/* ========================================================================
   Stair Pong — TRON / NEON edition
   Deep space navy + electric cyan + magenta accent + techno fonts.
   Palette verified NOT to clash with stairponggame.com dark+green+yellow.
   ======================================================================== */

/* ---- Design tokens ---- */
:root {
  /* Deep space canvas */
  --color-bg: #050B1A;
  --color-bg-alt: #0A1330;
  --color-surface: #0E1A3D;
  --color-surface-raised: #12224A;

  /* Text — light cyan-white */
  --color-text: #D6ECFF;
  --color-text-muted: #7DA4D0;
  --color-text-subtle: #4A6A94;
  --color-text-inverse: #050B1A;

  /* Primary neon — Tron cyan */
  --color-primary: #00F0FF;
  --color-primary-dark: #00B4D4;
  --color-primary-light: #7DF9FF;
  --color-primary-glow: rgba(0, 240, 255, 0.55);

  /* Secondary neon — electric magenta */
  --color-secondary: #FF2E88;
  --color-secondary-dark: #D41E6E;
  --color-secondary-light: #FF5EA6;
  --color-secondary-glow: rgba(255, 46, 136, 0.5);

  /* Accents */
  --color-success: #39FF88;
  --color-warning: #FFD03B;
  --color-danger: #FF3B3B;
  --color-info: #00F0FF;

  /* Borders */
  --color-border: #1F3566;
  --color-border-strong: #30508C;
  --color-grid: rgba(0, 240, 255, 0.06);

  /* Ball colours (game data — kept) */
  --ball-white: #EAE6DD;
  --ball-orange: #FF9141;
  --ball-green: #39FF88;
  --ball-blue: #4D8FFF;
  --ball-pink: #FF2E88;

  /* Overlays */
  --overlay-dark: rgba(5, 11, 26, 0.82);
  --overlay-light: rgba(14, 26, 61, 0.88);

  /* Typography — techno */
  --font-display: 'Orbitron', 'Michroma', 'Arial Narrow', sans-serif;
  --font-body: 'Chakra Petch', 'Rajdhani', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', 'JetBrains Mono', 'SF Mono', monospace;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.3125rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 3.75rem;

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.55;
  --lh-loose: 1.75;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 900;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Radii — tron is sharp */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows — glow-oriented */
  --shadow-xs: 0 0 6px rgba(0, 240, 255, 0.12);
  --shadow-sm: 0 0 10px rgba(0, 240, 255, 0.18), 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 0 16px rgba(0, 240, 255, 0.24), 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 0 28px rgba(0, 240, 255, 0.32), 0 18px 44px rgba(0, 0, 0, 0.55);
  --shadow-xl: 0 0 40px rgba(0, 240, 255, 0.42), 0 28px 64px rgba(0, 0, 0, 0.65);
  --shadow-magenta: 0 0 24px rgba(255, 46, 136, 0.45), 0 8px 24px rgba(0, 0, 0, 0.45);

  /* Easing */
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);

  /* Timing */
  --duration-fast: 180ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 880px;
  --header-height: 72px;
  --sticky-cta-height: 72px;

  /* Z-index */
  --z-sticky-cta: 90;
  --z-header: 100;
  --z-mobile-drawer: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--color-bg);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px),
    radial-gradient(ellipse 1200px 600px at 50% -20%, rgba(0, 240, 255, 0.06), transparent 70%),
    radial-gradient(ellipse 900px 500px at 100% 20%, rgba(255, 46, 136, 0.04), transparent 70%);
  background-size: 50px 50px, 50px 50px, 100% 100%, 100% 100%;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1, 'liga' 1;
  overflow-x: hidden;
  min-height: 100vh;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-text);
  margin: 0 0 var(--space-4) 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
h1 {
  font-size: clamp(2rem, 5vw + 0.5rem, var(--text-5xl));
  font-weight: var(--fw-black);
  letter-spacing: 0.01em;
  color: #fff;
  text-shadow: 0 0 18px var(--color-primary-glow), 0 0 2px rgba(255, 255, 255, 0.5);
}
h2 {
  font-size: clamp(1.5rem, 3vw + 0.5rem, var(--text-3xl));
  margin-top: var(--space-8);
  color: #EDFBFF;
  text-shadow: 0 0 10px var(--color-primary-glow);
}
h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, var(--text-2xl));
  margin-top: var(--space-6);
  color: var(--color-primary-light);
}
h4 { font-size: var(--text-xl); letter-spacing: 0.06em; color: var(--color-primary-light); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); letter-spacing: 0.12em; color: var(--color-primary); }

