/* HydraX Rail portal landing — dark by design.
   `prefers-color-scheme` is intentionally NOT honored; the surface is dark-only.
   `backdrop-filter` rules are paired with an `@supports` solid-bg fallback. */

:root {
  /* Brand — neutral grey core */
  --hx-bg: hsl(0, 0%, 8%);
  --hx-bg-elevated: hsl(0, 0%, 14%);
  --hx-ink: hsl(0, 0%, 96%);
  --hx-ink-soft: hsla(0, 0%, 96%, 0.72);
  --hx-ink-muted: hsla(0, 0%, 96%, 0.55);
  --hx-accent: hsl(30, 8%, 78%);
  --hx-accent-strong: hsl(30, 8%, 92%);
  --hx-success: hsl(140, 60%, 50%);
  --hx-border: hsla(0, 0%, 96%, 0.12);

  /* Teal highlight — interactive state, primary CTA, image-overlay tint.
     Warm grey stays the body accent; teal is reserved for highlights. */
  --hx-teal: hsl(178, 64%, 48%);
  --hx-teal-strong: hsl(178, 60%, 56%);
  --hx-teal-soft: hsla(178, 64%, 48%, 0.14);
  --hx-teal-glow: hsla(178, 64%, 48%, 0.30);
  --hx-teal-image: hsla(178, 64%, 48%, 0.20);

  /* Liquid-glass surfaces — warm-grey wash, no blue chroma */
  --hx-glass-bg: hsla(0, 0%, 14%, 0.55);
  --hx-glass-bg-strong: hsla(0, 0%, 14%, 0.78);
  --hx-glass-tint: hsla(0, 0%, 96%, 0.04);
  --hx-glass-border: hsla(0, 0%, 96%, 0.10);
  --hx-glass-highlight: hsla(0, 0%, 96%, 0.08);
  --hx-glass-blur: blur(24px) saturate(140%);
  --hx-glass-blur-nav: blur(18px) saturate(160%);

  /* Typography */
  --hx-font-sans: "Inter", "SF Pro Text", system-ui, -apple-system, sans-serif;
  --hx-font-display: "Inter", "SF Pro Display", system-ui, -apple-system, sans-serif;
  --hx-display-1: clamp(2.5rem, 4.4vw + 1rem, 4.25rem);
  --hx-display-2: clamp(1.875rem, 2.4vw + 1rem, 2.75rem);
  --hx-h3: 1.375rem;
  --hx-body: 1rem;
  --hx-small: 0.875rem;
  --hx-eyebrow: 0.75rem;

  /* Spacing scale (8pt) */
  --hx-space-1: 0.5rem;
  --hx-space-2: 1rem;
  --hx-space-3: 1.5rem;
  --hx-space-4: 2rem;
  --hx-space-5: 3rem;
  --hx-space-6: 4rem;
  --hx-space-7: 6rem;

  /* Radii */
  --hx-radius-sm: 8px;
  --hx-radius-md: 14px;
  --hx-radius-lg: 20px;
  --hx-radius-xl: 28px;

  /* Motion */
  --hx-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hx-fast: 140ms;
  --hx-medium: 260ms;
  --hx-slow: 420ms;

  /* Shadows */
  --hx-shadow-glass: 0 12px 32px rgba(0, 0, 0, 0.32), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
  --hx-shadow-elevated: 0 24px 56px rgba(0, 0, 0, 0.42), 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

/* Base reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh;
  background: var(--hx-bg);
  color: var(--hx-ink);
  font-family: var(--hx-font-sans);
  font-size: var(--hx-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--hx-teal); outline-offset: 3px; border-radius: 4px; }

/* Container + section */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: var(--hx-space-7); }
.section__header {
  display: flex; flex-direction: column; gap: var(--hx-space-2);
  max-width: 720px; margin-block-end: var(--hx-space-5);
}
.section__eyebrow {
  font-size: var(--hx-eyebrow); text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--hx-accent); font-weight: 600;
}
.section__title {
  font-family: var(--hx-font-display); font-size: var(--hx-display-2);
  line-height: 1.08; letter-spacing: -0.02em; color: var(--hx-ink); font-weight: 600;
}
.section__lede {
  font-size: 1.0625rem; color: var(--hx-ink-soft); line-height: 1.6; max-width: 640px;
}

