:root {
  --ink: #101412;
  --paper: #f3efe6;
  --acid: #b8da3c;
  --header-height: 76px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 clamp(22px, 5vw, 78px);
  color: #fff;
  background: linear-gradient(to bottom, rgba(13, 18, 15, .68), transparent);
  transition: background .3s, box-shadow .3s;
}

.site-header.is-scrolled {
  background: rgba(20, 25, 22, .94);
  box-shadow: 0 8px 40px #0003;
  backdrop-filter: blur(12px);
}

.site-header nav {
  display: flex;
  gap: clamp(18px, 3vw, 42px);
}

.site-header nav a {
  position: relative;
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--acid);
  transform: scaleX(0);
  transition: transform .2s;
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after { transform: scaleX(1); }

.menu-logo {
  width: 0;
  height: 50px;
  margin-left: 0;
  opacity: 0;
  transform: translateY(-18px) scale(.7);
  pointer-events: none;
  transition: width .35s, margin-left .35s, opacity .25s, transform .35s;
}

.menu-logo img {
  display: block;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  filter: drop-shadow(3px 4px 0 #0005);
}

.is-scrolled .menu-logo {
  width: 50px;
  margin-left: clamp(20px, 3vw, 42px);
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: #ffffff1f;
}

.menu-toggle i {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: clamp(30px, 6vw, 100px);
  padding: calc(var(--header-height) + 70px) clamp(24px, 7vw, 120px) 90px;
  color: #f7f1e5;
  background: radial-gradient(circle at 75% 50%, #b8da3c2b, transparent 28%), linear-gradient(135deg, #121814, #203a27 58%, #132118);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .23;
  background-image: radial-gradient(circle, #fff4 1px, transparent 1.5px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to right, transparent 38%, #000 80%);
}

.hero-copy,
.hero-logo-wrap { position: relative; z-index: 2; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--acid);
  font-size: 1rem;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.6rem, 8vw, 8.4rem);
  font-weight: 950;
  letter-spacing: -.045em;
  line-height: .95;
}

.hero-text {
  max-width: 720px;
  margin-top: 34px;
  color: #ffffffc7;
  font-size: clamp(1.08rem, 1.7vw, 1.38rem);
  line-height: 1.5;
}

.hero-text p { margin: 0 0 .8em; }

.hero-text strong {
  display: block;
  margin-top: 1.15em;
  color: var(--acid);
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
}

.hero-logo-wrap {
  justify-self: center;
  width: min(33vw, 650px);
  aspect-ratio: 1;
  transition: opacity .35s, transform .45s;
}

.page-scrolled .hero-logo-wrap {
  opacity: .15;
  transform: translateY(-55px) scale(.72);
}

.hero-logo {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  filter: drop-shadow(18px 24px 0 #0004);
}

.signal-ring {
  position: absolute;
  inset: -7%;
  border: 2px solid #b8da3c47;
  border-radius: 50%;
}

.ring-two { inset: -16%; opacity: .4; }

.site-footer {
  min-height: 190px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 54px clamp(24px, 7vw, 120px);
  color: #ffffffb8;
  background: #111512;
  font-size: .78rem;
}

.site-footer > div { display: flex; flex-direction: column; }
.site-footer strong { color: #fff; font-size: 1.1rem; letter-spacing: .12em; }

@media (max-width: 760px) {
  :root { --header-height: 66px; }
  body { font-size: 16px; }

  .site-header {
    justify-content: space-between;
    padding: 0 18px;
    background: #141916ed;
  }

  .menu-toggle { z-index: 2; display: block; }

  .site-header nav {
    position: absolute;
    inset: 0;
    min-height: 100svh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 100px 35px;
    background: #18221b;
    transform: translateY(-110%);
    transition: transform .3s;
  }

  .site-header nav.nav-open { transform: none; }
  .site-header nav a { font-size: 1.55rem; }

  .menu-logo { order: 3; }
  .is-scrolled .menu-logo { width: 43px; height: 43px; margin-left: auto; }
  .menu-logo img { width: 43px; height: 43px; }

  .hero {
    grid-template-columns: 1fr;
    align-content: center;
    padding: 110px 24px 70px;
  }

  .hero-copy { padding-top: 34vw; }

  .eyebrow { display: none !important; }

  .hero h1 {
    font-size: clamp(2.6rem, 12vw, 4rem);
  }

  .hero-logo-wrap {
    position: absolute;
    width: 41vw;
    right: 7vw;
    top: 105px;
  }

  .site-footer {
    min-height: 170px;
    align-items: flex-start;
    flex-direction: column;
    padding: 42px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}