:root {
  --bg-0: #02070d;
  --bg-1: #09111d;
  --line: rgba(177, 206, 232, 0.16);
  --text-0: #eef5fb;
  --text-1: rgba(225, 236, 245, 0.82);
  --text-2: rgba(190, 208, 223, 0.58);
  --accent: #9ed6ff;
  --accent-soft: rgba(126, 191, 255, 0.18);
  --beam-x: 50%;
  --beam-y: 56%;
  --shadow-hero: 0 30px 80px rgba(0, 0, 0, 0.5);
  --shadow-shell: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius-xl: 32px;
  --radius-md: 18px;
  --content-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background:
    radial-gradient(circle at top, rgba(126, 191, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #030913 0%, #09111b 44%, #0d1725 100%);
  color: var(--text-0);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text-0);
  background: transparent;
}

.landing-page {
  position: relative;
  isolation: isolate;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

[id] {
  scroll-margin-top: 7rem;
}

.landing-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 80%);
  opacity: 0.4;
}

.landing-page::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 18% 24%, rgba(126, 191, 255, 0.12), transparent 26%),
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.06), transparent 24%),
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size:
    auto,
    auto,
    96px 96px,
    96px 96px;
  background-position:
    center,
    center,
    center,
    center;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent 88%);
  opacity: 0.36;
}

.site-header,
.hero-stage,
.page-shell,
.footer-shell {
  position: relative;
}

.hero-stage,
.page-shell,
.footer-shell {
  z-index: 1;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 5;
  padding: 1rem 1.25rem 0;
  transition:
    transform 240ms ease,
    opacity 240ms ease;
}

.site-header__inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem 1.5rem;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 11, 18, 0.74);
  backdrop-filter: blur(20px);
  box-shadow: 0 14px 40px rgba(2, 8, 16, 0.38);
}

.brandmark {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brandmark__logo {
  width: 2.9rem;
  height: 2.9rem;
  object-fit: contain;
}

.brandmark__copy {
  display: grid;
  min-width: 0;
}

.brandmark__copy strong {
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brandmark__copy span {
  font-size: 0.73rem;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav,
.site-actions,
.language-switch,
.hero-actions,
.footer-links {
  display: flex;
  align-items: center;
}

.site-nav {
  gap: 1.4rem;
  color: var(--text-1);
  font-size: 0.92rem;
}

.site-nav a,
.footer-links a,
.language-switch a {
  transition: color 180ms ease, opacity 180ms ease;
}

.site-nav a:hover,
.footer-links a:hover,
.language-switch a:hover {
  color: var(--accent);
}

.site-actions {
  gap: 0.85rem;
}

.language-switch {
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-2);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.language-switch a[aria-current="true"] {
  color: var(--text-0);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #12100a;
  background:
    linear-gradient(135deg, #eef8ff, #aedbff 58%, #5d9cd6 100%);
  box-shadow: 0 14px 40px rgba(126, 191, 255, 0.22);
}

.button--ghost {
  color: var(--text-0);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.02);
}

.button--ghost:hover {
  border-color: rgba(126, 191, 255, 0.48);
  color: var(--accent);
}

.hero-stage {
  position: relative;
  min-height: 100svh;
  padding: clamp(8rem, 14vw, 10rem) 1.25rem 3rem;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(126, 191, 255, 0.1), transparent 26%),
    radial-gradient(circle at bottom, rgba(255, 255, 255, 0.04), transparent 34%),
    linear-gradient(180deg, rgba(2, 7, 13, 0.94) 0%, rgba(5, 11, 21, 0.9) 52%, rgba(9, 17, 29, 0.88) 100%);
}

.background-lattice {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0.7;
  transition:
    opacity 220ms ease,
    filter 220ms ease;
}

.background-lattice__svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.background-lattice__segment,
.background-lattice__node,
.background-lattice__pulse {
  transform-box: fill-box;
  transform-origin: center;
}

.background-lattice__segment {
  fill: none;
  stroke: rgba(224, 244, 255, 0.82);
  stroke-width: 2;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 10px rgba(126, 191, 255, 0.28));
  opacity: 0.82;
}

.background-lattice__node {
  fill: #f2fbff;
  stroke: rgba(126, 191, 255, 0.22);
  stroke-width: 10;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 18px rgba(126, 191, 255, 0.26));
}

.background-lattice__pulse {
  opacity: 0;
  animation: optical-pulse 6.4s ease-in-out infinite;
}

.background-lattice__pulse circle {
  fill: rgba(241, 248, 255, 0.96);
  filter: drop-shadow(0 0 14px rgba(158, 214, 255, 0.5));
}

