/* EW-IB – Ingenieurbüro Dipl.-Ing. Edwin Weltz · Farben aus dem Logo (Grün #008036, Grau #737373) */
@font-face{font-family:"Open Sans";font-style:normal;font-display:swap;font-weight:300 800;src:url(/fonts/open-sans-latin-wght-normal.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}
@font-face{font-family:"Open Sans";font-style:normal;font-display:swap;font-weight:300 800;src:url(/fonts/open-sans-latin-ext-wght-normal.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-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{
  --green:#008036;--green-d:#00642a;--green-l:#e6f3eb;--green-xl:#f2f8f4;
  --grey:#737373;--ink:#1c2621;--text:#3a4540;--muted:#66706b;--line:#e2e6e3;--stone:#f5f6f3;--white:#fff;
  --dark:#18211c;
  --r:14px;--r-s:10px;--shadow:0 1px 2px rgba(20,30,25,.06),0 8px 28px rgba(20,30,25,.08);
  --wrap:1180px;--hdr:76px;
  --f:"Open Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px)}
body{margin:0;font-family:var(--f);font-size:17px;line-height:1.65;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-d)}
a:hover{color:var(--green)}
h1,h2,h3{color:var(--ink);line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.25rem);font-weight:750}
h2{font-size:clamp(1.55rem,2.8vw,2.25rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
address{font-style:normal}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
.i{width:1.15em;height:1.15em;flex:none;stroke-width:2}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.kicker{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin:0 0 .8em}
.kicker--light{color:#9be0b4}
.lead{font-size:1.15rem;color:var(--ink)}
.muted{color:var(--muted);font-size:.9rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:46px;padding:.7em 1.3em;border-radius:999px;border:2px solid var(--green);background:var(--green);color:#fff;font:inherit;font-weight:650;font-size:.97rem;text-decoration:none;line-height:1.2;cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s}
.btn:hover{background:var(--green-d);border-color:var(--green-d);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--green-d)}
.btn--ghost:hover{background:var(--green-l);color:var(--green-d)}
.btn--white{background:#fff;border-color:#fff;color:var(--green-d)}
.btn--white:hover{background:var(--green-l);border-color:var(--green-l);color:var(--green-d)}
.btn--glass{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;backdrop-filter:blur(6px)}
.btn--glass:hover{background:rgba(255,255,255,.2);border-color:#fff}
.btn--s{min-height:40px;padding:.5em 1em;font-size:.9rem}
.btn--l{min-height:52px;padding:.8em 1.5em;font-size:1rem}
.btnrow{display:flex;flex-wrap:wrap;gap:12px}

/* Header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:28px;height:var(--hdr)}
.hdr__logo img{height:54px;width:auto}
.nav{margin-right:auto}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:.5em .85em;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover{background:var(--stone);color:var(--green-d)}
.nav a[aria-current]{color:var(--green-d);box-shadow:inset 0 -2px 0 var(--green)}
.hdr__cta{display:flex;gap:10px}
.burger{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mnav{border-top:1px solid var(--line);background:#fff;padding:12px 20px 24px;max-height:calc(100dvh - var(--hdr));overflow:auto}
.mnav ul{list-style:none;margin:0;padding:0}
.mnav li a{display:flex;align-items:center;justify-content:space-between;padding:15px 6px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:650;font-size:1.08rem;text-decoration:none}
.mnav li a[aria-current]{color:var(--green-d)}
.mnav li a .i{color:var(--muted)}
.mnav__cta{display:grid;gap:10px;margin-top:20px}
@media (max-width:1080px){.hdr__cta span{display:none}.hdr__cta .btn{width:42px;padding:0}}
@media (max-width:860px){.nav,.hdr__cta{display:none}.burger{display:flex}.hdr__logo img{height:48px}:root{--hdr:68px}}
@media (min-width:861px){.mnav{display:none!important}}

