/**
Theme Name: Astra Child
Author: Brainstorm Force
Author URI: http://wpastra.com/about/
Description: Astra is the fastest, fully customizable & beautiful theme suitable for blogs, personal portfolios and business websites. It is very lightweight (less than 50KB on frontend) and offers unparalleled speed. Built with SEO in mind, Astra comes with schema.org code integrated so search engines will love your site. Astra offers plenty of sidebar options and widget areas giving you a full control for customizations. Furthermore, we have included special features and templates so feel free to choose any of your favorite page builder plugin to create pages flexibly. Some of the other features: # WooCommerce Ready # Responsive # Compatible with major plugins # Translation Ready # Extendible with premium addons # Regularly updated # Designed, Developed, Maintained & Supported by Brainstorm Force. Looking for a perfect base theme? Look no further. Astra is fast, fully customizable and beautiful theme!
Version: 1.0.1
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: astra-child
Template: astra
*/

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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --background: #ffffff;
    --foreground: #0f172a;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --border: #e2e8f0;
    --card: #ffffff;
    --card-foreground: #0f172a;
    --success: #10b981;
    --error: #ef4444;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--foreground);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p {
/*     color: var(--muted-foreground); */
}

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

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

/* Header */
.header {
    background: var(--background);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--foreground);
}

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

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.nav-desktop {
    display: none;
    gap: 2rem;
}

.nav-link {
    color: var(--muted-foreground);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--foreground);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--foreground);
}

.menu-icon {
    width: 24px;
    height: 24px;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    background: var(--muted);
    border-bottom: 1px solid var(--border);
}

.nav-mobile.open {
    display: flex;
}

.nav-mobile .nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

.nav-mobile .nav-link.active {
    background: var(--background);
}

.nav-mobile .nav-link.active::after {
    display: none;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
    .mobile-menu-btn,
    .nav-mobile {
        display: none !important;
    }
}

/* Main Content */
.main {
    flex: 1;
}

/* Calculator Section */
.calculator-section {
    padding: 3rem 0;
}

.calculator-header {
    text-align: center;
    margin-bottom: 2rem;
}

.calculator-header h1 {
    margin-bottom: 0.5rem;
}

.calculator-header p {
    font-size: 1.125rem;
}

.calculator-tabs {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: var(--background);
    border-color: var(--primary);
    color: var(--foreground);
}

.tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.calculator-card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.calculator-panel {
    display: none;
}

.calculator-panel.active {
    display: block;
}

.calc-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--foreground);
}

.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-wrapper .suffix {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-foreground);
    font-weight: 500;
}

.calc-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    flex: 1;
    background: var(--primary);
    color: white;
}

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

.btn-secondary {
    background: var(--muted);
    color: var(--foreground);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.result-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--muted);
    border-radius: var(--radius);
    text-align: center;
    display: none;
}

.result-box.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.result-explanation {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
}

.result-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: all 0.2s;
}

.result-copy:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.result-copy svg {
    width: 14px;
    height: 14px;
}

.keyboard-hint {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8125rem;
    color: var(--muted-foreground);
}

/* FAQ Section */
.faq-section {
    padding: 3rem 0;
    background: var(--muted);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    color: var(--foreground);
    cursor: pointer;
    transition: background 0.2s;
}

.faq-question:hover {
    background: var(--muted);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 1.25rem 1.25rem;
    color: var(--muted-foreground);
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    display: block;
}

/* Page Sections */
.page-section {
    padding: 3rem 0;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    margin-bottom: 0.75rem;
}

.page-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

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

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.card-link {
    font-weight: 500;
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.card-link svg {
    width: 16px;
    height: 16px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.card-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--muted);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Contact Form */
.contact-layout {
    display: grid;
    gap: 3rem;
}

@media (min-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-form .input-group input,
.contact-form .input-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form .input-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form .input-group input:focus,
.contact-form .input-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 1.5rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--muted);
    border-radius: var(--radius);
    font-weight: 500;
}

.form-message {
    padding: 1rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

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

.content-page h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-page p {
    margin-bottom: 1rem;
}

.content-page ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.content-page li {
    margin-bottom: 0.5rem;
    color: var(--muted-foreground);
}

.last-updated {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    font-style: italic;
    margin-bottom: 2rem;
}

/* Blog Post */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.blog-post-header {
    margin-bottom: 2rem;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.blog-post-content {
    line-height: 1.8;
}

.blog-post-content p {
    margin-bottom: 1.5rem;
    color: var(--foreground);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.back-link svg {
    width: 16px;
    height: 16px;
}

/* About Page */
.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--muted);
    border-radius: var(--radius);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: var(--radius);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-content h4 {
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.9375rem;
}

/* Footer */
.footer {
    background: var(--muted);
    border-top: 1px solid var(--border);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    gap: 2rem;
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand .logo {
    margin-bottom: 0.75rem;
}

.footer-tagline {
    font-size: 0.9375rem;
    max-width: 280px;
}

.footer-links h4 {
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.footer-links a {
    display: block;
    color: var(--muted-foreground);
    font-size: 0.9375rem;
    padding: 0.375rem 0;
}

.footer-links a:hover {
    color: var(--foreground);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Utilities */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    .calculator-section { padding: 4rem 0; }
    .page-section { padding: 4rem 0; }
    .faq-section { padding: 4rem 0; }
}