:root {
  --ink: #071018;
  --ink-soft: #0e1a24;
  --paper: #e8f0f2;
  --muted: #8aa0ab;
  --line: rgba(232, 240, 242, 0.12);
  --signal: #3dffa8;
  --signal-dim: #1f8f62;
  --warn: #ffb454;
  --max: 1120px;
  --font-display: "Syne", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #9fffd1;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--signal);
  color: var(--ink);
  padding: 0.5rem 0.75rem;
}

/* Atmosphere */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 15% 10%, rgba(61, 255, 168, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 20%, rgba(56, 140, 255, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(61, 255, 168, 0.06), transparent 60%),
    linear-gradient(180deg, #071018 0%, #0a1520 45%, #071018 100%);
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(232, 240, 242, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 240, 242, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 16, 24, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.95rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand-mark .dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 16px rgba(61, 255, 168, 0.7);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--paper);
}

/* Layout helpers */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal-dim);
  margin: 0 0 0.85rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
}

.section .lead {
  max-width: 38rem;
  color: var(--muted);
  margin: 0 0 2rem;
}

/* Hero — one composition */
.hero {
  min-height: calc(100vh - 4rem);
  display: grid;
  align-items: end;
  padding: 2.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 40%, rgba(61, 255, 168, 0.05) 70%, transparent 90%),
    radial-gradient(circle at 78% 42%, rgba(61, 255, 168, 0.18), transparent 28%);
  animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.75; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.03); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.2rem, 16vw, 9.5rem);
  line-height: 0.88;
  letter-spacing: -0.07em;
  margin: 0 0 1.5rem;
  color: var(--paper);
  text-wrap: balance;
}

.hero-brand span {
  color: var(--signal);
}

.hero-line {
  max-width: 28rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--muted);
  margin: 0 0 2rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--signal);
  color: var(--ink);
}

.btn-primary:hover {
  background: #9fffd1;
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: rgba(61, 255, 168, 0.45);
  color: var(--signal);
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: rise 0.9s var(--ease) forwards;
}

.reveal-delay-1 { animation-delay: 0.12s; }
.reveal-delay-2 { animation-delay: 0.24s; }
.reveal-delay-3 { animation-delay: 0.36s; }
.reveal-delay-4 { animation-delay: 0.48s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-plane {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}

/* Product strip */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.product-item {
  background: rgba(14, 26, 36, 0.9);
  padding: 1.75rem 1.5rem;
  min-height: 11rem;
}

.product-item h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.6rem;
}

.product-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 800px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.product-grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 800px) {
  .product-grid-4 {
    grid-template-columns: 1fr;
  }
}

.section-alt {
  background: rgba(14, 26, 36, 0.45);
  border-block: 1px solid var(--line);
}

/* How it works */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.4rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(7, 16, 24, 0.55);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.step:hover {
  border-color: rgba(61, 255, 168, 0.35);
  transform: translateX(4px);
}

.step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--signal);
  line-height: 1;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.4rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.step code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.86em;
  color: var(--signal);
}

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.audience-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  background:
    linear-gradient(165deg, rgba(61, 255, 168, 0.05), transparent 45%),
    rgba(14, 26, 36, 0.8);
  min-height: 12rem;
}

.audience-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.55rem;
}

.audience-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

/* Platforms */
.platform-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.platform-chip {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.2rem 1.15rem;
  background: rgba(7, 16, 24, 0.65);
  display: grid;
  gap: 0.35rem;
}

.platform-chip strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

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

.platform-chip.is-live {
  border-color: rgba(61, 255, 168, 0.4);
  box-shadow: inset 0 0 0 1px rgba(61, 255, 168, 0.08);
}

.platform-chip.is-live strong::after {
  content: " · Live";
  color: var(--signal);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

@media (max-width: 800px) {
  .platform-row {
    grid-template-columns: 1fr;
  }
}

/* Trust */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.trust-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem;
  background: rgba(14, 26, 36, 0.85);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.trust-card:hover {
  border-color: rgba(61, 255, 168, 0.4);
  transform: translateY(-3px);
  color: inherit;
}

.trust-kicker {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-dim);
  margin-bottom: 0.55rem;
}

.trust-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.45rem;
  color: var(--paper);
}

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

.trust-card code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.86em;
  color: var(--signal);
}

.trust-points {
  margin: 0;
  padding: 1.2rem 1.2rem 1.2rem 2rem;
  border: 1px dashed rgba(61, 255, 168, 0.28);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(61, 255, 168, 0.03);
}

.trust-points li + li {
  margin-top: 0.45rem;
}

@media (max-width: 900px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* Closing CTA */
.cta-band {
  padding: 0 0 5rem;
}

.cta-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  background:
    radial-gradient(circle at 90% 20%, rgba(61, 255, 168, 0.14), transparent 35%),
    rgba(14, 26, 36, 0.9);
}

.cta-band-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.04em;
  margin: 0 0 0.4rem;
}

.cta-band-inner p {
  margin: 0;
  color: var(--muted);
  max-width: 28rem;
}

/* Scroll reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* About band */
.about-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.about-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.75rem;
  background: linear-gradient(160deg, rgba(61, 255, 168, 0.06), transparent 55%);
}

.about-panel dl {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.about-panel dt {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-dim);
}

.about-panel dd {
  margin: 0.25rem 0 0;
  font-size: 1.05rem;
}

@media (max-width: 800px) {
  .about-band {
    grid-template-columns: 1fr;
  }
}

/* Legal pages */
.page-hero {
  padding: 4rem 0 2rem;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0 0 0.75rem;
}

.page-hero p {
  color: var(--muted);
  margin: 0;
}

.prose {
  max-width: 46rem;
  padding-bottom: 5rem;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin: 2.25rem 0 0.75rem;
}

.prose p,
.prose li {
  color: rgba(232, 240, 242, 0.82);
}

.prose ul {
  padding-left: 1.2rem;
}

.prose code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.88em;
  background: rgba(61, 255, 168, 0.08);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* Contact */
.contact-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2rem;
  background: rgba(14, 26, 36, 0.85);
  max-width: 34rem;
}

.contact-card p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.contact-card a.big {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--signal);
}