:root {
  color-scheme: light;
  --paper: #f4f3ee;
  --paper-strong: #ffffff;
  --ink: #10100f;
  --muted: #66635d;
  --line: #cbc8bf;
  --signal: #e34224;
  --signal-dark: #bf2e17;
  --max-width: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-footer,
main {
  width: min(100%, var(--max-width));
  margin-inline: auto;
}

.site-header {
  min-height: 6rem;
  padding: 1rem var(--gutter);
  border-bottom: 1px solid var(--ink);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
}

.brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  fill: var(--signal);
}

.brand-mark path {
  fill: none;
  stroke: white;
  stroke-linecap: round;
  stroke-width: 2.25;
}

.site-nav {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.75rem);
}

.site-nav a {
  padding-block: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3rem;
  text-transform: uppercase;
}

.status-chip {
  justify-self: end;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(26rem, 0.92fr);
  border-bottom: 1px solid var(--ink);
}

.hero-copy {
  padding: clamp(4.5rem, 9vw, 8.5rem) var(--gutter) clamp(4rem, 7vw, 7rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.section-index {
  margin: 0 0 1.5rem;
  color: var(--signal-dark);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 9ch;
  margin-bottom: 2rem;
  font-size: clamp(4.2rem, 7.7vw, 7.5rem);
  font-weight: 760;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.hero-summary {
  max-width: 32rem;
  margin-bottom: 2.5rem;
  color: #3e3c38;
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.button {
  min-height: 3.5rem;
  padding: 0.95rem 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

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

.button-primary:hover {
  background: var(--signal);
  border-color: var(--signal);
  transform: translateY(-2px);
}

.text-link {
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35rem;
}

.hero-visual {
  min-height: 100%;
  position: relative;
  border-left: 1px solid var(--ink);
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.grid-field {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: #ebeae5;
  background-image:
    linear-gradient(rgba(16, 16, 15, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 16, 15, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
}

.grid-field::after {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.8), transparent 58%);
  content: "";
}

.watch {
  width: min(56%, 20rem);
  aspect-ratio: 0.82;
  position: relative;
  border: clamp(0.65rem, 1vw, 0.9rem) solid #191918;
  border-radius: 27%;
  background: #191918;
  box-shadow: 0 2rem 4rem rgba(16, 16, 15, 0.16);
  transform: rotate(-3deg);
}

.watch::before,
.watch::after {
  position: absolute;
  left: 25%;
  z-index: -1;
  width: 50%;
  height: 40%;
  border: 1px solid rgba(16, 16, 15, 0.28);
  background: #d8d6cf;
  content: "";
}

.watch::before {
  bottom: 88%;
  border-radius: 40% 40% 0 0;
}

.watch::after {
  top: 88%;
  border-radius: 0 0 40% 40%;
}

.watch-crown {
  position: absolute;
  top: 25%;
  left: calc(100% + 0.6rem);
  width: 0.65rem;
  height: 18%;
  border-radius: 0 0.25rem 0.25rem 0;
  background: #191918;
}

.watch-screen {
  width: 100%;
  height: 100%;
  padding: 1.2rem 1rem 1.1rem;
  border-radius: 22%;
  background: #080808;
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.watch-meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  color: #aaa9a5;
  font-size: clamp(0.48rem, 0.8vw, 0.66rem);
  font-weight: 600;
}

.watch-person {
  margin: 1.5rem 0 1rem;
  font-size: clamp(0.9rem, 1.4vw, 1.2rem);
  font-weight: 650;
}

.talk-control {
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--signal);
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.45rem;
  box-shadow: 0 0 0 0.45rem rgba(227, 66, 36, 0.12);
}

.talk-control svg {
  width: 28%;
  fill: none;
  stroke: white;
  stroke-linecap: round;
  stroke-width: 1.7;
}

.talk-control span {
  font-size: clamp(0.45rem, 0.8vw, 0.65rem);
  font-weight: 720;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.watch-state {
  margin: auto 0 0;
  color: #aaa9a5;
  font-size: clamp(0.5rem, 0.8vw, 0.68rem);
}

