/* --- CSS VARIABLES & GLOBAL STYLES --- */
        :root {
            --bg-color: #f4f4f5;
            --card-bg-color: #ffffff;
            --header-text-color: #1a1a1a;
            --body-text-color: #333333;
            --cta-color: #d90429;
            --cta-hover-color: #ef233c;
            --font-header: 'Helvetica Rounded', 'Arial Rounded MT Bold', 'Nunito', sans-serif;
            --font-body: 'Helvetica', 'Arial', sans-serif;
            --scroll-behavior: smooth;
        }

        html {
            scroll-behavior: var(--scroll-behavior);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--bg-color);
            font-family: var(--font-body);
            color: var(--body-text-color);
            font-size: 16px;
            line-height: 1.6;
        }

        * {
            box-sizing: border-box;
        }

        section {
            padding: 80px 5%;
            margin: 0 auto;
            max-width: 1200px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-header);
            color: var(--header-text-color);
            margin-top: 0;
            line-height: 1.2;
            font-weight: 800;
        }
        
        h1 { font-size: 3.5rem; }
        h2 { font-size: 2.5rem; }
        h3 { font-size: 1.75rem; }
        p { margin-bottom: 1rem; }
        
        a {
            color: var(--cta-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 1.5rem 0;
        }

        /* --- UTILITY & ANIMATION --- */
        .reveal-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }

        .reveal-on-scroll.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        .stagger-container .reveal-on-scroll {
            transition-delay: var(--delay, 0s);
        }

        /* --- HEADER --- */
        .vault-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 20px 5%;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: transparent;
            transition: background-color 0.3s ease, box-shadow 0.3s ease;
        }

        .vault-header.scrolled {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .logo-brand {
            font-family: var(--font-header);
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--header-text-color);
        }
        
        .main-navigation-menu ul {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            gap: 25px;
        }

        .main-navigation-menu a {
            color: var(--header-text-color);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding-bottom: 5px;
        }
        
        .main-navigation-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--cta-color);
            transition: width 0.3s ease;
        }

        .main-navigation-menu a:hover::after {
            width: 100%;
        }

        /* --- HERO SECTION --- */
        .hero-gateway {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-color: var(--bg-color);
            padding: 0 5%;
        }
        
        .hero-gateway-content {
            max-width: 800px;
        }

        .hero-gateway-content h1 {
            color: var(--header-text-color);
            margin-bottom: 1rem;
        }

        .hero-subheading {
            font-size: 1.25rem;
            max-width: 600px;
            margin: 0 auto 2rem auto;
            color: var(--body-text-color);
        }

        .primary-action-button {
            display: inline-block;
            background-color: var(--cta-color);
            color: #fff;
            padding: 18px 40px;
            font-family: var(--font-header);
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 8px 20px rgba(217, 4, 41, 0.3);
            transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
        }

        .primary-action-button:hover {
            background-color: var(--cta-hover-color);
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(239, 35, 60, 0.4);
            color: #fff;
        }

        /* --- ARTICLE SECTION --- */
        .article-deep-dive {
            padding: 80px 5%;
            background-color: var(--card-bg-color);
            border-radius: 20px;
            margin: 0 5%;
            max-width: none;
        }

        .article-deep-dive .section-intro-text {
            font-family: var(--font-header);
            color: var(--header-text-color);
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 2rem;
        }

        .article-content h2 {
            margin-top: 2.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--bg-color);
            display: inline-block;
        }

        .article-content p {
            margin-bottom: 1.5rem;
            padding: 0 1rem;
        }

        .article-content ul, .article-content ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }

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

        .article-content strong, .article-content b {
            font-weight: 700;
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
            border-radius: 8px;
            overflow: hidden;
        }

        .article-content th, .article-content td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid var(--bg-color);
        }

        .article-content th {
            background-color: #fafafa;
            font-weight: 700;
        }

        /* --- GET STARTED SECTION --- */
        .process-steps-section {
            text-align: center;
        }
        
