/* =========================================================
   Network Cascade, LLC — site styles
   Brand tokens: edit these to re-theme the whole site.
   ========================================================= */
:root {
  --navy-900: #071528;
  --navy-800: #0b1f3a;
  --navy-700: #12305a;
  --teal-500: #14b8a6;
  --teal-400: #2dd4bf;
  --sky-500: #0ea5e9;
  --ink: #0f172a;
  --body: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
  --max: 1160px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--sky-500); }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -0.015em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 20px; }
.section { padding-block: clamp(64px, 9vw, 112px); }
.section--soft { background: var(--bg-soft); }
.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--teal-500); margin-bottom: .8rem;
}
.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip-link:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .85em 1.4em; border-radius: 999px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--teal-500), var(--sky-500)); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--teal-500); color: var(--teal-500); }
:focus-visible { outline: 3px solid var(--teal-400); outline-offset: 2px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 21, 40, .92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; }
.brand img, .brand svg { width: 38px; height: 38px; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; line-height: 1.1; }
.brand-name small { display: block; font-weight: 500; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-400); }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: #cbd5e1; text-decoration: none; font-weight: 500; font-size: .98rem;
  padding: 8px 14px; border-radius: 8px;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.06); }
.nav-links .btn { margin-left: 8px; padding: .6em 1.2em; color: #fff; }
.nav-toggle {
  display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer;
}
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy-900); padding: 12px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 12px; }
  .nav-links .btn { margin: 10px 0 0; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #cbd5e1;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(14,165,233,.28), transparent 60%),
    radial-gradient(700px 500px at 0% 110%, rgba(20,184,166,.22), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-800));
}
.hero h1 { color: #fff; }
.hero h1 .accent {
  background: linear-gradient(90deg, var(--teal-400), var(--sky-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
  padding-block: clamp(72px, 10vw, 128px);
}
.hero p.lead { color: #a8b8cc; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }
.page-hero .hero-inner { grid-template-columns: 1fr; padding-block: clamp(56px, 8vw, 96px); }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3rem); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { max-width: 460px; }
}

/* Animated network lines in hero art */
.flow { stroke-dasharray: 6 10; animation: flow 3s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -64; } }
.pulse { animation: pulse 2.6s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes pulse { 0%,100% { opacity: .55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.15); } }
@media (prefers-reduced-motion: reduce) {
  .flow, .pulse { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Trust strip ---------- */
.strip { background: var(--navy-800); border-top: 1px solid rgba(255,255,255,.06); }
.strip ul {
  list-style: none; margin: 0; padding: 22px 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 40px;
  color: #a8b8cc; font-weight: 500; font-size: .95rem;
}
.strip li { display: flex; align-items: center; gap: 8px; }
.strip li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--teal-400); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(20,184,166,.45); }
.card p { color: var(--muted); margin-bottom: 0; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 600; text-decoration: none; color: var(--teal-500); }
.card .more:hover { text-decoration: underline; }
.icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(20,184,166,.14), rgba(14,165,233,.14));
  color: var(--teal-500);
}
.icon svg { width: 26px; height: 26px; }

/* ---------- Why us ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; }
.checklist li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; }
.checklist .tick {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  background: var(--teal-500); color: #fff;
}
.checklist .tick svg { width: 18px; height: 18px; }
.checklist h3 { margin-bottom: .2em; font-size: 1.08rem; }
.checklist p { margin: 0; color: var(--muted); }
.panel {
  border-radius: 20px; padding: 36px; color: #cbd5e1;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
  box-shadow: var(--shadow);
}
.panel h3 { color: #fff; }
.panel ul { margin: 0; padding-left: 1.1em; }
.panel li { margin-bottom: .5em; }

/* ---------- Process ---------- */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 56px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0;
  font-family: var(--font-display); font-weight: 800; font-size: 2.2rem;
  background: linear-gradient(90deg, var(--teal-500), var(--sky-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step p { color: var(--muted); }

/* ---------- CTA band ---------- */
.cta {
  border-radius: 24px; padding: clamp(36px, 6vw, 64px);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
  color: #cbd5e1;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(14,165,233,.35), transparent 60%),
    linear-gradient(135deg, var(--navy-800), var(--navy-700));
}
.cta h2 { color: #fff; margin-bottom: .3em; }
.cta p { margin: 0; max-width: 560px; }

