/* Raleway – lokal eingebunden (DSGVO-freundlich, kein Google-Server). Dateien siehe assets/fonts/LIESMICH.txt */
@font-face{font-family:"Raleway";font-style:normal;font-weight:400;font-display:swap;src:local("Raleway"),url("fonts/Raleway-400.woff2") format("woff2")}
@font-face{font-family:"Raleway";font-style:normal;font-weight:700;font-display:swap;src:local("Raleway Bold"),local("Raleway-Bold"),url("fonts/Raleway-700.woff2") format("woff2")}
:root{--ink:#1d2a33;--steel:#53636e;--sheet:#f3f4f2;--white:#fff;--signal:#2C6494;--navy:#16456e;--line:#d5d9d6;--max:900px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font:17px/1.65 "Raleway","Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--sheet);overflow-x:clip}
img{max-width:100%;height:auto}
a{color:var(--ink);text-decoration-color:var(--signal);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{background:var(--signal)}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:var(--signal);padding:8px 12px;z-index:99}

/* Header: Bild über volle Breite, darunter zentriertes Menü */
.site-header{background:var(--ink);line-height:0;width:100%;overflow:hidden}
.header-img{display:block;width:100%;max-width:100%;height:clamp(120px,22vw,250px);object-fit:cover}

/* Menü */
.main-nav{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;width:100%}
.main-nav ul{list-style:none;margin:0 auto;padding:0;display:flex;justify-content:center;flex-wrap:wrap;max-width:1200px}
.main-nav a{display:block;color:#dfe4e1;text-decoration:none;padding:14px 16px;font-size:.95rem;font-weight:400}
.main-nav a:hover{background:#2d3d49;color:#fff}
.main-nav a[aria-current]{color:#fff;background:var(--signal)}
.burger{display:none}
/* Checkbox bleibt per Tastatur erreichbar (nicht display:none), ist aber unsichtbar */
.nav-toggle{position:absolute;opacity:0;width:1px;height:1px;margin:0;pointer-events:none}
@media (min-width:901px){.nav-toggle{display:none}}

/* Hero */
.hero{background:var(--navy);color:#fff;padding:84px 0 72px}
.hero h1{font-size:clamp(2rem,5.5vw,3.6rem);line-height:1.1;margin:0 0 18px;max-width:18ch;letter-spacing:-.01em}
.hero p{max-width:56ch;font-size:1.15rem;color:#fff;margin:0 0 28px}
.page-head{background:#fff;padding:20px 0 15px}
.page-head h1{margin:0;color:#292929;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.15}
.page-head p{margin:8px 0 0;color:#292929;max-width:80ch}

input,textarea,select,button{font-family:inherit}
.btn{display:inline-block;background:var(--navy);color:#fff;padding:13px 24px;text-decoration:none;border:0;font:inherit;font-weight:400;cursor:pointer}
.btn:hover{background:#292929}
.btn.dark{background:var(--ink);color:#fff}.btn.dark:hover{background:var(--steel)}

/* Inhalt */
.section{padding:56px 0}
.section.alt{background:var(--white);border-block:1px solid var(--line)}
h1,h2,h3,h4,h5,h6{font-weight:700}
h2{font-size:1.6rem;line-height:1.25;margin:0 0 14px}
h3{font-size:1.15rem;margin:0 0 6px}
.text{max-width:1200px}
.grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));margin-top:28px}
.tile{background:var(--white);border:1px solid var(--line);border-top:6px solid var(--signal);padding:22px}
.alt .tile{background:var(--sheet)}
.tile p{margin:0 0 12px;color:var(--steel)}
.steps{counter-reset:s;list-style:none;padding:0;margin:28px 0 0;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr))}
.steps li{counter-increment:s;padding-top:14px;border-top:4px solid var(--ink)}
.steps li::before{content:"Schritt " counter(s);display:block;font-weight:700;color:var(--steel);font-size:.9rem;margin-bottom:4px}
ul.check{padding-left:1.2em}ul.check li{margin:6px 0}
.note{background:#fff7d6;border-left:6px solid var(--signal);padding:14px 18px;margin:24px 0}
table{border-collapse:collapse;width:100%;background:var(--white)}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left}
th{background:var(--ink);color:#fff}
.table-scroll{overflow-x:auto}

/* Formular */
form.contact{display:grid;gap:16px;max-width:620px}
label{font-weight:400;display:block;margin-bottom:4px}
input[type=text],input[type=email],input[type=tel],textarea,select{width:100%;padding:11px 12px;border:2px solid var(--steel);background:#fff;font:inherit;color:inherit}
textarea{min-height:150px}
.hp{position:absolute;left:-9999px}
.msg{padding:14px 18px;margin-bottom:20px;border-left:6px solid}
.msg.ok{background:#e6f3e8;border-color:#2e7d46}.msg.err{background:#fbe9e7;border-color:#c0392b}

/* Intro-Zeile unter dem Menü */
.intro-zeile{text-align:center;margin:20px 0;font-size:1.8rem;color:#0b2a4a;padding:0 10px}
.intro-zeile p{margin:0}

/* Slider (reines CSS, 5 Bilder à 4 s, weicher Übergang) */
.slider{position:relative;width:100%;aspect-ratio:2/1;overflow:hidden;background:var(--ink);margin:32px 0}

.slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .8s ease}
.slide.active,.slider:not(.js) .slide:first-child{opacity:1}
.dots{position:absolute;left:0;right:0;bottom:6px;display:flex;justify-content:flex-end;padding:0 10px;z-index:2}
.dots button{width:24px;height:24px;padding:0;border:0;background:none;cursor:pointer}
.dots button::before{content:"";display:block;width:10px;height:10px;margin:7px;border-radius:50%;background:transparent;border:2px solid #fff;box-shadow:0 0 0 1px rgba(11,42,74,.5);transition:background .2s}
.dots button:hover::before{background:rgba(255,255,255,.7)}
.dots button[aria-current="true"]::before{background:#fff}
.dots button:focus-visible{outline:3px solid #fff;outline-offset:-2px}
.slide img{display:block;width:100%;height:100%;object-fit:cover}
.slide figcaption{position:absolute;left:0;bottom:24px;display:inline-block;width:max-content;max-width:90%;background:var(--signal);color:#fff;font-size:14pt;font-weight:400;line-height:1.3;padding:8px 16px}

.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Kacheln 2 x 2 mit Hover-Overlay */
.kacheln{display:grid;grid-template-columns:1fr 1fr;gap:0;width:100%;max-width:660px;margin:0 auto 40px}
.kachel{--pt:8px;--pr:8px;--pb:8px;--pl:8px;position:relative;display:block;width:100%;max-width:330px;padding:var(--pt) var(--pr) var(--pb) var(--pl);text-decoration:none}
.kachel:nth-child(odd){--pr:4px}.kachel:nth-child(even){--pl:4px}
.kachel:nth-child(-n+2){--pb:4px}.kachel:nth-child(n+3){--pt:4px}
.kachel:hover{background:none}
.kachel img{display:block;width:330px;height:222px;margin:0 auto;object-fit:cover;background:var(--ink)}
.kachel-text{position:absolute;inset:var(--pt) var(--pr) var(--pb) var(--pl);display:flex;align-items:center;justify-content:center;text-align:center;padding:16px;
  background:rgba(255,255,255,.82);color:#0b2a4a;font-weight:700;font-size:1rem;opacity:0;transition:opacity .3s ease}
.kachel:hover .kachel-text,.kachel:focus-visible .kachel-text{opacity:1}
.kachel:focus-visible{outline:3px solid var(--signal);outline-offset:2px}

/* Footer */
.site-footer{background:var(--navy);color:#d7dedb;border-top:2px solid var(--signal);padding:36px 0 18px}
.site-footer a{color:#fff}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot ul{list-style:none;margin:0;padding:0}
.copy{margin-top:24px;font-size:.85rem;color:#9fb0aa}

/* Tablet & Smartphone */
@media (max-width:900px){
  /* Header: ganzes Bild passt sich der Displaybreite an, nichts wird abgeschnitten */
  .site-header{line-height:normal}
  .header-img{height:auto;object-fit:contain}
  /* Burger-Menü bleibt erhalten */
  .burger{display:flex;align-items:center;gap:10px;cursor:pointer;padding:12px 20px;font-weight:700}
  .burger span{display:none}
  .main-nav ul{display:none;flex-direction:column;padding:0 20px 12px}
  .nav-toggle:checked ~ ul{display:flex}
  .nav-toggle:focus-visible + .burger{outline:3px solid var(--signal)}
  .slide figcaption{font-size:12pt;bottom:12px}
}
/* Kacheln einspaltig und fluid, sobald 2 x 330px nicht mehr passen (Desktop bleibt unverändert) */
@media (max-width:720px){
  .kacheln{grid-template-columns:1fr;max-width:none}
  .kacheln .kachel:nth-child(n){--pt:4px;--pb:4px;--pr:0px;--pl:0px;max-width:none}
  .kachel img{width:100%;height:auto;aspect-ratio:330/222;margin:0}
}
@media (max-width:600px){
  .intro-zeile{font-size:1.35rem}
  .kachel-text{font-size:.85rem}
}
@media (hover:none){
  .kachel-text{opacity:1;inset:auto var(--pr) var(--pb) var(--pl);padding:10px 12px;background:rgba(255,255,255,.88)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.slide{transition:none}.kachel-text{transition:none}}
/* Containerdienst: Foto, Infobox, Adresse */
.foto{display:block;width:100%;height:auto;margin:0 0 32px}
.infobox{background:#eaf1f8;border:1px solid #cbd9e8;border-left:6px solid var(--signal);padding:22px 26px;margin:32px 0}
.infobox h2{margin-top:0}
.infobox p{margin:0}
address{font-style:normal;margin:0 0 24px;padding-left:16px;border-left:3px solid var(--line)}

/* Mehr Abstand über Überschriften im Seiteninhalt */
.section .wrap > h2:not(:first-child){margin-top:2.2em}
.section .wrap > h3:not(:first-child){margin-top:1.8em}

/* Link unter den Projektschritten, rechtsbündig */
.mehr-link{text-align:right;margin:16px 0 0;font-weight:400}
.mehr-link a{display:inline-block;padding:4px 8px}
.mehr-link a:hover{color:#fff}

/* Startseite: Slogan im gleichen weißen Kopfbereich wie auf den Unterseiten */
.page-head--home{display:flex;align-items:center;
  min-height:calc(clamp(1.7rem,4vw,2.5rem)*1.15 + 8px + 28.05px + 35px)}
.page-head--home .wrap{width:100%}
.page-head--home .slogan{margin:0;max-width:none;text-align:center;font-size:1.8rem;line-height:1.15;font-weight:400;color:#000}
@media (max-width:600px){.page-head--home .slogan{font-size:1.35rem}}