:root {
  color-scheme: dark;
  --black: #050505;
  --ink: #f5f5f2;
  --muted: #8b8b87;
  --line: #282826;
  --panel: #11110f;
  --tuned: #9dffb7;
  --page-pad: clamp(22px, 5vw, 72px);
  font-family: "SFMono-Regular", "SF Mono", "IBM Plex Mono", ui-monospace, monospace;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--black);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--black);
  color: var(--ink);
  letter-spacing: 0;
}

a {
  color: inherit;
  text-underline-offset: 0.24em;
}

a:focus-visible {
  outline: 2px solid var(--tuned);
  outline-offset: 5px;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--page-pad);
  border-bottom: 1px solid rgb(255 255 255 / 10%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  text-transform: uppercase;
}

.brand img {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

nav {
  display: flex;
  gap: clamp(18px, 4vw, 40px);
}

nav a {
  color: #bdbdb8;
  font-size: 12px;
  text-decoration: none;
  text-transform: uppercase;
}

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

.hero {
  position: relative;
  min-height: min(920px, 96svh);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before,
.hero::after {
  position: absolute;
  z-index: 0;
  content: "";
  pointer-events: none;
}

.hero::before {
  top: 0;
  bottom: 0;
  left: 50%;
  border-left: 1px solid rgb(255 255 255 / 7%);
}

.hero::after {
  top: 52%;
  right: 0;
  left: 0;
  border-top: 1px solid rgb(255 255 255 / 7%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(620px, 52vw);
  padding-top: clamp(180px, 25vh, 270px);
  padding-left: var(--page-pad);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--tuned);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  max-width: 10ch;
  margin-bottom: 20px;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  font-size: clamp(56px, 8vw, 118px);
  font-weight: 650;
  line-height: 0.88;
}

.lede {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 25px);
}

.summary {
  max-width: 52ch;
  margin-bottom: 34px;
  color: #a1a19c;
  font-family: system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
}

.store-link {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  gap: 13px;
  padding: 9px 18px 10px 12px;
  border: 1px solid #444440;
  border-radius: 8px;
  background: #0d0d0c;
  color: var(--ink);
  font-family: system-ui, sans-serif;
  font-size: 19px;
  line-height: 1;
  text-decoration: none;
  transition: border-color 160ms ease-out, transform 160ms ease-out;
}

.store-link:hover {
  border-color: var(--tuned);
  transform: translateY(-2px);
}

.store-link small {
  display: block;
  margin-bottom: 4px;
  color: #9b9b96;
  font-size: 10px;
}

.store-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 9px;
  font-size: 18px;
  font-weight: 650;
}

.device {
  position: absolute;
  z-index: 1;
  top: clamp(120px, 14vh, 156px);
  right: clamp(34px, 8vw, 142px);
  width: min(390px, 29vw);
  padding: 7px;
  overflow: hidden;
  border: 1px solid #3b3b38;
  border-radius: 48px;
  background: #171715;
  box-shadow: 0 34px 90px rgb(0 0 0 / 50%);
  transform: rotate(2deg);
}

.device img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 41px;
}

.device-speaker {
  position: absolute;
  z-index: 2;
  top: 19px;
  left: 50%;
  width: 31%;
  height: 25px;
  border-radius: 16px;
  background: #050505;
  transform: translateX(-50%);
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 24px;
  left: var(--page-pad);
  display: flex;
  align-items: center;
  gap: 16px;
  color: #777772;
  font-size: 10px;
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue span {
  color: var(--tuned);
}

.principles {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(42px, 8vw, 120px);
  padding: clamp(86px, 12vw, 168px) var(--page-pad);
  border-bottom: 1px solid var(--line);
}

.section-heading h2,
.support h2,
.policy h1 {
  max-width: 13ch;
  margin-bottom: 0;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 580;
  line-height: 1;
}

.principle-list {
  border-top: 1px solid var(--line);
}

.principle-list article {
  display: grid;
  grid-template-columns: 46px 150px 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.principle-list article > span {
  color: var(--tuned);
  font-size: 10px;
}

.principle-list h3 {
  margin-bottom: 0;
  font-size: 15px;
}

.principle-list p,
.support p,
.policy-body p {
  margin-bottom: 0;
  color: #9a9a95;
  font-family: system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

.support {
  padding: clamp(86px, 12vw, 160px) var(--page-pad);
}

.support h2 {
  margin-bottom: 26px;
}

.support p {
  max-width: 670px;
  font-size: clamp(17px, 2.2vw, 25px);
}

.support p a,
.policy-body a {
  color: var(--ink);
}

.support .response-note {
  margin-top: 18px;
  color: #6f6f6b;
  font-size: 12px;
}

footer {
  display: flex;
  min-height: 78px;
  align-items: center;
  gap: 30px;
  justify-content: space-between;
  padding: 20px var(--page-pad);
  border-top: 1px solid var(--line);
  color: #70706c;
  font-size: 10px;
  text-transform: uppercase;
}

footer a {
  color: #aaa9a4;
  text-decoration: none;
}

.policy {
  display: grid;
  min-height: calc(100svh - 78px);
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(60px, 10vw, 160px);
  padding: clamp(160px, 19vw, 250px) var(--page-pad) 120px;
}

.policy-heading {
  position: sticky;
  top: 80px;
  align-self: start;
}

.policy-heading > p:last-child {
  margin-top: 28px;
  color: var(--tuned);
  font-family: system-ui, sans-serif;
  font-size: 18px;
}

.policy-body {
  border-top: 1px solid var(--line);
}

.policy-body section {
  padding: 30px 0 36px;
  border-bottom: 1px solid var(--line);
}

.policy-body h2 {
  margin-bottom: 14px;
  font-size: 14px;
}

@media (max-width: 820px) {
  .site-header {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .brand span {
    display: none;
  }

  .hero {
    min-height: 940px;
  }

  .hero-copy {
    width: auto;
    padding: 132px var(--page-pad) 0;
  }

  .hero-copy h1 {
    max-width: 7ch;
    font-size: clamp(54px, 16vw, 78px);
  }

  .summary {
    max-width: 38ch;
  }

  .device {
    top: 530px;
    right: -22px;
    width: min(280px, 66vw);
    border-radius: 38px;
    transform: rotate(3deg);
  }

  .device img {
    border-radius: 32px;
  }

  .device-speaker {
    top: 15px;
    height: 19px;
  }

  .principles,
  .policy {
    grid-template-columns: 1fr;
  }

  .principle-list article {
    grid-template-columns: 38px 100px 1fr;
  }

  .policy {
    gap: 56px;
    padding-top: 138px;
  }

  .policy-heading {
    position: static;
  }
}

@media (max-width: 520px) {
  nav {
    gap: 16px;
  }

  .hero {
    min-height: 860px;
  }

  .hero-copy {
    padding-top: 122px;
  }

  .summary {
    font-size: 14px;
  }

  .device {
    top: 550px;
    width: 220px;
  }

  .principle-list article {
    grid-template-columns: 28px 1fr;
  }

  .principle-list article p {
    grid-column: 2;
  }

  footer {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  footer span:nth-child(2) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .store-link {
    transition: none;
  }
}