p {
  margin: 0 0 var(--space-4) 0;
  font-weight: var(--fw-regular);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px dotted rgba(0, 240, 255, 0.4);
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast),
              text-shadow var(--duration-fast);
}
a:hover {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
  text-shadow: 0 0 8px var(--color-primary-glow);
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

ul, ol { margin: 0 0 var(--space-4) 0; padding-left: var(--space-6); }
li { margin-bottom: var(--space-2); }
li::marker { color: var(--color-primary); }

strong, b { font-weight: var(--fw-bold); color: #fff; }
code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--color-primary);
}
code {
  background: var(--color-surface);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 0 8px rgba(0, 240, 255, 0.08);
}

hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  margin: var(--space-8) 0;
  box-shadow: 0 0 6px var(--color-primary-glow);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: calc(var(--z-header) + 1);
  font-weight: var(--fw-bold);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  box-shadow: 0 0 16px var(--color-primary-glow);
  transition: top var(--duration-fast);
}
.skip-link:focus { top: var(--space-2); }

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.container--narrow { max-width: var(--container-narrow); }

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

/* ========================================================================
   GLOBAL NEON EFFECTS
   ======================================================================== */
@keyframes neon-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.78; }
}
@keyframes scan-line {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@keyframes grid-drift {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: 50px 50px, 50px 50px; }
}
@keyframes glow-breath {
  0%, 100% { box-shadow: 0 0 12px var(--color-primary-glow); }
  50%      { box-shadow: 0 0 28px var(--color-primary-glow), 0 0 48px var(--color-primary-glow); }
}
@keyframes glow-pulse-text {
  0%, 100% { text-shadow: 0 0 8px var(--color-primary-glow); }
  50%      { text-shadow: 0 0 16px var(--color-primary), 0 0 28px var(--color-primary-glow); }
}
@keyframes border-rotate {
  0%   { --angle: 0deg; }
  100% { --angle: 360deg; }
}
@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* ========================================================================
   HEADER
   ======================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: linear-gradient(180deg, rgba(5, 11, 26, 0.95), rgba(5, 11, 26, 0.78));
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--duration-base) var(--ease-out);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary) 40%, var(--color-secondary) 60%, transparent);
  opacity: 0.7;
  pointer-events: none;
}
.site-header--scrolled {
  box-shadow: 0 0 32px rgba(0, 240, 255, 0.2), 0 10px 30px rgba(0, 0, 0, 0.4);
}

.site-header__inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  border-bottom: 0;
  color: #fff;
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: var(--text-lg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-logo img {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  box-shadow: 0 0 12px var(--color-primary-glow);
}
.site-logo span {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-logo:hover span {
  filter: brightness(1.3);
}

.site-nav { display: none; }
@media (min-width: 960px) {
  .site-nav { display: flex; align-items: center; gap: var(--space-5); flex: 1; justify-content: center; }
}
.site-nav a {
  color: var(--color-text);
  border-bottom: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-1);
  position: relative;
  transition: color var(--duration-fast);
}
.site-nav a::before {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base);
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-primary-glow);
}
.site-nav a:hover::before, .site-nav a[aria-current="page"]::before {
  transform: scaleX(1);
  box-shadow: 0 0 8px var(--color-primary-glow);
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

