:root {
  --ink: #171916;
  --ink-soft: #454941;
  --paper: #fbfaf6;
  --paper-deep: #f0eee6;
  --line: #d8d2c5;
  --green: #1f6f54;
  --green-dark: #104936;
  --amber: #c9832b;
  --rust: #a83f31;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(23, 25, 22, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

body::selection {
  color: var(--white);
  background: var(--green-dark);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px 40px;
  color: var(--paper);
  background: rgba(23, 25, 22, 0.92);
  border-bottom: 1px solid rgba(251, 250, 246, 0.14);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--paper);
  background: var(--green);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  font-size: 0.78rem;
}

.brand-name {
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.site-nav a,
.header-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  color: rgba(251, 250, 246, 0.82);
  border-radius: 8px;
  font-size: 0.94rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.header-cta {
  color: var(--ink);
  background: var(--paper);
  font-weight: 700;
}

.header-cta:hover,
.header-cta:focus-visible {
  background: #e7e2d5;
}

.hero {
  position: relative;
  min-height: 84svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}

#carbon-scene,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#carbon-scene {
  z-index: 0;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(23, 25, 22, 0.94) 0%, rgba(23, 25, 22, 0.78) 42%, rgba(23, 25, 22, 0.36) 100%),
    linear-gradient(0deg, rgba(23, 25, 22, 0.88) 0%, rgba(23, 25, 22, 0) 34%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0 64px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  line-height: 1.35;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: 5.2rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(251, 250, 246, 0.88);
  font-size: 1.28rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button-primary {
  color: var(--white);
  background: var(--green);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--green-dark);
}

.button-secondary {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 180px));
  gap: 1px;
  width: min(620px, 100%);
  margin: 46px 0 0;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  overflow: hidden;
}

.hero-metrics div {
  padding: 16px;
  background: rgba(23, 25, 22, 0.54);
}

.hero-metrics dt {
  color: rgba(251, 250, 246, 0.58);
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: var(--paper);
  font-size: 0.98rem;
  font-weight: 700;
}

.section,
.pilot-band,
.contact-section {
  padding: 88px 0;
}

.section-inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.pilot-band {
  color: var(--paper);
  background: var(--green-dark);
}

.pilot-grid,
.procurement-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: start;
}

h2 {
  margin: 0;
  font-size: 2.65rem;
  line-height: 1.08;
  letter-spacing: 0;
}

.pilot-grid p:last-child,
.procurement-list,
.contact-copy {
  margin: 0;
  color: rgba(251, 250, 246, 0.82);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.compact {
  margin: 0;
}

.section-heading h2,
.procurement h2,
.contact-section h2 {
  color: var(--ink);
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.deliverable-card,
.price-card,
.process-step {
  min-height: 100%;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(23, 25, 22, 0.06);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--rust);
  border-radius: 8px;
  font-weight: 900;
  font-size: 0.82rem;
}

h3 {
  margin: 18px 0 8px;
  font-size: 1.1rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.deliverable-card p,
.process-step p,
.price-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.section-contrast {
  background: var(--paper-deep);
}

.process-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 52px;
  align-items: start;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.process-step span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--green);
  border-radius: 8px;
  font-weight: 900;
}

.procurement {
  color: var(--paper);
  background: var(--ink);
}

.procurement h2 {
  color: var(--paper);
}

.procurement-list {
  display: grid;
  gap: 10px;
}

.procurement-list p {
  margin: 0;
  padding: 16px 18px;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.pricing-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.price-card.highlighted {
  border-color: rgba(31, 111, 84, 0.5);
  box-shadow: var(--shadow);
}

.price {
  margin: 10px 0 12px;
  color: var(--green-dark);
  font-size: 1.7rem;
  line-height: 1.1;
  font-weight: 900;
}

.contact-section {
  color: var(--paper);
  background: var(--green-dark);
}

.contact-section h2 {
  color: var(--paper);
}

.email-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--white);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(201, 131, 43, 0.34);
  border-color: var(--amber);
}

.contact-form .button {
  width: 100%;
}

.form-note {
  min-height: 20px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.site-footer {
  padding: 28px 0;
  color: rgba(251, 250, 246, 0.72);
  background: var(--ink);
  border-top: 1px solid rgba(251, 250, 246, 0.12);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 12px 24px;
  }

  .site-nav {
    display: none;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .deliverable-grid,
  .pricing-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pilot-grid,
  .process-layout,
  .procurement-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    gap: 12px;
    min-height: 68px;
    padding: 10px 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    font-size: 0.98rem;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 11px;
    font-size: 0.86rem;
  }

  .hero {
    min-height: 82svh;
  }

  .hero-inner,
  .section-inner {
    width: min(100% - 32px, 1120px);
  }

  .hero-inner {
    padding: 42px 0 52px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-lede {
    font-size: 1.06rem;
  }

  .hero-actions {
    display: grid;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .section,
  .pilot-band,
  .contact-section {
    padding: 64px 0;
  }

  h2 {
    font-size: 2rem;
  }

  .deliverable-grid,
  .process-steps,
  .pricing-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 18px;
  }

  .footer-inner {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}