:root {
  --bg: #08090c;
  --surface: #121409;
  --surface-low: #111318;
  --surface-card: rgba(255, 255, 255, .045);
  --text: #f8fafc;
  --text-soft: #e3e4d1;
  --muted: #c5c9ae;
  --muted-dark: #8f937a;
  --accent: #d7ff3f;
  --accent-dark: #afd500;
  --border: rgba(255,255,255,.10);
  --border-strong: rgba(215,255,63,.35);
  --focus: #d7ff3f;
  --shadow: 0 22px 60px rgba(0,0,0,.34);
  --space-xs: .5rem;
  --space-sm: .75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --space-2xl: 3.5rem;
  --space-3xl: 5rem;
  --container: 1280px;
  --text-col: 780px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-soft);
  background: var(--bg);
}
a { color: inherit; }
p { margin: 0; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 {
  font-family: "Space Grotesk", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  max-width: 920px;
  color: var(--text);
  font-size: clamp(3.25rem, 16vw, 5.25rem);
  line-height: .94;
  letter-spacing: -.055em;
}
h1 span {
  color: var(--accent);
  display: block;
}
h2 {
  margin: 0 0 var(--space-md);
  max-width: var(--text-col);
  color: var(--text);
  font-size: clamp(2.1rem, 9vw, 3.3rem);
  line-height: 1;
  letter-spacing: -.04em;
}
h3 {
  margin: 0 0 var(--space-xs);
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: min(100%, var(--container));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: .85rem var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: rgba(8, 9, 12, .82);
  backdrop-filter: blur(18px);
}
.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 950;
  letter-spacing: -.045em;
  text-transform: uppercase;
}
nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--muted);
  font-size: .92rem;
}
nav a {
  text-decoration: none;
  font-weight: 750;
}
nav a:hover { color: var(--accent); }
.nav-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .72rem 1rem;
  background: var(--accent);
  color: var(--bg);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .78rem;
  font-weight: 950;
}
.nav-cta:hover { color: var(--bg); background: #fff; }

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-inner,
.section,
.final-cta {
  width: min(100%, var(--container));
  margin: 0 auto;
}
.hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100svh - 72px);
  display: grid;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-2xl) var(--space-lg);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}
.hero-glow {
  position: absolute;
  right: -18rem;
  top: -14rem;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215,255,63,.18), transparent 64%);
  filter: blur(24px);
}
.eyebrow {
  margin: 0 0 var(--space-sm);
  color: var(--accent);
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.lead {
  margin-top: var(--space-lg);
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.05rem, 4vw, 1.22rem);
}
.microcopy {
  margin-top: var(--space-sm);
  color: var(--muted-dark);
  font-size: .9rem;
}
.cta-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.cta-row.centered {
  justify-content: center;
}
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .95rem 1.2rem;
  border: 1px solid var(--text);
  border-radius: 0;
  text-decoration: none;
  font-size: .95rem;
  font-weight: 950;
  line-height: 1.2;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 26px rgba(215,255,63,.22);
}
.primary:hover {
  border-color: #fff;
  background: #fff;
}
.secondary {
  border-color: rgba(255,255,255,.72);
  background: transparent;
  color: var(--text);
}
.secondary:hover {
  border-color: var(--accent);
  background: rgba(215,255,63,.08);
  color: var(--accent);
}
.compact {
  width: 100%;
}
.hero-card {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
  padding: var(--space-lg);
}
.domain-row {
  display: grid;
  gap: .25rem;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}
.domain-row span {
  color: var(--muted-dark);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.domain-row strong {
  color: var(--accent);
  font-size: clamp(2rem, 9vw, 3.25rem);
  line-height: .95;
  letter-spacing: -.05em;
}
.tag-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}
.tag-stack span,
.chips span {
  border: 1px solid var(--border);
  background: var(--surface-low);
  color: var(--muted);
  padding: .55rem .65rem;
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.tag-stack span:nth-child(1),
.chips span:nth-child(2) {
  border-color: var(--border-strong);
  color: var(--accent);
}

.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(215,255,63,.055);
}
.marquee-track {
  width: max-content;
  display: flex;
  animation: marquee 18s linear infinite;
  will-change: transform;
}
.marquee-set {
  flex: 0 0 auto;
  display: flex;
  gap: 1.5rem;
  min-width: 100vw;
  justify-content: space-around;
  padding: 1rem .75rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .16em;
  text-transform: uppercase;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.section {
  padding: var(--space-2xl) var(--space-lg);
  border-bottom: 1px solid var(--border);
}
.section-heading {
  max-width: var(--text-col);
  margin-bottom: var(--space-xl);
}
.section-heading.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-heading p,
.section-copy,
.safe p {
  color: var(--muted);
}
.benefit-grid,
.use-cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
.card,
.use-cases article,
details,
.safe-box {
  border: 1px solid var(--border);
  background: var(--surface-card);
}
.card,
.use-cases article {
  min-height: 100%;
  padding: var(--space-lg);
  transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
}
.card:hover,
.use-cases article:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: rgba(255,255,255,.065);
}
.card-icon {
  display: inline-flex;
  margin-bottom: var(--space-md);
  color: var(--accent);
  font-size: .85rem;
  font-weight: 950;
  letter-spacing: .12em;
}
.card p,
.use-cases p,
details p {
  color: var(--muted);
}
.split {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}
.brand-strip {
  background: linear-gradient(90deg, rgba(215,255,63,.055), transparent);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.safe-box {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(215,255,63,.08), rgba(255,255,255,.035));
}
.faq {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-sm);
}
details {
  overflow: hidden;
}
details > summary {
  list-style: none;
}
details > summary::-webkit-details-marker {
  display: none;
}
summary {
  cursor: pointer;
  padding: 1.05rem 1.15rem;
  color: var(--text);
  font-weight: 850;
  line-height: 1.35;
}
summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}
details[open] summary::after {
  content: "−";
}
details p {
  padding: 0 1.15rem 1.15rem;
}
.final-cta {
  position: relative;
  overflow: hidden;
  padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
  text-align: center;
}
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(215,255,63,.16), transparent 50%);
  pointer-events: none;
}
.final-cta > * {
  position: relative;
}
.final-cta h2 {
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
    padding: .75rem var(--space-md);
  }
  .brand {
    font-size: 1.05rem;
  }
  nav a:not(.nav-cta) {
    display: none;
  }
  .nav-cta {
    min-height: 40px;
    padding-inline: .75rem;
    font-size: .72rem;
  }
  .hero-inner,
  .section,
  .final-cta {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  .hero-inner {
    min-height: auto;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-2xl);
  }
  .button,
  .cta-row {
    width: 100%;
  }
}

@media (min-width: 641px) {
  .cta-row {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 901px) {
  body { font-size: 17px; }
  h1 { font-size: clamp(5.4rem, 8vw, 7.4rem); }
  h2 { font-size: clamp(3rem, 4.5vw, 4rem); }
  .hero-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
    gap: var(--space-2xl);
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
  .benefit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .split {
    grid-template-columns: minmax(0, .85fr) minmax(460px, 1.15fr);
  }
  .use-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .safe-box {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1200px) {
  .section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}