/* Mobile header: shrink CTA, show burger, prevent logo overflow */
@media (max-width: 959px) {
  .site-header__inner { gap: var(--space-3); }
  .site-logo { font-size: var(--text-base); gap: var(--space-2); }
  .site-logo img { width: 32px; height: 32px; }
  .site-header__inner .btn-cta {
    padding: var(--space-2) var(--space-3);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }
  /* On narrow phones hide the CTA arrow char to save more space */
  .site-header__inner .btn-cta::after { display: none; }
}
@media (max-width: 480px) {
  .site-logo span { font-size: 0.85rem; }
  /* Header CTA redundant on narrow phones — sticky bottom CTA covers it. */
  .site-header__inner .btn-cta { display: none; }
}

/* ========================================================================
   BUTTONS
   ======================================================================== */
.btn-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast),
              filter var(--duration-fast);
  box-shadow: 0 0 16px var(--color-primary-glow), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-cta::before, .btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: translateX(-100%);
  transition: transform var(--duration-slow) var(--ease-out);
}
.btn-cta:hover, .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px var(--color-primary), 0 0 44px var(--color-primary-glow), inset 0 0 0 1px rgba(255, 255, 255, 0.22);
  filter: brightness(1.1);
  color: var(--color-bg);
  border-bottom-color: var(--color-primary);
}
.btn-cta:hover::before, .btn:hover::before { transform: translateX(100%); }
.btn-cta:active, .btn:active { transform: translateY(0); }
.btn-cta::after {
  content: "▸";
  display: inline-block;
  transition: transform var(--duration-fast);
}
.btn-cta:hover::after { transform: translateX(4px); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2), inset 0 0 10px rgba(0, 240, 255, 0.06);
}
.btn-secondary:hover {
  background: rgba(0, 240, 255, 0.12);
  color: var(--color-primary-light);
  box-shadow: 0 0 20px var(--color-primary), inset 0 0 20px rgba(0, 240, 255, 0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  box-shadow: none;
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-6); font-size: var(--text-sm); }

/* Burger */
.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px; height: 44px;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.burger:hover { border-color: var(--color-primary); box-shadow: 0 0 12px var(--color-primary-glow); }
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 0 6px var(--color-primary-glow);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 960px) { .burger { display: none; } }

/* Mobile drawer — right-side slide-in panel */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  width: min(88vw, 340px);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  z-index: var(--z-mobile-drawer);
  transform: translateX(100%);
  transition: transform var(--duration-base) var(--ease-out);
  overflow-y: auto;
  padding: var(--space-6) var(--space-5) var(--space-12);
  border-left: 1px solid var(--color-primary);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8);
}
.mobile-drawer[aria-hidden="false"] { transform: translateX(0); }

/* Dimming backdrop is a real sibling element, toggled by JS */
.drawer-backdrop {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: calc(var(--z-mobile-drawer) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}
.drawer-backdrop.is-visible { opacity: 1; pointer-events: auto; }
@media (min-width: 960px) { .drawer-backdrop { display: none; } }
.mobile-drawer nav { display: flex; flex-direction: column; gap: 0; }
.mobile-drawer nav a {
  display: block;
  padding: var(--space-4) 0;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--duration-fast);
}
.mobile-drawer nav a:hover,
.mobile-drawer nav a[aria-current="page"] {
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-primary-glow);
}
.mobile-drawer .btn-cta { margin-top: var(--space-6); width: 100%; padding: var(--space-4); font-size: var(--text-sm); }
@media (min-width: 960px) { .mobile-drawer { display: none; } }

/* ========================================================================
   STICKY BOTTOM CTA (mobile)
   ======================================================================== */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(5, 11, 26, 0.95), rgba(5, 11, 26, 1));
  color: var(--color-text);
  padding: var(--space-3) var(--space-5);
  z-index: var(--z-sticky-cta);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-out);
  border-top: 1px solid var(--color-primary);
  box-shadow: 0 -8px 32px rgba(0, 240, 255, 0.22);
  backdrop-filter: saturate(1.4) blur(8px);
  -webkit-backdrop-filter: saturate(1.4) blur(8px);
}
.sticky-cta--visible { transform: translateY(0); }
.sticky-cta__text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text);
  letter-spacing: 0.06em;
}
.sticky-cta .btn-cta { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
@media (min-width: 768px) { .sticky-cta { display: none; } }

