/* ===========================
   Proxmox Corporate Design
   Professionelle Business-Webseite
   =========================== */

:root {
    --proxmox-orange: #E57000;
    --proxmox-orange-dark: #C46100;
    --proxmox-dark: #1a1a1a;
    --proxmox-gray: #6c757d;
    --proxmox-light-gray: #f8f9fa;
    --border-color: #dee2e6;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

/* ===========================
   Global Styles
   =========================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #2c3e50;
    line-height: 1.6;
    font-size: 16px;
}

.text-proxmox {
    color: var(--proxmox-orange) !important;
}

.bg-proxmox {
    background-color: var(--proxmox-orange) !important;
}

.btn-proxmox {
    background-color: var(--proxmox-orange);
    border-color: var(--proxmox-orange);
    color: white;
    font-weight: 500;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.btn-proxmox:hover {
    background-color: var(--proxmox-orange-dark);
    border-color: var(--proxmox-orange-dark);
    color: white;
}

.btn-outline-proxmox {
    background-color: transparent;
    border: 2px solid var(--proxmox-orange);
    color: var(--proxmox-orange);
    font-weight: 500;
}

.btn-outline-proxmox:hover {
    background-color: var(--proxmox-orange);
    border-color: var(--proxmox-orange);
    color: white;
}

.btn-outline-proxmox:focus {
    box-shadow: 0 0 0 0.25rem rgba(226, 118, 39, 0.25);
}

.hover-proxmox:hover {
    color: var(--proxmox-orange) !important;
    transition: color 0.3s ease;
}

/* ===========================
   Navigation
   =========================== */

.navbar {
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
}

.nav-link.active {
    color: var(--proxmox-orange) !important;
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 80px 0;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p.lead {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero {
        padding: 50px 0;
    }
}

/* ===========================
   Service Cards / Kacheln
   =========================== */

.service-card {
    background: white;
    border-radius: 6px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.service-card-buttons {
    margin-top: auto;
    padding-top: 0.5rem;
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--proxmox-orange);
}

.service-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--proxmox-orange) 0%, var(--proxmox-orange-dark) 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--proxmox-dark);
}

.service-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--proxmox-dark);
}

.service-card p {
    color: var(--proxmox-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ===========================
   Pricing Cards / Preis-Kacheln
   =========================== */

.pricing-card {
    background: white;
    border-radius: 6px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 100%;
    border: 2px solid var(--border-color);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--proxmox-orange);
}

.pricing-card.featured {
    border-color: var(--proxmox-orange);
    border-width: 2px;
    box-shadow: var(--shadow-md);
}

.pricing-card.featured::before {
    content: 'Empfohlen';
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--proxmox-orange);
    color: white;
    padding: 4px 16px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--proxmox-dark);
    margin-bottom: 0.5rem;
}

.pricing-card-subtitle {
    color: var(--proxmox-gray);
    font-size: 0.95rem;
}

.pricing-card-price {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--proxmox-orange);
    margin-bottom: 0.25rem;
}

.pricing-card-price small {
    font-size: 1rem;
    color: var(--proxmox-gray);
    font-weight: 400;
}

.pricing-card-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-card-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    color: #555;
}

.pricing-card-features li:last-child {
    border-bottom: none;
}

.pricing-card-features li::before {
    content: '✓';
    color: var(--proxmox-orange);
    font-weight: bold;
    margin-right: 0.75rem;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.pricing-card-features li.disabled {
    color: #ccc;
}

.pricing-card-features li.disabled::before {
    content: '—';
    color: #ccc;
}

/* ===========================
   Sections
   =========================== */

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--proxmox-dark);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--proxmox-gray);
    margin-bottom: 3rem;
}

.section-bg-light {
    background-color: var(--proxmox-light-gray);
}

@media (max-width: 768px) {
    .section {
        padding: 50px 0;
    }
    .section-title {
        font-size: 1.75rem;
    }
}

/* ===========================
   Feature Lists
   =========================== */

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: #555;
}

.feature-list li::before {
    content: '▸';
    color: var(--proxmox-orange);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* ===========================
   Alert / Info Boxes
   =========================== */

.alert-proxmox {
    background-color: #fff8f0;
    border-left: 4px solid var(--proxmox-orange);
    color: #333;
    padding: 1.5rem;
    border-radius: 4px;
}

/* ===========================
   Target Audience Switch
   =========================== */

.audience-switch {
    background: var(--proxmox-light-gray);
    padding: 1.5rem;
    border-radius: 6px;
    margin: 2rem 0;
    border-left: 4px solid var(--proxmox-orange);
}

.audience-switch h4 {
    color: var(--proxmox-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.audience-switch p {
    margin-bottom: 1rem;
    color: var(--proxmox-gray);
}

/* ===========================
   Contact Form
   =========================== */

.form-control:focus,
.form-select:focus {
    border-color: var(--proxmox-orange);
    box-shadow: 0 0 0 0.2rem rgba(229, 112, 0, 0.15);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--proxmox-dark);
}

/* ===========================
   Accordion
   =========================== */

.accordion-button:not(.collapsed) {
    background-color: #fff8f0;
    color: var(--proxmox-orange);
}

.accordion-button:focus {
    border-color: var(--proxmox-orange);
    box-shadow: 0 0 0 0.2rem rgba(229, 112, 0, 0.15);
}

/* ===========================
   Tables
   =========================== */

.table {
    border: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

/* ===========================
   Badges
   =========================== */

.badge {
    font-weight: 500;
    padding: 0.35rem 0.75rem;
}

/* ===========================
   Responsive Grid
   =========================== */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Buttons
   =========================== */

.btn {
    font-weight: 500;
    padding: 0.625rem 1.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline-dark:hover {
    background-color: var(--proxmox-dark);
    border-color: var(--proxmox-dark);
}

/* ===========================
   Utilities
   =========================== */

.shadow-proxmox {
    box-shadow: 0 4px 12px rgba(229, 112, 0, 0.15);
}

.border-proxmox {
    border-color: var(--proxmox-orange) !important;
}