:root {
  --ink: #142534;
  --muted: #536773;
  --paper: #ffffff;
  --surface: #f2f7f9;
  --surface-2: #e5f0f4;
  --line: #d4e2e8;
  --accent: #1475a6;
  --accent-dark: #0b567d;
  --accent-soft: #e4f3fa;
  --gold: #67b52f;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(23, 32, 42, .10);
  --radius: 22px;
  --radius-small: 12px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
}
a { color: var(--accent); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--accent-dark); }
img, svg { max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { max-width: 820px; }
.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--accent-dark);
  color: var(--white);
  padding: .6rem .9rem;
  border-radius: 0 0 .5rem .5rem;
  z-index: 1000;
}
.skip-link:focus { top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212, 226, 232, .9);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; color: var(--ink); letter-spacing: -.02em; }
.brand-mark { display: block; width: 48px; height: 48px; flex: 0 0 48px; }
.brand-mark img { display: block; width: 100%; height: 100%; }
.brand-text { display: grid; line-height: 1.05; gap: .24rem; }
.brand-text strong { font-size: 1rem; font-weight: 850; }
.brand-text small { color: var(--muted); font-size: .67rem; font-weight: 700; letter-spacing: .015em; }
.site-nav { display: flex; align-items: center; gap: .2rem; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: .94rem; font-weight: 650; padding: .7rem .75rem; border-radius: 999px; }
.site-nav a:hover, .site-nav a.active { background: var(--surface); color: var(--accent-dark); }
.site-nav .nav-button { background: var(--accent-dark); color: var(--white); margin-left: .35rem; padding-inline: 1rem; }
.site-nav .nav-button:hover { background: var(--ink); color: var(--white); }
.nav-toggle { display: none; border: 0; background: transparent; padding: .5rem; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--ink); margin: 5px 0; }

.hero { padding: clamp(4rem, 7vw, 7rem) 0 clamp(3rem, 5vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.hero h1 { font-size: clamp(2.7rem, 6vw, 5.4rem); line-height: .96; letter-spacing: -.065em; margin: .25rem 0 1.35rem; max-width: 900px; }
.lead { font-size: clamp(1.18rem, 2vw, 1.45rem); color: var(--muted); max-width: 780px; }
.kicker, .eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 800; color: var(--accent); margin: 0 0 .75rem; }
.hero-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.8rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  border-radius: 999px;
  padding: .86rem 1.18rem;
  text-decoration: none;
  font-weight: 800;
  font-size: .98rem;
  border: 1px solid transparent;
  min-height: 46px;
}
.button-primary { background: var(--accent); color: var(--white); box-shadow: 0 12px 28px rgba(20, 117, 166, .2); }
.button-primary:hover { background: var(--accent-dark); color: var(--white); }
.button-secondary { background: transparent; color: var(--accent-dark); border-color: var(--line); }
.button-secondary:hover { background: var(--surface); color: var(--accent-dark); }
.statement-card {
  background: var(--accent-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: var(--shadow);
  transform: rotate(-1.25deg);
}
.statement-card .eyebrow { color: var(--accent-soft); }
.statement-card p:last-child { font-size: 1.2rem; margin: 0; }

