:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --text:#e8eefc;
  --muted:rgba(232,238,252,.78);
  --card:#ffffff;
  --ink:#0b1220;
  --sub:#5b6473;
  --brand:#0b5fff;
  --brand2:#00a3ff;
  --line:rgba(15,23,42,.10);
  --shadow:0 18px 50px rgba(2,8,23,.10);
  --radius:18px;
  --max:1120px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--ink);
  background:#fff;
  line-height:1.5;
}
a{color:inherit}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}
.row{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}

.topbar{
  background:#0b1220;
  color:rgba(255,255,255,.90);
  font-size:13px;
}
.topbar .row{padding:10px 0}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
}
.pill svg{width:16px;height:16px;fill:currentColor;opacity:.9}
.pill a{color:#fff;text-decoration:none}
.pill a:hover{text-decoration:underline}

/* Nav */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-row{padding:14px 0}
.brand img{height:44px;width:auto;display:block}
.menu{
  display:flex;
  gap:14px;
  align-items:center;
}
.menu a{
  text-decoration:none;
  color:rgba(11,18,32,.85);
  font-weight:800;
  font-size:14px;
}
.menu a:hover{color:var(--brand)}
.cta{display:flex;align-items:center}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  text-decoration:none;
  font-weight:900;
  border:1px solid transparent;
  transition:transform .08s ease, box-shadow .15s ease, filter .15s ease, background .15s ease, border-color .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px;fill:currentColor}
.btn-primary{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color:white;
  box-shadow: 0 16px 40px rgba(11,95,255,.24);
}
.btn-primary:hover{box-shadow:0 18px 48px rgba(11,95,255,.30)}
.btn-ghost{
  background:white;
  border-color: rgba(11,18,32,.18);
  color: rgba(11,18,32,.92);
}
.btn-ghost:hover{border-color: rgba(11,95,255,.35); box-shadow: 0 12px 34px rgba(2,8,23,.08)}

/* Mobile menu button */
.menuBtn{
  display:none;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);
  background:white;
}
.menuBtn span{display:block;width:18px;height:2px;background:#0b1220;margin:4px auto;border-radius:2px}

/* Hero */
.hero{
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(11,95,255,.20), transparent 55%),
    radial-gradient(800px 500px at 85% 20%, rgba(0,163,255,.20), transparent 55%),
    linear-gradient(180deg, #ffffff, #f7f9ff);
  padding: 52px 0 26px;
}
.inner{max-width:var(--max);margin:0 auto}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  align-items:stretch;
}
.h-kicker{
  display:inline-block;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(11,95,255,.08);
  border:1px solid rgba(11,95,255,.16);
  font-weight:900;
  font-size:13px;
  color:rgba(11,18,32,.90);
}
.hero h1{
  margin:14px 0 10px;
  font-size: clamp(30px, 4.2vw, 50px);
  line-height:1.05;
  letter-spacing:-0.6px;
}
.lead{color:rgba(11,18,32,.78);font-size:16px;max-width:60ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 0}
.hero-card{
  background:white;
  border:1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 18px;
}
.hero-card h3{margin:0 0 10px}
.hero-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.hero-list li{display:flex;gap:10px;align-items:flex-start;color:rgba(11,18,32,.80)}
.hero-list svg{width:18px;height:18px;fill:#22c55e;margin-top:2px}

/* Sections */
.section{padding:56px 0}
.section-tight{padding-top:0}
.section-alt{background:#0b1b2b;color:#fff}
.section-title{margin:0 0 6px;font-size:28px;letter-spacing:-.2px}
.section-sub{margin:0 0 18px;color:rgba(11,18,32,.72)}
.section-alt .section-sub{color:rgba(255,255,255,.80)}
.section-alt .section-title{color:#fff}

