/* links.sleightly.dev — Premium lightweight JustSleightly link hub
 * Source of tokens: _Logo/design-system/justsleightly/tokens.css
 * Design posture: precise, cinematic, playful card-stage UI.
 */

/* ==========================================================================
   Base
   ========================================================================== */

:root {
  --hub-max: 1180px;
  --hub-card-max: 260px;
  --hub-card-min: 0px;
  --hub-ink-soft: rgba(224, 224, 224, 0.76);
  --hub-ink-muted: rgba(152, 174, 165, 0.88);
  --hub-panel: rgba(24, 24, 24, 0.74);
  --hub-panel-strong: rgba(18, 18, 18, 0.92);
  --hub-line: rgba(255, 255, 255, 0.13);
  --hub-line-hot: rgba(255, 0, 42, 0.66);
  --hub-red-glow: 0 0 34px rgba(255, 0, 42, 0.2);
  --hub-card-shadow: 0 22px 60px rgba(0, 0, 0, 0.36), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
  --hub-card-shadow-hover: 0 30px 86px rgba(0, 0, 0, 0.48), 0 0 42px rgba(255, 0, 42, 0.18);
}

html {
  box-sizing: border-box;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

*, *::before, *::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  min-height: 100svh;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(255, 0, 42, 0.11), transparent 34%),
    radial-gradient(ellipse at center, transparent 18%, rgba(18, 18, 18, 0.88) 78%),
    var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-body-30);
  line-height: var(--leading-body-30);
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

::selection {
  background: var(--accent-selection);
  color: var(--fg);
}

/* ==========================================================================
   Skip link
   ========================================================================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: var(--accent-on);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ==========================================================================
   Stage atmosphere and interactive suits
   ========================================================================== */

.stage-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 24%, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.13) 11%, rgba(255, 255, 255, 0.045) 24%, transparent 44%),
    radial-gradient(ellipse at 10% 35%, rgba(255, 255, 255, 0.11), transparent 35%),
    linear-gradient(104deg, rgba(255, 255, 255, 0.035), transparent 28% 100%),
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: auto, auto, auto, var(--grid-size) var(--grid-size), var(--grid-size) var(--grid-size);
  opacity: 0.74;
}

#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100svh;
  pointer-events: none;
}

/* ==========================================================================
   Page wrapper
   ========================================================================== */

.page {
  position: relative;
  z-index: 1;
  width: min(100%, var(--container-max));
  margin: 0 auto;
  padding: 0 var(--container-gutter-phone);
}

/* ==========================================================================
   Header / brand rail — deliberately no duplicate logo image
   ========================================================================== */

.site-header {
  display: flex;
  justify-content: center;
  padding: clamp(20px, 4svh, 36px) 0 var(--space-4);
}

.brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 34px;
  margin: 0;
  padding: 0 var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-pill);
  background: rgba(18, 18, 18, 0.42);
  color: var(--hub-ink-muted);
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  backdrop-filter: blur(14px);
  font-size: var(--text-label-10);
  line-height: var(--leading-label-10);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-reveal), box-shadow var(--motion-base) var(--ease-standard);
}

.brand-kicker:hover,
.brand-kicker:focus-visible {
  color: var(--fg);
  border-color: rgba(255, 0, 42, 0.36);
  box-shadow: var(--focus-ring), 0 0 28px rgba(255, 0, 42, 0.16);
  transform: translateY(-1px);
}

.brand-kicker span {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-circle);
  background: var(--accent);
  box-shadow: 0 0 16px rgba(255, 0, 42, 0.72);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  isolation: isolate;
  text-align: center;
  padding: clamp(32px, 6svh, 72px) 0 clamp(42px, 7svh, 84px);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 4% 50% auto auto;
  z-index: -1;
  width: min(52vw, 560px);
  aspect-ratio: 1.8;
  border-radius: 999px;
  background:
    radial-gradient(circle at 20% 45%, rgba(255, 255, 255, 0.16), transparent 30%),
    radial-gradient(circle at 78% 48%, rgba(255, 0, 42, 0.16), transparent 38%);
  filter: blur(28px);
  opacity: 0.56;
  transform: translateX(50%);
}

