/* ============================================================
   NXStation Landing — Design System
   Glassmorphism × modern retro-pixel · dark & light themes
   ============================================================ */

:root {
  /* Shared tokens */
  --accent: #e11d48;
  --accent-cyan: #a855f7;
  --accent-red-bright: #ff4466;
  --accent-purple-deep: #6b21a8;
  --text-on-accent: #ffffff;

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-pixel: "Silkscreen", monospace;
  --font-body: "Nunito", system-ui, sans-serif;

  /* Layout */
  --container: min(1120px, calc(100% - 2.5rem));
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 72px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root,
[data-theme="dark"] {
  color-scheme: dark;

  /* Palette — vampire purple & blood red */
  --bg: #0c0612;
  --bg-elevated: #14091c;
  --glass: rgba(24, 12, 36, 0.75);
  --glass-border: rgba(168, 85, 247, 0.14);
  --text: #f3e8ff;
  --text-muted: #b8a4cc;
  --text-dim: #8b7a9e;
  --theme-color: #0c0612;

  --body-grad-purple: rgba(107, 33, 168, 0.22);
  --body-grad-red: rgba(225, 29, 72, 0.14);
  --section-alt-mid: rgba(20, 9, 28, 0.9);
  --hero-glow-red: rgba(225, 29, 72, 0.22);
  --hero-glow-purple: rgba(168, 85, 247, 0.18);
  --surface-deep: #1a0f28;
  --surface-badge: rgba(12, 6, 18, 0.88);
  --footer-grad-end: rgba(12, 6, 18, 0.95);
  --code-bg: rgba(168, 85, 247, 0.1);
  --btn-secondary-bg: rgba(255, 255, 255, 0.04);
  --nav-divider: rgba(255, 255, 255, 0.06);
  --carousel-dot-bg: rgba(255, 255, 255, 0.2);
  --carousel-slide-bg: #14091c;
  --crt-opacity: 0.35;
  --crt-vignette: rgba(0, 0, 0, 0.35);
  --crt-blend: multiply;

  --glow-cyan: 0 0 24px rgba(168, 85, 247, 0.4), 0 0 48px rgba(225, 29, 72, 0.25);
  --glow-accent: 0 0 20px rgba(225, 29, 72, 0.45);
  --glow-pulse-start: 0 0 18px rgba(168, 85, 247, 0.3), 0 0 36px rgba(225, 29, 72, 0.18);
  --glow-pulse-end: 0 0 28px rgba(168, 85, 247, 0.55), 0 0 56px rgba(225, 29, 72, 0.35);
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
  --theme-toggle-bg: rgba(255, 255, 255, 0.04);
}

[data-theme="light"] {
  color-scheme: light;

  --accent: #be123c;
  --accent-cyan: #7c3aed;
  --accent-red-bright: #e11d48;
  --accent-purple-deep: #5b21b6;

  --bg: #faf5ff;
  --bg-elevated: #f3e8ff;
  --glass: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(124, 58, 237, 0.16);
  --text: #1e1033;
  --text-muted: #5b4a6f;
  --text-dim: #8b7a9e;
  --theme-color: #faf5ff;

  --body-grad-purple: rgba(124, 58, 237, 0.1);
  --body-grad-red: rgba(190, 18, 60, 0.07);
  --section-alt-mid: rgba(243, 232, 255, 0.95);
  --hero-glow-red: rgba(190, 18, 60, 0.1);
  --hero-glow-purple: rgba(124, 58, 237, 0.12);
  --surface-deep: #ede4f7;
  --surface-badge: rgba(255, 255, 255, 0.92);
  --footer-grad-end: rgba(243, 232, 255, 0.98);
  --code-bg: rgba(124, 58, 237, 0.08);
  --btn-secondary-bg: rgba(124, 58, 237, 0.06);
  --nav-divider: rgba(124, 58, 237, 0.1);
  --carousel-dot-bg: rgba(30, 16, 51, 0.18);
  --carousel-slide-bg: #ede4f7;
  --crt-opacity: 0.06;
  --crt-vignette: rgba(124, 58, 237, 0.08);
  --crt-blend: normal;

  --glow-cyan: 0 0 20px rgba(124, 58, 237, 0.18), 0 0 40px rgba(190, 18, 60, 0.1);
  --glow-accent: 0 0 16px rgba(190, 18, 60, 0.2);
  --glow-pulse-start: 0 0 14px rgba(124, 58, 237, 0.15), 0 0 28px rgba(190, 18, 60, 0.1);
  --glow-pulse-end: 0 0 22px rgba(124, 58, 237, 0.28), 0 0 44px rgba(190, 18, 60, 0.16);
  --shadow-card: 0 12px 32px rgba(124, 58, 237, 0.1);
  --theme-toggle-bg: rgba(124, 58, 237, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

