:root{
  --navy:#0D1B3D;
  --navy-2:#0A1530;
  --navy-light:#1a2d54;
  --blue:#156DB5;
  --blue-l:#4A93D1;
  --teal:#00A99D;
  --teal-l:#7ED3B2;
  --accent:#1a2d54;
  --accent-light:#4A93D1;
  --mist:#F2F7FA;
  --white:#FFFFFF;
  --ink-soft:rgba(13,27,61,0.62);
  --ink-faint:rgba(13,27,61,0.38);
  --line:rgba(13,27,61,0.10);
  --ease:cubic-bezier(.22,.7,.24,1);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  background:var(--mist);
  color:var(--navy);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}
section{position:relative;}
.wrap{max-width:1280px;margin:0 auto;padding:0 40px;}
@media(max-width:720px){.wrap{padding:0 22px;}}
@media(max-width:400px){.wrap{padding:0 16px;}}

::selection{background:var(--accent-light);color:var(--white);}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
nav.wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;}

.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px;}
.brand-logo{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
}
.brand-logo img{width:100%;height:100%;object-fit:contain;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:var(--navy);font-size:16px;letter-spacing:-0.01em;}
.brand-text small{font-size:10px;color:var(--ink-faint);font-weight:500;letter-spacing:0.06em;text-transform:uppercase;}

.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{font-size:14px;font-weight:600;color:var(--ink-soft);transition:color .2s;}
.nav-links a:hover{color:var(--navy);}
.nav-links a.nav-cta{
  background:linear-gradient(135deg, var(--navy) 0%, var(--accent) 100%);
  color:#fff;font-size:13px;font-weight:700;
  padding:11px 22px;border-radius:8px;
  transition:transform .25s,box-shadow .25s;
}
.nav-links a.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px -6px rgba(13,27,61,0.4);color:#fff;}

.nav-toggle{display:none;}
@media(max-width:900px){
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--white);
    flex-direction:column;
    padding:20px 40px;
    gap:0;
    border-bottom:1px solid var(--line);
    box-shadow:0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-links a:last-child{border-bottom:none;}
  .nav-links a.nav-cta{margin:16px 0 0;text-align:center;}
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:8px;width:40px;height:40px;}
  .nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:all 0.3s cubic-bezier(.22,.7,.24,1);}
  .nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}
  .nav-toggle.active span:nth-child(2){opacity:0;}
  .nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px);}
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb{padding:100px 0 20px;background:var(--white);}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-faint);}
.breadcrumb-nav a{color:var(--ink-soft);transition:color .2s;}
.breadcrumb-nav a:hover{color:var(--accent-light);}
.breadcrumb-nav svg{width:12px;height:12px;}
.breadcrumb-nav span{color:var(--navy);font-weight:600;}

/* ---------- HERO ---------- */
.hero{padding:40px 0 80px;background:var(--white);}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px;}}
@media(max-width:600px){
  .breadcrumb{padding:80px 0 16px;}
  .hero{padding:20px 0 50px;}
  .hero-grid{gap:30px;}
  .hero p{font-size:15px;margin-bottom:20px;}
  .hero-visual{padding:24px;border-radius:16px;min-height:280px;}
  .hero-visual::before{width:150px;height:150px;top:-30px;right:-30px;}
  .btn{padding:14px 24px;font-size:13px;border-radius:10px;}
}
@media(max-width:400px){
  .hero-visual{padding:20px;min-height:240px;}
  .btn{padding:12px 20px;font-size:12px;width:100%;justify-content:center;}
  .btn-outline{margin-left:0;}
  .hero-content > div{display:flex;flex-direction:column;gap:10px;}
}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg, rgba(26,45,84,0.08), rgba(74,147,209,0.1));
  color:var(--accent);font-size:12px;font-weight:600;
  padding:8px 16px;border-radius:100px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(32px,4.5vw,48px);font-weight:800;line-height:1.1;
  letter-spacing:-0.03em;margin-bottom:20px;color:var(--navy);
}
/* Sippi Systems: Navy & Blau IT-Farben */
.hero h1 span{
  background:linear-gradient(90deg, #1a2d54, #156DB5, #4A93D1, #00A99D, #1a2d54);
  background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradientFlow 5s linear infinite;
}
@keyframes gradientFlow{
  from{background-position:0% center;}
  to{background-position:-200% center;}
}
.hero p{font-size:clamp(14px, 2.5vw, 17px);color:var(--ink-soft);line-height:1.7;margin-bottom:clamp(16px, 4vw, 28px);}

