/* ============================================================
   CORE NEXUS design system
   ============================================================ */

:root {
  --cn-bg: #f7f8fb;
  --cn-surface: #ffffff;
  --cn-card: #ffffff;
  --cn-text: #12141c;
  --cn-text-muted: #5b6173;
  --cn-border: #e4e6ee;
  --cn-accent: #3a5bfd;
  --cn-accent-strong: #2742c9;
  --cn-accent-soft: rgba(58, 91, 253, 0.1);
  --cn-success: #1aa15c;
  --cn-warning: #c77c0e;
  --cn-danger: #d8364a;
  --cn-radius: 14px;
  --cn-radius-sm: 8px;
  --cn-shadow: 0 10px 30px rgba(18, 20, 28, 0.06);
  --cn-shadow-lg: 0 20px 50px rgba(18, 20, 28, 0.12);
  --cn-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="dark"] {
  --cn-bg: #0b0d13;
  --cn-surface: #12141d;
  --cn-card: #161925;
  --cn-text: #f1f2f6;
  --cn-text-muted: #9aa0b4;
  --cn-border: #242737;
  --cn-accent: #5b7bff;
  --cn-accent-strong: #7d97ff;
  --cn-accent-soft: rgba(91, 123, 255, 0.14);
  --cn-success: #2bc47a;
  --cn-warning: #e0a63a;
  --cn-danger: #ef5a6c;
  --cn-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --cn-shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cn-bg: #0b0d13;
    --cn-surface: #12141d;
    --cn-card: #161925;
    --cn-text: #f1f2f6;
    --cn-text-muted: #9aa0b4;
    --cn-border: #242737;
    --cn-accent: #5b7bff;
    --cn-accent-strong: #7d97ff;
    --cn-accent-soft: rgba(91, 123, 255, 0.14);
    --cn-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    --cn-shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

html, body { overflow-x: hidden; }

body {
  background: var(--cn-bg);
  color: var(--cn-text);
  font-family: var(--cn-font);
  font-size: 16px;
  line-height: 1.6;
  transition: background-color .2s ease, color .2s ease;
}

a { color: var(--cn-accent); text-decoration: none; }
a:hover { color: var(--cn-accent-strong); }

h1, h2, h3, h4, h5 { font-weight: 700; letter-spacing: -0.02em; color: var(--cn-text); }

.text-muted-cn { color: var(--cn-text-muted) !important; }

.cn-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: .75rem;
  font-weight: 700;
  color: var(--cn-accent);
}

/* ---- Buttons ---- */
.btn-cn-primary {
  background: var(--cn-accent);
  border: 1px solid var(--cn-accent);
  color: #fff;
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: var(--cn-radius-sm);
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn-cn-primary:hover {
  background: var(--cn-accent-strong);
  border-color: var(--cn-accent-strong);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--cn-shadow);
}
.btn-cn-outline {
  background: transparent;
  border: 1px solid var(--cn-border);
  color: var(--cn-text);
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: var(--cn-radius-sm);
  transition: border-color .15s ease, transform .15s ease;
}
.btn-cn-outline:hover {
  border-color: var(--cn-accent);
  color: var(--cn-accent);
  transform: translateY(-1px);
}

/* ---- Surfaces ---- */
.cn-card {
  background: var(--cn-card);
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius);
  box-shadow: var(--cn-shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.cn-card.cn-card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--cn-shadow-lg);
}
.cn-glass {
  background: color-mix(in srgb, var(--cn-surface) 70%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid var(--cn-border);
}
.cn-section { padding: 5.5rem 0; }
@media (max-width: 767.98px) { .cn-section { padding: 3.25rem 0; } }

/* ---- Navbar ---- */
.cn-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: color-mix(in srgb, var(--cn-bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cn-border);
}
.cn-navbar .navbar-brand { font-weight: 800; letter-spacing: -0.01em; color: var(--cn-text) !important; }
.cn-navbar .nav-link { color: var(--cn-text-muted) !important; font-weight: 500; }
.cn-navbar .nav-link.active, .cn-navbar .nav-link:hover { color: var(--cn-text) !important; }

