/* Northstar marketing site — brand tokens pulled from the owner's logo kit */
:root {
  --space: #03060f;        /* near-black navy (artwork background) */
  --navy: #071230;         /* deep navy panels */
  --navy-2: #0c1d46;
  --blue: #057af2;         /* electric blue (compass vector) */
  --sky: #4e96ed;          /* sky blue glow */
  --ice: #ddf2fc;          /* pale star highlight */
  --silver: #c9d3e0;       /* ring / type silver */
  --white: #ffffff;
  --ink: #0b1630;          /* body text on light */
  --muted: #4a5875;
  --paper: #f5f8fc;        /* light section background */
  --line: #dbe4f0;

  --font-display: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1160px;
  --radius: 14px;
}

*, *::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: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .6em; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--white); color: var(--ink); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .9em 1.5em; border-radius: 999px;
  font: 600 .95rem/1 var(--font-display); letter-spacing: .02em;
  text-decoration: none; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
  background: linear-gradient(180deg, #2a8cf7, var(--blue));
  color: var(--white);
  box-shadow: 0 0 0 1px rgba(255,255,255,.12) inset, 0 8px 30px rgba(5,122,242,.45);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255,255,255,.2) inset, 0 10px 40px rgba(78,150,237,.6); }
.btn:focus-visible, a:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  /* solid deep navy from the artwork's sky (was see-through, which read as flat grey over light pages) */
  background: radial-gradient(60% 140% at 50% 120%, rgba(5,122,242,.16), transparent 70%), linear-gradient(180deg, #010006 0%, #040b1f 100%);
  border-bottom: 1px solid rgba(78,150,237,.28);
  box-shadow: 0 1px 0 rgba(78,150,237,.10), 0 8px 24px rgba(1,0,6,.35);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); }
.brand img { width: 36px; height: 36px; border-radius: 50%; box-shadow: 0 0 12px rgba(78,150,237,.45); }
.wordmark { font: 300 1.05rem/1 var(--font-display); letter-spacing: .38em; text-transform: uppercase; color: var(--white); }
.wordmark b { font-weight: 300; color: var(--sky); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--silver); text-decoration: none; font: 500 .9rem/1 var(--font-body); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); }
.nav .btn { padding: .7em 1.2em; font-size: .85rem; color: var(--white); }
.menu-toggle { display: none; }

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 10px;
    background: transparent; border: 1px solid rgba(201,211,224,.25); color: var(--white); cursor: pointer;
  }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #040b1f; border-bottom: 1px solid rgba(78,150,237,.28);
    padding: 8px 20px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; font-size: 1rem; border-bottom: 1px solid rgba(201,211,224,.08); }
  .nav .btn { margin-top: 14px; justify-content: center; border-bottom: 0; padding: 1em; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: #010006; /* matches the artwork's sky (sampled) */
  color: var(--white);
  text-align: center;
  padding: 0;
}
/* The owner's original artwork, untouched (no filters, no overlays on the star), shown from the top
   down to just above its baked-in wordmark (484 of 941 px). Only the last strip below the ring
   (y 466-484) fades out. --s zooms in on smaller screens so the compass stays a good size. */
.hero-art {
  --s: 1;
  /* shows artwork rows 80-484 of 941: the empty sky above the compass is trimmed off (owner request) */
  height: calc(100vw * var(--s) * 0.2416);
  /* outer fade: a soft top edge for the light beam, and the last strip below the ring */
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 7%, #000 96%, transparent 100%);
          mask-image: linear-gradient(to bottom, transparent 0, #000 7%, #000 96%, transparent 100%);
}
.hero-art::before {
  content: ""; display: block; height: 100%;
  background: url("../img/gateway.jpg") center calc(100vw * var(--s) * -0.0478) / calc(100vw * var(--s)) auto no-repeat;
  /* inner fade: the side haze fades out gently; the compass column stays at full strength */
  -webkit-mask-image: radial-gradient(ellipse calc(14% * var(--s)) 80% at 50% 60%, #000 75%, transparent 100%), linear-gradient(to bottom, #000 40%, transparent 100%);
          mask-image: radial-gradient(ellipse calc(14% * var(--s)) 80% at 50% 60%, #000 75%, transparent 100%), linear-gradient(to bottom, #000 40%, transparent 100%);
}
@media (max-width: 1000px) { .hero-art { --s: 1.5; } }
@media (max-width: 600px)  { .hero-art { --s: 2.6; } }
.hero-copy { position: relative; margin-top: 44px; } /* breathing room between the compass and the wording */
@media (max-width: 600px) { .hero-copy { margin-top: 28px; } }

