/* Knowledge Base Portal Specific Styles */

/* Mobile Responsiveness - Hamburger Menu */
@media (max-width: 1079px) {
    /* Override body padding for mobile */
    body {
        padding-top: 0 !important;
    }
    
    /* Hide top bar on mobile */
    .top-bar {
        display: none !important;
    }
    
    /* Mobile header styling - make it stick to top */
    #header {
        background: #ffffff !important;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 1000 !important;
    }
    
    .header-nav-main {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        position: relative !important;
        padding: 1rem 0 !important;
    }
    
    /* Add padding to content to account for fixed header */
    .knowledge-hero {
        margin-top: 80px !important;
    }
    
    .header-nav {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        background: #ffffff !important;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1) !important;
        z-index: 1001 !important;
 
        border-top: 1px solid #e5e5e5 !important;
       
    }
    
    .header-nav.active {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .header-nav ul {
        flex-direction: column !important;
        width: 100% !important;
        list-style: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .header-nav ul li {
        width: 100% !important;
        border-bottom: 1px solid #e5e5e5 !important;
        position: relative !important;
    }
    
    .header-nav ul li:last-child {
        border-bottom: none !important;
    }
    
    .header-nav ul li a {
        display: block !important;
        padding: 1rem 1.5rem !important;
        color: #333333 !important;
        text-decoration: none !important;
        font-weight: 500 !important;
        visibility: visible !important;
        opacity: 1 !important;
        font-size: 1rem !important;
        line-height: 1.4 !important;
    }
    
    .header-nav ul li a:hover {
        background: #f8f9fa !important;
        color: #0066cc !important;
    }
    
    .header-nav ul li.dynamic-children > a {
        position: relative !important;
    }
    
    .header-nav ul li.dynamic-children > a i {
        position: absolute !important;
        right: 1.5rem !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        transition: transform 0.3s ease !important;
        font-size: 0.8rem !important;
    }
    
    .header-nav ul li.dynamic-children.active > a i {
        transform: translateY(-50%) rotate(180deg) !important;
    }
    
    .header-nav ul li .dynamic {
        display: none !important;
        background: #f8f9fa !important;
        padding: 0 !important;
        list-style: none !important;
    }
    
    .header-nav ul li.dynamic-children.active .dynamic {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .header-nav ul li .dynamic li {
        border-bottom: 1px solid #e0e0e0 !important;
    }
    
    .header-nav ul li .dynamic li:last-child {
        border-bottom: none !important;
    }
    
    .header-nav ul li .dynamic li a {
        padding: 0.75rem 2.5rem !important;
        font-size: 0.9rem !important;
        color: #666666 !important;
    }
    
    .header-nav ul li .dynamic li a:hover {
        background: #e9ecef !important;
        color: #0066cc !important;
    }
    
    /* Mobile logo styling */
    .header-logo {
        z-index: 1002 !important;
    }
    
    .header-logo img {
        max-height: 40px !important;
        width: auto !important;
    }
    
    .header-actions {
        display: flex !important;
        align-items: center !important;
    }
    
    .mobile-nav-toggle {
        display: flex !important;
        flex-direction: column !important;
        cursor: pointer !important;
        padding: 0.5rem !important;
        z-index: 1002 !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 30px !important;
        height: 30px !important;
        justify-content: center !important;
        align-items: center !important;
        background: transparent !important;
        border: none !important;
        position: relative !important;
    }
    
    .mobile-nav-toggle .hamburger-line {
        width: 25px !important;
        height: 3px !important;
        background: #333333 !important;
        margin: 3px 0 !important;
        transition: 0.3s !important;
        border-radius: 2px !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        min-height: 3px !important;
        min-width: 25px !important;
    }
    
    .mobile-nav-toggle.active .hamburger-line:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px) !important;
    }
    
    .mobile-nav-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0 !important;
    }
    
    .mobile-nav-toggle.active .hamburger-line:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px) !important;
    }
}

/* Precise alignment for banner text between 1080px and 1366px */
@media (min-width: 1080px) and (max-width: 1366px) {
	.knowledge-hero > .container {
		margin: 0 11rem auto !important;
	}
}

/* Fine-tuned left alignment for 1080px–1440px screens */
@media (min-width: 1080px) and (max-width: 1199px) {
	.knowledge-hero > .container,
	.detail-hero > .container { margin: 0 0 0 8rem !important; }
}