/* Hero */
.hero{position:relative;color:#fff;background:var(--dark);overflow:hidden;isolation:isolate}
.hero__bg,.phero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after,.phero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(14,22,18,.86) 0%,rgba(14,22,18,.62) 48%,rgba(14,22,18,.25) 100%)}
.hero__in{padding:clamp(80px,13vw,150px) 24px clamp(70px,10vw,120px)}
.hero h1{color:#fff;max-width:17ch;font-size:clamp(2.2rem,5.4vw,3.8rem)}
.hero__lead{font-size:clamp(1.1rem,1.8vw,1.35rem);max-width:36ch;color:#e8eeea;margin-bottom:1.6em}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px}
.phero{position:relative;color:#fff;background:var(--dark);overflow:hidden;isolation:isolate}
.phero__bg--low{object-position:center 70%}
.phero__in{padding:clamp(56px,8vw,96px) 24px clamp(52px,7vw,84px)}
.phero h1{color:#fff;max-width:22ch}
.phero p{max-width:60ch;color:#e3eae6;font-size:1.12rem;margin:0}
.crumbs{font-size:.88rem;margin-bottom:18px;color:#cfd8d3}
.crumbs a{color:#fff}
.crumbs--dark{color:var(--muted)}
.crumbs--dark a{color:var(--green-d)}

/* Trust */
.trust{background:var(--green);color:#fff}
.trust__in{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-top:22px;padding-bottom:22px}
.trust__in>div{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;line-height:1.4}
.trust .i{width:28px;height:28px;margin-top:2px;opacity:.9}
.trust strong{display:block;font-size:.98rem}
@media (max-width:860px){.trust__in{grid-template-columns:1fr;gap:14px}}

/* Sections */
.sec{padding:clamp(64px,8vw,104px) 0}
.sec--stone{background:var(--stone)}
.sec--top{padding-top:clamp(40px,6vw,72px)}
.sechead{text-align:center;max-width:720px;margin:0 auto 44px}
.sechead--left{text-align:left;margin:0 0 32px}
.sechead p:last-child{color:var(--muted)}
.icon-box{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--green-l);color:var(--green);margin-bottom:16px}
.icon-box .i{width:26px;height:26px}
.split{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.prose p{max-width:68ch}
.figure{margin:0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}

/* Leistungen Startseite */
.services{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.service{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.service__img{display:block;aspect-ratio:16/8;overflow:hidden}
.service__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.service:hover .service__img img{transform:scale(1.04)}
.service__body{padding:28px 30px 32px;display:flex;flex-direction:column;flex:1}
.service__body .icon-box{margin-top:-58px;background:#fff;box-shadow:var(--shadow)}
.service__body .btn{align-self:flex-start;margin-top:auto}
@media (max-width:900px){.services{grid-template-columns:1fr}.service__body{padding:24px 22px 26px}}
.checks{list-style:none;padding:0;margin:0 0 26px}
.checks li{position:relative;padding:0 0 0 30px;margin:0 0 10px}
.checks li::before{content:"";position:absolute;left:0;top:.38em;width:18px;height:18px;border-radius:50%;background:var(--green-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23008036' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}

/* Über */
.about{display:grid;grid-template-columns:minmax(260px,400px) 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.about__img{margin:0}
.about__img img{border-radius:var(--r);box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;object-position:center 20%;width:100%}
.about__img figcaption{font-size:.88rem;color:var(--muted);margin-top:10px}
@media (max-width:860px){.about{grid-template-columns:1fr}.about__img{max-width:340px}}

/* Features */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.features--3{grid-template-columns:repeat(3,1fr)}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.sec--stone .feature{border-color:transparent;box-shadow:var(--shadow)}
.feature p{margin:0;font-size:.98rem}
@media (max-width:960px){.features--3{grid-template-columns:1fr}}
@media (max-width:760px){.features{grid-template-columns:1fr}}

/* Hinweis-Box */
.note{background:var(--green-xl);border:1px solid #cfe6d8;border-radius:var(--r);padding:28px}
.note h2{font-size:1.3rem}
.note__badge{display:flex;gap:10px;align-items:flex-start;font-weight:650;color:var(--green-d);font-size:.95rem;margin:0}
.note__badge .i{margin-top:3px}

