/* ========================================
   KIEFFER.EU - REFINED HERITAGE DESIGN
   ======================================== */

:root {
    /* Color Palette */
    --color-primary: #1a472a;
    --color-secondary: #d4af37;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-bg: #fafaf8;
    --color-bg-alt: #f1ede7;
    --color-white: #ffffff;
    --color-border: #e4ddd4;
    --color-accent: #8b5a3c;

    /* Typography */
    --font-display: 'Georgia', 'Garamond', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Courier New', monospace;

    /* Sizing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Responsive */
    --max-width: 1200px;
    --max-width-narrow: 800px;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

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

.content-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.main-content {
    grid-column: 1;
}

.sidebar {
    grid-column: 2;
}

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        grid-column: 1;
    }
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-secondary);
    padding-bottom: var(--spacing-md);
}

h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

h5, h6 {
    font-family: var(--font-display);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.8;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.navbar {
    padding: var(--spacing-lg) 0;
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width 0.3s ease;
}

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

@media (max-width: 768px) {
    .nav-menu {
        gap: var(--spacing-md);
    }

    .nav-menu a {
        font-size: 0.9rem;
    }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    margin: 0 auto var(--spacing-2xl);
    max-width: var(--max-width);
}

.hero-content h1 {
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg) 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.page-header .subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    font-style: italic;
}

/* ========================================
   SECTIONS
   ======================================== */

.intro {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-alt);
    margin: var(--spacing-2xl) 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.intro-text h2 {
    border-bottom: none;
    padding-bottom: 0;
}

.intro-stats {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid var(--color-secondary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stat-card h3 {
    color: var(--color-secondary);
    font-size: 2rem;
    margin: 0 0 var(--spacing-sm) 0;
}

.stat-card p {
    margin: 0;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   FEATURES GRID
   ======================================== */

.features {
    padding: var(--spacing-2xl) 0;
}

.features > .container > h2 {
    text-align: center;
    border: none;
    padding: 0;
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-card h3 {
    margin-top: 0;
}

.feature-card h3 a {
    color: var(--color-primary);
    font-family: var(--font-display);
}

/* ========================================
   CONTENT SECTIONS
   ======================================== */

.content-section {
    padding: var(--spacing-2xl) 0;
}

.main-content h2 {
    margin-top: var(--spacing-2xl);
}

.main-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.main-content ul li {
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   HIGHLIGHTED BOX
   ======================================== */

.highlighted-box {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-secondary);
    margin: var(--spacing-lg) 0;
    border-radius: 4px;
}

.highlighted-box h3 {
    margin-top: 0;
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.sidebar-card h3 {
    margin-top: 0;
    font-size: 1.25rem;
}

.sidebar-card ul {
    margin-left: var(--spacing-lg);
    margin-bottom: 0;
}

.sidebar-card ul li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.sidebar-card img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin: var(--spacing-md) 0;
}

.caption {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ========================================
   NOTABLE FIGURES GRID
   ======================================== */

.notable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.notable-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.notable-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.notable-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.notable-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.notable-content {
    padding: var(--spacing-lg);
}

.notable-content h3 {
    margin-top: 0;
}

.notable-era {
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.notable-achievement {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.95rem;
}

/* ========================================
   GALLERY GRID
   ======================================== */

.gallery-section {
    padding: var(--spacing-2xl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    margin: 0;
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.gallery-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    font-weight: 600;
}

.gallery-item:hover figcaption {
    transform: translateY(0);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.category-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.category-card h4 {
    margin-top: 0;
}

/* ========================================
   RESOURCE CARDS
   ======================================== */

.resource-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-secondary);
}

.resource-card h3 {
    margin-top: 0;
    color: var(--color-primary);
}

.resource-card p {
    margin-bottom: var(--spacing-sm);
}

.resource-card ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.resource-card a {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-accent);
    font-weight: 600;
}

/* ========================================
   VARIANTS TABLE
   ======================================== */

.variants-table {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

thead {
    background-color: var(--color-primary);
    color: var(--color-white);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
    background-color: var(--color-bg-alt);
}

/* ========================================
   TIMELINE
   ======================================== */

.timeline {
    margin: var(--spacing-2xl) 0;
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-secondary);
}

.timeline-item {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.timeline-marker {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-secondary);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-secondary);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
    border-radius: 8px;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    border-bottom: 2px solid var(--color-secondary);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn {
    margin: 0;
}

/* High contrast buttons in dark sections */
.cta-section .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
    font-weight: 700;
}

.cta-section .btn-primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
}

.cta-section .btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    font-weight: 700;
}

.cta-section .btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 0;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

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

.footer-domain-sale {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg) 0;
    text-align: center;
    font-size: 0.95rem;
}

.footer-domain-sale p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.footer-domain-sale a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.footer-domain-sale a:hover {
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.9rem;
}
.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);

}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-menu {
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* ========================================
   UTILITIES
   ======================================== */

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

.text-italic {
    font-style: italic;
}

.text-muted {
    color: var(--color-text-light);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

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

.py-lg {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}