@media (min-width: 1200px) and (max-width: 1279px) {
	.knowledge-hero > .container,
	.detail-hero > .container { margin: 0 0 0 10rem !important; }
}

@media (min-width: 1280px) and (max-width: 1366px) {
	.knowledge-hero > .container,
	.detail-hero > .container { margin: 0 0 0 12rem !important; }
}

@media (min-width: 1367px) and (max-width: 1440px) {
	.knowledge-hero > .container,
	.detail-hero > .container { margin: 0 0 0 16rem !important; }
}

@media (min-width: 1440px) and (max-width: 1920px) {
	.knowledge-hero > .container,
	.detail-hero > .container { margin: 0 0 0 18rem !important; }
}
/* Local preview overrides: use local banner image when data-env="local" is present */
body[data-env="local"] .knowledge-hero,
body[data-env="local"] .detail-hero {
	background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('../images/banners_kc.jpg');
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}

/* Unified hero banner styling: apply index (knowledge-hero) styles to detail pages too */
.knowledge-hero,
.detail-hero {
	background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('https://abrajenergy.com/abraj-kc/PublishingImages/banners_kc.jpg');
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	color: var(--white);
	text-align: left;
	padding: 8rem 0 5rem 0;
	margin-top: -147px;
	padding-top: 15rem;
	display: flex;
	align-items: center;
	justify-content: flex-start;
}

.knowledge-hero .hero-content,
.detail-hero .hero-content {
	text-align: left;
	max-width: 1200px;
	margin-left: 0;
	margin-right: auto;
}

.knowledge-hero h1,
.detail-hero h1 {
	font-size: 3.5rem;
	font-weight: 600;
	margin-bottom: 1.5rem;
	color: var(--white);
	margin-top: 0;
	text-align: left;
	max-width: 1200px;
}

.knowledge-hero h2,
.detail-hero h2 {
	font-size: 1.3rem;
	font-weight: 400;
	margin-bottom: 2rem;
	color: #FFD700;
	text-align: left;
	max-width: 1000px;
}

.knowledge-hero p,
.detail-hero p {
	font-size: 1.3rem;
	margin-bottom: 2.5rem;
	color: var(--white);
	max-width: 1000px;
}

/* Align hero text container consistently across pages (desktop) */
@media (min-width: 1600px) {
	.knowledge-hero > .container,
	.detail-hero > .container {
		margin: 0 16rem auto !important;
	}
}


@media (min-width: 1080px) {
	.knowledge-hero > .container,
	.detail-hero > .container {
		max-width: 1443px !important;
		margin: 0 18rem auto !important;
		padding-left: 1rem !important;
		padding-right: 1rem !important;
		box-sizing: border-box !important;
	}
}

@media (max-width: 768px) {
	.knowledge-hero,
	.detail-hero {
		padding: 5rem 0 3rem 0;
		padding-top: 8rem;
		min-height: 400px;
	}
}

/* Hero responsive refinements: align text with content border and tune sizes */
@media (min-width: 1080px) {
	/* Center within standard content width and align left edge to container */
	.knowledge-hero > .container,
	.detail-hero > .container {
		margin: 2rem 18rem auto !important;
		max-width: 1200px !important;
		padding-left: 1rem !important;
		padding-right: 1rem !important;
		box-sizing: border-box !important;
	}

	.knowledge-hero,
	.detail-hero {
		min-height: 520px;
	}

	.knowledge-hero h1,
	.detail-hero h1 {
		font-size: 3.2rem;
		margin-bottom: 1.25rem;
	}

	.knowledge-hero h2,
	.detail-hero h2,
	.hero-main-subtitle {
		font-size: 1.2rem !important;
		margin-bottom: 1.25rem;
	}

	.knowledge-hero p,
	.detail-hero p {
		font-size: 1.1rem;
		margin-bottom: 1.75rem;
	}
}

@media (min-width: 1440px) {
	/* Give a bit more breathing room on very large screens */
	.knowledge-hero > .container,
	.detail-hero > .container {
		max-width: 1320px !important;
	}

