/* ===========================================================
   Schulwirken – Landing Page Stylesheet
   =========================================================== */

/* 0  Reset & Base
   ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; font-size: 16px; }
body  {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color:       var(--text);
    background:  var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img   { max-width: 100%; display: block; }
a     { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul    { list-style: none; }

/* 1  Custom Properties
   ----------------------------------------------------------- */
:root {
    --primary:       #2563EB;
    --primary-dark:  #1D4ED8;
    --primary-light: #EFF6FF;
    --text:          #1E293B;
    --muted:         #64748B;
    --border:        #E2E8F0;
    --bg:            #FFFFFF;
    --bg-alt:        #F8FAFC;
    --success:       #16A34A;
    --error:         #DC2626;
    --radius:        0.5rem;
    --radius-lg:     1rem;
    --shadow:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --shadow-lg:     0 10px 25px -5px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --nav-h:         4rem;
}

/* 2  Typography
   ----------------------------------------------------------- */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.125rem; }
p  { color: var(--muted); }

/* 3  Layout Utilities
   ----------------------------------------------------------- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section   { padding: 5rem 0; }
.section--alt { background: var(--bg-alt); }
.text-center { text-align: center; }

.section-label {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .25rem .75rem;
    border-radius: 2rem;
    margin-bottom: 1rem;
}
.section-title { margin-bottom: .75rem; }
.section-intro { font-size: 1.125rem; max-width: 600px; margin: 0 auto 3rem; }

/* 4  Buttons
   ----------------------------------------------------------- */
.btn {
    display:        inline-flex;
    align-items:    center;
    gap:            .5rem;
    padding:        .75rem 1.75rem;
    border-radius:  var(--radius);
    font-weight:    600;
    font-size:      1rem;
    cursor:         pointer;
    border:         2px solid transparent;
    transition:     background .15s, border-color .15s, color .15s, box-shadow .15s;
    white-space:    nowrap;
    text-decoration: none;
}
.btn--primary {
    background: var(--primary);
    color: #fff;
}
.btn--primary:hover {
    background: var(--primary-dark);
    text-decoration: none;
}
.btn--outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn--outline:hover {
    background: var(--primary-light);
    text-decoration: none;
}
.btn--large { padding: .9rem 2.25rem; font-size: 1.0625rem; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* 5  Navigation
   ----------------------------------------------------------- */
.navbar {
    position:   sticky;
    top:        0;
    z-index:    100;
    height:     var(--nav-h);
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.navbar__inner {
    display:        flex;
    align-items:    center;
    justify-content: space-between;
    height:         100%;
}
.navbar__logo {
    font-size:   1.25rem;
    font-weight: 800;
    color:       var(--text);
    letter-spacing: -.02em;
}
.navbar__logo span { color: var(--primary); }
.navbar__menu {
    display:     flex;
    align-items: center;
    gap:         2rem;
}
.navbar__menu a {
    font-size:   .9375rem;
    font-weight: 500;
    color:       var(--muted);
    transition:  color .15s;
}
.navbar__menu a:hover { color: var(--text); text-decoration: none; }
.navbar__menu a.btn--primary       { color: #fff; }
.navbar__menu a.btn--primary:hover { color: #fff; }
.navbar__toggle {
    display:    none;
    background: none;
    border:     none;
    cursor:     pointer;
    padding:    .5rem;
}
.navbar__toggle span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .2s, opacity .2s;
}
.navbar__toggle span + span { margin-top: 5px; }

/* 6  Hero
   ----------------------------------------------------------- */
.hero {
    padding:    5rem 0 6rem;
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg) 100%);
    text-align: center;
}
.hero__badge {
    display:        inline-flex;
    align-items:    center;
    gap:            .4rem;
    background:     var(--bg);
    border:         1px solid var(--border);
    border-radius:  2rem;
    padding:        .35rem 1rem;
    font-size:      .8125rem;
    font-weight:    500;
    color:          var(--muted);
    margin-bottom:  1.5rem;
    box-shadow:     var(--shadow);
}
.hero__badge strong { color: var(--primary); }
.hero h1 { margin-bottom: 1.25rem; max-width: 800px; margin-left: auto; margin-right: auto; }
.hero p   { font-size: 1.1875rem; max-width: 600px; margin: 0 auto 2.5rem; }
.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero__sub {
    margin-top:  2.5rem;
    font-size:   .875rem;
    color:       var(--muted);
}
.hero__sub strong { color: var(--text); }