.hero-logo {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: clamp(88px, 10vw, 126px);
  height: clamp(88px, 10vw, 126px);
  border-radius: var(--radius-circle);
  margin-bottom: var(--space-5);
  background: radial-gradient(circle, rgba(255, 0, 42, 0.18), transparent 62%);
  box-shadow: var(--shadow-panel), 0 0 60px rgba(255, 0, 42, 0.14);
  transform-origin: center;
  animation: hero-mark-float 5.8s var(--ease-standard) infinite;
  transition: transform 520ms var(--ease-reveal), filter var(--motion-base) var(--ease-standard);
}

.hero-logo::before,
.hero-logo::after {
  content: '';
  position: absolute;
  border-radius: inherit;
  pointer-events: none;
}

.hero-logo::before {
  inset: -10px;
  border: 1px solid rgba(255, 0, 42, 0.18);
  opacity: 0.78;
  animation: mark-orbit 7s linear infinite;
}

.hero-logo::after {
  inset: -22px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  opacity: 0.34;
  transform: scale(0.98);
}

.hero-logo:hover {
  transform: rotate(360deg) scale(1.035);
  filter: drop-shadow(0 0 22px rgba(255, 0, 42, 0.34));
}

.hero-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

@keyframes mark-orbit {
  from { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.045); }
  to { transform: rotate(360deg) scale(1); }
}

@keyframes hero-mark-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}

.hero-title {
  position: relative;
  width: fit-content;
  margin: 0 auto;
  color: var(--fg);
  background: linear-gradient(92deg, #fff 0%, var(--fg) 38%, #fff 48%, var(--fg) 60%, var(--muted) 100%);
  background-size: 260% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  font-family: var(--font-display);
  display: block;
  padding-block: 0.04em 0.14em;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.08;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-display-20);
  text-wrap: balance;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 20px 60px rgba(255, 0, 42, 0.14);
}

.hero-title::after {
  content: '';
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: -7px;
  height: 1px;
  border-radius: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 0, 42, 0.8), transparent);
  box-shadow: 0 0 22px rgba(255, 0, 42, 0.44);
  transform-origin: center;
  opacity: 0.64;
  transform: scaleX(0.82);
}

.hero-tagline {
  position: relative;
  display: block;
  width: max-content;
  max-width: min(560px, 100%);
  margin: var(--space-5) auto 0;
  overflow: hidden;
  color: var(--muted);
  font-size: clamp(17px, 2vw, var(--text-title-30));
  line-height: 1.35;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.002em;
  white-space: nowrap;
  animation: tagline-type 1.55s steps(24, end) 360ms both;
}

.hero-tagline::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 0.92em;
  margin-left: 5px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(255, 0, 42, 0.42);
  transform: translateY(0.12em);
  animation: tagline-caret 900ms steps(2, start) 4, tagline-caret-fade 420ms ease 4.2s forwards;
}

@keyframes tagline-type {
  from { max-width: 0; opacity: 0.72; }
  to { max-width: min(560px, 100%); opacity: 1; }
}

@keyframes tagline-caret {
  0%, 42% { opacity: 1; }
  43%, 100% { opacity: 0; }
}

@keyframes tagline-caret-fade {
  to { opacity: 0; }
}

/* ==========================================================================
   Section headers
   ========================================================================== */

section[aria-labelledby] {
  position: relative;
}

.section-header {
  position: relative;
  margin: var(--space-16) 0 var(--space-6);
  text-align: center;
  color: var(--fg);
  font-size: var(--text-title-20);
  line-height: var(--leading-title-20);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-title-20);
}

.section-header::after {
  content: '';
  display: block;
  width: 44px;
  height: 2px;
  margin: var(--space-2) auto 0;
  border-radius: 1px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(255, 0, 42, 0.48);
}

/* ==========================================================================
   Primary link cards — fanned-card motif
   ========================================================================== */

.primary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(var(--hub-card-min), 1fr));
  gap: clamp(10px, 1.05vw, 16px);
  max-width: min(100%, 1088px);
  margin: 0 auto;
  perspective: 1200px;
}

