/* Spaulding Labs. One page, one stylesheet, no scripts. */

:root {
  --bg: #000;
  --ink: #f5f5f7;
  --grey: #86868b;
  --dim: #55555a;
  --line: rgba(255, 255, 255, 0.14);
  --prompt: #6fc0c4;
  --font: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.4;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
h1, p { margin: 0; }

main {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: max(28px, env(safe-area-inset-top)) max(28px, env(safe-area-inset-right))
           max(28px, env(safe-area-inset-bottom)) max(28px, env(safe-area-inset-left));
  max-width: 1280px;
  margin: 0 auto;
}

.mark { display: flex; align-items: center; gap: 12px; margin: 0; font-family: var(--sans); font-size: 17px; font-weight: 400; letter-spacing: 0.02em; color: var(--ink); }

h1 {
  align-self: center;
  text-align: center;
  font-family: var(--sans);
  font-size: clamp(38px, 7.4vw, 104px);
  line-height: 1.06;
  font-weight: 300;
  letter-spacing: -0.035em;
}

footer {
  display: grid;
  gap: 9px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}
.line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 18px; }
.p { color: var(--prompt); width: 14px; flex: none; }
.also a, .mail { transition: color 0.3s; }
.also a:hover, .also a:focus-visible, .mail:hover, .mail:focus-visible { color: var(--ink); }
.mail { text-transform: none; letter-spacing: 0.04em; color: var(--ink); }
.legal { margin-top: 10px; font-size: 11px; color: var(--dim); }
a:focus-visible { outline: 1px solid var(--grey); outline-offset: 4px; }

/* Home: the focus areas, centered. */
.areas {
  align-self: center;
  justify-self: center;
  display: grid;
  gap: 0.12em;
  text-align: center;
  font-family: var(--sans);
  font-size: clamp(36px, 7vw, 92px);
  line-height: 1.08;
  font-weight: 300;
  letter-spacing: -0.035em;
}
.areas span { color: var(--dim); }
.areas a { transition: color 0.3s; }
.areas a:hover, .areas a:focus-visible { color: var(--prompt); }
a.mark { width: fit-content; }

/* Cyber page: headline with a line under it. */
.hero { align-self: start; padding: clamp(64px, 20vh, 200px) 0 64px; width: 100%; max-width: 760px; justify-self: center; display: grid; justify-items: center; gap: 28px; text-align: center; }
.sub { max-width: 28em; font: 300 clamp(16px, 2vw, 24px)/1.4 var(--sans); letter-spacing: -0.01em; color: var(--grey); }

.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 28px; margin-top: 8px; }
.tabs button, .tablink { font: 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey); background: none; border: 0; padding: 6px 0; cursor: pointer; transition: color 0.3s; }
.tabs button:hover, .tabs button:focus-visible, .tabs button[aria-expanded="true"], .tablink:hover, .tablink:focus-visible { color: var(--prompt); }
.panel { display: grid; gap: 22px; justify-items: center; text-align: center; width: 100%; padding-top: 12px; animation: arrive 0.6s ease; }
.panel[hidden] { display: none; }
.panel .big { font-size: clamp(20px, 2.6vw, 30px); }
.notice { max-width: 34em; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); font: 300 clamp(14px, 1.5vw, 16px)/1.7 var(--sans); color: var(--grey); }
.cta { margin-top: 8px; font: 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); border: 1px solid var(--line); padding: 12px 26px; transition: color 0.3s, border-color 0.3s; }
.cta:hover, .cta:focus-visible { color: var(--prompt); border-color: var(--prompt); }
.lede.long { text-align: left; max-width: 36em; }
.tags { max-width: 36em; font: 12px/1.8 var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--prompt); }
.lede { max-width: 34em; font: 300 clamp(15px, 1.7vw, 18px)/1.6 var(--sans); color: var(--grey); }
.block { display: grid; gap: 18px; justify-items: start; width: 100%; padding-top: 28px; margin-top: 16px; border-top: 1px solid var(--line); text-align: left; }
.block summary { position: relative; display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; list-style: none; cursor: pointer; font: 400 13px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); transition: color 0.3s; }
.block summary::-webkit-details-marker { display: none; }
.block summary::after { content: "+"; position: absolute; right: 0; color: var(--grey); font-size: 18px; }
.block[open] summary::after { content: "\2212"; }
.block summary:hover, .block summary:focus-visible { color: var(--prompt); }
.block[open] > * + * { margin-top: 18px; }
.block h2 { display: flex; gap: 10px; margin: 0; font: 400 12px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey); }
.block .lede.long { max-width: none; }
.points li a { display: grid; gap: 8px; transition: color 0.3s; }
.points li a:hover strong, .points li a:focus-visible strong { color: var(--prompt); }
.points li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.hero.page .points { width: 100%; text-align: left; }
.panel .points { width: 100%; text-align: left; margin-top: 4px; }

