/**
 * ACINET – Modernes Stylesheet
 * 
 * @version 2.0.0
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Farben */
    --primary: #1a4b8c;
    --primary-dark: #15407a;
    --primary-light: #2563eb;
    --secondary: #64748b;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Neutrals */
    --dark: #1e293b;
    --gray-900: #0f172a;
    --gray-800: #1e293b;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    --white: #ffffff;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   Base Styles
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
    font-size: 0.875rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.top-bar a:hover {
    opacity: 0.9;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.navbar-brand img {
    transition: transform var(--transition-fast);
}

.navbar-brand:hover img {
    transform: scale(1.02);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
    background-color: var(--gray-100);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background-image: linear-gradient(135deg, rgba(26, 75, 140, 0.95) 0%, rgba(21, 64, 122, 0.97) 100%), url("../img/core-img/welcome-bg2.jpg");
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Pricing Cards
   ============================================ */
.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Beliebt';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-card .title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.pricing-card .price small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-500);
}

.pricing-card .features {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
    text-align: left;
    flex-grow: 1;
}

.pricing-card .features li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
}

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

.pricing-card .features li i {
    color: var(--success);
    margin-right: var(--spacing-sm);
    width: 20px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline-primary:hover {
    transform: translateY(-1px);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ============================================
   Section Styling
   ============================================ */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    color: var(--gray-500);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-alt {
    background-color: var(--gray-50);
}

/* ============================================
   Features Grid
   ============================================ */
.feature-box {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-box:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.feature-box .icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.feature-box .icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-box h4 {
    margin-bottom: var(--spacing-sm);
}

.feature-box p {
    color: var(--gray-500);
    margin-bottom: 0;
}

/* ============================================
   Domain Search
   ============================================ */
.domain-search {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
}

.domain-search .input-group {
    max-width: 600px;
    margin: 0 auto;
}

.domain-search input {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.125rem;
    border: 2px solid var(--gray-300);
    border-right: none;
}

.domain-search input:focus {
    border-color: var(--primary);
    box-shadow: none;
}

.domain-search .btn {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--spacing-md) var(--spacing-xl);
}

.tld-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.tld-badge {
    background: var(--gray-100);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.tld-badge:hover {
    background: var(--primary);
    color: var(--white);
}

/* ============================================
   Trust Section
   ============================================ */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.trust-badge {
    text-align: center;
    color: var(--gray-500);
}

.trust-badge i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    color: #e0e0e0;
    background: linear-gradient(135deg, #1a4b8c 0%, #0d3a6e 100%);
}

.footer h5 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

/* ============================================
   Back to Top Button
   ============================================ */
.btn-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.btn-back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.btn-back-to-top:hover {
    transform: translateY(-3px);
}

/* ============================================
   Forms
   ============================================ */
.form-control {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   Cart / Checkout
   ============================================ */
.cart-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item .item-info {
    flex-grow: 1;
}

.cart-item .item-price {
    font-weight: 600;
    color: var(--primary);
}

.cart-summary {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.cart-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    border-radius: var(--radius-md);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #166534;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    color: #0e7490;
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb-section {
    background: var(--gray-100);
    padding: var(--spacing-lg) 0;
}

.breadcrumb {
    margin-bottom: 0;
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--gray-600);
}

.breadcrumb-item.active {
    color: var(--primary);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991.98px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 767.98px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .pricing-card .price {
        font-size: 2rem;
    }
    
    .btn-back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Staggered animation delays */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .top-bar,
    .navbar,
    .footer,
    .btn-back-to-top {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
    }
    
    a {
        text-decoration: underline;
    }
}

/* Footer Logo weiß färben */
.footer img[alt="acinet.de"] {
    filter: brightness(0) invert(1);
}