.primary-card {
  --tilt: 0deg;
  --fan-y: 0px;
  --fan-x: 0px;
  --fan-origin-x: 50%;
  --fan-origin-y: 118%;
  --pip: '\2660';
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  justify-self: center;
  width: 100%;
  max-width: var(--hub-card-max);
  aspect-ratio: 4 / 5;
  padding: clamp(18px, 2.2vw, var(--space-8)) clamp(14px, 1.8vw, var(--space-6));
  overflow: hidden;
  border: 1px solid var(--hub-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.09), transparent 24%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.032), transparent 100%),
    var(--hub-panel);
  color: var(--fg);
  text-decoration: none;
  box-shadow: var(--hub-card-shadow);
  transform: translate3d(var(--fan-x), var(--fan-y), 0) rotate(var(--tilt));
  transform-style: preserve-3d;
  transform-origin: var(--fan-origin-x) var(--fan-origin-y);
  transition:
    transform 420ms var(--ease-reveal),
    box-shadow 420ms var(--ease-reveal),
    border-color var(--motion-base) var(--ease-standard),
    background var(--motion-base) var(--ease-standard),
    color var(--motion-base) var(--ease-standard);
  animation: card-settle 720ms var(--ease-reveal) backwards;
}

.primary-card:nth-child(1) { --tilt: -5.2deg; --fan-y: 17px; --fan-x: 14px; --fan-origin-x: 92%; --pip: '\2660'; animation-delay: 80ms; }
.primary-card:nth-child(2) { --tilt: -1.75deg; --fan-y: 3px; --fan-x: 3px; --fan-origin-x: 64%; --pip: '\2665'; animation-delay: 150ms; }
.primary-card:nth-child(3) { --tilt: 1.75deg; --fan-y: 3px; --fan-x: -3px; --fan-origin-x: 36%; --pip: '\2666'; animation-delay: 220ms; }
.primary-card:nth-child(4) { --tilt: 5.2deg; --fan-y: 17px; --fan-x: -14px; --fan-origin-x: 8%; --pip: '\2663'; animation-delay: 290ms; }

@keyframes card-settle {
  from { opacity: 0; transform: translate3d(var(--fan-x), calc(var(--fan-y) + 24px), 0) rotate(var(--tilt)); }
  to { opacity: 1; transform: translate3d(var(--fan-x), var(--fan-y), 0) rotate(var(--tilt)); }
}

.primary-card::before,
.primary-card::after {
  content: var(--pip);
  position: absolute;
  z-index: 1;
  color: color-mix(in srgb, var(--muted), white 14%);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.08);
  transition: color var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-reveal);
}

.primary-card::before {
  top: var(--space-4);
  left: var(--space-4);
}

.primary-card::after {
  right: var(--space-4);
  bottom: var(--space-4);
  transform: rotate(180deg);
}

.primary-card:nth-child(2)::before,
.primary-card:nth-child(2)::after,
.primary-card:nth-child(3)::before,
.primary-card:nth-child(3)::after {
  color: rgba(255, 0, 42, 0.58);
}

.primary-card:hover,
.primary-card:focus-visible {
  z-index: 2;
  transform: translate3d(var(--fan-x), calc(var(--fan-y) - 14px), 0) rotate(calc(var(--tilt) * 0.35)) scale(1.026);
  border-color: var(--hub-line-hot);
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 40%), rgba(255, 0, 42, 0.18), transparent 28%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.11), transparent 34%),
    var(--hub-panel-strong);
  box-shadow: var(--hub-card-shadow-hover);
}

.primary-card:hover::before,
.primary-card:hover::after,
.primary-card:focus-visible::before,
.primary-card:focus-visible::after {
  color: var(--accent);
}

.primary-card:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), var(--hub-card-shadow-hover);
}

.primary-card .card-icon {
  position: relative;
  z-index: 1;
  width: clamp(44px, 4vw, 58px);
  height: clamp(44px, 4vw, 58px);
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.28));
  transition: color var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-reveal), filter var(--motion-base) var(--ease-standard);
}

.primary-card:hover .card-icon,
.primary-card:focus-visible .card-icon {
  color: #fff;
  transform: translateY(-3px) scale(1.04);
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.12));
}

.primary-card .card-icon svg,
.compact-card .card-icon svg,
.backstage-link .card-icon svg,
.primary-card .brand-raster-icon,
.compact-card .brand-raster-icon,
.backstage-link .brand-raster-icon {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.brand-raster-icon {
  object-fit: contain;
  border-radius: 50%;
}

