/* =========================================================
   Metallbau Kusmic MBK – zentrales Stylesheet
   Wird von allen Seiten eingebunden. Eine Änderung hier
   wirkt sich sofort auf die gesamte Website aus.
   ========================================================= */

:root{--blue:#0874d1;--dark:#07162d;--text:#0b1930;--muted:#5d6877;--line:#dbe3ec;--bg:#f7f9fc}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:white}
a{text-decoration:none;color:inherit}.top{height:4px;background:var(--blue)}

/* ---------- Kopfbereich ---------- */
header{height:82px;background:#fff;border-bottom:1px solid #e7ebef;display:flex;align-items:center;position:sticky;top:0;z-index:20}
.nav{width:min(1460px,calc(100% - 40px));margin:auto;display:flex;align-items:center;gap:35px}
.logo{display:flex;align-items:center;gap:12px;margin-right:auto}.logo-mark{width:50px;height:50px;position:relative}.logo-mark:before,.logo-mark:after{content:"";position:absolute;inset:5px 17px;background:#7b8795;clip-path:polygon(0 0,100% 22%,65% 100%,0 74%)}.logo-mark:after{background:var(--blue);transform:translateX(16px) scale(.72)}
.logo b{font-size:27px;letter-spacing:-1px}.logo b span{color:var(--blue)}.logo small{display:block;font-size:9px;letter-spacing:2px;margin-top:2px}
.quote{background:#0874d1;color:#fff;padding:16px 25px;border-radius:3px;font-size:14px;font-weight:800}.quote:hover{background:#075faa}
.menu{display:none;background:white;border:1px solid var(--line);padding:10px 13px;font-size:22px}

/* ---------- Navigation mit Untermenüs ---------- */
nav{display:flex;gap:35px;height:100%;align-items:center}
nav>a,.has-sub>a{font-size:14px;font-weight:700;height:100%;display:flex;align-items:center;border-bottom:3px solid transparent;white-space:nowrap}
nav>a:hover,nav>a.active,.has-sub>a:hover,.has-sub>a.active,.has-sub:hover>a{color:var(--blue);border-color:var(--blue)}
.has-sub{position:relative;height:100%;display:flex;align-items:center}
.caret{background:none;border:0;padding:0 0 0 6px;font-size:10px;color:inherit;font-family:inherit;line-height:1;pointer-events:none}
.sub{position:absolute;top:100%;left:-18px;min-width:246px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);box-shadow:0 14px 32px #0f213a22;padding:7px 0;display:none;z-index:30}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{display:block;padding:11px 18px;font-size:13.5px;font-weight:600;color:var(--text);border-left:3px solid transparent}
.sub a:hover,.sub a.active{background:var(--bg);color:var(--blue);border-left-color:var(--blue)}

/* ---------- Startseite: Hero ---------- */
.hero{--hero-fade:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.86) 37%,rgba(255,255,255,.06) 65%);height:490px;background-image:var(--hero-fade),url("hero.jpg");background-size:cover;background-position:center;position:relative}
.hero-in{width:min(1460px,calc(100% - 40px));margin:auto;padding-top:67px}
.eyebrow{font-size:13px;letter-spacing:7px;font-weight:500;margin-bottom:13px}.eyebrow:after{content:"";display:inline-block;width:44px;height:3px;background:var(--blue);vertical-align:middle;margin-left:18px}
h1{font-size:70px;line-height:.94;margin:0 0 18px;font-weight:900;letter-spacing:-2px}h1 span{color:var(--blue)}
.hero p{font-size:20px;line-height:1.4;max-width:470px;margin:0 0 24px}
.buttons{display:flex;gap:22px}
.btn{padding:16px 29px;background:var(--blue);color:#fff;font-size:14px;font-weight:800;border-radius:3px;display:inline-block}.btn:hover{background:#075faa}
.btn.alt{background:#fff;color:var(--dark);border:1px solid #90a1b4}.btn.alt:hover{background:#fff;border-color:var(--blue);color:var(--blue)}