	.knowledge-hero h1,
	.detail-hero h1 {
		font-size: 3.6rem;
	}
}

@media (min-width: 768px) and (max-width: 1079px) {
	/* Tablets */
	.knowledge-hero,
	.detail-hero {
		padding: 6rem 0 3.5rem 0;
		padding-top: 10rem;
		min-height: 440px;
	}

	.knowledge-hero h1,
	.detail-hero h1 {
		font-size: 2.6rem;
	}

	.knowledge-hero h2,
	.detail-hero h2,
	.hero-main-subtitle {
		font-size: 1.15rem !important;
	}

	.knowledge-hero p,
	.detail-hero p {
		font-size: 1.05rem;
	}
}

@media (max-width: 767px) and (min-width: 480px) {
	/* Large phones */
	.knowledge-hero,
	.detail-hero {
		padding: 6rem 1rem 2.5rem 1rem;
		padding-top: 9rem;
		min-height: 380px;
	}

	.knowledge-hero h1,
	.detail-hero h1 {
		font-size: 2.2rem;
	}

	.knowledge-hero h2,
	.detail-hero h2,
	.hero-main-subtitle {
		font-size: 1.05rem !important;
	}

	.knowledge-hero p,
	.detail-hero p {
		font-size: 1rem;
		margin-bottom: 1.25rem;
	}
}

@media (max-width: 479px) {
	/* Small phones */
	.knowledge-hero,
	.detail-hero {
		padding: 5.5rem 1rem 2rem 1rem;
		padding-top: 8rem;
		min-height: 320px;
	}

	.knowledge-hero h1,
	.detail-hero h1 {
		font-size: 1.9rem;
	}

	.knowledge-hero h2,
	.detail-hero h2,
	.hero-main-subtitle {
		font-size: 1rem !important;
	}

	.knowledge-hero p,
	.detail-hero p {
		font-size: 0.95rem;
	}
}

/* Hide mobile toggle on desktop */
@media (min-width: 1080px) {
    .mobile-nav-toggle {
        display: none !important;
    }
}

/* Ensure mobile toggle is always visible on mobile */
@media (max-width: 1079px) {
    /* Complete reset for mobile navigation to eliminate any gaps */
    .header-nav * {
        box-sizing: border-box !important;
    }
    
    .header-nav ul,
    .header-nav ul li,
    .header-nav ul li a {
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        outline: none !important;
        vertical-align: baseline !important;
        background: transparent !important;
        font-size: inherit !important;
        font-family: inherit !important;
        font-weight: inherit !important;
        color: inherit !important;
        text-decoration: none !important;
    }
    .mobile-nav-toggle {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 30px !important;
        height: 30px !important;
        background: transparent !important;
    }
    
    .mobile-nav-toggle .hamburger-line {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 25px !important;
        height: 3px !important;
        background: #333333 !important;
        margin: 3px 0 !important;
    }
    
    /* Override any external CSS that might hide the toggle */
    .header-actions .mobile-nav-toggle {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* Ensure mobile menu is properly displayed when active */
    .header-nav ul {
        display: none !important;
        position: absolute !important;
        top: calc(100% + 2px) !important;
        left: 0 !important;
        width: 100% !important;
        background: var(--white) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
        border-radius: 8px !important;
        overflow: hidden !important;
        flex-direction: column !important;
        z-index: 1000 !important;
        border: 1px solid var(--light-gray) !important;
        margin: 0 !important;
        padding: 0 !important;
        min-height: auto !important;
        line-height: 1 !important;
        font-size: 0 !important;
    }
    
    .header-nav ul.active {
        display: flex !important;
    }
    
    /* Remove any inherited spacing that might cause gaps */
    .header-nav ul li:first-child {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    .header-nav ul li:first-child a {
        margin-top: 0 !important;
        padding-top: 1.2rem !important;
        border-top: none !important;
        border-top-left-radius: 8px !important;
        border-top-right-radius: 8px !important;
    }
    
    /* Ensure there's no gap at the top of the dropdown */
    .header-nav ul::before {
        content: none !important;
    }
    
    .header-nav ul::after {
        content: none !important;
    }
    
    /* More specific overrides for the exact HTML structure */
    .header-nav.active ul.active {
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        border-top: none !important;
        top: calc(100% + 1px) !important;
    }
    
    .header-nav.active ul.active li:first-child {
        margin-top: 0 !important;
        padding-top: 0 !important;
        border-top: none !important;
    }
    
