/* ==========================================================================
   DPB VANGUARD - DESIGN SYSTEM & LAYOUT CSS
   ========================================================================== */

/* 1. CSS Custom Properties & Core Themes */
:root {
    /* Color Tokens (Light/Default Mode) */
    --color-bg-primary: #F5F3EE;      /* Warm white paper */
    --color-bg-secondary: #EBE9E2;    /* Slightly darker warm white */
    --color-text-primary: #111315;    /* Near-black charcoal */
    --color-text-secondary: #4A4F54;  /* Medium gray */
    --color-text-muted: #7E848A;      /* Light/muted gray */
    --color-accent: #C6A15B;          /* Editorial gold */
    --color-accent-hover: #B08D4C;
    --color-alert: #B83A32;           /* Warning red */
    --color-alert-bg: #FCECEB;
    --color-border: #D1CFCA;
    
    /* Dark Slate Brand Accents (Masthead & Footer) */
    --color-slate-dark: #111315;
    --color-slate-medium: #1C2126;
    --color-slate-light: #F5F3EE;

    /* Fonts (Supports Ghost Custom Font Settings) */
    --font-serif: var(--gh-font-heading, 'Lora', Georgia, serif);
    --font-sans: var(--gh-font-body, 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
    --font-mono: 'JetBrains Mono', Courier, monospace;

    /* Layout Limits */
    --container-width: 1200px;
    --article-width: 680px;
    --grid-gap: 2rem;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Override (Optional Article Reading Mode) */
[data-theme="dark"] {
    --color-bg-primary: #111315;
    --color-bg-secondary: #1C2126;
    --color-text-primary: #F5F3EE;
    --color-text-secondary: #BFC4C9;
    --color-text-muted: #8F959B;
    --color-border: #2D3339;
    --color-alert-bg: #2C1817;
}

/* 2. Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

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

a:hover {
    color: var(--color-accent);
}

/* Accessibility Focus & Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-accent);
    color: #111315;
    padding: 1rem;
    z-index: 10000;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.25;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* 3. Layout Containers */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.main-content {
    padding: 3rem 0;
}

/* Ghost Editor Wide & Full Image Width Styles (Required by GScan) */
.kg-width-wide {
    max-width: 1000px !important;
    margin-left: auto;
    margin-right: auto;
}

.kg-width-full {
    max-width: 100vw !important;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

/* 4. Masthead (Header) */
.site-header {
    background-color: var(--color-slate-dark);
    color: var(--color-slate-light);
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.site-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.site-title-area {
    text-align: center;
    flex-grow: 1;
}

.site-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin: 0;
    text-transform: uppercase;
}

.site-tagline {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-subscribe {
    background-color: var(--color-accent);
    color: var(--color-slate-dark);
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background-color var(--transition-fast);
}

.btn-subscribe:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-slate-dark);
}

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

/* Main Navigation */
.site-nav {
    display: flex;
    justify-content: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 1rem;
}

.site-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 2rem;
}

.site-nav a {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.8);
}

.site-nav a:hover,
.site-nav .nav-current a {
    color: var(--color-accent);
}

/* Mobile Navigation Menu Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100%;
    background-color: var(--color-slate-dark);
    color: var(--color-slate-light);
    z-index: 2000;
    padding: 2rem;
    box-shadow: 5px 0 25px rgba(0,0,0,0.5);
    transition: left var(--transition-medium);
}

.mobile-nav-drawer.is-active {
    left: 0;
}

.mobile-nav-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    z-index: 1999;
    transition: opacity var(--transition-medium);
}

.mobile-nav-drawer-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
}

.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-menu a {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    display: block;
}

/* 5. Premium Responsive Hero Section */
.dpb-hero {
    position: relative;
    background-color: var(--color-slate-dark);
    color: white;
    padding: 5rem 0;
    margin-bottom: 3.5rem;
    overflow: hidden;
    min-height: 580px;
    display: flex;
    align-items: center;
}

.dpb-hero-layers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    perspective: 1200px; /* 3D depth perspective */
}

