/*
 * Underswell site — layout and components.
 * Built only on the semantic tokens in tokens.css (NGTheme design language).
 */

/* -------------------------------------------------------------------- base */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: var(--ngt-border);
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--ngt-topbar-height) + 1rem);
}

body {
  margin: 0;
  font-family: var(--ngt-font-sans);
  font-feature-settings:
    'cv11' 1,
    'ss01' 1;
  font-size: 1rem;
  line-height: 1.625;
  background-color: var(--ngt-background);
  color: var(--ngt-text-primary);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: var(--ngt-tracking-tight);
  line-height: 1.2;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--ngt-text-link);
  text-decoration-line: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

code,
kbd,
.mono {
  font-family: var(--ngt-font-mono);
}

::selection {
  background-color: var(--ngt-selection);
}

:focus-visible {
  outline: 2px solid var(--ngt-ring);
  outline-offset: 2px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

/* Icons never shrink inside flex rows (iOS Safari otherwise squeezes them next to long text). */
svg {
  flex-shrink: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -3rem;
  z-index: var(--ngt-z-overlay);
  padding: 0.5rem 0.875rem;
  border-radius: var(--ngt-radius-md);
  background: var(--ngt-primary);
  color: var(--ngt-primary-fg);
  text-decoration: none;
  transition: top var(--ngt-duration-fast) var(--ngt-ease-standard);
}

.skip-link:focus {
  top: 0.75rem;
}

/* ---------------------------------------------------------------- layout */
.container {
  width: 100%;
  max-width: var(--ngt-content-max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  position: relative;
  padding-block: clamp(4rem, 9vw, 7rem);
}

.section--muted {
  background-color: var(--ngt-surface-muted);
  border-block: 1px solid var(--ngt-border);
}

.section-head {
  max-width: 44rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-family: var(--ngt-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ngt-text-link);
}

.eyebrow::before {
  content: '';
  width: 1.25rem;
  height: 1px;
  background: currentColor;
}

.section-head--center .eyebrow::after {
  content: '';
  width: 1.25rem;
  height: 1px;
  background: currentColor;
}

.h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
}

.lead {
  margin-top: 1rem;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--ngt-text-secondary);
}

.grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) and (max-width: 979px) {
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.75rem;
  padding-inline: 1.125rem;
  border: 1px solid transparent;
  border-radius: var(--ngt-radius-md);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition-property: color, background-color, border-color, box-shadow, transform;
  transition-duration: var(--ngt-duration-fast);
  transition-timing-function: var(--ngt-ease-standard);
}

.btn svg {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
}

.btn--primary {
  background-color: var(--ngt-primary);
  color: var(--ngt-primary-fg);
  box-shadow: var(--ngt-shadow-sm);
}

.btn--primary:hover {
  background-color: var(--ngt-primary-hover);
}

.btn--primary:active {
  background-color: var(--ngt-primary-active);
}

.btn--secondary {
  background-color: var(--ngt-surface);
  border-color: var(--ngt-border-strong);
  color: var(--ngt-text-primary);
  box-shadow: var(--ngt-shadow-sm);
}

.btn--secondary:hover {
  background-color: var(--ngt-secondary);
}

.btn--ghost {
  background: transparent;
  color: var(--ngt-text-secondary);
}

.btn--ghost:hover {
  background-color: var(--ngt-hover-overlay);
  color: var(--ngt-text-primary);
}

.btn--sm {
  height: 2.25rem;
  padding-inline: 0.875rem;
  font-size: 0.875rem;
}

.btn--icon {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
}

/* ----------------------------------------------------------------- badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  height: 1.5rem;
  padding-inline: 0.625rem;
  border: 1px solid var(--ngt-primary-border);
  border-radius: var(--ngt-radius-full);
  background-color: var(--ngt-primary-subtle);
  color: var(--ngt-primary-subtle-fg);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.badge--success {
  border-color: var(--ngt-success-border);
  background-color: var(--ngt-success-subtle);
  color: var(--ngt-success-subtle-fg);
}

.badge--warning {
  border-color: var(--ngt-warning-border);
  background-color: var(--ngt-warning-subtle);
  color: var(--ngt-warning-subtle-fg);
}