/* 7  Feature Grid
   ----------------------------------------------------------- */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    background:    var(--bg);
    border:        1px solid var(--border);
    border-radius: var(--radius-lg);
    padding:       2rem;
    box-shadow:    var(--shadow);
    transition:    box-shadow .2s, transform .2s;
}
.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform:  translateY(-2px);
}
.feature-card__icon {
    width:         2.75rem;
    height:        2.75rem;
    background:    var(--primary-light);
    border-radius: var(--radius);
    display:       flex;
    align-items:   center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size:     1.25rem;
}
.feature-card h3 { margin-bottom: .5rem; }

/* 8  Pricing Cards
   ----------------------------------------------------------- */
.pricing__grid {
    display:   grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap:       1.5rem;
    align-items: start;
}
.plan-card {
    background:    var(--bg);
    border:        1px solid var(--border);
    border-radius: var(--radius-lg);
    padding:       2rem;
    box-shadow:    var(--shadow);
}
.plan-card--featured {
    border-color: var(--primary);
    box-shadow:   0 0 0 3px var(--primary-light), var(--shadow-lg);
    position:     relative;
}
.plan-card__badge {
    position:    absolute;
    top:         -0.75rem;
    left:        50%;
    transform:   translateX(-50%);
    background:  var(--primary);
    color:       #fff;
    font-size:   .75rem;
    font-weight: 700;
    padding:     .2rem .9rem;
    border-radius: 2rem;
    white-space: nowrap;
}
.plan-card__name  { font-size: 1rem; font-weight: 600; color: var(--muted); margin-bottom: .5rem; }
.plan-card__price {
    font-size:   2.5rem;
    font-weight: 800;
    color:       var(--text);
    line-height: 1;
    margin-bottom: .25rem;
}
.plan-card__price small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan-card__desc  { font-size: .9375rem; margin-bottom: 1.75rem; }
.plan-card__features { margin-bottom: 2rem; }
.plan-card__features li {
    display:    flex;
    align-items: flex-start;
    gap:        .6rem;
    padding:    .45rem 0;
    font-size:  .9375rem;
    color:      var(--text);
    border-bottom: 1px solid var(--border);
}
.plan-card__features li:last-child { border-bottom: none; }
.check {
    color:       var(--success);
    font-weight: 700;
    flex-shrink: 0;
    margin-top:  .05rem;
}
.plan-card .btn { width: 100%; justify-content: center; }

/* 9  FAQ
   ----------------------------------------------------------- */
.faq__list { max-width: 720px; margin: 0 auto; }
details {
    border:         1px solid var(--border);
    border-radius:  var(--radius);
    margin-bottom:  .75rem;
    background:     var(--bg);
    overflow:       hidden;
}
details[open] { box-shadow: var(--shadow); }
summary {
    padding:        1.125rem 1.5rem;
    font-weight:    600;
    font-size:      1rem;
    color:          var(--text);
    cursor:         pointer;
    list-style:     none;
    display:        flex;
    justify-content: space-between;
    align-items:    center;
    gap:            1rem;
    user-select:    none;
}
summary::-webkit-details-marker { display: none; }
summary::after {
    content:        "+";
    font-size:      1.25rem;
    color:          var(--primary);
    font-weight:    400;
    flex-shrink:    0;
    transition:     transform .2s;
}
details[open] summary::after { content: "\2212"; }
.faq__answer {
    padding:     0 1.5rem 1.25rem;
    font-size:   .9375rem;
    color:       var(--muted);
}

