:root {
            --background-dark: #18191a;
            --text-primary: #e4e6eb;
            --text-secondary: #b0b3b8;
            --accent-primary: #00f5d4;
            --accent-secondary: #00bfa5;
            --border-color: rgba(0, 245, 212, 0.2);
            --shadow-color: rgba(0, 245, 212, 0.15);
            --font-heading: 'Georgia', 'Times New Roman', serif;
            --font-body: 'Helvetica Neue', 'Arial', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--background-dark);
            color: var(--text-primary);
            font-family: var(--font-body);
            line-height: 1.7;
            font-weight: 300;
            overflow-x: hidden;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        section {
            padding: 100px 0;
            overflow: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 2rem;
        }
        
        h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
        h2 { font-size: clamp(2rem, 4vw, 3rem); }
        h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
        p { margin-bottom: 1.5rem; color: var(--text-secondary); }
        a { color: var(--accent-primary); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--text-primary); }
        i, em { font-style: italic; color: var(--text-secondary); }

        /* --- Animations --- */
        [data-scroll] {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s cubic-bezier(0.645, 0.045, 0.355, 1), transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
        }

        [data-scroll].is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* --- Header --- */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            padding: 2rem 0;
            z-index: 100;
        }

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

        .site-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .main-nav, .secondary-nav {
            list-style: none;
            display: flex;
            gap: 2rem;
        }
        
        .main-nav a, .secondary-nav a {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            padding-bottom: 5px;
        }
        
        .main-nav a::after, .secondary-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background-color: var(--accent-primary);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
        }
        
        .main-nav a:hover::after, .secondary-nav a:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }
        
        @media (max-width: 992px) {
            .secondary-nav { display: none; }
        }
        
        @media (max-width: 768px) {
            .header-container { flex-direction: column; gap: 1rem; }
            .main-nav { gap: 1.5rem; }
        }

        /* --- Hero Section --- */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            text-align: center;
            padding-top: 150px;
            background: radial-gradient(ellipse at bottom, rgba(0, 245, 212, 0.05) 0%, transparent 60%);
        }

        .hero h1 {
            color: var(--text-primary);
            text-shadow: 0 0 20px rgba(0, 245, 212, 0.3);
        }

        .hero .subtitle {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto 2.5rem;
        }

        .cta-button {
            display: inline-block;
            background-color: var(--accent-primary);
            color: var(--background-dark);
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            padding: 1rem 3rem;
            border: 2px solid var(--accent-primary);
            border-radius: 50px;
            transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
        }

        .cta-button:hover {
            background-color: transparent;
            color: var(--accent-primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px var(--shadow-color);
        }

        /* --- Benefits Section --- */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        .benefit-card {
            border: 1px solid var(--border-color);
            padding: 2.5rem;
            transition: box-shadow 0.4s ease, transform 0.4s ease;
        }
        .benefit-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px var(--shadow-color);
        }
        .benefit-icon {
            width: 50px;
            height: 50px;
            margin-bottom: 1.5rem;
            fill: none;
            stroke: var(--accent-primary);
            stroke-width: 1.5px;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* --- Article Section --- */
        #article-section { text-align: center; }
        .section-intro-title {
            font-family: var(--font-body);
            font-weight: 300;
            font-size: 1.2rem;
            color: var(--accent-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 2rem;
        }
        .article-content {
            text-align: left;
            max-width: 800px;
            margin: 0 auto;
        }
        .article-content h2 {
            padding-top: 3rem;
            margin-top: 3rem;
            border-top: 1px solid var(--border-color);
        }
        .article-content p {
            margin-bottom: 1.5rem;
            color: var(--text-primary);
            font-size: 1.1rem;
        }
        .article-content ul, .article-content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content strong, .article-content b { color: var(--text-primary); font-weight: 600; }
        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px solid var(--border-color);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            border: 1px solid var(--border-color);
        }
        .article-content th, .article-content td {
            text-align: left;
            padding: 1rem;
            border: 1px solid var(--border-color);
        }
        .article-content th {
            background-color: rgba(0, 245, 212, 0.05);
            font-family: var(--font-heading);
            color: var(--accent-primary);
        }

        /* --- Reviews Section --- */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }
        .review-card {
            border: 1px solid var(--border-color);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.4s ease;
        }
        .review-card:hover {
            box-shadow: 0 0 25px var(--shadow-color);
        }
        .review-header {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }
        .review-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin-right: 1rem;
            border: 2px solid var(--accent-primary);
        }
        .review-author {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-style: italic;
        }
        .review-text {
            flex-grow: 1;
        }

        /* --- Product Composition --- */
        .product-composition-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .product-feature-list {
            list-style: none;
            padding: 0;
        }
        .product-feature-item {
            padding: 1.5rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .product-feature-item:last-child { border-bottom: none; }
        .feature-icon {
            width: 30px;
            height: 30px;
            stroke: var(--accent-primary);
            stroke-width: 1.5px;
            fill: none;
            flex-shrink: 0;
        }
        .feature-text h4 { margin-bottom: 0.5rem; font-size: 1.3rem; }

        @media screen and (max-width: 768px) {
            .product-composition-grid {
                grid-template-columns: 1fr;
            }
        }
        
