/* 149 – Goldener Schnitt · Layout aus Teilungen im Verhältnis 1 : 1,618 */
:root {
  --paper: #f4f1e9;
  --ink: #23221f;
  --mute: #5f5b53;
  --lead: #7a766d;      /* Bleistift */
  --lead-2: #a19c91;
  --red: #c4342a;
  --red-ink: #b02c23;
  --serif: 'Instrument Serif', 'Times New Roman', Georgia, serif;
  --sans: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --pad: clamp(16px, 4vw, 60px);
  --a: 61.803%;
  --b: 38.197%;
  --fw: min(calc(100vw - 2 * var(--pad) - 6vw), calc((100vh - 120px) / 1.2 * 1.618), 1360px);
  --cw: 1240px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.618 var(--sans); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 400; line-height: 1.05; letter-spacing: -.01em; }
p, dl, dd, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 1.5px solid var(--red); outline-offset: 4px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 80; background: var(--ink); color: var(--paper); padding: 10px 16px; text-decoration: none; }
.skip:focus { top: 12px; }
.wrap { width: 100%; max-width: calc(var(--cw) + 2 * var(--pad)); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Zeichnung ---------- */
svg { overflow: visible; }
.ln { fill: none; stroke: var(--lead); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ln--frame { stroke: var(--ink); stroke-opacity: .8; }
.ln--fine { stroke-opacity: .55; }
.cn { fill: none; stroke: var(--lead-2); stroke-width: 1; stroke-dasharray: 5 5; vector-effect: non-scaling-stroke; }
.rd { fill: none; stroke: var(--red); stroke-width: 1.6; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.pt circle { fill: none; stroke: var(--lead); stroke-width: 1; vector-effect: non-scaling-stroke; }
.pt path { stroke: var(--lead); stroke-width: 1; vector-effect: non-scaling-stroke; }
.pt-s { fill: var(--lead); }
.dm path { fill: none; stroke: var(--lead); stroke-width: 1; vector-effect: non-scaling-stroke; }
.dm .ah { fill: var(--lead); stroke: none; }
.lb { font: 400 22px/1 var(--sans); fill: var(--mute); letter-spacing: .04em; }
.code { font: 600 26px/1 var(--sans); fill: var(--ink); letter-spacing: .1em; }
.stop { fill: var(--paper); stroke: var(--ink); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.car { stroke: var(--ink); stroke-width: 3.5; vector-effect: non-scaling-stroke; }
@media (prefers-reduced-motion: no-preference) {
  .js .draw .rd { stroke-dasharray: 1 1; stroke-dashoffset: 1; }
  .js .draw .cn, .js .draw .pt, .js .draw .dm, .js .draw .lb { opacity: 0; }
  .js .draw.on .cn, .js .draw.on .pt, .js .draw.on .dm, .js .draw.on .lb { opacity: 1; transition: opacity 1.2s .2s; }
  .js .draw.on .rd { animation: draw 1.1s cubic-bezier(.5, 0, .3, 1) forwards; animation-delay: calc(.6s + var(--i, 0) * .45s); }
}
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- Kopf ---------- */
.top__in { width: var(--fw); margin-inline: auto; display: grid; grid-template-columns: var(--a) var(--b); align-items: center; min-height: 84px; }
.top__a { display: flex; align-items: center; padding-right: 26px; }
.top__a .logo { margin-right: auto; }
.logo { display: block; flex: none; }
.logo img { width: 70px; aspect-ratio: 1510 / 1300; }
.tel { font: 500 15px/1 var(--sans); letter-spacing: .03em; text-decoration: none; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tel:hover { color: var(--red-ink); }
.tel--m { display: none; }
.menu { display: none; }
.lang--d { margin-left: 18px; }
.nav .lang { display: none; }
.nav { display: flex; align-items: center; justify-content: flex-start; gap: 16px; padding-left: 22px; border-left: 1px solid var(--lead-2); min-height: 40px; }
.nav__list { display: flex; gap: clamp(12px, 1.6vw, 24px); }
.nav__list a { display: block; padding: 8px 0; white-space: nowrap; font: 500 15px/1 var(--sans); text-decoration: none; background: linear-gradient(var(--red), var(--red)) 0 100% / 0 1.5px no-repeat; transition: background-size .4s; }
.nav__list a:hover { background-size: 100% 1.5px; }
.lang { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--lead); border-radius: 50%; text-decoration: none; font: 600 12.5px/1 var(--sans); letter-spacing: .06em; }
.lang:hover { border-color: var(--red); color: var(--red-ink); }

