/* ProjectorPicks - Main Stylesheet */

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #1a365d;
    --primary-light: #2c5282;
    --accent-color: #ed8936;
    --accent-hover: #dd6b20;
    --text-color: #2d3748;
    --text-light: #718096;
    --bg-color: #f7fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #48bb78;
    --shadow: 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);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

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

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.site-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-logo:hover {
    color: var(--accent-color);
}

.site-logo svg {
    width: 32px;
    height: 32px;
}

/* Navigation */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.2s;
}

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

/* Mobile Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        width: 100%;
        order: 3;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav a {
        display: block;
        padding: 0.75rem 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
}

@media (max-width: 768px) {
    .hero {
        padding: 3rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.btn-amazon {
    background: #ff9900;
    color: #111;
}

.btn-amazon:hover {
    background: #e88a00;
    color: #111;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--border-color);
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* Comparison Tables */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    min-width: 800px;
}

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

.comparison-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    position: sticky;
    top: 0;
    white-space: nowrap;
}

.comparison-table tbody tr:hover {
    background: rgba(26, 54, 93, 0.05);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

.comparison-table .product-name {
    min-width: 200px;
}

.comparison-table .spec {
    white-space: nowrap;
}

.comparison-table .price {
    font-weight: 600;
    color: var(--accent-color);
}

.comparison-table .rating {
    color: #f6ad55;
}

.comparison-table .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Specs Badge */
.spec-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.spec-badge.resolution-4k {
    background: #48bb78;
    color: white;
}

.spec-badge.resolution-1080p {
    background: #4299e1;
    color: white;
}

.spec-badge.resolution-720p {
    background: #a0aec0;
    color: white;
}

/* Feature List */
.feature-list {
    list-style: none;
    margin: 1rem 0;
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section-alt {
    background: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Guide Content */
.guide-content {
    max-width: 800px;
    margin: 0 auto;
}

.guide-content h2 {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.guide-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.guide-content ul,
.guide-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.guide-content li {
    margin-bottom: 0.5rem;
}

/* Info Box */
.info-box {
    background: rgba(66, 153, 225, 0.1);
    border-left: 4px solid #4299e1;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.info-box h4 {
    color: #2b6cb0;
    margin-bottom: 0.5rem;
}

.tip-box {
    background: rgba(72, 187, 120, 0.1);
    border-left: 4px solid #48bb78;
}

.tip-box h4 {
    color: #276749;
}

.warning-box {
    background: rgba(237, 137, 54, 0.1);
    border-left: 4px solid var(--accent-color);
}

.warning-box h4 {
    color: #c05621;
}

/* Calculator */
.calculator {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 2rem auto;
}

.calculator h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-light);
}

.calculator-result {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1.5rem;
}

.calculator-result .result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Footer */
.site-footer {
    background: var(--primary-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    padding: 0.25rem 0;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
}

.affiliate-disclosure {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 1rem auto 0;
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
}

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

.breadcrumb span {
    margin: 0 0.5rem;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-2 { margin-top: 2rem; }

/* Responsive */
@media (max-width: 640px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .section {
        padding: 2.5rem 0;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .calculator {
        padding: 1.5rem;
    }
}