/* Owner-approved: only two looks, fading back and forth —
     1) the original blue artwork, exactly as supplied (filter is a no-op), and
     2) the same artwork in red.
   Tune the red with --red-shift (hue turn) and --red-sat (color strength); --cycle is the full loop time. */
.hero { --red-shift: 140deg; --red-sat: 1.7; --cycle: 16s; }

.hero-art::before, .horizon {
  will-change: filter;
  animation: compass-cycle var(--cycle) ease-in-out infinite;
}
@keyframes compass-cycle {
  0%, 30%   { filter: hue-rotate(0deg) saturate(1); }                              /* blue (original) */
  50%, 80%  { filter: hue-rotate(var(--red-shift)) saturate(var(--red-sat)); }     /* red */
  100%      { filter: hue-rotate(0deg) saturate(1); }                              /* back to blue */
}

/* the blue "STAR" in the line under the compass follows the same cycle */
.hero .eyebrow b { animation: star-word var(--cycle) ease-in-out infinite; }
@keyframes star-word {
  0%, 30%  { color: var(--sky); }
  50%, 80% { color: #ff4d4d; }
  100%     { color: var(--sky); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-art::before, .horizon, .hero .eyebrow b { animation: none; }
}

.eyebrow { font: 400 .78rem/1 var(--font-display); letter-spacing: .42em; text-transform: uppercase; color: var(--silver); margin-bottom: 22px; }
.eyebrow b { font-weight: 400; color: var(--sky); }
/* Main heading (for Google) sits in the small spaced line; the tagline below keeps the big look. */
.hero .hero-kicker { color: var(--ice); line-height: 1.7; max-width: 100%; margin: 0 auto 26px; }
@media (max-width: 600px) { .hero .hero-kicker { letter-spacing: .26em; font-size: .72rem; } }
.hero .hero-tagline {
  font-family: var(--font-display); line-height: 1.15;
  font-weight: 300; font-size: clamp(2.1rem, 5.6vw, 4rem); letter-spacing: -.01em;
  max-width: 16ch; margin: 0 auto .5em;
}
.hero .subhead { font: 400 clamp(1.05rem, 2vw, 1.3rem)/1.5 var(--font-body); color: var(--ice); opacity: .9; margin: 0 auto 2em; max-width: 40ch; }
/* The bottom slice of the owner's gateway artwork, as a horizon. Sized so its text never shows. */
.horizon {
  height: 18vw; min-height: 90px; max-height: 300px; margin-top: 56px;
  background: url("../img/gateway.jpg") center bottom / 100% auto no-repeat;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 45%);
          mask-image: linear-gradient(to bottom, transparent, #000 45%);
}
@media (max-width: 600px) { .horizon { background-size: 170% auto; height: 30vw; } }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section h2 { font-weight: 400; font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -.01em; }
.kicker { font: 600 .74rem/1 var(--font-display); letter-spacing: .28em; text-transform: uppercase; color: var(--blue); margin-bottom: 16px; }
.lede { font-size: clamp(1.15rem, 2.1vw, 1.45rem); line-height: 1.6; color: var(--ink); max-width: 44ch; }