/* ---------- Nutzenleiste ---------- */
.benefits{background:#fff;box-shadow:0 8px 25px #172b3d10;position:relative;z-index:2}
.benefit-in{width:min(1460px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:repeat(4,1fr)}
.benefit{padding:25px 28px;display:flex;gap:18px;align-items:center;border-right:1px solid var(--line)}.benefit:last-child{border:0}
.ico{font-size:37px;line-height:1}.benefit b{font-size:18px;display:block;margin-bottom:4px}.benefit span{font-size:13px;color:#435064}

/* ---------- Bildkarten ---------- */
.cards{width:min(1460px,calc(100% - 40px));margin:25px auto 70px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.card{height:291px;border-radius:3px;overflow:hidden;position:relative;color:#fff;background:#172231;display:block}
.card img{width:100%;height:100%;object-fit:cover;display:block;transition:.35s}.card:hover img{transform:scale(1.04)}
/* Dunkler Schleier über dem Foto, damit Titel und Pfeil klar lesbar bleiben.
   Beim Darüberfahren wird er heller, dann tritt das Foto in den Vordergrund. */
.card:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(4,12,24,.9) 0%,rgba(4,12,24,.78) 18%,rgba(4,12,24,.45) 42%,rgba(4,12,24,.22) 70%,rgba(4,12,24,.16) 100%);transition:.35s}
.card:hover:after{background:linear-gradient(to top,rgba(4,12,24,.86) 0%,rgba(4,12,24,.66) 20%,rgba(4,12,24,.26) 48%,rgba(4,12,24,.05) 78%,transparent 100%)}
.card-t{position:absolute;left:17px;right:62px;bottom:17px;z-index:2}
.card h2{margin:0 0 3px;font-size:20px;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.card p{margin:0;font-size:14px;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.arrow{position:absolute;right:14px;bottom:14px;border:1px solid #fff;width:37px;height:37px;display:grid;place-items:center;font-size:22px;z-index:3}

/* ---------- Standardabschnitte ---------- */
.section{padding:75px 20px;background:var(--bg)}
.section.white{background:#fff}
.container{width:min(1100px,100%);margin:auto}
.container.wide{width:min(1460px,100%)}
.section h2{font-size:42px;margin:0 0 15px}
.section p{color:var(--muted);max-width:760px;font-size:17px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.box{background:#fff;border:1px solid var(--line);padding:27px}
.box h3{margin:0 0 9px}.box p{font-size:14px;margin:0}
.section.white .box{background:var(--bg)}
.more{display:inline-block;margin-top:22px;font-weight:800;font-size:14px;color:var(--blue)}.more:hover{text-decoration:underline}

/* ---------- Kontaktformular ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.form{display:grid;gap:12px}
.form input,.form textarea{width:100%;border:1px solid var(--line);padding:13px;font-family:inherit;font-size:15px;background:#fff}
.form textarea{height:130px}
.form button{border:0;cursor:pointer;font-family:inherit}

/* ---------- Fußbereich ---------- */
footer{background:#07162d;color:#dce6f2;padding:52px 20px 26px}
.foot-cols{width:min(1460px,100%);margin:auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-cols h4{font-size:13px;letter-spacing:1.5px;margin:0 0 14px;color:#fff}
.foot-cols a,.foot-cols p{display:block;font-size:13.5px;color:#aebfd4;margin:0 0 9px;line-height:1.5}
.foot-cols a:hover{color:#fff}
.foot-brand b{font-size:21px;color:#fff;letter-spacing:-.5px}.foot-brand b span{color:#3d9ae6}
.foot{width:min(1460px,100%);margin:34px auto 0;padding-top:20px;border-top:1px solid #1b2f4d;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#8ba0ba}
.foot a:hover{color:#fff}

/* =========================================================
   Unterseiten
   ========================================================= */