/* Skip link */
.skip-link {
  position: absolute; inset-block-start: -100px; inset-inline-start: 16px;
  padding: 12px 16px; background: var(--hx-bg-elevated); color: var(--hx-ink);
  border: 1px solid var(--hx-border); border-radius: var(--hx-radius-md); z-index: 1100;
  transition: inset-block-start var(--hx-fast) var(--hx-ease);
}
.skip-link:focus, .skip-link:focus-visible { position: fixed; inset-block-start: 16px; }

/* Liquid-glass mixin (anti-pattern guard: never on body or main) */
.glass {
  background: var(--hx-glass-bg);
  border: 1px solid var(--hx-glass-border);
  border-radius: var(--hx-radius-lg);
  box-shadow: var(--hx-shadow-glass);
  backdrop-filter: var(--hx-glass-blur);
  -webkit-backdrop-filter: var(--hx-glass-blur);
  position: relative;
  isolation: isolate;
}
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(180deg, var(--hx-glass-highlight) 0%, transparent 28%);
  pointer-events: none; z-index: 0;
}
.glass::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: var(--hx-glass-tint); pointer-events: none; z-index: 0;
}
.glass > * { position: relative; z-index: 1; }

@supports not (backdrop-filter: blur(1px)) {
  .glass { background: var(--hx-glass-bg-strong); }
}

.glass--nav {
  border-radius: 0; border-inline: 0; border-block-start: 0;
  backdrop-filter: var(--hx-glass-blur-nav);
  -webkit-backdrop-filter: var(--hx-glass-blur-nav);
}
.glass--card {
  transition: transform var(--hx-medium) var(--hx-ease),
              box-shadow var(--hx-medium) var(--hx-ease),
              border-color var(--hx-medium) var(--hx-ease);
}
.glass--card:hover {
  transform: translateY(-2px);
  box-shadow: var(--hx-shadow-elevated), 0 0 0 1px var(--hx-teal-soft);
  border-color: var(--hx-teal-soft);
}
.glass--button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--hx-space-1);
  min-height: 44px; padding-inline: var(--hx-space-3); border-radius: 999px;
  color: var(--hx-ink); font-size: var(--hx-small); font-weight: 600; letter-spacing: 0.01em;
  transition: transform var(--hx-fast) var(--hx-ease),
              border-color var(--hx-fast) var(--hx-ease),
              background-color var(--hx-fast) var(--hx-ease);
}
.glass--button:hover { border-color: hsla(30, 8%, 78%, 0.42); background-color: hsla(0, 0%, 14%, 0.7); }
.glass--button:active { transform: translateY(1px); }
.glass--button-primary {
  background: var(--hx-teal); border-color: var(--hx-teal-strong); color: hsl(0, 0%, 8%);
  box-shadow: 0 8px 24px var(--hx-teal-glow), 0 1px 0 rgba(255, 255, 255, 0.18) inset;
}
.glass--button-primary:hover { background: var(--hx-teal-strong); color: hsl(0, 0%, 8%); border-color: var(--hx-teal-strong); }
.glass--inset {
  display: inline-flex; align-items: center; gap: var(--hx-space-1);
  padding: 6px 12px; background: hsla(0, 0%, 96%, 0.04);
  border: 1px solid var(--hx-glass-border); border-radius: 999px;
  font-size: var(--hx-small); color: var(--hx-ink-soft);
}

