/* ========================================
   SLIDING WINDOWS PREMIUM STYLES
   ========================================
*/

:root {
    --sliding-primary: #412ca5;
    --sliding-accent: #5b4bc4; /* Brand Purple Accent */
    --sliding-bg: #f8fafc;
    --sliding-card-bg: #ffffff;
    --sliding-text-dark: #1e293b;
    --sliding-text-light: #64748b;
    --sliding-light-tint: #F0EDF9; /* Brand Light Purple Tint */
}

/* --- Premium Features Section --- */
.sliding-features-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.sliding-feature-card {
    background: var(--sliding-card-bg);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08); 
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 1.25rem;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.8);
    z-index: 1;
}

.sliding-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, transparent 50%, rgba(65, 44, 165, 0.08) 50%);
    border-radius: 0 20px 0 100%;
    transition: all 0.4s ease;
    z-index: -1;
}

.sliding-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(65, 44, 165, 0.15); 
}

.sliding-feature-card:hover::before {
    transform: scale(1.5);
    background: linear-gradient(135deg, transparent 50%, rgba(65, 44, 165, 0.15) 50%);
}

.s-feature-icon-box {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--sliding-primary) 0%, var(--sliding-accent) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.75rem;
    box-shadow: 0 8px 20px rgba(65, 44, 165, 0.3);
    transition: transform 0.5s ease;
}

.sliding-feature-card:hover .s-feature-icon-box {
    transform: translateX(10px) rotate(5deg);
}

.s-feature-content h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--sliding-text-dark);
    margin-bottom: 0.75rem;
}

.s-feature-content p {
    font-size: 1rem;
    color: var(--sliding-text-light);
    line-height: 1.6;
}

/* --- Sliding Configurations (Tracks) Section --- */
.sliding-config-section {
    padding: 6rem 0;
    background-color: #ffffff;
}

.sliding-config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.sliding-config-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid #f1f5f9;
    position: relative;
    overflow: hidden;
}

.sliding-config-card:hover {
    transform: translateY(-5px);
    border-color: var(--sliding-primary);
    box-shadow: 0 20px 40px -10px rgba(65, 44, 165, 0.15);
}

.config-diagram {
    height: 100px;
    background-color: #f8fafc;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Simple CSS representation of tracks */
.track-line {
    width: 80%;
    height: 4px;
    background-color: #cbd5e1;
    position: relative;
}
.track-line::before, .track-line::after {
    content: '';
    position: absolute;
    width: 40%;
    height: 40px;
    top: -18px;
    border: 2px solid var(--sliding-primary);
    background: rgba(255,255,255,0.8);
}
.track-2 .track-line::before { left: 0; }
.track-2 .track-line::after { right: 0; top: -2px; border-color: var(--sliding-accent); }

.sliding-config-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--sliding-text-dark);
    margin-bottom: 0.75rem;
}

.sliding-config-desc {
    color: var(--sliding-text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.sliding-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background-color: var(--sliding-light-tint);
    color: var(--sliding-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}


/* --- Interactive Tech Specs (Tabs) --- */
.specs-section {
    padding: 6rem 0;
    background: #f8fafc;
}

.tech-tabs-container {
    background: #fff;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid #e2e8f0;
}

.tech-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tech-tab-btn {
    background: transparent;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--sliding-text-light);
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.tech-tab-btn:hover {
    color: var(--sliding-primary);
    background-color: var(--sliding-light-tint);
}

.tech-tab-btn.active {
    background: var(--sliding-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(65, 44, 165, 0.3);
}

.tech-tab-content {
    display: none;
    animation: fadeInContent 0.5s ease forwards;
}

.tech-tab-content.active {
    display: block;
}

@keyframes fadeInContent {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tech-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
    align-items: center;
}
.tech-detail-row:last-child {
    border-bottom: none;
}

.tech-label {
    font-weight: 600;
    color: var(--sliding-text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tech-label i { color: var(--sliding-primary); }

.tech-value {
    color: var(--sliding-text-light);
    font-weight: 500;
    text-align: right;
}


/* --- Premium FAQ (Mobile Friendly) --- */
.premium-faq-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.premium-faq-item {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.premium-faq-item.active {
    border-color: var(--sliding-primary);
    box-shadow: 0 10px 25px -5px rgba(65, 44, 165, 0.15);
}

.premium-faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: #fff;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sliding-text-dark);
    text-align: left;
}

.premium-faq-item.active .premium-faq-question {
    color: var(--sliding-primary);
    background-color: #F9F8FD;
}

.premium-faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.premium-faq-item.active .premium-faq-icon {
    background-color: var(--sliding-primary);
    color: #fff;
    transform: rotate(180deg);
}

.premium-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
    background-color: #fff;
}

.premium-faq-item.active .premium-faq-answer {
    max-height: 500px;
    transition: max-height 0.5s ease-in-out;
}

.premium-faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--sliding-text-light);
    margin: 0;
}

@media (max-width: 768px) {
    .sliding-features-wrapper { grid-template-columns: 1fr; }
    .tech-detail-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .tech-value { text-align: left; color: var(--sliding-primary); }
}