:root {
  --brand: #5b5bd6;
  --brand-deep: #4545b5;
  --ink: #141419;
  --ink-soft: #3a3a45;
  --muted: #6b6b78;
  --paper: #f4f4f7;
  --paper-2: #eaeaef;
  --white: #fbfbfd;
  --line: rgba(20, 20, 25, 0.1);
  --radius: 16px;
  --shadow: 0 24px 60px rgba(20, 20, 25, 0.12);
  --max: 1120px;
  --font: "Satoshi", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(91, 91, 214, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(91, 91, 214, 0.08), transparent 50%),
    var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: 0.035;
  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='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.25rem;
  max-width: calc(var(--max) + 4rem);
  margin: 0 auto;
  backdrop-filter: blur(14px);
  background: rgba(244, 244, 247, 0.78);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 8px;
}

.nav-links {
  display: none;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-deep);
}

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

.btn-ghost:hover {
  border-color: rgba(91, 91, 214, 0.45);
  color: var(--brand-deep);
}

.hero {
  min-height: 100dvh;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.hero-sub {
  margin: 1.1rem 0 0;
  max-width: 36ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-visual {
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #1a1a22;
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.strip p {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem 1.25rem;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.section-head h2,
.cta-card h2,
.flow-copy h3,
.feature h3 {
  margin: 0;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.section-head p {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
}

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

.feature {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 251, 253, 0.75);
}

.feature-lg {
  background: linear-gradient(160deg, rgba(91, 91, 214, 0.1), rgba(251, 251, 253, 0.9));
}

.feature h3 {
  font-size: 1.25rem;
}

.feature p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
}

.feature ul {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature li {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(91, 91, 214, 0.1);
  color: var(--brand-deep);
  font-size: 0.85rem;
  font-weight: 500;
}

.flow-row {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
}

.flow-copy p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  max-width: 42ch;
}

.flow-panel {
  display: grid;
  gap: 0.55rem;
  padding: 1.1rem;
  border-radius: 12px;
  background: #17171d;
  color: #d7d7e2;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
}

.flow-panel-soft {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 600;
}

.flow-panel-soft span {
  display: grid;
  place-items: center;
  min-height: 72px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--line);
}

.platform {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.platform-visual {
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #1a1a22;
}

.platform-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.platform-copy h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.platform-copy > p {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  max-width: 40ch;
}

.stat-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.stat-grid div {
  padding: 1rem;
  border-radius: 12px;
  background: rgba(251, 251, 253, 0.85);
  border: 1px solid var(--line);
}

.stat-grid strong {
  display: block;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.stat-grid span {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.step-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  counter-reset: step;
}

.step-rail li {
  counter-increment: step;
  position: relative;
  padding: 1.25rem 1.25rem 1.25rem 4rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
}

.step-rail li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1.1rem;
  top: 1.3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--brand);
  letter-spacing: -0.03em;
}

.step-rail strong {
  display: block;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.step-rail p {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
}

.connect {
  padding-top: 1rem;
}

.connect-head {
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.connect-head h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.3rem);
  letter-spacing: -0.03em;
}

.connect-head p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
}

.connect-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.connect-tags span {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(251, 251, 253, 0.8);
  font-weight: 600;
  font-size: 0.92rem;
}

.quotes {
  padding-top: 2rem;
}

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

.quote {
  margin: 0;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: #17171d;
  color: #ececf3;
}

.quote blockquote {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.quote figcaption {
  margin-top: 1rem;
  color: rgba(236, 236, 243, 0.65);
  font-size: 0.9rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 0 1.15rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--brand);
  font-weight: 700;
}

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

.faq-item p {
  margin: 0 0 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.2rem;
}

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

.cta {
  padding-top: 2rem;
}

.cta-card {
  padding: 2.5rem 1.5rem;
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(145deg, #4f4fc9, #6a6ae0);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-card p {
  margin: 0.8rem auto 1.5rem;
  max-width: 34ch;
  color: rgba(255, 255, 255, 0.88);
}

.cta-card .btn-primary {
  background: #fff;
  color: var(--brand-deep);
}

.cta-card .btn-primary:hover {
  background: #f0f0ff;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.footer-brand img {
  border-radius: 6px;
}

.footer-copy {
  margin-top: 1.25rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .btn {
    transition: none;
  }
}

@media (min-width: 768px) {
  .nav-links,
  .nav-cta {
    display: flex;
  }

  .hero {
    grid-template-columns: 1.05fr 1fr;
    gap: 3rem;
    padding-top: 5rem;
  }

  .feature-grid {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto;
  }

  .feature-lg {
    grid-row: span 2;
  }

  .flow-row {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    padding: 2rem;
  }

  .flow-row-flip .flow-copy {
    order: 2;
  }

  .cta-card {
    padding: 3.5rem 2rem;
  }

  .platform {
    grid-template-columns: 1.15fr 1fr;
    gap: 2.5rem;
  }

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

  .quote-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .nav,
  .hero,
  .section,
  .footer,
  .strip p {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}