@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;700&family=Playfair+Display:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
    --bg-charcoal: #141210;
    --gold: #C9A25E;
    --text-ivory: #EDE6D8;
    --text-secondary: #8D8471;
    --font-cn: 'Noto Serif SC', serif;
    --font-en: 'Playfair Display', serif;
}

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

body {
    background-color: var(--bg-charcoal);
    color: var(--text-ivory);
    font-family: var(--font-cn);
    line-height: 1.8;
    position: relative;
    overflow-x: hidden;
}

/* The continuous 1px gold line */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background-color: var(--gold);
    z-index: -1;
    opacity: 0.4;
}

/* Base text */
h1, h2, h3, h4, .en-text {
    font-family: var(--font-en);
}
h1, h2, h3, h4 {
    font-weight: 300;
    color: var(--gold);
}
.cn-text {
    font-family: var(--font-cn);
}
.text-center {
    text-align: center;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Masking the line behind text */
.mask-line {
    background-color: var(--bg-charcoal);
    display: inline-block;
    padding: 0 30px;
}

/* Typography */
p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
}

/* Header */
header {
    padding: 60px 0;
    text-align: center;
}
.logo-container {
    margin-bottom: 40px;
    background-color: var(--bg-charcoal);
    display: inline-block;
    padding: 0 40px;
}
.logo {
    font-size: 2.2rem;
    color: var(--gold);
    text-decoration: none;
    letter-spacing: 2px;
}
nav {
    display: flex;
    justify-content: center;
    gap: 50px;
}
nav a {
    color: var(--text-ivory);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 3px;
    transition: color 0.4s;
    font-weight: 300;
}
nav a:hover {
    color: var(--gold);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 48px;
    border: 1px solid var(--gold);
    background: transparent;
    color: var(--gold);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 3px;
    transition: all 0.4s ease;
    cursor: pointer;
    font-family: var(--font-cn);
    font-weight: 300;
}
.btn:hover {
    background-color: var(--gold);
    color: var(--bg-charcoal);
}

/* Sections */
.section {
    padding: 160px 0;
}
h2 {
    font-size: clamp(32px, 5vw, 42px);
    margin-bottom: 100px;
}

/* Center Axis Symmetry Grids */
.grid-3 {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 120px;
}
.card {
    max-width: 500px;
    padding: 20px 0;
}
.icon {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 20px;
    font-family: var(--font-en);
    
}
.card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-ivory);
}
.card p {
    line-height: 2;
}

/* Pricing */
.price-card {
    border: 1px solid rgba(201, 162, 94, 0.3);
    padding: 60px 50px;
    width: 100%;
    max-width: 450px;
    transition: transform 0.6s, border-color 0.6s;
}
.price-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
}
.price {
    font-family: var(--font-en);
    font-size: 3.5rem;
    color: var(--gold);
    margin: 30px 0;
    
}
.price span {
    font-size: 1rem;
    font-family: var(--font-cn);
    font-style: normal;
    color: var(--text-secondary);
}
.price-card ul {
    list-style: none;
    margin-bottom: 50px;
}
.price-card ul li {
    padding: 16px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(201, 162, 94, 0.1);
    font-weight: 300;
}
.price-card ul li:last-child {
    border-bottom: none;
}

/* Footer */
footer {
    padding: 120px 0 80px;
    text-align: center;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 2px;
    transition: color 0.4s;
}
.footer-links a:hover {
    color: var(--gold);
}
.copyright {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: var(--font-en);
    letter-spacing: 1px;
}

