/**
 * Dark Page B2B Landing Page Styles
 * Mobile-First Responsive Design
 * Dark Theme mit Accent-Colors
 */

/* ───────────────────────────────────────────────────────────────────────────── */
/* 1. CSS VARIABLES (Design-System) */
/* ───────────────────────────────────────────────────────────────────────────── */

:root {
    /* Colors */
    --color-bg-dark: #0f1419;
    --color-bg-secondary: #1a1f2e;
    --color-bg-tertiary: #25293a;
    --color-text-primary: #e8eaed;
    --color-text-secondary: #b3b6ba;
    --color-accent: #0099ff;
    --color-accent-dark: #0073cc;
    --color-accent-light: #33b1ff;
    --color-success: #4caf50;
    --color-warning: #ff9800;
    --color-error: #f44336;
    --color-border: #404854;

    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --font-family-mono: 'Courier New', Courier, monospace;

    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-body: 1rem;
    --font-size-small: 0.875rem;

    --line-height-tight: 1.2;
    --line-height-normal: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Breakpoints */
    --bp-mobile: 480px;
    --bp-tablet: 768px;
    --bp-desktop: 1024px;
    --bp-wide: 1440px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* Dark Mode (bereits gesetzt) */
body.dark-page-b2b {
    --color-bg-dark: #0f1419;
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 2. RESET & BASE STYLES */
/* ───────────────────────────────────────────────────────────────────────────── */

html.dark-page-active,
body.dark-page-active,
body.dark-page-b2b {
    margin: 0;
    padding: 0;
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-body);
    line-height: var(--line-height-normal);
    overflow-x: hidden;
}

body.dark-page-b2b * {
    box-sizing: border-box;
}

body.dark-page-b2b h1,
body.dark-page-b2b h2,
body.dark-page-b2b h3,
body.dark-page-b2b h4,
body.dark-page-b2b h5,
body.dark-page-b2b h6 {
    line-height: var(--line-height-tight);
    font-weight: 700;
    margin: 0;
    color: var(--color-text-primary);
}

body.dark-page-b2b p {
    margin: 0;
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 3. HERO SECTION */
/* ───────────────────────────────────────────────────────────────────────────── */

.ifa-b2b-landingpage .hero {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-secondary) 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.ifa-b2b-landingpage .hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 153, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.ifa-b2b-landingpage .hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

/* Mobile: Stack */
@media (max-width: 767px) {
    .ifa-b2b-landingpage .hero {
        padding: var(--spacing-xl) var(--spacing-md);
        min-height: auto;
    }

    .ifa-b2b-landingpage .hero-inner {
        gap: var(--spacing-lg);
    }
}

/* Tablet+: 2 Spalten */
@media (min-width: 768px) {
    .ifa-b2b-landingpage .hero-inner {
        grid-template-columns: 1fr 1fr;
    }
}

/* Hero Content */
.ifa-b2b-landingpage .hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.ifa-b2b-landingpage .hero-title {
    font-size: var(--font-size-h1);
    margin: 0;
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .hero-title {
        font-size: 1.75rem;
    }
}

.ifa-b2b-landingpage .hero-title .highlight {
    color: var(--color-accent);
    display: block;
}

.ifa-b2b-landingpage .hero-claim {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin: 0;
    max-width: 500px;
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .hero-claim {
        font-size: 1rem;
    }
}

/* Hero CTAs */
.ifa-b2b-landingpage .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .hero-ctas {
        flex-direction: column;
    }
}

/* Hero Badge */
.ifa-b2b-landingpage .hero-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-lg);
}

.ifa-b2b-landingpage .badge-icon {
    font-size: 1.25rem;
}

/* Hero Visual (SVG Illustration) */
.ifa-b2b-landingpage .hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .hero-visual {
        display: none;
    }
}

.ifa-b2b-landingpage .hero-illustration {
    width: 100%;
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 153, 255, 0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 4. STATS BAR SECTION */
/* ───────────────────────────────────────────────────────────────────────────── */

.ifa-b2b-landingpage .stats-bar {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.ifa-b2b-landingpage .stats-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .stats-inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
}

.ifa-b2b-landingpage .stat-item {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.ifa-b2b-landingpage .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .stat-number {
        font-size: 1.5rem;
    }
}