@keyframes optical-pulse {
  0%,
  12% {
    opacity: 0;
  }

  18%,
  78% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

body[data-beam-active="true"] .background-lattice {
  opacity: 0.92;
  filter: saturate(1.08) brightness(1.08);
}

body[data-beam-active="true"] .background-lattice__segment,
body[data-beam-active="true"] .background-lattice__node,
body[data-beam-active="true"] .background-lattice__pulse {
  filter: drop-shadow(0 0 16px rgba(158, 214, 255, 0.42));
}

.hero-stage::before,
.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-stage::before {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 24%),
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%);
  opacity: 0.6;
}

.hero-stage::after {
  background:
    radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.08) 48%, rgba(0, 0, 0, 0.72) 100%);
}

.hero-beam {
  position: absolute;
  inset: -18%;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--beam-x) var(--beam-y), rgba(126, 191, 255, 0.38), rgba(126, 191, 255, 0.1) 12%, transparent 28%),
    radial-gradient(circle at calc(var(--beam-x) + 6%) calc(var(--beam-y) - 24%), rgba(241, 248, 255, 0.2), transparent 14%),
    radial-gradient(circle at calc(var(--beam-x) - 14%) calc(var(--beam-y) + 18%), rgba(126, 191, 255, 0.12), transparent 18%);
  filter: blur(16px);
  mix-blend-mode: screen;
  opacity: 0.75;
  transition:
    opacity 200ms ease,
    filter 200ms ease,
    transform 200ms ease;
}

[data-hero-stage][data-beam-active="true"] .hero-beam {
  opacity: 1;
  filter: blur(6px);
  transform: scale(1.04);
}

.hero-stage__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  display: grid;
  place-items: center;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  text-align: center;
  min-height: calc(100svh - clamp(10rem, 16vw, 13rem));
}

.hero-lockup {
  display: grid;
  justify-items: center;
  gap: 1.1rem;
  width: max-content;
  max-width: none;
  transform: none;
}

.hero-badge,
.section-label {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.hero-wordmark {
  display: grid;
  justify-items: center;
  gap: 0.85rem;
  width: max-content;
  max-width: none;
}

.hero-wordmark__brand {
  font-family: "Outfit", "Segoe UI", sans-serif;
  font-weight: 600;
  font-size: clamp(3.6rem, 12vw, 8.5rem);
  line-height: 0.86;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: var(--shadow-hero);
}

.hero-wordmark__rule {
  width: min(24rem, 58vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(158, 214, 255, 0.9), transparent);
}

.hero-title,
.cta-shell__content h2,
.story-panel h2,
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.4rem, 5.8vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero-title {
  width: min(100%, 14ch);
  display: grid;
  gap: 0.15em;
}

.hero-title__accent {
  color: var(--accent);
}

.hero-motto {
  margin: 0;
  color: rgba(214, 232, 245, 0.82);
  font-size: clamp(1rem, 2vw, 1.35rem);
  letter-spacing: 0.48em;
  text-transform: uppercase;
  opacity: 0.06;
  filter: blur(12px);
  transform: translateY(0.2rem);
  text-shadow: 0 0 0 rgba(126, 191, 255, 0);
  transition:
    opacity 220ms ease,
    filter 220ms ease,
    transform 220ms ease,
    text-shadow 220ms ease;
}

[data-hero-stage][data-beam-active="true"] .hero-motto {
  opacity: 0.94;
  filter: blur(0);
  transform: translateY(0);
  text-shadow: 0 0 24px rgba(126, 191, 255, 0.32);
}

[data-hero-stage]:focus-within .hero-motto {
  opacity: 0.94;
  filter: blur(0);
  transform: translateY(0);
  text-shadow: 0 0 24px rgba(126, 191, 255, 0.32);
}

.hero-description,
.section-copy,
.benefit-card p,
.feature-card p,
.cta-shell__footnote {
  color: var(--text-1);
  line-height: 1.7;
}

.hero-description {
  width: min(100%, 50rem);
  margin: 1.3rem 0 0;
  font-size: clamp(1rem, 2.1vw, 1.2rem);
}

.hero-actions {
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2rem;
}

.page-shell {
  width: min(100%, calc(var(--content-width) + 2.5rem));
  margin: -4.5rem auto 0;
  z-index: 2;
  padding: 0 1.25rem 5rem;
  display: grid;
  gap: 1.5rem;
}

.intro-shell .section-shell__inner {
  display: grid;
  gap: 1.3rem;
  justify-items: center;
  text-align: center;
}

.intro-shell .hero-description {
  width: min(100%, 50rem);
  margin: 0;
}

.intro-shell .hero-actions {
  margin-top: 0.3rem;
}

.section-shell__inner {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    linear-gradient(180deg, rgba(17, 17, 17, 0.98), rgba(10, 10, 10, 0.94));
  box-shadow: var(--shadow-shell);
}

