/*
Theme Name: Kim Guolu
Theme URI: https://cnmiracletrade.com/
Author: Antigravity
Description: A premium, high-performance WordPress theme for Henan Taiguo Boiler (Industrial Boiler Solutions).
Version: 1.0.0
Text Domain: kim-guolu
*/

:root {
    /* Color Palette - Industrial Premium */
    --color-primary: #0a2540; /* Industrial Navy */
    --color-secondary: #ff4d00; /* Fire Orange */
    --color-accent: #00d4ff; /* Tech Blue */
    --color-steel: #4b5563; /* Steel Grey */
    --color-background: #ffffff;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-white: #ffffff;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Layout */
    --container-width: 1280px;
    --header-height: 80px;
    
    /* Shadows & Effects */
    --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);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
}

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

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-steel));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 77, 0, 0.3);
}