/* Central Theme Overrides */
:root {
    /* 1. Master Brand Palette - NUR HIER FARBEN ÄNDERN */
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    
    /* 2. Semantic Palette - Weist Farben eine Bedeutung zu */
    --color-success: #10b981;
    --color-danger: #E63946;
    --color-warning: #F4A261;
    --color-info: #2A9D8F;
    
    /* 3. Master Neutral Palette */
    --color-text-dark: #212529;
    --color-text-muted: #6c757d;
    --color-border: #dee2e6;
    --color-bg-light: #f8f9fa;
    --color-bg-highlight: #f0f7ff;
    --color-footer-bg: #2c3e50;

    /* 4. Bootstrap Variable Overrides - Referenziert die Master Palette */
    --bs-primary: var(--color-primary);
    --bs-primary-rgb: 102, 126, 234;
    --bs-primary-border-subtle: var(--bs-primary);
    --bs-link-color: var(--bs-primary);
    --bs-link-hover-color: #5a6fd6 !important;
    --bs-success: var(--color-success);
    --bs-danger: var(--color-danger);
    --bs-warning: var(--color-warning);
    --bs-info: var(--color-info);
}

/* Modern UI Helpers */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease !important;
}

.hover-lift:hover {
    transform: translateY(-10px) !important;
    box-shadow: 0 1rem 3rem rgba(0,0,0,.12) !important;
}

.rounded-4 {
    border-radius: 1.25rem !important;
}

.feature-icon {
    font-size: 2.5rem !important;
    color: var(--bs-primary) !important;
}

/* Global Styles & Reset */
html, body {
    touch-action: manipulation;
    overflow-x: hidden;
}

.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 100px 0;
}

.feature-icon {
    font-size: 3rem;
    color: var(--bs-primary);
    margin-bottom: 20px;
}

.step-number {
    background: var(--bs-primary);
    color: white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 10px 0 0;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Layout Components */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-toggler {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0.25rem 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggler span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: rgba(0, 0, 0, 0.55);
    margin: 4px 0;
    transition: all 0.3s ease;
    border-radius: 1px;
}

.navbar-toggler:not(.collapsed) span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.navbar-toggler:not(.collapsed) span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler:not(.collapsed) span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.navbar-toggler:focus, .nav-link:focus, .navbar-brand:focus {
    outline: none !important;
    box-shadow: none !important;
}

footer {
    background-color: var(--color-footer-bg);
    color: white;
    padding: 40px 0;
    margin-top: 0;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

footer h5, footer h6, footer p, footer li, footer i {
    color: white !important;
}

@media (max-width: 991px) {
    footer .col-12.col-lg-6 {
        margin-bottom: 2rem;
    }
}

/* Bootstrap Utility Overrides */
.btn-primary {
    --bs-btn-bg: var(--bs-primary) !important;
    --bs-btn-border-color: var(--bs-primary) !important;
    --bs-btn-hover-bg: #5a6fd6 !important;
    --bs-btn-hover-border-color: #5a6fd6 !important;
    --bs-btn-active-bg: #5a6fd6 !important;
    background-color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
    color: #ffffff !important;
}

.text-primary { color: var(--bs-primary) !important; }
.bg-primary { 
    background-color: var(--bs-primary) !important; 
    color: #ffffff !important;
}

.border-primary { 
    border-color: var(--bs-primary) !important; 
}

/* Spezifische Overrides für Bootstrap Cards */
.card.border-primary { 
    --bs-card-border-color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important; 
}

.card-header.bg-primary {
    --bs-card-cap-bg: var(--bs-primary) !important;
    background-color: var(--bs-primary) !important;
}

[class*="border-primary"] {
    border-color: var(--bs-primary) !important;
}

.locale-option.active {
    background-color: var(--bs-primary) !important;
    color: white !important;
}

.dropdown-header {
    color: var(--bs-primary) !important;
    font-weight: 600;
}

.cta-gradient { 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important; 
}

/* Postcard Stack & Landing Page Enhancements */
.postcard-stack {
    position: relative;
    display: inline-block;
    /* Leichte Drehung nach rechts wie im Mockup */
    transform: rotate(3deg);
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Ein weicher Schatten lässt die Karte "schweben" */
    filter: drop-shadow(0 15px 35px rgba(0,0,0,0.12));
    z-index: 1;
    min-height: 250px;
    min-width: min(400px, 90vw);
}

/* "Click Me" Hinweis - Waagerecht und unter der Karte positioniert */
.postcard-flip-hint {
    position: absolute;
    bottom: -50px; /* Abstand unterhalb der Karte */
    left: 50%;
    transform: translateX(-50%);
    background: rgba(44, 62, 80, 0.8);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    z-index: 10;
    pointer-events: auto; /* Klickbar machen */
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    opacity: 0;
    transition: opacity 0.5s ease-in 2.6s, transform 0.3s ease, background-color 0.3s ease;
}

/* Hinweis einblenden, sobald der Stapel bereit ist */
.postcard-stack.images-loaded + .postcard-flip-hint {
    opacity: 1;
}

.postcard-flip-hint:hover {
    transform: translateX(-50%) translateY(-3px);
    background: rgba(44, 62, 80, 1);
}

/* Dekorative Karte im Hintergrund */
.postcard-back-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Hintergrundfarbe entfernen, damit keine weiße Box blitzt */
    background-color: transparent;
    background-size: cover;
    background-position: center;
    border: none;
    border-radius: 10px; /* Gleicher Radius wie in postcard.css */
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3); /* Gleicher Schatten für Konsistenz */
    z-index: -1;
    /* Drehung in die andere Richtung für den Stapel-Effekt */
    transform: rotate(-12deg) translateX(-10px);
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

/* Die Hauptkarte im Container initial verstecken */
.postcard-stack .postcard-container {
    opacity: 0;
    transition: opacity 1.8s ease-in-out;
}

/* Gestaffeltes Einblenden: Erst Deko, dann Hauptkarte */
.postcard-stack.back-images-loaded .postcard-back-decoration {
    opacity: 1;
}

.postcard-stack.images-loaded .postcard-container {
    opacity: 1;
    transition-delay: 1s; /* 1 Sekunde Delay für die vordere Karte */
}