.intro { background: var(--white); }
.intro .wrap { display: grid; grid-template-columns: 1fr; justify-items: center; text-align: center; }
.intro blockquote { margin: 0; font: 300 clamp(1.4rem, 3vw, 2.1rem)/1.4 var(--font-display); color: var(--navy-2); max-width: 30ch; }
.intro p { margin-top: 1.4em; color: var(--muted); max-width: 52ch; font-size: 1.1rem; }

.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 40px; } .split.reverse > :first-child { order: 0; } .section { padding: 72px 0; } }
.split p { color: var(--muted); }

/* Workflow diagram: exam room → lab → infusion */
.flow { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; position: relative; }
.flow li {
  position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 16px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px 16px 0;
  box-shadow: 0 6px 24px rgba(11,22,48,.05);
}
.flow .dot {
  justify-self: center; width: 22px; height: 22px; border-radius: 50%;
  background: radial-gradient(circle, var(--white) 0 25%, var(--sky) 30% 60%, var(--blue) 65%);
  box-shadow: 0 0 0 5px rgba(78,150,237,.15), 0 0 16px rgba(5,122,242,.55);
}
.flow strong { display: block; font: 600 1rem/1.3 var(--font-display); color: var(--ink); }
.flow span { font-size: .93rem; color: var(--muted); }

/* Billing panel */
.panel {
  background: linear-gradient(160deg, var(--navy), var(--space)); color: var(--white);
  border-radius: 20px; padding: 28px; border: 1px solid rgba(201,211,224,.14);
  box-shadow: 0 20px 60px rgba(3,6,15,.35);
}
.panel-title { font: 500 .74rem/1 var(--font-display); letter-spacing: .28em; text-transform: uppercase; color: var(--silver); margin-bottom: 20px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: s; }
.steps li {
  counter-increment: s; display: flex; gap: 14px; align-items: center;
  padding: 14px 16px; border-radius: 12px; background: rgba(255,255,255,.04); border: 1px solid rgba(201,211,224,.1);
  font-size: .97rem;
}
.steps li::before {
  content: counter(s); flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  font: 600 .8rem/1 var(--font-display); background: rgba(5,122,242,.25); color: var(--ice); border: 1px solid rgba(78,150,237,.5);
}
.steps li.flag { border-color: rgba(78,150,237,.6); background: rgba(5,122,242,.12); }

/* Dark band */
.band {
  background:
    radial-gradient(50% 120% at 50% 100%, rgba(5,122,242,.3), transparent 70%),
    var(--space);
  color: var(--white); text-align: center; padding: 104px 0;
}
.band h2 { font-weight: 300; font-size: clamp(1.9rem, 4.4vw, 3.1rem); max-width: 20ch; margin: 0 auto .5em; }
.band p { color: var(--silver); font-size: 1.15rem; margin: 0; }

/* Closing CTA */
.closing { background: var(--white); text-align: center; }
.closing img { width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 24px; box-shadow: 0 0 22px rgba(5,122,242,.35); }
.closing p { font: 300 clamp(1.25rem, 2.6vw, 1.7rem)/1.45 var(--font-display); color: var(--navy-2); max-width: 34ch; margin: 0 auto 1.6em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--space); color: var(--silver); padding: 48px 0 40px; font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: var(--silver); text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.preview-note { background: #fff6d6; color: #5a4500; text-align: center; font-size: .85rem; padding: 6px 12px; }

/* ---------- Links & cards used across pages ---------- */
.text-link { display: inline-block; margin-top: .4em; font: 600 .95rem/1.4 var(--font-display); color: var(--blue); text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.flow li > a { display: grid; grid-template-columns: 56px 1fr auto; gap: 16px; align-items: center; color: inherit; text-decoration: none; padding-right: 18px; }
.flow li:has(> a) { display: block; padding: 16px 0; transition: border-color .2s, transform .15s, box-shadow .2s; }
.flow li:has(> a):hover { border-color: var(--sky); transform: translateY(-1px); box-shadow: 0 10px 30px rgba(5,122,242,.12); }
.flow .arrow { color: var(--blue); font-weight: 600; }

