/* ARBING – Architektur-, Bau- und Ingenieurgesellschaft mbH */

@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 100 900; font-display: swap; src: url('../fonts/inter-tight-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 100 900; font-display: swap; src: url('../fonts/inter-tight-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --bg: #FFFFFF;
  --soft: #F5F4F1;
  --soft-2: #ECEBE7;
  --ink: #141414;
  --ink-2: #47484C;
  --ink-3: #727378;
  --line: rgba(20, 20, 20, .1);
  --line-2: rgba(20, 20, 20, .18);
  --red: #E51521;
  --red-d: #C3101A;
  --grey: #BCBCBB;
  --dark: #121213;
  --sans: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: 1360px;
  --gut: clamp(16px, 4vw, 48px);
  --r: 6px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --head: 80px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--head) + 8px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 300; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.03em; line-height: 1.04; }
h2 { font-size: clamp(34px, 4.4vw, 60px); }
h3 { font-size: 22px; letter-spacing: -.02em; line-height: 1.2; }
.red { color: var(--red); }
.kicker, .label { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.kicker::before, .label::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--red); }
.label b { display: none; }
.lead { font-size: clamp(17.5px, 1.45vw, 20px); line-height: 1.6; color: var(--ink-2); }

/* Buttons */
.btn { --h: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: var(--h); padding: 0 24px; border-radius: 6px; font-weight: 600; font-size: 16px; letter-spacing: -.01em; border: 0; cursor: pointer; white-space: nowrap; transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .25s; }
.btn svg { width: 18px; height: 18px; flex: none; transition: transform .3s var(--ease); }
.btn:hover svg.ar { transform: translateX(2px); }
.btn:active { transform: scale(.98); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--red); }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-d); }
.btn--line { box-shadow: inset 0 0 0 1.5px var(--line-2); }
.btn--line:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn--line svg { color: var(--red); }
.btn--light { background: #fff; color: var(--ink); }

/* ---------- Ladebildschirm: Logo zeichnet sich, füllt sich und fliegt in die Kopfzeile ---------- */
.intro { display: none; }
.js .intro { display: grid; place-items: center; position: fixed; inset: 0; z-index: 200; background: #fff; transition: background-color .56s ease; }
.intro__in { width: min(520px, 76vw); }
.intro svg { width: 100%; height: auto; overflow: visible; transform-origin: 0 0; }
.intro path { fill-opacity: 0; stroke-width: .9; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.intro .l { animation: draw .8s cubic-bezier(.55, 0, .25, 1) forwards, fill .4s ease forwards; animation-delay: calc(var(--i) * 56ms), calc(var(--i) * 56ms + .6s); }
.intro .sub { stroke-width: .25; animation: draw .72s ease forwards, fill .32s ease forwards; animation-delay: .4s, .92s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fill { to { fill-opacity: 1; stroke-opacity: 0; } }
.intro.is-fly { background-color: rgba(255, 255, 255, 0); pointer-events: none; }
.intro.is-fly svg { transition: transform .68s cubic-bezier(.7, 0, .2, 1); }
.intro.is-gone { display: none !important; }
.js.no-intro .intro { display: none; }
.has-intro body { overflow: hidden; }
.has-intro .brand img { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .intro path { animation: none !important; fill-opacity: 1; stroke-dashoffset: 0; stroke-opacity: 0; } .js .intro { transition: opacity .4s; } .intro.is-fly { opacity: 0; } }

