/* Estover visual system — ink / vellum / black · Fraunces + Space Grotesk */
:root {
  --ink: #292a2c;
  --vellum: #f2f2f2;
  --black: #000000;
  --pad: 1.5rem;
  --pad-lg: 2.5rem;
  --section-y: 5rem;
  --ease: cubic-bezier(.2, .7, .3, 1);
  --font-serif: "Fraunces", "Songti SC", "Noto Serif SC", serif;
  --font-sans: "Space Grotesk", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--vellum);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-decoration: none; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--black);
  color: var(--vellum);
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-optical-sizing: auto;
}
.sans {
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.full-bleed {
  width: 100%;
  padding-left: var(--pad);
  padding-right: var(--pad);
}
@media (min-width: 640px) {
  .full-bleed { padding-left: var(--pad-lg); padding-right: var(--pad-lg); }
}

.link-underline {
  border-bottom: 1px solid var(--black);
  padding-bottom: 2px;
  transition: opacity 180ms ease;
}
.link-underline:hover { opacity: 0.6; }

.vert-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 460ms var(--ease), transform 460ms var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }

.media-hover { transition: transform 220ms ease; }
.media-hover:hover,
.media-hover:focus-within { transform: scale(1.02); }

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

.frame {
  border: 1px solid var(--ink);
  overflow: hidden;
  background: var(--ink);
}
.frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  vertical-align: middle;
}

.section-rule { border-top: 1px solid var(--ink); }
.section-pad { padding-top: var(--section-y); padding-bottom: var(--section-y); }
@media (min-width: 640px) {
  .section-pad { padding-top: 7.5rem; padding-bottom: 7.5rem; }
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
.section-label { font-size: 15px; }

/* —— Header —— */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: -0.036em;
  line-height: 1.1;
}
.brand small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  opacity: 0.65;
  margin-top: 0.15rem;
}

.main-nav {
  display: none;
  align-items: center;
  gap: 2rem;
  font-size: 0.875rem;
}
.main-nav a { transition: opacity 180ms ease; }
.main-nav a:hover { opacity: 0.6; }

.header-cta { font-size: 0.875rem; }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
}
.menu-toggle span {
  display: block;
  width: 1rem;
  height: 1px;
  background: currentColor;
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
}
.menu-toggle span::before { top: -5px; }
.menu-toggle span::after { top: 5px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

.mobile-nav {
  display: none;
  width: 100%;
  flex-basis: 100%;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 0.5rem;
  border-top: 1px solid var(--ink);
  padding-top: 1rem;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  font-size: 0.95rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(41, 42, 44, 0.15);
}

@media (min-width: 900px) {
  .main-nav { display: flex; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* —— Hero —— */
.hero { padding-bottom: 5rem; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr 360px; }
}
.hero-kicker { font-size: 15px; margin: 0 0 1.5rem; }
.greeting {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  min-height: 1.75rem;
}
.greeting-word {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.greeting-lang {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.55;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: clamp(2.75rem, 13vw, 6rem);
  line-height: 0.94;
  max-width: 48rem;
  margin: 0 0 2.5rem;
}
.hero-lead {
  font-size: 1.125rem;
  max-width: 36rem;
  line-height: 1.45;
  margin: 0 0 2.5rem;
}
@media (min-width: 640px) {
  .hero-lead { font-size: 1.25rem; }
}
.hero-cta { font-size: 1rem; }
.hero-aside {
  display: none;
  justify-content: flex-end;
  padding-right: 1rem;
}
@media (min-width: 1024px) {
  .hero-aside { display: flex; }
}
.hero-aside p {
  font-size: 13px;
  letter-spacing: 0.3em;
  opacity: 0.6;
  margin: 0;
  user-select: none;
}

.hero-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 4rem;
}
@media (min-width: 1024px) {
  .hero-tiles { grid-template-columns: 1fr 1fr; }
  .hero-tile-a { margin-top: 5rem; }
  .hero-tile-b { margin-top: 12.5rem; }
}
.hero-tile-cap {
  font-size: 15px;
  margin: 0.75rem 0 0;
}

/* —— Capabilities —— */
.cap-list { border-top: 1px solid var(--ink); }
.cap-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ink);
  align-items: center;
}
@media (min-width: 640px) {
  .cap-row {
    grid-template-columns: 100px 1fr auto;
    gap: 0.75rem;
  }
}
.cap-row h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin: 0;
  line-height: 1.15;
}
.cap-meta { font-size: 15px; }
.cap-num { font-size: 15px; }

/* —— Benefits —— */
.benefit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 5rem;
}
.benefit:last-child { margin-bottom: 0; }
@media (min-width: 1024px) {
  .benefit { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .benefit.is-flip .benefit-copy { order: 2; }
  .benefit.is-flip .benefit-media { order: 1; }
}
.benefit-eyebrow {
  display: block;
  font-size: 15px;
  margin-bottom: 0.75rem;
}
.benefit h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}
.benefit p {
  font-size: 1rem;
  line-height: 1.55;
  max-width: 28rem;
  margin: 0;
}

