:root{
  --bg: #f7f5f3;              /* page background */
  --surface: rgba(0,0,0,.04); /* cards */
  --surface-2: rgba(0,0,0,.06);
  --text: rgba(17,17,17,.92);
  --muted: rgba(17,17,17,.68);
  --muted-2: rgba(17,17,17,.52);
  --border: rgba(17,17,17,.12);

  --burgundy: #7a1f2a;        /* primary CTA */
  --burgundy-2: #a43a48;      /* hover / accent */

  --max: 1120px;
  --radius: 18px;
  --shadow: 0 14px 40px rgba(0,0,0,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(122,31,42,.14), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(164,58,72,.10), transparent 60%),
    radial-gradient(1200px 700px at 50% 120%, rgba(122,31,42,.10), transparent 65%),
    var(--bg);
  line-height: 1.55;
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}
.section{padding:80px 0}
@media (max-width: 720px){ .section{padding:56px 0} }

.pill{
  display:inline-flex; gap:10px; align-items:center;
  padding:8px 12px; border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}

.h1{
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 14px 0 14px;
}
.h2{
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.sub{
  color: var(--muted);
  font-size: 16px;
  max-width: 68ch;
  margin: 0;
}

.grid{
  display:grid;
  gap:18px;
}
.card{
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-body{padding:18px}
.card-title{font-weight:700; font-size:18px; margin:0 0 8px}
.card-meta{color: var(--muted); font-size: 14px; margin:0}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 650;
  font-size: 14px;
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.22)}
.btn:active{transform: translateY(0px)}
.btn-primary{
  background: linear-gradient(135deg, var(--burgundy), #5a141d);
  border-color: rgba(0,0,0,.10);
  color: rgba(255,255,255,.95);
}
.btn-primary:hover{
  background: linear-gradient(135deg, var(--burgundy-2), #6a1822);
}
.btn-ghost{background: transparent}

.nav{
  position: sticky; top:0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(247,245,243,.78);
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight: 800; letter-spacing: .2px;
}
.brand-logo{
  width:40px;
  height:40px;
  border-radius:12px;
  object-fit:cover;
  box-shadow: 0 10px 24px rgba(122,31,42,.14);
}
.logo-dot{
  width:10px; height:10px; border-radius:999px;
  background: linear-gradient(135deg, var(--burgundy), var(--burgundy-2));
  box-shadow: 0 0 0 6px rgba(122,31,42,.14);
}
.nav-links{
  display:flex; align-items:center; gap:18px;
  color: var(--muted);
  font-size: 14px;
}
.nav-links a:hover{color: var(--text)}
.nav-actions{display:flex; align-items:center; gap:10px}
.burger{display:none}

@media (max-width: 980px){
  .nav-links{display:none}
  .burger{display:inline-flex}
}

.mobile-menu{
  display:none;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 12px 0 18px;
}
.mobile-menu.open{display:block}
.mobile-menu a{
  display:flex; padding:10px 0; color: var(--muted);
}
.mobile-menu a:hover{color: var(--text)}
.mobile-menu .row{display:flex; gap:10px; flex-wrap:wrap; padding-top:10px}

.hero{
  padding: 54px 0 20px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items: start;
}
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
}
.hero-card{
  padding: 18px;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(0,0,0,.08);
  background:
    radial-gradient(800px 400px at 0% 0%, rgba(122,31,42,.14), transparent 60%),
    radial-gradient(700px 450px at 90% 30%, rgba(164,58,72,.10), transparent 60%),
    rgba(255,255,255,.70);
  box-shadow: var(--shadow);
}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.hero-right{
  display:grid; gap:18px;
}
.hero-media-card .card-body{display:grid; gap:12px}
.media-frame{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--border);
  background: linear-gradient(135deg, rgba(122,31,42,.12), rgba(164,58,72,.08));
  min-height:260px;
  display:flex; align-items:center; justify-content:center;
}
.media-frame img{width:100%; height:100%; object-fit:cover; object-position:center}
.media-frame--compact{min-height:220px}
.testimonial-media{
  display:grid;
  gap:12px;
  margin-bottom:16px;
}
.about-photo-card .card-body{display:grid; gap:10px}
.kpi{
  display:flex; flex-direction:column; gap:6px;
}
.kpi b{font-size:18px}
.kpi span{color: var(--muted); font-size: 13px}

.course-grid{
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 980px){ .course-grid{grid-template-columns: 1fr} }

.course-header{
  display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
}
.badge{
  font-size:12px;
  color: rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.14);
  padding:6px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.04);
  white-space: nowrap;
}
.course-details{
  color: var(--muted);
  font-size: 14px;
  margin-top: 12px;
}
.course-details ul{margin:10px 0 0; padding-left: 18px}
.course-details li{margin:6px 0}

.accordion{
  border-top: 1px solid rgba(255,255,255,.10);
  margin-top: 14px;
}
.accordion button{
  width:100%;
  text-align:left;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  background: none; border: none; color: var(--text);
  cursor:pointer; font-weight: 650;
}
.accordion .panel{
  display:none;
  padding: 0 0 14px 0;
  color: var(--muted);
  font-size: 14px;
}
.accordion.open .panel{display:block}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}
@media (max-width: 980px){ .split{grid-template-columns:1fr} }

.teacher-grid{
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 980px){ .teacher-grid{grid-template-columns: 1fr} }

.avatar{
  width:44px; height:44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,.9), rgba(167,139,250,.7));
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 10px 30px rgba(124,58,237,.18);
}

.slider{
  position:relative;
}
.slider-track{
  display:flex;
  overflow:hidden;
  scroll-behavior:smooth;
  border-radius: var(--radius);
}
.slide{
  min-width: 100%;
}
.slider-controls{
  display:flex; gap:10px; margin-top: 12px;
}
blockquote{
  margin:0;
  padding: 20px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
blockquote p{margin:0 0 10px; color: var(--text); font-size: 16px}
blockquote footer{color: var(--muted); font-size: 13px}

.cta-band{
  padding: 22px;
  border-radius: calc(var(--radius) + 10px);
  border: 1px solid rgba(0,0,0,.08);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(122,31,42,.16), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(164,58,72,.10), transparent 60%),
    rgba(255,255,255,.70);
  box-shadow: var(--shadow);
  display:flex; align-items:center; justify-content:space-between; gap:18px;
}
@media (max-width: 980px){ .cta-band{flex-direction:column; align-items:flex-start} }

.form{
  display:grid; gap:12px;
}
.input{
  width:100%;
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  color: var(--text);
  outline:none;
}
.input::placeholder{color: rgba(255,255,255,.45)}
.form-row{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
@media (max-width: 720px){ .form-row{grid-template-columns:1fr} }

.footer{
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 18px;
}
@media (max-width: 980px){ .footer-grid{grid-template-columns:1fr} }
.small{color: var(--muted-2); font-size: 13px}
.hr{height:1px; background: rgba(255,255,255,.08); margin: 18px 0}