:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-soft: #0f172ae6;
  --bg-deep: #07111f;
  --panel: rgba(15, 23, 42, 0.86);
  --line: rgba(148, 163, 184, 0.18);
  --line-strong: rgba(255, 255, 255, 0.12);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --gold: #f5c84c;
  --shadow: rgba(0, 0, 0, 0.34);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container: 1180px;
  --container-narrow: 820px;
  --header-height: 84px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --font-display: "Aptos Display", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-body: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top, rgba(34, 211, 238, 0.18), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(245, 200, 76, 0.12), transparent 18%),
    linear-gradient(180deg, #06111f 0%, #0b1020 30%, #09101e 100%);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(34, 211, 238, 0.55);
  outline-offset: 3px;
}

.site-shell {
  position: relative;
  overflow: clip;
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.32;
}

.site-shell::before {
  top: 4rem;
  right: -6rem;
  background: rgba(34, 211, 238, 0.22);
}

.site-shell::after {
  bottom: 8rem;
  left: -8rem;
  background: rgba(245, 200, 76, 0.16);
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 2rem), var(--container-narrow));
}

.section {
  padding: var(--space-7) 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.section-tight {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.section-heading {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  max-width: 46rem;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading h2,
.legal-hero h1,
.error-card h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-heading p,
.lead,
.feature-card p,
.step-card p,
.resource-card p,
.ecosystem-card p,
.faq-item p,
.footer-text,
.legal-document p,
.error-card p {
  margin: 0;
  color: var(--muted);
}

.eyebrow,
.card-kicker,
.panel-label,
.mini-badge,
.step-index {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(6, 17, 31, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, background 160ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(6, 17, 31, 0.86);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

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

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.brand-copy span {
  font-size: 0.88rem;
  color: var(--muted);
}

.site-nav,
.legal-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a:not(.button),
.legal-nav a:not(.button),
.footer-links a,
.store-links a {
  color: rgba(248, 250, 252, 0.86);
}

.site-nav a:not(.button):hover,
.legal-nav a:not(.button):hover,
.footer-links a:hover,
.store-links a:hover {
  color: var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.96rem;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, #1dd1f5, #4d7cff);
  color: #06111f;
  box-shadow: 0 16px 34px rgba(34, 211, 238, 0.18);
}

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

.button-subtle {
  background: transparent;
  border-color: rgba(245, 200, 76, 0.26);
  color: #f7d671;
}

.button.is-disabled,
.store-links a.is-disabled {
  opacity: 0.48;
  cursor: not-allowed;
  pointer-events: none;
}

.menu-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.24rem;
}

.menu-toggle span {
  width: 1rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--text);
}

.hero {
  padding-top: calc(var(--space-7) + 1rem);
}

.hero-grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.hero-copy h1 {
  margin: 0.25rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.lead {
  font-size: 1.08rem;
  max-width: 42rem;
}

.document-meta {
  margin: 1rem 0 0;
  color: #c5d3ea;
  font-size: 0.95rem;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: var(--space-4);
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.status-item {
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.16);
}

.status-item strong {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.status-item p,
.resource-note {
  margin: 0;
  color: var(--muted);
}

.resource-note {
  margin-bottom: 1rem;
  max-width: 46rem;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: var(--space-4);
}

.hero-fact {
  padding: 1rem 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.18);
}

.hero-fact strong {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.hero-fact span {
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-fact code {
  color: #d9f1ff;
}

.hero-highlights {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.hero-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(248, 250, 252, 0.9);
}

.hero-highlights li::before {
  content: "";
  flex: none;
  width: 0.72rem;
  height: 0.72rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  box-shadow: 0 0 0 0.36rem rgba(34, 211, 238, 0.1);
}

.hero-visual {
  position: relative;
  min-height: 42rem;
}

.hero-glow {
  position: absolute;
  inset: 12% 10% auto;
  height: 62%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.26), transparent 65%);
  filter: blur(14px);
}

.hero-device {
  position: relative;
  margin: 0 auto;
  width: min(100%, 34rem);
  border-radius: 2rem;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line-strong);
  box-shadow: 0 32px 70px var(--shadow);
}

.hero-device-bar {
  display: flex;
  gap: 0.4rem;
  padding: 0.2rem 0.2rem 0.9rem;
}

.hero-device-bar span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
}

.hero-device-body {
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
  min-height: 34rem;
  border-radius: 1.55rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(77, 124, 255, 0.18), transparent 35%),
    linear-gradient(180deg, rgba(11, 31, 59, 0.94), rgba(11, 16, 32, 0.98));
}

.mockup-topline,
.mini-card,
.floating-panel,
.step-card,
.feature-card,
.resource-card,
.ecosystem-card,
.trust-panel,
.error-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px var(--shadow);
}

.mockup-topline {
  border-radius: 1.1rem;
  padding: 1rem 1.1rem;
}

.mockup-topline strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.05rem;
}

.mockup-map {
  position: relative;
  min-height: 16rem;
  border-radius: 1.6rem;
  border: 1px solid rgba(34, 211, 238, 0.16);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 50% 40%, rgba(34, 211, 238, 0.18), transparent 40%),
    rgba(11, 16, 32, 0.72);
  background-size: 3rem 3rem, 3rem 3rem, auto, auto;
  overflow: hidden;
}

