/* =========================================================
   Tech Consultment GmbH – Website
   Statisches Stylesheet | Marke: Petrol / Weiß, Open Sans
   ========================================================= */

/* ---------- Fonts (selbstgehostet, DSGVO-konform) ---------- */
@font-face{font-family:"Open Sans";font-style:normal;font-weight:300;font-display:swap;
  src:url("../fonts/OpenSans-Light.woff") format("woff");}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/OpenSans-Regular.woff") format("woff");}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/OpenSans-SemiBold.woff") format("woff");}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/OpenSans-Bold.woff") format("woff");}

/* ---------- Design-Tokens ---------- */
:root{
  --dark:#0e2e33;      /* Header / Footer */
  --dark2:#123a40;
  --teal:#2f6f77;      /* Akzent */
  --teal-light:#5b9aa1;
  --copper:#c98b4b;    /* warmer Akzent */
  --paper:#f5f7f7;     /* heller Hintergrund */
  --white:#ffffff;
  --ink:#1b2b2e;       /* Fließtext */
  --muted:#617174;
  --line:#e0e7e7;
  --maxw:1180px;
  --radius:10px;
  --shadow:0 12px 40px -18px rgba(14,46,51,.45);
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Open Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.7;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--copper)}

/* ---------- Layout-Helfer ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:88px 0}
.section--tint{background:var(--paper)}
.narrow{max-width:820px;margin:0 auto}
.center{text-align:center}

/* ---------- Typografie ---------- */
h1,h2,h3{font-weight:300;line-height:1.2;color:var(--dark)}
.eyebrow{font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--teal);font-weight:600;margin-bottom:14px}
.section-title{font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:.06em;
  text-transform:uppercase;font-weight:300}
.lead{font-size:1.18rem;color:var(--ink)}
p{margin:0 0 1.1em}
.text-muted{color:var(--muted)}
strong{font-weight:600;color:var(--dark)}

/* Hexagon-Divider */
.divider{display:flex;justify-content:center;margin:0 auto 26px}
.divider svg{width:46px;height:52px}
.divider path{fill:none;stroke:var(--teal);stroke-width:5}

/* ---------- Header / Navigation ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;
  height:88px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:52px;width:auto;filter:brightness(0) invert(1)}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{display:block;color:rgba(255,255,255,.82);font-size:.93rem;
  letter-spacing:.04em;padding:10px 14px;border-radius:6px;font-weight:400;
  transition:background .2s var(--ease),color .2s var(--ease)}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";display:block;height:2px;background:var(--copper);
  margin-top:6px;border-radius:2px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;
  transition:.3s var(--ease)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font-weight:600;font-size:.95rem;letter-spacing:.03em;
  padding:14px 30px;border-radius:8px;cursor:pointer;border:2px solid transparent;
  transition:all .22s var(--ease)}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:#b3762f;color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:#fff;color:var(--dark)}
.btn-ghost{border-color:var(--teal);color:var(--teal)}
.btn-ghost:hover{background:var(--teal);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:clamp(360px,58vh,560px);display:flex;
  align-items:flex-end;color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,46,51,.35) 0%,rgba(14,46,51,.55) 55%,rgba(14,46,51,.86) 100%)}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);
  margin:0 auto;padding:0 28px 56px}
.hero h1{color:#fff;font-size:clamp(2rem,5vw,3.4rem);font-weight:300;max-width:16ch}
.hero .kicker{font-size:.8rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--copper);font-weight:600;margin-bottom:16px}
.hero .claim{position:absolute;right:28px;bottom:20px;z-index:2;
  font-size:1rem;letter-spacing:.05em;color:rgba(255,255,255,.9);font-style:italic}
.hero--sm{min-height:clamp(280px,40vh,400px)}
/* Startseiten-Hero (Chip-Motiv): kräftigeres Petrol-Overlay links/unten,
   damit die weiße Überschrift über dem detailreichen Bild klar lesbar bleibt */
.hero:not(.hero--sm)::after{
  background:
    linear-gradient(105deg, rgba(14,46,51,.78) 0%, rgba(14,46,51,.30) 42%, rgba(14,46,51,.10) 100%),
    linear-gradient(180deg, rgba(14,46,51,.30) 0%, rgba(14,46,51,.45) 55%, rgba(14,46,51,.92) 100%);
}
.hero:not(.hero--sm) img{object-position:50% 50%}

/* ---------- Intro-Split (Startseite) ---------- */
.intro{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.intro .logo-block img{width:min(320px,80%);margin-bottom:22px}