/* —— Work rail —— */
.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem 1.5rem;
}
@media (min-width: 1024px) {
  .work-grid { grid-template-columns: repeat(3, 1fr); }
}
.work-card { display: block; transition: opacity 180ms ease; }
.work-card:hover { opacity: 0.85; }
.work-card .meta {
  font-size: 15px;
  margin: 1rem 0 0.25rem;
}
.work-card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: 1.5rem;
  margin: 0;
  line-height: 1.2;
}
.work-card h3 em {
  font-style: italic;
  font-weight: 400;
}

/* —— Process —— */
.process-list { border-top: 1px solid var(--ink); }
.process-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ink);
}
@media (min-width: 768px) {
  .process-row {
    grid-template-columns: 80px 1fr 8rem;
    gap: 1.5rem;
    align-items: baseline;
  }
}
.process-row h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: 1.75rem;
  margin: 0 0 0.5rem;
}
.process-row p { margin: 0; max-width: 36rem; line-height: 1.5; }
.process-time { font-size: 15px; opacity: 0.7; }

/* —— Proof ledger —— */
.proof {
  background: var(--black);
  color: var(--vellum);
}
.proof .section-label { opacity: 0.7; margin: 0 0 3.5rem; }
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  border-top: 1px solid rgba(242, 242, 242, 0.3);
  padding-top: 2.5rem;
}
@media (min-width: 640px) {
  .proof-grid { grid-template-columns: repeat(4, 1fr); }
}
.proof-num {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 8vw, 3.75rem);
  letter-spacing: -0.036em;
  line-height: 1;
  margin: 0;
}
.proof-desc {
  font-size: 15px;
  margin: 0.75rem 0 0;
  opacity: 0.7;
  line-height: 1.45;
}
.proof-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (min-width: 640px) {
  .proof-links { flex-direction: row; gap: 2.5rem; }
}
.proof-links a {
  color: var(--vellum);
  border-bottom: 1px solid var(--vellum);
  padding-bottom: 2px;
  width: fit-content;
  font-size: 1rem;
  transition: opacity 180ms ease;
}
.proof-links a:hover { opacity: 0.6; }
.proof-links a:focus-visible {
  outline-color: var(--vellum);
}

/* —— Offices / clocks —— */
.offices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--ink);
}
@media (min-width: 640px) {
  .offices { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .offices { grid-template-columns: repeat(3, 1fr); }
}
.office {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--ink);
}
@media (min-width: 640px) {
  .office:nth-child(odd) { padding-right: 1.5rem; }
  .office:nth-child(even) { padding-left: 1.5rem; border-left: 1px solid var(--ink); }
}
@media (min-width: 1024px) {
  .office { padding-left: 0; padding-right: 1.5rem; border-left: none; }
  .office:nth-child(3n+2),
  .office:nth-child(3n+3) {
    padding-left: 1.5rem;
    border-left: 1px solid var(--ink);
  }
}
.office-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.office-top h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: 1.35rem;
  margin: 0;
}
.office-state { font-size: 13px; letter-spacing: 0.08em; opacity: 0.65; }
.office-time {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
}
.office-time small {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-left: 0.35rem;
  opacity: 0.55;
}
.office-date { font-size: 15px; margin: 0.5rem 0 0; opacity: 0.7; }
.office-addr { font-size: 15px; margin: 0.75rem 0 0; }

/* —— FAQ —— */
.faq-list { border-top: 1px solid var(--ink); max-width: 48rem; }
.faq-item { border-bottom: 1px solid var(--ink); }
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 1.5rem 0;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  cursor: pointer;
}
.faq-caret {
  flex-shrink: 0;
  width: 0.75rem;
  height: 0.75rem;
  border-right: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  transform: rotate(45deg);
  transition: transform 220ms ease;
  margin-top: -0.25rem;
}
.faq-item.open .faq-caret { transform: rotate(225deg); margin-top: 0.15rem; }
.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms ease;
}
.faq-item.open .faq-panel { max-height: 320px; }
.faq-panel p {
  margin: 0;
  padding: 0 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 40rem;
  opacity: 0.85;
}
@media (prefers-reduced-motion: reduce) {
  .faq-panel { transition: none; }
}

/* —— CTA —— */
.cta-title {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.036em;
  font-size: clamp(2.25rem, 10vw, 4.5rem);
  line-height: 1.05;
  max-width: 48rem;
  margin: 0 0 2.5rem;
}
.cta-lead {
  font-size: 1.125rem;
  max-width: 36rem;
  line-height: 1.45;
  margin: 0 0 2.5rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  align-items: center;
}

/* —— Footer —— */
.site-footer {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--ink);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 15px;
}
@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}
.footer-inner p { margin: 0; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}
.footer-nav a { transition: opacity 180ms ease; }
.footer-nav a:hover { opacity: 0.6; }

body.no-scroll { overflow: hidden; }