/* Montinac 4.4 — Acid & Amethyst.
   Shared presentation layer; load after page-specific styles.
   Source chart images and product artwork retain their original colors. */
:root {
  color-scheme: dark;
  --acid: #c5e45a;
  --acid-hover: #d5ef80;
  --amethyst: #a47ae2;
  --amethyst-light: #bf9cf0;
  --acid-wash: rgba(197,228,90,.07);
  --amethyst-wash: rgba(164,122,226,.09);
  --bg: #0a1014;
  --bg-2: #0e1419;
  --ink: #080c10;
  --panel: #10171c;
  --panel-2: #171c24;
  --text: #f2f4f1;
  --soft: #b5c0c5;
  --muted: #a2adb5;
  --line: #29333a;
  --aqua: var(--acid);
  --mint: var(--acid);
  --violet: var(--amethyst);
  --gold: #f4cd6a;
  --mx-surface: var(--panel);
  --mx-line: var(--line);
  --mx-text: var(--text);
  --mx-soft: var(--soft);
  --mx-cyan: var(--acid);
  --mx-gold: var(--amethyst-light);
}
::selection { background: #45305f; color: #fff; }
body { background: var(--bg); }
:where(a,button,input,textarea,select,summary):focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

/* A quiet toolbar with the same two-color signature as the charts. */
.site-header,.site-header.is-scrolled {
  background: rgba(9,13,17,.97);
  border-bottom-color: #30313d;
}
.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px;
  height: 1px;
  background: linear-gradient(90deg,transparent 5%,rgba(197,228,90,.42) 30%,rgba(164,122,226,.55) 75%,transparent);
  pointer-events: none;
}
.brand { flex: 0 0 auto; }
.brand .brand-logo { display: block; width: 204px; height: 36px; max-width: 100%; }
.nav-shell { gap: 28px; }
.site-nav { gap: 23px; }
.site-nav>a { color: #bdc4ce; transition: color .18s,background .18s; }
.site-nav>a:hover,.site-nav>a.is-active { color: var(--acid); }
.site-nav>a.is-active:not(.nav-portal)::after {
  display: block;
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--acid);
  transform: none;
}
.site-nav .nav-account { border-left-color: #33333f; color: var(--text); }
.site-nav .nav-portal {
  color: #141b09;
  background: var(--acid);
  border-color: var(--acid);
  border-radius: 8px;
}
.site-nav .nav-portal:hover { background: var(--acid-hover); border-color: var(--acid-hover); color: #141b09; }
.menu-toggle span { background: var(--acid); }
.menu-toggle[aria-expanded="true"] span { background: var(--amethyst-light); }

/* Primary actions are acid. Obsidian's product accent is amethyst. */
.button-primary { background: var(--acid); border-color: var(--acid); color: #141b09; }
.button-primary:hover { background: var(--acid-hover); border-color: var(--acid-hover); color: #141b09; }
.button-ghost,.button-outline { border-color: #454151; background: transparent; }
.button-ghost:hover,.button-outline:hover { background: var(--amethyst-wash); border-color: var(--amethyst); }
.mx-theme-summit,.mx-tour { --mx-accent: var(--acid); --mx-wash: var(--acid-wash); }
.mx-theme-obsidian,.mx-tour.mx-theme-obsidian { --mx-accent: var(--amethyst-light); --mx-wash: var(--amethyst-wash); }
.mx-theme-obsidian .button-primary,
.mx-pricing-panel.mx-theme-obsidian .nx-price-card .button-primary {
  background: var(--amethyst-light); border-color: var(--amethyst-light); color: #190f29;
}
.mx-theme-obsidian .button-primary:hover,
.mx-pricing-panel.mx-theme-obsidian .nx-price-card .button-primary:hover {
  background: #ceb0f6; border-color: #ceb0f6;
}
.mx-hero {
  background: radial-gradient(ellipse at 82% 12%,rgba(164,122,226,.075),transparent 58%),
    radial-gradient(ellipse at 6% 76%,rgba(197,228,90,.035),transparent 46%);
}
.mx-section-soft,.nx-soft-section {
  background: linear-gradient(155deg,rgba(164,122,226,.035),rgba(16,23,28,.45));
}
.mx-final-cta,.nx-start-banner {
  border-color: #42404b;
  background: radial-gradient(ellipse at top right,rgba(164,122,226,.10),transparent 65%),var(--panel);
}
.mx-principles { background: #0c1116; }
.mx-card { background: linear-gradient(145deg,#141b20,#0e1419); }
.mx-decision-demo,.mx-support-note,.mx-requirements { background: var(--panel); border-color: var(--line); }
.mx-card-tags span { border-color: #35333f; color: #c3bdce; }

/* Product selectors, tour toolbars, and sticky navigation. */
.mx-product-tabs { background: #090e12; border-color: #33343e; }
.mx-product-tabs [aria-selected="true"] {
  background: #1b2318;
  border-color: #56613b;
}
.mx-product-tabs [data-mx-product="obsidian"][aria-selected="true"],
.mx-product-tabs>a[data-mx-price="obsidian"][aria-selected="true"] {
  background: #241c31; border-color: #66517e;
}
.mx-product-tabs strong { color: var(--text); }
.mx-tour { background: #0c1217; border-color: #35343f; }
.mx-tour-top { background: #11151d; }
.mx-tour-visual { background: radial-gradient(ellipse at 60% 35%,var(--mx-wash),transparent 80%),#0b1116; }
.mx-tour-caption { background: #12181f; }
.mx-tour-play { background: #1c1d29; border-color: #3b3748; }
.mx-tour-play:hover { color: var(--mx-accent); border-color: var(--mx-accent); }
.mx-tour-tabs button:hover { background: rgba(164,122,226,.065); color: var(--text); }
.mx-tour-tabs small { color: #98a2ad; }
.mx-tour-tabs [aria-selected="true"] { background: var(--mx-wash); }
.mx-tour-disclosure { color: #a3aab5; background: #0c1117; }
.mx-product-subnav { background: #11151c; border-color: #33343e; }
.mx-product-subnav a:hover { color: var(--amethyst-light); }
.mx-sticky-access { background: rgba(17,21,28,.97); border-color: #595064; }
.nx-tabs>button[aria-selected="true"] { color: var(--acid); background: #1b2318; border-color: #56613b; }