.cn-theme-toggle {
  border: 1px solid var(--cn-border);
  background: var(--cn-surface);
  color: var(--cn-text);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---- Hero ---- */
.cn-hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
}
.cn-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 60%;
  background: radial-gradient(60% 60% at 50% 40%, var(--cn-accent-soft), transparent 70%);
  pointer-events: none;
}
.cn-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
}
.cn-hero .lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--cn-text-muted); }

/* ---- Footer ---- */
.cn-footer {
  background: var(--cn-surface);
  border-top: 1px solid var(--cn-border);
  padding: 3.5rem 0 1.5rem;
  color: var(--cn-text-muted);
}
.cn-footer a { color: var(--cn-text-muted); }
.cn-footer a:hover { color: var(--cn-accent); }

/* ---- Badges / status ---- */
.cn-badge { border-radius: 999px; padding: .35rem .75rem; font-size: .75rem; font-weight: 700; display: inline-flex; align-items: center; gap: .35rem; }
.cn-badge-new { background: var(--cn-accent-soft); color: var(--cn-accent); }
.cn-badge-success { background: rgba(26,161,92,.12); color: var(--cn-success); }
.cn-badge-warning { background: rgba(199,124,14,.12); color: var(--cn-warning); }
.cn-badge-danger { background: rgba(216,54,74,.12); color: var(--cn-danger); }
.cn-badge-muted { background: var(--cn-border); color: var(--cn-text-muted); }

/* ---- Step indicator (configurator) ---- */
.cn-steps { display: flex; gap: .5rem; flex-wrap: wrap; }
.cn-step {
  flex: 1 1 0;
  text-align: center;
  padding: .6rem .4rem;
  border-radius: var(--cn-radius-sm);
  background: var(--cn-surface);
  border: 1px solid var(--cn-border);
  font-size: .78rem;
  font-weight: 600;
  color: var(--cn-text-muted);
}
.cn-step.active { background: var(--cn-accent); border-color: var(--cn-accent); color: #fff; }
.cn-step.done { background: var(--cn-accent-soft); border-color: var(--cn-accent); color: var(--cn-accent); }

/* ---- Scroll reveal (vanilla JS, no external lib) ---- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---- Utility ---- */
.cn-icon-tile {
  width: 56px; height: 56px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--cn-radius-sm);
  background: var(--cn-accent-soft);
  color: var(--cn-accent);
  font-size: 1.35rem;
}
.cn-sticky-estimate { position: sticky; top: 90px; }
.cn-mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; }

::selection { background: var(--cn-accent); color: #fff; }

.form-control, .form-select {
  background: var(--cn-surface);
  border-color: var(--cn-border);
  color: var(--cn-text);
}
.form-control:focus, .form-select:focus {
  border-color: var(--cn-accent);
  box-shadow: 0 0 0 .2rem var(--cn-accent-soft);
  background: var(--cn-surface);
  color: var(--cn-text);
}


/* ---- Configurator helpers (no inline styles; CSP friendly) ---- */
.cn-hr { border-color: var(--cn-border); }
.cn-clickable { cursor: pointer; }
.cn-toast-host { z-index: 1080; }
.cn-w-260 { width: 260px; }


/* ============================================================
   UI layer v2 - typography, depth, hero, process, configurator
   ============================================================ */

:root {
  --cn-accent-2: #7c4dff;
  --cn-gradient: linear-gradient(135deg, var(--cn-accent) 0%, var(--cn-accent-2) 100%);
  --cn-gradient-soft: linear-gradient(135deg, var(--cn-accent-soft), rgba(124, 77, 255, 0.08));
  --cn-ring: 0 0 0 3px color-mix(in srgb, var(--cn-accent) 35%, transparent);
  --cn-grid-line: color-mix(in srgb, var(--cn-text) 6%, transparent);
  --cn-ease: cubic-bezier(.2, .7, .2, 1);
}

body {
  font-feature-settings: "cv11", "ss01", "calt";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 { letter-spacing: -0.025em; line-height: 1.15; }
h1 { font-weight: 800; }