    .header-nav.active ul.active li:first-child a {
        margin-top: 0 !important;
        border-top: none !important;
        border-top-left-radius: 7px !important;
        border-top-right-radius: 7px !important;
    }
    
    .header-nav ul li {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
        line-height: 1 !important;
        font-size: 1rem !important;
        vertical-align: top !important;
        border: none !important;
        outline: none !important;
    }
    
    .header-nav ul li a {
        display: flex !important;
        padding: 1.2rem 1.5rem !important;
        border-bottom: 1px solid var(--light-gray) !important;
        color: var(--primary-darkgray) !important;
        background: var(--white) !important;
        transition: all 0.3s ease !important;
        min-height: 44px !important;
        align-items: center !important;
        text-decoration: none !important;
        width: 100% !important;
        box-sizing: border-box !important;
        margin: 0 !important;
        line-height: 1.4 !important;
        font-size: 1rem !important;
        vertical-align: top !important;
        border-top: none !important;
    }
    
    .header-nav ul li a:hover {
        background-color: var(--light-gray) !important;
        color: var(--primary-blue) !important;
    }
    
    .header-nav ul li:last-child a {
        border-bottom: none !important;
    }
    
    /* Mobile dropdown styles */
    .header-nav .dynamic {
        position: static !important;
        display: none !important;
        background: var(--light-gray) !important;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
    }
    
    .dynamic-children.active .dynamic {
        display: block !important;
    }
    
    .header-nav .dynamic li a {
        padding-left: 2.5rem !important;
        background: var(--light-gray) !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
        font-size: 0.95rem !important;
    }
    
    .header-nav .dynamic li a:hover {
        background: rgba(1, 158, 189, 0.1) !important;
        color: var(--primary-blue) !important;
    }
}

/* Hero Section for Knowledge Base */
.knowledge-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('https://abrajenergy.com/abraj-kc/PublishingImages/banners_kc.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    text-align: left;
    padding: 8rem 0 5rem 0; /* Increased padding for more height */
    margin-top: -147px; /* Negative margin to make header overlap */
    padding-top: 10rem; /* Increased top padding to prevent text cut-off */
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Align content to the left */
}

.knowledge-hero .hero-content {
    text-align: left;
    max-width: 1200px;
    margin-left: 0;
    margin-right: auto;
}

/* Detail Page Hero Banner */
.detail-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('https://abrajenergy.com/abraj-kc/PublishingImages/banners_kc.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    text-align: left;
    padding: 6rem 0 4rem 0; /* Increased padding for more height */
    margin-top: -147px; /* Negative margin to make header overlap */
    padding-top: 15rem; /* Increased top padding to prevent text cut-off */
    min-height: 550px; /* Increased minimum height for more vertical space */
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Align content to the left */
    flex-direction: column; /* Stack content vertically */
}

.detail-hero .hero-content {
    text-align: left;
    max-width: 1200px;
    margin-left: 0;
    margin-right: auto;
    align-self: flex-start;
}

.detail-hero h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
    margin-top: 0;
    text-align: left;
    max-width: 1200px;
}

.detail-hero p {
    font-size: 1.3rem;
    margin-bottom: 0;
    color: var(--white);
    max-width: 1000px;
    text-align: left;
    opacity: 0.9;
}

.knowledge-hero h1 {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem; /* Increased from 1rem to 1.5rem */
    color: var(--white);
    margin-top: 0; /* Ensure no top margin */
    text-align: left;
    max-width: 1200px;
}

.knowledge-hero h2 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 2rem; /* Increased from 1.5rem to 2rem */
    color: #FFD700;
    text-align: left;
    max-width: 1000px;
}

.knowledge-hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem; /* Increased from 2rem to 2.5rem */
    color: var(--white);
    max-width: 1000px;
    text-align: left;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background: var(--light-gray);
    padding: 1rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

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

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: #999;
}

.breadcrumb-item a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--dark-blue);
}

.breadcrumb-item.active {
    color: var(--dark-gray);
}

/* White Paper Header */
.white-paper-header {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    margin: 3rem 0;
    align-items: start;
}

/* Reduce gap so title block shifts left closer to the image */
@media (min-width: 1080px) {
	.white-paper-header { gap: 2rem; }
	.paper-info { margin-left: 0; }
}