/* Cyber page: headline first, the rest below it. */
main.long { grid-template-rows: auto minmax(78vh, 1fr) auto auto; }
.sections { display: grid; gap: 64px; padding: 72px 0 80px; max-width: 960px; width: 100%; margin: 0 auto; }
.sections section { display: grid; gap: 22px; }
.sections h2 { display: flex; gap: 10px; margin: 0; font: 400 12px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey); }
.big { max-width: 24em; font-family: var(--sans); font-size: clamp(22px, 3.4vw, 40px); line-height: 1.25; font-weight: 300; letter-spacing: -0.02em; }
.points { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.points li { display: grid; align-content: start; gap: 8px; padding: 20px 0 22px; border-top: 1px solid var(--line); }
.points strong { font: 400 13px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); }
.points strong::before { content: "> "; color: var(--prompt); }
.points span { font: 300 16px/1.5 var(--sans); color: var(--grey); }

/* Edge AI page. */
.edge .big { max-width: 16em; font-size: clamp(28px, 4.6vw, 52px); line-height: 1.12; margin-bottom: 4px; }
.edge .block { margin-top: 40px; padding-top: 32px; }
.cards { text-align: left; list-style: none; margin: 14px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; width: 100%; }
.cards li > a, .cards li > div { display: grid; align-content: start; gap: 10px; height: 100%; padding: 22px; border: 1px solid var(--line); transition: border-color 0.3s, background 0.3s; }
.cards img { display: block; width: 100%; height: 260px; object-fit: cover; object-position: top; border-radius: 6px; margin-bottom: 6px; border: 1px solid var(--line); }
.cards strong { display: flex; justify-content: space-between; font: 400 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); }
.cards a strong::after { content: "\2197"; color: var(--grey); transition: color 0.3s; }
.cards span { font: 300 16px/1.5 var(--sans); color: var(--grey); }
.cards li > a:hover, .cards li > a:focus-visible { border-color: var(--prompt); background: rgba(111, 192, 196, 0.05); }
.cards a:hover strong::after, .cards a:focus-visible strong::after { color: var(--prompt); }
.rows { list-style: none; margin: 14px 0 0; padding: 0; width: 100%; }
.rows li { display: grid; grid-template-columns: 36px 1fr; gap: 6px 12px; padding: 20px 0; border-top: 1px solid var(--line); }
.rows li:last-child { border-bottom: 1px solid var(--line); }
.rows i { font: normal 12px var(--font); letter-spacing: 0.1em; color: var(--prompt); padding-top: 3px; }
.rows strong { font: 400 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); }
.rows span { grid-column: 2; font: 300 16px/1.5 var(--sans); color: var(--grey); }
@media (min-width: 720px) {
  .rows li { grid-template-columns: 36px 240px 1fr; align-items: baseline; }
  .rows span { grid-column: 3; }
}
.cards li:last-child:nth-child(odd) { grid-column: 1 / -1; }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

.drops { width: 100%; margin-top: 14px; border-bottom: 1px solid var(--line); }
.drop { border-top: 1px solid var(--line); }
.drop summary { position: relative; display: grid; grid-template-columns: 36px 1fr; align-items: baseline; gap: 12px; padding: 20px 28px 20px 0; list-style: none; cursor: pointer; }
.drop summary::-webkit-details-marker { display: none; }
.drop summary.nonum { grid-template-columns: 1fr; }
.drop summary i { font: normal 12px var(--font); letter-spacing: 0.1em; color: var(--prompt); }
.drop summary strong { font: 400 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); transition: color 0.3s; }
.drop summary::after { content: "+"; position: absolute; right: 0; top: 16px; font-size: 18px; color: var(--grey); }
.drop[open] summary::after { content: "\2212"; }
.drop summary:hover strong, .drop summary:focus-visible strong { color: var(--prompt); }
.drop p { margin: 0 0 16px 48px; max-width: 34em; font: 300 16px/1.6 var(--sans); color: var(--grey); }
.drop p:first-of-type { color: var(--ink); }
.drop[open] { padding-bottom: 8px; }