/* Subpages */
.subpage-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px 40px;
    text-align: center;
}
.subpage-content h1 {
    font-size: 2.2rem;
    margin-bottom: 40px;
}
.subpage-content h2 {
    font-size: 1.5rem;
    margin-top: 60px;
    margin-bottom: 25px;
}
.subpage-content p {
    margin-bottom: 25px;
    line-height: 2;
}
.subpage-content ul {
    margin-bottom: 25px;
    color: var(--text-secondary);
    text-align: left;
    display: inline-block;
    font-weight: 300;
}
.subpage-content li {
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .section { padding: 100px 0; }
    nav { flex-direction: column; gap: 20px; }
    body::before { display: none; }
    .mask-line { padding: 0; background: transparent; }
    .price-card { padding: 40px 30px; }
}

/* Blog & Guides */
.blog-card { border: 1px solid rgba(201, 162, 94, 0.2); padding: 40px; text-align: left; background-color: var(--bg-charcoal); transition: transform 0.4s, border-color 0.4s; display: flex; flex-direction: column; height: 100%; max-width: 450px; }
.blog-card:hover { transform: translateY(-5px); border-color: var(--gold); }
.blog-meta { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 15px; letter-spacing: 1px; }
.blog-title { font-size: 1.4rem; color: var(--text-ivory); margin-bottom: 15px; line-height: 1.5; font-weight:300;}
.blog-excerpt { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 30px; flex-grow: 1; line-height: 1.8; }
.blog-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(201, 162, 94, 0.1); padding-top: 20px; }
.blog-date { font-size: 0.85rem; color: var(--text-secondary); }
.blog-cta { color: var(--gold); text-decoration: none; font-size: 0.9rem; letter-spacing: 1px; transition: color 0.3s; }
.blog-cta:hover { color: var(--text-ivory); }

.article-container { max-width: 800px; margin: 60px auto 120px; padding: 0 30px; }
.breadcrumb { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 40px; letter-spacing: 1px; text-align:left; }
.breadcrumb a { color: var(--gold); text-decoration: none; }
.article-header { text-align: center; margin-bottom: 60px; padding-bottom: 40px; border-bottom: 1px solid rgba(201, 162, 94, 0.2); }
.article-header h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.3; margin-bottom: 20px; color: var(--gold); font-weight:300;}
.article-meta { color: var(--text-secondary); font-size: 0.9rem; letter-spacing: 1px; }
.article-content { font-size: 1.1rem; line-height: 2; color: var(--text-ivory); text-align:left; }
.article-content h2 { font-size: 1.8rem; color: var(--gold); margin: 60px 0 30px; text-align: left; font-weight:300;}
.article-content h3 { font-size: 1.4rem; color: var(--text-ivory); margin: 40px 0 20px; text-align: left; font-weight:300;}
.article-content p { margin-bottom: 25px; color: var(--text-ivory); font-weight: 300; }
.article-content ul, .article-content ol { margin-bottom: 25px; padding-left: 20px; color: var(--text-ivory); font-weight: 300; }
.article-content li { margin-bottom: 10px; }
.article-content a { color: var(--gold); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--text-ivory); }

/* Floating Button */
.floating-btn {
    position: fixed; bottom: 40px; right: 40px; width: 50px; height: 50px;
    background-color: var(--bg-charcoal); border: 1px solid var(--gold);
    color: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    text-decoration: none; font-size: 0.9rem; opacity: 0; visibility: hidden;
    transition: all 0.4s ease; z-index: 1000; font-family: var(--font-en); letter-spacing:1px;
}
.floating-btn.show { opacity: 1; visibility: visible; }
.floating-btn:hover { background-color: var(--gold); color: var(--bg-charcoal); transform: translateY(-5px); }
@media (max-width: 768px) { .floating-btn { bottom: 20px; right: 20px; width: 45px; height: 45px; font-size: 0.8rem; } }

/* Next Article */
.next-article-section {
    margin-top: 80px; padding-top: 40px; border-top: 1px solid rgba(201,162,94,0.1);
    text-align: center;
}
.next-article-section p { font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 10px; }
.next-article-section a { color: var(--gold); font-size: 1.4rem; text-decoration: none; transition: opacity 0.3s; font-weight:300;}
.next-article-section a:hover { opacity: 0.8; }