:root {
  --black: #0a0a0a;
  --red: #dc2626;
  --red-dark: #991b1b;
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-400: #a1a1aa;
  --gray-600: #52525b;
  --gray-800: #27272a;
  --white: #ffffff;
  --font: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Top accent */
.accent-line {
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0%, var(--black) 100%);
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

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

.logo {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
}

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

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

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
}

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; }
}

.hero-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--red);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: italic;
  color: var(--red);
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 420px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--black);
  color: var(--white);
}

.stat-item {
  border-left: 2px solid var(--red);
  padding-left: 1.25rem;
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 0.35rem;
  line-height: 1.4;
}

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 400;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.section p {
  color: var(--gray-600);
  max-width: 640px;
  margin-bottom: 1rem;
  line-height: 1.75;
}

.section-dark {
  background: var(--black);
  color: var(--white);
  max-width: none;
  padding-left: calc((100vw - 1100px) / 2 + 1.5rem);
  padding-right: calc((100vw - 1100px) / 2 + 1.5rem);
}

@media (max-width: 1100px) {
  .section-dark {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

.section-dark .section-inner { max-width: 1100px; margin: 0 auto; }

.section-dark h2 { color: var(--white); }

.section-dark p { color: var(--gray-400); }

/* Industries */
.industries {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--gray-100);
  border: 1px solid var(--gray-100);
  margin-top: 2rem;
}

.industry {
  background: var(--white);
  padding: 1.5rem;
  transition: background 0.2s;
}

.industry:hover { background: var(--gray-50); }

.industry strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.industry span {
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* Standards grid */
.standards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.standard-card {
  padding: 2rem;
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}

.standard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--red);
}

.standard-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

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

.standard-card p {
  font-size: 0.9rem;
  margin: 0;
  max-width: none;
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 2.5rem;
  counter-reset: step;
}

@media (max-width: 900px) {
  .process-steps { grid-template-columns: 1fr; gap: 0; }
}

.process-step {
  padding: 1.5rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  position: relative;
}

@media (min-width: 901px) {
  .process-step { border-top: none; border-left: 1px solid rgba(255,255,255,0.15); }
  .process-step:first-child { border-left: none; }
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.75rem;
}

.process-step h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.8rem;
  margin: 0;
  max-width: none;
  line-height: 1.5;
}

/* Pricing */
.pricing-section {
  background: var(--gray-50);
  max-width: none;
  padding: 4rem 1.5rem;
}

.pricing-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.pricing-header p {
  margin: 0.5rem auto 0;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 700px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

.price-card {
  background: var(--white);
  padding: 2.5rem;
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s, transform 0.25s;
}

.price-card:hover {
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.price-card.featured {
  border-color: var(--black);
  border-width: 2px;
  position: relative;
}

.price-badge {
  position: absolute;
  top: -1px;
  right: 1.5rem;
  background: var(--red);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
}

.price-tier {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.price-card h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.price-card .desc {
  font-size: 0.95rem;
  color: var(--gray-600);
  flex: 1;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.price-features {
  list-style: none;
  margin-bottom: 2rem;
}

.price-features li {
  font-size: 0.85rem;
  color: var(--gray-800);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  padding-left: 1.25rem;
  position: relative;
}

.price-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

.price-amount {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-400);
}

.btn {
  display: inline-block;
  text-align: center;
  padding: 1rem 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.btn-dark {
  background: var(--black);
  color: var(--white);
}

.btn-dark:hover:not(.btn-disabled) { background: var(--gray-800); }

.btn-red {
  background: var(--red);
  color: var(--white);
}

.btn-red:hover:not(.btn-disabled) { background: var(--red-dark); }

.btn-disabled { opacity: 0.4; cursor: not-allowed; }

/* FAQ */
.faq-list { max-width: 720px; margin-top: 1.5rem; }

.faq-list details {
  border-bottom: 1px solid var(--gray-100);
  padding: 1.25rem 0;
}

.faq-list summary {
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  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;
  font-weight: 400;
  color: var(--red);
  flex-shrink: 0;
}

.faq-list details[open] summary::after { content: '−'; }

.faq-list p {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  max-width: none;
}

/* CTA band */
.cta-band {
  background: var(--red);
  color: var(--white);
  text-align: center;
  padding: 3rem 1.5rem;
}

.cta-band p {
  max-width: 520px;
  margin: 0 auto;
  color: rgba(255,255,255,0.9);
  font-size: 1rem;
}

.cta-band a {
  color: var(--white);
  font-weight: 600;
  text-decoration: underline;
}

/* Footer */
.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--gray-600);
  border-top: 1px solid var(--gray-100);
}

.site-footer a {
  color: var(--black);
  font-weight: 500;
  text-decoration: none;
}

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