:root {
  --bg: #0a0a0a;
  --bg-alt: #111111;
  --yellow: #F5C518;
  --gray: #9a9a9a;
  --gray-dark: #1f1f1f;
  --white: #f5f5f5;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .logo-text, .proof-stat, .flow-index, .btn {
  font-family: "Space Grotesk", "Inter", -apple-system, sans-serif;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.25rem; }

p { color: var(--gray); }

.section-sub {
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0.75rem auto 2.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 8px;
  padding: 0.75rem 1.6rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: var(--yellow);
  color: #0a0a0a;
}

.btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.92;
  box-shadow: 0 8px 24px rgba(245, 197, 24, 0.25);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.1rem;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-dark);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--white);
}

.logo-img {
  height: 34px;
  width: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-block {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.logo-text {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.logo-tag {
  font-size: 0.68rem;
  color: var(--gray);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-cta {
  padding: 0.55rem 1.25rem;
  font-size: 0.95rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 7rem 0 5rem;
}

.hero-sub {
  max-width: 640px;
  margin: 1.25rem auto 2.5rem;
  font-size: 1.2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.hero-headshot {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--yellow);
  transform: rotate(-8deg);
  transition: transform 0.2s ease;
}

.hero-headshot:hover {
  transform: rotate(-8deg) scale(1.08);
}

/* Proof */
.proof {
  background: var(--bg-alt);
  border-top: 1px solid var(--gray-dark);
  border-bottom: 1px solid var(--gray-dark);
  padding: 3.5rem 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.proof-stat {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--yellow);
  letter-spacing: -0.02em;
}

.proof-label {
  color: var(--gray);
  font-size: 0.95rem;
  margin-top: 0.4rem;
}

/* System flow */
.flow {
  padding: 6rem 0;
  text-align: center;
}

.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem 0.5rem;
  margin-top: 2.5rem;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-alt);
  border: 1px solid var(--gray-dark);
  border-radius: 10px;
  padding: 0.9rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.flow-node:hover {
  border-color: var(--yellow);
  box-shadow: 0 0 20px rgba(245, 197, 24, 0.12);
  transform: translateY(-2px);
}

.flow-node-final {
  border-color: var(--yellow);
  color: var(--yellow);
}

.flow-index {
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 700;
}

.flow-arrow {
  color: var(--gray);
  font-size: 1.1rem;
}

/* Human / automation split */
.split {
  padding: 6rem 0;
  text-align: center;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
  text-align: left;
}

.split-col {
  background: var(--bg-alt);
  border: 1px solid var(--gray-dark);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.split-col:hover {
  border-color: #333;
}

.split-col-accent {
  border-color: rgba(245, 197, 24, 0.35);
}

.split-col-accent:hover {
  border-color: var(--yellow);
  box-shadow: 0 0 24px rgba(245, 197, 24, 0.1);
}

.split-col h3 {
  margin-bottom: 1.1rem;
}

.split-col-accent h3 {
  color: var(--yellow);
}

.split-list {
  list-style: none;
}

.split-list li {
  color: var(--gray);
  padding: 0.5rem 0;
  border-top: 1px solid var(--gray-dark);
  font-size: 0.95rem;
}

.split-list li:first-child {
  border-top: none;
}

/* Pricing */
.pricing {
  padding: 6rem 0;
  text-align: center;
  background: var(--bg-alt);
  border-top: 1px solid var(--gray-dark);
  border-bottom: 1px solid var(--gray-dark);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.pricing-item {
  border: 1px solid var(--gray-dark);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  background: var(--bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.pricing-item:hover {
  border-color: var(--yellow);
  box-shadow: 0 0 24px rgba(245, 197, 24, 0.1);
  transform: translateY(-3px);
}

.pricing-item h3 {
  color: var(--yellow);
  margin-bottom: 0.5rem;
}

/* About */
.about {
  padding: 6rem 0;
}

.about-inner {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.headshot {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--gray-dark);
}

.about-text h2 {
  margin-bottom: 1rem;
}

.about-text p {
  margin-bottom: 0.9rem;
}

.social-links {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--gray-dark);
  color: var(--gray);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

.social-icon:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}

/* Final CTA */
.final-cta {
  padding: 7rem 0;
  text-align: center;
}

/* Footer */
.footer {
  border-top: 1px solid var(--gray-dark);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-tagline {
  color: var(--gray);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* Responsive */
@media (max-width: 800px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid,
  .split-grid {
    grid-template-columns: 1fr;
  }
  .about-inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  .hero {
    padding: 5rem 0 3.5rem;
  }
  .flow-diagram {
    flex-direction: column;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 480px) {
  .proof-grid {
    grid-template-columns: 1fr;
  }
  .nav-cta {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
  .logo-tag {
    display: none;
  }
}