/* Falls Technology Services website (preview 2026-10-23). One stylesheet for every page. */
:root {
  --ink: #14212b; --muted: #4a5a66; --line: #d9e2e8; --paper: #f5f8fa; --card: #ffffff; --bg: #ffffff;
  --brand: #134e6f; --brand-ink: #ffffff; --accent: #2a9d8f; --accent-ink: #17695f; --warn-bg: #fff4d6; --warn-ink: #5c4300;
  --net-line: #b9cbd6; --net-glow: #1f9e8f; --net-port: #7f98a8;
}
:root { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; --ink: #e6edf2; --muted: #a9b8c3; --line: #2b3a45; --paper: #15212a; --card: #1a2832; --bg: #101a21;
          --brand: #5fa8d3; --brand-ink: #08151d; --accent: #4cc2b3; --accent-ink: #4cc2b3; --warn-bg: #3a2f10; --warn-ink: #f3dd9b;
          --net-line: #2a4757; --net-glow: #4fd6c4; --net-port: #3f6377; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html { background: var(--bg); }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: transparent; }
a { color: var(--brand); }
a:focus-visible, .btn:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.preview-bar { background: var(--warn-bg); color: var(--warn-ink); text-align: center; font-size: .9rem; padding: 6px 16px; }

header.site { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.mark { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; }
.mark img { width: 40px; height: 40px; flex-shrink: 0; }
.mark .box { width: 36px; height: 36px; border-radius: 8px; }
.mark .box { background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-size: .85rem; letter-spacing: .02em; }
nav.top { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
nav.top a { color: var(--ink); text-decoration: none; font-size: .95rem; }
nav.top a:hover { color: var(--brand); }
nav.top a.btn { color: var(--brand-ink); white-space: nowrap; }
@media (max-width: 600px) { nav.top a.btn { padding: 8px 12px; font-size: .9rem; } .mark { font-size: .98rem; } }

.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); text-decoration: none; padding: 11px 18px; border-radius: 8px; font-weight: 600; border: 0; }
.btn.ghost { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }

.hero { padding: 72px 0 60px; position: relative; }
/* the wash behind the text: strongest on the left, and fading out downward too, so it never ends in a visible edge */
.hero::before, .band::before { content: ""; position: absolute; left: 0; right: 0; top: 0; bottom: -90px; z-index: 0; pointer-events: none;
  background: linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 85%, transparent) 45%, transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, #000 60%, transparent); mask-image: linear-gradient(180deg, #000 60%, transparent); }
.hero > .wrap, .band > .wrap, .band > .inner { position: relative; z-index: 1; }
.hero > .wrap { position: relative; z-index: 1; }
/* the network (assets/network.js) is one canvas behind the whole page; it is stronger at the top and fades as you scroll.
   Over the hero and title bands, a soft wash keeps the text readable while the cables show on the right. */
.net { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.hero h1 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); line-height: 1.12; margin: 0 0 14px; letter-spacing: -.01em; max-width: 21ch; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; margin: 0 0 24px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.trust { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 28px; color: var(--muted); font-size: .95rem; padding: 0; list-style: none; }
.trust li::before { content: "\2713"; color: var(--accent); font-weight: 700; margin-right: 6px; }

section { padding: 52px 0; }
section.alt { background: color-mix(in srgb, var(--paper) 72%, transparent); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 1.6rem; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 24px; max-width: 64ch; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--card); }
.card h3 { margin: 0 0 6px; font-size: 1.08rem; }
.card p { margin: 0; color: var(--muted); }
.card ul { margin: 10px 0 0; padding-left: 20px; color: var(--muted); }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { border: 1px solid var(--line); border-radius: 14px; padding: 24px; background: var(--card); display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--brand); }
.plan .tag { font-size: .8rem; font-weight: 700; color: var(--accent-ink); text-transform: uppercase; letter-spacing: .06em; }
.plan h3 { margin: 4px 0 4px; font-size: 1.25rem; }
.plan .price { font-size: 2rem; font-weight: 800; margin: 6px 0 2px; }
.plan .price small { font-size: .95rem; font-weight: 500; color: var(--muted); }
.plan .for { color: var(--muted); margin: 0 0 12px; }
.plan ul { padding-left: 20px; margin: 0 0 18px; flex: 1; }
.plan li { margin: 4px 0; }
.fine { color: var(--muted); font-size: .92rem; margin-top: 16px; }

.steps { counter-reset: s; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.steps li { counter-increment: s; border-top: 3px solid var(--accent); padding-top: 12px; }
.steps li::before { content: counter(s); font-weight: 800; color: var(--accent); display: block; font-size: 1.3rem; }
.steps b { display: block; }
.steps span { color: var(--muted); }