.cards{
  display:grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap:14px;
}
.card{
  background:white;
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
  box-shadow:0 14px 36px rgba(2,8,23,.06);
}
.card .icon{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(11,95,255,.08);
  border:1px solid rgba(11,95,255,.14);
  color:var(--brand);
}
.card .icon svg{width:22px;height:22px;fill:currentColor}
.card h4{margin:10px 0 6px}
.card p{margin:0;color:rgba(11,18,32,.74)}

.gallery{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap:14px;
}
.thumb{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 14px 36px rgba(2,8,23,.06);
  background:white;
}
.thumb img{width:100%;height:220px;object-fit:cover;display:block}
.cap{padding:10px 12px;font-weight:900;color:rgba(11,18,32,.82)}

.ba-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.ba{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 14px 36px rgba(2,8,23,.06);
  background:white;
}
.ba-head{
  display:flex;
  justify-content:space-between;
  padding:12px 14px;
  background:#f7f9ff;
  border-bottom:1px solid var(--line);
  font-weight:900;
  color:rgba(11,18,32,.82);
}
.ba-body{display:grid;grid-template-columns:1fr 1fr}
.ba-body figure{margin:0;position:relative}
.ba-body img{width:100%;height:240px;object-fit:cover;display:block}
.badge{
  position:absolute;left:10px;top:10px;
  background:rgba(11,18,32,.75);
  color:white;
  font-weight:900;
  font-size:12px;
  padding:6px 8px;
  border-radius:999px;
}
.arrow{
  position:absolute;
  right:-12px;
  top:50%;
  transform: translateY(-50%);
  width:28px;height:28px;border-radius:999px;
  background:white;
  border:1px solid var(--line);
  display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(2,8,23,.10);
}
.arrow svg{width:18px;height:18px;fill:rgba(11,18,32,.72)}

.big-cta{
  margin-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  background: linear-gradient(135deg, rgba(11,95,255,.12), rgba(0,163,255,.10));
  border:1px solid rgba(11,95,255,.18);
  border-radius:22px;
  padding:18px;
}
.big-cta h3{margin:0 0 4px}
.big-cta p{margin:0;color:rgba(11,18,32,.74)}

/* Book */
.book-actions{display:flex;gap:12px;flex-wrap:wrap;margin: 12px 0 14px}
.form-wrap{
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background:white;
}
.form-wrap iframe{width:100%;height:980px;border:0;display:block}
.form-note{margin-top:12px;color:rgba(255,255,255,.78);font-size:13px}

/* Footer */
footer{
  background:#0b1220;
  color:rgba(255,255,255,.92);
  padding: 40px 0;
}
.foot-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
  align-items:start;
}
.foot-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;
  padding:16px;
}
.foot-card h4{margin:0 0 10px}
.foot-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot-list li{display:flex;gap:10px;align-items:flex-start}
.foot-list svg{width:18px;height:18px;fill:white;opacity:.9;margin-top:2px}
.foot-list a{color:white;text-decoration:none}
.foot-list a:hover{text-decoration:underline}
.copy{margin-top:14px;opacity:.85;font-size:13px}
.foot-sub{margin:0 0 14px;opacity:.88;line-height:1.6}
.spacer{height:14px}
.foot-img{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.foot-img img{width:100%;height:220px;object-fit:cover;display:block}

/* Responsive */
@media (max-width: 1100px){
  .cards{grid-template-columns: repeat(3, minmax(0,1fr))}
}
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr}
  .gallery{grid-template-columns: repeat(2, minmax(0,1fr))}
  .ba-grid{grid-template-columns: 1fr}
  .foot-grid{grid-template-columns: 1fr}
}
@media (max-width: 860px){
  .menuBtn{display:inline-block}
  .menu{
    position:fixed;
    left:16px;right:16px;top:76px;
    background:white;
    border:1px solid var(--line);
    border-radius:18px;
    padding:12px;
    box-shadow:0 18px 50px rgba(2,8,23,.14);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    z-index:60;
  }
  .menu a{padding:10px 10px;border-radius:14px}
  .menu a:hover{background:rgba(11,95,255,.06)}
  .menu.isOpen{display:flex}
}