/* ========================================================================
   FOOTER
   ======================================================================== */
.site-footer {
  background: #020713;
  color: rgba(214, 236, 255, 0.75);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-16);
  border-top: 1px solid var(--color-primary);
  box-shadow: 0 -1px 0 var(--color-primary), 0 -4px 40px rgba(0, 240, 255, 0.14);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary) 20%, var(--color-secondary) 50%, var(--color-primary) 80%, transparent);
  box-shadow: 0 0 20px var(--color-primary-glow);
  animation: neon-pulse 3s ease-in-out infinite;
}
.site-footer a {
  color: rgba(214, 236, 255, 0.85);
  border-bottom: 1px dotted rgba(0, 240, 255, 0.25);
}
.site-footer a:hover { color: var(--color-primary); }
.site-footer h4 {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 var(--space-4) 0;
  text-shadow: 0 0 10px var(--color-primary-glow);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(1, 1fr);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); } }

.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: var(--space-2); }
.footer-col p { font-size: var(--text-sm); line-height: var(--lh-loose); color: rgba(214, 236, 255, 0.7); }

.footer-logo {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-black);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-logo img {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  box-shadow: 0 0 14px var(--color-primary-glow);
}
.footer-logo span {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}
.footer-badges a { border-bottom: 0; }
.footer-badges img {
  height: 36px;
  width: auto;
  opacity: 0.66;
  filter: saturate(0.8);
  transition: opacity var(--duration-fast), filter var(--duration-fast);
}
.footer-badges img:hover {
  opacity: 1;
  filter: saturate(1.2) drop-shadow(0 0 8px var(--color-primary-glow));
}

.footer-disclaimer {
  background: rgba(255, 59, 59, 0.08);
  border-left: 2px solid var(--color-danger);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-6) 0;
  font-size: var(--text-sm);
  line-height: var(--lh-loose);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: rgba(214, 236, 255, 0.88);
  box-shadow: inset 0 0 20px rgba(255, 59, 59, 0.04);
}
.footer-disclaimer strong { color: var(--color-danger); }

.footer-copyright {
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(214, 236, 255, 0.45);
  padding-top: var(--space-6);
  letter-spacing: 0.08em;
}

/* ========================================================================
   HERO
   ======================================================================== */
.hero {
  padding: var(--space-5) 0 var(--space-6);
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 767px) {
  .hero { min-height: auto; padding: var(--space-6) 0; }
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0.5;
  animation: neon-pulse 4s ease-in-out infinite;
  pointer-events: none;
}
.hero > .container { width: 100%; }
.hero__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.1fr 1fr; gap: var(--space-8); }
}
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  background: rgba(0, 240, 255, 0.08);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.18);
}
/* Compact hero title — fits in 2-3 lines without breaking hero into viewport */
.hero .hero__title,
.hero h1.hero__title {
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2.5rem);
  line-height: 1.08;
  letter-spacing: 0;
  margin-bottom: var(--space-3);
  max-width: 20ch;
}
@media (min-width: 1200px) {
  .hero .hero__title { font-size: 2.75rem; max-width: 22ch; }
}
.hero__lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
  margin-bottom: var(--space-5);
  max-width: 52ch;
}
@media (min-width: 960px) {
  .hero__lede { font-size: var(--text-lg); }
}
.hero__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-5); }
.hero__video {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.28), 0 20px 50px rgba(0, 0, 0, 0.6);
  position: relative;
}
@media (min-width: 960px) {
  .hero__video { aspect-ratio: 3 / 4; max-height: 58vh; }
}
.hero__video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, transparent 70%, rgba(0, 240, 255, 0.08) 100%);
  pointer-events: none;
}
.hero__video video { width: 100%; height: 100%; object-fit: cover; }