.contact-box { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: start; }
.contact-box .card a.btn { margin-top: 12px; }

article.doc { max-width: 760px; padding: 40px 16px 56px; margin: 0 auto; }
article.doc h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: 0 0 6px; }
article.doc .updated { color: var(--muted); margin: 0 0 24px; }
article.doc h2 { font-size: 1.3rem; margin: 32px 0 8px; }
article.doc h3 { font-size: 1.08rem; margin: 22px 0 6px; }
article.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .95rem; }
article.doc th, article.doc td { text-align: left; border-bottom: 1px solid var(--line); padding: 8px 6px; vertical-align: top; }
.table-wrap { overflow-x: auto; }
.notice { border-left: 4px solid var(--accent); background: var(--paper); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.attrib { color: var(--muted); font-size: .88rem; border-top: 1px solid var(--line); margin-top: 36px; padding-top: 12px; }

footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: .92rem; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site nav { display: flex; gap: 16px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }

/* page-title band on the inner pages and the home contact band: the same moving network, quieter */
.band { position: relative; border-bottom: 1px solid var(--line); }
.band > .wrap, .band > .inner { position: relative; z-index: 1; }
.band .inner { max-width: 760px; margin: 0 auto; padding: 48px 16px 30px; }
.band h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: 0 0 6px; }
.band .updated { color: var(--muted); margin: 0; }
article.doc.after-band { padding-top: 24px; }
section.band { border-top: 1px solid var(--line); }

/* 2026-10-23: the faint network behind the whole page (canvas.net-page), fixed to the window; text sits on solid panels so the
   lines run around it, and panels light up when pointed at */
article.doc { background: var(--card); border: 1px solid var(--line); border-radius: 16px; margin: 28px auto 48px; padding: 28px 28px 32px;
              max-width: 800px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.card, .plan, article.doc, .steps li, .contact-box > div:first-child { transition: border-color .25s, box-shadow .25s, transform .25s; }
.steps li, .contact-box > div:first-child { background: var(--card); }
.sub { background: var(--bg); }
.steps li { padding: 12px 14px 14px; border-radius: 0 0 12px 12px; }
.contact-box > div:first-child { padding: 4px 18px 10px; border-radius: 12px; }
.sub { display: inline-block; padding: 2px 8px; margin-left: -8px; border-radius: 6px; }
section.alt .sub { background: var(--paper); }
.card:hover, .plan:hover, .steps li:hover {
  border-color: var(--accent); transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 10px 28px color-mix(in srgb, var(--accent) 22%, transparent); }
article.doc:hover { box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent), 0 10px 32px color-mix(in srgb, var(--accent) 12%, transparent); }
@media (prefers-reduced-motion: reduce) { .card:hover, .plan:hover, .steps li:hover { transform: none; } }
@media (max-width: 600px) { article.doc { margin: 16px 12px 32px; padding: 20px 16px 24px; } }

/* About and FAQ (2026-10-23) */
.about { max-width: 820px; }
.about p { color: var(--ink); margin: 0 0 12px; }
.about:hover { transform: none; }
.faq { display: grid; gap: 10px; max-width: 860px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0 18px; transition: border-color .2s, box-shadow .2s; }
.faq details[open], .faq details:hover { border-color: var(--accent); box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 14%, transparent); }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent-ink); font-weight: 800; font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: "-"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

/* analytics choice (assets/analytics.js) */
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 20; max-width: 520px; margin: 0 auto; background: var(--card);
           border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.consent p { margin: 0 0 10px; }
.consent-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.consent .btn { padding: 8px 16px; cursor: pointer; font: inherit; font-weight: 600; }
.link-button { background: none; border: 0; padding: 0; color: var(--muted); font: inherit; text-decoration: underline; cursor: pointer; }

@media (max-width: 860px) {
  .grid, .plans { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact-box { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid, .grid.two, .plans, .steps { grid-template-columns: 1fr; }
  nav.top a:not(.btn) { display: none; }
  .hero { padding: 44px 0 36px; }
  section { padding: 40px 0; }
}

/* keyboard use (2026-10-23): a skip link, and a clear focus ring on everything that can be tabbed to */
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--brand); color: var(--brand-ink); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip { position: fixed !important; top: 0 !important; transform: translateY(-250%); } .skip:focus { transform: none; top: 12px !important; }
main:focus { outline: none; }
a:focus-visible, button:focus-visible, summary:focus-visible, .btn:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.card:focus-within, .plan:focus-within { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 10px 28px color-mix(in srgb, var(--accent) 22%, transparent); }

/* accessibility options (a11y.js / a11y.css): our colours in high contrast; the network hidden there and stopped with "Stop animations" */
.a11y-fab, .a11y-panel { --surface: var(--card); }
html.a11y-contrast, html.a11y-contrast[data-theme] { --card: #ffffff; --brand: #0033cc; --brand-ink: #ffffff; --accent-ink: #0033cc; --warn-bg: #ffffff; --warn-ink: #000000; }
html.a11y-contrast .net { display: none; }
html.a11y-contrast .hero, html.a11y-contrast .band, html.a11y-contrast section.alt { background: #fff; }
html.a11y-contrast .card, html.a11y-contrast .plan, html.a11y-contrast article.doc, html.a11y-contrast .faq details { border-color: #000; }

