/*
Theme Name: Freight Tools Theme
Theme URI: https://example.com/freight-tools
Author: Antigravity
Author URI: https://example.com
Description: A custom WordPress theme for freight calculators and utility tools.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: freight-tools
*/

:root {
    --primary-color: #0F172A; /* Dark Navy */
    --secondary-color: #334155; /* Slate Gray */
    --accent-color: #10B981; /* Success Green */
    --accent-blue: #3B82F6; /* Action Blue */
    --bg-light: #F8FAFC;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 0.5rem;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.5;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-top: 0;
    font-weight: 700;
}

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

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

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

/* Header */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-weight: 500;
    color: var(--secondary-color);
}

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

.btn-cta {
    background-color: var(--accent-blue);
    color: white;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
}

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

/* Footer */
.site-footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 4rem 0 2rem;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

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

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
}

/* Mobile Menu Trigger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* Page Content */
.page-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .main-nav {
        display: none; 
        /* Ideally would implement a slide-out menu here, but keeping it simple for now */
    }
    
    .menu-toggle {
        display: block;
    }
    
    .header-inner {
        height: 60px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}