.mockup-map img {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 9rem;
  transform: translate(-50%, -48%);
  opacity: 0.94;
  filter: drop-shadow(0 12px 24px rgba(34, 211, 238, 0.12));
}

.map-node {
  position: absolute;
  width: 0.88rem;
  height: 0.88rem;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0.35rem rgba(245, 200, 76, 0.12);
}

.node-a {
  top: 22%;
  left: 20%;
}

.node-b {
  right: 20%;
  bottom: 24%;
  background: var(--accent);
  box-shadow: 0 0 0 0.35rem rgba(34, 211, 238, 0.12);
}

.node-c {
  left: 32%;
  bottom: 18%;
}

.mockup-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.mini-card {
  border-radius: 1.1rem;
  padding: 1rem;
}

.mini-card strong {
  display: block;
  margin: 0.4rem 0;
}

.mini-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.floating-panel {
  position: absolute;
  width: min(16rem, 46%);
  border-radius: 1.2rem;
  padding: 1rem 1.1rem;
}

.floating-panel strong {
  display: block;
  margin-top: 0.35rem;
}

.panel-left {
  left: 0;
  bottom: 12%;
}

.panel-right {
  right: 0;
  top: 14%;
}

.steps-grid,
.feature-grid,
.resource-grid,
.ecosystem-grid,
.footer-grid {
  display: grid;
  gap: 1.15rem;
}

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

.feature-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

.ecosystem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.step-card,
.feature-card,
.resource-card,
.ecosystem-card {
  border-radius: var(--radius-md);
  padding: 1.4rem;
}

.step-card h3,
.feature-card h3,
.resource-card h3,
.ecosystem-card h3,
.trust-panel h2,
.legal-document h2,
.footer-grid h2,
.faq-item summary {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.step-card h3,
.feature-card h3,
.resource-card h3,
.ecosystem-card h3 {
  font-size: 1.18rem;
  line-height: 1.2;
  margin-top: 0.55rem;
}

.featured {
  background:
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.2), transparent 40%),
    rgba(11, 31, 59, 0.82);
  border-color: rgba(34, 211, 238, 0.24);
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.trust-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: var(--space-5);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(11, 31, 59, 0.92), rgba(11, 16, 32, 0.96));
}

.trust-copy {
  display: grid;
  gap: 1rem;
}

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.03);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding-right: 2rem;
  font-size: 1.02rem;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin-top: 0.8rem;
}

.site-footer {
  padding: 2rem 0 1.4rem;
  border-top: 1px solid var(--line);
  background: rgba(3, 10, 20, 0.6);
}

.footer-grid {
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr));
  align-items: start;
}

.footer-brand {
  margin-bottom: 1rem;
}

.footer-grid h2 {
  font-size: 1rem;
  margin-bottom: 0.9rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.footer-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.legal-hero {
  padding-top: calc(var(--space-7) + 0.5rem);
  padding-bottom: var(--space-5);
}

.legal-document {
  display: grid;
  gap: 1.6rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 24px 54px var(--shadow);
}

.legal-document section {
  display: grid;
  gap: 0.7rem;
}

.legal-document h2 {
  font-size: 1.25rem;
}

.legal-document ul,
.legal-document ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  display: grid;
  gap: 0.65rem;
}

.legal-document strong {
  color: var(--text);
}

.legal-document a {
  color: var(--accent);
}

.error-main {
  min-height: calc(100vh - var(--header-height) - 7rem);
  display: grid;
  align-items: center;
}

.error-layout {
  display: grid;
  align-items: center;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.8fr);
}

.error-card {
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.error-visual {
  display: grid;
  place-items: center;
}

.error-visual img {
  width: min(100%, 20rem);
  filter: drop-shadow(0 24px 44px rgba(34, 211, 238, 0.18));
}

@media (max-width: 1120px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .resource-grid,
  .ecosystem-grid,
  .footer-grid,
  .status-strip,
  .trust-panel,
  .error-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: auto;
    padding-top: 1rem;
  }

  .floating-panel {
    position: relative;
    width: auto;
  }

  .panel-left,
  .panel-right {
    inset: auto;
    margin-top: 1rem;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(6, 17, 31, 0.96);
    box-shadow: 0 22px 44px var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .legal-nav {
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-cta {
    width: 100%;
  }

  .hero-copy h1 {
    font-size: clamp(2.45rem, 11vw, 3.8rem);
  }

  .mockup-cards,
  .hero-facts,
  .status-strip,
  .feature-grid,
  .resource-grid,
  .ecosystem-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-device-body,
  .trust-panel,
  .error-card,
  .legal-document {
    padding: 1.35rem;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 76px;
  }

  .container,
  .narrow {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .section {
    padding: 3.75rem 0;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .header-inner {
    min-height: var(--header-height);
  }

  .brand-copy span {
    display: none;
  }

  .button,
  .hero-actions .button,
  .inline-actions .button {
    width: 100%;
  }

  .hero-device {
    padding: 0.75rem;
  }

  .hero-device-body {
    min-height: auto;
  }

  .mockup-map {
    min-height: 12.5rem;
  }

  .site-footer {
    padding-top: 1.5rem;
  }
}