:root {
    --rp-dark: #2D2D2D;
    --rp-graphite: #3A3A3A;
    --rp-cyan: #00BCD4;
    --rp-cyan-dark: #0097A7;
    --rp-cyan-light: #B2EBF2;
    --rp-white: #FFFFFF;
    --rp-off-white: #F8F9FA;
    --rp-gray-light: #E8E8E8;
    --rp-gray-mid: #9E9E9E;
    --rp-text: #333333;
    --rp-text-light: #666666;
    --rp-radius: 8px;
    --rp-shadow: 0 2px 12px rgba(0,0,0,0.08);
    --rp-shadow-hover: 0 4px 20px rgba(0,0,0,0.12);
    --rp-transition: all 0.3s ease;
}

body {
    color: var(--rp-text);
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --- Hero Section --- */
.rp-hero {
    background: linear-gradient(135deg, var(--rp-dark) 0%, var(--rp-graphite) 100%);
    color: var(--rp-white);
    padding: clamp(60px, 10vw, 120px) 20px;
    text-align: center;
}
.rp-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.15;
}
.rp-hero .rp-tagline {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--rp-cyan-light);
    margin-bottom: 32px;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.rp-btn {
    display: inline-block;
    background: var(--rp-cyan);
    color: var(--rp-white);
    padding: 14px 36px;
    border-radius: var(--rp-radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--rp-transition);
    border: none;
    cursor: pointer;
}
.rp-btn:hover {
    background: var(--rp-cyan-dark);
    transform: translateY(-2px);
    box-shadow: var(--rp-shadow-hover);
    color: var(--rp-white);
    text-decoration: none;
}
.rp-btn-outline {
    background: transparent;
    border: 2px solid var(--rp-cyan);
    color: var(--rp-cyan);
}
.rp-btn-outline:hover {
    background: var(--rp-cyan);
    color: var(--rp-white);
}

/* --- Section Defaults --- */
.rp-section {
    padding: clamp(40px, 7vw, 80px) 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.rp-section-alt {
    background: var(--rp-off-white);
}
.rp-section-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--rp-dark);
}
.rp-section-subtitle {
    text-align: center;
    color: var(--rp-text-light);
    max-width: 650px;
    margin: 0 auto 40px;
    font-size: 1.05rem;
}

/* --- USP Grid --- */
.rp-usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
    margin-top: 24px;
}
.rp-usp-card {
    background: var(--rp-white);
    border-radius: var(--rp-radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--rp-shadow);
    transition: var(--rp-transition);
}
.rp-usp-card:hover {
    box-shadow: var(--rp-shadow-hover);
    transform: translateY(-3px);
}
.rp-usp-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}
.rp-usp-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--rp-dark);
}
.rp-usp-card p {
    color: var(--rp-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Product Cards --- */
.rp-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 24px;
}
.rp-product-card {
    background: var(--rp-white);
    border-radius: var(--rp-radius);
    overflow: hidden;
    box-shadow: var(--rp-shadow);
    transition: var(--rp-transition);
}
.rp-product-card:hover {
    box-shadow: var(--rp-shadow-hover);
    transform: translateY(-3px);
}
.rp-product-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    background: var(--rp-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--rp-gray-mid);
    font-size: 3rem;
}
.rp-product-body {
    padding: 24px;
}
.rp-product-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.rp-product-body p {
    color: var(--rp-text-light);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 16px;
}
.rp-product-price {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--rp-cyan-dark);
    margin-bottom: 12px;
}

/* --- Pain Points / Scenarios --- */
.rp-scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.rp-scenario-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--rp-white);
    border-radius: var(--rp-radius);
    border-left: 4px solid var(--rp-cyan);
}
.rp-scenario-item h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}
.rp-scenario-item p {
    color: var(--rp-text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- Trust Badges --- */
.rp-trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    text-align: center;
}
.rp-trust-item {
    padding: 24px 16px;
}
.rp-trust-icon {
    font-size: 2rem;
    color: var(--rp-cyan);
    margin-bottom: 12px;
    display: block;
}
.rp-trust-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.rp-trust-item p {
    font-size: 0.85rem;
    color: var(--rp-text-light);
}

