/* --- BRANDING & VARIABLES --- */
    :root {
        --cs-primary: #2563EB; /* AiPSoft Blue */
        --cs-primary-dark: #1d4ed8;
        --cs-secondary: #0F172A; /* Deep Navy */
        --cs-bg-light: #F8FAFC;
        --cs-bg-gray: #F1F5F9;
        --cs-text-main: #1E293B;
        --cs-text-muted: #64748b;
        --cs-border: #E2E8F0;
        --cs-success: #10B981;
        --cs-accent-restaurant: #E11D48;
        --cs-accent-laundry: #0D9488;
        --cs-accent-tailor: #7C3AED;
        --cs-accent-credit: #F59E0B;
    }

    .cs-wrapper {
        font-family: 'Lexend', sans-serif;
        color: var(--cs-text-main);
        background: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }

    .cs-container { 
        max-width: 1200px; 
        margin: 0 auto; 
        padding: 0 24px; 
    }

    /* --- TYPOGRAPHY & UTILITIES --- */
    .cs-section-title {
        font-size: 2.5rem;
        font-weight: 800;
        color: var(--cs-secondary);
        margin-bottom: 20px;
        letter-spacing: -0.02em;
    }
    
    .cs-section-desc {
        font-size: 1.15rem;
        color: var(--cs-text-muted);
        max-width: 700px;
        margin: 0 auto 50px;
        line-height: 1.7;
    }

    .cs-badge {
        display: inline-flex;
        align-items: center;
        padding: 6px 16px;
        background: #eff6ff;
        color: var(--cs-primary);
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 15px;
    }

    /* --- BUTTONS --- */
    .cs-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 32px;
        border-radius: 50px;
        font-weight: 600;
        cursor: pointer;
        gap: 10px;
        transition: all 0.3s ease;
        text-decoration: none !important;
        font-size: 1rem;
        border: none;
    }
    .cs-btn-primary { background: var(--cs-primary); color: white !important; box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4); }
    .cs-btn-primary:hover { background: var(--cs-primary-dark); transform: translateY(-2px); box-shadow: 0 15px 30px -5px rgba(37, 99, 235, 0.5); }
    
    .cs-btn-outline { background: transparent; border: 2px solid var(--cs-border); color: var(--cs-secondary) !important; }
    .cs-btn-outline:hover { border-color: var(--cs-primary); color: var(--cs-primary) !important; background: var(--cs-bg-light); transform: translateY(-2px); }

    .cs-btn-white { background: white; color: var(--cs-secondary) !important; }
    .cs-btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
    
    .cs-btn-white-outline { background: transparent; border: 2px solid rgba(255,255,255,0.4); color: white !important; }
    .cs-btn-white-outline:hover { border-color: white; background: rgba(255,255,255,0.1); transform: translateY(-2px); }

    /* --- HERO SECTION --- */
    .cs-hero {
        padding: 140px 0 100px;
        text-align: center;
        background: radial-gradient(circle at top right, #f8fafc 0%, #ffffff 100%);
        border-bottom: 1px solid var(--cs-border);
        position: relative;
    }

    .cs-hero h1 {
        font-size: 3.5rem;
        font-weight: 800;
        color: var(--cs-secondary);
        margin-bottom: 20px;
        line-height: 1.15;
        letter-spacing: -0.02em;
    }

    .cs-hero p.subtitle {
        font-size: 1.25rem;
        color: var(--cs-text-muted);
        max-width: 800px;
        margin: 0 auto 30px;
        line-height: 1.6;
    }

    .cs-hero-intro {
        background: white;
        border: 1px solid var(--cs-border);
        border-radius: 16px;
        padding: 30px 40px;
        max-width: 900px;
        margin: 40px auto 0;
        box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.05);
        font-size: 1.1rem;
        color: var(--cs-text-main);
    }

    /* --- CASE STUDIES SECTION --- */
    .cs-case-studies {
        padding: 100px 0;
        background: white;
    }

    .cs-story-card {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
        margin-bottom: 100px;
        padding-bottom: 100px;
        border-bottom: 1px solid var(--cs-border);
    }
    .cs-story-card:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
    .cs-story-card.reverse { grid-template-columns: 1fr 1fr; } /* We will use order property for reverse */

    .cs-story-visual {
        position: relative;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.2);
        group: relative;
    }
    
    .cs-story-visual img.main-img {
        width: 100%;
        display: block;
        transition: transform 0.5s ease;
    }
    .cs-story-visual:hover img.main-img {
        transform: scale(1.03);
    }

    /* Play Button Overlay for Video Demos */
    .cs-play-overlay {
        position: absolute;
        inset: 0;
        background: rgba(15, 23, 42, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity 0.3s;
        cursor: pointer;
    }
    .cs-story-visual:hover .cs-play-overlay { opacity: 1; }
    .cs-play-btn {
        width: 70px;
        height: 70px;
        background: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--cs-primary);
        font-size: 1.5rem;
        padding-left: 5px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        transform: scale(0.9);
        transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .cs-story-visual:hover .cs-play-btn { transform: scale(1); }