.dpb-hero-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.4s ease;
}

/* Background Plate Layer */
.dpb-hero-bg {
    background-image: url(../images/landscape-bg.png);
    transform: scale(1.08) translate3d(var(--bg-tx, 0px), var(--bg-ty, 0px), 0); /* slightly scaled to prevent empty border reveal */
    will-change: transform;
    z-index: 1;
}

/* Atmospheric Overlay Layer */
.dpb-hero-atmosphere {
    background: radial-gradient(circle at 75% 35%, rgba(198, 161, 91, 0.08) 0%, transparent 60%),
                linear-gradient(to top, rgba(17, 19, 21, 0.95) 0%, rgba(17, 19, 21, 0.5) 60%, rgba(17, 19, 21, 0.2) 100%);
    transform: translate3d(var(--at-tx, 0px), var(--at-ty, 0px), 0);
    will-change: transform;
    z-index: 2;
}

/* Antigravity Canvas Particle Layer */
.dpb-hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    mix-blend-mode: screen;
}

/* Drone Rim-Light Shadow Layer */
.dpb-hero-shadow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 75% 55%, rgba(0, 0, 0, 0.45) 0%, transparent 22%);
    transform: translate3d(var(--shadow-tx, 0px), var(--shadow-ty, 0px), 0);
    will-change: transform;
    z-index: 4;
    pointer-events: none;
}

/* Drone Wrapper & 3D Transform Layer */
.dpb-hero-drone-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
    transform: translate3d(var(--drone-tx, 0px), var(--drone-ty, 0px), 0) rotateX(var(--drone-rx, 0deg)) rotateY(var(--drone-ry, 0deg)) rotateZ(var(--drone-rz, 0deg));
    transform-style: preserve-3d;
    will-change: transform;
}

.dpb-hero-drone {
    position: absolute;
    right: 8%;
    top: 22%;
    width: 480px;
    height: 320px;
    background-image: url(../images/drone-desktop.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

@media (max-width: 1023px) {
    .dpb-hero-shadow {
        background: radial-gradient(circle at 50% 65%, rgba(0, 0, 0, 0.5) 0%, transparent 25%);
    }
    
    .dpb-hero-drone {
        right: 50%;
        top: 50%;
        transform: translate(50%, -50%);
        width: 320px;
        height: 220px;
        background-image: url(../images/drone-mobile.png);
    }
}




/* Editorial Container stays stationary on top */
.dpb-hero-container {
    position: relative;
    z-index: 10;
    width: 100%;
}

.dpb-hero-content {
    max-width: 620px;
    padding: 0 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.dpb-hero-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.dpb-hero-headline {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.15;
    color: white;
    margin: 0 0 1.25rem;
}

.dpb-hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 2rem;
}

.dpb-hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.dpb-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    text-align: center;
}

.dpb-btn-primary {
    background-color: var(--color-accent);
    color: var(--color-slate-dark);
    border: 1px solid var(--color-accent);
}

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

.dpb-btn-secondary {
    background-color: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.dpb-btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

.dpb-hero-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--color-accent);
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1rem;
    display: inline-block;
}

/* Responsive Overrides */
@media (min-width: 768px) {
    .dpb-hero {
        padding: 8rem 0;
        min-height: 600px;
    }
    
    .dpb-hero-atmosphere {
        background: radial-gradient(circle at 75% 35%, rgba(198, 161, 91, 0.08) 0%, transparent 60%),
                    linear-gradient(to right, rgba(17, 19, 21, 0.98) 0%, rgba(17, 19, 21, 0.8) 40%, rgba(17, 19, 21, 0.1) 100%);
    }
    
    .dpb-hero-headline {
        font-size: 3.4rem;
    }
}

@media (max-width: 767px) {
    .dpb-hero {
        min-height: 520px;
        align-items: flex-end;
        padding-bottom: 3rem;
    }
    
    .dpb-hero-content {
        margin-top: 0;
        text-align: center;
    }
    
    .dpb-hero-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .dpb-hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .dpb-btn {
        width: 100%;
    }
}