.badge--danger {
  border-color: var(--ngt-danger-border);
  background-color: var(--ngt-danger-subtle);
  color: var(--ngt-danger-subtle-fg);
}

.badge--neutral {
  border-color: var(--ngt-border-strong);
  background-color: var(--ngt-secondary);
  color: var(--ngt-text-secondary);
}

.dot {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: currentColor;
}

.dot--pulse {
  animation: usw-pulse 2.4s var(--ngt-ease-standard) infinite;
}

@keyframes usw-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 color-mix(in oklch, currentColor 45%, transparent);
  }
  60% {
    box-shadow: 0 0 0 0.375rem color-mix(in oklch, currentColor 0%, transparent);
  }
}

/* ------------------------------------------------------------------ cards */
.card {
  position: relative;
  padding: 1.5rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  box-shadow: var(--ngt-shadow-sm);
  transition:
    border-color var(--ngt-duration-normal) var(--ngt-ease-standard),
    box-shadow var(--ngt-duration-normal) var(--ngt-ease-standard),
    transform var(--ngt-duration-normal) var(--ngt-ease-standard);
}

.card--hover:hover {
  border-color: var(--ngt-primary-border);
  box-shadow: var(--ngt-shadow-md);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.0625rem;
}

.card p {
  margin-top: 0.5rem;
  color: var(--ngt-text-secondary);
  font-size: 0.9375rem;
}

.icon-tile {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.125rem;
  border: 1px solid var(--ngt-primary-border);
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-primary-subtle);
  color: var(--ngt-primary-subtle-fg);
}

.icon-tile svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ----------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--ngt-z-sticky);
  height: var(--ngt-topbar-height);
  background-color: var(--usw-header-bg);
  border-bottom: 1px solid transparent;
  -webkit-backdrop-filter: saturate(1.6) blur(12px);
  backdrop-filter: saturate(1.6) blur(12px);
  transition: border-color var(--ngt-duration-normal) var(--ngt-ease-standard);
}

.site-header.is-scrolled {
  border-bottom-color: var(--ngt-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--ngt-text-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: var(--ngt-tracking-tight);
  text-decoration: none;
}

.brand svg {
  width: 2rem;
  height: 2rem;
}

.nav {
  display: none;
  margin-inline-start: auto;
}

.nav ul {
  display: flex;
  gap: 0.25rem;
}

.nav a {
  display: inline-flex;
  align-items: center;
  height: 2.25rem;
  padding-inline: 0.75rem;
  border-radius: var(--ngt-radius-md);
  color: var(--ngt-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    color var(--ngt-duration-fast) var(--ngt-ease-standard),
    background-color var(--ngt-duration-fast) var(--ngt-ease-standard);
}

.nav a:hover {
  background-color: var(--ngt-hover-overlay);
  color: var(--ngt-text-primary);
}

.nav a[aria-current='true'] {
  color: var(--ngt-text-primary);
  background-color: var(--ngt-hover-overlay);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: auto;
}

.header-actions .btn--primary {
  display: none;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle[aria-expanded='true'] .icon-close {
  display: block;
}

.menu-toggle[aria-expanded='true'] .icon-menu {
  display: none;
}

@media (min-width: 1100px) {
  .nav {
    display: block;
  }
  .header-actions {
    margin-inline-start: 0;
  }
  .header-actions .btn--primary {
    display: inline-flex;
  }
  .menu-toggle {
    display: none;
  }
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 1.125rem;
  height: 1.125rem;
}

.theme-toggle .icon-sun {
  display: none;
}

:root.dark .theme-toggle .icon-sun {
  display: block;
}

:root.dark .theme-toggle .icon-moon {
  display: none;
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: var(--ngt-topbar-height) 0 auto 0;
  z-index: var(--ngt-z-overlay);
  padding: 1rem 1.5rem 1.5rem;
  background-color: var(--ngt-surface-raised);
  border-bottom: 1px solid var(--ngt-border);
  box-shadow: var(--ngt-shadow-lg);
  animation: usw-slide-down 220ms var(--ngt-ease-emphasized);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a:not(.btn) {
  display: block;
  padding: 0.75rem 0.25rem;
  border-bottom: 1px solid var(--ngt-border);
  color: var(--ngt-text-primary);
  font-weight: 500;
  text-decoration: none;
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 1rem;
}

