*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

:root{
  --bg:#09111d;
  --bg-soft:#0f1b2d;
  --panel:#122238;
  --panel-2:#162b45;
  --line:rgba(120,170,255,.18);
  --primary:#63a4ff;
  --secondary:#32d6a6;
  --accent:#ff8b6b;
  --text:#edf4ff;
  --muted:#9fb1c9;
  --shadow:0 20px 45px rgba(0,0,0,.28);
  --radius:20px;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(99,164,255,.14), transparent 28%),
    radial-gradient(circle at bottom right, rgba(50,214,166,.10), transparent 22%),
    linear-gradient(135deg, #09111d 0%, #0c1727 45%, #101d31 100%);
  color:var(--text);
  line-height:1.7;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(99,164,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,164,255,.06) 1px, transparent 1px);
  background-size:34px 34px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 88%);
  pointer-events:none;
  z-index:-1;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
}

.topbar{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(12px);
  background:rgba(9,17,29,.72);
  border-bottom:1px solid rgba(99,164,255,.14);
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.brand-badge{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(99,164,255,.18), rgba(50,214,166,.16));
  border:1px solid rgba(99,164,255,.24);
  box-shadow:var(--shadow);
}

.nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.nav a{
  padding:10px 14px;
  color:var(--muted);
  border:1px solid transparent;
  border-radius:999px;
  transition:.25s ease;
}

.nav a:hover,
.nav a.active{
  color:var(--text);
  border-color:rgba(99,164,255,.22);
  background:rgba(99,164,255,.08);
}

.hero{
  padding:84px 0 54px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
}

.hero-card,
.panel,
.sae-card,
.metric,
.timeline-card{
  background:linear-gradient(180deg, rgba(18,34,56,.88), rgba(12,24,40,.92));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.hero-card{
  padding:34px;
  position:relative;
  overflow:hidden;
}

.hero-card::after{
  content:"";
  position:absolute;
  inset:auto -10% -50% auto;
  width:280px;
  height:280px;
  background:radial-gradient(circle, rgba(50,214,166,.18), transparent 62%);
  pointer-events:none;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid rgba(50,214,166,.22);
  background:rgba(50,214,166,.08);
  color:#b8f7e6;
  font-size:.85rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.hero h1{
  margin:18px 0 10px;
  font-size:clamp(2.2rem, 5vw, 4.4rem);
  line-height:1.05;
  letter-spacing:-.03em;
}

.hero h1 span{
  display:block;
  background:linear-gradient(120deg, var(--primary), var(--secondary), #d9e9ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero p{
  color:var(--muted);
  font-size:1.06rem;
  max-width:62ch;
}

.hero-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 18px;
  border-radius:14px;
  font-weight:600;
  transition:.25s ease;
}

.btn-primary{
  background:linear-gradient(135deg, var(--primary), var(--secondary));
  color:#06101b;
}

.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(50,214,166,.20);
}

.btn-secondary{
  border:1px solid rgba(99,164,255,.22);
  background:rgba(99,164,255,.08);
  color:var(--text);
}

.btn-secondary:hover{
  transform:translateY(-2px);
  border-color:rgba(50,214,166,.35);
}

.hero-side{
  display:grid;
  gap:18px;
}

.panel{
  padding:22px;
}

.panel h3{
  font-size:1rem;
  margin-bottom:10px;
  color:#dce8ff;
}

.kpi{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:14px;
}

.metric{
  padding:18px;
}

.metric strong{
  display:block;
  font-size:1.7rem;
  color:var(--secondary);
}

.metric span{
  color:var(--muted);
  font-size:.95rem;
}

.section{
  padding:28px 0 70px;
}

.section-title{
  margin-bottom:22px;
}

.section-title h2{
  font-size:clamp(1.7rem, 3vw, 2.6rem);
  margin-bottom:8px;
}

.section-title p{
  color:var(--muted);
  max-width:70ch;
}

.cards{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:18px;
}

.sae-card{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:.25s ease;
}

.sae-card:hover{
  transform:translateY(-5px);
  border-color:rgba(50,214,166,.28);
}

.sae-code{
  display:inline-flex;
  width:max-content;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(99,164,255,.09);
  border:1px solid rgba(99,164,255,.2);
  color:#cfe0ff;
  font-size:.86rem;
  font-weight:700;
}

.sae-card h3{
  font-size:1.2rem;
}

.sae-card p{
  color:var(--muted);
  flex:1;
}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.tag{
  padding:7px 10px;
  border-radius:999px;
  font-size:.82rem;
  color:#c9ddff;
  background:rgba(50,214,166,.08);
  border:1px solid rgba(50,214,166,.16);
}

.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}

.timeline{
  display:grid;
  gap:16px;
}

.timeline-card{
  padding:22px;
}

.timeline-card h3{
  margin-bottom:10px;
  font-size:1.05rem;
}

.timeline-card p,
.timeline-card li{
  color:var(--muted);
}

.timeline-card ul{
  padding-left:18px;
}

.footer{
  padding:26px 0 40px;
  color:var(--muted);
  text-align:center;
}

.page-header{
  padding:60px 0 24px;
}

.page-header-card{
  padding:30px;
  background:linear-gradient(180deg, rgba(18,34,56,.90), rgba(12,24,40,.96));
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:14px;
  color:var(--muted);
  font-size:.95rem;
}

.page-header h1{
  font-size:clamp(2rem, 4vw, 3.3rem);
  line-height:1.1;
  margin-bottom:10px;
}

.page-header p{
  color:var(--muted);
  max-width:72ch;
}

.page-grid{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:20px;
  padding-bottom:70px;
}

.content-card,
.side-card{
  background:linear-gradient(180deg, rgba(18,34,56,.90), rgba(12,24,40,.96));
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
}

.content-card{
  padding:28px;
  display:grid;
  gap:22px;
}

.side-card{
  padding:22px;
  height:max-content;
  position:sticky;
  top:92px;
}

.block h2{
  font-size:1.15rem;
  margin-bottom:10px;
  color:#dce8ff;
}

.block p,
.block li{
  color:var(--muted);
}

.block ul{
  padding-left:18px;
}

.side-card h3{
  margin-bottom:12px;
}

.side-card .tags{
  margin-top:8px;
}

.quote{
  padding:16px 18px;
  border-left:3px solid var(--secondary);
  background:rgba(50,214,166,.06);
  border-radius:12px;
  color:#d8fff3;
}

.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  color:var(--muted);
}

.back-link:hover{
  color:var(--text);
}

@media (max-width: 980px){
  .hero-grid,
  .about-grid,
  .page-grid,
  .cards{
    grid-template-columns:1fr;
  }

  .side-card{
    position:static;
  }

  .topbar-inner{
    flex-direction:column;
    align-items:flex-start;
  }
}

.trace{
  margin-top:20px;
  padding:15px;
  border:1px solid rgba(99,164,255,.2);
  border-radius:12px;
  background:rgba(99,164,255,.05);
}

.trace img{
  width:100%;
  border-radius:10px;
  margin-bottom:10px;
}

.trace p{
  color:var(--muted);
  font-size:0.95rem;
}

.trace a{
  color:var(--secondary);
  text-decoration:none;
  font-weight:600;
}

.trace a:hover{
  text-decoration:underline;
}