/* Accessibility overrides for prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .dpb-hero-layer, .dpb-hero-drone-wrapper {
        transform: none !important;
        --drone-tx: 0px !important;
        --drone-ty: 0px !important;
        --drone-rx: 0deg !important;
        --drone-ry: 0deg !important;
        --drone-rz: 0deg !important;
        --bg-tx: 0px !important;
        --bg-ty: 0px !important;
        --at-tx: 0px !important;
        --at-ty: 0px !important;
        --shadow-tx: 0px !important;
        --shadow-ty: 0px !important;
        transition: none !important;
    }
}



/* 6. Lead Editorial Area (Homepage Hero) */
.lead-editorial {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: var(--grid-gap);
    margin-bottom: 3.5rem;
    align-items: stretch;
}

.top-briefings-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
}

.lead-editorial-sidebar {
    display: flex;
    flex-direction: column;
    justify-content: stretch;
}

.lead-editorial-sidebar .eic-profile-card {
    margin-top: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
}


.lead-story {
    display: flex;
    flex-direction: column;
}

.lead-story-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    margin-bottom: 1.5rem;
}

.lead-story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.lead-story:hover .lead-story-image img {
    transform: scale(1.02);
}

.post-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.post-badge.badge-sponsored {
    color: var(--color-alert);
}

.lead-story-headline {
    font-size: 2.4rem;
    margin: 0.5rem 0 1rem;
    line-height: 1.2;
}

.lead-story-deck {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.post-meta-line {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.post-meta-line .author-link {
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Secondary Hero Side Panel */
.supporting-stories {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-left: 1px solid var(--color-border);
    padding-left: 2rem;
}

.supporting-story-card {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
}

.supporting-story-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.supporting-story-headline {
    font-size: 1.4rem;
    margin: 0.5rem 0;
    line-height: 1.3;
}

/* 7. Archive & Listing Grids */
.editorial-section-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    border-bottom: 2px solid var(--color-slate-dark);
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-link {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--grid-gap);
    margin-bottom: 4rem;
}

/* Article Card Styles (Spacious vs Compact) */
.article-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    margin-bottom: 1rem;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.article-card:hover .article-card-image img {
    transform: scale(1.02);
}

.article-card-headline {
    font-size: 1.45rem;
    margin: 0.5rem 0;
    line-height: 1.3;
}

.article-card-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

/* Compact Article Card Mode */
.article-card.card-compact {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.25rem;
    margin-bottom: 0.5rem;
}

.article-card.card-compact .article-card-image {
    display: none;
}

.article-card.card-compact .article-card-headline {
    font-size: 1.2rem;
}

/* 8. Special Sections Layouts (Gear Review & Create) */
.create-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--grid-gap);
}

.create-story-card {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.create-story-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.create-story-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    color: white;
}

.create-story-card-headline {
    color: white;
    font-size: 1.6rem;
    margin: 0.5rem 0 0;
}

.create-story-card:hover img {
    transform: scale(1.03);
}

/* 9. The Preflight Newsletter Sign-up Block */
.preflight-signup-block {
    background-color: var(--color-slate-dark);
    color: var(--color-slate-light);
    padding: 4rem 3rem;
    text-align: center;
    margin: 4rem 0;
    position: relative;
    border-radius: 2px;
}

.preflight-signup-block .brand-sub {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.preflight-signup-block h2 {
    font-size: 2.6rem;
    margin: 0.5rem 0 1rem;
    color: white;
}

.preflight-signup-block p {
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: rgba(255,255,255,0.7);
}

.preflight-form {
    display: flex;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto 1.5rem;
    gap: 0.5rem;
}

.preflight-input {
    flex-grow: 1;
    background-color: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: 2px;
}

.preflight-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.preflight-btn {
    background-color: var(--color-accent);
    color: var(--color-slate-dark);
    border: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    border-radius: 2px;
    transition: background-color var(--transition-fast);
}

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

.preflight-cta-footer {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--color-accent);
    margin-top: 1rem;
}