@keyframes usw-slide-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
}

/* ------------------------------------------------------------------- hero */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(7rem, 12vw, 10rem);
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto;
  height: 80%;
  z-index: -2;
  background: radial-gradient(ellipse 60% 60% at 50% 30%, var(--usw-glow), transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--ngt-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--ngt-border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.45;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 20%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 55% at 50% 20%, #000 20%, transparent 75%);
}

.hero-waves {
  position: absolute;
  inset: auto 0 0 0;
  z-index: -1;
  width: 200%;
  height: 9rem;
  color: var(--usw-wave);
  opacity: 0.75;
  animation: usw-drift 28s linear infinite;
  pointer-events: none;
}

@keyframes usw-drift {
  to {
    transform: translateX(-50%);
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 3rem);
  align-items: center;
}

@media (min-width: 1000px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

.hero h1 {
  margin-top: 1.25rem;
  font-size: clamp(2.375rem, 5.2vw, 3.75rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.04;
}

.hero h1 .accent {
  display: block;
  background: linear-gradient(
    100deg,
    var(--ngt-primary-500) 0%,
    var(--ngt-primary-400) 45%,
    oklch(0.7 0.13 238) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

:root:not(.dark) .hero h1 .accent {
  background: linear-gradient(
    100deg,
    var(--ngt-primary-600) 0%,
    var(--ngt-primary-500) 50%,
    oklch(0.55 0.13 238) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
}

.hero .lead {
  max-width: 36rem;
  margin-top: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 2rem;
  color: var(--ngt-text-muted);
  font-size: 0.875rem;
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-meta svg {
  width: 1rem;
  height: 1rem;
  color: var(--ngt-text-link);
}

/* Dossier mock (styled like an NGTheme operator panel) */
.dossier {
  position: relative;
  margin: 0;
  background-color: var(--ngt-surface-raised);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-xl);
  box-shadow: var(--ngt-shadow-overlay);
  overflow: hidden;
  font-size: 0.875rem;
}

.dossier::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ngt-primary-400), transparent);
}

.dossier-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.125rem;
  border-bottom: 1px solid var(--ngt-border);
  background-color: var(--ngt-surface-muted);
}

.dossier-bar .lights {
  display: flex;
  gap: 0.375rem;
}

.dossier-bar .lights span {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background-color: var(--ngt-border-strong);
}

.dossier-bar .title {
  overflow: hidden;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--ngt-font-mono);
  font-size: 0.75rem;
  color: var(--ngt-text-muted);
}

@media (max-width: 479px) {
  .dossier-bar .title {
    display: none;
  }
}

.dossier-bar .badge {
  margin-inline-start: auto;
}

.dossier-body {
  padding: 1.125rem;
}

.dossier-goal {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--ngt-border-strong);
}

.dossier-goal .label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ngt-text-muted);
}

.dossier-goal .value {
  margin-top: 0.25rem;
  font-weight: 600;
}

.dossier-goal .path {
  text-align: end;
}

.gate-list {
  margin-top: 0.75rem;
}

.gate {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding-block: 0.625rem;
  border-bottom: 1px solid var(--ngt-border);
}

.gate:last-child {
  border-bottom: 0;
}

.gate-icon {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--ngt-radius-sm);
  background-color: var(--ngt-secondary);
  color: var(--ngt-text-secondary);
}

.gate-icon svg {
  width: 0.875rem;
  height: 0.875rem;
}

.gate-name {
  font-weight: 500;
}

.gate-detail {
  display: block;
  overflow: hidden;
  font-family: var(--ngt-font-mono);
  font-size: 0.6875rem;
  color: var(--ngt-text-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dossier-foot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  border-top: 1px solid var(--ngt-border);
  background-color: var(--ngt-surface-muted);
}

.stat .label {
  font-size: 0.6875rem;
  color: var(--ngt-text-muted);
}

.stat .value {
  margin-top: 0.125rem;
  font-family: var(--ngt-font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
}

.dossier-note {
  margin-top: 0.75rem;
  color: var(--ngt-text-muted);
  font-size: 0.75rem;
  text-align: center;
}