/* ---------- Kopfzeile ---------- */
.top { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); transition: box-shadow .3s; }
.top.is-scrolled { box-shadow: 0 1px 0 var(--line); }
.top__in { display: flex; align-items: center; gap: 24px; height: var(--head); }
.brand img { height: 36px; width: auto; }
.nav { display: flex; gap: 2px; margin-left: auto; }
.nav a { font-size: 15px; font-weight: 500; color: var(--ink-2); padding: 9px 14px; border-radius: 6px; transition: background .2s, color .2s; }
.nav a:hover { color: var(--ink); background: var(--soft); }
.top__cta { display: flex; gap: 8px; }
.top__cta { align-items: center; gap: 18px; }
.top__cta .btn { --h: 44px; padding: 0 18px; font-size: 15px; }
.top__contact { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.25; }
.top__phone { display: inline-flex; align-items: center; gap: 7px; font-size: 15.5px; font-weight: 650; letter-spacing: -.01em; transition: color .2s; }
.top__phone svg { width: 15px; height: 15px; color: var(--red); }
.top__mail { font-size: 13.5px; color: var(--ink-3); transition: color .2s; }
.top__phone:hover, .top__mail:hover { color: var(--red); }
.menu a.menu__mail { justify-content: center; border: 0; font-size: 16px; font-weight: 500; color: var(--ink-2); padding: 14px 0 0; }
.menu a.menu__mail::after { content: none; }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; border-radius: 6px; background: var(--ink); color: #fff; cursor: pointer; place-items: center; }
.burger span { display: block; width: 16px; height: 1.6px; background: currentColor; position: relative; transition: background .2s; }
.burger span::before, .burger span::after { content: ''; position: absolute; left: 0; width: 16px; height: 1.6px; background: currentColor; transition: transform .3s var(--ease); }
.burger span::before { top: -5px; } .burger span::after { top: 5px; }
.menu-open .burger span { background: transparent; }
.menu-open .burger span::before { transform: translateY(5px) rotate(45deg); }
.menu-open .burger span::after { transform: translateY(-5px) rotate(-45deg); }
.menu { position: fixed; inset: var(--head) 0 auto 0; z-index: 49; background: #fff; padding: 8px var(--gut) 26px; box-shadow: 0 30px 60px rgba(0, 0, 0, .12); display: none; }
.menu-open .menu { display: block; }
.menu a:not(.btn) { display: flex; justify-content: space-between; padding: 16px 0; font-size: 22px; font-weight: 600; letter-spacing: -.02em; border-bottom: 1px solid var(--line); }
.menu a:not(.btn)::after { content: '→'; color: var(--ink-3); font-weight: 400; }
.menu .btn { margin-top: 18px; width: 100%; }
.top [data-mobil] { display: none; }

/* ---------- Hero ---------- */
.hero { padding: clamp(14px, 2vw, 28px) 0 0; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 3.6vw, 60px); align-items: stretch; }
.hero__text { display: flex; flex-direction: column; padding: clamp(8px, 2vw, 32px) 0 4px; }
.hero h1 { font-size: clamp(42px, 4.7vw, 76px); font-weight: 700; letter-spacing: -.035em; line-height: .98; margin: 20px 0; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero .lead { margin: 0 0 26px; max-width: 32em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; }
.quick { margin-top: auto; padding-top: 30px; }
.quick a { display: grid; grid-template-columns: minmax(0, 1fr) 24px; gap: 14px; align-items: center; padding: 13px 0; border-top: 1px solid var(--line); transition: padding .3s var(--ease); }
.quick a:last-child { border-bottom: 1px solid var(--line); }
.quick svg.L { height: 30px; width: auto; justify-self: start; }
.quick b { display: block; font-size: 19px; letter-spacing: -.02em; }
.quick span { display: block; font-size: 14.5px; color: var(--ink-3); line-height: 1.35; }
.quick b .red { display: inline; font-size: inherit; line-height: inherit; color: var(--red); }
.quick .go { width: 18px; height: 18px; color: var(--ink-3); transition: color .2s, transform .3s var(--ease); }
.quick a:hover .go { color: var(--red); }
.quick a:hover b { color: var(--red); }

