/* Browser Compatibility and Fallbacks */

/* CSS Variables fallbacks for older browsers */
:root {
    /* Ensure all variables have fallback values */
    --primary-gradient: linear-gradient(90deg, #00FFA8, #00C0FF);
    --accent-color: #00FFA8;
    --secondary-color: #00C0FF;
    --bg-primary: #0a0e17;
    --bg-secondary: #0d121e;
    --bg-light: #1a2130;
    --text-primary: #ffffff;
    --text-secondary: #b0b7c3;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.05);
}

/* Flexbox fallbacks */
.cta-buttons {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 15px;
}

/* Grid fallbacks for older browsers */
@supports not (display: grid) {

    .benefits-grid,
    .testimonials-grid {
        display: block;
    }

    .benefit-card,
    .testimonial-card {
        display: inline-block;
        width: 100%;
        max-width: 300px;
        margin: 15px;
        vertical-align: top;
    }

    @media (min-width: 768px) {

        .benefit-card,
        .testimonial-card {
            width: calc(50% - 30px);
        }
    }

    @media (min-width: 1024px) {

        .benefit-card,
        .testimonial-card {
            width: calc(33.333% - 30px);
        }
    }
}

/* Transform fallbacks */
.btn-primary {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

/* Background-clip fallbacks for gradient text */
h1 {
    background: -webkit-linear-gradient(90deg, #00FFA8, #00C0FF);
    background: -moz-linear-gradient(90deg, #00FFA8, #00C0FF);
    background: -ms-linear-gradient(90deg, #00FFA8, #00C0FF);
    background: -o-linear-gradient(90deg, #00FFA8, #00C0FF);
    background: linear-gradient(90deg, #00FFA8, #00C0FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Alternative theme h1 fallbacks */
body.theme-alt h1 {
    background: -webkit-linear-gradient(90deg, #FF6B6B, #FFD166);
    background: -moz-linear-gradient(90deg, #FF6B6B, #FFD166);
    background: -ms-linear-gradient(90deg, #FF6B6B, #FFD166);
    background: -o-linear-gradient(90deg, #FF6B6B, #FFD166);
    background: linear-gradient(90deg, #FF6B6B, #FFD166);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Fallback for browsers that don't support background-clip */
@supports not (-webkit-background-clip: text) {
    h1 {
        color: #00FFA8;
        background: none;
    }

    body.theme-alt h1 {
        color: #FF6B6B;
        background: none;
    }
}

/* Border-radius fallbacks */
.form-container,
.benefit-card,
.testimonial-card,
.faq-item,
.btn-primary,
.btn-secondary {
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
}

/* Box-shadow fallbacks */
.form-container,
.benefit-card,
.testimonial-card {
    -webkit-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    -moz-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Opacity fallbacks for IE8 */
.hero::before {
    opacity: 0.3;
    filter: alpha(opacity=30);
}

/* Ensure minimum font sizes for readability */
body {
    font-size: 16px;
    line-height: 1.6;
}

/* Ensure buttons are accessible */
.btn-primary,
.btn-secondary,
button {
    min-height: 44px;
    min-width: 44px;
    cursor: pointer;
}

/* Focus styles for accessibility */
.btn-primary:focus,
.btn-secondary:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #00FFA8;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid #ffffff;
    }

    .form-message {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .btn-primary:hover {
        transform: none;
    }
}

/* Print styles */
@media print {

    .hero::before,
    .theme-toggle,
    .btn-primary,
    .btn-secondary {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .container {
        max-width: none !important;
        padding: 0 !important;
    }
}

/* Internet Explorer specific fixes */
@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {

    .benefits-grid,
    .testimonials-grid {
        display: block;
    }

    .benefit-card,
    .testimonial-card {
        display: inline-block;
        width: 300px;
        margin: 15px;
        vertical-align: top;
    }
}