:root {
  --ink: #111318;
  --muted: #626977;
  --paper: #faf8f3;
  --surface: #ffffff;
  --line: #ded8cd;
  --accent: #136f63;
  --accent-dark: #0c4b43;
  --gold: #c78b2f;
  --blue: #245b8f;
  --shadow: 0 24px 70px rgba(42, 33, 18, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(250, 248, 243, 0.9);
  border-bottom: 1px solid rgba(222, 216, 205, 0.74);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.hero-actions,
.product-identity,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(17, 19, 24, 0.16);
}

.nav {
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.section {
  padding: clamp(64px, 9vw, 118px) clamp(18px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.hero {
  display: grid;
  min-height: calc(100vh - 72px);
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
}

.page-hero {
  display: grid;
  min-height: 54vh;
  align-content: center;
}

.page-hero h1 {
  max-width: 980px;
  font-size: clamp(3rem, 7vw, 7rem);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 880px;
  margin-bottom: 26px;
  font-size: clamp(2.75rem, 8.1vw, 7.9rem);
  line-height: 0.91;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h3 {
  margin-bottom: 2px;
  font-size: 1.65rem;
  letter-spacing: 0;
}

.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-weight: 760;
  text-decoration: none;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

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

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

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

.button.ghost {
  color: var(--ink);
  background: transparent;
}

.text-link {
  align-self: end;
  color: var(--ink);
  font-weight: 800;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.signal-panel {
  position: relative;
  padding: 10px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.signal-panel::before {
  position: absolute;
  top: -10px;
  right: 18%;
  width: 80px;
  height: 10px;
  background: var(--gold);
  content: "";
}

.signal-line {
  display: grid;
  grid-template-columns: 52px 120px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.signal-line:last-child {
  border-bottom: 0;
}

.signal-line span {
  color: var(--blue);
  font-weight: 800;
}

.signal-line strong {
  font-size: 1.05rem;
}

.signal-line p {
  margin-bottom: 0;
  color: var(--muted);
}

.intro,
.future,
.contact,
.split,
.contact-layout,
.updates-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 88px);
  align-items: start;
}

.intro > p,
.future > p,
.contact p,
.updates-panel > p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.body-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.24rem);
}

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

.product-section {
  background: var(--surface);
}

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

.product {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.product-identity {
  gap: 18px;
}

.product-identity img {
  border-radius: 16px;
  box-shadow: 0 14px 30px rgba(19, 111, 99, 0.22);
}

.product-identity p,
.product-copy {
  margin-bottom: 0;
  color: var(--muted);
}

.product-copy {
  font-size: 1.08rem;
}

.product-feature {
  grid-template-columns: minmax(260px, 0.5fr) minmax(0, 1fr) auto;
}

.future {
  background: #eef3ee;
}

.principles {
  background: var(--surface);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.principle-grid article {
  min-height: 260px;
  padding: clamp(24px, 4vw, 38px);
  background: var(--surface);
}

.principle-grid span {
  display: block;
  margin-bottom: 36px;
  color: var(--blue);
  font-weight: 800;
}

.principle-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-card {
  padding: clamp(28px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.contact-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-card a {
  display: block;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2.6rem);
  font-weight: 800;
  text-decoration: none;
}

.contact-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact {
  background: var(--ink);
  color: #fff;
}

.contact .eyebrow {
  color: #89d5c9;
}

.contact p {
  color: #c9ced8;
}

.contact-link {
  justify-self: end;
  align-self: center;
  color: #fff;
  font-size: clamp(1.3rem, 3vw, 2.4rem);
  font-weight: 800;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-link:hover {
  color: #89d5c9;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 5vw, 72px);
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 900px) {
  .hero,
  .intro,
  .future,
  .contact,
  .split,
  .contact-layout,
  .updates-panel,
  .product,
  .product-feature {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .contact-link {
    justify-self: start;
  }

  .product {
    align-items: start;
  }

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

@media (max-width: 640px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .nav a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .signal-line {
    grid-template-columns: 42px 1fr;
  }

  .signal-line p {
    grid-column: 2;
  }

  .button {
    width: 100%;
  }

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

@media (max-width: 380px) {
  .section {
    padding: 48px 14px;
  }

  h1,
  .page-hero h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.78rem;
  }

  .product {
    padding: 20px;
  }
}