/* AIDATech — palette drawn from the Chicago flag */
:root {
  --paper: #ffffff;
  --mist: #f1f7fb;
  --sky: #b3ddf2;
  --sky-deep: #5c9fc6;
  --ink: #14213d;
  --ink-soft: #46536f;
  --star: #e4002b;
  --line: #d5e3ec;
  --field: #ffffff;
  color-scheme: light;
  --wide: "wdth" 118;
  --narrow: "wdth" 90;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0e1730;
    --mist: #142142;
    --sky: #2b5a7a;
    --sky-deep: #7cc2ea;
    --ink: #eaf2f8;
    --ink-soft: #a9b8cc;
    --star: #ff4d65;
    --line: #26375c;
    --field: #0b1328;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}
img, svg { max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--sky-deep); outline-offset: 3px; border-radius: 2px; }

.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }

/* Header */
.site-header { padding-block: 1.25rem; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 700; font-size: 1.15rem; font-variation-settings: var(--wide); letter-spacing: -.01em; }
.brand svg { width: 2rem; height: 2rem; flex: none; }
.brand small { display: block; font-weight: 400; font-size: .78rem; color: var(--ink-soft); font-variation-settings: "wdth" 100; letter-spacing: 0; }
.nav { display: flex; gap: 1.5rem; align-items: center; font-size: .95rem; }
.nav a { text-decoration: none; }
.nav a:not(.btn):hover { text-decoration: underline; text-underline-offset: 4px; }

.btn {
  display: inline-block; text-decoration: none; cursor: pointer;
  font: inherit; font-weight: 600; font-size: .98rem;
  padding: .75rem 1.3rem; border-radius: 6px; border: 2px solid var(--ink);
  background: var(--ink); color: var(--paper);
}
.btn:hover { background: var(--star); border-color: var(--star); color: #fff; }
.btn-quiet { background: transparent; color: var(--ink); }
.btn-quiet:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* Hero — the two sky stripes of the Chicago flag run through it */
.hero { position: relative; padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 7vw, 6rem); overflow: hidden; }
.hero::before, .hero::after {
  content: ""; position: absolute; left: 0; right: 0; height: clamp(14px, 2.2vw, 26px); background: var(--sky); z-index: -1;
}
.hero::before { top: 38%; }
.hero::after { top: calc(38% + clamp(42px, 6vw, 74px)); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 {
  margin: 0 0 1.25rem; font-weight: 800; line-height: .98; letter-spacing: -.025em;
  font-size: clamp(2.6rem, 6.2vw, 4.9rem); font-variation-settings: var(--wide);
}
.hero-copy p { max-width: 34rem; color: var(--ink-soft); font-size: 1.12rem; margin: 0 0 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.diagram { background: var(--paper); border: 2px solid var(--ink); border-radius: 14px; padding: 1rem; }
.diagram svg { display: block; width: 100%; height: auto; }
.diagram figcaption { font-size: .85rem; color: var(--ink-soft); padding: .5rem .25rem 0; }
.d-box { fill: var(--mist); stroke: var(--ink); stroke-width: 1.5; }
.d-core { fill: var(--ink); }
.d-text { fill: var(--ink); font: 600 13px "Archivo", Arial, sans-serif; }
.d-core-text { fill: var(--paper); font: 700 14px "Archivo", Arial, sans-serif; }
.d-small { fill: var(--ink-soft); font: 400 11px "Archivo", Arial, sans-serif; }
.d-link { fill: none; stroke: var(--sky-deep); stroke-width: 2; }
.d-pulse { fill: var(--star); }
.d-star { fill: var(--star); }

@media (prefers-reduced-motion: no-preference) {
  .d-link { stroke-dasharray: 220; stroke-dashoffset: 220; animation: draw .9s ease-out forwards; }
  .d-link:nth-of-type(2) { animation-delay: .1s; } .d-link:nth-of-type(3) { animation-delay: .2s; }
  .d-link:nth-of-type(4) { animation-delay: .3s; } .d-link:nth-of-type(5) { animation-delay: .45s; }
  .d-link:nth-of-type(6) { animation-delay: .55s; } .d-link:nth-of-type(7) { animation-delay: .65s; }
  .d-pulse { opacity: 0; animation: show 0s 1.3s forwards; }
}
@media (prefers-reduced-motion: reduce) { .d-pulse { display: none; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes show { to { opacity: 1; } }

