/* AI for the Blind Corp — accessible static site */
:root {
  --ink: #0d1b2a;
  --ink-soft: #334155;
  --paper: #ffffff;
  --paper-alt: #f4f8fb;
  --navy: #0b2d4d;
  --navy-2: #123f69;
  --teal: #006d77;
  --gold: #f0b429;
  --gold-dark: #9a6700;
  --green: #13795b;
  --red: #a61b1b;
  --border: #cbd5e1;
  --shadow: 0 12px 30px rgba(13, 27, 42, .12);
  --radius: 1rem;
  --max: 74rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
}
img { max-width: 100%; height: auto; }
a { color: #005ea8; text-underline-offset: .16em; text-decoration-thickness: .09em; }
a:hover { text-decoration-thickness: .16em; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: .22rem solid var(--gold); outline-offset: .2rem; }

.skip-link {
  position: absolute; left: .75rem; top: -5rem; z-index: 9999;
  background: #fff; color: #000; padding: .8rem 1rem; border: 3px solid #000; font-weight: 800;
}
.skip-link:focus { top: .75rem; }

.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 50rem); margin-inline: auto; }

.site-header { background: var(--navy); color: #fff; border-bottom: .3rem solid var(--gold); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 5rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; color: #fff; text-decoration: none; font-weight: 900; letter-spacing: .01em; }
.brand img { width: 2.65rem; height: 2.65rem; }
.brand span { display: grid; line-height: 1.08; }
.brand small { font-size: .73rem; font-weight: 650; color: #dbeafe; letter-spacing: .03em; }
.nav-toggle { display: none; border: 2px solid #fff; background: transparent; color: #fff; border-radius: .55rem; padding: .55rem .75rem; font-weight: 800; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .25rem; }
.site-nav a { color: #fff; text-decoration: none; font-weight: 700; padding: .75rem .7rem; border-radius: .45rem; display: inline-block; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: rgba(255,255,255,.14); text-decoration: underline; text-underline-offset: .22em; }
.site-nav .nav-cta { background: var(--gold); color: #141414; }
.site-nav .nav-cta:hover { background: #ffd66b; }

.hero {
  background: linear-gradient(135deg, #0b2d4d 0%, #124d67 55%, #0d6b6e 100%);
  color: #fff;
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
  overflow: hidden;
}
.hero::after { content: ""; position: absolute; width: 26rem; height: 26rem; border: 3.5rem solid rgba(255,255,255,.06); border-radius: 50%; right: -10rem; top: -8rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(17rem, .65fr); gap: 3rem; align-items: center; position: relative; z-index: 1; }
.eyebrow { display: inline-block; color: var(--gold); font-weight: 900; text-transform: uppercase; letter-spacing: .09em; font-size: .82rem; margin-bottom: .65rem; }
h1, h2, h3 { line-height: 1.14; color: var(--ink); }
.hero h1 { color: #fff; font-size: clamp(2.45rem, 6vw, 5.1rem); margin: 0 0 1rem; letter-spacing: -.035em; max-width: 13ch; }
.hero p { font-size: clamp(1.15rem, 2vw, 1.38rem); max-width: 43rem; color: #eef6ff; }
.page-hero { background: var(--paper-alt); border-bottom: 1px solid var(--border); padding: 3.25rem 0; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 4.1rem); margin: .3rem 0 1rem; letter-spacing: -.025em; }
.page-hero p { max-width: 50rem; font-size: 1.25rem; color: var(--ink-soft); }

.button-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: .75rem 1.1rem; border-radius: .6rem; border: 2px solid transparent; font-weight: 850; text-decoration: none; line-height: 1.2; }
.button-primary { background: var(--gold); color: #111; }
.button-primary:hover { background: #ffd66b; text-decoration: underline; }
.button-secondary { background: #fff; color: var(--navy); }
.button-secondary:hover { background: #eef6ff; }
.button-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.button-outline:hover { background: #eaf2f8; }

.hero-card { background: rgba(255,255,255,.98); color: var(--ink); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; }
.hero-card h2 { margin-top: 0; }
.check-list { padding: 0; margin: 1rem 0 0; list-style: none; }
.check-list li { padding-left: 1.75rem; position: relative; margin: .55rem 0; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: -.05rem; font-weight: 900; color: var(--green); }

