/* --- BRANDING & VARIABLES --- */
    :root {
        --app-primary: #2563EB; /* AiPSoft Blue */
        --app-primary-dark: #1d4ed8;
        --app-secondary: #0F172A; /* Deep Navy */
        --app-bg-light: #F8FAFC;
        --app-bg-gray: #F1F5F9;
        --app-text-main: #1E293B;
        --app-text-muted: #64748b;
        --app-border: #E2E8F0;
        --app-success: #10B981;
        --app-accent: #8B5CF6; /* Purple for apps */
    }

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

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

    /* --- HERO SECTION --- */
    .app-hero {
        padding: 140px 0 80px;
        background: radial-gradient(circle at top right, #eff6ff 0%, #ffffff 60%);
        border-bottom: 1px solid var(--app-border);
        position: relative;
        overflow: hidden;
    }

    .app-hero-bg {
        position: absolute;
        inset: 0;
        background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
        background-size: 40px 40px;
        opacity: 0.3;
        z-index: 0;
        mask-image: radial-gradient(circle at center top, black, transparent 70%);
        -webkit-mask-image: radial-gradient(circle at center top, black, transparent 70%);
    }

    .app-hero-content {
        text-align: center;
        max-width: 850px;
        margin: 0 auto;
        position: relative;
        z-index: 2;
    }

    .app-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #dbeafe;
        color: var(--app-primary);
        padding: 8px 20px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 24px;
        border: 1px solid #bfdbfe;
    }

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

    .app-hero p.subtitle {
        font-size: 1.25rem;
        color: var(--app-text-muted);
        margin-bottom: 20px;
    }

    .app-hero p.intro {
        font-size: 1.05rem;
        color: var(--app-text-main);
        max-width: 700px;
        margin: 0 auto;
    }

    /* --- APP SHOWCASE SECTIONS (ZIG-ZAG) --- */
    .app-showcase {
        padding: 100px 0;
        background: #fff;
    }
    .app-showcase.bg-gray {
        background: var(--app-bg-gray);
    }

    .app-row {
        display: flex;
        align-items: center;
        gap: 60px;
    }
    .app-row.reverse {
        flex-direction: row-reverse;
    }

    /* Visual Side */
    .app-visual {
        flex: 1;
        position: relative;
        display: flex;
        justify-content: center;
    }
    .app-visual-bg {
        position: absolute;
        width: 80%;
        height: 80%;
        background: #e0e7ff;
        border-radius: 50%;
        filter: blur(60px);
        z-index: 0;
        top: 10%;
        left: 10%;
    }
    .app-visual img.main-device {
        position: relative;
        z-index: 2;
        width: 100%;
        max-width: 390px; /* Phone size */
        border-radius: 40px;
        box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
        border: 8px solid #fff;
    }
    .app-visual.tablet img.main-device {
        max-width: 600px;
        border-radius: 24px;
        border-width: 12px;
    }
    .app-visual img.accessory {
        position: absolute;
        z-index: 3;
        bottom: -20px;
        right: 10%;
        width: 200px;
        border-radius: 12px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }

    /* Content Side */
    .app-content {
        flex: 1.2;
    }

    .app-logo-box {
        width: 64px;
        height: 64px;
        background: white;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2rem;
        color: var(--app-primary);
        box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        border: 1px solid var(--app-border);
        margin-bottom: 20px;
    }
    
    .app-content h2 {
        font-size: 2.5rem;
        font-weight: 800;
        color: var(--app-secondary);
        margin-bottom: 10px;
        line-height: 1.2;
    }
    .app-content h3 {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--app-primary);
        margin-bottom: 20px;
    }
    .app-content p.desc {
        font-size: 1.1rem;
        color: var(--app-text-muted);
        margin-bottom: 30px;
        line-height: 1.7;
    }

    /* Features List */
    .app-features {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 15px;
        margin-bottom: 30px;
        list-style: none;
        padding: 0;
    }
    .app-features li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-weight: 500;
        font-size: 0.95rem;
        color: var(--app-text-main);
    }
    .app-features i {
        color: var(--app-success);
        margin-top: 4px;
    }

