/* ==========================================================
   KI-Kompass – GLAESS Software & Automation GmbH
   Neutral-professionell, seriös, vertriebsstark
   ========================================================== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg:       #ffffff;
    --color-text:     #1a1a1a;
    --color-muted:    #6b7280;
    --color-border:   #e5e7eb;
    --color-accent:   #2563eb;
    --color-accent-dark: #1d4ed8;
    --color-success:  #059669;
    --color-error:    #dc2626;
    --color-warning:  #d97706;
    --color-surface:  #f9fafb;
    --color-dark:     #111827;
    --radius:         6px;
    --shadow:         0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg:      0 10px 25px rgba(0,0,0,0.1);
    --max-width:      960px;
    --font:           -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }
h1 { font-size: 2.2rem; }
h2 { font-size: 1.6rem; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; }

/* --- Header --- */
.site-header {
    background: var(--color-dark);
    color: #fff;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link { display: flex; align-items: center; text-decoration: none; }
.logo { height: 56px; width: auto; }
.logo-fallback { color: #fff; font-weight: 700; font-size: 1.1rem; }

.nav-title {
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* --- Hero --- */
.hero {
    background: var(--color-dark);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 20px;
}

.hero-text {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto 32px;
}

/* --- Sections --- */
.section {
    padding: 60px 0;
}

.section-intro {
    background: var(--color-surface);
    text-align: center;
}

.section-intro p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--color-muted);
    font-size: 1.05rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); text-decoration: none; }
.btn-primary:disabled { background: #94a3b8; cursor: not-allowed; }

.btn-lg { padding: 14px 36px; font-size: 1.05rem; }

.btn-interest {
    background: #fff;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    padding: 8px 20px;
    font-size: 0.9rem;
}
.btn-interest:hover { background: var(--color-accent); color: #fff; }
.btn-interest.active {
    background: var(--color-accent);
    color: #fff;
}
.btn-interest.btn-waitlist {
    border-color: var(--color-warning);
    color: var(--color-warning);
}
.btn-interest.btn-waitlist:hover,
.btn-interest.btn-waitlist.active {
    background: var(--color-warning);
    color: #fff;
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-border); text-decoration: none; }

.btn-sm { padding: 6px 14px; font-size: 0.85rem; }

.btn-danger { background: var(--color-error); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

/* --- Offer Cards --- */
.offer-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.offer-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 24px;
    cursor: pointer;
    transition: background 0.15s;
    gap: 16px;
}
.offer-header:hover { background: var(--color-surface); }

.offer-header-content { flex: 1; }
.offer-header h3 { margin-bottom: 6px; }
.offer-pitch { color: var(--color-muted); font-size: 0.95rem; margin: 0; }

.offer-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.meta-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}
.meta-price {
    background: var(--color-dark);
    color: #fff;
}

.offer-toggle {
    font-size: 1.2rem;
    color: var(--color-muted);
    transition: transform 0.2s;
}
.offer-card.open .offer-toggle { transform: rotate(180deg); }

.offer-body {
    padding: 0 24px 24px;
    border-top: 1px solid var(--color-border);
}

.offer-details {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 16px;
}

.detail-item { font-size: 0.9rem; color: var(--color-muted); }
.detail-item strong { color: var(--color-text); }

.offer-description {
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.offer-action { padding-top: 8px; }

/* --- Events --- */
.event-block {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--color-surface);
    border-radius: var(--radius);
    margin-bottom: 10px;
    gap: 16px;
}

.event-block h4 { font-size: 1rem; margin-bottom: 4px; }
.event-info p { font-size: 0.9rem; color: var(--color-muted); margin: 4px 0; }

.capacity-info { font-size: 0.85rem; font-weight: 600; }
.capacity-available { color: var(--color-success); }
.capacity-full { color: var(--color-error); }

.event-list h4 { margin-bottom: 12px; }

/* --- Interest Cart --- */
.section-cart {
    background: var(--color-accent);
    color: #fff;
    padding: 30px 0;
}
.section-cart h2 { color: #fff; font-size: 1.2rem; margin-bottom: 12px; }

.interest-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.interest-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.2);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.interest-remove {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0 2px;
    line-height: 1;
}
.interest-remove:hover { color: #fff; }

/* --- Form --- */
.section-form { background: var(--color-surface); }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: var(--font);
    background: #fff;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.input-error { border-color: var(--color-error) !important; }

.form-group-full { grid-column: 1 / -1; }

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 400 !important;
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
    flex-shrink: 0;
}
.checkbox-label span { font-size: 0.9rem; }

.required { color: var(--color-error); }

.form-notice { color: var(--color-muted); }
.form-notice small { font-size: 0.82rem; line-height: 1.5; }

.form-actions {
    text-align: center;
    padding-top: 16px;
}

.form-hint {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

/* --- Alerts --- */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 0.95rem;
}
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: var(--color-error); }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: var(--color-success); }
.alert ul { margin-top: 8px; padding-left: 20px; }

/* --- Success Box --- */
.success-section { background: var(--color-surface); }
.success-box {
    background: #fff;
    border: 2px solid var(--color-success);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}
.success-box h2 { color: var(--color-success); margin-bottom: 16px; }
.success-box ul { list-style: none; padding: 0; margin: 16px 0; }
.success-box li { padding: 6px 0; }
.success-box li::before { content: "✓ "; color: var(--color-success); font-weight: 700; }

/* --- Content Pages --- */
.content-page { max-width: 700px; }
.content-page h1 { margin-bottom: 24px; }
.content-page h2 { font-size: 1.2rem; margin-top: 32px; margin-bottom: 12px; }
.content-page p, .content-page ul { margin-bottom: 12px; }
.content-page ul { padding-left: 24px; }

.placeholder-notice {
    background: #fffbeb;
    border: 1px solid #fcd34d;
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 24px;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.7);
    padding: 40px 0 20px;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 20px;
}

.footer-company strong { color: #fff; }
.footer-company a { color: rgba(255,255,255,0.85); }

.footer-links { display: flex; gap: 20px; }
.footer-links a { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: #fff; }

.footer-copy {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .form-grid { grid-template-columns: 1fr; }
    .event-block { flex-direction: column; align-items: flex-start; }
    .offer-header { flex-direction: column; }
    .offer-meta { margin-top: 10px; }
    .footer-content { flex-direction: column; }
    .section { padding: 40px 0; }
    .hero { padding: 50px 0 40px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .container { padding: 0 16px; }
    .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
}