@media (min-width: 1440px) {
	.white-paper-header { gap: 1.5rem; }
}

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

.paper-cover img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Align paper image top with Executive Summary top on wider screens */
@media (min-width: 1080px) {
	.white-paper-header { align-items: start; }
	.paper-cover { margin-top: 160px; }
	/* Define sizing variables and align title within grid safely */
	.white-paper-header { --cover-w: 300px; --gap: 2rem; }
	.paper-info { grid-column: 1 / -1; padding-left: calc(var(--cover-w) + var(--gap)); }
	.paper-info .paper-type,
	.paper-info h1,
	.paper-info .paper-meta { margin-left: 0 !important; transform: none !important; }
}

/* Fix alignment at 1080–1279px so title doesn't overflow the content area */
@media (min-width: 1080px) and (max-width: 1279px) {
	.white-paper-header { grid-template-columns: 260px 1fr; gap: 1.25rem; --cover-w: 260px; --gap: 1.25rem; }
	.paper-cover img { max-width: 260px; }
	.paper-info { padding-left: calc(var(--cover-w) + var(--gap)); }
}

/* For 1080–1200px, mirror the 810px layout: stack and center */
@media (min-width: 1080px) and (max-width: 1200px) {
	.white-paper-header { grid-template-columns: 1fr; gap: 2rem; text-align: center; --cover-w: 0; --gap: 0; }
	.paper-cover { margin-top: 0; }
	.paper-cover img { max-width: 300px; margin: 0 auto; }
	.paper-info { grid-column: auto; padding-left: 0; }
	.paper-meta { justify-content: center; }
}

@media (min-width: 1440px) {
	.paper-cover { margin-top: 225px; }
	/* Adjust gap variable for very large screens */
	.white-paper-header { --cover-w: 300px; --gap: 1.5rem; }
	.paper-info { padding-left: calc(var(--cover-w) + var(--gap)); }
}

@media (max-width: 1079px) {
	.paper-cover { margin-top: 0; }
}

.paper-info h1 {
    font-size: 2.2rem;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

/* Desktop layout fix: ensure first row is title/meta, second row is image+summary */
@media (min-width: 1080px) {
	/* Maintain two-column grid and align content to top */
	.white-paper-header { grid-template-columns: 300px 1fr; align-items: start; grid-auto-rows: auto; }

	/* Let children of .paper-info become grid items so we can place them */
	.paper-info { display: contents !important; padding-left: 0 !important; grid-column: auto !important; }

	/* First row: title then meta (badge hidden) */
	.paper-info h1 { grid-column: 1 / -1; grid-row: 1; }
	.paper-info .paper-meta { grid-column: 1 / -1; grid-row: 2; }

	/* Second row: image left, executive summary right */
	.paper-cover { grid-column: 1 !important; grid-row: 3 !important; margin-top: 0 !important; align-self: start; }
	.executive-summary-preview { grid-column: 2 !important; grid-row: 3 !important; align-self: start; }
}

.paper-type {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    margin-bottom: 1rem;
}

/* Hide whitepaper category badge */
.paper-type { display: none !important; }

.paper-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.meta-item i {
    color: var(--primary-blue);
    font-size: 1rem;
}

.paper-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.download-btn {
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.download-btn:hover {
    background: var(--dark-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* White Paper Content */
.white-paper-content {
    margin-top: 3rem;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    color: var(--dark-gray);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
}

.content-section p {
    color: var(--dark-gray);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.insight-item {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.insight-item h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Ensure insight-item h3 elements use subtitle styling */
.insight-item h3.subtitle {
    font-size: 1.3rem !important;
}

.topics-list,
.audience-list {
    list-style: none;
    padding: 0;
}

.topics-list li,
.audience-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 1.5rem;
}

.topics-list li::before,
.audience-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.topics-list li:last-child,
.audience-list li:last-child {
    border-bottom: none;
}

/* Paper Actions (buttons above content) */
.paper-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.paper-actions .btn {
    min-width: 200px;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.paper-actions .btn-primary {
    background: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    color: #ffffff;
}

.paper-actions .btn-primary:hover {
    background: var(--dark-blue);
    border-color: var(--dark-blue);
    transform: translateY(-2px);
}

