/* Pettellino Trockenbau: Gestaltung nach der Vorlage bam-renovation.com (Messwerte in PLAN.md) */
:root {
  --gelb: #FFCB03;
  --tinte: #1D1D1B;
  --weiss: #FFFFFF;
  --grau: #F4F4F4;
  --grau2: #E5E5E5;
  --rand: clamp(16px, 4vw, 64px);
  --mono: 'Space Mono', ui-monospace, Menlo, Consolas, monospace;
  --logo: 'Rubik Mono One', 'Arial Black', sans-serif;
  --acht: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
  --ecke: polygon(0 0, 86% 0, 100% 12%, 100% 100%, 14% 100%, 0 88%);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; background: var(--weiss); color: var(--tinte); font: 400 16px/24px var(--mono); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
b { font-weight: 700; }
h1, h2, h3, p, ul, ol { margin: 0; }
.h1 { font: 700 clamp(30px, 3.5vw, 50px)/1.1 var(--mono); text-transform: uppercase; letter-spacing: -0.01em; }
.gelb-text { color: var(--gelb); }
.raster { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 96px); padding: 0 var(--rand); align-items: center; }
.ecke { clip-path: var(--ecke); overflow: hidden; }
.ecke img { width: 100%; height: 100%; object-fit: cover; }
.acht { display: inline-block; width: .62em; height: .62em; background: var(--gelb); clip-path: var(--acht); flex: none; }

/* Knöpfe (BAM: Pille, Radius 28,8 px, 14,4 x 64 px, 18 px Versalien) */
.pille { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14.4px 64px; border-radius: 28.8px; font: 400 18px/27px var(--mono); text-transform: uppercase; text-decoration: none; border: 0; cursor: pointer; transition: transform .25s ease, background-color .25s ease, color .25s ease; white-space: nowrap; }
.pille:hover { transform: translateY(-2px); }
.pille.gelb { background: var(--gelb); color: var(--tinte); }
.pille.gelb:hover { background: var(--tinte); color: var(--gelb); }
.pille.schwarz { background: var(--tinte); color: var(--weiss); }
.pille.schwarz:hover { background: var(--weiss); color: var(--tinte); }
.pille.weiss { background: var(--weiss); color: var(--tinte); }
.pille.weiss:hover { background: var(--tinte); color: var(--weiss); }

/* Kopf (BAM: weiße Leiste, 18 px fette Versalien, schwarze Pille) */
.kopf { position: fixed; z-index: 50; top: 10px; left: 10px; right: 10px; display: flex; align-items: center; gap: clamp(14px, 2.4vw, 36px); background: var(--weiss); padding: 10px 12px 10px 20px; }
.kopf-logo { font: 400 22px/1 var(--logo); text-decoration: none; letter-spacing: -.02em; margin-right: auto; }
.kopf-nav { display: flex; gap: clamp(14px, 2.4vw, 40px); }
.kopf-nav a, .kopf-sprache { font: 700 15px/27px var(--mono); text-transform: uppercase; text-decoration: none; }
.kopf-nav a:hover, .kopf-sprache:hover { text-decoration: underline; text-underline-offset: 5px; }
.kopf-sprache { border: 2px solid var(--tinte); border-radius: 20px; padding: 0 10px; }
.kopf-cta { padding: 8px 26px; font-size: 15px; }
.kopf-menue { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; position: relative; }
.kopf-menue span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--tinte); transition: transform .3s; }
.kopf-menue span:first-child { top: 17px; } .kopf-menue span:last-child { top: 26px; }
.kopf-menue[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.kopf-menue[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
.menue-flaeche { position: fixed; z-index: 49; inset: 0; background: var(--gelb); padding: 110px var(--rand) 40px; display: flex; flex-direction: column; gap: 22px; }
.menue-flaeche[hidden] { display: none; }
.menue-flaeche a { font: 700 30px/1.1 var(--mono); text-transform: uppercase; text-decoration: none; }
.menue-flaeche .pille { font-size: 18px; align-self: flex-start; background: var(--tinte); color: var(--weiss); }

