:root {
  color-scheme: dark;
  --bg-page: #0d0d0d;
  --bg-elevated: #161616;
  --bg-card: #1f1f1f;
  --text-primary: #f2f2f2;
  --text-muted: rgba(242, 242, 242, 0.58);
  --text-subtle: rgba(242, 242, 242, 0.38);
  --border: rgba(242, 242, 242, 0.12);
  --accent: #d4fc50;
  --accent-hover: #c4ef3c;
  --accent-soft: rgba(212, 252, 80, 0.12);
  --accent-contrast: #111;
  --danger: #ff3b30;
  --radius-glass: 24px;
  --radius-card: 20px;
  --radius-pill: 999px;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max-width: 1080px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 0.18s;
  --glow: var(--accent);
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(ellipse 90% 55% at 15% -5%, rgba(180, 220, 190, 0.12), transparent 50%),
    radial-gradient(ellipse 70% 45% at 92% 8%, rgba(212, 252, 80, 0.07), transparent 50%),
    radial-gradient(ellipse 55% 40% at 50% 110%, rgba(255, 255, 255, 0.05), transparent 50%),
    radial-gradient(circle at 50% 40%, rgba(160, 200, 170, 0.04), transparent 45%),
    var(--bg-page);
  background-attachment: fixed;
}

.fx-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 22%, rgba(212, 252, 80, 0.09), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(212, 252, 80, 0.05), transparent 26%),
    radial-gradient(circle at 70% 78%, rgba(255, 255, 255, 0.03), transparent 30%);
  animation: orb-drift 18s ease-in-out infinite alternate;
}

@keyframes orb-drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-1.5%, 1.2%, 0) scale(1.04);
  }
}

.fx-grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.fx-scan {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.22;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.012) 0px,
    rgba(255, 255, 255, 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
}

.fx-vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    120% 90% at 50% 40%,
    transparent 50%,
    rgba(0, 0, 0, 0.45) 100%
  );
}

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

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

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

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

/* Nav — pawns glass */
.top-chrome {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 10px 14px 8px;
  background: linear-gradient(
    to bottom,
    rgba(13, 13, 13, 0.65) 0%,
    rgba(13, 13, 13, 0.2) 70%,
    transparent 100%
  );
}

.nav-glass {
  --glass-fill: rgba(28, 28, 28, 0.45);
  --glass-rim: rgba(255, 255, 255, 0.14);
  position: relative;
  max-width: calc(var(--max-width) + 48px);
  margin: 0 auto;
  background:
    linear-gradient(
      165deg,
      rgba(255, 255, 255, 0.12) 0%,
      rgba(255, 255, 255, 0.03) 38%,
      rgba(255, 255, 255, 0.02) 100%
    ),
    var(--glass-fill);
  border: 1px solid var(--glass-rim);
  border-radius: 22px;
  backdrop-filter: blur(28px) saturate(180%) brightness(1.05);
  -webkit-backdrop-filter: blur(28px) saturate(180%) brightness(1.05);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 8px 32px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.nav-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 12% -10%, rgba(255, 255, 255, 0.22), transparent 45%),
    radial-gradient(80% 60% at 90% 120%, rgba(212, 252, 80, 0.06), transparent 50%);
  z-index: 0;
}

.nav-glass > * {
  position: relative;
  z-index: 1;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  min-height: 52px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px;
}

.nav-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

.nav-wordmark strong {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
  background: linear-gradient(120deg, #fff 10%, var(--accent) 55%, #e8ff9a 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-pills {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 3px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.nav-pill {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.nav-pill:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-pill.is-active {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset;
  font-size: 0.875rem;
  font-weight: 500;
  transition: border-color var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.pill-btn:hover {
  border-color: rgba(242, 242, 242, 0.22);
  background: rgba(255, 255, 255, 0.12);
}

.pill-btn.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 0 0 0 rgba(212, 252, 80, 0.15);
}

.pill-btn.primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px rgba(212, 252, 80, 0.25);
}

.pill-btn.ghost {
  background: rgba(255, 255, 255, 0.04);
}

.pill-btn.lg {
  padding: 12px 18px;
  font-size: 0.95rem;
}

.main {
  flex: 1;
  width: 100%;
  max-width: calc(var(--max-width) + 48px);
  margin: 0 auto;
  padding: 20px 16px 64px;
}

@keyframes enter-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.enter {
  animation: enter-up 0.55s var(--ease-out) both;
}

.stagger > * {
  animation: enter-up 0.55s var(--ease-out) both;
}
.stagger > *:nth-child(1) {
  animation-delay: 0.02s;
}
.stagger > *:nth-child(2) {
  animation-delay: 0.08s;
}
.stagger > *:nth-child(3) {
  animation-delay: 0.14s;
}
.stagger > *:nth-child(4) {
  animation-delay: 0.2s;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
  padding: 28px 0 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid rgba(212, 252, 80, 0.25);
  background: rgba(212, 252, 80, 0.08);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  font-weight: 500;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, #fff 0%, var(--accent) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 480px;
}

