:root {
  --blue: #2f6688;
  --blue-dark: #174760;
  --blue-ink: #0c2d3f;
  --maroon: #7f1f22;
  --gold: #e7c75a;
  --gold-soft: #f5e7a6;
  --paper: #ffffff;
  --mist: #edf4f6;
  --line: #d7e2e6;
  --text: #26333a;
  --muted: #667780;
  --green: #31786c;
  --shadow: 0 18px 40px rgba(18, 43, 58, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  background: var(--mist);
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  background: var(--paper);
  box-shadow: 0 2px 12px rgba(8, 30, 43, 0.12);
  position: sticky;
  top: 0;
  z-index: 20;
}

.utility-bar {
  min-height: 46px;
  background: var(--blue);
  color: var(--paper);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0 10vw;
}

.utility-bar nav {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

.utility-bar a,
.nav-links a,
.brand {
  text-decoration: none;
}

.main-nav {
  min-height: 132px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "brand search search"
    "brand links links";
  align-items: center;
  gap: 20px 48px;
  padding: 20px 10vw 26px;
}

.brand {
  grid-area: brand;
  display: grid;
  width: min-content;
  color: var(--blue);
}

.brand-mark {
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 0.72;
  letter-spacing: 0;
  font-weight: 300;
}

.brand-mark::first-letter {
  color: var(--blue-dark);
}

.brand-sub {
  margin-left: 64%;
  margin-top: -4px;
  width: 132px;
  color: var(--maroon);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 0.95;
}

.nav-links {
  grid-area: links;
  display: flex;
  justify-content: flex-end;
  gap: 34px;
  color: var(--maroon);
  font-size: 1.05rem;
  font-weight: 800;
}

.nav-links a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 7px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  vertical-align: middle;
}

.site-search {
  grid-area: search;
  justify-self: end;
  display: flex;
  height: 42px;
}

.site-search input {
  width: min(280px, 34vw);
  border: 1px solid #7f8a90;
  border-right: 0;
  padding: 0 16px;
  font-size: 0.9rem;
}

.site-search button {
  border: 0;
  width: 56px;
  background: var(--blue);
  color: var(--paper);
  font-weight: 800;
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: min(760px, calc(100vh - 120px));
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(11, 48, 70, 0.93), rgba(21, 88, 121, 0.74) 48%, rgba(15, 47, 67, 0.78)),
    url("assets/reference-hosa-screenshot.png") center bottom / 150% auto no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(30deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(120deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.6;
}

.hero-content {
  position: relative;
  width: min(860px, 90vw);
  margin-left: 10vw;
  padding: 70px 0 118px;
  color: var(--paper);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-band h2 {
  margin: 0;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.98;
  font-weight: 900;
}

.hero p:not(.eyebrow) {
  max-width: 720px;
  margin: 28px 0 0;
  font-size: clamp(1.2rem, 2.3vw, 2rem);
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  padding: 0 22px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--gold);
  color: var(--blue-ink);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.72);
  color: var(--paper);
}

.button.compact {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--paper);
  min-height: 42px;
  align-self: end;
}

.band {
  padding: 72px 10vw;
}

.white {
  background: var(--paper);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading h2,
.contact-band h2 {
  color: var(--blue-ink);
  font-size: clamp(2rem, 3.8vw, 3.5rem);
  line-height: 1.04;
}

.section-heading > p:not(.eyebrow),
.contact-band > div > p {
  color: var(--muted);
  font-size: 1.05rem;
}

.intro-band {
  background: var(--paper);
}

.intro-grid,
.steps,
.meeting-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid article,
.steps article,
.meeting-board article,
.contact-card,
.event-card,
.timeline-item {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(18, 43, 58, 0.08);
}

.intro-grid article,
.steps article,
.meeting-board article {
  padding: 24px;
}

.stat {
  color: var(--maroon);
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1;
}

h3 {
  margin: 10px 0 8px;
  color: var(--blue-ink);
}

.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.steps span {
  color: var(--maroon);
  font-weight: 900;
}

