.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  width: min(100%, calc(var(--content-max) + (var(--page-gutter) * 2)));
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-inline: auto;
  padding: var(--space-4) var(--page-gutter);
}

.brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1.2;
}

.brand__mark {
  width: 2.35rem;
  height: 2.35rem;
  padding: 0.38rem;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 0.3rem;
}

.brand__copy small {
  display: block;
  margin-top: 0.15rem;
  color: #9eb2d4;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.25rem, 2vw, 1.75rem);
}

.site-nav a {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-2);
  color: rgb(255 255 255 / 84%);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-lime);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: clamp(39rem, 78svh, 51rem);
  align-items: end;
  overflow: hidden;
  background: var(--color-page-deep);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: min(100%, calc(var(--content-max) + (var(--page-gutter) * 2)));
  margin-inline: auto;
  padding: 8.5rem var(--page-gutter) clamp(3.5rem, 8vh, 6.5rem);
}

.hero__copy {
  max-width: 41rem;
}

.hero__title {
  max-width: 11ch;
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 6.1rem);
  font-stretch: condensed;
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero__description {
  max-width: 31rem;
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: clamp(0.98rem, 2.5vw, 1.16rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero__scroll {
  display: none;
}

.section-shell {
  width: min(100%, calc(var(--content-max) + (var(--page-gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.philosophy {
  position: relative;
  z-index: 3;
  background: var(--color-surface);
  color: var(--color-ink);
}

.philosophy__inner {
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.philosophy__intro {
  max-width: 49rem;
  margin-inline: auto;
  text-align: center;
}

.section-title {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 4.3rem);
  font-weight: 820;
  letter-spacing: -0.055em;
  line-height: 1.08;
  text-wrap: balance;
}

.philosophy__intro > p:last-child {
  max-width: 39rem;
  margin: var(--space-6) auto 0;
  color: var(--color-ink-muted);
}

.principles {
  display: grid;
  gap: var(--space-4);
  margin-top: clamp(3rem, 8vw, 5rem);
}

.principle {
  min-height: 14rem;
  padding: var(--space-8);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 66%);
}

.principle__number {
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.principle h3 {
  margin-top: var(--space-12);
  font-size: 1.35rem;
  letter-spacing: -0.035em;
}

.principle p:last-child {
  margin-top: var(--space-3);
  color: var(--color-ink-muted);
  font-size: 0.92rem;
}

.projects {
  background: linear-gradient(135deg, var(--color-page) 0%, #061d42 55%, var(--color-page) 100%);
}

.projects__inner {
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.section-heading .section-title {
  margin-top: var(--space-2);
}

.project-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.project-card {
  position: relative;
  isolation: isolate;
  min-width: 0;
  min-height: 19rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.project-card__body {
  position: absolute;
  z-index: 3;
  inset: auto 0 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: var(--space-3);
  padding: var(--space-6);
}

.project-card__index {
  color: var(--color-lime);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1;
}

.project-card__meta {
  min-width: 0;
}

.project-card__meta p {
  color: #94a8c9;
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.project-card h3 {
  margin-top: 0.2rem;
  font-size: clamp(1.05rem, 5vw, 1.38rem);
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.project-card__link {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 45%);
  border-radius: 999px;
  font-size: 1.1rem;
  transition: color var(--transition-fast), border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.project-card__link:hover {
  border-color: var(--color-lime);
  background: var(--color-lime);
  color: var(--color-ink);
}

.contact-zone {
  background: var(--color-surface);
  color: var(--color-ink);
}

.contact-grid {
  display: grid;
  gap: var(--space-4);
  padding-block: clamp(4.5rem, 10vw, 7rem);
}

.join-us,
.notices {
  padding: clamp(2rem, 7vw, 4rem);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  background: #ffffff;
}

.join-us .section-title {
  max-width: 12ch;
}

.join-us__copy {
  max-width: 33rem;
  margin-top: var(--space-6);
  color: var(--color-ink-muted);
}

.join-us .button-link {
  margin-top: var(--space-8);
}

.notices__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.notices h2 {
  margin-top: var(--space-2);
  font-size: 1.65rem;
  letter-spacing: -0.04em;
}

.notice-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.notice-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  font-size: 0.86rem;
}

.notice-list time {
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-page-deep);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8);
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.site-footer .brand,
.site-footer__contact {
  color: var(--color-text);
}

.site-footer__contact {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-weight: 700;
}

@media (min-width: 48rem) {
  .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .site-footer__inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
}

@media (min-width: 56.25rem) {
  .site-header {
    min-height: 6rem;
    padding-block: var(--space-6);
  }

  .brand__mark {
    width: 2.75rem;
    height: 2.75rem;
  }

  .site-nav a {
    font-size: 0.76rem;
  }

  .hero {
    min-height: clamp(43rem, 82vh, 57rem);
  }

  .hero__inner {
    display: grid;
    min-height: inherit;
    align-items: center;
    padding-top: 9rem;
    padding-bottom: 5rem;
  }

  .hero__title {
    font-size: clamp(4.6rem, 7vw, 7.2rem);
  }

  .hero__scroll {
    position: absolute;
    inset: auto var(--page-gutter) 2.5rem auto;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
  }

  .hero__scroll::after {
    width: 3.5rem;
    height: 1px;
    background: currentColor;
    content: "";
  }

  .project-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .project-card {
    min-height: clamp(17rem, 24vw, 22rem);
  }

  .project-card__body {
    grid-template-columns: 1fr auto;
    padding: var(--space-4);
  }

  .project-card__index {
    grid-column: 1 / -1;
  }

  .project-card__meta p {
    font-size: 0.58rem;
  }
}