/* EDC Knife Guide - Styles */

/* CSS Variables */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --accent-hover: #c0392b;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #f8f9fa;
    --card-bg: #fff;
    --border-color: #ddd;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-heading: 'Georgia', serif;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.15);
    --radius: 8px;
    --max-width: 1200px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    line-height: 1.3;
}

h1 { font-size: 2.5rem; margin: 0; }
h2 { font-size: 2rem; margin: 2rem 0 1rem; border-bottom: 2px solid var(--accent-color); padding-bottom: 0.5rem; }
h3 { font-size: 1.4rem; margin: 1.5rem 0 0.75rem; }
h4 { font-size: 1.15rem; margin: 1rem 0 0.5rem; }

p {
    margin: 0 0 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

ul, ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #fff;
    padding: 2.5rem 0;
    text-align: center;
}

.site-header h1 {
    color: #fff;
    font-size: 2.8rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* Navigation */
.main-nav {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
    margin: 0;
}

.main-nav a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--primary-color);
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.main-nav a:hover {
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
}

/* Main Content */
main {
    padding: 2rem 0 4rem;
}

.content-section {
    background: var(--card-bg);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Info Boxes */
.info-box, .tip-box, .warning-box {
    padding: 1.5rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.info-box {
    background: #e8f4fd;
    border-left: 4px solid var(--info-color);
}

.tip-box {
    background: #e8f8e8;
    border-left: 4px solid var(--success-color);
}

.warning-box {
    background: #fef3e2;
    border-left: 4px solid var(--warning-color);
}

.info-box h3, .tip-box h4, .warning-box h4 {
    margin-top: 0;
}

/* Blade Types Grid */
.blade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.blade-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.blade-card h3 {
    margin-top: 0;
    color: var(--accent-color);
}

.blade-icon {
    height: 60px;
    margin: 1rem 0;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* Steel Table */
.steel-table-wrapper {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.steel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.steel-table th,
.steel-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.steel-table th {
    background: var(--primary-color);
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
}

.steel-table tr:hover {
    background: var(--bg-color);
}

.tier-budget { border-left: 4px solid #95a5a6; }
.tier-mid { border-left: 4px solid var(--info-color); }
.tier-premium { border-left: 4px solid var(--warning-color); }
.tier-super { border-left: 4px solid var(--accent-color); }

.rating-1::after { content: "★☆☆☆☆"; color: var(--warning-color); }
.rating-2::after { content: "★★☆☆☆"; color: var(--warning-color); }
.rating-3::after { content: "★★★☆☆"; color: var(--warning-color); }
.rating-4::after { content: "★★★★☆"; color: var(--warning-color); }
.rating-5::after { content: "★★★★★"; color: var(--warning-color); }

/* Lock Mechanisms Grid */
.lock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.lock-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.lock-card h3 {
    margin-top: 0;
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
}

/* Choosing Section */
.choosing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.factor-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.factor-card h3 {
    margin-top: 0;
    color: var(--accent-color);
}

/* Maintenance Grid */
.maintenance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.maintenance-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.maintenance-card h3 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Product Callout */
.product-callout {
    background: linear-gradient(135deg, #fef9e7 0%, #fdebd0 100%);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-top: 2rem;
    border: 1px solid #f5cba7;
}

.product-callout h4 {
    margin-top: 0;
    color: var(--primary-color);
}

.product-list {
    list-style: none;
    padding: 0;
}

.product-list li {
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--border-color);
}

.product-list li:last-child {
    border-bottom: none;
}

/* Knife Recommendations */
.knife-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0 2.5rem;
}

.knife-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.knife-card.featured {
    border: 2px solid var(--accent-color);
    background: linear-gradient(to bottom, #fff 0%, #fef9f9 100%);
}

.knife-card h4 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.knife-price {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--success-color);
    margin: 0.5rem 0;
}

.knife-specs {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.knife-specs li {
    padding: 0.25rem 0;
    border-bottom: 1px dotted var(--border-color);
}

.product-link {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    margin-top: 0.5rem;
    margin-right: 0.5rem;
    transition: background 0.2s;
}

.product-link:hover {
    background: var(--accent-hover);
    color: #fff;
    text-decoration: none;
}

.product-link.secondary {
    background: var(--secondary-color);
}

.product-link.secondary:hover {
    background: var(--primary-color);
}

/* Laws Section */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.tip-card {
    background: var(--bg-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    border-left: 3px solid var(--info-color);
}

.tip-card h4 {
    margin-top: 0;
}

.law-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.law-category {
    padding: 1.25rem;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.law-category h4 {
    margin-top: 0;
    color: var(--primary-color);
}

/* FAQ Section */
.faq-list {
    margin-top: 1.5rem;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
}

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

.faq-question {
    margin: 0 0 0.75rem;
    color: var(--primary-color);
    cursor: pointer;
}

.faq-answer {
    color: var(--text-light);
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* Steel Comparison Tool */
.compare-tool {
    margin-top: 1.5rem;
}

.compare-selectors {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.compare-select {
    flex: 1;
    min-width: 200px;
}

.compare-select label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.compare-select select {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--card-bg);
}

.compare-result {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    min-height: 200px;
}

.compare-bars {
    display: grid;
    gap: 1rem;
}

.compare-bar-group {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: center;
    gap: 1rem;
}

.compare-bar-label {
    font-weight: 500;
    font-size: 0.9rem;
}

.compare-bar-container {
    display: flex;
    gap: 0.5rem;
    height: 24px;
}

.compare-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.compare-bar.steel1 {
    background: var(--accent-color);
}

.compare-bar.steel2 {
    background: var(--info-color);
}

.compare-legend {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.legend-color.steel1 {
    background: var(--accent-color);
}

.legend-color.steel2 {
    background: var(--info-color);
}

/* Footer */
.site-footer {
    background: var(--primary-color);
    color: #fff;
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.site-footer p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

.affiliate-disclosure {
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .site-header h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .main-nav ul {
        gap: 0.25rem;
    }

    .main-nav a {
        padding: 0.4rem 0.75rem;
        font-size: 0.9rem;
    }

    .content-section {
        padding: 1.5rem;
    }

    .steel-table {
        font-size: 0.85rem;
    }

    .steel-table th,
    .steel-table td {
        padding: 0.5rem;
    }

    .knife-grid,
    .blade-grid,
    .lock-grid {
        grid-template-columns: 1fr;
    }

    .compare-selectors {
        flex-direction: column;
        gap: 1rem;
    }

    .compare-bar-group {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .container {
        padding: 0 15px;
    }

    .site-header {
        padding: 1.5rem 0;
    }

    .site-header h1 {
        font-size: 1.75rem;
    }

    .content-section {
        padding: 1rem;
    }

    .product-link {
        display: block;
        text-align: center;
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .main-nav,
    .compare-tool,
    .product-link {
        display: none;
    }

    .content-section {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}