/* --------------------------------------------------------------- tagline */
.tagline-band {
  padding-block: 2.25rem;
  border-block: 1px solid var(--ngt-border);
  background-color: var(--ngt-surface);
}

.tagline-band .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 2.5rem;
  color: var(--ngt-text-secondary);
  font-size: 0.9375rem;
}

.tagline-band strong {
  color: var(--ngt-text-primary);
  font-weight: 600;
}

@media (max-width: 719px) {
  .tagline-band .container {
    flex-direction: column;
    text-align: center;
  }
  .tagline-band .sep {
    display: none;
  }
}

.tagline-band .sep {
  width: 0.3125rem;
  height: 0.3125rem;
  border-radius: 50%;
  background-color: var(--ngt-border-strong);
}

/* ------------------------------------------------------------- promises */
.promise-wrap {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 960px) {
  .promise-wrap {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 4rem;
  }
}

.promise-list {
  display: grid;
  gap: 0.75rem;
}

.promise {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  box-shadow: var(--ngt-shadow-sm);
}

.promise .num {
  flex: none;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-primary);
  color: var(--ngt-primary-fg);
  font-family: var(--ngt-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.promise strong {
  display: block;
  font-weight: 600;
}

.promise span {
  display: block;
  margin-top: 0.125rem;
  color: var(--ngt-text-secondary);
  font-size: 0.9375rem;
}

/* ------------------------------------------------------------------ flow */
.flow {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

@media (min-width: 720px) {
  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.flow-step {
  position: relative;
  padding: 1.25rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  box-shadow: var(--ngt-shadow-sm);
  counter-increment: step;
}

.flow-step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--ngt-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ngt-text-link);
}

.flow-step h3 {
  font-size: 0.9375rem;
}

.flow-step p {
  margin-top: 0.375rem;
  color: var(--ngt-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.flow-step--human {
  border-color: var(--ngt-primary-border);
  background-color: var(--ngt-primary-subtle);
}

.flow-step--human::after {
  content: 'Decision gate';
  position: absolute;
  top: 1.125rem;
  inset-inline-end: 1rem;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--ngt-primary-subtle-fg);
}

.flow-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  color: var(--ngt-text-muted);
  font-size: 0.8125rem;
}

.flow-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.flow-legend i {
  width: 0.75rem;
  height: 0.75rem;
  border: 1px solid var(--ngt-border-strong);
  border-radius: 0.1875rem;
  background: var(--ngt-surface);
}

.flow-legend i.human {
  border-color: var(--ngt-primary-border);
  background: var(--ngt-primary-subtle);
}

/* ------------------------------------------------------------- autopilot */
.autopilot-wrap {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 960px) {
  .autopilot-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
    align-items: center;
  }
}

.delegation {
  padding: 1.5rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-xl);
  box-shadow: var(--ngt-shadow-md);
}

.delegation-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ngt-border);
}

.delegation-title {
  font-weight: 600;
}

.segmented {
  display: inline-flex;
  padding: 0.1875rem;
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-surface-muted);
  font-family: var(--ngt-font-mono);
  font-size: 0.75rem;
}

.segmented span {
  padding: 0.25rem 0.625rem;
  border-radius: calc(var(--ngt-radius-md) - 0.125rem);
  color: var(--ngt-text-muted);
}

.segmented .on {
  background-color: var(--ngt-primary);
  color: var(--ngt-primary-fg);
  box-shadow: var(--ngt-shadow-sm);
}

.tier-list {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tier {
  display: grid;
  grid-template-columns: 5.75rem 1rem minmax(0, 1fr);
  white-space: nowrap;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-surface-muted);
}

.tier .badge {
  justify-self: start;
}

.tier-arrow {
  width: 1rem;
  height: 1rem;
  color: var(--ngt-text-muted);
}

.owner {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.owner svg {
  width: 1rem;
  height: 1rem;
}

.owner--helm {
  color: var(--ngt-text-link);
}

.owner--you {
  color: var(--ngt-danger-subtle-fg);
}

.escalation {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--ngt-border-strong);
}

.escalation-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.escalation-title svg {
  width: 1rem;
  height: 1rem;
  color: var(--ngt-warning-subtle-fg);
}

.delegation-note {
  margin-top: 1.25rem;
  color: var(--ngt-text-muted);
  font-size: 0.75rem;
}

