@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Sora:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #0b0f16;
  --bg-strong: #121826;
  --surface: rgba(18, 24, 39, 0.8);
  --surface-soft: rgba(14, 20, 33, 0.9);
  --ink: #f3f6fb;
  --ink-soft: #d4dced;
  --muted: #98a6bc;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #60a5fa;
  --accent-deep: #3b82f6;
  --accent-soft: rgba(96, 165, 250, 0.16);
  --mpp-tint: rgba(110, 231, 183, 0.08);
  --footer-bg: #090d14;
  --footer-muted: #91a0b7;
  --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.28);
  --shadow-hard: 0 22px 56px rgba(0, 0, 0, 0.4);
  --radius: 18px;
  --font-sans: "Sora", "Avenir Next", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  background:
    radial-gradient(circle at top left, rgba(96, 165, 250, 0.16), transparent 24%),
    radial-gradient(circle at 82% 10%, rgba(110, 231, 183, 0.08), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(96, 165, 250, 0.08), transparent 24%),
    linear-gradient(180deg, #08101b 0%, var(--bg) 38%, var(--bg-strong) 100%);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

code,
pre {
  font-family: var(--font-mono);
}

code {
  padding: 0.14rem 0.38rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  color: #dbeafe;
  font-size: 0.92em;
}

html[data-local-demo="false"] [data-local-only] {
  display: none !important;
}

html[data-local-demo="true"] [data-remote-only] {
  display: none !important;
}

.site-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.26;
  z-index: -2;
}

.container {
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  transition:
    background-color 180ms ease,
    box-shadow 180ms ease,
    backdrop-filter 180ms ease;
}

.site-header[data-scrolled="true"],
.site-header[data-open="true"] {
  background: rgba(8, 12, 19, 0.84);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.2rem 0;
}

.brand,
.brand--footer {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.pixel-border::after {
  display: none;
}

.brand__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(17, 24, 39, 0.72);
  box-shadow: var(--shadow-soft);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand__wordmark {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.78);
  color: var(--ink);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.site-header__panel {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a,
.github-link,
.site-footer__links a {
  color: var(--ink-soft);
  transition: color 160ms ease;
}

.site-nav a:hover,
.github-link:hover,
.site-footer__links a:hover {
  color: var(--accent);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.github-link__stars {
  color: var(--accent);
  font-weight: 600;
}

wa-button::part(base) {
  min-height: 3rem;
  font-weight: 600;
}

wa-card::part(base) {
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-soft);
}

.hover-elevate {
  transition: transform 180ms ease;
}

.hover-elevate:hover {
  transform: translateY(-2px);
}

.hover-elevate:hover::part(base) {
  box-shadow: var(--shadow-hard);
}

.site-main {
  overflow: hidden;
}

.hero-section,
.content-section,
.cta-section {
  position: relative;
  scroll-margin-top: 7rem;
}

.section-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.16;
  z-index: -1;
}

.hero-section {
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-section__inner {
  display: grid;
  gap: 4rem;
  padding: 8.75rem 0 5.5rem;
}

.hero-copy {
  max-width: 64rem;
  margin: 0 auto;
  text-align: center;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.66);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-title,
.section-heading h2,
.flow-explainer h3,
.cta-panel h2,
.subpage-hero h1 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6.1rem);
  font-weight: 800;
}

.hero-title__line {
  display: block;
}

.hero-title__protocol {
  font-family: var(--font-mono);
  font-size: 0.92em;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.hero-rotator {
  --aspect-ratio: auto;
  display: block;
  height: 1.15em;
  margin-top: 0.12em;
  color: var(--accent);
  line-height: 1.15;
  overflow: hidden;
  pointer-events: none;
}

.hero-rotator__item {
  display: block;
  text-align: center;
  white-space: nowrap;
}

.hero-copy__lede,
.section-heading p:last-child,
.flow-step__description,
.flow-explainer__copy,
.flow-explainer__note,
.cta-panel p,
.info-card__body p,
.feature-card__body p,
.comparison-card__body p,
.subpage-hero > p,
.subpage-panel p,
.plain-list,
.subpage-callout {
  color: var(--muted);
}

