/*!
 * Minimal Bootstrap-compatible subset for Education Eye landing page.
 * Includes only layout, navbar, forms, buttons, collapse, accordion, and spacing utilities used by the site.
 */
:root {
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    --bs-border-radius: 8px;
}

body {
    margin: 0;
    -webkit-text-size-adjust: 100%;
}

h1, h2, h3, p {
    margin-top: 0;
}

button, input, select {
    font: inherit;
}

button {
    cursor: pointer;
}

.container {
    margin-left: auto;
    margin-right: auto;
    padding-left: calc(var(--bs-gutter-x) * .5);
    padding-right: calc(var(--bs-gutter-x) * .5);
    width: 100%;
}

@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--bs-gutter-x) * -.5);
    margin-right: calc(var(--bs-gutter-x) * -.5);
    margin-top: calc(var(--bs-gutter-y) * -1);
}

.row > * {
    flex-shrink: 0;
    margin-top: var(--bs-gutter-y);
    max-width: 100%;
    padding-left: calc(var(--bs-gutter-x) * .5);
    padding-right: calc(var(--bs-gutter-x) * .5);
    width: 100%;
}

.col-12 { flex: 0 0 auto; width: 100%; }

@media (min-width: 768px) {
    .col-md-6 { flex: 0 0 auto; width: 50%; }
}

@media (min-width: 992px) {
    .col-lg-5 { flex: 0 0 auto; width: 41.66666667%; }
    .col-lg-7 { flex: 0 0 auto; width: 58.33333333%; }
}

@media (min-width: 1200px) {
    .col-xl-3 { flex: 0 0 auto; width: 25%; }
}

.g-3 { --bs-gutter-x: 1rem; --bs-gutter-y: 1rem; }
.g-4 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }

@media (min-width: 1200px) {
    .g-xl-5 { --bs-gutter-x: 3rem; --bs-gutter-y: 3rem; }
}

.align-items-center { align-items: center; }
.ms-auto { margin-left: auto; }
.mt-3 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.me-1 { margin-right: .25rem; }
.w-100 { width: 100%; }
.text-start { text-align: left; }

@media (min-width: 992px) {
    .align-items-lg-center { align-items: center; }
    .ms-lg-3 { margin-left: 1rem; }
}

.btn {
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-block;
    font-size: 1rem;
    line-height: 1.5;
    padding: .375rem .75rem;
    text-align: center;
    text-decoration: none;
    transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease, color .15s ease;
    user-select: none;
    vertical-align: middle;
}

.btn-lg {
    font-size: 1.05rem;
    padding: .5rem 1rem;
}

.navbar {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    position: relative;
}

.navbar > .container {
    align-items: center;
    display: flex;
    flex-wrap: inherit;
    justify-content: space-between;
}

.navbar-brand {
    margin-right: 1rem;
    padding-bottom: .3125rem;
    padding-top: .3125rem;
    white-space: nowrap;
}

.navbar-toggler {
    background: transparent;
    border-radius: var(--bs-border-radius);
    padding: .25rem .5rem;
}

.navbar-nav {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin-bottom: 0;
    padding-left: 0;
}

.nav-link {
    display: block;
    padding: .5rem 0;
}

.collapse:not(.show) {
    display: none;
}

.collapsing {
    height: 0;
    overflow: hidden;
    transition: height .2s ease;
}

.navbar-collapse {
    align-items: center;
    flex-basis: 100%;
    flex-grow: 1;
}

@media (min-width: 992px) {
    .navbar-expand-lg {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .navbar-expand-lg .navbar-nav {
        flex-direction: row;
    }

    .navbar-expand-lg .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
    }

    .navbar-expand-lg .navbar-toggler {
        display: none;
    }
}

.form-label {
    display: inline-block;
}

.form-control,
.form-select {
    appearance: none;
    background-clip: padding-box;
    background-color: #fff;
    border: 1px solid #ced4da;
    color: #212529;
    display: block;
    font-size: 1rem;
    line-height: 1.5;
    padding: .375rem .75rem;
    width: 100%;
}

.form-select {
    background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position: calc(100% - 18px) 52%, calc(100% - 12px) 52%;
    background-repeat: no-repeat;
    background-size: 6px 6px, 6px 6px;
    padding-right: 2.25rem;
}

.invalid-feedback {
    color: #dc3545;
    display: none;
    font-size: .875rem;
    margin-top: .25rem;
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
    border-color: #dc3545;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
    display: block;
}

.accordion-item:first-of-type {
    border-top-left-radius: var(--bs-border-radius);
    border-top-right-radius: var(--bs-border-radius);
}

.accordion-header {
    margin-bottom: 0;
}

.accordion-button {
    border: 0;
    display: flex;
    overflow-anchor: none;
    position: relative;
    text-align: left;
    width: 100%;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235f55aa'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    content: "";
    flex-shrink: 0;
    transition: transform .2s ease;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(-180deg);
}

.accordion-collapse {
    transition: height .2s ease;
}