/* ---------- Services page ---------- */
.service-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.service-nav a {
  color: #cbd5e1; text-decoration: none; font-size: .92rem; font-weight: 500;
  padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.18);
}
.service-nav a:hover { color: #fff; border-color: var(--teal-400); }
.service {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px;
  padding-block: 56px; border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.service:last-child { border-bottom: 0; }
.service .icon { width: 56px; height: 56px; }
.service ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.service li {
  position: relative; padding: 14px 16px 14px 44px;
  background: var(--bg-soft); border-radius: 10px; color: var(--ink);
}
.service li::before {
  content: ""; position: absolute; left: 16px; top: 50%; translate: 0 -50%;
  width: 14px; height: 14px; border-radius: 4px;
  background: linear-gradient(135deg, var(--teal-500), var(--sky-500));
}
@media (max-width: 820px) { .service { grid-template-columns: 1fr; gap: 20px; } }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field label { display: block; font-weight: 600; color: var(--ink); font-size: .95rem; margin-bottom: 6px; }
.field .req { color: var(--teal-500); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal-500); box-shadow: 0 0 0 4px rgba(20,184,166,.15);
}
.hp { position: absolute; left: -9999px; }
.form-status { margin: 0; font-weight: 500; }
.form-status.ok { color: #0f766e; }
.form-status.err { color: #b91c1c; }
.info-card { padding: 32px; }
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.info-list li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.info-list .icon { margin: 0; width: 44px; height: 44px; }
.info-list strong { display: block; color: var(--ink); }
.info-list span, .info-list a { color: var(--muted); text-decoration: none; }
.info-list a:hover { color: var(--teal-500); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #94a3b8; padding-block: 56px 28px; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
.site-footer h4 { color: #fff; font-size: .9rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: #94a3b8; text-decoration: none; }
.site-footer a:hover { color: var(--teal-400); }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: .88rem;
}

/* =========================================================
   App company additions
   ========================================================= */
/* Placeholder marker: anything in .todo still needs real content */
.todo { background: #fef08a; color: #713f12; padding: 0 .25em; border-radius: 4px; font-weight: 600; }

/* App cards */
.app-card { display: flex; flex-direction: column; gap: 14px; }
.app-card .app-head { display: flex; align-items: center; gap: 16px; }
.app-icon {
  width: 72px; height: 72px; border-radius: 22%; flex: none; object-fit: cover;
  box-shadow: 0 4px 14px rgba(15,23,42,.15);
}
.app-icon--placeholder {
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--teal-500), var(--sky-500));
}
.app-icon--placeholder svg { width: 36px; height: 36px; }
.app-card h3 { margin: 0; }
.app-card .meta { font-size: .9rem; color: var(--muted); }
.app-card .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 6px; }
.badge {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px; background: rgba(20,184,166,.12); color: #0f766e;
}
.badge--soon { background: rgba(14,165,233,.12); color: #0369a1; }
.btn-store { background: #000; color: #fff; border-color: #000; }
.btn-store:hover { background: #1f2937; }
.btn-store svg { width: 18px; height: 18px; }
.btn-sm { padding: .55em 1.1em; font-size: .92rem; }

/* App detail hero */
.app-hero .hero-inner { grid-template-columns: 1.2fr .8fr; }
.app-hero .app-icon { width: 96px; height: 96px; margin-bottom: 20px; }
.shots { display: flex; gap: 18px; justify-content: center; }
.shots img {
  width: min(46%, 220px); height: auto; border-radius: 22px;
  border: 6px solid #0b1220; box-shadow: 0 20px 40px rgba(0,0,0,.35);
}
.shots img:nth-child(2) { margin-top: 40px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 26px; font-size: .92rem; color: #a8b8cc; }
.facts strong { display: block; color: #fff; font-size: 1rem; }
@media (max-width: 900px) { .app-hero .hero-inner { grid-template-columns: 1fr; } }

/* Steps list (how to enable) */
.howto { counter-reset: how; list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.howto li {
  counter-increment: how; position: relative; padding: 16px 18px 16px 62px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; color: var(--ink);
}
.howto li::before {
  content: counter(how); position: absolute; left: 16px; top: 50%; translate: 0 -50%;
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--teal-500), var(--sky-500));
}

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 20px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 28px 18px 0; position: relative;
  font-weight: 600; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; translate: 0 -50%;
  font-size: 1.4rem; color: var(--teal-500); font-weight: 400;
}
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding-bottom: 18px; color: var(--body); }
.faq details > div p:last-child { margin-bottom: 0; }
.faq-group + .faq-group { margin-top: 48px; }
.faq-group h2 { display: flex; align-items: center; gap: 12px; font-size: 1.5rem; }
.faq-group h2 .app-icon { width: 40px; height: 40px; }
.faq-group h2 .app-icon--placeholder svg { width: 22px; height: 22px; }

/* Legal / prose pages */
.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { font-size: 1.5rem; margin-top: 2.2em; scroll-margin-top: 90px; }
.prose h3 { margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .45em; }
.prose .updated { color: var(--muted); font-size: .95rem; }
.toc {
  background: var(--bg-soft); border-radius: 12px; padding: 20px 24px; margin: 28px 0;
}
.toc strong { color: var(--ink); }
.toc ol { margin: 10px 0 0; padding-left: 1.2em; columns: 2; column-gap: 32px; }
@media (max-width: 600px) { .toc ol { columns: 1; } }
.table-wrap { overflow-x: auto; margin: 1em 0 1.4em; }
.prose table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { color: var(--ink); background: var(--bg-soft); }