/* Math snapshot: under hero, full width, compact */
.hero .math-snapshot { margin-top: var(--space-6); gap: var(--space-3); }
.hero .stat-card { padding: var(--space-4); }
.hero .stat-card__label { font-size: 0.75rem; margin-bottom: var(--space-1); }
.hero .stat-card__value { font-size: var(--text-2xl); }
.hero .stat-card__note { font-size: 0.75rem; }

/* ========================================================================
   MATH SNAPSHOT — stat cards with animated border
   ======================================================================== */
.math-snapshot {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}
@media (min-width: 640px) { .math-snapshot { grid-template-columns: repeat(4, 1fr); } }

.stat-card {
  position: relative;
  background: linear-gradient(180deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: left;
  overflow: hidden;
  transition: transform var(--duration-fast), border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary-glow);
  transition: width var(--duration-base) var(--ease-out);
}
.stat-card::after {
  content: "";
  position: absolute;
  bottom: 0; right: 0;
  width: 40px;
  height: 2px;
  background: var(--color-secondary);
  box-shadow: 0 0 10px var(--color-secondary-glow);
  transition: width var(--duration-base) var(--ease-out);
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: 0 0 24px var(--color-primary-glow), 0 16px 30px rgba(0, 0, 0, 0.4);
}
.stat-card:hover::before { width: 100%; }
.stat-card:hover::after  { width: 100%; }

.stat-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--fw-black);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
  text-shadow: 0 0 12px var(--color-primary-glow);
  letter-spacing: 0.02em;
}
.stat-card__value--accent {
  color: var(--color-secondary);
  text-shadow: 0 0 14px var(--color-secondary-glow);
}
.stat-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ========================================================================
   SECTION
   ======================================================================== */
.section {
  padding: var(--space-5) 0;
  position: relative;
}
.section--alt {
  background: rgba(14, 26, 61, 0.35);
}
.section > .container { min-height: 0; }
.section > .container > *:last-child { margin-bottom: 0; }

/* Block-level elements must clear preceding float — they must not wrap around images */
.section > .container > .callout,
.section > .container > .data-table,
.section > .container > table,
.section > .container > .partner-card,
.section > .container > .math-snapshot,
.section > .container > .grid-cards,
.section > .container > h2,
/* No clear: both needed — figures are no longer floated */
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-primary);
  margin-bottom: var(--space-3);
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.04);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
}
.section__title { margin-bottom: var(--space-3); max-width: 780px; }
.section__lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 780px;
  margin-bottom: var(--space-4);
  line-height: var(--lh-normal);
}

/* ========================================================================
   CARDS
   ======================================================================== */
.card {
  background: linear-gradient(180deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  position: relative;
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base),
              box-shadow var(--duration-base);
}
.card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 24px; height: 24px;
  border-top: 2px solid var(--color-primary);
  border-left: 2px solid var(--color-primary);
  opacity: 0.6;
  transition: opacity var(--duration-fast);
  pointer-events: none;
}
.card::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 24px; height: 24px;
  border-bottom: 2px solid var(--color-secondary);
  border-right: 2px solid var(--color-secondary);
  opacity: 0.6;
  transition: opacity var(--duration-fast);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 0 28px var(--color-primary-glow), 0 14px 32px rgba(0, 0, 0, 0.5);
}
.card:hover::before, .card:hover::after { opacity: 1; }

/* ========================================================================
   TOC
   ======================================================================== */
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  margin: var(--space-6) 0;
  box-shadow: inset 0 0 30px rgba(0, 240, 255, 0.04);
}
.toc h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin: 0 0 var(--space-3) 0;
  color: var(--color-primary);
}
.toc ol { column-count: 1; list-style: decimal inside; margin: 0; padding: 0; }
@media (min-width: 640px) { .toc ol { column-count: 2; column-gap: var(--space-6); } }
.toc li {
  margin-bottom: var(--space-1);
  break-inside: avoid;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.toc a {
  color: var(--color-text);
  border-bottom: 0;
}
.toc a:hover { color: var(--color-primary); text-shadow: 0 0 8px var(--color-primary-glow); }