.hero-sub strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 32px;
}

.hero-stats div {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(
      165deg,
      rgba(255, 255, 255, 0.1) 0%,
      rgba(255, 255, 255, 0.02) 100%
    ),
    rgba(20, 22, 20, 0.4);
  backdrop-filter: blur(20px);
}

.hero-stats b {
  display: block;
  font-size: 1.15rem;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.hero-stats span {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.hero-visual {
  display: grid;
  place-items: center;
}

.hero-glass {
  width: min(100%, 360px);
  aspect-ratio: 1;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(
      165deg,
      rgba(255, 255, 255, 0.12) 0%,
      rgba(255, 255, 255, 0.03) 50%,
      rgba(180, 210, 185, 0.04) 100%
    ),
    rgba(20, 22, 20, 0.45);
  backdrop-filter: blur(28px) saturate(170%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.14) inset,
    0 24px 60px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 28px;
}

.hero-mark {
  width: 72%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
  animation: float-soft 5s ease-in-out infinite;
}

@keyframes float-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.hero-caption {
  text-align: center;
}

.hero-caption strong {
  display: block;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-caption span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 56px 0 8px;
}

.section-head {
  margin-bottom: 22px;
  max-width: 640px;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.section-sub {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.step {
  position: relative;
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(
      165deg,
      rgba(255, 255, 255, 0.12) 0%,
      rgba(255, 255, 255, 0.03) 50%,
      rgba(180, 210, 185, 0.04) 100%
    ),
    rgba(20, 22, 20, 0.4);
  backdrop-filter: blur(24px) saturate(170%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 8px 28px rgba(0, 0, 0, 0.28);
  transition: border-color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.step:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-2px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.step p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.flow-panel {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(16, 16, 16, 0.55);
  backdrop-filter: blur(20px);
}

.flow-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.flow-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.flow-chip.warn {
  border-color: rgba(255, 180, 84, 0.35);
  color: #ffd08a;
  background: rgba(255, 180, 84, 0.08);
}

.flow-chip.ok {
  border-color: rgba(212, 252, 80, 0.35);
  color: var(--accent);
  background: rgba(212, 252, 80, 0.08);
}

.flow-arrow {
  color: var(--text-subtle);
  font-size: 0.85rem;
}

.flow-note {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.compare-col {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(20, 22, 20, 0.4);
  backdrop-filter: blur(20px);
}

.compare-col h3 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.compare-col.bad h3 {
  color: #ff8a80;
}

.compare-col.good h3 {
  color: var(--accent);
}

.compare-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.compare-col li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}

.compare-col li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--text-subtle);
}

.compare-col.good li::before {
  content: "+";
  color: var(--accent);
}

/* Code */
.code-panel {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #101210;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.code-dots {
  width: 42px;
  height: 10px;
  border-radius: 999px;
  background: radial-gradient(circle at 5px 50%, #ff5f57 4px, transparent 5px),
    radial-gradient(circle at 21px 50%, #febc2e 4px, transparent 5px),
    radial-gradient(circle at 37px 50%, #28c840 4px, transparent 5px);
}

.code-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.code-panel pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: #d8e0d0;
}

.c-muted {
  color: #6b7568;
}
.c-str {
  color: #d4fc50;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.feature {
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02)),
    rgba(20, 22, 20, 0.4);
  backdrop-filter: blur(20px);
  transition: transform 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}

.feature:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 252, 80, 0.28);
}

.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  background: rgba(212, 252, 80, 0.1);
  border: 1px solid rgba(212, 252, 80, 0.18);
  color: var(--accent);
  font-size: 1rem;
}

.feature h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stack-card {
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02)),
    rgba(20, 22, 20, 0.4);
  backdrop-filter: blur(20px);
  transition: border-color 0.18s var(--ease-out), transform 0.18s var(--ease-out);
}

.stack-card:hover {
  border-color: rgba(212, 252, 80, 0.35);
  transform: translateY(-2px);
}

.stack-card strong {
  display: block;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.stack-card span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.cta-panel {
  margin-top: 48px;
  padding: 28px 24px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(ellipse 80% 80% at 10% 0%, rgba(212, 252, 80, 0.12), transparent 50%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02)),
    rgba(20, 22, 20, 0.55);
  backdrop-filter: blur(24px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 20px 50px rgba(0, 0, 0, 0.3);
}

.cta-mark {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.35));
}

.cta-panel h2 {
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.cta-panel p {
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 420px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.footer {
  max-width: calc(var(--max-width) + 48px);
  margin: 0 auto;
  padding: 24px 16px 40px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.footer-brand strong {
  color: var(--text-primary);
  display: block;
}

.footer-brand span {
  font-size: 0.75rem;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
  }
  .hero-glass {
    width: min(100%, 280px);
  }
  .hero-stats,
  .steps,
  .feature-grid,
  .stack-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-pills {
    display: none;
  }
  .cta-panel {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .hero-stats,
  .steps,
  .feature-grid,
  .stack-grid,
  .compare {
    grid-template-columns: 1fr;
  }
  .flow-arrow {
    display: none;
  }
}