:root {
  --bg: #050914;
  --bg-elevated: #08111f;
  --bg-soft: #0d1929;
  --panel: rgba(11, 22, 38, 0.78);
  --panel-strong: rgba(13, 26, 45, 0.94);
  --panel-hover: rgba(18, 36, 60, 0.92);
  --border: rgba(148, 177, 214, 0.18);
  --border-strong: rgba(144, 238, 255, 0.34);
  --text: #eef7ff;
  --text-soft: #b9c8dc;
  --text-muted: #8493aa;
  --cyan: #65e4ff;
  --cyan-deep: #16a6cf;
  --violet: #8b7dff;
  --green: #7af0b4;
  --amber: #ffd166;
  --rose: #ff7aaf;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  --glow: 0 0 44px rgba(101, 228, 255, 0.22);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --max-width: 1180px;
  --nav-height: 74px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  background:
    radial-gradient(circle at 18% -8%, rgba(101, 228, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 84% 4%, rgba(139, 125, 255, 0.2), transparent 36rem),
    radial-gradient(circle at 45% 64%, rgba(122, 240, 180, 0.08), transparent 42rem),
    linear-gradient(135deg, #040711 0%, #07111f 45%, #0b1322 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 50% 12%, black 0%, transparent 74%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

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

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

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

code {
  color: var(--cyan);
}

.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 200;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--bg);
  background: var(--cyan);
  transform: translateY(-140%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-height);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled,
.site-header[data-open="true"] {
  border-bottom: 1px solid var(--border);
  background: rgba(5, 9, 20, 0.82);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-shell {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  box-shadow: 0 0 26px rgba(101, 228, 255, 0.18);
}

.brand span {
  font-size: 1.04rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 700;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background: rgba(101, 228, 255, 0.1);
}

.nav-links .nav-cta {
  margin-left: 6px;
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: rgba(101, 228, 255, 0.1);
}

.nav-links .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 13px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header[data-open="true"] .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header[data-open="true"] .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header[data-open="true"] .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 150px 0 88px;
  display: grid;
  align-items: center;
  isolation: isolate;
}

.hero-orbit {
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  filter: blur(6px);
  opacity: 0.62;
}

.hero-orbit-one {
  width: 34rem;
  height: 34rem;
  right: -12rem;
  top: 8rem;
  background: radial-gradient(circle, rgba(101, 228, 255, 0.2), transparent 64%);
}

.hero-orbit-two {
  width: 28rem;
  height: 28rem;
  left: -11rem;
  bottom: 5rem;
  background: radial-gradient(circle, rgba(139, 125, 255, 0.2), transparent 62%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(440px, 1.15fr);
  align-items: center;
  gap: 56px;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.9rem, 6.5vw, 5.9rem);
  line-height: 0.94;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-lead,
.section-copy p,
.section-center p,
.cta-card p,
.site-footer p {
  color: var(--text-soft);
  font-size: 1.06rem;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 34px;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #031018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 14px 44px rgba(101, 228, 255, 0.24);
}

.button-primary:hover {
  box-shadow: 0 18px 58px rgba(101, 228, 255, 0.34);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
}

.button-secondary:hover {
  background: rgba(101, 228, 255, 0.1);
}

.hero-visual {
  min-width: 0;
  position: relative;
}

.hero-screenshot {
  width: 100%;
  border-radius: 24px;
  box-shadow:
    0 28px 100px rgba(0, 0, 0, 0.46),
    0 0 70px rgba(101, 228, 255, 0.22),
    0 0 120px rgba(139, 125, 255, 0.16);
}

.section {
  padding: 118px 0;
}

.section-tight {
  padding-top: 92px;
}

.section-muted {
  border-block: 1px solid var(--border);
  background:
    radial-gradient(circle at 16% 10%, rgba(101, 228, 255, 0.1), transparent 30rem),
    rgba(255, 255, 255, 0.025);
}

.split,
.architecture-grid,
.compare-grid,
.roadmap-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: 48px;
  align-items: start;
}

.section-copy {
  position: sticky;
  top: 110px;
}

.section-copy p {
  max-width: 560px;
}

.section-center {
  max-width: 780px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-center .eyebrow {
  justify-content: center;
}

