:root{
  --bg:#0b0c10;
  --fg:#f2f3f5;
  --muted:#b8bcc6;
  --card:#121421cc;
  --line:#ffffff1a;
  --accent:#d7b56d;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; scroll-behavior:smooth; }
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--fg);
}

.container{ width:min(1100px, 92%); margin:0 auto; }
.section{ position:relative; padding:100px 0; overflow:hidden; }
.section.alt{ background: linear-gradient(180deg, #0b0c10 0%, #0e1017 100%); }
.section.cta{ padding:120px 0; }

.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background: rgba(11,12,16,.62);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  width:min(1100px, 92%); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  font-weight:800; letter-spacing:.08em; font-size:19px;
  color:var(--muted); text-decoration:none;
}
nav a{
  color:var(--fg); text-decoration:none; margin-left:18px; font-size:14px; opacity:.85;
}
nav a:hover{ opacity:1; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px; border-radius:999px;
  border:1px solid var(--line);
  color:var(--fg); text-decoration:none;
  background:transparent;
  cursor:pointer;
}
.btn.primary{
  background: var(--accent);
  color:#131313;
  border-color: transparent;
  font-weight:700;
}

.btn.secondary{
  background-color: #627862;
  color:#fff;
  border-color: transparent;
  font-weight:700;
}

.btn.third{
  background-color: #980000;
  color:#fff;
  border-color: transparent;
  font-weight:700;
}

.btn.fourth{
  background-color: #000cb0;
  color:#fff;
  border-color: transparent;
  font-weight:700;
}
.btn.ghost{ background:transparent; }

.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  padding-top:90px;
}




.hero-bg{
  position:absolute; inset:-20%;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  transform: translate3d(0,0,0);
  filter: saturate(1.05) contrast(1.04);
}
.hero-overlay{
  position:absolute; inset:0;
  background:
    radial-gradient(900px 600px at 18% 52%, rgba(215,181,109,.20), transparent 55%),
    radial-gradient(700px 520px at 78% 42%, rgba(120,160,255,.14), transparent 55%),
    linear-gradient(180deg, rgba(0,0,0,.70) 0%, rgba(0,0,0,.25) 35%, rgba(0,0,0,.70) 100%);
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:34px;
  align-items:center;
}
.kicker{
  letter-spacing:.12em; text-transform:uppercase;
  color:rgba(242,243,245,.78);
  font-size:12px; margin:0 0 14px;
}
.title{
  font-family:"Playfair Display", serif;
  font-size: clamp(44px, 5vw, 76px);
  line-height:1.02;
  margin:0 0 18px;
  text-shadow: 0 10px 40px rgba(0,0,0,.45);
}
.subtitle{
  color: rgba(242,243,245,.85);
  font-size:18px;
  line-height:1.22;
  max-width:720px;
  margin:0 0 26px;
}
.hero-actions{ display:flex; gap:12px; flex-wrap:wrap; }
.trust{ display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; }
.chip{
  border:1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.18);
  padding:8px 12px;
  border-radius:999px;
  font-size:12px;
  color: rgba(242,243,245,.88);
}
.hero-art{ display:flex; justify-content:center; }
.book{
  width:min(420px, 92%);
  height:auto;
  filter: drop-shadow(0 26px 60px rgba(0,0,0,.55));
  transform: translateY(8px);
}

.scroll-hint{
  position:absolute; bottom:18px; left:50%;
  transform:translateX(-50%);
  color: rgba(242,243,245,.72);
  font-size:12px;
  opacity:.9;
}

.split{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap:36px;
  align-items:start;
}
h2{
  font-size:32px;
  margin:0 0 14px;
  font-family:"Playfair Display", serif;
}
p{ line-height:1.7; }
.muted{ color: var(--muted); }
.bullets{ margin:18px 0 0; padding-left:18px; color:var(--muted); }
.bullets li{ margin:8px 0; }

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:18px;
  margin-top:22px;
}
.card{
  background: var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
  box-shadow: var(--shadow);
}
.card h3{ margin:0 0 8px; }
.card p{ margin:0; color:var(--muted); }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:18px;
}
.pill{
  border:1px solid var(--line);
  border-radius:999px;
  padding:12px 14px;
  color:var(--fg);
  background: rgba(255,255,255,.03);
}

.diagram{
  border:1px solid var(--line);
  border-radius:22px;
  padding:28px;
  background: rgba(255,255,255,.03);
  max-width:auto;
}
.node{
  padding:12px 14px;
  border-radius:14px;
  background: rgba(215,181,109,.12);
  border:1px solid rgba(215,181,109,.35);
  margin:10px 0;
  font-weight:700;

}



.arrow{ color:var(--muted); text-align:center; }

.form{
  display:grid; gap:10px;
  max-width:520px;
  margin-top:18px;
}
input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  color: var(--fg);
  outline:none;
}
input::placeholder, textarea::placeholder{ color: rgba(242,243,245,.55); }
.footnote{ margin-top:22px; color:var(--muted); font-size:12px; }

.reveal{
  opacity:0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in{
  opacity:1;
  transform: translateY(0);
}


  .btn.icon-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:12px 18px;
    border-radius:14px;
    text-decoration:none;
    font-weight:700;
    border:1px solid rgba(255,255,255,.18);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    will-change: transform;
  }
  .btn.icon-btn i{ font-size: 1.05em; }
  .btn.icon-btn:hover{
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0,0,0,.18);
    border-color: rgba(255,255,255,.35);
  }
  .btn.icon-btn:active{
    transform: translateY(0px) scale(.98);
  }


hr.mfa-divider{
position: relative;
  width: 100%;
  max-width: 1100px;
  margin: 90px auto;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(215,181,109,.6),
    rgba(255,255,255,.25),
    rgba(215,181,109,.6),
    transparent
  );
}

hr.mfa-divider span{
position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #d7b56d;
  box-shadow:
    0 0 20px rgba(215,181,109,.6),
    0 0 40px rgba(215,181,109,.4),
    0 0 60px rgba(215,181,109,.2);
}

@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; text-align:left; }
  .hero-art{ order:-1; justify-content:flex-start; }
  .book{ width:min(380px, 80%); }
  .split{ grid-template-columns:1fr; }
  .cards{ grid-template-columns:1fr; }
  .grid{ grid-template-columns:1fr; }
  nav a{ display:none; }
  nav a.btn{ display:inline-flex; }
}