/* ---------- Bausteine ---------- */
.kicker { font: 600 12px/1.4 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--mute); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; font: 600 15px/1 var(--sans); text-decoration: none; letter-spacing: .01em; transition: background-color .3s, color .3s, border-color .3s; }
.btn--red { background: var(--red-ink); color: #fff; }
.btn--red:hover { background: #8f231c; }
.btn--line { border: 1px solid var(--ink); background: var(--paper); }
.btn--line:hover { border-color: var(--red); color: var(--red-ink); }
.ctas { display: flex; flex-wrap: wrap; gap: 12px 14px; }
.no { font: italic 400 22px/1 var(--serif); color: var(--red-ink); }
h2 { margin-top: 14px; font-size: clamp(36px, 4.236vw, 61px); text-wrap: balance; }
.intro { margin-top: 20px; max-width: 54ch; color: var(--mute); font-size: 18px; }
.sec { padding-block: clamp(90px, 10vw, 160px) 0; }

/* ---------- Rahmen φ (Hero und Kontakt) ---------- */
.hero { padding-block: clamp(46px, 7.5vh, 84px) clamp(50px, 7vh, 80px); }
.frame { position: relative; width: var(--fw); aspect-ratio: 1.618034; margin-inline: auto; container-type: inline-size; }
.frame__svg { position: absolute; left: -1.854%; top: -11%; width: 109.889%; height: 117%; pointer-events: none; z-index: 2; }
.frame--contact .frame__svg { left: -1.854%; top: -3%; width: 103.708%; height: 113%; }
.frame__svg svg { width: 100%; height: 100%; display: block; }
.cell { position: absolute; }
.cell--a { left: 0; top: 0; width: var(--a); height: 100%; padding: 4.6cqw 5cqw 0 4.2cqw; z-index: 3; }
.cell--c { left: var(--a); top: 0; width: var(--b); height: var(--a); }
.cell--e { left: 76.393%; top: var(--a); width: 23.607%; height: var(--b); }
.cell--g { left: var(--a); top: 76.393%; width: 14.59%; height: 23.607%; }
.a__svg { display: none; }
.hero .kicker { font-size: max(11px, .86cqw); }
h1 { margin-top: 2cqw; font-size: 6.4cqw; line-height: .98; letter-spacing: -.02em; }
h1 em { font-style: italic; }
.lead { margin-top: 2cqw; max-width: 33cqw; font-size: max(15px, 1.36cqw); line-height: 1.6; color: var(--mute); }
.hero .ctas { margin-top: 2.2cqw; }
.cell--c img { width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; filter: grayscale(1) contrast(1.08) brightness(1.04); mix-blend-mode: multiply; }
.cell--e { display: flex; align-items: flex-start; padding: 2.2cqw 2cqw; }
.cell--e p { display: grid; gap: .5cqw; }
.e__k { font: 600 max(10.5px, .78cqw)/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--mute); }
.e__v { font: italic 400 max(18px, 1.9cqw)/1.15 var(--serif); }
.cell--g { display: flex; align-items: flex-start; justify-content: flex-end; padding: 1.4cqw; }
.phi { font: italic 400 max(14px, 1.3cqw)/1 var(--serif); color: var(--red-ink); }

/* ---------- Schwerpunkt ---------- */
.ruler { display: grid; grid-template-columns: var(--a) var(--b); margin-bottom: 40px; font: 400 13px/1 var(--sans); letter-spacing: .06em; color: var(--mute); }
.ruler span { position: relative; text-align: center; padding-bottom: 10px; }
.ruler span::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 9px; border: 1px solid var(--lead); border-top: 0; }
.split { display: grid; grid-template-columns: var(--a) var(--b); }
.split__a { padding-right: clamp(28px, 4vw, 64px); }
.split__b { border-left: 1px solid var(--lead-2); padding-left: clamp(24px, 3vw, 48px); }
.cases { display: grid; grid-template-columns: var(--a) var(--b); margin-top: 56px; }
.cases li { padding: 22px 26px 26px 0; border-top: 1px solid var(--lead-2); }
.cases li:nth-child(even) { padding-left: 24px; padding-right: 0; border-left: 1px solid var(--lead-2); }
.cases h3 { margin-top: 10px; font-size: 27px; }
.cases li:nth-child(even) h3 { font-size: 22px; }
.cases p { margin-top: 6px; color: var(--mute); font-size: 16px; hyphens: auto; -webkit-hyphens: auto; }
.stats { display: grid; align-content: start; }
.stat { display: grid; gap: 8px; padding: 26px 0; border-bottom: 1px solid var(--lead-2); }
.stat:first-child { padding-top: 0; }
.stat strong { font: 400 1px/1 var(--serif); letter-spacing: -.02em; }
.stat--1 strong { font-size: clamp(80px, 8.5vw, 124px); }       /* × φ */
.stat--2 strong { font-size: clamp(50px, 5.25vw, 77px); }
.stat--3 strong { font-size: clamp(31px, 3.25vw, 47px); }
.stat span { color: var(--mute); font-size: 15px; }
.stat--1 strong { color: var(--red-ink); }