/* 10  Trial Form
    ---------------------------------------------------------- */
.trial-card {
    background:    var(--bg);
    border:        1px solid var(--border);
    border-radius: var(--radius-lg);
    padding:       2.5rem;
    box-shadow:    var(--shadow-lg);
    max-width:     540px;
    margin:        0 auto;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display:      block;
    font-size:    .875rem;
    font-weight:  600;
    color:        var(--text);
    margin-bottom: .4rem;
}
.form-group input {
    width:         100%;
    padding:       .6875rem 1rem;
    border:        1px solid var(--border);
    border-radius: var(--radius);
    font-size:     1rem;
    color:         var(--text);
    background:    var(--bg);
    transition:    border-color .15s, box-shadow .15s;
}
.form-group input:focus {
    outline:       none;
    border-color:  var(--primary);
    box-shadow:    0 0 0 3px var(--primary-light);
}
.form-group input:read-only {
    background:    var(--bg-alt);
    color:         var(--muted);
}
.form-group .hint {
    font-size:    .8125rem;
    color:        var(--muted);
    margin-top:   .35rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-submit { margin-top: 1.75rem; }
.form-submit .btn { width: 100%; justify-content: center; }

.alert {
    padding:       1rem 1.25rem;
    border-radius: var(--radius);
    font-size:     .9375rem;
    margin-bottom: 1.25rem;
    display:       none;
}
.alert--success {
    background:   #F0FDF4;
    border:       1px solid #BBF7D0;
    color:        var(--success);
}
.alert--error {
    background:   #FEF2F2;
    border:       1px solid #FECACA;
    color:        var(--error);
}

.subdomain-preview {
    display:       flex;
    align-items:   center;
    gap:           0;
    border:        1px solid var(--border);
    border-radius: var(--radius);
    overflow:      hidden;
}
.subdomain-preview__suffix {
    background:    var(--bg-alt);
    padding:       .6875rem .875rem;
    font-size:     .9375rem;
    color:         var(--muted);
    border-left:   1px solid var(--border);
    white-space:   nowrap;
}
.subdomain-preview input {
    border:        none;
    border-radius: 0;
    flex:          1;
}
.subdomain-preview input:focus { box-shadow: none; }
.subdomain-preview:focus-within {
    border-color: var(--primary);
    box-shadow:   0 0 0 3px var(--primary-light);
}

/* 11  Docs
    ---------------------------------------------------------- */
.docs-layout { display: grid; grid-template-columns: 220px 1fr; gap: 3rem; align-items: start; }
.docs-toc { position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.docs-toc__title { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .75rem; }
.docs-toc a { display: block; font-size: .875rem; color: var(--muted); padding: .3rem 0; border-left: 2px solid transparent; padding-left: .75rem; transition: color .15s, border-color .15s; }
.docs-toc a:hover, .docs-toc a.active { color: var(--primary); border-left-color: var(--primary); text-decoration: none; }

.docs-content h2 { margin-top: 2.5rem; margin-bottom: 1rem; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.docs-content h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.docs-content h3 { margin-top: 1.75rem; margin-bottom: .75rem; }
.docs-content p  { margin-bottom: 1rem; }
.docs-content ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.docs-content ul li { color: var(--muted); font-size: .9375rem; padding: .2rem 0; }
.docs-content pre {
    background:    #0F172A;
    color:         #E2E8F0;
    border-radius: var(--radius);
    padding:       1.25rem 1.5rem;
    overflow-x:    auto;
    font-size:     .875rem;
    line-height:   1.7;
    margin-bottom: 1.25rem;
}
.docs-content code {
    font-family: 'Cascadia Code', 'Consolas', 'Menlo', monospace;
}
.docs-content :not(pre) > code {
    background:    var(--bg-alt);
    border:        1px solid var(--border);
    border-radius: .25rem;
    padding:       .1em .4em;
    font-size:     .875em;
    color:         var(--primary);
}
.docs-step {
    display:       flex;
    gap:           1rem;
    margin-bottom: 1.5rem;
    align-items:   flex-start;
}
.docs-step__num {
    width:         1.75rem;
    height:        1.75rem;
    background:    var(--primary);
    color:         #fff;
    border-radius: 50%;
    display:       flex;
    align-items:   center;
    justify-content: center;
    font-size:     .8125rem;
    font-weight:   700;
    flex-shrink:   0;
    margin-top:    .15rem;
}
.docs-step__body h3 { margin-top: 0; }

