/* ===================================
   ADVANCED FEATURES CSS
   Before/After, Ticker, FAQ, Dark Mode, etc.
   =================================== */

/* ===================================
   BEFORE/AFTER SLIDER
   =================================== */
.before-after-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-gray-lighter) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.before-after-container {
    max-width: 900px;
    margin: 0 auto;
}

.before-after-slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    border-radius: 30px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.before-image,
.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.after-image {
    clip-path: inset(0 50% 0 0);
    transition: clip-path 0.3s ease;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-white);
}

.before-placeholder {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-green-dark) 100%);
}

.after-placeholder {
    background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-light) 100%);
}

.image-placeholder i {
    font-size: 6rem;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

.image-placeholder p {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 4px;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
}

.slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 5;
    box-shadow: 0 0 20px var(--color-primary-glow);
    transition: left 0.3s ease;
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 20px var(--color-primary-glow),
        inset 0 -2px 10px rgba(0, 0, 0, 0.2),
        inset 0 2px 10px rgba(255, 255, 255, 0.5);
    animation: buttonPulse 2s ease-in-out infinite;
}

@keyframes buttonPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.slider-button i {
    font-size: 1.5rem;
    color: var(--color-dark);
}

/* ===================================
   INFINITE TICKER
   =================================== */
.infinite-ticker {
    background: linear-gradient(90deg, var(--color-green-dark) 0%, var(--color-dark) 50%, var(--color-green-dark) 100%);
    padding: var(--spacing-lg) 0;
    overflow: hidden;
    position: relative;
}

.infinite-ticker::before,
.infinite-ticker::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.infinite-ticker::before {
    left: 0;
    background: linear-gradient(90deg, var(--color-green-dark) 0%, transparent 100%);
}

.infinite-ticker::after {
    right: 0;
    background: linear-gradient(90deg, transparent 0%, var(--color-green-dark) 100%);
}

.ticker-content {
    display: flex;
    animation: ticker 30s linear infinite;
    white-space: nowrap;
}

.ticker-content span {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-xl);
    color: var(--color-white);
    font-size: var(--font-size-large);
    font-weight: 600;
}

.ticker-content span i {
    color: var(--color-primary);
    font-size: 1.5rem;
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ===================================
   FAQ ACCORDION
   =================================== */
.faq-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-gray-lighter);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.faq-item:hover {
    border-color: var(--color-green-light);
}

.faq-item.active {
    background: linear-gradient(135deg, rgba(74, 124, 89, 0.05) 0%, var(--color-white) 100%);
    border-color: var(--color-green);
    box-shadow: 0 8px 24px var(--color-green-glow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    color: var(--color-dark);
    font-size: 1.25rem;
    margin: 0;
    transition: color 0.3s ease;
}

.faq-item:hover .faq-question h3 {
    color: var(--color-green);
}

.faq-question i {
    font-size: 1.25rem;
    color: var(--color-green);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--color-gray);
    line-height: 1.8;
    margin: 0;
}


/* ===================================
   SOCIAL PROOF NOTIFICATIONS
   =================================== */
.social-proof {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 350px;
    z-index: 999;
    opacity: 0;
    transform: translateX(-400px);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-left: 4px solid var(--color-green);
}

.social-proof.show {
    opacity: 1;
    transform: translateX(0);
}

.social-proof-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.social-proof-icon i {
    color: var(--color-white);
    font-size: 1.5rem;
}

.social-proof-content h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-dark);
}

.social-proof-content p {
    margin: 4px 0 0;
    font-size: 0.85rem;
    color: var(--color-gray);
}

.social-proof-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: var(--color-gray);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 4px;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.social-proof-close:hover {
    opacity: 1;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .before-after-slider {
        height: 400px;
    }

    .image-placeholder i {
        font-size: 4rem;
    }

    .image-placeholder p {
        font-size: 1.5rem;
    }

    .ticker-content span {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-md);
    }

    .social-proof {
        left: 15px;
        right: 15px;
        bottom: 15px;
        max-width: none;
    }
}