/* Testosil Website Styles */

/* Focus Management for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(255, 0, 0, 0.2);
}

.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
    /* Larger touch targets */
    .btn {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 24px;
    }

    .nav-link {
        padding: 12px 16px;
        margin: 4px 0;
    }

    /* Better text scaling */
    .fold-content h1 {
        font-size: clamp(2rem, 8vw, 3rem);
        line-height: 1.1;
    }

    .fold-content ul li {
        font-size: clamp(1rem, 4vw, 1.3rem);
    }

    /* Improved spacing */
    .container {
        padding: 0 var(--spacing-lg);
    }

    .section {
        padding: var(--spacing-xxl) 0;
    }

    /* Better card layouts */
    .card {
        margin-bottom: var(--spacing-lg);
    }

    /* Enhanced testimonial layout */
    .testimonial-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .testimonial-photo {
        align-self: center;
    }
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

/* CSS Custom Properties */
:root {
    /* Colors - Enhanced for Better Contrast */
    --primary-color: #ff0000;
    --primary-hover: #cc0000;
    --primary-light: #ff3333;
    --primary-dark: #cc0000;
    --secondary-color: #007bff;
    --secondary-hover: #0056b3;
    --success-color: #28a745;
    --success-hover: #1e7e34;
    --warning-color: #ffc107;
    --danger-color: #dc3545;

    /* Background Colors */
    --dark-bg: #1a1a1a;
    --darker-bg: #0f0f0f;
    --card-bg: #2d2d2d;
    --card-bg-light: #3a3a3a;
    --light-bg: #f8f9fa;
    --white-bg: #ffffff;

    /* Text Colors - Improved Contrast */
    --text-light: #ffffff;
    --text-light-muted: #f0f0f0;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --text-gray: #495057;
    --text-gray-light: #868e96;
    --text-accent: #ff4444;

    /* Border Colors */
    --border-light: #dee2e6;
    --border-medium: #adb5bd;
    --border-dark: #444444;
    --border-darker: #333333;

    /* Focus and Interactive Colors */
    --focus-color: #4dabf7;
    --focus-shadow: rgba(77, 171, 247, 0.25);
    --link-color: #4dabf7;
    --link-hover: #339af0;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-sm: 0.8rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.2rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-hero: 3.5rem;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 15px;
    --border-radius-sm: 25px;
    --border-radius-lg: 30px;

    /* Shadows */
    --shadow-sm: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.3);

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.6s ease;
    --transition-slow: 0.9s ease;

    /* Typography Scale - Enhanced Hierarchy */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Visual Hierarchy - Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;

    /* Enhanced Shadows for Depth */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-hover) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    --gradient-light: linear-gradient(135deg, var(--light-bg) 0%, var(--white-bg) 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--gradient-dark);
    color: var(--text-light);
    line-height: var(--line-height-normal);
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Header Styles */
#above-header-widget-area {
    background: var(--darker-bg);
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
}

.above-header .row {
    align-items: center;
}

.ah-1 {
    margin: 0;
    color: #fff;
}

.ah-2 {
    margin: 0;
    color: #fff;
}

.highlight {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Navigation Styles */
.site-header {
    background: rgba(0, 0, 0, 0.9);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.logo-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-branding img {
    max-height: 60px;
}

.site-description {
    font-size: var(--font-size-sm);
    color: var(--text-light-muted);
    margin: var(--spacing-xs) 0 0 0;
    font-weight: var(--font-weight-medium);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-fast);
}

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

/* Hero Section */
.fold-content {
    padding: var(--spacing-xxl) 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.92) 0%, rgba(45, 45, 45, 0.85) 100%), url('../images/product/fold-bg.png') center/cover no-repeat;
}

.fold-content h1 {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-xxl);
    line-height: var(--line-height-tight);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.fold-content h1 .highlight {
    color: var(--primary-color);
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.fold-content ul {
    list-style: none;
    padding: 0;
    margin: 50px 0;
}

.fold-content ul li {
    font-size: var(--font-size-xl);
    margin: var(--spacing-lg) 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-relaxed);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.fold-content ul li .highlight {
    color: var(--primary-color);
    margin-right: var(--spacing-md);
    background: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.product-image {
    max-width: 400px;
    margin: var(--spacing-xxl) auto;
    filter: drop-shadow(0 10px 30px rgba(255, 0, 0, 0.3));
    border-radius: var(--border-radius);
    transition: all var(--transition-medium);
}

.product-image:hover {
    transform: scale(1.05) rotate(1deg);
    filter: drop-shadow(0 15px 40px rgba(255, 0, 0, 0.4));
}

.order-wrap {
    margin: var(--spacing-xxl) 0;
}

.order-wrap .btn {
    font-size: 1.3rem;
    padding: var(--spacing-lg) var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-hover));
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.order-wrap .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.6);
}

.disclaimer {
    font-size: var(--font-size-sm);
    color: var(--text-light-muted);
    margin-top: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
}

/* Product Packages Section */
#cart-packages {
    background: var(--light-bg);
    color: var(--text-dark);
}

