:root {
  --bg: #040910;
  --bg-elevated: rgba(10, 19, 31, 0.82);
  --bg-card: rgba(11, 20, 31, 0.74);
  --bg-card-strong: rgba(11, 20, 31, 0.9);
  --border: rgba(130, 162, 186, 0.2);
  --border-strong: rgba(107, 241, 232, 0.34);
  --text: #f4fbff;
  --muted: #9cb0c1;
  --accent: #69f7ea;
  --accent-strong: #a8ff78;
  --accent-glow: rgba(105, 247, 234, 0.24);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  --radius: 28px;
  --container: min(1160px, calc(100vw - 32px));
  --font-display: "Sora", "Trebuchet MS", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(62, 215, 255, 0.18), transparent 32%),
    radial-gradient(circle at 85% 72%, rgba(169, 255, 119, 0.12), transparent 24%),
    linear-gradient(180deg, #07111f 0%, #040910 58%, #03060c 100%);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: clip;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background-image:
    linear-gradient(rgba(129, 161, 187, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(129, 161, 187, 0.07) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 85%);
}

body::after {
  background:
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.018) 47%, transparent 100%),
    linear-gradient(0deg, transparent 0%, rgba(255, 255, 255, 0.015) 49%, transparent 100%);
  opacity: 0.25;
  mix-blend-mode: screen;
  z-index: -1;
}

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

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

p,
li,
dd {
  color: var(--muted);
  line-height: 1.72;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  line-height: 1.04;
  font-family: var(--font-display);
}

.skip-link {
  position: absolute;
  left: 20px;
  top: -44px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--text);
  color: #06101b;
  z-index: 100;
}

.skip-link:focus {
  top: 20px;
}

.site-shell {
  width: var(--container);
  margin: 0 auto;
  padding-bottom: 48px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: rgba(5, 11, 18, 0.7);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-lockup img:last-child {
  min-width: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  position: relative;
  font-size: 0.92rem;
  color: var(--muted);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 11px 16px;
  background: rgba(15, 26, 40, 0.75);
  color: var(--text);
  font: inherit;
}

.section {
  padding: 108px 0 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 34px;
  min-height: calc(100vh - 138px);
  padding-top: 68px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 6vw, 5.95rem);
  letter-spacing: -0.05em;
}

.hero-dek {
  max-width: 60ch;
  margin: 24px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), #4bd5ff 58%, var(--accent-strong));
  color: #04101a;
  box-shadow: 0 18px 40px rgba(63, 216, 255, 0.22);
}

.button-secondary {
  border-color: rgba(107, 241, 232, 0.26);
  background: rgba(8, 20, 31, 0.62);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--border-strong);
  background: rgba(12, 26, 40, 0.92);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.trust-strip li,
.console-pill,
.console-tags span,
.engine-pills li {
  border: 1px solid rgba(107, 241, 232, 0.18);
  border-radius: 999px;
  background: rgba(8, 20, 31, 0.62);
  color: #dffeff;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  padding: 10px 14px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.stat-card,
.feature-card,
.engine-card,
.workflow-card,
.download-card,
.value-chip,
.faq-item,
.console-panel,
.download-note {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(12, 22, 34, 0.86), rgba(8, 15, 24, 0.92));
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 18px;
}

.stat-card::after,
.feature-card::after,
.engine-card::after,
.workflow-card::after,
.download-card::after,
.faq-item::after,
.console-panel::after,
.download-note::after,
.value-chip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 38%, transparent);
  pointer-events: none;
}

.stat-card dt {
  color: #7a8ea0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stat-card dd {
  margin: 12px 0 0;
  color: var(--text);
  font-size: 1.36rem;
  font-weight: 800;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12% 7% auto auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 255, 119, 0.22) 0%, transparent 68%);
  filter: blur(20px);
}

.signal-console {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(107, 241, 232, 0.18);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(11, 20, 31, 0.94), rgba(5, 11, 18, 0.96)),
    radial-gradient(circle at top right, rgba(62, 215, 255, 0.08), transparent 42%);
  box-shadow:
    0 38px 70px rgba(0, 0, 0, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.signal-console::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 26px;
  border: 1px solid rgba(126, 151, 171, 0.1);
  pointer-events: none;
}

