:root {
  color-scheme: light;
  --ink: #121716;
  --muted: #5f6966;
  --line: #d9dfdc;
  --paper: #f7f8f4;
  --panel: #ffffff;
  --deep: #101817;
  --teal: #0c8f85;
  --green: #39b980;
  --copper: #b76d3b;
  --amber: #e0a944;
  --shadow: 0 18px 60px rgba(18, 23, 22, 0.12);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 56px);
  color: #ffffff;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    padding 180ms ease;
}

.site-header.is-scrolled,
.site-header.nav-open {
  padding-block: 12px;
  color: var(--ink);
  background: rgba(247, 248, 244, 0.94);
  border-bottom: 1px solid rgba(18, 23, 22, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  color: #06120f;
  background: linear-gradient(135deg, #ffffff, #71e2aa 48%, #d9a23d);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 9px 12px;
  border-radius: 8px;
  color: currentColor;
  font-size: 0.95rem;
  font-weight: 650;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  outline: none;
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.is-scrolled .site-nav a:focus-visible,
.site-header.nav-open .site-nav a:hover,
.site-header.nav-open .site-nav a:focus-visible {
  background: rgba(12, 143, 133, 0.1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: currentColor;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  grid-area: 1 / 1;
  transition: transform 180ms ease;
}

.nav-toggle span:first-child {
  transform: translateY(-4px);
}

.nav-toggle span:last-child {
  transform: translateY(4px);
}

.nav-open .nav-toggle span:first-child {
  transform: rotate(45deg);
}

.nav-open .nav-toggle span:last-child {
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 82svh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 116px clamp(20px, 5vw, 56px) 70px;
  color: #ffffff;
  background: var(--deep);
}

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

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 13, 12, 0.88) 0%, rgba(7, 13, 12, 0.66) 38%, rgba(7, 13, 12, 0.14) 100%),
    linear-gradient(0deg, rgba(7, 13, 12, 0.56), rgba(7, 13, 12, 0.08) 52%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #9af0c4;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(4.25rem, 9vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  line-height: 1.2;
}

p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-copy {
  width: min(610px, 100%);
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  line-height: 1.55;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 13px 18px;
  font-weight: 760;
  line-height: 1.1;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button.primary {
  color: #06120f;
  background: linear-gradient(135deg, #9af0c4, var(--amber));
}

.button.secondary {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.1);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: var(--max);
  margin: -34px auto 0;
  position: relative;
  z-index: 2;
  padding-inline: clamp(20px, 5vw, 0px);
}

.signal-strip div {
  min-height: 118px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid rgba(18, 23, 22, 0.08);
  box-shadow: var(--shadow);
}

.signal-strip div:first-child {
  border-radius: 8px 0 0 8px;
}

.signal-strip div:last-child {
  border-radius: 0 8px 8px 0;
}

.signal-strip strong,
.signal-strip span {
  display: block;
}

.signal-strip strong {
  margin-bottom: 8px;
}

.signal-strip span {
  color: var(--muted);
  line-height: 1.55;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 108px clamp(20px, 5vw, 0px);
}

.split,
.product {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 7vw, 86px);
  align-items: center;
}

.section-copy p {
  font-size: 1.04rem;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.focus-grid article {
  min-height: 204px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.focus-grid span {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--copper);
  font-size: 0.82rem;
  font-weight: 800;
}

.focus-grid p,
.principle-list p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

.product {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  padding-top: 40px;
}

.product-media img,
.principle-layout img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  line-height: 1.55;
}

.feature-list li::before {
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  content: "";
  box-shadow: 0 0 0 5px rgba(57, 185, 128, 0.14);
}

.principles {
  padding-top: 78px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.principle-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 28px;
  align-items: stretch;
}

.principle-layout img {
  height: 100%;
  object-fit: cover;
}

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

.principle-list article {
  padding: 24px;
  border-left: 4px solid var(--teal);
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(18, 23, 22, 0.06);
}

.contact-band {
  display: flex;
  max-width: var(--max);
  margin: 18px auto 0;
  padding: 54px clamp(20px, 5vw, 56px);
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(11, 21, 19, 0.96), rgba(10, 83, 77, 0.92)),
    var(--deep);
}

.contact-band h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.4rem);
}

.contact-band .eyebrow {
  color: #9af0c4;
}

.domain-link {
  color: rgba(255, 255, 255, 0.76);
  font-weight: 700;
}

.site-footer {
  display: flex;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px clamp(20px, 5vw, 0px) 38px;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer a {
  font-weight: 700;
}

@media (max-width: 860px) {
  .site-header {
    padding-inline: 18px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    padding: 12px 18px 18px;
    background: rgba(247, 248, 244, 0.97);
    color: var(--ink);
    border-bottom: 1px solid rgba(18, 23, 22, 0.1);
  }

  .nav-open .site-nav {
    display: grid;
  }

  .site-nav a {
    padding: 14px 12px;
  }

  .hero {
    min-height: 78svh;
    padding-top: 104px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(7, 13, 12, 0.9) 0%, rgba(7, 13, 12, 0.7) 58%, rgba(7, 13, 12, 0.34) 100%),
      linear-gradient(0deg, rgba(7, 13, 12, 0.62), rgba(7, 13, 12, 0.12));
  }

  h1 {
    font-size: clamp(3.5rem, 16vw, 5.4rem);
  }

  .signal-strip,
  .split,
  .product,
  .principle-layout {
    grid-template-columns: 1fr;
  }

  .signal-strip {
    margin-top: 0;
    padding-inline: 0;
  }

  .signal-strip div,
  .signal-strip div:first-child,
  .signal-strip div:last-child {
    border-radius: 0;
    box-shadow: none;
  }

  .section {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .product-media {
    order: 2;
  }

  .contact-band {
    display: grid;
  }
}

@media (max-width: 560px) {
  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

  .focus-grid article {
    min-height: 174px;
  }

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