:root {
  --landing-bg: #020617;
  --landing-panel: #0f172a;
  --landing-panel-soft: #111c31;
  --landing-line: rgba(148, 163, 184, 0.18);
  --landing-text: #f8fafc;
  --landing-muted: #94a3b8;
  --landing-accent: #34d399;
  --landing-accent-strong: #10b981;
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--landing-bg);
  color: var(--landing-text);
  margin: 0;
}

a {
  color: inherit;
}

.landing-nav {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(2, 6, 23, 0.82);
  border-bottom: 1px solid var(--landing-line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  padding: 14px clamp(18px, 5vw, 72px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}

.landing-brand,
.landing-footer > a {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--landing-accent), var(--landing-accent-strong));
  border-radius: 10px;
  color: #020617;
  display: inline-flex;
  font-weight: 900;
  height: 40px;
  justify-content: center;
  width: 40px;
}

.landing-brand strong {
  display: block;
  font-size: 1.25rem;
  letter-spacing: 0;
}

.landing-brand strong span {
  color: var(--landing-accent);
}

.landing-brand small {
  color: var(--landing-muted);
  display: block;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.landing-nav nav,
.landing-footer nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.landing-nav nav a,
.landing-footer nav a {
  color: #cbd5e1;
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-actions,
.hero-actions,
.bottom-cta div {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.button {
  align-items: center;
  border-radius: 12px;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 800;
  justify-content: center;
  min-height: 42px;
  padding: 11px 18px;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

.button.primary {
  background: var(--landing-accent);
  color: #020617;
  box-shadow: 0 18px 44px rgba(16, 185, 129, 0.22);
}

.button.primary:hover {
  background: #6ee7b7;
}

.button.ghost {
  background: rgba(15, 23, 42, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.28);
  color: #f8fafc;
}

.button.ghost:hover {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(148, 163, 184, 0.46);
}

.button.large {
  min-height: 54px;
  padding: 15px 26px;
}

.hero {
  background:
    radial-gradient(circle at 50% 12%, rgba(16, 185, 129, 0.18), transparent 34rem),
    linear-gradient(180deg, #020617 0%, #0f172a 55%, #020617 100%);
  border-bottom: 1px solid var(--landing-line);
  overflow: hidden;
  padding: 86px 20px 72px;
  position: relative;
}

.grid-glow {
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.12) 1px, transparent 1px);
  background-size: 4rem 4rem;
  inset: 0;
  mask-image: radial-gradient(ellipse 62% 46% at 50% 0%, #000 62%, transparent 100%);
  opacity: 0.35;
  position: absolute;
}

.hero-inner {
  margin: 0 auto;
  max-width: 980px;
  position: relative;
  text-align: center;
}

.tag {
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 999px;
  color: var(--landing-accent);
  display: inline-flex;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 30px;
  padding: 8px 14px;
  text-transform: uppercase;
}

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

.hero h1 {
  font-size: clamp(3rem, 8vw, 6.8rem);
  letter-spacing: 0;
  line-height: 1.04;
  margin-bottom: 26px;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--landing-accent), #5eead4, var(--landing-accent-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  color: #cbd5e1;
  font-size: clamp(1.1rem, 2.6vw, 1.55rem);
  line-height: 1.6;
  margin: 0 auto 14px;
  max-width: 780px;
}

.hero-copy {
  color: var(--landing-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0 auto 34px;
  max-width: 680px;
}

.consultant-callout {
  border-top: 1px solid var(--landing-line);
  color: var(--landing-muted);
  display: inline-block;
  margin: 34px 0 0;
  padding-top: 24px;
}

.consultant-callout a {
  color: var(--landing-accent);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.pillars {
  border-top: 1px solid var(--landing-line);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 54px;
  padding-top: 36px;
  text-align: left;
}

.pillars article,
.feature-list article,
.process-grid article,
.audience-grid article,
.standard-card,
details {
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid var(--landing-line);
  border-radius: 18px;
}

.pillars article {
  padding: 20px;
}

.pillars strong,
.feature-list strong,
.process-grid strong {
  display: block;
  margin-bottom: 8px;
}

.pillars span,
.feature-list span,
.process-grid p,
.audience-grid p,
.audience-grid li,
.privacy-section p,
.faq-section p,
.section-heading p,
.split-section p,
.bottom-cta p {
  color: var(--landing-muted);
  line-height: 1.65;
}

.standards-section,
.split-section,
.process-section,
.audience-grid,
.privacy-section,
.faq-section,
.bottom-cta {
  margin: 0 auto;
  max-width: 1180px;
  padding: 76px clamp(20px, 5vw, 58px);
}

.section-heading {
  margin: 0 auto 28px;
  max-width: 740px;
  text-align: center;
}

h2 {
  font-size: clamp(2rem, 4.8vw, 3.9rem);
  letter-spacing: 0;
  line-height: 1.05;
  margin-bottom: 14px;
}

.standards-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.standard-card {
  min-height: 116px;
  padding: 18px;
  text-decoration: none;
}

.standard-card strong {
  color: var(--landing-accent);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-bottom: 8px;
}

.standard-card span {
  color: #cbd5e1;
  font-size: 0.9rem;
}

.split-section {
  align-items: center;
  display: grid;
  gap: 38px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.feature-list,
.process-grid {
  display: grid;
  gap: 16px;
}

.feature-list article,
.process-grid article {
  padding: 22px;
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 30px;
}

.process-grid article span {
  color: var(--landing-accent);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 900;
  margin-bottom: 18px;
}

.audience-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audience-grid article {
  padding: clamp(24px, 4vw, 38px);
}

.audience-grid ul {
  padding-left: 20px;
}

.audience-grid .button {
  margin-top: 12px;
}

.privacy-section,
.bottom-cta {
  text-align: center;
}

.privacy-section {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.13), rgba(15, 23, 42, 0.76));
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: 24px;
  margin-bottom: 24px;
}

.privacy-section p,
.bottom-cta p {
  margin-left: auto;
  margin-right: auto;
  max-width: 760px;
}

.faq-section {
  display: grid;
  gap: 14px;
}

details {
  padding: 20px 22px;
}

summary {
  cursor: pointer;
  font-weight: 850;
}

details p {
  margin: 12px 0 0;
}

.faq-section .button {
  justify-self: center;
  margin-top: 18px;
}

.bottom-cta {
  border-top: 1px solid var(--landing-line);
}

.landing-footer {
  align-items: center;
  border-top: 1px solid var(--landing-line);
  display: flex;
  justify-content: space-between;
  padding: 28px clamp(18px, 5vw, 72px);
}

@media (max-width: 1020px) {
  .landing-nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 760px) {
  .landing-nav nav,
  .nav-actions {
    display: none;
  }

  .hero {
    padding-top: 66px;
  }

  .pillars,
  .split-section,
  .audience-grid,
  .standards-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .bottom-cta div {
    align-items: stretch;
    flex-direction: column;
  }

  .button.large,
  .hero-actions .button,
  .bottom-cta .button {
    width: 100%;
  }

  .landing-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
}