/* ---------- Inner page header ---------- */
.page-hero {
  background: radial-gradient(70% 120% at 50% 0%, rgba(5,122,242,.28), transparent 70%), var(--space);
  color: var(--white); padding: 72px 0 64px;
}
.page-hero .crumbs { font-size: .85rem; color: var(--silver); margin-bottom: 18px; }
.page-hero .crumbs a { color: var(--silver); text-decoration: none; }
.page-hero .crumbs a:hover { color: var(--white); }
.page-hero h1 { font-weight: 300; font-size: clamp(2rem, 4.6vw, 3.2rem); max-width: 22ch; }
.page-hero p { color: var(--ice); opacity: .9; font-size: clamp(1.05rem, 1.8vw, 1.25rem); max-width: 56ch; margin: 0; }
.page-hero .btn { margin-top: 28px; }

/* ---------- Card grid ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; list-style: none; margin: 0; padding: 0; }
.card {
  display: flex; flex-direction: column; height: 100%;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  color: inherit; text-decoration: none; box-shadow: 0 6px 24px rgba(11,22,48,.05);
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
a.card:hover { border-color: var(--sky); transform: translateY(-2px); box-shadow: 0 12px 36px rgba(5,122,242,.14); }
.card h3 { font-weight: 600; font-size: 1.12rem; margin-bottom: .45em; }
.card p { color: var(--muted); font-size: .97rem; margin: 0 0 1em; flex: 1; }
.card .more { font: 600 .9rem/1 var(--font-display); color: var(--blue); }
.card .num { font: 500 .72rem/1 var(--font-display); letter-spacing: .2em; color: var(--sky); margin-bottom: 14px; }

.badge { display: inline-block; font: 600 .7rem/1 var(--font-display); letter-spacing: .12em; text-transform: uppercase; padding: .5em .8em; border-radius: 999px; background: #fff3d6; color: #6b4b00; border: 1px solid #f1d58a; vertical-align: middle; }
.page-hero .badge { margin-bottom: 18px; }

/* ---------- Feature page body ---------- */
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.feature-list li { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px 18px 54px; position: relative; }
.feature-list li::before {
  content: ""; position: absolute; left: 20px; top: 22px; width: 16px; height: 16px; border-radius: 50%;
  background: radial-gradient(circle, var(--white) 0 25%, var(--sky) 30% 60%, var(--blue) 65%);
  box-shadow: 0 0 10px rgba(5,122,242,.45);
}
.feature-list strong { display: block; font: 600 1rem/1.35 var(--font-display); margin-bottom: 2px; }
.feature-list span { color: var(--muted); font-size: .96rem; }
.prose { max-width: 68ch; }
.prose p { color: var(--muted); }
.prose h2 { margin-top: 1.4em; }
.note { background: var(--white); border-left: 4px solid var(--sky); border-radius: 0 var(--radius) var(--radius) 0; padding: 18px 22px; color: var(--muted); }
.note strong { color: var(--ink); }
.white { background: var(--white); }

/* Previous / next between product pages */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 8px; padding-bottom: 96px; }
.pager a { display: block; border: 1px solid var(--line); background: var(--white); border-radius: var(--radius); padding: 18px 22px; text-decoration: none; color: var(--ink); font: 600 1.02rem/1.3 var(--font-display); }
.pager a:hover { border-color: var(--sky); }
.pager small { display: block; font: 500 .72rem/1 var(--font-display); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.pager .next { text-align: right; }
@media (max-width: 600px) { .pager { grid-template-columns: 1fr; } .pager .next { text-align: left; } }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 800px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 28px 20px 0; position: relative; font: 600 1.05rem/1.4 var(--font-display); color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 16px; font-size: 1.5rem; color: var(--blue); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 0 0 20px; }