/* Accessible, consistent focus */
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--cn-accent); outline-offset: 3px; border-radius: 4px; }
.btn:focus-visible, .form-control:focus-visible { outline: none; box-shadow: var(--cn-ring); }

/* ---- Buttons ---- */
.btn-cn-primary {
  background: var(--cn-gradient);
  border: 0;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--cn-accent) 32%, transparent), inset 0 1px 0 rgba(255, 255, 255, .18);
  transition: transform .18s var(--cn-ease), box-shadow .18s var(--cn-ease), filter .18s;
}
.btn-cn-primary:hover { background: var(--cn-gradient); filter: brightness(1.08); transform: translateY(-2px);
  box-shadow: 0 10px 26px color-mix(in srgb, var(--cn-accent) 40%, transparent), inset 0 1px 0 rgba(255, 255, 255, .22); }
.btn-cn-primary:active { transform: translateY(0); }
.btn-cn-primary:disabled { opacity: .6; transform: none; filter: grayscale(.2); }
.btn-cn-outline { background: color-mix(in srgb, var(--cn-surface) 60%, transparent); }
.btn-lg { padding: .9rem 1.75rem; font-size: 1.02rem; }
.btn-sm.btn-cn-primary, .btn-sm.btn-cn-outline { padding: .5rem 1rem; }

/* ---- Cards ---- */
.cn-card { box-shadow: 0 1px 2px rgba(18, 20, 28, .04), var(--cn-shadow); }
.cn-card.cn-card-hover { transition: transform .25s var(--cn-ease), box-shadow .25s var(--cn-ease), border-color .25s; }
.cn-card.cn-card-hover:hover { border-color: color-mix(in srgb, var(--cn-accent) 45%, var(--cn-border)); }
.cn-icon-tile { background: var(--cn-gradient-soft); border: 1px solid color-mix(in srgb, var(--cn-accent) 18%, transparent); }
a.cn-card-link { color: inherit; display: block; height: 100%; }
a.cn-card-link:hover { color: inherit; }
.cn-card-cta { color: var(--cn-accent); font-weight: 600; font-size: .85rem; display: inline-flex; gap: .4rem; align-items: center; }
.cn-card-cta i { transition: transform .2s var(--cn-ease); }
a.cn-card-link:hover .cn-card-cta i { transform: translateX(4px); }

/* ---- Navbar ---- */
.cn-navbar { transition: box-shadow .25s ease, background-color .25s ease; }
.cn-navbar.is-scrolled { box-shadow: 0 8px 24px rgba(0, 0, 0, .12); background: color-mix(in srgb, var(--cn-bg) 92%, transparent); }
.cn-brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 800; letter-spacing: -0.02em; font-size: 1.15rem; }
.cn-brand-mark { width: 30px; height: 30px; flex-shrink: 0; }
.cn-navbar .nav-link { position: relative; padding: .5rem .85rem !important; border-radius: 8px; font-size: .93rem; }
.cn-navbar .nav-link::after { content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .15rem; height: 2px; border-radius: 2px;
  background: var(--cn-gradient); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--cn-ease); }
.cn-navbar .nav-link:hover::after, .cn-navbar .nav-link.active::after { transform: scaleX(1); }
.cn-navbar .navbar-toggler { border-color: var(--cn-border); color: var(--cn-text); }
.cn-navbar .navbar-toggler-icon { filter: invert(var(--cn-toggler-invert, 0)); }
:root[data-theme="dark"] { --cn-toggler-invert: 1; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --cn-toggler-invert: 1; } }

/* ---- Section headings ---- */
.cn-section-head { max-width: 680px; margin: 0 auto 3.25rem; text-align: center; }
.cn-section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: .75rem; }
.cn-section-head p { color: var(--cn-text-muted); margin: 0; }
.cn-band { background: var(--cn-surface); border-block: 1px solid var(--cn-border); }