.show { position: relative; border-radius: 8px; overflow: hidden; background: var(--soft-2); height: clamp(460px, calc(100svh - var(--head) - 120px), 780px); }
.show__img { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.show__img.on { opacity: 1; z-index: 1; }
.show__img img { width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, center); transform: scale(1.04); }
.show__img.on img { animation: kb 8s ease-out forwards; }
@keyframes kb { from { transform: scale(1.04); } to { transform: scale(1); } }
.show::after { content: ''; position: absolute; inset: 0; z-index: 2; background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, .5)); pointer-events: none; }
.show__cap { position: absolute; z-index: 3; left: 22px; right: 22px; bottom: 20px; display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; color: #fff; }
.show__cap b { display: block; font-size: 17px; letter-spacing: -.01em; }
.show__cap small { display: block; font-size: 13px; opacity: .85; }
.show__dots { display: flex; gap: 6px; flex: none; }
.show__dots button { width: 34px; height: 18px; padding: 0; border: 0; background: none; cursor: pointer; position: relative; }
.show__dots button::before, .show__dots button::after { content: ''; position: absolute; left: 0; right: 0; top: 8px; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, .38); }
.show__dots button::after { background: #fff; transform: scaleX(0); transform-origin: left; }
.show__dots button.on::after { animation: bar 6s linear forwards; }

/* Eckdaten unter dem Hero */
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(28px, 3vw, 44px); border-top: 1px solid var(--line); }
.facts div { padding: 20px 20px 4px 0; }
.facts div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.facts b { display: block; font-size: clamp(22px, 2vw, 28px); font-weight: 700; letter-spacing: -.035em; line-height: 1.1; }
.facts span { display: block; margin-top: 4px; font-size: 14.5px; color: var(--ink-3); }
@media (prefers-reduced-motion: reduce) { .show__img.on img { animation: none; transform: none; } }

/* Hero Vollbild (Variante A) */
.hA { padding: 0; }
.hA .show { border-radius: 0; height: min(86svh, 860px); min-height: 560px; }
.hA .show::after { background: radial-gradient(ellipse 52% 46% at 24% 56%, rgba(12,12,12,.58) 0%, rgba(12,12,12,.32) 50%, rgba(12,12,12,0) 100%), linear-gradient(0deg, rgba(12,12,12,.42), transparent 30%); }
.hA__txt h1, .hA__txt .lead, .hA__txt .kicker { text-shadow: 0 2px 6px rgba(0,0,0,.28), 0 4px 34px rgba(0,0,0,.45); }
@media (max-width: 1100px) { .hA .show::after { background: linear-gradient(0deg, rgba(12,12,12,.9) 0%, rgba(12,12,12,.62) 50%, rgba(12,12,12,.08) 85%); } }
.hA__txt { position: absolute; inset: 0; z-index: 3; display: flex; align-items: center; color: #fff; }
.hA__txt .kicker { color: rgba(255,255,255,.75); }
.hA__txt h1 { color: #fff; max-width: 11em; font-size: clamp(42px, 5.6vw, 88px); }
.hA__txt .lead { color: rgba(255,255,255,.85); max-width: 32em; }
.btn--ghost { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45); } .btn--ghost svg { color: #fff; } .btn--ghost:hover { box-shadow: inset 0 0 0 1.5px #fff; }
.hA__cap { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; }
.hA__cap .show__cap { position: static; padding: 0 0 22px; justify-content: flex-end; } .hA__cap .show__cap > div:first-child { margin-right: auto; }
.hA__bar { position: relative; z-index: 4; margin-top: -1px; }
.hA__q { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px; padding: 0; margin: 0; }
.hA__q a, .hA__q a:last-child { border-bottom: 1px solid var(--line); padding: 22px 0; }
@media (max-width: 1100px) { .hA__q { grid-template-columns: 1fr; } .hA__txt { align-items: flex-end; padding-bottom: 90px; } .hA .show { height: 640px; } }

