:root {
  --paper: #f2f0e9;
  --ink: #171915;
  --muted: #6f716b;
  --line: #c9c8bf;
  --accent: #ee5f3b;
  --acid: #dff46f;
  --display: "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
  --body: "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 28px clamp(24px, 4vw, 64px);
}

.brand {
  display: inline-flex;
  align-items: flex-start;
  gap: 5px;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.08em;
}

.brand-dot {
  width: 7px;
  height: 7px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--accent);
}

nav {
  display: flex;
  gap: clamp(20px, 3vw, 44px);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

nav a,
.contact-link {
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

nav a:hover,
nav a:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  text-decoration-line: underline;
}

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 128px clamp(24px, 4vw, 64px) 48px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  position: absolute;
  top: 115px;
  left: clamp(24px, 4vw, 64px);
  display: flex;
  gap: 32px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  font-family: var(--display);
  font-size: clamp(3.4rem, 9.4vw, 9rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

h1 span,
.about h2 span {
  display: block;
}

.hero-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: clamp(48px, 7vh, 90px);
}

.hero-copy {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.5;
}

.round-link {
  display: flex;
  width: 112px;
  height: 112px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.round-link .arrow {
  margin-left: 5px;
  font-size: 1rem;
}

.round-link:hover,
.round-link:focus-visible {
  background: var(--ink);
  color: var(--paper);
  transform: rotate(-5deg);
}

.orbit {
  position: absolute;
  z-index: 1;
  top: 17%;
  right: -3vw;
  width: clamp(260px, 34vw, 520px);
  aspect-ratio: 1;
  border: 1px solid rgba(23, 25, 21, 0.32);
  border-radius: 50%;
}

.orbit::before,
.orbit::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.orbit::before {
  inset: 16%;
  border: 1px dashed rgba(23, 25, 21, 0.25);
}

.orbit::after {
  top: 8%;
  left: 14%;
  width: 19px;
  height: 19px;
  background: var(--accent);
  box-shadow: 0 0 0 8px var(--paper);
}

.orbit-core {
  position: absolute;
  inset: 39%;
  border-radius: 50%;
  background: var(--acid);
}

.orbit-label {
  position: absolute;
  top: 50%;
  left: -7%;
  padding: 4px 8px;
  background: var(--paper);
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.13em;
}

.about,
.note {
  padding: clamp(84px, 11vw, 160px) clamp(24px, 4vw, 64px);
}

.section-index {
  margin-bottom: 56px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-content {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.65fr);
  gap: 8vw;
  align-items: end;
}

.about h2 {
  font-size: clamp(2.5rem, 6vw, 6.4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.about-copy {
  display: grid;
  gap: 24px;
  color: #3e403b;
  font-size: 0.98rem;
  line-height: 1.8;
}

.about-copy p + p {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.note {
  padding-top: 0;
}

.note-card {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  padding: clamp(32px, 5vw, 72px);
  background: var(--ink);
  color: var(--paper);
}

.note-card::after {
  position: absolute;
  right: -12%;
  bottom: -55%;
  width: min(60vw, 760px);
  aspect-ratio: 1;
  border: 1px solid rgba(242, 240, 233, 0.36);
  border-radius: 50%;
  box-shadow:
    0 0 0 80px rgba(242, 240, 233, 0.04),
    0 0 0 160px rgba(242, 240, 233, 0.025);
  content: "";
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #b9bbb4;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 5px rgba(223, 244, 111, 0.12);
}

.note-card h2 {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 100px 0 40px;
  font-size: clamp(3rem, 7.4vw, 7.4rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.note-card > p:last-child {
  position: relative;
  z-index: 1;
  max-width: 430px;
  color: #b9bbb4;
  font-size: 1rem;
  line-height: 1.6;
}

footer {
  display: flex;
  min-height: 360px;
  align-items: flex-end;
  justify-content: space-between;
  padding: 72px clamp(24px, 4vw, 64px) 48px;
  border-top: 1px solid var(--line);
}

.footer-label {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-link {
  font-size: clamp(2rem, 5.2vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.footer-meta {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  .site-header {
    padding-top: 22px;
  }

  nav {
    gap: 18px;
    font-size: 0.66rem;
  }

  .hero {
    justify-content: flex-end;
    padding-bottom: 32px;
  }

  .eyebrow {
    top: 105px;
    flex-direction: column;
    gap: 7px;
  }

  h1 {
    font-size: clamp(3.3rem, 16vw, 5.2rem);
  }

  .orbit {
    top: 20%;
    right: -29%;
    width: 92vw;
    opacity: 0.72;
  }

  .hero-bottom {
    align-items: flex-end;
    margin-top: 48px;
  }

  .hero-copy {
    max-width: 230px;
    font-size: 0.88rem;
  }

  .round-link {
    width: 80px;
    height: 80px;
    font-size: 0.59rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .about h2 {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .note-card {
    min-height: 520px;
  }

  .note-card h2 {
    margin-top: 110px;
    font-size: clamp(3.2rem, 15vw, 5rem);
  }

  footer {
    min-height: 320px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 72px;
  }

  .contact-link {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }
}

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

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