/* ========================================================================
   CALLOUT
   ======================================================================== */
.callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-5) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: inset 0 0 30px rgba(0, 240, 255, 0.05);
}
.callout--warning { border-left-color: var(--color-warning); box-shadow: inset 0 0 30px rgba(255, 208, 59, 0.06); }
.callout--danger  { border-left-color: var(--color-danger);  box-shadow: inset 0 0 30px rgba(255, 59, 59, 0.06); }
.callout--info    { border-left-color: var(--color-info);    box-shadow: inset 0 0 30px rgba(0, 240, 255, 0.05); }
.callout__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  display: block;
  font-weight: var(--fw-bold);
}
.callout--warning .callout__label { color: var(--color-warning); }
.callout--danger  .callout__label { color: var(--color-danger); }
.callout--info    .callout__label { color: var(--color-info); }

/* ========================================================================
   FAQ accordion
   ======================================================================== */
.faq { margin-top: var(--space-6); }
.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.faq details[open] {
  border-color: var(--color-primary);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.2), inset 0 0 40px rgba(0, 240, 255, 0.04);
}
.faq summary {
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: var(--text-base);
  letter-spacing: 0.03em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text);
  text-transform: uppercase;
}
.faq summary:hover { color: var(--color-primary); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-primary-glow);
  transition: transform var(--duration-base);
}
.faq details[open] summary::after { content: "−"; }
.faq .faq-body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  line-height: var(--lh-loose);
}
.faq .faq-body p:last-child { margin-bottom: 0; }

/* ========================================================================
   TABLES
   ======================================================================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-5) 0;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-sm);
  table-layout: auto;
}
/* Mobile: smaller font + padding so table fits 390px screen without overflow */
@media (max-width: 767px) {
  .data-table { font-size: 0.78rem; }
  .data-table th, .data-table td { padding: var(--space-2); }
  .data-table th {
    font-size: 0.65rem;
    letter-spacing: 0.04em;
  }
}
.data-table th, .data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.data-table th {
  background: var(--color-bg-alt);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: var(--fw-bold);
  text-shadow: 0 0 8px var(--color-primary-glow);
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:hover td {
  background: rgba(0, 240, 255, 0.04);
}
.data-table td.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--color-primary-light);
}
.data-table .ball-color {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: var(--space-2);
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 8px currentColor;
}

/* ========================================================================
   BREADCRUMB + BYLINE
   ======================================================================== */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0; padding: 0; }
.breadcrumb li + li::before { content: ">"; margin-right: var(--space-2); color: var(--color-primary); }
.breadcrumb a { color: var(--color-primary); border-bottom: 0; }
.breadcrumb [aria-current="page"] { color: var(--color-text); }

.byline {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}
.byline img {
  width: 42px; height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary-glow);
}
.byline__name {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.byline__meta {
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.byline__meta time { color: var(--color-primary); }
.byline__social {
  display: flex;
  gap: var(--space-2);
  margin-left: auto;
  align-items: center;
}
.byline__social a {
  display: inline-flex;
  align-items: center;
  padding: 4px var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration-fast);
}
.byline__social a:hover {
  border-color: var(--color-primary);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 10px var(--color-primary-glow);
  color: var(--color-primary-light);
}
@media (max-width: 640px) {
  .byline { flex-wrap: wrap; }
  .byline__social { margin-left: 0; margin-top: var(--space-2); width: 100%; }
}

/* ========================================================================
   SCROLL-REVEAL
   ======================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--left { transform: translateX(-24px); }
.reveal--left.visible { transform: translateX(0); }
.reveal--right { transform: translateX(24px); }
.reveal--right.visible { transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  body { background-attachment: scroll; }
}

/* ========================================================================
   CONTENT IMAGES — text-wrapped float.
   Container uses flow-root to contain the float cleanly (no clearfix gaps).
   Figures appear at their natural HTML position and text wraps around.
   ======================================================================== */
.section > .container { display: flow-root; }