/* ---------- Karten-Raster ---------- */
.grid{display:grid;gap:28px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .card-media{aspect-ratio:16/10;overflow:hidden;background:var(--dark)}
.card .card-media img{width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:1.22rem;font-weight:600;margin-bottom:10px;color:var(--dark)}
.card-body p{font-size:.98rem;color:var(--muted);margin-bottom:16px}
.card-body .card-link{margin-top:auto;font-weight:600;font-size:.92rem;
  letter-spacing:.03em}
.card-body .card-link::after{content:" →";transition:margin .2s var(--ease)}
.card:hover .card-link::after{margin-left:4px}

/* ---------- Leistungs-Blöcke (alternierend) ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:64px 0;border-bottom:1px solid var(--line)}
.feature:last-child{border-bottom:0}
.feature .feature-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature .feature-img img{aspect-ratio:4/3;object-fit:cover;width:100%}
.feature:nth-child(even) .feature-text{order:2}
.feature:nth-child(even) .feature-img{order:1}
.feature h3{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:300;margin-bottom:8px}
.feature .teaser{font-size:1.08rem;color:var(--dark);font-weight:400;margin-bottom:14px}
.feature ul{list-style:none;margin:8px 0 0}
.feature ul li{position:relative;padding-left:26px;margin-bottom:8px;color:var(--ink)}
.feature ul li::before{content:"";position:absolute;left:0;top:11px;width:9px;height:9px;
  background:var(--copper);border-radius:2px;transform:rotate(45deg)}

/* ---------- Fundament-Blöcke ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pillar{background:#fff;border:1px solid var(--line);border-top:4px solid var(--teal);
  border-radius:var(--radius);padding:32px 28px}
.pillar h3{font-size:1.18rem;font-weight:600;color:var(--dark);margin-bottom:16px}
.pillar ul{list-style:none}
.pillar ul li{position:relative;padding-left:22px;margin-bottom:10px;
  font-size:.96rem;color:var(--ink)}
.pillar ul li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;
  background:var(--copper);border-radius:50%}

/* ---------- Referenzen ---------- */
.ref-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;height:100%;display:flex;flex-direction:column;
  border-left:4px solid var(--copper)}
.ref-card .ref-tag{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);font-weight:700;margin-bottom:12px}
.ref-card h3{font-size:1.16rem;font-weight:600;color:var(--dark);margin-bottom:14px}
.ref-card .ref-row{margin-bottom:12px}
.ref-card .ref-row b{display:block;font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:2px}
.ref-card .ref-row span{font-size:.98rem}
.ref-quote{font-size:1.25rem;font-weight:300;font-style:italic;color:var(--dark);
  max-width:760px;margin:0 auto;text-align:center}
.ref-quote cite{display:block;font-size:.9rem;font-style:normal;color:var(--muted);
  letter-spacing:.05em;margin-top:16px}

/* ---------- Kontakt ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-card{background:var(--dark);color:#fff;border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow)}
.contact-card h3{color:#fff;font-weight:300;font-size:1.6rem;margin-bottom:20px}
.contact-card .row{display:flex;gap:14px;margin-bottom:16px;align-items:flex-start}
.contact-card .row svg{flex:none;width:22px;height:22px;fill:var(--copper);margin-top:3px}
.contact-card a{color:#fff}
.contact-card a:hover{color:var(--copper)}
.contact-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  border:1px solid var(--line)}
.map-wrap iframe{display:block;width:100%;height:100%;min-height:380px;border:0}

/* ---------- CTA-Band ---------- */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:300;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.8);max-width:620px;margin:0 auto 26px}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);
  padding:60px 0 30px;position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  position:relative;z-index:2}
.site-footer .foot-logo{height:60px;filter:brightness(0) invert(1);margin-bottom:20px}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;
  font-weight:700;margin-bottom:16px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:#fff}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;
  padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:.85rem;position:relative;z-index:2}
.footer-bottom a{margin-left:18px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:88px 0 auto 0;flex-direction:column;gap:0;
    background:var(--dark);padding:10px 0;transform:translateY(-140%);
    transition:transform .3s var(--ease);border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 28px;border-radius:0}
  .nav-links a.active::after{display:none}
  .intro,.feature,.contact-grid{grid-template-columns:1fr;gap:34px}
  .feature:nth-child(even) .feature-text,.feature:nth-child(even) .feature-img{order:0}
  .grid-3,.grid-2,.pillars{grid-template-columns:1fr}
  .section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
}
@media(min-width:601px) and (max-width:900px){
  .grid-3,.grid-2,.pillars{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .hero .claim{display:none}
  .hero-inner{padding-bottom:40px}
  .contact-actions .btn{flex:1;text-align:center}
}