/* ---------------------------------------------------------------- agents */
.agents {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .agents {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .agents {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.agent {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.agent .icon-tile {
  flex: none;
  margin-bottom: 0;
}

.agent .role {
  font-family: var(--ngt-font-mono);
  font-size: 0.6875rem;
  color: var(--ngt-text-muted);
}

.agent h3 {
  margin-top: 0.125rem;
}

.agent p {
  margin-top: 0.375rem;
}

.subhead {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-block: 3.5rem 1.5rem;
}

.subhead h3 {
  font-size: 1.125rem;
}

.subhead::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--ngt-border);
}

.coord {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .coord {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .coord {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.coord li {
  padding: 1rem 1.125rem;
  background-color: var(--ngt-surface-muted);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  font-size: 0.875rem;
  color: var(--ngt-text-secondary);
}

.coord strong {
  display: block;
  margin-bottom: 0.125rem;
  color: var(--ngt-text-primary);
  font-weight: 600;
}

/* ----------------------------------------------------------------- paths */
.paths {
  display: grid;
  gap: 0.75rem;
}

.path-row {
  display: grid;
  gap: 0.75rem 1.5rem;
  align-items: center;
  padding: 1.125rem 1.25rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  box-shadow: var(--ngt-shadow-sm);
}

@media (min-width: 860px) {
  .path-row {
    grid-template-columns: 9rem minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

@media (min-width: 1140px) {
  .path-row {
    grid-template-columns: 9rem auto minmax(0, 1fr);
  }
  .pips {
    flex-wrap: nowrap;
  }
}

.path-name {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
}

.path-name .count {
  font-family: var(--ngt-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ngt-text-muted);
}

.pips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.pip {
  display: inline-flex;
  align-items: center;
  height: 1.5rem;
  padding-inline: 0.5rem;
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-sm);
  background-color: var(--ngt-surface-muted);
  color: var(--ngt-text-muted);
  font-family: var(--ngt-font-mono);
  font-size: 0.6875rem;
}

.pip.on {
  border-color: var(--ngt-primary-border);
  background-color: var(--ngt-primary-subtle);
  color: var(--ngt-primary-subtle-fg);
  font-weight: 500;
}

.path-when {
  color: var(--ngt-text-secondary);
  font-size: 0.875rem;
}

.paths-note {
  margin-top: 1.25rem;
  color: var(--ngt-text-muted);
  font-size: 0.875rem;
}

/* -------------------------------------------------------------- evidence */
.evidence-wrap {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 960px) {
  .evidence-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
    align-items: center;
  }
}

.chain {
  display: grid;
  gap: 0;
  padding: 1.5rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-xl);
  box-shadow: var(--ngt-shadow-md);
}

.chain-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 0.75rem;
}

.chain-node:not(:last-child)::after {
  content: '';
  position: absolute;
  inset-inline-start: 1.1875rem;
  top: calc(50% + 1.25rem);
  height: calc(100% - 2.5rem);
  width: 2px;
  background: linear-gradient(var(--ngt-primary-border), var(--ngt-border));
}

.chain-node .icon-tile {
  flex: none;
  margin: 0;
}

.chain-node strong {
  display: block;
  font-weight: 600;
}

.chain-node span {
  display: block;
  color: var(--ngt-text-secondary);
  font-size: 0.875rem;
}

.labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ngt-border);
}

.check-list {
  display: grid;
  gap: 0.875rem;
  margin-top: 1.75rem;
}

.check-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: var(--ngt-text-secondary);
}

.check-list svg {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1875rem;
  color: var(--ngt-text-link);
}

.check-list strong {
  color: var(--ngt-text-primary);
  font-weight: 600;
}

/* ---------------------------------------------------------------- metrics */
.metric-groups {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 1000px) {
  .metric-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.metric-group {
  padding: 1.5rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  box-shadow: var(--ngt-shadow-sm);
}

.metric-group-head {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ngt-border);
}

.metric-group-head .icon-tile {
  flex: none;
  margin: 0;
}

.metric-group-head h3 {
  font-size: 1.0625rem;
}

.metric-group-head p {
  color: var(--ngt-text-muted);
  font-size: 0.875rem;
}

.metric {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.25rem 1rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--ngt-border);
}

