:root {
  --ink: #101417;
  --coal: #171b1f;
  --slate: #27323a;
  --paper: #fbfbf7;
  --mist: #eef4f0;
  --white: #ffffff;
  --teal: #0e7d72;
  --teal-dark: #07564f;
  --amber: #c97824;
  --ruby: #8f3348;
  --line: rgba(16, 20, 23, 0.14);
  --shadow: 0 24px 80px rgba(16, 20, 23, 0.18);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(16, 20, 23, 0.76), rgba(16, 20, 23, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
  font-size: 0.78rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.88);
}

.main-nav a {
  padding-block: 8px;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--coal);
  color: var(--white);
}

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

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 12, 14, 0.92) 0%, rgba(9, 12, 14, 0.68) 45%, rgba(9, 12, 14, 0.16) 100%),
    linear-gradient(0deg, rgba(9, 12, 14, 0.88) 0%, rgba(9, 12, 14, 0.06) 52%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(850px, calc(100% - 36px));
  margin: 0 clamp(18px, 6vw, 86px) clamp(48px, 8vw, 96px);
}

.label {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
span,
a {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(3.25rem, 8.8vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 710px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  border: 0;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.44);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button-dark {
  color: var(--white);
  background: var(--coal);
}

.band {
  background: var(--mist);
}

.section,
.band {
  padding: clamp(64px, 9vw, 112px) 0;
}

.section-inner {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.intro {
  padding-block: clamp(42px, 6vw, 72px);
}

.intro-grid,
.contact-grid,
.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(26px, 6vw, 72px);
  align-items: center;
}

.intro h2,
.section-heading h2,
.contact-grid h2,
.evidence-grid h2 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.intro p:not(.label),
.contact-grid p,
.evidence-grid p {
  margin: 0;
  color: rgba(16, 20, 23, 0.72);
  font-size: clamp(1.02rem, 1.7vw, 1.22rem);
  line-height: 1.7;
}

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

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  min-height: 300px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.service-number {
  color: var(--ruby);
  font-weight: 850;
}

.service-card h3 {
  margin: 56px 0 16px;
  font-size: 1.35rem;
  line-height: 1.15;
}

.service-card p {
  margin: 0;
  color: rgba(16, 20, 23, 0.68);
  line-height: 1.65;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.process-list li {
  padding: 24px 24px 10px 0;
  border-top: 4px solid var(--teal);
}

.process-list span {
  display: block;
  margin-bottom: 12px;
  font-size: 1.1rem;
  font-weight: 850;
}

.process-list p {
  margin: 0;
  color: rgba(16, 20, 23, 0.68);
  line-height: 1.65;
}

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

.evidence-list {
  display: grid;
  gap: 14px;
}

.evidence-list div {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.evidence-list strong {
  color: var(--teal-dark);
  font-size: 1.05rem;
}

.evidence-list span {
  color: rgba(16, 20, 23, 0.68);
  line-height: 1.6;
}

.contact-section {
  background: var(--coal);
  color: var(--white);
}

.contact-grid p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-link {
  display: block;
  width: 100%;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  color: var(--white);
  font-size: clamp(1.25rem, 3vw, 2.4rem);
  font-weight: 850;
  text-align: center;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 4vw, 56px);
  background: #101214;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
}

@media (max-width: 920px) {
  .service-grid,
  .process-list,
  .intro-grid,
  .contact-grid,
  .evidence-grid {
    grid-template-columns: 1fr 1fr;
  }

  .split-heading {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    padding-top: 16px;
  }

  .brand {
    gap: 10px;
  }

  .main-nav {
    display: none;
  }

  .hero {
    min-height: 92vh;
  }

  .hero-scrim {
    background:
      linear-gradient(90deg, rgba(9, 12, 14, 0.92), rgba(9, 12, 14, 0.58)),
      linear-gradient(0deg, rgba(9, 12, 14, 0.92) 0%, rgba(9, 12, 14, 0.2) 56%);
  }

  .hero-content {
    margin-bottom: 42px;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.8rem);
  }

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

  .button {
    width: 100%;
  }

  .service-grid,
  .process-list,
  .intro-grid,
  .contact-grid,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .service-card h3 {
    margin-top: 36px;
  }

  .process-list li {
    padding-right: 0;
  }
}