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

.paper-actions .btn-secondary:hover {
    background: var(--primary-blue);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Paper Call to Action */
.paper-cta {
    background: #004d5a; /* Dark teal background as per design */
    color: #ffffff;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 4rem;
}

/* Ensure CTA buttons override any conflicting styles */
.paper-cta .cta-buttons .btn {
    font-weight: 500 !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
}

.paper-cta h2 {
    color: var(--white);
    margin-bottom: 1rem;
    border-bottom: none;
}

.paper-cta p {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    max-width: 400px;
    margin: 0 auto;
}

.cta-buttons .btn {
    min-width: 300px;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cta-buttons .btn-primary {
    background: #006d7a !important; /* Slightly lighter teal for primary button */
    border: 2px solid #003d4a !important; /* Darker teal border */
    color: #ffffff !important;
}

.cta-buttons .btn-primary:hover {
    background: #007d8a !important;
    border-color: #004d5a !important;
    transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
    background: transparent !important;
    border: 2px solid #ffffff !important; /* White border for better contrast */
    color: #ffffff !important; /* White text for better visibility */
}

.cta-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
    border-color: #ffffff !important;
    transform: translateY(-2px);
}

/* Main Content Area */
.content-overlap {
    margin-top: -2rem; /* Pull content up to overlap with hero */
    position: relative;
    z-index: 1;
}

/* Filter Section */
.filter-section {
    background: var(--white);
    padding: 2rem 0;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 3rem;
    border-radius: 12px 12px 0 0; /* Rounded top corners */
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1); /* Subtle shadow above */
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.filter-label {
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    background: var(--white);
    border: 1px solid #e0e0e0;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.filter-btn i {
    font-size: 0.8rem;
}

/* Search Section */
.search-section {
    display: flex;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    border: 1px solid #e0e0e0;
    border-radius: 25px;
    font-size: 0.9rem;
    width: 250px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(1, 158, 189, 0.1);
}

.search-box i {
    position: absolute;
    right: 1rem;
    color: #999;
    font-size: 0.9rem;
}

/* Results Info */
.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid #f0f0f0;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-count {
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Additional Filters */
.additional-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-option {
    background: var(--light-gray);
    border: 1px solid #e0e0e0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-option:hover {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.filter-option.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sort-label {
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 0.9rem;
}

.sort-label:hover {
    color: var(--dark-blue);
}

.sort-label i {
    font-size: 0.8rem;
}

/* White Papers Grid */
.white-papers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.white-paper-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.white-paper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-blue);
}

.paper-image {
    width: 100%;
    height: 520px;
    overflow: hidden;
    position: relative;
}

.paper-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.white-paper-card:hover .paper-image img {
    transform: scale(1.05);
}

.paper-content {
    padding: 1.5rem;
}

.paper-label {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    margin-bottom: 1rem;
}

.paper-content h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.4;
    min-height: 3.5rem;
}

.read-more-btn {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.read-more-btn:hover {
    color: var(--dark-blue);
    border-bottom-color: var(--dark-blue);
}

/* Call to Action Section */
.cta-section {
    background: var(--light-gray);
    padding: 3rem 0;
    margin: 3rem 0;
    border-radius: 12px;
    text-align: center;
}

.cta-content h2 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--dark-gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-arrow {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.cta-form-info {
    margin-top: 1rem;
}

.cta-form-info span {
    font-weight: 600;
    color: var(--dark-gray);
    display: block;
    margin-bottom: 0.5rem;
}

.cta-form-info p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* Bottom Call to Action */
.bottom-cta {
    background: var(--teal);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.cta-banner h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-banner p {
    color: var(--white);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: var(--primary-blue);
    color: var(--white);
    border: 2px solid var(--primary-blue);
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.cta-button:hover {
    background: var(--white);
    color: var(--primary-blue);
}

.cta-subtitle {
    color: var(--white);
    font-size: 0.9rem;
    margin: 0;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1.5rem;
    top: 1rem;
}

.close:hover,
.close:focus {
    color: var(--dark-gray);
}

.modal h2 {
    color: var(--dark-gray);
    margin-bottom: 2rem;
    text-align: center;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(1, 158, 189, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: var(--dark-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .knowledge-hero {
        padding: 5rem 0 3rem 0; /* Adjusted for mobile */
        padding-top: 8rem; /* Adjusted top padding for mobile */
        min-height: 400px; /* Reduced minimum height for mobile */
    }
    
