/* =======================================================
   Vidya Vikas Education - Custom Styles
   ======================================================= */

:root {
    --vidya-primary: #0d3b66;
    --vidya-primary-dark: #092a49;
    --vidya-accent: #f4a300;
    --vidya-light: #f7f9fc;
    --vidya-gray: #6c757d;
}

body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    color: #222;
    scroll-behavior: smooth;
}

/* ---------- Navbar ---------- */
.navbar-brand img {
    height: 36px;
    margin-right: 8px;
}

.navbar-vidya {
    background-color: var(--vidya-primary);
}

.navbar-vidya .nav-link {
    color: #e9eef5;
    font-weight: 500;
}

.navbar-vidya .nav-link:hover,
.navbar-vidya .nav-link.active {
    color: var(--vidya-accent);
}

.btn-accent {
    background-color: var(--vidya-accent);
    border-color: var(--vidya-accent);
    color: #1a1a1a;
    font-weight: 600;
}

.btn-accent:hover {
    background-color: #d98e00;
    border-color: #d98e00;
    color: #fff;
}

.btn-outline-accent {
    border-color: var(--vidya-accent);
    color: var(--vidya-accent);
    font-weight: 600;
}

.btn-outline-accent:hover {
    background-color: var(--vidya-accent);
    color: #1a1a1a;
}

/* ---------- Hero ---------- */
.hero-section {
    background: linear-gradient(135deg, var(--vidya-primary) 0%, var(--vidya-primary-dark) 100%);
    color: #fff;
    padding: 120px 0 90px;
}

.hero-section h1 {
    font-weight: 700;
    font-size: 2.75rem;
}

.hero-section p.lead {
    color: #d6e0ee;
}

.hero-banner-wrap {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    animation: heroFloat 4s ease-in-out infinite;
}

.hero-banner-wrap img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.25));
}

.hero-fade-up {
    animation: fadeInUp 0.9s ease both;
}

.hero-fade-up.delay-1 {
    animation-delay: 0.15s;
}

.hero-fade-up.delay-2 {
    animation-delay: 0.3s;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-banner-wrap img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
}

/* ---------- Section spacing ---------- */
.section-padding {
    padding: 80px 0;
}

.section-title {
    font-weight: 700;
    color: var(--vidya-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--vidya-gray);
    margin-bottom: 3rem;
}

.bg-light-vidya {
    background-color: var(--vidya-light);
}

/* ---------- Icon boxes (About / Courses) ---------- */
.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 0.75rem;
    background-color: rgba(13, 59, 102, 0.1);
    color: var(--vidya-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.feature-card,
.course-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
}

.feature-card:hover,
.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
}

.course-card .card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* ---------- Testimonials ---------- */
.testimonial-card {
    border: none;
    border-radius: 0.75rem;
    background-color: #fff;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--vidya-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

/* ---------- Auth forms (login/register) ---------- */
.auth-wrapper {
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
    padding: 60px 0;
    background-color: var(--vidya-light);
}

.auth-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.auth-card .auth-side {
    background: linear-gradient(135deg, var(--vidya-primary) 0%, var(--vidya-primary-dark) 100%);
    color: #fff;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ---------- Footer ---------- */
.footer-vidya {
    background-color: var(--vidya-primary-dark);
    color: #cdd6e2;
    padding: 50px 0 20px;
}

.footer-vidya h5 {
    color: #fff;
}

.footer-vidya a {
    color: #cdd6e2;
    text-decoration: none;
}

.footer-vidya a:hover {
    color: var(--vidya-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1.25rem;
    font-size: 0.875rem;
    text-align: center;
}

/* ---------- Admin panel ---------- */
.admin-sidebar {
    min-height: 100vh;
    background-color: var(--vidya-primary-dark);
    color: #d6e0ee;
}

.admin-sidebar .brand {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-weight: 700;
}

.admin-sidebar .nav-link {
    color: #d6e0ee;
    padding: 0.65rem 1.25rem;
    border-radius: 0.5rem;
    margin: 0.15rem 0.6rem;
}

.admin-sidebar .nav-link i {
    width: 22px;
    display: inline-block;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--vidya-accent);
}

.admin-topbar {
    background-color: #fff;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
    padding: 0.85rem 1.5rem;
}

.admin-main {
    background-color: var(--vidya-light);
    min-height: 100vh;
}

.stat-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.stat-card .stat-icon {
    width: 54px;
    height: 54px;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}

@media (max-width: 991.98px) {
    .admin-sidebar {
        min-height: auto;
    }
}