: #c7d0d4;
  --paper: #ffffff;
  --chip: #f1f4f5;
  --surface: #f6f8f9;
  --surface-strong: #edf1f2;
  --shadow-soft: 0 12px 24px rgba(16, 29, 35, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: 'Outfit', sans-serif;
  line-height: 1.6;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 55%, #ffffff 100%);
}

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

.container {
  width: min(1140px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(248, 250, 251, 0.92);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

.brand-text {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--acm-deep);
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  border: 2px solid transparent;
  padding: 0.25rem 0.5rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: transparent;
  color: var(--acm);
  background: transparent;
}

.page-content {
  flex: 1;
  padding: 2rem 0 3rem;
}

.meetup-slider {
  margin: 0 0 1.4rem;
}

.slider-container {
  position: relative;
  border: 1px solid var(--line);
  background: var(--chip);
  overflow: hidden;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-soft);
}

.slider {
  display: flex;
  transition: transform 0.45s ease;
}

.slide {
  min-width: 100%;
  aspect-ratio: 16 / 8;
  background: var(--surface-strong);
}

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

.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--acm-deep);
  font-size: 1.15rem;
  cursor: pointer;
}

.slider-nav.prev { left: 0.7rem; }
.slider-nav.next { right: 0.7rem; }

.slider-dots {
  position: absolute;
  bottom: 0.65rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border: 2px solid var(--paper);
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
}

.dot.active {
  background: var(--paper);
}

.sponsors-section,
.hero,
.meetups-section {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  box-shadow: var(--shadow-soft);
}

.sponsors-section {
  margin: 0 0 1.4rem;
  padding: 1.3rem;
  display: flex;
  justify-content: center;
  text-align: center;
}

.meetups-section {
  margin: 0 0 1.4rem;
  padding: 1.3rem;
}

.acm-badge {
  margin: 0 0 0.7rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--acm);
}

.acm-logo-main {
  width: min(320px, 86vw);
  height: auto;
}

.hero {
  padding: 1.5rem;
}

.eyebrow {
  margin: 0;
  display: inline-block;
  background: var(--chip);
  border: 1px solid var(--line);
  padding: 0.22rem 0.55rem;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--acm-deep);
}

h1 {
  margin: 0.7rem 0 0.65rem;
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: 0.01em;
}

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 65ch;
}

.event-grid {
  margin: 1.15rem 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.meetups-grid {
  margin-top: 0.9rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.meetup-card {
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 0.55rem;
}

.meetup-card h2 {
  margin: 0 0 0.3rem;
}

.meetup-card h2 a {
  color: var(--ink);
  text-decoration: none;
}

.meetup-card h2 a:hover,
.meetup-card h2 a:focus-visible {
  text-decoration: underline;
}

.meetup-card p {
  margin: 0;
  color: var(--muted);
}

.event-grid article {
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 0.55rem;
}

h2 {
  margin: 0 0 0.35rem;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.05rem;
}

.event-grid p {
  margin: 0;
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.subscribe-page {
  padding: 1.2rem 0.9rem;
}

.subscribe-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  box-shadow: var(--shadow-soft);
  padding: 1.1rem;
}

.subscribe-lede {
  margin-top: 0.35rem;
  color: var(--muted);
}

.subscribe-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.85rem;
}

.form-row label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--acm-deep);
  margin-bottom: 0.25rem;
}

.form-row input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 0.55rem;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
}

.subscribe-success {
  margin-top: 0.85rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--surface);
  color: var(--ink-strong);
  font-weight: 700;
}

.subscribe-errors,
.field-error {
  margin-top: 0.35rem;
  color: #b53a2a;
  font-size: 0.92rem;
}

.subscribe-modal-status {
  margin-top: 0.85rem;
  min-height: 1.2rem;
  color: var(--muted);
}

.subscribe-modal-status.is-success {
  color: var(--ink-strong);
  font-weight: 700;
}

.subscribe-modal-status.is-error {
  color: #b53a2a;
  font-weight: 700;
}

.subscribe-modal-status.is-busy {
  color: var(--acm-deep);
}

.honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.button {
  text-decoration: none;
  border: 1px solid var(--acm-deep);
  color: var(--acm-deep);
  background: var(--paper);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  box-shadow: none;
}

.button.primary {
  background: var(--acm);
  color: #fff;
  border-color: transparent;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(47, 111, 129, 0.18);
}

.site-footer {
  border-top: 2px solid var(--line);
  background: var(--surface);
  padding: 1rem 0 1.3rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-socials {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(46, 111, 129, 0.16);
}

.footer-socials img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.footer-content p {
  margin: 0;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.partner-logo {
  height: 28px;
  width: auto;
}