/* --- FAQ --- */
.rp-faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.rp-faq-item {
    border-bottom: 1px solid var(--rp-gray-light);
    padding: 20px 0;
}
.rp-faq-item summary {
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    color: var(--rp-dark);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.rp-faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--rp-cyan);
    transition: var(--rp-transition);
}
.rp-faq-item[open] summary::after {
    content: '\2212';
}
.rp-faq-item p {
    margin-top: 12px;
    color: var(--rp-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* --- Footer --- */
.rp-footer {
    background: var(--rp-dark);
    color: var(--rp-white);
    padding: 48px 20px 24px;
}
.rp-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}
.rp-footer h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--rp-cyan-light);
}
.rp-footer p, .rp-footer a {
    color: #CCCCCC;
    font-size: 0.9rem;
    line-height: 1.7;
}
.rp-footer a {
    text-decoration: none;
    transition: var(--rp-transition);
}
.rp-footer a:hover {
    color: var(--rp-cyan);
}
.rp-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.rp-footer-links li {
    margin-bottom: 8px;
}
.rp-footer-bottom {
    max-width: 1200px;
    margin: 32px auto 0;
    padding-top: 20px;
    border-top: 1px solid #444;
    text-align: center;
    color: #999;
    font-size: 0.8rem;
}

/* --- Breadcrumbs --- */
.rp-breadcrumb {
    font-size: 0.85rem;
    color: var(--rp-gray-mid);
    padding: 12px 0;
    max-width: 1200px;
    margin: 0 auto;
}
.rp-breadcrumb a {
    color: var(--rp-cyan-dark);
    text-decoration: none;
}
.rp-breadcrumb a:hover {
    text-decoration: underline;
}
.rp-breadcrumb span {
    margin: 0 6px;
}

/* --- Product Detail Page --- */
.rp-product-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}
.rp-product-detail h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 8px;
}
.rp-spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}
.rp-spec-table th,
.rp-spec-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--rp-gray-light);
    text-align: left;
    font-size: 0.95rem;
}
.rp-spec-table th {
    background: var(--rp-off-white);
    font-weight: 600;
    width: 35%;
    color: var(--rp-dark);
}
.rp-steps-list {
    counter-reset: step;
    list-style: none;
    padding: 0;
}
.rp-steps-list li {
    counter-increment: step;
    padding: 16px 0 16px 56px;
    position: relative;
    border-bottom: 1px solid var(--rp-gray-light);
}
.rp-steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--rp-cyan);
    color: var(--rp-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

/* --- Article Styles --- */
.rp-article {
    max-width: 780px;
    margin: 0 auto;
    padding: 40px 20px;
}
.rp-article h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    line-height: 1.2;
    margin-bottom: 16px;
}
.rp-article h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--rp-dark);
}
.rp-article h3 {
    font-size: 1.2rem;
    margin-top: 28px;
    margin-bottom: 12px;
}
.rp-article p {
    line-height: 1.8;
    margin-bottom: 16px;
}
.rp-article ul, .rp-article ol {
    margin-bottom: 16px;
    padding-left: 24px;
}
.rp-article li {
    margin-bottom: 8px;
    line-height: 1.7;
}
.rp-cta-box {
    background: linear-gradient(135deg, var(--rp-dark), var(--rp-graphite));
    color: var(--rp-white);
    padding: 32px;
    border-radius: var(--rp-radius);
    text-align: center;
    margin: 32px 0;
}
.rp-cta-box h3 {
    color: var(--rp-white);
    margin-bottom: 12px;
}
.rp-cta-box p {
    color: var(--rp-cyan-light);
    margin-bottom: 20px;
}

/* --- Page Header --- */
.rp-page-header {
    background: var(--rp-off-white);
    padding: 48px 20px;
    text-align: center;
}
.rp-page-header h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 8px;
}
.rp-page-header p {
    color: var(--rp-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .rp-hero {
        padding: 48px 16px;
    }
    .rp-section {
        padding: 32px 16px;
    }
    .rp-product-grid {
        grid-template-columns: 1fr;
    }
    .rp-footer-inner {
        grid-template-columns: 1fr;
    }
}