.route { margin-top: clamp(80px, 9vw, 140px); display: grid; grid-template-columns: var(--a) var(--b); align-items: end; border-top: 1px solid var(--lead-2); padding-top: 50px; }
.route__svg svg { width: 100%; height: auto; display: block; }
.route__cap { display: grid; gap: 12px; padding-left: clamp(24px, 3vw, 48px); border-left: 1px solid var(--lead-2); align-self: stretch; align-content: center; }
.route__codes { font: 600 15px/1.4 var(--sans); letter-spacing: .12em; }
.route__text { font: italic 400 24px/1.3 var(--serif); font-family: var(--serif), 'DejaVu Serif', serif; }
.route__note { color: var(--mute); font-size: 15px; }

/* ---------- Leistungen ---------- */
.split--head { align-items: end; }
.split--head .intro { margin: 0; padding-left: clamp(24px, 3vw, 48px); }
.svc { display: flex; flex-wrap: wrap; margin-top: 56px; }
.svc__i { padding: 30px 34px 40px 0; border-top: 1px solid var(--lead-2); }
.svc__i--l { flex: 0 0 var(--a); }
.svc__i--s { flex: 0 0 var(--b); }
.svc__i:nth-child(even) { padding-left: 30px; padding-right: 0; border-left: 1px solid var(--lead-2); }
.svc__i:nth-child(3) { padding-left: 0; padding-right: 30px; }
.svc__i:nth-child(4) { border-left: 1px solid var(--lead-2); }
.svc__i h3 { margin-top: 12px; }
.svc__i--l h3 { font-size: clamp(34px, 3.2vw, 46px); }
.svc__i--s h3 { font-size: clamp(24px, 2vw, 28.5px); }
.svc__i p { margin-top: 10px; color: var(--mute); max-width: 46ch; }
.svc__i--l p { font-size: 18px; }
.svc__i--s p { font-size: 16px; }

/* ---------- Ablauf ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 clamp(20px, 2.6vw, 40px); margin-top: 56px; }
.step__fig { margin-bottom: 26px; }
.step__fig svg { width: 100%; height: auto; display: block; }
.steps h3 { margin-top: 8px; font-size: 30px; }
.steps p { margin-top: 6px; color: var(--mute); font-size: 16px; }

/* ---------- Über uns ---------- */
.about__frame { display: grid; grid-template-columns: var(--a) var(--b); border: 1px solid var(--lead); }
.about__pic { position: relative; aspect-ratio: 1; }
.about__pic img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.04) brightness(1.04); mix-blend-mode: multiply; }
.about__svg { position: absolute; left: -2%; top: -9%; width: 106%; height: 111%; pointer-events: none; }
.about__svg svg { width: 100%; height: 100%; display: block; }
.about__txt { padding: clamp(28px, 3.4vw, 54px); border-left: 1px solid var(--lead); display: flex; flex-direction: column; justify-content: center; }
.about__lead { margin-top: 22px; font-size: 17px; }
.feats { margin-top: 28px; border-top: 1px solid var(--lead-2); }
.feats li { padding: 10px 0; border-bottom: 1px solid var(--lead-2); font: italic 400 21px/1.3 var(--serif); }

/* ---------- Kontakt ---------- */
.contact { padding-bottom: clamp(120px, 12vw, 180px); }
.frame--contact { width: 100%; }
.frame--contact .cell--a { padding: 5cqw 5cqw 0 4cqw; }
.frame--contact h2 { font-size: 5.4cqw; }
.frame--contact .intro { max-width: 34cqw; font-size: max(16px, 1.4cqw); }
.frame--contact .ctas { margin-top: 2.6cqw; }
.info { padding: 2.6cqw 2.4cqw; display: grid; align-content: start; gap: 1.8cqw; }
.info dt { font: 600 max(10.5px, .8cqw)/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--mute); }
.info dd { margin-top: .4cqw; font: 400 max(18px, 1.95cqw)/1.25 var(--serif); }
.info--s { padding: 1.8cqw 1.6cqw; gap: 1.1cqw; }
.info--s dd { font-size: max(16px, 1.36cqw); }
.info--xs { padding: 1.4cqw 1.2cqw; }
.info--xs dd { font-size: max(15px, 1.2cqw); }
.info a { text-decoration: none; background: linear-gradient(var(--red), var(--red)) 0 100% / 100% 1px no-repeat; overflow-wrap: anywhere; }
.info a:hover { color: var(--red-ink); }
.cell--c.info { align-content: end; padding-bottom: 3cqw; }
.cell--g.info { justify-items: end; text-align: right; }
.cell { z-index: 3; }