.hero-copy__lede {
  max-width: 50rem;
  margin: 1.7rem auto 0;
  font-size: 1.1rem;
}

.hero-copy__actions,
.cta-panel__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem 1.25rem;
  max-width: 72rem;
  margin: 1.9rem auto 0;
  padding: 0.95rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(18, 24, 39, 0.9), rgba(110, 231, 183, 0.05)),
    rgba(18, 24, 39, 0.78);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.hero-highlights {
  margin-top: 7rem !important;
}

.hero-highlights,
.feature-grid,
.comparison-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 72rem;
  margin: 0 auto;
}

.hero-highlights,
.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card__body,
.feature-card__body,
.comparison-card__body,
.table-card__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
}

.info-card__body,
.feature-card__body {
  align-items: flex-start;
}

.info-card__body h3,
.feature-card__body h3,
.comparison-card__body h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.2;
}

.info-card__body p,
.feature-card__body p,
.comparison-card__body p {
  margin: 0;
}

.info-card__icon,
.feature-card__icon,
.flow-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--accent-soft), rgba(129, 178, 156, 0.16));
  color: var(--accent-deep);
  border: 1px solid var(--line-strong);
  border-radius: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.info-card__icon wa-icon {
  font-size: 1.35rem;
}

.content-section {
  padding: 6rem 0;
}

.section-heading {
  max-width: 54rem;
  margin: 0 auto 4rem;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(2.45rem, 5vw, 4rem);
  font-weight: 800;
}

.section-heading p:last-child {
  margin: 1rem auto 0;
  max-width: 42rem;
  font-size: 1.05rem;
}

.flow-layout {
  max-width: 72rem;
  margin: 0 auto;
}

.flow-panel-wrap {
  width: 100%;
}

.flow-panel {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

#flow-diagram {
  display: grid;
  align-items: center;
  justify-items: center;
  min-height: clamp(23rem, 52vw, 31rem);
  padding: 1.1rem;
  overflow: auto;
}

#flow-diagram svg {
  width: min(100%, 58rem);
  height: auto;
  display: block;
  margin: 0 auto;
}

.flow-sequence-step {
  opacity: 0;
  transition: opacity 340ms ease;
}

.flow-sequence-step[data-flow-visible="true"] {
  opacity: 1;
}

.flow-stage__fallback {
  display: grid;
  place-items: center;
  min-height: 100%;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  text-align: center;
}

.flow-step-carousel {
  --aspect-ratio: auto;
  display: block;
}

.flow-step-carousel wa-carousel-item {
  display: block;
}

.flow-step {
  display: grid;
  gap: 0.85rem;
  padding: 0.2rem 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.flow-step__header {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.flow-step__count,
.comparison-table thead th,
.site-footer__meta p,
.subpage-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.flow-step__header h3 {
  margin: 0.2rem 0 0;
  font-size: 1.32rem;
  line-height: 1.15;
}

.flow-step__description {
  margin: 0;
}

.flow-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  flex-wrap: nowrap;
}

.flow-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 3rem;
  min-width: 3rem;
  height: 3rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0;
  background: rgba(18, 24, 39, 0.86);
  color: var(--ink);
  transition: background-color 160ms ease, border-color 160ms ease;
}

.flow-button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(27, 36, 56, 0.94);
}

.flow-button__icon {
  display: inline-flex;
  width: 1rem;
  height: 1rem;
}

.flow-button__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.flow-button--brand {
  background: var(--accent-deep);
  color: #ffffff;
  border-color: transparent;
}

.flow-dots {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0.45rem;
  flex: 1 1 auto;
  min-width: 0;
}

.flow-dot {
  appearance: none;
  display: block;
  flex: 0 0 auto;
  width: 1rem;
  min-width: 1rem;
  height: 1rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(212, 220, 237, 0.36);
  cursor: pointer;
  transition:
    transform 160ms ease,
    background-color 160ms ease;
}

.flow-dot[data-active="true"] {
  background: var(--accent);
  transform: scale(1.15);
}