/* ---- Hero ---- */
.cn-hero { padding: 6rem 0 4.5rem; isolation: isolate; }
.cn-hero::before { inset: -10% -10% auto -10%; height: 85%; z-index: -2;
  background:
    radial-gradient(45% 55% at 20% 30%, color-mix(in srgb, var(--cn-accent) 22%, transparent), transparent 70%),
    radial-gradient(40% 50% at 82% 20%, color-mix(in srgb, var(--cn-accent-2) 18%, transparent), transparent 70%); }
.cn-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--cn-grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--cn-grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 25%, #000 25%, transparent 78%);
  mask-image: radial-gradient(70% 70% at 50% 25%, #000 25%, transparent 78%); }
.cn-hero-pill { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem .85rem .35rem .4rem; border-radius: 999px;
  background: var(--cn-surface); border: 1px solid var(--cn-border); font-size: .8rem; font-weight: 600; color: var(--cn-text-muted); }
.cn-hero-pill b { background: var(--cn-gradient); color: #fff; border-radius: 999px; padding: .15rem .55rem; font-size: .7rem; letter-spacing: .04em; }
.cn-hero-title { font-size: clamp(2.3rem, 5.2vw, 4.1rem); line-height: 1.04; letter-spacing: -0.035em; }
.cn-gradient-text { background: var(--cn-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cn-hero-points { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; color: var(--cn-text-muted); font-size: .88rem; }
.cn-hero-points i { color: var(--cn-success); margin-right: .35rem; }

/* Illustrative estimate card in the hero */
.cn-preview { position: relative; padding: 1.4rem; border-radius: 20px; background: color-mix(in srgb, var(--cn-card) 88%, transparent);
  backdrop-filter: blur(10px); border: 1px solid var(--cn-border); box-shadow: var(--cn-shadow-lg); }
.cn-preview::before { content: ""; position: absolute; inset: -1px; border-radius: 20px; padding: 1px; z-index: -1;
  background: var(--cn-gradient); opacity: .35; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; }
.cn-preview-row { display: flex; justify-content: space-between; align-items: center; padding: .55rem 0; font-size: .88rem; border-bottom: 1px dashed var(--cn-border); }
.cn-preview-row:last-of-type { border-bottom: 0; }
.cn-preview-tag { font-size: .65rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .15rem .5rem; border-radius: 999px; margin-left: .5rem; }
.cn-preview-tag.req { background: rgba(216, 54, 74, .12); color: var(--cn-danger); }
.cn-preview-tag.rec { background: var(--cn-accent-soft); color: var(--cn-accent); }
.cn-preview-total { display: flex; justify-content: space-between; align-items: baseline; padding-top: .9rem; margin-top: .4rem; border-top: 1px solid var(--cn-border); }
.cn-preview-total strong { font-size: 1.6rem; letter-spacing: -0.03em; }
.cn-float { animation: cn-float 6s ease-in-out infinite; }
@keyframes cn-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---- Process timeline ---- */
.cn-timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); counter-reset: step; position: relative; }
.cn-timeline li { position: relative; padding: 1.25rem 1rem; border-radius: var(--cn-radius); background: var(--cn-card); border: 1px solid var(--cn-border); text-align: center; }
.cn-timeline .cn-step-no { display: inline-flex; width: 38px; height: 38px; border-radius: 50%; align-items: center; justify-content: center; margin-bottom: .75rem;
  background: var(--cn-gradient); color: #fff; font-weight: 700; font-size: .85rem; box-shadow: 0 6px 14px color-mix(in srgb, var(--cn-accent) 30%, transparent); }
.cn-timeline h3 { font-size: .98rem; margin-bottom: .25rem; }
.cn-timeline p { font-size: .8rem; color: var(--cn-text-muted); margin: 0; }

/* ---- Chips / tech ---- */
.cn-chip { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem 1rem; border-radius: 999px; background: var(--cn-card);
  border: 1px solid var(--cn-border); font-weight: 600; font-size: .88rem; transition: border-color .2s, transform .2s var(--cn-ease); }
.cn-chip:hover { border-color: var(--cn-accent); transform: translateY(-2px); }
.cn-chip i { color: var(--cn-accent); }