.page-anchor {
  display: block;
  height: 0;
  width: 0;
  overflow: hidden;
  scroll-margin-top: 0;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(ellipse 70% 45% at 15% 0%, var(--body-grad-purple), transparent 55%),
    radial-gradient(ellipse 55% 40% at 85% 10%, var(--body-grad-red), transparent 50%),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--accent);
}

ul,
ol {
  list-style: none;
}

code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.9em;
  color: var(--accent-cyan);
  background: var(--code-bg);
  padding: 0.12em 0.4em;
  border-radius: 4px;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

/* ----- CRT / Scanlines ----- */
.crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.12) 0px,
    rgba(0, 0, 0, 0.12) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: var(--crt-opacity);
  mix-blend-mode: var(--crt-blend);
}

.crt-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, var(--crt-vignette) 100%);
}

/* ----- Glass utility ----- */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
}

/* ----- Typography helpers ----- */
.eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 3.75rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.text-gradient {
  background: linear-gradient(110deg, var(--accent-cyan), var(--accent) 55%, var(--accent-red-bright));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

.tag {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-accent);
  background: var(--accent);
  padding: 0.2em 0.55em;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 0.35rem;
}

/* ----- Header / Nav ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.85rem 0;
}

.nav {
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.nav__brand:hover {
  color: var(--accent-cyan);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin-left: auto;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
  margin-left: 0.15rem;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav__links a:hover {
  color: var(--text);
}

.nav__cta {
  color: var(--text-on-accent) !important;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent));
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  box-shadow: var(--glow-cyan);
}

.nav__cta:hover {
  color: var(--text-on-accent) !important;
  filter: brightness(1.08);
}

.nav__cta--donate {
  background: linear-gradient(135deg, var(--accent-red-bright), var(--accent));
  box-shadow: var(--glow-accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--theme-toggle-bg);
  color: var(--accent-cyan);
  cursor: pointer;
  transition: transform 0.2s var(--ease), border-color 0.2s, color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.06);
  border-color: var(--accent-cyan);
  color: var(--accent);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

.theme-toggle__icon {
  width: 18px;
  height: 18px;
}

[data-theme="dark"] .theme-toggle__icon--moon,
[data-theme="light"] .theme-toggle__icon--sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun,
[data-theme="light"] .theme-toggle__icon--moon {
  display: block;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.35rem;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), filter 0.2s;
}

.btn:hover {
  transform: scale(1.04);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  color: var(--text-on-accent);
  background: linear-gradient(125deg, var(--accent-cyan), var(--accent-purple-deep) 40%, var(--accent));
  background-size: 200% 200%;
  animation: btn-gradient 4s ease infinite;
  box-shadow: var(--glow-cyan);
}

.btn--secondary {
  color: var(--text);
  background: var(--btn-secondary-bg);
  border-color: var(--glass-border);
}

.btn--secondary:hover {
  border-color: rgba(168, 85, 247, 0.45);
  color: var(--accent-cyan);
}

@keyframes btn-gradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.glow-pulse {
  animation: btn-gradient 4s ease infinite, pulse-glow 2.8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: var(--glow-pulse-start);
  }
  50% {
    box-shadow: var(--glow-pulse-end);
  }
}

/* ----- Sections ----- */
.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(180deg, transparent, var(--section-alt-mid), transparent);
}

.section__header {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.section__lead {
  color: var(--text-muted);
  margin-top: 0.85rem;
  font-size: 1.05rem;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(4rem, 10vw, 6.5rem);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse 50% 60% at 20% 40%, var(--hero-glow-red), transparent 70%),
    radial-gradient(ellipse 45% 55% at 80% 30%, var(--hero-glow-purple), transparent 70%);
  pointer-events: none;
  animation: glow-drift 12s ease-in-out infinite alternate;
}

@keyframes glow-drift {
  from {
    transform: translateY(0) scale(1);
  }
  to {
    transform: translateY(4%) scale(1.05);
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 36ch;
  margin: 1.25rem 0 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-pinup {
  position: relative;
  padding: 1rem;
  overflow: hidden;
  transition: transform 0.4s var(--ease);
}