/* 10. Sponsor Placement banner */
.sponsor-banner-wrapper {
    margin: 2rem 0;
    padding: 1rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    text-align: center;
}

.sponsor-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.sponsor-content {
    font-size: 0.95rem;
    font-weight: 600;
}

/* 11. Article Page Template (post.hbs) */
.article-header {
    text-align: center;
    padding: 3rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.article-headline {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.article-deck {
    font-size: 1.3rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 2rem;
}

.article-featured-image {
    width: 100%;
    margin-bottom: 3rem;
}

.article-featured-image img {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
}

.image-caption {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

.article-body-wrapper {
    max-width: var(--article-width);
    margin: 0 auto 4rem;
}

/* Comfortable typography for long-form reading */
.gh-content {
    font-family: var(--font-sans);
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--color-text-primary);
}

.gh-content p {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.gh-content a {
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 1px;
}

.gh-content a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent-hover);
}

.gh-content h2, .gh-content h3, .gh-content h4 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.25;
}

/* Callout and blockquotes */
.gh-content blockquote {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-style: italic;
    border-left: 3px solid var(--color-accent);
    margin: 2rem 0;
    padding-left: 1.5rem;
    color: var(--color-text-secondary);
}

/* Disclosures & Warnings */
.editorial-notice-box {
    border: 1px solid var(--color-border);
    padding: 1.25rem;
    background-color: var(--color-bg-secondary);
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    border-left: 3px solid var(--color-accent);
}

.editorial-notice-box.notice-correction {
    border-left-color: var(--color-alert);
    background-color: var(--color-alert-bg);
}

.notice-title {
    font-weight: 700;
    text-transform: uppercase;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

/* 12. Flight-Ready Breakdown Panel (.dpb-flight-ready) */
.dpb-flight-ready {
    border: 1px solid rgba(198, 161, 91, 0.2);
    border-left: 4px solid var(--color-accent);
    background-color: var(--color-slate-dark);
    color: #ffffff;
    margin: 2.5rem 0;
    padding: 2rem;
    border-radius: 6px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    font-family: var(--font-sans);
    position: relative;
    overflow: hidden;
}

/* Radar scan effect line */
.dpb-flight-ready::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    animation: radar-scan 3s infinite linear;
}

@keyframes radar-scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.flight-ready-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.flight-ready-title {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.flight-ready-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 800;
    background-color: var(--color-accent);
    color: var(--color-slate-dark);
    padding: 0.25rem 0.6rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.flight-ready-badge::before {
    content: '⚡';
}

.flight-ready-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.flight-ready-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.flight-ready-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.flight-ready-section-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.flight-ready-section-content {
    font-size: 0.9rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* Flight-Ready Sidebar Layout on Desktop */
@media (min-width: 1024px) {
    .article-body-wrapper.has-sidebar {
        max-width: 1100px;
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 3.5rem;
        align-items: start;
    }
    
    .article-sidebar {
        position: sticky;
        top: 2rem;
        max-height: calc(100vh - 4rem);
        overflow-y: auto;
    }
    
    .floating-flight-ready-btn {
        display: none !important;
    }
    
    .flight-ready-close-btn {
        display: none !important;
    }
}

/* Flight-Ready Sliding Drawer and Floating Trigger Button on Mobile */
@media (max-width: 1023px) {
    .article-sidebar {
        display: none !important;
    }
    
    .dpb-flight-ready {
        position: fixed;
        top: 0;
        right: -100vw;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background-color: var(--color-slate-dark) !important;
        color: #ffffff !important;
        border-left: 2px solid var(--color-accent) !important;
        border-top: none !important;
        z-index: 1000;
        margin: 0 !important;
        padding: 2rem !important;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        display: flex;
        flex-direction: column;
    }
    
    .dpb-flight-ready.active {
        right: 0 !important;
    }
    
    .dpb-flight-ready .flight-ready-title {
        color: #ffffff !important;
    }
    
    .dpb-flight-ready .flight-ready-section-content {
        color: rgba(255, 255, 255, 0.85) !important;
    }
    