/* Hero mit Farbrolle */
.hero { position: relative; height: 100vh; height: 100svh; overflow: hidden; }
.hero-buehne { position: absolute; inset: 0; }
.wand { position: absolute; inset: 0; background-color: #EEEDE9;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
.logo-skizze, .logo-gross { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%); margin: 0; font: 400 clamp(46px, 10.6vw, 200px)/1 var(--logo); letter-spacing: -.02em; white-space: nowrap; }
.logo-skizze { color: transparent; -webkit-text-stroke: 1.4px rgba(29, 29, 27, .28); }
.farbe { position: absolute; inset: 0; background: var(--gelb) url("../bilder/farbe-1920.webp") center / cover; clip-path: polygon(0 0, 0 0, 0 0); }
.hero-inhalt { position: absolute; inset: 0; }
.logo-gross { color: var(--tinte); }
.hero-gewerke { position: absolute; left: 50%; top: calc(46% + clamp(30px, 6.4vw, 120px)); transform: translateX(clamp(0px, 14vw, 260px)); display: flex; flex-direction: column; font: 700 clamp(15px, 1.6vw, 22px)/1.15 var(--mono); text-transform: uppercase; }
.rolle { position: absolute; left: 0; top: 0; width: 25vw; height: auto; pointer-events: none; will-change: transform; filter: drop-shadow(0 18px 22px rgba(0, 0, 0, .25)); transform: translate(-200%, -200%); }
.hero-ort { position: absolute; left: var(--rand); bottom: 34px; font: 700 14px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; }
.hero-hinweis { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); font: 700 14px/1 var(--mono); text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hero-hinweis i { width: 2px; height: 34px; background: var(--tinte); animation: hinweis 1.6s ease-in-out infinite; transform-origin: top; }
@keyframes hinweis { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }
.hero-knoepfe { position: absolute; right: var(--rand); bottom: 26px; display: flex; gap: 12px; opacity: 0; pointer-events: none; }
.hero.fertig .hero-knoepfe { pointer-events: auto; }

/* Treppenkante unter dem Hero (BAM: gelbe Fläche läuft schräg aus) */
.treppe-gelb { height: clamp(60px, 9vw, 136px); background: var(--gelb) url("../bilder/farbe-1920.webp") center bottom / cover; clip-path: polygon(0 0, 100% 0, 100% 100%, 58% 100%, 50% 0); margin-bottom: calc(clamp(60px, 9vw, 136px) * -1); position: relative; z-index: 2; }

/* Einleitung */
.intro { position: relative; padding: 0 0 clamp(60px, 8vw, 120px); }
.intro .raster { padding-left: 0; grid-template-columns: 1.05fr 1fr; }
.intro-bild { aspect-ratio: 720 / 920; }
.intro-text { display: flex; flex-direction: column; gap: 18px; padding-top: clamp(40px, 6vw, 110px); max-width: 560px; }
.intro-text .h1 { margin-bottom: 14px; }

/* Riesenwort am Übergang (BAM „EXPERTS“) */
.riesenwort { position: relative; overflow: hidden; background: linear-gradient(var(--weiss) 54%, var(--tinte) 54%); padding: 0; }
.riesenwort span { display: block; white-space: nowrap; font: 700 clamp(48px, 11.6vw, 220px)/.86 var(--mono); text-transform: uppercase; letter-spacing: -.04em;
  background: linear-gradient(var(--tinte) 54%, var(--weiss) 54%); -webkit-background-clip: text; background-clip: text; color: transparent; padding: 0 var(--rand); will-change: transform; }

/* Leistungen (dunkel, BAM „NOS EXPERTISES“) */
.dunkel { background: var(--tinte); color: var(--weiss); }
.leistungen { padding: clamp(50px, 6vw, 96px) 0 clamp(70px, 9vw, 140px); }
.leist-kopf { align-items: start; margin-bottom: clamp(40px, 6vw, 90px); }
.leist-kopf div { display: flex; flex-direction: column; gap: 16px; max-width: 560px; }
.karten { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 48px); padding: 0 var(--rand); }
.karte { display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 761px) { .karte:nth-child(2) { margin-top: clamp(50px, 7vw, 120px); } .karte:nth-child(3) { margin-top: clamp(100px, 14vw, 240px); } }
.karte .ecke { aspect-ratio: 576 / 657; }
.karte h3 { font: 700 clamp(22px, 2.1vw, 30px)/1.1 var(--mono); text-transform: uppercase; color: var(--gelb); margin-top: 10px; }
.karte ul { list-style: none; padding: 0; font-size: 14px; line-height: 21px; }
.karte .pille { align-self: flex-start; margin-top: 8px; padding: 12px 40px; font-size: 16px; }