/* Contact form. */
.contact { align-self: center; justify-self: center; width: min(520px, 100%); display: grid; gap: 22px; }
.contact h1 { font-size: clamp(34px, 5vw, 56px); text-align: left; margin-bottom: 4px; }
.contact h1::after { content: none; }
.contact label { display: grid; gap: 8px; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey); }
.contact input, .contact textarea {
  font: 16px var(--sans); letter-spacing: 0; text-transform: none; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0;
  padding: 8px 0; outline: none; resize: vertical; transition: border-color 0.3s;
}
.contact input:focus, .contact textarea:focus { border-bottom-color: var(--prompt); }
.contact button { justify-self: start; font: 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); background: none; border: 0; padding: 0; cursor: pointer; transition: color 0.3s; }
.contact button:hover, .contact button:focus-visible { color: var(--prompt); }
.status { min-height: 1.4em; font-size: 13px; color: var(--prompt); }

/* A prompt waiting after the line, the way the apps wait on theirs. */
h1::after {
  content: "\2588";
  display: inline-block;
  width: 0;
  margin-left: 0.14em;
  overflow: visible;
  color: var(--prompt);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* It arrives slowly: the name, then the line, then the rest. */
.topbar, .mark, h1, .sub, .notice, .cta, .areas, .contact, footer { opacity: 0; animation: arrive 1.6s ease forwards; }
h1, .areas, .contact { animation-delay: 0.35s; }
.sub { animation-delay: 0.9s; }
footer { animation-delay: 1.4s; }
@keyframes arrive { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .topbar, .mark, h1, .sub, .notice, .cta, .areas, .contact, footer { opacity: 1; animation: none; }
  h1::after { animation: none; }
}

/* Software page: product cards open a window. */
.products .product { display: grid; align-content: start; gap: 10px; width: 100%; height: 100%; padding: 22px; text-align: left; font: inherit; color: inherit; background: none; border: 1px solid var(--line); cursor: pointer; transition: border-color 0.3s, background 0.3s; }
.products .product:hover, .products .product:focus-visible { border-color: var(--prompt); background: rgba(111, 192, 196, 0.05); }
.products .product img { width: 100%; height: 200px; object-fit: cover; object-position: top; border-radius: 6px; border: 1px solid var(--line); margin-bottom: 6px; }
.products .product strong { font: 400 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); }
.products .product span { font: 300 16px/1.5 var(--sans); color: var(--grey); }
.modal { width: min(920px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); padding: 0; color: var(--ink); background: #0d0d10; border: 1px solid var(--line); border-radius: 14px; }
.modal::backdrop { background: rgba(0, 0, 0, 0.78); }
.modal-in { position: relative; display: grid; gap: 18px; padding: 32px 28px 30px; text-align: left; }
.modal h2 { margin: 0; font: 300 clamp(28px, 4vw, 40px)/1.1 var(--sans); letter-spacing: -0.03em; }
.modal .tag { margin: 0; font: 300 clamp(16px, 2vw, 20px)/1.4 var(--sans); color: var(--grey); }
.modal .x { position: absolute; top: 14px; right: 16px; width: 38px; height: 38px; font-size: 26px; line-height: 1; color: var(--grey); background: none; border: 0; cursor: pointer; }
.modal .x:hover, .modal .x:focus-visible { color: var(--prompt); }
.gallery { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x proximity; padding-bottom: 8px; }
.gallery img { flex: none; height: 320px; width: auto; max-width: 86vw; object-fit: contain; border-radius: 8px; border: 1px solid var(--line); scroll-snap-align: start; background: #000; }
.info { display: grid; gap: 12px; }
.info p { margin: 0; max-width: 40em; font: 300 17px/1.6 var(--sans); color: var(--grey); }
.info p:first-child { color: var(--ink); }
.visit { justify-self: start; padding: 12px 22px; font: 14px var(--font); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); border: 1px solid var(--line); transition: color 0.3s, border-color 0.3s; }
.visit:hover, .visit:focus-visible { color: var(--prompt); border-color: var(--prompt); }

/* Menu bar on every page except home. */
.topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 28px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.menu { display: flex; flex-wrap: wrap; gap: 6px 22px; font: 12px var(--font); letter-spacing: 0.1em; text-transform: uppercase; }
.menu a { color: var(--grey); padding: 4px 0; transition: color 0.3s; }
.menu a:hover, .menu a:focus-visible { color: var(--ink); }
.menu a[aria-current="page"] { color: var(--prompt); }

.legal.center { text-align: center; }