.hero-visual{
  background:linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius:clamp(12px, 2.5vw, 20px);padding:clamp(20px, 5vw, 40px);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;min-height:clamp(240px, 40vw, 360px);
}
.hero-visual::before{
  content:'';position:absolute;width:clamp(150px, 30vw, 300px);height:clamp(150px, 30vw, 300px);
  background:radial-gradient(circle,rgba(74,147,209,0.2),transparent 70%);
  top:-10%;right:-5%;
}
.linux-visual{text-align:center;position:relative;}
.linux-visual .terminal{
  width:clamp(200px, 35vw, 280px);
  background:#1a1a2e;
  border-radius:clamp(8px, 1.5vw, 12px);
  overflow:hidden;
  margin:0 auto clamp(12px, 2.5vw, 20px);
  box-shadow:0 20px 40px -10px rgba(0,0,0,0.4);
}
.linux-visual .terminal-header{
  background:#252540;
  padding:clamp(6px, 1.2vw, 10px) clamp(10px, 1.8vw, 14px);
  display:flex;gap:clamp(4px, 0.8vw, 6px);
}
.linux-visual .terminal-header span{
  width:clamp(7px, 1.2vw, 10px);height:clamp(7px, 1.2vw, 10px);border-radius:50%;
}
.linux-visual .terminal-header span:nth-child(1){background:#ff5f56;}
.linux-visual .terminal-header span:nth-child(2){background:#ffbd2e;}
.linux-visual .terminal-header span:nth-child(3){background:#27c93f;}
.linux-visual .terminal-body{
  padding:clamp(10px, 2vw, 16px);
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  color:#7ed3b2;
  text-align:left;
  line-height:1.6;
}
.linux-visual .terminal-body .prompt{color:#4A93D1;}
.linux-visual .terminal-body .output{color:rgba(255,255,255,0.6);}
.linux-visual h4{color:white;font-size:18px;font-weight:700;}
.linux-visual p{color:rgba(255,255,255,0.5);font-size:13px;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:8px;font-weight:700;font-size:14px;
  transition:all .25s var(--ease);cursor:pointer;border:none;
}
.btn-primary{
  background:linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color:#fff;box-shadow:0 8px 24px -8px rgba(13,27,61,0.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(13,27,61,0.5);}
.btn-outline{background:transparent;color:var(--navy);border:2px solid var(--line);margin-left:12px;}
@media(max-width:600px){.btn-outline{margin-left:0;}}
.btn-outline:hover{border-color:var(--navy);background:rgba(13,27,61,0.03);}
.btn svg{width:16px;height:16px;}

/* ---------- AYRI LINUX ---------- */
.ayri{padding:100px 0;background:var(--mist);}
.sec-header{text-align:center;margin-bottom:60px;}
.sec-header .eyebrow{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--accent-light);letter-spacing:0.12em;text-transform:uppercase;margin-bottom:16px;
}
.sec-header h2{
  font-size:clamp(28px,4vw,42px);font-weight:800;
  letter-spacing:-0.02em;margin-bottom:16px;color:var(--navy);
}
.sec-header p{font-size:17px;color:var(--ink-soft);max-width:580px;margin:0 auto;line-height:1.6;}
@media(max-width:600px){
  .sec-header{margin-bottom:40px;}
  .sec-header p{font-size:15px;}
  .ayri,.services,.ecosystem{padding:60px 0;}
}

.ayri-card{
  background:var(--white);border-radius:24px;padding:48px;
  border:1px solid var(--line);max-width:1000px;margin:0 auto;
}
.ayri-header{display:flex;align-items:flex-start;gap:24px;margin-bottom:32px;}
@media(max-width:600px){.ayri-header{flex-direction:column;}}
.ayri-icon{
  width:80px;height:80px;
  background:linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.ayri-icon svg{width:40px;height:40px;stroke:white;}
.ayri-header h3{font-size:32px;font-weight:800;margin-bottom:8px;color:var(--navy);}
.ayri-header h3 span{
  background:linear-gradient(135deg, var(--blue) 0%, var(--teal) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.ayri-header .subtitle{font-size:16px;color:var(--ink-soft);line-height:1.6;}

