/* ============================================
   Eight IT — Design System
   ============================================ */

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ---- Tokens ---- */
:root {
  /* Color — neutrals */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Color — brand */
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  /* Semantic */
  --fg:        var(--gray-900);
  --fg-muted:  var(--gray-600);
  --fg-subtle: var(--gray-500);
  --bg:        #ffffff;
  --bg-alt:    #f1f3f7;
  --bg-tinted: var(--blue-50);
  --border:    var(--gray-200);
  --border-strong: var(--gray-300);
  --accent:        var(--blue-700);
  --accent-text:   var(--blue-700);
  --accent-hover:  var(--blue-800);
  --accent-focus:  var(--blue-900);
  --on-accent:     #ffffff;
  --shadow-rgb: 17, 24, 39;
  --hero-glow: rgba(29, 78, 216, 0.06);
  --color-scheme: light;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-feature: "cv11", "ss01", "ss03";

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Shadow */
  --shadow-xs:  0 1px 2px 0 rgba(17, 24, 39, 0.05);
  --shadow-sm:  0 1px 3px 0 rgba(17, 24, 39, 0.08), 0 1px 2px -1px rgba(17, 24, 39, 0.06);
  --shadow:     0 4px 6px -1px rgba(17, 24, 39, 0.08), 0 2px 4px -2px rgba(17, 24, 39, 0.05);
  --shadow-md:  0 10px 15px -3px rgba(17, 24, 39, 0.08), 0 4px 6px -4px rgba(17, 24, 39, 0.04);
  --shadow-lg:  0 20px 25px -5px rgba(17, 24, 39, 0.10), 0 8px 10px -6px rgba(17, 24, 39, 0.05);
  --shadow-xl:  0 25px 50px -12px rgba(17, 24, 39, 0.18);

  /* Layout */
  --container-wide: 1200px;
  --container-prose: 720px;
  --header-height: 72px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 200ms;
}

/* ---- Dark mode tokens ---- */
:root[data-theme="dark"] {
  --fg:        var(--gray-100);
  --fg-muted:  #b5bcc9;
  --fg-subtle: #8b94a3;
  --bg:        #0d1117;
  --bg-alt:    #161b22;
  --bg-tinted: #172554;
  --border:    #21262d;
  --border-strong: #30363d;
  --accent:        var(--blue-600);
  --accent-text:   #93c5fd;
  --accent-hover:  var(--blue-500);
  --accent-focus:  #bfdbfe;
  --on-accent:     #ffffff;
  --shadow-rgb: 0, 0, 0;
  --shadow-xs:  0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-sm:  0 1px 3px 0 rgba(0, 0, 0, 0.45), 0 1px 2px -1px rgba(0, 0, 0, 0.35);
  --shadow:     0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.35);
  --shadow-md:  0 10px 15px -3px rgba(0, 0, 0, 0.55), 0 4px 6px -4px rgba(0, 0, 0, 0.35);
  --shadow-lg:  0 20px 25px -5px rgba(0, 0, 0, 0.55), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-xl:  0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --hero-glow: rgba(96, 165, 250, 0.10);
  --color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fg:        var(--gray-100);
    --fg-muted:  #b5bcc9;
    --fg-subtle: #8b94a3;
    --bg:        #0d1117;
    --bg-alt:    #161b22;
    --bg-tinted: #172554;
    --border:    #21262d;
    --border-strong: #30363d;
    --accent:        var(--blue-600);
    --accent-text:   #93c5fd;
    --accent-hover:  var(--blue-500);
    --accent-focus:  #bfdbfe;
    --on-accent:     #ffffff;
    --shadow-rgb: 0, 0, 0;
    --shadow-xs:  0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-sm:  0 1px 3px 0 rgba(0, 0, 0, 0.45), 0 1px 2px -1px rgba(0, 0, 0, 0.35);
    --shadow:     0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.35);
    --shadow-md:  0 10px 15px -3px rgba(0, 0, 0, 0.55), 0 4px 6px -4px rgba(0, 0, 0, 0.35);
    --shadow-lg:  0 20px 25px -5px rgba(0, 0, 0, 0.55), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-xl:  0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --hero-glow: rgba(96, 165, 250, 0.10);
    --color-scheme: dark;
  }
}

html { color-scheme: var(--color-scheme); }

/* Smooth color transitions when theme is toggled (not on initial paint) */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition: background-color 250ms var(--ease),
              color 250ms var(--ease),
              border-color 250ms var(--ease),
              box-shadow 250ms var(--ease) !important;
}