/* Pricing, access, setup and support share the same neutral surfaces. */
.nx-price-card,.portal-card { background: var(--panel); border-color: #35363f; }
.nx-price-card.is-featured {
  border-color: #8a9f49;
  background: linear-gradient(150deg,#1d251a,#10171c);
}
.nx-price-top>span { border-color: #57633b; background: var(--acid-wash); }
.mx-pricing-panel.mx-theme-obsidian .nx-price-card.is-featured {
  border-color: #9171b9;
  background: linear-gradient(150deg,#241d30,#11171d);
}
.mx-pricing-panel.mx-theme-obsidian .nx-price-top>span {
  border-color: #655078; background: var(--amethyst-wash);
}
.montinac-form { background: var(--panel); border-color: #41404b; }
.montinac-form input:not([type="checkbox"]),.montinac-form select,.montinac-form textarea {
  background: #0b1116; border-color: #4c4858; color: var(--text);
}
.montinac-form input:focus,.montinac-form select:focus,.montinac-form textarea:focus {
  border-color: var(--amethyst-light); box-shadow: 0 0 0 3px rgba(164,122,226,.13);
}
.montinac-form input::placeholder,.montinac-form textarea::placeholder { color: #a1a9b4; }
.nx-steps article { border-top-color: #3c3848; }
.faq-item[open],.mx-faq details[open] { border-color: #655078; }

/* The film and chart viewer keep their original media. */
.mf-film { border-color: #44404f; background: #090d12; }
.mf-film-heading,.mf-film-caption { background: #12151d; border-color: #35333f; }
.mf-film-heading>span:first-child,.mf-film-caption a:hover { color: var(--acid); }
.mf-play-circle {
  background: rgba(21,28,13,.94); color: var(--acid);
  border-color: rgba(197,228,90,.7); box-shadow: 0 0 28px rgba(197,228,90,.09);
}
.mf-interface-details { background: var(--panel); border-color: #3b3748; }
.mf-interface-details>summary>span { color: var(--amethyst-light); }
.mf-stage video:focus-visible,.mf-play-cover:focus-visible,
.mf-film-caption a:focus-visible,.mf-interface-details>summary:focus-visible { outline-color: var(--acid); }
.nx-lightbox { background: #0e131a; border-color: #655078; }
.nx-dialog-actions button,.nx-dialog-actions a { background: #1b1b29; border-color: #4b425b; }
.nx-dialog-actions button:hover,.nx-dialog-actions a:hover { border-color: var(--amethyst-light); }

/* Footer and privacy controls are part of the same visual system. */
.site-footer { background: #090d12; border-top-color: #37313f; }
.nx-footer h3 { color: #d1b5f2; }
.nx-footer a:hover,.mnt-privacy-settings:hover { color: var(--acid); }
.nx-footer-note { border-top-color: #2b2934; }
.mnt-consent { background: #12151d; border-color: #544961; }
.mnt-consent-copy a { color: var(--amethyst-light); }
.mnt-consent-actions button { background: #22212d; border-color: #655771; }
.mnt-consent-actions button:hover { background: #2d283a; border-color: var(--amethyst-light); }
.mnt-consent button:focus-visible,.mnt-consent a:focus-visible,.mnt-privacy-settings:focus-visible { outline-color: var(--acid); }

@media (min-width:901px) and (max-width:1240px) {
  .brand .brand-logo { width: 172px; height: 31px; }
  .nav-shell { gap: 18px; }
  .site-nav { gap: 12px; }
  .site-nav>a { font-size: 12px; }
  .site-nav .nav-account { padding-left: 12px; }
  .site-nav .nav-portal { padding-inline: 12px; gap: 9px; }
}
@media (min-width:901px) and (max-width:1000px) {
  .brand .brand-logo { width: 146px; height: 26px; }
  .nav-shell { gap: 14px; }
  .site-nav { gap: 9px; }
  .site-nav .nav-account { padding-left: 9px; }
  .site-nav .nav-portal { padding-inline: 10px; gap: 8px; }
}
@media (max-width:900px) {
  .brand .brand-logo { width: 187px; height: 33px; }
  .site-nav { background: #10131c; border-bottom-color: #655078; gap: 6px; max-height: calc(100dvh - var(--header)); overflow-y: auto; }
  .site-nav>a { border-radius: 6px; }
  .site-nav>a:hover,.site-nav>a.is-active { background: var(--amethyst-wash); }
  .site-nav>a.is-active:not(.nav-portal)::after { display: none; }
  .site-nav .nav-portal { background: var(--acid); }
}
@media (max-width:600px) {
  .brand .brand-logo { width: 176px; height: 31px; }
  .site-footer .brand .brand-logo { width: 204px; height: 36px; }
}
@media (prefers-reduced-motion:reduce) {
  .site-nav>a { transition: none; }
}