/* ---- Base ---- */
:root{
  --bg-0:#09090b;      /* zinc-950 */
  --bg-1:#0b0b0f;      /* deep */
  --panel:#0f0f12;     /* card surface */
  --line:#27272a;      /* zinc-800 */
  --text:#fff;
  --muted:#d4d4d8;     /* zinc-300 */
  --muter:#a1a1aa;     /* zinc-400 */
  --accent:#10b981;    /* emerald-500/600 blend */
  --accent-strong:#059669;
  --shadow:0 10px 25px rgba(16,185,129,.25);
  --radius:16px;
  --radius-lg:20px;
  --wrap:72rem;        /* ~ max-w-6xl */
}

/* Reset-ish */
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Arial,Apple Color Emoji,Segoe UI Emoji; color:var(--text); background:
linear-gradient(to bottom, #09090b 0%, #0f0f14 60%, #09090b 100%); min-height:100vh}

/* Utilities */
.wrap{max-width:var(--wrap); margin-inline:auto; padding-inline:1.5rem}
.muted{color:var(--muted)}
.small{font-size:.95rem}
.xsmall{font-size:.8rem}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(120%) blur(8px);
  background:rgba(9,9,11,.9);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:0.75rem 0}
.brand{display:flex; align-items:center; gap:.75rem}
.brand-badge{
  display:grid; place-items:center;
  width:2.25rem; height:2.25rem; border-radius:14px;
  background:var(--accent); box-shadow:var(--shadow); font-weight:700
}
.brand-text .brand-title{font-weight:900; font-size:1.125rem; line-height:1}
.brand-text .brand-sub{color:var(--muter); font-size:.75rem}

/* Nav */
.main-nav{display:none; gap:.25rem; font-size:.9rem}
.nav-link{padding:.5rem .75rem; border-radius:12px; color:var(--text); text-decoration:none}
.nav-link:hover{background:rgba(39,39,42,.6)}
@media (min-width:768px){ .main-nav{display:flex} }

/* Hero */
.hero{padding-top:3.5rem; padding-bottom:2rem}
@media (min-width:768px){ .hero{padding-top:6rem; padding-bottom:4rem} }
.hero-grid{display:grid; gap:2rem}
@media (min-width:768px){ .hero-grid{grid-template-columns:1fr 1fr} }
.hero-title{font-size:2.5rem; font-weight:900; line-height:1.1; margin:0}
@media (min-width:768px){ .hero-title{font-size:3.5rem} }
.accent{color:var(--accent)}
.cta-row{display:flex; flex-wrap:wrap; gap:.75rem; margin-top:1.25rem}
.tags{margin-top:.5rem; color:var(--muter); font-size:.75rem}

/* Buttons */
.btn{display:inline-block; padding:.85rem 1.1rem; border-radius:18px; font-weight:700; text-decoration:none}
.btn-primary{background:var(--accent); color:#06130f; box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--accent-strong)}
.btn-outline{border:1px solid #3f3f46; color:var(--text)}
.btn-outline:hover{border-color:#a1a1aa}

/* Card */
.card{
  background:rgba(24,24,27,.6);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:1.25rem;
  box-shadow:0 6px 20px rgba(0,0,0,.3);
}
.card-title{font-weight:800; font-size:1.05rem; margin:0 0 .25rem}
.card-subtitle{font-weight:700; margin:0 0 .5rem}

/* Tiles inside hero card */
.grid-tiles{
  display:grid; grid-template-columns:repeat(9,1fr); gap:.5rem;
  padding:.75rem; background:rgba(9,9,11,.6);
  border:1px solid var(--line); border-radius:14px;
}
.tiles-caption{grid-column:1 / -1; font-size:.9rem; color:var(--muter)}
.tile{
  grid-column:span 3; aspect-ratio:1/1; border-radius:10px;
  background: var(--bg, #111) center/cover no-repeat;
  background-image:var(--bg);
}

/* Sections */
.section{padding-block:4rem 3rem}
.section-title{font-size:2rem; font-weight:900; letter-spacing:-.02em; margin:0 0 1rem}
.cards-3{display:grid; gap:1rem}
@media (min-width:768px){ .cards-3{grid-template-columns:repeat(3,1fr)} }
.two-col{display:grid; gap:1rem}
@media (min-width:768px){ .two-col{grid-template-columns:repeat(2,1fr)} }

/* Lists, tables, code */
.ol{padding-left:1.25rem}
.ul{padding-left:1.25rem}
.table{width:100%; border-collapse:collapse; font-size:.95rem}
.table th, .table td{padding:.5rem .25rem; text-align:left}
.table thead th{color:var(--muter)}
.table tbody tr{border-top:1px solid var(--line)}
code{background:#0b0b0f; border:1px solid var(--line); padding:.1rem .35rem; border-radius:8px}
.pre{background:#0b0b0f; border:1px solid var(--line); padding:1rem; border-radius:14px; overflow:auto; font-size:.85rem}

/* FAQ */
.faq-q{cursor:pointer; font-weight:700}
details{margin-bottom:.75rem}
details p{margin:.5rem 0 0}

/* Footer */
.footer{
  margin-top:2rem; padding:2.5rem 1.5rem; text-align:center;
  color:var(--muter); border-top:1px solid var(--line)
}

/* Animation (replacement for framer-motion) */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(10px) }
  to   { opacity:1; transform:translateY(0) }
}
.fade-up{ animation:fadeUp .5s ease-out both }