@media (max-width: 820px) {
  .event-grid {
    grid-template-columns: 1fr;
  }

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

  .slide {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 760px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .sponsors-section,
  .meetups-section {
    padding: 1.1rem;
  }
}

@media (max-width: 640px) {
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-socials {
    order: 2;
  }

  .footer-brand {
    width: 100%;
    justify-content: flex-start;
  }
}

.calendar-page {
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: 0.35rem;
  overflow: hidden;
}

.calendar-titlebar {
  background: linear-gradient(90deg, var(--acm), var(--acm-deep));
  padding: 0.9rem 1.2rem;
}

.calendar-brand {
  margin: 0;
  color: #fff;
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(1.1rem, 2.1vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.calendar-surface {
  padding: 1rem 1rem 1.2rem;
}

.calendar-header-row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  flex-wrap: wrap;
}

.calendar-month {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  color: var(--acm-deep);
}

.calendar-view-switch {
  display: inline-flex;
  border: 2px solid var(--acm-deep);
  border-radius: 0.3rem;
  overflow: hidden;
}

.calendar-view-switch button {
  border: 0;
  background: var(--acm-deep);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 0.98rem;
  padding: 0.45rem 0.8rem;
  text-transform: lowercase;
}

.calendar-view-switch button.is-active {
  background: var(--ink-strong);
}

.calendar-view-switch button:disabled {
  opacity: 0.85;
}

.calendar-controls {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.calendar-nav-group {
  display: inline-flex;
  overflow: hidden;
  border-radius: 0.3rem;
}

.calendar-btn {
  border: 2px solid var(--acm-deep);
  background: var(--acm-deep);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1;
  padding: 0.58rem 0.86rem;
  cursor: pointer;
}

.calendar-btn.secondary {
  font-size: 0.9rem;
  text-transform: lowercase;
  padding-inline: 0.9rem;
  background: var(--paper);
  color: var(--acm-deep);
}

.calendar-grid-wrap {
  margin-top: 1rem;
  border: 1px solid var(--line);
  overflow-x: auto;
}

.calendar-grid {
  min-width: 820px;
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
  grid-auto-rows: minmax(46px, auto);
}

.calendar-cell {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: relative;
}

.calendar-cell:nth-child(7n) {
  border-right: 0;
}

.calendar-weekday {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--ink);
  text-align: center;
  padding: 0.3rem 0.35rem;
  background: var(--surface);
}

.calendar-day {
  min-height: 92px;
  padding: 0.35rem 0.38rem 0.45rem;
}

.calendar-day.is-outside-month {
  background: var(--surface);
}

.calendar-day.is-outside-month .date-number {
  color: var(--muted);
}

.calendar-day.is-today {
  background: var(--chip);
}

.date-number {
  position: absolute;
  top: 0.26rem;
  right: 0.38rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.95rem;
  color: var(--ink-strong);
}

.event-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.28rem;
}

.event-item {
  color: var(--acm-deep);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-link {
  color: inherit;
  text-decoration: none;
  font: inherit;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.event-link:hover,
.event-link:focus-visible {
  text-decoration: underline;
}

.event-link-btn {
  text-align: left;
}

.event-item::before {
  content: "● ";
  color: var(--accent);
}

.calendar-updated {
  margin: 0;
  padding: 0.85rem 1rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.84rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.calendar-mobile-list {
  display: none;
}

.calendar-page.is-view-list .calendar-grid-wrap,
.calendar-page.is-view-week .calendar-grid-wrap {
  display: none;
}

.calendar-page.is-view-list .calendar-mobile-list,
.calendar-page.is-view-week .calendar-mobile-list {
  display: block;
}

.calendar-page.is-view-list .calendar-mobile-list,
.calendar-page.is-view-week .calendar-mobile-list {
  margin-top: 0.95rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.calendar-page.is-view-list .calendar-mobile-title,
.calendar-page.is-view-week .calendar-mobile-title {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  font-family: 'Chakra Petch', sans-serif;
  color: var(--ink-strong);
}

.calendar-page.is-view-list .calendar-mobile-empty,
.calendar-page.is-view-week .calendar-mobile-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.calendar-page.is-view-list .calendar-mobile-day,
.calendar-page.is-view-week .calendar-mobile-day {
  margin: 0.85rem 0 0.45rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.79rem;
  color: var(--acm-deep);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.calendar-page.is-view-list .calendar-mobile-event,
.calendar-page.is-view-week .calendar-mobile-event {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0.72rem 0.72rem;
  margin: 0 0 0.45rem;
  border-radius: 0.3rem;
  color: var(--ink-strong);
}

.calendar-page.is-view-list .calendar-mobile-event span,
.calendar-page.is-view-week .calendar-mobile-event span {
  display: block;
  font-weight: 700;
  line-height: 1.25;
}