/* ---------- Seitenkopf ---------- */
.page-hero{background-image:linear-gradient(90deg,rgba(7,22,45,.92) 0%,rgba(7,22,45,.72) 55%,rgba(7,22,45,.45) 100%),url("hero.jpg");background-size:cover;background-position:center;color:#fff;padding:52px 20px 58px}
.page-hero .container{width:min(1460px,100%)}
.crumb{font-size:13px;color:#a9c3e0;margin-bottom:14px}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span{color:#5f7da4;padding:0 7px}
.page-hero h1{font-size:50px;letter-spacing:-1.5px;margin:0 0 14px;line-height:1}
.page-hero .lead{font-size:18px;line-height:1.5;max-width:720px;margin:0;color:#dbe7f5}

/* ---------- Inhaltsbausteine ---------- */
.split{display:grid;grid-template-columns:1fr .85fr;gap:46px;align-items:start}
.split img{width:100%;height:290px;object-fit:cover;display:block;border-radius:3px}
.split h2{margin-top:0}
.checklist{list-style:none;padding:0;margin:28px 0 0;max-width:760px}
.checklist li{position:relative;padding:0 0 13px 30px;font-size:16px;color:#31404f;line-height:1.5}
.checklist li:before{content:"›";position:absolute;left:8px;top:-2px;color:var(--blue);font-size:22px;font-weight:900}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}
.step{background:#fff;border:1px solid var(--line);padding:26px;position:relative}
.step:before{counter-increment:s;content:counter(s);display:block;font-size:30px;font-weight:900;color:var(--blue);line-height:1;margin-bottom:10px}
.step h3{margin:0 0 8px;font-size:18px}.step p{font-size:14px;margin:0}
.linkcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}
.linkcard{background:#fff;border:1px solid var(--line);padding:27px;display:block;transition:.2s}
.linkcard:hover{border-color:var(--blue);box-shadow:0 10px 26px #0f213a12;transform:translateY(-2px)}
.linkcard h3{margin:0 0 9px;font-size:19px}
.linkcard p{font-size:14px;margin:0 0 16px;color:var(--muted)}
.linkcard b{font-size:13px;color:var(--blue);font-weight:800}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:35px}
.gallery figure{margin:0;background:#fff;border:1px solid var(--line)}
.gallery img{width:100%;height:210px;object-fit:cover;display:block}
/* Leichter dunkler Schleier über allen Fotos, damit sie sich vom hellen
   Hintergrund absetzen. Beim Darüberfahren wird das Bild wieder voll hell. */
.gallery img,.split img{filter:brightness(.88) saturate(1.03);transition:filter .3s}
.gallery figure:hover img,.split img:hover{filter:none}
.gallery.hoch img{height:330px}
.gallery.zwei{grid-template-columns:repeat(2,1fr)}
.gallery.zwei img{height:400px}
.gallery.schlicht figcaption{padding:13px 16px;font-size:13.5px;color:var(--muted)}
.gallery figcaption{padding:15px 17px;font-size:14px}
.gallery figcaption b{display:block;margin-bottom:3px;font-size:16px}
.note{background:#eef4fb;border-left:4px solid var(--blue);padding:18px 22px;margin-top:32px;font-size:14.5px;line-height:1.6;color:#2b3b4d;max-width:860px}
.legal{max-width:820px}
.legal h2{font-size:26px;margin:38px 0 10px}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{font-size:15px;color:#31404f;line-height:1.65;max-width:820px}
.legal ul{padding-left:20px}
.legal a{color:var(--blue);word-break:break-word}
.legal a:hover{text-decoration:underline}
.legal .source{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}

