:root {
  --bg: #0d1117;
  --bg-soft: #151b24;
  --accent: #48f3c4;
  --text: #f5f5f5;
  --muted: #95a3b8;
  --border: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.12);
  --gradient: radial-gradient(circle at top left, #3affda, #2756ff);
  font-size: 16px;
}

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

body {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.hero {
  padding: 2rem clamp(1.5rem, 4vw, 5rem) 4rem;
  background-image: var(--gradient);
  border-bottom-left-radius: 48px;
  border-bottom-right-radius: 48px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--text);
  color: #0f172a;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  opacity: 0.95;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.hero-metrics {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-metrics span {
  font-size: 2rem;
  font-weight: 700;
}

.hero-card {
  background: rgba(12, 18, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  padding: 2rem;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.35);
}

.hero-card ul {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.hero-card li::before {
  content: "•";
  color: var(--accent);
  margin-right: 0.5rem;
}

section {
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 5rem);
}

.proof {
  text-align: center;
  background: #0b1018;
}

.proof-bar {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  font-weight: 600;
  color: var(--muted);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.features, .process, .pricing, .testimonials, .faq {
  background: var(--bg);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature-grid article {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 1.75rem;
  min-height: 230px;
}

.process-flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.process-flow li {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.75rem;
}

.process-flow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(72, 243, 196, 0.15);
  color: var(--accent);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-weight: 600;
  margin-bottom: 1rem;
}

.pricing {
  background: #0b1018;
  border-radius: 40px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.plan {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 30px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.plan-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--muted);
}

.plan ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.plan ul li::before {
  content: "✔";
  color: var(--accent);
  margin-right: 0.5rem;
}

.plan--featured {
  border: 1px solid var(--accent);
  background: linear-gradient(145deg, rgba(72, 243, 196, 0.08), rgba(39, 86, 255, 0.12));
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.testimonial-grid article {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 1.75rem;
}

.role {
  color: var(--muted);
  font-size: 0.9rem;
}

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

.faq-grid article {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.5rem;
}

.cta {
  background: var(--bg-soft);
}

.cta-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  background: #0e1520;
  border: 1px solid var(--card-border);
  padding: 2.5rem;
  border-radius: 32px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cta-form input,
.cta-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  color: var(--text);
  font-family: inherit;
}

footer {
  padding: 2rem clamp(1.5rem, 4vw, 5rem);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.small {
  font-size: 0.85rem;
  color: var(--muted);
}

.center {
  text-align: center;
}

@media (max-width: 640px) {
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-metrics {
    flex-direction: column;
  }
}