    .dpb-flight-ready .flight-ready-header {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    }
    
    .dpb-flight-ready .flight-ready-section {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    }

    .floating-flight-ready-btn {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        background-color: var(--color-accent);
        color: var(--color-slate-dark) !important;
        border: none;
        border-radius: 50px;
        padding: 0.8rem 1.5rem;
        font-family: var(--font-mono);
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        box-shadow: 0 4px 15px rgba(198, 161, 91, 0.4);
        cursor: pointer;
        z-index: 999;
        transition: transform 0.2s, background-color 0.2s;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    
    .floating-flight-ready-btn:hover {
        transform: scale(1.05);
        background-color: #ffffff;
    }
    
    .flight-ready-close-btn {
        display: block !important;
        background: none !important;
        border: none !important;
        color: rgba(255, 255, 255, 0.5) !important;
        font-size: 2rem;
        line-height: 1;
        cursor: pointer;
        padding: 0;
        margin-left: auto;
    }
    
    .flight-ready-close-btn:hover {
        color: var(--color-accent) !important;
    }
}

/* 13. Product Review & Buying Guide Custom styling */
.product-review-meta {
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    padding: 1.5rem;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.review-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.review-meta-item {
    display: flex;
    flex-direction: column;
}

.review-meta-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.review-meta-value {
    font-weight: 600;
}

.review-verdict-box {
    background-color: var(--color-slate-dark);
    color: white;
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 2px;
}

.review-verdict-title {
    color: var(--color-accent);
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-top: 0;
}

.review-pros-cons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.pros-list, .cons-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pros-list li::before {
    content: "✓ ";
    color: var(--color-accent);
    font-weight: bold;
    margin-right: 0.5rem;
}

.cons-list li::before {
    content: "✗ ";
    color: var(--color-alert);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* 14. Related Posts section */
.related-posts-section {
    border-top: 1px solid var(--color-border);
    padding-top: 3rem;
    margin-top: 4rem;
}

/* 15. Author Box */
.author-box-wrapper {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    background-color: var(--color-bg-secondary);
    margin: 3rem 0;
}

.author-box-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.author-box-info h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.author-box-bio {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* 16. Pagination controls */
.pagination-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    margin: 3rem 0;
}

.pagination-page-number {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* 17. Footer area */
.site-footer {
    background-color: var(--color-slate-dark);
    color: var(--color-slate-light);
    padding: 4rem 0 2rem;
    border-top: 4px solid var(--color-accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(2, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    text-transform: uppercase;
    color: white;
    margin: 0 0 1rem;
}

.footer-description {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-col-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

.footer-slogan {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-accent);
}

/* 18. Responsive Utilities */
@media (max-width: 1024px) {
    .lead-editorial {
        grid-template-columns: 1fr;
    }
    
    .top-briefings-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .lead-editorial-sidebar {
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    
    .site-nav {
        display: none;
    }
    
    .nav-toggle-btn {
        display: block;
    }
    
    .supporting-stories {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .preflight-form {
        flex-direction: column;
    }
    
    .article-headline {
        font-size: 2.2rem;
    }
    
    .review-pros-cons {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .create-section-grid {
        grid-template-columns: 1fr;
    }
}

/* Editor-in-Chief Sidebar Profile Card */
.eic-profile-card {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--color-slate-medium);
    border: 1px solid var(--color-border);
    border-radius: 2px;
}

.eic-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.eic-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--color-accent);
    flex-shrink: 0;
}

.eic-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.eic-meta {
    display: flex;
    flex-direction: column;
}

.eic-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.eic-name {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
}

.eic-name a {
    color: white;
    border: none;
}

.eic-name a:hover {
    color: var(--color-accent);
}

.eic-bio {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-text-muted);
    margin: 0 0 1.25rem 0;
}

.eic-links {
    display: flex;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.eic-link-btn {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 2px;
    font-weight: 600;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.eic-link-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-slate-dark);
    text-decoration: none;
}