/* ---- Feature list ---- */
.cn-benefit { display: flex; gap: 1rem; align-items: flex-start; }
.cn-benefit h3 { font-size: 1rem; margin-bottom: .2rem; }
.cn-benefit p { margin: 0; font-size: .9rem; color: var(--cn-text-muted); }
.cn-benefit .cn-icon-tile { width: 44px; height: 44px; font-size: 1.05rem; flex-shrink: 0; }

/* ---- CTA band ---- */
.cn-cta { position: relative; overflow: hidden; border-radius: 24px; padding: clamp(2rem, 5vw, 3.5rem); color: #fff; background: var(--cn-gradient); isolation: isolate; }
.cn-cta::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .18; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .6) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .6) 1px, transparent 1px); background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(80% 100% at 100% 0, #000, transparent 70%); mask-image: radial-gradient(80% 100% at 100% 0, #000, transparent 70%); }
.cn-cta h2, .cn-cta p { color: #fff; }
.cn-cta p { opacity: .9; }
.cn-cta .btn-light { font-weight: 700; color: var(--cn-accent-strong); border-radius: var(--cn-radius-sm); padding: .85rem 1.6rem; }

/* ---- Footer ---- */
.cn-footer h6 { color: var(--cn-text); letter-spacing: .12em; }
.cn-footer a { transition: color .15s; }
.cn-footer hr { opacity: 1; }

/* ---- Configurator ---- */
.cn-steps { display: flex; align-items: flex-start; gap: 0; position: relative; flex-wrap: nowrap; max-width: 860px; margin-inline: auto; }
.cn-step { flex: 1 1 0; min-width: 0; background: none; border: 0; padding: 0; display: flex; flex-direction: column; align-items: center; gap: .4rem; position: relative;
  font-size: .72rem; font-weight: 600; color: var(--cn-text-muted); text-align: center; }
.cn-step::before { content: ""; position: absolute; top: 17px; left: -50%; right: 50%; height: 2px; background: var(--cn-border); z-index: 0; }
.cn-step:first-child::before { display: none; }
.cn-step.done::before, .cn-step.active::before { background: var(--cn-accent); }
.cn-step-num { position: relative; z-index: 1; width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: var(--cn-surface); border: 2px solid var(--cn-border); color: var(--cn-text-muted); font-size: .85rem; font-weight: 700; transition: all .25s var(--cn-ease); }
.cn-step.active { background: none; border: 0; color: var(--cn-text); }
.cn-step.active .cn-step-num { background: var(--cn-gradient); border-color: transparent; color: #fff; box-shadow: 0 6px 16px color-mix(in srgb, var(--cn-accent) 35%, transparent); transform: scale(1.08); }
.cn-step.done { background: none; border: 0; color: var(--cn-accent); }
.cn-step.done .cn-step-num { background: var(--cn-accent-soft); border-color: var(--cn-accent); color: var(--cn-accent); font-size: 0; }
.cn-step.done .cn-step-num::after { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .8rem; }
@media (max-width: 575.98px) { .cn-step-label { display: none; } .cn-step.active .cn-step-label { display: block; position: absolute; top: 44px; white-space: nowrap; } .cn-steps { margin-bottom: 1.6rem; } }

@keyframes cn-enter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
#stepContainer > * { animation: cn-enter .35s var(--cn-ease) both; }
#stepContainer .col-md-6, #stepContainer .col-6 { animation: cn-enter .4s var(--cn-ease) both; }

#stepContainer label.cn-card { transition: border-color .2s, background-color .2s, transform .2s var(--cn-ease); }
#stepContainer label.cn-card:hover:not(.opacity-75) { border-color: color-mix(in srgb, var(--cn-accent) 55%, var(--cn-border)); transform: translateY(-2px); }
#stepContainer label.cn-card:has(input:checked) { border-color: var(--cn-accent); background: color-mix(in srgb, var(--cn-accent) 6%, var(--cn-card)); }
#stepContainer .form-check-input { width: 1.15rem; height: 1.15rem; border-color: var(--cn-border); background-color: var(--cn-surface); }
#stepContainer .form-check-input:checked { background-color: var(--cn-accent); border-color: var(--cn-accent); }
#stepContainer .btn-sm { padding: .5rem 1rem; border-radius: 999px; }
#stepContainer .cn-card-hover { text-align: left; }

