/* JSC Cards — registry-extract design system
   paper / ink / stamp-ultramarine · Satoshi + JetBrains Mono */

:root {
  --paper: #f5f4f0;
  --paper-tint: #eceae3;
  --hairline: #d9d6cc;
  --ink: #191b18;
  --ink-mid: #6e6c64;
  --stamp: #2b3fae;
  --font-display: "Satoshi", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--paper);
  background-image: url("/assets/paper-grain.webp");
  background-size: 512px 512px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

::selection { background: var(--stamp); color: var(--paper); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible { outline: 2px solid var(--stamp); outline-offset: 2px; }

.wrap { max-width: 72rem; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 768px) { .wrap { padding-inline: 2rem; } }

.dot { color: var(--stamp); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stamp);
}

.display-xl, .display-lg, .display-md {
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
.display-xl { font-size: clamp(3rem, 8vw, 4.5rem); }
.display-lg { font-size: clamp(2.25rem, 6vw, 3.75rem); }
.display-md { font-size: clamp(2.25rem, 5vw, 3.6rem); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--hairline);
  background: rgba(245, 244, 240, 0.95);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4rem;
}
@media (min-width: 768px) { .header-row { height: 5rem; } }

.brand { display: flex; align-items: baseline; gap: 0.375rem; }
.brand-name {
  font-weight: 900;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}
@media (min-width: 768px) { .brand-name { font-size: 1.25rem; } }
.brand-dot { width: 6px; height: 6px; background: var(--stamp); display: inline-block; }
.brand-tag {
  display: none;
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
}
@media (min-width: 1024px) { .brand-tag { display: inline; } }

.site-nav { display: none; align-items: center; gap: 1.5rem; }
@media (min-width: 768px) { .site-nav { display: flex; } }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--stamp); }

/* framed-block CTA (nav) */
.cta-framed { position: relative; display: inline-block; }
.cta-framed .frame-echo {
  position: absolute;
  inset: 0;
  border: 1px solid var(--stamp);
  opacity: 0;
  transition: transform 0.2s, opacity 0.2s;
}
.cta-framed:hover .frame-echo { transform: translate(4px, 4px); opacity: 1; }
.cta-framed .frame-face {
  position: relative;
  display: block;
  border: 1px solid var(--ink);
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cta-framed:active .frame-face { transform: translateY(1px); }

/* ---------- hero ---------- */

.hero { padding-top: 2.5rem; }
@media (min-width: 768px) { .hero { padding-top: 4rem; } }

.hero-grid { display: grid; gap: 2.5rem; }
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 7fr 5fr; }
}

.hero-lead h1 {
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.98;
  font-size: clamp(3rem, 9vw, 4.5rem);
}

.hero-sub {
  margin-top: 2rem;
  max-width: 52ch;
  color: var(--ink-mid);
  line-height: 1.625;
}

.hero-ctas {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

/* stamp-press CTA */
.cta-stamp { position: relative; display: inline-block; }
.cta-stamp .stamp-echo {
  position: absolute;
  inset: 0;
  background: rgba(43, 63, 174, 0.25);
  transition: transform 0.2s;
}
.cta-stamp:hover .stamp-echo { transform: translate(6px, 6px); }
.cta-stamp .stamp-face {
  position: relative;
  display: block;
  background: var(--stamp);
  color: var(--paper);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: transform 0.15s;
}
.cta-stamp:active .stamp-face { transform: scale(0.98) rotate(0.5deg); }

/* viewfinder CTA */
.cta-view {
  position: relative;
  display: inline-block;
  padding: 0.625rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cta-view .vf {
  position: absolute;
  width: 10px;
  height: 10px;
  transition: transform 0.2s, border-color 0.2s;
}
.vf-tl { top: 0; left: 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.vf-tr { top: 0; right: 0; border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); }
.vf-bl { bottom: 0; left: 0; border-bottom: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.vf-br { bottom: 0; right: 0; border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink); }
.cta-view:hover .vf { border-color: var(--stamp); }
.cta-view:hover .vf-tl { transform: translate(2px, 2px); }
.cta-view:hover .vf-tr { transform: translate(-2px, 2px); }
.cta-view:hover .vf-bl { transform: translate(2px, -2px); }
.cta-view:hover .vf-br { transform: translate(-2px, -2px); }
.vf-arrow { margin-left: 0.5rem; display: inline-block; transition: transform 0.2s; }
.cta-view:hover .vf-arrow { transform: translateX(4px); }

/* registry-extract card */
.hero-card { display: none; }
@media (min-width: 1024px) { .hero-card { display: block; } }
.hero-card-inner {
  max-width: 20rem;
  margin-left: auto;
  border-top: 2px solid var(--stamp);
}
.hero-card-title {
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stamp);
}
.hero-card-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
}
.hero-card-list {
  margin-top: 1rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.hero-card-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.625rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.hero-card-list > div + div { border-top: 1px solid var(--hairline); }
.hero-card-list dt { text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-mid); }
.hero-card-list dd.accent { color: var(--stamp); }