/* ---------- Fuß ---------- */
.foot { border-top: 1px solid var(--lead); padding-block: 50px 96px; }
.foot__in { display: grid; grid-template-columns: var(--a) var(--b); row-gap: 26px; align-items: center; }
.foot__in > .logo--foot { grid-column: 1; grid-row: 1; justify-self: start; }
.foot__addr { grid-column: 1; grid-row: 1; padding-left: 110px; }
.logo--foot img { width: 84px; }
.foot__brand { font: 400 22px/1.2 var(--serif); }
.foot__addr p:last-child { color: var(--mute); font-size: 14.5px; }
.foot__nav { grid-column: 2; grid-row: 1; display: flex; flex-wrap: wrap; gap: 6px 22px; padding-left: 22px; border-left: 1px solid var(--lead-2); font: 500 15px/1.6 var(--sans); }
.foot__nav a { text-decoration: none; }
.foot__nav a:hover { color: var(--red-ink); text-decoration: underline; }
.foot__copy { grid-column: 1 / -1; color: var(--mute); font-size: 14px; }

/* ---------- Rechtsseiten ---------- */
.legal { padding-block: clamp(50px, 7vw, 100px) clamp(100px, 10vw, 150px); }
.legal__in { display: grid; grid-template-columns: var(--b) var(--a); }
.legal__aside { padding-right: clamp(24px, 3vw, 48px); }
.legal__aside .cx { width: 100%; height: auto; display: block; margin-top: 46px; max-width: 360px; }
.legal__main { border-left: 1px solid var(--lead-2); padding-left: clamp(24px, 3.4vw, 54px); min-width: 0; }
.back { font: 600 15px/1 var(--sans); text-decoration: none; color: var(--red-ink); }
.back:hover { text-decoration: underline; }
.legal .kicker { margin-top: 0; }
.legal h1 { margin-top: 14px; font-size: clamp(40px, 4.8vw, 68px); hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
.legal-body { margin-top: 40px; max-width: 68ch; }
.legal-body h2 { margin: 2.1em 0 .5em; font-size: clamp(24px, 2.2vw, 30px); display: flex; gap: 14px; align-items: baseline; }
.legal-body h2::before { content: ''; flex: none; width: 13px; height: 8px; border: 1px solid var(--red); border-bottom: 0; border-radius: 13px 13px 0 0; transform: translateY(-3px); }
.legal-body p, .legal-body ul { margin: 0 0 1em; }
.legal-body ul { padding-left: 1.2em; list-style: none; }
.legal-body li { position: relative; margin-bottom: .45em; }
.legal-body li::before { content: ''; position: absolute; left: -1.15em; top: .78em; width: 8px; height: 1px; background: var(--red); }
.legal-body a { color: var(--red-ink); text-underline-offset: 3px; overflow-wrap: anywhere; }
.legal-body .legal-note { padding: 14px 18px; border: 1px dashed var(--lead); font-size: 15.5px; }
.legal-body .legal-address { font: italic 400 21px/1.45 var(--serif); }

/* ---------- Tablet ---------- */
@media (max-width: 1100px) {
  .top__a .tel { display: none; }
  .nav__list a { font-size: 14px; }
  .cases { grid-template-columns: 1fr; }
  .cases li:nth-child(even) { padding-left: 0; border-left: 0; }
  .cases li:nth-child(even) h3 { font-size: 27px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px clamp(20px, 4vw, 48px); }
  .route { grid-template-columns: 1fr; }
  .route__cap { border-left: 0; padding-left: 0; margin-top: 30px; }
  .about__frame { grid-template-columns: 1fr 1fr; }
  .legal__in { grid-template-columns: 1fr; }
  .legal__aside .cx { display: none; }
  .legal__main { border-left: 0; padding-left: 0; margin-top: 34px; }
}
@media (max-width: 960px) {
  .nav__list { gap: 12px; }
  .nav__list a { font-size: 13.5px; }
  .split, .split--head { grid-template-columns: 1fr; }
  .ruler { display: none; }
  .split__a { padding-right: 0; }
  .split__b { border-left: 0; padding-left: 0; margin-top: 50px; border-top: 1px solid var(--lead-2); padding-top: 26px; }
  .split--head .intro { padding-left: 0; margin-top: 20px; }
}