.watch-state span {
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.25rem;
  border-radius: 50%;
  display: inline-block;
  background: #67bd75;
}

.visual-note {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  margin: 0;
  font-size: 0.68rem;
  font-weight: 720;
  letter-spacing: 0.1em;
  line-height: 1.5;
  text-align: right;
  text-transform: uppercase;
}

.section {
  padding: clamp(5rem, 9vw, 8rem) var(--gutter);
  border-bottom: 1px solid var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(10rem, 0.6fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: start;
}

.section-heading h2,
.status-panel h2 {
  max-width: 12ch;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  font-size: clamp(2.6rem, 5vw, 5rem);
  font-weight: 720;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.step-grid {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
}

.step-grid li {
  min-height: 17rem;
  padding: 1.5rem;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
}

.step-grid li:last-child {
  border-right: 0;
}

.step-number {
  color: var(--signal-dark);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.step-grid h3,
.principle-grid h3 {
  margin: auto 0 0.75rem;
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  letter-spacing: -0.04em;
}

.step-grid p,
.principle-grid p {
  max-width: 27ch;
  margin-bottom: 0;
  color: var(--muted);
}

.principles {
  background: var(--ink);
  color: white;
}

.principles .section-index {
  color: #ff7358;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
}

.principle-grid article {
  min-height: 20rem;
  display: flex;
  flex-direction: column;
}

.principle-mark {
  width: 3rem;
  height: 3rem;
  border: 1px solid #77756f;
  display: grid;
  place-items: center;
  color: #aaa9a5;
  font-size: 0.72rem;
}

.principle-grid p {
  color: #b9b7b1;
}

.status-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.9fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.status-panel h2 {
  margin-bottom: 0;
}

.status-copy {
  padding-top: 3rem;
  border-top: 0.6rem solid var(--signal);
}

.status-copy > p:first-child {
  margin-bottom: 3rem;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.5;
}

.status-date {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer {
  min-height: 15rem;
  padding: 3rem var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: space-between;
  gap: 2rem;
}

.site-footer > p {
  justify-self: end;
}

.site-footer .legal {
  grid-column: 1 / -1;
  justify-self: start;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.error-page {
  min-height: 100svh;
  padding: clamp(2rem, 6vw, 5rem) var(--gutter);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: clamp(5rem, 15vh, 10rem);
}

.error-page > div {
  align-self: start;
}

.error-page h1 {
  max-width: 11ch;
}

a:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

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

  .hero-visual {
    min-height: 38rem;
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .watch {
    width: min(52%, 18rem);
  }
}

@media (max-width: 680px) {
  :root {
    --gutter: 1.25rem;
  }

  .site-header {
    min-height: 5rem;
  }

  .brand-mark {
    width: 2.2rem;
    height: 2.2rem;
  }

  .status-chip {
    padding: 0;
    border: 0;
    font-size: 0.62rem;
    text-align: right;
    white-space: nowrap;
  }

  .hero {
    min-height: 0;
  }

  .hero-copy {
    padding-top: 4.5rem;
    padding-bottom: 4rem;
  }

  h1 {
    margin-bottom: 1.75rem;
    font-size: clamp(3.8rem, 18vw, 5rem);
  }

  .hero-summary {
    font-size: 1.05rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .text-link {
    width: fit-content;
  }

  .hero-visual {
    min-height: 34rem;
  }

  .watch {
    width: min(62%, 15.5rem);
  }

  .visual-note {
    right: 1.25rem;
    bottom: 1.25rem;
  }

  .section-heading,
  .status-panel {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .section-heading h2,
  .status-panel h2 {
    margin-bottom: 3rem;
    font-size: clamp(2.8rem, 13vw, 4rem);
  }

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

  .step-grid li {
    min-height: 13rem;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .step-grid li:last-child {
    border-bottom: 0;
  }

  .principle-grid {
    gap: 0;
  }

  .principle-grid article {
    min-height: 16rem;
    padding-block: 2rem;
    border-top: 1px solid #4c4b47;
  }

  .status-copy {
    padding-top: 2rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer > p {
    justify-self: start;
  }

  .site-footer .legal {
    grid-column: auto;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