/* Nav */
.nav {
  position: sticky; inset-block-start: 0; z-index: 900; width: 100%;
  transition: padding var(--hx-medium) var(--hx-ease), backdrop-filter var(--hx-medium) var(--hx-ease);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--hx-space-3); padding-block: 18px;
}
.nav__brand {
  display: inline-flex; align-items: center; gap: var(--hx-space-1);
  color: var(--hx-ink); font-weight: 600; letter-spacing: -0.01em;
}
.nav__brand-mark {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--hx-teal);
  box-shadow: 0 0 0 4px var(--hx-teal-soft);
  animation: hxBrandPulse 2.6s var(--hx-ease) infinite;
}
@keyframes hxBrandPulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--hx-teal-soft); }
  50%      { box-shadow: 0 0 0 6px var(--hx-teal-glow); }
}
.nav__brand-text { font-size: 1rem; }
.nav__menu { display: flex; align-items: center; gap: var(--hx-space-3); }
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: var(--hx-space-1);
  padding-block: 8px; color: var(--hx-ink-soft); font-size: var(--hx-small); font-weight: 500;
  transition: color var(--hx-fast) var(--hx-ease);
}
.nav__link::after {
  content: ""; position: absolute; inset-inline: 0; inset-block-end: 2px;
  height: 1px; background: var(--hx-teal);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform var(--hx-medium) var(--hx-ease);
}
.nav__link:hover, .nav__link:focus-visible { color: var(--hx-ink); }
.nav__link:hover::after, .nav__link:focus-visible::after { transform: scaleX(1); }
.nav__solutions { cursor: pointer; }
.nav__solutions[aria-expanded="true"]::after { transform: scaleX(1); }
.nav__cta-row { display: flex; align-items: center; gap: var(--hx-space-1); }
.nav__toggle {
  display: none; position: relative; width: 40px; height: 40px;
  align-items: center; justify-content: center; border-radius: var(--hx-radius-sm);
}
.nav__toggle-bar {
  position: absolute; inset-inline: 10px; height: 2px;
  background: var(--hx-ink); border-radius: 999px;
  transition: transform var(--hx-medium) var(--hx-ease), opacity var(--hx-fast) var(--hx-ease);
}
.nav__toggle-bar:nth-child(1) { inset-block-start: 13px; }
.nav__toggle-bar:nth-child(2) { inset-block-start: 19px; }
.nav__toggle-bar:nth-child(3) { inset-block-start: 25px; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav.is-scrolled {
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
}
.nav.is-scrolled .nav__inner { padding-block: 12px; }

/* Solutions mega-menu */
.solutions-menu {
  position: absolute; inset-block-start: calc(100% + 12px); inset-inline-start: 50%;
  transform: translateX(-50%) translateY(-4px);
  display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: var(--hx-space-3);
  width: min(880px, 92vw); padding: var(--hx-space-4);
  background: hsla(0, 0%, 9%, 0.96);
  border-color: hsla(30, 8%, 78%, 0.18);
  box-shadow: 0 24px 60px hsla(0, 0%, 0%, 0.55), var(--hx-shadow-glass);
  opacity: 0; pointer-events: none;
  transition: opacity var(--hx-medium) var(--hx-ease), transform var(--hx-medium) var(--hx-ease);
  z-index: 950;
}
.solutions-menu.is-open {
  opacity: 1; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.solutions-menu__col { display: flex; flex-direction: column; gap: var(--hx-space-1); }
.solutions-menu__title {
  font-size: var(--hx-eyebrow); text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--hx-ink-muted); margin-block-end: 6px;
}
.solutions-menu__item {
  display: block; padding: 8px 10px; margin-inline: -10px;
  border-radius: var(--hx-radius-sm); color: var(--hx-ink);
  font-size: var(--hx-small); font-weight: 500;
  transition: background-color var(--hx-fast) var(--hx-ease);
}
.solutions-menu__item:hover, .solutions-menu__item:focus-visible {
  background-color: var(--hx-teal-soft);
  color: var(--hx-ink);
}

/* Hero — outer is positioning + spacing only; .hero__inner owns the grid + container gutters */
.hero {
  position: relative;
  padding-block: 96px var(--hx-space-7);
  min-height: 640px;
}
.hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background-color: var(--hx-bg-elevated);
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.55) 0%, hsla(0, 0%, 8%, 0.92) 100%),
    radial-gradient(ellipse at 20% 30%, hsla(178, 64%, 48%, 0.22), transparent 55%),
    radial-gradient(ellipse at 80% 60%, hsla(178, 64%, 48%, 0.10), transparent 60%),
    url("assets/hero-bg.jpg");
  background-size: cover; background-position: center;
}
.hero--quickstart .hero__bg {
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.55) 0%, hsla(0, 0%, 8%, 0.92) 100%),
    radial-gradient(ellipse at 20% 30%, hsla(178, 64%, 48%, 0.22), transparent 55%),
    url("/assets/quickstart-hero.jpg");
}
.hero--pricing .hero__bg {
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.55) 0%, hsla(0, 0%, 8%, 0.92) 100%),
    radial-gradient(ellipse at 80% 30%, hsla(35, 60%, 50%, 0.18), transparent 55%),
    url("/assets/pricing-hero.jpg");
}
.hero--docs .hero__bg {
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.55) 0%, hsla(0, 0%, 8%, 0.92) 100%),
    radial-gradient(ellipse at 30% 60%, hsla(35, 50%, 45%, 0.18), transparent 60%),
    url("/assets/docs-hero.jpg");
}
.hero--page { min-height: 480px; padding-block: 96px var(--hx-space-6); }
.hero--page .hero__inner { grid-template-columns: 1fr; }
.hero--page .hero__copy { max-width: 720px; }
.hero__copy { display: flex; flex-direction: column; gap: var(--hx-space-3); max-width: 620px; }
.hero__eyebrow {
  font-size: var(--hx-eyebrow); text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--hx-accent); font-weight: 600;
}
.hero__title {
  font-family: var(--hx-font-display); font-size: var(--hx-display-1);
  line-height: 1.04; letter-spacing: -0.025em; color: var(--hx-ink); font-weight: 600;
}
.hero__lede { font-size: 1.125rem; color: var(--hx-ink-soft); line-height: 1.6; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--hx-space-2); margin-block-start: var(--hx-space-2); }
.hero__metrics { display: flex; flex-direction: column; gap: var(--hx-space-2); padding: var(--hx-space-4); }
.hero__metric {
  display: flex; flex-direction: column; gap: 4px;
  padding-block: var(--hx-space-2); border-block-end: 1px solid var(--hx-glass-border);
}
.hero__metric:last-child { border-block-end: 0; padding-block-end: 0; }
.hero__metric strong {
  font-size: 1.5rem; font-weight: 600; color: var(--hx-ink); letter-spacing: -0.01em;
}
.hero__metric span { font-size: var(--hx-small); color: var(--hx-ink-muted); }

