:root {
  --core-bg: #090b0d;
  --core-panel: #11151a;
  --core-panel-strong: #171c22;
  --core-text: #f7f8f2;
  --core-muted: rgba(247, 248, 242, 0.72);
  --core-soft: rgba(247, 248, 242, 0.1);
  --core-line: rgba(247, 248, 242, 0.16);
  --core-lime: #d5ff46;
  --core-green: #38d68c;
  --core-blue: #59a8ff;
  --core-orange: #ff9859;
  --core-radius: 8px;
  --core-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--core-bg);
  color: var(--core-text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body::selection {
  background: var(--core-lime);
  color: #090b0d;
}

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

img,
svg {
  max-width: 100%;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.top-strip {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 20px;
  background: var(--core-lime);
  color: #080a0c;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.top-strip p {
  margin: 0;
  font-family: "Permanent Marker", cursive;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--core-line);
  background: rgba(9, 11, 13, 0.92);
  backdrop-filter: blur(16px);
}

.header-inner,
.footer-inner {
  display: flex;
  min-height: 76px;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--core-lime);
  color: #090b0d;
}

.main-nav,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  color: var(--core-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.main-nav a:hover,
.footer-links a:hover {
  color: var(--core-lime);
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.login-link {
  color: var(--core-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.btn,
.header-cta {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--core-radius);
  padding: 12px 18px;
  font-weight: 900;
}

.btn-primary,
.header-cta {
  background: var(--core-lime);
  color: #090b0d;
}

.btn-ghost {
  border-color: var(--core-line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--core-text);
}

.btn:hover,
.header-cta:hover {
  transform: translateY(-1px);
}

.section-panel {
  position: relative;
  padding: clamp(72px, 9vw, 122px) 0;
  border-bottom: 1px solid var(--core-line);
}

.feature-hero {
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(213, 255, 70, 0.12), transparent 34%),
    linear-gradient(180deg, #101419 0%, #090b0d 100%);
}

.feature-hero-grid,
.feature-content-grid,
.final-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--core-lime);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

h1,
h2 {
  max-width: 920px;
  margin-bottom: 22px;
  font-size: clamp(3.25rem, 9vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.05;
}

.brush-script {
  color: var(--core-lime);
  font-family: "Permanent Marker", cursive;
  font-style: normal;
  font-weight: 400;
  text-transform: none;
}

.hero-lead {
  max-width: 690px;
  color: var(--core-text);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 800;
  line-height: 1.25;
}

.hero-copy {
  max-width: 680px;
  color: var(--core-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.glass-panel,
.feature-console,
.content-card,
.matter-card,
.focus-card,
.price-card {
  border: 1px solid var(--core-line);
  border-radius: var(--core-radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035));
  box-shadow: var(--core-shadow);
}

.feature-console {
  padding: 18px;
}

.window-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--core-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.window-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--core-orange);
}

.window-bar i:nth-child(2) {
  background: var(--core-lime);
}

.window-bar i:nth-child(3) {
  background: var(--core-blue);
}

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

.console-card {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--core-line);
  border-radius: var(--core-radius);
  background: rgba(0, 0, 0, 0.2);
}

.console-card.wide {
  grid-column: 1 / -1;
}

.console-card span,
.price-card span {
  display: block;
  color: var(--core-muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.console-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.55rem, 4vw, 3rem);
  line-height: 1;
}

.console-card small {
  color: var(--core-muted);
}

.feature-flow {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.feature-flow div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid var(--core-line);
  border-radius: var(--core-radius);
  background: rgba(213, 255, 70, 0.08);
  color: var(--core-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.feature-flow b {
  color: var(--core-text);
}

.feature-overview {
  background: #f4f5ef;
  color: #101318;
}

.feature-overview .eyebrow {
  color: #315e00;
}

.content-card {
  background: #fff;
  color: #101318;
  box-shadow: 0 18px 52px rgba(7, 10, 13, 0.12);
}

.content-card,
.matter-card,
.focus-card,
.price-card {
  padding: clamp(24px, 4vw, 38px);
}

.content-card p,
.content-card li,
.matter-card p,
.matter-card li {
  color: rgba(16, 19, 24, 0.76);
  font-size: 1rem;
}

.content-card ul,
.matter-card ul,
.function-grid,
.related-grid,
.price-card ul {
  padding: 0;
  list-style: none;
}

.content-card li,
.matter-card li,
.price-card li {
  position: relative;
  margin-top: 12px;
  padding-left: 30px;
}

.content-card li::before,
.matter-card li::before,
.price-card li::before {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  background: var(--core-lime);
  color: #101318;
  content: "✓";
  font-size: 0.72rem;
  font-weight: 900;
}

.matter-stack {
  display: grid;
  gap: 18px;
}

.matter-card {
  background: #101318;
  color: var(--core-text);
}

.matter-card p,
.matter-card li {
  color: var(--core-muted);
}

.focus-card {
  background: var(--core-lime);
  color: #101318;
  box-shadow: none;
}

.focus-card p {
  color: rgba(16, 19, 24, 0.78);
}

.feature-functions {
  background: #0c0f12;
}

.section-intro {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-intro p,
.final-grid p {
  color: var(--core-muted);
  font-size: 1.05rem;
}

.function-grid,
.related-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.function-card,
.related-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--core-line);
  border-radius: var(--core-radius);
  background: var(--core-panel);
}

.function-card .index {
  display: inline-grid;
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--core-lime);
  color: #101318;
  font-size: 0.8rem;
  font-weight: 900;
}

.function-card p,
.related-card p {
  color: var(--core-muted);
}

.related-card {
  min-height: auto;
}

.related-card:hover {
  border-color: rgba(213, 255, 70, 0.72);
  transform: translateY(-2px);
}

.related-card span {
  color: var(--core-lime);
  font-size: 0.82rem;
  font-weight: 900;
}

.final-cta {
  background:
    linear-gradient(135deg, rgba(213, 255, 70, 0.13), transparent 38%),
    #11151a;
}

.price-card strong {
  display: block;
  margin: 12px 0;
  color: var(--core-lime);
  font-size: clamp(3rem, 8vw, 5.6rem);
  line-height: 0.92;
}

.price-card small {
  color: var(--core-muted);
  font-size: 1rem;
}

.site-footer {
  background: #07090b;
}

.footer-inner {
  min-height: 112px;
}

.footer-inner p {
  margin: 0;
  color: var(--core-muted);
  font-size: 0.86rem;
}

@media (max-width: 920px) {
  .feature-hero-grid,
  .feature-content-grid,
  .final-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .top-strip span {
    display: none;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 16px 0;
  }

  .header-actions,
  .hero-actions,
  .btn,
  .header-cta {
    width: 100%;
  }

  .function-grid,
  .related-grid,
  .console-grid {
    grid-template-columns: 1fr;
  }

  .console-card.wide {
    grid-column: auto;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 5rem);
  }
}