.cn-estimate-title { display: flex; align-items: center; gap: .5rem; }
.cn-estimate-title::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cn-success); box-shadow: 0 0 0 4px rgba(26, 161, 92, .18); }

/* Mobile estimate bar (the sidebar estimate is desktop only) */
.cn-estimate-bar { position: fixed; inset: auto 0 0 0; z-index: 1040; padding: .7rem 1rem calc(.7rem + env(safe-area-inset-bottom));
  display: none; align-items: center; justify-content: space-between; gap: 1rem;
  background: color-mix(in srgb, var(--cn-surface) 94%, transparent); backdrop-filter: blur(14px); border-top: 1px solid var(--cn-border); box-shadow: 0 -8px 24px rgba(0, 0, 0, .12); }
.cn-estimate-bar small { display: block; color: var(--cn-text-muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.cn-estimate-bar strong { font-size: 1.15rem; letter-spacing: -0.02em; }
@media (max-width: 991.98px) {
  .cn-estimate-bar { display: flex; }
  .cn-has-estimate-bar { padding-bottom: 5rem; }
  .cn-sticky-estimate { position: static; }
}

/* ---- Forms ---- */
.form-label { font-weight: 600; font-size: .88rem; }
.form-control, .form-select { padding: .7rem .9rem; border-radius: var(--cn-radius-sm); }
.form-control::placeholder { color: color-mix(in srgb, var(--cn-text-muted) 70%, transparent); }

/* ---- Tables ---- */
.table { --bs-table-bg: transparent; --bs-table-color: var(--cn-text); --bs-table-border-color: var(--cn-border); }

/* ---- Motion preferences ---- */
@media (prefers-reduced-motion: reduce) {
  .cn-float, #stepContainer > *, #stepContainer .col-md-6, #stepContainer .col-6 { animation: none; }
  .btn-cn-primary:hover, .cn-card.cn-card-hover:hover, .cn-chip:hover { transform: none; }
}

.cn-lead-narrow { max-width: 38rem; }
.cn-hero .container.cn-narrow { max-width: 760px; }

/* ---- Brand (CN monogram + chrome/blue wordmark, after the original logo) ---- */
.cn-brand { color: var(--cn-text) !important; text-decoration: none; gap: .55rem; }
.cn-brand:hover { color: var(--cn-text) !important; }
.cn-brand-mark { height: 38px; width: auto; flex-shrink: 0; filter: drop-shadow(0 2px 10px color-mix(in srgb, #2a74ff 35%, transparent)); transition: transform .3s var(--cn-ease), filter .3s; }
.cn-brand:hover .cn-brand-mark { transform: scale(1.06); filter: drop-shadow(0 3px 14px color-mix(in srgb, #ff8a1f 40%, transparent)); }
.cn-wordmark { display: inline-flex; gap: .3em; font-weight: 800; letter-spacing: .06em; line-height: 1; font-size: 1.02rem; text-transform: uppercase; }
.cn-wordmark { background: none; }
.cn-wordmark { color: transparent; background-image: linear-gradient(180deg, var(--cn-text) 20%, color-mix(in srgb, var(--cn-text) 55%, #8b97a8)); -webkit-background-clip: text; background-clip: text; }
.cn-wordmark span { margin: 0; font-weight: 800; letter-spacing: .06em; background-image: linear-gradient(180deg, #5db2ff 10%, #1f5fff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cn-wordmark-sub { font-size: .66rem; font-weight: 600; letter-spacing: .32em; text-transform: uppercase; color: var(--cn-text-muted); }
.cn-admin-badge { font-size: .62rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--cn-text-muted); margin-top: .35rem; }
@media (prefers-reduced-motion: reduce) { .cn-brand:hover .cn-brand-mark { transform: none; } }

