:root{
  --bg:#f7f8fb;
  --surface:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --accent:#4f46e5;
  --accent-soft:#eef2ff;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  margin:0;
  font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  color:var(--text);
  background:var(--bg);
}

a{color:inherit}
.container{width:min(1100px,92vw); margin:0 auto}

/* ================= HEADER ================= */

.header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

.nav{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  padding:12px 0;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.brand-logo{
  width:28px;
  height:28px;
}

.brand-name{
  font-weight:900;
}

.links{
  justify-self:center;
  display:flex;
  gap:18px;
}

.links a{
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  padding:6px 10px;
  border-radius:10px;
}

.links a:hover{
  color:var(--text);
  background:var(--accent-soft);
}

.actions{
  display:flex;
  gap:10px;
  align-items:center;
}

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

.btn:hover{filter:brightness(1.05)}

.btn.ghost{
  background:white;
  color:var(--accent);
  border:1px solid var(--line);
}

.btn.full{width:100%}

.burger{
  display:none;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:white;
}

.burger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--text);
  margin:5px auto;
}

/* Mobile menu */
.mobile-menu{
  padding:12px 0 14px;
  display:grid;
  gap:10px;
  border-top:1px solid var(--line);
}

.mobile-menu a{
  text-decoration:none;
  color:var(--text);
  padding:10px 12px;
  border-radius:14px;
  background:var(--surface);
  border:1px solid var(--line);
}

/* ================= HERO ================= */

.hero{
  padding:56px 0 28px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
}

.pill{
  display:inline-block;
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  font-size:14px;
  margin-bottom:14px;
}

h1{
  font-size:42px;
  line-height:1.1;
  margin:0 0 12px;
}

.lead{
  color:var(--muted);
  font-size:18px;
  margin-bottom:18px;
}

.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:16px;
}

.mini{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
}

.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 12px;
}

.k{color:var(--muted); font-size:12px}
.v{font-weight:800}

.fineprint{
  font-size:13px;
  color:var(--muted);
  margin-top:14px;
}

/* Right hero card */
.hero-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}

.card-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.tiny-link{
  text-decoration:none;
  color:var(--accent);
  font-weight:600;
}

.hero-img{
  width:100%;
  border-radius:14px;
  margin:12px 0;
  border:1px solid var(--line);
}

.quick-links{
  display:grid;
  gap:8px;
}

.ql{
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--surface);
  text-decoration:none;
}

/* ================= SECTIONS ================= */

.section{
  padding:40px 0;
}

.section-head{
  margin-bottom:16px;
}

h2{
  margin:0 0 6px;
  font-size:26px;
}

.muted{color:var(--muted)}
.small{font-size:13px}
.mono{font-family:monospace}

/* Cards */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}

.cards.three{grid-template-columns:repeat(3,1fr)}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
}

.card-img{
  width:100%;
  height:180px;
  object-fit:cover;
  border-radius:14px;
  border:1px solid var(--line);
  margin-bottom:12px;
}

.notice{
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius);
  background:#fff7ed;
  border:1px solid #fed7aa;
}

/* ================= ACCORDION ================= */

.accordion{display:grid; gap:10px}

.acc-btn{
  width:100%;
  padding:14px 16px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  display:flex;
  justify-content:space-between;
  font-weight:800;
  cursor:pointer;
}

.acc-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
}

.grid.two{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}

.panel-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
}

.panel-card ul{
  padding-left:18px;
  margin-top:8px;
  color:var(--muted);
}

.cta-strip{
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius);
  background:var(--accent-soft);
  border:1px solid #c7d2fe;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

/* ================= MENTOR ================= */

.mentor{
  display:flex;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
}

.mentor-img{
  width:84px;
  height:84px;
  border-radius:24px;
  object-fit:cover;
  border:1px solid var(--line);
}

.tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:10px;
}

.tag{
  padding:6px 10px;
  font-size:12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--muted);
}

/* Footer */
.footer{padding-top:16px}

/* ================= RESPONSIVE ================= */

@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr}
  .cards,.cards.three{grid-template-columns:1fr}
  .grid.two{grid-template-columns:1fr}
  .links{display:none}
  .burger{display:inline-block}
}

@media (min-width:921px){
  #mobileMenu{display:none!important}
}