/* loupe visual */
.hero-visual { padding-top: 3rem; padding-bottom: 1.5rem; }
@media (min-width: 768px) { .hero-visual { padding-top: 3.5rem; } }
@media (min-width: 1024px) { .hero-visual { padding-bottom: 2.5rem; } .loupe-offset { margin-left: 18%; } }

.loupe-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--paper-tint);
}
.loupe-frame img { width: 100%; }
#hero-lit {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}
.loupe-hint {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  display: none;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
  pointer-events: none;
}
@media (min-width: 768px) { .loupe-hint { display: block; } }

.spec-strip {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem 2rem;
  border-top: 1px solid var(--hairline);
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mid);
}
@media (min-width: 640px) { .spec-strip { grid-template-columns: repeat(3, 1fr); } }
.spec-strip span { display: block; margin-top: 2px; color: var(--ink); }

/* ---------- sections shared ---------- */

section.activities, section.process, section.registry, section.europe, section.contact {
  border-top: 1px solid var(--hairline);
}
.activities .wrap, .process .wrap, .registry-inner, .europe-grid, .contact .wrap {
  padding-top: 5rem;
  padding-bottom: 5rem;
}
@media (min-width: 768px) {
  .activities .wrap, .process .wrap, .registry-inner, .europe-grid, .contact .wrap {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }
}

/* ---------- activities accordion ---------- */

.acc-list { margin-top: 3rem; border-top: 1px solid var(--hairline); }

.acc-row { border-bottom: 1px solid var(--hairline); }
.acc-row.open { border-left: 2px solid var(--stamp); }

.acc-row button {
  display: flex;
  width: 100%;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.5rem 0.5rem;
  text-align: left;
}
@media (min-width: 768px) { .acc-row button { gap: 2.5rem; padding: 1.75rem 1rem; } }

.acc-index { font-family: var(--font-mono); font-size: 0.875rem; color: var(--ink-mid); }
.acc-row.open .acc-index { color: var(--stamp); }

.acc-title {
  flex: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.5rem;
}
@media (min-width: 768px) { .acc-title { font-size: 1.875rem; } }

.acc-mark { position: relative; width: 14px; height: 14px; align-self: center; }
.acc-mark::before, .acc-mark::after {
  content: "";
  position: absolute;
  background: var(--ink-mid);
}
.acc-mark::before { left: 0; right: 0; top: 6px; height: 2px; }
.acc-mark::after { top: 0; bottom: 0; left: 6px; width: 2px; transition: transform 0.2s; }
.acc-row.open .acc-mark::before, .acc-row.open .acc-mark::after { background: var(--stamp); }
.acc-row.open .acc-mark::after { transform: scaleY(0); }

.acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.acc-row.open .acc-body { grid-template-rows: 1fr; }
.acc-clip { overflow: hidden; }

.acc-content {
  display: grid;
  gap: 2rem;
  padding: 0 0.5rem 2rem 3.25rem;
}
@media (min-width: 768px) {
  .acc-content {
    grid-template-columns: 1fr 260px;
    padding: 0 1rem 2.5rem 4.5rem;
  }
}
.acc-content p { max-width: 58ch; color: var(--ink-mid); line-height: 1.625; }
.acc-content img {
  display: none;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--hairline);
}
@media (min-width: 768px) { .acc-content img { display: block; } }

/* ---------- process ---------- */

.process { background: rgba(236, 234, 227, 0.4); }
.process h2 { margin-top: 1rem; max-width: 16ch; }

.rail-desktop { display: none; margin-top: 4rem; }
@media (min-width: 768px) { .rail-desktop { display: block; } }

.rail-ticks {
  height: 1.5rem;
  position: relative;
  background-image: repeating-linear-gradient(to right, var(--hairline) 0, var(--hairline) 1px, transparent 1px, transparent 24px);
}
.rail-ticks::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 1px;
  background: rgba(110, 108, 100, 0.5);
}

.rail-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.rail-steps .step { padding-top: 1.5rem; }
.step img { width: 2.75rem; height: 2.75rem; }
.step-index { margin-top: 1rem; font-family: var(--font-mono); font-size: 0.875rem; color: var(--stamp); }
.step h3 { margin-top: 0.25rem; font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.step-body { margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.6; color: var(--ink-mid); max-width: 26ch; }

.rail-mobile {
  margin-top: 3rem;
  border-left: 1px solid rgba(110, 108, 100, 0.5);
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
@media (min-width: 768px) { .rail-mobile { display: none; } }
.rail-mobile .step { position: relative; }
.rail-mobile .step img { width: 2.5rem; height: 2.5rem; }
.step-tick {
  position: absolute;
  left: -1.5rem;
  top: 0.5rem;
  width: 1rem;
  height: 1px;
  background: rgba(110, 108, 100, 0.5);
}

/* ---------- registry ---------- */

.registry { position: relative; overflow: hidden; }

.ghost-numeral {
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 900;
  font-size: 22vw;
  letter-spacing: -0.05em;
  line-height: 1;
  white-space: nowrap;
  color: rgba(25, 27, 24, 0.04);
  user-select: none;
  pointer-events: none;
}