/* Contact */
.contact-box { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 32px; max-width: 720px; box-shadow: 0 10px 40px rgba(11,22,48,.06); }
.contact-box ul { color: var(--muted); padding-left: 1.2em; }

/* Footer grid */
.footer-grid { display: grid !important; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; align-items: start !important; }
.site-footer nav { display: flex; flex-direction: column; gap: 10px; }
.footer-head { font: 600 .72rem/1 var(--font-display); letter-spacing: .2em; text-transform: uppercase; color: var(--white); margin: 0 0 6px; }
.footer-note { margin: 14px 0 0; max-width: 30ch; }
.footer-base { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(201,211,224,.12); font-size: .82rem; display: block !important; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* ---------- Cookie choice banner (only rendered when a GA4 ID is set) ---------- */
.consent {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; max-width: 760px; margin: 0 auto;
  display: flex; gap: 18px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: var(--navy); color: var(--ice); border: 1px solid rgba(201,211,224,.2); border-radius: 16px;
  padding: 16px 20px; box-shadow: 0 20px 60px rgba(0,0,0,.45); font-size: .93rem;
}
.consent[hidden] { display: none; }
.consent p { margin: 0; flex: 1 1 320px; }
.consent a { color: var(--sky); }
.consent-actions { display: flex; gap: 10px; }
.btn-ghost { background: transparent; color: var(--ice); border: 1px solid rgba(201,211,224,.35); cursor: pointer; }
.consent .btn { cursor: pointer; border: 0; }
.consent .btn-ghost { border: 1px solid rgba(201,211,224,.35); }
.linklike { background: none; border: 0; padding: 0; color: var(--silver); font: inherit; text-align: left; cursor: pointer; }
.linklike:hover { color: var(--white); }

/* ---------- "Page last updated" line ---------- */
.updated { font-size: .82rem; color: var(--muted); padding-top: 8px; padding-bottom: 28px; margin: 0 auto; }
.hero ~ .updated, .band + .updated { padding-top: 24px; }

/* ---------- Answer blocks & citations ---------- */
.answer { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.answer h2 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
.answer p:last-child { margin-bottom: 0; }
.answers { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.who { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.who li { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; color: var(--muted); font-size: .95rem; }
.who strong { display: block; color: var(--ink); font: 600 1rem/1.3 var(--font-display); margin-bottom: 4px; }
.sources { font-size: .86rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 28px; padding-top: 16px; }
.sources h3 { font: 600 .75rem/1 var(--font-display); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.sources ol { margin: 0; padding-left: 1.2em; }
.sources li { margin-bottom: 6px; }
sup.cite a { text-decoration: none; font-weight: 600; font-size: .75em; }

/* ---------- News ---------- */
.news-stamp { color: var(--muted); font-size: .92rem; }
.news-list { list-style: none; margin: 0 0 40px; padding: 0; display: grid; gap: 10px; }
.news-list li { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.news-list a { display: block; color: var(--ink); text-decoration: none; font: 600 1rem/1.4 var(--font-display); }
.news-list a:hover { color: var(--blue); text-decoration: underline; }
.news-list span { display: block; margin-top: 4px; font-size: .84rem; color: var(--muted); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Northstar Guide (free in-browser helper) ---------- */
.ns-launch {
  position: fixed; right: 20px; bottom: 20px; z-index: 70;
  display: flex; align-items: center; gap: 10px; padding: 6px 18px 6px 6px;
  border: 1px solid rgba(78,150,237,.45); border-radius: 999px; cursor: pointer;
  background: linear-gradient(180deg, #0a1a3d, #040b1f); color: var(--white);
  font: 600 .92rem/1 var(--font-display); letter-spacing: .02em;
  box-shadow: 0 10px 30px rgba(1,0,6,.45), 0 0 24px rgba(5,122,242,.35);
  transition: transform .2s ease, box-shadow .2s ease;
}
.ns-launch:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(1,0,6,.5), 0 0 34px rgba(78,150,237,.55); }
.ns-launch-icon { position: relative; width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex: none; }
.ns-launch-icon img { width: 40px; height: 40px; display: block; }
.ns-launch-icon::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgba(78,150,237,.6); animation: ns-ping 3.2s ease-out infinite; }
@keyframes ns-ping { 0% { box-shadow: 0 0 0 0 rgba(78,150,237,.55); } 70%, 100% { box-shadow: 0 0 0 14px rgba(78,150,237,0); } }
.ns-guide-open .ns-launch { opacity: 0; pointer-events: none; }
.consent:not([hidden]) ~ .ns-launch { bottom: 120px; }

