:root {
  --ivory: #f5f3ec;
  --ivory-soft: #ebe7dc;
  --black: #030303;
  --ink: #141210;
  --muted: #5e5a52;
  --bronze: #a36d21;
  --bronze-dark: #7a4b12;
  --bronze-soft: rgba(163, 109, 33, 0.18);
  --rule: rgba(20, 18, 16, 0.14);
  --rule-dark: rgba(245, 243, 236, 0.18);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 20% 12%, rgba(255, 255, 255, 0.72), transparent 32%),
    linear-gradient(90deg, rgba(3, 3, 3, 0.025) 1px, transparent 1px),
    linear-gradient(rgba(3, 3, 3, 0.018) 1px, transparent 1px);
  background-size: auto, 96px 96px, 96px 96px;
  content: "";
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 40;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  align-items: center;
  min-height: 86px;
  border-bottom: 1px solid var(--rule);
  background: rgba(245, 243, 236, 0.94);
  padding: 0 clamp(22px, 4vw, 54px);
  backdrop-filter: blur(16px);
}

.site-header.scrolled,
.site-header.nav-open {
  background: rgba(245, 243, 236, 0.98);
  box-shadow: 0 18px 48px rgba(20, 18, 16, 0.08);
}

.brand {
  display: inline-grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--bronze);
  border-radius: 50%;
  color: var(--bronze-dark);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 0.95rem;
  font-weight: 600;
}

.brand-name {
  display: grid;
  color: var(--black);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.17rem;
  line-height: 1.05;
}

.brand-name span {
  margin-top: 3px;
  color: var(--muted);
  font-family: Inter, system-ui, sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(18px, 3vw, 34px);
}

.site-nav a {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
}

.site-nav a:not(.nav-cta)::after {
  display: block;
  width: 0;
  height: 1px;
  margin-top: 5px;
  background: var(--bronze);
  transition: width 180ms ease;
  content: "";
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.site-nav .nav-cta {
  border: 1px solid var(--bronze);
  padding: 15px 24px;
  background: linear-gradient(135deg, #c9933f, #8c591b);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  justify-self: end;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding-top: 86px;
}

.hero-backdrop {
  position: absolute;
  inset: 86px 0 0;
  background:
    linear-gradient(90deg, rgba(245, 243, 236, 0.98) 0%, rgba(245, 243, 236, 0.87) 48%, rgba(245, 243, 236, 0.56) 100%),
    url("hero.png") center right / cover;
  opacity: 0.9;
}

.hero-grid {
  position: relative;
  display: grid;
  width: min(var(--max), calc(100% - 48px));
  min-height: calc(100vh - 86px);
  margin: 0 auto;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 0.72fr);
  gap: clamp(38px, 6vw, 82px);
  align-items: center;
  padding: 92px 0 72px;
}

.hero-copy {
  max-width: 860px;
}

.eyebrow,
.section-kicker {
  display: flex;
  gap: 14px;
  align-items: center;
  margin: 0 0 28px;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  line-height: 1.45;
  text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::before {
  display: inline-block;
  width: 58px;
  height: 1px;
  background: var(--bronze);
  content: "";
}

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

h1,
h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0;
  color: var(--black);
  font-size: clamp(4.4rem, 9vw, 8.9rem);
  line-height: 0.88;
  overflow-wrap: normal;
  white-space: nowrap;
}

h2 {
  margin: 0;
  color: inherit;
  font-size: clamp(2.8rem, 5.6vw, 4.8rem);
  line-height: 1.04;
}

h3 {
  margin: 0 0 12px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.65rem;
  font-weight: 400;
  line-height: 1.18;
}

.hero-statement {
  max-width: 880px;
  margin: 22px 0 0;
  color: var(--bronze-dark);
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2.15rem, 4vw, 3.6rem);
  font-style: italic;
  line-height: 1.14;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--bronze);
  padding: 15px 28px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  line-height: 1.2;
  text-transform: uppercase;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--black);
  box-shadow: 0 16px 34px rgba(3, 3, 3, 0.16);
  color: #fff;
}

.button-ghost {
  background: rgba(245, 243, 236, 0.74);
  color: var(--bronze-dark);
}

.signal-strip {
  max-width: 640px;
  margin-top: 76px;
  border-top: 1px solid var(--rule);
  padding-top: 22px;
}

.signal-strip span {
  display: block;
  border-left: 1px solid var(--bronze);
  padding-left: 16px;
  color: var(--ink);
  font-size: 0.9rem;
}

.signal-strip em {
  color: var(--bronze-dark);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.02rem;
}

.hero-visual {
  align-self: end;
  border: 1px solid rgba(163, 109, 33, 0.34);
  background: rgba(245, 243, 236, 0.54);
  padding: 14px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.72) contrast(0.96);
}

.hero-visual p {
  margin: 12px 0 0;
  color: var(--bronze-dark);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-align: center;
  text-transform: uppercase;
}

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

.intro-band,
.capabilities-section,
.model-section,
.proof-band {
  background: var(--black);
  color: var(--ivory);
}

.intro-band {
  border-top: 1px solid var(--black);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.38fr 1.08fr 0.72fr;
  gap: clamp(34px, 5vw, 66px);
  align-items: start;
  padding: 88px 0;
}

.intro-grid .section-kicker,
.capabilities-section .section-kicker,
.model-section .section-kicker,
.contact-section .section-kicker {
  color: var(--ivory);
}

