/* CiFe Grundbesitz — Institutional modernist */
:root {
  --ink: oklch(0.18 0.012 250);
  --ink-2: oklch(0.32 0.012 250);
  --ink-3: oklch(0.55 0.012 250);
  --line: oklch(0.86 0.008 80);
  --line-strong: oklch(0.72 0.01 80);
  --paper: oklch(0.972 0.006 82);
  --paper-2: oklch(0.95 0.008 82);
  --paper-3: oklch(0.92 0.01 82);
  --accent: oklch(0.62 0.085 70);
  --accent-ink: oklch(0.32 0.06 70);
  --max: 1440px;
  --gutter: clamp(20px, 4vw, 64px);
  --pad-section: clamp(80px, 9vw, 160px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter Tight", "Inter", -apple-system, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.5;
}

.dense {
  --pad-section: clamp(56px, 6vw, 96px);
}

.serif {
  font-family: "Instrument Serif", "GT Sectra", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.mono {
  font-family: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  font-feature-settings: "tnum";
}

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

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

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: "Instrument Serif", serif;
  font-size: 18px;
  letter-spacing: -0.04em;
}
.brand-name {
  font-size: 15px;
  letter-spacing: 0.02em;
  font-weight: 500;
}
.brand-name small {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-top: 2px;
}
.nav {
  display: flex;
  gap: 28px;
  justify-content: center;
}
.nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 13.5px;
  letter-spacing: 0.01em;
  position: relative;
  padding: 8px 0;
  transition: color .2s;
}
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--ink); }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
}
.lang button {
  background: transparent;
  border: 0;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--ink-3);
  font: inherit;
}
.lang button.on { background: var(--ink); color: var(--paper); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
}
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* Section */
section {
  padding: var(--pad-section) 0;
  border-top: 1px solid var(--line);
}
section:first-of-type { border-top: 0; }

.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  margin-bottom: 64px;
  align-items: start;
}
.section-head .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}
.section-head h2 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 18ch;
}
.section-head .lede {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 56ch;
  margin-top: 24px;
}

/* Hero */
.hero {
  padding-top: clamp(80px, 10vw, 160px);
  padding-bottom: 0;
  border-top: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
  min-height: 70vh;
}
.hero h1 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: clamp(56px, 9vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 0 0 32px;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent-ink);
}
.hero-side {
  padding-bottom: 24px;
  border-left: 1px solid var(--line);
  padding-left: 32px;
}
.hero-side p {
  font-size: 16px;
  color: var(--ink-2);
  margin: 0 0 32px;
  max-width: 38ch;
  line-height: 1.6;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: clamp(64px, 9vw, 120px);
  padding: 32px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-meta .item .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.hero-meta .item .v {
  font-family: "Instrument Serif", serif;
  font-size: 28px;
  letter-spacing: -0.02em;
}

/* Hero plate (architectural placeholder) */
.plate {
  position: relative;
  background:
    repeating-linear-gradient(135deg,
      transparent 0 18px,
      color-mix(in oklab, var(--ink) 5%, transparent) 18px 19px);
  background-color: var(--paper-2);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
  width: 100%;
  display: grid;
  place-items: center;
}
.plate .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--paper);
  padding: 8px 12px;
  border: 1px solid var(--line);
}
.plate.tall { aspect-ratio: 3 / 5; }
.plate.wide { aspect-ratio: 16 / 9; }
.plate.square { aspect-ratio: 1 / 1; }

/* Philosophy / about */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}
.two-col p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0 0 24px;
}
.two-col .lead {
  font-family: "Instrument Serif", serif;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* Business areas */
.areas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
}
.area {
  padding: 48px 0;
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.area:nth-child(odd) {
  padding-right: 48px;
  border-right: 1px solid var(--line);
}
.area:nth-child(even) {
  padding-left: 48px;
}
.area .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  padding-top: 6px;
}
.area h3 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  line-height: 1.15;
}
.area .desc {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.6;
}

/* Investment / portfolio */
.portfolio {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
}
.case {
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  transition: transform .3s;
}
.case:hover { transform: translateY(-4px); }
.case .plate { aspect-ratio: 4/5; }
.case .meta {
  display: flex;
  justify-content: space-between;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.case h4 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: 22px;
  margin: 4px 0 0;
  letter-spacing: -0.01em;
}
.case .stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 12px;
  gap: 8px;
}
.case .stats .s {
  font-size: 12px;
  color: var(--ink-3);
}
.case .stats .s b {
  display: block;
  color: var(--ink);
  font-weight: 500;
  font-size: 14px;
  margin-top: 2px;
  font-family: "JetBrains Mono", monospace;
}

.case.c-1 { grid-column: span 7; }
.case.c-2 { grid-column: span 5; }
.case.c-3 { grid-column: span 4; }
.case.c-4 { grid-column: span 4; }
.case.c-5 { grid-column: span 4; }

/* Values */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.value {
  padding: 40px 32px 40px 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.value:nth-child(3n) { border-right: 0; padding-right: 0; }
.value:nth-child(n+4) { padding-top: 40px; }
.value:nth-last-child(-n+3) { border-bottom: 0; }
.value:nth-child(n+4) { padding-left: 32px; }
.value h4 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: 24px;
  letter-spacing: -0.01em;
  margin: 16px 0 12px;
}
.value p {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.6;
}
.value .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-ink);
}

