/* 
 * Design System - Partnerberatung
 * Colors: Petrol (Trust), Sage (Harmony), Beige (Comfort)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --color-petrol-dark: #1A3C40;
    --color-petrol: #2C5F63;
    --color-petrol-light: #4E8D93;
    
    --color-sage-light: #EBF2EE;
    --color-sage: #9CB3A3;
    --color-sage-dark: #748B7B;
    
    --color-beige-light: #F9F7F2;
    --color-beige: #E6E0D4;
    --color-beige-dark: #C4BBAF;

    --color-text-main: #1F2937;
    --color-text-muted: #4B5563;
    --color-white: #FFFFFF;
    
    /* Functional Colors */
    --color-accent: #D4A373; /* Warm earth tone for accents */
    --color-success: #10B981;
    --color-bg-body: var(--color-beige-light);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* 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), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-soft: 0 10px 40px -10px rgba(44, 95, 99, 0.15);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-petrol-dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-sage { background-color: var(--color-sage-light); }
.section-petrol { background-color: var(--color-petrol-dark); color: var(--color-white); }
.section-white { background-color: var(--color-white); }

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--color-petrol);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: var(--color-sage);
    color: var(--color-petrol-dark);
}

.btn-secondary:hover {
    background-color: var(--color-sage-dark);
    color: var(--color-white);
}

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

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

/* Header & Nav */
.header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-petrol-dark);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

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

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

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.hero-content {
    flex: 1;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background-color: var(--color-sage);
    z-index: -1;
    border-radius: var(--radius-md);
}

/* Cards (Problems/Features) */
.card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-sage-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-petrol);
    font-size: 1.5rem;
}

/* FAQ */
.faq-item {
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--color-petrol-dark);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-sm);
    color: var(--color-text-muted);
}

/* Footer */
.footer {
    background-color: var(--color-petrol-dark);
    color: var(--color-sage-light);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer h4 { color: var(--color-white); }
.footer p { color: var(--color-sage-light); }
.footer a:hover { color: var(--color-white); }

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Todo: Implement mobile menu toggle */
    }
    .hero {
        flex-direction: column-reverse;
        padding-top: var(--spacing-md);
    }
    .hero-image::after {
        display: none;
    }
}