/* ---------- Abschnitte ---------- */
.sec { padding: clamp(80px, 10vw, 140px) 0; }
.sec--soft { background: var(--soft); }
.head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px 56px; align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.head .kicker { grid-column: 1 / -1; }
.head p { margin: 0; font-size: 18px; color: var(--ink-2); max-width: 34em; }

/* Leistungen */
.svc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.4vw, 36px); }
.svc__img { position: relative; aspect-ratio: 4 / 3; border-radius: var(--r); overflow: hidden; background: var(--soft-2); }
.svc__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.svc__c:hover .svc__img img { transform: scale(1.03); }
.svc h3 { font-size: clamp(26px, 2.2vw, 30px); letter-spacing: -.035em; margin: 24px 0 10px; }
.svc h3 .svc__L { height: .82em; width: auto; flex: none; }
.svc__claim { margin: 0 0 18px; color: var(--ink-2); font-size: 16.5px; }
.svc ul { list-style: none; margin: 0; padding: 0; }
.svc li { display: flex; gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 15.5px; line-height: 1.45; }

/* 3D-Gebäudemodell in der Leistungskarte */
.m3d { background: linear-gradient(180deg, #F7F6F3, #ECEBE6); }
.m3d img { transition: opacity .8s ease, transform 1s var(--ease); }
.m3d__c { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .8s ease; }
.m3d.is-3d img { opacity: 0; }
.m3d.is-3d .m3d__c { opacity: 1; }
.m3d__tag { position: absolute; left: 12px; top: 12px; z-index: 2; font-size: 11.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; background: rgba(255, 255, 255, .92); color: var(--ink-2); padding: 5px 8px; border-radius: 4px; opacity: 0; transition: opacity .6s ease .4s; }
.m3d.is-3d .m3d__tag { opacity: 1; }

/* Referenzen */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip { height: 40px; padding: 0 16px; border-radius: 6px; border: 0; background: var(--soft); font-size: 15px; font-weight: 500; color: var(--ink-2); cursor: pointer; transition: background .2s, color .2s; }
.chip:hover { background: var(--soft-2); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: #fff; }
.gal { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: clamp(180px, 17vw, 250px); grid-auto-flow: dense; gap: 12px; }
.tile { position: relative; border-radius: 6px; overflow: hidden; background: var(--soft-2); }
.tile--big { grid-column: span 2; grid-row: span 2; }
.tile--wide { grid-column: span 2; }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.tile:hover img { transform: scale(1.03); }
.tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, .62)); opacity: .85; transition: opacity .35s; }
.tile:hover::after { opacity: 1; }
.tile__t { position: absolute; z-index: 2; left: 16px; right: 16px; bottom: 14px; color: #fff; }
.tile__t b { display: block; font-size: 16.5px; letter-spacing: -.01em; line-height: 1.25; }
.tile__t small { display: block; font-size: 13.5px; opacity: .85; }
.tile__tag { position: absolute; z-index: 2; left: 12px; top: 12px; font-size: 11.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; background: rgba(255, 255, 255, .92); color: var(--ink); padding: 5px 8px; border-radius: 4px; }
.tile.is-hidden, .more li.is-hidden { display: none; }
.more { margin-top: 36px; }
.more summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; font-weight: 600; padding: 12px 20px; border-radius: 6px; box-shadow: inset 0 0 0 1.5px var(--line-2); transition: box-shadow .2s; }
.more summary::-webkit-details-marker { display: none; }
.more summary:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.more summary::after { content: '+'; font-size: 20px; line-height: 1; color: var(--red); transition: transform .3s var(--ease); }
.more[open] summary::after { transform: rotate(45deg); }
.more ul { list-style: none; margin: 24px 0 0; padding: 0; columns: 2; column-gap: 48px; }
.more li { break-inside: avoid; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 16px; }
.more li span { color: var(--ink-3); font-size: 14px; }

