/* --- Base & Typography --- */
        :root {
            --bg-deep-bordeaux: #3D000F; /* Darker than #4C0013 for more contrast */
            --card-bordeaux: #5A0E1A;
            --header-gold: #D4AF37;
            --text-pink-gray: #D1C4D7;
            --accent-pink: #F44336;
            --font-accent: 'Brush Script MT', cursive;
            --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-deep-bordeaux);
            color: var(--text-pink-gray);
            font-family: var(--font-main);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--header-gold);
            font-family: var(--font-main);
            font-weight: 700;
            line-height: 1.2;
        }

        p {
            margin-bottom: 1.5rem;
        }
        
        p:last-child {
            margin-bottom: 0;
        }

        a {
            color: var(--header-gold);
            text-decoration: none;
            transition: opacity 0.3s ease;
        }

        a:hover {
            opacity: 0.8;
        }

        /* --- Layout & Container --- */
        .container-fluidnexus {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 0;
        }

        .grid-layout {
            display: grid;
            gap: 30px;
        }

        /* --- Header & Navigation --- */
        .header-fluidnexus {
            padding: 20px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(61, 0, 15, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--card-bordeaux);
        }

        .logo-fluidnexus {
            font-family: var(--font-accent);
            font-size: 2.5rem;
            color: var(--header-gold);
        }

        .nav-fluidnexus ul {
            list-style: none;
            display: flex;
            gap: 25px;
        }

        .nav-fluidnexus a {
            font-weight: 500;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        /* --- Hero Section --- */
        .hero-section {
            min-height: 90vh;
            display: flex;
            align-items: center;
            text-align: center;
            padding-bottom: 100px;
            position: relative;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212,175,55,0.1) 0%, rgba(212,175,55,0) 70%);
            z-index: 0;
        }

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

        .hero-content h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            letter-spacing: -1px;
        }

        .hero-content .subheadline {
            font-size: 1.5rem;
            max-width: 700px;
            margin: 0 auto 2.5rem auto;
            opacity: 0.9;
            font-family: var(--font-accent);
        }

        .cta-button {
            display: inline-block;
            background-color: var(--header-gold);
            color: var(--bg-deep-bordeaux);
            padding: 15px 40px;
            font-style: italic;
            font-weight: 700;
            font-size: 1.2rem;
            border: 2px solid var(--header-gold);
            transition: all 0.3s ease;
        }

        .cta-button:hover {
            background-color: transparent;
            color: var(--header-gold);
            opacity: 1;
        }
        
        /* --- Benefits Section --- */
        .benefits-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }

        .benefit-card {
            background-color: var(--card-bordeaux);
            padding: 40px 30px;
            border-top: 5px solid var(--header-gold);
        }

        .benefit-card .icon-wrapper {
            margin-bottom: 20px;
        }
        
        .benefit-card .icon-wrapper svg {
            width: 48px;
            height: 48px;
            stroke: var(--header-gold);
        }

        .benefit-card h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        /* --- Article Section --- */
        .article-container {
            background: var(--card-bordeaux);
            padding: 60px 5%;
        }

        .article-pre-title {
            text-align: center;
            font-family: var(--font-accent);
            font-size: 2.5rem;
            color: var(--header-gold);
            margin-bottom: 40px;
        }

        .article-content h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--header-gold);
        }

        .article-content p {
            padding: 0 10px;
        }

        .article-content ul, .article-content ol {
            margin-left: 30px;
            margin-bottom: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background-color: var(--bg-deep-bordeaux);
        }

        .article-content th, .article-content td {
            border: 1px solid var(--header-gold);
            padding: 12px 15px;
            text-align: left;
        }

        .article-content th {
            background-color: var(--card-bordeaux);
            color: var(--header-gold);
        }

        .article-content img {
            width: 100%;
            height: auto;
            margin: 2rem 0;
        }
        
