:root{ --brand-blue:#1976D2; --brand-dark:#0D47A1; --accent-orange:#FB8C00; --accent-red:#E53935; --bg:#ffffff; --muted:#6c757d; }
*{box-sizing:border-box} body{font-family:'Poppins', Arial, sans-serif; background:var(--bg); color:#222; margin:0;} a{transition:all .18s ease; text-decoration:none;} .navbar-brand img{height:48px; margin-right:12px;} .slider-img{height:75vh; object-fit:cover; filter:brightness(0.45);} .carousel-caption h1{color:white; text-shadow:0 4px 14px rgba(0,0,0,0.45);} .display-6{font-size:2.2rem;} .feature-card{background:white; border:0;} .icon-circle{width:56px;height:56px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;} .btn-primary{background:var(--brand-blue);border-color:var(--brand-blue)} .btn-warning{background:var(--accent-orange);border-color:var(--accent-orange)} .btn-danger{background:var(--accent-red);border-color:var(--accent-red)} .teacher-photo, .team-card img{object-fit:cover;} .page-header{padding:30px 0 10px; margin-bottom:10px} @media(max-width:768px){ .slider-img{height:45vh} .carousel-caption{left:15px; right:15px; text-align:left} }