/* Ablauf */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; }
.step { border-top: 2px solid var(--ink); padding: 22px 18px 0 0; }
.step__n { display: block; font-size: 14px; font-weight: 700; color: var(--red); margin-bottom: 14px; }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.5; }
.one { margin-top: clamp(48px, 6vw, 72px); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; border-top: 1px solid var(--line-2); padding-top: 28px; }
.one p { margin: 0; font-size: clamp(18px, 1.6vw, 22px); font-weight: 600; letter-spacing: -.02em; max-width: 38em; }
.one p span { color: var(--ink-3); font-weight: 400; }

/* Büro */
.office { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.office h2 { margin: 18px 0 22px; }
.people { margin-top: 30px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.person { background: var(--soft); border-radius: 6px; padding: 18px; display: flex; gap: 14px; align-items: center; }
.person__i { width: 46px; height: 46px; flex: none; border-radius: 6px; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 600; font-size: 15px; }
.person b { display: block; font-size: 16.5px; }
.person div span { display: block; font-size: 14px; color: var(--ink-3); }
.map { position: relative; border-radius: 8px; background: #F2F1ED; overflow: hidden; }
.map svg { display: block; width: 100%; height: auto; aspect-ratio: 7 / 6; }
.k-water { fill: #CFDCE2; }
.k-river { fill: none; stroke: #CFDCE2; stroke-linecap: round; stroke-linejoin: round; }
.k-river--big { stroke-width: 5; } .k-river--small { stroke-width: 1.6; }
.k-road { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.k-road--motorway { stroke: #C4C0B7; stroke-width: 1.7; } .k-road--trunk { stroke: #D3D0C9; stroke-width: 1.1; }
.k-orient { font: 500 11px var(--sans); fill: #9E9C97; letter-spacing: .02em; }
.k-copy { font: 400 9.5px var(--sans); fill: #9E9C97; }
.map .pt { cursor: pointer; outline: none; }
.map .pt circle { fill: var(--ink); stroke: #F2F1ED; stroke-width: 2; transition: fill .2s; }
.map .pt > text { font: 600 13.5px var(--sans); fill: var(--ink); paint-order: stroke; stroke: #F2F1ED; stroke-width: 3.5px; stroke-linejoin: round; }
.map .pt:hover circle, .map .pt:focus circle { fill: var(--red); }
.map .home .c { fill: var(--red); }
.map .home .ring { fill: rgba(229, 21, 33, .16); stroke: none; }
.map .home__t { font-size: 15.5px !important; font-weight: 700 !important; }
.map .tip { opacity: 0; pointer-events: none; transition: opacity .2s; }
.map .tip rect { fill: var(--ink); }
.map .tip__h { font: 600 13px var(--sans); fill: #fff; }
.map .tip__l { font: 400 12px var(--sans); fill: #C9CACD; }
.map .pt:hover .tip, .map .pt:focus .tip { opacity: 1; }
.map__info { margin: 0; padding: 12px 16px; font-size: 14.5px; color: var(--ink-2); border-top: 1px solid var(--line); background: #F7F6F3; min-height: 46px; }
.map__info b { color: var(--ink); }
@media (hover: hover) and (pointer: fine) { .map__info { display: none; } }
@media (hover: none) { .map .tip { display: none; } }

/* FAQ */
.faq { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(32px, 5vw, 80px); }
.faq h2 { margin-top: 18px; }
.qa details { border-top: 1px solid var(--line); }
.qa details:last-child { border-bottom: 1px solid var(--line); }
.qa summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 24px; padding: 22px 0; font-size: clamp(17.5px, 1.5vw, 20px); font-weight: 600; letter-spacing: -.02em; line-height: 1.35; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary i { flex: none; width: 28px; height: 28px; border-radius: 6px; background: var(--soft); position: relative; transition: background .25s; }
.qa summary i::before, .qa summary i::after { content: ''; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; background: var(--ink); transform: translate(-50%, -50%); }
.qa summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .35s var(--ease); }
.qa details[open] summary i { background: var(--red); }
.qa details[open] summary i::before, .qa details[open] summary i::after { background: #fff; }
.qa details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.qa .a { padding: 0 52px 24px 0; color: var(--ink-2); font-size: 16.5px; }
.qa .a p { margin: 0 0 10px; }