.metric:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.metric-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.625rem;
}

.metric-name strong {
  font-size: 0.9375rem;
  font-weight: 600;
}

.metric-default {
  font-family: var(--ngt-font-mono);
  font-size: 0.6875rem;
  color: var(--ngt-text-link);
}

.metric-desc {
  grid-column: 1 / -1;
  color: var(--ngt-text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
}

.metric-rel {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
}

.policy-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--ngt-border-strong);
  border-radius: var(--ngt-radius-lg);
}

.policy-label {
  margin-inline-end: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
}

.policy-note {
  flex-basis: 100%;
  color: var(--ngt-text-secondary);
  font-size: 0.875rem;
}

@media (min-width: 900px) {
  .policy-note {
    flex-basis: auto;
    margin-inline-start: auto;
  }
}

.policy-note strong {
  color: var(--ngt-text-primary);
}

.metrics-note {
  margin-top: 1.25rem;
  color: var(--ngt-text-muted);
  font-size: 0.875rem;
}

/* Chart card (graphic note) */
.chart-card {
  margin: 2.5rem 0 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-xl);
  box-shadow: var(--ngt-shadow-md);
}

.chart-head h3 {
  margin-top: 0.875rem;
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
}

.chart-head p {
  max-width: 46rem;
  margin-top: 0.5rem;
  color: var(--ngt-text-secondary);
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 1.5rem;
  color: var(--ngt-text-secondary);
  font-size: 0.8125rem;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-legend i {
  width: 0.875rem;
  height: 0.1875rem;
  border-radius: 2px;
}

.chart-legend i.dash {
  height: 0;
  border-top: 2px dashed var(--ngt-text-muted);
}

.chart-wrap {
  position: relative;
  margin-top: 1rem;
  touch-action: pan-y;
}

.chart-wrap svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-wrap .axis text:not(.threshold-label),
.chart-wrap .end-label {
  font-family: var(--ngt-font-sans);
  font-size: 11px;
  fill: var(--ngt-text-muted);
}

.chart-wrap .end-label {
  fill: var(--ngt-text-secondary);
  font-weight: 500;
}

.chart-wrap .grid line {
  stroke: var(--ngt-border);
  stroke-width: 1;
}

.chart-wrap .baseline {
  stroke: var(--ngt-border-strong);
}

.chart-wrap .threshold {
  stroke: var(--ngt-text-muted);
  stroke-width: 1.5;
  stroke-dasharray: 5 4;
}

.chart-wrap .threshold-label {
  font-family: var(--ngt-font-sans);
  font-size: 11px;
  font-weight: 600;
  fill: var(--ngt-text-secondary);
}

.chart-wrap .fail-zone {
  fill: var(--ngt-danger-subtle);
  opacity: 0.55;
}

:root.dark .chart-wrap .fail-zone {
  opacity: 0.35;
}

.chart-wrap .zone-label {
  font-family: var(--ngt-font-sans);
  font-size: 11px;
  font-weight: 500;
  fill: var(--ngt-danger-subtle-fg);
}

.chart-wrap .series {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-wrap .cross {
  stroke: var(--ngt-surface);
  stroke-width: 2;
}

.chart-wrap .crosshair {
  stroke: var(--ngt-text-muted);
  stroke-width: 1;
}

.chart-wrap .hover-dot {
  stroke: var(--ngt-surface);
  stroke-width: 2;
}

.chart-tooltip {
  position: absolute;
  top: 0;
  z-index: 2;
  min-width: 10.5rem;
  padding: 0.625rem 0.75rem;
  background-color: var(--ngt-surface-raised);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-md);
  box-shadow: var(--ngt-shadow-lg);
  font-size: 0.8125rem;
  pointer-events: none;
}

.chart-tooltip[hidden] {
  display: none;
}

.chart-tooltip .tt-title {
  margin-bottom: 0.375rem;
  font-weight: 600;
}

.chart-tooltip .tt-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ngt-text-secondary);
}

.chart-tooltip .tt-row i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
}

.chart-tooltip .tt-row b {
  margin-inline-start: auto;
  font-family: var(--ngt-font-mono);
  font-weight: 500;
  color: var(--ngt-text-primary);
}