/* 12  Footer
    ---------------------------------------------------------- */
.footer {
    background:    #0F172A;
    color:         #94A3B8;
    padding:       3rem 0 2rem;
}
.footer__grid {
    display:       grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap:           2.5rem;
    margin-bottom: 2.5rem;
}
.footer__brand p { font-size: .875rem; margin-top: .5rem; max-width: 240px; }
.footer__logo {
    font-size:   1.125rem;
    font-weight: 800;
    color:       #F1F5F9;
    letter-spacing: -.02em;
}
.footer__logo span { color: var(--primary); }
.footer__col-title { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #CBD5E1; margin-bottom: .75rem; }
.footer__links a { display: block; font-size: .875rem; color: #64748B; padding: .3rem 0; transition: color .15s; }
.footer__links a:hover { color: #F1F5F9; text-decoration: none; }
.footer__bottom {
    border-top:  1px solid #1E293B;
    padding-top: 1.5rem;
    display:     flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap:   wrap;
    gap:         1rem;
    font-size:   .8125rem;
}

/* 13  Maintenance Page
    ---------------------------------------------------------- */
.maintenance-page {
    min-height:     100vh;
    display:        flex;
    flex-direction: column;
    align-items:    center;
    justify-content: center;
    text-align:     center;
    padding:        2rem;
    background:     linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}
.maintenance-page__logo {
    font-size:   2rem;
    font-weight: 800;
    color:       #F1F5F9;
    letter-spacing: -.03em;
    margin-bottom: 2rem;
}
.maintenance-page__logo span { color: var(--primary); }
.maintenance-page__icon {
    font-size:   3.5rem;
    margin-bottom: 1.5rem;
}
.maintenance-page h1 {
    color:       #F1F5F9;
    font-size:   clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}
.maintenance-page p {
    color:       #94A3B8;
    font-size:   1.0625rem;
    max-width:   480px;
    margin-bottom: .75rem;
}
.maintenance-page__contact {
    margin-top:  2rem;
    font-size:   .9375rem;
    color:       #64748B;
}
.maintenance-page__contact a { color: #93C5FD; }

/* 14  Misc
    ---------------------------------------------------------- */
.tag {
    display:        inline-block;
    background:     var(--bg-alt);
    border:         1px solid var(--border);
    border-radius:  2rem;
    padding:        .2rem .75rem;
    font-size:      .8125rem;
    font-weight:    500;
    color:          var(--muted);
}

/* 15  Responsive
    ---------------------------------------------------------- */
@media (max-width: 768px) {
    .navbar__menu {
        display:        none;
        flex-direction: column;
        align-items:    flex-start;
        gap:            0;
        position:       absolute;
        top:            var(--nav-h);
        left:           0; right: 0;
        background:     var(--bg);
        border-bottom:  1px solid var(--border);
        padding:        1rem 1.5rem;
        box-shadow:     var(--shadow-lg);
    }
    .navbar__menu.open { display: flex; }
    .navbar__menu a { padding: .65rem 0; width: 100%; border-bottom: 1px solid var(--border); }
    .navbar__menu a:last-child { border-bottom: none; }
    .navbar__menu .btn { margin-top: .75rem; width: 100%; justify-content: center; }
    .navbar__toggle { display: flex; flex-direction: column; justify-content: center; }
    .navbar { position: relative; }

    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }

    .docs-layout { grid-template-columns: 1fr; }
    .docs-toc    { display: none; }

    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .footer__grid { grid-template-columns: 1fr; }
    .hero__actions { flex-direction: column; align-items: center; }
}