/* Sections */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.band { background: var(--mist); border-block: 1px solid var(--line); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); line-height: 1.1; letter-spacing: -.02em; margin: 0 0 1rem; font-weight: 750; font-variation-settings: var(--wide); }
h3 { font-size: 1.25rem; line-height: 1.25; margin: 0 0 .5rem; font-weight: 700; }
.lede { max-width: 40rem; color: var(--ink-soft); font-size: 1.1rem; margin: 0; }

.services { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 2.75rem; border-top: 2px solid var(--ink); }
.service { padding: 1.75rem 2rem 2rem 0; border-bottom: 1px solid var(--line); }
.service:nth-child(even) { padding: 1.75rem 0 2rem 2rem; border-left: 1px solid var(--line); }
.service p { margin: 0; color: var(--ink-soft); max-width: 32rem; }
.service-mark { display: block; width: 28px; height: 6px; background: var(--sky-deep); margin-bottom: 1rem; }

.about { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: start; }
.years { font-weight: 800; font-size: clamp(5rem, 13vw, 9rem); line-height: .8; letter-spacing: -.05em; font-variation-settings: "wdth" 125; color: var(--ink); }
.years span { display: block; font-size: 1rem; font-weight: 500; letter-spacing: 0; font-variation-settings: "wdth" 100; color: var(--ink-soft); margin-top: .9rem; line-height: 1.4; }
.about p { max-width: 38rem; margin: 0 0 1rem; color: var(--ink-soft); }

.cta { text-align: left; }
.cta .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 1.5rem; }
.cta p { margin: 0; color: var(--ink-soft); max-width: 34rem; }

/* Forms */
.form { display: grid; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
label { display: grid; gap: .35rem; font-weight: 600; font-size: .95rem; }
label .opt { font-weight: 400; color: var(--ink-soft); }
input, select, textarea {
  font: inherit; font-weight: 400; color: var(--ink); background: var(--field);
  border: 1.5px solid var(--ink-soft); border-radius: 6px; padding: .7rem .8rem; width: 100%;
}
textarea { min-height: 9rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid var(--sky-deep); outline-offset: 1px; border-color: var(--ink); }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: .5rem; }
legend { font-weight: 600; font-size: .95rem; margin-bottom: .35rem; }
.checks { display: flex; flex-wrap: wrap; gap: .5rem; }
.checks label { display: inline-flex; align-items: center; gap: .45rem; font-weight: 500; border: 1.5px solid var(--line); border-radius: 6px; padding: .45rem .75rem; cursor: pointer; }
.checks input { width: auto; accent-color: var(--star); }
.checks label:has(input:checked) { border-color: var(--ink); background: var(--mist); }
.form-status { min-height: 1.5rem; margin: 0; font-weight: 600; }
.form-status.ok { color: var(--ink); }
.form-status.err { color: var(--star); }
.hp { position: absolute; left: -9999px; }

.subscribe { display: flex; gap: .6rem; max-width: 28rem; }
.subscribe input { flex: 1; }

/* Get started page */
.page-head { padding-block: clamp(2rem, 5vw, 3.5rem) 1rem; }
.page-head h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); line-height: 1; letter-spacing: -.025em; margin: 0 0 1rem; font-weight: 800; font-variation-settings: var(--wide); }
.intake { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; padding-top: 1.5rem; }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; border-top: 2px solid var(--ink); }
.steps li { counter-increment: s; padding: 1.1rem 0 1.1rem 3rem; border-bottom: 1px solid var(--line); position: relative; color: var(--ink-soft); }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 1rem; width: 2rem; height: 2rem; border-radius: 50%; background: var(--sky); color: var(--ink); font-weight: 700; display: grid; place-items: center; }
.steps strong { color: var(--ink); display: block; }

/* Footer */
.site-footer { padding-block: 3rem 2.5rem; border-top: 2px solid var(--ink); font-size: .95rem; }
.site-footer .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: start; }
.site-footer h2 { font-size: 1.3rem; font-variation-settings: "wdth" 100; }
.site-footer p { margin: 0 0 .75rem; color: var(--ink-soft); }
.legal { grid-column: 1 / -1; font-size: .85rem; color: var(--ink-soft); padding-top: 1.5rem; border-top: 1px solid var(--line); }

@media (max-width: 860px) {
  .hero .wrap, .intake, .site-footer .wrap { grid-template-columns: 1fr; }
  .hero::before, .hero::after { display: none; }
  .diagram { padding: .5rem; }
  .services { grid-template-columns: 1fr; }
  .service, .service:nth-child(even) { padding: 1.5rem 0; border-left: 0; }
  .about { grid-template-columns: 1fr; }
  .nav .hide-sm { display: none; }
}
@media (max-width: 540px) {
  .form-row { grid-template-columns: 1fr; }
  .subscribe { flex-direction: column; }
}