/* Value strip */
.value-strip { padding-block: var(--hx-space-5); }
.value-strip__items {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--hx-space-3);
}
.value-strip__item {
  display: flex; flex-direction: column; gap: var(--hx-space-1); padding: var(--hx-space-3);
}
.value-strip__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--hx-radius-sm);
  background: rgba(74, 222, 128, 0.10); color: var(--hx-success);
  border: 1px solid rgba(74, 222, 128, 0.22);
}
.value-strip__title {
  font-size: 1.0625rem; font-weight: 600; color: var(--hx-ink); margin-block-start: var(--hx-space-1);
}
.value-strip__copy { font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.55; }

/* Portals */
.portals { padding-block: var(--hx-space-7); }
.portals__grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--hx-space-3);
}
.portal-card {
  display: flex; flex-direction: column; gap: var(--hx-space-2);
  padding: var(--hx-space-4); color: var(--hx-ink); text-decoration: none;
}
.portal-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--hx-radius-sm);
  background: var(--hx-teal-soft);
  border: 1px solid var(--hx-teal-glow);
  color: var(--hx-teal);
}
.portal-card__role {
  font-size: var(--hx-eyebrow); text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--hx-ink-muted); font-weight: 600;
}
.portal-card__title {
  font-size: var(--hx-h3); font-weight: 600; color: var(--hx-ink); letter-spacing: -0.01em;
}
.portal-card__desc {
  font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.55; flex: 1;
}
.portal-card__suggested { align-self: flex-start; font-size: 0.8125rem; color: var(--hx-ink-soft); }
.portal-card__try {
  align-self: flex-start; font-size: 0.8125rem;
  color: var(--hx-ink-soft); text-decoration: none;
  border-bottom: 1px dashed var(--hx-teal-soft);
  padding-block-end: 2px;
  transition: color var(--hx-fast) var(--hx-ease), border-color var(--hx-fast) var(--hx-ease);
}
.portal-card__try::before { content: ""; }
.portal-card__try:hover,
.portal-card__try:focus-visible { color: var(--hx-teal-strong); border-bottom-color: var(--hx-teal); }
.portal-card__cta {
  display: inline-flex; align-items: center; gap: var(--hx-space-1);
  margin-block-start: var(--hx-space-1); font-size: var(--hx-small); font-weight: 600;
  color: var(--hx-teal); letter-spacing: 0.02em;
  transition: gap var(--hx-medium) var(--hx-ease), color var(--hx-fast) var(--hx-ease);
}
.portal-card:hover .portal-card__cta,
.portal-card:focus-visible .portal-card__cta { gap: 12px; color: var(--hx-teal-strong); }

