/*
Theme Name: SPD Glass
Theme URI: https://spdglass.com
Author: Your Name
Author URI: https://yourwebsite.com
Description: A modern, component-based WordPress theme for SPD Glass company. Features a clean blue and white color scheme optimized for glass companies, with reusable components and meta box management.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: spdglass
Tags: custom-menu, featured-images, threaded-comments, translation-ready, block-styles, wide-blocks
*/

/* ==========================================================================
   CSS Variables - Color Scheme (Blue & White Theme)
   ========================================================================== */
:root {
	/* Primary Colors */
	--color-primary-blue: #468FAF;        /* Serene Blue - Main brand color */
	--color-primary-dark: #2C5F7C;        /* Dark Blue - Accents and headings */
	--color-primary-light: #A8D5E2;       /* Light Sky Blue - Backgrounds */
	--color-secondary-blue: #5B8FA8;      /* Medium Blue - Secondary elements */
	
	/* Neutral Colors */
	--color-white: #FFFFFF;
	--color-light-gray: #F5F7FA;
	--color-gray: #E8EDF1;
	--color-medium-gray: #787878;
	--color-dark-gray: #4A5568;
	--color-black: #1A202C;
	
	/* Accent Colors (for CTAs and highlights) */
	--color-accent: #468FAF;
	--color-accent-hover: #2C5F7C;
	
	/* Typography */
	--font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-secondary: Georgia, "Times New Roman", serif;
	
	/* Spacing */
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--spacing-xxl: 4rem;
	
	/* Border Radius */
	--radius-sm: 4px;
	--radius-md: 8px;
	--radius-lg: 12px;
	
	/* Shadows */
	--shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
	--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
	
	/* Transitions */
	--transition-fast: 0.15s ease;
	--transition-base: 0.3s ease;
	--transition-slow: 0.5s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: var(--font-primary);
	color: var(--color-dark-gray);
	line-height: 1.6;
	background-color: var(--color-white);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
	font-weight: 600;
	line-height: 1.2;
	color: var(--color-primary-dark);
	margin-bottom: var(--spacing-md);
}

h1 {
	font-size: 2.5rem;
}

h2 {
	font-size: 2rem;
}

h3 {
	font-size: 1.75rem;
}

h4 {
	font-size: 1.5rem;
}

h5 {
	font-size: 1.25rem;
}

h6 {
	font-size: 1rem;
}

p {
	margin-bottom: var(--spacing-md);
}

a {
	color: var(--color-primary-blue);
	text-decoration: none;
	transition: color var(--transition-fast);
}

a:hover,
a:focus {
	color: var(--color-primary-dark);
	text-decoration: underline;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

.section {
	padding: var(--spacing-xxl) 0;
}

.section-alt {
	background-color: var(--color-light-gray);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
	display: inline-block;
	padding: var(--spacing-sm) var(--spacing-lg);
	font-size: 1rem;
	font-weight: 600;
	text-align: center;
	text-decoration: none;
	border: 2px solid transparent;
	border-radius: var(--radius-md);
	cursor: pointer;
	transition: all var(--transition-base);
}

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

.btn-primary:hover {
	background-color: var(--color-primary-dark);
	border-color: var(--color-primary-dark);
	color: var(--color-white);
	text-decoration: none;
}

.btn-secondary {
	background-color: transparent;
	color: var(--color-primary-blue);
	border-color: var(--color-primary-blue);
}

.btn-secondary:hover {
	background-color: var(--color-primary-blue);
	color: var(--color-white);
	text-decoration: none;
}

/* White variant for dark/blue backgrounds */
.hero-section .btn-secondary,
.cta-section .btn-secondary,
.cta-section-contact .btn-secondary,
.section-glass-dark .btn-secondary {
	color: var(--color-white);
	border-color: var(--color-white);
	background-color: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(5px);
}

.hero-section .btn-secondary:hover,
.cta-section .btn-secondary:hover,
.cta-section-contact .btn-secondary:hover,
.section-glass-dark .btn-secondary:hover {
	background-color: var(--color-white);
	color: var(--color-primary-dark);
	border-color: var(--color-white);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center {
	text-align: center;
}