.registry-inner { position: relative; }

.registry-grid { margin-top: 2.5rem; display: grid; gap: 3rem; }
@media (min-width: 1024px) { .registry-grid { grid-template-columns: 1fr 200px; } }

.table-scroll { overflow-x: auto; }
.registry table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  text-align: left;
}
.registry thead tr { border-bottom: 1px solid rgba(25, 27, 24, 0.6); }
.registry th {
  padding: 0.75rem 1.5rem 0.75rem 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
}
.registry tbody tr + tr { border-top: 1px solid var(--hairline); }
.registry tbody tr:first-child { border-top: 1px solid var(--hairline); }
.registry td {
  padding: 1rem 1.5rem 1rem 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  vertical-align: top;
}
.registry td.reg-name { max-width: 34ch; line-height: 1.375; }
.registry td.reg-name span { display: block; margin-top: 2px; font-size: 0.75rem; color: var(--ink-mid); }
.registry td.accent { color: var(--stamp); }

.registry-aside { display: none; }
@media (min-width: 1024px) { .registry-aside { display: block; } }
.registry-aside img {
  width: 9rem;
  height: 9rem;
  transform: rotate(-6deg);
  opacity: 0.8;
}
.registry-aside p {
  margin-top: 1.5rem;
  border-top: 1px solid var(--hairline);
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--ink-mid);
}

.registry .display-xl { margin-top: 3.5rem; }

/* ---------- europe ---------- */

.europe-grid { display: grid; gap: 3rem; align-items: start; }
@media (min-width: 1024px) { .europe-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }

.doc-figure { position: relative; }
.doc-offset {
  position: absolute;
  top: -0.75rem;
  left: -0.75rem;
  width: 100%;
  height: 100%;
  border: 1px solid var(--stamp);
  display: none;
}
@media (min-width: 768px) { .doc-offset { display: block; } }

.doc-figure figure {
  position: relative;
  border: 1px solid var(--hairline);
  background: var(--paper-tint);
  padding: 0.75rem;
}
@media (min-width: 768px) { .doc-figure figure { padding: 1rem; } }
.doc-figure img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
}
.doc-figure figcaption {
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
}

.europe-copy h2 { max-width: 14ch; }
.europe-body {
  margin-top: 2rem;
  max-width: 58ch;
  color: var(--ink-mid);
  line-height: 1.625;
}

.meta-list {
  margin-top: 2.5rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.meta-list > div {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0;
}
@media (min-width: 640px) { .meta-list > div { grid-template-columns: 160px 1fr; gap: 1.5rem; } }
.meta-list > div + div { border-top: 1px solid var(--hairline); }
.meta-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stamp);
}
.meta-list dd { font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.625; }

/* ---------- contact ---------- */

.contact { background: rgba(236, 234, 227, 0.4); }

.office-grid { margin-top: 3rem; display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .office-grid { grid-template-columns: 1fr 1fr; } }

.office { border: 1px solid var(--hairline); padding: 1.5rem; }
@media (min-width: 768px) { .office { padding: 2rem; } }

.office-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stamp);
}
.office-city { margin-top: 0.75rem; font-family: var(--font-mono); font-size: 1.25rem; }
.office-addr {
  margin-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  padding-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-mid);
}
.office-links {
  margin-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  padding-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.office-links p + p { margin-top: 0.25rem; }
.office-links a { transition: color 0.15s; overflow-wrap: anywhere; }
.office-links a:hover { color: var(--stamp); }

/* band-shear mail CTA */
.mail-band {
  display: block;
  margin-top: 1.5rem;
  border: 1px solid var(--hairline);
  background: var(--paper);
  padding: 2rem 1rem;
  text-align: center;
  transition: transform 0.2s, background-color 0.2s, border-color 0.2s;
}
@media (min-width: 768px) { .mail-band { padding: 2.5rem 2rem; } }
.mail-band:hover {
  transform: skewX(-1deg);
  border-color: var(--stamp);
  background: var(--stamp);
}
.mail-band:active { transform: skewX(-1deg) scale(0.995); }
.mail-band-email {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3.4vw, 2.25rem);
  color: var(--ink);
  overflow-wrap: anywhere;
  transition: color 0.2s;
}
.mail-band-sub {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
  transition: color 0.2s;
}
.mail-band:hover .mail-band-email { color: var(--paper); }
.mail-band:hover .mail-band-sub { color: rgba(245, 244, 240, 0.8); }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--hairline); }
.footer-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mid);
}
@media (min-width: 768px) {
  .footer-row { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ---------- error page ---------- */

.error-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  text-align: center;
  padding: 1.5rem;
}
.error-page .code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.error-page h1 { font-size: clamp(2.25rem, 6vw, 3rem); font-weight: 900; letter-spacing: -0.04em; }
.error-page a {
  border: 1px solid var(--ink);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background-color 0.15s, color 0.15s;
}
.error-page a:hover { background: var(--ink); color: var(--paper); }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}