section { padding: 4.25rem 0; }
.section-alt { background: var(--paper-alt); }
.section-heading { max-width: 48rem; margin-bottom: 2rem; }
.section-heading h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin: 0 0 .7rem; letter-spacing: -.02em; }
.section-heading p { color: var(--ink-soft); font-size: 1.12rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: -2rem; position: relative; z-index: 3; }
.stat { background: #fff; border: 1px solid var(--border); border-top: .32rem solid var(--gold); border-radius: .8rem; box-shadow: var(--shadow); padding: 1.25rem; }
.stat strong { display: block; font-size: 2rem; line-height: 1.1; color: var(--navy); }
.stat span { color: var(--ink-soft); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; padding: 1.45rem; box-shadow: 0 8px 22px rgba(13,27,42,.07); }
.card h3 { margin-top: .25rem; font-size: 1.35rem; }
.card p { color: var(--ink-soft); }
.card .tag { display: inline-block; background: #e7f7f5; color: #064e4f; border-radius: 999px; padding: .22rem .65rem; font-weight: 800; font-size: .8rem; }
.card .text-link { font-weight: 850; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.callout { background: #eef6ff; border-left: .35rem solid #1769aa; border-radius: .35rem .8rem .8rem .35rem; padding: 1rem 1.15rem; }
.callout.warning { background: #fff7df; border-left-color: var(--gold-dark); }
.callout.success { background: #eaf7f1; border-left-color: var(--green); }
.callout strong { color: var(--ink); }

.steps { counter-reset: steps; display: grid; gap: 1rem; margin: 1.5rem 0; }
.step { counter-increment: steps; border: 1px solid var(--border); border-radius: .8rem; padding: 1.1rem 1.1rem 1.1rem 4rem; position: relative; background: #fff; }
.step::before { content: counter(steps); position: absolute; left: 1rem; top: 1rem; width: 2.1rem; height: 2.1rem; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; font-weight: 900; }
.step h3 { margin: 0 0 .35rem; font-size: 1.15rem; }
.step p { margin: 0; color: var(--ink-soft); }

.city-list { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; list-style: none; }
.city-list li { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: .45rem .8rem; font-weight: 750; }

.quote { font-size: 1.35rem; border-left: .4rem solid var(--gold); padding: .3rem 0 .3rem 1.2rem; margin: 2rem 0; color: var(--navy); font-weight: 700; }

.detail-list { display: grid; gap: .6rem; }
.detail-list div { display: grid; grid-template-columns: minmax(10rem, .35fr) 1fr; gap: 1rem; border-bottom: 1px solid var(--border); padding: .75rem 0; }
.detail-list dt { font-weight: 850; }
.detail-list dd { margin: 0; }

.letter { border: 1px solid var(--border); background: #fff; padding: .8rem; border-radius: .8rem; box-shadow: var(--shadow); }
.letter figcaption { color: var(--ink-soft); font-size: .95rem; margin-top: .7rem; }

.faq details { border: 1px solid var(--border); border-radius: .7rem; background: #fff; margin: .8rem 0; padding: .9rem 1rem; }
.faq summary { font-weight: 850; cursor: pointer; }
.faq details[open] summary { margin-bottom: .65rem; }

.cta-band { background: var(--navy); color: #fff; padding: 3.4rem 0; }
.cta-band h2 { color: #fff; margin-top: 0; font-size: clamp(1.8rem, 4vw, 2.8rem); }
.cta-band p { color: #dcecff; max-width: 48rem; }

.site-footer { background: #071d30; color: #d9e5ef; padding: 3rem 0 1.3rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 2rem; }
.site-footer h2, .site-footer h3 { color: #fff; }
.site-footer a { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: .45rem 0; }
.footer-bottom { border-top: 1px solid #34506a; margin-top: 2rem; padding-top: 1.2rem; font-size: .93rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

.prose { max-width: 52rem; }
.prose h2 { margin-top: 2.4rem; }
.prose h3 { margin-top: 1.8rem; }
.prose li { margin: .4rem 0; }
.kicker { font-weight: 800; color: var(--teal); }
.small { font-size: .93rem; color: var(--ink-soft); }

.notice { border: 2px solid var(--border); border-radius: .8rem; padding: 1rem 1.15rem; background: #fff; }
.notice h2, .notice h3 { margin-top: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--border); padding: .75rem; text-align: left; vertical-align: top; }
th { background: var(--navy); color: #fff; }

form { display: grid; gap: 1rem; }
label { font-weight: 800; }
input, textarea, select { width: 100%; border: 2px solid #94a3b8; border-radius: .5rem; padding: .72rem .8rem; background: #fff; color: #111; }
textarea { min-height: 10rem; }
.form-note { font-size: .92rem; color: var(--ink-soft); }

@media (max-width: 900px) {
  .hero-grid, .two-col, .footer-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; left: 0; right: 0; top: 5rem; background: var(--navy); z-index: 20; border-bottom: .3rem solid var(--gold); padding: .5rem 1rem 1rem; display: none; }
  .site-nav.is-open { display: block; }
  .site-nav ul { display: grid; }
  .site-nav a { width: 100%; }
  .site-header { position: relative; }
}
@media (max-width: 620px) {
  body { font-size: 1rem; }
  .cards, .stats { grid-template-columns: 1fr; }
  .hero { padding-top: 3rem; }
  .detail-list div { grid-template-columns: 1fr; gap: .15rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (prefers-contrast: more) {
  :root { --ink-soft: #111; --border: #555; }
  .card, .stat, .notice, .step { border-width: 2px; }
}
@media print {
  .site-header, .site-footer, .button-row, .cta-band { display: none !important; }
  body { color: #000; }
  a { color: #000; }
}