.table-card {
  margin-top: 1.5rem;
}

.comparison-table__wrap {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  color: var(--muted);
}

.comparison-table tbody th {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
}

.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.7rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status--yes {
  background: rgba(34, 197, 94, 0.16);
  color: #7ee7a8;
}

.status--partial {
  background: rgba(202, 138, 4, 0.2);
  color: #facc15;
}

.status--gap {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
}

.cta-section {
  padding: 2rem 0 6rem;
}

.cta-panel {
  max-width: 56rem;
  margin: 0 auto;
  padding: 2.6rem 2rem;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(20, 27, 42, 0.9), rgba(12, 18, 29, 0.94)),
    rgba(18, 24, 39, 0.82);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: var(--shadow-soft);
}

.cta-panel h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 800;
}

.cta-panel p {
  max-width: 40rem;
  margin: 1rem auto 0;
}

.site-footer {
  background: var(--footer-bg);
  color: #ffffff;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 2rem;
  padding: 3.25rem 0 2.25rem;
}

.site-footer__brand p {
  max-width: 28rem;
  margin: 1.15rem 0 0;
  color: var(--footer-muted);
}

.site-footer__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  justify-content: start;
  gap: 0.8rem 1.6rem;
  align-content: start;
}

.site-footer__links a {
  color: var(--footer-muted);
}

.site-footer__meta {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__meta p {
  padding: 1rem 0 1.4rem;
  color: rgba(255, 255, 255, 0.68);
}

.page-shell {
  min-height: 100vh;
}

.subpage-hero {
  max-width: 58rem;
  margin: 0 auto;
  padding: 8.5rem 0 6rem;
  text-align: center;
}

.subpage-kicker {
  color: var(--accent);
}

.subpage-hero h1 {
  margin-top: 0.6rem;
  font-size: clamp(2.6rem, 6vw, 4.7rem);
  font-weight: 800;
}

.subpage-hero > p {
  max-width: 44rem;
  margin: 1rem auto 0;
}

.subpage-panel {
  margin-top: 2rem;
}

.subpage-panel__body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
}

.subpage-panel__section {
  display: grid;
  gap: 0.85rem;
  text-align: left;
}

.subpage-panel__section h2 {
  margin: 0;
  font-size: 1.25rem;
}

.plain-list {
  margin: 0;
  padding-left: 1.2rem;
}

.plain-list li + li {
  margin-top: 0.5rem;
}

.command-block {
  margin: 0;
  padding: 1rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0a0f18;
  color: #ffffff;
}

.subpage-callout {
  margin: 0;
}

@keyframes pixel-shift {
  0%,
  100% {
    transform: translate(0, 0);
  }

  25% {
    transform: translate(1px, 1px);
  }

  50% {
    transform: translate(0, 1px);
  }

  75% {
    transform: translate(1px, 0);
  }
}

.animate-pixel-shift {
  animation: none;
}

@media (max-width: 960px) {
  html[data-nav-open="true"] {
    overflow-x: hidden;
    overflow-y: scroll;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-header__panel {
    position: absolute;
    top: calc(100% - 0.3rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem;
    background: rgba(8, 12, 19, 0.96);
    border: 1px solid var(--line);
    border-radius: calc(var(--radius) + 4px);
    box-shadow: var(--shadow-soft);
  }

  .site-header[data-open="true"] .site-header__panel {
    display: flex;
  }

  .site-nav,
  .site-header__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    gap: 0.9rem;
  }

  .site-header__actions {
    gap: 0.8rem;
  }

  .hero-highlights,
  .feature-grid,
  .comparison-grid,
  .site-footer__inner,
  .subpage-panel__body {
    grid-template-columns: 1fr;
  }

  .site-footer__links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero-section__inner {
    gap: 2.5rem;
    padding-top: 7.8rem;
  }

  .hero-strip,
  .hero-copy__actions,
  .cta-panel__actions {
    flex-direction: column;
    align-items: stretch;
  }

  #flow-diagram {
    min-height: 21rem;
    padding: 0.9rem;
  }

  .comparison-table {
    min-width: 760px;
  }

  .cta-panel {
    padding: 2rem 1.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}