:root {
            --primary-color: #4f46e5;
            --secondary-color: #0ea5e9;
            --bg-light: #f1f5f9;
            --text-dark: #1e293b;
            --material-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --material-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04)
        }

        body {
            font-family: 'Vazirmatn', sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            overflow-x: hidden
        }

        .navbar {
            background: rgba(255, 255, 255, 0.85) !important;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            transition: all .3s ease
        }

        .navbar-brand {
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent
        }

        .nav-link {
            font-weight: 500;
            position: relative
        }

        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            right: 0;
            background-color: var(--primary-color);
            transition: width .3s
        }

        .nav-link:hover::after {
            width: 100%
        }

        .btn-modern {
            border-radius: 50px;
            padding: 12px 28px;
            font-weight: 700;
            transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
            text-transform: uppercase;
            letter-spacing: .5px
        }

        .btn-gradient {
            background: linear-gradient(135deg, var(--primary-color) 0, var(--secondary-color) 100%);
            color: white;
            border: 0;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4)
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(79, 70, 229, 0.5);
            color: white
        }

        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #1e1b4b 0, #4338ca 100%);
            color: white;
            padding: 140px 0 100px;
            text-align: center;
            overflow: hidden
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0, transparent 60%);
            animation: rotate 60s linear infinite
        }

        @keyframes rotate {
            100% {
                transform: rotate(360deg)
            }
        }

        .hero-title {
            font-weight: 900;
            font-size: 3.5rem;
            margin-bottom: 24px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2)
        }

        .custom-shape-divider-bottom {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            overflow: hidden;
            line-height: 0;
            transform: rotate(180deg)
        }

        .custom-shape-divider-bottom svg {
            position: relative;
            display: block;
            width: calc(100% + 1.3px);
            height: 70px
        }

        .custom-shape-divider-bottom .shape-fill {
            fill: var(--bg-light)
        }

        .material-card {
            background: #fff;
            border-radius: 20px;
            border: 0;
            box-shadow: var(--material-shadow);
            transition: all .4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
            z-index: 1
        }

        .material-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--material-shadow-hover)
        }

        .material-card::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transform-origin: right;
            transition: transform .4s ease;
            z-index: -1
        }

        .material-card:hover::before {
            transform: scaleX(1);
            transform-origin: left
        }

        .feature-icon-wrapper {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(79, 70, 229, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color)
        }

        .material-chip {
            background-color: #f1f5f9;
            border: 1px solid #e2e8f0;
            border-radius: 50px;
            padding: 8px 18px;
            display: inline-flex;
            align-items: center;
            margin: 6px;
            font-weight: 600;
            color: #475569;
            transition: all .2s;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05)
        }

        .material-chip i {
            color: #f59e0b;
            margin-left: 8px;
            font-size: 1.1rem
        }

        .material-chip:hover {
            background-color: #fff;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px)
        }

        .access-card {
            border: 2px solid transparent;
            background-clip: padding-box
        }

        .access-card.cloud-version {
            border-color: rgba(14, 165, 233, 0.3);
            background: linear-gradient(to bottom, #fff, #f0f9ff)
        }

        .donate-card {
            background: linear-gradient(135deg, #fef3c7 0, #fde68a 100%);
            color: #92400e
        }

        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 40px 0;
            text-align: center;
            border-top: 4px solid var(--primary-color)
        }

/* Pricing Plans */
.pricing-section {
    position: relative;
    background: var(--bg-light);
}

.pricing-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 50px;
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.1);
    font-size: .9rem;
    font-weight: 700;
}

.pricing-title {
    color: var(--text-dark);
    font-size: 2.5rem;
    font-weight: 900;
}

.pricing-subtitle {
    max-width: 650px;
    color: #64748b;
    line-height: 2;
}

.billing-toggle {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 50px;
    background: #fff;
    box-shadow: var(--material-shadow);
}

.billing-label {
    color: #64748b;
    font-size: .9rem;
    font-weight: 600;
}

.billing-label.active {
    color: var(--primary-color);
}

.billing-label small {
    display: inline-block;
    margin-right: 5px;
    padding: 3px 8px;
    border-radius: 20px;
    color: #047857;
    background: #d1fae5;
    font-size: .7rem;
}

.pricing-switch {
    width: 3rem !important;
    height: 1.5rem;
    cursor: pointer;
    background-color: #cbd5e1;
    border-color: #cbd5e1;
}

.pricing-switch:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.pricing-card {
    min-height: 560px;
}

.pricing-card-popular {
    border: 2px solid var(--primary-color);
    transform: translateY(-12px);
}

.pricing-card-popular:hover {
    transform: translateY(-20px);
}

.popular-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -1px);
    width: 80%;
    padding: 8px;
    border-radius: 0 0 18px 18px;
    color: #fff;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--secondary-color)
    );
    text-align: center;
    font-size: .8rem;
    font-weight: 700;
}

.pricing-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 16px 0 20px;
    border-radius: 18px;
    font-size: 1.8rem;
}

.free-icon {
    color: #64748b;
    background: #f1f5f9;
}

.pro-icon {
    color: #4f46e5;
    background: #eef2ff;
}

.team-icon {
    color: #0284c7;
    background: #e0f2fe;
}

.enterprise-icon {
    color: #b45309;
    background: #fef3c7;
}

.pricing-plan-title {
    margin-bottom: 12px;
    color: var(--text-dark);
    font-size: 1.35rem;
    font-weight: 900;
}

.pricing-plan-description {
    min-height: 72px;
    color: #64748b;
    font-size: .88rem;
    line-height: 1.9;
```css
.pricing-plan-description {
    min-height: 72px;
    color: #64748b;
    font-size: .88rem;
    line-height: 1.9;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    min-height: 58px;
    margin-top: 18px;
    color: var(--text-dark);
}

.price-value {
    font-size: 2rem;
    font-weight: 900;
}

.price-unit {
    color: #64748b;
    font-size: .8rem;
    font-weight: 600;
}

.price-caption {
    min-height: 28px;
    margin-bottom: 20px;
    color: #94a3b8;
    font-size: .78rem;
}

.pricing-features {
    border-top: 1px solid #e2e8f0;
    padding-top: 22px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 14px;
    color: #475569;
    font-size: .87rem;
}

.pricing-features i {
    color: #10b981;
    font-size: 1rem;
}

.pricing-note {
    color: #64748b;
    font-size: .88rem;
}

.pricing-note i {
    color: #10b981;
    font-size: 1.1rem;
}

@media (max-width: 991.98px) {
    .pricing-card-popular,
    .pricing-card-popular:hover {
        transform: none;
    }

    .pricing-title {
        font-size: 2rem;
    }
}

@media (max-width: 575.98px) {
    .billing-toggle {
        padding: 8px 12px;
    }

    .billing-label {
        font-size: .78rem;
    }

    .billing-label small {
        display: block;
        margin: 3px 0 0;
        text-align: center;
    }

    .pricing-card {
        min-height: auto;
    }
}