.calendar-band {
  background: #e8f0f3;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.timeline-item {
  min-height: 212px;
  padding: 22px;
  border-top: 7px solid var(--blue);
}

.timeline-item.urgent {
  border-top-color: var(--maroon);
}

.timeline-item.future {
  border-top-color: var(--green);
}

.timeline-date {
  color: var(--maroon);
  font-weight: 900;
  text-transform: uppercase;
}

.prep-band {
  background: var(--paper);
}

.filters {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) minmax(180px, 1fr) minmax(160px, 0.8fr) auto auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
}

.filters label {
  display: grid;
  gap: 6px;
  color: var(--blue-ink);
  font-weight: 800;
}

.filters input,
.filters select {
  min-height: 42px;
  border: 1px solid #aab8be;
  padding: 0 12px;
  font: inherit;
  background: var(--paper);
}

.check-filter {
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
  min-height: 42px;
}

.check-filter input {
  min-height: auto;
  width: 18px;
  height: 18px;
}

.result-count {
  color: var(--muted);
  font-weight: 700;
  margin: 8px 0 18px;
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.event-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border-left: 7px solid var(--blue);
}

.event-card[data-category="Health Professions Events"] {
  border-left-color: var(--green);
}

.event-card[data-category="Emergency Preparedness Events"] {
  border-left-color: var(--maroon);
}

.event-card[data-category="Leadership Events"] {
  border-left-color: #8a5d9c;
}

.event-card[data-category="Teamwork Events"] {
  border-left-color: #d28732;
}

.event-card[data-category="Recognition Events"],
.event-card[data-category="Academic Testing Center Events"] {
  border-left-color: var(--gold);
}

.event-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.event-code {
  flex: 0 0 auto;
  min-width: 52px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-dark);
  color: var(--paper);
  font-weight: 900;
}

.event-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.pill {
  background: #eef3f5;
  border: 1px solid var(--line);
  color: var(--blue-ink);
  padding: 4px 8px;
  font-size: 0.78rem;
  font-weight: 800;
}

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

.event-card a {
  color: var(--maroon);
  font-weight: 900;
}

.meeting-board {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 36px;
  align-items: center;
  background: var(--blue-ink);
  color: var(--paper);
}

.contact-band h2,
.contact-band p,
.contact-card p {
  color: var(--paper);
}

.contact-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}

.sources-band {
  background: var(--paper);
}

.sources-list {
  display: grid;
  gap: 12px;
  padding-left: 20px;
}

.sources-list a {
  color: var(--maroon);
  font-weight: 800;
}

.site-footer {
  padding: 26px 10vw;
  background: var(--blue);
  color: var(--paper);
  font-weight: 700;
}

@media (max-width: 1100px) {
  .main-nav {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand toggle"
      "search search"
      "links links";
    gap: 18px;
  }

  .menu-toggle {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 42px;
    border: 1px solid var(--line);
    background: var(--paper);
    color: var(--maroon);
    font-weight: 900;
  }

  .nav-links {
    display: none;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .nav-links.open {
    display: flex;
  }

  .site-search {
    justify-self: stretch;
  }

  .site-search input {
    width: 100%;
  }

  .steps,
  .meeting-board,
  .event-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .utility-bar {
    padding: 0 22px;
    justify-content: center;
  }

  .utility-bar nav {
    gap: 12px;
    font-size: 0.78rem;
  }

  .main-nav,
  .band,
  .site-footer {
    padding-left: 22px;
    padding-right: 22px;
  }

  .main-nav {
    min-height: 0;
  }

  .brand-mark {
    font-size: 4.3rem;
  }

  .brand-sub {
    margin-left: 58%;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    width: auto;
    margin: 0 22px;
    padding-bottom: 84px;
  }

  .intro-grid,
  .steps,
  .meeting-board,
  .event-grid,
  .filters,
  .timeline,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .timeline {
    overflow-x: visible;
  }

  .nav-links {
    gap: 16px;
  }
}