/* Ingenieurbüro Schilli – Website v2.0 */
:root{--bg:#fff;--bg-soft:#f5f7fa;--bg-dark:#111418;--text:#08090b;--text-soft:#4e5561;--line:rgba(8,9,11,.08);--blue:#0067d6;--shadow:0 20px 70px rgba(0,0,0,.08);--max:1180px;--nav-height:78px;--ease:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.site-header{position:fixed;inset:0 0 auto 0;height:var(--nav-height);z-index:1000;background:rgba(255,255,255,.82);backdrop-filter:blur(24px);border-bottom:1px solid var(--line)}.nav{max-width:var(--max);height:100%;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:260px 1fr 170px;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:16px;font-weight:800;text-transform:uppercase;letter-spacing:-.045em;line-height:.95;font-size:20px}.brand img{width:54px;height:54px;border-radius:50%}.nav-links{display:flex;justify-content:center;gap:54px;font-size:15px;font-weight:600}.nav-links a{opacity:.9;transition:opacity .25s var(--ease)}.nav-links a:hover{opacity:.55}.nav-cta{justify-self:end;background:var(--text);color:#fff;padding:14px 22px;border-radius:7px;font-weight:700;box-shadow:0 12px 30px rgba(0,0,0,.16);transition:transform .28s var(--ease),background .28s var(--ease)}.nav-cta:hover{transform:translateY(-2px);background:#000}.menu-toggle{display:none}.hero{min-height:92vh;position:relative;display:flex;align-items:center;padding:calc(var(--nav-height) + 70px) 24px 80px;overflow:hidden}.hero-bg{position:absolute;inset:var(--nav-height) 0 0 0;background:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.78) 35%,rgba(255,255,255,.18) 70%),url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=2200&q=85") center/cover no-repeat;transform:scale(1.03);will-change:transform}.hero-content{position:relative;max-width:var(--max);width:100%;margin:0 auto;z-index:2}.eyebrow,.section-label{text-transform:uppercase;letter-spacing:.09em;color:var(--text-soft);font-size:13px;font-weight:800;margin-bottom:14px}.hero h1{max-width:980px;font-size:clamp(44px,6.5vw,78px);line-height:.98;letter-spacing:-.07em;font-weight:850;margin-bottom:24px}.hero-text{max-width:650px;font-size:clamp(20px,2vw,28px);letter-spacing:-.035em;color:#15171b;margin-bottom:38px}.hero-actions{display:flex;gap:20px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 32px;border-radius:8px;font-weight:800;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease)}.button:hover{transform:translateY(-3px)}.button-dark{background:#000;color:#fff;box-shadow:0 14px 38px rgba(0,0,0,.22)}.button-light{background:#fff;color:#08090b;box-shadow:0 14px 38px rgba(0,0,0,.10)}.section{padding:80px 24px;max-width:var(--max);margin:0 auto}.section-soft{max-width:none;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}.section-soft>*{max-width:var(--max);margin-left:auto;margin-right:auto}.section-head{text-align:center;margin-bottom:46px}.section-head h2{font-size:clamp(32px,4vw,44px);letter-spacing:-.055em;line-height:1.08;font-weight:850}.audience-grid{max-width:var(--max);display:grid;grid-template-columns:repeat(4,1fr);gap:1px}.audience-card{text-align:center;padding:24px 32px 38px;border-right:1px solid rgba(0,0,0,.12)}.audience-card:last-child{border-right:none}.icon{width:76px;height:76px;display:grid;place-items:center;margin:0 auto 22px;border-radius:50%;background:#fff;box-shadow:0 14px 50px rgba(0,0,0,.06);font-size:36px}.audience-card h3{font-size:18px;letter-spacing:-.025em;margin-bottom:12px}.audience-card p{font-size:15px;color:var(--text-soft)}.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}.service-card{min-height:300px;padding:34px 28px;border-radius:9px;background:linear-gradient(145deg,rgba(245,247,250,.95),rgba(255,255,255,.8));border:1px solid rgba(0,0,0,.04);box-shadow:0 18px 60px rgba(0,0,0,.045);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}.service-card:hover{transform:translateY(-7px);box-shadow:0 28px 90px rgba(0,0,0,.08)}.service-icon{display:block;font-size:34px;margin-bottom:28px}.service-card h3{font-size:20px;line-height:1.15;letter-spacing:-.04em;margin-bottom:16px}.blue-line{width:28px;height:2px;background:var(--blue);margin-bottom:20px}.service-card p{color:var(--text-soft);font-size:15px}.center-link{text-align:center;margin-top:34px}.center-link a{color:var(--blue);font-weight:800}.process-grid{max-width:980px;display:grid;grid-template-columns:repeat(4,1fr);gap:46px;text-align:center}.process-step span{width:34px;height:34px;display:inline-grid;place-items:center;background:#333b46;color:#fff;border-radius:50%;font-weight:800;margin-bottom:18px}.process-step h3{font-size:18px;letter-spacing:-.025em;margin-bottom:12px}.process-step p{color:var(--text-soft);font-size:15px}.contact-section{padding:0 24px;background:#fff}.contact-card{max-width:var(--max);margin:0 auto;background:radial-gradient(circle at 20% 0%,rgba(255,255,255,.08),transparent 28%),linear-gradient(135deg,#111418,#1d232b);color:#fff;padding:54px 62px;display:grid;grid-template-columns:1.1fr 1fr .9fr;align-items:center;gap:46px;box-shadow:0 -20px 70px rgba(0,0,0,.1)}.footer-brand{display:flex;align-items:center;gap:22px}.footer-brand img{width:86px;height:86px;border-radius:50%;border:2px solid rgba(255,255,255,.75)}.footer-brand h2{text-transform:uppercase;letter-spacing:-.05em;line-height:.95;font-size:25px}.contact-text{margin-top:20px;color:rgba(255,255,255,.78);max-width:340px}.contact-data h3{font-size:24px;margin-bottom:18px}.contact-data p{color:rgba(255,255,255,.82);margin:8px 0}.contact-action{justify-self:end}.footer{max-width:var(--max);margin:0 auto;padding:24px;display:flex;justify-content:space-between;color:var(--text-soft);font-size:13px}.footer div{display:flex;gap:34px}.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.reveal.visible{opacity:1;transform:translateY(0)}
@media(max-width:980px){.nav{grid-template-columns:1fr auto}.nav-links,.nav-cta{display:none}.menu-toggle{justify-self:end;display:flex;width:42px;height:42px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:6px;cursor:pointer}.menu-toggle span{display:block;width:24px;height:2px;background:#000}.nav-links.open{display:flex;position:fixed;left:0;right:0;top:var(--nav-height);background:rgba(255,255,255,.96);backdrop-filter:blur(20px);flex-direction:column;gap:0;padding:18px 24px 28px;border-bottom:1px solid var(--line)}.nav-links.open a{padding:15px 0}.hero{min-height:84vh}.hero-bg{background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.82) 55%,rgba(255,255,255,.45) 100%),url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat}.audience-grid,.services-grid,.process-grid,.contact-card{grid-template-columns:1fr}.audience-card{border-right:none;border-bottom:1px solid rgba(0,0,0,.1)}.audience-card:last-child{border-bottom:none}.contact-action{justify-self:start}}
@media(max-width:620px){:root{--nav-height:70px}.brand{font-size:16px}.brand img{width:46px;height:46px}.hero{padding-left:18px;padding-right:18px}.hero h1{font-size:clamp(40px,12vw,58px)}.section{padding:62px 18px}.service-card{min-height:auto}.contact-card{padding:42px 28px}.footer{flex-direction:column;gap:16px}}