:root {
  --bg: #faf9f6;
  --ink: #111111;
  --ink-soft: #4a4a48;
  --rule: #1111111a;
  --accent: #c8553d;
  --max: 72rem;
  --reading: 38rem;
  --serif: "Instrument Serif", "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
}
.nav__brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.nav__brand em { font-style: italic; color: var(--accent); }
.nav__links {
  display: flex;
  gap: 1.75rem;
  align-items: center;
  font-size: 0.9rem;
}
.nav__links a { color: var(--ink-soft); }
.nav__lang {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--rule);
  color: var(--ink-soft);
}
.nav__lang .is-active { color: var(--ink); font-weight: 500; }

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  font: inherit;
  cursor: pointer;
  color: var(--ink);
}

/* Hero */
.hero {
  padding: 8rem 0 6rem;
  border-bottom: 1px solid var(--rule);
}
.hero__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 2rem;
  max-width: 18ch;
}
.hero h1 em { color: var(--accent); font-style: italic; }
.hero__lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 0;
}
.hero__scroll {
  margin-top: 5rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Section */
.section {
  padding: 7rem 0;
  border-bottom: 1px solid var(--rule);
}
.section__marker {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 3rem;
}
.section__marker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 4rem;
  max-width: 24ch;
}

/* Manifesto */
.manifesto__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.manifesto__list li {
  padding: 2.5rem 2rem 2.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.manifesto__list li:nth-child(odd) {
  border-right: 1px solid var(--rule);
  padding-right: 2rem;
}
.manifesto__list li:nth-child(even) {
  padding-left: 2rem;
}
.manifesto__num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.75rem;
}
.manifesto__head {
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1.2;
  font-weight: 400;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
.manifesto__body {
  margin: 0;
  color: var(--ink-soft);
  max-width: 38ch;
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}
.process__step {
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink);
}
.process__step h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.35rem;
  margin: 0.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}
.process__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--accent);
}
.process__step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Services */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.service {
  padding: 2.5rem 1.5rem 2.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.service + .service { border-left: 1px solid var(--rule); padding-left: 1.5rem; }
.service h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
.service p { margin: 0; color: var(--ink-soft); }

/* Contact */
.contact { text-align: left; }
.contact__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 2.5rem;
  max-width: 18ch;
}
.contact__title em { color: var(--accent); font-style: italic; }
.contact__email {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.25rem;
}
.contact__email:hover { color: var(--accent); border-color: var(--accent); }
.contact__note {
  margin-top: 2.5rem;
  color: var(--ink-soft);
  max-width: 38rem;
}

/* Footer */
.footer {
  padding: 3rem 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    border-bottom: 1px solid var(--rule);
    gap: 1.25rem;
  }
  .nav__lang { padding-left: 0; border-left: 0; }
  .nav__toggle { display: block; }

  .hero { padding: 5rem 0 4rem; }
  .section { padding: 5rem 0; }

  .manifesto__list { grid-template-columns: 1fr; }
  .manifesto__list li,
  .manifesto__list li:nth-child(odd) {
    border-right: 0;
    padding: 2rem 0;
  }
  .manifesto__list li:nth-child(even) { padding-left: 0; }

  .process { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }

  .services { grid-template-columns: 1fr; }
  .service, .service + .service {
    border-left: 0;
    padding: 2rem 0;
  }
}

@media (max-width: 520px) {
  .process { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}