:root {
  --bg: #0a0c10;
  --bg-elevated: #12151c;
  --text: #e8eaef;
  --muted: #949aab;
  --accent: #5eead4;
  --accent-dim: rgba(94, 234, 212, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --font: "DM Sans", system-ui, sans-serif;
  --max: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

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

  .nav,
  .nav-backdrop {
    transition: none;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 15;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% -10%, black 40%, transparent 70%);
  pointer-events: none;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

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

.nav-cta {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent) !important;
  border: 1px solid rgba(94, 234, 212, 0.35);
}

.nav-cta:hover {
  background: rgba(94, 234, 212, 0.22);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 1px;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(94, 234, 212, 0.25);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.lede {
  margin: 0 0 2rem;
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  color: #04120f;
  background: var(--accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

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

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-stats strong {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.section h2 {
  margin: 0 0 2rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.features .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.card {
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

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

.how {
  padding-top: 2rem;
}

.how-inner {
  padding: 2.5rem;
  background: linear-gradient(145deg, rgba(94, 234, 212, 0.06), transparent 55%);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
}

.how-inner h2 {
  margin-bottom: 1.75rem;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.5rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 10px;
  border: 1px solid rgba(94, 234, 212, 0.3);
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

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

.cta {
  padding-bottom: 4rem;
}

.cta-card {
  padding: 2.5rem;
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
}

.cta-card h2 {
  margin-bottom: 0.5rem;
}

.cta-card > p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.signup {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 420px;
  margin: 0 auto 1rem;
}

.signup input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 0.75rem 1rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.signup input::placeholder {
  color: var(--muted);
}

.signup input:focus {
  outline: none;
  border-color: rgba(94, 234, 212, 0.5);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-status {
  min-height: 1.35rem;
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
}

.form-status:empty {
  display: none;
}

.fineprint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

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

.site-footer a:hover {
  color: var(--accent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 20;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(280px, 85vw);
    height: 100vh;
    margin: 0;
    padding: 4.5rem 1.25rem 1.5rem;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.2s ease;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
  }

  body.nav-open {
    overflow: hidden;
  }

  .how-inner {
    padding: 1.5rem;
  }
}