:root {
  --bg: #10150f;
  --panel: #182119;
  --panel-strong: #1f2a20;
  --line: #8ba56e;
  --signal: #d6f36a;
  --accent: #d34b39;
  --ink: #f2ecdf;
  --muted: #b9bea9;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #121912 0%, #0f140f 55%, #0c110d 100%);
  color: var(--ink);
}

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

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

button,
input,
summary {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: var(--signal);
  color: var(--bg);
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px);
  background: rgba(16, 21, 15, 0.86);
  border-bottom: 1px solid rgba(139, 165, 110, 0.18);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 5.25rem;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
}

.brand-mark {
  width: 3.5rem;
  height: 3.5rem;
  flex: 0 0 auto;
}

.brand-wordmark,
.footer-wordmark {
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--muted);
}

.site-nav a,
.footer-nav a,
.text-link {
  transition: color 180ms ease;
}

.site-nav a:hover,
.footer-nav a:hover,
.text-link:hover {
  color: var(--signal);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid rgba(139, 165, 110, 0.24);
  border-radius: 0.5rem;
  background: rgba(24, 33, 25, 0.9);
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
}

.surface-grid {
  position: relative;
}

.surface-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 165, 110, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 165, 110, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 92%);
  pointer-events: none;
}

.hero-band,
.section-band {
  padding: 4.5rem 0;
}

.section-dark {
  background: rgba(24, 33, 25, 0.44);
  border-block: 1px solid rgba(139, 165, 110, 0.12);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 2.25rem;
  align-items: center;
}

.hero-grid-single {
  grid-template-columns: minmax(0, 1fr);
}

.hero-copy,
.section-heading {
  position: relative;
  z-index: 1;
}

.eyebrow-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.eyebrow,
.signal-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.age-pill,
.platform-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(214, 243, 106, 0.3);
  border-radius: 999px;
  background: rgba(214, 243, 106, 0.08);
  color: var(--ink);
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  max-width: 14ch;
  font-size: clamp(2.8rem, 4vw, 5rem);
  line-height: 0.96;
}

h2 {
  max-width: 20ch;
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 1.02;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.15;
}

.hero-dek,
.section-heading p,
.signal-card p,
.feature-card p,
.zone-item p,
.teaser-item p,
.platform-card p,
.footer-copy,
.faq-item p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-dek {
  max-width: 58ch;
  margin-top: 1.15rem;
  font-size: 1.05rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.15rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  background: var(--signal);
  color: var(--bg);
}

.button-secondary {
  background: rgba(24, 33, 25, 0.9);
  border-color: rgba(139, 165, 110, 0.28);
  color: var(--ink);
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  margin-top: 1.85rem;
  list-style: none;
}

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

.hero-frame,
.signal-card,
.feature-card,
.zone-item,
.teaser-item,
.platform-card,
.faq-item {
  border: 1px solid rgba(139, 165, 110, 0.16);
  border-radius: 0.5rem;
  background: rgba(24, 33, 25, 0.84);
  box-shadow: var(--shadow);
}

.hero-frame {
  overflow: hidden;
}

.hero-frame-head,
.hero-frame-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.inline-heading {
  margin-bottom: 0;
}

.signal-grid,
.feature-grid,
.teaser-grid,
.download-grid {
  display: grid;
  gap: 1rem;
}

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

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

.signal-card,
.platform-card {
  padding: 1.3rem;
}

.signal-card h3,
.zone-item h3,
.teaser-item h3,
.platform-card h3 {
  margin-top: 0.4rem;
  margin-bottom: 0.75rem;
}

.feature-card {
  overflow: hidden;
}

.feature-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-card h3,
.feature-card p {
  padding-inline: 1.25rem;
}

.feature-card h3 {
  padding-top: 1.15rem;
  padding-bottom: 0.65rem;
}

.feature-card p {
  padding-bottom: 1.3rem;
}

.showcase-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 1.5rem;
  align-items: start;
}

.showcase-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  gap: 1rem;
}

.showcase-panel {
  margin: 0;
  border: 1px solid rgba(139, 165, 110, 0.16);
  border-radius: 0.5rem;
  overflow: hidden;
  background: rgba(24, 33, 25, 0.84);
}

.showcase-panel img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.zone-list {
  display: grid;
  gap: 1rem;
}

.zone-item,
.teaser-item {
  padding: 1.15rem;
}

.faq-teaser {
  display: grid;
  gap: 1.5rem;
}

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

.faq-layout {
  display: grid;
  gap: 1rem;
}

.faq-item {
  padding: 1rem 1.1rem;
}

.faq-item summary {
  cursor: pointer;
  font-size: 1.12rem;
  font-weight: 700;
  list-style: none;
}

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

.faq-item p {
  margin-top: 0.9rem;
}

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

.platform-top {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.platform-icon {
  width: 2.9rem;
  height: 2.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: rgba(214, 243, 106, 0.08);
  border: 1px solid rgba(214, 243, 106, 0.2);
  color: var(--signal);
  font-size: 1.3rem;
  flex: 0 0 auto;
}

.meta-list {
  display: grid;
  gap: 0.5rem;
  padding-left: 1.1rem;
  margin-block: 1rem 1.3rem;
  color: var(--muted);
}

.site-footer {
  padding: 2rem 0 2.75rem;
  border-top: 1px solid rgba(139, 165, 110, 0.12);
  background: rgba(9, 12, 9, 0.84);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem 1.4rem;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .signal-grid,
  .feature-grid,
  .teaser-grid,
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .showcase-grid,
  .showcase-stack {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 820px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0.9rem;
    padding: 1rem;
    border: 1px solid rgba(139, 165, 110, 0.16);
    border-radius: 0.5rem;
    background: rgba(16, 21, 15, 0.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .hero-band,
  .section-band {
    padding: 3.5rem 0;
  }

  h1 {
    font-size: 2.5rem;
    max-width: 15ch;
  }

  h2 {
    font-size: 2rem;
    max-width: 18ch;
  }

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

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 1.2rem, 1160px);
  }

  .brand-wordmark {
    width: min(13rem, 48vw);
  }

  .signal-grid,
  .feature-grid,
  .teaser-grid,
  .download-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-frame-head,
  .hero-frame-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .button {
    width: 100%;
  }
}