/* contact form (2026-10-23) */
.turnstile-box { min-height: 0; }
.turnstile-box iframe { max-width: 100%; }
.contact-form { display: grid; gap: 12px; }
.contact-form h3 { margin: 0; }
.contact-form label { display: block; font-weight: 600; font-size: .95rem; }
.contact-form label > input:not([type=radio]):not([type=checkbox]), .contact-form label > textarea { display: block; margin-top: 4px; }
.contact-form .opt { font-weight: 400; color: var(--muted); }
.contact-form input, .contact-form textarea { font: inherit; font-weight: 400; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 11px; width: 100%; }
.contact-form input:focus-visible, .contact-form textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.contact-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-form fieldset { border: 0; padding: 0; margin: 0; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.contact-form legend { font-weight: 600; font-size: .95rem; padding: 0; margin-bottom: 4px; width: 100%; }
.contact-form label.inline { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.contact-form label.inline input { width: auto; }
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form button { justify-self: start; cursor: pointer; font: inherit; font-weight: 600; }
.contact-form button[disabled] { opacity: .6; cursor: wait; }
.form-status { margin: 0; min-height: 1.2em; }
.form-status.ok { color: var(--accent-ink); font-weight: 600; }
.form-status.err { color: #b3261e; font-weight: 600; }
:root[data-theme="dark"] .form-status.err { color: #ff8a80; }
.contact-form .fine { margin: 0; }
.contact-box { align-items: start; }
code { font-family: ui-monospace, Consolas, monospace; font-size: .92em; background: var(--paper); padding: 2px 6px; border-radius: 5px; }
code.key { word-break: break-all; }
@media (max-width: 600px) { .contact-form .row2 { grid-template-columns: 1fr; } }

/* partner socket (2026-10-23): the page's network cable plugs into the socket (assets/network.js); hover lights it, a click sends a burst */
.partner-sec { padding: 40px 0 8px; }
.partner { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; padding: 20px 22px; border-radius: 16px;
  background: var(--card); border: 1px solid var(--line); color: var(--ink); text-decoration: none; transition: border-color .25s, box-shadow .25s, transform .25s; }
.partner:hover, .partner:focus-visible, .partner.net-live { border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 34px color-mix(in srgb, var(--accent) 26%, transparent); transform: translateY(-2px); }
.partner .socket svg { display: block; }
.socket-face { fill: var(--paper); stroke: var(--accent); stroke-width: 2.5; transition: fill .25s; }
.socket-hole { fill: var(--brand); transition: fill .25s; }
.partner.net-live .socket-face, .partner:hover .socket-face { fill: color-mix(in srgb, var(--accent) 18%, var(--paper)); }
.partner.net-live .socket-hole, .partner:hover .socket-hole { fill: var(--accent); }
.partner.net-sent .socket-face { fill: var(--accent); }
.partner-text { display: grid; gap: 2px; }
.partner-text .eyebrow { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-ink); }
.partner-text strong { font-size: 1.2rem; }
.partner-text span:last-child { color: var(--muted); }
.partner-go { font-weight: 700; color: var(--brand); white-space: nowrap; }
.partner-note { margin-top: 10px; }
@media (max-width: 680px) { .partner { grid-template-columns: auto 1fr; } .partner-go { grid-column: 1 / -1; } }
@media (prefers-reduced-motion: reduce) { .partner:hover, .partner.net-live { transform: none; } }
/* the last bit of the cable, inside the card, so it visibly plugs into the socket (the page's network is behind the card) */
.partner { position: relative; }
.partner::before { content: ""; position: absolute; left: 0; top: 50%; width: 24px; height: 3px; margin-top: -1.5px; border-radius: 0 2px 2px 0;
  background: var(--net-glow); box-shadow: 0 0 8px var(--net-glow); opacity: .75; transition: opacity .25s, box-shadow .25s, height .25s; }
.partner:hover::before, .partner.net-live::before { opacity: 1; height: 4px; box-shadow: 0 0 14px var(--net-glow); }
html.a11y-contrast .partner::before { display: none; }
@media (max-width: 680px) {
  .partner .socket { align-self: start; }
  .partner::before { left: 46px; top: 0; width: 3px; height: 22px; margin: 0 0 0 -1.5px; border-radius: 0 0 2px 2px; }
  .partner:hover::before, .partner.net-live::before { width: 4px; height: 22px; }
}

/* light / dark switch (assets/theme.js) */
.theme-toggle { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); cursor: pointer; transition: border-color .2s, color .2s; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent-ink); }
html.a11y-contrast .theme-toggle { display: none; }
/* phones (2026-10-23): logo, name, light/dark switch and Contact us on one tidy row */
@media (max-width: 600px) {
  header.site .wrap { gap: 8px; }
  .mark { font-size: .9rem; line-height: 1.2; gap: 8px; min-width: 0; }
  .mark img { width: 34px; height: 34px; }
  nav.top { flex-wrap: nowrap; gap: 8px; }
  .theme-toggle { width: 36px; height: 36px; }
}