/* ---------- Mobil ---------- */
@media (max-width: 760px) {
  body { font-size: 16.5px; }
  .top__in { width: auto; padding-inline: var(--pad); display: flex; flex-wrap: wrap; justify-content: space-between; min-height: 74px; }
  .top__a { padding: 0; }
  .logo img { width: 60px; }
  .js .menu { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 14px; border: 1px solid var(--ink); background: none; font: 600 14px/1 var(--sans); cursor: pointer; }
  .menu__ico { width: 14px; height: 14px; border: 1px solid var(--red); border-radius: 0 0 0 14px; border-top: 0; border-right: 0; transition: transform .3s; }
  .menu[aria-expanded="true"] .menu__ico { transform: rotate(90deg); }
  .nav { flex: 1 1 100%; flex-direction: column; align-items: stretch; border-left: 0; padding: 10px 0 20px; }
  .js .nav { display: none; position: absolute; z-index: 40; left: var(--pad); right: var(--pad); top: 70px; padding: 18px 20px; background: var(--paper); border: 1px solid var(--ink); box-shadow: 10px 10px 0 -1px var(--paper), 10px 10px 0 0 var(--lead-2); }
  .js .top.open .nav { display: flex; }
  .top { position: relative; z-index: 30; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list li + li { border-top: 1px solid var(--lead-2); }
  .nav__list a { padding: 14px 0; font-size: 17px; background: none; }
  .tel--m { display: inline; padding: 12px 0 4px; font-size: 16px; }
  .nav .lang { display: inline-grid; align-self: flex-start; margin-top: 8px; }
  .lang--d { display: none; }

  .hero { padding-block: 34px 64px; padding-inline: var(--pad); }
  .frame { width: auto; aspect-ratio: auto; container-type: normal; }
  .frame__svg { display: none; }
  .cell { position: static; width: auto !important; height: auto !important; }
  .cell--a { padding: 0; }
  .a__head { position: relative; aspect-ratio: 1; padding: 30px 22px 0 20px; }
  .a__svg { display: block; position: absolute; left: -1.9%; top: -9%; width: 106%; height: 115%; pointer-events: none; }
  .a__svg svg { width: 100%; height: 100%; display: block; }
  .hero .kicker { font-size: 11.5px; max-width: 250px; }
  h1 { position: relative; margin-top: 16px; font-size: clamp(44px, 13.2vw, 54px); }
  .lead { max-width: none; margin-top: 26px; font-size: 16.5px; }
  .hero .ctas { margin-top: 24px; flex-direction: column; }
  .hero .cell--c { margin-top: 36px; aspect-ratio: 1.618; border: 1px solid var(--lead); }
  .hero .cell--e { padding: 16px 0 0; }
  .e__k { font-size: 11px; }
  .e__v { font-size: 22px; }
  .hero .cell--g { display: none; }

  .stat--1 strong { font-size: 96px; }
  .stat--2 strong { font-size: 60px; }
  .stat--3 strong { font-size: 37px; }
  .svc__i { flex: 0 0 100% !important; padding: 24px 0 30px !important; border-left: 0 !important; }
  .svc__i--l h3 { font-size: 34px; }
  .steps { grid-template-columns: 1fr; }
  .step__fig { max-width: 300px; }
  .about__frame { grid-template-columns: 1fr; }
  .about__txt { border-left: 0; border-top: 1px solid var(--lead); padding: 26px 20px 30px; }
  .frame--contact .cell { padding: 0; }
  .frame--contact .cell--a { padding-bottom: 30px; }
  .frame--contact h2 { font-size: 42px; }
  .frame--contact .intro { max-width: none; font-size: 17px; }
  .frame--contact .ctas { margin-top: 24px; }
  .info { padding: 22px 0 !important; gap: 18px; border-top: 1px solid var(--lead-2); }
  .info dt { font-size: 11px; }
  .info dd, .info--s dd, .info--xs dd { margin-top: 4px; font-size: 21px; }
  .foot__in { grid-template-columns: 1fr; }
  .foot__addr { grid-column: 1; grid-row: 2; padding-left: 0; }
  .foot__nav { grid-column: 1; grid-row: 3; border-left: 0; padding-left: 0; }
}
.hero .cell--c { z-index: 1; }
/* Inhaltsbreite = Breite des φ-Rahmens im Kopf (alles fluchtet auf dieselben Teilungen) */
@media (min-width: 761px) {
  .wrap { max-width: calc(min(var(--cw), var(--fw)) + 2 * var(--pad)); }
}