:root {
  --ink: #111411;
  --muted: #626262;
  --line: #d7d7d7;
  --paper: #f4f4f2;
  --white: #ffffff;
  --deep: #101010;
  --soft: #e9e9e7;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.13);
}

* {
  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", Arial, sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(246, 245, 240, 0.94);
  border-bottom: 1px solid rgba(17, 20, 17, 0.09);
  backdrop-filter: blur(18px);
}

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

.brand-logo,
.footer-logo {
  display: block;
  width: min(236px, 48vw);
  height: 22px;
  background: currentColor;
  -webkit-mask: url("AMI%20VI/Logo%20White.svg") center / contain no-repeat;
  mask: url("AMI%20VI/Logo%20White.svg") center / contain no-repeat;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  font-weight: 600;
}

.site-nav a {
  opacity: 0.86;
}

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

.nav-cta {
  padding: 10px 14px;
  border: 1px solid currentColor;
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 160px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 118px),
    radial-gradient(circle at 78% 28%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(135deg, #050505 0%, #171717 44%, #2c2c2c 100%);
}

.hero-image::before {
  content: "";
  position: absolute;
  right: clamp(22px, 9vw, 140px);
  top: clamp(120px, 18vh, 220px);
  width: min(42vw, 520px);
  aspect-ratio: 1.42;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background:
    linear-gradient(90deg, transparent 0 20%, rgba(255, 255, 255, 0.13) 20% 20.4%, transparent 20.4% 39%, rgba(255, 255, 255, 0.13) 39% 39.4%, transparent 39.4%),
    linear-gradient(0deg, transparent 0 25%, rgba(255, 255, 255, 0.13) 25% 25.4%, transparent 25.4% 58%, rgba(255, 255, 255, 0.13) 58% 58.4%, transparent 58.4%);
  opacity: 0.58;
}

.hero-image::after {
  content: "";
  position: absolute;
  right: clamp(54px, 14vw, 250px);
  bottom: clamp(82px, 16vh, 180px);
  width: min(28vw, 330px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  opacity: 0.5;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.62) 42%, rgba(0, 0, 0, 0.18) 78%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0) 48%);
}

.hero-content {
  position: relative;
  width: min(780px, calc(100% - 40px));
  margin: 0 auto;
  padding: 156px 0 13vh;
}

.eyebrow {
  margin: 0 0 14px;
  color: #3e3e3e;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.68);
}

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

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
}

.brand-line {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2.1vw, 24px);
}

.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 13px 18px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
}

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

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.06);
}

.section-pad {
  padding: clamp(74px, 9vw, 128px) clamp(20px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(24px, 5vw, 72px);
  max-width: 1160px;
  margin: 0 auto;
}

.section-heading.compact {
  display: block;
  max-width: 760px;
  margin-bottom: 36px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

.intro-copy {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.intro-copy p:last-child {
  margin-bottom: 0;
}

.capabilities {
  background: var(--white);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 1160px;
  margin: 0 auto;
  background: var(--line);
  border: 1px solid var(--line);
}

.capability-card {
  min-height: 292px;
  padding: 28px;
  background: var(--white);
}

.capability-card.wide {
  grid-column: span 2;
}

.card-index {
  display: block;
  margin-bottom: 42px;
  color: #5a5a5a;
  font-size: 13px;
  font-weight: 700;
}

.capability-card h3,
.fit-grid h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.12;
  letter-spacing: 0;
}

.capability-card p,
.fit-grid p,
.method-item p,
.contact-actions p,
.site-footer p {
  color: var(--muted);
}

.method {
  background: var(--deep);
  color: var(--white);
}

.method .section-heading {
  margin-bottom: 48px;
}

.method-list {
  max-width: 1160px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.method-item {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.method-item span {
  font-size: 24px;
  font-weight: 700;
}

.method-item p {
  max-width: 700px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.proof {
  background: var(--soft);
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 1160px;
  margin: 0 auto;
  background: var(--line);
  border: 1px solid var(--line);
}

.fit-grid > div {
  min-height: 240px;
  padding: 28px;
  background: var(--soft);
}

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

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 48px;
  max-width: 1160px;
  margin: 0 auto;
  padding: clamp(30px, 5vw, 56px);
  color: var(--white);
  background: var(--ink);
  box-shadow: var(--shadow);
}

.contact-panel h2 {
  max-width: 760px;
}

.contact-actions {
  display: flex;
  align-content: start;
  align-items: flex-start;
  flex-direction: column;
  gap: 18px;
}

.contact-actions p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.email-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  max-width: 100%;
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
}

.email-link svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 4vw, 56px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
}

.site-footer .footer-logo {
  color: var(--white);
}

.site-footer > div {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    top: 79px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 24px;
    color: var(--ink);
    background: rgba(246, 245, 240, 0.97);
    border-bottom: 1px solid rgba(17, 20, 17, 0.09);
    backdrop-filter: blur(18px);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid rgba(17, 20, 17, 0.08);
  }

  .nav-cta {
    margin-top: 12px;
    padding: 13px 15px;
    border: 1px solid var(--ink);
    text-align: center;
  }

  .nav-toggle {
    display: inline-flex;
    width: 42px;
    height: 42px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: inherit;
    border: 1px solid currentColor;
    background: transparent;
  }

  .nav-toggle span {
    width: 18px;
    height: 2px;
    background: currentColor;
  }

  .section-heading,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .capability-grid,
  .fit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .brand-logo {
    width: 170px;
    height: 16px;
  }

  .hero {
    min-height: 92vh;
  }

  .hero-content {
    width: min(100% - 34px, 780px);
    padding-bottom: 78px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.58)),
      linear-gradient(0deg, rgba(0, 0, 0, 0.76), rgba(0, 0, 0, 0.08) 56%);
  }

  .hero-image::before {
    right: -70px;
    width: 360px;
    opacity: 0.34;
  }

  .hero-image::after {
    right: -10px;
    bottom: 120px;
    width: 220px;
    opacity: 0.34;
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .capability-grid,
  .fit-grid {
    grid-template-columns: 1fr;
  }

  .capability-card.wide {
    grid-column: auto;
  }

  .method-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .contact-panel {
    padding: 26px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}