/* ===================================
   beAV Homepage - Style Sheet
   Farbschema passend zur App
   =================================== */

/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #f97316;
    --secondary-hover: #ea580c;

    --bg-light: #f3f4f6;
    --bg-white: #ffffff;
    --bg-dark: #1f2937;
    --bg-darker: #111827;

    --text-dark: #111827;
    --text-gray: #4b5563;
    --text-light: #6b7280;
    --text-white: #f9fafb;

    --border: #e5e7eb;
    --border-dark: #d1d5db;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 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);

    --radius: 0.5rem;
    --radius-lg: 1rem;

    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-gray);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

/* Nav Contact Button - dezenter */
.nav-links .btn-primary {
    background: transparent;
    color: var(--text-gray);
    border: 1px solid var(--border-dark);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.nav-links .btn-primary:hover {
    background: var(--bg-light);
    color: var(--text-dark);
    border-color: var(--text-gray);
    transform: none;
    box-shadow: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 4rem;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        border-bottom: 1px solid var(--border);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border);
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
    color: var(--text-dark);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--text-white);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: 6rem 0 3rem;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text .lead {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.hero-badge {
    position: absolute;
    bottom: -1rem;
    left: -1rem;
    background: var(--bg-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-badge-icon {
    width: 3rem;
    height: 3rem;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ===================================
   Features Section
   =================================== */
.features {
    padding: 5rem 0;
    background: var(--bg-white);
}

/* ===================================
   Origin Story Section
   =================================== */
.origin-story {
    padding: 4rem 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}

.origin-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: start;
}

.origin-label {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.origin-text h2 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

.origin-text p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.origin-highlight {
    display: flex;
    gap: 1rem;
    background: var(--bg-light);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    margin-top: 1.5rem;
    border-left: 3px solid var(--primary);
}

.origin-highlight svg {
    flex-shrink: 0;
    color: var(--primary);
    margin-top: 0.125rem;
}

.origin-highlight strong {
    display: block;
    margin-bottom: 0.375rem;
    color: var(--text-dark);
}

.origin-highlight p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.origin-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.375rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

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

    .origin-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .stat-item {
        padding: 0.75rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}

/* ===================================
   Features Section
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.feature-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.feature-card p {
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ===================================
   USP Section
   =================================== */
.usp {
    padding: 5rem 0;
    background: var(--bg-dark);
    color: var(--text-white);
}

.usp h2 {
    color: var(--text-white);
}

.usp p {
    color: var(--text-white);
    opacity: 0.8;
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

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

.usp-item {
    text-align: center;
    padding: 2rem;
}

.usp-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--secondary);
}

.usp-icon svg {
    width: 2rem;
    height: 2rem;
}

.usp-item h3 {
    color: var(--text-white);
    margin-bottom: 0.75rem;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    text-align: center;
    color: var(--text-white);
}

.cta h2 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.cta p {
    color: var(--text-white);
    opacity: 0.9;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta .btn {
    background: var(--bg-white);
    color: var(--primary);
}

.cta .btn:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-darker);
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand h3 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.footer-brand h3 span {
    color: var(--primary);
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9375rem;
}

.footer-links h4 {
    color: var(--text-white);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.875rem;
    margin: 0;
}

/* ===================================
   Legal Pages
   =================================== */
.legal-page {
    padding: 8rem 0 4rem;
    min-height: calc(100vh - 200px);
}

.legal-page h1 {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary);
}

.legal-page h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-page h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-gray);
}

.legal-page p {
    margin-bottom: 1rem;
}

.legal-page ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.legal-page li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.legal-page address {
    font-style: normal;
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin: 1rem 0;
}

/* ===================================
   Utilities
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }

/* Hero Screenshot */
.hero-screenshot {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}