.calendar-page.is-view-list .calendar-mobile-event small,
.calendar-page.is-view-week .calendar-mobile-event small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  line-height: 1.3;
}

@media (max-width: 760px) {
  .calendar-surface {
    padding: 0.8rem;
  }

  .calendar-view-switch #monthViewBtn {
    display: none;
  }
}

body.modal-open {
  overflow: hidden;
}

.event-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 200;
}

.event-modal[aria-hidden="false"] {
  display: block;
}

.event-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(29, 43, 50, 0.52);
}

.event-modal-card {
  position: relative;
  width: min(680px, calc(100% - 1.2rem));
  max-height: calc(100vh - 2rem);
  overflow: auto;
  margin: 1rem auto;
  background: var(--paper);
  border: 2px solid var(--acm-deep);
  border-radius: 0.35rem;
  padding: 1rem 1rem 1.1rem;
}

.event-modal-close {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink-strong);
}

.event-modal-eyebrow {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-modal-card h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
}

.event-modal-meta {
  margin: 0.2rem 0;
  color: var(--muted);
}

.event-modal-description {
  margin: 0.8rem 0 0;
  color: var(--ink);
}

.event-modal-description p {
  margin: 0 0 0.65rem;
}

.event-modal-description ul {
  margin: 0 0 0.75rem 1.15rem;
  padding: 0;
}

.event-modal-description a {
  color: var(--acm);
  text-decoration: underline;
  word-break: break-word;
}

.event-modal-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.meetup-detail,
.meetup-events {
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: 0.35rem;
  padding: 1.1rem;
}

.meetup-events {
  margin-top: 1rem;
}

.meetup-detail-top {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(100px, 140px) 1fr;
  align-items: start;
}

.meetup-detail-logo {
  width: 100%;
  max-width: 140px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  background: var(--paper);
  padding: 0.35rem;
}

.meetup-detail-description {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.meetup-events-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.meetup-events-head h2 {
  margin: 0;
}

.meetup-events-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.meetup-events-list {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.5rem;
}

.meetup-event-row {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 0.28rem;
  background: var(--surface);
  color: var(--ink-strong);
  padding: 0.65rem 0.7rem;
  cursor: pointer;
}

.meetup-event-row span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 0.15rem;
}

.meetup-event-row strong {
  display: block;
}

.meetup-events-empty {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

@media (max-width: 760px) {
  .calendar-header-row {
    align-items: stretch;
  }

  .calendar-view-switch {
    width: 100%;
  }

  .calendar-view-switch button {
    flex: 1;
    padding: 0.65rem 0.5rem;
  }

  .calendar-controls {
    justify-content: space-between;
  }

  .calendar-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 0.72rem 0.95rem;
  }

  .calendar-grid-wrap {
    display: none;
  }

  .calendar-mobile-list {
    display: block;
    margin-top: 0.95rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--line);
  }

  .calendar-mobile-title {
    margin: 0 0 0.6rem;
    font-size: 1rem;
    font-family: 'Chakra Petch', sans-serif;
    color: var(--ink-strong);
  }

  .calendar-mobile-empty {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
  }

  .calendar-mobile-day {
    margin: 0.85rem 0 0.45rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.79rem;
    color: var(--acm-deep);
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  .calendar-mobile-event {
    width: 100%;
    text-align: left;
    border: 1px solid var(--line);
    background: var(--surface);
    padding: 0.72rem 0.72rem;
    margin: 0 0 0.45rem;
    border-radius: 0.3rem;
    color: var(--ink-strong);
  }

  .calendar-mobile-event span {
    display: block;
    font-weight: 700;
    line-height: 1.25;
  }

  .calendar-mobile-event small {
    display: block;
    margin-top: 0.2rem;
    color: var(--muted);
    line-height: 1.3;
  }

  .event-modal-card {
    width: 100%;
    max-height: 82vh;
    margin: auto 0 0;
    border-radius: 0.8rem 0.8rem 0 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    padding: 1rem 0.9rem 1.1rem;
  }

  .event-modal-close {
    top: 0.35rem;
    right: 0.5rem;
    font-size: 1.8rem;
    padding: 0.2rem 0.45rem;
  }

  .event-modal-actions .button {
    width: 100%;
    text-align: center;
    display: inline-block;
    min-height: 44px;
    padding-top: 0.72rem;
    padding-bottom: 0.72rem;
  }

  .meetup-detail,
  .meetup-events {
    padding: 0.9rem;
  }

  .meetup-detail-top {
    grid-template-columns: 1fr;
  }

  .meetup-detail-logo {
    max-width: 120px;
  }
}