/*
Theme Name: PhranakornSoft Block Theme
Theme URI: https://phranakornsoft.com
Author: PhranakornSoft
Author URI: https://phranakornsoft.com
Description: High-performance WordPress Block Theme (Full Site Editing) built for PhranakornSoft. Replaces Elementor Billey design with native Gutenberg blocks, ultra-fast CSS keyframe animations, and 100% Google Core Web Vitals optimization.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.0
Text Domain: smeweb-phranakornsoft
*/

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--wp--preset--font-family--prompt), sans-serif;
    color: var(--wp--preset--color--dark-slate);
    background-color: var(--wp--preset--color--white);
    overflow-x: hidden;
}

a {
    transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
    text-decoration: none;
}

/* Custom Header Sticky */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.site-header.is-scrolled {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.98);
}