:root{
  --bg:#f5f5f7;
  --bg-elev:#ffffff;
  --card:#ffffff;
  --text:#111318;
  --text-sub:#5c6475;
  --border:#d1d5e1;
  --gold:#f2c76b;
  --gold-hover:#f7d889;
  --shield-opacity:0.045;
  --alert-bg:#fff6e5;
  --alert-text:#5a4215;
  --status-active:#2dbf7f;
  --status-restricted:#ff5f5f;
  --header-h:80px;
  --radius-sm:4px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-soft:0 4px 20px rgba(0,0,0,0.07);
  --shadow-pop:0 10px 30px rgba(0,0,0,0.35);
  --ease:0.25s ease;
}

body.dark-mode{
  --bg:#050608;
  --bg-elev:#0c0f16;
  --card:#10131b;
  --text:#f5f5f7;
  --text-sub:#9ba1b4;
  --border:#2d3241;
  --shield-opacity:0.055;
  --alert-bg:#20140c;
  --alert-text:#ffd6a0;
}

*,
*::before,
*::after{box-sizing:border-box;}

html,body{
  margin:0;
  padding:0;
  height:100%;
}

body{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  display:flex;
  flex-direction:column;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

svg,path{transition:fill var(--ease),stroke var(--ease);}

body,
header,
footer,
.doc-card,
.small-card,
.tier-card,
.contact-card,
.value-card,
.form-control,
.btn,
#main-nav a,
.brand-text h1,
.brand-text span,
.theme-toggle,
.alert-box,
.nav-toggle span,
.split-image img{
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease,
    opacity 0.3s ease;
}

.container{
  max-width:1200px;
  width:100%;
  margin:0 auto;
  padding:0 30px;
}

.background-animation{
  position:fixed;
  top:-50%;
  left:-50%;
  width:200%;
  height:200%;
  background-image:url('sisucrypt_shield.png');
  background-repeat:repeat;
  background-size:150px;
  opacity:var(--shield-opacity);
  z-index:-1;
  transform:rotate(-10deg);
  animation:scrollBackground 60s linear infinite;
  pointer-events:none;
}

@keyframes scrollBackground{
  0%{transform:rotate(-10deg) translateY(0);}
  100%{transform:rotate(-10deg) translateY(-150px);}
}

header{
  position:sticky;
  top:0;
  z-index:200;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:var(--bg-elev);
  border-bottom:2px solid var(--gold);
  backdrop-filter:blur(6px);
}

header .container{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{
  display:flex;
  align-items:center;
  gap:20px;
}

.logo-img{
  height:50px;
  width:auto;
}

.brand-text h1{
  margin:0;
  line-height:1;
  font-size:1.5rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:2px;
  color:var(--text);
}

.brand-text span{
  display:block;
  margin-top:4px;
  font-size:0.75rem;
  font-weight:600;
  letter-spacing:0.5px;
  color:var(--gold);
}

.nav-group{
  display:flex;
  align-items:center;
  gap:20px;
  position:relative;
  z-index:210;
}

.theme-toggle{
  background:transparent;
  border:1px solid var(--border);
  color:var(--text);
  padding:6px 12px;
  border-radius:var(--radius-md);
  font-size:0.75rem;
  font-weight:700;
  text-transform:uppercase;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:6px;
}

.theme-toggle:hover{
  border-color:var(--gold);
  color:var(--gold);
}

.nav-toggle{
  width:30px;
  height:22px;
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  z-index:220;
}

.nav-toggle span{
  display:block;
  width:100%;
  height:2px;
  background:var(--gold);
  border-radius:2px;
}

.nav-toggle:hover span:nth-child(1){transform:translateY(-2px);}
.nav-toggle:hover span:nth-child(3){transform:translateY(2px);}

.nav-toggle.active span:nth-child(1){transform:translateY(10px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;transform:translateX(10px);}
.nav-toggle.active span:nth-child(3){transform:translateY(-10px) rotate(-45deg);}

#main-nav{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:280px;
  background:var(--bg-elev);
  border:1px solid var(--gold);
  box-shadow:var(--shadow-pop);
  padding:14px 0;
  transform:translateY(-10px);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  z-index:230;
}

#main-nav.active{
  transform:translateY(0);
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}

