/* ==========================================================================
   moon4 CDN — styles
   Dark-first theme, respects prefers-color-scheme for light mode.
   ========================================================================== */

:root {
  --bg: #0b0d14;
  --bg-soft: #0f1220;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #e6e8f0;
  --text-muted: #9aa0b5;
  --text-faint: #6b7286;

  --accent: #a78bfa;
  --accent-strong: #8b6fdf;
  --accent-soft: rgba(167, 139, 250, 0.14);
  --accent-glow: rgba(167, 139, 250, 0.35);

  --gradient-mid: #c4b5fd;
  --gradient-end: #8b5cf6;

  --hero-orb-b: rgba(52, 211, 153, 0.16);

  --down-glow: rgba(248, 113, 113, 0.4);
  --warn-glow: rgba(251, 191, 36, 0.4);

  --ok: #34d399;
  --ok-soft: rgba(52, 211, 153, 0.14);
  --ok-glow: rgba(52, 211, 153, 0.45);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.14);
  --down: #f87171;
  --down-soft: rgba(248, 113, 113, 0.14);

  --radius: 16px;
  --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";

  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --shadow-soft: 0 10px 30px -16px rgba(0, 0, 0, 0.5);

  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5fb;
    --bg-soft: #eceef8;
    --surface: rgba(255, 255, 255, 0.65);
    --surface-hover: rgba(255, 255, 255, 0.92);
    --border: rgba(20, 24, 48, 0.1);
    --border-strong: rgba(20, 24, 48, 0.2);

    --text: #1c2030;
    --text-muted: #4c5268;
    --text-faint: #7a809a;

    --accent: #6d42d6;
    --accent-strong: #5a34b8;
    --accent-soft: rgba(109, 66, 214, 0.12);
    --accent-glow: rgba(109, 66, 214, 0.22);

    --gradient-mid: #8b6fdf;
    --gradient-end: #6d42d6;

    --hero-orb-b: rgba(15, 157, 110, 0.1);

    --down-glow: rgba(220, 38, 38, 0.3);
    --warn-glow: rgba(180, 83, 9, 0.3);

    --ok: #0f9d6e;
    --ok-soft: rgba(15, 157, 110, 0.12);
    --ok-glow: rgba(15, 157, 110, 0.35);
    --warn: #b45309;
    --warn-soft: rgba(180, 83, 9, 0.12);
    --down: #dc2626;
    --down-soft: rgba(220, 38, 38, 0.12);

    --shadow: 0 18px 44px -20px rgba(30, 30, 70, 0.22);
    --shadow-soft: 0 8px 26px -14px rgba(30, 30, 70, 0.18);
  }
}

/* ---------- Reset / base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--accent-soft);
}

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

button {
  font-family: inherit;
}

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

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

main {
  flex: 1 0 auto;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 12px;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  color: var(--accent);
  display: inline-flex;
  transition: transform var(--transition);
}
.brand:hover .brand-mark {
  transform: rotate(-8deg) scale(1.05);
}

.brand-name {
  font-size: 1.15rem;
}
.brand-accent {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.5rem);
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 6px;
  position: relative;
  transition: color var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-link:hover {
  color: var(--text);
}
.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 8px 18px;
  font-weight: 600;
  transition: background var(--transition), color var(--transition),
    transform var(--transition);
}
.nav-cta::after {
  display: none;
}
.nav-cta:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle-bar {
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 820px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition),
      visibility var(--transition);
  }
  .nav-menu.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
  .nav-link {
    display: block;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }
  .nav-link::after {
    display: none;
  }
  .nav-link:hover {
    background: var(--surface);
  }
  .nav-cta {
    text-align: center;
    margin-top: 6px;
  }
}

/* ---------- Shared section scaffolding ---------- */

.section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
  position: relative;
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-desc {
  margin-top: 0.8rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: clamp(4.5rem, 12vh, 8rem);
}