/* Deep dives — cross-cutting topics that live inside existing portals */
.deep-dives { padding-block: var(--hx-space-6); }
.deep-dives__grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--hx-space-3);
}
.deep-dive-card {
  display: flex; flex-direction: column; gap: var(--hx-space-2);
  padding: var(--hx-space-3); color: var(--hx-ink); text-decoration: none;
}
.deep-dive-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--hx-radius-sm);
  background: var(--hx-teal-soft);
  border: 1px solid var(--hx-teal-glow);
  color: var(--hx-teal);
}
.deep-dive-card__where {
  font-size: var(--hx-eyebrow); text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--hx-ink-muted); font-weight: 600;
}
.deep-dive-card__title {
  font-size: 1.0625rem; font-weight: 600; color: var(--hx-ink); letter-spacing: -0.005em;
}
.deep-dive-card__desc {
  font-size: 0.875rem; color: var(--hx-ink-soft); line-height: 1.55; flex: 1;
}
.deep-dive-card__desc code {
  font-family: var(--hx-font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.8125rem; padding: 1px 4px; border-radius: 3px;
  background: var(--hx-teal-soft); color: var(--hx-teal-strong);
}
.deep-dive-card__cta {
  display: inline-flex; align-items: center; gap: var(--hx-space-1);
  margin-block-start: var(--hx-space-1); font-size: 0.8125rem; font-weight: 600;
  color: var(--hx-teal); letter-spacing: 0.02em;
  transition: gap var(--hx-medium) var(--hx-ease), color var(--hx-fast) var(--hx-ease);
}
.deep-dive-card:hover .deep-dive-card__cta,
.deep-dive-card:focus-visible .deep-dive-card__cta { gap: 12px; color: var(--hx-teal-strong); }

/* Quickstart */
.quickstart { padding-block: var(--hx-space-7); }
.quickstart__tabs {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px; margin-block-end: var(--hx-space-4);
}
.quickstart__tab {
  display: inline-flex; align-items: center; gap: var(--hx-space-1);
  padding: 10px 18px; border-radius: 999px;
  color: var(--hx-ink-soft); font-size: var(--hx-small); font-weight: 500;
  transition: background-color var(--hx-fast) var(--hx-ease), color var(--hx-fast) var(--hx-ease);
}
.quickstart__tab:hover { color: var(--hx-ink); }
.quickstart__tab.is-active,
.quickstart__tab[aria-selected="true"] {
  background: var(--hx-teal-soft); color: var(--hx-ink); font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--hx-teal-glow);
}
.quickstart__panel { display: none; }
.quickstart__panel.is-active { display: block; }
.quickstart__panel[aria-hidden="true"] { display: none; }
.quickstart__steps {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--hx-space-3);
}
.quickstart__step {
  display: flex; flex-direction: column; gap: var(--hx-space-2); padding: var(--hx-space-4);
}
.quickstart__step-num {
  font-family: var(--hx-font-display); font-size: 2.5rem; font-weight: 600;
  line-height: 1; color: var(--hx-teal); letter-spacing: -0.03em;
}
.quickstart__step-title { font-size: 1.125rem; font-weight: 600; color: var(--hx-ink); }
.quickstart__step-copy {
  font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.55; flex: 1;
}
.quickstart__step-cta {
  display: inline-flex; align-items: center; gap: var(--hx-space-1);
  font-size: var(--hx-small); font-weight: 600; color: var(--hx-teal);
  transition: gap var(--hx-medium) var(--hx-ease), color var(--hx-fast) var(--hx-ease);
}
.quickstart__step-cta:hover, .quickstart__step-cta:focus-visible { color: var(--hx-teal-strong); gap: 12px; }