.section { padding: clamp(3.2rem, 6vw, 5.5rem) 0; }
.surface { background: var(--surface); }
.highlight { background: linear-gradient(135deg, var(--accent-soft), #eef8e9); }
.two-column { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(2rem, 5vw, 5rem); }
.align-center { align-items: center; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.05; letter-spacing: -.045em; margin: 0 0 1rem; }
h3 { font-size: 1.25rem; line-height: 1.18; letter-spacing: -.025em; margin: 0 0 .7rem; }
p { margin-top: 0; }
.small, .form-note, .table-note { font-size: .92rem; color: var(--muted); }
.notice { background: rgba(255,255,255,.58); border-left: 4px solid var(--accent); padding: 1rem; border-radius: 0 var(--radius-small) var(--radius-small) 0; }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading.split { display: flex; align-items: end; justify-content: space-between; gap: 1rem; max-width: none; }
.card-grid { display: grid; gap: 1.1rem; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(212, 226, 232, .95);
  border-radius: var(--radius);
  padding: 1.35rem;
  min-height: 100%;
  box-shadow: 0 5px 25px rgba(23,32,42,.04);
}
.surface .card { background: rgba(255,255,255,.86); }
.card p:last-child { margin-bottom: 0; }
.card-action { margin-top: 1rem; font-weight: 800; }
.content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.content-block { background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem; }
.check-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.check-list li { position: relative; padding-left: 1.8rem; margin: .55rem 0; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .45rem; width: .72rem; height: .72rem; border-radius: 50%; background: var(--accent); }
.link-list li { margin: .55rem 0; }
.press-strip { display: flex; flex-wrap: wrap; gap: .75rem; }
.press-strip a { display: inline-flex; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 999px; background: var(--white); text-decoration: none; font-weight: 800; color: var(--ink); }
.press-strip a:hover { border-color: var(--accent); color: var(--accent-dark); }
.stats-band { background: var(--ink); color: var(--white); padding: 2.2rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; text-align: center; }
.stats-grid strong { display: block; font-size: 2rem; line-height: 1; }
.stats-grid span { display: block; color: #d9e6e8; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { text-align: left; padding: 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--accent-dark); color: var(--white); font-size: .9rem; }
tr:last-child td { border-bottom: 0; }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); box-shadow: var(--shadow); }
label { display: block; font-weight: 800; margin-bottom: 1rem; }
input, select, textarea { width: 100%; margin-top: .4rem; border: 1px solid #c9bdae; border-radius: 12px; padding: .8rem .9rem; font: inherit; color: var(--ink); background: var(--paper); }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, .button:focus, a:focus, button:focus { outline: 3px solid rgba(20, 117, 166, .28); outline-offset: 3px; }
.checkbox-row { display: flex; align-items: flex-start; gap: .6rem; font-weight: 650; }
.checkbox-row input { width: auto; margin-top: .35rem; }
.hidden { display: none; }
.site-footer { background: #102c3b; color: #edf5f7; padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.footer-brand { color: var(--white); font-size: 1.3rem; font-weight: 850; text-decoration: none; }
.site-footer h2 { font-size: .86rem; letter-spacing: .13em; text-transform: uppercase; margin-top: .2rem; color: #cde4e9; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: .45rem 0; }
.site-footer a { color: #edf5f7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2rem; padding-top: 1.3rem; display: grid; grid-template-columns: 1fr 1.4fr; gap: 1rem; color: #bfcdd0; font-size: .88rem; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    position: fixed;
    inset: 78px 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .75rem;
    box-shadow: var(--shadow);
  }
  body.nav-open .site-nav { display: flex; }
  .site-nav a { border-radius: var(--radius-small); }
  .site-nav .nav-button { margin-left: 0; }
  .hero-grid, .two-column, .footer-bottom { grid-template-columns: 1fr; }
  .card-grid.four, .card-grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .brand-text { max-width: 210px; line-height: 1.05; }
  .hero { padding-top: 3.3rem; }
  .card-grid.two, .card-grid.three, .card-grid.four, .content-grid, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
  .section-heading.split { align-items: start; flex-direction: column; }
  .statement-card { transform: none; }
}

.role-note {
  margin-top: 1.25rem;
  background: rgba(255,250,243,.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.role-note p:last-child { margin-bottom: 0; }

.video-feature { max-width: 920px; margin-inline: auto; }
.video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.video-card {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(212, 226, 232, .95);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 5px 25px rgba(23,32,42,.04);
}
.video-frame { position: relative; aspect-ratio: 16 / 9; background: var(--ink); overflow: hidden; border-radius: var(--radius); }
.video-card .video-frame { border-radius: 0; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-copy { padding: 1.15rem; }
.video-copy p:last-child { margin-bottom: 0; }
.people-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.person-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255,250,243,.74);
  border: 1px solid rgba(212, 226, 232, .95);
  border-radius: var(--radius);
  padding: 1.25rem;
  min-height: 100%;
}
.avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-weight: 850;
  font-size: .86rem;
  letter-spacing: .04em;
}
.person-card h3 { margin-bottom: .35rem; }
.person-card p:last-child { margin-bottom: 0; }

@media (max-width: 980px) {
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .video-grid, .people-grid { grid-template-columns: 1fr; }
}


