/* ============================================
   Noble Trinity Media - Ultra-Premium Stylesheet
   Royal Navy Blue & Metallic Gold Aesthetic
   ============================================ */

/* --- CSS Variables --- */
:root {
    /* Primary Colors - Royal Navy & Metallic Gold */
    --primary-color: #1A3A52;           /* Royal Navy Blue */
    --primary-dark: #0F2438;            /* Darker Navy */
    --primary-light: #2D5A7B;           /* Lighter Navy */
    
    /* Accent Colors - Metallic Gold */
    --accent-color: #C9A961;            /* Metallic Gold */
    --accent-light: #D4B896;            /* Light Gold */
    --accent-warm: #B8956A;             /* Warm Gold */
    
    /* Supporting Colors */
    --cream: #F5F1E8;                   /* Cream/Off-white */
    --silver: #E8E8E8;                  /* Silver/White */
    --charcoal: #2A2A2A;                /* Charcoal */
    
    /* Neutral Colors */
    --text-dark: #F5F1E8;                 /* Cream - High contrast on Navy */
    --text-light: #D4B896;               /* Light Gold - Secondary text */
    --bg-dark: #1A3A52;                 /* Navy background */
    --bg-light: #F5F1E8;                /* Cream background */
    --bg-white: #FFFFFF;
    --border-color: #C9A961;
    
    /* Shadows - Cinematic Chiaroscuro */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;800&family=Open+Sans:wght@400;600;700&display=swap');

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #F5F1E8;                      /* Cream text for readability */
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 800;
    line-height: 1.2;
    color: var(--accent-color);
    letter-spacing: 0.5px;
}

h1 { font-size: 4rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #F5F1E8;                      /* Cream text for paragraphs */
}

a {
    color: #D4A574;                      /* Metallic Gold for links */
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #F5F1E8;                      /* Cream on hover for contrast */
    text-decoration: underline;
}

/* --- Header Navigation --- */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border-bottom: 3px solid var(--accent-color);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.5rem;
    font-family: 'Playfair Display', serif;
    transition: var(--transition);
}

.logo-link:hover {
    color: var(--accent-light);
    transform: scale(1.05);
}

.logo-text {
    color: var(--accent-color);
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

/* --- Navigation Menu --- */
.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--cream);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link:hover::after {
    width: 100%;
}

/* --- Mobile Menu Toggle --- */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, #2D5A7B 100%);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 4px solid var(--accent-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(201, 169, 97, 0.03) 35px, rgba(201, 169, 97, 0.03) 70px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    color: var(--accent-color);
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.hero-subtitle {
    color: var(--cream);
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 1px;
}

/* --- Main Content --- */
.main-content {
    background-color: var(--bg-dark);
}

.section {
    padding: 4rem 0;
    position: relative;
}

.section-title {
    color: var(--accent-color);
    font-size: 2.75rem;
    margin-bottom: 2rem;
    text-align: center;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.section-content {
    color: var(--cream);
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* --- Featured Grid Section (Homepage Vignettes) --- */
.featured-grid-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    padding: 4rem 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.vignette {
    position: relative;
    overflow: hidden;
    border: 3px solid var(--accent-color);
    border-radius: 2px;
    aspect-ratio: 1;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.vignette::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 2;
}

.vignette-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.vignette:hover .vignette-image {
    transform: scale(1.1);
    filter: brightness(1.2);
}

.vignette-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(15, 36, 56, 0.95), transparent);
    z-index: 3;
    transform: translateY(20px);
    transition: var(--transition);
}

.vignette:hover .vignette-content {
    transform: translateY(0);
}

.vignette-title {
    color: var(--accent-color);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-family: 'Playfair Display', serif;
    font-weight: 800;
}

.vignette-description {
    color: var(--cream);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- Buttons & CTAs --- */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-warm) 100%);
    color: var(--primary-dark);
    border: none;
    border-radius: 2px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent-color) 100%);
}

/* --- Call to Action Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--cream);
    text-align: center;
    padding: 4rem 0;
    border-top: 4px solid var(--accent-color);
    border-bottom: 4px solid var(--accent-color);
}

.cta-section .section-title {
    color: var(--accent-color);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-content p {
    color: var(--cream);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* --- Footer --- */
.footer {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--cream);
    padding: 3rem 0 1rem;
    border-top: 4px solid var(--accent-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p {
    color: var(--cream);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--accent-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(201, 169, 97, 0.2);
    color: var(--accent-light);
    font-size: 0.875rem;
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.text-accent { color: var(--accent-color); }
.text-light { color: #D4B896; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }

/* --- Blog Page Styles --- */
.blog-filter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 2rem 0;
}

.blog-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 2px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'Open Sans', sans-serif;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.filter-btn:hover {
    background-color: var(--accent-color);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--accent-color);
    color: var(--primary-dark);
}

.blog-posts-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    padding: 4rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.blog-post {
    background: linear-gradient(135deg, #2D5A7B 0%, #1A3A52 100%);
    border-radius: 2px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 2px solid var(--accent-color);
}

.blog-post:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
    border-color: var(--accent-light);
}

.blog-post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.blog-category {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-dark);
    padding: 0.4rem 0.8rem;
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.blog-date {
    color: var(--accent-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.blog-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--cream);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.read-more {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--accent-light);
    transform: translateX(4px);
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1rem;
        display: none;
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}