:root {
  --bg: #0f1416;
  --ink: #f5f4ef;
  --muted: #b2b6b3;
  --accent: #f4c95d;
  --accent-2: #76b7b2;
  --card: #171d20;
  --card-border: rgba(245, 244, 239, 0.12);
  --grid: rgba(245, 244, 239, 0.06);
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
  background-image:
    radial-gradient(circle at 10% 10%, rgba(118, 183, 178, 0.16), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(244, 201, 93, 0.12), transparent 42%),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 36px 36px, 36px 36px;
  background-position: center, center, 0 0, 0 0;
}

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 64px;
}

.logo {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.28em;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 0.9rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.pill {
  border: 1px solid var(--card-border);
  padding: 10px 18px;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  transition: border 0.2s ease, transform 0.2s ease;
}

.pill:hover,
.pill:focus {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
  margin-bottom: 96px;
}

.hero-text h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 20px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.72rem;
  color: var(--accent-2);
  margin-bottom: 18px;
}

.subhead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 28px;
}

.waitlist {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  max-width: 520px;
}

.waitlist input {
  border: 1px solid var(--card-border);
  background: rgba(23, 29, 32, 0.9);
  color: var(--ink);
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 1rem;
}

.waitlist input::placeholder {
  color: rgba(178, 182, 179, 0.7);
}

.waitlist button {
  border: none;
  background: var(--accent);
  color: #1a1a1a;
  padding: 14px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.waitlist button:hover,
.waitlist button:focus {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(244, 201, 93, 0.2);
}

.waitlist button:disabled {
  box-shadow: none;
  transform: none;
}

.helper {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  color: var(--muted);
}

.form-status {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  min-height: 1.2rem;
}

.form-status.success {
  color: var(--accent-2);
}

.form-status.error {
  color: #f28f8f;
}

.hero-card {
  border: 1px solid var(--card-border);
  background: rgba(23, 29, 32, 0.85);
  padding: 28px;
  border-radius: 18px;
  box-shadow: 0 20px 40px var(--shadow);
}

.card-header {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.card-strip {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.card-strip span {
  border: 1px solid var(--card-border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--muted);
}

.section-title {
  margin-bottom: 32px;
}

.section-title h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 10px;
}

.section-title p {
  color: var(--muted);
}

.steps {
  margin-bottom: 96px;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step-grid article {
  border: 1px solid var(--card-border);
  background: rgba(23, 29, 32, 0.65);
  padding: 22px;
  border-radius: 16px;
}

.step-grid h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.step-grid p {
  color: var(--muted);
}

.example {
  margin-bottom: 96px;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.example-input,
.example-output {
  border: 1px solid var(--card-border);
  background: rgba(23, 29, 32, 0.85);
  padding: 24px;
  border-radius: 16px;
}

.label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.example-input p {
  font-size: 1.1rem;
}

.example-output ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.example-output li {
  color: var(--muted);
}

.example-output strong {
  color: var(--ink);
  font-weight: 500;
}

.final-cta {
  margin-bottom: 72px;
}

.cta-card {
  border: 1px solid var(--card-border);
  background: rgba(23, 29, 32, 0.9);
  padding: 32px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.cta-card h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.cta-card p {
  color: var(--muted);
  max-width: 620px;
}

.site-footer {
  display: flex;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
}

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

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .step-grid,
  .example-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 24px 18px 40px;
  }

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

  .waitlist button {
    width: 100%;
  }
}