/* Estimate bar: keep the figure on one line; drop the disclaimer on very small screens */
.cn-estimate-bar small, .cn-estimate-bar strong { white-space: nowrap; }
.cn-estimate-bar > span { font-size: .7rem; line-height: 1.3; max-width: 11rem; }
@media (max-width: 479.98px) { .cn-estimate-bar > span { display: none; } .cn-estimate-bar { justify-content: center; } }


/* ============================================================
   Mobile bottom navigation (floating pill + round side buttons)
   ============================================================ */
:root {
  --cn-bnav-h: 88px;
  --cn-bnav-bg: #12141c;
  --cn-bnav-fg: #c4c9d8;
  --cn-bnav-border: transparent;
  --cn-circle-bg: #ffffff;
  --cn-circle-fg: #12141c;
}
:root[data-theme="dark"] {
  --cn-bnav-bg: #1a1e2c; --cn-bnav-fg: #aab0c4; --cn-bnav-border: #2c3350;
  --cn-circle-bg: #232842; --cn-circle-fg: #f1f2f6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cn-bnav-bg: #1a1e2c; --cn-bnav-fg: #aab0c4; --cn-bnav-border: #2c3350;
    --cn-circle-bg: #232842; --cn-circle-fg: #f1f2f6;
  }
}

.cn-bnav { display: none; }

@media (max-width: 991.98px) {
  body { padding-bottom: calc(var(--cn-bnav-h) + env(safe-area-inset-bottom)); }

  .cn-bnav {
    position: fixed; z-index: 1045; left: 0; right: 0; bottom: calc(.6rem + env(safe-area-inset-bottom));
    display: flex; align-items: center; justify-content: center; gap: .5rem; padding: 0 .65rem;
    pointer-events: none; transition: transform .3s var(--cn-ease), opacity .2s;
  }
  .cn-bnav > * { pointer-events: auto; }
  .cn-bnav.is-hidden { transform: translateY(160%); opacity: 0; pointer-events: none; }
  .cn-bnav.is-hidden > * { pointer-events: none; }

  .cn-bnav-pill {
    list-style: none; margin: 0; padding: .5rem .55rem; display: flex; align-items: flex-end; gap: .1rem;
    background: var(--cn-bnav-bg); border: 1px solid var(--cn-bnav-border); border-radius: 999px;
    box-shadow: 0 14px 34px rgba(8, 10, 20, .32), 0 2px 6px rgba(8, 10, 20, .2);
  }
  .cn-bnav-item {
    position: relative; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: .15rem;
    width: 3.6rem; height: 3.1rem; color: var(--cn-bnav-fg); text-decoration: none; -webkit-tap-highlight-color: transparent;
  }
  .cn-bnav-icon {
    width: 2rem; height: 2rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%;
    font-size: 1.05rem; transition: transform .3s var(--cn-ease), background-color .25s, box-shadow .25s, color .2s;
  }
  .cn-bnav-label { font-size: .66rem; font-weight: 600; letter-spacing: .01em; line-height: 1; transition: color .2s; }
  .cn-bnav-item:active .cn-bnav-icon { transform: scale(.9); }

  /* Active: the icon lifts into a raised gradient circle, ringed in the page colour */
  .cn-bnav-item.is-active { color: #fff; }
  .cn-bnav-item.is-active .cn-bnav-icon {
    transform: translateY(-1.05rem); width: 2.9rem; height: 2.9rem; font-size: 1.2rem; color: #fff;
    background: var(--cn-gradient); border: 4px solid var(--cn-bg);
    box-shadow: 0 8px 18px color-mix(in srgb, var(--cn-accent) 45%, transparent);
  }
  .cn-bnav-item.is-active .cn-bnav-label { color: #fff; }
  .cn-bnav-item.is-primary:not(.is-active) .cn-bnav-icon { color: #fff; background: var(--cn-gradient); }

