/* GLOBAL VARIABLES 
   "Trusted Creator" Palette: Off-white background, slate text, ocean blue buttons, emerald success highlights.
*/
:root {
    --bg-color: #F8F9FA;
    --text-color: #2D3748;
    --primary-blue: #3182CE;
    --primary-blue-hover: #2B6CB0;
    --success-green: #10B981;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --input-bg: #EDF2F7;
    --logo-gold: #D4AF37; 
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
}

/* HEADER STYLES */
.site-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

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

/* THE LOGO FIX */
.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo-symbol {
    width: 28px;
    height: 28px;
    color: var(--logo-gold);
    flex-shrink: 0; /* Prevents the symbol from getting squeezed */
}

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

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* MAIN CONTENT STYLES (HOME) */
.site-main {
    flex: 1;
    padding: 60px 20px;
}

.hero-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px auto;
}

.hero-section h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-section p {
    font-size: 1.125rem;
    color: #4A5568;
}

/* GRID LAYOUT (HOME) */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.tool-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.tool-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.tool-card h2 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.tool-card p {
    margin-bottom: 25px;
    flex: 1;
    color: #4A5568;
}

/* BUTTONS - Strictly Flat */
.btn {
    display: inline-block;
    background-color: var(--primary-blue);
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.2s ease;
    border: none;
    box-shadow: none;
    text-shadow: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--primary-blue-hover);
    color: #FFFFFF;
}

/* --- CALCULATOR APP STYLES --- */
.tool-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.tool-header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.tool-header p {
    font-size: 1.1rem;
    color: #4A5568;
}

.calc-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.calc-panel {
    padding: 40px;
}

.inputs-panel {
    background-color: #FFFFFF;
}

.results-panel {
    background-color: var(--bg-color);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.results-panel h2 {
    margin-bottom: 30px;
    font-size: 1.5rem;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-color);
}

.field-desc {
    font-size: 0.85rem;
    color: #718096;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    font-size: 1rem;
    color: var(--text-color);
    transition: border-color 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: #FFFFFF;
}

.result-box {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.primary-result {
    border-color: var(--success-green);
    border-width: 2px;
}

.result-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

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

.highlight {
    color: var(--success-green);
    font-size: 3.5rem;
    line-height: 1;
}

.result-context {
    font-size: 0.9rem;
    color: #4A5568;
    margin-top: 15px;
}

/* SEO NARRATIVE SECTION (AdSense Approval Block) */
.seo-narrative {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.tool-narrative {
    margin-top: 60px;
    padding-top: 0;
    border-top: none;
}

.narrative-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.narrative-content h2 {
    font-size: 1.75rem;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.narrative-content h3 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-top: 30px;
    margin-bottom: 15px;
}

.narrative-content p {
    color: #4A5568;
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.narrative-content strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* FOOTER STYLES */
.site-footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: auto;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.disclaimer {
    font-size: 0.85rem;
    color: #718096;
    margin-top: 10px;
    max-width: 600px;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.footer-nav a {
    color: #4A5568;
    font-size: 0.9rem;
}

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

/* MOBILE RESPONSIVENESS */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .calc-container {
        grid-template-columns: 1fr;
    }

    .results-panel {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .narrative-content {
        padding: 25px;
    }
}