/* Solutions */
.solutions { padding-block: var(--hx-space-7); }
.solutions__grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--hx-space-3);
}
.solution-card {
  display: flex; flex-direction: column; overflow: hidden; padding: 0;
}
.solution-card__media {
  height: 220px;
  background:
    linear-gradient(135deg, var(--hx-teal-image) 0%, hsla(0, 0%, 14%, 0.55) 100%),
    var(--hx-bg-elevated);
  background-size: cover; background-position: center;
  border-block-end: 1px solid var(--hx-glass-border);
  display: flex; align-items: center; justify-content: center; color: var(--hx-teal);
}
.solution-card__media[data-img="issuance"],
.solution-card__media[data-img="distribution"],
.solution-card__media[data-img="servicing"] {
  background-size: cover; background-position: center;
}
.solution-card__media[data-img="issuance"] {
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.20), hsla(0, 0%, 8%, 0.45)),
    linear-gradient(135deg, var(--hx-teal-image) 0%, hsla(178, 64%, 48%, 0.04) 70%),
    url("assets/solutions-issuance.jpg");
}
.solution-card__media[data-img="distribution"] {
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.20), hsla(0, 0%, 8%, 0.45)),
    linear-gradient(135deg, var(--hx-teal-image) 0%, hsla(178, 64%, 48%, 0.04) 70%),
    url("assets/solutions-distribution.jpg");
}
.solution-card__media[data-img="servicing"] {
  background-image:
    linear-gradient(180deg, hsla(0, 0%, 8%, 0.20), hsla(0, 0%, 8%, 0.45)),
    linear-gradient(135deg, var(--hx-teal-image) 0%, hsla(178, 64%, 48%, 0.04) 70%),
    url("assets/solutions-servicing.jpg");
}
.solution-card__body {
  display: flex; flex-direction: column; gap: var(--hx-space-2); padding: 24px; flex: 1;
}
.solution-card__title {
  font-size: var(--hx-h3); font-weight: 600; color: var(--hx-ink); letter-spacing: -0.01em;
}
.solution-card__copy { font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.6; }
.solution-card__bullets {
  display: flex; flex-direction: column; gap: var(--hx-space-1);
  font-size: var(--hx-small); color: var(--hx-ink-soft);
}
.solution-card__bullets li { position: relative; padding-inline-start: 26px; }
.solution-card__bullets li::before {
  content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: hsla(30, 8%, 78%, 0.16);
  border: 1px solid var(--hx-accent);
  background-image:
    linear-gradient(135deg, transparent 45%, var(--hx-accent) 46%, var(--hx-accent) 54%, transparent 55%),
    linear-gradient(45deg, transparent 45%, var(--hx-accent) 46%, var(--hx-accent) 54%, transparent 55%);
  background-size: 8px 8px; background-position: center; background-repeat: no-repeat;
}

/* Pricing */
.pricing { padding-block: var(--hx-space-7); }
.pricing__grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--hx-space-3); align-items: stretch;
}
.pricing-card {
  display: flex; flex-direction: column; gap: var(--hx-space-3);
  padding: var(--hx-space-4);
}
.pricing-card--featured {
  border-color: var(--hx-teal);
  box-shadow: 0 0 0 1px var(--hx-teal-soft), 0 18px 60px -28px var(--hx-teal-glow);
}
.pricing-card__head {
  display: flex; flex-direction: column; gap: var(--hx-space-2);
  padding-block-end: var(--hx-space-3);
  border-block-end: 1px solid var(--hx-glass-border);
}
.pricing-card__icon {
  width: 48px; height: 48px; border-radius: var(--hx-radius-md);
  color: var(--hx-teal);
  display: inline-flex; align-items: center; justify-content: center;
}
.pricing-card__badge {
  align-self: flex-start;
  font-size: var(--hx-eyebrow); font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--hx-ink-muted);
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--hx-glass-border);
  background: var(--hx-glass-tint);
}
.pricing-card__badge--featured {
  color: var(--hx-teal-strong);
  border-color: var(--hx-teal);
  background: var(--hx-teal-soft);
}
.pricing-card__title {
  font-family: var(--hx-font-display);
  font-size: 1.625rem; font-weight: 600; color: var(--hx-ink);
  letter-spacing: -0.015em;
}
.pricing-card__subtitle {
  font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.55;
}
.pricing-card__price {
  display: flex; flex-direction: column; gap: 4px;
  margin-block-start: var(--hx-space-1);
}
.pricing-card__price-band {
  font-family: var(--hx-font-display);
  font-size: 1.75rem; font-weight: 600; color: var(--hx-ink);
  letter-spacing: -0.02em;
}
.pricing-card__price-cta {
  font-size: var(--hx-small); color: var(--hx-ink-muted);
  letter-spacing: 0.02em;
}
.pricing-card__bullets {
  display: flex; flex-direction: column; gap: var(--hx-space-2);
  font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.55;
  flex: 1;
}
.pricing-card__bullets li {
  position: relative; padding-inline-start: 26px;
}
.pricing-card__bullets li::before {
  content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: hsla(30, 8%, 78%, 0.16);
  border: 1px solid var(--hx-accent);
  background-image:
    linear-gradient(135deg, transparent 45%, var(--hx-accent) 46%, var(--hx-accent) 54%, transparent 55%),
    linear-gradient(45deg, transparent 45%, var(--hx-accent) 46%, var(--hx-accent) 54%, transparent 55%);
  background-size: 8px 8px; background-position: center; background-repeat: no-repeat;
}
.pricing-card--featured .pricing-card__bullets li::before {
  border-color: var(--hx-teal);
  background-image:
    linear-gradient(135deg, transparent 45%, var(--hx-teal) 46%, var(--hx-teal) 54%, transparent 55%),
    linear-gradient(45deg, transparent 45%, var(--hx-teal) 46%, var(--hx-teal) 54%, transparent 55%);
  background-color: var(--hx-teal-soft);
}
.pricing-card__cta {
  align-self: flex-start;
  margin-block-start: var(--hx-space-2);
}
.pricing__footnote {
  margin-block-start: var(--hx-space-4);
  font-size: var(--hx-small); color: var(--hx-ink-muted); line-height: 1.55;
  text-align: center;
}
@media (max-width: 960px) {
  .pricing__grid { grid-template-columns: 1fr; }
}

