:root {
  --ink: #151918;
  --deep: #1c221f;
  --paper: #f3eee4;
  --surface: #fffaf2;
  --surface-muted: #ebe3d7;
  --line: #d4c8b8;
  --muted: #66716a;
  --moss: #536a57;
  --steel: #526b73;
  --copper: #a7673f;
  --copper-deep: #875234;
  --white: #fffdf8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.topbar {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  min-height: 70px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(18px, 4vw, 56px);
  color: var(--white);
  background: rgba(21, 25, 24, 0.76);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 112px;
  min-height: 34px;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2.7vw, 32px);
  color: rgba(255, 253, 248, 0.8);
  font-size: 14px;
}

nav a:hover,
nav a:focus-visible,
.topbar-action:hover,
.topbar-action:focus-visible {
  color: var(--white);
}

.topbar-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 15px;
  color: rgba(255, 253, 248, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 4px;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 91svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 112px clamp(20px, 6vw, 78px) 76px;
  color: var(--white);
}

.hero > img,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(15, 18, 17, 0.94) 0%, rgba(21, 25, 24, 0.82) 44%, rgba(21, 25, 24, 0.2) 100%),
    linear-gradient(0deg, rgba(83, 106, 87, 0.18), rgba(15, 18, 17, 0.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(800px, 100%);
}

.hero-logo {
  display: block;
  position: relative;
  inset: auto;
  width: clamp(150px, 18vw, 245px);
  height: auto;
  object-fit: contain;
  margin-bottom: 30px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--moss);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow,
.partners .eyebrow {
  color: #dba36f;
}

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

h1 {
  max-width: 850px;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 0.98;
  font-weight: 660;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(30px, 4.5vw, 58px);
  line-height: 1.04;
  font-weight: 650;
  letter-spacing: 0;
}

h3 {
  font-size: 21px;
  line-height: 1.15;
}

.hero-content > p {
  max-width: 670px;
  margin-top: 26px;
  color: rgba(255, 253, 248, 0.82);
  font-size: clamp(17px, 2vw, 21px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 4px;
  font-weight: 730;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

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

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--copper);
}

.button.ghost {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.34);
}

.opening,
.model,
.channels,
.partners-inner,
.contact {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.opening {
  display: grid;
  grid-template-columns: minmax(180px, 300px) 1fr;
  gap: clamp(30px, 7vw, 90px);
  align-items: start;
  padding: 96px 0 76px;
  border-bottom: 1px solid var(--line);
}

.opening h2 {
  max-width: 980px;
}

.opening-mark {
  position: sticky;
  top: 110px;
  padding-top: 8px;
}

.opening-mark img {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
}

.opening-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 70px);
  max-width: 1050px;
  margin-top: 36px;
  color: var(--muted);
  font-size: 19px;
}

.model {
  padding: 88px 0 96px;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.model-grid article {
  min-height: 300px;
  padding: 26px;
  background: var(--surface);
}

.model-grid span {
  display: block;
  margin-bottom: 50px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 820;
}

.model-grid h3 {
  margin-bottom: 14px;
}

.model-grid p,
.channels p,
.partners p,
.contact p {
  color: var(--muted);
}

.channels {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(30px, 7vw, 90px);
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

.channel-list {
  display: grid;
}

.channel-list div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
}

.channel-list div:last-child {
  border-bottom: 1px solid var(--line);
}

.channel-list strong {
  font-size: 18px;
}

.partners {
  padding: 88px 0;
  color: var(--white);
  background: var(--deep);
}

.partners-inner {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 480px);
  gap: clamp(28px, 7vw, 88px);
  align-items: end;
}

.partners p {
  color: rgba(255, 253, 248, 0.77);
  font-size: 19px;
}

.contact {
  display: grid;
  grid-template-columns: 1fr minmax(290px, 440px);
  gap: 32px;
  align-items: stretch;
  padding: 90px 0 104px;
}

.contact > div p {
  margin-top: 18px;
  font-size: 18px;
}

.contact-card {
  display: flex;
  min-height: 180px;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  transition: transform 160ms ease, border-color 160ms ease;
}

.contact-card:hover,
.contact-card:focus-visible {
  border-color: var(--copper);
}

.contact-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-card strong {
  overflow-wrap: anywhere;
  font-size: clamp(22px, 3vw, 31px);
}

footer {
  min-height: 84px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(20px, 6vw, 76px);
  color: rgba(255, 253, 248, 0.72);
  background: #111413;
}

footer strong,
footer a {
  color: var(--white);
}

footer img {
  display: block;
  width: 104px;
  height: auto;
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  nav {
    display: none;
  }

  .section-heading,
  .opening,
  .opening-copy,
  .channels,
  .partners-inner,
  .contact {
    grid-template-columns: 1fr;
  }

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

  .opening-mark {
    position: static;
    padding-top: 0;
  }

  .opening-mark img {
    max-width: 190px;
  }
}

@media (max-width: 640px) {
  .topbar {
    min-height: 64px;
    padding: 0 16px;
  }

  .brand {
    width: 86px;
  }

  .topbar-action {
    min-height: 34px;
    padding: 0 12px;
  }

  .hero {
    min-height: 88svh;
    padding: 92px 20px 56px;
  }

  .hero-logo {
    width: 132px;
    margin-bottom: 22px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(15, 18, 17, 0.95) 0%, rgba(21, 25, 24, 0.88) 70%, rgba(21, 25, 24, 0.54) 100%),
      linear-gradient(0deg, rgba(83, 106, 87, 0.16), rgba(15, 18, 17, 0.08));
  }

  .opening,
  .model,
  .channels,
  .partners-inner,
  .contact {
    width: min(100% - 28px, 1180px);
  }

  .opening,
  .model,
  .channels,
  .contact {
    padding-top: 68px;
    padding-bottom: 68px;
  }

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

  .model-grid article {
    min-height: auto;
  }

  .model-grid span {
    margin-bottom: 34px;
  }

  .channel-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}