.ns-guide {
  position: fixed; right: 20px; bottom: 20px; z-index: 80;
  width: min(400px, calc(100vw - 32px)); height: min(620px, calc(100vh - 110px));
  display: flex; flex-direction: column; overflow: hidden;
  background: radial-gradient(120% 60% at 50% 0%, rgba(5,122,242,.18), transparent 60%), #050b1d;
  color: var(--ice); border: 1px solid rgba(78,150,237,.35); border-radius: 22px;
  box-shadow: 0 30px 80px rgba(1,0,6,.6), 0 0 40px rgba(5,122,242,.2);
  opacity: 0; transform: translateY(16px) scale(.98); transform-origin: bottom right;
  transition: opacity .18s ease, transform .22s cubic-bezier(.2,.8,.2,1);
}
.ns-guide.ns-open { opacity: 1; transform: none; }
.ns-guide[hidden] { display: none; }
.ns-head { display: flex; align-items: center; gap: 12px; padding: 16px 16px 14px; border-bottom: 1px solid rgba(78,150,237,.18); }
.ns-avatar { width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex: none; box-shadow: 0 0 18px rgba(78,150,237,.55); }
.ns-avatar img { width: 40px; height: 40px; display: block; }
.ns-title { flex: 1; min-width: 0; }
.ns-title strong { display: block; font: 600 1rem/1.2 var(--font-display); color: var(--white); letter-spacing: .02em; }
.ns-title span { display: block; font-size: .74rem; color: var(--silver); margin-top: 3px; }
.ns-x { width: 34px; height: 34px; border-radius: 10px; border: 1px solid rgba(201,211,224,.2); background: transparent; color: var(--silver); cursor: pointer; display: grid; place-items: center; }
.ns-x:hover { color: var(--white); border-color: rgba(201,211,224,.45); }

.ns-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.ns-msg { max-width: 88%; padding: 11px 14px; border-radius: 16px; font-size: .93rem; line-height: 1.55; }
.ns-msg p { margin: 0 0 .55em; } .ns-msg p:last-child { margin-bottom: 0; }
.ns-msg ul { margin: .2em 0 .6em; padding-left: 1.15em; } .ns-msg li { margin: .15em 0; }
.ns-bot { align-self: flex-start; background: rgba(255,255,255,.06); border: 1px solid rgba(78,150,237,.18); border-bottom-left-radius: 6px; color: var(--ice); }
.ns-bot a { color: #8fc3ff; }
.ns-bot strong { color: var(--white); }
.ns-user { align-self: flex-end; background: linear-gradient(180deg, #2a8cf7, var(--blue)); color: var(--white); border-bottom-right-radius: 6px; }
.ns-in { animation: ns-rise .28s cubic-bezier(.2,.8,.2,1); }
@keyframes ns-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.ns-typing { display: flex; gap: 5px; padding: 14px 16px; }
.ns-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--sky); opacity: .4; animation: ns-dot 1s infinite ease-in-out; }
.ns-typing span:nth-child(2) { animation-delay: .15s; } .ns-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes ns-dot { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-4px); } }