.hero-pinup:hover {
  transform: scale(1.02);
}

.glow-border {
  box-shadow: var(--glow-cyan), inset 0 0 0 1px rgba(168, 85, 247, 0.12);
  background:
    linear-gradient(var(--glass), var(--glass)) padding-box,
    linear-gradient(135deg, rgba(168, 85, 247, 0.55), transparent 40%, rgba(225, 29, 72, 0.55)) border-box;
  border: 1px solid transparent;
  animation: border-glow 5s ease infinite;
}

@keyframes border-glow {
  0%,
  100% {
    filter: drop-shadow(0 0 12px rgba(168, 85, 247, 0.2));
  }
  50% {
    filter: drop-shadow(0 0 22px rgba(225, 29, 72, 0.35));
  }
}

.hero-pinup__img {
  width: 100%;
  border-radius: calc(var(--radius) - 6px);
  background: var(--surface-deep);
}

.hero-pinup__badge {
  position: absolute;
  left: 1.5rem;
  bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  background: var(--surface-badge);
  border: 1px solid var(--glass-border);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.hero-pinup__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: blink 1.6s ease infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

/* ----- Pillars (philosophy) ----- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pillar {
  padding: 1.5rem 1.35rem;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.pillar:hover {
  transform: translateY(-4px) scale(1.015);
  border-color: rgba(168, 85, 247, 0.28);
  box-shadow: var(--shadow-card), 0 0 24px rgba(168, 85, 247, 0.08);
}

.pillar__icon {
  font-size: 1.5rem;
  margin-bottom: 0.85rem;
  line-height: 1;
}

.pillar p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ----- Features 3×2 ----- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature {
  padding: 1.6rem 1.4rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.feature:hover {
  transform: scale(1.03);
  box-shadow: var(--glow-accent);
  border-color: rgba(225, 29, 72, 0.35);
}

.feature img {
  margin-bottom: 1rem;
}

.feature p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ----- Carousel ----- */
.carousel {
  position: relative;
}

.carousel__track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.5rem 0.25rem 1.25rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel__track:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__slide {
  flex: 0 0 min(86%, 780px);
  scroll-snap-align: center;
  padding: 0.75rem;
  margin-inline: auto;
  opacity: 0.55;
  transform: scale(0.96);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.35s;
}

.carousel__slide.is-active {
  opacity: 1;
  transform: scale(1);
  box-shadow: var(--glow-cyan);
}

.carousel__slide img {
  width: 100%;
  border-radius: var(--radius-sm);
  background: var(--carousel-slide-bg);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.carousel__slide figcaption {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-align: center;
  color: var(--accent-cyan);
  padding: 0.85rem 0 0.35rem;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: transform 0.2s, border-color 0.2s, color 0.2s;
}

.carousel__btn:hover {
  transform: scale(1.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.carousel__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: var(--carousel-dot-bg);
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
  padding: 0;
}

.carousel__dot[aria-selected="true"] {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent));
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.45);
}

/* ----- Setup timeline ----- */
.setup-timeline {
  display: grid;
  gap: 1.15rem;
  position: relative;
  max-width: 760px;
  margin-inline: auto;
}

.setup-timeline::before {
  content: "";
  position: absolute;
  left: 2.15rem;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent));
  opacity: 0.35;
}

.setup-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.4rem 1.5rem;
  position: relative;
  transition: transform 0.3s var(--ease);
}

.setup-step:hover {
  transform: translateX(6px);
}

.setup-step__num {
  font-family: var(--font-pixel);
  font-size: 1rem;
  color: var(--accent);
  min-width: 2.5rem;
  line-height: 1.4;
}

.setup-step p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.35rem;
}

.setup-step strong {
  color: var(--accent-cyan);
  font-weight: 700;
}

.setup-example {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid var(--glass-border);
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-muted);
  overflow-x: auto;
}

.setup-example code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ----- Disclaimer ----- */
.disclaimer {
  padding: 1.75rem 1.85rem;
  border-left: 3px solid var(--accent);
  max-width: 820px;
  margin-inline: auto;
  box-shadow: inset 0 0 40px rgba(225, 29, 72, 0.06);
}

.disclaimer__label {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.disclaimer blockquote {
  color: var(--text-muted);
  font-size: 1rem;
  border: none;
  quotes: "“" "”";
}

.disclaimer blockquote::before {
  content: open-quote;
  color: var(--accent);
  font-size: 1.4em;
  line-height: 0;
  margin-right: 0.15em;
}

/* ----- Footer ----- */
.site-footer {
  position: relative;
  padding: 3.5rem 0 2.5rem;
  border-top: 1px solid var(--glass-border);
  background: linear-gradient(180deg, transparent, var(--footer-grad-end));
}