/* Laufbänder */
.band { overflow: hidden; white-space: nowrap; }
.band-lauf { display: inline-flex; align-items: center; animation: lauf-rechts 50s linear infinite; }
.band-lauf-links { animation: lauf-links 40s linear infinite; }
@keyframes lauf-rechts { from { transform: translateX(-33.333%); } to { transform: translateX(0); } }
@keyframes lauf-links { from { transform: translateX(0); } to { transform: translateX(-25%); } }
.band-gross { padding: clamp(18px, 2.4vw, 34px) 0; }
.band-gross span { font: 700 clamp(44px, 7.4vw, 120px)/1 var(--mono); text-transform: uppercase; letter-spacing: -.03em; padding: 0 .3em; }
.band-gross .acht { width: clamp(34px, 5.6vw, 92px); height: clamp(34px, 5.6vw, 92px); }
.band-grau { background: var(--grau); padding: 40px 0; }
.band-grau span { font: 400 clamp(30px, 3.5vw, 50px)/1.1 var(--mono); text-transform: uppercase; padding: 0 .55em; }
.band-grau span.g7 { font-weight: 700; }

/* Satz, der sich mit Farbe füllt */
.satz-sektion { padding: clamp(80px, 12vw, 200px) var(--rand); }
.satz { font: 700 clamp(28px, 4.2vw, 64px)/1.12 var(--mono); text-transform: uppercase; letter-spacing: -.02em; max-width: 1300px; }
.satz .w { color: #D6D5D0; transition: color .2s linear; }
.satz .w.an { color: var(--tinte); }
.satz .w.k.an { background: linear-gradient(transparent 58%, var(--gelb) 58%); }

/* Vorher/Nachher */
.vn { position: relative; height: 100vh; height: 100svh; overflow: hidden; }
.vn-buehne { position: absolute; inset: 0; }
.vn-bild { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.vn-nachher-hulle { position: absolute; inset: 0; clip-path: circle(0% at 50% 55%); }
.vn-ring { position: absolute; left: 50%; top: 55%; width: 0; height: 0; transform: translate(-50%, -50%); border: 6px solid var(--gelb); border-radius: 50%; pointer-events: none; opacity: 0; box-shadow: 0 0 0 1px rgba(29, 29, 27, .15); }
.vn-text { position: absolute; left: var(--rand); bottom: clamp(24px, 5vw, 70px); background: var(--weiss); padding: 26px 30px; max-width: 460px; clip-path: var(--ecke); display: flex; flex-direction: column; gap: 12px; }
.vn-marke { position: absolute; top: 96px; right: var(--rand); font: 700 15px/1 var(--mono); text-transform: uppercase; background: var(--tinte); color: var(--weiss); padding: 10px 18px; border-radius: 20px; transition: opacity .3s; }
.vn-marke-nachher { background: var(--gelb); color: var(--tinte); opacity: 0; }

/* Großaufträge (gelb, BAM-Werte mit Umriss-Muster) */
.gelb-flaeche { background: var(--gelb); position: relative; overflow: hidden; }
.gross { padding: clamp(70px, 9vw, 140px) 0; }
.muster { position: absolute; inset: -20% -10%; transform: rotate(-11deg); display: flex; flex-direction: column; pointer-events: none; }
.muster span { white-space: nowrap; font: 700 clamp(46px, 7vw, 110px)/1 var(--mono); color: transparent; -webkit-text-stroke: 1.4px rgba(29, 29, 27, .22); text-transform: uppercase; }
.muster span:nth-child(even) { margin-left: -2.2em; }
.gross-raster { position: relative; }
.gross-text { display: flex; flex-direction: column; gap: 18px; max-width: 560px; }
.gross-text .pille { align-self: flex-start; margin-top: 10px; }
.gross-bild { aspect-ratio: 16 / 10; }

/* Ablauf mit Beratungsfoto (BAM „CARRIÈRE“) */
.ablauf { padding: clamp(80px, 10vw, 160px) 0; }
.ablauf .raster { grid-template-columns: 1fr 1.15fr; padding-right: 0; }
.ablauf-text { display: flex; flex-direction: column; gap: 26px; max-width: 560px; }
.ablauf-liste { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.ablauf-liste li { display: grid; grid-template-columns: 26px 1fr; column-gap: 14px; align-items: baseline; }
.ablauf-liste .acht { width: 18px; height: 18px; transform: translateY(2px); }
.ablauf-liste b { font: 700 20px/1.2 var(--mono); text-transform: uppercase; }
.ablauf-liste span { grid-column: 2; font-size: 15px; line-height: 22px; }
.ablauf-bild { position: relative; aspect-ratio: 3 / 2; }
.auf-foto { position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%); }
.auf-foto:hover { transform: translate(-50%, -2px); }