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

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ==========================================================================
   Glassmorphism Effects
   ========================================================================== */
.glass-effect {
	background: rgba(255, 255, 255, 0.25);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.18);
	box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
	border-radius: var(--radius-lg);
}

.glass-effect-dark {
	background: rgba(44, 95, 124, 0.25);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.18);
	box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
	border-radius: var(--radius-lg);
}

.glass-effect-light {
	background: rgba(255, 255, 255, 0.15);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border: 1px solid rgba(255, 255, 255, 0.25);
	box-shadow: 0 4px 16px 0 rgba(31, 38, 135, 0.2);
	border-radius: var(--radius-md);
}

.glass-effect-blue {
	background: rgba(70, 143, 175, 0.2);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border: 1px solid rgba(255, 255, 255, 0.3);
	box-shadow: 0 8px 32px 0 rgba(70, 143, 175, 0.3);
	border-radius: var(--radius-lg);
}

/* Glass effect with background image support */
.glass-section {
	position: relative;
	overflow: hidden;
}

.glass-section::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	z-index: 0;
}

.glass-section > * {
	position: relative;
	z-index: 1;
}

/* Glass overlay variant */
.glass-overlay {
	background: rgba(255, 255, 255, 0.2);
	backdrop-filter: blur(15px);
	-webkit-backdrop-filter: blur(15px);
	border-top: 1px solid rgba(255, 255, 255, 0.3);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-overlay-dark {
	background: rgba(44, 95, 124, 0.3);
	backdrop-filter: blur(15px);
	-webkit-backdrop-filter: blur(15px);
	border-top: 1px solid rgba(255, 255, 255, 0.2);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Glass card effect */
.glass-card {
	background: rgba(255, 255, 255, 0.3);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.4);
	border-radius: var(--radius-lg);
	box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
	padding: var(--spacing-lg);
	transition: all var(--transition-base);
}

.glass-card:hover {
	background: rgba(255, 255, 255, 0.4);
	box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.45);
	transform: translateY(-2px);
}

/* Glass navigation */
.glass-nav {
	background: rgba(255, 255, 255, 0.9);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* Glass hero overlay */
.glass-hero-overlay {
	background: rgba(44, 95, 124, 0.4);
	backdrop-filter: blur(5px);
	-webkit-backdrop-filter: blur(5px);
}

/* Utility class for glass background on sections */
.section-glass {
	background: rgba(255, 255, 255, 0.15);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-top: 1px solid rgba(255, 255, 255, 0.2);
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.section-glass-dark {
	background: rgba(44, 95, 124, 0.2);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-top: 1px solid rgba(255, 255, 255, 0.15);
	border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

/* Frosted glass text container */
.glass-text-container {
	background: rgba(255, 255, 255, 0.25);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border-radius: var(--radius-lg);
	padding: var(--spacing-xl);
	border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Fallback for browsers that don't support backdrop-filter */
@supports not (backdrop-filter: blur(10px)) {
	.glass-effect,
	.glass-effect-dark,
	.glass-effect-light,
	.glass-effect-blue,
	.glass-section::before,
	.glass-overlay,
	.glass-overlay-dark,
	.glass-card,
	.section-glass,
	.section-glass-dark,
	.glass-text-container {
		background: rgba(255, 255, 255, 0.9);
	}
	
	.glass-effect-dark,
	.glass-overlay-dark,
	.section-glass-dark {
		background: rgba(44, 95, 124, 0.9);
	}
	
	.glass-effect-blue {
		background: rgba(70, 143, 175, 0.9);
	}
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
	:root {
		--spacing-xl: 2rem;
		--spacing-xxl: 3rem;
	}
	
	h1 { font-size: 2rem; }
	h2 { font-size: 1.75rem; }
	h3 { font-size: 1.5rem; }
	
	.container {
		padding: 0 var(--spacing-sm);
	}
}