  .cn-bnav-circle {
    flex-shrink: 0; width: 2.9rem; height: 2.9rem; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; border: 1px solid var(--cn-bnav-border); font-size: 1.05rem; cursor: pointer;
    background: var(--cn-circle-bg); color: var(--cn-circle-fg); text-decoration: none; -webkit-tap-highlight-color: transparent;
    box-shadow: 0 10px 24px rgba(8, 10, 20, .22), 0 2px 5px rgba(8, 10, 20, .14); transition: transform .2s var(--cn-ease);
  }
  .cn-bnav-circle:active { transform: scale(.92); }
  .cn-bnav-circle[hidden] { display: none; }
  .cn-bnav-circle.is-active { background: var(--cn-gradient); color: #fff; border-color: transparent; }

  /* the configurator estimate bar floats just above the nav */
  .cn-estimate-bar { bottom: calc(var(--cn-bnav-h) + env(safe-area-inset-bottom) - .2rem); left: .65rem; right: .65rem; border-radius: 16px; border: 1px solid var(--cn-border); }
  .cn-has-estimate-bar { padding-bottom: 6.5rem; }
  .cn-footer { padding-bottom: 1.5rem; }
  #toastHost { bottom: calc(var(--cn-bnav-h) + 4rem) !important; }
}

/* very narrow phones: drop the back circle so the pill never crowds */
@media (max-width: 359.98px) { .cn-bnav-back { display: none !important; } .cn-bnav-item { width: 3.2rem; } }

@media (prefers-reduced-motion: reduce) {
  .cn-bnav, .cn-bnav-icon, .cn-bnav-circle { transition: none; }
}

/* ---- Touch targets (>= 40px) for text links on small screens ---- */
.cn-back-link { padding: .6rem 0; }
@media (max-width: 991.98px) {
  .cn-footer ul.d-flex { gap: 0 !important; }
  .cn-footer ul a { display: inline-flex; align-items: center; min-height: 40px; }
  .cn-footer .fs-5 { gap: .25rem !important; }
  .cn-footer .fs-5 a { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--cn-border); }
}

/* ============================================================
   Developers page, demo cards
   ============================================================ */
.cn-dev-photo { position: relative; width: min(100%, 380px); padding: 10px; border-radius: 32px; background: var(--cn-gradient); box-shadow: var(--cn-shadow-lg); }
.cn-dev-photo img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 24px; background: var(--cn-surface); }
.cn-dev-photo::before { content: ""; position: absolute; inset: -24px; z-index: -1; border-radius: 48px; background: radial-gradient(60% 60% at 50% 50%, color-mix(in srgb, var(--cn-accent) 28%, transparent), transparent 70%); filter: blur(10px); }
.cn-dev-photo-caption { position: absolute; left: 22px; right: 22px; bottom: 22px; display: flex; flex-direction: column; padding: .7rem 1rem; border-radius: 16px; color: #fff;
  background: rgba(10, 12, 20, .62); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, .14); font-size: .8rem; }
.cn-dev-photo-caption strong { font-size: .95rem; letter-spacing: -0.01em; }
.cn-dev-photo-caption span { opacity: .8; }
.cn-dev-links a { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem .2rem; font-weight: 600; font-size: .92rem; }
.cn-dev-links i { color: var(--cn-accent); }
.cn-dev-list li { padding: .12rem 0; }
.cn-dev-list li::marker { color: var(--cn-accent); }

.cn-dev-strip { display: flex; flex-direction: column; align-items: flex-start; gap: 1.25rem; padding: 1.4rem; }
.cn-dev-strip img { width: 96px; height: 96px; border-radius: 22px; object-fit: cover; flex-shrink: 0; border: 3px solid transparent; background: var(--cn-gradient) border-box; box-shadow: var(--cn-shadow); }
@media (min-width: 768px) { .cn-dev-strip { flex-direction: row; align-items: center; padding: 1.6rem 2rem; } }

.cn-demo-card { border-color: color-mix(in srgb, var(--cn-success) 45%, var(--cn-border)); background: linear-gradient(135deg, color-mix(in srgb, var(--cn-success) 7%, var(--cn-card)), var(--cn-card)); }
.cn-demo-admin { border: 1px dashed color-mix(in srgb, var(--cn-success) 55%, var(--cn-border)); border-radius: var(--cn-radius-sm); background: color-mix(in srgb, var(--cn-success) 5%, transparent); }