.console-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.console-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.panel-large,
.panel-wide {
  grid-column: span 2;
}

.console-panel {
  min-height: 144px;
  padding: 18px;
}

.console-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.console-panel header p,
.console-panel header span {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.console-panel header span {
  color: #7a8ea0;
}

.wave-lines {
  display: grid;
  gap: 10px;
}

.wave-lines span {
  position: relative;
  display: block;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(18, 33, 49, 0.92);
}

.wave-lines span::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, rgba(105, 247, 234, 0.16), rgba(168, 255, 120, 0.95), rgba(105, 247, 234, 0.14));
  transform: translateX(-35%);
  animation: scan 4.8s linear infinite;
}

.wave-lines span:nth-child(2)::before {
  animation-delay: 0.6s;
}

.wave-lines span:nth-child(3)::before {
  animation-delay: 1.2s;
}

.wave-lines span:nth-child(4)::before {
  animation-delay: 1.8s;
}

.wave-lines span:nth-child(5)::before {
  animation-delay: 2.4s;
}

.wave-lines span:nth-child(6)::before {
  animation-delay: 3s;
}

.console-tags,
.engine-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.console-tags {
  margin-top: 18px;
}

.meter-stack {
  display: grid;
  gap: 12px;
}

.meter-stack span {
  position: relative;
  display: block;
  height: 10px;
  border-radius: 999px;
  background: rgba(16, 31, 45, 0.86);
  overflow: hidden;
}

.meter-stack span::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--level);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #68deff 58%, var(--accent-strong));
  box-shadow: 0 0 18px var(--accent-glow);
}

.code-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(8, 16, 25, 0.75);
  border: 1px solid rgba(126, 151, 171, 0.15);
}

.code-card span {
  color: #d9f2f6;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.section-heading {
  display: grid;
  gap: 18px;
  max-width: 780px;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  letter-spacing: -0.04em;
}

.feature-grid,
.engine-grid,
.download-grid,
.workflow-grid {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

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

.workflow-grid,
.download-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.engine-card,
.workflow-card,
.download-card {
  padding: 22px;
}

.feature-kicker,
.workflow-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border-radius: 14px;
  margin: 0 0 16px;
  background: rgba(9, 27, 40, 0.86);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
}

.feature-card h3,
.engine-card h3,
.workflow-card h3,
.download-card h3 {
  font-size: 1.28rem;
}

.feature-card p:last-child,
.engine-card p,
.workflow-card p,
.download-card p {
  margin: 14px 0 0;
}

.engine-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.engine-card li {
  border: 1px solid rgba(126, 151, 171, 0.16);
  border-radius: 999px;
  padding: 9px 12px;
  color: #d7edf6;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.value-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.value-chip {
  padding: 20px 22px;
}

.value-chip strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.download-note {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: center;
  margin-top: 18px;
  padding: 22px;
}

.download-note pre {
  margin: 8px 0 0;
  overflow: auto;
}

.download-note code {
  color: #dffeff;
  font-family: var(--font-mono);
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.faq-item {
  padding: 0;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 24px;
  font-family: var(--font-display);
  font-size: 1.16rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0;
  padding: 0 24px 24px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
  margin-top: 92px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: rgba(7, 14, 22, 0.8);
}

.site-footer p {
  max-width: 56ch;
}

.footer-meta {
  display: grid;
  gap: 12px;
  align-content: start;
  color: #7e97ab;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

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

@keyframes scan {
  0% {
    transform: translateX(-35%);
  }

  100% {
    transform: translateX(110%);
  }
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .workflow-grid,
  .download-grid,
  .value-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100vw - 20px, 100%);
  }

  .site-header {
    flex-wrap: wrap;
    gap: 14px;
    top: 10px;
    padding: 14px;
  }

  .brand-lockup img:last-child {
    width: min(200px, calc(100vw - 118px));
    height: auto;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 8px;
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 10px 0;
  }

  .section {
    padding-top: 84px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-stats,
  .feature-grid,
  .engine-grid,
  .workflow-grid,
  .download-grid,
  .value-strip,
  .download-note,
  .console-grid {
    grid-template-columns: 1fr;
  }

  .panel-large,
  .panel-wide {
    grid-column: span 1;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    padding: 22px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0s !important;
  }
}