.chart-tooltip .tt-row b.fail {
  color: var(--ngt-danger-subtle-fg);
}

.chart-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 0.625rem;
  margin-top: 1.25rem;
}

.chart-stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.125rem 0.5rem;
  padding: 0.75rem 0.875rem;
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-surface-muted);
}

.chart-stats .swatch {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
}

.chart-stats .swatch--none {
  border: 1.5px dashed var(--ngt-text-muted);
}

.chart-stats .label {
  color: var(--ngt-text-muted);
  font-size: 0.75rem;
}

.chart-stats strong {
  grid-column: 1 / -1;
  font-family: var(--ngt-font-mono);
  font-size: 1.125rem;
  font-weight: 600;
}

.chart-table {
  margin-top: 1.25rem;
  font-size: 0.875rem;
}

.chart-table summary {
  display: inline-flex;
  color: var(--ngt-text-link);
  font-weight: 500;
  cursor: pointer;
}

.chart-table table {
  width: 100%;
  margin-top: 0.75rem;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.chart-table th,
.chart-table td {
  padding: 0.5rem 0.625rem;
  border-bottom: 1px solid var(--ngt-border);
  text-align: end;
}

.chart-table th:first-child {
  text-align: start;
}

.chart-table thead th {
  color: var(--ngt-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

/* --------------------------------------------------------------- runtimes */
.runtime-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.5rem;
}

.runtime {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.5rem;
  padding-inline: 1rem;
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-surface);
  box-shadow: var(--ngt-shadow-sm);
  font-family: var(--ngt-font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
}

.runtime svg {
  width: 1rem;
  height: 1rem;
  color: var(--ngt-text-link);
}

/* ---------------------------------------------------------------- not-list */
.not-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (min-width: 720px) {
  .not-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.not-grid li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1.125rem;
  border: 1px dashed var(--ngt-border-strong);
  border-radius: var(--ngt-radius-lg);
  color: var(--ngt-text-secondary);
  font-size: 0.9375rem;
}

.not-grid svg {
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.25rem;
  color: var(--ngt-text-muted);
}

.not-grid strong {
  color: var(--ngt-text-primary);
  font-weight: 600;
}

/* ---------------------------------------------------------------- roadmap */
.roadmap {
  position: relative;
  display: grid;
  gap: 1rem;
}

@media (min-width: 960px) {
  .roadmap {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .roadmap::before {
    content: '';
    position: absolute;
    inset-inline: 1.5rem;
    top: 2.0625rem;
    height: 2px;
    background: linear-gradient(90deg, var(--ngt-primary-400), var(--ngt-border) 40%);
  }
}

.milestone {
  position: relative;
  padding: 1.5rem;
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-lg);
  box-shadow: var(--ngt-shadow-sm);
}

.milestone-marker {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.milestone-marker .node {
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--ngt-border-strong);
  border-radius: 50%;
  background-color: var(--ngt-surface);
}

.milestone--current .milestone-marker .node {
  border-color: var(--ngt-primary);
  background-color: var(--ngt-primary);
  box-shadow: 0 0 0 4px var(--ngt-primary-subtle);
}

.milestone--current {
  border-color: var(--ngt-primary-border);
}

.milestone h3 {
  font-size: 1.25rem;
}

.milestone .kicker {
  margin-top: 0.125rem;
  color: var(--ngt-text-muted);
  font-size: 0.8125rem;
}

.milestone ul {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.milestone li {
  position: relative;
  padding-inline-start: 1rem;
  color: var(--ngt-text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.milestone li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0.5625rem;
  width: 0.3125rem;
  height: 0.3125rem;
  border-radius: 50%;
  background-color: var(--ngt-primary-400);
}

.roadmap-note {
  margin-top: 1.5rem;
  color: var(--ngt-text-muted);
  font-size: 0.875rem;
}

/* ---------------------------------------------------------------- license */
.license-card {
  display: grid;
  gap: 2rem;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  background-color: var(--ngt-surface);
  border: 1px solid var(--ngt-border);
  border-radius: var(--ngt-radius-xl);
  box-shadow: var(--ngt-shadow-md);
}

@media (min-width: 900px) {
  .license-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