.ifa-b2b-landingpage .stat-label {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 5. FEATURES SECTION */
/* ───────────────────────────────────────────────────────────────────────────── */

.ifa-b2b-landingpage .features {
    background: var(--color-bg-dark);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.ifa-b2b-landingpage .features-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.ifa-b2b-landingpage .section-title {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xl);
    }
}

.ifa-b2b-landingpage .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

.ifa-b2b-landingpage .feature-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.ifa-b2b-landingpage .feature-card:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-tertiary);
    box-shadow: 0 0 20px rgba(0, 153, 255, 0.1);
}

.ifa-b2b-landingpage .feature-icon {
    font-size: 2rem;
    line-height: 1;
}

.ifa-b2b-landingpage .feature-card h3 {
    font-size: var(--font-size-h3);
    margin: 0;
}

.ifa-b2b-landingpage .feature-card p {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin: 0;
    flex-grow: 1;
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 6. CTA SECTION */
/* ───────────────────────────────────────────────────────────────────────────── */

.ifa-b2b-landingpage .cta-section {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
}

.ifa-b2b-landingpage .cta-inner {
    max-width: 800px;
    margin: 0 auto;
}

.ifa-b2b-landingpage .cta-section h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
    color: white;
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .cta-section h2 {
        font-size: 1.5rem;
    }
}

.ifa-b2b-landingpage .cta-section p {
    font-size: var(--font-size-body);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 7. BUTTON STYLES */
/* ───────────────────────────────────────────────────────────────────────────── */

.ifa-b2b-landingpage .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 6px;
    font-size: var(--font-size-body);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

/* Primary Button */
.ifa-b2b-landingpage .btn-primary {
    background: var(--color-accent);
    color: white;
}

.ifa-b2b-landingpage .btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.ifa-b2b-landingpage .btn-primary:active {
    transform: translateY(0);
}

/* Secondary Button */
.ifa-b2b-landingpage .btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.ifa-b2b-landingpage .btn-secondary:hover {
    background: var(--color-accent);
    color: white;
}

/* Large Button (CTA Section) */
.ifa-b2b-landingpage .btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

@media (max-width: 767px) {
    .ifa-b2b-landingpage .btn-large {
        width: 100%;
    }
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 8. RESPONSIVE & MOBILE OPTIMIZATIONS */
/* ───────────────────────────────────────────────────────────────────────────── */

/* Mobile-specific adjustments */
@media (max-width: 480px) {
    :root {
        --font-size-h1: 1.75rem;
        --font-size-h2: 1.5rem;
        --font-size-body: 0.95rem;
        --spacing-2xl: 2rem;
        --spacing-xl: 1.5rem;
    }

    .ifa-b2b-landingpage .hero {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .ifa-b2b-landingpage .features {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .ifa-b2b-landingpage .cta-section {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
}

/* Tablet optimizations */
@media (min-width: 768px) and (max-width: 1023px) {
    .ifa-b2b-landingpage .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop optimizations */
@media (min-width: 1024px) {
    .ifa-b2b-landingpage .hero {
        min-height: 80vh;
    }
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 9. ACCESSIBILITY & PRINT */
/* ───────────────────────────────────────────────────────────────────────────── */

/* Focus states */
.ifa-b2b-landingpage .btn:focus,
.ifa-b2b-landingpage a:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .ifa-b2b-landingpage * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .ifa-b2b-landingpage .hero-ctas,
    .ifa-b2b-landingpage .cta-section .btn {
        display: none;
    }
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 10. UTILITY CLASSES */
/* ───────────────────────────────────────────────────────────────────────────── */

.ifa-b2b-landingpage .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.ifa-b2b-landingpage .text-center {
    text-align: center;
}

.ifa-b2b-landingpage .text-accent {
    color: var(--color-accent);
}

.ifa-b2b-landingpage .gap-lg {
    gap: var(--spacing-lg);
}

/* ───────────────────────────────────────────────────────────────────────────── */
/* 11. DARK PAGE METADATA (Hidden) */
/* ───────────────────────────────────────────────────────────────────────────── */

.dark-page-metadata {
    display: none;
    visibility: hidden;
}

/**
 * EOF: style-dark_page.css
 * Generated for Sachsmarketing.de Dark Page B2B Landing
 * Mobile-First Responsive Design
 * Last Updated: 2024
 */