:root {
  color-scheme: light;
  --ink: #080b11;
  --muted: #5f6670;
  --quiet: #8b929b;
  --line: #d9dde2;
  --line-soft: #edf0f2;
  --paper: #ffffff;
  --accent: #a67c00;
  --accent-soft: #c7a24c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.55 Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
}

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

.page {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  padding: 44px 0 58px;
}

.intro {
  padding-bottom: 24px;
}

.brand-row {
  display: grid;
  grid-template-columns: minmax(250px, 360px) minmax(280px, 1fr);
  align-items: center;
  gap: clamp(34px, 6vw, 96px);
  margin-bottom: 26px;
}

.logo {
  width: min(360px, 100%);
  height: auto;
}

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

h1 {
  max-width: 520px;
  margin-bottom: 0;
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 790px;
  margin-bottom: 0;
  color: #20242a;
  font-size: clamp(18px, 1.9vw, 24px);
  line-height: 1.36;
}

.signal-band {
  position: relative;
  overflow: hidden;
  height: clamp(118px, 12vw, 154px);
  margin: 38px 0 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.signal-band::before,
.signal-band::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.signal-band::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .98), rgba(255, 255, 255, .74) 18%, rgba(255, 255, 255, .62) 50%, rgba(255, 255, 255, .82) 82%, rgba(255, 255, 255, .98)),
    linear-gradient(180deg, rgba(255, 255, 255, .9), transparent 38%, transparent 62%, rgba(255, 255, 255, .92));
  z-index: 1;
}

.signal-band::after {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background:
    repeating-linear-gradient(90deg, rgba(8, 11, 17, .42) 0 2px, transparent 2px 18px),
    linear-gradient(90deg, transparent, rgba(8, 11, 17, .36), transparent);
  opacity: .36;
  z-index: 2;
}

.signal-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 50%;
  opacity: .46;
  filter: saturate(.42) contrast(.86) brightness(1.16);
}

.signal-band .signal-study {
  position: absolute;
  inset: 0 0 0 auto;
  width: 38%;
  object-position: 60% center;
  opacity: .055;
  filter: saturate(.25) contrast(.88) brightness(1.2);
  mix-blend-mode: multiply;
  z-index: 1;
}

.principles {
  margin-bottom: 42px;
}

h2 {
  margin-bottom: 18px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.principle-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  padding-top: 30px;
}

.principle-grid::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(520px, 100%);
  height: 18px;
  background:
    linear-gradient(var(--accent), var(--accent)) 0 4px / 2px 14px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 30px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 60px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 90px 2px / 3px 16px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 120px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 150px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 180px 0 / 3px 18px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 210px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 240px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 270px 4px / 3px 14px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 300px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 330px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 360px 0 / 3px 18px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 390px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 420px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 450px 2px / 3px 16px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 480px 10px / 2px 8px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 510px 4px / 2px 14px no-repeat;
  opacity: .58;
}

.principle-grid p {
  margin-bottom: 0;
  color: #252a31;
  font-size: 16px;
  line-height: 1.52;
}

.screens {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 48px;
}

.screens img {
  width: 100%;
  height: clamp(155px, 18vw, 216px);
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7f8f9;
  filter: saturate(.72) contrast(.94) brightness(1.02);
}

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding-top: 20px;
  color: var(--quiet);
  font-size: 13px;
}

.site-footer p {
  max-width: 760px;
  margin-bottom: 12px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.site-footer a {
  color: #4a515a;
}

.subpage {
  max-width: 840px;
}

.subpage-header {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-bottom: 42px;
}

.subpage-header .logo {
  width: 240px;
}

.subpage h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
}

.subpage .section {
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
  margin-top: 32px;
}

@media (max-width: 820px) {
  .page {
    width: calc(100% - 30px);
    padding: 32px 0 44px;
  }

  .brand-row {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 24px;
  }

  .logo {
    width: min(292px, 100%);
  }

  h1 {
    font-size: clamp(28px, 9vw, 40px);
  }

  .lead {
    font-size: 18px;
  }

  .signal-band {
    height: 106px;
    margin: 30px 0 38px;
  }

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

  .principle-grid {
    gap: 18px;
  }

  .principle-grid::before {
    width: min(315px, 100%);
    background:
      linear-gradient(var(--accent), var(--accent)) 0 4px / 2px 14px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 26px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 52px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 78px 2px / 3px 16px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 104px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 130px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 156px 0 / 3px 18px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 182px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 208px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 234px 4px / 3px 14px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 260px 10px / 2px 8px no-repeat,
      linear-gradient(var(--accent), var(--accent)) 286px 4px / 2px 14px no-repeat;
  }

  .screens {
    gap: 14px;
  }

  .screens img {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .subpage-header {
    display: block;
  }

  .subpage-header .logo {
    width: 220px;
    margin-bottom: 24px;
  }
}