:root{
  --bg:#0b0c0b;
  --bg-alt:#131513;
  --card:#181a17;
  --line:#2a2d28;
  --green:#8cc63f;
  --green-dim:#6ea22e;
  --white:#f4f5f2;
  --gray:#a9afa3;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--white);
  font-family:'Barlow',Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.headline{
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:0.5px;
  line-height:1.05;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.eyebrow{
  color:var(--green);
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1.5px;
  font-size:0.95rem;
  margin-bottom:10px;
  display:inline-block;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--green);
  color:#0b0c0b;
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.5px;
  padding:14px 26px;
  border-radius:2px;
  font-size:0.95rem;
  transition:background 0.2s ease;
}
.btn:hover{background:var(--green-dim);}
.btn-outline{
  background:transparent;
  border:1.5px solid var(--green);
  color:var(--green);
}
.btn-outline:hover{background:var(--green);color:#0b0c0b;}

/* HEADER */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,12,11,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{
  display:flex;align-items:center;gap:12px;
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:800;
  letter-spacing:0.5px;
  font-size:1.05rem;
  text-transform:uppercase;
}
.logo .bar{width:3px;height:34px;background:var(--green);}
.logo small{display:block;font-weight:500;font-size:0.6rem;color:var(--gray);letter-spacing:1.5px;text-transform:uppercase;}
nav{display:flex;align-items:center;gap:36px;}
nav ul{display:flex;gap:32px;list-style:none;}
nav ul li a{
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
  font-size:0.9rem;
  color:var(--white);
  transition:color 0.2s ease;
}
nav ul li a:hover{color:var(--green);}
.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.6rem;cursor:pointer;}

/* HERO */
.hero{
  background:var(--bg);
  overflow:hidden;
  width:100%;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  align-items:stretch;
  min-height:82vh;
  width:100%;
}
.hero-text{
  display:flex;flex-direction:column;justify-content:center;
  padding:80px 40px 80px max(28px, calc((100vw - var(--maxw)) / 2 + 28px));
  position:relative;z-index:2;
  min-width:0;
}
.hero-text-inner{max-width:500px;}
.hero h1{font-size:clamp(2.4rem,4.2vw,3.6rem);}
.hero .lead{
  font-size:1.1rem;color:var(--white);margin-top:20px;
}
.hero .sub{
  font-size:0.98rem;color:var(--gray);margin-top:14px;
}
.hero .cta-row{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-image{
  position:relative;
  min-height:340px;
}
.hero-image img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.hero-image::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to right, var(--bg) 0%, rgba(11,12,11,0.7) 5%, transparent 24%), linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 38%);
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;min-height:auto;}
  .hero-image{order:-1;min-height:52vh;}
  .hero-image::before{
    background:linear-gradient(to bottom, transparent 55%, var(--bg) 100%), linear-gradient(to top, rgba(0,0,0,0.35), transparent 40%);
  }
  .hero-text{padding:44px 28px 56px;}
  .hero-text-inner{max-width:none;}
}

.features{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.features .wrap{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.feature{
  padding:36px 28px;border-right:1px solid var(--line);
}
.feature:last-child{border-right:none;}
.feature .icon{
  width:38px;height:38px;color:var(--green);margin-bottom:16px;
}
.feature h3{font-size:1.05rem;color:var(--white);margin-bottom:8px;}
.feature p{font-size:0.9rem;color:var(--gray);}

/* GENERIC SECTION */
section{padding:100px 0;}
.section-alt{background:var(--bg-alt);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.grid-2.reverse .img-col{order:2;}
h2{font-size:clamp(1.9rem,3.4vw,2.6rem);margin-bottom:20px;}
h2 .accent{color:var(--green);}
p{color:var(--gray);font-size:1.02rem;}
.body-text > p + p{margin-top:14px;}
.img-col{position:relative;}
.img-col img{
  width:100%;
  -webkit-mask-image:linear-gradient(to right, transparent 0%, black 16%, black 84%, transparent 100%), linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right, transparent 0%, black 16%, black 84%, transparent 100%), linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
  mask-composite:intersect;
}
@media (max-width:900px){
  .img-col img{
    -webkit-mask-image:linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
    mask-image:linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
  }
}

/* WHY */
.why-highlight{
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:800;
  text-transform:uppercase;
  color:var(--green);
  font-size:1.7rem;
  margin:22px 0;
  line-height:1.15;
}

