:root {
  --bg: #f7f8f4;
  --surface: #ffffff;
  --surface-strong: #ecf2ea;
  --text: #111827;
  --text-muted: #4b5563;
  --border: #d1d5db;
  --accent: #0e9f6e;
  --accent-strong: #0a7f58;
  --secondary: #1d4ed8;
  --shadow: 0 12px 36px rgba(17, 24, 39, 0.1);
  --radius-lg: 22px;
  --radius-md: 14px;
  --space: clamp(1rem, 2vw, 1.4rem);
  --container: min(1120px, calc(100% - 2.5rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 6% 2%, rgba(14, 159, 110, 0.12), transparent 23%),
    radial-gradient(circle at 95% 8%, rgba(29, 78, 216, 0.11), transparent 25%),
    var(--bg);
  line-height: 1.55;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 4.8vw, 3.7rem);
}

h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
}

h3 {
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
}

p {
  margin: 0;
}

a {
  color: var(--secondary);
  text-decoration-thickness: 1.5px;
}

a:hover {
  color: #143fb4;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(247, 248, 244, 0.86);
  border-bottom: 1px solid rgba(209, 213, 219, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--accent), var(--secondary));
  box-shadow: 0 0 0 4px rgba(14, 159, 110, 0.14);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.97rem;
}

.site-nav a:hover {
  color: var(--secondary);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  padding: 0.48rem 0.85rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
}

.hero {
  padding: clamp(3.2rem, 7vw, 5.8rem) 0 2.3rem;
  scroll-margin-top: 92px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(1.25rem, 3.5vw, 2.8rem);
  align-items: start;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--accent-strong);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.lead {
  margin-top: 1.15rem;
  color: var(--text-muted);
  font-size: clamp(1.03rem, 1.9vw, 1.22rem);
  max-width: 60ch;
}

.cta-row {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.72rem 1.16rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

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

.btn-primary {
  background: linear-gradient(140deg, var(--accent), #0a7f58);
  color: #fff;
  box-shadow: 0 10px 20px rgba(14, 159, 110, 0.25);
}

.btn-primary:hover {
  color: #fff;
  box-shadow: 0 12px 24px rgba(14, 159, 110, 0.3);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
}

.meta-note {
  margin-top: 1rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.hero-panel {
  background: linear-gradient(160deg, #ffffff, #f2f6f1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  font-size: 1.08rem;
  margin-bottom: 0.85rem;
}

.hero-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.66rem;
}

.hero-panel li {
  border-bottom: 1px dashed rgba(209, 213, 219, 0.9);
  padding-bottom: 0.6rem;
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  font-size: 0.95rem;
}

.hero-panel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.hero-panel span {
  color: var(--text-muted);
}

.section {
  padding: clamp(2.6rem, 5vw, 4.5rem) 0;
  scroll-margin-top: 95px;
}

.section-heading {
  max-width: 74ch;
  margin-bottom: 1.2rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

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

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

.card,
.feature-card,
.timeline-item,
.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.06);
}

.card,
.feature-card,
.timeline-item {
  padding: 1.05rem;
}

.card p,
.feature-card p,
.timeline-item p {
  margin-top: 0.6rem;
  color: var(--text-muted);
}

.card ul,
.feature-card ul {
  margin: 0.6rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.32rem;
}

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

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

.compliance-note {
  margin-top: 0.95rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.timeline {
  display: grid;
  gap: 0.85rem;
}

.timeline-date {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--accent-strong);
  letter-spacing: 0.04em;
}

.faq-list {
  display: grid;
  gap: 0.72rem;
}

.faq-list details {
  padding: 0.9rem 0.95rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
}

.faq-list details p {
  margin-top: 0.6rem;
  color: var(--text-muted);
}

.site-footer {
  padding: 2.2rem 0 2.6rem;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(236, 242, 234, 0.7), rgba(255, 255, 255, 0.88));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 1rem;
}

.site-footer h2 {
  font-size: 1.2rem;
}

.site-footer h3 {
  font-size: 1rem;
}

.site-footer p,
.site-footer li {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.site-footer ul {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
}

.mt-1 {
  margin-top: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .card-grid.three,
  .card-grid.two,
  .feature-list,
  .token-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 1.25rem;
    right: 1.25rem;
    top: 70px;
    padding: 0.8rem;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 14px;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

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

  .site-nav.always-open {
    position: static;
    display: flex;
    border: 0;
    box-shadow: none;
    padding: 0;
    background: transparent;
    flex-direction: row;
    gap: 0.9rem;
  }

  .hero {
    padding-top: 2.6rem;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}