/* ---------- Abschlussaufruf ---------- */
.cta{background:var(--dark);color:#fff;padding:54px 20px;text-align:center}
.cta h2{font-size:34px;margin:0 0 12px}
.cta p{color:#b9cbe1;max-width:620px;margin:0 auto 26px;font-size:16px}
.cta .btn.alt{background:transparent;color:#fff;border-color:#4a6a92}
.cta .btn.alt:hover{background:#fff;color:var(--dark);border-color:#fff}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* =========================================================
   Responsiv
   ========================================================= */
/* Kopfzeile schrittweise enger fassen, damit Logo und Menü nebeneinander passen */
@media(max-width:1340px){
  nav{gap:18px}.nav{gap:18px}
  .logo b{font-size:22px}
  .logo small{font-size:8px;letter-spacing:1.2px}
  nav>a,.has-sub>a{font-size:13px}
  .quote{padding:14px 18px;font-size:13px}
}
@media(max-width:1150px){
  nav{gap:16px}.nav{gap:16px}
  .logo small{display:none}
  .quote{display:none}
}
@media(max-width:1000px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .benefit-in{grid-template-columns:repeat(2,1fr)}
  .benefit:nth-child(2){border-right:0}
  .benefit:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .foot-cols{grid-template-columns:1fr 1fr}
  .steps,.linkcards,.gallery{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .split img{height:260px}
  h1{font-size:58px}
}
/* Ab hier Klappmenü statt waagerechter Navigation */
@media(max-width:900px){
  header{height:72px}
  .menu{display:block}
  nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;height:auto;padding:10px 20px 18px;gap:0;box-shadow:0 10px 25px #0002;max-height:calc(100vh - 72px);overflow-y:auto}
  nav.open{display:flex}
  nav>a,.has-sub>a{height:48px;font-size:14px;border-bottom:1px solid var(--line)}
  .has-sub{flex-wrap:wrap;height:auto;align-items:stretch}
  .has-sub>a{flex:1}
  .caret{pointer-events:auto;font-size:15px;padding:0 4px 0 14px;border-bottom:1px solid var(--line);cursor:pointer}
  .has-sub.open .caret{color:var(--blue)}
  .sub{position:static;flex-basis:100%;display:none;border:0;border-top:0;box-shadow:none;min-width:0;padding:4px 0 10px 16px}
  .has-sub:hover .sub,.has-sub:focus-within .sub{display:none}
  .has-sub.open .sub{display:block}
  .sub a{padding:10px 12px;border-left:2px solid var(--line)}
}
@media(max-width:700px){
  .logo b{font-size:19px;line-height:1.08}
  /* Eigenes Hochformat: vom Querformat bliebe auf dem Handy nur ein schmaler Streifen übrig */
  .hero{--hero-fade:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 50%,rgba(255,255,255,.45) 100%);height:560px;background-image:var(--hero-fade),url("hero-mobil.jpg");background-position:center}
  .hero-in{padding-top:55px}
  .eyebrow{letter-spacing:3px;font-size:11px}.eyebrow:after{width:25px;margin-left:8px}
  h1{font-size:51px}
  .hero p{font-size:17px;max-width:370px}
  .buttons{flex-direction:column;align-items:flex-start}
  .benefit-in{grid-template-columns:1fr}
  .benefit{border-right:0!important;border-bottom:1px solid var(--line)!important}
  .benefit:last-child{border-bottom:0!important}
  .cards{grid-template-columns:1fr 1fr}
  .card{height:250px}
  .card h2{font-size:15px}.card p{font-size:12px}
  .card-t{right:14px;left:14px;bottom:14px}
  .arrow{top:14px;bottom:auto;right:12px;width:30px;height:30px;font-size:17px}
  .section{padding:52px 20px}
  .section h2{font-size:31px}
  .grid,.grid.two,.contact,.steps,.linkcards,.gallery,.gallery.zwei,.split{grid-template-columns:1fr}
  .gallery.zwei img{height:300px}
  .split img{height:220px}
  .page-hero{padding:34px 20px 40px}
  .page-hero h1{font-size:34px}
  .page-hero .lead{font-size:16px}
  .cta h2{font-size:26px}
  .foot-cols{grid-template-columns:1fr;gap:26px}
  .foot{flex-direction:column}
}