.ns-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 10px; }
.ns-chips:empty { display: none; }
.ns-chips button { border: 1px solid rgba(78,150,237,.45); background: rgba(5,122,242,.1); color: var(--ice); border-radius: 999px; padding: 7px 12px; font: 500 .8rem/1.2 var(--font-body); cursor: pointer; transition: background .15s, border-color .15s; }
.ns-chips button:hover { background: rgba(5,122,242,.25); border-color: var(--sky); }

.ns-form { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid rgba(78,150,237,.18); }
.ns-form input { flex: 1; min-width: 0; background: rgba(255,255,255,.06); border: 1px solid rgba(201,211,224,.2); border-radius: 12px; color: var(--white); padding: 11px 14px; font: 400 .95rem var(--font-body); }
.ns-form input::placeholder { color: rgba(201,211,224,.6); }
.ns-form input:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 3px rgba(78,150,237,.25); }
.ns-form button { width: 44px; border: 0; border-radius: 12px; cursor: pointer; color: var(--white); background: linear-gradient(180deg, #2a8cf7, var(--blue)); display: grid; place-items: center; }
.ns-foot { margin: 0; padding: 0 16px 12px; font-size: .72rem; color: rgba(201,211,224,.75); text-align: center; }
.ns-foot a { color: #8fc3ff; }
.ns-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 600px) {
  .ns-launch { right: 14px; bottom: 14px; padding: 5px; }
  .ns-launch-text { display: none; }
  .ns-guide { right: 0; bottom: 0; width: 100vw; height: 86vh; border-radius: 22px 22px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ns-launch-icon::after, .ns-typing span { animation: none; }
  .ns-guide, .ns-launch { transition: none; }
}
.ns-msg a[href^="tel:"], .ns-foot a[href^="tel:"] { white-space: nowrap; }
.ns-foot strong { color: var(--ice); }

/* ---------- Article / buyer's guide ---------- */
.page-hero .byline { margin-top: 18px; font-size: .88rem; color: var(--silver); opacity: .9; }
.guide-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px; align-items: start; }
.toc { position: sticky; top: 92px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; font-size: .9rem; }
.toc-head { font: 600 .72rem/1 var(--font-display); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--blue); }
.guide { max-width: 72ch; }
.guide h2 { scroll-margin-top: 90px; margin-top: 1.6em; }
.guide h2:first-child { margin-top: 0; }
.guide .how { background: #eef5ff; border-left: 4px solid var(--blue); border-radius: 0 12px 12px 0; padding: 14px 18px; color: var(--ink); }
.table-wrap { overflow-x: auto; margin: 0 0 1.2em; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.table-wrap caption { caption-side: bottom; text-align: left; padding: 10px 16px; font-size: .8rem; color: var(--muted); }
.table-wrap th, .table-wrap td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table-wrap thead th { font: 600 .78rem/1.3 var(--font-display); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: var(--paper); }
.table-wrap tbody tr:last-child td { border-bottom: 0; }
.checklist td:last-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
@media (max-width: 900px) { .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; } .toc { position: static; } .guide { min-width: 0; } }

/* ---------- Founder note (About) ---------- */
.founder { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 48px; align-items: center; }
.founder-photo { width: 100%; max-width: 300px; aspect-ratio: 1; object-fit: cover; object-position: 50% 40%; border-radius: 50%; box-shadow: 0 0 0 1px rgba(78,150,237,.35), 0 0 40px rgba(5,122,242,.35); background: #040b1f; }
.founder-sign { font: 600 .95rem/1.4 var(--font-display); color: var(--ink); margin-top: 1.2em; }
@media (max-width: 760px) { .founder { grid-template-columns: minmax(0, 1fr); gap: 28px; } .founder-photo { max-width: 220px; margin: 0 auto; } }
.section-intro { color: var(--muted); max-width: 60ch; margin: -6px 0 24px; }
.closing .closing-sub { font: 400 1.05rem/1.6 var(--font-body); color: var(--muted); max-width: 52ch; margin: -0.6em auto 1.8em; }
.footer-tagline { display: block; margin-bottom: 6px; color: var(--silver); }