/* Trust */
.trust { padding-block: var(--hx-space-7); }
.trust__quote {
  display: flex; flex-direction: column; gap: var(--hx-space-3);
  padding: var(--hx-space-5);
  font-family: var(--hx-font-display); font-size: 1.5rem; font-style: italic;
  line-height: 1.45; color: var(--hx-ink); letter-spacing: -0.01em;
}
.trust__author {
  font-size: var(--hx-small); font-style: normal;
  color: var(--hx-ink-muted); letter-spacing: 0.04em;
}
.trust__logos {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--hx-space-3); margin-block-start: var(--hx-space-5); align-items: center;
}
.trust__logo {
  font-family: var(--hx-font-display); font-size: 1.125rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--hx-ink-muted); text-align: center;
  padding-block: var(--hx-space-2);
  border: 1px dashed var(--hx-glass-border); border-radius: var(--hx-radius-md);
}

/* Contact */
.contact { padding-block: var(--hx-space-7); }
.contact__inner {
  display: flex; flex-direction: column; gap: var(--hx-space-3); padding: var(--hx-space-5);
}
.contact__copy {
  font-size: 1.0625rem; color: var(--hx-ink-soft); line-height: 1.6; max-width: 640px;
}
.contact__email {
  display: inline-flex; align-items: center; gap: var(--hx-space-2);
  font-family: var(--hx-font-display);
  font-size: clamp(1.5rem, 2.4vw + 0.5rem, 2.25rem);
  font-weight: 600; color: var(--hx-ink); letter-spacing: -0.01em;
  transition: color var(--hx-fast) var(--hx-ease);
}
.contact__email:hover, .contact__email:focus-visible { color: var(--hx-teal); }
.contact__email svg { width: 32px; height: 32px; color: var(--hx-teal); }
.contact__sublinks {
  display: flex; flex-wrap: wrap; gap: var(--hx-space-3); margin-block-start: var(--hx-space-2);
}
.contact__sublinks a {
  position: relative; font-size: var(--hx-small);
  color: var(--hx-ink-soft);
  transition: color var(--hx-fast) var(--hx-ease);
}
.contact__sublinks a::after {
  content: ""; position: absolute; inset-inline: 0; inset-block-end: -3px;
  height: 1px; background: var(--hx-teal);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform var(--hx-medium) var(--hx-ease);
}
.contact__sublinks a:hover, .contact__sublinks a:focus-visible { color: var(--hx-ink); }
.contact__sublinks a:hover::after, .contact__sublinks a:focus-visible::after { transform: scaleX(1); }

/* Footer */
.footer {
  border-block-start: 1px solid var(--hx-border);
  padding-block: var(--hx-space-5) var(--hx-space-3);
  background: var(--hx-bg-elevated);
}
.footer__cols {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--hx-space-4); margin-block-end: var(--hx-space-4);
}
.footer__col { display: flex; flex-direction: column; gap: var(--hx-space-1); }
.footer__title {
  font-size: var(--hx-eyebrow); text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--hx-ink-muted); font-weight: 600; margin-block-end: var(--hx-space-1);
}
.footer__links { display: flex; flex-direction: column; gap: 6px; }
.footer__links a {
  font-size: var(--hx-small); color: var(--hx-ink-soft);
  transition: color var(--hx-fast) var(--hx-ease);
}
.footer__links a:hover, .footer__links a:focus-visible { color: var(--hx-ink); }
.footer__legal {
  padding-block-start: var(--hx-space-3);
  border-block-start: 1px solid var(--hx-border);
  font-size: var(--hx-small); color: var(--hx-ink-muted);
}
.footer__legal a {
  color: var(--hx-ink-soft); text-decoration: underline;
  text-underline-offset: 3px; text-decoration-color: hsla(178, 64%, 48%, 0.42);
}
.footer__legal a:hover { color: var(--hx-ink); }