.intro-grid p:last-child,
.split-heading > p,
.model-lede,
.contact-copy p,
.capability-card p,
.model-steps p,
.proof-grid span {
  margin: 0;
  color: rgba(245, 243, 236, 0.72);
}

.section {
  padding: 116px 0;
}

.section-heading {
  margin-bottom: 52px;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.5fr);
  gap: 44px;
  align-items: end;
}

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

.capability-card {
  min-height: 326px;
  border-right: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  padding: 28px;
}

.card-index {
  display: block;
  margin-bottom: 76px;
  color: var(--bronze);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2rem;
  font-style: italic;
}

.sector-section {
  padding: 116px 0;
  background: var(--ivory);
  color: var(--ink);
}

.sector-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 22px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.sector-tab {
  min-height: 46px;
  border: 1px solid rgba(163, 109, 33, 0.42);
  background: transparent;
  color: var(--bronze-dark);
  padding: 12px 18px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
}

.sector-tab.active {
  background: var(--black);
  color: var(--ivory);
}

.sector-panel {
  display: none;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1fr);
  gap: clamp(32px, 6vw, 74px);
  min-height: 430px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 52px 0;
}

.sector-panel.active {
  display: grid;
}

.sector-code {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--bronze);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2.1rem;
  font-style: italic;
}

.sector-copy h3 {
  max-width: 760px;
  font-size: clamp(2.25rem, 4.6vw, 4.2rem);
}

.sector-copy p {
  max-width: 560px;
  margin: 18px 0 0;
  color: var(--muted);
}

.usecase-list {
  display: grid;
  gap: 0;
  align-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.usecase-list li {
  position: relative;
  min-height: 66px;
  border-bottom: 1px solid var(--rule);
  padding: 20px 16px 20px 54px;
  color: var(--ink);
  font-weight: 600;
}

.usecase-list li::before {
  position: absolute;
  top: 27px;
  left: 12px;
  width: 22px;
  height: 1px;
  background: var(--bronze);
  content: "";
}

.model-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: clamp(44px, 6vw, 88px);
  align-items: start;
}

.model-lede {
  margin-top: 28px;
}

.model-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--rule-dark);
  border-left: 1px solid var(--rule-dark);
}

.model-steps article {
  min-height: 238px;
  border-right: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  padding: 26px;
}

.model-steps span {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--bronze);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.7rem;
  font-style: italic;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule-dark);
  border-left: 1px solid var(--rule-dark);
}

.proof-grid div {
  min-height: 150px;
  border-right: 1px solid var(--rule-dark);
  padding: 28px;
}

.proof-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ivory);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.45rem;
  font-weight: 400;
}

.contact-section {
  position: relative;
  overflow: hidden;
  padding: 116px 0;
  background:
    linear-gradient(90deg, rgba(3, 3, 3, 0.96), rgba(3, 3, 3, 0.88)),
    url("hero.png") center / cover;
  color: var(--ivory);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: clamp(38px, 6vw, 78px);
  align-items: start;
}

.contact-copy h2 {
  margin-bottom: 22px;
}

.contact-form {
  display: grid;
  gap: 16px;
  border: 1px solid var(--rule-dark);
  padding: clamp(24px, 4vw, 38px);
  background: rgba(245, 243, 236, 0.05);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(245, 243, 236, 0.82);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(245, 243, 236, 0.24);
  background: rgba(245, 243, 236, 0.06);
  color: var(--ivory);
  padding: 14px;
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px rgba(163, 109, 33, 0.18);
}

.contact-form option {
  color: var(--ink);
}

.contact-form textarea {
  resize: vertical;
}

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--rule-dark);
  padding: 30px clamp(22px, 4vw, 54px);
  background: var(--black);
  color: rgba(245, 243, 236, 0.62);
  font-size: 0.85rem;
}

.site-footer span:first-child {
  color: var(--ivory);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.2rem;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 86px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--rule);
    background: rgba(245, 243, 236, 0.98);
    padding: 12px 22px 22px;
  }

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

  .site-nav a,
  .site-nav .nav-cta {
    padding: 14px 0;
  }

  .site-nav .nav-cta {
    margin-top: 8px;
    padding: 15px 18px;
    text-align: center;
  }

  .hero-grid,
  .intro-grid,
  .split-heading,
  .sector-panel,
  .model-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 74px;
  }

  .hero-visual {
    max-width: 560px;
  }

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

@media (max-width: 720px) {
  .site-header {
    min-height: 78px;
    padding: 0 18px;
  }

  .brand {
    grid-template-columns: 36px 1fr;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }

  .brand-name {
    font-size: 1.02rem;
  }

  .site-nav {
    top: 78px;
  }

  .hero {
    padding-top: 78px;
  }

  .hero-backdrop {
    inset: 78px 0 0;
    background:
      linear-gradient(180deg, rgba(245, 243, 236, 0.96), rgba(245, 243, 236, 0.9)),
      url("hero.png") center / cover;
  }

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

  h1 {
    font-size: clamp(2.6rem, 12vw, 4.4rem);
  }

  h2 {
    font-size: clamp(2.25rem, 10vw, 3.35rem);
  }

  .hero-statement {
    font-size: clamp(1.72rem, 8vw, 2.55rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .section,
  .sector-section,
  .contact-section {
    padding: 78px 0;
  }

  .intro-grid {
    padding: 64px 0;
  }

  .capability-grid,
  .model-steps,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .capability-card {
    min-height: 250px;
  }

  .card-index {
    margin-bottom: 42px;
  }

  .sector-panel {
    min-height: 0;
    padding: 38px 0;
  }

  .site-footer {
    flex-direction: column;
  }
}