        .process-steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .process-step-card {
            background-color: var(--card-bg-color);
            padding: 40px;
            border-radius: 20px;
            text-align: left;
            position: relative;
        }

        .step-number {
            font-family: var(--font-header);
            font-size: 4rem;
            font-weight: 900;
            color: rgba(0, 0, 0, 0.07);
            position: absolute;
            top: 20px;
            left: 20px;
            line-height: 1;
        }

        .process-step-card h3 {
            margin-top: 40px;
        }

        /* --- PRODUCT COMPOSITION --- */
        .composition-details {
            background-color: var(--header-text-color);
            color: var(--bg-color);
            border-radius: 20px;
            padding: 80px;
        }

        .composition-details h2 {
            color: var(--card-bg-color);
            text-align: center;
            margin-bottom: 50px;
        }

        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px 60px;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }
        
        .feature-icon-wrapper {
            background-color: var(--cta-color);
            border-radius: 12px;
            min-width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            transform: rotate(45deg);
        }

        .feature-icon-wrapper svg {
            width: 24px;
            height: 24px;
            fill: white;
            transform: rotate(-45deg);
        }

        .feature-item h3 {
            color: var(--card-bg-color);
            margin-bottom: 0.5rem;
        }

        .feature-item p {
            color: #a0a0a0;
            margin: 0;
        }
        
        /* --- BENEFITS SECTION --- */
        .benefits-grid-section h2 {
            text-align: center;
            margin-bottom: 50px;
        }        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .benefit-card {
            background-color: var(--card-bg-color);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
        }

        .benefit-icon {
            width: 48px;
            height: 48px;
            stroke: var(--cta-color);
            margin-bottom: 20px;
        }

        /* --- TESTIMONIALS SECTION --- */
        .testimonials-zone {
            padding: 80px 0;
            text-align: center;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 50px;
            padding: 0 5%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .testimonial-card {
            background-color: var(--card-bg-color);
            padding: 30px;
            border-radius: 15px;
            text-align: left;
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .testimonial-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }

        .testimonial-author-name {
            font-family: var(--font-header);
            font-weight: 700;
            margin: 0;
        }

        /* --- FAQ SECTION --- */
        .faq-block {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-block h2 {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .faq-item {
            background-color: var(--card-bg-color);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
        }

        .faq-icon {
            width: 20px;
            height: 20px;
            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 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px; /* Adjust if needed */
            padding: 0 20px 20px 20px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* --- FOOTER --- */
        .site-footer {
            background-color: var(--header-text-color);
            color: #a0a0a0;
            padding: 80px 5%;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand h4 {
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 1rem;
        }
        
        .footer-links-group h4 {
            color: #fff;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1.5rem;
        }
        
        .footer-links-group ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links-group li {
            margin-bottom: 10px;
        }
        
        .footer-links-group a {
            color: #a0a0a0;
        }
        
        .footer-links-group a:hover {
            color: #fff;
        }

        .footer-bottom {
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid #444;
            text-align: center;
            font-size: 0.9rem;
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            
            .composition-details { padding: 60px; }
            .feature-list { grid-template-columns: 1fr; }
            .footer-container { grid-template-columns: 1fr 1fr; }
        }

        @media screen and (max-width: 768px) {
            .main-navigation-menu { display: none; }
            
            h1 { font-size: 2.2rem; }
            section, .composition-details { padding: 60px 5%; }
            .hero-gateway { height: auto; padding: 150px 5% 80px; }
            
            .footer-container { grid-template-columns: 1fr; }
            .footer-brand { text-align: center; }
            .footer-links-group { text-align: center; }
        }


.faq-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            text-align: center;
            background-color: var(--bg-color);
        }
        .faq-hero h1 {
            margin-bottom: 1rem;
        }
        .faq-hero p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto;
            color: var(--body-text-color);
        }
        .faq-section {
            padding-top: 0;
        }
        .main-navigation-menu li.active-link a {
            color: var(--cta-color);
            font-weight: 700;
        }
        .main-navigation-menu li.active-link a::after {
            width: 100%;
            background-color: var(--cta-color);
        }