.license-terms {
  display: grid;
  gap: 0.625rem;
}

.license-terms li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-surface-muted);
  font-size: 0.9375rem;
}

.license-terms svg {
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.25rem;
}

.license-terms .yes svg {
  color: var(--ngt-success-subtle-fg);
}

.license-terms .no svg {
  color: var(--ngt-danger-subtle-fg);
}

.license-terms .later svg {
  color: var(--ngt-info-subtle-fg);
}

/* --------------------------------------------------------------------- faq */
.faq {
  max-width: 48rem;
  margin-inline: auto;
}

.faq details {
  border-bottom: 1px solid var(--ngt-border);
}

.faq details:first-child {
  border-top: 1px solid var(--ngt-border);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary svg {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--ngt-text-muted);
  transition: transform var(--ngt-duration-normal) var(--ngt-ease-standard);
}

.faq details[open] summary svg {
  transform: rotate(45deg);
  color: var(--ngt-text-link);
}

.faq details p {
  padding-bottom: 1.25rem;
  color: var(--ngt-text-secondary);
}

/* ---------------------------------------------------------------- contact */
.contact {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  border-radius: calc(var(--ngt-radius-xl) * 1.5);
  background-color: var(--ngt-primary-950);
  color: var(--ngt-neutral-50);
  text-align: center;
  isolation: isolate;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, oklch(0.6 0.22 277 / 0.55), transparent 70%),
    radial-gradient(ellipse 50% 60% at 100% 100%, oklch(0.6 0.13 238 / 0.35), transparent 70%);
}

.contact .waves {
  position: absolute;
  inset: auto 0 0 0;
  z-index: -1;
  width: 200%;
  height: 5rem;
  color: oklch(0.8 0.102 277);
  opacity: 0.45;
  animation: usw-drift 36s linear infinite;
}

.contact h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
}

.contact p {
  max-width: 36rem;
  margin: 1rem auto 0;
  color: oklch(0.88 0.03 277);
  font-size: 1.0625rem;
}

.contact .actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.contact .btn--light {
  background-color: oklch(1 0 0);
  color: var(--ngt-primary-800);
  box-shadow: var(--ngt-shadow-md);
}

.contact .btn--light:hover {
  background-color: var(--ngt-primary-50);
}

.contact .btn--outline-light {
  border-color: oklch(1 0 0 / 0.28);
  background-color: oklch(1 0 0 / 0.06);
  color: oklch(1 0 0);
}

.contact .btn--outline-light:hover {
  background-color: oklch(1 0 0 / 0.12);
}

.contact .email {
  margin-top: 1.25rem;
  font-family: var(--ngt-font-mono);
  font-size: 0.875rem;
  color: oklch(0.8 0.06 277);
}

/* ----------------------------------------------------------------- footer */
.site-footer {
  padding-block: 3rem 2.5rem;
  border-top: 1px solid var(--ngt-border);
  background-color: var(--ngt-surface);
  font-size: 0.875rem;
}

.footer-top {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .footer-top {
    grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr));
  }
}

.footer-top p {
  max-width: 22rem;
  margin-top: 0.75rem;
  color: var(--ngt-text-secondary);
}

.footer-col h4 {
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ngt-text-muted);
}

.footer-col ul {
  display: grid;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--ngt-text-secondary);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--ngt-text-primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ngt-border);
  color: var(--ngt-text-muted);
  font-size: 0.8125rem;
}

/* ------------------------------------------------------------------ toast */
.toast {
  position: fixed;
  inset-inline: 0;
  bottom: 1.5rem;
  z-index: var(--ngt-z-overlay);
  width: max-content;
  max-width: calc(100% - 2rem);
  margin-inline: auto;
  padding: 0.625rem 1rem;
  border-radius: var(--ngt-radius-md);
  background-color: var(--ngt-surface-inverted);
  color: var(--ngt-text-inverted);
  box-shadow: var(--ngt-shadow-lg);
  font-size: 0.875rem;
  animation: usw-toast-in 220ms var(--ngt-ease-emphasized);
}

.toast[hidden] {
  display: none;
}

@keyframes usw-toast-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}

/* ----------------------------------------------------------------- reveal */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 600ms var(--ngt-ease-standard),
    transform 600ms var(--ngt-ease-standard);
  transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}