.ayri-features{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:32px;
}
@media(max-width:800px){.ayri-features{grid-template-columns:1fr;}}
.ayri-feature{
  background:var(--mist);border-radius:16px;padding:28px;
}
.ayri-feature .icon{
  width:48px;height:48px;background:var(--white);border-radius:12px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.ayri-feature .icon svg{width:24px;height:24px;stroke:var(--accent-light);}
.ayri-feature h5{
  font-size:16px;font-weight:700;margin-bottom:8px;
  background:linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.ayri-feature p{font-size:14px;color:var(--ink-soft);line-height:1.5;}

.ayri-badges{
  display:flex;gap:16px;flex-wrap:wrap;padding-top:32px;border-top:1px solid var(--line);
}
.ayri-badge{
  display:flex;align-items:center;gap:8px;
  background:var(--mist);padding:10px 16px;border-radius:8px;
  font-size:13px;font-weight:600;color:var(--navy);
}
.ayri-badge svg{width:18px;height:18px;stroke:var(--teal);}

/* ---------- SERVICES ---------- */
.services{padding:100px 0;background:var(--white);}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:800px){.services-grid{grid-template-columns:1fr;}}

.service-card{
  background:var(--mist);border-radius:16px;padding:32px;
  transition:all .3s var(--ease);
}
.service-card:hover{
  background:var(--white);
  box-shadow:0 20px 40px -15px rgba(13,27,61,0.12);
  transform:translateY(-4px);
}
.service-card .icon{
  width:48px;height:48px;
  background:linear-gradient(135deg, rgba(26,45,84,0.08), rgba(74,147,209,0.1));
  border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.service-card .icon svg{width:24px;height:24px;stroke:var(--accent-light);}
.service-card h4{
  font-size:17px;font-weight:700;margin-bottom:8px;
  background:linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.service-card p{font-size:14px;color:var(--ink-soft);line-height:1.6;}

/* ---------- ECOSYSTEM ---------- */
.ecosystem{padding:100px 0;background:var(--navy);color:white;}
.ecosystem .sec-header .eyebrow{color:var(--teal-l);}
.ecosystem .sec-header h2{color:white;}
.ecosystem .sec-header p{color:rgba(255,255,255,0.6);}

.eco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media(max-width:900px){.eco-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:500px){.eco-grid{grid-template-columns:1fr;}}

.eco-card{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);
  border-radius:16px;padding:28px;transition:all .3s var(--ease);
}
.eco-card:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15);}
.eco-card .icon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.eco-card .icon img{width:100%;height:100%;object-fit:contain;}
.eco-card h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.eco-card p{font-size:13px;color:rgba(255,255,255,0.5);line-height:1.5;}

/* ---------- CTA ---------- */
.cta-section{padding:100px 0;background:var(--mist);text-align:center;}
.cta-box{
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius:24px;padding:60px 40px;position:relative;overflow:hidden;
}
.cta-box::before{
  content:'';position:absolute;width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,255,255,0.1),transparent 70%);
  top:-200px;right:-100px;
}
.cta-box h2{font-size:clamp(24px,3.5vw,36px);font-weight:800;color:white;margin-bottom:16px;position:relative;}
.cta-box p{font-size:16px;color:rgba(255,255,255,0.9);max-width:500px;margin:0 auto 32px;position:relative;}
.cta-box .btn{background:white;color:var(--navy);position:relative;}
.cta-box .btn:hover{background:var(--teal);color:white;}

/* ---------- FOOTER ---------- */
footer{background:var(--navy-2);color:rgba(255,255,255,0.5);padding:60px 0 30px;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.1);margin-bottom:30px;
}
@media(max-width:800px){.footer-top{grid-template-columns:1fr 1fr;gap:30px;}}
@media(max-width:500px){.footer-top{grid-template-columns:1fr;}}

.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand .brand-text strong{color:white;}
.footer-brand p{font-size:14px;line-height:1.6;max-width:280px;}
.footer-col h4{font-size:12px;font-weight:700;color:white;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,0.5);transition:color .2s;}
.footer-col ul a:hover{color:white;}

.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px;}

.back-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:rgba(255,255,255,0.5);margin-top:20px;transition:color .2s;
}
.back-link:hover{color:white;}
.back-link svg{width:14px;height:14px;stroke:currentColor;}

/* Terminal blink animation */
@keyframes blink{0%,50%{opacity:1;}51%,100%{opacity:0;}}