/* WUD-aligned visual system */
body {
  background-image:
    radial-gradient(circle at 90% 7%, rgba(35,137,201,.05) 0 145px, transparent 146px),
    radial-gradient(circle at 90% 7%, transparent 0 175px, rgba(103,181,47,.055) 176px 185px, transparent 186px);
  background-repeat: no-repeat;
}
.hero { position: relative; overflow: hidden; }
.hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border: 18px solid rgba(103,181,47,.06);
  border-radius: 50%;
  right: -190px;
  bottom: -210px;
  pointer-events: none;
}
.legacy-badge {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  padding: .46rem .72rem;
  border: 1px solid #cfe4c3;
  border-radius: 999px;
  background: #f2f9ee;
  color: #3e781c;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .035em;
}
.legacy-dot {
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(103,181,47,.14);
}
.world-card {
  position: relative;
  min-height: 405px;
  overflow: hidden;
  border-radius: 32px;
  color: #fff;
  background: linear-gradient(150deg, #0d668f 0%, #0b567d 60%, #123649 100%);
  box-shadow: 0 24px 60px rgba(11,86,125,.18);
  border: 1px solid rgba(255,255,255,.16);
}
.world-card::before {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: rgba(103,181,47,.95);
  right: -92px;
  top: -78px;
}
.world-orbit {
  position: absolute;
  width: 235px;
  height: 235px;
  right: -25px;
  top: 32px;
  border: 3px solid rgba(255,255,255,.55);
  border-radius: 50%;
}
.world-orbit::before,
.world-orbit::after,
.world-orbit span {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.45);
}
.world-orbit::before { inset: 24px; }
.world-orbit::after { inset: 62px; border-width: 2px; }
.world-orbit span:nth-child(1) { left: 50%; top: 8px; width: 1px; height: 215px; border: 0; border-left: 1px solid rgba(255,255,255,.42); border-radius: 0; }
.world-orbit span:nth-child(2) { top: 50%; left: 8px; width: 215px; height: 1px; border: 0; border-top: 1px solid rgba(255,255,255,.42); border-radius: 0; }
.world-orbit span:nth-child(3) { width: 16px; height: 16px; background: #fff; border: 5px solid rgba(255,255,255,.25); right: 42px; bottom: 45px; }
.world-card-copy { position: relative; z-index: 2; padding: 2rem; max-width: 86%; }
.world-card-copy .eyebrow { color: #dff5d4; }
.world-card-copy > p:nth-child(2) { font-size: 1.22rem; line-height: 1.48; font-weight: 680; max-width: 390px; margin-top: 7.4rem; }
.wud-connection {
  display: grid;
  gap: .12rem;
  margin-top: 1.7rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,.2);
}
.wud-connection strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.13rem; font-weight: 600; }
.wud-connection span { font-size: .78rem; color: #d8eaf2; }
.card { position: relative; overflow: hidden; }
.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  opacity: .8;
}
.card-grid .card:nth-child(even)::before { background: var(--gold); }
.check-list li::before { background: var(--gold); }
.press-strip a:hover { border-color: var(--gold); }

/* Flagship World Usability Day page */
.hero-wud { background: linear-gradient(180deg, #f9fcfd 0%, #ffffff 100%); }
.wud-brand-card {
  position: relative;
  text-align: center;
  padding: 2rem 1.6rem 1.7rem;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.wud-brand-card::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 16px solid rgba(103,181,47,.08);
  left: -72px;
  bottom: -84px;
}
.wud-globe {
  width: 176px;
  height: 176px;
  border: 8px solid var(--gold);
  border-radius: 50%;
  margin: 0 auto 1.4rem;
  display: grid;
  place-items: center;
  background: #fff;
}
.wud-globe-inner {
  position: relative;
  width: 138px;
  height: 138px;
  background: #2389c9;
  border-radius: 50%;
  overflow: hidden;
}
.wud-globe-inner::before,
.wud-globe-inner::after,
.wud-globe-inner span {
  content: "";
  position: absolute;
  border: 2px solid rgba(255,255,255,.82);
  border-radius: 50%;
}
.wud-globe-inner::before { inset: 16px 38px; }
.wud-globe-inner::after { inset: 38px 16px; }
.wud-globe-inner span:nth-child(1) { left: 0; top: 67px; width: 138px; height: 1px; border: 0; border-top: 2px solid rgba(255,255,255,.82); border-radius: 0; }
.wud-globe-inner span:nth-child(2) { left: 67px; top: 0; width: 1px; height: 138px; border: 0; border-left: 2px solid rgba(255,255,255,.82); border-radius: 0; }
.wud-wordmark { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.75rem,3vw,2.2rem); color: #25313a; line-height: 1; }
.wud-tagline { margin: .65rem 0 .9rem; color: #508c27; font-weight: 850; letter-spacing: .03em; }
.wud-brand-card .small { max-width: 300px; margin-inline: auto; }
.wud-stats { background: linear-gradient(90deg, #0e628b, #1475a6); color: #fff; padding: 2rem 0; }
.wud-stats .stats-grid { text-align: left; }
.wud-stats .stats-grid > div { padding-left: 1rem; border-left: 4px solid #76c43a; }
.wud-stats .stats-grid strong { font-size: 2rem; }
.wud-stats .stats-grid span { color: #e5f3f8; }
.legacy-callout {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: .85rem;
  align-items: start;
  margin-top: 1.5rem;
  padding: 1.1rem;
  background: #f2f9ee;
  border: 1px solid #d2e8c6;
  border-radius: var(--radius-small);
}
.legacy-callout p { margin: 0; }
.legacy-callout-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #2389c9;
  border: 5px solid #67b52f;
  box-shadow: inset 0 0 0 3px #fff;
}

@media (max-width: 980px) {
  .brand-text small { display: none; }
  .world-card { min-height: 350px; }
  .world-card-copy > p:nth-child(2) { margin-top: 6rem; }
}
@media (max-width: 680px) {
  .brand-mark { width: 42px; height: 42px; flex-basis: 42px; }
  .brand-text strong { font-size: .92rem; }
  .world-card { min-height: 330px; }
  .world-card-copy { max-width: 100%; padding: 1.5rem; }
  .world-card-copy > p:nth-child(2) { margin-top: 5.7rem; font-size: 1.08rem; }
  .world-orbit { width: 190px; height: 190px; }
  .wud-stats .stats-grid { text-align: left; }
  .wud-stats .stats-grid > div { border-left-width: 3px; }
}