:root {
  color-scheme: light;
  --ink: #171a1f;
  --muted: #5d6571;
  --line: #d9dde3;
  --paper: #f6f7f4;
  --white: #ffffff;
  --steel: #2f3a45;
  --yellow: #f6b72d;
  --yellow-dark: #b77a00;
  --green: #2f6b4f;
}

* {
  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;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 3rem);
  background: rgba(246, 247, 244, 0.94);
  border-bottom: 1px solid rgba(23, 26, 31, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  color: var(--ink);
  background: var(--yellow);
  border: 2px solid var(--ink);
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

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

nav {
  display: flex;
  justify-content: center;
  gap: clamp(0.85rem, 2vw, 1.5rem);
  color: var(--steel);
  font-size: 0.95rem;
  font-weight: 700;
}

.header-action {
  justify-self: end;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: clamp(36rem, 78vh, 48rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--ink);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 12, 14, 0.78), rgba(10, 12, 14, 0.28) 46%, rgba(10, 12, 14, 0.04)),
    linear-gradient(0deg, rgba(10, 12, 14, 0.72), rgba(10, 12, 14, 0.03) 50%);
}

.hero-content {
  position: relative;
  max-width: 48rem;
  padding: clamp(7rem, 13vw, 10rem) clamp(1.25rem, 5vw, 5rem) clamp(3rem, 8vw, 5.5rem);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--yellow);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1rem;
  font-size: clamp(3.2rem, 8vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.1rem, 4.8vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.2rem;
  line-height: 1.15;
}

.hero-content p:not(.eyebrow) {
  max-width: 39rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.primary-button,
.secondary-button,
button {
  display: inline-flex;
  min-height: 3.1rem;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.15rem;
  border: 2px solid transparent;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.primary-button,
button {
  color: var(--ink);
  background: var(--yellow);
}

.secondary-button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.08);
}

.quick-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(1rem, 4vw, 3rem);
  transform: translateY(-2rem);
  background: var(--line);
  box-shadow: 0 1.5rem 3rem rgba(23, 26, 31, 0.14);
}

.quick-panel article {
  min-height: 8rem;
  padding: 1.35rem;
  background: var(--white);
}

.quick-panel strong,
.quick-panel span {
  display: block;
}

.quick-panel strong {
  margin-bottom: 0.45rem;
  font-size: 1rem;
}

.quick-panel span,
.section p,
.materials-grid p,
.service-list p,
.metrics span,
.form-note {
  color: var(--muted);
}

.section {
  padding: clamp(3rem, 8vw, 7rem) clamp(1rem, 5vw, 5rem);
}

.materials-section {
  display: grid;
  grid-template-columns: minmax(16rem, 0.86fr) minmax(0, 1.45fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.section-copy {
  position: sticky;
  top: 6.5rem;
}

.section-copy p:not(.eyebrow),
.proof p:not(.eyebrow),
.quote-section > div p,
.source-section p {
  max-width: 42rem;
  font-size: 1.05rem;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.materials-grid article {
  min-height: 16rem;
  padding: 1.5rem;
  background: var(--white);
}

.materials-grid span {
  display: inline-block;
  margin-bottom: 3.5rem;
  color: var(--yellow-dark);
  font-weight: 900;
}

.service-band {
  display: grid;
  grid-template-columns: minmax(16rem, 0.75fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  color: var(--white);
  background: var(--steel);
}

.service-list {
  display: grid;
  gap: 1rem;
}

.service-list article {
  padding: 1.25rem 0 1.25rem 1.25rem;
  border-left: 4px solid var(--yellow);
}

.service-list p {
  color: rgba(255, 255, 255, 0.72);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.metrics {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.metrics article {
  padding: 1.25rem;
  background: var(--white);
}

.metrics strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--green);
  font-size: clamp(1.65rem, 4vw, 3rem);
  line-height: 1;
}

.product-list strong {
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2.25rem);
}

.roadmap-section {
  background:
    linear-gradient(135deg, rgba(246, 183, 45, 0.16), rgba(47, 107, 79, 0.12)),
    var(--paper);
}

.roadmap-section > h2 {
  max-width: 14ch;
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 3rem);
  background: rgba(23, 26, 31, 0.16);
  border: 1px solid rgba(23, 26, 31, 0.16);
}

.roadmap article {
  min-height: 11rem;
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.82);
}

.roadmap span {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--green);
  font-weight: 900;
  text-transform: uppercase;
}

.roadmap p {
  color: var(--muted);
}

.source-section {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 5rem);
  background: var(--white);
}

.source-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.source-grid article {
  padding: 1.25rem;
  background: #fbfbf9;
}

.subhero {
  padding: clamp(7rem, 14vw, 11rem) clamp(1rem, 5vw, 5rem) clamp(3rem, 7vw, 5rem);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(23, 26, 31, 0.95), rgba(47, 58, 69, 0.84)),
    url("supply-yard.png") center / cover;
}

.subhero h1 {
  max-width: 13ch;
}

.subhero p:not(.eyebrow) {
  max-width: 44rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
}

.card-grid-section {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card-grid-section article {
  min-height: 19rem;
  padding: 1.35rem;
  background: var(--white);
}

.card-grid-section span {
  display: inline-block;
  margin-bottom: 3rem;
  color: var(--yellow-dark);
  font-weight: 900;
}

.compact-cta {
  align-items: center;
}

.compact-cta .primary-button {
  align-self: start;
  justify-self: start;
}

.page-index-section {
  background: var(--ink);
  color: var(--white);
}

.page-index-section h2 {
  max-width: 13ch;
}

.page-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.18);
}

.page-link-grid a {
  min-height: 6rem;
  display: flex;
  align-items: end;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 900;
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(20rem, 0.7fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding: clamp(3rem, 8vw, 7rem) clamp(1rem, 5vw, 5rem);
  color: var(--white);
  background: var(--ink);
}

form {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  color: var(--ink);
  background: var(--white);
}

label {
  display: grid;
  gap: 0.45rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--line);
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  background: #fbfbf9;
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  font-size: 0.88rem;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem clamp(1rem, 5vw, 5rem);
  color: rgba(255, 255, 255, 0.75);
  background: #0f1115;
}

footer span:first-child {
  color: var(--white);
  font-weight: 900;
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .header-action {
    justify-self: stretch;
    text-align: center;
  }

  .quick-panel,
  .materials-section,
  .service-band,
  .split-section,
  .quote-section,
  .roadmap,
  .source-section,
  .card-grid-section,
  .page-link-grid {
    grid-template-columns: 1fr;
  }

  .quick-panel {
    transform: none;
    margin-top: 1rem;
  }

  .section-copy {
    position: static;
  }

  .materials-grid {
    grid-template-columns: 1fr;
  }

  .materials-grid article {
    min-height: auto;
  }

  .materials-grid span {
    margin-bottom: 1.25rem;
  }

  .hero {
    min-height: 42rem;
  }

  .hero-content {
    padding-top: 10rem;
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: 3.15rem;
  }

  h2 {
    font-size: 2.2rem;
  }

  .hero-actions,
  footer {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }
}