.section-center .eyebrow::after {
  content: "";
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.principle-grid,
.feature-grid {
  display: grid;
  gap: 16px;
}

.principle-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.principle-card,
.feature-card,
.terminal-card,
.comparison,
.cta-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.principle-card,
.feature-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.principle-card::before,
.feature-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  opacity: 0;
  background: radial-gradient(circle at 16% 0%, rgba(101, 228, 255, 0.2), transparent 18rem);
  transition: opacity 0.22s ease;
}

.principle-card:hover,
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--panel-hover);
}

.principle-card:hover::before,
.feature-card:hover::before {
  opacity: 1;
}

.card-number {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.principle-card p,
.feature-card p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border: 1px solid rgba(101, 228, 255, 0.28);
  border-radius: 14px;
  color: var(--cyan);
  background: rgba(101, 228, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 800;
}

.terminal-card {
  overflow: hidden;
  background: rgba(3, 8, 15, 0.8);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.045);
}

.terminal-header span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
}

.terminal-header span:nth-child(1) {
  background: #ff5f57;
}

.terminal-header span:nth-child(2) {
  background: #ffbd2e;
}

.terminal-header span:nth-child(3) {
  margin-right: 8px;
  background: #28c840;
}

.terminal-header strong {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
}

.terminal-card pre {
  overflow-x: auto;
  margin: 0;
  padding: 24px;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.8;
}

.cli-session {
  padding: 24px;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.75;
}

.cli-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--text);
}

.cli-line:first-child {
  margin-top: 0;
}

.cli-prompt {
  color: var(--green);
  font-weight: 700;
}

.cli-command {
  color: var(--cyan);
}

.cli-output {
  margin-left: 23px;
  color: var(--text-muted);
}

.cli-line-active {
  color: var(--text);
}

.cli-typed {
  overflow: hidden;
  display: inline-block;
  max-width: max-content;
  white-space: nowrap;
}

.cli-cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  margin-left: 1px;
  border-radius: 1px;
  background: var(--green);
  animation: cursor-blink 1s steps(2, start) infinite;
}

@keyframes cursor-blink {
  0%,
  45% {
    opacity: 1;
  }

  46%,
  100% {
    opacity: 0;
  }
}

.comparison {
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
}

.comparison-row:last-child {
  border-bottom: 0;
}

.comparison-row span {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.comparison-row strong {
  color: var(--text-soft);
  font-size: 1.08rem;
}

.comparison-row.positive strong {
  color: var(--green);
}

.roadmap-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.roadmap-list li {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
}

.roadmap-list span {
  display: inline-flex;
  justify-content: center;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(101, 228, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
}

.roadmap-list strong {
  color: var(--text-soft);
  font-weight: 700;
}

.cta-section {
  padding: 0 0 118px;
}

.cta-card {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 70px);
  text-align: center;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 0%, rgba(101, 228, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 80% 0%, rgba(139, 125, 255, 0.2), transparent 30rem);
}

.cta-card img {
  width: min(360px, 70%);
  margin: 0 auto 24px;
}

.cta-card p {
  max-width: 660px;
  margin: 0 auto 28px;
}

.cta-card .hero-actions {
  justify-content: center;
}

.site-footer {
  padding: 44px 0;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand {
  margin-bottom: 12px;
}

.site-footer p {
  max-width: 520px;
  margin-bottom: 0;
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--text-soft);
  font-weight: 700;
}

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

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-top: 130px;
  }

  .hero-grid,
  .split,
  .architecture-grid,
  .compare-grid,
  .roadmap-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .section-copy {
    position: static;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --nav-height: 68px;
  }

  .container {
    width: min(100% - 28px, var(--max-width));
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    inset: calc(var(--nav-height) + 10px) 14px auto;
    display: grid;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(5, 9, 20, 0.96);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-header[data-open="true"] .nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    justify-content: flex-start;
    width: 100%;
  }

  .nav-links .nav-cta {
    margin-left: 0;
  }

  .hero {
    padding: 112px 0 68px;
  }

  h1 {
    font-size: clamp(2.75rem, 14vw, 4.25rem);
  }

  h2 {
    font-size: clamp(2.25rem, 12vw, 3.7rem);
  }

  .principle-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 82px 0;
  }

  .comparison-row,
  .roadmap-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    padding-inline: 16px;
  }

}