/*
Theme Name: Kam
Theme URI: https://webmns.com/
Author: WebMN
Author URI: https://webmns.com/
Description: Premium Light Theme for Decorative Stone Catalog.
Version: 1.0.0
Text Domain: kam
*/

/* ==========================================================================
   CSS Variables & Tokens (Premium Light Theme)
   ========================================================================== */
:root {
    /* Colors */
    --clr-primary: #1A1A1A; /* Deep charcoal for text and dark accents */
    --clr-secondary: #8B7355; /* Muted elegant gold/bronze for highlights */
    --clr-background: #F9F9F9; /* Very light grey, almost white, for depth */
    --clr-surface: #FFFFFF; /* Pure white for cards and sections */
    --clr-text-main: #333333;
    --clr-text-muted: #666666;
    --clr-border: #E5E5E5;
    
    /* Typography */
    --font-heading: 'Cinzel', serif; /* Or 'Playfair Display' / 'Montserrat' - elegant */
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Sizing */
    --container-width: 1280px;
    --section-padding: 5rem 1.5rem;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-hover: 0 12px 24px rgba(0,0,0,0.12);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    line-height: 1.2;
    font-weight: 600;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }
.py-section { padding: var(--section-padding); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--clr-secondary);
    color: #FFF;
}

.btn-primary:hover {
    background-color: var(--clr-primary);
    color: #FFF;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-primary);
    color: var(--clr-primary);
}

.btn-outline:hover {
    background-color: var(--clr-primary);
    color: #FFF;
}

/* ==========================================================================
   Layout: Header & Top Bar
   ========================================================================== */
.top-bar {
    background-color: var(--clr-primary);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 40px;
}

.top-bar-left, .top-bar-right {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.top-bar-right a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.top-bar-right a:hover {
    color: var(--clr-secondary);
}

.site-header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--clr-primary);
}

.site-nav {
    display: flex;
    gap: 2.5rem;
}

.site-nav a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-text-main);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    padding-bottom: 0.25rem;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: width 0.3s ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
    width: 100%;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--clr-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-contact-block {
    text-align: right;
}

.header-phone {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--clr-primary);
    display: flex;
    align-items: center;
}

.header-phone svg {
    color: var(--clr-secondary);
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-color: var(--clr-primary);
    color: #FFF;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26,26,26,0.9) 0%, rgba(26,26,26,0.3) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    color: #FFF;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

/* ==========================================================================
   Categories Grid
   ========================================================================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--clr-surface);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    group: hover;
    display: block;
}

.category-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.category-img-wrap {
    position: relative;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    overflow: hidden;
}

.category-img-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.category-card:hover .category-img-wrap img {
    transform: scale(1.05);
}

.category-content {
    padding: 1.5rem;
    text-align: center;
    background: var(--clr-surface);
}

.category-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--clr-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--clr-background);
    color: var(--clr-text-main);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--clr-border);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--clr-primary);
}

.footer-socials a {
    color: var(--clr-primary);
    transition: var(--transition);
}
.footer-socials a:hover {
    background-color: var(--clr-primary);
    color: #FFF;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-widget h4 {
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-nav {
    list-style: none;
}

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

.footer-nav a {
    color: var(--clr-text-muted);
}

.footer-nav a:hover {
    color: var(--clr-secondary);
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .site-nav, .header-actions .btn {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-padding {
        padding: 3rem 1.5rem;
    }
}