/* ---- Reduced motion ---- */
@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;
    scroll-behavior: auto !important;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ---- Base ---- */
html {
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  font-family: var(--font-sans);
  font-feature-settings: var(--font-feature);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

/* ---- A11y utilities ---- */
.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;
  top: -48px;
  left: 16px;
  padding: 12px 20px;
  background: var(--gray-900);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  z-index: 200;
  transition: top var(--duration) var(--ease);
}
.skip-link:focus {
  top: 12px;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---- Layout primitives ---- */
.container {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container-prose {
  max-width: var(--container-prose);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

section { padding-block: var(--space-20); }
.section-tinted { background: var(--bg-alt); }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--fg);
  text-decoration: none;
  padding: var(--space-2);
  margin-inline-start: calc(var(--space-2) * -1);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.logo::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-radius: 5px;
  margin-right: 10px;
  box-shadow: 0 1px 2px rgba(29, 78, 216, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.logo span { color: var(--accent-text); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}
.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}
.nav-links a:hover { color: var(--fg); background: var(--bg-alt); }
.nav-links a[aria-current="page"] {
  color: var(--fg);
  background: var(--bg-alt);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid transparent;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--fg);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.menu-toggle:hover { background: var(--bg-alt); }

/* ---- Typography ---- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-text);
  font-feature-settings: "tnum" 1, "ss01", "cv11";
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent-text);
  border-radius: 1px;
}
.eyebrow .num {
  color: var(--fg-subtle);
  font-weight: 500;
  margin-right: 2px;
}

.heading-display {
  font-size: clamp(2.25rem, 1.5rem + 2.25vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--fg);
  text-wrap: balance;
}

.heading-section {
  font-size: clamp(1.75rem, 1.25rem + 1.25vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: var(--fg);
  text-wrap: balance;
  max-width: 26ch;
}

.heading-card {
  font-size: 1.125rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--fg);
}

.lede {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 56ch;
}

.body-muted {
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px;
  transition: background-color var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              color var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn .arrow {
  transition: transform var(--duration) var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-xs);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: var(--gray-400);
}

/* ---- Hero ---- */
.hero {
  padding-block: var(--space-20) var(--space-16);
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* Soft mesh ambient — two layered blue radials */
  content: "";
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(40% 50% at 78% 22%, rgba(29, 78, 216, 0.10), transparent 70%),
    radial-gradient(35% 45% at 60% 80%, rgba(96, 165, 250, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.hero-content > * + * { margin-top: var(--space-6); }
.hero-content .lede { margin-top: var(--space-5); }
.cta-row {
  margin-top: var(--space-8);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.media-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  background: var(--gray-100);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Hero orb (custom abstract visual) ---- */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  aspect-ratio: 1;
}
.hero-orb {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}
.hero-orb .orb-ring {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 1;
}
.hero-orb .orb-ring-1 { opacity: 0.22; }
.hero-orb .orb-ring-2 { opacity: 0.36; }
.hero-orb .orb-ring-3 { opacity: 0.5; }
.hero-orb .orb-ring-4 {
  stroke: var(--accent);
  opacity: 0.55;
  stroke-width: 1.25;
  stroke-dasharray: 2 6;
}
.hero-orb .orb-node { fill: var(--fg-muted); }
.hero-orb .orb-node-soft { fill: var(--fg-subtle); opacity: 0.55; }
.hero-orb .orb-node-accent {
  fill: var(--accent);
  filter: drop-shadow(0 0 6px rgba(29, 78, 216, 0.45));
}
.hero-orb .orb-core { filter: drop-shadow(0 12px 32px rgba(29, 78, 216, 0.28)); }
.hero-orb .orb-pulse {
  fill: rgba(255, 255, 255, 0.92);
  mix-blend-mode: overlay;
  animation: orb-pulse 4.5s ease-in-out infinite;
}
@keyframes orb-pulse {
  0%, 100% { opacity: 0.85; r: 22; }
  50%      { opacity: 0.45; r: 30; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-orb .orb-pulse { animation: none; }
}
:root[data-theme="dark"] .hero-orb .orb-ring,
:root[data-theme="dark"] .hero-orb .orb-ring-1,
:root[data-theme="dark"] .hero-orb .orb-ring-2,
:root[data-theme="dark"] .hero-orb .orb-ring-3 {
  stroke: #2a3140;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero-orb .orb-ring {
    stroke: #2a3140;
  }
}