.hero-grid-glow {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 30%, transparent 75%);
  opacity: 0.55;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
}
.hero-orb-a {
  width: 460px;
  height: 460px;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
}
.hero-orb-b {
  width: 340px;
  height: 340px;
  bottom: -160px;
  right: -80px;
  background: radial-gradient(circle, var(--hero-orb-b), transparent 70%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-status-text {
  color: inherit;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 var(--ok);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 var(--ok-glow);
  }
  70% {
    box-shadow: 0 0 0 9px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

.hero-title {
  margin-top: 1.4rem;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(120deg, var(--accent), var(--gradient-mid) 45%, var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-subtitle {
  max-width: 560px;
  margin: 1.2rem auto 0;
  color: var(--text-muted);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
}

.hero-actions {
  margin-top: 2.2rem;
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.97rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), color var(--transition);
}
.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 26px -10px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-strong);
  box-shadow: 0 14px 32px -10px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: var(--surface-hover);
  transform: translateY(-1px);
}

/* ---------- Status board ---------- */

.status {
  background: var(--bg-soft);
  border-block: 1px solid var(--border);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.status-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background var(--transition), border-color var(--transition),
    transform var(--transition), box-shadow var(--transition);
}
.status-card:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.status-dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 var(--ok-glow);
  transition: background var(--transition);
  animation: pulse 2.4s infinite;
}
.status-dot.down {
  background: var(--down);
  box-shadow: 0 0 0 0 var(--down-glow);
}
.status-dot.degraded {
  background: var(--warn);
  box-shadow: 0 0 0 0 var(--warn-glow);
}

.status-card-body {
  flex: 1 1 auto;
  min-width: 0;
}

.status-name {
  font-size: 0.98rem;
  font-weight: 700;
}

.status-note {
  font-size: 0.83rem;
  color: var(--text-faint);
  margin-top: 1px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-state {
  flex: 0 0 auto;
}

.status-badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ok);
  background: var(--ok-soft);
  white-space: nowrap;
}
.status-badge.down {
  color: var(--down);
  background: var(--down-soft);
}
.status-badge.degraded {
  color: var(--warn);
  background: var(--warn-soft);
}

/* ---------- Features ---------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.feature-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background var(--transition), border-color var(--transition),
    transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  background: var(--surface-hover);
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-soft);
}
.feature-card:hover::before {
  opacity: 0.7;
}

.feature-icon {
  width: 44px;
  height: 44px;
  padding: 9px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: var(--accent-soft);
  margin-bottom: 16px;
}
.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-body {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ---------- Edge nodes ---------- */

.edges {
  background: var(--bg-soft);
  border-block: 1px solid var(--border);
}

.edges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 0.9rem;
}

.edge-node {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background var(--transition), border-color var(--transition),
    transform var(--transition);
}
.edge-node:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.edge-city {
  font-size: 0.98rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.edge-city::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok-glow);
}

.edge-region {
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-top: 2px;
}

/* ---------- CTA ---------- */

.cta-inner {
  text-align: center;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--border-strong);
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(
    180deg,
    var(--accent-soft),
    var(--surface) 55%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.cta-inner .btn {
  margin-top: 1.6rem;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 2rem;
  padding-block: 2rem;
}

.footer-brand .brand-name {
  color: var(--text);
}

.footer-domain a {
  color: var(--text-muted);
  font-weight: 600;
  transition: color var(--transition);
}
.footer-domain a:hover {
  color: var(--accent);
}

.footer-powered {
  color: var(--text-faint);
  font-size: 0.88rem;
}
.footer-powered a {
  color: var(--text-muted);
  font-weight: 600;
  transition: color var(--transition);
}
.footer-powered a:hover {
  color: var(--accent);
}

.footer-copy {
  margin-left: auto;
  color: var(--text-faint);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .footer-copy {
    margin-left: 0;
    width: 100%;
  }
}

/* ---------- Motion: subtle reveal ---------- */

.fade-up {
  opacity: 0;
  transform: translateY(18px);
}
.fade-up.in-view {
  animation: fadeUp 560ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .fade-up {
    opacity: 1;
    transform: none;
  }
}