/* Kontakt */
.contact__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); }
.contact h2 { margin: 18px 0 22px; }
.big-tel { display: inline-flex; align-items: center; gap: 14px; margin-top: 30px; font-size: clamp(28px, 3.2vw, 42px); font-weight: 700; letter-spacing: -.04em; line-height: 1; transition: color .2s; }
.big-tel:hover { color: var(--red); }
.big-tel svg { width: .8em; height: .8em; color: var(--red); }
.cinfo { list-style: none; margin: 28px 0 0; padding: 0; }
.cinfo li { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 16.5px; }
.cinfo li > span:first-child { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); padding-top: 2px; }
.cinfo a { border-bottom: 1px solid var(--line-2); transition: border-color .2s, color .2s; }
.cinfo a:hover { color: var(--red); border-color: var(--red); }
.form { background: var(--soft); border-radius: 8px; padding: clamp(22px, 3.4vw, 44px); }
.form__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.field { display: block; margin-bottom: 14px; min-width: 0; }
.field > span { display: block; font-size: 14px; font-weight: 500; color: var(--ink-2); margin-bottom: 7px; }
.field input, .field textarea { width: 100%; border: 0; border-radius: 6px; background: #fff; padding: 15px 16px; font-size: 16px; box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow .2s; }
.field textarea { min-height: 130px; resize: vertical; line-height: 1.5; }
.field input:focus, .field textarea:focus { outline: 0; box-shadow: inset 0 0 0 2px var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: #9C9DA1; }
fieldset.field { border: 0; padding: 0; margin: 0 0 18px; }
fieldset.field legend { font-size: 14px; font-weight: 500; color: var(--ink-2); margin-bottom: 9px; padding: 0; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt { position: relative; }
.opt input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.opt span { display: inline-flex; align-items: center; height: 40px; padding: 0 16px; border-radius: 6px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); font-size: 15px; cursor: pointer; transition: background .2s, color .2s, box-shadow .2s; user-select: none; }
.opt span:hover { box-shadow: inset 0 0 0 1px var(--ink); }
.opt input:checked + span { background: var(--ink); color: #fff; box-shadow: none; }
.opt input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); line-height: 1.5; margin: 6px 0 22px; cursor: pointer; }
.consent input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--ink); flex: none; }
.consent a { text-decoration: underline; text-underline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
/* CAPTCHA (ALTCHA) passend zum hellen Formular */
.form__captcha { display: block; margin: 4px 0 18px;
  --altcha-max-width: 100%; --altcha-color-base: #fff; --altcha-color-base-content: var(--ink-2);
  --altcha-border-color: var(--line-2); --altcha-border-radius: 6px; --altcha-color-primary: var(--ink); --altcha-color-success: var(--ink); }
.form.is-sent .form__captcha { display: none; }
.form__foot { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.form__foot small { color: var(--ink-3); font-size: 14px; }
.form__msg { margin-top: 16px; padding: 14px 16px; border-radius: 12px; font-size: 15.5px; display: none; }
.form__msg.ok { display: block; background: var(--ink); color: #fff; }
.form__msg.err { display: block; background: #FDE8E9; color: #8A0B12; }
.form__msg a { text-decoration: underline; }
.form.is-sent .field, .form.is-sent .consent, .form.is-sent .form__row, .form.is-sent .form__foot, .form.is-sent fieldset { display: none; }