        /* --- Product Composition Section --- */
        .composition-grid {
            grid-template-columns: 1fr 1fr;
            align-items: center;
        }
        .composition-list {
            list-style: none;
        }
        .composition-list li {
            padding: 15px;
            border-bottom: 1px solid var(--card-bordeaux);
            font-size: 1.2rem;
        }
        .composition-list li::before {
            content: '✓';
            color: var(--header-gold);
            font-weight: bold;
            display: inline-block;
            width: 1.5em;
            margin-left: -1.5em;
        }
        .composition-visual {
            background-color: var(--card-bordeaux);
            padding: 50px;
            text-align: center;
        }
        .composition-visual .visual-text {
            font-size: 3rem;
            font-weight: bold;
            color: var(--header-gold);
            border: 5px solid var(--header-gold);
            padding: 30px;
            display: inline-block;
        }

        /* --- FAQ Section --- */
        .faq-item {
            border-bottom: 1px solid var(--card-bordeaux);
            padding: 20px 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--header-gold);
        }
        .faq-question .icon {
            font-family: var(--font-main);
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--header-gold);
            transition: transform 0.3s ease;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-out, padding 0.5s ease-out;
            padding: 0 10px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-top: 20px;
        }
        .faq-item.active .icon {
            transform: rotate(45deg);
        }

        /* --- Social Proof Section --- */
        .social-proof-grid {
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        }

        .testimonial-card {
            background-color: var(--card-bordeaux);
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-card blockquote {
            border-left: 3px solid var(--header-gold);
            padding-left: 20px;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            font-weight: bold;
            color: var(--header-gold);
            align-self: flex-end;
        }
        
        .testimonial-author span {
            display: block;
            font-weight: normal;
            font-size: 0.9em;
            color: var(--text-pink-gray);
        }
        
        /* --- How It Works Section --- */
        .section-title {
            text-align: center;
            font-size: 3rem;
            margin-bottom: 50px;
        }
        
        .how-it-works-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .step-card {
            text-align: center;
            padding: 20px;
            position: relative;
        }
        .step-number {
            font-size: 5rem;
            font-weight: bold;
            color: var(--card-bordeaux);
        }
        .step-card h3 {
            font-size: 1.4rem;
            margin-top: -20px;
            margin-bottom: 10px;
            position: relative;
        }

        /* --- Footer --- */
        .footer-fluidnexus {
            background-color: #000;
            color: var(--text-pink-gray);
            padding: 60px 5%;
            border-top: 5px solid var(--header-gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-about .logo-fluidnexus {
            font-size: 2rem;
            margin-bottom: 15px;
            display: block;
        }
        .footer-links-group h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .footer-links-group ul {
            list-style: none;
        }
        .footer-links-group li {
            margin-bottom: 10px;
        }
        .footer-links-group a {
            color: var(--text-pink-gray);
        }
        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--card-bordeaux);
            font-size: 0.9rem;
            opacity: 0.7;
        }
        
        /* --- Animations --- */
        .hidden-animate {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }

        .show-animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* --- Responsive Design --- */
        @media (max-width: 992px) {
            .hero-content h1 {
                font-size: 3rem;
            }
            .nav-fluidnexus {
                display: none; /* Simple hiding for mobile for now */
            }
            .composition-grid, .how-it-works-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }
             .hero-content .subheadline {
                font-size: 1.2rem;
            }
            .how-it-works-grid {
                grid-template-columns: 1fr;
            }
            .container-fluidnexus {
                padding: 60px 0;
            }
        }


.article-meta {
            font-style: italic;
            opacity: 0.8;
            text-align: center;
            margin-bottom: 2rem;
            color: var(--text-pink-gray);
        }

.faq-hero-section {
            min-height: 40vh;
            display: flex;
            align-items: center;
            text-align: center;
            padding: 80px 0 60px 0;
        }
        .faq-hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
        }
        .faq-hero-content .subheadline {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto;
            opacity: 0.9;
            color: var(--text-pink-gray);
        }
        .faq-category-title {
            font-size: 2.5rem;
            color: var(--header-gold);
            margin-top: 40px;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--card-bordeaux);
        }
        @media (max-width: 768px) {
            .faq-hero-content h1 {
                font-size: 2.8rem;
            }
            .faq-hero-section {
                min-height: 30vh;
                padding: 60px 0 40px 0;
            }
        }