:root {
    --primary: #2563EB;      /* Royal Blue */
    --secondary: #60A5FA;    /* Sky Blue */
    --light: #DBEAFE;        /* Light Blue */
    --bg: #F8FAFC;           /* Soft Off White */
    --card: #FFFFFF;
    --dark: #1E293B;
}

body {
    background: var(--bg);
    color: var(--dark);
    font-family: 'Poppins', sans-serif;
}

/* Navbar */
.navbar-custom {
    background: rgba(219, 234, 254, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.10);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 16px 0;
}

.navbar-brand {
    color: var(--primary) !important;
    font-weight: 700;
}

.nav-link {
    color: var(--dark) !important;
    font-weight: 500;
    margin: 0 12px;
    position: relative;
    transition: 0.3s;
}

.nav-link:hover {
    color: var(--primary) !important;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}
.logo-brand {
   width:250px;
}
/* Hero Section */
.hero {
    background:
        linear-gradient(
            135deg,
            #2563EB,
            #60A5FA
        );

    color: white;
    border-radius: 40px;
    padding: 120px 60px;
    box-shadow:
        0 25px 60px
        rgba(37, 99, 235, 0.25);
}
/* Buttons */
.btn-primary-custom {
    background: var(--primary);
    border: none;
    color: white;
    font-weight: 600;
    border-radius: 50px;
    padding: 14px 32px;

    box-shadow:
        0 10px 25px
        rgba(37,99,235,0.25);

    transition: 0.3s;
}

.btn-primary-custom:hover {
    background: #1D4ED8;
    transform: translateY(-3px);

    box-shadow:
        0 18px 35px
        rgba(37,99,235,0.35);
}
/* Cards */
.custom-card {
    background: var(--card);
    border: none;
    border-radius: 28px;
    padding: 35px;

    box-shadow:
        0 10px 25px rgba(15,23,42,0.06),
        0 20px 50px rgba(37,99,235,0.10);

    transition: all 0.35s ease;
}

.custom-card:hover {
    transform: translateY(-12px);

    box-shadow:
        0 20px 40px rgba(15,23,42,0.10),
        0 35px 70px rgba(37,99,235,0.18);
}
.course-card {
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;

    background:
        linear-gradient(
            90deg,
            #2563EB,
            #60A5FA
        );
}
/* Icon Box */
.icon-box {
    width: 85px;
    height: 85px;
    background: var(--light);
    border-radius: 24px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin: auto;
}

.icon-box i {
    color: var(--primary);
    font-size: 36px;
}
/* Statistics */
.stats-card {
    background: white;
    border-radius: 30px;
    padding: 40px;
    text-align: center;

    box-shadow:
        0 10px 30px rgba(0,0,0,0.05),
        0 20px 50px rgba(37,99,235,0.08);
}

.stats-card h2 {
    color: var(--primary);
    font-size: 3rem;
    font-weight: 700;
}

.stats-card p {
    color: #666;
    margin-bottom: 0;
}

/* Alternate Sections */
.section-light {
    background: #EFF6FF;
    border-radius: 40px;
    padding: 90px 50px;
}

/* CTA Section */
.cta {
    background:
        linear-gradient(
            135deg,
            #2563EB,
            #60A5FA
        );
    color: white;
    border-radius: 35px;
    padding: 90px 50px;
}

/* Footer */
footer {
    background: white;
    border-top: 1px solid #f0e5d2;
}