/* Anfrage (Five Star: Angebot in 2 Minuten) */
.anfrage { padding: clamp(80px, 10vw, 150px) 0; border-top: 1px solid var(--grau2); }
.anfrage .raster { align-items: start; }
.anfrage-text { display: flex; flex-direction: column; gap: 18px; max-width: 520px; }
.anfrage-tel { margin-top: 10px; font-weight: 700; text-transform: uppercase; }
.anfrage-tel a { font: 400 clamp(28px, 3vw, 44px)/1.2 var(--logo); text-decoration: none; display: inline-block; margin-top: 6px; }
.formular { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 26px; }
.formular label { display: flex; flex-direction: column; gap: 8px; font: 700 13px/1 var(--mono); text-transform: uppercase; }
.formular .breit { grid-column: 1 / -1; }
.formular input, .formular select, .formular textarea { font: 400 16px/24px var(--mono); color: var(--tinte); background: var(--grau); border: 0; border-bottom: 2px solid var(--tinte); padding: 12px 14px; border-radius: 0; width: 100%; }
.formular input:focus, .formular select:focus, .formular textarea:focus { outline: 3px solid var(--gelb); outline-offset: 0; }
.formular button { grid-column: 1 / -1; justify-self: start; }
.formular-danke { grid-column: 1 / -1; background: var(--gelb); padding: 16px 20px; font-weight: 700; }

/* Fuß (BAM: 4 Spalten) */
.fuss { padding: 70px var(--rand) 26px; }
.fuss-raster { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; }
.fuss-raster div { display: flex; flex-direction: column; gap: 10px; font-size: 14px; line-height: 21px; }
.fuss-raster a { text-decoration: none; }
.fuss-raster a:hover { text-decoration: underline; }
.fuss-logo { font: 400 28px/1 var(--logo); }
.fuss-h { font: 700 22px/1.2 var(--mono); text-transform: uppercase; margin-bottom: 6px; }
.fuss-unten { display: flex; gap: 24px; flex-wrap: wrap; font-size: 12.25px; border-top: 1px solid var(--grau2); padding-top: 18px; }
.fuss-unten a { margin-left: auto; }

/* Einblenden */
.einblenden { opacity: 0; transform: translateY(40px); }

/* Handy */
@media (max-width: 960px) {
  .kopf-nav, .kopf-cta { display: none; }
  .kopf-menue { display: block; }
  .kopf { padding: 6px 6px 6px 16px; }
}
@media (max-width: 760px) {
  body { font-size: 15px; line-height: 23px; }
  .raster, .intro .raster, .ablauf .raster { grid-template-columns: 1fr; padding: 0 var(--rand); }
  .intro .raster { padding-left: 0; }
  .intro-text, .ablauf-text { padding: 0 var(--rand); }
  .intro-text { padding-top: 6px; }
  .intro-bild { margin-right: 18%; }
  .ablauf .raster { padding-right: 0; }
  .ablauf-text { padding-left: 0; }
  .ablauf-bild { margin-left: calc(var(--rand) * -1); }
  .karten { grid-template-columns: 1fr; gap: 50px; }
  .karte .ecke { aspect-ratio: 4 / 3.6; }
  .pille { padding: 12px 30px; font-size: 16px; }
  .hero-knoepfe { left: var(--rand); right: var(--rand); bottom: 84px; flex-direction: column; align-items: stretch; }
  .hero-ort { bottom: 24px; font-size: 12px; }
  .hero-hinweis { bottom: 22px; left: auto; right: var(--rand); transform: none; font-size: 12px; }
  .logo-skizze, .logo-gross { top: 40%; font-size: 9.6vw; }
  .hero-gewerke { top: calc(40% + 8vw); transform: translateX(6vw); font-size: 14px; }
  .vn-text { left: 12px; right: 12px; max-width: none; padding: 20px; }
  .vn-marke { top: 84px; }
  .formular { grid-template-columns: 1fr; }
  .fuss-raster { grid-template-columns: 1fr 1fr; gap: 32px; }
  .fuss-raster div:first-child { grid-column: 1 / -1; }
  .fuss-unten a { margin-left: 0; }
  .band-grau { padding: 26px 0; }
}
@media (prefers-reduced-motion: reduce) {
  .band-lauf, .hero-hinweis i { animation: none; }
  .einblenden { opacity: 1; transform: none; }
}