/* Main Stylesheet for Traditional Carpentry Techniques Website */

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Lora:ital,wght@0,400;0,600;1,400&family=Open+Sans:wght@400;600&family=Alegreya+SC&display=swap');

/* ===== VARIABLES ===== */
:root {
    /* Primary Colors */
    --wood-brown: #8B5A2B;
    --parchment: #F2E8C9;
    --forest-green: #2C5545;
    
    /* Secondary Colors */
    --rust-red: #A52A2A;
    --aged-copper: #66A182;
    --charcoal: #36454F;
    
    /* Accent Colors */
    --burnished-gold: #DAA520;
    --indigo-blue: #4B0082;
    --terracotta: #E2725B;
    
    /* Font Families */
    --heading-font: 'Cinzel', serif;
    --body-font: 'Lora', serif;
    --nav-font: 'Open Sans', sans-serif;
    --accent-font: 'Alegreya SC', serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2.5rem;
    
    /* Border Radius */
    --border-radius: 5px;
    
    /* Box Shadow */
    --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

/* ===== BASE STYLES ===== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--parchment);
    background-image: url('../images/parchment-texture.jpg');
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.3;
    color: var(--wood-brown);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--wood-brown);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

a {
    color: var(--forest-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--wood-brown);
    text-decoration: underline;
}

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

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ===== HEADER ===== */
.site-header {
    background-color: var(--wood-brown);
    color: white;
    padding: var(--spacing-lg) 0;
    position: relative;
    background-image: url('../images/wood-texture.jpg');
    background-blend-mode: multiply;
    border-bottom: 5px solid var(--forest-green);
}

.site-header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.site-title {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-sm);
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.site-description {
    font-family: var(--body-font);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--parchment);
}

/* ===== NAVIGATION ===== */
.main-nav {
    background-color: var(--forest-green);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--box-shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
    margin: 0 var(--spacing-md);
}

.nav-link {
    font-family: var(--nav-font);
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    display: block;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--burnished-gold);
    text-decoration: none;
}

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--forest-green);
    min-width: 200px;
    box-shadow: var(--box-shadow);
    z-index: 1;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.dropdown-content a {
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    display: block;
    font-family: var(--nav-font);
    transition: all 0.3s ease;
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--burnished-gold);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    background-color: rgba(255, 255, 255, 0.5);
    padding: var(--spacing-sm) 0;
    font-family: var(--nav-font);
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.breadcrumbs-list {
    list-style: none;
    display: flex;
    margin: 0;
}

.breadcrumbs-item {
    display: flex;
    align-items: center;
}

.breadcrumbs-item:not(:last-child)::after {
    content: "›";
    margin: 0 var(--spacing-sm);
    color: var(--charcoal);
}

.breadcrumbs-link {
    color: var(--forest-green);
}

.breadcrumbs-current {
    color: var(--charcoal);
    font-weight: 600;
}

/* ===== MAIN CONTENT LAYOUT ===== */
.content-wrapper {
    display: flex;
    margin: var(--spacing-lg) 0;
}

.sidebar {
    width: 25%;
    padding-right: var(--spacing-lg);
}

.main-content {
    width: 75%;
    background-color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* ===== SIDEBAR ===== */
.sidebar-section {
    margin-bottom: var(--spacing-xl);
}

.sidebar-title {
    font-size: 1.2rem;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--wood-brown);
    margin-bottom: var(--spacing-md);
}

.sidebar-list {
    list-style: none;
    margin: 0;
}

.sidebar-item {
    margin-bottom: var(--spacing-sm);
}

.sidebar-link {
    display: block;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.sidebar-link:hover {
    background-color: rgba(218, 165, 32, 0.2);
    text-decoration: none;
}

.sidebar-link.active {
    background-color: rgba(218, 165, 32, 0.3);
    font-weight: 600;
}

.sidebar-widget {
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: var(--spacing-lg);
}

/* ===== FEATURE CARDS ===== */
.feature-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(139, 90, 43, 0.3);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-image {
    height: 200px;
    background-color: #ddd;
    background-size: cover;
    background-position: center;
}

.feature-content {
    padding: var(--spacing-md);
}

.feature-title {
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.feature-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

/* ===== TECHNIQUE SECTIONS ===== */
.technique-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(139, 90, 43, 0.3);
}

.technique-section:last-child {
    border-bottom: none;
}

.technique-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.technique-image {
    width: 200px;
    height: 150px;
    margin-right: var(--spacing-lg);
    background-color: #ddd;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.technique-title {
    margin-bottom: var(--spacing-xs);
}

/* ===== SPECIAL CONTENT SECTIONS ===== */
.diagram-section {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--box-shadow);
}

.cultural-note {
    background-color: rgba(102, 161, 130, 0.2);
    border-left: 4px solid var(--aged-copper);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.historical-note {
    background-color: rgba(226, 114, 91, 0.2);
    border-left: 4px solid var(--terracotta);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.decorative-note {
    background-color: rgba(75, 0, 130, 0.1);
    border-left: 4px solid var(--indigo-blue);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

/* ===== GALLERY ===== */
.gallery-section {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--box-shadow);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.gallery-item {
    height: 150px;
    background-color: #ddd;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

/* ===== COMPARISON SECTIONS ===== */
.comparison-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.comparison-card {
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.comparison-title {
    margin-bottom: var(--spacing-md);
    color: var(--forest-green);
}

/* ===== TIMELINE ===== */
.timeline {
    background-color: rgba(166, 42, 42, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    position: relative;
}

.timeline-slider {
    height: 6px;
    background-color: rgba(139, 90, 43, 0.3);
    position: relative;
    margin: var(--spacing-xl) 0;
    border-radius: 3px;
}

.timeline-handle {
    width: 20px;
    height: 20px;
    background-color: var(--wood-brown);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.timeline-handle:hover {
    background-color: var(--burnished-gold);
}

.timeline-markers {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

.timeline-marker {
    text-align: center;
    font-family: var(--accent-font);
    font-size: 0.9rem;
}

/* ===== GLOSSARY TERMS ===== */
.glossary-term {
    font-family: var(--accent-font);
    color: var(--forest-green);
    cursor: help;
    border-bottom: 1px dotted var(--forest-green);
}

.glossary-popup {
    display: none;
    position: absolute;
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    max-width: 300px;
    z-index: 100;
}

/* ===== FOOTER ===== */
.site-footer {
    background-color: var(--charcoal);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.footer-section {
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-list {
    list-style: none;
    margin: 0;
}

.footer-item {
    margin-bottom: var(--spacing-sm);
}

.footer-link {
    color: var(--parchment);
}

.footer-link:hover {
    color: var(--burnished-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
    .feature-section {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar, .main-content {
        width: 100%;
    }
    
    .sidebar {
        padding-right: 0;
        margin-bottom: var(--spacing-lg);
    }
    
    .technique-header {
        flex-direction: column;
        text-align: center;
    }
    
    .technique-image {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
        width: 100%;
        max-width: 300px;
    }
    
    .comparison-section {
        grid-template-columns: 1fr;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--forest-green);
        padding: var(--spacing-md);
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .nav-item {
        margin: var(--spacing-xs) 0;
    }
    
    .dropdown-content {
        position: static;
        display: none;
        padding-left: var(--spacing-md);
    }
    
    .dropdown.active .dropdown-content {
        display: block;
    }
}

@media (max-width: 576px) {
    .feature-section {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
    }
}