.section figure {
  max-width: 480px;
  width: 100%;
  margin: var(--space-5) auto;
  padding: 0;
  text-align: center;
}
.section figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 18px var(--color-primary-glow), 0 10px 26px rgba(0, 0, 0, 0.5);
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base);
  background: var(--color-bg-alt);
  cursor: zoom-in;
  display: block;
}
.section figure img:hover {
  transform: scale(1.03);
  box-shadow: 0 0 28px var(--color-primary), 0 14px 36px rgba(0, 0, 0, 0.6);
}
.section figcaption {
  font-size: 0.7rem;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  margin-top: var(--space-2);
  text-align: center;
  letter-spacing: 0.04em;
  line-height: var(--lh-snug);
}
.section figure--wide { max-width: 640px; }

/* Mobile: no special override needed — figures are already full-width blocks */
@media (max-width: 767px) {
  .section figure,
  .section figure:nth-of-type(even) {
    max-width: 100%;
    margin: var(--space-4) auto;
  }
  .section figure--wide { max-width: 100%; width: 100%; }
}

/* ========================================================================
   PARTNER CARD — neon magenta box with animated conic border
   ======================================================================== */
.partner-card {
  position: relative;
  background: linear-gradient(135deg, #1A0A2A 0%, #0F1735 100%);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  margin: var(--space-8) 0;
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
@media (min-width: 768px) {
  .partner-card { grid-template-columns: 1.6fr 1fr; padding: var(--space-10); }
}
/* Animated conic-gradient border */
.partner-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: conic-gradient(from var(--angle, 0deg),
    var(--color-primary), var(--color-secondary), var(--color-primary-light), var(--color-secondary), var(--color-primary));
  border-radius: inherit;
  z-index: -2;
  animation: border-rotate 6s linear infinite;
}
.partner-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A0A2A 0%, #0F1735 100%);
  border-radius: inherit;
  z-index: -1;
}
@supports not (background: conic-gradient(from 0deg, red, red)) {
  .partner-card::before { background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); animation: none; }
}
.partner-card__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-secondary);
  background: rgba(255, 46, 136, 0.1);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  box-shadow: 0 0 14px var(--color-secondary-glow);
  animation: neon-pulse 3s ease-in-out infinite;
}
.partner-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: var(--fw-black);
  color: #fff;
  margin: 0 0 var(--space-3);
  line-height: var(--lh-tight);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(255, 46, 136, 0.4);
}
.partner-card__text {
  color: rgba(214, 236, 255, 0.88);
  font-size: var(--text-base);
  line-height: var(--lh-loose);
  margin-bottom: var(--space-5);
  max-width: 520px;
}
.partner-card__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  max-width: 520px;
}
.partner-card__stat {
  border-left: 2px solid var(--color-primary);
  padding-left: var(--space-3);
  box-shadow: -1px 0 8px rgba(0, 240, 255, 0.3);
}
.partner-card__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--fw-black);
  color: var(--color-primary);
  line-height: 1;
  text-shadow: 0 0 12px var(--color-primary-glow);
}
.partner-card__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.partner-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: #fff;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-secondary);
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: var(--text-sm);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), filter var(--duration-fast);
  box-shadow: 0 0 20px var(--color-secondary-glow);
  animation: glow-breath 3s ease-in-out infinite;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-secondary);
}
.partner-card__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--color-secondary), 0 0 60px var(--color-secondary-glow);
  filter: brightness(1.15);
  color: #fff;
}
.partner-card__cta::after {
  content: "▸";
  font-family: var(--font-mono);
  transition: transform var(--duration-fast);
}
.partner-card__cta:hover::after { transform: translateX(4px); }
.partner-card__secondary {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.partner-card__visual {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 32px var(--color-primary-glow);
}
.partner-card__visual video,
.partner-card__visual img {
  width: 100%;
  display: block;
}