.brand-icon--vrchat {
  transform: scale(1.13);
}

.brand-icon--jinxxy {
  filter: grayscale(1) brightness(1.75) contrast(1.08);
}

.primary-card .card-label {
  position: relative;
  z-index: 1;
  color: var(--fg);
  font-size: var(--text-title-20);
  line-height: var(--leading-title-20);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-title-20);
}

.primary-card .card-sub {
  position: relative;
  z-index: 1;
  margin-top: var(--space-1);
  color: var(--muted);
  font-size: var(--text-body-20);
  line-height: var(--leading-body-20);
}

.primary-card .card-accent {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  z-index: 1;
  width: 28px;
  height: 2px;
  border-radius: 1px;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(255, 0, 42, 0.74);
  transform: translateX(-50%);
  transition: width var(--motion-base) var(--ease-reveal);
}

.primary-card:hover .card-accent,
.primary-card:focus-visible .card-accent {
  width: 56px;
}

/* ==========================================================================
   Secondary and Tooling link cards
   ========================================================================== */

.secondary-grid,
.tooling-grid {
  display: grid;
  gap: var(--space-3);
  margin: 0 auto;
}

.secondary-grid {
  grid-template-columns: repeat(auto-fit, minmax(154px, 1fr));
  max-width: 920px;
}

.tooling-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 860px;
}

.compact-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 50px;
  padding: 0 var(--space-4);
  overflow: hidden;
  border: 1px solid var(--hub-line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.085);
  color: var(--hub-ink-soft);
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.035) inset;
  backdrop-filter: blur(14px);
  font-size: var(--text-body-20);
  line-height: var(--leading-body-20);
  font-weight: var(--font-weight-medium);
  transition:
    transform var(--motion-fast) var(--ease-standard),
    background var(--motion-fast) var(--ease-standard),
    border-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    box-shadow var(--motion-fast) var(--ease-standard);
}

.compact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0 32%, rgba(255, 255, 255, 0.11) 48%, transparent 62% 100%);
  transform: translateX(-120%);
  transition: transform 640ms var(--ease-reveal);
}

.compact-card:hover,
.compact-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.12);
  color: var(--fg);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), 0 0 24px rgba(255, 0, 42, 0.08);
}

.compact-card:hover::before,
.compact-card:focus-visible::before {
  transform: translateX(120%);
}

.compact-card:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 12px 30px rgba(0, 0, 0, 0.25);
}

.compact-card .card-icon {
  position: relative;
  z-index: 1;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: color-mix(in srgb, var(--fg), var(--muted) 26%);
}

.compact-card .card-label {
  position: relative;
  z-index: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   After Hours / Backstage reveal
   ========================================================================== */

.backstage {
  text-align: center;
  margin: var(--space-16) 0 var(--space-10);
}

.backstage-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-body-20);
  line-height: var(--leading-body-20);
  font-weight: var(--font-weight-medium);
  transition:
    background var(--motion-fast) var(--ease-standard),
    border-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

.backstage-pill:hover,
.backstage-pill[aria-expanded='true'] {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.07);
  color: var(--fg);
}

.backstage-pill:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.backstage-pill .chevron {
  display: inline-block;
  font-size: 12px;
  transition: transform var(--motion-base) var(--ease-reveal);
}

.backstage-pill[aria-expanded='true'] .chevron {
  transform: rotate(180deg);
}

.backstage-panel {
  max-width: 520px;
  max-height: 0;
  margin: 0 auto;
  overflow: hidden;
  opacity: 0;
  scroll-margin-block: 40px;
  transform: translateY(-6px);
  transition:
    max-height var(--motion-reveal) var(--ease-reveal),
    opacity var(--motion-base) var(--ease-standard),
    transform var(--motion-base) var(--ease-reveal);
  will-change: max-height, opacity, transform;
}

.backstage-panel.open {
  max-height: 260px;
  opacity: 1;
  transform: translateY(0);
}

.backstage-panel-inner {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--hub-line);
  border-radius: var(--radius-md);
  background: rgba(24, 24, 24, 0.9);
  box-shadow: var(--hub-card-shadow), var(--hub-red-glow);
  backdrop-filter: blur(16px);
}

