:root {
  color-scheme: light;
  --ink: #101615;
  --ink-soft: #283330;
  --paper: #fbfaf5;
  --paper-strong: #ffffff;
  --line: rgba(16, 22, 21, 0.14);
  --muted: #63706c;
  --teal: #00a8a8;
  --teal-dark: #006b6b;
  --green: #2f8a50;
  --orange: #d66f24;
  --yellow: #f0b72f;
  --shadow: 0 18px 48px rgba(16, 22, 21, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: rgba(251, 250, 245, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  flex: 0 0 auto;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.nav-links a {
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(0, 168, 168, 0.12);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(760px, 74svh);
  overflow: hidden;
  color: #f7fffc;
  background: #101615;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(16, 22, 21, 0.92), rgba(16, 22, 21, 0.62) 48%, rgba(16, 22, 21, 0.2));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--orange-deep);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--orange);
}

.hero-lede {
  max-width: 34rem;
  margin: 1.1rem 0 0;
  color: rgba(247, 255, 252, 0.84);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.8rem, 12vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.76rem 1rem;
  border: 1px solid rgba(247, 255, 252, 0.34);
  border-radius: 8px;
  color: #f7fffc;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  border-color: var(--yellow);
  color: #141414;
  background: var(--yellow);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

#promise,
#projects,
#principles {
  scroll-margin-top: 7.5rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.25fr);
  gap: clamp(1rem, 4vw, 4rem);
  align-items: start;
  margin-bottom: 1.4rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.promise-grid,
.project-grid,
.note-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.promise-item,
.project-card,
.note-grid article,
.principle-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-strong);
  box-shadow: 0 1px 0 rgba(16, 22, 21, 0.04);
}

.promise-item,
.note-grid article {
  padding: 1rem;
}

.promise-item h3,
.project-card h3,
.note-grid h3,
.principle-list h3 {
  margin: 0;
  font-size: 1.04rem;
  letter-spacing: 0;
}

.promise-item p,
.project-card p,
.note-grid p,
.principle-list p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.projects-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-card {
  display: flex;
  min-height: 15.5rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
}

.project-card.live {
  border-top: 4px solid var(--teal);
}

.project-card.planned {
  border-top: 4px solid var(--green);
}

.status {
  width: fit-content;
  padding: 0.22rem 0.45rem;
  border-radius: 6px;
  background: rgba(0, 168, 168, 0.12);
  color: var(--teal-dark);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.planned .status {
  background: rgba(47, 138, 80, 0.12);
  color: #276848;
}

.card-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 1.2rem;
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration: none;
}

.card-link::after {
  content: "->";
  margin-left: 0.4rem;
}

.principle-list {
  display: grid;
  gap: 0.75rem;
}

.principle-list article {
  display: grid;
  grid-template-columns: 4rem minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem;
}

.principle-list span {
  color: var(--orange-deep);
  font-size: 0.88rem;
  font-weight: 950;
}

.principle-list p {
  margin: 0;
}

.faq-section {
  padding-top: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 3vw, 2rem) 2rem;
  color: rgba(247, 255, 252, 0.82);
  background: var(--ink);
}

.site-footer div {
  display: grid;
  gap: 0.18rem;
}

.site-footer strong {
  color: #f7fffc;
}

.site-footer span {
  font-size: 0.85rem;
}

.site-footer nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.site-footer a {
  color: #f7fffc;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--yellow);
}

@media (max-width: 900px) {
  .section-heading,
  .principle-list article {
    grid-template-columns: 1fr;
  }

  .promise-grid,
  .project-grid,
  .note-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero::after {
    background: rgba(16, 22, 21, 0.78);
  }

  .hero-content {
    width: min(100% - 1.5rem, 720px);
  }

  .promise-grid,
  .project-grid,
  .note-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }
}

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

  .button:hover,
  .button:focus-visible {
    transform: none;
  }
}