/* Fuß */
.foot { background: var(--dark); color: #B9BABD; padding: clamp(56px, 7vw, 88px) 0 34px; font-size: 15px; }
.foot__grid { display: grid; grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr)); gap: 32px; }
.foot__logo img { height: 40px; width: auto; }
.foot p { margin: 18px 0 0; max-width: 26em; line-height: 1.55; }
.foot h4 { margin: 0 0 14px; font-size: 12.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: #77787C; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { padding: 4px 0; }
.foot a { transition: color .2s; }
.foot a:hover { color: #fff; }
.foot__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13.5px; color: #77787C; }

/* Leiste unten (mobil) */
.mbar { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 40; display: none; gap: 8px; padding: 8px; border-radius: 10px; background: rgba(20, 20, 20, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transform: translateY(140%); transition: transform .45s var(--ease); }
.mbar.on { transform: none; }
.mbar a { flex: 1; --h: 48px; font-size: 15px; }

/* Einblenden: Hero nach dem Ladebildschirm, Abschnitte einmalig beim Scrollen */
@media (prefers-reduced-motion: no-preference) {
  .js [data-rv] { opacity: 0; transform: translateY(14px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
  .js [data-rv].in { opacity: 1; transform: none; }
  .js .hero [data-h] { opacity: 0; transform: translateY(12px); }
  .js.ready .hero [data-h] { opacity: 1; transform: none; transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
}

/* Rechtstexte */
.legal { padding: clamp(40px, 6vw, 80px) 0 clamp(80px, 9vw, 120px); }
.legal__in { max-width: 760px; }
.legal h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 800; letter-spacing: -.05em; margin: 18px 0 40px; }
.legal h2 { font-size: 22px; letter-spacing: -.02em; margin: 40px 0 12px; line-height: 1.25; }
.legal p, .legal li { color: var(--ink-2); font-size: 16.5px; }
.legal p { margin: 0 0 12px; }
.legal a { text-decoration: underline; text-underline-offset: 2px; }
.legal a:hover { color: var(--red); }
.legal .card { background: var(--soft); border-radius: var(--r); padding: 22px 24px; margin-bottom: 12px; }
.legal .card p { margin: 0; }

/* ---------- Responsiv ---------- */
@media (max-width: 1100px) {
  .nav, .top__cta, .top__tel { display: none; }
  .burger { display: grid; }
  .top [data-mobil] { display: inline-flex; margin-left: auto; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .hero__text { display: contents; }
  .hero .kicker { order: 1; margin-top: 8px; } .hero h1 { order: 2; } .hero .lead { order: 3; } .hero__cta { order: 4; margin-bottom: 26px; } .show { order: 5; } .quick { order: 6; }
  .show { height: clamp(380px, 62vw, 620px); }
  .quick { margin-top: 30px; padding-top: 0; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps .step:last-child { grid-column: span 2; }
  .office, .faq, .contact__grid { grid-template-columns: minmax(0, 1fr); }
  .foot__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot__grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .head { grid-template-columns: minmax(0, 1fr); }
  .svc { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .gal { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 170px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts div:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts div:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 16px; }
  .more ul { columns: 1; }
  .mbar { display: flex; }
  .foot { padding-bottom: 100px; }
}
@media (max-width: 560px) {
  :root { --head: 66px; }
  body { font-size: 16px; }
  .brand img { height: 28px; }
  .hero h1 { font-size: clamp(38px, 11vw, 52px); margin: 16px 0; }
  .hero__cta .btn { flex: 1 1 100%; }
  .show { height: 360px; }
  .show__cap { left: 14px; right: 14px; bottom: 14px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps .step:last-child { grid-column: auto; }
  .gal { grid-auto-rows: 150px; gap: 8px; }
  .form__row { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .people { grid-template-columns: minmax(0, 1fr); }
  .cinfo li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .qa .a { padding-right: 0; }
  .form__foot .btn { width: 100%; }
  .foot__grid { grid-template-columns: minmax(0, 1fr); }
  .map .pt > text { font-size: 17px; }
  .k-orient { font-size: 13px; }
  .map .pt circle { r: 6.5; }
}