.benefit-card,
.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.4rem;
}

.story-panel {
  display: grid;
  gap: 1.2rem;
}

.cta-shell__inner {
  display: grid;
  gap: 1.2rem;
  overflow: hidden;
}

.story-panel--highlight {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid rgba(126, 191, 255, 0.18);
  border-radius: calc(var(--radius-xl) - 8px);
  background:
    radial-gradient(circle at top right, rgba(126, 191, 255, 0.14), transparent 30%),
    rgba(255, 255, 255, 0.03);
}

.story-panel--simulation,
.demo-frame--viewport,
.cta-shell__inner {
  position: relative;
  isolation: isolate;
}

.story-panel--simulation {
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(126, 191, 255, 0.14), transparent 32%),
    linear-gradient(180deg, rgba(7, 12, 20, 0.98), rgba(11, 17, 27, 0.95));
}

.section-copy {
  margin: 0;
  font-size: 1.02rem;
}

.section-copy--wide {
  max-width: 42rem;
}

.signal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.95rem;
}

.signal-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.signal-list__marker,
.feature-card__index,
.benefit-card__metric {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
}

.signal-list__marker {
  width: 0.75rem;
  height: 0.75rem;
  margin-top: 0.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #dff2ff, #6ea8db);
  box-shadow: 0 0 0 6px rgba(126, 191, 255, 0.12);
}

.feature-stack,
.benefit-grid {
  display: grid;
  gap: 1rem;
}

.feature-card {
  grid-template-columns: auto 1fr;
  display: grid;
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.05rem;
}

.story-panel--simulation .feature-card {
  border-color: rgba(126, 191, 255, 0.12);
  background: rgba(5, 10, 16, 0.64);
}

.feature-card__index {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.feature-card h3,
.benefit-card h3 {
  margin: 0;
  font-size: 1.08rem;
}

.feature-card p,
.benefit-card p {
  margin: 0.35rem 0 0;
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.benefit-card {
  padding: 1.35rem;
}

.benefit-card__metric {
  width: fit-content;
  min-width: 3rem;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.demo-shell__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 1.25rem;
  align-items: center;
}

.demo-shell__copy {
  display: grid;
  gap: 1rem;
}

.demo-frame {
  overflow: hidden;
  border: 1px solid rgba(126, 191, 255, 0.18);
  border-radius: calc(var(--radius-xl) - 6px);
  background:
    radial-gradient(circle at top right, rgba(126, 191, 255, 0.12), transparent 28%),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-shell);
}

.demo-frame--viewport {
  position: relative;
  overflow: hidden;
}

.demo-frame--viewport::after {
  content: "";
  position: absolute;
  inset: 0.75rem;
  z-index: 2;
  border: 1px solid rgba(158, 214, 255, 0.16);
  border-radius: calc(var(--radius-xl) - 12px);
  pointer-events: none;
}

.demo-frame iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

.logo-pdf-shell__inner {
  padding: clamp(0.75rem, 2vw, 1rem);
}

.logo-pdf-frame {
  overflow: hidden;
  border: 1px solid rgba(126, 191, 255, 0.18);
  border-radius: calc(var(--radius-xl) - 6px);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-shell);
}

.logo-pdf-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.cta-shell .section-shell__inner {
  background:
    radial-gradient(circle at top right, rgba(126, 191, 255, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(14, 19, 28, 0.98), rgba(8, 12, 18, 0.96));
}

.cta-shell__inner {
  align-items: center;
}

.cta-shell__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.cta-shell__footnote {
  margin: 0;
  color: var(--text-2);
}

.footer-shell {
  width: min(100%, calc(var(--content-width) + 2.5rem));
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.footer-shell__inner {
  padding: 1.5rem 0 1rem;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
}

.brandmark--footer .brandmark__copy span,
.footer-links,
.footer-shell__meta {
  color: var(--text-2);
}

.footer-links {
  gap: 1.4rem;
  font-size: 0.92rem;
}

.footer-shell__meta {
  margin: 0;
  font-size: 0.82rem;
}

@media (max-width: 960px) {
  .site-header__inner,
  .footer-shell__inner {
    border-radius: 1.5rem;
  }

  .site-header__inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .split-layout,
  .benefit-grid,
  .demo-shell__inner {
    grid-template-columns: 1fr;
  }

  .page-shell {
    margin-top: -2.5rem;
  }

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

@media (max-width: 640px) {
  .site-header {
    padding-inline: 0.75rem;
  }

  .site-header__inner,
  .section-shell__inner {
    padding-inline: 1rem;
  }

  .brandmark__copy span {
    white-space: normal;
  }

  .site-actions,
  .hero-actions,
  .cta-shell__actions,
  .footer-links {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .language-switch {
    justify-content: center;
  }

  .button {
    width: 100%;
  }

  .hero-stage {
    padding-top: 7.5rem;
  }

  .hero-motto {
    letter-spacing: 0.3em;
    max-width: 12ch;
  }
}