/* Schritte */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.steps li{position:relative;padding:28px;border:1px solid var(--line);border-radius:var(--r)}
.steps__n{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--green);color:#fff;font-weight:750;margin-bottom:14px}
.steps p{margin:0;font-size:.98rem}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* FAQ */
.faqwrap{display:grid;grid-template-columns:1fr 1.7fr;gap:48px;align-items:start}
@media (max-width:900px){.faqwrap{grid-template-columns:1fr;gap:8px}}
.faq details{background:#fff;border-radius:var(--r-s);margin-bottom:12px;box-shadow:0 1px 2px rgba(20,30,25,.06)}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:650;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;border-right:2px solid var(--green);border-bottom:2px solid var(--green);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq__a{padding:0 22px 6px}

/* Kacheln Hydraulik */
.tiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tiles li{display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:var(--r-s);padding:20px;box-shadow:var(--shadow);line-height:1.45}
.tiles .i{width:26px;height:26px;color:var(--green);margin-top:2px}
.tiles strong{display:block;color:var(--ink)}
@media (max-width:900px){.tiles{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.tiles{grid-template-columns:1fr}}
.creds{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:center}
.creds__list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.creds__list li{display:flex;gap:16px;background:#fff;border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow)}
.creds__list .i{width:30px;height:30px;color:var(--green)}
.creds__list strong{display:block;color:var(--ink)}
.creds__list span{font-size:.95rem;color:var(--muted)}
@media (max-width:900px){.creds{grid-template-columns:1fr;gap:8px}}

/* Kontakt */
.contact{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(32px,5vw,64px);align-items:start}
.contact__cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.ccard{display:flex;gap:16px;align-items:center;padding:22px;border-radius:var(--r);background:var(--green);color:#fff;text-decoration:none;box-shadow:var(--shadow);transition:transform .15s,background .15s}
.ccard:hover{background:var(--green-d);color:#fff;transform:translateY(-2px)}
.ccard .icon-box{margin:0;background:rgba(255,255,255,.16);color:#fff}
.ccard small{display:block;opacity:.85;font-size:.85rem}
.ccard strong{font-size:1rem;overflow-wrap:anywhere}
.contact__side{background:var(--stone);border-radius:var(--r);padding:28px}
.contact__side h2{font-size:1.15rem;margin-bottom:.4em}
.contact__side address{margin-bottom:16px}
.contact__side hr{border:0;border-top:1px solid var(--line);margin:24px 0}
.contact__side p{margin:0}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
@media (max-width:560px){.contact__cards{grid-template-columns:1fr}}

/* CTA-Band */
.cta{background:var(--green) linear-gradient(120deg,var(--green) 0%,var(--green-d) 100%);color:#fff}
.cta__in{display:flex;justify-content:space-between;align-items:center;gap:32px;padding-top:56px;padding-bottom:56px}
.cta h2{color:#fff;margin-bottom:.3em}
.cta p{margin:0;color:#e2f2e8;max-width:52ch}
.cta__btns{display:flex;flex-wrap:wrap;gap:12px;flex:none}
@media (max-width:860px){.cta__in{flex-direction:column;align-items:flex-start}}

/* Rechtstexte */
.legal{max-width:820px}
.legal h2{font-size:1.35rem;margin-top:2em}
.legal h3{font-size:1.08rem;margin-top:1.5em}
.legal p,.legal li{font-size:.98rem;overflow-wrap:anywhere}
.legal ul{padding-left:1.2em}

/* Footer */
.ftr{background:var(--dark);color:#b9c4be;font-size:.95rem}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-top:56px;padding-bottom:40px}
.ftr__brand img{height:80px;width:auto;margin-bottom:16px}
.ftr__brand p{max-width:40ch}
.ftr h2{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.ftr a{color:#dfe7e2;text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin-bottom:6px}
.ftr__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;padding-bottom:28px;font-size:.85rem}
.ftr__bottom ul{display:flex;gap:20px}
@media (max-width:760px){.ftr__grid{grid-template-columns:1fr;gap:28px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}