/* --- Asisto Design System v2.0: Industrial Intelligence --- */
:root {
    /* Colors */
    --bg-body: #ffffff;
    --bg-surface: #f3f4f6; /* Concrete Grey */
    --text-main: #111827;  /* Deep Asphalt */
    --text-muted: #4b5563;
    
    --primary: #111827;    /* Black/Navy Dark */
    --accent: #ff6b35;     /* Safety Orange - High Energy */
    --accent-hover: #e85d2a;
    
    --whatsapp-green: #25D366; /* Nur für Demo-Kontext */
    
    /* UI Dimensions */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 32px;
    --max-width: 1200px;
    
    /* Effects */
    --shadow-soft: 0 10px 40px -10px rgba(0,0,0,0.08);
    --shadow-hard: 0 4px 0px 0px rgba(0,0,0,1); /* Brutalist Touch */
    --glass: rgba(255, 255, 255, 0.8);
    --blur: blur(12px);
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3 { font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
p { font-size: 1.125rem; color: var(--text-muted); font-weight: 400; }
a { text-decoration: none; color: inherit; }

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

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.9);
    backdrop-filter: var(--blur);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 20px 0;
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; }

/* Logo Integration */
.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
}
.logo-img { height: 42px; width: auto; } /* Größer für Impact */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-dark {
    background-color: var(--primary);
    color: white;
}
.btn-dark:hover { background-color: #000; }

.btn-outline {
    background: transparent;
    border-color: rgba(0,0,0,0.1);
    color: var(--text-main);
}
.btn-outline:hover { border-color: var(--primary); }

/* --- Hero Section --- */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: linear-gradient(180deg, #fff 0%, #f3f4f6 100%);
    position: relative;
    overflow: hidden;
}

/* Abstract Background Shapes (Tech feel) */
.hero::after {
    content: '';
    position: absolute;
    top: -10%; right: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-headline {
    font-size: 4rem; /* Massive Headline */
    margin-bottom: 24px;
}
.hero-headline span {
    color: var(--accent);
    position: relative;
    display: inline-block;
}
/* Unterstreichungseffekt */
.hero-headline span::after {
    content: '';
    position: absolute;
    bottom: 8px; left: 0; width: 100%; height: 12px;
    background: rgba(255, 107, 53, 0.2);
    z-index: -1;
    transform: skewX(-10deg);
}

.hero-sub { margin-bottom: 40px; font-size: 1.25rem; line-height: 1.6; max-width: 90%; }

.trust-badge {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.1);
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    gap: 20px;
    align-items: center;
}
.trust-badge strong { color: var(--primary); }

/* --- Value Proposition Grid (Bento Style) --- */
.value-section { padding: 100px 0; background: var(--bg-body); }
.section-title { text-align: center; max-width: 800px; margin: 0 auto 80px; }
.section-title h2 { font-size: 3rem; margin-bottom: 20px; }

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: 24px;
}

.bento-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
}
.bento-card:hover { transform: translateY(-5px); border-color: rgba(0,0,0,0.1); }

/* Special Bento Sizes */
.bento-large { grid-column: span 2; background: var(--primary); color: white; }
.bento-large p { color: rgba(255,255,255,0.7); }
.bento-large h3 { color: white; }

.bento-card h3 { font-size: 1.5rem; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.bento-icon { 
    width: 40px; height: 40px; 
    background: rgba(255,255,255,0.5); 
    border-radius: 50%; 
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.bento-large .bento-icon { background: rgba(255,255,255,0.1); }

/* --- Simulation UI (New) --- */
.sim-wrapper {
    display: flex;
    gap: 40px;
    height: 80vh;
    align-items: center;
    justify-content: center;
}

/* Die "Blackbox" (AI Logik Visualisierung) */
.ai-logic-panel {
    width: 350px;
    background: var(--primary);
    color: #00ff41; /* Terminal Green */
    font-family: 'Courier New', monospace;
    padding: 20px;
    border-radius: var(--radius-md);
    height: 600px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
    position: relative;
}
.ai-header { 
    border-bottom: 1px solid rgba(255,255,255,0.1); 
    padding-bottom: 10px; margin-bottom: 10px; 
    font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.5);
}
.ai-logs { flex: 1; font-size: 0.85rem; display: flex; flex-direction: column; gap: 5px; }
.log-entry { opacity: 0; animation: fadeIn 0.3s forwards; }
.log-entry.success { color: #00ff41; }
.log-entry.process { color: #ffbf00; }
.log-entry.error { color: #ff4444; }

/* Phone Mockup Refined */
.phone-frame {
    width: 380px;
    height: 750px;
    background: #fff;
    border-radius: 40px;
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.2);
    border: 10px solid #2d3436;
    position: relative;
    overflow: hidden;
    display: flex; flex-direction: column;
}

.whatsapp-header {
    background: #075E54;
    padding: 40px 15px 15px;
    color: white;
    display: flex; align-items: center; gap: 10px;
}
.chat-area {
    flex: 1;
    background: #e5ddd5 url('https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png');
    padding: 20px;
    overflow-y: auto;
}
.control-panel {
    background: white;
    padding: 20px;
    border-top: 1px solid #eee;
}

/* Animations */
@keyframes fadeIn { to { opacity: 1; } }

/* Mobile Response */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-headline { font-size: 2.8rem; }
    .bento-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .bento-large { grid-column: auto; }
    .sim-wrapper { flex-direction: column; height: auto; }
    .ai-logic-panel { width: 100%; height: 200px; display: none; /* Hide complex logs on mobile */ }
}