#cart-packages h2 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xxl);
}

.card {
    transition: var(--transition-fast);
    border: 2px solid var(--border-light);
    background: var(--white-bg);
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
    font-size: var(--font-size-xl);
}

.card .btn {
    margin-top: auto;
}

/* FAQ Section */
#faq {
    background: var(--dark-bg);
    color: var(--text-light);
}

#faq h2 {
    margin-bottom: var(--spacing-xxl);
}

.accordion .card {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    margin-bottom: var(--spacing-sm);
}

.accordion .card-header {
    background: transparent;
    border-bottom: none;
}

.accordion .btn-link {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
}

.accordion .btn-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.accordion .card-body {
    color: var(--text-muted);
    background: var(--card-bg-light);
    border-top: 1px solid var(--border-dark);
}

/* Footer */
footer {
    background: var(--darker-bg);
    color: var(--text-light);
    text-align: center;
}

footer p {
    margin: var(--spacing-md) 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .fold-content h1 {
        font-size: 2.5rem;
    }

    .fold-content ul li {
        font-size: 1.2rem;
    }

    .navbar-nav {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }

    .logo-area {
        flex-direction: column;
        gap: 15px;
    }

    .product-image {
        max-width: 300px;
    }

    .order-wrap .btn {
        font-size: 1.1rem;
        padding: 15px 30px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }

    .fold-content {
        padding: 50px 0;
    }

    .fold-content h1 {
        font-size: 2rem;
    }

    .fold-content ul li {
        font-size: 1rem;
    }

    .product-image {
        max-width: 250px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-medium);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-up {
    transform: translateY(50px);
    opacity: 0;
    transition: var(--transition-medium);
}

.slide-up.visible {
    transform: translateY(0);
    opacity: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Enhanced Loading States and Micro-interactions */
.loading {
    position: relative;
    overflow: hidden;
    cursor: not-allowed;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading-shimmer 1.5s infinite;
}

.btn-loading {
    pointer-events: none;
    opacity: 0.8;
    transform: scale(0.98);
    transition: all 0.2s ease;
}

@keyframes loading-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Ripple Effect */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

/* Enhanced Button States */
.btn {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
    transform-origin: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0) scale(0.98);
    transition: all 0.1s ease;
}

/* Skeleton Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--card-bg-light) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius);
}

.skeleton-text {
    height: 1.2em;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-image {
    height: 200px;
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.skeleton-button {
    height: 40px;
    width: 120px;
    border-radius: var(--border-radius-sm);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Page Loading Overlay */
.page-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    opacity: 1;
    transition: opacity 0.5s ease;
}

.page-loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.page-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-dark);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced Form Interactions */
.form-control {
    transition: all var(--transition-fast);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
    outline: none;
    transform: translateY(-1px);
}

.form-control:hover {
    border-color: var(--border-medium);
}

/* Enhanced Card Interactions */
.card {
    transition: all var(--transition-fast);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* Floating Labels */
.form-group {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.form-group .form-control {
    padding-top: 1.5rem;
}

.form-group label {
    position: absolute;
    top: 0.75rem;
    left: 1rem;
    font-size: var(--font-size-base);
    color: var(--text-gray);
    transition: all var(--transition-fast);
    pointer-events: none;
    background: var(--white-bg);
    padding: 0 var(--spacing-xs);
}

.form-group .form-control:focus + label,
.form-group .form-control:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
}

/* Enhanced Navigation Interactions */
.nav-link {
    position: relative;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    transform: translateY(-2px);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::before {
    width: 100%;
}

/* Micro-interactions for testimonials */
.testimonial-block {
    transition: all var(--transition-medium);
}

.testimonial-block:hover {
    transform: translateY(-4px) scale(1.02);
}

.testimonial-photo {
    transition: all var(--transition-fast);
}

.testimonial-block:hover .testimonial-photo {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* Enhanced FAQ Interactions */
.accordion .btn-link {
    transition: all var(--transition-fast);
    position: relative;
}

.accordion .btn-link:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.accordion .btn-link::after {
    content: '+';
    position: absolute;
    right: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.accordion .btn-link[aria-expanded="true"]::after {
    content: '−';
    transform: rotate(180deg);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced focus indicators */
*:focus-visible {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Loading state for images */
img {
    transition: opacity var(--transition-fast);
}

img.loading {
    opacity: 0.3;
    filter: blur(2px);
}

/* Enhanced mobile touch feedback */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .card,
    .nav-link {
        transition: all 0.1s ease;
    }

    .btn:active {
        transform: scale(0.95);
        background-color: var(--primary-hover);
    }

    .card:active {
        transform: scale(0.98);
    }
}

/* Success State Animation */
.btn-success {
    background: var(--success-color) !important;
    border-color: var(--success-color) !important;
    animation: success-pulse 0.6s ease;
}

@keyframes success-pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Button Pulse Animation */
.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 0, 0, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 0, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 0, 0, 0);
    }
}

/* Enhanced Mobile Menu Styles */
.navbar-collapse {
    transition: transform 0.3s ease, opacity 0.3s ease;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    max-height: 400px;
    background: #2d2d2d;
    z-index: 999;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    border-radius: 0 0 15px 15px;
    transform: translateY(-100%);
    opacity: 0;
}

