/**
 * CleverHund - Custom Styles
 * Extracted and enhanced styles for maintainability and flexibility
 */

/* ============================================
   CSS Custom Properties (Theme Variables)
   ============================================ */
:root {
    /* Color System */
    --color-primary: #5A6855;
    --color-background-light: #FDFDFD;
    --color-background-dark: #1E1E1E;
    --color-text-light: #333333;
    --color-text-dark: #E0E0E0;
    --color-accent-light: #E0E0E0;
    --color-accent-dark: #4A4A4A;

    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-sans: 'Poppins', sans-serif;

    /* Spacing & Sizing */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 32px;

    /* Shadows */
    --shadow-light: 0 10px 30px -5px rgba(0,0,0,0.05);
    --shadow-dark: 0 10px 30px -5px rgba(255,255,255,0.05);

    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-long: 0.6s ease-out;
}

/* ============================================
   Mobile Menu Animations
   ============================================ */
.mobile-menu {
    transition: transform var(--transition-base);
    transform: translateX(100%);
}

.mobile-menu.open {
    transform: translateX(0);
}

/* ============================================
   Quiz System Styles
   ============================================ */
.quiz-option {
    transition: all var(--transition-base);
}

.quiz-option:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.dark .quiz-option:hover {
    box-shadow: var(--shadow-dark);
}

.quiz-option.selected {
    background-color: var(--color-primary);
    color: var(--color-background-light);
    border-color: var(--color-primary);
}

.quiz-option.selected .dark\:text-text-dark {
    color: var(--color-background-light);
}

/* ============================================
   Section Divider
   ============================================ */
.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-accent-light), transparent);
}

.dark .section-divider {
    background: linear-gradient(to right, transparent, var(--color-accent-dark), transparent);
}

/* ============================================
   Image Container
   ============================================ */
.image-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.image-container img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Header Navigation
   ============================================ */
header {
    backdrop-filter: blur(8px);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), transparent);
}

header nav a {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

header nav a:hover {
    color: var(--color-primary) !important;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-shadow: none;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-content {
    z-index: 10;
    max-width: 800px;
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.dark .hero-content {
    background: rgba(30, 30, 30, 0.8);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-primary);
}

.dark h1, .dark h2, .dark h3, .dark h4 {
    color: var(--color-primary);
}

p {
    font-family: var(--font-sans);
    line-height: 1.7;
}

.dark p {
    color: var(--color-text-dark);
}

a {
    transition: color var(--transition-base), transform var(--transition-base);
}

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

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

/* ============================================
   BUTTON SYSTEM (WCAG-Compliant)
   ============================================ */

/* Base Button Styles */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 600;
    border-radius: 9999px;
    transition: all var(--transition-base);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

/* Primary Button (Main CTAs) */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-background-light);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    box-shadow: 0 10px 25px -5px rgba(90, 104, 85, 0.4);
    transform: scale(1.05);
}

.btn-primary:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Secondary Button (Ghost Style - WCAG AA Compliant) */
.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
    border-width: 2px;
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-background-light);
    transform: scale(1.05);
}

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

.dark .btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-background-light);
}

.btn-secondary:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Full-width Button Variant */
.btn-full {
    width: 100%;
}

/* ============================================
   CARD SYSTEM (Semantic Hover States)
   ============================================ */

/* Base Card Styles */
.card {
    background-color: var(--color-background-light);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
}

.dark .card {
    background-color: var(--color-background-dark);
    box-shadow: var(--shadow-dark);
}

/* Interactive Cards (for Training Programs with CTAs) */
.card-interactive {
    transition: all var(--transition-base);
}

.card-interactive:hover {
    box-shadow: 0 15px 40px -5px rgba(0,0,0,0.1);
    transform: translateY(-8px);
}

.dark .card-interactive:hover {
    box-shadow: 0 15px 40px -5px rgba(255,255,255,0.1);
}

/* Static Cards (for Testimonials - subtle effect only) */
.card-static {
    transition: box-shadow var(--transition-base);
}

.card-static:hover {
    box-shadow: 0 12px 35px -5px rgba(0,0,0,0.08);
}

.dark .card-static:hover {
    box-shadow: 0 12px 35px -5px rgba(255,255,255,0.08);
}

/* ============================================
   SCROLL ANIMATIONS (Intersection Observer)
   ============================================ */

/* Fade In Up Animation */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-long), transform var(--transition-long);
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transition: opacity var(--transition-long);
}

.fade-in.is-visible {
    opacity: 1;
}

/* Slide In from Left */
.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity var(--transition-long), transform var(--transition-long);
}

.slide-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Slide In from Right */
.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--transition-long), transform var(--transition-long);
}

.slide-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fade-in-up,
    .fade-in,
    .slide-in-left,
    .slide-in-right {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* Performance optimization: Only apply will-change during animation */
.fade-in-up:not(.is-visible),
.slide-in-left:not(.is-visible),
.slide-in-right:not(.is-visible) {
    will-change: transform, opacity;
}

.fade-in-up.is-visible,
.slide-in-left.is-visible,
.slide-in-right.is-visible {
    will-change: auto;
}

/* ============================================
   WALDBADEN SECTION RESPONSIVENESS
   ============================================ */
#waldbaden {
    min-height: 60vh;
}

#waldbaden .backdrop-blur-md {
    backdrop-filter: blur(10px);
}

/* Mobile optimizations */
@media (max-width: 768px) {
    #waldbaden {
        padding-top: 6rem !important;
        padding-bottom: 6rem !important;
        min-height: auto;
    }

    #waldbaden .backdrop-blur-md {
        padding: 2rem !important;
        margin-left: 1rem;
        margin-right: 1rem;
    }

    #waldbaden h2 {
        font-size: 2rem !important;
        line-height: 1.2;
    }

    #waldbaden p {
        font-size: 1rem !important;
        line-height: 1.6;
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    #waldbaden h2 {
        font-size: 2.5rem !important;
    }

    #waldbaden p {
        font-size: 1.125rem !important;
    }
}