        /* --- FAQ Section --- */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            cursor: pointer;
            background: none;
            border: none;
            text-align: left;
        }
        .faq-question h4 {
            font-size: 1.2rem;
            font-family: var(--font-body);
            font-weight: 500;
            color: var(--text-primary);
            margin: 0;
        }
        .faq-toggle {
            font-size: 2rem;
            color: var(--accent-primary);
            transition: transform 0.3s ease;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
        }
        .faq-answer p {
            padding: 0 0 1.5rem 0;
            margin: 0;
            color: var(--text-secondary);
        }
        .faq-item.active .faq-answer {
            max-height: 500px; /* Adjust as needed */
            transition: max-height 1s ease-in-out;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        /* --- How It Works --- */
        .how-it-works-container {
            position: relative;
            display: flex;
            justify-content: space-between;
            gap: 2rem;
        }
        .how-it-works-container::before {
            content: '';
            position: absolute;
            top: 50px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--border-color), var(--border-color) 10px, transparent 10px, transparent 20px);
            z-index: -1;
        }
        .step-card {
            flex: 1;
            text-align: center;
            max-width: 300px;
        }
        .step-number {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            border: 2px solid var(--accent-primary);
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0 auto 2rem;
            font-size: 2.5rem;
            font-family: var(--font-heading);
            color: var(--accent-primary);
            background-color: var(--background-dark);
            z-index: 1;
            box-shadow: 0 0 0 10px var(--background-dark);
        }
        
        @media screen and (max-width: 900px) {
            .how-it-works-container { flex-direction: column; align-items: center; }
            .how-it-works-container::before {
                top: 5%;
                bottom: 5%;
                left: 50%;
                width: 2px;
                height: auto;
                transform: translateX(-1px);
                background: repeating-linear-gradient(180deg, var(--border-color), var(--border-color) 10px, transparent 10px, transparent 20px);
            }
        }

        /* --- Footer --- */
        .site-footer {
            background-color: #111;
            padding: 5rem 0;
            border-top: 1px solid var(--accent-primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
        }
        .footer-column h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            color: var(--accent-primary);
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .footer-column ul {
            list-style: none;
        }
        .footer-column ul li {
            margin-bottom: 0.75rem;
        }
        .footer-column ul a {
            color: var(--text-secondary);
        }
        .footer-column ul a:hover {
            color: var(--text-primary);
            padding-left: 5px;
        }
        .footer-bottom {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }




:root {
    --background-dark: #18191a;
    --text-primary: #e4e6eb;
    --text-secondary: #b0b3b8;
    --accent-primary: #00f5d4;
    --accent-secondary: #00bfa5;
    --border-color: rgba(0, 245, 212, 0.2);
    --shadow-color: rgba(0, 245, 212, 0.15);
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Helvetica Neue', 'Arial', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

section {
    padding: 100px 0;
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 2rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
p { margin-bottom: 1.5rem; color: var(--text-secondary); }
a { color: var(--accent-primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--text-primary); }
i, em { font-style: italic; color: var(--text-secondary); }

/* --- Animations --- */
[data-scroll] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.645, 0.045, 0.355, 1), transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
}

[data-scroll].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Header --- */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 0;
    z-index: 100;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}
.main-nav,.secondary-nav {
    list-style: none;
    display: flex;
    gap: 2rem;
}
.main-nav a,.secondary-nav a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 5px;
}
.main-nav a::after,.secondary-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}
.main-nav a:hover::after,.secondary-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

@media (max-width: 992px) {
   .secondary-nav { display: none; }
}

@media (max-width: 768px) {
   .header-container { flex-direction: column; gap: 1rem; }
   .main-nav { gap: 1.5rem; }
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 150px;
    background: radial-gradient(ellipse at bottom, rgba(0, 245, 212, 0.05) 0%, transparent 60%);
}
.hero h1 {
    color: var(--text-primary);
    text-shadow: 0 0 20px rgba(0, 245, 212, 0.3);
}
.hero .subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}
.cta-button {
    display: inline-block;
    background-color: var(--accent-primary);
    color: var(--background-dark);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    padding: 1rem 3rem;
    border: 2px solid var(--accent-primary);
    border-radius: 50px;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.cta-button:hover {
    background-color: transparent;
    color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

/* --- FAQ Section --- */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--border-color);
}
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
}
.faq-question h4 {
    font-size: 1.2rem;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}
.faq-toggle {
    font-size: 2rem;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
}
.faq-answer p {
    padding: 0 0 1.5rem 0;
    margin: 0;
    color: var(--text-secondary);
}
.faq-item.active .faq-answer {
    max-height: 500px; /* Adjust as needed */
    transition: max-height 1s ease-in-out;
}
.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}
/* --- Footer --- */
.site-footer {
    background-color: #111;
    padding: 5rem 0;
    border-top: 1px solid var(--accent-primary);
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}
.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.footer-column ul {
    list-style: none;
}
.footer-column ul li {
    margin-bottom: 0.75rem;
}
.footer-column ul a {
    color: var(--text-secondary);
}
.footer-column ul a:hover {
    color: var(--text-primary);
    padding-left: 5px;
}
.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}




.hero {
    min-height: 60vh;
}

#blog-list {
    padding-top: 50px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.blog-card a {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card a:hover h3 {
    color: var(--accent-primary);
}

.blog-card-image-wrapper {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.blog-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.blog-card:hover .blog-card-image {
    transform: scale(1.05);
}

.blog-card-content {
    padding: 1.5rem 2rem 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-content h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-heading);
    line-height: 1.4;
    transition: color 0.3s ease;
}

.blog-card-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0;
    flex-grow: 1;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}