    /* Perfect For Tags */
    .app-tags-wrapper {
        margin-bottom: 35px;
    }
    .app-tags-title {
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        color: var(--app-text-muted);
        margin-bottom: 10px;
        letter-spacing: 1px;
    }
    .app-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .app-tag {
        background: white;
        border: 1px solid var(--app-border);
        padding: 6px 14px;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--app-secondary);
    }

    /* --- STORE BUTTONS --- */
    .app-actions {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 15px;
    }

    .store-btn {
        display: flex;
        align-items: center;
        gap: 10px;
        background: #000;
        color: #fff !important;
        padding: 10px 20px;
        border-radius: 12px;
        text-decoration: none;
        transition: transform 0.2s, box-shadow 0.2s;
    }
    .store-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }
    .store-btn i { font-size: 1.8rem; }
    .store-btn-text { display: flex; flex-direction: column; line-height: 1; }
    .store-btn-text small { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.8; }
    .store-btn-text strong { font-size: 1.1rem; font-weight: 600; }
    
    .store-btn.google-play { background: #000; }
    .store-btn.app-store { background: #000; }
    
    .btn-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        color: var(--app-primary);
        text-decoration: none;
        padding: 10px 15px;
        border-radius: 8px;
        transition: 0.2s;
    }
    .btn-link:hover {
        background: #eff6ff;
        gap: 12px;
    }
    
    .btn-coming-soon {
        background: #f1f5f9;
        color: var(--app-text-muted);
        padding: 10px 20px;
        border-radius: 12px;
        font-weight: 600;
        font-size: 0.9rem;
        border: 1px dashed var(--app-border);
        cursor: not-allowed;
    }

    /* --- FINAL CTA --- */
    .app-cta-section {
        padding: 100px 0;
        text-align: center;
        background: var(--app-secondary);
        color: white;
        position: relative;
        overflow: hidden;
    }
    .app-cta-bg {
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at center, rgba(37, 99, 235, 0.2) 0%, transparent 60%);
    }
    .app-cta-content {
        position: relative;
        z-index: 2;
    }
    .app-cta-section h2 {
        font-size: 3rem;
        font-weight: 800;
        margin-bottom: 20px;
        color: white;
    }
    .app-cta-section p {
        font-size: 1.2rem;
        color: #94a3b8;
        max-width: 600px;
        margin: 0 auto 40px;
    }

    .btn-solid-primary {
        background: var(--app-primary);
        color: white !important;
        padding: 16px 36px;
        border-radius: 50px;
        font-weight: 700;
        text-decoration: none;
        font-size: 1.1rem;
        transition: 0.3s;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        border: none;
    }
    .btn-solid-primary:hover { background: var(--app-primary-dark); transform: translateY(-3px); box-shadow: 0 15px 30px rgba(37,99,235,0.4); }
    
    .btn-solid-white {
        background: white;
        color: var(--app-secondary) !important;
        padding: 16px 36px;
        border-radius: 50px;
        font-weight: 700;
        text-decoration: none;
        font-size: 1.1rem;
        transition: 0.3s;
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }
    .btn-solid-white:hover { background: #f8fafc; transform: translateY(-3px); box-shadow: 0 15px 30px rgba(0,0,0,0.2); }

    /* --- RESPONSIVE --- */
    @media (max-width: 991px) {
        .app-row, .app-row.reverse { flex-direction: column; text-align: center; }
        .app-hero h1 { font-size: 2.75rem; }
        .app-features { grid-template-columns: 1fr; text-align: left; display: inline-grid; margin: 0 auto 30px; }
        .app-tags { justify-content: center; }
        .app-actions { justify-content: center; }
        .app-logo-box { margin: 0 auto 20px; }
        
        .app-visual.tablet img.main-device { max-width: 100%; }
        .app-visual img.accessory { width: 140px; right: 0; bottom: -10px; }
    }

    @media (max-width: 640px) {
        .app-hero h1 { font-size: 2.25rem; }
        .app-content h2 { font-size: 2rem; }
        .app-hero { padding-bottom: 60px; }
    }