#main-nav a{
  display:block;
  padding:12px 22px;
  font-size:0.9rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1px;
  color:var(--text);
  border-left:3px solid transparent;
}

#main-nav a:hover{
  background:rgba(242,199,107,0.08);
  border-left-color:var(--gold);
  color:var(--gold);
  padding-left:28px;
}

.main-content{
  flex:1;
  padding:40px 20px;
}

.main-content > .hero-section,
.main-content > .container,
.main-content > .doc-card,
.main-content > .contact-card,
.main-content > div{
  max-width:900px;
  margin-left:auto;
  margin-right:auto;
}

.content-wrapper{
  max-width:900px;
  margin:0 auto;
  width:100%;
}

.hero-section{
  text-align:center;
  margin-bottom:40px;
}

.hero-section h2,
.section-title{
  margin:0 0 10px;
  font-size:2.3rem;
  font-weight:300;
  color:var(--text);
}

.section-subtitle{
  margin:0 auto 30px;
  max-width:640px;
  font-size:0.95rem;
  color:var(--text-sub);
}

.hero-img{
  width:220px;
  height:auto;
  margin:0 auto 20px;
}

.split-section{
  display:flex;
  align-items:center;
  gap:50px;
  max-width:900px;
  margin:0 auto 80px;
  padding:0 20px;
}

.split-section.reverse{flex-direction:row-reverse;}

.split-text{flex:1;}

.split-text h3{
  margin:0 0 15px;
  font-size:1.8rem;
  color:var(--gold);
  border-left:3px solid var(--gold);
  padding-left:15px;
}

.split-image{
  flex:1;
  position:relative;
}

.split-image img{
  width:100%;
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  box-shadow:0 10px 30px rgba(0,0,0,0.30);
}

.split-image img:hover{
  transform:scale(1.02);
  border-color:var(--gold);
}

.values-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:30px;
  margin-top:40px;
}

.value-card{
  background:var(--card);
  border:1px solid var(--border);
  border-top:3px solid var(--gold);
  padding:30px;
}

.value-card:hover{
  transform:translateY(-5px);
  border-color:var(--gold);
  box-shadow:0 5px 15px rgba(0,0,0,0.20);
}

.value-card strong{
  display:block;
  margin-bottom:10px;
  font-size:1.1rem;
  text-transform:uppercase;
  color:var(--gold);
}

.doc-card,
.contact-card,
.tier-card{
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft);
  padding:40px;
  max-width:900px;
  width:100%;
  margin:0 auto 30px;
}

.small-card{padding:30px;}

.doc-meta{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-bottom:1px solid var(--border);
  padding-bottom:15px;
  margin-bottom:25px;
  font-size:0.85rem;
  color:var(--text-sub);
  font-family:Consolas,monospace;
}

.status-active{color:var(--status-active);font-weight:700;}
.status-restricted{color:var(--status-restricted);font-weight:700;}

.specs-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
}

h2{font-weight:400;font-size:2rem;margin-top:0;color:var(--text);}
h3{font-weight:600;font-size:1.4rem;margin:0 0 10px;color:var(--text);}
p{font-size:1.02rem;color:var(--text);margin:0 0 1.5rem;}

.actions{
  margin-top:2rem;
  display:flex;
  justify-content:center;
  gap:1.5rem;
  flex-wrap:wrap;
}

.btn{
  border-radius:var(--radius-pill);
  padding:10px 24px;
  font-size:0.85rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.08em;
  border:1px solid transparent;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:160px;
}

.btn-primary{
  background:var(--gold);
  color:#000;
  border-color:var(--gold);
}

.btn-primary:hover{background:var(--gold-hover);}

.btn-outline{
  background:transparent;
  color:var(--gold);
  border-color:var(--gold);
}

.btn-outline:hover{background:rgba(255,215,128,0.08);}

.form-group{margin-bottom:20px;}

.form-group label{
  display:block;
  margin-bottom:6px;
  font-size:0.75rem;
  font-weight:800;
  text-transform:uppercase;
  color:var(--text-sub);
}

.form-control{
  width:100%;
  padding:12px;
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text);
  font-size:0.95rem;
}

.form-control:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 1px rgba(242,199,107,0.35);
}