/* ---- Status ticker ---- */
.status-ticker {
  position: relative;
  border-block: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  --ticker-fade: 96px;
}
.status-ticker::before,
.status-ticker::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: var(--ticker-fade);
  z-index: 2;
  pointer-events: none;
}
.status-ticker::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), rgba(0,0,0,0));
}
.status-ticker::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), rgba(0,0,0,0));
}
.status-ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 75s linear infinite;
}
.status-ticker:hover .status-ticker-track,
.status-ticker:focus-within .status-ticker-track {
  animation-play-state: paused;
}
@keyframes ticker-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
.status-ticker-list {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  list-style: none;
  padding: var(--space-4) var(--space-5);
  margin: 0;
}
.status-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  white-space: nowrap;
  color: var(--fg-muted);
  font-size: 0.9375rem;
  transition: color var(--duration) var(--ease);
}
.status-item:hover { color: var(--fg); }
.status-item:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}
.status-source {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--fg-subtle);
  flex-shrink: 0;
}
.status-source-cf   { color: #c2410c; background: rgba(243, 128, 32, 0.12); }
.status-source-cisa { color: var(--accent-text); background: rgba(29, 78, 216, 0.10); }
.status-source-ms   { color: #166534; background: rgba(34, 139, 34, 0.10); }
.status-source-sec  { color: #b91c1c; background: rgba(185, 28, 28, 0.10); }
.status-headline {
  color: var(--fg);
  font-weight: 500;
}
.status-time {
  color: var(--fg-subtle);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
:root[data-theme="dark"] .status-source-cf  { color: #fdba74; background: rgba(243, 128, 32, 0.16); }
:root[data-theme="dark"] .status-source-ms  { color: #86efac; background: rgba(34, 139, 34, 0.16); }
:root[data-theme="dark"] .status-source-sec { color: #fca5a5; background: rgba(185, 28, 28, 0.18); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .status-source-cf  { color: #fdba74; background: rgba(243, 128, 32, 0.16); }
  :root:not([data-theme="light"]) .status-source-ms  { color: #86efac; background: rgba(34, 139, 34, 0.16); }
  :root:not([data-theme="light"]) .status-source-sec { color: #fca5a5; background: rgba(185, 28, 28, 0.18); }
}
@media (prefers-reduced-motion: reduce) {
  .status-ticker-track { animation: none; }
}

/* ---- Services / cards ---- */
.section-head { margin-bottom: var(--space-12); }
.section-head .eyebrow { margin-bottom: var(--space-3); }
.section-head .heading-section { margin-bottom: var(--space-3); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.card {
  position: relative;
  background: var(--bg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-tinted);
  border: 1px solid var(--border);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: background-color var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              color var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}
.card:hover .card-icon {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

.card .heading-card { margin-bottom: var(--space-2); }
.card p {
  color: var(--fg-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ---- Approach ---- */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-16);
  align-items: center;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.feature-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: var(--space-3);
  align-items: start;
  line-height: 1.6;
}
.feature-list li::before {
  content: "";
  margin-top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg-tinted);
}
.feature-list strong {
  display: block;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2px;
}
.feature-list span {
  color: var(--fg-muted);
  font-size: 0.9375rem;
}

/* ---- Contact ---- */
.contact {
  text-align: center;
}
.contact .heading-section,
.contact .lede {
  margin-inline: auto;
}
.contact .heading-section { margin-bottom: var(--space-5); }
.contact-actions {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Footer ---- */
.site-footer {
  padding-block: var(--space-10);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--fg-muted);
}
.footer-inner a {
  color: var(--fg-muted);
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease);
}
.footer-inner a:hover { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }
.footer-links { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.5;
}
.footer-meta .region { color: var(--fg-subtle); font-size: 0.8125rem; }

/* ---- Notice / callouts ---- */
.notice {
  padding: var(--space-4) var(--space-5);
  background: var(--bg-tinted);
  border-left: 4px solid var(--accent-text);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--fg);
}
.notice strong { display: block; margin-bottom: 2px; color: var(--fg); }
:root[data-theme="dark"] .notice { color: #dbeafe; }
:root[data-theme="dark"] .notice strong { color: #ffffff; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .notice { color: #dbeafe; }
  :root:not([data-theme="light"]) .notice strong { color: #ffffff; }
}

/* ---- Download cards (downloads page) ---- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-block: var(--space-6) var(--space-12);
}
.download-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.download-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.download-card-head { display: flex; align-items: center; gap: var(--space-4); }
.download-card-head h3 { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.015em; }
.download-card p { color: var(--fg-muted); font-size: 0.9375rem; flex-grow: 1; }
.download-card .btn { width: 100%; }