    /* Customer Persona Badge */
    .cs-customer-badge {
        position: absolute;
        bottom: 20px;
        left: 20px;
        background: white;
        padding: 12px 20px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        gap: 15px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        z-index: 2;
    }
    .cs-customer-badge img {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        object-fit: cover;
    }
    .cs-customer-badge div { display: flex; flex-direction: column; }
    .cs-customer-badge strong { font-size: 0.95rem; color: var(--cs-secondary); line-height: 1.2; }
    .cs-customer-badge span { font-size: 0.8rem; color: var(--cs-text-muted); }

    /* Story Content */
    .cs-story-content h3 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--cs-secondary);
        margin-bottom: 20px;
        line-height: 1.2;
    }

    .cs-story-text {
        font-size: 1.05rem;
        color: var(--cs-text-muted);
        margin-bottom: 25px;
    }

    .cs-features-used {
        background: var(--cs-bg-light);
        padding: 20px;
        border-radius: 12px;
        margin-bottom: 25px;
        border-left: 4px solid var(--cs-primary);
    }
    .cs-features-used.laundry { border-left-color: var(--cs-accent-laundry); }
    .cs-features-used.restaurant { border-left-color: var(--cs-accent-restaurant); }
    .cs-features-used.credit { border-left-color: var(--cs-accent-credit); }
    .cs-features-used.tailor { border-left-color: var(--cs-accent-tailor); }

    .cs-features-used h4 {
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 10px;
        color: var(--cs-secondary);
    }
    .cs-features-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .cs-features-list li {
        font-size: 0.9rem;
        color: var(--cs-text-main);
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .cs-features-list i { color: var(--cs-primary); margin-top: 3px; font-size: 0.8rem; }
    .laundry .cs-features-list i { color: var(--cs-accent-laundry); }
    .restaurant .cs-features-list i { color: var(--cs-accent-restaurant); }
    .credit .cs-features-list i { color: var(--cs-accent-credit); }
    .tailor .cs-features-list i { color: var(--cs-accent-tailor); }

    .cs-results-list {
        list-style: none;
        padding: 0;
        margin: 0 0 30px 0;
    }
    .cs-results-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--cs-secondary);
        margin-bottom: 12px;
    }
    .cs-results-list i { color: var(--cs-success); font-size: 1.2rem; }

    /* --- VIDEO TESTIMONIALS --- */
    .cs-videos {
        padding: 100px 0;
        background: var(--cs-secondary);
        color: white;
    }
    .cs-videos .cs-section-title { color: white; }
    .cs-videos .cs-section-desc { color: #94a3b8; }

    .cs-video-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }
    
    .cs-video-card {
        background: rgba(255,255,255,0.05);
        border-radius: 16px;
        padding: 20px;
        border: 1px solid rgba(255,255,255,0.1);
        transition: 0.3s;
    }
    .cs-video-card:hover {
        background: rgba(255,255,255,0.1);
        transform: translateY(-5px);
    }
    
    .cs-video-thumb {
        position: relative;
        border-radius: 12px;
        overflow: hidden;
        aspect-ratio: 16/9;
        margin-bottom: 20px;
        cursor: pointer;
    }
    .cs-video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
    .cs-video-card:hover .cs-video-thumb img { transform: scale(1.05); }
    
    .cs-video-play-small {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 50px;
        height: 50px;
        background: rgba(255,255,255,0.9);
        color: var(--cs-secondary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        padding-left: 3px;
        transition: 0.3s;
    }
    .cs-video-card:hover .cs-video-play-small { background: white; color: var(--cs-primary); transform: translate(-50%, -50%) scale(1.1); }

    .cs-video-info { display: flex; align-items: center; gap: 15px; }
    .cs-video-info img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
    .cs-video-info h4 { font-size: 1rem; margin: 0 0 2px 0; color: white; }
    .cs-video-info span { font-size: 0.8rem; color: #94a3b8; }

    /* --- REVIEWS GRID --- */
    .cs-reviews {
        padding: 100px 0;
        background: var(--cs-bg-light);
    }
    
    .cs-reviews-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 30px;
    }

    .cs-review-card {
        background: white;
        padding: 40px 30px;
        border-radius: 16px;
        border: 1px solid var(--cs-border);
        box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
    }
    
    .cs-stars { color: #F59E0B; font-size: 1.2rem; margin-bottom: 20px; display: flex; gap: 5px; }
    
    .cs-review-text {
        font-size: 1.1rem;
        color: var(--cs-secondary);
        font-weight: 500;
        font-style: italic;
        margin-bottom: 30px;
        line-height: 1.6;
    }

    /* --- CTA SECTION --- */
    .cs-cta {
        padding: 100px 0;
        text-align: center;
        background: linear-gradient(135deg, #0F172A 0%, #1e293b 100%);
        color: white;
    }
    .cs-cta h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 20px; color: white; }
    .cs-cta p { font-size: 1.15rem; color: #cbd5e1; margin-bottom: 40px; }

    /* --- RESPONSIVE --- */
    @media (max-width: 991px) {
        .cs-hero h1 { font-size: 2.5rem; }
        .cs-story-card { grid-template-columns: 1fr; gap: 40px; }
        .cs-story-card.reverse .cs-story-visual { order: -1; } /* Keep image on top for mobile */
        .cs-features-list { grid-template-columns: 1fr; }
    }

    @media (max-width: 640px) {
        .cs-hero { padding: 100px 0 60px; }
        .cs-section-title { font-size: 2rem; }
        .cs-customer-badge { bottom: 10px; left: 10px; padding: 10px 15px; }
    }