/* ==========================================================================
   14. HiFLY Foundation Advertisement Styles
   ========================================================================== */

/* Sidebar Ads (post.hbs) */
.dpb-ad-card {
    margin-bottom: 2rem;
    padding: 1.75rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    border-radius: 4px;
    text-align: left;
    transition: var(--transition-smooth);
    background-image: linear-gradient(135deg, rgba(198, 161, 91, 0.02) 0%, transparent 100%);
}

.dpb-ad-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.dpb-ad-card h4 {
    font-size: 1.25rem;
    color: white;
    margin: 0.5rem 0;
    line-height: 1.3;
}

.dpb-ad-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.ad-tag {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.65rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-ad {
    display: inline-block;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.btn-ad:hover {
    color: white;
}

/* Horizontal Banner Ad (home.hbs) */
.dpb-ad-banner {
    margin: 4rem 0;
    padding: 3rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    border-radius: 4px;
    background-image: 
        radial-gradient(circle at 100% 0%, rgba(198, 161, 91, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.ad-banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.ad-banner-text {
    flex-grow: 1;
    text-align: left;
}

.ad-banner-badge {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.7rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.ad-banner-text h3 {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 0.5rem;
}

.ad-banner-text p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

.ad-banner-actions {
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .ad-banner-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    .ad-banner-actions {
        width: 100%;
    }
    .ad-banner-actions a {
        display: block;
        text-align: center;
    }
}

/* Programmatic & Affiliate Ad Units styling */
.dpb-ad-wrap {
    margin: 2.5rem 0;
    padding: 1.5rem;
    border: 1px dashed var(--color-border);
    background-color: var(--color-bg-secondary);
    border-radius: 4px;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.dpb-ad-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

/* Top Header Leaderboard */
.top-leaderboard-ad {
    margin: 0;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-slate-dark);
}

.top-leaderboard-ad .ad-banner-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.top-leaderboard-ad p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.top-leaderboard-ad p strong {
    color: var(--color-accent);
}

/* Home / Article Leaderboard dimensions */
.home-leaderboard-ad {
    max-width: 100%;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-image: linear-gradient(135deg, rgba(255,255,255,0.01) 0%, transparent 100%);
}

.home-leaderboard-ad h4 {
    color: white;
    font-size: 1.2rem;
    margin: 0 0 0.5rem 0;
}

.home-leaderboard-ad p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 0 0 1.25rem 0;
}

/* Sticky Sidebar display banner (300x600 Skyscraper) */
.sticky-sidebar-ad {
    position: sticky;
    top: 20px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 2rem 1.5rem;
    margin-top: 2rem;
    text-align: center;
    background-image: radial-gradient(circle at 50% 0%, rgba(198,161,91,0.03) 0%, transparent 80%);
}

.sticky-sidebar-ad h4 {
    font-size: 1.4rem;
    color: white;
    margin: 1.5rem 0 0.75rem 0;
}

.sticky-sidebar-ad p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 2rem;
}

/* In-Article dynamic paragraph injects */
.inline-article-ad {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
    padding: 1.75rem;
    margin: 2.5rem 0;
    background-color: var(--color-bg-secondary);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 4px 4px 0;
    text-align: left;
}

.inline-ad-body h4 {
    margin: 0 0 0.4rem 0;
    font-size: 1.15rem;
    color: white;
}

.inline-ad-body p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.48;
}

@media (max-width: 768px) {
    .inline-article-ad {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

/* Footer Affiliate Grid */
.footer-affiliate-grid {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 3rem;
    margin-bottom: 3rem;
}

.affiliate-section-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.affiliate-links-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.affiliate-column h5 {
    color: white;
    font-size: 0.95rem;
    margin: 0 0 1rem 0;
}

.affiliate-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.affiliate-column ul li {
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.affiliate-column ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.affiliate-column ul li a:hover {
    color: var(--color-accent);
}

@media (max-width: 900px) {
    .affiliate-links-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .affiliate-links-container {
        grid-template-columns: 1fr;
    }
}