.platform-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---- Help block ---- */
.help-block {
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.help-block h2 { margin-top: 0; margin-bottom: var(--space-3); }
.help-block p { color: var(--fg-muted); }
.help-block a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; }

/* ---- Prose page (accessibility, 404) ---- */
.prose h1 {
  font-size: clamp(2rem, 1.4rem + 2.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
}
.prose .lede { margin-bottom: var(--space-10); }
.prose h2 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: var(--space-12);
  margin-bottom: var(--space-3);
}
.prose p { margin-bottom: var(--space-4); line-height: 1.7; }
.prose p.muted { color: var(--fg-muted); }
.prose ul { margin: var(--space-4) 0 var(--space-4) var(--space-6); }
.prose li { margin-bottom: var(--space-2); line-height: 1.7; }
.prose a:not(.btn) { color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; }
.prose a:not(.btn):hover { color: var(--accent-hover); }

/* ---- (Reveal-on-load animation removed; .js-reveal is a no-op marker) ---- */

/* ---- Services catalog (services.html) ---- */
.services-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
.service-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-6) var(--space-7);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.service-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.service-item h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}
.service-item p {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
@media (max-width: 720px) {
  .services-list { grid-template-columns: 1fr; }
}

/* ---- "See more" inline link ---- */
.see-more-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  color: var(--accent-text);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease), color var(--duration) var(--ease);
}
.see-more-link:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-text);
}
.see-more-link .arrow {
  transition: transform var(--duration) var(--ease);
}
.see-more-link:hover .arrow { transform: translateX(3px); }

/* ---- Theme toggle ---- */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--fg-muted);
  transition: color var(--duration) var(--ease),
              background-color var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}
.theme-toggle:hover {
  color: var(--fg);
  background: var(--bg-alt);
  border-color: var(--border-strong);
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

/* ---- Scroll-spy active state ---- */
.nav-links a[data-active],
.nav-links a[aria-current="page"] {
  color: var(--fg);
  background: var(--bg-alt);
}
.nav-links a[data-active]::before,
.nav-links a[aria-current="page"]::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-text);
  margin-right: 6px;
  vertical-align: middle;
}

/* ---- Scroll progress (subtle, optional) ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--accent-text);
  z-index: 200;
  transform-origin: left;
  transform: scaleX(0);
  pointer-events: none;
  transition: transform 80ms linear;
}

/* ---- Micro-typography polish ---- */
.lede,
.body-muted,
.prose p {
  text-wrap: pretty;
}
.heading-section { text-wrap: balance; }
.heading-display { text-wrap: pretty; }
.footer-meta .year,
time,
.tabular {
  font-feature-settings: "tnum" 1, "ss01";
}

/* ---- Hero ambient glow uses token (responds to theme) ---- */
.hero::before {
  background: radial-gradient(closest-side, var(--hero-glow), transparent 70%);
}

/* ---- Dark mode image refinement ---- */
:root[data-theme="dark"] .media-frame img,
:root[data-theme="dark"] .hero-image img {
  filter: saturate(0.95) brightness(0.95);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .media-frame img,
  :root:not([data-theme="light"]) .hero-image img {
    filter: saturate(0.95) brightness(0.95);
  }
}

/* ---- Header in dark mode (transparent backdrop) ---- */
.site-header {
  background: rgba(255, 255, 255, 0.85);
}
:root[data-theme="dark"] .site-header {
  background: rgba(13, 17, 23, 0.85);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .site-header {
    background: rgba(13, 17, 23, 0.85);
  }
}

/* ---- Mobile nav surface in dark mode ---- */
:root[data-theme="dark"] .nav-primary {
  background: rgba(13, 17, 23, 0.97);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .nav-primary {
    background: rgba(13, 17, 23, 0.97);
  }
}

/* ---- Mobile ---- */
@media (max-width: 860px) {
  section { padding-block: var(--space-16); }
  .hero { padding-block: var(--space-20) var(--space-16); }

  .menu-toggle { display: inline-flex; }

  .nav-primary {
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-primary.open { display: block; }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--space-6) var(--space-6);
    gap: 2px;
  }
  .nav-links a {
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
  }

  .hero-grid,
  .split-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .media-frame { aspect-ratio: 16 / 10; }
  .split-grid .media-frame { order: -1; }

  .download-grid { grid-template-columns: 1fr; }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}