.footer__heading {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.credit-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  margin-bottom: 2.5rem;
}

.credit-links a {
  font-weight: 600;
  color: var(--text-muted);
}

.credit-links a:hover {
  color: var(--accent-cyan);
}

.footer__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer__bar a {
  color: var(--text-muted);
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--accent-cyan);
  font-size: 1.25rem;
  cursor: pointer;
  backdrop-filter: blur(12px);
  box-shadow: var(--glow-cyan);
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

.back-to-top:hover {
  transform: scale(1.08) translateY(-2px);
}

.back-to-top[hidden] {
  display: none;
}

.btn--donate {
  color: var(--text-on-accent);
  background: linear-gradient(135deg, var(--accent-red-bright), var(--accent));
  box-shadow: var(--glow-accent);
}

.btn--donate:hover {
  color: var(--text-on-accent);
  filter: brightness(1.08);
}

.btn--donate-sm {
  padding: 0.65rem 1.15rem;
  font-size: 0.88rem;
}

/* ----- FAQ accordion ----- */
.faq-list {
  display: grid;
  gap: 0.85rem;
  max-width: 820px;
  margin-inline: auto;
}

.faq-item {
  overflow: hidden;
  padding: 0;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s;
}

.faq-item:has(.faq-item__btn[aria-expanded="true"]) {
  border-color: rgba(168, 85, 247, 0.35);
  box-shadow: 0 0 24px rgba(168, 85, 247, 0.08);
}

.faq-item__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
}

.faq-item__btn:hover {
  color: var(--accent-cyan);
}

.faq-item__btn:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: -2px;
}

.faq-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--accent-cyan);
  transition: transform 0.3s var(--ease), background 0.2s;
}

.faq-item__btn[aria-expanded="true"] .faq-item__icon {
  transform: rotate(45deg);
  background: rgba(168, 85, 247, 0.12);
}

.faq-item__panel {
  padding: 0 1.35rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.faq-item__panel[hidden] {
  display: none;
}

.faq-item__panel a {
  font-weight: 600;
}

.faq-steps {
  list-style: decimal;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.55rem;
}

.faq-steps li::marker {
  color: var(--accent);
  font-weight: 700;
}

/* ----- Legal pages ----- */
.legal-page {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3rem, 8vw, 5rem);
}

.legal-page__inner {
  max-width: 800px;
}

.legal-page h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: 0.75rem;
}

.legal-page__lead {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.legal-card {
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.legal-card h2 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.75rem;
  color: var(--accent-cyan);
}

.legal-card h2:first-of-type {
  margin-top: 1.25rem;
}

.legal-card p,
.legal-card li {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.legal-card ul {
  list-style: disc;
  padding-left: 1.35rem;
  margin-bottom: 1rem;
  display: grid;
  gap: 0.45rem;
}

.legal-card li::marker {
  color: var(--accent);
}

.legal-note {
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent-cyan);
  background: rgba(168, 85, 247, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.legal-updated {
  margin-top: 2rem !important;
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim) !important;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 1.75rem;
  font-weight: 600;
}

.legal-contact {
  margin-top: 1.5rem;
}

/* ----- Footer extras ----- */
.footer__subheading {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 1.5rem 0 0.75rem;
}

.credit-links--stack {
  flex-direction: column;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer__thanks {
  margin-top: 1.25rem;
  max-width: 62ch;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.footer__notice {
  margin-top: 1rem;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer__donate-wrap {
  margin-top: 1.5rem;
}

/* ----- Scroll reveal ----- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal--delay {
  transition-delay: 0.15s;
}

/* ----- Responsive ----- */
@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .pillars,
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .carousel__slide {
    flex-basis: 90%;
  }
}

@media (max-width: 720px) {
  :root {
    --container: min(100% - 1.5rem, 1120px);
  }

  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0.75rem;
    right: 0.75rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    border-radius: var(--radius);
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links li {
    border-bottom: 1px solid var(--nav-divider);
  }

  .nav__links li:last-child {
    border-bottom: none;
    padding-top: 0.5rem;
  }

  .nav__links a {
    display: block;
    padding: 0.75rem 0.85rem;
  }

  .nav__cta {
    text-align: center;
  }

  .site-header {
    position: sticky;
  }

  .nav {
    position: relative;
    border-radius: var(--radius);
  }

  .pillars,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .setup-timeline::before {
    left: 1.85rem;
  }

  .footer__bar {
    flex-direction: column;
    text-align: center;
  }

  .crt-overlay {
    opacity: calc(var(--crt-opacity) * 0.65);
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .crt-overlay {
    display: none;
  }
}