.form-row{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
}

.form-row .half{flex:1 1 200px;}

.alert-box{
  background:var(--alert-bg);
  color:var(--alert-text);
  border-left:3px solid var(--gold);
  border-radius:var(--radius-sm);
  padding:12px;
  font-size:0.9rem;
  margin-bottom:20px;
}

.cookie-banner{
  position:fixed;
  left:0;
  right:0;
  bottom:-100%;
  background:rgba(5,6,8,0.98);
  border-top:1px solid var(--gold);
  color:#f5f5f5;
  padding:15px;
  z-index:999;
  transition:bottom 0.4s cubic-bezier(0.19,1,0.22,1);
}

.cookie-content{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  gap:20px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}

.btn-cookie{
  border:1px solid var(--gold);
  background:transparent;
  color:var(--gold);
  padding:6px 16px;
  font-size:0.8rem;
  border-radius:var(--radius-pill);
  cursor:pointer;
}

.btn-cookie:hover{background:rgba(255,215,128,0.15);}

footer{
  border-top:1px solid var(--border);
  padding:40px 0;
  background:rgba(0,0,0,0.02);
  backdrop-filter:blur(4px);
}

.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:20px;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  text-align:left;
}

.footer-col{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.footer-label{
  font-size:0.75rem;
  font-weight:800;
  text-transform:uppercase;
  margin-bottom:4px;
}

.footer-text{
  color:var(--text-sub);
  font-size:0.8rem;
  line-height:1.5;
}

.hero-banner{
  position:relative;
  width:100%;
  min-height:360px;
  overflow:hidden;
  background:#000;
  border-bottom:2px solid var(--gold);
}

.hero-slide{
  position:absolute;
  inset:0;
  background-size:cover;
  background-repeat:no-repeat;
  background-position:0% 50%;
  opacity:0;
  transform:scale(1.08);
  will-change:opacity,background-position,transform;
  animation:heroSlideCycle 24s linear infinite;
}

.hero-slide.slide-1{background-image:url('datacentre1.png');animation-delay:0s;}
.hero-slide.slide-2{background-image:url('PCB_image1.png');animation-delay:8s;}
.hero-slide.slide-3{background-image:url('Serverrack1.png');animation-delay:16s;}

@keyframes heroSlideCycle{
  0%{opacity:0;background-position:0% 50%;transform:scale(1.08);}
  5%{opacity:1;}
  28%{opacity:1;background-position:100% 50%;transform:scale(1.03);}
  33%{opacity:0;}
  100%{opacity:0;background-position:100% 50%;transform:scale(1.08);}
}

.hero-overlay{
  position:absolute;
  inset:0;
  z-index:2;
  background:linear-gradient(to bottom,rgba(5,6,8,0.35),rgba(5,6,8,0.92));
}

.hero-content{
  position:relative;
  z-index:3;
  max-width:1200px;
  margin:0 auto;
  padding:78px 30px 54px;
  text-align:left;
}

.hero-content h2{
  margin:0 0 10px;
  font-size:3rem;
  font-weight:300;
  color:#f5f5f7;
}

.hero-section p,
.section-subtitle,
.center-copy{
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.hero-section p,
.section-subtitle{
  text-wrap: balance;
}

.lead-text{
  margin:0;
  max-width:820px;
  font-size:1.05rem;
  color:#f5f5f7;
  opacity:0.95;
}

@media (max-width:768px){
  .footer-grid{
    grid-template-columns:1fr;
    text-align:center;
    gap:30px;
  }

  .brand-text h1{font-size:1.25rem;}
  .brand-text span{font-size:0.65rem;}

  #main-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    width:100%;
    max-height:calc(100vh - var(--header-h));
    overflow:auto;
    border-left:none;
    border-right:none;
    border-bottom:1px solid var(--gold);
  }

  .specs-grid{grid-template-columns:1fr;}

  .split-section,
  .split-section.reverse{
    flex-direction:column;
    gap:30px;
  }

  .hero-banner{min-height:300px;}
  .hero-content{padding:56px 20px 40px;}
  .hero-content h2{font-size:2.1rem;}
}

.values-grid.doctrine-grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  justify-content: center;
}

@media (max-width: 900px){
  .values-grid.doctrine-grid{ grid-template-columns: 1fr; }
}

@media (max-width:480px){
  .container{padding:0 20px;}
  :root{--header-h:70px;}
  .hero-section h2{font-size:1.8rem;}
}