/*
Theme Name: CalculatorZones Pro
Theme URI: https://calculatorzones.com
Author: Shehzad
Author URI: https://calculatorzones.com
Description: Scalable WordPress calculator theme supporting unlimited calculators with custom post types, dynamic template loading, and modular architecture. Optimized for performance and SEO.
Version: 2.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: calculatorzones
*/


/* ==========================================
   CSS RESET & BASE
   ========================================== */

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

:root {
    --primary-blue: #4285f4;
    --primary-blue-dark: #1967d2;
    --light-blue: #e8f0fe;
    --text-dark: #202124;
    --text-gray: #5f6368;
    --border-gray: #dadce0;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --success-green: #1e8e3e;
    --error-red: #d93025;
    --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-md: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}


/* ==========================================
   HEADER
   ========================================== */

.site-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
}

.site-logo a {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-dark);
    text-decoration: none;
}

.site-logo span {
    color: var(--primary-blue);
}

.header-search {
    flex: 1;
    max-width: 500px;
    margin: 0 40px;
}

.search-form {
    position: relative;
}

.search-form input {
    width: 100%;
    padding: 10px 40px 10px 16px;
    border: 1px solid var(--border-gray);
    border-radius: 24px;
    font-size: 14px;
    outline: none;
    transition: box-shadow 0.2s;
}

.search-form input:focus {
    box-shadow: var(--shadow-sm);
}

.search-form button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-gray);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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


/* ==========================================
   MAIN CONTAINER
   ========================================== */

.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: calc(100vh - 200px);
}


/* ==========================================
   HOMEPAGE
   ========================================== */

.hero-section {
    text-align: center;
    padding: 60px 20px 40px;
}

.hero-section h1 {
    font-size: 48px;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.hero-section p {
    font-size: 20px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.category-card {
    background: var(--bg-white);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text-dark);
}

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

.category-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.category-card h2 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 8px;
}

.category-card p {
    color: var(--text-gray);
    font-size: 14px;
}


/* ==========================================
   CALCULATOR GRID
   ========================================== */

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.calculator-card {
    background: var(--bg-white);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 24px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.2s;
}

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

.calculator-card h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.calculator-card p {
    color: var(--text-gray);
    font-size: 14px;
}


/* ==========================================
   CALCULATOR PAGE
   ========================================== */

.calculator-page {
    max-width: 800px;
    margin: 0 auto;
}

.calculator-header {
    margin-bottom: 32px;
}

.calculator-header h1 {
    font-size: 36px;
    font-weight: 400;
    margin-bottom: 8px;
}

.calculator-meta {
    color: var(--text-gray);
    font-size: 14px;
}

.calculator-widget {
    background: var(--bg-white);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-blue);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.calculate-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
}

.calculate-btn:hover {
    background: var(--primary-blue-dark);
}

.calculator-result {
    background: var(--light-blue);
    border-left: 4px solid var(--primary-blue);
    padding: 24px;
    border-radius: 4px;
    margin-top: 24px;
    display: none;
}

.calculator-result.show {
    display: block;
}

.result-label {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.result-value {
    font-size: 32px;
    font-weight: 500;
    color: var(--primary-blue);
}

.result-breakdown {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-gray);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.result-item-label {
    color: var(--text-gray);
}

.result-item-value {
    font-weight: 500;
}


/* ==========================================
   CALCULATOR CONTENT
   ========================================== */

.calculator-content {
    margin-top: 48px;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 16px;
}

.content-section h3 {
    font-size: 20px;
    font-weight: 500;
    margin: 24px 0 12px;
}

.content-section p {
    line-height: 1.8;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.content-section ul,
.content-section ol {
    margin-left: 24px;
    margin-bottom: 16px;
    line-height: 1.8;
}


/* ==========================================
   FAQ SECTION
   ========================================== */

.faq-section {
    margin-top: 48px;
}

.faq-item {
    border-bottom: 1px solid var(--border-gray);
    padding: 20px 0;
}

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

.faq-question {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.faq-answer {
    color: var(--text-gray);
    line-height: 1.8;
}


/* ==========================================
   BLOG
   ========================================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
    margin: 32px 0;
}

.blog-card {
    background: var(--bg-white);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.2s;
}

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

.blog-card-content {
    padding: 24px;
}

.blog-card h2 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
}

.blog-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.blog-meta {
    font-size: 12px;
    color: var(--text-gray);
}


/* ==========================================
   FOOTER
   ========================================== */

.site-footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-gray);
    margin-top: 80px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 32px;
}

.footer-section h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 16px;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-gray);
    color: var(--text-gray);
    font-size: 14px;
}


/* ==========================================
   MOBILE RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
        padding: 12px 16px;
    }
    .header-search {
        order: 3;
        flex-basis: 100%;
        margin: 12px 0 0 0;
    }
    .main-nav {
        display: none;
    }
    .hero-section h1 {
        font-size: 32px;
    }
    .hero-section p {
        font-size: 16px;
    }
    .categories-grid {
        grid-template-columns: 1fr;
    }
    .calculators-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .calculator-header h1 {
        font-size: 28px;
    }
    .calculator-widget {
        padding: 20px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}


/* ==========================================
   UTILITY CLASSES
   ========================================== */

.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

.mt-3 {
    margin-top: 24px;
}

.mt-4 {
    margin-top: 32px;
}

.mb-1 {
    margin-bottom: 8px;
}

.mb-2 {
    margin-bottom: 16px;
}

.mb-3 {
    margin-bottom: 24px;
}

.mb-4 {
    margin-bottom: 32px;
}

.hidden {
    display: none;
}


/* ==========================================
   PERFORMANCE OPTIMIZATIONS
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}