/* ========================================================================
   CROSS-LINKS — animated "continue reading" grid at end of main pages
   ======================================================================== */
.cross-links-section {
  padding: var(--space-8) 0 var(--space-10);
  position: relative;
  overflow: hidden;
}
.cross-links-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary) 30%, var(--color-secondary) 70%, transparent);
  opacity: 0.6;
  animation: neon-pulse 3s ease-in-out infinite;
}
.cross-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}
.cross-link-card {
  position: relative;
  background: linear-gradient(180deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--color-text);
  overflow: hidden;
  display: block;
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base),
              box-shadow var(--duration-base);
  border-bottom: 1px solid var(--color-border);
  isolation: isolate;
}
/* Top-left cyan bracket + bottom-right magenta bracket */
.cross-link-card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 0; height: 2px;
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary-glow);
  transition: width var(--duration-base) var(--ease-out);
  z-index: 2;
}
.cross-link-card::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 0; height: 2px;
  background: var(--color-secondary);
  box-shadow: 0 0 10px var(--color-secondary-glow);
  transition: width var(--duration-base) var(--ease-out);
  z-index: 2;
}
.cross-link-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 0 24px var(--color-primary-glow), 0 14px 30px rgba(0, 0, 0, 0.5);
  color: var(--color-text);
}
.cross-link-card:hover::before { width: 100%; }
.cross-link-card:hover::after  { width: 100%; }
/* Scanline sweep on hover */
.cross-link-card .scanline {
  position: absolute;
  top: 0; left: -100%;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.12), transparent);
  transition: left var(--duration-slow) var(--ease-out);
  pointer-events: none;
  z-index: 1;
}
.cross-link-card:hover .scanline { left: 120%; }

.cross-link-card__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-primary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  position: relative;
  z-index: 3;
}
.cross-link-card__title {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  color: #fff;
  font-size: var(--text-lg);
  margin: 0 0 var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: var(--lh-tight);
  position: relative;
  z-index: 3;
}
.cross-link-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
  margin: 0 0 var(--space-3);
  position: relative;
  z-index: 3;
}
.cross-link-card__arrow {
  font-family: var(--font-mono);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: var(--fw-bold);
  position: relative;
  z-index: 3;
}
.cross-link-card__arrow::after {
  content: "▸";
  transition: transform var(--duration-base) var(--ease-out);
}
.cross-link-card:hover .cross-link-card__arrow::after { transform: translateX(6px); }

/* ========================================================================
   PRINT
   ======================================================================== */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .sticky-cta, .mobile-drawer, .site-footer, .burger { display: none !important; }
  a { color: #000; text-decoration: underline; border-bottom: 0; }
  h1, h2, h3 { color: #000; text-shadow: none; }
}

/* ========================================================================
   READ ALSO — inline mid-content boxes (stair-pong differentiator)
   Floated neon-accented boxes that break up long-form content
   ======================================================================== */
.read-also {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(255, 46, 136, 0.04) 100%);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-left: 3px solid var(--color-primary);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.read-also::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle at top right, var(--color-primary-glow) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}
.read-also__label {
  display: inline-block;
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin: 0 0 0.4rem;
  padding: 2px 8px;
  border: 1px solid var(--color-primary);
  border-radius: 2px;
  background: rgba(0, 240, 255, 0.08);
}
.read-also__content {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text);
}
.read-also__content a {
  color: var(--color-secondary-light);
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(90deg, transparent 0%, transparent 100%);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: 0 95%;
  background-image: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-secondary) 100%);
  padding-bottom: 1px;
  transition: color 0.2s ease, background-image 0.2s ease;
}
.read-also__content a:hover {
  color: var(--color-primary);
  background-image: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 100%);
}
.read-also--right {
  float: right;
  max-width: 320px;
  margin-left: 1.5rem;
  clear: both;
}
.read-also--left {
  float: left;
  max-width: 320px;
  margin-right: 1.5rem;
  clear: both;
}
@media (max-width: 768px) {
  .read-also--right,
  .read-also--left {
    float: none;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
}