/* ===== styles.css - Element Style Overrides ===== */
/* Three styles via [data-site-style] selectors. Loaded after app.css and themes.css. */

/* ============================================
   STYLE 1: "Alles" (all) - Glassmorphism + effects
   ============================================ */

/* Glassmorphism cards */
[data-site-style="all"] .btw-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}
[data-site-style="all"][data-bs-theme="dark"] .btw-card {
    background: rgba(30, 30, 40, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Advanced card hover */
[data-site-style="all"] .btw-card:hover {
    transform: translateY(-4px) scale(1.01);
}

/* Gradient text on section titles */
[data-site-style="all"] .btw-section-title {
    background: linear-gradient(135deg, var(--btw-gradient-start), var(--btw-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
[data-site-style="all"][data-site-theme="dark-premium"][data-bs-theme="light"] .btw-section-title,
[data-site-style="all"][data-site-theme="warm-clean"][data-bs-theme="light"] .btw-section-title {
    background: linear-gradient(135deg, var(--btw-primary), var(--btw-primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glow effect on search button */
[data-site-style="all"] .btw-search-box .btn-check-vat {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}
[data-site-style="all"] .btw-search-box .btn-check-vat:hover {
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.25);
}

/* Spring easing on fade-in */
[data-site-style="all"] .fade-in {
    transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Social proof strip */
[data-site-style="all"] .btw-social-proof {
    display: flex;
    overflow: hidden;
    background: var(--btw-nav-bg);
    border-bottom: 1px solid var(--btw-nav-border);
    padding: 0.5rem 0;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--bs-secondary-color);
}
[data-site-style="all"] .btw-social-proof .ticker-track {
    display: flex;
    gap: 3rem;
    animation: ticker 30s linear infinite;
    white-space: nowrap;
}
@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Stats counter cards */
[data-site-style="all"] .btw-stats-section .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--btw-gradient-start), var(--btw-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
[data-site-style="all"][data-site-theme="dark-premium"] .btw-stats-section .stat-number,
[data-site-style="all"][data-site-theme="warm-clean"][data-bs-theme="light"] .btw-stats-section .stat-number {
    background: linear-gradient(135deg, var(--btw-primary), var(--btw-primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   STYLE 2: "Subtiel premium" (subtle)
   ============================================ */

/* Refined letter-spacing on headings */
[data-site-style="subtle"] h1,
[data-site-style="subtle"] h2,
[data-site-style="subtle"] h3 {
    letter-spacing: -0.025em;
}

/* Subtle card borders */
[data-site-style="subtle"] .btw-card {
    border: 1px solid rgba(0, 0, 0, 0.06);
}
[data-site-style="subtle"][data-bs-theme="dark"] .btw-card {
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Elegant hover transitions */
[data-site-style="subtle"] .btw-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-site-style="subtle"] .btw-card:hover {
    transform: translateY(-2px);
}

/* More section padding */
[data-site-style="subtle"] .btw-section {
    padding: 5rem 0;
}
@media (max-width: 576px) {
    [data-site-style="subtle"] .btw-section {
        padding: 3rem 0;
    }
}

/* Refined nav shadow */
[data-site-style="subtle"] .btw-navbar {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Better typography in feature cards */
[data-site-style="subtle"] .btw-card h5 {
    letter-spacing: -0.01em;
    font-weight: 600;
}
[data-site-style="subtle"] .btw-card .card-body p {
    line-height: 1.65;
}

/* Subtle gradient on section titles */
[data-site-style="subtle"] .btw-section-title {
    position: relative;
    display: inline-block;
}
[data-site-style="subtle"] .btw-section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--btw-primary);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

/* Stats counter cards */
[data-site-style="subtle"] .btw-stats-section .stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--btw-primary);
}

/* ============================================
   STYLE 3: "Interactief & modern" (interactive)
   ============================================ */

/* Magnetic button hover */
[data-site-style="interactive"] .btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-site-style="interactive"] .btn:hover {
    transform: scale(1.02);
}
[data-site-style="interactive"] .btn:active {
    transform: scale(0.98);
}

/* Icon bounce on card hover */
[data-site-style="interactive"] .btw-card .btw-feature-icon {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
[data-site-style="interactive"] .btw-card:hover .btw-feature-icon {
    transform: translateY(-4px);
}

/* Form input focus scale */
[data-site-style="interactive"] .btw-form .form-control:focus,
[data-site-style="interactive"] .btw-form .form-select:focus {
    transform: scale(1.01);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Scroll progress indicator */
[data-site-style="interactive"] .btw-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--btw-primary), var(--btw-primary-hover, var(--btw-primary)));
    z-index: 9999;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* Parallax hero hint */
[data-site-style="interactive"] .btw-hero {
    background-attachment: fixed;
    background-size: cover;
}

/* Longer fade-in travel */
[data-site-style="interactive"] .fade-in {
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Card hover with tilt hint */
[data-site-style="interactive"] .btw-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-site-style="interactive"] .btw-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--btw-card-shadow-hover);
}

/* Stats counter cards */
[data-site-style="interactive"] .btw-stats-section .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--btw-primary);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
[data-site-style="interactive"] .btw-stats-section .btw-card:hover .stat-number {
    transform: scale(1.05);
}

/* Nav link hover animation */
[data-site-style="interactive"] .btw-navbar .nav-link {
    position: relative;
    overflow: hidden;
}
[data-site-style="interactive"] .btw-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--btw-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 1px;
}
[data-site-style="interactive"] .btw-navbar .nav-link:hover::after,
[data-site-style="interactive"] .btw-navbar .nav-link.active::after {
    width: 60%;
}

/* ============================================
   SHARED: Social proof strip (hidden by default)
   ============================================ */
.btw-social-proof {
    display: none;
}

/* ============================================
   SHARED: Scroll progress (hidden by default)
   ============================================ */
.btw-scroll-progress {
    display: none;
}
[data-site-style="interactive"] .btw-scroll-progress {
    display: block;
    width: 0%;
}

/* ============================================
   SHARED: Stats section base styles
   ============================================ */
.btw-stats-section {
    padding: 3rem 0;
}
.btw-stats-section .stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--btw-primary);
    line-height: 1;
}
.btw-stats-section .stat-label {
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
    font-weight: 500;
    margin-top: 0.5rem;
}
.btw-stats-section .stat-icon {
    font-size: 1.5rem;
    color: var(--btw-primary);
    opacity: 0.6;
    margin-bottom: 0.75rem;
}