/* HYBRID METHOD */
.principles{
  display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:48px;
}
.principle{text-align:center;}
.principle .icon{
  width:44px;height:44px;margin:0 auto 14px;color:var(--green);
}
.principle h4{
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:700;text-transform:uppercase;font-size:0.92rem;letter-spacing:0.4px;color:var(--white);
}

/* BOOK */
.book-card{
  background:var(--card);border:1px solid var(--line);
  padding:48px;border-radius:4px;
}
.book-badge{
  display:inline-block;margin-top:22px;padding:10px 16px;
  border:1px solid var(--green);color:var(--green);
  font-size:0.85rem;border-radius:2px;
}
.book-cover-wrap{display:flex;justify-content:center;}
.book-cover-wrap img{width:100%;max-width:440px;box-shadow:0 30px 60px rgba(0,0,0,0.5);}
.book-download{margin-top:20px;}
.book-download .ic{width:18px;height:18px;}

/* ABOUT */
.about-portrait{border-radius:4px;}
.quote{
  margin-top:26px;padding-left:20px;border-left:3px solid var(--green);
  font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:600;font-size:1.2rem;color:var(--white);
  font-style:normal;
}
.quote span{display:block;margin-top:8px;font-size:0.8rem;color:var(--green);letter-spacing:1px;text-transform:uppercase;font-family:'Barlow',Arial,sans-serif;font-weight:600;}

/* CONTACT */
.contact{
  background:linear-gradient(180deg, rgba(140,198,63,0.06), transparent 40%), var(--bg);
}
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;align-items:start;}
.contact-list{margin-top:30px;display:flex;flex-direction:column;gap:16px;}
.contact-list a, .contact-list span{
  display:flex;align-items:center;gap:12px;color:var(--white);font-size:1rem;
}
.contact-list .ic{width:20px;height:20px;color:var(--green);flex-shrink:0;}
.contact-card{
  background:var(--card);border:1px solid var(--line);padding:36px;border-radius:4px;
}

footer{
  border-top:1px solid var(--line);padding:40px 0;background:var(--bg-alt);
}
footer .wrap{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
footer .foot-links{display:flex;gap:24px;font-size:0.85rem;color:var(--gray);}
footer .foot-links a:hover{color:var(--green);}
footer .copy{font-size:0.8rem;color:var(--gray);}

/* SUBPAGES (Impressum / Datenschutz) */
.page-hero{
  padding:90px 0 60px;
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);margin-top:10px;}
.legal{padding:70px 0 110px;}
.legal-content{max-width:760px;}
.legal-content h2{
  font-size:1.2rem;margin:36px 0 14px;color:var(--white);
  text-transform:uppercase;letter-spacing:0.4px;
}
.legal-content h2:first-child{margin-top:0;}
.legal-content p{margin-bottom:14px;}
.legal-content ul{margin:6px 0 18px 20px;}
.legal-content li{margin-bottom:8px;color:var(--gray);}
.legal-content a.inline{color:var(--green);text-decoration:underline;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;
  color:var(--green);font-family:'Barlow Condensed',Arial,sans-serif;
  font-weight:600;text-transform:uppercase;letter-spacing:0.5px;font-size:0.85rem;
}
.back-link:hover{color:var(--white);}

@media (max-width:900px){
  .grid-2{grid-template-columns:1fr;gap:36px;}
  .grid-2.reverse .img-col{order:0;}
  .features .wrap{grid-template-columns:1fr 1fr;}
  .feature{border-bottom:1px solid var(--line);}
  .feature:nth-child(2n){border-right:none;}
  .principles{grid-template-columns:repeat(2,1fr);gap:32px;}
  .contact-grid{grid-template-columns:1fr;}
  section{padding:70px 0;}
}
@media (max-width:720px){
  nav ul{
    position:fixed;top:76px;left:0;right:0;
    background:var(--bg);
    flex-direction:column;
    padding:20px 28px;
    gap:20px;
    border-bottom:1px solid var(--line);
    transform:translateY(-120%);
    transition:transform 0.25s ease;
  }
  nav ul.open{transform:translateY(0);}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .features .wrap{grid-template-columns:1fr;}
  .feature{border-right:none;border-bottom:1px solid var(--line);}
  .book-card{padding:28px;}
  footer .wrap{flex-direction:column;align-items:flex-start;}
}