/* 
   AudiFort Review Page Styles
   Based on official branding: https://audifort.com/d/order-now.php
*/

@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Open+Sans:wght@400;600;700&display=swap');

:root {
    /* Branding Colors */
    --color-primary: #002A31;
    /* Navy Blue */
    --color-secondary: #004d57;
    --color-accent: #32CD32;
    --color-accent-hover: #28a428;
    --color-text-main: #333333;
    --color-text-light: #666666;
    --color-bg-light: #F9F9F9;
    --color-bg-white: #FFFFFF;
    --color-border: #E0E0E0;
    --color-success: #28a745;
    --color-danger: #dc3545;

    /* Fonts */
    --font-body: 'Open Sans', sans-serif;
    --font-heading: 'Merriweather', serif;
    /* Editorial Serif */

    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --border-radius: 8px;
    --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
    /* Stronger shadow for Paper Card */
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: #eef2f6;
    /* Darker Blue-Grey */
    line-height: 1.6;
    font-size: 16px;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.2rem;
    font-weight: 900;
    /* Heavier for headline */
}

h2 {
    font-size: 1.8rem;
    margin-top: var(--spacing-md);
}

h3 {
    font-size: 1.4rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

blockquote {
    background: #fff9c4;
    border-left: 5px solid var(--color-primary);
    padding: 1.5rem;
    margin: var(--spacing-md) 0;
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-text-main);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Layout Grid */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (min-width: 992px) {
    .main-grid {
        grid-template-columns: 2fr 1fr;
        /* 2/3 Content, 1/3 Sidebar */
    }
}

@media (max-width: 991px) {
    .main-grid {
        display: block;
    }

    .content-column {
        width: 100% !important;
        max-width: 100%;
        padding-right: 0;
        margin-bottom: var(--spacing-md);
    }

    background: var(--color-bg-white);
    /* Pure White */
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border-top: 5px solid var(--color-primary);
    /* Top Border Finish */
}

/* Hero Section */
.hero-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.author-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

/* Trust Bar */
.trust-bar {
    background-color: var(--color-bg-light);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.trust-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-size: 1.1rem;
    color: #555;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-subtle);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--color-primary);
    /* Dark Header */
    color: white;
    /* White Text */
    font-family: var(--font-heading);
}

.comparison-table th.highlight {
    background: var(--color-primary);
    color: white;
    position: relative;
    border-bottom: 3px solid var(--color-accent);
    /* Highlight the column */
}

.comparison-table th.highlight::after {
    content: 'RECOMMENDED';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: white;
    font-size: 0.6rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: bold;
}

.comparison-table tr:nth-child(even) {
    background: #f9f9f9;
    /* Zebra Striping */
}

.comparison-table td.check {
    color: var(--color-success);
    font-size: 1.2rem;
}

.comparison-table td.cross {
    color: var(--color-text-light);
    font-size: 1.2rem;
}

.comparison-table td.price-high {
    color: var(--color-danger);
    font-weight: bold;
}

.comparison-table td.price-low {
    color: var(--color-success);
    font-weight: bold;
}

/* Warning Signs Checklist */
.warning-signs {
    background-color: #fffde7;
    /* Pale Yellow */
    padding: 20px;
    margin: var(--spacing-md) 0;
    border-left: 4px solid #ff9800;
    /* Orange Alert */
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    box-shadow: var(--shadow-subtle);
}

.warning-signs h2 {
    margin-top: 0;
    font-size: 1.5rem;
    color: #d35400;
    /* Darker Orange for text */
}

.checklist-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.checklist-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.checklist-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-main);
}

/* Scientific Diagram (Flowchart) - High Contrast */
.flowchart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    background: var(--color-primary);
    /* Navy Blue Background */
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    color: white;
    /* White Text */
}

.flowchart h2,
.flowchart .flow-step {
    /* Ensure text inside is readable */
}

.flow-step {
    background: rgba(255, 255, 255, 0.1);
    /* Glassy effect */
    padding: 15px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-weight: 600;
    position: relative;
    width: 80%;
    text-align: center;
    box-shadow: none;
}

.flow-step span {
    color: #e0e0e0;
    /* Lighter text for description */
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--color-accent);
}

/* Ingredients */
.ingredient-card {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: #fff;
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: transform 0.2s;
}

.ingredient-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-subtle);
}

.ingredient-icon {
    background: var(--color-bg-light);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
    font-weight: bold;
    font-family: var(--font-heading);
}