/* Press / news */
.press-list {
  border-top: 1px solid var(--line);
}
.press-row {
  display: grid;
  grid-template-columns: 120px 1fr 200px 80px;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
  cursor: pointer;
  transition: padding .25s;
}
.press-row:hover { padding-left: 16px; }
.press-row .date {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
}
.press-row h4 {
  font-family: "Instrument Serif", serif;
  font-size: 22px;
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.press-row .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.press-row .arrow {
  text-align: right;
  color: var(--ink-3);
  transition: color .2s, transform .2s;
}
.press-row:hover .arrow { color: var(--accent-ink); transform: translateX(4px); }

/* Contact */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
}
.contact-info {
  position: sticky;
  top: 100px;
  align-self: start;
}
.contact-info h3 {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  line-height: 1.05;
}
.contact-info .row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.contact-info .row:last-child { border-bottom: 1px solid var(--line); }
.contact-info .row .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.contact-info .row .v { color: var(--ink); }
.contact-info .row .v a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--line-strong); }

.form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.field {
  border-bottom: 1px solid var(--line);
  padding: 16px 0 8px;
  position: relative;
}
.field label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  padding: 6px 0;
  outline: none;
  font-family: inherit;
}
.field textarea {
  resize: vertical;
  min-height: 80px;
}
.field.error { border-bottom-color: oklch(0.55 0.18 25); }
.field .err {
  font-size: 11px;
  color: oklch(0.5 0.18 25);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 4px;
  display: none;
}
.field.error .err { display: block; }
.checkbox-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 24px 0;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}
.checkbox-row input { margin-top: 3px; }
.form .actions { padding-top: 24px; }

.form-success {
  border: 1px solid var(--accent);
  padding: 48px;
  text-align: center;
}
.form-success h4 {
  font-family: "Instrument Serif", serif;
  font-size: 32px;
  margin: 0 0 12px;
  font-weight: 400;
}
.form-success p { color: var(--ink-2); margin: 0; }

/* Quote / philosophy block */
.philosophy {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(80px, 9vw, 140px) 0;
  margin: 0;
  border: 0;
}
.philosophy-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
}
.philosophy .eyebrow { color: oklch(0.7 0.012 250); }
.philosophy blockquote {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 16px 0 32px;
  text-wrap: balance;
}
.philosophy blockquote em {
  font-style: italic;
  color: oklch(0.78 0.07 70);
}
.philosophy cite {
  font-style: normal;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: oklch(0.7 0.012 250);
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
}
.footer-grid h5 {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin: 0 0 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid ul li { padding: 6px 0; }
.footer-grid ul a { color: var(--ink); text-decoration: none; }
.footer-grid ul a:hover { color: var(--accent-ink); }
.footer-grid .colophon p {
  font-size: 14px;
  color: var(--ink-2);
  max-width: 38ch;
  margin: 16px 0 0;
  line-height: 1.6;
}
.bottom-bar {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.bottom-bar a { color: inherit; text-decoration: none; }
.bottom-bar a:hover { color: var(--ink); }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, var(--ink) 70%, transparent);
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 32px;
  animation: fade .25s ease;
}
.modal {
  background: var(--paper);
  max-width: 980px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 16px;
  z-index: 5;
}
.modal-content { padding: 56px; }
.modal-content .eyebrow { margin-bottom: 16px; display: block; }
.modal-content h3 {
  font-family: "Instrument Serif", serif;
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
  line-height: 1.05;
}
.modal-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 24px 0 32px;
}
.modal-stats .s {
  padding: 20px 0;
  border-right: 1px solid var(--line);
  padding-right: 16px;
}
.modal-stats .s:last-child { border-right: 0; padding-right: 0; }
.modal-stats .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.modal-stats .v {
  font-family: "Instrument Serif", serif;
  font-size: 28px;
  letter-spacing: -0.02em;
}
.modal p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 16px;
  max-width: 60ch;
}

@keyframes fade { from { opacity: 0 } to { opacity: 1 } }
@keyframes rise { from { opacity: 0; transform: translateY(12px) } to { opacity: 1; transform: none } }
.rise { animation: rise .5s ease both; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .two-col, .portfolio, .contact, .philosophy-inner, .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .areas { grid-template-columns: 1fr; }
  .area { grid-template-columns: 60px 1fr; padding-right: 0 !important; padding-left: 0 !important; border-right: 0 !important; }
  .area .desc { grid-column: 2; }
  .values { grid-template-columns: 1fr; }
  .value { border-right: 0 !important; padding-right: 0 !important; padding-left: 0 !important; }
  .section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
  .nav { display: none; }
  .case.c-1, .case.c-2, .case.c-3, .case.c-4, .case.c-5 { grid-column: span 12; }
  .press-row { grid-template-columns: 1fr; gap: 8px; }
  .press-row .arrow { display: none; }
  .modal-stats { grid-template-columns: 1fr 1fr; }
  .modal-content { padding: 32px 20px; }
}