:root{
  --bg:#0b1220;
  --panel:#0f1a31;
  --panel2:#0b162b;
  --text:#e9eefc;
  --muted:#b9c4e7;
  --soft:#94a3c7;
  --line:rgba(255,255,255,.12);
  --accent:#7dd3fc;
  --accent2:#a78bfa;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius:18px;
  --radius2:26px;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 15% 10%, rgba(125,211,252,.18), transparent 55%),
              radial-gradient(900px 600px at 85% 15%, rgba(167,139,250,.12), transparent 55%),
              linear-gradient(180deg, #070b14, var(--bg));
  color:var(--text);
  line-height:1.5;
}

a{color:inherit}
code{background:rgba(255,255,255,.08); padding:.15rem .35rem; border-radius:10px}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}

.skip-link{
  position:absolute; left:-999px; top:12px;
  background:#fff; color:#000; padding:10px 12px; border-radius:10px;
}
.skip-link:focus{left:12px; z-index:9999}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(7,11,20,.7);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:14px 0;
}

.brand{display:flex; align-items:center; gap:12px; min-width: 220px}
.mark{
  width:44px; height:44px; border-radius:14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(125,211,252,.25), rgba(167,139,250,.25));
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  font-weight:800;
}
.brand-title{font-weight:850; letter-spacing:.2px}
.brand-subtitle{font-size:.85rem; color:var(--muted)}

.site-nav{display:flex; gap:16px; align-items:center}
.site-nav a{
  text-decoration:none;
  color:var(--muted);
  font-size:.95rem;
  padding:8px 10px;
  border-radius:12px;
}
.site-nav a:hover{background:rgba(255,255,255,.06); color:var(--text)}

.nav-toggle{
  display:none;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  border-radius:14px;
  width:44px; height:44px;
}

/* Hero */
.hero{position:relative; overflow:hidden}
.hero-inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:22px;
  padding:54px 0 34px;
  align-items:stretch;
}
.hero-bg{
  position:absolute; inset:-40px;
  background:
    radial-gradient(700px 500px at 20% 35%, rgba(125,211,252,.18), transparent 60%),
    radial-gradient(700px 500px at 80% 25%, rgba(167,139,250,.16), transparent 60%);
  pointer-events:none;
}
.hero-copy{position:relative; z-index:1}
.kicker{
  display:inline-flex; gap:8px; align-items:center;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.05);
  color:var(--muted);
  font-weight:600;
  font-size:.92rem;
}
h1{
  margin:12px 0 10px;
  font-size: clamp(2.0rem, 3vw, 3.1rem);
  line-height:1.08;
  letter-spacing:-.5px;
}
.accent{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{color:var(--muted); font-size:1.05rem; max-width: 62ch}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin:16px 0 18px}

.button{
  display:inline-flex; align-items:center; justify-content:center;
  padding:11px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  text-decoration:none;
  font-weight:700;
}
.button.primary{
  background: linear-gradient(135deg, rgba(125,211,252,.25), rgba(167,139,250,.25));
}
.button.ghost{background:rgba(255,255,255,.04); color:var(--muted)}
.button:hover{transform: translateY(-1px)}
.fineprint{color:var(--soft); font-size:.9rem; margin-top:10px}

.countdown{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:10px;
  margin-top:14px;
}
.count-item{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius:16px;
  padding:12px 10px;
  text-align:center;
}
.count-num{font-size:1.55rem; font-weight:850}
.count-label{color:var(--muted); font-size:.85rem}

.hero-card{
  position:relative; z-index:1;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03)),
    url("https://upload.wikimedia.org/wikipedia/commons/6/6b/Mount_Washington_Summit%2C_NH.jpg");
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
  overflow:hidden;
  min-height: 340px;
}
.hero-card::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(7,11,20,.35), rgba(7,11,20,.82));
}
.hero-card-inner{
  position:relative;
  padding:18px;
}
.hero-card-title{font-weight:850; margin:0 0 10px; font-size:1.1rem}
.bullets{margin:0; padding-left:18px; color:var(--muted)}
.divider{height:1px; background:var(--line); margin:14px 0}
.hero-card-note{margin:0; color:var(--soft); font-size:.92rem}

/* Sections */
.section{padding:48px 0}
.section-alt{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
h2{margin:0 0 10px; font-size:1.85rem; letter-spacing:-.3px}
p{margin:0 0 12px}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
  align-items:start;
}

.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
}
.card-title{margin:0 0 8px; font-weight:850}
.card-text{color:var(--muted)}
.small{color:var(--soft); font-size:.92rem}
.link{color:var(--accent); text-decoration:none}
.link:hover{text-decoration:underline}

.callout{
  margin-top:12px;
  border:1px dashed rgba(125,211,252,.5);
  border-radius: var(--radius);
  padding:12px 14px;
  background: rgba(125,211,252,.08);
}

.tag-row{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px}
.tag{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:999px;
  padding:6px 10px;
  font-size:.85rem;
  color:var(--muted);
}

.checklist{list-style:none; padding:0; margin:0}
.checklist li{display:flex; gap:10px; padding:8px 0; border-bottom:1px solid var(--line); color:var(--muted)}
.checklist li:last-child{border-bottom:0}

.years{
  display:flex; flex-wrap:wrap; gap:10px;
  margin:14px 0 0;
}
.year{
  text-decoration:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  padding:10px 12px;
  border-radius:999px;
  font-weight:700;
}
.year:hover{color:var(--text); background:rgba(255,255,255,.06)}
.note{
  margin-top:16px;
  color:var(--soft);
  border-left:3px solid rgba(167,139,250,.6);
  padding-left:12px;
}

.timeline{margin:0; padding-left:18px; color:var(--muted)}
.timeline li{margin:8px 0}

.faq{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background:rgba(255,255,255,.04);
  padding:12px 14px;
  margin:10px 0;
}
.faq summary{cursor:pointer; font-weight:800}
.faq-body{color:var(--muted); margin-top:8px}
.foot{margin-top:14px}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:22px 0;
  background: rgba(7,11,20,.65);
}
.footer-inner{display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap}
.footer-title{font-weight:900}
.footer-text{color:var(--soft); font-size:.92rem}
.footer-links{display:flex; gap:14px; flex-wrap:wrap}
.footer-links a{color:var(--muted); text-decoration:none}
.footer-links a:hover{color:var(--text)}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{grid-template-columns: 1fr; padding-top:34px}
  .grid-2{grid-template-columns:1fr}
  .site-nav{
    display:none;
    position:absolute;
    right:18px; top:70px;
    flex-direction:column;
    gap:6px;
    background: rgba(7,11,20,.95);
    border:1px solid var(--line);
    border-radius:16px;
    padding:10px;
    width:min(320px, calc(100vw - 36px));
  }
  .site-nav.open{display:flex}
  .nav-toggle{display:inline-flex; align-items:center; justify-content:center}
  .countdown{grid-template-columns: repeat(2, minmax(0, 1fr))}
}