/* FAQ Accordion */
details {
    margin-bottom: var(--spacing-xs);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: white;
}

summary {
    padding: 15px;
    background: var(--color-bg-light);
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-heading);
    color: var(--color-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: bold;
}

details[open] summary::after {
    content: '-';
}

details[open] summary {
    border-bottom: 1px solid var(--color-border);
}

.faq-content {
    padding: 15px;
    background: white;
    font-size: 0.95rem;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.widget {
    background: var(--color-bg-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    /* Consistent shadow */
    margin-bottom: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--color-border);
    /* Keep border for definition */
}

.widget-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
    padding-bottom: 5px;
}

.badge-editor {
    background: var(--color-primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.product-img-sidebar {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.best-seller-seal {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #FFD700;
    color: #000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transform: rotate(15deg);
}

/* Symptom Checklist */
.symptom-list {
    text-align: left;
    list-style: none;
}

.symptom-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
}

.symptom-item:last-child {
    border-bottom: none;
}

.symptom-check {
    color: var(--color-danger);
    font-weight: bold;
}

/* CTA Button */
.cta-btn {
    display: block;
    width: 100%;
    background-color: var(--color-accent);
    color: white;
    padding: 20px;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(50, 205, 50, 0.4);
    transition: all 0.3s ease;
    margin-top: var(--spacing-sm);
    text-transform: uppercase;
}

.cta-btn:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(50, 205, 50, 0.6);
    /* Larger shadow on hover */
}

.cta-subtext {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 10px;
}

/* Citations */
.citations {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: #888;
}

.citations h4 {
    font-size: 0.9rem;
    color: #666;
}

.citations ol {
    padding-left: 20px;
}

/* Easy Usage Protocol */
.usage-protocol {
    background-color: var(--color-bg-white);
    padding: 40px 0;
    margin: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.usage-header {
    margin-bottom: 30px;
}

.usage-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

.usage-steps {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.usage-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: var(--color-bg-light);
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-subtle);
}

.step-title {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.step-text {
    font-size: 0.95rem;
    color: var(--color-text-main);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .usage-steps {
        flex-direction: column;
        gap: 40px;
    }
}

/* Guarantee Section */
.guarantee-section {
    background-color: #fffdf0;
    border: 2px dashed #d4af37;
    padding: 30px;
    margin: 40px 0;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-subtle);
}

.guarantee-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.guarantee-icon {
    flex-shrink: 0;
    margin-bottom: 15px;
}

.guarantee-icon img {
    max-width: 150px;
    height: auto;
    display: block;
}

.guarantee-text h2 {
    color: #8a6d3b;
    margin-bottom: 10px;
    font-size: 1.6rem;
}

.guarantee-text p {
    color: var(--color-text-main);
    font-size: 1rem;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .guarantee-content {
        flex-direction: row;
        text-align: left;
        align-items: center;
    }

    .guarantee-icon {
        margin-right: 25px;
        margin-bottom: 0;
        padding-right: 25px;
        border-right: 2px dashed #d4af37;
    }

    .guarantee-section {
        text-align: left;
    }

    .guarantee-text h2 {
        margin-top: 0;
    }
}

/* Footer */
footer {
    background: #222;
    color: #888;
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.8rem;
    margin-top: var(--spacing-lg);
}

footer a {
    color: #aaa;
    margin: 0 10px;
}

footer a:hover {
    color: white;
}

/* Header \u0026 Navigation */
header {
    background: var(--color-bg-white);
    box-shadow: var(--shadow-subtle);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    flex-shrink: 0;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.main-nav a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.main-nav a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background-color: var(--color-accent);
    color: white !important;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.nav-cta:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span {
    width: 30px;
    height: 3px;
    background-color: var(--color-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Symptom Interactive Buttons */
.symptom-buttons {
    display: flex;
    gap: 8px;
}

.btn-yes,
.btn-no {
    padding: 6px 16px;
    border: none;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-yes {
    background-color: #ffebee;
    color: var(--color-danger);
    border: 2px solid var(--color-danger);
}

.btn-yes:hover,
.btn-yes.active {
    background-color: var(--color-danger);
    color: white;
}

.btn-no {
    background-color: #e8f5e9;
    color: var(--color-success);
    border: 2px solid var(--color-success);
}

.btn-no:hover,
.btn-no.active {
    background-color: var(--color-success);
    color: white;
}

.symptom-result {
    margin-top: 15px;
    padding: 15px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.symptom-result.hidden {
    display: none;
}

.symptom-result.positive {
    background-color: #fff3cd;
    border: 2px solid #ffc107;
    color: #856404;
}

.symptom-result.negative {
    background-color: #d4edda;
    border: 2px solid #28a745;
    color: #155724;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Menu */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 80px 20px 20px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav a {
        width: 100%;
        padding: 15px 0;
        text-align: left;
    }
}