    .detail-hero {
        padding: 4rem 0 2rem 0; /* Adjusted for mobile */
        padding-top: 8rem; /* Adjusted top padding for mobile */
        min-height: 300px; /* Increased from 250px to 300px for mobile */
    }
    
    .detail-hero h1 {
        font-size: 2rem; /* Smaller font size for mobile */
        margin-bottom: 0.8rem;
    }
    
    .detail-hero p {
        font-size: 1.1rem; /* Smaller font size for mobile */
    }
    
    .white-paper-header {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .paper-cover img {
        max-width: 250px;
    }
    
    .paper-info h1 {
        font-size: 1.8rem;
    }
    
    .paper-meta {
        justify-content: center;
    }
    
    .paper-actions {
        justify-content: center;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        justify-content: center;
    }
    
    .search-section {
        justify-content: center;
    }
    
    .search-box input {
        width: 100%;
        min-width: 250px;
    }
    
    .results-info {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        align-items: stretch;
    }
    
    .additional-filters {
        justify-content: center;
        order: -1; /* Move additional filters above results count on mobile */
    }
    
    .filter-option {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .white-papers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .knowledge-hero h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem; /* Adjusted for mobile */
    }
    
    .knowledge-hero h2 {
        font-size: 1.3rem;
        margin-bottom: 1.5rem; /* Adjusted for mobile */
    }
    
    .hero-main-subtitle {
        font-size: 1.3rem !important;
        margin-bottom: 1.5rem;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .filter-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .filter-btn {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .knowledge-hero h1 {
        font-size: 2rem;
    }
    
    .knowledge-hero h2 {
        font-size: 1.3rem;
    }
    
    .knowledge-hero p {
        font-size: 1.3rem;
    }
    
    /* Keep desktop colors/styles for CTA on mobile; only adjust spacing */
    .paper-cta { padding: 2rem 1rem; background: #004d5a; color: #ffffff; }
    .paper-cta h2 { color: #ffffff; }
    .paper-cta p { color: #ffffff; }
    .cta-buttons .btn-primary { background: #006d7a !important; border: 2px solid #003d4a !important; color: #ffffff !important; }
    .cta-buttons .btn-secondary { background: transparent !important; border: 2px solid #ffffff !important; color: #ffffff !important; }
    
    .cta-buttons .btn {
        min-width: 250px;
        padding: 0.8rem 1.5rem;
    }
    
    .paper-info h1 {
        font-size: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Filter Animation */
.white-paper-card {
    transition: all 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

.white-paper-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.white-paper-card.visible {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}

/* Two-column layout for Key Topics and Who Should Read This */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.two-column-layout .column {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
}

.two-column-layout .column h2 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
}

.two-column-layout .column p {
    margin-bottom: 1rem;
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Responsive design for two-column layout */
@media (max-width: 768px) {
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .two-column-layout .column {
        padding: 1.5rem;
    }
}

/* Executive Summary Preview in Header */
.executive-summary-preview {
    background: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.executive-summary-preview h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Ensure executive-summary-preview h3 elements use subtitle styling */
.executive-summary-preview h3.subtitle {
    font-size: 1.3rem !important;
}

.executive-summary-preview p {
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
    font-size: 0.95rem;
}

/* Responsive adjustments for hero banners */
@media (max-width: 768px) {
    .knowledge-hero {
        padding-top: 18rem; /* Even more top padding on mobile */
        padding: 5rem 1rem 5rem 1rem; /* Adjusted padding for mobile */
    }
    
    .detail-hero {
        padding-top: 18rem; /* Even more top padding on mobile */
        min-height: 600px; /* Taller on mobile */
        padding: 8rem 1rem 1rem 1rem; /* Adjusted padding for mobile */
    }
    
    .knowledge-hero h1,
    .detail-hero h1 {
        font-size: 1.8rem; /* Slightly smaller font on mobile */
        margin-bottom: 1rem;
    }
    
    .knowledge-hero h2,
    .detail-hero h2 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .hero-main-subtitle {
        font-size: 1.3rem !important;
        margin-bottom: 1rem;
    }
    
    .knowledge-hero p,
    .detail-hero p {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }
}