:root {
  --accent: #fff310;
  --bg: #0c0b02;
  --ink: #16140a;
  --light: #f4f4ef;
  --muted: #8a8a8a;
  --white: #ffffff;
  --card-border: #e4e4dc;
  --radius: 1rem;
  --container: 1120px;
  --font: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--light);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

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

/* Header / nav */
.site-header {
  background: var(--bg);
  color: var(--light);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--light);
  text-decoration: none;
  font-size: 0.95rem;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.nav-links a:hover {
  opacity: 1;
}

/* Hero */
.hero {
  background: var(--bg);
  color: var(--light);
  padding: 6rem 0 4.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 14ch;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #f4f4ef 45%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-sub {
  max-width: 52ch;
  font-size: 1.125rem;
  color: #d6d5cc;
  margin-bottom: 2rem;
}

.hero-cta-row {
  margin-bottom: 0;
}

.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  display: block;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 243, 16, 0.25);
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(244, 244, 239, 0.15);
  padding-top: 2.5rem;
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.trust-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--light);
  letter-spacing: -0.02em;
}

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

/* Shared section titles */
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
  text-align: center;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-align: center;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 56ch;
  margin: 0.75rem auto 2.5rem;
}

/* Stats band */
.stats {
  background: var(--light);
  padding: 4.5rem 0;
}

.stats .section-title {
  margin-bottom: 2.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.stat-card p {
  color: #5c5a50;
  font-size: 0.95rem;
}

/* Features band */
.features {
  background: var(--light);
  padding: 4.5rem 0;
}

.features .section-title {
  margin-bottom: 0.75rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

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

.feature-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}

.feature-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: #5c5a50;
  font-size: 0.95rem;
}

/* How it works band */
.how {
  background: var(--bg);
  color: var(--light);
  padding: 4.5rem 0;
}

.how .section-eyebrow {
  color: var(--muted);
}

.how .section-title {
  color: var(--light);
  margin-bottom: 2.5rem;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.how-card {
  background: #16140a;
  border: 1px solid rgba(244, 244, 239, 0.12);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-num {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.how-card h3 {
  font-size: 1.1rem;
}

.how-card p {
  color: #a7a69c;
  font-size: 0.95rem;
}

/* Use cases band */
.usecases {
  background: var(--light);
  padding: 4.5rem 0;
}

.usecases .section-title {
  margin-bottom: 2.5rem;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.usecase-card {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.usecase-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.usecase-card p {
  color: #5c5a50;
  font-size: 0.92rem;
}

/* Showcase band */
.showcase {
  background: var(--bg);
  padding: 4.5rem 0;
}

.showcase .section-eyebrow,
.showcase .section-title {
  color: var(--light);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.showcase-item {
  margin: 0;
}

.showcase-item img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

/* Testimonials / case studies band */
.testimonials {
  background: var(--white);
  padding: 4.5rem 0;
}

.testimonials .section-title {
  margin-bottom: 2.5rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.testimonial-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.testimonial-card p {
  color: #5c5a50;
  font-size: 0.92rem;
  font-style: italic;
}

.testimonial-meta {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Comparison band */
.compare {
  background: var(--light);
  padding: 4.5rem 0;
}

.compare .section-title {
  margin-bottom: 2.5rem;
}

.compare-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid #eceae2;
  font-size: 0.95rem;
}

.compare-table thead th {
  font-weight: 600;
  border-bottom: 2px solid var(--ink);
}

.compare-table thead th:first-child {
  color: var(--muted);
  font-weight: 500;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table td:first-child {
  font-weight: 500;
}

.compare-table .yes {
  font-weight: 700;
  color: #0f7a3d;
}

.compare-note {
  text-align: center;
  color: var(--muted);
  max-width: 64ch;
  margin: 1.5rem auto 0;
  font-size: 0.95rem;
}

/* FAQ band */
.faq {
  background: var(--light);
  padding: 4.5rem 0;
}

.faq .section-title {
  margin-bottom: 2.5rem;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  padding: 0 1.25rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  padding: 1.1rem 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

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

.faq-list summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details[open] summary {
  border-bottom: 1px solid #eceae2;
}

.faq-list details p {
  padding: 0 0 1.1rem;
  color: #5c5a50;
  font-size: 0.95rem;
}

/* Final CTA band */
.final-cta {
  background: var(--bg);
  color: var(--light);
  padding: 5rem 0;
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}

/* Footer */
.site-footer {
  background: var(--bg);
  color: var(--light);
  border-top: 1px solid rgba(244, 244, 239, 0.08);
  padding: 3rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
}

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

.footer-brand p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  max-width: 32ch;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

/* Responsive */
@media (max-width: 900px) {
  .features-grid,
  .how-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .usecases-grid,
  .testimonials-grid,
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .nav-links {
    gap: 1rem;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .trust-stats,
  .stats-grid,
  .features-grid,
  .how-grid,
  .usecases-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .trust-stats {
    gap: 1.25rem;
  }

  .stats,
  .features,
  .how,
  .showcase,
  .usecases,
  .testimonials,
  .compare,
  .faq {
    padding: 3.5rem 0;
  }

  .footer-inner {
    flex-direction: column;
  }

  .compare-table {
    min-width: 560px;
  }
}