.navbar-collapse:not(.show) {
    transform: translateY(-100%);
    opacity: 0;
}

.navbar-collapse.show {
    transform: translateY(0);
    opacity: 1;
    box-shadow: 0 8px 25px rgba(0,0,0,0.5);
    border: 2px solid var(--primary-color);
}

.navbar-collapse.show::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.5);
    z-index: -1;
}

/* Enhanced mobile menu item styling */
.navbar-collapse .navbar-nav {
    background: transparent;
    padding: 10px 0;
    margin: 0;
    list-style: none;
}

.navbar-collapse .nav-item {
    margin: 0;
    padding: 0;
}

.navbar-collapse .nav-link {
    display: block;
    padding: 18px 25px;
    margin: 8px 0;
    color: #ffffff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.08);
    border-left: 4px solid transparent;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

.navbar-collapse .nav-link:hover,
.navbar-collapse .nav-link:focus {
    background: rgba(255,0,0,0.15) !important;
    border-left-color: #ff0000 !important;
    color: #ff0000 !important;
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(255,0,0,0.2);
}

/* Image Lazy Loading Styles */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Reading Progress Bar Styles */
.progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #ff0000, #ff4444);
    width: 0%;
    transition: width 0.1s ease;
}

/* Enhanced Testimonial Animations */
.testimonial-block {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.testimonial-block.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Animation for Multiple Testimonials */
.testimonial-block:nth-child(1) { transition-delay: 0.1s; }
.testimonial-block:nth-child(2) { transition-delay: 0.2s; }
.testimonial-block:nth-child(3) { transition-delay: 0.3s; }

/* Enhanced Button Animations */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* Enhanced FAQ Animations */
.faq .card:hover {
    box-shadow: 0 5px 20px rgba(255, 0, 0, 0.1);
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    .navbar-collapse {
        max-height: 350px;
        padding: 15px;
    }

    .navbar-collapse.show::before {
        /* Full screen overlay for top menu */
    }

    .testimonial-block {
        margin-bottom: 30px;
    }

    .card {
        margin-bottom: 20px;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .progress-bar-container, .modal {
        display: none !important;
    }

    .card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }

    .testimonial-block {
        page-break-inside: avoid;
    }
}/* Additional media & trust styling */
.as-seen-on {
    background: rgba(0, 0, 0, 0.85);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.as-seen-on .section-eyebrow {
    color: #ff4444;
    letter-spacing: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.as-seen-on .logo-strip {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
}

.as-seen-on .logo-strip img {
    max-height: 42px;
    width: auto;
    opacity: 0.95;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.as-seen-on .logo-strip img:hover {
    transform: scale(1.05);
    opacity: 1;
}

.how-it-works {
    background: #f8f9fa;
}

.how-it-works .step-image {
    max-width: 220px;
    width: 100%;
    margin: 0 auto 20px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.how-it-works .step-title {
    color: #ff0000;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.how-it-works .step-copy {
    color: #555;
    font-size: 0.95rem;
}

.research-highlights .highlight-card {
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 35px rgba(0,0,0,0.08);
    padding: 25px;
    height: 100%;
}

.research-highlights img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 20px;
}

.research-highlights .stat {
    color: #ff0000;
    font-weight: 700;
    font-size: 1.25rem;
}

.quality-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.quality-badges img {
    max-height: 70px;
    width: auto;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-photo {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.testimonial-quote-icon {
    width: 48px;
    height: auto;
}

.testimonial-name {
    color: #ff0000;
    font-weight: 700;
    text-align: right;
    margin-top: 20px;
}

.guarantee-image {
    max-width: 320px;
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 45px rgba(0,0,0,0.2);
    margin: 0 auto 25px;
}

.signup-banner {
    background: rgba(17, 17, 17, 0.95);
    border-radius: 18px;
    padding: 35px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.35);
}

.signup-banner img {
    max-width: 340px;
    width: 100%;
}

.supplement-facts img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 45px rgba(0,0,0,0.12);
}

.payment-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
}

.payment-logos img {
    max-height: 34px;
    width: auto;
    filter: grayscale(20%);
    transition: transform 0.3s ease;
}

.payment-logos img:hover {
    transform: translateY(-3px);
    filter: none;
}

/* Header CTA styling */
.nav-area {
    column-gap: 20px;
}

.order-now-cta {
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.1) 0%, rgba(255, 0, 0, 0.02) 100%);
    border-radius: 18px;
    padding: 35px 25px;
    margin: 0 auto 40px;
    max-width: 720px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.18);
}

.order-now-cta .btn {
    padding: 14px 40px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 1px;
}

@media (max-width: 767.98px) {
    .as-seen-on .logo-strip img {
        max-height: 32px;
    }

    .testimonials .card {
        text-align: left;
    }

    .testimonial-header {
        flex-direction: row;
    }

    .order-now-cta {
        padding: 25px 18px;
        margin-bottom: 30px;
    }

    .order-now-cta .btn {
        width: 100%;
    }
}