/* Toast */
.toast-region {
  position: fixed; inset-block-end: 24px; inset-inline-end: 24px;
  display: flex; flex-direction: column-reverse; gap: 10px;
  z-index: 1000; max-width: 360px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; font-size: var(--hx-small); color: var(--hx-ink);
  pointer-events: auto;
  animation: hxToastIn var(--hx-medium) var(--hx-ease) both;
}
.toast.is-leaving { animation: hxToastOut var(--hx-fast) var(--hx-ease) forwards; }
@keyframes hxToastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hxToastOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(8px); } }

/* Mobile */
@media (max-width: 880px) {
  .section { padding-block: 56px; }
  .nav__menu {
    position: fixed; inset: 64px 0 0 0;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    padding: var(--hx-space-4) var(--hx-space-3);
    background: var(--hx-glass-bg-strong);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    z-index: 800; overflow-y: auto;
  }
  .nav__menu.is-open { display: flex; }
  .nav__link, .nav__solutions {
    width: 100%; padding-block: 14px;
    border-block-end: 1px solid var(--hx-glass-border);
    font-size: 1.0625rem;
  }
  .nav__cta-row {
    margin-block-start: var(--hx-space-3);
    flex-direction: column; align-items: stretch; gap: var(--hx-space-1);
  }
  .nav__cta-row .glass--button { width: 100%; }
  .nav__toggle { display: inline-flex; }
  .solutions-menu {
    position: static; transform: none;
    grid-template-columns: 1fr 1fr;
    width: 100%; padding: var(--hx-space-3) 0;
    opacity: 1; pointer-events: auto;
    background: transparent; box-shadow: none; border: 0;
    backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .solutions-menu::before, .solutions-menu::after { display: none; }
  .hero { padding-block: 80px var(--hx-space-5); min-height: 0; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__metrics { margin-block-start: var(--hx-space-3); }
  .value-strip__items { grid-template-columns: 1fr; }
  .portals__grid { grid-template-columns: 1fr 1fr; }
  .deep-dives__grid { grid-template-columns: 1fr 1fr; }
  .quickstart__steps { grid-template-columns: 1fr; }
  .solutions__grid { grid-template-columns: 1fr 1fr; }
  .solution-card__media { height: 180px; }
  .trust__logos { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .portals__grid, .deep-dives__grid, .solutions__grid, .footer__cols { grid-template-columns: 1fr; }
  .hero__title { font-size: clamp(2.25rem, 8vw, 3rem); }
}

/* Cross-agent integration patches — classes used by HTML beyond §2.3 contract.
   Kept minimal; defers to parent surfaces where possible. */
.icon { display: inline-flex; align-items: center; justify-content: center; line-height: 0; }
.icon > svg { display: block; }

.hero__inner { display: grid; gap: var(--hx-space-5); grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; }
@media (max-width: 880px) { .hero__inner { grid-template-columns: 1fr; gap: var(--hx-space-4); } }

.hero__metric-value { margin: 0; font-family: var(--hx-font-display); font-size: 1.125rem; font-weight: 600; color: var(--hx-ink); letter-spacing: -0.01em; }
.hero__metric-copy { margin: 4px 0 0; font-size: var(--hx-small); color: var(--hx-ink-soft); line-height: 1.45; }

.value-strip__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--hx-space-3); }
@media (max-width: 880px) { .value-strip__list { grid-template-columns: 1fr; } }

.quickstart__panels { margin-block-start: var(--hx-space-4); }

.solution-card--icon-only .solution-card__media { display: none; }
.solution-card--icon-only .solution-card__body { display: flex; flex-direction: column; gap: var(--hx-space-2); align-items: flex-start; padding-block-start: var(--hx-space-4); }
.solution-card__icon { width: 56px; height: 56px; border-radius: var(--hx-radius-md); color: var(--hx-teal); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
  .glass--card:hover { transform: none; }
  .nav__brand-mark { animation: none; }
  .portal-card:hover .portal-card__cta { gap: var(--hx-space-1); }
}