.backstage-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-body-20);
  line-height: var(--leading-body-20);
  font-weight: var(--font-weight-medium);
  transition:
    background var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

.backstage-link:hover,
.backstage-link:focus-visible {
  background: rgba(255, 255, 255, 0.075);
  color: var(--fg);
  transform: translateX(2px);
}

.backstage-link:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.backstage-link .card-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  max-width: 760px;
  margin: var(--space-8) auto 0;
  padding: var(--space-10) 0 var(--space-16);
  border-top: 1px solid var(--hub-line);
  text-align: center;
  color: var(--muted);
  font-size: var(--text-body-10);
  line-height: var(--leading-body-10);
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--motion-fast) var(--ease-standard);
}

.site-footer a:hover {
  color: var(--fg);
  text-decoration: underline;
}

.site-footer a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-xs);
}

.footer-sep {
  margin: 0 var(--space-2);
}

/* ==========================================================================
   JS-enhanced reveal states
   ========================================================================== */

.motion-ready .reveal-item {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 650ms var(--ease-reveal),
    transform 650ms var(--ease-reveal);
}

.motion-ready .reveal-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (min-width: 960px) {
  .page {
    padding-inline: var(--container-gutter-desktop);
  }
}

@media (max-width: 900px) {
  .primary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 640px;
    gap: clamp(18px, 4vw, 28px);
  }

  .secondary-grid,
  .tooling-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 620px;
  }
}

@media (max-width: 560px) {
  .page {
    padding-inline: var(--space-5);
  }

  .site-header {
    padding-top: var(--space-5);
  }

  .brand-kicker {
    letter-spacing: 0.1em;
  }

  .hero {
    padding-top: var(--space-8);
  }

  .hero-title {
    font-size: clamp(38px, 14vw, 56px);
  }

  .primary-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .primary-card {
    max-width: min(330px, 100%);
    aspect-ratio: 5 / 7;
    transform: none;
  }

  .primary-card:nth-child(n) {
    --tilt: 0deg;
    --fan-y: 0px;
    --fan-x: 0px;
    --fan-origin-x: 50%;
  }

  .secondary-grid,
  .tooling-grid {
    grid-template-columns: 1fr;
  }

  .compact-card {
    justify-content: flex-start;
  }

  .section-header {
    margin-top: var(--space-10);
  }

  .backstage-panel {
    max-width: 100%;
  }
}

/* ==========================================================================
   Accessibility helpers and reduced motion
   ========================================================================== */

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

*:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  #particles-canvas {
    display: none;
  }

  .primary-card,
  .primary-card:hover,
  .primary-card:focus-visible,
  .hero-logo:hover,
  .compact-card:hover,
  .backstage-link:hover,
  .motion-ready .reveal-item {
    transform: none !important;
  }

  .hero-tagline,
  .hero-tagline::after {
    max-width: min(560px, 100%) !important;
    opacity: 1 !important;
  }

  .hero-tagline::after {
    display: none;
  }

  .motion-ready .reveal-item {
    opacity: 1 !important;
  }
}

/* ==========================================================================
   Light theme support (tokens-compatible fallback)
   ========================================================================== */

[data-theme='light'] {
  --hub-panel: rgba(244, 244, 244, 0.78);
  --hub-panel-strong: rgba(255, 255, 255, 0.94);
  --hub-line: rgba(26, 26, 26, 0.14);
  --hub-ink-soft: rgba(26, 26, 26, 0.78);
  --hub-ink-muted: rgba(77, 77, 77, 0.86);
}

[data-theme='light'] body {
  background:
    radial-gradient(ellipse at 50% -10%, rgba(255, 0, 42, 0.12), transparent 34%),
    radial-gradient(ellipse at center, transparent 18%, rgba(192, 192, 192, 0.82) 78%),
    var(--bg);
}

[data-theme='light'] .stage-atmosphere {
  background:
    radial-gradient(circle at 12% 24%, rgba(0, 0, 0, 0.08), transparent 35%),
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
  background-size: auto, var(--grid-size) var(--grid-size), var(--grid-size) var(--grid-size);
}